diff options
Diffstat (limited to 'arch/powerpc')
266 files changed, 14830 insertions, 2223 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 2ba14e7..ba3948c 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -56,6 +56,16 @@ config IRQ_PER_CPU bool default y +config NR_IRQS + int "Number of virtual interrupt numbers" + range 32 512 + default "512" + help + This defines the number of virtual interrupt numbers the kernel + can manage. Virtual interrupt numbers are what you see in + /proc/interrupts. If you configure your system to have too few, + drivers will fail to load or worse - handle with care. + config STACKTRACE_SUPPORT bool default y @@ -199,24 +209,14 @@ config DEFAULT_UIMAGE config REDBOOT bool -config HIBERNATE_32 - bool - depends on (PPC_PMAC && !SMP) || BROKEN - default y - -config HIBERNATE_64 - bool - depends on BROKEN || (PPC_PMAC64 && EXPERIMENTAL) - default y - config ARCH_HIBERNATION_POSSIBLE bool - depends on (PPC64 && HIBERNATE_64) || (PPC32 && HIBERNATE_32) default y config ARCH_SUSPEND_POSSIBLE def_bool y - depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx + depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx || \ + PPC_85xx || PPC_86xx config PPC_DCR_NATIVE bool @@ -320,6 +320,10 @@ config HOTPLUG_CPU Say N if you are unsure. +config ARCH_CPU_PROBE_RELEASE + def_bool y + depends on HOTPLUG_CPU + config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y @@ -378,6 +382,19 @@ config IRQ_ALL_CPUS CPU. Generally saying Y is safe, although some problems have been reported with SMP Power Macintoshes with this option enabled. +config SPARSE_IRQ + bool "Support sparse irq numbering" + default y + help + This enables support for sparse irqs. This is useful for distro + kernels that want to define a high CONFIG_NR_CPUS value but still + want to have low kernel memory footprint on smaller machines. + + ( Sparse IRQs can also be beneficial on NUMA boxes, as they spread + out the irq_desc[] array in a more NUMA-friendly way. ) + + If you don't know what to do here, say Y. + config NUMA bool "NUMA support" depends on PPC64 @@ -652,6 +669,14 @@ config FSL_PCI select PPC_INDIRECT_PCI select PCI_QUIRKS +config FSL_PMC + bool + default y + depends on SUSPEND && (PPC_85xx || PPC_86xx) + help + Freescale MPC85xx/MPC86xx power management controller support + (suspend/resume). For MPC83xx see platforms/83xx/suspend.c + config 4xx_SOC bool @@ -679,7 +704,7 @@ config PPC_PCI_CHOICE config PCI bool "PCI support" if PPC_PCI_CHOICE default y if !40x && !CPM2 && !8xx && !PPC_83xx \ - && !PPC_85xx && !PPC_86xx + && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON default PCI_PERMEDIA if !4xx && !CPM2 && !8xx default PCI_QSPAN if !4xx && !CPM2 && 8xx select ARCH_SUPPORTS_MSI diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index bf3382f..5cdd7ed 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -254,6 +254,14 @@ config PPC_EARLY_DEBUG_CPM using a CPM-based serial port. This assumes that the bootwrapper has run, and set up the CPM in a particular way. +config PPC_EARLY_DEBUG_USBGECKO + bool "Early debugging through the USB Gecko adapter" + depends on GAMECUBE_COMMON + select USBGECKO_UDBG + help + Select this to enable early debugging for Nintendo GameCube/Wii + consoles via an external USB Gecko adapter. + endchoice config PPC_EARLY_DEBUG_44x_PHYSLOW diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 7bfc8ad..bb2465b 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -66,7 +66,7 @@ src-wlib := string.S crt0.S crtsavres.S stdio.c main.c \ gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ 4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \ cpm-serial.c stdlib.c mpc52xx-psc.c planetcore.c uartlite.c \ - fsl-soc.c mpc8xx.c pq2.c + fsl-soc.c mpc8xx.c pq2.c ugecon.c src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \ cuboot-ebony.c cuboot-hotfoot.c treeboot-ebony.c prpmc2800.c \ ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \ @@ -76,7 +76,8 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \ cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \ virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \ - cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c + cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \ + gamecube-head.S gamecube.c wii-head.S wii.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -254,6 +255,8 @@ image-$(CONFIG_KSI8560) += cuImage.ksi8560 image-$(CONFIG_STORCENTER) += cuImage.storcenter image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2 image-$(CONFIG_PPC_C2K) += cuImage.c2k +image-$(CONFIG_GAMECUBE) += dtbImage.gamecube +image-$(CONFIG_WII) += dtbImage.wii # Board port in arch/powerpc/platform/amigaone/Kconfig image-$(CONFIG_AMIGAONE) += cuImage.amigaone diff --git a/arch/powerpc/boot/dts/canyonlands.dts b/arch/powerpc/boot/dts/canyonlands.dts index c920170..cd56bb5 100644 --- a/arch/powerpc/boot/dts/canyonlands.dts +++ b/arch/powerpc/boot/dts/canyonlands.dts @@ -352,6 +352,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; @@ -381,6 +382,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; diff --git a/arch/powerpc/boot/dts/eiger.dts b/arch/powerpc/boot/dts/eiger.dts index c4a934f..48bcf71 100644 --- a/arch/powerpc/boot/dts/eiger.dts +++ b/arch/powerpc/boot/dts/eiger.dts @@ -316,6 +316,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; @@ -345,6 +346,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; @@ -375,6 +377,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; /* emac2&3 only */ phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII1>; @@ -403,6 +407,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; /* emac2&3 only */ phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII1>; diff --git a/arch/powerpc/boot/dts/gamecube.dts b/arch/powerpc/boot/dts/gamecube.dts new file mode 100644 index 0000000..ef3be0e --- /dev/null +++ b/arch/powerpc/boot/dts/gamecube.dts @@ -0,0 +1,114 @@ +/* + * arch/powerpc/boot/dts/gamecube.dts + * + * Nintendo GameCube platform device tree source + * Copyright (C) 2007-2009 The GameCube Linux Team + * Copyright (C) 2007,2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +/dts-v1/; + +/ { + model = "nintendo,gamecube"; + compatible = "nintendo,gamecube"; + #address-cells = <1>; + #size-cells = <1>; + + chosen { + bootargs = "root=/dev/gcnsda2 rootwait udbg-immortal"; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x01800000>; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,gekko@0 { + device_type = "cpu"; + reg = <0>; + clock-frequency = <486000000>; /* 486MHz */ + bus-frequency = <162000000>; /* 162MHz core-to-bus 3x */ + timebase-frequency = <40500000>; /* 162MHz / 4 */ + i-cache-line-size = <32>; + d-cache-line-size = <32>; + i-cache-size = <32768>; + d-cache-size = <32768>; + }; + }; + + /* devices contained int the flipper chipset */ + flipper { + #address-cells = <1>; + #size-cells = <1>; + compatible = "nintendo,flipper"; + ranges = <0x0c000000 0x0c000000 0x00010000>; + interrupt-parent = <&PIC>; + + video@0c002000 { + compatible = "nintendo,flipper-vi"; + reg = <0x0c002000 0x100>; + interrupts = <8>; + }; + + processor-interface@0c003000 { + compatible = "nintendo,flipper-pi"; + reg = <0x0c003000 0x100>; + + PIC: pic { + #interrupt-cells = <1>; + compatible = "nintendo,flipper-pic"; + interrupt-controller; + }; + }; + + dsp@0c005000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "nintendo,flipper-dsp"; + reg = <0x0c005000 0x200>; + interrupts = <6>; + + memory@0 { + compatible = "nintendo,flipper-aram"; + reg = <0 0x1000000>; /* 16MB */ + }; + }; + + disk@0c006000 { + compatible = "nintendo,flipper-di"; + reg = <0x0c006000 0x40>; + interrupts = <2>; + }; + + audio@0c006c00 { + compatible = "nintendo,flipper-ai"; + reg = <0x0c006c00 0x20>; + interrupts = <6>; + }; + + gamepad-controller@0c006400 { + compatible = "nintendo,flipper-si"; + reg = <0x0c006400 0x100>; + interrupts = <3>; + }; + + /* External Interface bus */ + exi@0c006800 { + compatible = "nintendo,flipper-exi"; + reg = <0x0c006800 0x40>; + virtual-reg = <0x0c006800>; + interrupts = <4>; + }; + }; +}; + diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts index 910944e..c86114e 100644 --- a/arch/powerpc/boot/dts/gef_ppc9a.dts +++ b/arch/powerpc/boot/dts/gef_ppc9a.dts @@ -118,6 +118,12 @@ }; }; + nvram@3,0 { + device_type = "nvram"; + compatible = "simtek,stk14ca8"; + reg = <0x3 0x0 0x20000>; + }; + fpga@4,0 { compatible = "gef,ppc9a-fpga-regs"; reg = <0x4 0x0 0x40>; diff --git a/arch/powerpc/boot/dts/gef_sbc310.dts b/arch/powerpc/boot/dts/gef_sbc310.dts index 2107d3c..820c2b3 100644 --- a/arch/powerpc/boot/dts/gef_sbc310.dts +++ b/arch/powerpc/boot/dts/gef_sbc310.dts @@ -115,6 +115,12 @@ }; }; + nvram@3,0 { + device_type = "nvram"; + compatible = "simtek,stk14ca8"; + reg = <0x3 0x0 0x20000>; + }; + fpga@4,0 { compatible = "gef,fpga-regs"; reg = <0x4 0x0 0x40>; diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts index 35a6318..30911ad 100644 --- a/arch/powerpc/boot/dts/gef_sbc610.dts +++ b/arch/powerpc/boot/dts/gef_sbc610.dts @@ -84,6 +84,12 @@ 6 0 0xfd000000 0x00800000 // IO FPGA (8-bit) 7 0 0xfd800000 0x00800000>; // IO FPGA (32-bit) + nvram@3,0 { + device_type = "nvram"; + compatible = "simtek,stk14ca8"; + reg = <0x3 0x0 0x20000>; + }; + fpga@4,0 { compatible = "gef,fpga-regs"; reg = <0x4 0x0 0x40>; diff --git a/arch/powerpc/boot/dts/glacier.dts b/arch/powerpc/boot/dts/glacier.dts index f3787a2..f6f6189 100644 --- a/arch/powerpc/boot/dts/glacier.dts +++ b/arch/powerpc/boot/dts/glacier.dts @@ -292,6 +292,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; @@ -321,6 +322,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; @@ -351,6 +353,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; /* emac2&3 only */ phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII1>; @@ -379,6 +383,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; /* emac2&3 only */ phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII1>; diff --git a/arch/powerpc/boot/dts/haleakala.dts b/arch/powerpc/boot/dts/haleakala.dts index 5b2a494..2b25669 100644 --- a/arch/powerpc/boot/dts/haleakala.dts +++ b/arch/powerpc/boot/dts/haleakala.dts @@ -226,6 +226,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; diff --git a/arch/powerpc/boot/dts/katmai.dts b/arch/powerpc/boot/dts/katmai.dts index 077819b..51eb6ed 100644 --- a/arch/powerpc/boot/dts/katmai.dts +++ b/arch/powerpc/boot/dts/katmai.dts @@ -16,7 +16,7 @@ / { #address-cells = <2>; - #size-cells = <1>; + #size-cells = <2>; model = "amcc,katmai"; compatible = "amcc,katmai"; dcr-parent = <&{/cpus/cpu@0}>; @@ -49,7 +49,7 @@ memory { device_type = "memory"; - reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by zImage */ + reg = <0x0 0x00000000 0x0 0x00000000>; /* Filled in by U-Boot */ }; UIC0: interrupt-controller0 { @@ -112,7 +112,15 @@ compatible = "ibm,plb-440spe", "ibm,plb-440gp", "ibm,plb4"; #address-cells = <2>; #size-cells = <1>; - ranges; + /* addr-child addr-parent size */ + ranges = <0x4 0xe0000000 0x4 0xe0000000 0x20000000 + 0xc 0x00000000 0xc 0x00000000 0x20000000 + 0xd 0x00000000 0xd 0x00000000 0x80000000 + 0xd 0x80000000 0xd 0x80000000 0x80000000 + 0xe 0x00000000 0xe 0x00000000 0x80000000 + 0xe 0x80000000 0xe 0x80000000 0x80000000 + 0xf 0x00000000 0xf 0x00000000 0x80000000 + 0xf 0x80000000 0xf 0x80000000 0x80000000>; clock-frequency = <0>; /* Filled in by zImage */ SDRAM0: sdram { @@ -245,8 +253,8 @@ ranges = <0x02000000 0x00000000 0x80000000 0x0000000d 0x80000000 0x00000000 0x80000000 0x01000000 0x00000000 0x00000000 0x0000000c 0x08000000 0x00000000 0x00010000>; - /* Inbound 2GB range starting at 0 */ - dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; + /* Inbound 4GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; /* This drives busses 0 to 0xf */ bus-range = <0x0 0xf>; @@ -289,10 +297,10 @@ ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000 0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>; - /* Inbound 2GB range starting at 0 */ - dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; + /* Inbound 4GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; - /* This drives busses 10 to 0x1f */ + /* This drives busses 0x10 to 0x1f */ bus-range = <0x10 0x1f>; /* Legacy interrupts (note the weird polarity, the bridge seems @@ -330,10 +338,10 @@ ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000 0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>; - /* Inbound 2GB range starting at 0 */ - dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; + /* Inbound 4GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; - /* This drives busses 10 to 0x1f */ + /* This drives busses 0x20 to 0x2f */ bus-range = <0x20 0x2f>; /* Legacy interrupts (note the weird polarity, the bridge seems @@ -371,10 +379,10 @@ ranges = <0x02000000 0x00000000 0x80000000 0x0000000f 0x00000000 0x00000000 0x80000000 0x01000000 0x00000000 0x00000000 0x0000000f 0x80020000 0x00000000 0x00010000>; - /* Inbound 2GB range starting at 0 */ - dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; + /* Inbound 4GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; - /* This drives busses 10 to 0x1f */ + /* This drives busses 0x30 to 0x3f */ bus-range = <0x30 0x3f>; /* Legacy interrupts (note the weird polarity, the bridge seems diff --git a/arch/powerpc/boot/dts/kilauea.dts b/arch/powerpc/boot/dts/kilauea.dts index c465614..083e68e 100644 --- a/arch/powerpc/boot/dts/kilauea.dts +++ b/arch/powerpc/boot/dts/kilauea.dts @@ -272,6 +272,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; @@ -300,6 +302,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; diff --git a/arch/powerpc/boot/dts/kmeter1.dts b/arch/powerpc/boot/dts/kmeter1.dts index 167044f..65b8b4f 100644 --- a/arch/powerpc/boot/dts/kmeter1.dts +++ b/arch/powerpc/boot/dts/kmeter1.dts @@ -59,6 +59,13 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; /* Filled in by U-Boot */ + pmc: power@b00 { + compatible = "fsl,mpc8360-pmc", "fsl,mpc8349-pmc"; + reg = <0xb00 0x100 0xa00 0x100>; + interrupts = <80 0x8>; + interrupt-parent = <&ipic>; + }; + i2c@3000 { #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/makalu.dts b/arch/powerpc/boot/dts/makalu.dts index ffc246e..63d48b6 100644 --- a/arch/powerpc/boot/dts/makalu.dts +++ b/arch/powerpc/boot/dts/makalu.dts @@ -227,6 +227,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x0000003f>; /* Start at 6 */ rgmii-device = <&RGMII0>; @@ -255,6 +257,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts index 436c9c6..05ad8c9 100644 --- a/arch/powerpc/boot/dts/mpc832x_mds.dts +++ b/arch/powerpc/boot/dts/mpc832x_mds.dts @@ -79,6 +79,13 @@ reg = <0x200 0x100>; }; + pmc: power@b00 { + compatible = "fsl,mpc8323-pmc", "fsl,mpc8349-pmc"; + reg = <0xb00 0x100 0xa00 0x100>; + interrupts = <80 0x8>; + interrupt-parent = <&ipic>; + }; + i2c@3000 { #address-cells = <1>; #size-cells = <0>; @@ -163,6 +170,7 @@ fsl,channel-fifo-len = <24>; fsl,exec-units-mask = <0x4c>; fsl,descriptor-types-mask = <0x0122003f>; + sleep = <&pmc 0x03000000>; }; ipic: pic@700 { @@ -428,5 +436,6 @@ 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; + sleep = <&pmc 0x00010000>; }; }; diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index 9a0952f..f4fadb23a 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -62,6 +62,13 @@ reg = <0x200 0x100>; }; + pmc: power@b00 { + compatible = "fsl,mpc8323-pmc", "fsl,mpc8349-pmc"; + reg = <0xb00 0x100 0xa00 0x100>; + interrupts = <80 0x8>; + interrupt-parent = <&ipic>; + }; + i2c@3000 { #address-cells = <1>; #size-cells = <0>; @@ -141,6 +148,7 @@ fsl,channel-fifo-len = <24>; fsl,exec-units-mask = <0x4c>; fsl,descriptor-types-mask = <0x0122003f>; + sleep = <&pmc 0x03000000>; }; ipic:pic@700 { @@ -360,5 +368,6 @@ 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; + sleep = <&pmc 0x00010000>; }; }; diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index 39ff4c8..45cfa1c5 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -99,6 +99,13 @@ reg = <0x200 0x100>; }; + pmc: power@b00 { + compatible = "fsl,mpc8360-pmc", "fsl,mpc8349-pmc"; + reg = <0xb00 0x100 0xa00 0x100>; + interrupts = <80 0x8>; + interrupt-parent = <&ipic>; + }; + i2c@3000 { #address-cells = <1>; #size-cells = <0>; @@ -194,6 +201,7 @@ fsl,channel-fifo-len = <24>; fsl,exec-units-mask = <0x7e>; fsl,descriptor-types-mask = <0x01010ebf>; + sleep = <&pmc 0x03000000>; }; ipic: pic@700 { @@ -470,5 +478,6 @@ 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; + sleep = <&pmc 0x00010000>; }; }; diff --git a/arch/powerpc/boot/dts/mpc836x_rdk.dts b/arch/powerpc/boot/dts/mpc836x_rdk.dts index 6315d6f..bdf4459 100644 --- a/arch/powerpc/boot/dts/mpc836x_rdk.dts +++ b/arch/powerpc/boot/dts/mpc836x_rdk.dts @@ -71,6 +71,13 @@ reg = <0x200 0x100>; }; + pmc: power@b00 { + compatible = "fsl,mpc8360-pmc", "fsl,mpc8349-pmc"; + reg = <0xb00 0x100 0xa00 0x100>; + interrupts = <80 0x8>; + interrupt-parent = <&ipic>; + }; + i2c@3000 { #address-cells = <1>; #size-cells = <0>; @@ -161,6 +168,7 @@ fsl,channel-fifo-len = <24>; fsl,exec-units-mask = <0x7e>; fsl,descriptor-types-mask = <0x01010ebf>; + sleep = <&pmc 0x03000000>; }; ipic: interrupt-controller@700 { @@ -455,6 +463,7 @@ 0xa800 0 0 2 &ipic 20 8 0xa800 0 0 3 &ipic 21 8 0xa800 0 0 4 &ipic 18 8>; + sleep = <&pmc 0x00010000>; /* filled by u-boot */ bus-range = <0 0>; clock-frequency = <0>; diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts index 00c2bbd..6d892ba 100644 --- a/arch/powerpc/boot/dts/mpc8568mds.dts +++ b/arch/powerpc/boot/dts/mpc8568mds.dts @@ -40,6 +40,8 @@ i-cache-line-size = <32>; // 32 bytes d-cache-size = <0x8000>; // L1, 32K i-cache-size = <0x8000>; // L1, 32K + sleep = <&pmc 0x00008000 // core + &pmc 0x00004000>; // timebase timebase-frequency = <0>; bus-frequency = <0>; clock-frequency = <0>; @@ -94,31 +96,41 @@ interrupts = <16 2>; }; - i2c@3000 { + i2c-sleep-nexus { #address-cells = <1>; - #size-cells = <0>; - cell-index = <0>; - compatible = "fsl-i2c"; - reg = <0x3000 0x100>; - interrupts = <43 2>; - interrupt-parent = <&mpic>; - dfsrr; + #size-cells = <1>; + compatible = "simple-bus"; + sleep = <&pmc 0x00000004>; + ranges; - rtc@68 { - compatible = "dallas,ds1374"; - reg = <0x68>; + i2c@3000 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + compatible = "fsl-i2c"; + reg = <0x3000 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + + rtc@68 { + compatible = "dallas,ds1374"; + reg = <0x68>; + interrupts = <3 1>; + interrupt-parent = <&mpic>; + }; }; - }; - i2c@3100 { - #address-cells = <1>; - #size-cells = <0>; - cell-index = <1>; - compatible = "fsl-i2c"; - reg = <0x3100 0x100>; - interrupts = <43 2>; - interrupt-parent = <&mpic>; - dfsrr; + i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <0x3100 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; }; dma@21300 { @@ -128,6 +140,8 @@ reg = <0x21300 0x4>; ranges = <0x0 0x21100 0x200>; cell-index = <0>; + sleep = <&pmc 0x00000400>; + dma-channel@0 { compatible = "fsl,mpc8568-dma-channel", "fsl,eloplus-dma-channel"; @@ -176,6 +190,7 @@ interrupt-parent = <&mpic>; tbi-handle = <&tbi0>; phy-handle = <&phy2>; + sleep = <&pmc 0x00000080>; mdio@520 { #address-cells = <1>; @@ -228,6 +243,7 @@ interrupt-parent = <&mpic>; tbi-handle = <&tbi1>; phy-handle = <&phy3>; + sleep = <&pmc 0x00000040>; mdio@520 { #address-cells = <1>; @@ -242,30 +258,47 @@ }; }; - serial0: serial@4500 { - cell-index = <0>; - device_type = "serial"; - compatible = "ns16550"; - reg = <0x4500 0x100>; - clock-frequency = <0>; - interrupts = <42 2>; - interrupt-parent = <&mpic>; + duart-sleep-nexus { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + sleep = <&pmc 0x00000002>; + ranges; + + serial0: serial@4500 { + cell-index = <0>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4500 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; + + serial1: serial@4600 { + cell-index = <1>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4600 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; }; - global-utilities@e0000 { //global utilities block - compatible = "fsl,mpc8548-guts"; + global-utilities@e0000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8568-guts", "fsl,mpc8548-guts"; reg = <0xe0000 0x1000>; + ranges = <0 0xe0000 0x1000>; fsl,has-rstcr; - }; - serial1: serial@4600 { - cell-index = <1>; - device_type = "serial"; - compatible = "ns16550"; - reg = <0x4600 0x100>; - clock-frequency = <0>; - interrupts = <42 2>; - interrupt-parent = <&mpic>; + pmc: power@70 { + compatible = "fsl,mpc8568-pmc", + "fsl,mpc8548-pmc"; + reg = <0x70 0x20>; + }; }; crypto@30000 { @@ -277,6 +310,7 @@ fsl,channel-fifo-len = <24>; fsl,exec-units-mask = <0xfe>; fsl,descriptor-types-mask = <0x12b0ebf>; + sleep = <&pmc 0x01000000>; }; mpic: pic@40000 { @@ -376,6 +410,7 @@ compatible = "fsl,qe"; ranges = <0x0 0xe0080000 0x40000>; reg = <0xe0080000 0x480>; + sleep = <&pmc 0x00000800>; brg-frequency = <0>; bus-frequency = <396000000>; fsl,qe-num-riscs = <2>; @@ -509,6 +544,7 @@ bus-range = <0 255>; ranges = <0x2000000 0x0 0x80000000 0x80000000 0x0 0x20000000 0x1000000 0x0 0x0 0xe2000000 0x0 0x800000>; + sleep = <&pmc 0x80000000>; clock-frequency = <66666666>; #interrupt-cells = <1>; #size-cells = <2>; @@ -534,6 +570,7 @@ bus-range = <0 255>; ranges = <0x2000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000 0x1000000 0x0 0x0 0xe2800000 0x0 0x800000>; + sleep = <&pmc 0x20000000>; clock-frequency = <33333333>; #interrupt-cells = <1>; #size-cells = <2>; @@ -570,5 +607,7 @@ 55 2 /* msg2_tx */ 56 2 /* msg2_rx */>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x00080000 /* controller */ + &pmc 0x00040000>; /* message unit */ }; }; diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts b/arch/powerpc/boot/dts/mpc8569mds.dts index 1e3ec8f..795eb36 100644 --- a/arch/powerpc/boot/dts/mpc8569mds.dts +++ b/arch/powerpc/boot/dts/mpc8569mds.dts @@ -41,6 +41,8 @@ i-cache-line-size = <32>; // 32 bytes d-cache-size = <0x8000>; // L1, 32K i-cache-size = <0x8000>; // L1, 32K + sleep = <&pmc 0x00008000 // core + &pmc 0x00004000>; // timebase timebase-frequency = <0>; bus-frequency = <0>; clock-frequency = <0>; @@ -59,6 +61,7 @@ reg = <0xe0005000 0x1000>; interrupts = <19 2>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x08000000>; ranges = <0x0 0x0 0xfe000000 0x02000000 0x1 0x0 0xf8000000 0x00008000 @@ -158,51 +161,69 @@ interrupts = <18 2>; }; - i2c@3000 { + i2c-sleep-nexus { #address-cells = <1>; - #size-cells = <0>; - cell-index = <0>; - compatible = "fsl-i2c"; - reg = <0x3000 0x100>; - interrupts = <43 2>; - interrupt-parent = <&mpic>; - dfsrr; + #size-cells = <1>; + compatible = "simple-bus"; + sleep = <&pmc 0x00000004>; + ranges; + + i2c@3000 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + compatible = "fsl-i2c"; + reg = <0x3000 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + + rtc@68 { + compatible = "dallas,ds1374"; + reg = <0x68>; + interrupts = <3 1>; + interrupt-parent = <&mpic>; + }; + }; - rtc@68 { - compatible = "dallas,ds1374"; - reg = <0x68>; + i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <0x3100 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; }; }; - i2c@3100 { + duart-sleep-nexus { #address-cells = <1>; - #size-cells = <0>; - cell-index = <1>; - compatible = "fsl-i2c"; - reg = <0x3100 0x100>; - interrupts = <43 2>; - interrupt-parent = <&mpic>; - dfsrr; - }; + #size-cells = <1>; + compatible = "simple-bus"; + sleep = <&pmc 0x00000002>; + ranges; - serial0: serial@4500 { - cell-index = <0>; - device_type = "serial"; - compatible = "ns16550"; - reg = <0x4500 0x100>; - clock-frequency = <0>; - interrupts = <42 2>; - interrupt-parent = <&mpic>; - }; + serial0: serial@4500 { + cell-index = <0>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4500 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; - serial1: serial@4600 { - cell-index = <1>; - device_type = "serial"; - compatible = "ns16550"; - reg = <0x4600 0x100>; - clock-frequency = <0>; - interrupts = <42 2>; - interrupt-parent = <&mpic>; + serial1: serial@4600 { + cell-index = <1>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4600 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; }; L2: l2-cache-controller@20000 { @@ -260,6 +281,7 @@ reg = <0x2e000 0x1000>; interrupts = <72 0x8>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x00200000>; /* Filled in by U-Boot */ clock-frequency = <0>; status = "disabled"; @@ -276,6 +298,7 @@ fsl,channel-fifo-len = <24>; fsl,exec-units-mask = <0xbfe>; fsl,descriptor-types-mask = <0x3ab0ebf>; + sleep = <&pmc 0x01000000>; }; mpic: pic@40000 { @@ -304,9 +327,18 @@ }; global-utilities@e0000 { - compatible = "fsl,mpc8569-guts"; + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8569-guts", "fsl,mpc8548-guts"; reg = <0xe0000 0x1000>; + ranges = <0 0xe0000 0x1000>; fsl,has-rstcr; + + pmc: power@70 { + compatible = "fsl,mpc8569-pmc", + "fsl,mpc8548-pmc"; + reg = <0x70 0x20>; + }; }; par_io@e0100 { @@ -422,6 +454,7 @@ compatible = "fsl,qe"; ranges = <0x0 0xe0080000 0x40000>; reg = <0xe0080000 0x480>; + sleep = <&pmc 0x00000800>; brg-frequency = <0>; bus-frequency = <0>; fsl,qe-num-riscs = <4>; @@ -684,6 +717,7 @@ bus-range = <0 255>; ranges = <0x2000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000 0x1000000 0x0 0x00000000 0xe2800000 0x0 0x00800000>; + sleep = <&pmc 0x20000000>; clock-frequency = <33333333>; pcie@0 { reg = <0x0 0x0 0x0 0x0 0x0>; @@ -714,5 +748,6 @@ 55 2 /* msg2_tx */ 56 2 /* msg2_rx */>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x00080000>; }; }; diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts b/arch/powerpc/boot/dts/mpc8610_hpcd.dts index f468d21..9535ce6 100644 --- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts +++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts @@ -35,6 +35,8 @@ i-cache-line-size = <32>; d-cache-size = <32768>; // L1 i-cache-size = <32768>; // L1 + sleep = <&pmc 0x00008000 0 // core + &pmc 0x00004000 0>; // timebase timebase-frequency = <0>; // From uboot bus-frequency = <0>; // From uboot clock-frequency = <0>; // From uboot @@ -60,6 +62,7 @@ 5 0 0xe8480000 0x00008000 6 0 0xe84c0000 0x00008000 3 0 0xe8000000 0x00000020>; + sleep = <&pmc 0x08000000 0>; flash@0,0 { compatible = "cfi-flash"; @@ -105,6 +108,8 @@ compatible = "fsl,fpga-pixis"; reg = <3 0 0x20>; ranges = <0 3 0 0x20>; + interrupt-parent = <&mpic>; + interrupts = <8 8>; sdcsr_pio: gpio-controller@a { #gpio-cells = <2>; @@ -163,6 +168,7 @@ reg = <0x3100 0x100>; interrupts = <43 2>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x00000004 0>; dfsrr; }; @@ -174,6 +180,7 @@ clock-frequency = <0>; interrupts = <42 2>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x00000002 0>; }; serial1: serial@4600 { @@ -184,6 +191,7 @@ clock-frequency = <0>; interrupts = <42 2>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x00000008 0>; }; spi@7000 { @@ -196,6 +204,7 @@ interrupt-parent = <&mpic>; mode = "cpu"; gpios = <&sdcsr_pio 7 0>; + sleep = <&pmc 0x00000800 0>; mmc-slot@0 { compatible = "fsl,mpc8610hpcd-mmc-slot", @@ -213,6 +222,7 @@ reg = <0x2c000 100>; interrupts = <72 2>; interrupt-parent = <&mpic>; + sleep = <&pmc 0x04000000 0>; }; mpic: interrupt-controller@40000 { @@ -241,9 +251,18 @@ }; global-utilities@e0000 { + #address-cells = <1>; + #size-cells = <1>; compatible = "fsl,mpc8610-guts"; reg = <0xe0000 0x1000>; + ranges = <0 0xe0000 0x1000>; fsl,has-rstcr; + + pmc: power@70 { + compatible = "fsl,mpc8610-pmc", + "fsl,mpc8641d-pmc"; + reg = <0x70 0x20>; + }; }; wdt@e4000 { @@ -262,6 +281,7 @@ fsl,playback-dma = <&dma00>; fsl,capture-dma = <&dma01>; fsl,fifo-depth = <8>; + sleep = <&pmc 0 0x08000000>; }; ssi@16100 { @@ -271,6 +291,7 @@ interrupt-parent = <&mpic>; interrupts = <63 2>; fsl,fifo-depth = <8>; + sleep = <&pmc 0 0x04000000>; }; dma@21300 { @@ -280,6 +301,7 @@ cell-index = <0>; reg = <0x21300 0x4>; /* DMA general status register */ ranges = <0x0 0x21100 0x200>; + sleep = <&pmc 0x00000400 0>; dma00: dma-channel@0 { compatible = "fsl,mpc8610-dma-channel", @@ -322,6 +344,7 @@ cell-index = <1>; reg = <0xc300 0x4>; /* DMA general status register */ ranges = <0x0 0xc100 0x200>; + sleep = <&pmc 0x00000200 0>; dma-channel@0 { compatible = "fsl,mpc8610-dma-channel", @@ -369,6 +392,7 @@ bus-range = <0 0>; ranges = <0x02000000 0x0 0x80000000 0x80000000 0x0 0x10000000 0x01000000 0x0 0x00000000 0xe1000000 0x0 0x00100000>; + sleep = <&pmc 0x80000000 0>; clock-frequency = <33333333>; interrupt-parent = <&mpic>; interrupts = <24 2>; @@ -398,6 +422,7 @@ bus-range = <1 3>; ranges = <0x02000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000 0x01000000 0x0 0x00000000 0xe3000000 0x0 0x00100000>; + sleep = <&pmc 0x40000000 0>; clock-frequency = <33333333>; interrupt-parent = <&mpic>; interrupts = <26 2>; @@ -474,6 +499,7 @@ 0x0000 0 0 4 &mpic 7 1>; interrupt-parent = <&mpic>; interrupts = <25 2>; + sleep = <&pmc 0x20000000 0>; clock-frequency = <33333333>; }; }; diff --git a/arch/powerpc/boot/dts/p1020rdb.dts b/arch/powerpc/boot/dts/p1020rdb.dts new file mode 100644 index 0000000..df52690 --- /dev/null +++ b/arch/powerpc/boot/dts/p1020rdb.dts @@ -0,0 +1,477 @@ +/* + * P1020 RDB Device Tree Source + * + * Copyright 2009 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "fsl,P1020"; + compatible = "fsl,P1020RDB"; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,P1020@0 { + device_type = "cpu"; + reg = <0x0>; + next-level-cache = <&L2>; + }; + + PowerPC,P1020@1 { + device_type = "cpu"; + reg = <0x1>; + next-level-cache = <&L2>; + }; + }; + + memory { + device_type = "memory"; + }; + + localbus@ffe05000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "fsl,p1020-elbc", "fsl,elbc", "simple-bus"; + reg = <0 0xffe05000 0 0x1000>; + interrupts = <19 2>; + interrupt-parent = <&mpic>; + + /* NOR, NAND Flashes and Vitesse 5 port L2 switch */ + ranges = <0x0 0x0 0x0 0xef000000 0x01000000 + 0x1 0x0 0x0 0xffa00000 0x00040000 + 0x2 0x0 0x0 0xffb00000 0x00020000>; + + nor@0,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x0 0x0 0x1000000>; + bank-width = <2>; + device-width = <1>; + + partition@0 { + /* This location must not be altered */ + /* 256KB for Vitesse 7385 Switch firmware */ + reg = <0x0 0x00040000>; + label = "NOR (RO) Vitesse-7385 Firmware"; + read-only; + }; + + partition@40000 { + /* 256KB for DTB Image */ + reg = <0x00040000 0x00040000>; + label = "NOR (RO) DTB Image"; + read-only; + }; + + partition@80000 { + /* 3.5 MB for Linux Kernel Image */ + reg = <0x00080000 0x00380000>; + label = "NOR (RO) Linux Kernel Image"; + read-only; + }; + + partition@400000 { + /* 11MB for JFFS2 based Root file System */ + reg = <0x00400000 0x00b00000>; + label = "NOR (RW) JFFS2 Root File System"; + }; + + partition@f00000 { + /* This location must not be altered */ + /* 512KB for u-boot Bootloader Image */ + /* 512KB for u-boot Environment Variables */ + reg = <0x00f00000 0x00100000>; + label = "NOR (RO) U-Boot Image"; + read-only; + }; + }; + + nand@1,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,p1020-fcm-nand", + "fsl,elbc-fcm-nand"; + reg = <0x1 0x0 0x40000>; + + partition@0 { + /* This location must not be altered */ + /* 1MB for u-boot Bootloader Image */ + reg = <0x0 0x00100000>; + label = "NAND (RO) U-Boot Image"; + read-only; + }; + + partition@100000 { + /* 1MB for DTB Image */ + reg = <0x00100000 0x00100000>; + label = "NAND (RO) DTB Image"; + read-only; + }; + + partition@200000 { + /* 4MB for Linux Kernel Image */ + reg = <0x00200000 0x00400000>; + label = "NAND (RO) Linux Kernel Image"; + read-only; + }; + + partition@600000 { + /* 4MB for Compressed Root file System Image */ + reg = <0x00600000 0x00400000>; + label = "NAND (RO) Compressed RFS Image"; + read-only; + }; + + partition@a00000 { + /* 7MB for JFFS2 based Root file System */ + reg = <0x00a00000 0x00700000>; + label = "NAND (RW) JFFS2 Root File System"; + }; + + partition@1100000 { + /* 15MB for JFFS2 based Root file System */ + reg = <0x01100000 0x00f00000>; + label = "NAND (RW) Writable User area"; + }; + }; + + L2switch@2,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "vitesse-7385"; + reg = <0x2 0x0 0x20000>; + }; + + }; + + soc@ffe00000 { + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + compatible = "fsl,p1020-immr", "simple-bus"; + ranges = <0x0 0x0 0xffe00000 0x100000>; + bus-frequency = <0>; // Filled out by uboot. + + ecm-law@0 { + compatible = "fsl,ecm-law"; + reg = <0x0 0x1000>; + fsl,num-laws = <12>; + }; + + ecm@1000 { + compatible = "fsl,p1020-ecm", "fsl,ecm"; + reg = <0x1000 0x1000>; + interrupts = <16 2>; + interrupt-parent = <&mpic>; + }; + + memory-controller@2000 { + compatible = "fsl,p1020-memory-controller"; + reg = <0x2000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + }; + + i2c@3000 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + compatible = "fsl-i2c"; + reg = <0x3000 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; + }; + + i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <0x3100 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + serial0: serial@4500 { + cell-index = <0>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4500 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; + + serial1: serial@4600 { + cell-index = <1>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4600 0x100>; + clock-frequency = <0>; + interrupts = <42 2>; + interrupt-parent = <&mpic>; + }; + + spi@7000 { + cell-index = <0>; + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,espi"; + reg = <0x7000 0x1000>; + interrupts = <59 0x2>; + interrupt-parent = <&mpic>; + mode = "cpu"; + + fsl_m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,espi-flash"; + reg = <0>; + linux,modalias = "fsl_m25p80"; + modal = "s25sl128b"; + spi-max-frequency = <50000000>; + mode = <0>; + + partition@0 { + /* 512KB for u-boot Bootloader Image */ + reg = <0x0 0x00080000>; + label = "SPI (RO) U-Boot Image"; + read-only; + }; + + partition@80000 { + /* 512KB for DTB Image */ + reg = <0x00080000 0x00080000>; + label = "SPI (RO) DTB Image"; + read-only; + }; + + partition@100000 { + /* 4MB for Linux Kernel Image */ + reg = <0x00100000 0x00400000>; + label = "SPI (RO) Linux Kernel Image"; + read-only; + }; + + partition@500000 { + /* 4MB for Compressed RFS Image */ + reg = <0x00500000 0x00400000>; + label = "SPI (RO) Compressed RFS Image"; + read-only; + }; + + partition@900000 { + /* 7MB for JFFS2 based RFS */ + reg = <0x00900000 0x00700000>; + label = "SPI (RW) JFFS2 RFS"; + }; + }; + }; + + gpio: gpio-controller@f000 { + #gpio-cells = <2>; + compatible = "fsl,mpc8572-gpio"; + reg = <0xf000 0x100>; + interrupts = <47 0x2>; + interrupt-parent = <&mpic>; + gpio-controller; + }; + + L2: l2-cache-controller@20000 { + compatible = "fsl,p1020-l2-cache-controller"; + reg = <0x20000 0x1000>; + cache-line-size = <32>; // 32 bytes + cache-size = <0x40000>; // L2,256K + interrupt-parent = <&mpic>; + interrupts = <16 2>; + }; + + dma@21300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,eloplus-dma"; + reg = <0x21300 0x4>; + ranges = <0x0 0x21100 0x200>; + cell-index = <0>; + dma-channel@0 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x0 0x80>; + cell-index = <0>; + interrupt-parent = <&mpic>; + interrupts = <20 2>; + }; + dma-channel@80 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x80 0x80>; + cell-index = <1>; + interrupt-parent = <&mpic>; + interrupts = <21 2>; + }; + dma-channel@100 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x100 0x80>; + cell-index = <2>; + interrupt-parent = <&mpic>; + interrupts = <22 2>; + }; + dma-channel@180 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x180 0x80>; + cell-index = <3>; + interrupt-parent = <&mpic>; + interrupts = <23 2>; + }; + }; + + usb@22000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl-usb2-dr"; + reg = <0x22000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <28 0x2>; + phy_type = "ulpi"; + }; + + usb@23000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl-usb2-dr"; + reg = <0x23000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <46 0x2>; + phy_type = "ulpi"; + }; + + sdhci@2e000 { + compatible = "fsl,p1020-esdhc", "fsl,esdhc"; + reg = <0x2e000 0x1000>; + interrupts = <72 0x2>; + interrupt-parent = <&mpic>; + /* Filled in by U-Boot */ + clock-frequency = <0>; + }; + + crypto@30000 { + compatible = "fsl,sec3.1", "fsl,sec3.0", "fsl,sec2.4", + "fsl,sec2.2", "fsl,sec2.1", "fsl,sec2.0"; + reg = <0x30000 0x10000>; + interrupts = <45 2 58 2>; + interrupt-parent = <&mpic>; + fsl,num-channels = <4>; + fsl,channel-fifo-len = <24>; + fsl,exec-units-mask = <0xbfe>; + fsl,descriptor-types-mask = <0x3ab0ebf>; + }; + + mpic: pic@40000 { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x40000 0x40000>; + compatible = "chrp,open-pic"; + device_type = "open-pic"; + }; + + msi@41600 { + compatible = "fsl,p1020-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; + + global-utilities@e0000 { //global utilities block + compatible = "fsl,p1020-guts"; + reg = <0xe0000 0x1000>; + fsl,has-rstcr; + }; + }; + + pci0: pcie@ffe09000 { + compatible = "fsl,mpc8548-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0 0xffe09000 0 0x1000>; + bus-range = <0 255>; + ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>; + clock-frequency = <33333333>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + pcie@0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x2000000 0x0 0xa0000000 + 0x2000000 0x0 0xa0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + pci1: pcie@ffe0a000 { + compatible = "fsl,mpc8548-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0 0xffe0a000 0 0x1000>; + bus-range = <0 255>; + ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>; + clock-frequency = <33333333>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + pcie@0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x2000000 0x0 0xc0000000 + 0x2000000 0x0 0xc0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/p2020rdb_camp_core0.dts b/arch/powerpc/boot/dts/p2020rdb_camp_core0.dts new file mode 100644 index 0000000..0fe93d0 --- /dev/null +++ b/arch/powerpc/boot/dts/p2020rdb_camp_core0.dts @@ -0,0 +1,363 @@ +/* + * P2020 RDB Core0 Device Tree Source in CAMP mode. + * + * In CAMP mode, each core needs to have its own dts. Only mpic and L2 cache + * can be shared, all the other devices must be assigned to one core only. + * This dts file allows core0 to have memory, l2, i2c, spi, gpio, dma1, usb, + * eth1, eth2, sdhc, crypto, global-util, pci0. + * + * Copyright 2009 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "fsl,P2020"; + compatible = "fsl,P2020RDB", "fsl,MPC85XXRDB-CAMP"; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + ethernet1 = &enet1; + ethernet2 = &enet2; + serial0 = &serial0; + pci0 = &pci0; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,P2020@0 { + device_type = "cpu"; + reg = <0x0>; + next-level-cache = <&L2>; + }; + }; + + memory { + device_type = "memory"; + }; + + soc@ffe00000 { + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + compatible = "fsl,p2020-immr", "simple-bus"; + ranges = <0x0 0x0 0xffe00000 0x100000>; + bus-frequency = <0>; // Filled out by uboot. + + ecm-law@0 { + compatible = "fsl,ecm-law"; + reg = <0x0 0x1000>; + fsl,num-laws = <12>; + }; + + ecm@1000 { + compatible = "fsl,p2020-ecm", "fsl,ecm"; + reg = <0x1000 0x1000>; + interrupts = <17 2>; + interrupt-parent = <&mpic>; + }; + + memory-controller@2000 { + compatible = "fsl,p2020-memory-controller"; + reg = <0x2000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <18 2>; + }; + + i2c@3000 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + compatible = "fsl-i2c"; + reg = <0x3000 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; + }; + + i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <0x3100 0x100>; + interrupts = <43 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + serial0: serial@4500 { + cell-index = <0>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4500 0x100>; + clock-frequency = <0>; + }; + + spi@7000 { + cell-index = <0>; + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,espi"; + reg = <0x7000 0x1000>; + interrupts = <59 0x2>; + interrupt-parent = <&mpic>; + mode = "cpu"; + + fsl_m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,espi-flash"; + reg = <0>; + linux,modalias = "fsl_m25p80"; + modal = "s25sl128b"; + spi-max-frequency = <50000000>; + mode = <0>; + + partition@0 { + /* 512KB for u-boot Bootloader Image */ + reg = <0x0 0x00080000>; + label = "SPI (RO) U-Boot Image"; + read-only; + }; + + partition@80000 { + /* 512KB for DTB Image */ + reg = <0x00080000 0x00080000>; + label = "SPI (RO) DTB Image"; + read-only; + }; + + partition@100000 { + /* 4MB for Linux Kernel Image */ + reg = <0x00100000 0x00400000>; + label = "SPI (RO) Linux Kernel Image"; + read-only; + }; + + partition@500000 { + /* 4MB for Compressed RFS Image */ + reg = <0x00500000 0x00400000>; + label = "SPI (RO) Compressed RFS Image"; + read-only; + }; + + partition@900000 { + /* 7MB for JFFS2 based RFS */ + reg = <0x00900000 0x00700000>; + label = "SPI (RW) JFFS2 RFS"; + }; + }; + }; + + gpio: gpio-controller@f000 { + #gpio-cells = <2>; + compatible = "fsl,mpc8572-gpio"; + reg = <0xf000 0x100>; + interrupts = <47 0x2>; + interrupt-parent = <&mpic>; + gpio-controller; + }; + + L2: l2-cache-controller@20000 { + compatible = "fsl,p2020-l2-cache-controller"; + reg = <0x20000 0x1000>; + cache-line-size = <32>; // 32 bytes + cache-size = <0x80000>; // L2,512K + interrupt-parent = <&mpic>; + interrupts = <16 2>; + }; + + dma@21300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,eloplus-dma"; + reg = <0x21300 0x4>; + ranges = <0x0 0x21100 0x200>; + cell-index = <0>; + dma-channel@0 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x0 0x80>; + cell-index = <0>; + interrupt-parent = <&mpic>; + interrupts = <20 2>; + }; + dma-channel@80 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x80 0x80>; + cell-index = <1>; + interrupt-parent = <&mpic>; + interrupts = <21 2>; + }; + dma-channel@100 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x100 0x80>; + cell-index = <2>; + interrupt-parent = <&mpic>; + interrupts = <22 2>; + }; + dma-channel@180 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x180 0x80>; + cell-index = <3>; + interrupt-parent = <&mpic>; + interrupts = <23 2>; + }; + }; + + usb@22000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl-usb2-dr"; + reg = <0x22000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <28 0x2>; + phy_type = "ulpi"; + }; + + mdio@24520 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,gianfar-mdio"; + reg = <0x24520 0x20>; + + phy0: ethernet-phy@0 { + interrupt-parent = <&mpic>; + interrupts = <3 1>; + reg = <0x0>; + }; + phy1: ethernet-phy@1 { + interrupt-parent = <&mpic>; + interrupts = <3 1>; + reg = <0x1>; + }; + }; + + mdio@25520 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,gianfar-tbi"; + reg = <0x26520 0x20>; + + tbi0: tbi-phy@11 { + reg = <0x11>; + device_type = "tbi-phy"; + }; + }; + + enet1: ethernet@25000 { + #address-cells = <1>; + #size-cells = <1>; + cell-index = <1>; + device_type = "network"; + model = "eTSEC"; + compatible = "gianfar"; + reg = <0x25000 0x1000>; + ranges = <0x0 0x25000 0x1000>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <35 2 36 2 40 2>; + interrupt-parent = <&mpic>; + tbi-handle = <&tbi0>; + phy-handle = <&phy0>; + phy-connection-type = "sgmii"; + + }; + + enet2: ethernet@26000 { + #address-cells = <1>; + #size-cells = <1>; + cell-index = <2>; + device_type = "network"; + model = "eTSEC"; + compatible = "gianfar"; + reg = <0x26000 0x1000>; + ranges = <0x0 0x26000 0x1000>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <31 2 32 2 33 2>; + interrupt-parent = <&mpic>; + phy-handle = <&phy1>; + phy-connection-type = "rgmii-id"; + }; + + sdhci@2e000 { + compatible = "fsl,p2020-esdhc", "fsl,esdhc"; + reg = <0x2e000 0x1000>; + interrupts = <72 0x2>; + interrupt-parent = <&mpic>; + /* Filled in by U-Boot */ + clock-frequency = <0>; + }; + + crypto@30000 { + compatible = "fsl,sec3.1", "fsl,sec3.0", "fsl,sec2.4", + "fsl,sec2.2", "fsl,sec2.1", "fsl,sec2.0"; + reg = <0x30000 0x10000>; + interrupts = <45 2 58 2>; + interrupt-parent = <&mpic>; + fsl,num-channels = <4>; + fsl,channel-fifo-len = <24>; + fsl,exec-units-mask = <0xbfe>; + fsl,descriptor-types-mask = <0x3ab0ebf>; + }; + + mpic: pic@40000 { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x40000 0x40000>; + compatible = "chrp,open-pic"; + device_type = "open-pic"; + protected-sources = < + 42 76 77 78 79 /* serial1 , dma2 */ + 29 30 34 26 /* enet0, pci1 */ + 0xe0 0xe1 0xe2 0xe3 /* msi */ + 0xe4 0xe5 0xe6 0xe7 + >; + }; + + global-utilities@e0000 { + compatible = "fsl,p2020-guts"; + reg = <0xe0000 0x1000>; + fsl,has-rstcr; + }; + }; + + pci0: pcie@ffe09000 { + compatible = "fsl,mpc8548-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0 0xffe09000 0 0x1000>; + bus-range = <0 255>; + ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>; + clock-frequency = <33333333>; + interrupt-parent = <&mpic>; + interrupts = <25 2>; + pcie@0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x2000000 0x0 0xa0000000 + 0x2000000 0x0 0xa0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/p2020rdb_camp_core1.dts b/arch/powerpc/boot/dts/p2020rdb_camp_core1.dts new file mode 100644 index 0000000..e95a512 --- /dev/null +++ b/arch/powerpc/boot/dts/p2020rdb_camp_core1.dts @@ -0,0 +1,184 @@ +/* + * P2020 RDB Core1 Device Tree Source in CAMP mode. + * + * In CAMP mode, each core needs to have its own dts. Only mpic and L2 cache + * can be shared, all the other devices must be assigned to one core only. + * This dts allows core1 to have l2, dma2, eth0, pci1, msi. + * + * Please note to add "-b 1" for core1's dts compiling. + * + * Copyright 2009 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "fsl,P2020"; + compatible = "fsl,P2020RDB", "fsl,MPC85XXRDB-CAMP"; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + ethernet0 = &enet0; + serial0 = &serial0; + pci1 = &pci1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,P2020@1 { + device_type = "cpu"; + reg = <0x1>; + next-level-cache = <&L2>; + }; + }; + + memory { + device_type = "memory"; + }; + + soc@ffe00000 { + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + compatible = "fsl,p2020-immr", "simple-bus"; + ranges = <0x0 0x0 0xffe00000 0x100000>; + bus-frequency = <0>; // Filled out by uboot. + + serial0: serial@4600 { + cell-index = <1>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4600 0x100>; + clock-frequency = <0>; + }; + + dma@c300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,eloplus-dma"; + reg = <0xc300 0x4>; + ranges = <0x0 0xc100 0x200>; + cell-index = <1>; + dma-channel@0 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x0 0x80>; + cell-index = <0>; + interrupt-parent = <&mpic>; + interrupts = <76 2>; + }; + dma-channel@80 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x80 0x80>; + cell-index = <1>; + interrupt-parent = <&mpic>; + interrupts = <77 2>; + }; + dma-channel@100 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x100 0x80>; + cell-index = <2>; + interrupt-parent = <&mpic>; + interrupts = <78 2>; + }; + dma-channel@180 { + compatible = "fsl,eloplus-dma-channel"; + reg = <0x180 0x80>; + cell-index = <3>; + interrupt-parent = <&mpic>; + interrupts = <79 2>; + }; + }; + + L2: l2-cache-controller@20000 { + compatible = "fsl,p2020-l2-cache-controller"; + reg = <0x20000 0x1000>; + cache-line-size = <32>; // 32 bytes + cache-size = <0x80000>; // L2,512K + interrupt-parent = <&mpic>; + }; + + + enet0: ethernet@24000 { + #address-cells = <1>; + #size-cells = <1>; + cell-index = <0>; + device_type = "network"; + model = "eTSEC"; + compatible = "gianfar"; + reg = <0x24000 0x1000>; + ranges = <0x0 0x24000 0x1000>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <29 2 30 2 34 2>; + interrupt-parent = <&mpic>; + fixed-link = <1 1 1000 0 0>; + phy-connection-type = "rgmii-id"; + + }; + + mpic: pic@40000 { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x40000 0x40000>; + compatible = "chrp,open-pic"; + device_type = "open-pic"; + protected-sources = < + 17 18 43 42 59 47 /*ecm, mem, i2c, serial0, spi,gpio */ + 16 20 21 22 23 28 /* L2, dma1, USB */ + 03 35 36 40 31 32 33 /* mdio, enet1, enet2 */ + 72 45 58 25 /* sdhci, crypto , pci */ + >; + }; + + msi@41600 { + compatible = "fsl,p2020-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; + }; + + pci1: pcie@ffe0a000 { + compatible = "fsl,mpc8548-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0 0xffe0a000 0 0x1000>; + bus-range = <0 255>; + ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>; + clock-frequency = <33333333>; + interrupt-parent = <&mpic>; + interrupts = <26 2>; + pcie@0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x2000000 0x0 0xc0000000 + 0x2000000 0x0 0xc0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/p4080ds.dts b/arch/powerpc/boot/dts/p4080ds.dts new file mode 100644 index 0000000..6b29eab --- /dev/null +++ b/arch/powerpc/boot/dts/p4080ds.dts @@ -0,0 +1,554 @@ +/* + * P4080DS Device Tree Source + * + * Copyright 2009 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; + +/ { + model = "fsl,P4080DS"; + compatible = "fsl,P4080DS"; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + ccsr = &soc; + + serial0 = &serial0; + serial1 = &serial1; + serial2 = &serial2; + serial3 = &serial3; + pci0 = &pci0; + pci1 = &pci1; + pci2 = &pci2; + usb0 = &usb0; + usb1 = &usb1; + dma0 = &dma0; + dma1 = &dma1; + sdhc = &sdhc; + + rio0 = &rapidio0; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: PowerPC,4080@0 { + device_type = "cpu"; + reg = <0>; + next-level-cache = <&L2_0>; + L2_0: l2-cache { + }; + }; + cpu1: PowerPC,4080@1 { + device_type = "cpu"; + reg = <1>; + next-level-cache = <&L2_1>; + L2_1: l2-cache { + }; + }; + cpu2: PowerPC,4080@2 { + device_type = "cpu"; + reg = <2>; + next-level-cache = <&L2_2>; + L2_2: l2-cache { + }; + }; + cpu3: PowerPC,4080@3 { + device_type = "cpu"; + reg = <3>; + next-level-cache = <&L2_3>; + L2_3: l2-cache { + }; + }; + cpu4: PowerPC,4080@4 { + device_type = "cpu"; + reg = <4>; + next-level-cache = <&L2_4>; + L2_4: l2-cache { + }; + }; + cpu5: PowerPC,4080@5 { + device_type = "cpu"; + reg = <5>; + next-level-cache = <&L2_5>; + L2_5: l2-cache { + }; + }; + cpu6: PowerPC,4080@6 { + device_type = "cpu"; + reg = <6>; + next-level-cache = <&L2_6>; + L2_6: l2-cache { + }; + }; + cpu7: PowerPC,4080@7 { + device_type = "cpu"; + reg = <7>; + next-level-cache = <&L2_7>; + L2_7: l2-cache { + }; + }; + }; + + memory { + device_type = "memory"; + }; + + soc: soc@ffe000000 { + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + compatible = "simple-bus"; + ranges = <0x00000000 0xf 0xfe000000 0x1000000>; + reg = <0xf 0xfe000000 0 0x00001000>; + + corenet-law@0 { + compatible = "fsl,corenet-law"; + reg = <0x0 0x1000>; + fsl,num-laws = <32>; + }; + + memory-controller@8000 { + compatible = "fsl,p4080-memory-controller"; + reg = <0x8000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <0x12 2>; + }; + + memory-controller@9000 { + compatible = "fsl,p4080-memory-controller"; + reg = <0x9000 0x1000>; + interrupt-parent = <&mpic>; + interrupts = <0x12 2>; + }; + + corenet-cf@18000 { + compatible = "fsl,corenet-cf"; + reg = <0x18000 0x1000>; + fsl,ccf-num-csdids = <32>; + fsl,ccf-num-snoopids = <32>; + }; + + iommu@20000 { + compatible = "fsl,p4080-pamu"; + reg = <0x20000 0x10000>; + interrupts = <24 2>; + interrupt-parent = <&mpic>; + }; + + mpic: pic@40000 { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x40000 0x40000>; + compatible = "chrp,open-pic"; + device_type = "open-pic"; + }; + + dma0: dma@100300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,p4080-dma", "fsl,eloplus-dma"; + reg = <0x100300 0x4>; + ranges = <0x0 0x100100 0x200>; + cell-index = <0>; + dma-channel@0 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x0 0x80>; + cell-index = <0>; + interrupt-parent = <&mpic>; + interrupts = <28 2>; + }; + dma-channel@80 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x80 0x80>; + cell-index = <1>; + interrupt-parent = <&mpic>; + interrupts = <29 2>; + }; + dma-channel@100 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x100 0x80>; + cell-index = <2>; + interrupt-parent = <&mpic>; + interrupts = <30 2>; + }; + dma-channel@180 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x180 0x80>; + cell-index = <3>; + interrupt-parent = <&mpic>; + interrupts = <31 2>; + }; + }; + + dma1: dma@101300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,p4080-dma", "fsl,eloplus-dma"; + reg = <0x101300 0x4>; + ranges = <0x0 0x101100 0x200>; + cell-index = <1>; + dma-channel@0 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x0 0x80>; + cell-index = <0>; + interrupt-parent = <&mpic>; + interrupts = <32 2>; + }; + dma-channel@80 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x80 0x80>; + cell-index = <1>; + interrupt-parent = <&mpic>; + interrupts = <33 2>; + }; + dma-channel@100 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x100 0x80>; + cell-index = <2>; + interrupt-parent = <&mpic>; + interrupts = <34 2>; + }; + dma-channel@180 { + compatible = "fsl,p4080-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x180 0x80>; + cell-index = <3>; + interrupt-parent = <&mpic>; + interrupts = <35 2>; + }; + }; + + spi@110000 { + cell-index = <0>; + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,espi"; + reg = <0x110000 0x1000>; + interrupts = <53 0x2>; + interrupt-parent = <&mpic>; + espi,num-ss-bits = <4>; + mode = "cpu"; + + fsl_m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,espi-flash"; + reg = <0>; + linux,modalias = "fsl_m25p80"; + spi-max-frequency = <40000000>; /* input clock */ + partition@u-boot { + label = "u-boot"; + reg = <0x00000000 0x00100000>; + read-only; + }; + partition@kernel { + label = "kernel"; + reg = <0x00100000 0x00500000>; + read-only; + }; + partition@dtb { + label = "dtb"; + reg = <0x00600000 0x00100000>; + read-only; + }; + partition@fs { + label = "file system"; + reg = <0x00700000 0x00900000>; + }; + }; + }; + + sdhc: sdhc@114000 { + compatible = "fsl,p4080-esdhc", "fsl,esdhc"; + reg = <0x114000 0x1000>; + interrupts = <48 2>; + interrupt-parent = <&mpic>; + }; + + i2c@118000 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + compatible = "fsl-i2c"; + reg = <0x118000 0x100>; + interrupts = <38 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + i2c@118100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <0x118100 0x100>; + interrupts = <38 2>; + interrupt-parent = <&mpic>; + dfsrr; + eeprom@51 { + compatible = "at24,24c256"; + reg = <0x51>; + }; + eeprom@52 { + compatible = "at24,24c256"; + reg = <0x52>; + }; + rtc@68 { + compatible = "dallas,ds3232"; + reg = <0x68>; + interrupts = <0 0x1>; + interrupt-parent = <&mpic>; + }; + }; + + i2c@119000 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <2>; + compatible = "fsl-i2c"; + reg = <0x119000 0x100>; + interrupts = <39 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + i2c@119100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <3>; + compatible = "fsl-i2c"; + reg = <0x119100 0x100>; + interrupts = <39 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + serial0: serial@11c500 { + cell-index = <0>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x11c500 0x100>; + clock-frequency = <0>; + interrupts = <36 2>; + interrupt-parent = <&mpic>; + }; + + serial1: serial@11c600 { + cell-index = <1>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x11c600 0x100>; + clock-frequency = <0>; + interrupts = <36 2>; + interrupt-parent = <&mpic>; + }; + + serial2: serial@11d500 { + cell-index = <2>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x11d500 0x100>; + clock-frequency = <0>; + interrupts = <37 2>; + interrupt-parent = <&mpic>; + }; + + serial3: serial@11d600 { + cell-index = <3>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x11d600 0x100>; + clock-frequency = <0>; + interrupts = <37 2>; + interrupt-parent = <&mpic>; + }; + + gpio0: gpio@130000 { + compatible = "fsl,p4080-gpio"; + reg = <0x130000 0x1000>; + interrupts = <55 2>; + interrupt-parent = <&mpic>; + #gpio-cells = <2>; + gpio-controller; + }; + + usb0: usb@210000 { + compatible = "fsl,p4080-usb2-mph", + "fsl,mpc85xx-usb2-mph", "fsl-usb2-mph"; + reg = <0x210000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupt-parent = <&mpic>; + interrupts = <44 0x2>; + phy_type = "ulpi"; + }; + + usb1: usb@211000 { + compatible = "fsl,p4080-usb2-dr", + "fsl,mpc85xx-usb2-dr", "fsl-usb2-dr"; + reg = <0x211000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupt-parent = <&mpic>; + interrupts = <45 0x2>; + dr_mode = "host"; + phy_type = "ulpi"; + }; + }; + + rapidio0: rapidio@ffe0c0000 { + #address-cells = <2>; + #size-cells = <2>; + compatible = "fsl,rapidio-delta"; + reg = <0xf 0xfe0c0000 0 0x20000>; + ranges = <0 0 0xf 0xf5000000 0 0x01000000>; + interrupt-parent = <&mpic>; + /* err_irq bell_outb_irq bell_inb_irq + msg1_tx_irq msg1_rx_irq msg2_tx_irq msg2_rx_irq */ + interrupts = <16 2 56 2 57 2 60 2 61 2 62 2 63 2>; + }; + + localbus@ffe124000 { + compatible = "fsl,p4080-elbc", "fsl,elbc", "simple-bus"; + reg = <0xf 0xfe124000 0 0x1000>; + interrupts = <25 2>; + #address-cells = <2>; + #size-cells = <1>; + + ranges = <0 0 0xf 0xe8000000 0x08000000>; + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x08000000>; + bank-width = <2>; + device-width = <2>; + }; + }; + + pci0: pcie@ffe200000 { + compatible = "fsl,p4080-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0xf 0xfe200000 0 0x1000>; + bus-range = <0x0 0xff>; + ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000 + 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>; + clock-frequency = <0x1fca055>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = < + /* IDSEL 0x0 */ + 0000 0 0 1 &mpic 40 1 + 0000 0 0 2 &mpic 1 1 + 0000 0 0 3 &mpic 2 1 + 0000 0 0 4 &mpic 3 1 + >; + pcie@0 { + reg = <0 0 0 0 0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x02000000 0 0xe0000000 + 0x02000000 0 0xe0000000 + 0 0x20000000 + + 0x01000000 0 0x00000000 + 0x01000000 0 0x00000000 + 0 0x00010000>; + }; + }; + + pci1: pcie@ffe201000 { + compatible = "fsl,p4080-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0xf 0xfe201000 0 0x1000>; + bus-range = <0 0xff>; + ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 + 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>; + clock-frequency = <0x1fca055>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = < + /* IDSEL 0x0 */ + 0000 0 0 1 &mpic 41 1 + 0000 0 0 2 &mpic 5 1 + 0000 0 0 3 &mpic 6 1 + 0000 0 0 4 &mpic 7 1 + >; + pcie@0 { + reg = <0 0 0 0 0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x02000000 0 0xe0000000 + 0x02000000 0 0xe0000000 + 0 0x20000000 + + 0x01000000 0 0x00000000 + 0x01000000 0 0x00000000 + 0 0x00010000>; + }; + }; + + pci2: pcie@ffe202000 { + compatible = "fsl,p4080-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0xf 0xfe202000 0 0x1000>; + bus-range = <0x0 0xff>; + ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x20000000 + 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>; + clock-frequency = <0x1fca055>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = < + /* IDSEL 0x0 */ + 0000 0 0 1 &mpic 42 1 + 0000 0 0 2 &mpic 9 1 + 0000 0 0 3 &mpic 10 1 + 0000 0 0 4 &mpic 11 1 + >; + pcie@0 { + reg = <0 0 0 0 0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x02000000 0 0xe0000000 + 0x02000000 0 0xe0000000 + 0 0x20000000 + + 0x01000000 0 0x00000000 + 0x01000000 0 0x00000000 + 0 0x00010000>; + }; + }; + +}; diff --git a/arch/powerpc/boot/dts/redwood.dts b/arch/powerpc/boot/dts/redwood.dts index ad402c4..d2af32e 100644 --- a/arch/powerpc/boot/dts/redwood.dts +++ b/arch/powerpc/boot/dts/redwood.dts @@ -226,6 +226,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "rgmii"; phy-map = <0x00000000>; rgmii-device = <&RGMII0>; diff --git a/arch/powerpc/boot/dts/wii.dts b/arch/powerpc/boot/dts/wii.dts new file mode 100644 index 0000000..77528c9 --- /dev/null +++ b/arch/powerpc/boot/dts/wii.dts @@ -0,0 +1,218 @@ +/* + * arch/powerpc/boot/dts/wii.dts + * + * Nintendo Wii platform device tree source + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +/dts-v1/; + +/* + * This is commented-out for now. + * Until a later patch is merged, the kernel can use only the first + * contiguous RAM range and will BUG() if the memreserve is outside + * that range. + */ +/*/memreserve/ 0x10000000 0x0004000;*/ /* DSP RAM */ + +/ { + model = "nintendo,wii"; + compatible = "nintendo,wii"; + #address-cells = <1>; + #size-cells = <1>; + + chosen { + bootargs = "root=/dev/mmcblk0p2 rootwait udbg-immortal"; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x01800000 /* MEM1 24MB 1T-SRAM */ + 0x10000000 0x04000000>; /* MEM2 64MB GDDR3 */ + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,broadway@0 { + device_type = "cpu"; + reg = <0>; + clock-frequency = <729000000>; /* 729MHz */ + bus-frequency = <243000000>; /* 243MHz core-to-bus 3x */ + timebase-frequency = <60750000>; /* 243MHz / 4 */ + i-cache-line-size = <32>; + d-cache-line-size = <32>; + i-cache-size = <32768>; + d-cache-size = <32768>; + }; + }; + + /* devices contained in the hollywood chipset */ + hollywood { + #address-cells = <1>; + #size-cells = <1>; + compatible = "nintendo,hollywood"; + ranges = <0x0c000000 0x0c000000 0x01000000 + 0x0d000000 0x0d000000 0x00800000 + 0x0d800000 0x0d800000 0x00800000>; + interrupt-parent = <&PIC0>; + + video@0c002000 { + compatible = "nintendo,hollywood-vi", + "nintendo,flipper-vi"; + reg = <0x0c002000 0x100>; + interrupts = <8>; + }; + + processor-interface@0c003000 { + compatible = "nintendo,hollywood-pi", + "nintendo,flipper-pi"; + reg = <0x0c003000 0x100>; + + PIC0: pic0 { + #interrupt-cells = <1>; + compatible = "nintendo,flipper-pic"; + interrupt-controller; + }; + }; + + dsp@0c005000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "nintendo,hollywood-dsp", + "nintendo,flipper-dsp"; + reg = <0x0c005000 0x200>; + interrupts = <6>; + }; + + gamepad-controller@0d006400 { + compatible = "nintendo,hollywood-si", + "nintendo,flipper-si"; + reg = <0x0d006400 0x100>; + interrupts = <3>; + }; + + audio@0c006c00 { + compatible = "nintendo,hollywood-ai", + "nintendo,flipper-ai"; + reg = <0x0d006c00 0x20>; + interrupts = <6>; + }; + + /* External Interface bus */ + exi@0d006800 { + compatible = "nintendo,hollywood-exi", + "nintendo,flipper-exi"; + reg = <0x0d006800 0x40>; + virtual-reg = <0x0d006800>; + interrupts = <4>; + }; + + usb@0d040000 { + compatible = "nintendo,hollywood-usb-ehci", + "usb-ehci"; + reg = <0x0d040000 0x100>; + interrupts = <4>; + interrupt-parent = <&PIC1>; + }; + + usb@0d050000 { + compatible = "nintendo,hollywood-usb-ohci", + "usb-ohci"; + reg = <0x0d050000 0x100>; + interrupts = <5>; + interrupt-parent = <&PIC1>; + }; + + usb@0d060000 { + compatible = "nintendo,hollywood-usb-ohci", + "usb-ohci"; + reg = <0x0d060000 0x100>; + interrupts = <6>; + interrupt-parent = <&PIC1>; + }; + + sd@0d070000 { + compatible = "nintendo,hollywood-sdhci", + "sdhci"; + reg = <0x0d070000 0x200>; + interrupts = <7>; + interrupt-parent = <&PIC1>; + }; + + sdio@0d080000 { + compatible = "nintendo,hollywood-sdhci", + "sdhci"; + reg = <0x0d080000 0x200>; + interrupts = <8>; + interrupt-parent = <&PIC1>; + }; + + ipc@0d000000 { + compatible = "nintendo,hollywood-ipc"; + reg = <0x0d000000 0x10>; + interrupts = <30>; + interrupt-parent = <&PIC1>; + }; + + PIC1: pic1@0d800030 { + #interrupt-cells = <1>; + compatible = "nintendo,hollywood-pic"; + reg = <0x0d800030 0x10>; + interrupt-controller; + interrupts = <14>; + }; + + GPIO: gpio@0d8000c0 { + #gpio-cells = <2>; + compatible = "nintendo,hollywood-gpio"; + reg = <0x0d8000c0 0x40>; + gpio-controller; + + /* + * This is commented out while a standard binding + * for i2c over gpio is defined. + */ + /* + i2c-video { + #address-cells = <1>; + #size-cells = <0>; + compatible = "i2c-gpio"; + + gpios = <&GPIO 15 0 + &GPIO 14 0>; + clock-frequency = <250000>; + no-clock-stretching; + scl-is-open-drain; + sda-is-open-drain; + sda-enforce-dir; + + AVE: audio-video-encoder@70 { + compatible = "nintendo,wii-audio-video-encoder"; + reg = <0x70>; + }; + }; + */ + }; + + control@0d800100 { + compatible = "nintendo,hollywood-control"; + reg = <0x0d800100 0x300>; + }; + + disk@0d806000 { + compatible = "nintendo,hollywood-di"; + reg = <0x0d806000 0x40>; + interrupts = <2>; + }; + }; +}; + diff --git a/arch/powerpc/boot/dts/yosemite.dts b/arch/powerpc/boot/dts/yosemite.dts index 1fa3cb4..6492324 100644 --- a/arch/powerpc/boot/dts/yosemite.dts +++ b/arch/powerpc/boot/dts/yosemite.dts @@ -282,20 +282,10 @@ /* Inbound 2GB range starting at 0 */ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>; - /* Bamboo has all 4 IRQ pins tied together per slot */ interrupt-map-mask = <0xf800 0x0 0x0 0x0>; interrupt-map = < - /* IDSEL 1 */ - 0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8 - - /* IDSEL 2 */ - 0x1000 0x0 0x0 0x0 &UIC0 0x1b 0x8 - - /* IDSEL 3 */ - 0x1800 0x0 0x0 0x0 &UIC0 0x1a 0x8 - - /* IDSEL 4 */ - 0x2000 0x0 0x0 0x0 &UIC0 0x19 0x8 + /* IDSEL 12 */ + 0x6000 0x0 0x0 0x0 &UIC0 0x19 0x8 >; }; }; diff --git a/arch/powerpc/boot/gamecube-head.S b/arch/powerpc/boot/gamecube-head.S new file mode 100644 index 0000000..65a9b2a --- /dev/null +++ b/arch/powerpc/boot/gamecube-head.S @@ -0,0 +1,111 @@ +/* + * arch/powerpc/boot/gamecube-head.S + * + * Nintendo GameCube bootwrapper entry. + * Copyright (C) 2004-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include "ppc_asm.h" + +/* + * The entry code does no assumptions regarding: + * - if the data and instruction caches are enabled or not + * - if the MMU is enabled or not + * + * We enable the caches if not already enabled, enable the MMU with an + * identity mapping scheme and jump to the start code. + */ + + .text + + .globl _zimage_start +_zimage_start: + + /* turn the MMU off */ + mfmsr 9 + rlwinm 9, 9, 0, ~((1<<4)|(1<<5)) /* MSR_DR|MSR_IR */ + bcl 20, 31, 1f +1: + mflr 8 + clrlwi 8, 8, 3 /* convert to a real address */ + addi 8, 8, _mmu_off - 1b + mtsrr0 8 + mtsrr1 9 + rfi +_mmu_off: + /* MMU disabled */ + + /* setup BATs */ + isync + li 8, 0 + mtspr 0x210, 8 /* IBAT0U */ + mtspr 0x212, 8 /* IBAT1U */ + mtspr 0x214, 8 /* IBAT2U */ + mtspr 0x216, 8 /* IBAT3U */ + mtspr 0x218, 8 /* DBAT0U */ + mtspr 0x21a, 8 /* DBAT1U */ + mtspr 0x21c, 8 /* DBAT2U */ + mtspr 0x21e, 8 /* DBAT3U */ + + li 8, 0x01ff /* first 16MiB */ + li 9, 0x0002 /* rw */ + mtspr 0x211, 9 /* IBAT0L */ + mtspr 0x210, 8 /* IBAT0U */ + mtspr 0x219, 9 /* DBAT0L */ + mtspr 0x218, 8 /* DBAT0U */ + + lis 8, 0x0c00 /* I/O mem */ + ori 8, 8, 0x3ff /* 32MiB */ + lis 9, 0x0c00 + ori 9, 9, 0x002a /* uncached, guarded, rw */ + mtspr 0x21b, 9 /* DBAT1L */ + mtspr 0x21a, 8 /* DBAT1U */ + + lis 8, 0x0100 /* next 8MiB */ + ori 8, 8, 0x00ff /* 8MiB */ + lis 9, 0x0100 + ori 9, 9, 0x0002 /* rw */ + mtspr 0x215, 9 /* IBAT2L */ + mtspr 0x214, 8 /* IBAT2U */ + mtspr 0x21d, 9 /* DBAT2L */ + mtspr 0x21c, 8 /* DBAT2U */ + + /* enable and invalidate the caches if not already enabled */ + mfspr 8, 0x3f0 /* HID0 */ + andi. 0, 8, (1<<15) /* HID0_ICE */ + bne 1f + ori 8, 8, (1<<15)|(1<<11) /* HID0_ICE|HID0_ICFI*/ +1: + andi. 0, 8, (1<<14) /* HID0_DCE */ + bne 1f + ori 8, 8, (1<<14)|(1<<10) /* HID0_DCE|HID0_DCFI*/ +1: + mtspr 0x3f0, 8 /* HID0 */ + isync + + /* initialize arguments */ + li 3, 0 + li 4, 0 + li 5, 0 + + /* turn the MMU on */ + bcl 20, 31, 1f +1: + mflr 8 + addi 8, 8, _mmu_on - 1b + mfmsr 9 + ori 9, 9, (1<<4)|(1<<5) /* MSR_DR|MSR_IR */ + mtsrr0 8 + mtsrr1 9 + sync + rfi +_mmu_on: + b _zimage_start_lib + diff --git a/arch/powerpc/boot/gamecube.c b/arch/powerpc/boot/gamecube.c new file mode 100644 index 0000000..28ae705 --- /dev/null +++ b/arch/powerpc/boot/gamecube.c @@ -0,0 +1,35 @@ +/* + * arch/powerpc/boot/gamecube.c + * + * Nintendo GameCube bootwrapper support + * Copyright (C) 2004-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include <stddef.h> +#include "stdio.h" +#include "types.h" +#include "io.h" +#include "ops.h" + +#include "ugecon.h" + +BSS_STACK(8192); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) +{ + u32 heapsize = 16*1024*1024 - (u32)_end; + + simple_alloc_init(_end, heapsize, 32, 64); + fdt_init(_dtb_start); + + if (ug_probe()) + console_ops.write = ug_console_write; +} + diff --git a/arch/powerpc/boot/ugecon.c b/arch/powerpc/boot/ugecon.c new file mode 100644 index 0000000..50609ea --- /dev/null +++ b/arch/powerpc/boot/ugecon.c @@ -0,0 +1,147 @@ +/* + * arch/powerpc/boot/ugecon.c + * + * USB Gecko bootwrapper console. + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include <stddef.h> +#include "stdio.h" +#include "types.h" +#include "io.h" +#include "ops.h" + + +#define EXI_CLK_32MHZ 5 + +#define EXI_CSR 0x00 +#define EXI_CSR_CLKMASK (0x7<<4) +#define EXI_CSR_CLK_32MHZ (EXI_CLK_32MHZ<<4) +#define EXI_CSR_CSMASK (0x7<<7) +#define EXI_CSR_CS_0 (0x1<<7) /* Chip Select 001 */ + +#define EXI_CR 0x0c +#define EXI_CR_TSTART (1<<0) +#define EXI_CR_WRITE (1<<2) +#define EXI_CR_READ_WRITE (2<<2) +#define EXI_CR_TLEN(len) (((len)-1)<<4) + +#define EXI_DATA 0x10 + + +/* virtual address base for input/output, retrieved from device tree */ +static void *ug_io_base; + + +static u32 ug_io_transaction(u32 in) +{ + u32 *csr_reg = ug_io_base + EXI_CSR; + u32 *data_reg = ug_io_base + EXI_DATA; + u32 *cr_reg = ug_io_base + EXI_CR; + u32 csr, data, cr; + + /* select */ + csr = EXI_CSR_CLK_32MHZ | EXI_CSR_CS_0; + out_be32(csr_reg, csr); + + /* read/write */ + data = in; + out_be32(data_reg, data); + cr = EXI_CR_TLEN(2) | EXI_CR_READ_WRITE | EXI_CR_TSTART; + out_be32(cr_reg, cr); + + while (in_be32(cr_reg) & EXI_CR_TSTART) + barrier(); + + /* deselect */ + out_be32(csr_reg, 0); + + data = in_be32(data_reg); + return data; +} + +static int ug_is_txfifo_ready(void) +{ + return ug_io_transaction(0xc0000000) & 0x04000000; +} + +static void ug_raw_putc(char ch) +{ + ug_io_transaction(0xb0000000 | (ch << 20)); +} + +static void ug_putc(char ch) +{ + int count = 16; + + if (!ug_io_base) + return; + + while (!ug_is_txfifo_ready() && count--) + barrier(); + if (count) + ug_raw_putc(ch); +} + +void ug_console_write(const char *buf, int len) +{ + char *b = (char *)buf; + + while (len--) { + if (*b == '\n') + ug_putc('\r'); + ug_putc(*b++); + } +} + +static int ug_is_adapter_present(void) +{ + if (!ug_io_base) + return 0; + return ug_io_transaction(0x90000000) == 0x04700000; +} + +static void *ug_grab_exi_io_base(void) +{ + u32 v; + void *devp; + + devp = find_node_by_compatible(NULL, "nintendo,flipper-exi"); + if (devp == NULL) + goto err_out; + if (getprop(devp, "virtual-reg", &v, sizeof(v)) != sizeof(v)) + goto err_out; + + return (void *)v; + +err_out: + return NULL; +} + +void *ug_probe(void) +{ + void *exi_io_base; + int i; + + exi_io_base = ug_grab_exi_io_base(); + if (!exi_io_base) + return NULL; + + /* look for a usbgecko on memcard slots A and B */ + for (i = 0; i < 2; i++) { + ug_io_base = exi_io_base + 0x14 * i; + if (ug_is_adapter_present()) + break; + } + if (i == 2) + ug_io_base = NULL; + return ug_io_base; +} + diff --git a/arch/powerpc/boot/ugecon.h b/arch/powerpc/boot/ugecon.h new file mode 100644 index 0000000..4373753 --- /dev/null +++ b/arch/powerpc/boot/ugecon.h @@ -0,0 +1,24 @@ +/* + * arch/powerpc/boot/ugecon.h + * + * USB Gecko early bootwrapper console. + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#ifndef __UGECON_H +#define __UGECON_H + +extern void *ug_probe(void); + +extern void ug_putc(char ch); +extern void ug_console_write(const char *buf, int len); + +#endif /* __UGECON_H */ + diff --git a/arch/powerpc/boot/wii-head.S b/arch/powerpc/boot/wii-head.S new file mode 100644 index 0000000..edd79b8 --- /dev/null +++ b/arch/powerpc/boot/wii-head.S @@ -0,0 +1,142 @@ +/* + * arch/powerpc/boot/wii-head.S + * + * Nintendo Wii bootwrapper entry. + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include "ppc_asm.h" + +/* + * The entry code does no assumptions regarding: + * - if the data and instruction caches are enabled or not + * - if the MMU is enabled or not + * - if the high BATs are enabled or not + * + * We enable the high BATs, enable the caches if not already enabled, + * enable the MMU with an identity mapping scheme and jump to the start code. + */ + + .text + + .globl _zimage_start +_zimage_start: + + /* turn the MMU off */ + mfmsr 9 + rlwinm 9, 9, 0, ~((1<<4)|(1<<5)) /* MSR_DR|MSR_IR */ + bcl 20, 31, 1f +1: + mflr 8 + clrlwi 8, 8, 3 /* convert to a real address */ + addi 8, 8, _mmu_off - 1b + mtsrr0 8 + mtsrr1 9 + rfi +_mmu_off: + /* MMU disabled */ + + /* setup BATs */ + isync + li 8, 0 + mtspr 0x210, 8 /* IBAT0U */ + mtspr 0x212, 8 /* IBAT1U */ + mtspr 0x214, 8 /* IBAT2U */ + mtspr 0x216, 8 /* IBAT3U */ + mtspr 0x218, 8 /* DBAT0U */ + mtspr 0x21a, 8 /* DBAT1U */ + mtspr 0x21c, 8 /* DBAT2U */ + mtspr 0x21e, 8 /* DBAT3U */ + + mtspr 0x230, 8 /* IBAT4U */ + mtspr 0x232, 8 /* IBAT5U */ + mtspr 0x234, 8 /* IBAT6U */ + mtspr 0x236, 8 /* IBAT7U */ + mtspr 0x238, 8 /* DBAT4U */ + mtspr 0x23a, 8 /* DBAT5U */ + mtspr 0x23c, 8 /* DBAT6U */ + mtspr 0x23e, 8 /* DBAT7U */ + + li 8, 0x01ff /* first 16MiB */ + li 9, 0x0002 /* rw */ + mtspr 0x211, 9 /* IBAT0L */ + mtspr 0x210, 8 /* IBAT0U */ + mtspr 0x219, 9 /* DBAT0L */ + mtspr 0x218, 8 /* DBAT0U */ + + lis 8, 0x0c00 /* I/O mem */ + ori 8, 8, 0x3ff /* 32MiB */ + lis 9, 0x0c00 + ori 9, 9, 0x002a /* uncached, guarded, rw */ + mtspr 0x21b, 9 /* DBAT1L */ + mtspr 0x21a, 8 /* DBAT1U */ + + lis 8, 0x0100 /* next 8MiB */ + ori 8, 8, 0x00ff /* 8MiB */ + lis 9, 0x0100 + ori 9, 9, 0x0002 /* rw */ + mtspr 0x215, 9 /* IBAT2L */ + mtspr 0x214, 8 /* IBAT2U */ + mtspr 0x21d, 9 /* DBAT2L */ + mtspr 0x21c, 8 /* DBAT2U */ + + lis 8, 0x1000 /* MEM2 */ + ori 8, 8, 0x07ff /* 64MiB */ + lis 9, 0x1000 + ori 9, 9, 0x0002 /* rw */ + mtspr 0x216, 8 /* IBAT3U */ + mtspr 0x217, 9 /* IBAT3L */ + mtspr 0x21e, 8 /* DBAT3U */ + mtspr 0x21f, 9 /* DBAT3L */ + + /* enable the high BATs */ + mfspr 8, 0x3f3 /* HID4 */ + oris 8, 8, 0x0200 + mtspr 0x3f3, 8 /* HID4 */ + + /* enable and invalidate the caches if not already enabled */ + mfspr 8, 0x3f0 /* HID0 */ + andi. 0, 8, (1<<15) /* HID0_ICE */ + bne 1f + ori 8, 8, (1<<15)|(1<<11) /* HID0_ICE|HID0_ICFI*/ +1: + andi. 0, 8, (1<<14) /* HID0_DCE */ + bne 1f + ori 8, 8, (1<<14)|(1<<10) /* HID0_DCE|HID0_DCFI*/ +1: + mtspr 0x3f0, 8 /* HID0 */ + isync + + /* initialize arguments */ + li 3, 0 + li 4, 0 + li 5, 0 + + /* turn the MMU on */ + bcl 20, 31, 1f +1: + mflr 8 + addi 8, 8, _mmu_on - 1b + mfmsr 9 + ori 9, 9, (1<<4)|(1<<5) /* MSR_DR|MSR_IR */ + mtsrr0 8 + mtsrr1 9 + sync + rfi +_mmu_on: + /* turn on the front blue led (aka: yay! we got here!) */ + lis 8, 0x0d00 + ori 8, 8, 0x00c0 + lwz 9, 0(8) + ori 9, 9, 0x20 + stw 9, 0(8) + + b _zimage_start_lib + diff --git a/arch/powerpc/boot/wii.c b/arch/powerpc/boot/wii.c new file mode 100644 index 0000000..2ebaec0 --- /dev/null +++ b/arch/powerpc/boot/wii.c @@ -0,0 +1,158 @@ +/* + * arch/powerpc/boot/wii.c + * + * Nintendo Wii bootwrapper support + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include <stddef.h> +#include "stdio.h" +#include "types.h" +#include "io.h" +#include "ops.h" + +#include "ugecon.h" + +BSS_STACK(8192); + +#define HW_REG(x) ((void *)(x)) + +#define EXI_CTRL HW_REG(0x0d800070) +#define EXI_CTRL_ENABLE (1<<0) + +#define MEM2_TOP (0x10000000 + 64*1024*1024) +#define FIRMWARE_DEFAULT_SIZE (12*1024*1024) + + +struct mipc_infohdr { + char magic[3]; + u8 version; + u32 mem2_boundary; + u32 ipc_in; + size_t ipc_in_size; + u32 ipc_out; + size_t ipc_out_size; +}; + +static int mipc_check_address(u32 pa) +{ + /* only MEM2 addresses */ + if (pa < 0x10000000 || pa > 0x14000000) + return -EINVAL; + return 0; +} + +static struct mipc_infohdr *mipc_get_infohdr(void) +{ + struct mipc_infohdr **hdrp, *hdr; + + /* 'mini' header pointer is the last word of MEM2 memory */ + hdrp = (struct mipc_infohdr **)0x13fffffc; + if (mipc_check_address((u32)hdrp)) { + printf("mini: invalid hdrp %08X\n", (u32)hdrp); + hdr = NULL; + goto out; + } + + hdr = *hdrp; + if (mipc_check_address((u32)hdr)) { + printf("mini: invalid hdr %08X\n", (u32)hdr); + hdr = NULL; + goto out; + } + if (memcmp(hdr->magic, "IPC", 3)) { + printf("mini: invalid magic\n"); + hdr = NULL; + goto out; + } + +out: + return hdr; +} + +static int mipc_get_mem2_boundary(u32 *mem2_boundary) +{ + struct mipc_infohdr *hdr; + int error; + + hdr = mipc_get_infohdr(); + if (!hdr) { + error = -1; + goto out; + } + + if (mipc_check_address(hdr->mem2_boundary)) { + printf("mini: invalid mem2_boundary %08X\n", + hdr->mem2_boundary); + error = -EINVAL; + goto out; + } + *mem2_boundary = hdr->mem2_boundary; + error = 0; +out: + return error; + +} + +static void platform_fixups(void) +{ + void *mem; + u32 reg[4]; + u32 mem2_boundary; + int len; + int error; + + mem = finddevice("/memory"); + if (!mem) + fatal("Can't find memory node\n"); + + /* two ranges of (address, size) words */ + len = getprop(mem, "reg", reg, sizeof(reg)); + if (len != sizeof(reg)) { + /* nothing to do */ + goto out; + } + + /* retrieve MEM2 boundary from 'mini' */ + error = mipc_get_mem2_boundary(&mem2_boundary); + if (error) { + /* if that fails use a sane value */ + mem2_boundary = MEM2_TOP - FIRMWARE_DEFAULT_SIZE; + } + + if (mem2_boundary > reg[2] && mem2_boundary < reg[2] + reg[3]) { + reg[3] = mem2_boundary - reg[2]; + printf("top of MEM2 @ %08X\n", reg[2] + reg[3]); + setprop(mem, "reg", reg, sizeof(reg)); + } + +out: + return; +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) +{ + u32 heapsize = 24*1024*1024 - (u32)_end; + + simple_alloc_init(_end, heapsize, 32, 64); + fdt_init(_dtb_start); + + /* + * 'mini' boots the Broadway processor with EXI disabled. + * We need it enabled before probing for the USB Gecko. + */ + out_be32(EXI_CTRL, in_be32(EXI_CTRL) | EXI_CTRL_ENABLE); + + if (ug_probe()) + console_ops.write = ug_console_write; + + platform_ops.fixups = platform_fixups; +} + diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index ac9e9a5..390512a 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -230,6 +230,10 @@ xpedite52*) link_address='0x1400000' platformo=$object/cuboot-85xx.o ;; +gamecube|wii) + link_address='0x600000' + platformo="$object/$platform-head.o $object/$platform.o" + ;; esac vmz="$tmpdir/`basename \"$kernel\"`.$ext" diff --git a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig index 2898073..6cd2cd6 100644 --- a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig +++ b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig @@ -218,7 +218,7 @@ CONFIG_MPIC=y # CONFIG_MPIC_WEIRD is not set # CONFIG_PPC_I8259 is not set # CONFIG_PPC_RTAS is not set -# CONFIG_MMIO_NVRAM is not set +CONFIG_MMIO_NVRAM=y # CONFIG_PPC_MPC106 is not set # CONFIG_PPC_970_NAP is not set # CONFIG_PPC_INDIRECT_IO is not set diff --git a/arch/powerpc/configs/86xx/gef_sbc310_defconfig b/arch/powerpc/configs/86xx/gef_sbc310_defconfig index e199d1c..a6a3768 100644 --- a/arch/powerpc/configs/86xx/gef_sbc310_defconfig +++ b/arch/powerpc/configs/86xx/gef_sbc310_defconfig @@ -218,7 +218,7 @@ CONFIG_MPIC=y # CONFIG_MPIC_WEIRD is not set # CONFIG_PPC_I8259 is not set # CONFIG_PPC_RTAS is not set -# CONFIG_MMIO_NVRAM is not set +CONFIG_MMIO_NVRAM=y # CONFIG_PPC_MPC106 is not set # CONFIG_PPC_970_NAP is not set # CONFIG_PPC_INDIRECT_IO is not set diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig index 3b0fbfb..1975d41 100644 --- a/arch/powerpc/configs/86xx/gef_sbc610_defconfig +++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig @@ -219,7 +219,7 @@ CONFIG_MPIC=y # CONFIG_MPIC_WEIRD is not set # CONFIG_PPC_I8259 is not set # CONFIG_PPC_RTAS is not set -# CONFIG_MMIO_NVRAM is not set +CONFIG_MMIO_NVRAM=y # CONFIG_PPC_MPC106 is not set # CONFIG_PPC_970_NAP is not set # CONFIG_PPC_INDIRECT_IO is not set @@ -1124,7 +1124,7 @@ CONFIG_UNIX98_PTYS=y # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y # CONFIG_HW_RANDOM_TIMERIOMEM is not set -# CONFIG_NVRAM is not set +CONFIG_NVRAM=y # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set # CONFIG_RAW_DRIVER is not set diff --git a/arch/powerpc/configs/gamecube_defconfig b/arch/powerpc/configs/gamecube_defconfig new file mode 100644 index 0000000..942e119 --- /dev/null +++ b/arch/powerpc/configs/gamecube_defconfig @@ -0,0 +1,1061 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.32-rc8 +# Sun Nov 22 21:07:30 2009 +# +# CONFIG_PPC64 is not set + +# +# Processor support +# +CONFIG_PPC_BOOK3S_32=y +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_PPC_BOOK3S=y +CONFIG_6xx=y +CONFIG_PPC_FPU=y +# CONFIG_ALTIVEC is not set +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_PPC_MM_SLICES is not set +CONFIG_PPC_HAVE_PMU_SUPPORT=y +CONFIG_PPC_PERF_CTRS=y +# CONFIG_SMP is not set +CONFIG_NOT_COHERENT_CACHE=y +CONFIG_PPC32=y +CONFIG_WORD_SIZE=32 +# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set +CONFIG_MMU=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set +# CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK is not set +CONFIG_IRQ_PER_CPU=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +# CONFIG_ARCH_NO_VIRT_TO_BUS is not set +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_OF=y +# CONFIG_PPC_UDBG_16550 is not set +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +CONFIG_DTC=y +# CONFIG_DEFAULT_UIMAGE is not set +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="-gcn" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=32 +# CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_TREE_RCU_TRACE is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +# CONFIG_ELF_CORE is not set +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y + +# +# Kernel Performance Events And Counters +# +CONFIG_PERF_EVENTS=y +CONFIG_EVENT_PROFILE=y +CONFIG_PERF_COUNTERS=y +# CONFIG_DEBUG_PERF_USE_VMALLOC is not set +# CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_COMPAT_BRK=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +CONFIG_TRACEPOINTS=y +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_DMA_API_DEBUG=y + +# +# GCOV-based kernel profiling +# +# CONFIG_GCOV_KERNEL is not set +CONFIG_SLOW_WORK=y +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +CONFIG_LBDAF=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +# CONFIG_FREEZER is not set + +# +# Platform support +# +# CONFIG_PPC_CHRP is not set +# CONFIG_MPC5121_ADS is not set +# CONFIG_MPC5121_GENERIC is not set +# CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_PMAC is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PPC_82xx is not set +# CONFIG_PQ2ADS is not set +# CONFIG_PPC_83xx is not set +# CONFIG_PPC_86xx is not set +CONFIG_EMBEDDED6xx=y +# CONFIG_LINKSTATION is not set +# CONFIG_STORCENTER is not set +# CONFIG_MPC7448HPC2 is not set +# CONFIG_PPC_HOLLY is not set +# CONFIG_PPC_PRPMC2800 is not set +# CONFIG_PPC_C2K is not set +CONFIG_GAMECUBE_COMMON=y +CONFIG_USBGECKO_UDBG=y +CONFIG_FLIPPER_PIC=y +CONFIG_GAMECUBE=y +# CONFIG_WII is not set +# CONFIG_AMIGAONE is not set +# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set +# CONFIG_IPIC is not set +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_TAU is not set +# CONFIG_FSL_ULI1575 is not set +# CONFIG_SIMPLE_GPIO is not set + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +# CONFIG_SCHED_HRTICK is not set +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +CONFIG_BINFMT_ELF=y +# CONFIG_HAVE_AOUT is not set +CONFIG_BINFMT_MISC=m +# CONFIG_IOMMU_HELPER is not set +# CONFIG_SWIOTLB is not set +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set +CONFIG_MAX_ACTIVE_REGIONS=32 +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_MIGRATION is not set +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y +# CONFIG_KSM is not set +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_PPC_4K_PAGES=y +# CONFIG_PPC_16K_PAGES is not set +# CONFIG_PPC_64K_PAGES is not set +# CONFIG_PPC_256K_PAGES is not set +CONFIG_FORCE_MAX_ZONEORDER=11 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +CONFIG_EXTRA_TARGETS="" +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_ISA_DMA=y +# CONFIG_PCI is not set +# CONFIG_PCI_DOMAINS is not set +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set +# CONFIG_HAS_RAPIDIO is not set + +# +# Advanced setup +# +CONFIG_ADVANCED_OPTIONS=y +# CONFIG_LOWMEM_SIZE_BOOL is not set +CONFIG_LOWMEM_SIZE=0x30000000 +# CONFIG_PAGE_OFFSET_BOOL is not set +CONFIG_PAGE_OFFSET=0xc0000000 +# CONFIG_KERNEL_START_BOOL is not set +CONFIG_KERNEL_START=0xc0000000 +CONFIG_PHYSICAL_START=0x00000000 +# CONFIG_TASK_SIZE_BOOL is not set +CONFIG_TASK_SIZE=0xc0000000 +# CONFIG_CONSISTENT_SIZE_BOOL is not set +CONFIG_CONSISTENT_SIZE=0x00200000 +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +CONFIG_IP_PNP_RARP=y +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_RDS is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +# CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_NET_DROP_MONITOR is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +# CONFIG_WIRELESS is not set +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_DEVTMPFS is not set +# CONFIG_STANDALONE is not set +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set +CONFIG_OF_DEVICE=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +CONFIG_BLK_DEV_NBD=m +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=2 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_BLK_DEV_HD is not set +CONFIG_MISC_DEVICES=y +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_93CX6 is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +# CONFIG_MACINTOSH_DRIVERS is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +# CONFIG_PHYLIB is not set +CONFIG_NET_ETHERNET=y +# CONFIG_MII is not set +# CONFIG_ETHOC is not set +# CONFIG_DNET is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_KS8842 is not set +# CONFIG_KS8851_MLL is not set +# CONFIG_XILINX_EMACLITE is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set +# CONFIG_WLAN is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +CONFIG_INPUT_FF_MEMLESS=m +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +CONFIG_INPUT_JOYDEV=y +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ATKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_INPUT_MOUSE is not set +CONFIG_INPUT_JOYSTICK=y +# CONFIG_JOYSTICK_ANALOG is not set +# CONFIG_JOYSTICK_A3D is not set +# CONFIG_JOYSTICK_ADI is not set +# CONFIG_JOYSTICK_COBRA is not set +# CONFIG_JOYSTICK_GF2K is not set +# CONFIG_JOYSTICK_GRIP is not set +# CONFIG_JOYSTICK_GRIP_MP is not set +# CONFIG_JOYSTICK_GUILLEMOT is not set +# CONFIG_JOYSTICK_INTERACT is not set +# CONFIG_JOYSTICK_SIDEWINDER is not set +# CONFIG_JOYSTICK_TMDC is not set +# CONFIG_JOYSTICK_IFORCE is not set +# CONFIG_JOYSTICK_WARRIOR is not set +# CONFIG_JOYSTICK_MAGELLAN is not set +# CONFIG_JOYSTICK_SPACEORB is not set +# CONFIG_JOYSTICK_SPACEBALL is not set +# CONFIG_JOYSTICK_STINGER is not set +# CONFIG_JOYSTICK_TWIDJOY is not set +# CONFIG_JOYSTICK_ZHENHUA is not set +# CONFIG_JOYSTICK_JOYDUMP is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +# CONFIG_SERIO_I8042 is not set +# CONFIG_SERIO_SERPORT is not set +# CONFIG_SERIO_LIBPS2 is not set +# CONFIG_SERIO_RAW is not set +# CONFIG_SERIO_XILINX_XPS_PS2 is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +# CONFIG_DEVKMEM is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=64 +# CONFIG_HVC_UDBG is not set +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +# CONFIG_I2C is not set +# CONFIG_SPI is not set + +# +# PPS support +# +# CONFIG_PPS is not set +CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y +# CONFIG_GPIOLIB is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_REGULATOR is not set +# CONFIG_MEDIA_SUPPORT is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +# CONFIG_FB_CFB_FILLRECT is not set +# CONFIG_FB_CFB_COPYAREA is not set +# CONFIG_FB_CFB_IMAGEBLIT is not set +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_OF is not set +# CONFIG_FB_VGA16 is not set +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_IBM_GXT4500 is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +# CONFIG_FONTS is not set +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +# CONFIG_LOGO_LINUX_CLUT224 is not set +CONFIG_SOUND=y +CONFIG_SOUND_OSS_CORE=y +CONFIG_SOUND_OSS_CORE_PRECLAIM=y +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_SEQUENCER=y +# CONFIG_SND_SEQ_DUMMY is not set +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=y +CONFIG_SND_PCM_OSS=y +CONFIG_SND_PCM_OSS_PLUGINS=y +CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +# CONFIG_SND_VERBOSE_PROCFS is not set +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_VIRMIDI is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_PPC=y +# CONFIG_SND_SOC is not set +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HIDRAW is not set +# CONFIG_HID_PID is not set + +# +# Special HID drivers +# +# CONFIG_USB_SUPPORT is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_EDAC is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_GENERIC=y +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set + +# +# TI VLYNQ +# +# CONFIG_STAGING is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +# CONFIG_EXT3_FS_XATTR is not set +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +CONFIG_ISO9660_FS=y +CONFIG_JOLIET=y +# CONFIG_ZISOFS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +# CONFIG_PROC_PAGE_MONITOR is not set +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +CONFIG_CIFS=y +# CONFIG_CIFS_STATS is not set +# CONFIG_CIFS_WEAK_PW_HASH is not set +# CONFIG_CIFS_XATTR is not set +# CONFIG_CIFS_DEBUG2 is not set +# CONFIG_CIFS_EXPERIMENTAL is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set +CONFIG_BINARY_PRINTF=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_CRC_CCITT=y +# CONFIG_CRC16 is not set +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_HAVE_LMB=y +CONFIG_NLATTR=y +CONFIG_GENERIC_ATOMIC64=y + +# +# Kernel hacking +# +CONFIG_PRINTK_TIME=y +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_STRIP_ASM_SYMS is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +# CONFIG_DETECT_HUNG_TASK is not set +CONFIG_SCHED_DEBUG=y +CONFIG_SCHEDSTATS=y +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_KMEMLEAK is not set +CONFIG_DEBUG_PREEMPT=y +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +CONFIG_DEBUG_SPINLOCK=y +CONFIG_DEBUG_MUTEXES=y +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +CONFIG_DEBUG_SPINLOCK_SLEEP=y +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_DEBUG_CREDENTIALS is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set +# CONFIG_FAULT_INJECTION is not set +CONFIG_LATENCYTOP=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +# CONFIG_DEBUG_PAGEALLOC is not set +CONFIG_NOP_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_TRACER_MAX_TRACE=y +CONFIG_RING_BUFFER=y +CONFIG_EVENT_TRACING=y +CONFIG_CONTEXT_SWITCH_TRACER=y +CONFIG_TRACING=y +CONFIG_GENERIC_TRACER=y +CONFIG_TRACING_SUPPORT=y +CONFIG_FTRACE=y +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +CONFIG_SCHED_TRACER=y +CONFIG_BOOT_TRACER=y +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_FTRACE_STARTUP_TEST is not set +# CONFIG_RING_BUFFER_BENCHMARK is not set +# CONFIG_DYNAMIC_DEBUG is not set +CONFIG_DMA_API_DEBUG=y +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_PPC_DISABLE_WERROR is not set +CONFIG_PPC_WERROR=y +CONFIG_PRINT_STACK_DEPTH=64 +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_PPC_EMULATED_STATS is not set +# CONFIG_CODE_PATCHING_SELFTEST is not set +# CONFIG_FTR_FIXUP_SELFTEST is not set +# CONFIG_MSI_BITMAP_SELFTEST is not set +# CONFIG_XMON is not set +# CONFIG_IRQSTACKS is not set +# CONFIG_VIRQ_DEBUG is not set +# CONFIG_BDI_SWITCH is not set +# CONFIG_BOOTX_TEXT is not set +CONFIG_PPC_EARLY_DEBUG=y +# CONFIG_PPC_EARLY_DEBUG_LPAR is not set +# CONFIG_PPC_EARLY_DEBUG_G5 is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS_PANEL is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE is not set +# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set +# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set +# CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set +# CONFIG_PPC_EARLY_DEBUG_BEAT is not set +# CONFIG_PPC_EARLY_DEBUG_44x is not set +# CONFIG_PPC_EARLY_DEBUG_40x is not set +# CONFIG_PPC_EARLY_DEBUG_CPM is not set +CONFIG_PPC_EARLY_DEBUG_USBGECKO=y + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +# CONFIG_CRYPTO is not set +# CONFIG_PPC_CLOCK is not set +# CONFIG_VIRTUALIZATION is not set diff --git a/arch/powerpc/configs/wii_defconfig b/arch/powerpc/configs/wii_defconfig new file mode 100644 index 0000000..c386828 --- /dev/null +++ b/arch/powerpc/configs/wii_defconfig @@ -0,0 +1,1406 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.32-rc8 +# Sun Nov 22 20:37:21 2009 +# +# CONFIG_PPC64 is not set + +# +# Processor support +# +CONFIG_PPC_BOOK3S_32=y +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_PPC_BOOK3S=y +CONFIG_6xx=y +CONFIG_PPC_FPU=y +# CONFIG_ALTIVEC is not set +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_PPC_MM_SLICES is not set +CONFIG_PPC_HAVE_PMU_SUPPORT=y +CONFIG_PPC_PERF_CTRS=y +# CONFIG_SMP is not set +CONFIG_NOT_COHERENT_CACHE=y +CONFIG_PPC32=y +CONFIG_WORD_SIZE=32 +# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set +CONFIG_MMU=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set +# CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK is not set +CONFIG_IRQ_PER_CPU=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_GPIO=y +# CONFIG_ARCH_NO_VIRT_TO_BUS is not set +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_OF=y +# CONFIG_PPC_UDBG_16550 is not set +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +CONFIG_DTC=y +# CONFIG_DEFAULT_UIMAGE is not set +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="-wii" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=32 +# CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_TREE_RCU_TRACE is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_RELAY=y +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +# CONFIG_ELF_CORE is not set +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y + +# +# Kernel Performance Events And Counters +# +CONFIG_PERF_EVENTS=y +CONFIG_EVENT_PROFILE=y +CONFIG_PERF_COUNTERS=y +# CONFIG_DEBUG_PERF_USE_VMALLOC is not set +# CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_COMPAT_BRK=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +CONFIG_TRACEPOINTS=y +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_DMA_API_DEBUG=y + +# +# GCOV-based kernel profiling +# +# CONFIG_GCOV_KERNEL is not set +CONFIG_SLOW_WORK=y +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +CONFIG_LBDAF=y +CONFIG_BLK_DEV_BSG=y +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +# CONFIG_FREEZER is not set + +# +# Platform support +# +# CONFIG_PPC_CHRP is not set +# CONFIG_MPC5121_ADS is not set +# CONFIG_MPC5121_GENERIC is not set +# CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_PMAC is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PPC_82xx is not set +# CONFIG_PQ2ADS is not set +# CONFIG_PPC_83xx is not set +# CONFIG_PPC_86xx is not set +CONFIG_EMBEDDED6xx=y +# CONFIG_LINKSTATION is not set +# CONFIG_STORCENTER is not set +# CONFIG_MPC7448HPC2 is not set +# CONFIG_PPC_HOLLY is not set +# CONFIG_PPC_PRPMC2800 is not set +# CONFIG_PPC_C2K is not set +CONFIG_GAMECUBE_COMMON=y +CONFIG_USBGECKO_UDBG=y +CONFIG_FLIPPER_PIC=y +# CONFIG_GAMECUBE is not set +CONFIG_HLWD_PIC=y +CONFIG_STARLET_MINI=y +CONFIG_WII=y +# CONFIG_AMIGAONE is not set +# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set +# CONFIG_IPIC is not set +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_TAU is not set +# CONFIG_FSL_ULI1575 is not set +# CONFIG_SIMPLE_GPIO is not set + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +# CONFIG_SCHED_HRTICK is not set +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +CONFIG_BINFMT_ELF=y +# CONFIG_HAVE_AOUT is not set +CONFIG_BINFMT_MISC=m +# CONFIG_IOMMU_HELPER is not set +# CONFIG_SWIOTLB is not set +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set +CONFIG_MAX_ACTIVE_REGIONS=32 +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_MIGRATION is not set +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y +# CONFIG_KSM is not set +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_PPC_4K_PAGES=y +# CONFIG_PPC_16K_PAGES is not set +# CONFIG_PPC_64K_PAGES is not set +# CONFIG_PPC_256K_PAGES is not set +CONFIG_FORCE_MAX_ZONEORDER=11 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +CONFIG_EXTRA_TARGETS="" +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_ISA_DMA=y +# CONFIG_PCI is not set +# CONFIG_PCI_DOMAINS is not set +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set +# CONFIG_HAS_RAPIDIO is not set + +# +# Advanced setup +# +CONFIG_ADVANCED_OPTIONS=y +# CONFIG_LOWMEM_SIZE_BOOL is not set +CONFIG_LOWMEM_SIZE=0x30000000 +# CONFIG_PAGE_OFFSET_BOOL is not set +CONFIG_PAGE_OFFSET=0xc0000000 +# CONFIG_KERNEL_START_BOOL is not set +CONFIG_KERNEL_START=0xc0000000 +CONFIG_PHYSICAL_START=0x00000000 +# CONFIG_TASK_SIZE_BOOL is not set +CONFIG_TASK_SIZE=0xc0000000 +# CONFIG_CONSISTENT_SIZE_BOOL is not set +CONFIG_CONSISTENT_SIZE=0x00200000 +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +CONFIG_IP_PNP_RARP=y +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_RDS is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +# CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_NET_DROP_MONITOR is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +CONFIG_BT=y +CONFIG_BT_L2CAP=y +# CONFIG_BT_SCO is not set +CONFIG_BT_RFCOMM=y +# CONFIG_BT_RFCOMM_TTY is not set +CONFIG_BT_BNEP=y +CONFIG_BT_BNEP_MC_FILTER=y +# CONFIG_BT_BNEP_PROTO_FILTER is not set +CONFIG_BT_HIDP=y + +# +# Bluetooth device drivers +# +# CONFIG_BT_HCIBTSDIO is not set +# CONFIG_BT_HCIUART is not set +# CONFIG_BT_HCIVHCI is not set +# CONFIG_BT_MRVL is not set +# CONFIG_AF_RXRPC is not set +CONFIG_WIRELESS=y +CONFIG_CFG80211=y +# CONFIG_NL80211_TESTMODE is not set +# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set +# CONFIG_CFG80211_REG_DEBUG is not set +CONFIG_CFG80211_DEFAULT_PS=y +CONFIG_CFG80211_DEFAULT_PS_VALUE=1 +# CONFIG_CFG80211_DEBUGFS is not set +CONFIG_WIRELESS_OLD_REGULATORY=y +CONFIG_WIRELESS_EXT=y +CONFIG_WIRELESS_EXT_SYSFS=y +# CONFIG_LIB80211 is not set +CONFIG_MAC80211=y +# CONFIG_MAC80211_RC_PID is not set +CONFIG_MAC80211_RC_MINSTREL=y +# CONFIG_MAC80211_RC_DEFAULT_PID is not set +CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y +CONFIG_MAC80211_RC_DEFAULT="minstrel" +# CONFIG_MAC80211_MESH is not set +# CONFIG_MAC80211_LEDS is not set +# CONFIG_MAC80211_DEBUGFS is not set +# CONFIG_MAC80211_DEBUG_MENU is not set +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_DEVTMPFS is not set +# CONFIG_STANDALONE is not set +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set +CONFIG_OF_DEVICE=y +CONFIG_OF_GPIO=y +CONFIG_OF_I2C=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=2 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_BLK_DEV_HD is not set +CONFIG_MISC_DEVICES=y +# CONFIG_ICS932S401 is not set +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_ISL29003 is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_MAX6875 is not set +# CONFIG_EEPROM_93CX6 is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set +CONFIG_SCSI_MULTI_LUN=y +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_LIBFC is not set +# CONFIG_LIBFCOE is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +# CONFIG_MACINTOSH_DRIVERS is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +# CONFIG_PHYLIB is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_ETHOC is not set +# CONFIG_DNET is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_KS8842 is not set +# CONFIG_KS8851_MLL is not set +# CONFIG_XILINX_EMACLITE is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set +CONFIG_WLAN=y +# CONFIG_WLAN_PRE80211 is not set +CONFIG_WLAN_80211=y +# CONFIG_LIBERTAS is not set +# CONFIG_LIBERTAS_THINFIRM is not set +# CONFIG_MAC80211_HWSIM is not set +# CONFIG_P54_COMMON is not set +# CONFIG_ATH_COMMON is not set +# CONFIG_HOSTAP is not set +CONFIG_B43=y +CONFIG_B43_SDIO=y +CONFIG_B43_PIO=y +# CONFIG_B43_PHY_LP is not set +CONFIG_B43_DEBUG=y +# CONFIG_B43_FORCE_PIO is not set +# CONFIG_B43LEGACY is not set +# CONFIG_RT2X00 is not set +# CONFIG_WL12XX is not set +# CONFIG_IWM is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +CONFIG_INPUT_FF_MEMLESS=m +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_MOUSEDEV_SCREEN_X=640 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=480 +CONFIG_INPUT_JOYDEV=y +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ADP5588 is not set +# CONFIG_KEYBOARD_ATKBD is not set +# CONFIG_QT2160 is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_GPIO is not set +# CONFIG_KEYBOARD_MATRIX is not set +# CONFIG_KEYBOARD_MAX7359 is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +CONFIG_INPUT_MOUSE=y +# CONFIG_MOUSE_PS2 is not set +# CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_VSXXXAA is not set +# CONFIG_MOUSE_GPIO is not set +# CONFIG_MOUSE_SYNAPTICS_I2C is not set +CONFIG_INPUT_JOYSTICK=y +# CONFIG_JOYSTICK_ANALOG is not set +# CONFIG_JOYSTICK_A3D is not set +# CONFIG_JOYSTICK_ADI is not set +# CONFIG_JOYSTICK_COBRA is not set +# CONFIG_JOYSTICK_GF2K is not set +# CONFIG_JOYSTICK_GRIP is not set +# CONFIG_JOYSTICK_GRIP_MP is not set +# CONFIG_JOYSTICK_GUILLEMOT is not set +# CONFIG_JOYSTICK_INTERACT is not set +# CONFIG_JOYSTICK_SIDEWINDER is not set +# CONFIG_JOYSTICK_TMDC is not set +# CONFIG_JOYSTICK_IFORCE is not set +# CONFIG_JOYSTICK_WARRIOR is not set +# CONFIG_JOYSTICK_MAGELLAN is not set +# CONFIG_JOYSTICK_SPACEORB is not set +# CONFIG_JOYSTICK_SPACEBALL is not set +# CONFIG_JOYSTICK_STINGER is not set +# CONFIG_JOYSTICK_TWIDJOY is not set +# CONFIG_JOYSTICK_ZHENHUA is not set +# CONFIG_JOYSTICK_JOYDUMP is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_MISC=y +CONFIG_INPUT_UINPUT=y +# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +# CONFIG_SERIO_I8042 is not set +# CONFIG_SERIO_SERPORT is not set +# CONFIG_SERIO_LIBPS2 is not set +# CONFIG_SERIO_RAW is not set +# CONFIG_SERIO_XILINX_XPS_PS2 is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +# CONFIG_DEVKMEM is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=64 +# CONFIG_HVC_UDBG is not set +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +CONFIG_NVRAM=y +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_COMPAT=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y +CONFIG_I2C_ALGOBIT=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +CONFIG_I2C_GPIO=y +# CONFIG_I2C_MPC is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +# CONFIG_SPI is not set + +# +# PPS support +# +# CONFIG_PPS is not set +CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +CONFIG_GPIO_SYSFS=y + +# +# Memory mapped GPIO expanders: +# +# CONFIG_GPIO_XILINX is not set + +# +# I2C GPIO expanders: +# +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +# CONFIG_GPIO_PCF857X is not set + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# + +# +# AC97 GPIO expanders: +# +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +CONFIG_SSB=y +CONFIG_SSB_BLOCKIO=y +CONFIG_SSB_SDIOHOST_POSSIBLE=y +CONFIG_SSB_SDIOHOST=y +# CONFIG_SSB_SILENT is not set +CONFIG_SSB_DEBUG=y + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_TPS65010 is not set +# CONFIG_TWL4030_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM831X is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_PCF50633 is not set +# CONFIG_AB3100_CORE is not set +# CONFIG_REGULATOR is not set +# CONFIG_MEDIA_SUPPORT is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +# CONFIG_FB_CFB_FILLRECT is not set +# CONFIG_FB_CFB_COPYAREA is not set +# CONFIG_FB_CFB_IMAGEBLIT is not set +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_OF is not set +# CONFIG_FB_VGA16 is not set +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_IBM_GXT4500 is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +# CONFIG_FONTS is not set +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y +# CONFIG_LOGO is not set +CONFIG_SOUND=y +CONFIG_SOUND_OSS_CORE=y +CONFIG_SOUND_OSS_CORE_PRECLAIM=y +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_SEQUENCER=y +# CONFIG_SND_SEQ_DUMMY is not set +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=y +CONFIG_SND_PCM_OSS=y +CONFIG_SND_PCM_OSS_PLUGINS=y +CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +# CONFIG_SND_VERBOSE_PROCFS is not set +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_VIRMIDI is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_PPC=y +# CONFIG_SND_SOC is not set +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HIDRAW is not set +# CONFIG_HID_PID is not set + +# +# Special HID drivers +# +CONFIG_HID_APPLE=m +CONFIG_HID_WACOM=m +CONFIG_USB_SUPPORT=y +# CONFIG_USB_ARCH_HAS_HCD is not set +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set + +# +# Enable Host or Gadget support to see Inventra options +# + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# +# CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD/SDIO Card Drivers +# +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +# CONFIG_SDIO_UART is not set +# CONFIG_MMC_TEST is not set + +# +# MMC/SD/SDIO Host Controller Drivers +# +CONFIG_MMC_SDHCI=y +# CONFIG_MMC_SDHCI_OF is not set +# CONFIG_MMC_SDHCI_PLTFM is not set +# CONFIG_MMC_WBSD is not set +# CONFIG_MMC_AT91 is not set +# CONFIG_MMC_ATMELMCI is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_EDAC is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_GENERIC=y +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set + +# +# TI VLYNQ +# +# CONFIG_STAGING is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +# CONFIG_EXT3_FS_XATTR is not set +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +CONFIG_FUSE_FS=m +# CONFIG_CUSE is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +CONFIG_ISO9660_FS=y +CONFIG_JOLIET=y +# CONFIG_ZISOFS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +# CONFIG_PROC_PAGE_MONITOR is not set +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +CONFIG_CIFS=m +# CONFIG_CIFS_STATS is not set +# CONFIG_CIFS_WEAK_PW_HASH is not set +# CONFIG_CIFS_XATTR is not set +# CONFIG_CIFS_DEBUG2 is not set +# CONFIG_CIFS_EXPERIMENTAL is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set +CONFIG_BINARY_PRINTF=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_CRC_CCITT=y +CONFIG_CRC16=y +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_HAVE_LMB=y +CONFIG_NLATTR=y +CONFIG_GENERIC_ATOMIC64=y + +# +# Kernel hacking +# +CONFIG_PRINTK_TIME=y +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_STRIP_ASM_SYMS is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +# CONFIG_DETECT_HUNG_TASK is not set +CONFIG_SCHED_DEBUG=y +CONFIG_SCHEDSTATS=y +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_KMEMLEAK is not set +CONFIG_DEBUG_PREEMPT=y +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +CONFIG_DEBUG_SPINLOCK=y +CONFIG_DEBUG_MUTEXES=y +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +CONFIG_DEBUG_SPINLOCK_SLEEP=y +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_DEBUG_CREDENTIALS is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set +# CONFIG_FAULT_INJECTION is not set +CONFIG_LATENCYTOP=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +# CONFIG_DEBUG_PAGEALLOC is not set +CONFIG_NOP_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_TRACER_MAX_TRACE=y +CONFIG_RING_BUFFER=y +CONFIG_EVENT_TRACING=y +CONFIG_CONTEXT_SWITCH_TRACER=y +CONFIG_TRACING=y +CONFIG_GENERIC_TRACER=y +CONFIG_TRACING_SUPPORT=y +CONFIG_FTRACE=y +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +CONFIG_SCHED_TRACER=y +CONFIG_BOOT_TRACER=y +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +CONFIG_BLK_DEV_IO_TRACE=y +# CONFIG_FTRACE_STARTUP_TEST is not set +# CONFIG_RING_BUFFER_BENCHMARK is not set +# CONFIG_DYNAMIC_DEBUG is not set +CONFIG_DMA_API_DEBUG=y +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_PPC_DISABLE_WERROR is not set +CONFIG_PPC_WERROR=y +CONFIG_PRINT_STACK_DEPTH=64 +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_PPC_EMULATED_STATS is not set +# CONFIG_CODE_PATCHING_SELFTEST is not set +# CONFIG_FTR_FIXUP_SELFTEST is not set +# CONFIG_MSI_BITMAP_SELFTEST is not set +# CONFIG_XMON is not set +# CONFIG_IRQSTACKS is not set +# CONFIG_VIRQ_DEBUG is not set +# CONFIG_BDI_SWITCH is not set +# CONFIG_BOOTX_TEXT is not set +CONFIG_PPC_EARLY_DEBUG=y +# CONFIG_PPC_EARLY_DEBUG_LPAR is not set +# CONFIG_PPC_EARLY_DEBUG_G5 is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS_PANEL is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE is not set +# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set +# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set +# CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set +# CONFIG_PPC_EARLY_DEBUG_BEAT is not set +# CONFIG_PPC_EARLY_DEBUG_44x is not set +# CONFIG_PPC_EARLY_DEBUG_40x is not set +# CONFIG_PPC_EARLY_DEBUG_CPM is not set +CONFIG_PPC_EARLY_DEBUG_USBGECKO=y + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y +CONFIG_CRYPTO_AEAD2=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_PCOMP=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=y +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=y +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_VMAC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_GHASH is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +CONFIG_CRYPTO_AES=y +# CONFIG_CRYPTO_ANUBIS is not set +CONFIG_CRYPTO_ARC4=y +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +# CONFIG_PPC_CLOCK is not set +# CONFIG_VIRTUALIZATION is not set diff --git a/arch/powerpc/include/asm/asm-offsets.h b/arch/powerpc/include/asm/asm-offsets.h new file mode 100644 index 0000000..d370ee3 --- /dev/null +++ b/arch/powerpc/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/powerpc/include/asm/async_tx.h b/arch/powerpc/include/asm/async_tx.h new file mode 100644 index 0000000..8b2dc55 --- /dev/null +++ b/arch/powerpc/include/asm/async_tx.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2008-2009 DENX Software Engineering. + * + * Author: Yuri Tikhonov <yur@emcraft.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ +#ifndef _ASM_POWERPC_ASYNC_TX_H_ +#define _ASM_POWERPC_ASYNC_TX_H_ + +#if defined(CONFIG_440SPe) || defined(CONFIG_440SP) +extern struct dma_chan * +ppc440spe_async_tx_find_best_channel(enum dma_transaction_type cap, + struct page **dst_lst, int dst_cnt, struct page **src_lst, + int src_cnt, size_t src_sz); + +#define async_tx_find_channel(dep, cap, dst_lst, dst_cnt, src_lst, \ + src_cnt, src_sz) \ + ppc440spe_async_tx_find_best_channel(cap, dst_lst, dst_cnt, src_lst, \ + src_cnt, src_sz) +#else + +#define async_tx_find_channel(dep, type, dst, dst_count, src, src_count, len) \ + __async_tx_find_channel(dep, type) + +struct dma_chan * +__async_tx_find_channel(struct async_submit_ctl *submit, + enum dma_transaction_type tx_type); + +#endif + +#endif diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index ba667a383..ab9e402 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -25,6 +25,7 @@ #define flush_cache_vmap(start, end) do { } while (0) #define flush_cache_vunmap(start, end) do { } while (0) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *page); #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h index 24d79e3..0835eb9 100644 --- a/arch/powerpc/include/asm/cpm.h +++ b/arch/powerpc/include/asm/cpm.h @@ -3,8 +3,47 @@ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/errno.h> #include <linux/of.h> +/* + * USB Controller pram common to QE and CPM. + */ +struct usb_ctlr { + u8 usb_usmod; + u8 usb_usadr; + u8 usb_uscom; + u8 res1[1]; + __be16 usb_usep[4]; + u8 res2[4]; + __be16 usb_usber; + u8 res3[2]; + __be16 usb_usbmr; + u8 res4[1]; + u8 usb_usbs; + /* Fields down below are QE-only */ + __be16 usb_ussft; + u8 res5[2]; + __be16 usb_usfrn; + u8 res6[0x22]; +} __attribute__ ((packed)); + +/* + * Function code bits, usually generic to devices. + */ +#ifdef CONFIG_CPM1 +#define CPMFCR_GBL ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_TC2 ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_DTB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_BDB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#else +#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ +#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ +#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ +#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ +#endif +#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ + /* Opcodes common to CPM1 and CPM2 */ #define CPM_CR_INIT_TRX ((ushort)0x0000) @@ -93,13 +132,56 @@ typedef struct cpm_buf_desc { #define BD_I2C_START (0x0400) int cpm_muram_init(void); + +#if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) unsigned long cpm_muram_alloc(unsigned long size, unsigned long align); int cpm_muram_free(unsigned long offset); unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size); void __iomem *cpm_muram_addr(unsigned long offset); unsigned long cpm_muram_offset(void __iomem *addr); dma_addr_t cpm_muram_dma(void __iomem *addr); +#else +static inline unsigned long cpm_muram_alloc(unsigned long size, + unsigned long align) +{ + return -ENOSYS; +} + +static inline int cpm_muram_free(unsigned long offset) +{ + return -ENOSYS; +} + +static inline unsigned long cpm_muram_alloc_fixed(unsigned long offset, + unsigned long size) +{ + return -ENOSYS; +} + +static inline void __iomem *cpm_muram_addr(unsigned long offset) +{ + return NULL; +} + +static inline unsigned long cpm_muram_offset(void __iomem *addr) +{ + return -ENOSYS; +} + +static inline dma_addr_t cpm_muram_dma(void __iomem *addr) +{ + return 0; +} +#endif /* defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) */ + +#ifdef CONFIG_CPM int cpm_command(u32 command, u8 opcode); +#else +static inline int cpm_command(u32 command, u8 opcode) +{ + return -ENOSYS; +} +#endif /* CONFIG_CPM */ int cpm2_gpiochip_add32(struct device_node *np); diff --git a/arch/powerpc/include/asm/cpm1.h b/arch/powerpc/include/asm/cpm1.h index 7685ffd..81b0119 100644 --- a/arch/powerpc/include/asm/cpm1.h +++ b/arch/powerpc/include/asm/cpm1.h @@ -478,51 +478,6 @@ typedef struct iic { char res2[2]; /* Reserved */ } iic_t; -/* SPI parameter RAM. -*/ -typedef struct spi { - ushort spi_rbase; /* Rx Buffer descriptor base address */ - ushort spi_tbase; /* Tx Buffer descriptor base address */ - u_char spi_rfcr; /* Rx function code */ - u_char spi_tfcr; /* Tx function code */ - ushort spi_mrblr; /* Max receive buffer length */ - uint spi_rstate; /* Internal */ - uint spi_rdp; /* Internal */ - ushort spi_rbptr; /* Internal */ - ushort spi_rbc; /* Internal */ - uint spi_rxtmp; /* Internal */ - uint spi_tstate; /* Internal */ - uint spi_tdp; /* Internal */ - ushort spi_tbptr; /* Internal */ - ushort spi_tbc; /* Internal */ - uint spi_txtmp; /* Internal */ - uint spi_res; - ushort spi_rpbase; /* Relocation pointer */ - ushort spi_res2; -} spi_t; - -/* SPI Mode register. -*/ -#define SPMODE_LOOP ((ushort)0x4000) /* Loopback */ -#define SPMODE_CI ((ushort)0x2000) /* Clock Invert */ -#define SPMODE_CP ((ushort)0x1000) /* Clock Phase */ -#define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */ -#define SPMODE_REV ((ushort)0x0400) /* Reversed Data */ -#define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */ -#define SPMODE_EN ((ushort)0x0100) /* Enable */ -#define SPMODE_LENMSK ((ushort)0x00f0) /* character length */ -#define SPMODE_LEN4 ((ushort)0x0030) /* 4 bits per char */ -#define SPMODE_LEN8 ((ushort)0x0070) /* 8 bits per char */ -#define SPMODE_LEN16 ((ushort)0x00f0) /* 16 bits per char */ -#define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ - -/* SPIE fields */ -#define SPIE_MME 0x20 -#define SPIE_TXE 0x10 -#define SPIE_BSY 0x04 -#define SPIE_TXB 0x02 -#define SPIE_RXB 0x01 - /* * RISC Controller Configuration Register definitons */ diff --git a/arch/powerpc/include/asm/cpm2.h b/arch/powerpc/include/asm/cpm2.h index 990ff19..f42e9ba 100644 --- a/arch/powerpc/include/asm/cpm2.h +++ b/arch/powerpc/include/asm/cpm2.h @@ -124,14 +124,6 @@ static inline void cpm2_fastbrg(uint brg, uint rate, int div16) __cpm2_setbrg(brg, rate, CPM2_BRG_INT_CLK, div16, CPM_BRG_EXTC_INT); } -/* Function code bits, usually generic to devices. -*/ -#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ -#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ -#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ -#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ -#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ - /* Parameter RAM offsets from the base. */ #define PROFF_SCC1 ((uint)0x8000) @@ -654,45 +646,6 @@ typedef struct iic { uint iic_txtmp; /* Internal */ } iic_t; -/* SPI parameter RAM. -*/ -typedef struct spi { - ushort spi_rbase; /* Rx Buffer descriptor base address */ - ushort spi_tbase; /* Tx Buffer descriptor base address */ - u_char spi_rfcr; /* Rx function code */ - u_char spi_tfcr; /* Tx function code */ - ushort spi_mrblr; /* Max receive buffer length */ - uint spi_rstate; /* Internal */ - uint spi_rdp; /* Internal */ - ushort spi_rbptr; /* Internal */ - ushort spi_rbc; /* Internal */ - uint spi_rxtmp; /* Internal */ - uint spi_tstate; /* Internal */ - uint spi_tdp; /* Internal */ - ushort spi_tbptr; /* Internal */ - ushort spi_tbc; /* Internal */ - uint spi_txtmp; /* Internal */ - uint spi_res; /* Tx temp. */ - uint spi_res1[4]; /* SDMA temp. */ -} spi_t; - -/* SPI Mode register. -*/ -#define SPMODE_LOOP ((ushort)0x4000) /* Loopback */ -#define SPMODE_CI ((ushort)0x2000) /* Clock Invert */ -#define SPMODE_CP ((ushort)0x1000) /* Clock Phase */ -#define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */ -#define SPMODE_REV ((ushort)0x0400) /* Reversed Data */ -#define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */ -#define SPMODE_EN ((ushort)0x0100) /* Enable */ -#define SPMODE_LENMSK ((ushort)0x00f0) /* character length */ -#define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ - -#define SPMODE_LEN(x) ((((x)-1)&0xF)<<4) -#define SPMODE_PM(x) ((x) &0xF) - -#define SPI_EB ((u_char)0x10) /* big endian byte order */ - /* IDMA parameter RAM */ typedef struct idma { diff --git a/arch/powerpc/include/asm/dcr-regs.h b/arch/powerpc/include/asm/dcr-regs.h index 828e3aa..380274d 100644 --- a/arch/powerpc/include/asm/dcr-regs.h +++ b/arch/powerpc/include/asm/dcr-regs.h @@ -157,4 +157,27 @@ #define L2C_SNP_SSR_32G 0x0000f000 #define L2C_SNP_ESR 0x00000800 +/* + * DCR register offsets for 440SP/440SPe I2O/DMA controller. + * The base address is configured in the device tree. + */ +#define DCRN_I2O0_IBAL 0x006 +#define DCRN_I2O0_IBAH 0x007 +#define I2O_REG_ENABLE 0x00000001 /* Enable I2O/DMA access */ + +/* 440SP/440SPe Software Reset DCR */ +#define DCRN_SDR0_SRST 0x0200 +#define DCRN_SDR0_SRST_I2ODMA (0x80000000 >> 15) /* Reset I2O/DMA */ + +/* 440SP/440SPe Memory Queue DCR offsets */ +#define DCRN_MQ0_XORBA 0x04 +#define DCRN_MQ0_CF2H 0x06 +#define DCRN_MQ0_CFBHL 0x0f +#define DCRN_MQ0_BAUH 0x10 + +/* HB/LL Paths Configuration Register */ +#define MQ0_CFBHL_TPLM 28 +#define MQ0_CFBHL_HBCL 23 +#define MQ0_CFBHL_POLY 15 + #endif /* __DCR_REGS_H__ */ diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index e281dae..80a973b 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -197,7 +197,7 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) if (!dev->dma_mask) return 0; - return addr + size <= *dev->dma_mask; + return addr + size - 1 <= *dev->dma_mask; } static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index 014a624..17828ad 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -170,7 +170,6 @@ typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG]; #define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) #define compat_elf_check_arch(x) ((x)->e_machine == EM_PPC) -#define USE_ELF_CORE_DUMP #define CORE_DUMP_USE_REGSET #define ELF_EXEC_PAGESIZE PAGE_SIZE diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index a98653b..57c4000 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -147,6 +147,7 @@ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ + DO_KVM n; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common) @@ -170,6 +171,7 @@ label##_pSeries: \ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ + DO_KVM n; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ mfspr r13,SPRN_SPRG_PACA; /* get paca address into r13 */ \ std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \ diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h index f1f4e23..5c2c023 100644 --- a/arch/powerpc/include/asm/fixmap.h +++ b/arch/powerpc/include/asm/fixmap.h @@ -44,6 +44,9 @@ */ enum fixed_addresses { FIX_HOLE, + /* reserve the top 128K for early debugging purposes */ + FIX_EARLY_DEBUG_TOP = FIX_HOLE, + FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+((128*1024)/PAGE_SIZE)-1, #ifdef CONFIG_HIGHMEM FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index b1dafb6..5856a66 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -3,6 +3,10 @@ #include <asm/page.h> +pte_t *huge_pte_offset_and_shift(struct mm_struct *mm, + unsigned long addr, unsigned *shift); + +void flush_dcache_icache_hugepage(struct page *page); int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len); @@ -11,12 +15,6 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, unsigned long ceiling); -void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte); - -pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep); - /* * The version of vma_mmu_pagesize() in arch/powerpc/mm/hugetlbpage.c needs * to override the version in mm/hugetlb.c @@ -42,9 +40,26 @@ static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) { } + +static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + set_pte_at(mm, addr, ptep, pte); +} + +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + unsigned long old = pte_update(mm, addr, ptep, ~0UL, 1); + return __pte(old); +} + static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { + pte_t pte; + pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); + flush_tlb_page(vma, addr); } static inline int huge_pte_none(pte_t pte) diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index c27caac..f027581 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -212,6 +212,19 @@ #define H_QUERY_INT_STATE 0x1E4 #define H_POLL_PENDING 0x1D8 #define H_ILLAN_ATTRIBUTES 0x244 +#define H_MODIFY_HEA_QP 0x250 +#define H_QUERY_HEA_QP 0x254 +#define H_QUERY_HEA 0x258 +#define H_QUERY_HEA_PORT 0x25C +#define H_MODIFY_HEA_PORT 0x260 +#define H_REG_BCMC 0x264 +#define H_DEREG_BCMC 0x268 +#define H_REGISTER_HEA_RPAGES 0x26C +#define H_DISABLE_AND_GET_HEA 0x270 +#define H_GET_HEA_INFO 0x274 +#define H_ALLOC_HEA_RESOURCE 0x278 +#define H_ADD_CONN 0x284 +#define H_DEL_CONN 0x288 #define H_JOIN 0x298 #define H_VASI_STATE 0x2A4 #define H_ENABLE_CRQ 0x2B0 diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index abbc2aa..9f4c9d4f 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -64,11 +64,6 @@ extern void iseries_handle_interrupts(void); get_paca()->hard_enabled = 0; \ } while(0) -static inline int irqs_disabled_flags(unsigned long flags) -{ - return flags == 0; -} - #else #if defined(CONFIG_BOOKE) diff --git a/arch/powerpc/include/asm/immap_cpm2.h b/arch/powerpc/include/asm/immap_cpm2.h index d4f069b..7c64fda 100644 --- a/arch/powerpc/include/asm/immap_cpm2.h +++ b/arch/powerpc/include/asm/immap_cpm2.h @@ -549,7 +549,7 @@ typedef struct comm_proc { /* USB Controller. */ -typedef struct usb_ctlr { +typedef struct cpm_usb_ctlr { u8 usb_usmod; u8 usb_usadr; u8 usb_uscom; diff --git a/arch/powerpc/include/asm/immap_qe.h b/arch/powerpc/include/asm/immap_qe.h index c346d0b..4e10f50 100644 --- a/arch/powerpc/include/asm/immap_qe.h +++ b/arch/powerpc/include/asm/immap_qe.h @@ -210,7 +210,7 @@ struct sir { } __attribute__ ((packed)); /* USB Controller */ -struct usb_ctlr { +struct qe_usb_ctlr { u8 usb_usmod; u8 usb_usadr; u8 usb_uscom; @@ -229,7 +229,7 @@ struct usb_ctlr { } __attribute__ ((packed)); /* MCC */ -struct mcc { +struct qe_mcc { __be32 mcce; /* MCC event register */ __be32 mccm; /* MCC mask register */ __be32 mccf; /* MCC configuration register */ @@ -431,9 +431,9 @@ struct qe_immap { struct qe_mux qmx; /* QE Multiplexer */ struct qe_timers qet; /* QE Timers */ struct spi spi[0x2]; /* spi */ - struct mcc mcc; /* mcc */ + struct qe_mcc mcc; /* mcc */ struct qe_brg brg; /* brg */ - struct usb_ctlr usb; /* USB */ + struct qe_usb_ctlr usb; /* USB */ struct si1 si1; /* SI */ u8 res11[0x800]; struct sir sir; /* SI Routing Tables */ diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index bbcd1aa..e054bae 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -17,8 +17,6 @@ #include <asm/atomic.h> -#define get_irq_desc(irq) (&irq_desc[(irq)]) - /* Define a way to iterate across irqs. */ #define for_each_irq(i) \ for ((i) = 0; (i) < NR_IRQS; ++(i)) @@ -34,12 +32,15 @@ extern atomic_t ppc_n_lost_interrupts; */ #define NO_IRQ_IGNORE ((unsigned int)-1) -/* Total number of virq in the platform (make it a CONFIG_* option ? */ -#define NR_IRQS 512 +/* Total number of virq in the platform */ +#define NR_IRQS CONFIG_NR_IRQS /* Number of irqs reserved for the legacy controller */ #define NUM_ISA_INTERRUPTS 16 +/* Same thing, used by the generic IRQ code */ +#define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS + /* This type is the placeholder for a hardware interrupt number. It has to * be big enough to enclose whatever representation is used by a given * platform. @@ -99,7 +100,7 @@ struct irq_host_ops { * interrupt controller has for that line) */ int (*xlate)(struct irq_host *h, struct device_node *ctrler, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_type); }; @@ -313,7 +314,7 @@ extern void irq_free_virt(unsigned int virq, unsigned int count); * of the of_irq_map_*() functions. */ extern unsigned int irq_create_of_mapping(struct device_node *controller, - u32 *intspec, unsigned int intsize); + const u32 *intspec, unsigned int intsize); /** * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index bb2de6a..81f3b0b 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -46,6 +46,24 @@ struct kvm_regs { }; struct kvm_sregs { + __u32 pvr; + union { + struct { + __u64 sdr1; + struct { + struct { + __u64 slbe; + __u64 slbv; + } slb[64]; + } ppc64; + struct { + __u32 sr[16]; + __u64 ibat[8]; + __u64 dbat[8]; + } ppc32; + } s; + __u8 pad[1020]; + } u; }; struct kvm_fpu { diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h index 56bfae5..af2abe7 100644 --- a/arch/powerpc/include/asm/kvm_asm.h +++ b/arch/powerpc/include/asm/kvm_asm.h @@ -49,6 +49,46 @@ #define BOOKE_INTERRUPT_SPE_FP_ROUND 34 #define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35 +/* book3s */ + +#define BOOK3S_INTERRUPT_SYSTEM_RESET 0x100 +#define BOOK3S_INTERRUPT_MACHINE_CHECK 0x200 +#define BOOK3S_INTERRUPT_DATA_STORAGE 0x300 +#define BOOK3S_INTERRUPT_DATA_SEGMENT 0x380 +#define BOOK3S_INTERRUPT_INST_STORAGE 0x400 +#define BOOK3S_INTERRUPT_INST_SEGMENT 0x480 +#define BOOK3S_INTERRUPT_EXTERNAL 0x500 +#define BOOK3S_INTERRUPT_ALIGNMENT 0x600 +#define BOOK3S_INTERRUPT_PROGRAM 0x700 +#define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800 +#define BOOK3S_INTERRUPT_DECREMENTER 0x900 +#define BOOK3S_INTERRUPT_SYSCALL 0xc00 +#define BOOK3S_INTERRUPT_TRACE 0xd00 +#define BOOK3S_INTERRUPT_PERFMON 0xf00 +#define BOOK3S_INTERRUPT_ALTIVEC 0xf20 +#define BOOK3S_INTERRUPT_VSX 0xf40 + +#define BOOK3S_IRQPRIO_SYSTEM_RESET 0 +#define BOOK3S_IRQPRIO_DATA_SEGMENT 1 +#define BOOK3S_IRQPRIO_INST_SEGMENT 2 +#define BOOK3S_IRQPRIO_DATA_STORAGE 3 +#define BOOK3S_IRQPRIO_INST_STORAGE 4 +#define BOOK3S_IRQPRIO_ALIGNMENT 5 +#define BOOK3S_IRQPRIO_PROGRAM 6 +#define BOOK3S_IRQPRIO_FP_UNAVAIL 7 +#define BOOK3S_IRQPRIO_ALTIVEC 8 +#define BOOK3S_IRQPRIO_VSX 9 +#define BOOK3S_IRQPRIO_SYSCALL 10 +#define BOOK3S_IRQPRIO_MACHINE_CHECK 11 +#define BOOK3S_IRQPRIO_DEBUG 12 +#define BOOK3S_IRQPRIO_EXTERNAL 13 +#define BOOK3S_IRQPRIO_DECREMENTER 14 +#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR 15 +#define BOOK3S_IRQPRIO_MAX 16 + +#define BOOK3S_HFLAG_DCBZ32 0x1 +#define BOOK3S_HFLAG_SLB 0x2 + #define RESUME_FLAG_NV (1<<0) /* Reload guest nonvolatile state? */ #define RESUME_FLAG_HOST (1<<1) /* Resume host? */ diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h new file mode 100644 index 0000000..74b7369 --- /dev/null +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -0,0 +1,139 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#ifndef __ASM_KVM_BOOK3S_H__ +#define __ASM_KVM_BOOK3S_H__ + +#include <linux/types.h> +#include <linux/kvm_host.h> +#include <asm/kvm_ppc.h> + +struct kvmppc_slb { + u64 esid; + u64 vsid; + u64 orige; + u64 origv; + bool valid; + bool Ks; + bool Kp; + bool nx; + bool large; + bool class; +}; + +struct kvmppc_sr { + u32 raw; + u32 vsid; + bool Ks; + bool Kp; + bool nx; +}; + +struct kvmppc_bat { + u64 raw; + u32 bepi; + u32 bepi_mask; + bool vs; + bool vp; + u32 brpn; + u8 wimg; + u8 pp; +}; + +struct kvmppc_sid_map { + u64 guest_vsid; + u64 guest_esid; + u64 host_vsid; + bool valid; +}; + +#define SID_MAP_BITS 9 +#define SID_MAP_NUM (1 << SID_MAP_BITS) +#define SID_MAP_MASK (SID_MAP_NUM - 1) + +struct kvmppc_vcpu_book3s { + struct kvm_vcpu vcpu; + struct kvmppc_sid_map sid_map[SID_MAP_NUM]; + struct kvmppc_slb slb[64]; + struct { + u64 esid; + u64 vsid; + } slb_shadow[64]; + u8 slb_shadow_max; + struct kvmppc_sr sr[16]; + struct kvmppc_bat ibat[8]; + struct kvmppc_bat dbat[8]; + u64 hid[6]; + int slb_nr; + u64 sdr1; + u64 dsisr; + u64 hior; + u64 msr_mask; + u64 vsid_first; + u64 vsid_next; + u64 vsid_max; + int context_id; +}; + +#define CONTEXT_HOST 0 +#define CONTEXT_GUEST 1 +#define CONTEXT_GUEST_END 2 + +#define VSID_REAL 0xfffffffffff00000 +#define VSID_REAL_DR 0xffffffffffe00000 +#define VSID_REAL_IR 0xffffffffffd00000 +#define VSID_BAT 0xffffffffffc00000 +#define VSID_PR 0x8000000000000000 + +extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask); +extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); +extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end); +extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); +extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); +extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); +extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); +extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); +extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); +extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data); +extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data); +extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr); +extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec); +extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, + bool upper, u32 val); + +extern u32 kvmppc_trampoline_lowmem; +extern u32 kvmppc_trampoline_enter; + +static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) +{ + return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu); +} + +static inline ulong dsisr(void) +{ + ulong r; + asm ( "mfdsisr %0 " : "=r" (r) ); + return r; +} + +extern void kvm_return_point(void); + +#define INS_DCBZ 0x7c0007ec + +#endif /* __ASM_KVM_BOOK3S_H__ */ diff --git a/arch/powerpc/include/asm/kvm_book3s_64_asm.h b/arch/powerpc/include/asm/kvm_book3s_64_asm.h new file mode 100644 index 0000000..2e06ee8 --- /dev/null +++ b/arch/powerpc/include/asm/kvm_book3s_64_asm.h @@ -0,0 +1,58 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#ifndef __ASM_KVM_BOOK3S_ASM_H__ +#define __ASM_KVM_BOOK3S_ASM_H__ + +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER + +#include <asm/kvm_asm.h> + +.macro DO_KVM intno + .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ + (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ + (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ + (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ + (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ + (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ + (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ + (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ + (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ + (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ + (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ + (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ + (\intno == BOOK3S_INTERRUPT_TRACE) || \ + (\intno == BOOK3S_INTERRUPT_PERFMON) || \ + (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ + (\intno == BOOK3S_INTERRUPT_VSX) + + b kvmppc_trampoline_\intno +kvmppc_resume_\intno: + + .endif +.endm + +#else + +.macro DO_KVM intno +.endm + +#endif /* CONFIG_KVM_BOOK3S_64_HANDLER */ + +#endif /* __ASM_KVM_BOOK3S_ASM_H__ */ diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index c9c930e..1201f62 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -21,7 +21,8 @@ #define __POWERPC_KVM_HOST_H__ #include <linux/mutex.h> -#include <linux/timer.h> +#include <linux/hrtimer.h> +#include <linux/interrupt.h> #include <linux/types.h> #include <linux/kvm_types.h> #include <asm/kvm_asm.h> @@ -37,6 +38,8 @@ #define KVM_NR_PAGE_SIZES 1 #define KVM_PAGES_PER_HPAGE(x) (1UL<<31) +#define HPTEG_CACHE_NUM 1024 + struct kvm; struct kvm_run; struct kvm_vcpu; @@ -63,6 +66,17 @@ struct kvm_vcpu_stat { u32 dec_exits; u32 ext_intr_exits; u32 halt_wakeup; +#ifdef CONFIG_PPC64 + u32 pf_storage; + u32 pf_instruc; + u32 sp_storage; + u32 sp_instruc; + u32 queue_intr; + u32 ld; + u32 ld_slow; + u32 st; + u32 st_slow; +#endif }; enum kvm_exit_types { @@ -109,9 +123,53 @@ struct kvmppc_exit_timing { struct kvm_arch { }; +struct kvmppc_pte { + u64 eaddr; + u64 vpage; + u64 raddr; + bool may_read; + bool may_write; + bool may_execute; +}; + +struct kvmppc_mmu { + /* book3s_64 only */ + void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); + u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); + u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); + void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); + void (*slbia)(struct kvm_vcpu *vcpu); + /* book3s */ + void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); + u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); + int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data); + void (*reset_msr)(struct kvm_vcpu *vcpu); + void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); + int (*esid_to_vsid)(struct kvm_vcpu *vcpu, u64 esid, u64 *vsid); + u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); + bool (*is_dcbz32)(struct kvm_vcpu *vcpu); +}; + +struct hpte_cache { + u64 host_va; + u64 pfn; + ulong slot; + struct kvmppc_pte pte; +}; + struct kvm_vcpu_arch { - u32 host_stack; + ulong host_stack; u32 host_pid; +#ifdef CONFIG_PPC64 + ulong host_msr; + ulong host_r2; + void *host_retip; + ulong trampoline_lowmem; + ulong trampoline_enter; + ulong highmem_handler; + ulong host_paca_phys; + struct kvmppc_mmu mmu; +#endif u64 fpr[32]; ulong gpr[32]; @@ -123,6 +181,10 @@ struct kvm_vcpu_arch { ulong xer; ulong msr; +#ifdef CONFIG_PPC64 + ulong shadow_msr; + ulong hflags; +#endif u32 mmucr; ulong sprg0; ulong sprg1; @@ -149,6 +211,7 @@ struct kvm_vcpu_arch { u32 ivor[64]; ulong ivpr; u32 pir; + u32 pvr; u32 shadow_pid; u32 pid; @@ -174,6 +237,9 @@ struct kvm_vcpu_arch { #endif u32 last_inst; +#ifdef CONFIG_PPC64 + ulong fault_dsisr; +#endif ulong fault_dear; ulong fault_esr; gpa_t paddr_accessed; @@ -185,8 +251,15 @@ struct kvm_vcpu_arch { u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ - struct timer_list dec_timer; + struct hrtimer dec_timer; + struct tasklet_struct tasklet; + u64 dec_jiffies; unsigned long pending_exceptions; + +#ifdef CONFIG_PPC64 + struct hpte_cache hpte_cache[HPTEG_CACHE_NUM]; + int hpte_cache_offset; +#endif }; #endif /* __POWERPC_KVM_HOST_H__ */ diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 2c6ee349..269ee46 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -39,6 +39,7 @@ enum emulation_result { extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); extern char kvmppc_handlers_start[]; extern unsigned long kvmppc_handler_len; +extern void kvmppc_handler_highmem(void); extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index f78f65c..14b592d 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -100,7 +100,14 @@ struct lppaca { // Used to pass parms from the OS to PLIC for SetAsrAndRfid u64 saved_gpr3; // Saved GPR3 x20-x27 u64 saved_gpr4; // Saved GPR4 x28-x2F - u64 saved_gpr5; // Saved GPR5 x30-x37 + union { + u64 saved_gpr5; /* Saved GPR5 x30-x37 */ + struct { + u8 cede_latency_hint; /* x30 */ + u8 reserved[7]; /* x31-x36 */ + } fields; + } gpr5_dword; + u8 dtl_enable_mask; // Dispatch Trace Log mask x38-x38 u8 donate_dedicated_cpu; // Donate dedicated CPU cycles x39-x39 diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 9efa2be..9f0fc9e 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -266,6 +266,11 @@ struct machdep_calls { void (*suspend_disable_irqs)(void); void (*suspend_enable_irqs)(void); #endif + +#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE + ssize_t (*cpu_probe)(const char *, size_t); + ssize_t (*cpu_release)(const char *, size_t); +#endif }; extern void e500_idle(void); diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h index 079c06e..a062c57 100644 --- a/arch/powerpc/include/asm/macio.h +++ b/arch/powerpc/include/asm/macio.h @@ -39,6 +39,7 @@ struct macio_dev struct macio_bus *bus; /* macio bus this device is on */ struct macio_dev *media_bay; /* Device is part of a media bay */ struct of_device ofdev; + struct device_dma_parameters dma_parms; /* ide needs that */ int n_resources; struct resource resource[MACIO_DEV_COUNT_RESOURCES]; int n_interrupts; @@ -78,6 +79,8 @@ static inline unsigned long macio_resource_len(struct macio_dev *dev, int resour return res->end - res->start + 1; } +extern int macio_enable_devres(struct macio_dev *dev); + extern int macio_request_resource(struct macio_dev *dev, int resource_no, const char *name); extern void macio_release_resource(struct macio_dev *dev, int resource_no); extern int macio_request_resources(struct macio_dev *dev, const char *name); @@ -131,6 +134,9 @@ struct macio_driver int (*resume)(struct macio_dev* dev); int (*shutdown)(struct macio_dev* dev); +#ifdef CONFIG_PMAC_MEDIABAY + void (*mediabay_event)(struct macio_dev* dev, int mb_state); +#endif struct device_driver driver; }; #define to_macio_driver(drv) container_of(drv,struct macio_driver, driver) diff --git a/arch/powerpc/include/asm/mediabay.h b/arch/powerpc/include/asm/mediabay.h index b2efb33..11037a4 100644 --- a/arch/powerpc/include/asm/mediabay.h +++ b/arch/powerpc/include/asm/mediabay.h @@ -17,26 +17,31 @@ #define MB_POWER 6 /* media bay contains a Power device (???) */ #define MB_NO 7 /* media bay contains nothing */ -/* Number of bays in the machine or 0 */ -extern int media_bay_count; +struct macio_dev; -#ifdef CONFIG_BLK_DEV_IDE_PMAC -#include <linux/ide.h> +#ifdef CONFIG_PMAC_MEDIABAY -int check_media_bay_by_base(unsigned long base, int what); -/* called by IDE PMAC host driver to register IDE controller for media bay */ -int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base, - int irq, ide_hwif_t *hwif); +/* Check the content type of the bay, returns MB_NO if the bay is still + * transitionning + */ +extern int check_media_bay(struct macio_dev *bay); -int check_media_bay(struct device_node *which_bay, int what); +/* The ATA driver uses the calls below to temporarily hold on the + * media bay callbacks while initializing the interface + */ +extern void lock_media_bay(struct macio_dev *bay); +extern void unlock_media_bay(struct macio_dev *bay); #else -static inline int check_media_bay(struct device_node *which_bay, int what) +static inline int check_media_bay(struct macio_dev *bay) { - return -ENODEV; + return MB_NO; } +static inline void lock_media_bay(struct macio_dev *bay) { } +static inline void unlock_media_bay(struct macio_dev *bay) { } + #endif #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index bebe31c..2102b21 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -173,14 +173,6 @@ extern unsigned long tce_alloc_start, tce_alloc_end; */ extern int mmu_ci_restrictions; -#ifdef CONFIG_HUGETLB_PAGE -/* - * The page size indexes of the huge pages for use by hugetlbfs - */ -extern unsigned int mmu_huge_psizes[MMU_PAGE_COUNT]; - -#endif /* CONFIG_HUGETLB_PAGE */ - /* * This function sets the AVPN and L fields of the HPTE appropriately * for the page size @@ -253,10 +245,11 @@ extern int __hash_page_64K(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, unsigned int local, int ssize); struct mm_struct; +unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap); extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); -extern int hash_huge_page(struct mm_struct *mm, unsigned long access, - unsigned long ea, unsigned long vsid, int local, - unsigned long trap); +int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, + pte_t *ptep, unsigned long trap, int local, int ssize, + unsigned int shift, unsigned int mmu_psize); extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend, unsigned long pstart, unsigned long prot, @@ -380,6 +373,38 @@ extern void slb_set_size(u16 size); #ifndef __ASSEMBLY__ +#ifdef CONFIG_PPC_SUBPAGE_PROT +/* + * For the sub-page protection option, we extend the PGD with one of + * these. Basically we have a 3-level tree, with the top level being + * the protptrs array. To optimize speed and memory consumption when + * only addresses < 4GB are being protected, pointers to the first + * four pages of sub-page protection words are stored in the low_prot + * array. + * Each page of sub-page protection words protects 1GB (4 bytes + * protects 64k). For the 3-level tree, each page of pointers then + * protects 8TB. + */ +struct subpage_prot_table { + unsigned long maxaddr; /* only addresses < this are protected */ + unsigned int **protptrs[2]; + unsigned int *low_prot[4]; +}; + +#define SBP_L1_BITS (PAGE_SHIFT - 2) +#define SBP_L2_BITS (PAGE_SHIFT - 3) +#define SBP_L1_COUNT (1 << SBP_L1_BITS) +#define SBP_L2_COUNT (1 << SBP_L2_BITS) +#define SBP_L2_SHIFT (PAGE_SHIFT + SBP_L1_BITS) +#define SBP_L3_SHIFT (SBP_L2_SHIFT + SBP_L2_BITS) + +extern void subpage_prot_free(struct mm_struct *mm); +extern void subpage_prot_init_new_context(struct mm_struct *mm); +#else +static inline void subpage_prot_free(struct mm_struct *mm) {} +static inline void subpage_prot_init_new_context(struct mm_struct *mm) { } +#endif /* CONFIG_PPC_SUBPAGE_PROT */ + typedef unsigned long mm_context_id_t; typedef struct { @@ -393,6 +418,9 @@ typedef struct { u16 sllp; /* SLB page size encoding */ #endif unsigned long vdso_base; +#ifdef CONFIG_PPC_SUBPAGE_PROT + struct subpage_prot_table spt; +#endif /* CONFIG_PPC_SUBPAGE_PROT */ } mm_context_t; diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index b34e94d..26383e0 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -23,6 +23,8 @@ extern void switch_slb(struct task_struct *tsk, struct mm_struct *mm); extern void set_context(unsigned long id, pgd_t *pgd); #ifdef CONFIG_PPC_BOOK3S_64 +extern int __init_new_context(void); +extern void __destroy_context(int context_id); static inline void mmu_context_init(void) { } #else extern void mmu_context_init(void); diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h index 0845488..0192a4e 100644 --- a/arch/powerpc/include/asm/module.h +++ b/arch/powerpc/include/asm/module.h @@ -87,5 +87,10 @@ struct exception_table_entry; void sort_ex_table(struct exception_table_entry *start, struct exception_table_entry *finish); +#ifdef CONFIG_MODVERSIONS +#define ARCH_RELOCATES_KCRCTAB + +extern const unsigned long reloc_start[]; +#endif #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_MODULE_H */ diff --git a/arch/powerpc/include/asm/mpc52xx.h b/arch/powerpc/include/asm/mpc52xx.h index 1b4f697..b664ce7 100644 --- a/arch/powerpc/include/asm/mpc52xx.h +++ b/arch/powerpc/include/asm/mpc52xx.h @@ -276,6 +276,53 @@ extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv); extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node); extern void mpc52xx_restart(char *cmd); +/* mpc52xx_gpt.c */ +struct mpc52xx_gpt_priv; +extern struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq); +extern int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period, + int continuous); +extern u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt); +extern int mpc52xx_gpt_stop_timer(struct mpc52xx_gpt_priv *gpt); + +/* mpc52xx_lpbfifo.c */ +#define MPC52XX_LPBFIFO_FLAG_READ (0) +#define MPC52XX_LPBFIFO_FLAG_WRITE (1<<0) +#define MPC52XX_LPBFIFO_FLAG_NO_INCREMENT (1<<1) +#define MPC52XX_LPBFIFO_FLAG_NO_DMA (1<<2) +#define MPC52XX_LPBFIFO_FLAG_POLL_DMA (1<<3) + +struct mpc52xx_lpbfifo_request { + struct list_head list; + + /* localplus bus address */ + unsigned int cs; + size_t offset; + + /* Memory address */ + void *data; + phys_addr_t data_phys; + + /* Details of transfer */ + size_t size; + size_t pos; /* current position of transfer */ + int flags; + + /* What to do when finished */ + void (*callback)(struct mpc52xx_lpbfifo_request *); + + void *priv; /* Driver private data */ + + /* statistics */ + int irq_count; + int irq_ticks; + u8 last_byte; + int buffer_not_done_cnt; +}; + +extern int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req); +extern void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req); +extern void mpc52xx_lpbfifo_poll(void); + /* mpc52xx_pic.c */ extern void mpc52xx_init_irq(void); extern unsigned int mpc52xx_get_irq(void); diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index 6c587ed..850b72f 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -73,7 +73,6 @@ extern int nvram_write_error_log(char * buff, int length, extern int nvram_read_error_log(char * buff, int length, unsigned int * err_type, unsigned int *err_seq); extern int nvram_clear_error_log(void); -extern struct nvram_partition *nvram_find_partition(int sig, const char *name); extern int pSeries_nvram_init(void); diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h index e482e53..d4b4bfa 100644 --- a/arch/powerpc/include/asm/pSeries_reconfig.h +++ b/arch/powerpc/include/asm/pSeries_reconfig.h @@ -17,6 +17,7 @@ #ifdef CONFIG_PPC_PSERIES extern int pSeries_reconfig_notifier_register(struct notifier_block *); extern void pSeries_reconfig_notifier_unregister(struct notifier_block *); +extern struct blocking_notifier_head pSeries_reconfig_chain; #else /* !CONFIG_PPC_PSERIES */ static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb) { diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 7d8514c..5e9b4ef 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -129,6 +129,15 @@ struct paca_struct { u64 system_time; /* accumulated system TB ticks */ u64 startpurr; /* PURR/TB value snapshot */ u64 startspurr; /* SPURR value snapshot */ + +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER + struct { + u64 esid; + u64 vsid; + } kvm_slb[64]; /* guest SLB */ + u8 kvm_slb_max; /* highest used guest slb entry */ + u8 kvm_in_guest; /* are we inside the guest? */ +#endif }; extern struct paca_struct paca[]; diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index ff24254..e96d52a 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -229,6 +229,20 @@ typedef unsigned long pgprot_t; #endif +typedef struct { signed long pd; } hugepd_t; +#define HUGEPD_SHIFT_MASK 0x3f + +#ifdef CONFIG_HUGETLB_PAGE +static inline int hugepd_ok(hugepd_t hpd) +{ + return (hpd.pd > 0); +} + +#define is_hugepd(pdep) (hugepd_ok(*((hugepd_t *)(pdep)))) +#else /* CONFIG_HUGETLB_PAGE */ +#define is_hugepd(pdep) 0 +#endif /* CONFIG_HUGETLB_PAGE */ + struct page; extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); extern void copy_user_page(void *to, void *from, unsigned long vaddr, diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 3f17b83..bfc4e02 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -90,7 +90,7 @@ extern unsigned int HPAGE_SHIFT; #define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) -#define HUGE_MAX_HSTATE 3 +#define HUGE_MAX_HSTATE (MMU_PAGE_COUNT-1) #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h index c9500d6..580cf73 100644 --- a/arch/powerpc/include/asm/pgalloc-32.h +++ b/arch/powerpc/include/asm/pgalloc-32.h @@ -3,7 +3,8 @@ #include <linux/threads.h> -#define PTE_NONCACHE_NUM 0 /* dummy for now to share code w/ppc64 */ +/* For 32-bit, all levels of page tables are just drawn from get_free_page() */ +#define MAX_PGTABLE_INDEX_SIZE 0 extern void __bad_pte(pmd_t *pmd); @@ -36,11 +37,10 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr); -static inline void pgtable_free(pgtable_free_t pgf) +static inline void pgtable_free(void *table, unsigned index_size) { - void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); - - free_page((unsigned long)p); + BUG_ON(index_size); /* 32-bit doesn't use this */ + free_page((unsigned long)table); } #define check_pgt_cache() do { } while (0) diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h index e6f069c..605f5c5 100644 --- a/arch/powerpc/include/asm/pgalloc-64.h +++ b/arch/powerpc/include/asm/pgalloc-64.h @@ -11,27 +11,34 @@ #include <linux/cpumask.h> #include <linux/percpu.h> -#ifndef CONFIG_PPC_SUBPAGE_PROT -static inline void subpage_prot_free(pgd_t *pgd) {} -#endif +/* + * Functions that deal with pagetables that could be at any level of + * the table need to be passed an "index_size" so they know how to + * handle allocation. For PTE pages (which are linked to a struct + * page for now, and drawn from the main get_free_pages() pool), the + * allocation size will be (2^index_size * sizeof(pointer)) and + * allocations are drawn from the kmem_cache in PGT_CACHE(index_size). + * + * The maximum index size needs to be big enough to allow any + * pagetable sizes we need, but small enough to fit in the low bits of + * any page table pointer. In other words all pagetables, even tiny + * ones, must be aligned to allow at least enough low 0 bits to + * contain this value. This value is also used as a mask, so it must + * be one less than a power of two. + */ +#define MAX_PGTABLE_INDEX_SIZE 0xf extern struct kmem_cache *pgtable_cache[]; - -#define PGD_CACHE_NUM 0 -#define PUD_CACHE_NUM 1 -#define PMD_CACHE_NUM 1 -#define HUGEPTE_CACHE_NUM 2 -#define PTE_NONCACHE_NUM 7 /* from GFP rather than kmem_cache */ +#define PGT_CACHE(shift) (pgtable_cache[(shift)-1]) static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return kmem_cache_alloc(pgtable_cache[PGD_CACHE_NUM], GFP_KERNEL); + return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), GFP_KERNEL); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - subpage_prot_free(pgd); - kmem_cache_free(pgtable_cache[PGD_CACHE_NUM], pgd); + kmem_cache_free(PGT_CACHE(PGD_INDEX_SIZE), pgd); } #ifndef CONFIG_PPC_64K_PAGES @@ -40,13 +47,13 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(pgtable_cache[PUD_CACHE_NUM], + return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE), GFP_KERNEL|__GFP_REPEAT); } static inline void pud_free(struct mm_struct *mm, pud_t *pud) { - kmem_cache_free(pgtable_cache[PUD_CACHE_NUM], pud); + kmem_cache_free(PGT_CACHE(PUD_INDEX_SIZE), pud); } static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) @@ -78,13 +85,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(pgtable_cache[PMD_CACHE_NUM], + return kmem_cache_alloc(PGT_CACHE(PMD_INDEX_SIZE), GFP_KERNEL|__GFP_REPEAT); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - kmem_cache_free(pgtable_cache[PMD_CACHE_NUM], pmd); + kmem_cache_free(PGT_CACHE(PMD_INDEX_SIZE), pmd); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, @@ -107,24 +114,22 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, return page; } -static inline void pgtable_free(pgtable_free_t pgf) +static inline void pgtable_free(void *table, unsigned index_size) { - void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); - int cachenum = pgf.val & PGF_CACHENUM_MASK; - - if (cachenum == PTE_NONCACHE_NUM) - free_page((unsigned long)p); - else - kmem_cache_free(pgtable_cache[cachenum], p); + if (!index_size) + free_page((unsigned long)table); + else { + BUG_ON(index_size > MAX_PGTABLE_INDEX_SIZE); + kmem_cache_free(PGT_CACHE(index_size), table); + } } -#define __pmd_free_tlb(tlb, pmd,addr) \ - pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \ - PMD_CACHE_NUM, PMD_TABLE_SIZE-1)) +#define __pmd_free_tlb(tlb, pmd, addr) \ + pgtable_free_tlb(tlb, pmd, PMD_INDEX_SIZE) #ifndef CONFIG_PPC_64K_PAGES #define __pud_free_tlb(tlb, pud, addr) \ - pgtable_free_tlb(tlb, pgtable_free_cache(pud, \ - PUD_CACHE_NUM, PUD_TABLE_SIZE-1)) + pgtable_free_tlb(tlb, pud, PUD_INDEX_SIZE) + #endif /* CONFIG_PPC_64K_PAGES */ #define check_pgt_cache() do { } while (0) diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index f2e812d..abe8532 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -24,25 +24,6 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) __free_page(ptepage); } -typedef struct pgtable_free { - unsigned long val; -} pgtable_free_t; - -/* This needs to be big enough to allow for MMU_PAGE_COUNT + 2 to be stored - * and small enough to fit in the low bits of any naturally aligned page - * table cache entry. Arbitrarily set to 0x1f, that should give us some - * room to grow - */ -#define PGF_CACHENUM_MASK 0x1f - -static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, - unsigned long mask) -{ - BUG_ON(cachenum > PGF_CACHENUM_MASK); - - return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; -} - #ifdef CONFIG_PPC64 #include <asm/pgalloc-64.h> #else @@ -50,12 +31,12 @@ static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, #endif #ifdef CONFIG_SMP -extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); +extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift); extern void pte_free_finish(void); #else /* CONFIG_SMP */ -static inline void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf) +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) { - pgtable_free(pgf); + pgtable_free(table, shift); } static inline void pte_free_finish(void) { } #endif /* !CONFIG_SMP */ @@ -63,12 +44,9 @@ static inline void pte_free_finish(void) { } static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, unsigned long address) { - pgtable_free_t pgf = pgtable_free_cache(page_address(ptepage), - PTE_NONCACHE_NUM, - PTE_TABLE_SIZE-1); tlb_flush_pgtable(tlb, address); pgtable_page_dtor(ptepage); - pgtable_free_tlb(tlb, pgf); + pgtable_free_tlb(tlb, page_address(ptepage), 0); } #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 806abe7..4986504 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -354,6 +354,7 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry) #define pgoff_to_pte(off) ((pte_t) {((off) << PTE_RPN_SHIFT)|_PAGE_FILE}) #define PTE_FILE_MAX_BITS (BITS_PER_LONG - PTE_RPN_SHIFT) +void pgtable_cache_add(unsigned shift, void (*ctor)(void *)); void pgtable_cache_init(void); /* @@ -378,7 +379,18 @@ void pgtable_cache_init(void); return pt; } -pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long address); +#ifdef CONFIG_HUGETLB_PAGE +pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, + unsigned *shift); +#else +static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, + unsigned *shift) +{ + if (shift) + *shift = 0; + return find_linux_pte(pgdir, ea); +} +#endif /* !CONFIG_HUGETLB_PAGE */ #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 2a5da06..21207e5 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -211,6 +211,9 @@ extern void paging_init(void); */ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +extern int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, unsigned long addr, + unsigned long end, int write, struct page **pages, int *nr); + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/pmac_low_i2c.h b/arch/powerpc/include/asm/pmac_low_i2c.h index 131011b..01d7182 100644 --- a/arch/powerpc/include/asm/pmac_low_i2c.h +++ b/arch/powerpc/include/asm/pmac_low_i2c.h @@ -72,11 +72,7 @@ extern int pmac_i2c_get_type(struct pmac_i2c_bus *bus); extern int pmac_i2c_get_flags(struct pmac_i2c_bus *bus); extern int pmac_i2c_get_channel(struct pmac_i2c_bus *bus); -/* i2c layer adapter attach/detach */ -extern void pmac_i2c_attach_adapter(struct pmac_i2c_bus *bus, - struct i2c_adapter *adapter); -extern void pmac_i2c_detach_adapter(struct pmac_i2c_bus *bus, - struct i2c_adapter *adapter); +/* i2c layer adapter helpers */ extern struct i2c_adapter *pmac_i2c_get_adapter(struct pmac_i2c_bus *bus); extern struct pmac_i2c_bus *pmac_i2c_adapter_to_bus(struct i2c_adapter *adapter); diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index 6ff0418..2ab9cbd 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -1,3 +1,4 @@ +#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ #ifndef _POWERPC_PROM_H #define _POWERPC_PROM_H #ifdef __KERNEL__ @@ -16,6 +17,7 @@ * 2 of the License, or (at your option) any later version. */ #include <linux/types.h> +#include <linux/of_fdt.h> #include <linux/proc_fs.h> #include <linux/platform_device.h> #include <asm/irq.h> @@ -28,133 +30,14 @@ #define of_prop_cmp(s1, s2) strcmp((s1), (s2)) #define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, - * content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - -/* - * This is what gets passed to the kernel by prom_init or kexec - * - * The dt struct contains the device tree structure, full pathes and - * property contents. The dt strings contain a separate block with just - * the strings for the property names, and is fully page aligned and - * self contained in a page, so that it can be kept around by the kernel, - * each property name appears only once in this page (cheap compression) - * - * the mem_rsvmap contains a map of reserved ranges of physical memory, - * passing it here instead of in the device-tree itself greatly simplifies - * the job of everybody. It's just a list of u64 pairs (base/size) that - * ends when size is 0 - */ -struct boot_param_header -{ - u32 magic; /* magic word OF_DT_HEADER */ - u32 totalsize; /* total size of DT block */ - u32 off_dt_struct; /* offset to structure */ - u32 off_dt_strings; /* offset to strings */ - u32 off_mem_rsvmap; /* offset to memory reserve map */ - u32 version; /* format version */ - u32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - u32 dt_strings_size; /* size of the DT strings block */ - /* version 17 fields below */ - u32 dt_struct_size; /* size of the DT structure block */ -}; - - - -typedef u32 phandle; -typedef u32 ihandle; - -struct property { - char *name; - int length; - void *value; - struct property *next; -}; - -struct device_node { - const char *name; - const char *type; - phandle node; - phandle linux_phandle; - char *full_name; - - struct property *properties; - struct property *deadprops; /* removed properties */ - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ - struct proc_dir_entry *pde; /* this node's proc directory */ - struct kref kref; - unsigned long _flags; - void *data; -}; - extern struct device_node *of_chosen; -static inline int of_node_check_flag(struct device_node *n, unsigned long flag) -{ - return test_bit(flag, &n->_flags); -} - -static inline void of_node_set_flag(struct device_node *n, unsigned long flag) -{ - set_bit(flag, &n->_flags); -} - - #define HAVE_ARCH_DEVTREE_FIXUPS -static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) -{ - dn->pde = de; -} - - -extern struct device_node *of_find_all_nodes(struct device_node *prev); -extern struct device_node *of_node_get(struct device_node *node); -extern void of_node_put(struct device_node *node); - -/* For scanning the flat device-tree at boot time */ -extern int __init of_scan_flat_dt(int (*it)(unsigned long node, - const char *uname, int depth, - void *data), - void *data); -extern void* __init of_get_flat_dt_prop(unsigned long node, const char *name, - unsigned long *size); -extern int __init of_flat_dt_is_compatible(unsigned long node, const char *name); -extern unsigned long __init of_get_flat_dt_root(void); - /* For updating the device tree at runtime */ extern void of_attach_node(struct device_node *); extern void of_detach_node(struct device_node *); -/* Other Prototypes */ -extern void finish_device_tree(void); -extern void unflatten_device_tree(void); -extern void early_init_devtree(void *); -extern int machine_is_compatible(const char *compat); -extern void print_properties(struct device_node *node); -extern int prom_n_intr_cells(struct device_node* np); -extern void prom_get_irq_senses(unsigned char *senses, int off, int max); -extern int prom_add_property(struct device_node* np, struct property* prop); -extern int prom_remove_property(struct device_node *np, struct property *prop); -extern int prom_update_property(struct device_node *np, - struct property *newprop, - struct property *oldprop); - #ifdef CONFIG_PPC32 /* * PCI <-> OF matching functions @@ -178,26 +61,6 @@ extern int release_OF_resource(struct device_node* node, int index); * OF address retreival & translation */ - -/* Helper to read a big number; size is in cells (not bytes) */ -static inline u64 of_read_number(const u32 *cell, int size) -{ - u64 r = 0; - while (size--) - r = (r << 32) | *(cell++); - return r; -} - -/* Like of_read_number, but we want an unsigned long result */ -#ifdef CONFIG_PPC32 -static inline unsigned long of_read_ulong(const u32 *cell, int size) -{ - return cell[size-1]; -} -#else -#define of_read_ulong(cell, size) of_read_number(cell, size) -#endif - /* Translate an OF address block into a CPU physical address */ extern u64 of_translate_address(struct device_node *np, const u32 *addr); @@ -349,11 +212,5 @@ extern int of_irq_to_resource(struct device_node *dev, int index, */ extern void __iomem *of_iomap(struct device_node *device, int index); -/* - * NB: This is here while we transition from using asm/prom.h - * to linux/of.h - */ -#include <linux/of.h> - #endif /* __KERNEL__ */ #endif /* _POWERPC_PROM_H */ diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h index dd5ea95..d44826e 100644 --- a/arch/powerpc/include/asm/pte-8xx.h +++ b/arch/powerpc/include/asm/pte-8xx.h @@ -33,21 +33,21 @@ #define _PAGE_NO_CACHE 0x0002 /* I: cache inhibit */ #define _PAGE_SHARED 0x0004 /* No ASID (context) compare */ #define _PAGE_SPECIAL 0x0008 /* SW entry, forced to 0 by the TLB miss */ +#define _PAGE_DIRTY 0x0100 /* C: page changed */ -/* These five software bits must be masked out when the entry is loaded - * into the TLB. +/* These 4 software bits must be masked out when the entry is loaded + * into the TLB, 1 SW bit left(0x0080). */ #define _PAGE_GUARDED 0x0010 /* software: guarded access */ -#define _PAGE_DIRTY 0x0020 /* software: page changed */ -#define _PAGE_RW 0x0040 /* software: user write access allowed */ -#define _PAGE_ACCESSED 0x0080 /* software: page referenced */ +#define _PAGE_ACCESSED 0x0020 /* software: page referenced */ +#define _PAGE_WRITETHRU 0x0040 /* software: caching is write through */ /* Setting any bits in the nibble with the follow two controls will * require a TLB exception handler change. It is assumed unused bits * are always zero. */ -#define _PAGE_HWWRITE 0x0100 /* h/w write enable: never set in Linux PTE */ -#define _PAGE_USER 0x0800 /* One of the PP bits, the other is USER&~RW */ +#define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */ +#define _PAGE_USER 0x0800 /* msb PP bits */ #define _PMD_PRESENT 0x0001 #define _PMD_BAD 0x0ff0 diff --git a/arch/powerpc/include/asm/pte-hash64-64k.h b/arch/powerpc/include/asm/pte-hash64-64k.h index 82b7220..c4490f9 100644 --- a/arch/powerpc/include/asm/pte-hash64-64k.h +++ b/arch/powerpc/include/asm/pte-hash64-64k.h @@ -76,41 +76,4 @@ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, \ __pgprot(pgprot_val((prot)) | _PAGE_4K_PFN)) - -#ifdef CONFIG_PPC_SUBPAGE_PROT -/* - * For the sub-page protection option, we extend the PGD with one of - * these. Basically we have a 3-level tree, with the top level being - * the protptrs array. To optimize speed and memory consumption when - * only addresses < 4GB are being protected, pointers to the first - * four pages of sub-page protection words are stored in the low_prot - * array. - * Each page of sub-page protection words protects 1GB (4 bytes - * protects 64k). For the 3-level tree, each page of pointers then - * protects 8TB. - */ -struct subpage_prot_table { - unsigned long maxaddr; /* only addresses < this are protected */ - unsigned int **protptrs[2]; - unsigned int *low_prot[4]; -}; - -#undef PGD_TABLE_SIZE -#define PGD_TABLE_SIZE ((sizeof(pgd_t) << PGD_INDEX_SIZE) + \ - sizeof(struct subpage_prot_table)) - -#define SBP_L1_BITS (PAGE_SHIFT - 2) -#define SBP_L2_BITS (PAGE_SHIFT - 3) -#define SBP_L1_COUNT (1 << SBP_L1_BITS) -#define SBP_L2_COUNT (1 << SBP_L2_BITS) -#define SBP_L2_SHIFT (PAGE_SHIFT + SBP_L1_BITS) -#define SBP_L3_SHIFT (SBP_L2_SHIFT + SBP_L2_BITS) - -extern void subpage_prot_free(pgd_t *pgd); - -static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd) -{ - return (struct subpage_prot_table *)(pgd + PTRS_PER_PGD); -} -#endif /* CONFIG_PPC_SUBPAGE_PROT */ #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 8c34149..cbd759e 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -140,6 +140,8 @@ extern void user_enable_single_step(struct task_struct *); extern void user_enable_block_step(struct task_struct *); extern void user_disable_single_step(struct task_struct *); +#define ARCH_HAS_USER_SINGLE_STEP_INFO + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h index f388f0a..0947b36 100644 --- a/arch/powerpc/include/asm/qe.h +++ b/arch/powerpc/include/asm/qe.h @@ -87,7 +87,7 @@ extern spinlock_t cmxgcr_lock; /* Export QE common operations */ #ifdef CONFIG_QUICC_ENGINE -extern void __init qe_reset(void); +extern void qe_reset(void); #else static inline void qe_reset(void) {} #endif @@ -145,8 +145,17 @@ static inline void qe_pin_set_gpio(struct qe_pin *qe_pin) {} static inline void qe_pin_set_dedicated(struct qe_pin *pin) {} #endif /* CONFIG_QE_GPIO */ -/* QE internal API */ +#ifdef CONFIG_QUICC_ENGINE int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input); +#else +static inline int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, + u32 cmd_input) +{ + return -ENOSYS; +} +#endif /* CONFIG_QUICC_ENGINE */ + +/* QE internal API */ enum qe_clock qe_clock_source(const char *source); unsigned int qe_get_brg_clk(void); int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier); @@ -154,7 +163,28 @@ int qe_get_snum(void); void qe_put_snum(u8 snum); unsigned int qe_get_num_of_risc(void); unsigned int qe_get_num_of_snums(void); -int qe_alive_during_sleep(void); + +static inline int qe_alive_during_sleep(void) +{ + /* + * MPC8568E reference manual says: + * + * "...power down sequence waits for all I/O interfaces to become idle. + * In some applications this may happen eventually without actively + * shutting down interfaces, but most likely, software will have to + * take steps to shut down the eTSEC, QUICC Engine Block, and PCI + * interfaces before issuing the command (either the write to the core + * MSR[WE] as described above or writing to POWMGTCSR) to put the + * device into sleep state." + * + * MPC8569E reference manual has a similar paragraph. + */ +#ifdef CONFIG_PPC_85xx + return 0; +#else + return 1; +#endif +} /* we actually use cpm_muram implementation, define this for convenience */ #define qe_muram_init cpm_muram_init @@ -210,8 +240,15 @@ struct qe_firmware_info { u64 extended_modes; /* Extended modes */ }; +#ifdef CONFIG_QUICC_ENGINE /* Upload a firmware to the QE */ int qe_upload_firmware(const struct qe_firmware *firmware); +#else +static inline int qe_upload_firmware(const struct qe_firmware *firmware) +{ + return -ENOSYS; +} +#endif /* CONFIG_QUICC_ENGINE */ /* Obtain information on the uploaded firmware */ struct qe_firmware_info *qe_get_firmware_info(void); diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h index 1e180a5..0de404d 100644 --- a/arch/powerpc/include/asm/reg_fsl_emb.h +++ b/arch/powerpc/include/asm/reg_fsl_emb.h @@ -39,7 +39,7 @@ #define PMRN_PMLCB2 0x112 /* PM Local Control B2 */ #define PMRN_PMLCB3 0x113 /* PM Local Control B3 */ -#define PMLCB_THRESHMUL_MASK 0x0700 /* Threshhold Multiple Field */ +#define PMLCB_THRESHMUL_MASK 0x0700 /* Threshold Multiple Field */ #define PMLCB_THRESHMUL_SHIFT 8 #define PMLCB_THRESHOLD_MASK 0x003f /* Threshold Field */ diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 168fce7..20de73c 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -58,7 +58,7 @@ struct rtas_t { unsigned long entry; /* physical address pointer */ unsigned long base; /* physical address pointer */ unsigned long size; - raw_spinlock_t lock; + arch_spinlock_t lock; struct rtas_args args; struct device_node *dev; /* virtual address pointer */ }; diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index d9ea8d3..1d3b270 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -37,7 +37,7 @@ extern void cpu_die(void); extern void smp_send_debugger_break(int cpu); extern void smp_message_recv(int); -DECLARE_PER_CPU(unsigned int, pvr); +DECLARE_PER_CPU(unsigned int, cpu_pvr); #ifdef CONFIG_HOTPLUG_CPU extern void fixup_irqs(cpumask_t map); diff --git a/arch/powerpc/include/asm/socket.h b/arch/powerpc/include/asm/socket.h index 3ab8b3e..866f760 100644 --- a/arch/powerpc/include/asm/socket.h +++ b/arch/powerpc/include/asm/socket.h @@ -67,4 +67,6 @@ #define SO_PROTOCOL 38 #define SO_DOMAIN 39 +#define SO_RXQ_OVFL 40 + #endif /* _ASM_POWERPC_SOCKET_H */ diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index 198266c..764094c 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -28,7 +28,7 @@ #include <asm/asm-compat.h> #include <asm/synch.h> -#define __raw_spin_is_locked(x) ((x)->slock != 0) +#define arch_spin_is_locked(x) ((x)->slock != 0) #ifdef CONFIG_PPC64 /* use 0x800000yy when locked, where yy == CPU number */ @@ -54,7 +54,7 @@ * This returns the old value in the lock, so we succeeded * in getting the lock if the return value is 0. */ -static inline unsigned long arch_spin_trylock(raw_spinlock_t *lock) +static inline unsigned long __arch_spin_trylock(arch_spinlock_t *lock) { unsigned long tmp, token; @@ -73,10 +73,10 @@ static inline unsigned long arch_spin_trylock(raw_spinlock_t *lock) return tmp; } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { CLEAR_IO_SYNC; - return arch_spin_trylock(lock) == 0; + return __arch_spin_trylock(lock) == 0; } /* @@ -96,19 +96,19 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock) #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES) /* We only yield to the hypervisor if we are in shared processor mode */ #define SHARED_PROCESSOR (get_lppaca()->shared_proc) -extern void __spin_yield(raw_spinlock_t *lock); -extern void __rw_yield(raw_rwlock_t *lock); +extern void __spin_yield(arch_spinlock_t *lock); +extern void __rw_yield(arch_rwlock_t *lock); #else /* SPLPAR || ISERIES */ #define __spin_yield(x) barrier() #define __rw_yield(x) barrier() #define SHARED_PROCESSOR 0 #endif -static inline void __raw_spin_lock(raw_spinlock_t *lock) +static inline void arch_spin_lock(arch_spinlock_t *lock) { CLEAR_IO_SYNC; while (1) { - if (likely(arch_spin_trylock(lock) == 0)) + if (likely(__arch_spin_trylock(lock) == 0)) break; do { HMT_low(); @@ -120,13 +120,13 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) } static inline -void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) +void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) { unsigned long flags_dis; CLEAR_IO_SYNC; while (1) { - if (likely(arch_spin_trylock(lock) == 0)) + if (likely(__arch_spin_trylock(lock) == 0)) break; local_save_flags(flags_dis); local_irq_restore(flags); @@ -140,19 +140,19 @@ void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) } } -static inline void __raw_spin_unlock(raw_spinlock_t *lock) +static inline void arch_spin_unlock(arch_spinlock_t *lock) { SYNC_IO; - __asm__ __volatile__("# __raw_spin_unlock\n\t" + __asm__ __volatile__("# arch_spin_unlock\n\t" LWSYNC_ON_SMP: : :"memory"); lock->slock = 0; } #ifdef CONFIG_PPC64 -extern void __raw_spin_unlock_wait(raw_spinlock_t *lock); +extern void arch_spin_unlock_wait(arch_spinlock_t *lock); #else -#define __raw_spin_unlock_wait(lock) \ - do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) +#define arch_spin_unlock_wait(lock) \ + do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0) #endif /* @@ -166,8 +166,8 @@ extern void __raw_spin_unlock_wait(raw_spinlock_t *lock); * read-locks. */ -#define __raw_read_can_lock(rw) ((rw)->lock >= 0) -#define __raw_write_can_lock(rw) (!(rw)->lock) +#define arch_read_can_lock(rw) ((rw)->lock >= 0) +#define arch_write_can_lock(rw) (!(rw)->lock) #ifdef CONFIG_PPC64 #define __DO_SIGN_EXTEND "extsw %0,%0\n" @@ -181,7 +181,7 @@ extern void __raw_spin_unlock_wait(raw_spinlock_t *lock); * This returns the old value in the lock + 1, * so we got a read lock if the return value is > 0. */ -static inline long arch_read_trylock(raw_rwlock_t *rw) +static inline long __arch_read_trylock(arch_rwlock_t *rw) { long tmp; @@ -205,7 +205,7 @@ static inline long arch_read_trylock(raw_rwlock_t *rw) * This returns the old value in the lock, * so we got the write lock if the return value is 0. */ -static inline long arch_write_trylock(raw_rwlock_t *rw) +static inline long __arch_write_trylock(arch_rwlock_t *rw) { long tmp, token; @@ -225,10 +225,10 @@ static inline long arch_write_trylock(raw_rwlock_t *rw) return tmp; } -static inline void __raw_read_lock(raw_rwlock_t *rw) +static inline void arch_read_lock(arch_rwlock_t *rw) { while (1) { - if (likely(arch_read_trylock(rw) > 0)) + if (likely(__arch_read_trylock(rw) > 0)) break; do { HMT_low(); @@ -239,10 +239,10 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) } } -static inline void __raw_write_lock(raw_rwlock_t *rw) +static inline void arch_write_lock(arch_rwlock_t *rw) { while (1) { - if (likely(arch_write_trylock(rw) == 0)) + if (likely(__arch_write_trylock(rw) == 0)) break; do { HMT_low(); @@ -253,17 +253,17 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) } } -static inline int __raw_read_trylock(raw_rwlock_t *rw) +static inline int arch_read_trylock(arch_rwlock_t *rw) { - return arch_read_trylock(rw) > 0; + return __arch_read_trylock(rw) > 0; } -static inline int __raw_write_trylock(raw_rwlock_t *rw) +static inline int arch_write_trylock(arch_rwlock_t *rw) { - return arch_write_trylock(rw) == 0; + return __arch_write_trylock(rw) == 0; } -static inline void __raw_read_unlock(raw_rwlock_t *rw) +static inline void arch_read_unlock(arch_rwlock_t *rw) { long tmp; @@ -280,19 +280,19 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) : "cr0", "xer", "memory"); } -static inline void __raw_write_unlock(raw_rwlock_t *rw) +static inline void arch_write_unlock(arch_rwlock_t *rw) { __asm__ __volatile__("# write_unlock\n\t" LWSYNC_ON_SMP: : :"memory"); rw->lock = 0; } -#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock) -#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock) +#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) +#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) -#define _raw_spin_relax(lock) __spin_yield(lock) -#define _raw_read_relax(lock) __rw_yield(lock) -#define _raw_write_relax(lock) __rw_yield(lock) +#define arch_spin_relax(lock) __spin_yield(lock) +#define arch_read_relax(lock) __rw_yield(lock) +#define arch_write_relax(lock) __rw_yield(lock) #endif /* __KERNEL__ */ #endif /* __ASM_SPINLOCK_H */ diff --git a/arch/powerpc/include/asm/spinlock_types.h b/arch/powerpc/include/asm/spinlock_types.h index 74236c9..2351adc 100644 --- a/arch/powerpc/include/asm/spinlock_types.h +++ b/arch/powerpc/include/asm/spinlock_types.h @@ -7,14 +7,14 @@ typedef struct { volatile unsigned int slock; -} raw_spinlock_t; +} arch_spinlock_t; -#define __RAW_SPIN_LOCK_UNLOCKED { 0 } +#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } typedef struct { volatile signed int lock; -} raw_rwlock_t; +} arch_rwlock_t; -#define __RAW_RW_LOCK_UNLOCKED { 0 } +#define __ARCH_RW_LOCK_UNLOCKED { 0 } #endif diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index c7d671a..07d2d19 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -145,7 +145,7 @@ SYSCALL_SPU(setfsuid) SYSCALL_SPU(setfsgid) SYSCALL_SPU(llseek) COMPAT_SYS_SPU(getdents) -SYSX_SPU(sys_select,ppc32_select,ppc_select) +SYSX_SPU(sys_select,ppc32_select,sys_select) SYSCALL_SPU(flock) SYSCALL_SPU(msync) COMPAT_SYS_SPU(readv) diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h index cd21e5e..11ae699 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -51,6 +51,7 @@ extern void __init udbg_init_btext(void); extern void __init udbg_init_44x_as1(void); extern void __init udbg_init_40x_realmode(void); extern void __init udbg_init_cpm(void); +extern void __init udbg_init_usbgecko(void); #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UDBG_H */ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index b23664a..c002b04 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -42,10 +42,11 @@ obj-$(CONFIG_ALTIVEC) += vecemu.o obj-$(CONFIG_PPC_970_NAP) += idle_power4.o obj-$(CONFIG_PPC_OF) += of_device.o of_platform.o prom_parse.o obj-$(CONFIG_PPC_CLOCK) += clock.o -procfs-$(CONFIG_PPC64) := proc_ppc64.o +procfs-y := proc_powerpc.o obj-$(CONFIG_PROC_FS) += $(procfs-y) rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y) +obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o obj-$(CONFIG_RTAS_PROC) += rtas-proc.o obj-$(CONFIG_LPARCFG) += lparcfg.o diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 0812b0f..a6c2b63 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -190,6 +190,11 @@ int main(void) DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time)); DEFINE(PACA_DATA_OFFSET, offsetof(struct paca_struct, data_offset)); DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save)); +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER + DEFINE(PACA_KVM_IN_GUEST, offsetof(struct paca_struct, kvm_in_guest)); + DEFINE(PACA_KVM_SLB, offsetof(struct paca_struct, kvm_slb)); + DEFINE(PACA_KVM_SLB_MAX, offsetof(struct paca_struct, kvm_slb_max)); +#endif #endif /* CONFIG_PPC64 */ /* RTAS */ @@ -398,14 +403,24 @@ int main(void) DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst)); DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear)); DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr)); + + /* book3s_64 */ +#ifdef CONFIG_PPC64 + DEFINE(VCPU_FAULT_DSISR, offsetof(struct kvm_vcpu, arch.fault_dsisr)); + DEFINE(VCPU_HOST_RETIP, offsetof(struct kvm_vcpu, arch.host_retip)); + DEFINE(VCPU_HOST_R2, offsetof(struct kvm_vcpu, arch.host_r2)); + DEFINE(VCPU_HOST_MSR, offsetof(struct kvm_vcpu, arch.host_msr)); + DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr)); + DEFINE(VCPU_TRAMPOLINE_LOWMEM, offsetof(struct kvm_vcpu, arch.trampoline_lowmem)); + DEFINE(VCPU_TRAMPOLINE_ENTER, offsetof(struct kvm_vcpu, arch.trampoline_enter)); + DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler)); + DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags)); +#endif #endif #ifdef CONFIG_44x DEFINE(PGD_T_LOG2, PGD_T_LOG2); DEFINE(PTE_T_LOG2, PTE_T_LOG2); #endif -#ifdef CONFIG_FSL_BOOKE - DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam)); -#endif #ifdef CONFIG_KVM_EXIT_TIMING DEFINE(VCPU_TIMING_EXIT_TBU, offsetof(struct kvm_vcpu, diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 03c862b..2fc82ba 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -697,9 +697,9 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_generic, .platform = "ppc750", }, - { /* 750CL */ - .pvr_mask = 0xfffff0f0, - .pvr_value = 0x00087010, + { /* 750CL (and "Broadway") */ + .pvr_mask = 0xfffff0e0, + .pvr_value = 0x00087000, .cpu_name = "750CL", .cpu_features = CPU_FTRS_750CL, .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 0a8439a..6f4613d 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -373,7 +373,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs) hard_irq_disable(); for_each_irq(i) { - struct irq_desc *desc = irq_desc + i; + struct irq_desc *desc = irq_to_desc(i); if (desc->status & IRQ_INPROGRESS) desc->chip->eoi(i); diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c index e96cbbd..59c9285 100644 --- a/arch/powerpc/kernel/dma-swiotlb.c +++ b/arch/powerpc/kernel/dma-swiotlb.c @@ -21,7 +21,6 @@ #include <asm/dma.h> #include <asm/abs_addr.h> -int swiotlb __read_mostly; unsigned int ppc_swiotlb_enable; /* diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index c7eb4e0..e3be98f 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -41,6 +41,7 @@ __start_interrupts: . = 0x200 _machine_check_pSeries: HMT_MEDIUM + DO_KVM 0x200 mtspr SPRN_SPRG_SCRATCH0,r13 /* save r13 */ EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common) @@ -48,6 +49,7 @@ _machine_check_pSeries: .globl data_access_pSeries data_access_pSeries: HMT_MEDIUM + DO_KVM 0x300 mtspr SPRN_SPRG_SCRATCH0,r13 BEGIN_FTR_SECTION mfspr r13,SPRN_SPRG_PACA @@ -77,6 +79,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB) .globl data_access_slb_pSeries data_access_slb_pSeries: HMT_MEDIUM + DO_KVM 0x380 mtspr SPRN_SPRG_SCRATCH0,r13 mfspr r13,SPRN_SPRG_PACA /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) @@ -115,6 +118,7 @@ data_access_slb_pSeries: .globl instruction_access_slb_pSeries instruction_access_slb_pSeries: HMT_MEDIUM + DO_KVM 0x480 mtspr SPRN_SPRG_SCRATCH0,r13 mfspr r13,SPRN_SPRG_PACA /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) @@ -154,6 +158,7 @@ instruction_access_slb_pSeries: .globl system_call_pSeries system_call_pSeries: HMT_MEDIUM + DO_KVM 0xc00 BEGIN_FTR_SECTION cmpdi r0,0x1ebe beq- 1f @@ -187,14 +192,17 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) */ performance_monitor_pSeries_1: . = 0xf00 + DO_KVM 0xf00 b performance_monitor_pSeries altivec_unavailable_pSeries_1: . = 0xf20 + DO_KVM 0xf20 b altivec_unavailable_pSeries vsx_unavailable_pSeries_1: . = 0xf40 + DO_KVM 0xf40 b vsx_unavailable_pSeries #ifdef CONFIG_CBE_RAS diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index 829c3fe..e025e89 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -164,6 +164,9 @@ __after_mmu_off: #ifdef CONFIG_PPC_EARLY_DEBUG_CPM bl setup_cpm_bat #endif +#ifdef CONFIG_PPC_EARLY_DEBUG_USBGECKO + bl setup_usbgecko_bat +#endif /* * Call setup_cpu for CPU 0 and initialize 6xx Idle @@ -1203,6 +1206,28 @@ setup_cpm_bat: blr #endif +#ifdef CONFIG_PPC_EARLY_DEBUG_USBGECKO +setup_usbgecko_bat: + /* prepare a BAT for early io */ +#if defined(CONFIG_GAMECUBE) + lis r8, 0x0c00 +#elif defined(CONFIG_WII) + lis r8, 0x0d00 +#else +#error Invalid platform for USB Gecko based early debugging. +#endif + /* + * The virtual address used must match the virtual address + * associated to the fixmap entry FIX_EARLY_DEBUG_BASE. + */ + lis r11, 0xfffe /* top 128K */ + ori r8, r8, 0x002a /* uncached, guarded ,rw */ + ori r11, r11, 0x2 /* 128K, Vs=1, Vp=0 */ + mtspr SPRN_DBAT1L, r8 + mtspr SPRN_DBAT1U, r11 + blr +#endif + #ifdef CONFIG_8260 /* Jump into the system reset for the rom. * We first disable the MMU, and then jump to the ROM reset address. diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index c38afdb..9258074 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -37,6 +37,7 @@ #include <asm/firmware.h> #include <asm/page_64.h> #include <asm/irqflags.h> +#include <asm/kvm_book3s_64_asm.h> /* The physical memory is layed out such that the secondary processor * spin code sits at 0x0000...0x00ff. On server, the vectors follow @@ -165,6 +166,12 @@ exception_marker: #include "exceptions-64s.S" #endif +/* KVM trampoline code needs to be close to the interrupt handlers */ + +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER +#include "../kvm/book3s_64_rmhandlers.S" +#endif + _GLOBAL(generic_secondary_thread_init) mr r24,r3 diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 6ded19d..678f98c 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -206,6 +206,8 @@ MachineCheck: EXCEPTION_PROLOG mfspr r4,SPRN_DAR stw r4,_DAR(r11) + li r5,0x00f0 + mtspr SPRN_DAR,r5 /* Tag DAR, to be used in DTLB Error */ mfspr r5,SPRN_DSISR stw r5,_DSISR(r11) addi r3,r1,STACK_FRAME_OVERHEAD @@ -222,6 +224,8 @@ DataAccess: stw r10,_DSISR(r11) mr r5,r10 mfspr r4,SPRN_DAR + li r10,0x00f0 + mtspr SPRN_DAR,r10 /* Tag DAR, to be used in DTLB Error */ EXC_XFER_EE_LITE(0x300, handle_page_fault) /* Instruction access exception. @@ -244,6 +248,8 @@ Alignment: EXCEPTION_PROLOG mfspr r4,SPRN_DAR stw r4,_DAR(r11) + li r5,0x00f0 + mtspr SPRN_DAR,r5 /* Tag DAR, to be used in DTLB Error */ mfspr r5,SPRN_DSISR stw r5,_DSISR(r11) addi r3,r1,STACK_FRAME_OVERHEAD @@ -333,26 +339,20 @@ InstructionTLBMiss: mfspr r11, SPRN_MD_TWC /* ....and get the pte address */ lwz r10, 0(r11) /* Get the pte */ -#ifdef CONFIG_SWAP - /* do not set the _PAGE_ACCESSED bit of a non-present page */ - andi. r11, r10, _PAGE_PRESENT - beq 4f - ori r10, r10, _PAGE_ACCESSED - mfspr r11, SPRN_MD_TWC /* get the pte address again */ - stw r10, 0(r11) -4: -#else - ori r10, r10, _PAGE_ACCESSED - stw r10, 0(r11) -#endif + andi. r11, r10, _PAGE_ACCESSED | _PAGE_PRESENT + cmpwi cr0, r11, _PAGE_ACCESSED | _PAGE_PRESENT + bne- cr0, 2f + + /* Clear PP lsb, 0x400 */ + rlwinm r10, r10, 0, 22, 20 /* The Linux PTE won't go exactly into the MMU TLB. - * Software indicator bits 21, 22 and 28 must be clear. + * Software indicator bits 22 and 28 must be clear. * Software indicator bits 24, 25, 26, and 27 must be * set. All other Linux PTE bits control the behavior * of the MMU. */ -2: li r11, 0x00f0 + li r11, 0x00f0 rlwimi r10, r11, 0, 24, 28 /* Set 24-27, clear 28 */ DO_8xx_CPU6(0x2d80, r3) mtspr SPRN_MI_RPN, r10 /* Update TLB entry */ @@ -365,6 +365,22 @@ InstructionTLBMiss: lwz r3, 8(r0) #endif rfi +2: + mfspr r11, SPRN_SRR1 + /* clear all error bits as TLB Miss + * sets a few unconditionally + */ + rlwinm r11, r11, 0, 0xffff + mtspr SPRN_SRR1, r11 + + mfspr r10, SPRN_M_TW /* Restore registers */ + lwz r11, 0(r0) + mtcr r11 + lwz r11, 4(r0) +#ifdef CONFIG_8xx_CPU6 + lwz r3, 8(r0) +#endif + b InstructionAccess . = 0x1200 DataStoreTLBMiss: @@ -406,29 +422,45 @@ DataStoreTLBMiss: * above. */ rlwimi r11, r10, 0, 27, 27 + /* Insert the WriteThru flag into the TWC from the Linux PTE. + * It is bit 25 in the Linux PTE and bit 30 in the TWC + */ + rlwimi r11, r10, 32-5, 30, 30 DO_8xx_CPU6(0x3b80, r3) mtspr SPRN_MD_TWC, r11 -#ifdef CONFIG_SWAP - /* do not set the _PAGE_ACCESSED bit of a non-present page */ - andi. r11, r10, _PAGE_PRESENT - beq 4f - ori r10, r10, _PAGE_ACCESSED -4: - /* and update pte in table */ -#else - ori r10, r10, _PAGE_ACCESSED -#endif - mfspr r11, SPRN_MD_TWC /* get the pte address again */ - stw r10, 0(r11) + /* Both _PAGE_ACCESSED and _PAGE_PRESENT has to be set. + * We also need to know if the insn is a load/store, so: + * Clear _PAGE_PRESENT and load that which will + * trap into DTLB Error with store bit set accordinly. + */ + /* PRESENT=0x1, ACCESSED=0x20 + * r11 = ((r10 & PRESENT) & ((r10 & ACCESSED) >> 5)); + * r10 = (r10 & ~PRESENT) | r11; + */ + rlwinm r11, r10, 32-5, _PAGE_PRESENT + and r11, r11, r10 + rlwimi r10, r11, 0, _PAGE_PRESENT + + /* Honour kernel RO, User NA */ + /* 0x200 == Extended encoding, bit 22 */ + /* r11 = (r10 & _PAGE_USER) >> 2 */ + rlwinm r11, r10, 32-2, 0x200 + or r10, r11, r10 + /* r11 = (r10 & _PAGE_RW) >> 1 */ + rlwinm r11, r10, 32-1, 0x200 + or r10, r11, r10 + /* invert RW and 0x200 bits */ + xori r10, r10, _PAGE_RW | 0x200 /* The Linux PTE won't go exactly into the MMU TLB. - * Software indicator bits 21, 22 and 28 must be clear. + * Software indicator bits 22 and 28 must be clear. * Software indicator bits 24, 25, 26, and 27 must be * set. All other Linux PTE bits control the behavior * of the MMU. */ 2: li r11, 0x00f0 + mtspr SPRN_DAR,r11 /* Tag DAR */ rlwimi r10, r11, 0, 24, 28 /* Set 24-27, clear 28 */ DO_8xx_CPU6(0x3d80, r3) mtspr SPRN_MD_RPN, r10 /* Update TLB entry */ @@ -469,97 +501,10 @@ DataTLBError: stw r10, 0(r0) stw r11, 4(r0) - /* First, make sure this was a store operation. - */ - mfspr r10, SPRN_DSISR - andis. r11, r10, 0x0200 /* If set, indicates store op */ - beq 2f - - /* The EA of a data TLB miss is automatically stored in the MD_EPN - * register. The EA of a data TLB error is automatically stored in - * the DAR, but not the MD_EPN register. We must copy the 20 most - * significant bits of the EA from the DAR to MD_EPN before we - * start walking the page tables. We also need to copy the CASID - * value from the M_CASID register. - * Addendum: The EA of a data TLB error is _supposed_ to be stored - * in DAR, but it seems that this doesn't happen in some cases, such - * as when the error is due to a dcbi instruction to a page with a - * TLB that doesn't have the changed bit set. In such cases, there - * does not appear to be any way to recover the EA of the error - * since it is neither in DAR nor MD_EPN. As a workaround, the - * _PAGE_HWWRITE bit is set for all kernel data pages when the PTEs - * are initialized in mapin_ram(). This will avoid the problem, - * assuming we only use the dcbi instruction on kernel addresses. - */ mfspr r10, SPRN_DAR - rlwinm r11, r10, 0, 0, 19 - ori r11, r11, MD_EVALID - mfspr r10, SPRN_M_CASID - rlwimi r11, r10, 0, 28, 31 - DO_8xx_CPU6(0x3780, r3) - mtspr SPRN_MD_EPN, r11 - - mfspr r10, SPRN_M_TWB /* Get level 1 table entry address */ - - /* If we are faulting a kernel address, we have to use the - * kernel page tables. - */ - andi. r11, r10, 0x0800 - beq 3f - lis r11, swapper_pg_dir@h - ori r11, r11, swapper_pg_dir@l - rlwimi r10, r11, 0, 2, 19 -3: - lwz r11, 0(r10) /* Get the level 1 entry */ - rlwinm. r10, r11,0,0,19 /* Extract page descriptor page address */ - beq 2f /* If zero, bail */ - - /* We have a pte table, so fetch the pte from the table. - */ - ori r11, r11, 1 /* Set valid bit in physical L2 page */ - DO_8xx_CPU6(0x3b80, r3) - mtspr SPRN_MD_TWC, r11 /* Load pte table base address */ - mfspr r11, SPRN_MD_TWC /* ....and get the pte address */ - lwz r10, 0(r11) /* Get the pte */ - - andi. r11, r10, _PAGE_RW /* Is it writeable? */ - beq 2f /* Bail out if not */ - - /* Update 'changed', among others. - */ -#ifdef CONFIG_SWAP - ori r10, r10, _PAGE_DIRTY|_PAGE_HWWRITE - /* do not set the _PAGE_ACCESSED bit of a non-present page */ - andi. r11, r10, _PAGE_PRESENT - beq 4f - ori r10, r10, _PAGE_ACCESSED -4: -#else - ori r10, r10, _PAGE_DIRTY|_PAGE_ACCESSED|_PAGE_HWWRITE -#endif - mfspr r11, SPRN_MD_TWC /* Get pte address again */ - stw r10, 0(r11) /* and update pte in table */ - - /* The Linux PTE won't go exactly into the MMU TLB. - * Software indicator bits 21, 22 and 28 must be clear. - * Software indicator bits 24, 25, 26, and 27 must be - * set. All other Linux PTE bits control the behavior - * of the MMU. - */ - li r11, 0x00f0 - rlwimi r10, r11, 0, 24, 28 /* Set 24-27, clear 28 */ - DO_8xx_CPU6(0x3d80, r3) - mtspr SPRN_MD_RPN, r10 /* Update TLB entry */ - - mfspr r10, SPRN_M_TW /* Restore registers */ - lwz r11, 0(r0) - mtcr r11 - lwz r11, 4(r0) -#ifdef CONFIG_8xx_CPU6 - lwz r3, 8(r0) -#endif - rfi -2: + cmpwi cr0, r10, 0x00f0 + beq- FixupDAR /* must be a buggy dcbX, icbi insn. */ +DARFixed:/* Return from dcbx instruction bug workaround, r10 holds value of DAR */ mfspr r10, SPRN_M_TW /* Restore registers */ lwz r11, 0(r0) mtcr r11 @@ -588,6 +533,140 @@ DataTLBError: . = 0x2000 +/* This is the procedure to calculate the data EA for buggy dcbx,dcbi instructions + * by decoding the registers used by the dcbx instruction and adding them. + * DAR is set to the calculated address and r10 also holds the EA on exit. + */ + /* define if you don't want to use self modifying code */ +#define NO_SELF_MODIFYING_CODE +FixupDAR:/* Entry point for dcbx workaround. */ + /* fetch instruction from memory. */ + mfspr r10, SPRN_SRR0 + DO_8xx_CPU6(0x3780, r3) + mtspr SPRN_MD_EPN, r10 + mfspr r11, SPRN_M_TWB /* Get level 1 table entry address */ + cmplwi cr0, r11, 0x0800 + blt- 3f /* Branch if user space */ + lis r11, (swapper_pg_dir-PAGE_OFFSET)@h + ori r11, r11, (swapper_pg_dir-PAGE_OFFSET)@l + rlwimi r11, r10, 32-20, 0xffc /* r11 = r11&~0xffc|(r10>>20)&0xffc */ +3: lwz r11, 0(r11) /* Get the level 1 entry */ + DO_8xx_CPU6(0x3b80, r3) + mtspr SPRN_MD_TWC, r11 /* Load pte table base address */ + mfspr r11, SPRN_MD_TWC /* ....and get the pte address */ + lwz r11, 0(r11) /* Get the pte */ + /* concat physical page address(r11) and page offset(r10) */ + rlwimi r11, r10, 0, 20, 31 + lwz r11,0(r11) +/* Check if it really is a dcbx instruction. */ +/* dcbt and dcbtst does not generate DTLB Misses/Errors, + * no need to include them here */ + srwi r10, r11, 26 /* check if major OP code is 31 */ + cmpwi cr0, r10, 31 + bne- 141f + rlwinm r10, r11, 0, 21, 30 + cmpwi cr0, r10, 2028 /* Is dcbz? */ + beq+ 142f + cmpwi cr0, r10, 940 /* Is dcbi? */ + beq+ 142f + cmpwi cr0, r10, 108 /* Is dcbst? */ + beq+ 144f /* Fix up store bit! */ + cmpwi cr0, r10, 172 /* Is dcbf? */ + beq+ 142f + cmpwi cr0, r10, 1964 /* Is icbi? */ + beq+ 142f +141: mfspr r10, SPRN_DAR /* r10 must hold DAR at exit */ + b DARFixed /* Nope, go back to normal TLB processing */ + +144: mfspr r10, SPRN_DSISR + rlwinm r10, r10,0,7,5 /* Clear store bit for buggy dcbst insn */ + mtspr SPRN_DSISR, r10 +142: /* continue, it was a dcbx, dcbi instruction. */ +#ifdef CONFIG_8xx_CPU6 + lwz r3, 8(r0) /* restore r3 from memory */ +#endif +#ifndef NO_SELF_MODIFYING_CODE + andis. r10,r11,0x1f /* test if reg RA is r0 */ + li r10,modified_instr@l + dcbtst r0,r10 /* touch for store */ + rlwinm r11,r11,0,0,20 /* Zero lower 10 bits */ + oris r11,r11,640 /* Transform instr. to a "add r10,RA,RB" */ + ori r11,r11,532 + stw r11,0(r10) /* store add/and instruction */ + dcbf 0,r10 /* flush new instr. to memory. */ + icbi 0,r10 /* invalidate instr. cache line */ + lwz r11, 4(r0) /* restore r11 from memory */ + mfspr r10, SPRN_M_TW /* restore r10 from M_TW */ + isync /* Wait until new instr is loaded from memory */ +modified_instr: + .space 4 /* this is where the add instr. is stored */ + bne+ 143f + subf r10,r0,r10 /* r10=r10-r0, only if reg RA is r0 */ +143: mtdar r10 /* store faulting EA in DAR */ + b DARFixed /* Go back to normal TLB handling */ +#else + mfctr r10 + mtdar r10 /* save ctr reg in DAR */ + rlwinm r10, r11, 24, 24, 28 /* offset into jump table for reg RB */ + addi r10, r10, 150f@l /* add start of table */ + mtctr r10 /* load ctr with jump address */ + xor r10, r10, r10 /* sum starts at zero */ + bctr /* jump into table */ +150: + add r10, r10, r0 ;b 151f + add r10, r10, r1 ;b 151f + add r10, r10, r2 ;b 151f + add r10, r10, r3 ;b 151f + add r10, r10, r4 ;b 151f + add r10, r10, r5 ;b 151f + add r10, r10, r6 ;b 151f + add r10, r10, r7 ;b 151f + add r10, r10, r8 ;b 151f + add r10, r10, r9 ;b 151f + mtctr r11 ;b 154f /* r10 needs special handling */ + mtctr r11 ;b 153f /* r11 needs special handling */ + add r10, r10, r12 ;b 151f + add r10, r10, r13 ;b 151f + add r10, r10, r14 ;b 151f + add r10, r10, r15 ;b 151f + add r10, r10, r16 ;b 151f + add r10, r10, r17 ;b 151f + add r10, r10, r18 ;b 151f + add r10, r10, r19 ;b 151f + add r10, r10, r20 ;b 151f + add r10, r10, r21 ;b 151f + add r10, r10, r22 ;b 151f + add r10, r10, r23 ;b 151f + add r10, r10, r24 ;b 151f + add r10, r10, r25 ;b 151f + add r10, r10, r26 ;b 151f + add r10, r10, r27 ;b 151f + add r10, r10, r28 ;b 151f + add r10, r10, r29 ;b 151f + add r10, r10, r30 ;b 151f + add r10, r10, r31 +151: + rlwinm. r11,r11,19,24,28 /* offset into jump table for reg RA */ + beq 152f /* if reg RA is zero, don't add it */ + addi r11, r11, 150b@l /* add start of table */ + mtctr r11 /* load ctr with jump address */ + rlwinm r11,r11,0,16,10 /* make sure we don't execute this more than once */ + bctr /* jump into table */ +152: + mfdar r11 + mtctr r11 /* restore ctr reg from DAR */ + mtdar r10 /* save fault EA to DAR */ + b DARFixed /* Go back to normal TLB handling */ + + /* special handling for r10,r11 since these are modified already */ +153: lwz r11, 4(r0) /* load r11 from memory */ + b 155f +154: mfspr r11, SPRN_M_TW /* load r10 from M_TW */ +155: add r10, r10, r11 /* add it */ + mfctr r11 /* restore r11 */ + b 151b +#endif + .globl giveup_fpu giveup_fpu: blr diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 975788c..7f4bd7f 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -944,28 +944,6 @@ _GLOBAL(__setup_e500mc_ivors) blr /* - * extern void loadcam_entry(unsigned int index) - * - * Load TLBCAM[index] entry in to the L2 CAM MMU - */ -_GLOBAL(loadcam_entry) - lis r4,TLBCAM@ha - addi r4,r4,TLBCAM@l - mulli r5,r3,TLBCAM_SIZE - add r3,r5,r4 - lwz r4,0(r3) - mtspr SPRN_MAS0,r4 - lwz r4,4(r3) - mtspr SPRN_MAS1,r4 - lwz r4,8(r3) - mtspr SPRN_MAS2,r4 - lwz r4,12(r3) - mtspr SPRN_MAS3,r4 - tlbwe - isync - blr - -/* * extern void giveup_altivec(struct task_struct *prev) * * The e500 core does not have an AltiVec unit. diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index 88d9c1d..049dda6 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -110,18 +110,16 @@ int powersave_nap; */ static ctl_table powersave_nap_ctl_table[]={ { - .ctl_name = KERN_PPC_POWERSAVE_NAP, .procname = "powersave-nap", .data = &powersave_nap, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = proc_dointvec, }, {} }; static ctl_table powersave_nap_sysctl_root[] = { { - .ctl_name = CTL_KERN, .procname = "kernel", .mode = 0555, .child = powersave_nap_ctl_table, diff --git a/arch/powerpc/kernel/io.c b/arch/powerpc/kernel/io.c index 1882bf4..8dc7547 100644 --- a/arch/powerpc/kernel/io.c +++ b/arch/powerpc/kernel/io.c @@ -161,7 +161,7 @@ void _memcpy_fromio(void *dest, const volatile void __iomem *src, dest++; n--; } - while(n > 4) { + while(n >= 4) { *((u32 *)dest) = *((volatile u32 *)vsrc); eieio(); vsrc += 4; @@ -190,7 +190,7 @@ void _memcpy_toio(volatile void __iomem *dest, const void *src, unsigned long n) vdest++; n--; } - while(n > 4) { + while(n >= 4) { *((volatile u32 *)vdest) = *((volatile u32 *)src); src += 4; vdest += 4; diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index fd51578..5547ae6 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -30,7 +30,7 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/dma-mapping.h> -#include <linux/bitops.h> +#include <linux/bitmap.h> #include <linux/iommu-helper.h> #include <linux/crash_dump.h> #include <asm/io.h> @@ -251,7 +251,7 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, } ppc_md.tce_free(tbl, entry, npages); - iommu_area_free(tbl->it_map, free_entry, npages); + bitmap_clear(tbl->it_map, free_entry, npages); } static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 02a3346..9040330 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -87,7 +87,10 @@ extern int tau_interrupts(int); #endif /* CONFIG_PPC32 */ #ifdef CONFIG_PPC64 + +#ifndef CONFIG_SPARSE_IRQ EXPORT_SYMBOL(irq_desc); +#endif int distribute_irqs = 1; @@ -189,33 +192,7 @@ int show_interrupts(struct seq_file *p, void *v) for_each_online_cpu(j) seq_printf(p, "CPU%d ", j); seq_putc(p, '\n'); - } - - if (i < NR_IRQS) { - desc = get_irq_desc(i); - spin_lock_irqsave(&desc->lock, flags); - action = desc->action; - if (!action || !action->handler) - goto skip; - seq_printf(p, "%3d: ", i); -#ifdef CONFIG_SMP - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); -#else - seq_printf(p, "%10u ", kstat_irqs(i)); -#endif /* CONFIG_SMP */ - if (desc->chip) - seq_printf(p, " %s ", desc->chip->typename); - else - seq_puts(p, " None "); - seq_printf(p, "%s", (desc->status & IRQ_LEVEL) ? "Level " : "Edge "); - seq_printf(p, " %s", action->name); - for (action = action->next; action; action = action->next) - seq_printf(p, ", %s", action->name); - seq_putc(p, '\n'); -skip: - spin_unlock_irqrestore(&desc->lock, flags); - } else if (i == NR_IRQS) { + } else if (i == nr_irqs) { #if defined(CONFIG_PPC32) && defined(CONFIG_TAU_INT) if (tau_initialized){ seq_puts(p, "TAU: "); @@ -225,30 +202,68 @@ skip: } #endif /* CONFIG_PPC32 && CONFIG_TAU_INT*/ seq_printf(p, "BAD: %10u\n", ppc_spurious_interrupts); + + return 0; } + + desc = irq_to_desc(i); + if (!desc) + return 0; + + raw_spin_lock_irqsave(&desc->lock, flags); + + action = desc->action; + if (!action || !action->handler) + goto skip; + + seq_printf(p, "%3d: ", i); +#ifdef CONFIG_SMP + for_each_online_cpu(j) + seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); +#else + seq_printf(p, "%10u ", kstat_irqs(i)); +#endif /* CONFIG_SMP */ + + if (desc->chip) + seq_printf(p, " %s ", desc->chip->name); + else + seq_puts(p, " None "); + + seq_printf(p, "%s", (desc->status & IRQ_LEVEL) ? "Level " : "Edge "); + seq_printf(p, " %s", action->name); + + for (action = action->next; action; action = action->next) + seq_printf(p, ", %s", action->name); + seq_putc(p, '\n'); + +skip: + raw_spin_unlock_irqrestore(&desc->lock, flags); + return 0; } #ifdef CONFIG_HOTPLUG_CPU void fixup_irqs(cpumask_t map) { + struct irq_desc *desc; unsigned int irq; static int warned; for_each_irq(irq) { cpumask_t mask; - if (irq_desc[irq].status & IRQ_PER_CPU) + desc = irq_to_desc(irq); + if (desc && desc->status & IRQ_PER_CPU) continue; - cpumask_and(&mask, irq_desc[irq].affinity, &map); + cpumask_and(&mask, desc->affinity, &map); if (any_online_cpu(mask) == NR_CPUS) { printk("Breaking affinity for irq %i\n", irq); mask = map; } - if (irq_desc[irq].chip->set_affinity) - irq_desc[irq].chip->set_affinity(irq, &mask); - else if (irq_desc[irq].action && !(warned++)) + if (desc->chip->set_affinity) + desc->chip->set_affinity(irq, &mask); + else if (desc->action && !(warned++)) printk("Cannot set affinity for irq %i\n", irq); } @@ -275,7 +290,7 @@ static inline void handle_one_irq(unsigned int irq) return; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); saved_sp_limit = current->thread.ksp_limit; irqtp->task = curtp->task; @@ -541,7 +556,7 @@ struct irq_host *irq_alloc_host(struct device_node *of_node, smp_wmb(); /* Clear norequest flags */ - get_irq_desc(i)->status &= ~IRQ_NOREQUEST; + irq_to_desc(i)->status &= ~IRQ_NOREQUEST; /* Legacy flags are left to default at this point, * one can then use irq_create_mapping() to @@ -607,8 +622,16 @@ void irq_set_virq_count(unsigned int count) static int irq_setup_virq(struct irq_host *host, unsigned int virq, irq_hw_number_t hwirq) { + struct irq_desc *desc; + + desc = irq_to_desc_alloc_node(virq, 0); + if (!desc) { + pr_debug("irq: -> allocating desc failed\n"); + goto error; + } + /* Clear IRQ_NOREQUEST flag */ - get_irq_desc(virq)->status &= ~IRQ_NOREQUEST; + desc->status &= ~IRQ_NOREQUEST; /* map it */ smp_wmb(); @@ -617,11 +640,14 @@ static int irq_setup_virq(struct irq_host *host, unsigned int virq, if (host->ops->map(host, virq, hwirq)) { pr_debug("irq: -> mapping failed, freeing\n"); - irq_free_virt(virq, 1); - return -1; + goto error; } return 0; + +error: + irq_free_virt(virq, 1); + return -1; } unsigned int irq_create_direct_mapping(struct irq_host *host) @@ -705,7 +731,7 @@ unsigned int irq_create_mapping(struct irq_host *host, EXPORT_SYMBOL_GPL(irq_create_mapping); unsigned int irq_create_of_mapping(struct device_node *controller, - u32 *intspec, unsigned int intsize) + const u32 *intspec, unsigned int intsize) { struct irq_host *host; irq_hw_number_t hwirq; @@ -738,7 +764,7 @@ unsigned int irq_create_of_mapping(struct device_node *controller, /* Set type if specified and different than the current one */ if (type != IRQ_TYPE_NONE && - type != (get_irq_desc(virq)->status & IRQF_TRIGGER_MASK)) + type != (irq_to_desc(virq)->status & IRQF_TRIGGER_MASK)) set_irq_type(virq, type); return virq; } @@ -810,7 +836,7 @@ void irq_dispose_mapping(unsigned int virq) irq_map[virq].hwirq = host->inval_irq; /* Set some flags */ - get_irq_desc(virq)->status |= IRQ_NOREQUEST; + irq_to_desc(virq)->status |= IRQ_NOREQUEST; /* Free it */ irq_free_virt(virq, 1); @@ -1002,12 +1028,24 @@ void irq_free_virt(unsigned int virq, unsigned int count) spin_unlock_irqrestore(&irq_big_lock, flags); } -void irq_early_init(void) +int arch_early_irq_init(void) { - unsigned int i; + struct irq_desc *desc; + int i; + + for (i = 0; i < NR_IRQS; i++) { + desc = irq_to_desc(i); + if (desc) + desc->status |= IRQ_NOREQUEST; + } - for (i = 0; i < NR_IRQS; i++) - get_irq_desc(i)->status |= IRQ_NOREQUEST; + return 0; +} + +int arch_init_chip_data(struct irq_desc *desc, int node) +{ + desc->status |= IRQ_NOREQUEST; + return 0; } /* We need to create the radix trees late */ @@ -1069,16 +1107,19 @@ static int virq_debug_show(struct seq_file *m, void *private) seq_printf(m, "%-5s %-7s %-15s %s\n", "virq", "hwirq", "chip name", "host name"); - for (i = 1; i < NR_IRQS; i++) { - desc = get_irq_desc(i); - spin_lock_irqsave(&desc->lock, flags); + for (i = 1; i < nr_irqs; i++) { + desc = irq_to_desc(i); + if (!desc) + continue; + + raw_spin_lock_irqsave(&desc->lock, flags); if (desc->action && desc->action->handler) { seq_printf(m, "%5d ", i); seq_printf(m, "0x%05lx ", virq_to_hw(i)); - if (desc->chip && desc->chip->typename) - p = desc->chip->typename; + if (desc->chip && desc->chip->name) + p = desc->chip->name; else p = none; seq_printf(m, "%-15s ", p); @@ -1090,7 +1131,7 @@ static int virq_debug_show(struct seq_file *m, void *private) seq_printf(m, "%s\n", p); } - spin_unlock_irqrestore(&desc->lock, flags); + raw_spin_unlock_irqrestore(&desc->lock, flags); } return 0; diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index 641c74b..b6bd1ea 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -52,7 +52,7 @@ static struct hard_trap_info { 0x2030, 0x08 /* SIGFPE */ }, /* spe fp data */ { 0x2040, 0x08 /* SIGFPE */ }, /* spe fp data */ { 0x2050, 0x08 /* SIGFPE */ }, /* spe fp round */ - { 0x2060, 0x0e /* SIGILL */ }, /* performace monitor */ + { 0x2060, 0x0e /* SIGILL */ }, /* performance monitor */ { 0x2900, 0x08 /* SIGFPE */ }, /* apu unavailable */ { 0x3100, 0x0e /* SIGALRM */ }, /* fixed interval timer */ { 0x3200, 0x02 /* SIGINT */ }, /* watchdog */ diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index ed0ac4e..79a00bb 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -781,9 +781,9 @@ static int __init lparcfg_init(void) !firmware_has_feature(FW_FEATURE_ISERIES)) mode |= S_IWUSR; - ent = proc_create("ppc64/lparcfg", mode, NULL, &lparcfg_fops); + ent = proc_create("powerpc/lparcfg", mode, NULL, &lparcfg_fops); if (!ent) { - printk(KERN_ERR "Failed to create ppc64/lparcfg\n"); + printk(KERN_ERR "Failed to create powerpc/lparcfg\n"); return -EIO; } diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index da9c0c4..8649f53 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -502,15 +502,7 @@ _GLOBAL(clear_pages) li r0,PAGE_SIZE/L1_CACHE_BYTES slw r0,r0,r4 mtctr r0 -#ifdef CONFIG_8xx - li r4, 0 -1: stw r4, 0(r3) - stw r4, 4(r3) - stw r4, 8(r3) - stw r4, 12(r3) -#else 1: dcbz 0,r3 -#endif addi r3,r3,L1_CACHE_BYTES bdnz 1b blr @@ -535,15 +527,6 @@ _GLOBAL(copy_page) addi r3,r3,-4 addi r4,r4,-4 -#ifdef CONFIG_8xx - /* don't use prefetch on 8xx */ - li r0,4096/L1_CACHE_BYTES - mtctr r0 -1: COPY_16_BYTES - bdnz 1b - blr - -#else /* not 8xx, we can prefetch */ li r5,4 #if MAX_COPY_PREFETCH > 1 @@ -584,7 +567,6 @@ _GLOBAL(copy_page) li r0,MAX_COPY_PREFETCH li r11,4 b 2b -#endif /* CONFIG_8xx */ /* * void atomic_clear_mask(atomic_t mask, atomic_t *addr) diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c index 0ed31f2..ad461e7 100644 --- a/arch/powerpc/kernel/nvram_64.c +++ b/arch/powerpc/kernel/nvram_64.c @@ -139,8 +139,8 @@ out: } -static int dev_nvram_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long dev_nvram_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { switch(cmd) { #ifdef CONFIG_PPC_PMAC @@ -169,11 +169,11 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file, } const struct file_operations nvram_fops = { - .owner = THIS_MODULE, - .llseek = dev_nvram_llseek, - .read = dev_nvram_read, - .write = dev_nvram_write, - .ioctl = dev_nvram_ioctl, + .owner = THIS_MODULE, + .llseek = dev_nvram_llseek, + .read = dev_nvram_read, + .write = dev_nvram_write, + .unlocked_ioctl = dev_nvram_ioctl, }; static struct miscdevice nvram_dev = { @@ -184,7 +184,7 @@ static struct miscdevice nvram_dev = { #ifdef DEBUG_NVRAM -static void nvram_print_partitions(char * label) +static void __init nvram_print_partitions(char * label) { struct list_head * p; struct nvram_partition * tmp_part; @@ -202,7 +202,7 @@ static void nvram_print_partitions(char * label) #endif -static int nvram_write_header(struct nvram_partition * part) +static int __init nvram_write_header(struct nvram_partition * part) { loff_t tmp_index; int rc; @@ -214,7 +214,7 @@ static int nvram_write_header(struct nvram_partition * part) } -static unsigned char nvram_checksum(struct nvram_header *p) +static unsigned char __init nvram_checksum(struct nvram_header *p) { unsigned int c_sum, c_sum2; unsigned short *sp = (unsigned short *)p->name; /* assume 6 shorts */ @@ -228,32 +228,7 @@ static unsigned char nvram_checksum(struct nvram_header *p) return c_sum; } - -/* - * Find an nvram partition, sig can be 0 for any - * partition or name can be NULL for any name, else - * tries to match both - */ -struct nvram_partition *nvram_find_partition(int sig, const char *name) -{ - struct nvram_partition * part; - struct list_head * p; - - list_for_each(p, &nvram_part->partition) { - part = list_entry(p, struct nvram_partition, partition); - - if (sig && part->header.signature != sig) - continue; - if (name && 0 != strncmp(name, part->header.name, 12)) - continue; - return part; - } - return NULL; -} -EXPORT_SYMBOL(nvram_find_partition); - - -static int nvram_remove_os_partition(void) +static int __init nvram_remove_os_partition(void) { struct list_head *i; struct list_head *j; @@ -319,7 +294,7 @@ static int nvram_remove_os_partition(void) * Will create a partition starting at the first free * space found if space has enough room. */ -static int nvram_create_os_partition(void) +static int __init nvram_create_os_partition(void) { struct nvram_partition *part; struct nvram_partition *new_part; @@ -422,7 +397,7 @@ static int nvram_create_os_partition(void) * 5.) If the max chunk cannot be allocated then try finding a chunk * that will satisfy the minum needed (NVRAM_MIN_REQ). */ -static int nvram_setup_partition(void) +static int __init nvram_setup_partition(void) { struct list_head * p; struct nvram_partition * part; @@ -480,7 +455,7 @@ static int nvram_setup_partition(void) } -static int nvram_scan_partitions(void) +static int __init nvram_scan_partitions(void) { loff_t cur_index = 0; struct nvram_header phead; @@ -706,6 +681,9 @@ int nvram_clear_error_log(void) int clear_word = ERR_FLAG_ALREADY_LOGGED; int rc; + if (nvram_error_log_index == -1) + return -1; + tmp_index = nvram_error_log_index; rc = ppc_md.nvram_write((char *)&clear_word, sizeof(int), &tmp_index); diff --git a/arch/powerpc/kernel/perf_callchain.c b/arch/powerpc/kernel/perf_callchain.c index 0a03cf7..a3c11ca 100644 --- a/arch/powerpc/kernel/perf_callchain.c +++ b/arch/powerpc/kernel/perf_callchain.c @@ -119,13 +119,6 @@ static void perf_callchain_kernel(struct pt_regs *regs, } #ifdef CONFIG_PPC64 - -#ifdef CONFIG_HUGETLB_PAGE -#define is_huge_psize(pagesize) (HPAGE_SHIFT && mmu_huge_psizes[pagesize]) -#else -#define is_huge_psize(pagesize) 0 -#endif - /* * On 64-bit we don't want to invoke hash_page on user addresses from * interrupt context, so if the access faults, we read the page tables @@ -135,7 +128,7 @@ static int read_user_stack_slow(void __user *ptr, void *ret, int nb) { pgd_t *pgdir; pte_t *ptep, pte; - int pagesize; + unsigned shift; unsigned long addr = (unsigned long) ptr; unsigned long offset; unsigned long pfn; @@ -145,17 +138,14 @@ static int read_user_stack_slow(void __user *ptr, void *ret, int nb) if (!pgdir) return -EFAULT; - pagesize = get_slice_psize(current->mm, addr); + ptep = find_linux_pte_or_hugepte(pgdir, addr, &shift); + if (!shift) + shift = PAGE_SHIFT; /* align address to page boundary */ - offset = addr & ((1ul << mmu_psize_defs[pagesize].shift) - 1); + offset = addr & ((1UL << shift) - 1); addr -= offset; - if (is_huge_psize(pagesize)) - ptep = huge_pte_offset(current->mm, addr); - else - ptep = find_linux_pte(pgdir, addr); - if (ptep == NULL) return -EFAULT; pte = *ptep; @@ -497,11 +487,11 @@ static void perf_callchain_user_32(struct pt_regs *regs, * Since we can't get PMU interrupts inside a PMU interrupt handler, * we don't need separate irq and nmi entries here. */ -static DEFINE_PER_CPU(struct perf_callchain_entry, callchain); +static DEFINE_PER_CPU(struct perf_callchain_entry, cpu_perf_callchain); struct perf_callchain_entry *perf_callchain(struct pt_regs *regs) { - struct perf_callchain_entry *entry = &__get_cpu_var(callchain); + struct perf_callchain_entry *entry = &__get_cpu_var(cpu_perf_callchain); entry->nr = 0; diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index c8b27bb..42545145 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -96,8 +96,6 @@ EXPORT_SYMBOL(copy_4K_page); EXPORT_SYMBOL(isa_io_base); EXPORT_SYMBOL(isa_mem_base); EXPORT_SYMBOL(pci_dram_offset); -EXPORT_SYMBOL(pci_alloc_consistent); -EXPORT_SYMBOL(pci_free_consistent); #endif /* CONFIG_PCI */ EXPORT_SYMBOL(start_thread); @@ -162,7 +160,6 @@ EXPORT_SYMBOL(screen_info); #ifdef CONFIG_PPC32 EXPORT_SYMBOL(timer_interrupt); -EXPORT_SYMBOL(irq_desc); EXPORT_SYMBOL(tb_ticks_per_jiffy); EXPORT_SYMBOL(cacheable_memcpy); EXPORT_SYMBOL(cacheable_memzero); diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_powerpc.c index c647dde..1ed3b8d 100644 --- a/arch/powerpc/kernel/proc_ppc64.c +++ b/arch/powerpc/kernel/proc_powerpc.c @@ -28,55 +28,7 @@ #include <asm/uaccess.h> #include <asm/prom.h> -static loff_t page_map_seek( struct file *file, loff_t off, int whence); -static ssize_t page_map_read( struct file *file, char __user *buf, size_t nbytes, - loff_t *ppos); -static int page_map_mmap( struct file *file, struct vm_area_struct *vma ); - -static const struct file_operations page_map_fops = { - .llseek = page_map_seek, - .read = page_map_read, - .mmap = page_map_mmap -}; - -/* - * Create the ppc64 and ppc64/rtas directories early. This allows us to - * assume that they have been previously created in drivers. - */ -static int __init proc_ppc64_create(void) -{ - struct proc_dir_entry *root; - - root = proc_mkdir("ppc64", NULL); - if (!root) - return 1; - - if (!of_find_node_by_path("/rtas")) - return 0; - - if (!proc_mkdir("rtas", root)) - return 1; - - if (!proc_symlink("rtas", NULL, "ppc64/rtas")) - return 1; - - return 0; -} -core_initcall(proc_ppc64_create); - -static int __init proc_ppc64_init(void) -{ - struct proc_dir_entry *pde; - - pde = proc_create_data("ppc64/systemcfg", S_IFREG|S_IRUGO, NULL, - &page_map_fops, vdso_data); - if (!pde) - return 1; - pde->size = PAGE_SIZE; - - return 0; -} -__initcall(proc_ppc64_init); +#ifdef CONFIG_PPC64 static loff_t page_map_seek( struct file *file, loff_t off, int whence) { @@ -120,3 +72,55 @@ static int page_map_mmap( struct file *file, struct vm_area_struct *vma ) return 0; } +static const struct file_operations page_map_fops = { + .llseek = page_map_seek, + .read = page_map_read, + .mmap = page_map_mmap +}; + + +static int __init proc_ppc64_init(void) +{ + struct proc_dir_entry *pde; + + pde = proc_create_data("powerpc/systemcfg", S_IFREG|S_IRUGO, NULL, + &page_map_fops, vdso_data); + if (!pde) + return 1; + pde->size = PAGE_SIZE; + + return 0; +} +__initcall(proc_ppc64_init); + +#endif /* CONFIG_PPC64 */ + +/* + * Create the ppc64 and ppc64/rtas directories early. This allows us to + * assume that they have been previously created in drivers. + */ +static int __init proc_ppc64_create(void) +{ + struct proc_dir_entry *root; + + root = proc_mkdir("powerpc", NULL); + if (!root) + return 1; + +#ifdef CONFIG_PPC64 + if (!proc_symlink("ppc64", NULL, "powerpc")) + pr_err("Failed to create link /proc/ppc64 -> /proc/powerpc\n"); +#endif + + if (!of_find_node_by_path("/rtas")) + return 0; + + if (!proc_mkdir("rtas", root)) + return 1; + + if (!proc_symlink("rtas", NULL, "powerpc/rtas")) + return 1; + + return 0; +} +core_initcall(proc_ppc64_create); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index d4405b9..4ec3008 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -1317,29 +1317,6 @@ struct device_node *of_find_next_cache_node(struct device_node *np) } /** - * of_find_all_nodes - Get next node in global list - * @prev: Previous node or NULL to start iteration - * of_node_put() will be called on it - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_find_all_nodes(struct device_node *prev) -{ - struct device_node *np; - - read_lock(&devtree_lock); - np = prev ? prev->allnext : allnodes; - for (; np != 0; np = np->allnext) - if (of_node_get(np)) - break; - of_node_put(prev); - read_unlock(&devtree_lock); - return np; -} -EXPORT_SYMBOL(of_find_all_nodes); - -/** * of_node_get - Increment refcount of a node * @node: Node to inc refcount, NULL is supported to * simplify writing of callers diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index bf90361..fd0d294 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -42,7 +42,7 @@ #include <asm/mmu.h> struct rtas_t rtas = { - .lock = __RAW_SPIN_LOCK_UNLOCKED + .lock = __ARCH_SPIN_LOCK_UNLOCKED }; EXPORT_SYMBOL(rtas); @@ -80,13 +80,13 @@ static unsigned long lock_rtas(void) local_irq_save(flags); preempt_disable(); - __raw_spin_lock_flags(&rtas.lock, flags); + arch_spin_lock_flags(&rtas.lock, flags); return flags; } static void unlock_rtas(unsigned long flags) { - __raw_spin_unlock(&rtas.lock); + arch_spin_unlock(&rtas.lock); local_irq_restore(flags); preempt_enable(); } @@ -978,7 +978,7 @@ int __init early_init_dt_scan_rtas(unsigned long node, return 1; } -static raw_spinlock_t timebase_lock; +static arch_spinlock_t timebase_lock; static u64 timebase = 0; void __cpuinit rtas_give_timebase(void) @@ -987,10 +987,10 @@ void __cpuinit rtas_give_timebase(void) local_irq_save(flags); hard_irq_disable(); - __raw_spin_lock(&timebase_lock); + arch_spin_lock(&timebase_lock); rtas_call(rtas_token("freeze-time-base"), 0, 1, NULL); timebase = get_tb(); - __raw_spin_unlock(&timebase_lock); + arch_spin_unlock(&timebase_lock); while (timebase) barrier(); @@ -1002,8 +1002,8 @@ void __cpuinit rtas_take_timebase(void) { while (!timebase) barrier(); - __raw_spin_lock(&timebase_lock); + arch_spin_lock(&timebase_lock); set_tb(timebase >> 32, timebase & 0xffffffff); timebase = 0; - __raw_spin_unlock(&timebase_lock); + arch_spin_unlock(&timebase_lock); } diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 13011a9..a85117d 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -6,7 +6,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * /proc/ppc64/rtas/firmware_flash interface + * /proc/powerpc/rtas/firmware_flash interface * * This file implements a firmware_flash interface to pump a firmware * image into the kernel. At reboot time rtas_restart() will see the @@ -740,7 +740,7 @@ static int __init rtas_flash_init(void) return 1; } - firmware_flash_pde = create_flash_pde("ppc64/rtas/" + firmware_flash_pde = create_flash_pde("powerpc/rtas/" FIRMWARE_FLASH_NAME, &rtas_flash_operations); if (firmware_flash_pde == NULL) { @@ -754,7 +754,7 @@ static int __init rtas_flash_init(void) if (rc != 0) goto cleanup; - firmware_update_pde = create_flash_pde("ppc64/rtas/" + firmware_update_pde = create_flash_pde("powerpc/rtas/" FIRMWARE_UPDATE_NAME, &rtas_flash_operations); if (firmware_update_pde == NULL) { @@ -768,7 +768,7 @@ static int __init rtas_flash_init(void) if (rc != 0) goto cleanup; - validate_pde = create_flash_pde("ppc64/rtas/" VALIDATE_FLASH_NAME, + validate_pde = create_flash_pde("powerpc/rtas/" VALIDATE_FLASH_NAME, &validate_flash_operations); if (validate_pde == NULL) { rc = -ENOMEM; @@ -781,7 +781,7 @@ static int __init rtas_flash_init(void) if (rc != 0) goto cleanup; - manage_pde = create_flash_pde("ppc64/rtas/" MANAGE_FLASH_NAME, + manage_pde = create_flash_pde("powerpc/rtas/" MANAGE_FLASH_NAME, &manage_flash_operations); if (manage_pde == NULL) { rc = -ENOMEM; diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/kernel/rtasd.c index b3cbac8..2e4832a 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/kernel/rtasd.c @@ -39,6 +39,7 @@ static unsigned long rtas_log_start; static unsigned long rtas_log_size; static int surveillance_timeout = -1; + static unsigned int rtas_error_log_max; static unsigned int rtas_error_log_buffer_max; @@ -213,9 +214,11 @@ void pSeries_log_error(char *buf, unsigned int err_type, int fatal) return; } +#ifdef CONFIG_PPC64 /* Write error to NVRAM */ if (logging_enabled && !(err_type & ERR_FLAG_BOOT)) nvram_write_error_log(buf, len, err_type, error_log_cnt); +#endif /* CONFIG_PPC64 */ /* * rtas errors can occur during boot, and we do want to capture @@ -264,7 +267,6 @@ void pSeries_log_error(char *buf, unsigned int err_type, int fatal) } - static int rtas_log_open(struct inode * inode, struct file * file) { return 0; @@ -300,6 +302,7 @@ static ssize_t rtas_log_read(struct file * file, char __user * buf, return -ENOMEM; spin_lock_irqsave(&rtasd_log_lock, s); + /* if it's 0, then we know we got the last one (the one in NVRAM) */ while (rtas_log_size == 0) { if (file->f_flags & O_NONBLOCK) { @@ -313,7 +316,9 @@ static ssize_t rtas_log_read(struct file * file, char __user * buf, error = -ENODATA; goto out; } +#ifdef CONFIG_PPC64 nvram_clear_error_log(); +#endif /* CONFIG_PPC64 */ spin_unlock_irqrestore(&rtasd_log_lock, s); error = wait_event_interruptible(rtas_log_wait, rtas_log_size); @@ -427,14 +432,11 @@ static void rtas_event_scan(struct work_struct *w) put_online_cpus(); } -static void start_event_scan(void) +#ifdef CONFIG_PPC64 +static void retreive_nvram_error_log(void) { - unsigned int err_type; - int rc; - - printk(KERN_DEBUG "RTAS daemon started\n"); - pr_debug("rtasd: will sleep for %d milliseconds\n", - (30000 / rtas_event_scan_rate)); + unsigned int err_type ; + int rc ; /* See if we have any error stored in NVRAM */ memset(logdata, 0, rtas_error_log_max); @@ -442,12 +444,26 @@ static void start_event_scan(void) &err_type, &error_log_cnt); /* We can use rtas_log_buf now */ logging_enabled = 1; - if (!rc) { if (err_type != ERR_FLAG_ALREADY_LOGGED) { pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0); } } +} +#else /* CONFIG_PPC64 */ +static void retreive_nvram_error_log(void) +{ +} +#endif /* CONFIG_PPC64 */ + +static void start_event_scan(void) +{ + printk(KERN_DEBUG "RTAS daemon started\n"); + pr_debug("rtasd: will sleep for %d milliseconds\n", + (30000 / rtas_event_scan_rate)); + + /* Retreive errors from nvram if any */ + retreive_nvram_error_log(); schedule_delayed_work_on(first_cpu(cpu_online_map), &event_scan_work, event_scan_delay); @@ -457,13 +473,13 @@ static int __init rtas_init(void) { struct proc_dir_entry *entry; - if (!machine_is(pseries)) + if (!machine_is(pseries) && !machine_is(chrp)) return 0; /* No RTAS */ event_scan = rtas_token("event-scan"); if (event_scan == RTAS_UNKNOWN_SERVICE) { - printk(KERN_DEBUG "rtasd: no event-scan on system\n"); + printk(KERN_INFO "rtasd: No event-scan on system\n"); return -ENODEV; } @@ -483,7 +499,7 @@ static int __init rtas_init(void) return -ENOMEM; } - entry = proc_create("ppc64/rtas/error_log", S_IRUSR, NULL, + entry = proc_create("powerpc/rtas/error_log", S_IRUSR, NULL, &proc_rtas_log_operations); if (!entry) printk(KERN_ERR "Failed to create error_log proc entry\n"); @@ -492,11 +508,16 @@ static int __init rtas_init(void) return 0; } +__initcall(rtas_init); static int __init surveillance_setup(char *str) { int i; + /* We only do surveillance on pseries */ + if (!machine_is(pseries)) + return 0; + if (get_option(&str,&i)) { if (i >= 0 && i <= 255) surveillance_timeout = i; @@ -504,6 +525,7 @@ static int __init surveillance_setup(char *str) return 1; } +__setup("surveillance=", surveillance_setup); static int __init rtasmsgs_setup(char *str) { @@ -514,6 +536,4 @@ static int __init rtasmsgs_setup(char *str) return 1; } -__initcall(rtas_init); -__setup("surveillance=", surveillance_setup); __setup("rtasmsgs=", rtasmsgs_setup); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 845c72a..03dd6a2 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -157,7 +157,7 @@ extern u32 cpu_temp_both(unsigned long cpu); #endif /* CONFIG_TAU */ #ifdef CONFIG_SMP -DEFINE_PER_CPU(unsigned int, pvr); +DEFINE_PER_CPU(unsigned int, cpu_pvr); #endif static int show_cpuinfo(struct seq_file *m, void *v) @@ -209,7 +209,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) } #ifdef CONFIG_SMP - pvr = per_cpu(pvr, cpu_id); + pvr = per_cpu(cpu_pvr, cpu_id); #else pvr = mfspr(SPRN_PVR); #endif diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index df2c9e9..6568406 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -356,11 +356,6 @@ void __init setup_system(void) */ initialize_cache_info(); - /* - * Initialize irq remapping subsystem - */ - irq_early_init(); - #ifdef CONFIG_PPC_RTAS /* * Initialize RTAS if available diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 9b86a74..a521fb8 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -218,6 +218,9 @@ void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *)) static void stop_this_cpu(void *dummy) { + /* Remove this CPU */ + set_cpu_online(smp_processor_id(), false); + local_irq_disable(); while (1) ; @@ -232,7 +235,7 @@ struct thread_info *current_set[NR_CPUS]; static void __devinit smp_store_cpu_info(int id) { - per_cpu(pvr, id) = mfspr(SPRN_PVR); + per_cpu(cpu_pvr, id) = mfspr(SPRN_PVR); } static void __init smp_create_idle(unsigned int cpu) diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index b97c2d6..c5a4732 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -520,58 +520,6 @@ asmlinkage long compat_sys_umask(u32 mask) return sys_umask((int)mask); } -#ifdef CONFIG_SYSCTL_SYSCALL -struct __sysctl_args32 { - u32 name; - int nlen; - u32 oldval; - u32 oldlenp; - u32 newval; - u32 newlen; - u32 __unused[4]; -}; - -asmlinkage long compat_sys_sysctl(struct __sysctl_args32 __user *args) -{ - struct __sysctl_args32 tmp; - int error; - size_t oldlen; - size_t __user *oldlenp = NULL; - unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7; - - if (copy_from_user(&tmp, args, sizeof(tmp))) - return -EFAULT; - - if (tmp.oldval && tmp.oldlenp) { - /* Duh, this is ugly and might not work if sysctl_args - is in read-only memory, but do_sysctl does indirectly - a lot of uaccess in both directions and we'd have to - basically copy the whole sysctl.c here, and - glibc's __sysctl uses rw memory for the structure - anyway. */ - oldlenp = (size_t __user *)addr; - if (get_user(oldlen, (compat_size_t __user *)compat_ptr(tmp.oldlenp)) || - put_user(oldlen, oldlenp)) - return -EFAULT; - } - - lock_kernel(); - error = do_sysctl(compat_ptr(tmp.name), tmp.nlen, - compat_ptr(tmp.oldval), oldlenp, - compat_ptr(tmp.newval), tmp.newlen); - unlock_kernel(); - if (oldlenp) { - if (!error) { - if (get_user(oldlen, oldlenp) || - put_user(oldlen, (compat_size_t __user *)compat_ptr(tmp.oldlenp))) - error = -EFAULT; - } - copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused)); - } - return error; -} -#endif - unsigned long compat_sys_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index c04832c..3370e62 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -140,7 +140,6 @@ static inline unsigned long do_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long off, int shift) { - struct file * file = NULL; unsigned long ret = -EINVAL; if (!arch_validate_prot(prot)) @@ -151,20 +150,8 @@ static inline unsigned long do_mmap2(unsigned long addr, size_t len, goto out; off >>= shift; } - - ret = -EBADF; - if (!(flags & MAP_ANONYMOUS)) { - if (!(file = fget(fd))) - goto out; - } - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - down_write(¤t->mm->mmap_sem); - ret = do_mmap_pgoff(file, addr, len, prot, flags, off); - up_write(¤t->mm->mmap_sem); - if (file) - fput(file); + ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off); out: return ret; } diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 956ab33..e235e52 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -461,6 +461,25 @@ static void unregister_cpu_online(unsigned int cpu) cacheinfo_cpu_offline(cpu); } + +#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE +ssize_t arch_cpu_probe(const char *buf, size_t count) +{ + if (ppc_md.cpu_probe) + return ppc_md.cpu_probe(buf, count); + + return -EINVAL; +} + +ssize_t arch_cpu_release(const char *buf, size_t count) +{ + if (ppc_md.cpu_release) + return ppc_md.cpu_release(buf, count); + + return -EINVAL; +} +#endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */ + #endif /* CONFIG_HOTPLUG_CPU */ static int __cpuinit sysfs_cpu_notify(struct notifier_block *self, diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c index c3a56d6..a753b72 100644 --- a/arch/powerpc/kernel/tau_6xx.c +++ b/arch/powerpc/kernel/tau_6xx.c @@ -59,7 +59,7 @@ void set_thresholds(unsigned long cpu) mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TIE | THRM1_TID); /* setup THRM2, - * threshold, valid bit, enable interrupts, interrupt when above threshhold + * threshold, valid bit, enable interrupts, interrupt when above threshold */ mtspr (SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V | THRM1_TIE); #else diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 36707de..9ba2cc8 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -269,6 +269,7 @@ void account_system_vtime(struct task_struct *tsk) per_cpu(cputime_scaled_last_delta, smp_processor_id()) = deltascaled; local_irq_restore(flags); } +EXPORT_SYMBOL_GPL(account_system_vtime); /* * Transfer the user and system times accumulated in the paca @@ -834,7 +835,8 @@ static cycle_t timebase_read(struct clocksource *cs) return (cycle_t)get_tb(); } -void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) +void update_vsyscall(struct timespec *wall_time, struct clocksource *clock, + u32 mult) { u64 t2x, stamp_xsec; @@ -847,7 +849,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) /* XXX this assumes clock->shift == 22 */ /* 4611686018 ~= 2^(20+64-22) / 1e9 */ - t2x = (u64) clock->mult * 4611686018ULL; + t2x = (u64) mult * 4611686018ULL; stamp_xsec = (u64) xtime.tv_nsec * XSEC_PER_SEC; do_div(stamp_xsec, 1000000000); stamp_xsec += (u64) xtime.tv_sec * XSEC_PER_SEC; @@ -924,7 +926,7 @@ static void register_decrementer_clockevent(int cpu) *dec = decrementer_clockevent; dec->cpumask = cpumask_of(cpu); - printk(KERN_DEBUG "clockevent: %s mult[%lx] shift[%d] cpu[%d]\n", + printk(KERN_DEBUG "clockevent: %s mult[%x] shift[%d] cpu[%d]\n", dec->name, dec->mult, dec->shift, cpu); clockevents_register_device(dec); diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 9d1f935..d069ff8 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -174,6 +174,15 @@ int die(const char *str, struct pt_regs *regs, long err) return 0; } +void user_single_step_siginfo(struct task_struct *tsk, + struct pt_regs *regs, siginfo_t *info) +{ + memset(info, 0, sizeof(*info)); + info->si_signo = SIGTRAP; + info->si_code = TRAP_TRACE; + info->si_addr = (void __user *)regs->nip; +} + void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) { siginfo_t info; @@ -198,28 +207,6 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) info.si_code = code; info.si_addr = (void __user *) addr; force_sig_info(signr, &info, current); - - /* - * Init gets no signals that it doesn't have a handler for. - * That's all very well, but if it has caused a synchronous - * exception and we ignore the resulting signal, it will just - * generate the same exception over and over again and we get - * nowhere. Better to kill it and let the kernel panic. - */ - if (is_global_init(current)) { - __sighandler_t handler; - - spin_lock_irq(¤t->sighand->siglock); - handler = current->sighand->action[signr-1].sa.sa_handler; - spin_unlock_irq(¤t->sighand->siglock); - if (handler == SIG_DFL) { - /* init has generated a synchronous exception - and it doesn't have a handler for the signal */ - printk(KERN_CRIT "init has generated signal %d " - "but has no handler for it\n", signr); - do_exit(signr); - } - } } #ifdef CONFIG_PPC64 diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index fc9af47..e39cad8 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -60,6 +60,8 @@ void __init udbg_early_init(void) udbg_init_40x_realmode(); #elif defined(CONFIG_PPC_EARLY_DEBUG_CPM) udbg_init_cpm(); +#elif defined(CONFIG_PPC_EARLY_DEBUG_USBGECKO) + udbg_init_usbgecko(); #endif #ifdef CONFIG_PPC_EARLY_DEBUG diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 137dc22..d84d192 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -721,7 +721,7 @@ static int __init vdso_init(void) #ifdef CONFIG_PPC64 /* - * Fill up the "systemcfg" stuff for backward compatiblity + * Fill up the "systemcfg" stuff for backward compatibility */ strcpy((char *)vdso_data->eye_catcher, "SYSTEMCFG:PPC64"); vdso_data->version.major = SYSTEMCFG_MAJOR; diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S index 67b6916..fe46048 100644 --- a/arch/powerpc/kernel/vector.S +++ b/arch/powerpc/kernel/vector.S @@ -58,7 +58,7 @@ _GLOBAL(load_up_altivec) * all 1's */ mfspr r4,SPRN_VRSAVE - cmpdi 0,r4,0 + cmpwi 0,r4,0 bne+ 1f li r4,-1 mtspr SPRN_VRSAVE,r4 diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 27735a7..dcd01c8 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -38,6 +38,9 @@ jiffies = jiffies_64 + 4; #endif SECTIONS { + . = 0; + reloc_start = .; + . = KERNELBASE; /* diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index c299268..07703f7 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -21,6 +21,23 @@ config KVM select PREEMPT_NOTIFIERS select ANON_INODES +config KVM_BOOK3S_64_HANDLER + bool + +config KVM_BOOK3S_64 + tristate "KVM support for PowerPC book3s_64 processors" + depends on EXPERIMENTAL && PPC64 + select KVM + select KVM_BOOK3S_64_HANDLER + ---help--- + Support running unmodified book3s_64 and book3s_32 guest kernels + in virtual machines on book3s_64 host processors. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + If unsure, say N. + config KVM_440 bool "KVM support for PowerPC 440 processors" depends on EXPERIMENTAL && 44x diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index 37655fe..56484d6 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -12,26 +12,45 @@ CFLAGS_44x_tlb.o := -I. CFLAGS_e500_tlb.o := -I. CFLAGS_emulate.o := -I. -kvm-objs := $(common-objs-y) powerpc.o emulate.o +common-objs-y += powerpc.o emulate.o obj-$(CONFIG_KVM_EXIT_TIMING) += timing.o -obj-$(CONFIG_KVM) += kvm.o +obj-$(CONFIG_KVM_BOOK3S_64_HANDLER) += book3s_64_exports.o AFLAGS_booke_interrupts.o := -I$(obj) kvm-440-objs := \ + $(common-objs-y) \ booke.o \ booke_emulate.o \ booke_interrupts.o \ 44x.o \ 44x_tlb.o \ 44x_emulate.o -obj-$(CONFIG_KVM_440) += kvm-440.o +kvm-objs-$(CONFIG_KVM_440) := $(kvm-440-objs) kvm-e500-objs := \ + $(common-objs-y) \ booke.o \ booke_emulate.o \ booke_interrupts.o \ e500.o \ e500_tlb.o \ e500_emulate.o -obj-$(CONFIG_KVM_E500) += kvm-e500.o +kvm-objs-$(CONFIG_KVM_E500) := $(kvm-e500-objs) + +kvm-book3s_64-objs := \ + $(common-objs-y) \ + book3s.o \ + book3s_64_emulate.o \ + book3s_64_interrupts.o \ + book3s_64_mmu_host.o \ + book3s_64_mmu.o \ + book3s_32_mmu.o +kvm-objs-$(CONFIG_KVM_BOOK3S_64) := $(kvm-book3s_64-objs) + +kvm-objs := $(kvm-objs-m) $(kvm-objs-y) + +obj-$(CONFIG_KVM_440) += kvm.o +obj-$(CONFIG_KVM_E500) += kvm.o +obj-$(CONFIG_KVM_BOOK3S_64) += kvm.o + diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c new file mode 100644 index 0000000..3e294bd --- /dev/null +++ b/arch/powerpc/kvm/book3s.c @@ -0,0 +1,974 @@ +/* + * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved. + * + * Authors: + * Alexander Graf <agraf@suse.de> + * Kevin Wolf <mail@kevin-wolf.de> + * + * Description: + * This file is derived from arch/powerpc/kvm/44x.c, + * by Hollis Blanchard <hollisb@us.ibm.com>. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + */ + +#include <linux/kvm_host.h> +#include <linux/err.h> + +#include <asm/reg.h> +#include <asm/cputable.h> +#include <asm/cacheflush.h> +#include <asm/tlbflush.h> +#include <asm/uaccess.h> +#include <asm/io.h> +#include <asm/kvm_ppc.h> +#include <asm/kvm_book3s.h> +#include <asm/mmu_context.h> +#include <linux/sched.h> +#include <linux/vmalloc.h> + +#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU + +/* #define EXIT_DEBUG */ +/* #define EXIT_DEBUG_SIMPLE */ + +/* Without AGGRESSIVE_DEC we only fire off a DEC interrupt when DEC turns 0. + * When set, we retrigger a DEC interrupt after that if DEC <= 0. + * PPC32 Linux runs faster without AGGRESSIVE_DEC, PPC64 Linux requires it. */ + +/* #define AGGRESSIVE_DEC */ + +struct kvm_stats_debugfs_item debugfs_entries[] = { + { "exits", VCPU_STAT(sum_exits) }, + { "mmio", VCPU_STAT(mmio_exits) }, + { "sig", VCPU_STAT(signal_exits) }, + { "sysc", VCPU_STAT(syscall_exits) }, + { "inst_emu", VCPU_STAT(emulated_inst_exits) }, + { "dec", VCPU_STAT(dec_exits) }, + { "ext_intr", VCPU_STAT(ext_intr_exits) }, + { "queue_intr", VCPU_STAT(queue_intr) }, + { "halt_wakeup", VCPU_STAT(halt_wakeup) }, + { "pf_storage", VCPU_STAT(pf_storage) }, + { "sp_storage", VCPU_STAT(sp_storage) }, + { "pf_instruc", VCPU_STAT(pf_instruc) }, + { "sp_instruc", VCPU_STAT(sp_instruc) }, + { "ld", VCPU_STAT(ld) }, + { "ld_slow", VCPU_STAT(ld_slow) }, + { "st", VCPU_STAT(st) }, + { "st_slow", VCPU_STAT(st_slow) }, + { NULL } +}; + +void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu) +{ +} + +void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu) +{ +} + +void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) +{ + memcpy(get_paca()->kvm_slb, to_book3s(vcpu)->slb_shadow, sizeof(get_paca()->kvm_slb)); + get_paca()->kvm_slb_max = to_book3s(vcpu)->slb_shadow_max; +} + +void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) +{ + memcpy(to_book3s(vcpu)->slb_shadow, get_paca()->kvm_slb, sizeof(get_paca()->kvm_slb)); + to_book3s(vcpu)->slb_shadow_max = get_paca()->kvm_slb_max; +} + +#if defined(AGGRESSIVE_DEC) || defined(EXIT_DEBUG) +static u32 kvmppc_get_dec(struct kvm_vcpu *vcpu) +{ + u64 jd = mftb() - vcpu->arch.dec_jiffies; + return vcpu->arch.dec - jd; +} +#endif + +void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr) +{ + ulong old_msr = vcpu->arch.msr; + +#ifdef EXIT_DEBUG + printk(KERN_INFO "KVM: Set MSR to 0x%llx\n", msr); +#endif + msr &= to_book3s(vcpu)->msr_mask; + vcpu->arch.msr = msr; + vcpu->arch.shadow_msr = msr | MSR_USER32; + vcpu->arch.shadow_msr &= ( MSR_VEC | MSR_VSX | MSR_FP | MSR_FE0 | + MSR_USER64 | MSR_SE | MSR_BE | MSR_DE | + MSR_FE1); + + if (msr & (MSR_WE|MSR_POW)) { + if (!vcpu->arch.pending_exceptions) { + kvm_vcpu_block(vcpu); + vcpu->stat.halt_wakeup++; + } + } + + if (((vcpu->arch.msr & (MSR_IR|MSR_DR)) != (old_msr & (MSR_IR|MSR_DR))) || + (vcpu->arch.msr & MSR_PR) != (old_msr & MSR_PR)) { + kvmppc_mmu_flush_segments(vcpu); + kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc); + } +} + +void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags) +{ + vcpu->arch.srr0 = vcpu->arch.pc; + vcpu->arch.srr1 = vcpu->arch.msr | flags; + vcpu->arch.pc = to_book3s(vcpu)->hior + vec; + vcpu->arch.mmu.reset_msr(vcpu); +} + +void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec) +{ + unsigned int prio; + + vcpu->stat.queue_intr++; + switch (vec) { + case 0x100: prio = BOOK3S_IRQPRIO_SYSTEM_RESET; break; + case 0x200: prio = BOOK3S_IRQPRIO_MACHINE_CHECK; break; + case 0x300: prio = BOOK3S_IRQPRIO_DATA_STORAGE; break; + case 0x380: prio = BOOK3S_IRQPRIO_DATA_SEGMENT; break; + case 0x400: prio = BOOK3S_IRQPRIO_INST_STORAGE; break; + case 0x480: prio = BOOK3S_IRQPRIO_INST_SEGMENT; break; + case 0x500: prio = BOOK3S_IRQPRIO_EXTERNAL; break; + case 0x600: prio = BOOK3S_IRQPRIO_ALIGNMENT; break; + case 0x700: prio = BOOK3S_IRQPRIO_PROGRAM; break; + case 0x800: prio = BOOK3S_IRQPRIO_FP_UNAVAIL; break; + case 0x900: prio = BOOK3S_IRQPRIO_DECREMENTER; break; + case 0xc00: prio = BOOK3S_IRQPRIO_SYSCALL; break; + case 0xd00: prio = BOOK3S_IRQPRIO_DEBUG; break; + case 0xf20: prio = BOOK3S_IRQPRIO_ALTIVEC; break; + case 0xf40: prio = BOOK3S_IRQPRIO_VSX; break; + default: prio = BOOK3S_IRQPRIO_MAX; break; + } + + set_bit(prio, &vcpu->arch.pending_exceptions); +#ifdef EXIT_DEBUG + printk(KERN_INFO "Queueing interrupt %x\n", vec); +#endif +} + + +void kvmppc_core_queue_program(struct kvm_vcpu *vcpu) +{ + kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_PROGRAM); +} + +void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) +{ + kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER); +} + +int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu) +{ + return test_bit(BOOK3S_INTERRUPT_DECREMENTER >> 7, &vcpu->arch.pending_exceptions); +} + +void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, + struct kvm_interrupt *irq) +{ + kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL); +} + +int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority) +{ + int deliver = 1; + int vec = 0; + + switch (priority) { + case BOOK3S_IRQPRIO_DECREMENTER: + deliver = vcpu->arch.msr & MSR_EE; + vec = BOOK3S_INTERRUPT_DECREMENTER; + break; + case BOOK3S_IRQPRIO_EXTERNAL: + deliver = vcpu->arch.msr & MSR_EE; + vec = BOOK3S_INTERRUPT_EXTERNAL; + break; + case BOOK3S_IRQPRIO_SYSTEM_RESET: + vec = BOOK3S_INTERRUPT_SYSTEM_RESET; + break; + case BOOK3S_IRQPRIO_MACHINE_CHECK: + vec = BOOK3S_INTERRUPT_MACHINE_CHECK; + break; + case BOOK3S_IRQPRIO_DATA_STORAGE: + vec = BOOK3S_INTERRUPT_DATA_STORAGE; + break; + case BOOK3S_IRQPRIO_INST_STORAGE: + vec = BOOK3S_INTERRUPT_INST_STORAGE; + break; + case BOOK3S_IRQPRIO_DATA_SEGMENT: + vec = BOOK3S_INTERRUPT_DATA_SEGMENT; + break; + case BOOK3S_IRQPRIO_INST_SEGMENT: + vec = BOOK3S_INTERRUPT_INST_SEGMENT; + break; + case BOOK3S_IRQPRIO_ALIGNMENT: + vec = BOOK3S_INTERRUPT_ALIGNMENT; + break; + case BOOK3S_IRQPRIO_PROGRAM: + vec = BOOK3S_INTERRUPT_PROGRAM; + break; + case BOOK3S_IRQPRIO_VSX: + vec = BOOK3S_INTERRUPT_VSX; + break; + case BOOK3S_IRQPRIO_ALTIVEC: + vec = BOOK3S_INTERRUPT_ALTIVEC; + break; + case BOOK3S_IRQPRIO_FP_UNAVAIL: + vec = BOOK3S_INTERRUPT_FP_UNAVAIL; + break; + case BOOK3S_IRQPRIO_SYSCALL: + vec = BOOK3S_INTERRUPT_SYSCALL; + break; + case BOOK3S_IRQPRIO_DEBUG: + vec = BOOK3S_INTERRUPT_TRACE; + break; + case BOOK3S_IRQPRIO_PERFORMANCE_MONITOR: + vec = BOOK3S_INTERRUPT_PERFMON; + break; + default: + deliver = 0; + printk(KERN_ERR "KVM: Unknown interrupt: 0x%x\n", priority); + break; + } + +#if 0 + printk(KERN_INFO "Deliver interrupt 0x%x? %x\n", vec, deliver); +#endif + + if (deliver) + kvmppc_inject_interrupt(vcpu, vec, 0ULL); + + return deliver; +} + +void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu) +{ + unsigned long *pending = &vcpu->arch.pending_exceptions; + unsigned int priority; + + /* XXX be more clever here - no need to mftb() on every entry */ + /* Issue DEC again if it's still active */ +#ifdef AGGRESSIVE_DEC + if (vcpu->arch.msr & MSR_EE) + if (kvmppc_get_dec(vcpu) & 0x80000000) + kvmppc_core_queue_dec(vcpu); +#endif + +#ifdef EXIT_DEBUG + if (vcpu->arch.pending_exceptions) + printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions); +#endif + priority = __ffs(*pending); + while (priority <= (sizeof(unsigned int) * 8)) { + if (kvmppc_book3s_irqprio_deliver(vcpu, priority)) { + clear_bit(priority, &vcpu->arch.pending_exceptions); + break; + } + + priority = find_next_bit(pending, + BITS_PER_BYTE * sizeof(*pending), + priority + 1); + } +} + +void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr) +{ + vcpu->arch.hflags &= ~BOOK3S_HFLAG_SLB; + vcpu->arch.pvr = pvr; + if ((pvr >= 0x330000) && (pvr < 0x70330000)) { + kvmppc_mmu_book3s_64_init(vcpu); + to_book3s(vcpu)->hior = 0xfff00000; + to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL; + } else { + kvmppc_mmu_book3s_32_init(vcpu); + to_book3s(vcpu)->hior = 0; + to_book3s(vcpu)->msr_mask = 0xffffffffULL; + } + + /* If we are in hypervisor level on 970, we can tell the CPU to + * treat DCBZ as 32 bytes store */ + vcpu->arch.hflags &= ~BOOK3S_HFLAG_DCBZ32; + if (vcpu->arch.mmu.is_dcbz32(vcpu) && (mfmsr() & MSR_HV) && + !strcmp(cur_cpu_spec->platform, "ppc970")) + vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32; + +} + +/* Book3s_32 CPUs always have 32 bytes cache line size, which Linux assumes. To + * make Book3s_32 Linux work on Book3s_64, we have to make sure we trap dcbz to + * emulate 32 bytes dcbz length. + * + * The Book3s_64 inventors also realized this case and implemented a special bit + * in the HID5 register, which is a hypervisor ressource. Thus we can't use it. + * + * My approach here is to patch the dcbz instruction on executing pages. + */ +static void kvmppc_patch_dcbz(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte) +{ + bool touched = false; + hva_t hpage; + u32 *page; + int i; + + hpage = gfn_to_hva(vcpu->kvm, pte->raddr >> PAGE_SHIFT); + if (kvm_is_error_hva(hpage)) + return; + + hpage |= pte->raddr & ~PAGE_MASK; + hpage &= ~0xFFFULL; + + page = vmalloc(HW_PAGE_SIZE); + + if (copy_from_user(page, (void __user *)hpage, HW_PAGE_SIZE)) + goto out; + + for (i=0; i < HW_PAGE_SIZE / 4; i++) + if ((page[i] & 0xff0007ff) == INS_DCBZ) { + page[i] &= 0xfffffff7; // reserved instruction, so we trap + touched = true; + } + + if (touched) + copy_to_user((void __user *)hpage, page, HW_PAGE_SIZE); + +out: + vfree(page); +} + +static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data, + struct kvmppc_pte *pte) +{ + int relocated = (vcpu->arch.msr & (data ? MSR_DR : MSR_IR)); + int r; + + if (relocated) { + r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data); + } else { + pte->eaddr = eaddr; + pte->raddr = eaddr & 0xffffffff; + pte->vpage = eaddr >> 12; + switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) { + case 0: + pte->vpage |= VSID_REAL; + case MSR_DR: + pte->vpage |= VSID_REAL_DR; + case MSR_IR: + pte->vpage |= VSID_REAL_IR; + } + pte->may_read = true; + pte->may_write = true; + pte->may_execute = true; + r = 0; + } + + return r; +} + +static hva_t kvmppc_bad_hva(void) +{ + return PAGE_OFFSET; +} + +static hva_t kvmppc_pte_to_hva(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte, + bool read) +{ + hva_t hpage; + + if (read && !pte->may_read) + goto err; + + if (!read && !pte->may_write) + goto err; + + hpage = gfn_to_hva(vcpu->kvm, pte->raddr >> PAGE_SHIFT); + if (kvm_is_error_hva(hpage)) + goto err; + + return hpage | (pte->raddr & ~PAGE_MASK); +err: + return kvmppc_bad_hva(); +} + +int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr) +{ + struct kvmppc_pte pte; + hva_t hva = eaddr; + + vcpu->stat.st++; + + if (kvmppc_xlate(vcpu, eaddr, false, &pte)) + goto err; + + hva = kvmppc_pte_to_hva(vcpu, &pte, false); + if (kvm_is_error_hva(hva)) + goto err; + + if (copy_to_user((void __user *)hva, ptr, size)) { + printk(KERN_INFO "kvmppc_st at 0x%lx failed\n", hva); + goto err; + } + + return 0; + +err: + return -ENOENT; +} + +int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, + bool data) +{ + struct kvmppc_pte pte; + hva_t hva = eaddr; + + vcpu->stat.ld++; + + if (kvmppc_xlate(vcpu, eaddr, data, &pte)) + goto err; + + hva = kvmppc_pte_to_hva(vcpu, &pte, true); + if (kvm_is_error_hva(hva)) + goto err; + + if (copy_from_user(ptr, (void __user *)hva, size)) { + printk(KERN_INFO "kvmppc_ld at 0x%lx failed\n", hva); + goto err; + } + + return 0; + +err: + return -ENOENT; +} + +static int kvmppc_visible_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) +{ + return kvm_is_visible_gfn(vcpu->kvm, gfn); +} + +int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu, + ulong eaddr, int vec) +{ + bool data = (vec == BOOK3S_INTERRUPT_DATA_STORAGE); + int r = RESUME_GUEST; + int relocated; + int page_found = 0; + struct kvmppc_pte pte; + bool is_mmio = false; + + if ( vec == BOOK3S_INTERRUPT_DATA_STORAGE ) { + relocated = (vcpu->arch.msr & MSR_DR); + } else { + relocated = (vcpu->arch.msr & MSR_IR); + } + + /* Resolve real address if translation turned on */ + if (relocated) { + page_found = vcpu->arch.mmu.xlate(vcpu, eaddr, &pte, data); + } else { + pte.may_execute = true; + pte.may_read = true; + pte.may_write = true; + pte.raddr = eaddr & 0xffffffff; + pte.eaddr = eaddr; + pte.vpage = eaddr >> 12; + switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) { + case 0: + pte.vpage |= VSID_REAL; + case MSR_DR: + pte.vpage |= VSID_REAL_DR; + case MSR_IR: + pte.vpage |= VSID_REAL_IR; + } + } + + if (vcpu->arch.mmu.is_dcbz32(vcpu) && + (!(vcpu->arch.hflags & BOOK3S_HFLAG_DCBZ32))) { + /* + * If we do the dcbz hack, we have to NX on every execution, + * so we can patch the executing code. This renders our guest + * NX-less. + */ + pte.may_execute = !data; + } + + if (page_found == -ENOENT) { + /* Page not found in guest PTE entries */ + vcpu->arch.dear = vcpu->arch.fault_dear; + to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr; + vcpu->arch.msr |= (vcpu->arch.shadow_msr & 0x00000000f8000000ULL); + kvmppc_book3s_queue_irqprio(vcpu, vec); + } else if (page_found == -EPERM) { + /* Storage protection */ + vcpu->arch.dear = vcpu->arch.fault_dear; + to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr & ~DSISR_NOHPTE; + to_book3s(vcpu)->dsisr |= DSISR_PROTFAULT; + vcpu->arch.msr |= (vcpu->arch.shadow_msr & 0x00000000f8000000ULL); + kvmppc_book3s_queue_irqprio(vcpu, vec); + } else if (page_found == -EINVAL) { + /* Page not found in guest SLB */ + vcpu->arch.dear = vcpu->arch.fault_dear; + kvmppc_book3s_queue_irqprio(vcpu, vec + 0x80); + } else if (!is_mmio && + kvmppc_visible_gfn(vcpu, pte.raddr >> PAGE_SHIFT)) { + /* The guest's PTE is not mapped yet. Map on the host */ + kvmppc_mmu_map_page(vcpu, &pte); + if (data) + vcpu->stat.sp_storage++; + else if (vcpu->arch.mmu.is_dcbz32(vcpu) && + (!(vcpu->arch.hflags & BOOK3S_HFLAG_DCBZ32))) + kvmppc_patch_dcbz(vcpu, &pte); + } else { + /* MMIO */ + vcpu->stat.mmio_exits++; + vcpu->arch.paddr_accessed = pte.raddr; + r = kvmppc_emulate_mmio(run, vcpu); + if ( r == RESUME_HOST_NV ) + r = RESUME_HOST; + if ( r == RESUME_GUEST_NV ) + r = RESUME_GUEST; + } + + return r; +} + +int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, + unsigned int exit_nr) +{ + int r = RESUME_HOST; + + vcpu->stat.sum_exits++; + + run->exit_reason = KVM_EXIT_UNKNOWN; + run->ready_for_interrupt_injection = 1; +#ifdef EXIT_DEBUG + printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | dar=0x%lx | dec=0x%x | msr=0x%lx\n", + exit_nr, vcpu->arch.pc, vcpu->arch.fault_dear, + kvmppc_get_dec(vcpu), vcpu->arch.msr); +#elif defined (EXIT_DEBUG_SIMPLE) + if ((exit_nr != 0x900) && (exit_nr != 0x500)) + printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | dar=0x%lx | msr=0x%lx\n", + exit_nr, vcpu->arch.pc, vcpu->arch.fault_dear, + vcpu->arch.msr); +#endif + kvm_resched(vcpu); + switch (exit_nr) { + case BOOK3S_INTERRUPT_INST_STORAGE: + vcpu->stat.pf_instruc++; + /* only care about PTEG not found errors, but leave NX alone */ + if (vcpu->arch.shadow_msr & 0x40000000) { + r = kvmppc_handle_pagefault(run, vcpu, vcpu->arch.pc, exit_nr); + vcpu->stat.sp_instruc++; + } else if (vcpu->arch.mmu.is_dcbz32(vcpu) && + (!(vcpu->arch.hflags & BOOK3S_HFLAG_DCBZ32))) { + /* + * XXX If we do the dcbz hack we use the NX bit to flush&patch the page, + * so we can't use the NX bit inside the guest. Let's cross our fingers, + * that no guest that needs the dcbz hack does NX. + */ + kvmppc_mmu_pte_flush(vcpu, vcpu->arch.pc, ~0xFFFULL); + } else { + vcpu->arch.msr |= (vcpu->arch.shadow_msr & 0x58000000); + kvmppc_book3s_queue_irqprio(vcpu, exit_nr); + kvmppc_mmu_pte_flush(vcpu, vcpu->arch.pc, ~0xFFFULL); + r = RESUME_GUEST; + } + break; + case BOOK3S_INTERRUPT_DATA_STORAGE: + vcpu->stat.pf_storage++; + /* The only case we need to handle is missing shadow PTEs */ + if (vcpu->arch.fault_dsisr & DSISR_NOHPTE) { + r = kvmppc_handle_pagefault(run, vcpu, vcpu->arch.fault_dear, exit_nr); + } else { + vcpu->arch.dear = vcpu->arch.fault_dear; + to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr; + kvmppc_book3s_queue_irqprio(vcpu, exit_nr); + kvmppc_mmu_pte_flush(vcpu, vcpu->arch.dear, ~0xFFFULL); + r = RESUME_GUEST; + } + break; + case BOOK3S_INTERRUPT_DATA_SEGMENT: + if (kvmppc_mmu_map_segment(vcpu, vcpu->arch.fault_dear) < 0) { + vcpu->arch.dear = vcpu->arch.fault_dear; + kvmppc_book3s_queue_irqprio(vcpu, + BOOK3S_INTERRUPT_DATA_SEGMENT); + } + r = RESUME_GUEST; + break; + case BOOK3S_INTERRUPT_INST_SEGMENT: + if (kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc) < 0) { + kvmppc_book3s_queue_irqprio(vcpu, + BOOK3S_INTERRUPT_INST_SEGMENT); + } + r = RESUME_GUEST; + break; + /* We're good on these - the host merely wanted to get our attention */ + case BOOK3S_INTERRUPT_DECREMENTER: + vcpu->stat.dec_exits++; + r = RESUME_GUEST; + break; + case BOOK3S_INTERRUPT_EXTERNAL: + vcpu->stat.ext_intr_exits++; + r = RESUME_GUEST; + break; + case BOOK3S_INTERRUPT_PROGRAM: + { + enum emulation_result er; + + if (vcpu->arch.msr & MSR_PR) { +#ifdef EXIT_DEBUG + printk(KERN_INFO "Userspace triggered 0x700 exception at 0x%lx (0x%x)\n", vcpu->arch.pc, vcpu->arch.last_inst); +#endif + if ((vcpu->arch.last_inst & 0xff0007ff) != + (INS_DCBZ & 0xfffffff7)) { + kvmppc_book3s_queue_irqprio(vcpu, exit_nr); + r = RESUME_GUEST; + break; + } + } + + vcpu->stat.emulated_inst_exits++; + er = kvmppc_emulate_instruction(run, vcpu); + switch (er) { + case EMULATE_DONE: + r = RESUME_GUEST; + break; + case EMULATE_FAIL: + printk(KERN_CRIT "%s: emulation at %lx failed (%08x)\n", + __func__, vcpu->arch.pc, vcpu->arch.last_inst); + kvmppc_book3s_queue_irqprio(vcpu, exit_nr); + r = RESUME_GUEST; + break; + default: + BUG(); + } + break; + } + case BOOK3S_INTERRUPT_SYSCALL: +#ifdef EXIT_DEBUG + printk(KERN_INFO "Syscall Nr %d\n", (int)vcpu->arch.gpr[0]); +#endif + vcpu->stat.syscall_exits++; + kvmppc_book3s_queue_irqprio(vcpu, exit_nr); + r = RESUME_GUEST; + break; + case BOOK3S_INTERRUPT_MACHINE_CHECK: + case BOOK3S_INTERRUPT_FP_UNAVAIL: + case BOOK3S_INTERRUPT_TRACE: + case BOOK3S_INTERRUPT_ALTIVEC: + case BOOK3S_INTERRUPT_VSX: + kvmppc_book3s_queue_irqprio(vcpu, exit_nr); + r = RESUME_GUEST; + break; + default: + /* Ugh - bork here! What did we get? */ + printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | msr=0x%lx\n", exit_nr, vcpu->arch.pc, vcpu->arch.shadow_msr); + r = RESUME_HOST; + BUG(); + break; + } + + + if (!(r & RESUME_HOST)) { + /* To avoid clobbering exit_reason, only check for signals if + * we aren't already exiting to userspace for some other + * reason. */ + if (signal_pending(current)) { +#ifdef EXIT_DEBUG + printk(KERN_EMERG "KVM: Going back to host\n"); +#endif + vcpu->stat.signal_exits++; + run->exit_reason = KVM_EXIT_INTR; + r = -EINTR; + } else { + /* In case an interrupt came in that was triggered + * from userspace (like DEC), we need to check what + * to inject now! */ + kvmppc_core_deliver_interrupts(vcpu); + } + } + +#ifdef EXIT_DEBUG + printk(KERN_EMERG "KVM exit: vcpu=0x%p pc=0x%lx r=0x%x\n", vcpu, vcpu->arch.pc, r); +#endif + + return r; +} + +int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) +{ + return 0; +} + +int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) +{ + int i; + + regs->pc = vcpu->arch.pc; + regs->cr = vcpu->arch.cr; + regs->ctr = vcpu->arch.ctr; + regs->lr = vcpu->arch.lr; + regs->xer = vcpu->arch.xer; + regs->msr = vcpu->arch.msr; + regs->srr0 = vcpu->arch.srr0; + regs->srr1 = vcpu->arch.srr1; + regs->pid = vcpu->arch.pid; + regs->sprg0 = vcpu->arch.sprg0; + regs->sprg1 = vcpu->arch.sprg1; + regs->sprg2 = vcpu->arch.sprg2; + regs->sprg3 = vcpu->arch.sprg3; + regs->sprg5 = vcpu->arch.sprg4; + regs->sprg6 = vcpu->arch.sprg5; + regs->sprg7 = vcpu->arch.sprg6; + + for (i = 0; i < ARRAY_SIZE(regs->gpr); i++) + regs->gpr[i] = vcpu->arch.gpr[i]; + + return 0; +} + +int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) +{ + int i; + + vcpu->arch.pc = regs->pc; + vcpu->arch.cr = regs->cr; + vcpu->arch.ctr = regs->ctr; + vcpu->arch.lr = regs->lr; + vcpu->arch.xer = regs->xer; + kvmppc_set_msr(vcpu, regs->msr); + vcpu->arch.srr0 = regs->srr0; + vcpu->arch.srr1 = regs->srr1; + vcpu->arch.sprg0 = regs->sprg0; + vcpu->arch.sprg1 = regs->sprg1; + vcpu->arch.sprg2 = regs->sprg2; + vcpu->arch.sprg3 = regs->sprg3; + vcpu->arch.sprg5 = regs->sprg4; + vcpu->arch.sprg6 = regs->sprg5; + vcpu->arch.sprg7 = regs->sprg6; + + for (i = 0; i < ARRAY_SIZE(vcpu->arch.gpr); i++) + vcpu->arch.gpr[i] = regs->gpr[i]; + + return 0; +} + +int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, + struct kvm_sregs *sregs) +{ + struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu); + int i; + + sregs->pvr = vcpu->arch.pvr; + + sregs->u.s.sdr1 = to_book3s(vcpu)->sdr1; + if (vcpu->arch.hflags & BOOK3S_HFLAG_SLB) { + for (i = 0; i < 64; i++) { + sregs->u.s.ppc64.slb[i].slbe = vcpu3s->slb[i].orige | i; + sregs->u.s.ppc64.slb[i].slbv = vcpu3s->slb[i].origv; + } + } else { + for (i = 0; i < 16; i++) { + sregs->u.s.ppc32.sr[i] = vcpu3s->sr[i].raw; + sregs->u.s.ppc32.sr[i] = vcpu3s->sr[i].raw; + } + for (i = 0; i < 8; i++) { + sregs->u.s.ppc32.ibat[i] = vcpu3s->ibat[i].raw; + sregs->u.s.ppc32.dbat[i] = vcpu3s->dbat[i].raw; + } + } + return 0; +} + +int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, + struct kvm_sregs *sregs) +{ + struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu); + int i; + + kvmppc_set_pvr(vcpu, sregs->pvr); + + vcpu3s->sdr1 = sregs->u.s.sdr1; + if (vcpu->arch.hflags & BOOK3S_HFLAG_SLB) { + for (i = 0; i < 64; i++) { + vcpu->arch.mmu.slbmte(vcpu, sregs->u.s.ppc64.slb[i].slbv, + sregs->u.s.ppc64.slb[i].slbe); + } + } else { + for (i = 0; i < 16; i++) { + vcpu->arch.mmu.mtsrin(vcpu, i, sregs->u.s.ppc32.sr[i]); + } + for (i = 0; i < 8; i++) { + kvmppc_set_bat(vcpu, &(vcpu3s->ibat[i]), false, + (u32)sregs->u.s.ppc32.ibat[i]); + kvmppc_set_bat(vcpu, &(vcpu3s->ibat[i]), true, + (u32)(sregs->u.s.ppc32.ibat[i] >> 32)); + kvmppc_set_bat(vcpu, &(vcpu3s->dbat[i]), false, + (u32)sregs->u.s.ppc32.dbat[i]); + kvmppc_set_bat(vcpu, &(vcpu3s->dbat[i]), true, + (u32)(sregs->u.s.ppc32.dbat[i] >> 32)); + } + } + + /* Flush the MMU after messing with the segments */ + kvmppc_mmu_pte_flush(vcpu, 0, 0); + return 0; +} + +int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) +{ + return -ENOTSUPP; +} + +int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) +{ + return -ENOTSUPP; +} + +int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, + struct kvm_translation *tr) +{ + return 0; +} + +/* + * Get (and clear) the dirty memory log for a memory slot. + */ +int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, + struct kvm_dirty_log *log) +{ + struct kvm_memory_slot *memslot; + struct kvm_vcpu *vcpu; + ulong ga, ga_end; + int is_dirty = 0; + int r, n; + + down_write(&kvm->slots_lock); + + r = kvm_get_dirty_log(kvm, log, &is_dirty); + if (r) + goto out; + + /* If nothing is dirty, don't bother messing with page tables. */ + if (is_dirty) { + memslot = &kvm->memslots[log->slot]; + + ga = memslot->base_gfn << PAGE_SHIFT; + ga_end = ga + (memslot->npages << PAGE_SHIFT); + + kvm_for_each_vcpu(n, vcpu, kvm) + kvmppc_mmu_pte_pflush(vcpu, ga, ga_end); + + n = ALIGN(memslot->npages, BITS_PER_LONG) / 8; + memset(memslot->dirty_bitmap, 0, n); + } + + r = 0; +out: + up_write(&kvm->slots_lock); + return r; +} + +int kvmppc_core_check_processor_compat(void) +{ + return 0; +} + +struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s; + struct kvm_vcpu *vcpu; + int err; + + vcpu_book3s = (struct kvmppc_vcpu_book3s *)__get_free_pages( GFP_KERNEL | __GFP_ZERO, + get_order(sizeof(struct kvmppc_vcpu_book3s))); + if (!vcpu_book3s) { + err = -ENOMEM; + goto out; + } + + vcpu = &vcpu_book3s->vcpu; + err = kvm_vcpu_init(vcpu, kvm, id); + if (err) + goto free_vcpu; + + vcpu->arch.host_retip = kvm_return_point; + vcpu->arch.host_msr = mfmsr(); + /* default to book3s_64 (970fx) */ + vcpu->arch.pvr = 0x3C0301; + kvmppc_set_pvr(vcpu, vcpu->arch.pvr); + vcpu_book3s->slb_nr = 64; + + /* remember where some real-mode handlers are */ + vcpu->arch.trampoline_lowmem = kvmppc_trampoline_lowmem; + vcpu->arch.trampoline_enter = kvmppc_trampoline_enter; + vcpu->arch.highmem_handler = (ulong)kvmppc_handler_highmem; + + vcpu->arch.shadow_msr = MSR_USER64; + + err = __init_new_context(); + if (err < 0) + goto free_vcpu; + vcpu_book3s->context_id = err; + + vcpu_book3s->vsid_max = ((vcpu_book3s->context_id + 1) << USER_ESID_BITS) - 1; + vcpu_book3s->vsid_first = vcpu_book3s->context_id << USER_ESID_BITS; + vcpu_book3s->vsid_next = vcpu_book3s->vsid_first; + + return vcpu; + +free_vcpu: + free_pages((long)vcpu_book3s, get_order(sizeof(struct kvmppc_vcpu_book3s))); +out: + return ERR_PTR(err); +} + +void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + + __destroy_context(vcpu_book3s->context_id); + kvm_vcpu_uninit(vcpu); + free_pages((long)vcpu_book3s, get_order(sizeof(struct kvmppc_vcpu_book3s))); +} + +extern int __kvmppc_vcpu_entry(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); +int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) +{ + int ret; + + /* No need to go into the guest when all we do is going out */ + if (signal_pending(current)) { + kvm_run->exit_reason = KVM_EXIT_INTR; + return -EINTR; + } + + /* XXX we get called with irq disabled - change that! */ + local_irq_enable(); + + ret = __kvmppc_vcpu_entry(kvm_run, vcpu); + + local_irq_disable(); + + return ret; +} + +static int kvmppc_book3s_init(void) +{ + return kvm_init(NULL, sizeof(struct kvmppc_vcpu_book3s), THIS_MODULE); +} + +static void kvmppc_book3s_exit(void) +{ + kvm_exit(); +} + +module_init(kvmppc_book3s_init); +module_exit(kvmppc_book3s_exit); diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c new file mode 100644 index 0000000..faf99f2 --- /dev/null +++ b/arch/powerpc/kvm/book3s_32_mmu.c @@ -0,0 +1,372 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#include <linux/types.h> +#include <linux/string.h> +#include <linux/kvm.h> +#include <linux/kvm_host.h> +#include <linux/highmem.h> + +#include <asm/tlbflush.h> +#include <asm/kvm_ppc.h> +#include <asm/kvm_book3s.h> + +/* #define DEBUG_MMU */ +/* #define DEBUG_MMU_PTE */ +/* #define DEBUG_MMU_PTE_IP 0xfff14c40 */ + +#ifdef DEBUG_MMU +#define dprintk(X...) printk(KERN_INFO X) +#else +#define dprintk(X...) do { } while(0) +#endif + +#ifdef DEBUG_PTE +#define dprintk_pte(X...) printk(KERN_INFO X) +#else +#define dprintk_pte(X...) do { } while(0) +#endif + +#define PTEG_FLAG_ACCESSED 0x00000100 +#define PTEG_FLAG_DIRTY 0x00000080 + +static inline bool check_debug_ip(struct kvm_vcpu *vcpu) +{ +#ifdef DEBUG_MMU_PTE_IP + return vcpu->arch.pc == DEBUG_MMU_PTE_IP; +#else + return true; +#endif +} + +static int kvmppc_mmu_book3s_32_xlate_bat(struct kvm_vcpu *vcpu, gva_t eaddr, + struct kvmppc_pte *pte, bool data); + +static struct kvmppc_sr *find_sr(struct kvmppc_vcpu_book3s *vcpu_book3s, gva_t eaddr) +{ + return &vcpu_book3s->sr[(eaddr >> 28) & 0xf]; +} + +static u64 kvmppc_mmu_book3s_32_ea_to_vp(struct kvm_vcpu *vcpu, gva_t eaddr, + bool data) +{ + struct kvmppc_sr *sre = find_sr(to_book3s(vcpu), eaddr); + struct kvmppc_pte pte; + + if (!kvmppc_mmu_book3s_32_xlate_bat(vcpu, eaddr, &pte, data)) + return pte.vpage; + + return (((u64)eaddr >> 12) & 0xffff) | (((u64)sre->vsid) << 16); +} + +static void kvmppc_mmu_book3s_32_reset_msr(struct kvm_vcpu *vcpu) +{ + kvmppc_set_msr(vcpu, 0); +} + +static hva_t kvmppc_mmu_book3s_32_get_pteg(struct kvmppc_vcpu_book3s *vcpu_book3s, + struct kvmppc_sr *sre, gva_t eaddr, + bool primary) +{ + u32 page, hash, pteg, htabmask; + hva_t r; + + page = (eaddr & 0x0FFFFFFF) >> 12; + htabmask = ((vcpu_book3s->sdr1 & 0x1FF) << 16) | 0xFFC0; + + hash = ((sre->vsid ^ page) << 6); + if (!primary) + hash = ~hash; + hash &= htabmask; + + pteg = (vcpu_book3s->sdr1 & 0xffff0000) | hash; + + dprintk("MMU: pc=0x%lx eaddr=0x%lx sdr1=0x%llx pteg=0x%x vsid=0x%x\n", + vcpu_book3s->vcpu.arch.pc, eaddr, vcpu_book3s->sdr1, pteg, + sre->vsid); + + r = gfn_to_hva(vcpu_book3s->vcpu.kvm, pteg >> PAGE_SHIFT); + if (kvm_is_error_hva(r)) + return r; + return r | (pteg & ~PAGE_MASK); +} + +static u32 kvmppc_mmu_book3s_32_get_ptem(struct kvmppc_sr *sre, gva_t eaddr, + bool primary) +{ + return ((eaddr & 0x0fffffff) >> 22) | (sre->vsid << 7) | + (primary ? 0 : 0x40) | 0x80000000; +} + +static int kvmppc_mmu_book3s_32_xlate_bat(struct kvm_vcpu *vcpu, gva_t eaddr, + struct kvmppc_pte *pte, bool data) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + struct kvmppc_bat *bat; + int i; + + for (i = 0; i < 8; i++) { + if (data) + bat = &vcpu_book3s->dbat[i]; + else + bat = &vcpu_book3s->ibat[i]; + + if (vcpu->arch.msr & MSR_PR) { + if (!bat->vp) + continue; + } else { + if (!bat->vs) + continue; + } + + if (check_debug_ip(vcpu)) + { + dprintk_pte("%cBAT %02d: 0x%lx - 0x%x (0x%x)\n", + data ? 'd' : 'i', i, eaddr, bat->bepi, + bat->bepi_mask); + } + if ((eaddr & bat->bepi_mask) == bat->bepi) { + pte->raddr = bat->brpn | (eaddr & ~bat->bepi_mask); + pte->vpage = (eaddr >> 12) | VSID_BAT; + pte->may_read = bat->pp; + pte->may_write = bat->pp > 1; + pte->may_execute = true; + if (!pte->may_read) { + printk(KERN_INFO "BAT is not readable!\n"); + continue; + } + if (!pte->may_write) { + /* let's treat r/o BATs as not-readable for now */ + dprintk_pte("BAT is read-only!\n"); + continue; + } + + return 0; + } + } + + return -ENOENT; +} + +static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr, + struct kvmppc_pte *pte, bool data, + bool primary) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + struct kvmppc_sr *sre; + hva_t ptegp; + u32 pteg[16]; + u64 ptem = 0; + int i; + int found = 0; + + sre = find_sr(vcpu_book3s, eaddr); + + dprintk_pte("SR 0x%lx: vsid=0x%x, raw=0x%x\n", eaddr >> 28, + sre->vsid, sre->raw); + + pte->vpage = kvmppc_mmu_book3s_32_ea_to_vp(vcpu, eaddr, data); + + ptegp = kvmppc_mmu_book3s_32_get_pteg(vcpu_book3s, sre, eaddr, primary); + if (kvm_is_error_hva(ptegp)) { + printk(KERN_INFO "KVM: Invalid PTEG!\n"); + goto no_page_found; + } + + ptem = kvmppc_mmu_book3s_32_get_ptem(sre, eaddr, primary); + + if(copy_from_user(pteg, (void __user *)ptegp, sizeof(pteg))) { + printk(KERN_ERR "KVM: Can't copy data from 0x%lx!\n", ptegp); + goto no_page_found; + } + + for (i=0; i<16; i+=2) { + if (ptem == pteg[i]) { + u8 pp; + + pte->raddr = (pteg[i+1] & ~(0xFFFULL)) | (eaddr & 0xFFF); + pp = pteg[i+1] & 3; + + if ((sre->Kp && (vcpu->arch.msr & MSR_PR)) || + (sre->Ks && !(vcpu->arch.msr & MSR_PR))) + pp |= 4; + + pte->may_write = false; + pte->may_read = false; + pte->may_execute = true; + switch (pp) { + case 0: + case 1: + case 2: + case 6: + pte->may_write = true; + case 3: + case 5: + case 7: + pte->may_read = true; + break; + } + + if ( !pte->may_read ) + continue; + + dprintk_pte("MMU: Found PTE -> %x %x - %x\n", + pteg[i], pteg[i+1], pp); + found = 1; + break; + } + } + + /* Update PTE C and A bits, so the guest's swapper knows we used the + page */ + if (found) { + u32 oldpte = pteg[i+1]; + + if (pte->may_read) + pteg[i+1] |= PTEG_FLAG_ACCESSED; + if (pte->may_write) + pteg[i+1] |= PTEG_FLAG_DIRTY; + else + dprintk_pte("KVM: Mapping read-only page!\n"); + + /* Write back into the PTEG */ + if (pteg[i+1] != oldpte) + copy_to_user((void __user *)ptegp, pteg, sizeof(pteg)); + + return 0; + } + +no_page_found: + + if (check_debug_ip(vcpu)) { + dprintk_pte("KVM MMU: No PTE found (sdr1=0x%llx ptegp=0x%lx)\n", + to_book3s(vcpu)->sdr1, ptegp); + for (i=0; i<16; i+=2) { + dprintk_pte(" %02d: 0x%x - 0x%x (0x%llx)\n", + i, pteg[i], pteg[i+1], ptem); + } + } + + return -ENOENT; +} + +static int kvmppc_mmu_book3s_32_xlate(struct kvm_vcpu *vcpu, gva_t eaddr, + struct kvmppc_pte *pte, bool data) +{ + int r; + + pte->eaddr = eaddr; + r = kvmppc_mmu_book3s_32_xlate_bat(vcpu, eaddr, pte, data); + if (r < 0) + r = kvmppc_mmu_book3s_32_xlate_pte(vcpu, eaddr, pte, data, true); + if (r < 0) + r = kvmppc_mmu_book3s_32_xlate_pte(vcpu, eaddr, pte, data, false); + + return r; +} + + +static u32 kvmppc_mmu_book3s_32_mfsrin(struct kvm_vcpu *vcpu, u32 srnum) +{ + return to_book3s(vcpu)->sr[srnum].raw; +} + +static void kvmppc_mmu_book3s_32_mtsrin(struct kvm_vcpu *vcpu, u32 srnum, + ulong value) +{ + struct kvmppc_sr *sre; + + sre = &to_book3s(vcpu)->sr[srnum]; + + /* Flush any left-over shadows from the previous SR */ + + /* XXX Not necessary? */ + /* kvmppc_mmu_pte_flush(vcpu, ((u64)sre->vsid) << 28, 0xf0000000ULL); */ + + /* And then put in the new SR */ + sre->raw = value; + sre->vsid = (value & 0x0fffffff); + sre->Ks = (value & 0x40000000) ? true : false; + sre->Kp = (value & 0x20000000) ? true : false; + sre->nx = (value & 0x10000000) ? true : false; + + /* Map the new segment */ + kvmppc_mmu_map_segment(vcpu, srnum << SID_SHIFT); +} + +static void kvmppc_mmu_book3s_32_tlbie(struct kvm_vcpu *vcpu, ulong ea, bool large) +{ + kvmppc_mmu_pte_flush(vcpu, ea, ~0xFFFULL); +} + +static int kvmppc_mmu_book3s_32_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid, + u64 *vsid) +{ + /* In case we only have one of MSR_IR or MSR_DR set, let's put + that in the real-mode context (and hope RM doesn't access + high memory) */ + switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) { + case 0: + *vsid = (VSID_REAL >> 16) | esid; + break; + case MSR_IR: + *vsid = (VSID_REAL_IR >> 16) | esid; + break; + case MSR_DR: + *vsid = (VSID_REAL_DR >> 16) | esid; + break; + case MSR_DR|MSR_IR: + { + ulong ea; + ea = esid << SID_SHIFT; + *vsid = find_sr(to_book3s(vcpu), ea)->vsid; + break; + } + default: + BUG(); + } + + return 0; +} + +static bool kvmppc_mmu_book3s_32_is_dcbz32(struct kvm_vcpu *vcpu) +{ + return true; +} + + +void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu) +{ + struct kvmppc_mmu *mmu = &vcpu->arch.mmu; + + mmu->mtsrin = kvmppc_mmu_book3s_32_mtsrin; + mmu->mfsrin = kvmppc_mmu_book3s_32_mfsrin; + mmu->xlate = kvmppc_mmu_book3s_32_xlate; + mmu->reset_msr = kvmppc_mmu_book3s_32_reset_msr; + mmu->tlbie = kvmppc_mmu_book3s_32_tlbie; + mmu->esid_to_vsid = kvmppc_mmu_book3s_32_esid_to_vsid; + mmu->ea_to_vp = kvmppc_mmu_book3s_32_ea_to_vp; + mmu->is_dcbz32 = kvmppc_mmu_book3s_32_is_dcbz32; + + mmu->slbmte = NULL; + mmu->slbmfee = NULL; + mmu->slbmfev = NULL; + mmu->slbie = NULL; + mmu->slbia = NULL; +} diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c new file mode 100644 index 0000000..1027eac --- /dev/null +++ b/arch/powerpc/kvm/book3s_64_emulate.c @@ -0,0 +1,345 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#include <asm/kvm_ppc.h> +#include <asm/disassemble.h> +#include <asm/kvm_book3s.h> +#include <asm/reg.h> + +#define OP_19_XOP_RFID 18 +#define OP_19_XOP_RFI 50 + +#define OP_31_XOP_MFMSR 83 +#define OP_31_XOP_MTMSR 146 +#define OP_31_XOP_MTMSRD 178 +#define OP_31_XOP_MTSRIN 242 +#define OP_31_XOP_TLBIEL 274 +#define OP_31_XOP_TLBIE 306 +#define OP_31_XOP_SLBMTE 402 +#define OP_31_XOP_SLBIE 434 +#define OP_31_XOP_SLBIA 498 +#define OP_31_XOP_MFSRIN 659 +#define OP_31_XOP_SLBMFEV 851 +#define OP_31_XOP_EIOIO 854 +#define OP_31_XOP_SLBMFEE 915 + +/* DCBZ is actually 1014, but we patch it to 1010 so we get a trap */ +#define OP_31_XOP_DCBZ 1010 + +int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, + unsigned int inst, int *advance) +{ + int emulated = EMULATE_DONE; + + switch (get_op(inst)) { + case 19: + switch (get_xop(inst)) { + case OP_19_XOP_RFID: + case OP_19_XOP_RFI: + vcpu->arch.pc = vcpu->arch.srr0; + kvmppc_set_msr(vcpu, vcpu->arch.srr1); + *advance = 0; + break; + + default: + emulated = EMULATE_FAIL; + break; + } + break; + case 31: + switch (get_xop(inst)) { + case OP_31_XOP_MFMSR: + vcpu->arch.gpr[get_rt(inst)] = vcpu->arch.msr; + break; + case OP_31_XOP_MTMSRD: + { + ulong rs = vcpu->arch.gpr[get_rs(inst)]; + if (inst & 0x10000) { + vcpu->arch.msr &= ~(MSR_RI | MSR_EE); + vcpu->arch.msr |= rs & (MSR_RI | MSR_EE); + } else + kvmppc_set_msr(vcpu, rs); + break; + } + case OP_31_XOP_MTMSR: + kvmppc_set_msr(vcpu, vcpu->arch.gpr[get_rs(inst)]); + break; + case OP_31_XOP_MFSRIN: + { + int srnum; + + srnum = (vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf; + if (vcpu->arch.mmu.mfsrin) { + u32 sr; + sr = vcpu->arch.mmu.mfsrin(vcpu, srnum); + vcpu->arch.gpr[get_rt(inst)] = sr; + } + break; + } + case OP_31_XOP_MTSRIN: + vcpu->arch.mmu.mtsrin(vcpu, + (vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf, + vcpu->arch.gpr[get_rs(inst)]); + break; + case OP_31_XOP_TLBIE: + case OP_31_XOP_TLBIEL: + { + bool large = (inst & 0x00200000) ? true : false; + ulong addr = vcpu->arch.gpr[get_rb(inst)]; + vcpu->arch.mmu.tlbie(vcpu, addr, large); + break; + } + case OP_31_XOP_EIOIO: + break; + case OP_31_XOP_SLBMTE: + if (!vcpu->arch.mmu.slbmte) + return EMULATE_FAIL; + + vcpu->arch.mmu.slbmte(vcpu, vcpu->arch.gpr[get_rs(inst)], + vcpu->arch.gpr[get_rb(inst)]); + break; + case OP_31_XOP_SLBIE: + if (!vcpu->arch.mmu.slbie) + return EMULATE_FAIL; + + vcpu->arch.mmu.slbie(vcpu, vcpu->arch.gpr[get_rb(inst)]); + break; + case OP_31_XOP_SLBIA: + if (!vcpu->arch.mmu.slbia) + return EMULATE_FAIL; + + vcpu->arch.mmu.slbia(vcpu); + break; + case OP_31_XOP_SLBMFEE: + if (!vcpu->arch.mmu.slbmfee) { + emulated = EMULATE_FAIL; + } else { + ulong t, rb; + + rb = vcpu->arch.gpr[get_rb(inst)]; + t = vcpu->arch.mmu.slbmfee(vcpu, rb); + vcpu->arch.gpr[get_rt(inst)] = t; + } + break; + case OP_31_XOP_SLBMFEV: + if (!vcpu->arch.mmu.slbmfev) { + emulated = EMULATE_FAIL; + } else { + ulong t, rb; + + rb = vcpu->arch.gpr[get_rb(inst)]; + t = vcpu->arch.mmu.slbmfev(vcpu, rb); + vcpu->arch.gpr[get_rt(inst)] = t; + } + break; + case OP_31_XOP_DCBZ: + { + ulong rb = vcpu->arch.gpr[get_rb(inst)]; + ulong ra = 0; + ulong addr; + u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; + + if (get_ra(inst)) + ra = vcpu->arch.gpr[get_ra(inst)]; + + addr = (ra + rb) & ~31ULL; + if (!(vcpu->arch.msr & MSR_SF)) + addr &= 0xffffffff; + + if (kvmppc_st(vcpu, addr, 32, zeros)) { + vcpu->arch.dear = addr; + vcpu->arch.fault_dear = addr; + to_book3s(vcpu)->dsisr = DSISR_PROTFAULT | + DSISR_ISSTORE; + kvmppc_book3s_queue_irqprio(vcpu, + BOOK3S_INTERRUPT_DATA_STORAGE); + kvmppc_mmu_pte_flush(vcpu, addr, ~0xFFFULL); + } + + break; + } + default: + emulated = EMULATE_FAIL; + } + break; + default: + emulated = EMULATE_FAIL; + } + + return emulated; +} + +void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, bool upper, + u32 val) +{ + if (upper) { + /* Upper BAT */ + u32 bl = (val >> 2) & 0x7ff; + bat->bepi_mask = (~bl << 17); + bat->bepi = val & 0xfffe0000; + bat->vs = (val & 2) ? 1 : 0; + bat->vp = (val & 1) ? 1 : 0; + bat->raw = (bat->raw & 0xffffffff00000000ULL) | val; + } else { + /* Lower BAT */ + bat->brpn = val & 0xfffe0000; + bat->wimg = (val >> 3) & 0xf; + bat->pp = val & 3; + bat->raw = (bat->raw & 0x00000000ffffffffULL) | ((u64)val << 32); + } +} + +static void kvmppc_write_bat(struct kvm_vcpu *vcpu, int sprn, u32 val) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + struct kvmppc_bat *bat; + + switch (sprn) { + case SPRN_IBAT0U ... SPRN_IBAT3L: + bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT0U) / 2]; + break; + case SPRN_IBAT4U ... SPRN_IBAT7L: + bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT4U) / 2]; + break; + case SPRN_DBAT0U ... SPRN_DBAT3L: + bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT0U) / 2]; + break; + case SPRN_DBAT4U ... SPRN_DBAT7L: + bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT4U) / 2]; + break; + default: + BUG(); + } + + kvmppc_set_bat(vcpu, bat, !(sprn % 2), val); +} + +int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) +{ + int emulated = EMULATE_DONE; + + switch (sprn) { + case SPRN_SDR1: + to_book3s(vcpu)->sdr1 = vcpu->arch.gpr[rs]; + break; + case SPRN_DSISR: + to_book3s(vcpu)->dsisr = vcpu->arch.gpr[rs]; + break; + case SPRN_DAR: + vcpu->arch.dear = vcpu->arch.gpr[rs]; + break; + case SPRN_HIOR: + to_book3s(vcpu)->hior = vcpu->arch.gpr[rs]; + break; + case SPRN_IBAT0U ... SPRN_IBAT3L: + case SPRN_IBAT4U ... SPRN_IBAT7L: + case SPRN_DBAT0U ... SPRN_DBAT3L: + case SPRN_DBAT4U ... SPRN_DBAT7L: + kvmppc_write_bat(vcpu, sprn, (u32)vcpu->arch.gpr[rs]); + /* BAT writes happen so rarely that we're ok to flush + * everything here */ + kvmppc_mmu_pte_flush(vcpu, 0, 0); + break; + case SPRN_HID0: + to_book3s(vcpu)->hid[0] = vcpu->arch.gpr[rs]; + break; + case SPRN_HID1: + to_book3s(vcpu)->hid[1] = vcpu->arch.gpr[rs]; + break; + case SPRN_HID2: + to_book3s(vcpu)->hid[2] = vcpu->arch.gpr[rs]; + break; + case SPRN_HID4: + to_book3s(vcpu)->hid[4] = vcpu->arch.gpr[rs]; + break; + case SPRN_HID5: + to_book3s(vcpu)->hid[5] = vcpu->arch.gpr[rs]; + /* guest HID5 set can change is_dcbz32 */ + if (vcpu->arch.mmu.is_dcbz32(vcpu) && + (mfmsr() & MSR_HV)) + vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32; + break; + case SPRN_ICTC: + case SPRN_THRM1: + case SPRN_THRM2: + case SPRN_THRM3: + case SPRN_CTRLF: + case SPRN_CTRLT: + break; + default: + printk(KERN_INFO "KVM: invalid SPR write: %d\n", sprn); +#ifndef DEBUG_SPR + emulated = EMULATE_FAIL; +#endif + break; + } + + return emulated; +} + +int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) +{ + int emulated = EMULATE_DONE; + + switch (sprn) { + case SPRN_SDR1: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->sdr1; + break; + case SPRN_DSISR: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->dsisr; + break; + case SPRN_DAR: + vcpu->arch.gpr[rt] = vcpu->arch.dear; + break; + case SPRN_HIOR: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->hior; + break; + case SPRN_HID0: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[0]; + break; + case SPRN_HID1: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[1]; + break; + case SPRN_HID2: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[2]; + break; + case SPRN_HID4: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[4]; + break; + case SPRN_HID5: + vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[5]; + break; + case SPRN_THRM1: + case SPRN_THRM2: + case SPRN_THRM3: + case SPRN_CTRLF: + case SPRN_CTRLT: + vcpu->arch.gpr[rt] = 0; + break; + default: + printk(KERN_INFO "KVM: invalid SPR read: %d\n", sprn); +#ifndef DEBUG_SPR + emulated = EMULATE_FAIL; +#endif + break; + } + + return emulated; +} + diff --git a/arch/powerpc/kvm/book3s_64_exports.c b/arch/powerpc/kvm/book3s_64_exports.c new file mode 100644 index 0000000..5b2db38 --- /dev/null +++ b/arch/powerpc/kvm/book3s_64_exports.c @@ -0,0 +1,24 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#include <linux/module.h> +#include <asm/kvm_book3s.h> + +EXPORT_SYMBOL_GPL(kvmppc_trampoline_enter); +EXPORT_SYMBOL_GPL(kvmppc_trampoline_lowmem); diff --git a/arch/powerpc/kvm/book3s_64_interrupts.S b/arch/powerpc/kvm/book3s_64_interrupts.S new file mode 100644 index 0000000..7b55d80 --- /dev/null +++ b/arch/powerpc/kvm/book3s_64_interrupts.S @@ -0,0 +1,392 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#include <asm/ppc_asm.h> +#include <asm/kvm_asm.h> +#include <asm/reg.h> +#include <asm/page.h> +#include <asm/asm-offsets.h> +#include <asm/exception-64s.h> + +#define KVMPPC_HANDLE_EXIT .kvmppc_handle_exit +#define ULONG_SIZE 8 +#define VCPU_GPR(n) (VCPU_GPRS + (n * ULONG_SIZE)) + +.macro mfpaca tmp_reg, src_reg, offset, vcpu_reg + ld \tmp_reg, (PACA_EXMC+\offset)(r13) + std \tmp_reg, VCPU_GPR(\src_reg)(\vcpu_reg) +.endm + +.macro DISABLE_INTERRUPTS + mfmsr r0 + rldicl r0,r0,48,1 + rotldi r0,r0,16 + mtmsrd r0,1 +.endm + +/***************************************************************************** + * * + * Guest entry / exit code that is in kernel module memory (highmem) * + * * + ****************************************************************************/ + +/* Registers: + * r3: kvm_run pointer + * r4: vcpu pointer + */ +_GLOBAL(__kvmppc_vcpu_entry) + +kvm_start_entry: + /* Write correct stack frame */ + mflr r0 + std r0,16(r1) + + /* Save host state to the stack */ + stdu r1, -SWITCH_FRAME_SIZE(r1) + + /* Save r3 (kvm_run) and r4 (vcpu) */ + SAVE_2GPRS(3, r1) + + /* Save non-volatile registers (r14 - r31) */ + SAVE_NVGPRS(r1) + + /* Save LR */ + mflr r14 + std r14, _LINK(r1) + +/* XXX optimize non-volatile loading away */ +kvm_start_lightweight: + + DISABLE_INTERRUPTS + + /* Save R1/R2 in the PACA */ + std r1, PACAR1(r13) + std r2, (PACA_EXMC+EX_SRR0)(r13) + ld r3, VCPU_HIGHMEM_HANDLER(r4) + std r3, PACASAVEDMSR(r13) + + /* Load non-volatile guest state from the vcpu */ + ld r14, VCPU_GPR(r14)(r4) + ld r15, VCPU_GPR(r15)(r4) + ld r16, VCPU_GPR(r16)(r4) + ld r17, VCPU_GPR(r17)(r4) + ld r18, VCPU_GPR(r18)(r4) + ld r19, VCPU_GPR(r19)(r4) + ld r20, VCPU_GPR(r20)(r4) + ld r21, VCPU_GPR(r21)(r4) + ld r22, VCPU_GPR(r22)(r4) + ld r23, VCPU_GPR(r23)(r4) + ld r24, VCPU_GPR(r24)(r4) + ld r25, VCPU_GPR(r25)(r4) + ld r26, VCPU_GPR(r26)(r4) + ld r27, VCPU_GPR(r27)(r4) + ld r28, VCPU_GPR(r28)(r4) + ld r29, VCPU_GPR(r29)(r4) + ld r30, VCPU_GPR(r30)(r4) + ld r31, VCPU_GPR(r31)(r4) + + ld r9, VCPU_PC(r4) /* r9 = vcpu->arch.pc */ + ld r10, VCPU_SHADOW_MSR(r4) /* r10 = vcpu->arch.shadow_msr */ + + ld r3, VCPU_TRAMPOLINE_ENTER(r4) + mtsrr0 r3 + + LOAD_REG_IMMEDIATE(r3, MSR_KERNEL & ~(MSR_IR | MSR_DR)) + mtsrr1 r3 + + /* Load guest state in the respective registers */ + lwz r3, VCPU_CR(r4) /* r3 = vcpu->arch.cr */ + stw r3, (PACA_EXMC + EX_CCR)(r13) + + ld r3, VCPU_CTR(r4) /* r3 = vcpu->arch.ctr */ + mtctr r3 /* CTR = r3 */ + + ld r3, VCPU_LR(r4) /* r3 = vcpu->arch.lr */ + mtlr r3 /* LR = r3 */ + + ld r3, VCPU_XER(r4) /* r3 = vcpu->arch.xer */ + std r3, (PACA_EXMC + EX_R3)(r13) + + /* Some guests may need to have dcbz set to 32 byte length. + * + * Usually we ensure that by patching the guest's instructions + * to trap on dcbz and emulate it in the hypervisor. + * + * If we can, we should tell the CPU to use 32 byte dcbz though, + * because that's a lot faster. + */ + + ld r3, VCPU_HFLAGS(r4) + rldicl. r3, r3, 0, 63 /* CR = ((r3 & 1) == 0) */ + beq no_dcbz32_on + + mfspr r3,SPRN_HID5 + ori r3, r3, 0x80 /* XXX HID5_dcbz32 = 0x80 */ + mtspr SPRN_HID5,r3 + +no_dcbz32_on: + /* Load guest GPRs */ + + ld r3, VCPU_GPR(r9)(r4) + std r3, (PACA_EXMC + EX_R9)(r13) + ld r3, VCPU_GPR(r10)(r4) + std r3, (PACA_EXMC + EX_R10)(r13) + ld r3, VCPU_GPR(r11)(r4) + std r3, (PACA_EXMC + EX_R11)(r13) + ld r3, VCPU_GPR(r12)(r4) + std r3, (PACA_EXMC + EX_R12)(r13) + ld r3, VCPU_GPR(r13)(r4) + std r3, (PACA_EXMC + EX_R13)(r13) + + ld r0, VCPU_GPR(r0)(r4) + ld r1, VCPU_GPR(r1)(r4) + ld r2, VCPU_GPR(r2)(r4) + ld r3, VCPU_GPR(r3)(r4) + ld r5, VCPU_GPR(r5)(r4) + ld r6, VCPU_GPR(r6)(r4) + ld r7, VCPU_GPR(r7)(r4) + ld r8, VCPU_GPR(r8)(r4) + ld r4, VCPU_GPR(r4)(r4) + + /* This sets the Magic value for the trampoline */ + + li r11, 1 + stb r11, PACA_KVM_IN_GUEST(r13) + + /* Jump to SLB patching handlder and into our guest */ + RFI + +/* + * This is the handler in module memory. It gets jumped at from the + * lowmem trampoline code, so it's basically the guest exit code. + * + */ + +.global kvmppc_handler_highmem +kvmppc_handler_highmem: + + /* + * Register usage at this point: + * + * R00 = guest R13 + * R01 = host R1 + * R02 = host R2 + * R10 = guest PC + * R11 = guest MSR + * R12 = exit handler id + * R13 = PACA + * PACA.exmc.R9 = guest R1 + * PACA.exmc.R10 = guest R10 + * PACA.exmc.R11 = guest R11 + * PACA.exmc.R12 = guest R12 + * PACA.exmc.R13 = guest R2 + * PACA.exmc.DAR = guest DAR + * PACA.exmc.DSISR = guest DSISR + * PACA.exmc.LR = guest instruction + * PACA.exmc.CCR = guest CR + * PACA.exmc.SRR0 = guest R0 + * + */ + + std r3, (PACA_EXMC+EX_R3)(r13) + + /* save the exit id in R3 */ + mr r3, r12 + + /* R12 = vcpu */ + ld r12, GPR4(r1) + + /* Now save the guest state */ + + std r0, VCPU_GPR(r13)(r12) + std r4, VCPU_GPR(r4)(r12) + std r5, VCPU_GPR(r5)(r12) + std r6, VCPU_GPR(r6)(r12) + std r7, VCPU_GPR(r7)(r12) + std r8, VCPU_GPR(r8)(r12) + std r9, VCPU_GPR(r9)(r12) + + /* get registers from PACA */ + mfpaca r5, r0, EX_SRR0, r12 + mfpaca r5, r3, EX_R3, r12 + mfpaca r5, r1, EX_R9, r12 + mfpaca r5, r10, EX_R10, r12 + mfpaca r5, r11, EX_R11, r12 + mfpaca r5, r12, EX_R12, r12 + mfpaca r5, r2, EX_R13, r12 + + lwz r5, (PACA_EXMC+EX_LR)(r13) + stw r5, VCPU_LAST_INST(r12) + + lwz r5, (PACA_EXMC+EX_CCR)(r13) + stw r5, VCPU_CR(r12) + + ld r5, VCPU_HFLAGS(r12) + rldicl. r5, r5, 0, 63 /* CR = ((r5 & 1) == 0) */ + beq no_dcbz32_off + + mfspr r5,SPRN_HID5 + rldimi r5,r5,6,56 + mtspr SPRN_HID5,r5 + +no_dcbz32_off: + + /* XXX maybe skip on lightweight? */ + std r14, VCPU_GPR(r14)(r12) + std r15, VCPU_GPR(r15)(r12) + std r16, VCPU_GPR(r16)(r12) + std r17, VCPU_GPR(r17)(r12) + std r18, VCPU_GPR(r18)(r12) + std r19, VCPU_GPR(r19)(r12) + std r20, VCPU_GPR(r20)(r12) + std r21, VCPU_GPR(r21)(r12) + std r22, VCPU_GPR(r22)(r12) + std r23, VCPU_GPR(r23)(r12) + std r24, VCPU_GPR(r24)(r12) + std r25, VCPU_GPR(r25)(r12) + std r26, VCPU_GPR(r26)(r12) + std r27, VCPU_GPR(r27)(r12) + std r28, VCPU_GPR(r28)(r12) + std r29, VCPU_GPR(r29)(r12) + std r30, VCPU_GPR(r30)(r12) + std r31, VCPU_GPR(r31)(r12) + + /* Restore non-volatile host registers (r14 - r31) */ + REST_NVGPRS(r1) + + /* Save guest PC (R10) */ + std r10, VCPU_PC(r12) + + /* Save guest msr (R11) */ + std r11, VCPU_SHADOW_MSR(r12) + + /* Save guest CTR (in R12) */ + mfctr r5 + std r5, VCPU_CTR(r12) + + /* Save guest LR */ + mflr r5 + std r5, VCPU_LR(r12) + + /* Save guest XER */ + mfxer r5 + std r5, VCPU_XER(r12) + + /* Save guest DAR */ + ld r5, (PACA_EXMC+EX_DAR)(r13) + std r5, VCPU_FAULT_DEAR(r12) + + /* Save guest DSISR */ + lwz r5, (PACA_EXMC+EX_DSISR)(r13) + std r5, VCPU_FAULT_DSISR(r12) + + /* Restore host msr -> SRR1 */ + ld r7, VCPU_HOST_MSR(r12) + mtsrr1 r7 + + /* Restore host IP -> SRR0 */ + ld r6, VCPU_HOST_RETIP(r12) + mtsrr0 r6 + + /* + * For some interrupts, we need to call the real Linux + * handler, so it can do work for us. This has to happen + * as if the interrupt arrived from the kernel though, + * so let's fake it here where most state is restored. + * + * Call Linux for hardware interrupts/decrementer + * r3 = address of interrupt handler (exit reason) + */ + + cmpwi r3, BOOK3S_INTERRUPT_EXTERNAL + beq call_linux_handler + cmpwi r3, BOOK3S_INTERRUPT_DECREMENTER + beq call_linux_handler + + /* Back to Interruptable Mode! (goto kvm_return_point) */ + RFI + +call_linux_handler: + + /* + * If we land here we need to jump back to the handler we + * came from. + * + * We have a page that we can access from real mode, so let's + * jump back to that and use it as a trampoline to get back into the + * interrupt handler! + * + * R3 still contains the exit code, + * R6 VCPU_HOST_RETIP and + * R7 VCPU_HOST_MSR + */ + + mtlr r3 + + ld r5, VCPU_TRAMPOLINE_LOWMEM(r12) + mtsrr0 r5 + LOAD_REG_IMMEDIATE(r5, MSR_KERNEL & ~(MSR_IR | MSR_DR)) + mtsrr1 r5 + + RFI + +.global kvm_return_point +kvm_return_point: + + /* Jump back to lightweight entry if we're supposed to */ + /* go back into the guest */ + mr r5, r3 + /* Restore r3 (kvm_run) and r4 (vcpu) */ + REST_2GPRS(3, r1) + bl KVMPPC_HANDLE_EXIT + +#if 0 /* XXX get lightweight exits back */ + cmpwi r3, RESUME_GUEST + bne kvm_exit_heavyweight + + /* put VCPU and KVM_RUN back into place and roll again! */ + REST_2GPRS(3, r1) + b kvm_start_lightweight + +kvm_exit_heavyweight: + /* Restore non-volatile host registers */ + ld r14, _LINK(r1) + mtlr r14 + REST_NVGPRS(r1) + + addi r1, r1, SWITCH_FRAME_SIZE +#else + ld r4, _LINK(r1) + mtlr r4 + + cmpwi r3, RESUME_GUEST + bne kvm_exit_heavyweight + + REST_2GPRS(3, r1) + + addi r1, r1, SWITCH_FRAME_SIZE + + b kvm_start_entry + +kvm_exit_heavyweight: + + addi r1, r1, SWITCH_FRAME_SIZE +#endif + + blr diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c new file mode 100644 index 0000000..5598f88 --- /dev/null +++ b/arch/powerpc/kvm/book3s_64_mmu.c @@ -0,0 +1,478 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#include <linux/types.h> +#include <linux/string.h> +#include <linux/kvm.h> +#include <linux/kvm_host.h> +#include <linux/highmem.h> + +#include <asm/tlbflush.h> +#include <asm/kvm_ppc.h> +#include <asm/kvm_book3s.h> + +/* #define DEBUG_MMU */ + +#ifdef DEBUG_MMU +#define dprintk(X...) printk(KERN_INFO X) +#else +#define dprintk(X...) do { } while(0) +#endif + +static void kvmppc_mmu_book3s_64_reset_msr(struct kvm_vcpu *vcpu) +{ + kvmppc_set_msr(vcpu, MSR_SF); +} + +static struct kvmppc_slb *kvmppc_mmu_book3s_64_find_slbe( + struct kvmppc_vcpu_book3s *vcpu_book3s, + gva_t eaddr) +{ + int i; + u64 esid = GET_ESID(eaddr); + u64 esid_1t = GET_ESID_1T(eaddr); + + for (i = 0; i < vcpu_book3s->slb_nr; i++) { + u64 cmp_esid = esid; + + if (!vcpu_book3s->slb[i].valid) + continue; + + if (vcpu_book3s->slb[i].large) + cmp_esid = esid_1t; + + if (vcpu_book3s->slb[i].esid == cmp_esid) + return &vcpu_book3s->slb[i]; + } + + dprintk("KVM: No SLB entry found for 0x%lx [%llx | %llx]\n", + eaddr, esid, esid_1t); + for (i = 0; i < vcpu_book3s->slb_nr; i++) { + if (vcpu_book3s->slb[i].vsid) + dprintk(" %d: %c%c %llx %llx\n", i, + vcpu_book3s->slb[i].valid ? 'v' : ' ', + vcpu_book3s->slb[i].large ? 'l' : ' ', + vcpu_book3s->slb[i].esid, + vcpu_book3s->slb[i].vsid); + } + + return NULL; +} + +static u64 kvmppc_mmu_book3s_64_ea_to_vp(struct kvm_vcpu *vcpu, gva_t eaddr, + bool data) +{ + struct kvmppc_slb *slb; + + slb = kvmppc_mmu_book3s_64_find_slbe(to_book3s(vcpu), eaddr); + if (!slb) + return 0; + + if (slb->large) + return (((u64)eaddr >> 12) & 0xfffffff) | + (((u64)slb->vsid) << 28); + + return (((u64)eaddr >> 12) & 0xffff) | (((u64)slb->vsid) << 16); +} + +static int kvmppc_mmu_book3s_64_get_pagesize(struct kvmppc_slb *slbe) +{ + return slbe->large ? 24 : 12; +} + +static u32 kvmppc_mmu_book3s_64_get_page(struct kvmppc_slb *slbe, gva_t eaddr) +{ + int p = kvmppc_mmu_book3s_64_get_pagesize(slbe); + return ((eaddr & 0xfffffff) >> p); +} + +static hva_t kvmppc_mmu_book3s_64_get_pteg( + struct kvmppc_vcpu_book3s *vcpu_book3s, + struct kvmppc_slb *slbe, gva_t eaddr, + bool second) +{ + u64 hash, pteg, htabsize; + u32 page; + hva_t r; + + page = kvmppc_mmu_book3s_64_get_page(slbe, eaddr); + htabsize = ((1 << ((vcpu_book3s->sdr1 & 0x1f) + 11)) - 1); + + hash = slbe->vsid ^ page; + if (second) + hash = ~hash; + hash &= ((1ULL << 39ULL) - 1ULL); + hash &= htabsize; + hash <<= 7ULL; + + pteg = vcpu_book3s->sdr1 & 0xfffffffffffc0000ULL; + pteg |= hash; + + dprintk("MMU: page=0x%x sdr1=0x%llx pteg=0x%llx vsid=0x%llx\n", + page, vcpu_book3s->sdr1, pteg, slbe->vsid); + + r = gfn_to_hva(vcpu_book3s->vcpu.kvm, pteg >> PAGE_SHIFT); + if (kvm_is_error_hva(r)) + return r; + return r | (pteg & ~PAGE_MASK); +} + +static u64 kvmppc_mmu_book3s_64_get_avpn(struct kvmppc_slb *slbe, gva_t eaddr) +{ + int p = kvmppc_mmu_book3s_64_get_pagesize(slbe); + u64 avpn; + + avpn = kvmppc_mmu_book3s_64_get_page(slbe, eaddr); + avpn |= slbe->vsid << (28 - p); + + if (p < 24) + avpn >>= ((80 - p) - 56) - 8; + else + avpn <<= 8; + + return avpn; +} + +static int kvmppc_mmu_book3s_64_xlate(struct kvm_vcpu *vcpu, gva_t eaddr, + struct kvmppc_pte *gpte, bool data) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + struct kvmppc_slb *slbe; + hva_t ptegp; + u64 pteg[16]; + u64 avpn = 0; + int i; + u8 key = 0; + bool found = false; + bool perm_err = false; + int second = 0; + + slbe = kvmppc_mmu_book3s_64_find_slbe(vcpu_book3s, eaddr); + if (!slbe) + goto no_seg_found; + +do_second: + ptegp = kvmppc_mmu_book3s_64_get_pteg(vcpu_book3s, slbe, eaddr, second); + if (kvm_is_error_hva(ptegp)) + goto no_page_found; + + avpn = kvmppc_mmu_book3s_64_get_avpn(slbe, eaddr); + + if(copy_from_user(pteg, (void __user *)ptegp, sizeof(pteg))) { + printk(KERN_ERR "KVM can't copy data from 0x%lx!\n", ptegp); + goto no_page_found; + } + + if ((vcpu->arch.msr & MSR_PR) && slbe->Kp) + key = 4; + else if (!(vcpu->arch.msr & MSR_PR) && slbe->Ks) + key = 4; + + for (i=0; i<16; i+=2) { + u64 v = pteg[i]; + u64 r = pteg[i+1]; + + /* Valid check */ + if (!(v & HPTE_V_VALID)) + continue; + /* Hash check */ + if ((v & HPTE_V_SECONDARY) != second) + continue; + + /* AVPN compare */ + if (HPTE_V_AVPN_VAL(avpn) == HPTE_V_AVPN_VAL(v)) { + u8 pp = (r & HPTE_R_PP) | key; + int eaddr_mask = 0xFFF; + + gpte->eaddr = eaddr; + gpte->vpage = kvmppc_mmu_book3s_64_ea_to_vp(vcpu, + eaddr, + data); + if (slbe->large) + eaddr_mask = 0xFFFFFF; + gpte->raddr = (r & HPTE_R_RPN) | (eaddr & eaddr_mask); + gpte->may_execute = ((r & HPTE_R_N) ? false : true); + gpte->may_read = false; + gpte->may_write = false; + + switch (pp) { + case 0: + case 1: + case 2: + case 6: + gpte->may_write = true; + /* fall through */ + case 3: + case 5: + case 7: + gpte->may_read = true; + break; + } + + if (!gpte->may_read) { + perm_err = true; + continue; + } + + dprintk("KVM MMU: Translated 0x%lx [0x%llx] -> 0x%llx " + "-> 0x%llx\n", + eaddr, avpn, gpte->vpage, gpte->raddr); + found = true; + break; + } + } + + /* Update PTE R and C bits, so the guest's swapper knows we used the + * page */ + if (found) { + u32 oldr = pteg[i+1]; + + if (gpte->may_read) { + /* Set the accessed flag */ + pteg[i+1] |= HPTE_R_R; + } + if (gpte->may_write) { + /* Set the dirty flag */ + pteg[i+1] |= HPTE_R_C; + } else { + dprintk("KVM: Mapping read-only page!\n"); + } + + /* Write back into the PTEG */ + if (pteg[i+1] != oldr) + copy_to_user((void __user *)ptegp, pteg, sizeof(pteg)); + + return 0; + } else { + dprintk("KVM MMU: No PTE found (ea=0x%lx sdr1=0x%llx " + "ptegp=0x%lx)\n", + eaddr, to_book3s(vcpu)->sdr1, ptegp); + for (i = 0; i < 16; i += 2) + dprintk(" %02d: 0x%llx - 0x%llx (0x%llx)\n", + i, pteg[i], pteg[i+1], avpn); + + if (!second) { + second = HPTE_V_SECONDARY; + goto do_second; + } + } + + +no_page_found: + + + if (perm_err) + return -EPERM; + + return -ENOENT; + +no_seg_found: + + dprintk("KVM MMU: Trigger segment fault\n"); + return -EINVAL; +} + +static void kvmppc_mmu_book3s_64_slbmte(struct kvm_vcpu *vcpu, u64 rs, u64 rb) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s; + u64 esid, esid_1t; + int slb_nr; + struct kvmppc_slb *slbe; + + dprintk("KVM MMU: slbmte(0x%llx, 0x%llx)\n", rs, rb); + + vcpu_book3s = to_book3s(vcpu); + + esid = GET_ESID(rb); + esid_1t = GET_ESID_1T(rb); + slb_nr = rb & 0xfff; + + if (slb_nr > vcpu_book3s->slb_nr) + return; + + slbe = &vcpu_book3s->slb[slb_nr]; + + slbe->large = (rs & SLB_VSID_L) ? 1 : 0; + slbe->esid = slbe->large ? esid_1t : esid; + slbe->vsid = rs >> 12; + slbe->valid = (rb & SLB_ESID_V) ? 1 : 0; + slbe->Ks = (rs & SLB_VSID_KS) ? 1 : 0; + slbe->Kp = (rs & SLB_VSID_KP) ? 1 : 0; + slbe->nx = (rs & SLB_VSID_N) ? 1 : 0; + slbe->class = (rs & SLB_VSID_C) ? 1 : 0; + + slbe->orige = rb & (ESID_MASK | SLB_ESID_V); + slbe->origv = rs; + + /* Map the new segment */ + kvmppc_mmu_map_segment(vcpu, esid << SID_SHIFT); +} + +static u64 kvmppc_mmu_book3s_64_slbmfee(struct kvm_vcpu *vcpu, u64 slb_nr) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + struct kvmppc_slb *slbe; + + if (slb_nr > vcpu_book3s->slb_nr) + return 0; + + slbe = &vcpu_book3s->slb[slb_nr]; + + return slbe->orige; +} + +static u64 kvmppc_mmu_book3s_64_slbmfev(struct kvm_vcpu *vcpu, u64 slb_nr) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + struct kvmppc_slb *slbe; + + if (slb_nr > vcpu_book3s->slb_nr) + return 0; + + slbe = &vcpu_book3s->slb[slb_nr]; + + return slbe->origv; +} + +static void kvmppc_mmu_book3s_64_slbie(struct kvm_vcpu *vcpu, u64 ea) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + struct kvmppc_slb *slbe; + + dprintk("KVM MMU: slbie(0x%llx)\n", ea); + + slbe = kvmppc_mmu_book3s_64_find_slbe(vcpu_book3s, ea); + + if (!slbe) + return; + + dprintk("KVM MMU: slbie(0x%llx, 0x%llx)\n", ea, slbe->esid); + + slbe->valid = false; + + kvmppc_mmu_map_segment(vcpu, ea); +} + +static void kvmppc_mmu_book3s_64_slbia(struct kvm_vcpu *vcpu) +{ + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + int i; + + dprintk("KVM MMU: slbia()\n"); + + for (i = 1; i < vcpu_book3s->slb_nr; i++) + vcpu_book3s->slb[i].valid = false; + + if (vcpu->arch.msr & MSR_IR) { + kvmppc_mmu_flush_segments(vcpu); + kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc); + } +} + +static void kvmppc_mmu_book3s_64_mtsrin(struct kvm_vcpu *vcpu, u32 srnum, + ulong value) +{ + u64 rb = 0, rs = 0; + + /* ESID = srnum */ + rb |= (srnum & 0xf) << 28; + /* Set the valid bit */ + rb |= 1 << 27; + /* Index = ESID */ + rb |= srnum; + + /* VSID = VSID */ + rs |= (value & 0xfffffff) << 12; + /* flags = flags */ + rs |= ((value >> 27) & 0xf) << 9; + + kvmppc_mmu_book3s_64_slbmte(vcpu, rs, rb); +} + +static void kvmppc_mmu_book3s_64_tlbie(struct kvm_vcpu *vcpu, ulong va, + bool large) +{ + u64 mask = 0xFFFFFFFFFULL; + + dprintk("KVM MMU: tlbie(0x%lx)\n", va); + + if (large) + mask = 0xFFFFFF000ULL; + kvmppc_mmu_pte_vflush(vcpu, va >> 12, mask); +} + +static int kvmppc_mmu_book3s_64_esid_to_vsid(struct kvm_vcpu *vcpu, u64 esid, + u64 *vsid) +{ + switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) { + case 0: + *vsid = (VSID_REAL >> 16) | esid; + break; + case MSR_IR: + *vsid = (VSID_REAL_IR >> 16) | esid; + break; + case MSR_DR: + *vsid = (VSID_REAL_DR >> 16) | esid; + break; + case MSR_DR|MSR_IR: + { + ulong ea; + struct kvmppc_slb *slb; + ea = esid << SID_SHIFT; + slb = kvmppc_mmu_book3s_64_find_slbe(to_book3s(vcpu), ea); + if (slb) + *vsid = slb->vsid; + else + return -ENOENT; + + break; + } + default: + BUG(); + break; + } + + return 0; +} + +static bool kvmppc_mmu_book3s_64_is_dcbz32(struct kvm_vcpu *vcpu) +{ + return (to_book3s(vcpu)->hid[5] & 0x80); +} + +void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu) +{ + struct kvmppc_mmu *mmu = &vcpu->arch.mmu; + + mmu->mfsrin = NULL; + mmu->mtsrin = kvmppc_mmu_book3s_64_mtsrin; + mmu->slbmte = kvmppc_mmu_book3s_64_slbmte; + mmu->slbmfee = kvmppc_mmu_book3s_64_slbmfee; + mmu->slbmfev = kvmppc_mmu_book3s_64_slbmfev; + mmu->slbie = kvmppc_mmu_book3s_64_slbie; + mmu->slbia = kvmppc_mmu_book3s_64_slbia; + mmu->xlate = kvmppc_mmu_book3s_64_xlate; + mmu->reset_msr = kvmppc_mmu_book3s_64_reset_msr; + mmu->tlbie = kvmppc_mmu_book3s_64_tlbie; + mmu->esid_to_vsid = kvmppc_mmu_book3s_64_esid_to_vsid; + mmu->ea_to_vp = kvmppc_mmu_book3s_64_ea_to_vp; + mmu->is_dcbz32 = kvmppc_mmu_book3s_64_is_dcbz32; + + vcpu->arch.hflags |= BOOK3S_HFLAG_SLB; +} diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c new file mode 100644 index 0000000..f2899b2 --- /dev/null +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -0,0 +1,408 @@ +/* + * Copyright (C) 2009 SUSE Linux Products GmbH. All rights reserved. + * + * Authors: + * Alexander Graf <agraf@suse.de> + * Kevin Wolf <mail@kevin-wolf.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <linux/kvm_host.h> + +#include <asm/kvm_ppc.h> +#include <asm/kvm_book3s.h> +#include <asm/mmu-hash64.h> +#include <asm/machdep.h> +#include <asm/mmu_context.h> +#include <asm/hw_irq.h> + +#define PTE_SIZE 12 +#define VSID_ALL 0 + +/* #define DEBUG_MMU */ +/* #define DEBUG_SLB */ + +#ifdef DEBUG_MMU +#define dprintk_mmu(a, ...) printk(KERN_INFO a, __VA_ARGS__) +#else +#define dprintk_mmu(a, ...) do { } while(0) +#endif + +#ifdef DEBUG_SLB +#define dprintk_slb(a, ...) printk(KERN_INFO a, __VA_ARGS__) +#else +#define dprintk_slb(a, ...) do { } while(0) +#endif + +static void invalidate_pte(struct hpte_cache *pte) +{ + dprintk_mmu("KVM: Flushing SPT %d: 0x%llx (0x%llx) -> 0x%llx\n", + i, pte->pte.eaddr, pte->pte.vpage, pte->host_va); + + ppc_md.hpte_invalidate(pte->slot, pte->host_va, + MMU_PAGE_4K, MMU_SEGSIZE_256M, + false); + pte->host_va = 0; + kvm_release_pfn_dirty(pte->pfn); +} + +void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 guest_ea, u64 ea_mask) +{ + int i; + + dprintk_mmu("KVM: Flushing %d Shadow PTEs: 0x%llx & 0x%llx\n", + vcpu->arch.hpte_cache_offset, guest_ea, ea_mask); + BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM); + + guest_ea &= ea_mask; + for (i = 0; i < vcpu->arch.hpte_cache_offset; i++) { + struct hpte_cache *pte; + + pte = &vcpu->arch.hpte_cache[i]; + if (!pte->host_va) + continue; + + if ((pte->pte.eaddr & ea_mask) == guest_ea) { + invalidate_pte(pte); + } + } + + /* Doing a complete flush -> start from scratch */ + if (!ea_mask) + vcpu->arch.hpte_cache_offset = 0; +} + +void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 guest_vp, u64 vp_mask) +{ + int i; + + dprintk_mmu("KVM: Flushing %d Shadow vPTEs: 0x%llx & 0x%llx\n", + vcpu->arch.hpte_cache_offset, guest_vp, vp_mask); + BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM); + + guest_vp &= vp_mask; + for (i = 0; i < vcpu->arch.hpte_cache_offset; i++) { + struct hpte_cache *pte; + + pte = &vcpu->arch.hpte_cache[i]; + if (!pte->host_va) + continue; + + if ((pte->pte.vpage & vp_mask) == guest_vp) { + invalidate_pte(pte); + } + } +} + +void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end) +{ + int i; + + dprintk_mmu("KVM: Flushing %d Shadow pPTEs: 0x%llx & 0x%llx\n", + vcpu->arch.hpte_cache_offset, guest_pa, pa_mask); + BUG_ON(vcpu->arch.hpte_cache_offset > HPTEG_CACHE_NUM); + + for (i = 0; i < vcpu->arch.hpte_cache_offset; i++) { + struct hpte_cache *pte; + + pte = &vcpu->arch.hpte_cache[i]; + if (!pte->host_va) + continue; + + if ((pte->pte.raddr >= pa_start) && + (pte->pte.raddr < pa_end)) { + invalidate_pte(pte); + } + } +} + +struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data) +{ + int i; + u64 guest_vp; + + guest_vp = vcpu->arch.mmu.ea_to_vp(vcpu, ea, false); + for (i=0; i<vcpu->arch.hpte_cache_offset; i++) { + struct hpte_cache *pte; + + pte = &vcpu->arch.hpte_cache[i]; + if (!pte->host_va) + continue; + + if (pte->pte.vpage == guest_vp) + return &pte->pte; + } + + return NULL; +} + +static int kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu) +{ + if (vcpu->arch.hpte_cache_offset == HPTEG_CACHE_NUM) + kvmppc_mmu_pte_flush(vcpu, 0, 0); + + return vcpu->arch.hpte_cache_offset++; +} + +/* We keep 512 gvsid->hvsid entries, mapping the guest ones to the array using + * a hash, so we don't waste cycles on looping */ +static u16 kvmppc_sid_hash(struct kvm_vcpu *vcpu, u64 gvsid) +{ + return (u16)(((gvsid >> (SID_MAP_BITS * 7)) & SID_MAP_MASK) ^ + ((gvsid >> (SID_MAP_BITS * 6)) & SID_MAP_MASK) ^ + ((gvsid >> (SID_MAP_BITS * 5)) & SID_MAP_MASK) ^ + ((gvsid >> (SID_MAP_BITS * 4)) & SID_MAP_MASK) ^ + ((gvsid >> (SID_MAP_BITS * 3)) & SID_MAP_MASK) ^ + ((gvsid >> (SID_MAP_BITS * 2)) & SID_MAP_MASK) ^ + ((gvsid >> (SID_MAP_BITS * 1)) & SID_MAP_MASK) ^ + ((gvsid >> (SID_MAP_BITS * 0)) & SID_MAP_MASK)); +} + + +static struct kvmppc_sid_map *find_sid_vsid(struct kvm_vcpu *vcpu, u64 gvsid) +{ + struct kvmppc_sid_map *map; + u16 sid_map_mask; + + if (vcpu->arch.msr & MSR_PR) + gvsid |= VSID_PR; + + sid_map_mask = kvmppc_sid_hash(vcpu, gvsid); + map = &to_book3s(vcpu)->sid_map[sid_map_mask]; + if (map->guest_vsid == gvsid) { + dprintk_slb("SLB: Searching 0x%llx -> 0x%llx\n", + gvsid, map->host_vsid); + return map; + } + + map = &to_book3s(vcpu)->sid_map[SID_MAP_MASK - sid_map_mask]; + if (map->guest_vsid == gvsid) { + dprintk_slb("SLB: Searching 0x%llx -> 0x%llx\n", + gvsid, map->host_vsid); + return map; + } + + dprintk_slb("SLB: Searching 0x%llx -> not found\n", gvsid); + return NULL; +} + +int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte) +{ + pfn_t hpaddr; + ulong hash, hpteg, va; + u64 vsid; + int ret; + int rflags = 0x192; + int vflags = 0; + int attempt = 0; + struct kvmppc_sid_map *map; + + /* Get host physical address for gpa */ + hpaddr = gfn_to_pfn(vcpu->kvm, orig_pte->raddr >> PAGE_SHIFT); + if (kvm_is_error_hva(hpaddr)) { + printk(KERN_INFO "Couldn't get guest page for gfn %llx!\n", orig_pte->eaddr); + return -EINVAL; + } + hpaddr <<= PAGE_SHIFT; +#if PAGE_SHIFT == 12 +#elif PAGE_SHIFT == 16 + hpaddr |= orig_pte->raddr & 0xf000; +#else +#error Unknown page size +#endif + + /* and write the mapping ea -> hpa into the pt */ + vcpu->arch.mmu.esid_to_vsid(vcpu, orig_pte->eaddr >> SID_SHIFT, &vsid); + map = find_sid_vsid(vcpu, vsid); + if (!map) { + kvmppc_mmu_map_segment(vcpu, orig_pte->eaddr); + map = find_sid_vsid(vcpu, vsid); + } + BUG_ON(!map); + + vsid = map->host_vsid; + va = hpt_va(orig_pte->eaddr, vsid, MMU_SEGSIZE_256M); + + if (!orig_pte->may_write) + rflags |= HPTE_R_PP; + else + mark_page_dirty(vcpu->kvm, orig_pte->raddr >> PAGE_SHIFT); + + if (!orig_pte->may_execute) + rflags |= HPTE_R_N; + + hash = hpt_hash(va, PTE_SIZE, MMU_SEGSIZE_256M); + +map_again: + hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP); + + /* In case we tried normal mapping already, let's nuke old entries */ + if (attempt > 1) + if (ppc_md.hpte_remove(hpteg) < 0) + return -1; + + ret = ppc_md.hpte_insert(hpteg, va, hpaddr, rflags, vflags, MMU_PAGE_4K, MMU_SEGSIZE_256M); + + if (ret < 0) { + /* If we couldn't map a primary PTE, try a secondary */ +#ifdef USE_SECONDARY + hash = ~hash; + attempt++; + if (attempt % 2) + vflags = HPTE_V_SECONDARY; + else + vflags = 0; +#else + attempt = 2; +#endif + goto map_again; + } else { + int hpte_id = kvmppc_mmu_hpte_cache_next(vcpu); + struct hpte_cache *pte = &vcpu->arch.hpte_cache[hpte_id]; + + dprintk_mmu("KVM: %c%c Map 0x%llx: [%lx] 0x%lx (0x%llx) -> %lx\n", + ((rflags & HPTE_R_PP) == 3) ? '-' : 'w', + (rflags & HPTE_R_N) ? '-' : 'x', + orig_pte->eaddr, hpteg, va, orig_pte->vpage, hpaddr); + + pte->slot = hpteg + (ret & 7); + pte->host_va = va; + pte->pte = *orig_pte; + pte->pfn = hpaddr >> PAGE_SHIFT; + } + + return 0; +} + +static struct kvmppc_sid_map *create_sid_map(struct kvm_vcpu *vcpu, u64 gvsid) +{ + struct kvmppc_sid_map *map; + struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); + u16 sid_map_mask; + static int backwards_map = 0; + + if (vcpu->arch.msr & MSR_PR) + gvsid |= VSID_PR; + + /* We might get collisions that trap in preceding order, so let's + map them differently */ + + sid_map_mask = kvmppc_sid_hash(vcpu, gvsid); + if (backwards_map) + sid_map_mask = SID_MAP_MASK - sid_map_mask; + + map = &to_book3s(vcpu)->sid_map[sid_map_mask]; + + /* Make sure we're taking the other map next time */ + backwards_map = !backwards_map; + + /* Uh-oh ... out of mappings. Let's flush! */ + if (vcpu_book3s->vsid_next == vcpu_book3s->vsid_max) { + vcpu_book3s->vsid_next = vcpu_book3s->vsid_first; + memset(vcpu_book3s->sid_map, 0, + sizeof(struct kvmppc_sid_map) * SID_MAP_NUM); + kvmppc_mmu_pte_flush(vcpu, 0, 0); + kvmppc_mmu_flush_segments(vcpu); + } + map->host_vsid = vcpu_book3s->vsid_next++; + + map->guest_vsid = gvsid; + map->valid = true; + + return map; +} + +static int kvmppc_mmu_next_segment(struct kvm_vcpu *vcpu, ulong esid) +{ + int i; + int max_slb_size = 64; + int found_inval = -1; + int r; + + if (!get_paca()->kvm_slb_max) + get_paca()->kvm_slb_max = 1; + + /* Are we overwriting? */ + for (i = 1; i < get_paca()->kvm_slb_max; i++) { + if (!(get_paca()->kvm_slb[i].esid & SLB_ESID_V)) + found_inval = i; + else if ((get_paca()->kvm_slb[i].esid & ESID_MASK) == esid) + return i; + } + + /* Found a spare entry that was invalidated before */ + if (found_inval > 0) + return found_inval; + + /* No spare invalid entry, so create one */ + + if (mmu_slb_size < 64) + max_slb_size = mmu_slb_size; + + /* Overflowing -> purge */ + if ((get_paca()->kvm_slb_max) == max_slb_size) + kvmppc_mmu_flush_segments(vcpu); + + r = get_paca()->kvm_slb_max; + get_paca()->kvm_slb_max++; + + return r; +} + +int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr) +{ + u64 esid = eaddr >> SID_SHIFT; + u64 slb_esid = (eaddr & ESID_MASK) | SLB_ESID_V; + u64 slb_vsid = SLB_VSID_USER; + u64 gvsid; + int slb_index; + struct kvmppc_sid_map *map; + + slb_index = kvmppc_mmu_next_segment(vcpu, eaddr & ESID_MASK); + + if (vcpu->arch.mmu.esid_to_vsid(vcpu, esid, &gvsid)) { + /* Invalidate an entry */ + get_paca()->kvm_slb[slb_index].esid = 0; + return -ENOENT; + } + + map = find_sid_vsid(vcpu, gvsid); + if (!map) + map = create_sid_map(vcpu, gvsid); + + map->guest_esid = esid; + + slb_vsid |= (map->host_vsid << 12); + slb_vsid &= ~SLB_VSID_KP; + slb_esid |= slb_index; + + get_paca()->kvm_slb[slb_index].esid = slb_esid; + get_paca()->kvm_slb[slb_index].vsid = slb_vsid; + + dprintk_slb("slbmte %#llx, %#llx\n", slb_vsid, slb_esid); + + return 0; +} + +void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu) +{ + get_paca()->kvm_slb_max = 1; + get_paca()->kvm_slb[0].esid = 0; +} + +void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu) +{ + kvmppc_mmu_pte_flush(vcpu, 0, 0); +} diff --git a/arch/powerpc/kvm/book3s_64_rmhandlers.S b/arch/powerpc/kvm/book3s_64_rmhandlers.S new file mode 100644 index 0000000..fb7dd2e --- /dev/null +++ b/arch/powerpc/kvm/book3s_64_rmhandlers.S @@ -0,0 +1,131 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#include <asm/ppc_asm.h> +#include <asm/kvm_asm.h> +#include <asm/reg.h> +#include <asm/page.h> +#include <asm/asm-offsets.h> +#include <asm/exception-64s.h> + +/***************************************************************************** + * * + * Real Mode handlers that need to be in low physical memory * + * * + ****************************************************************************/ + + +.macro INTERRUPT_TRAMPOLINE intno + +.global kvmppc_trampoline_\intno +kvmppc_trampoline_\intno: + + mtspr SPRN_SPRG_SCRATCH0, r13 /* Save r13 */ + + /* + * First thing to do is to find out if we're coming + * from a KVM guest or a Linux process. + * + * To distinguish, we check a magic byte in the PACA + */ + mfspr r13, SPRN_SPRG_PACA /* r13 = PACA */ + std r12, (PACA_EXMC + EX_R12)(r13) + mfcr r12 + stw r12, (PACA_EXMC + EX_CCR)(r13) + lbz r12, PACA_KVM_IN_GUEST(r13) + cmpwi r12, 0 + bne ..kvmppc_handler_hasmagic_\intno + /* No KVM guest? Then jump back to the Linux handler! */ + lwz r12, (PACA_EXMC + EX_CCR)(r13) + mtcr r12 + ld r12, (PACA_EXMC + EX_R12)(r13) + mfspr r13, SPRN_SPRG_SCRATCH0 /* r13 = original r13 */ + b kvmppc_resume_\intno /* Get back original handler */ + + /* Now we know we're handling a KVM guest */ +..kvmppc_handler_hasmagic_\intno: + /* Unset guest state */ + li r12, 0 + stb r12, PACA_KVM_IN_GUEST(r13) + + std r1, (PACA_EXMC+EX_R9)(r13) + std r10, (PACA_EXMC+EX_R10)(r13) + std r11, (PACA_EXMC+EX_R11)(r13) + std r2, (PACA_EXMC+EX_R13)(r13) + + mfsrr0 r10 + mfsrr1 r11 + + /* Restore R1/R2 so we can handle faults */ + ld r1, PACAR1(r13) + ld r2, (PACA_EXMC+EX_SRR0)(r13) + + /* Let's store which interrupt we're handling */ + li r12, \intno + + /* Jump into the SLB exit code that goes to the highmem handler */ + b kvmppc_handler_trampoline_exit + +.endm + +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_SYSTEM_RESET +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_MACHINE_CHECK +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_DATA_STORAGE +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_DATA_SEGMENT +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_INST_STORAGE +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_INST_SEGMENT +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_EXTERNAL +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_ALIGNMENT +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_PROGRAM +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_FP_UNAVAIL +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_DECREMENTER +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_SYSCALL +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_TRACE +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_PERFMON +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_ALTIVEC +INTERRUPT_TRAMPOLINE BOOK3S_INTERRUPT_VSX + +/* + * This trampoline brings us back to a real mode handler + * + * Input Registers: + * + * R6 = SRR0 + * R7 = SRR1 + * LR = real-mode IP + * + */ +.global kvmppc_handler_lowmem_trampoline +kvmppc_handler_lowmem_trampoline: + + mtsrr0 r6 + mtsrr1 r7 + blr +kvmppc_handler_lowmem_trampoline_end: + +.global kvmppc_trampoline_lowmem +kvmppc_trampoline_lowmem: + .long kvmppc_handler_lowmem_trampoline - _stext + +.global kvmppc_trampoline_enter +kvmppc_trampoline_enter: + .long kvmppc_handler_trampoline_enter - _stext + +#include "book3s_64_slb.S" + diff --git a/arch/powerpc/kvm/book3s_64_slb.S b/arch/powerpc/kvm/book3s_64_slb.S new file mode 100644 index 0000000..ecd237a --- /dev/null +++ b/arch/powerpc/kvm/book3s_64_slb.S @@ -0,0 +1,262 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2009 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#define SHADOW_SLB_ESID(num) (SLBSHADOW_SAVEAREA + (num * 0x10)) +#define SHADOW_SLB_VSID(num) (SLBSHADOW_SAVEAREA + (num * 0x10) + 0x8) +#define UNBOLT_SLB_ENTRY(num) \ + ld r9, SHADOW_SLB_ESID(num)(r12); \ + /* Invalid? Skip. */; \ + rldicl. r0, r9, 37, 63; \ + beq slb_entry_skip_ ## num; \ + xoris r9, r9, SLB_ESID_V@h; \ + std r9, SHADOW_SLB_ESID(num)(r12); \ + slb_entry_skip_ ## num: + +#define REBOLT_SLB_ENTRY(num) \ + ld r10, SHADOW_SLB_ESID(num)(r11); \ + cmpdi r10, 0; \ + beq slb_exit_skip_1; \ + oris r10, r10, SLB_ESID_V@h; \ + ld r9, SHADOW_SLB_VSID(num)(r11); \ + slbmte r9, r10; \ + std r10, SHADOW_SLB_ESID(num)(r11); \ +slb_exit_skip_ ## num: + +/****************************************************************************** + * * + * Entry code * + * * + *****************************************************************************/ + +.global kvmppc_handler_trampoline_enter +kvmppc_handler_trampoline_enter: + + /* Required state: + * + * MSR = ~IR|DR + * R13 = PACA + * R9 = guest IP + * R10 = guest MSR + * R11 = free + * R12 = free + * PACA[PACA_EXMC + EX_R9] = guest R9 + * PACA[PACA_EXMC + EX_R10] = guest R10 + * PACA[PACA_EXMC + EX_R11] = guest R11 + * PACA[PACA_EXMC + EX_R12] = guest R12 + * PACA[PACA_EXMC + EX_R13] = guest R13 + * PACA[PACA_EXMC + EX_CCR] = guest CR + * PACA[PACA_EXMC + EX_R3] = guest XER + */ + + mtsrr0 r9 + mtsrr1 r10 + + mtspr SPRN_SPRG_SCRATCH0, r0 + + /* Remove LPAR shadow entries */ + +#if SLB_NUM_BOLTED == 3 + + ld r12, PACA_SLBSHADOWPTR(r13) + + /* Save off the first entry so we can slbie it later */ + ld r10, SHADOW_SLB_ESID(0)(r12) + ld r11, SHADOW_SLB_VSID(0)(r12) + + /* Remove bolted entries */ + UNBOLT_SLB_ENTRY(0) + UNBOLT_SLB_ENTRY(1) + UNBOLT_SLB_ENTRY(2) + +#else +#error unknown number of bolted entries +#endif + + /* Flush SLB */ + + slbia + + /* r0 = esid & ESID_MASK */ + rldicr r10, r10, 0, 35 + /* r0 |= CLASS_BIT(VSID) */ + rldic r12, r11, 56 - 36, 36 + or r10, r10, r12 + slbie r10 + + isync + + /* Fill SLB with our shadow */ + + lbz r12, PACA_KVM_SLB_MAX(r13) + mulli r12, r12, 16 + addi r12, r12, PACA_KVM_SLB + add r12, r12, r13 + + /* for (r11 = kvm_slb; r11 < kvm_slb + kvm_slb_size; r11+=slb_entry) */ + li r11, PACA_KVM_SLB + add r11, r11, r13 + +slb_loop_enter: + + ld r10, 0(r11) + + rldicl. r0, r10, 37, 63 + beq slb_loop_enter_skip + + ld r9, 8(r11) + slbmte r9, r10 + +slb_loop_enter_skip: + addi r11, r11, 16 + cmpd cr0, r11, r12 + blt slb_loop_enter + +slb_do_enter: + + /* Enter guest */ + + mfspr r0, SPRN_SPRG_SCRATCH0 + + ld r9, (PACA_EXMC+EX_R9)(r13) + ld r10, (PACA_EXMC+EX_R10)(r13) + ld r12, (PACA_EXMC+EX_R12)(r13) + + lwz r11, (PACA_EXMC+EX_CCR)(r13) + mtcr r11 + + ld r11, (PACA_EXMC+EX_R3)(r13) + mtxer r11 + + ld r11, (PACA_EXMC+EX_R11)(r13) + ld r13, (PACA_EXMC+EX_R13)(r13) + + RFI +kvmppc_handler_trampoline_enter_end: + + + +/****************************************************************************** + * * + * Exit code * + * * + *****************************************************************************/ + +.global kvmppc_handler_trampoline_exit +kvmppc_handler_trampoline_exit: + + /* Register usage at this point: + * + * SPRG_SCRATCH0 = guest R13 + * R01 = host R1 + * R02 = host R2 + * R10 = guest PC + * R11 = guest MSR + * R12 = exit handler id + * R13 = PACA + * PACA.exmc.CCR = guest CR + * PACA.exmc.R9 = guest R1 + * PACA.exmc.R10 = guest R10 + * PACA.exmc.R11 = guest R11 + * PACA.exmc.R12 = guest R12 + * PACA.exmc.R13 = guest R2 + * + */ + + /* Save registers */ + + std r0, (PACA_EXMC+EX_SRR0)(r13) + std r9, (PACA_EXMC+EX_R3)(r13) + std r10, (PACA_EXMC+EX_LR)(r13) + std r11, (PACA_EXMC+EX_DAR)(r13) + + /* + * In order for us to easily get the last instruction, + * we got the #vmexit at, we exploit the fact that the + * virtual layout is still the same here, so we can just + * ld from the guest's PC address + */ + + /* We only load the last instruction when it's safe */ + cmpwi r12, BOOK3S_INTERRUPT_DATA_STORAGE + beq ld_last_inst + cmpwi r12, BOOK3S_INTERRUPT_PROGRAM + beq ld_last_inst + + b no_ld_last_inst + +ld_last_inst: + /* Save off the guest instruction we're at */ + /* 1) enable paging for data */ + mfmsr r9 + ori r11, r9, MSR_DR /* Enable paging for data */ + mtmsr r11 + /* 2) fetch the instruction */ + lwz r0, 0(r10) + /* 3) disable paging again */ + mtmsr r9 + +no_ld_last_inst: + + /* Restore bolted entries from the shadow and fix it along the way */ + + /* We don't store anything in entry 0, so we don't need to take care of it */ + slbia + isync + +#if SLB_NUM_BOLTED == 3 + + ld r11, PACA_SLBSHADOWPTR(r13) + + REBOLT_SLB_ENTRY(0) + REBOLT_SLB_ENTRY(1) + REBOLT_SLB_ENTRY(2) + +#else +#error unknown number of bolted entries +#endif + +slb_do_exit: + + /* Restore registers */ + + ld r11, (PACA_EXMC+EX_DAR)(r13) + ld r10, (PACA_EXMC+EX_LR)(r13) + ld r9, (PACA_EXMC+EX_R3)(r13) + + /* Save last inst */ + stw r0, (PACA_EXMC+EX_LR)(r13) + + /* Save DAR and DSISR before going to paged mode */ + mfdar r0 + std r0, (PACA_EXMC+EX_DAR)(r13) + mfdsisr r0 + stw r0, (PACA_EXMC+EX_DSISR)(r13) + + /* RFI into the highmem handler */ + mfmsr r0 + ori r0, r0, MSR_IR|MSR_DR|MSR_RI /* Enable paging */ + mtsrr1 r0 + ld r0, PACASAVEDMSR(r13) /* Highmem handler address */ + mtsrr0 r0 + + mfspr r0, SPRN_SPRG_SCRATCH0 + + RFI +kvmppc_handler_trampoline_exit_end: + diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index e7bf4d0..06f5a9e 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -520,6 +520,11 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, return kvmppc_core_vcpu_translate(vcpu, tr); } +int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log) +{ + return -ENOTSUPP; +} + int __init kvmppc_booke_init(void) { unsigned long ivor[16]; diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 7737146..4a9ac66 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -18,7 +18,7 @@ */ #include <linux/jiffies.h> -#include <linux/timer.h> +#include <linux/hrtimer.h> #include <linux/types.h> #include <linux/string.h> #include <linux/kvm_host.h> @@ -32,6 +32,7 @@ #include "trace.h" #define OP_TRAP 3 +#define OP_TRAP_64 2 #define OP_31_XOP_LWZX 23 #define OP_31_XOP_LBZX 87 @@ -64,19 +65,45 @@ #define OP_STH 44 #define OP_STHU 45 +#ifdef CONFIG_PPC64 +static int kvmppc_dec_enabled(struct kvm_vcpu *vcpu) +{ + return 1; +} +#else +static int kvmppc_dec_enabled(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.tcr & TCR_DIE; +} +#endif + void kvmppc_emulate_dec(struct kvm_vcpu *vcpu) { - if (vcpu->arch.tcr & TCR_DIE) { + unsigned long dec_nsec; + + pr_debug("mtDEC: %x\n", vcpu->arch.dec); +#ifdef CONFIG_PPC64 + /* POWER4+ triggers a dec interrupt if the value is < 0 */ + if (vcpu->arch.dec & 0x80000000) { + hrtimer_try_to_cancel(&vcpu->arch.dec_timer); + kvmppc_core_queue_dec(vcpu); + return; + } +#endif + if (kvmppc_dec_enabled(vcpu)) { /* The decrementer ticks at the same rate as the timebase, so * that's how we convert the guest DEC value to the number of * host ticks. */ - unsigned long nr_jiffies; - nr_jiffies = vcpu->arch.dec / tb_ticks_per_jiffy; - mod_timer(&vcpu->arch.dec_timer, - get_jiffies_64() + nr_jiffies); + hrtimer_try_to_cancel(&vcpu->arch.dec_timer); + dec_nsec = vcpu->arch.dec; + dec_nsec *= 1000; + dec_nsec /= tb_ticks_per_usec; + hrtimer_start(&vcpu->arch.dec_timer, ktime_set(0, dec_nsec), + HRTIMER_MODE_REL); + vcpu->arch.dec_jiffies = get_tb(); } else { - del_timer(&vcpu->arch.dec_timer); + hrtimer_try_to_cancel(&vcpu->arch.dec_timer); } } @@ -111,9 +138,15 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) /* this default type might be overwritten by subcategories */ kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS); + pr_debug(KERN_INFO "Emulating opcode %d / %d\n", get_op(inst), get_xop(inst)); + switch (get_op(inst)) { case OP_TRAP: +#ifdef CONFIG_PPC64 + case OP_TRAP_64: +#else vcpu->arch.esr |= ESR_PTR; +#endif kvmppc_core_queue_program(vcpu); advance = 0; break; @@ -188,17 +221,19 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) case SPRN_SRR1: vcpu->arch.gpr[rt] = vcpu->arch.srr1; break; case SPRN_PVR: - vcpu->arch.gpr[rt] = mfspr(SPRN_PVR); break; + vcpu->arch.gpr[rt] = vcpu->arch.pvr; break; case SPRN_PIR: - vcpu->arch.gpr[rt] = mfspr(SPRN_PIR); break; + vcpu->arch.gpr[rt] = vcpu->vcpu_id; break; + case SPRN_MSSSR0: + vcpu->arch.gpr[rt] = 0; break; /* Note: mftb and TBRL/TBWL are user-accessible, so * the guest can always access the real TB anyways. * In fact, we probably will never see these traps. */ case SPRN_TBWL: - vcpu->arch.gpr[rt] = mftbl(); break; + vcpu->arch.gpr[rt] = get_tb() >> 32; break; case SPRN_TBWU: - vcpu->arch.gpr[rt] = mftbu(); break; + vcpu->arch.gpr[rt] = get_tb(); break; case SPRN_SPRG0: vcpu->arch.gpr[rt] = vcpu->arch.sprg0; break; @@ -211,6 +246,13 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) /* Note: SPRG4-7 are user-readable, so we don't get * a trap. */ + case SPRN_DEC: + { + u64 jd = get_tb() - vcpu->arch.dec_jiffies; + vcpu->arch.gpr[rt] = vcpu->arch.dec - jd; + pr_debug(KERN_INFO "mfDEC: %x - %llx = %lx\n", vcpu->arch.dec, jd, vcpu->arch.gpr[rt]); + break; + } default: emulated = kvmppc_core_emulate_mfspr(vcpu, sprn, rt); if (emulated == EMULATE_FAIL) { @@ -260,6 +302,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) case SPRN_TBWL: break; case SPRN_TBWU: break; + case SPRN_MSSSR0: break; + case SPRN_DEC: vcpu->arch.dec = vcpu->arch.gpr[rs]; kvmppc_emulate_dec(vcpu); diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 2a4551f..f06cf93 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -23,6 +23,7 @@ #include <linux/kvm_host.h> #include <linux/module.h> #include <linux/vmalloc.h> +#include <linux/hrtimer.h> #include <linux/fs.h> #include <asm/cputable.h> #include <asm/uaccess.h> @@ -78,8 +79,9 @@ int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu) return r; } -void kvm_arch_hardware_enable(void *garbage) +int kvm_arch_hardware_enable(void *garbage) { + return 0; } void kvm_arch_hardware_disable(void *garbage) @@ -143,6 +145,9 @@ int kvm_dev_ioctl_check_extension(long ext) int r; switch (ext) { + case KVM_CAP_PPC_SEGSTATE: + r = 1; + break; case KVM_CAP_COALESCED_MMIO: r = KVM_COALESCED_MMIO_PAGE_OFFSET; break; @@ -208,10 +213,25 @@ static void kvmppc_decrementer_func(unsigned long data) } } +/* + * low level hrtimer wake routine. Because this runs in hardirq context + * we schedule a tasklet to do the real work. + */ +enum hrtimer_restart kvmppc_decrementer_wakeup(struct hrtimer *timer) +{ + struct kvm_vcpu *vcpu; + + vcpu = container_of(timer, struct kvm_vcpu, arch.dec_timer); + tasklet_schedule(&vcpu->arch.tasklet); + + return HRTIMER_NORESTART; +} + int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) { - setup_timer(&vcpu->arch.dec_timer, kvmppc_decrementer_func, - (unsigned long)vcpu); + hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); + tasklet_init(&vcpu->arch.tasklet, kvmppc_decrementer_func, (ulong)vcpu); + vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup; return 0; } @@ -409,11 +429,6 @@ out: return r; } -int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log) -{ - return -ENOTSUPP; -} - long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { @@ -421,7 +436,7 @@ long kvm_arch_vm_ioctl(struct file *filp, switch (ioctl) { default: - r = -EINVAL; + r = -ENOTTY; } return r; diff --git a/arch/powerpc/kvm/timing.c b/arch/powerpc/kvm/timing.c index 2aa371e..7037855 100644 --- a/arch/powerpc/kvm/timing.c +++ b/arch/powerpc/kvm/timing.c @@ -23,6 +23,7 @@ #include <linux/seq_file.h> #include <linux/debugfs.h> #include <linux/uaccess.h> +#include <linux/module.h> #include <asm/time.h> #include <asm-generic/div64.h> diff --git a/arch/powerpc/kvm/timing.h b/arch/powerpc/kvm/timing.h index 806ef67..8167d42 100644 --- a/arch/powerpc/kvm/timing.h +++ b/arch/powerpc/kvm/timing.h @@ -51,7 +51,7 @@ static inline void kvmppc_account_exit_stat(struct kvm_vcpu *vcpu, int type) /* The BUILD_BUG_ON below breaks in funny ways, commented out * for now ... -BenH - BUILD_BUG_ON(__builtin_constant_p(type)); + BUILD_BUG_ON(!__builtin_constant_p(type)); */ switch (type) { case EXT_INTR_EXITS: diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h index 67f219d..a8e8400 100644 --- a/arch/powerpc/kvm/trace.h +++ b/arch/powerpc/kvm/trace.h @@ -12,8 +12,8 @@ * Tracepoint for guest mode entry. */ TRACE_EVENT(kvm_ppc_instr, - TP_PROTO(unsigned int inst, unsigned long pc, unsigned int emulate), - TP_ARGS(inst, pc, emulate), + TP_PROTO(unsigned int inst, unsigned long _pc, unsigned int emulate), + TP_ARGS(inst, _pc, emulate), TP_STRUCT__entry( __field( unsigned int, inst ) @@ -23,7 +23,7 @@ TRACE_EVENT(kvm_ppc_instr, TP_fast_assign( __entry->inst = inst; - __entry->pc = pc; + __entry->pc = _pc; __entry->emulate = emulate; ), diff --git a/arch/powerpc/lib/copy_32.S b/arch/powerpc/lib/copy_32.S index c657de5..74a7f41 100644 --- a/arch/powerpc/lib/copy_32.S +++ b/arch/powerpc/lib/copy_32.S @@ -98,20 +98,7 @@ _GLOBAL(cacheable_memzero) bdnz 4b 3: mtctr r9 li r7,4 -#if !defined(CONFIG_8xx) 10: dcbz r7,r6 -#else -10: stw r4, 4(r6) - stw r4, 8(r6) - stw r4, 12(r6) - stw r4, 16(r6) -#if CACHE_LINE_SIZE >= 32 - stw r4, 20(r6) - stw r4, 24(r6) - stw r4, 28(r6) - stw r4, 32(r6) -#endif /* CACHE_LINE_SIZE */ -#endif addi r6,r6,CACHELINE_BYTES bdnz 10b clrlwi r5,r8,32-LG_CACHELINE_BYTES @@ -200,9 +187,7 @@ _GLOBAL(cacheable_memcpy) mtctr r0 beq 63f 53: -#if !defined(CONFIG_8xx) dcbz r11,r6 -#endif COPY_16_BYTES #if L1_CACHE_BYTES >= 32 COPY_16_BYTES @@ -356,14 +341,6 @@ _GLOBAL(__copy_tofrom_user) li r11,4 beq 63f -#ifdef CONFIG_8xx - /* Don't use prefetch on 8xx */ - mtctr r0 - li r0,0 -53: COPY_16_BYTES_WITHEX(0) - bdnz 53b - -#else /* not CONFIG_8xx */ /* Here we decide how far ahead to prefetch the source */ li r3,4 cmpwi r0,1 @@ -416,7 +393,6 @@ _GLOBAL(__copy_tofrom_user) li r3,4 li r7,0 bne 114b -#endif /* CONFIG_8xx */ 63: srwi. r0,r5,2 mtctr r0 diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 79d0fa3..58e14fb 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -25,7 +25,7 @@ #include <asm/smp.h> #include <asm/firmware.h> -void __spin_yield(raw_spinlock_t *lock) +void __spin_yield(arch_spinlock_t *lock) { unsigned int lock_value, holder_cpu, yield_count; @@ -55,7 +55,7 @@ void __spin_yield(raw_spinlock_t *lock) * This turns out to be the same for read and write locks, since * we only know the holder if it is write-locked. */ -void __rw_yield(raw_rwlock_t *rw) +void __rw_yield(arch_rwlock_t *rw) { int lock_value; unsigned int holder_cpu, yield_count; @@ -82,7 +82,7 @@ void __rw_yield(raw_rwlock_t *rw) } #endif -void __raw_spin_unlock_wait(raw_spinlock_t *lock) +void arch_spin_unlock_wait(arch_spinlock_t *lock) { while (lock->slock) { HMT_low(); @@ -92,4 +92,4 @@ void __raw_spin_unlock_wait(raw_spinlock_t *lock) HMT_medium(); } -EXPORT_SYMBOL(__raw_spin_unlock_wait); +EXPORT_SYMBOL(arch_spin_unlock_wait); diff --git a/arch/powerpc/mm/40x_mmu.c b/arch/powerpc/mm/40x_mmu.c index f5e7b9c..08dfa8e 100644 --- a/arch/powerpc/mm/40x_mmu.c +++ b/arch/powerpc/mm/40x_mmu.c @@ -91,7 +91,7 @@ void __init MMU_init_hw(void) #define LARGE_PAGE_SIZE_16M (1<<24) #define LARGE_PAGE_SIZE_4M (1<<22) -unsigned long __init mmu_mapin_ram(void) +unsigned long __init mmu_mapin_ram(unsigned long top) { unsigned long v, s, mapped; phys_addr_t p; diff --git a/arch/powerpc/mm/44x_mmu.c b/arch/powerpc/mm/44x_mmu.c index 98052ac..3986264 100644 --- a/arch/powerpc/mm/44x_mmu.c +++ b/arch/powerpc/mm/44x_mmu.c @@ -88,7 +88,7 @@ void __init MMU_init_hw(void) flush_instruction_cache(); } -unsigned long __init mmu_mapin_ram(void) +unsigned long __init mmu_mapin_ram(unsigned long top) { unsigned long addr; diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile index 6fb8fc8..ce68708 100644 --- a/arch/powerpc/mm/Makefile +++ b/arch/powerpc/mm/Makefile @@ -28,7 +28,10 @@ obj-$(CONFIG_44x) += 44x_mmu.o obj-$(CONFIG_FSL_BOOKE) += fsl_booke_mmu.o obj-$(CONFIG_NEED_MULTIPLE_NODES) += numa.o obj-$(CONFIG_PPC_MM_SLICES) += slice.o -obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o +ifeq ($(CONFIG_HUGETLB_PAGE),y) +obj-y += hugetlbpage.o +obj-$(CONFIG_PPC_STD_MMU_64) += hugetlbpage-hash64.o +endif obj-$(CONFIG_PPC_SUBPAGE_PROT) += subpage-prot.o obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-noncoherent.o obj-$(CONFIG_HIGHMEM) += highmem.o diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index e7dae82..26fb6b9 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -40,7 +40,7 @@ #include <asm/uaccess.h> #include <asm/tlbflush.h> #include <asm/siginfo.h> - +#include <mm/mmu_decl.h> #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs) @@ -246,6 +246,12 @@ good_area: goto bad_area; #endif /* CONFIG_6xx */ #if defined(CONFIG_8xx) + /* 8xx sometimes need to load a invalid/non-present TLBs. + * These must be invalidated separately as linux mm don't. + */ + if (error_code & 0x40000000) /* no translation? */ + _tlbil_va(address, 0, 0, 0); + /* The MPC8xx seems to always set 0x80000000, which is * "undefined". Of those that can be set, this is the only * one which seems bad. diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index dc93e95..c539472 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c @@ -54,26 +54,35 @@ #include "mmu_decl.h" -extern void loadcam_entry(unsigned int index); unsigned int tlbcam_index; -static unsigned long cam[CONFIG_LOWMEM_CAM_NUM]; -#define NUM_TLBCAMS (16) +#define NUM_TLBCAMS (64) #if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS) #error "LOWMEM_CAM_NUM must be less than NUM_TLBCAMS" #endif -struct tlbcam TLBCAM[NUM_TLBCAMS]; +struct tlbcam { + u32 MAS0; + u32 MAS1; + unsigned long MAS2; + u32 MAS3; + u32 MAS7; +} TLBCAM[NUM_TLBCAMS]; struct tlbcamrange { - unsigned long start; + unsigned long start; unsigned long limit; phys_addr_t phys; } tlbcam_addrs[NUM_TLBCAMS]; extern unsigned int tlbcam_index; +unsigned long tlbcam_sz(int idx) +{ + return tlbcam_addrs[idx].limit - tlbcam_addrs[idx].start + 1; +} + /* * Return PA for this VA if it is mapped by a CAM, or 0 */ @@ -94,23 +103,36 @@ unsigned long p_mapped_by_tlbcam(phys_addr_t pa) int b; for (b = 0; b < tlbcam_index; ++b) if (pa >= tlbcam_addrs[b].phys - && pa < (tlbcam_addrs[b].limit-tlbcam_addrs[b].start) + && pa < (tlbcam_addrs[b].limit-tlbcam_addrs[b].start) +tlbcam_addrs[b].phys) return tlbcam_addrs[b].start+(pa-tlbcam_addrs[b].phys); return 0; } +void loadcam_entry(int idx) +{ + mtspr(SPRN_MAS0, TLBCAM[idx].MAS0); + mtspr(SPRN_MAS1, TLBCAM[idx].MAS1); + mtspr(SPRN_MAS2, TLBCAM[idx].MAS2); + mtspr(SPRN_MAS3, TLBCAM[idx].MAS3); + + if (cur_cpu_spec->cpu_features & MMU_FTR_BIG_PHYS) + mtspr(SPRN_MAS7, TLBCAM[idx].MAS7); + + asm volatile("isync;tlbwe;isync" : : : "memory"); +} + /* * Set up one of the I/D BAT (block address translation) register pairs. * The parameters are not checked; in particular size must be a power * of 4 between 4k and 256M. */ -void settlbcam(int index, unsigned long virt, phys_addr_t phys, - unsigned int size, int flags, unsigned int pid) +static void settlbcam(int index, unsigned long virt, phys_addr_t phys, + unsigned long size, unsigned long flags, unsigned int pid) { unsigned int tsize, lz; - asm ("cntlzw %0,%1" : "=r" (lz) : "r" (size)); + asm (PPC_CNTLZL "%0,%1" : "=r" (lz) : "r" (size)); tsize = 21 - lz; #ifdef CONFIG_SMP @@ -128,8 +150,10 @@ void settlbcam(int index, unsigned long virt, phys_addr_t phys, TLBCAM[index].MAS2 |= (flags & _PAGE_GUARDED) ? MAS2_G : 0; TLBCAM[index].MAS2 |= (flags & _PAGE_ENDIAN) ? MAS2_E : 0; - TLBCAM[index].MAS3 = (phys & PAGE_MASK) | MAS3_SX | MAS3_SR; + TLBCAM[index].MAS3 = (phys & MAS3_RPN) | MAS3_SX | MAS3_SR; TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_SW : 0); + if (cur_cpu_spec->cpu_features & MMU_FTR_BIG_PHYS) + TLBCAM[index].MAS7 = (u64)phys >> 32; #ifndef CONFIG_KGDB /* want user access for breakpoints */ if (flags & _PAGE_USER) { @@ -148,27 +172,44 @@ void settlbcam(int index, unsigned long virt, phys_addr_t phys, loadcam_entry(index); } -void invalidate_tlbcam_entry(int index) -{ - TLBCAM[index].MAS0 = MAS0_TLBSEL(1) | MAS0_ESEL(index); - TLBCAM[index].MAS1 = ~MAS1_VALID; - - loadcam_entry(index); -} - -unsigned long __init mmu_mapin_ram(void) +unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx) { + int i; unsigned long virt = PAGE_OFFSET; phys_addr_t phys = memstart_addr; + unsigned long amount_mapped = 0; + unsigned long max_cam = (mfspr(SPRN_TLB1CFG) >> 16) & 0xf; + + /* Convert (4^max) kB to (2^max) bytes */ + max_cam = max_cam * 2 + 10; - while (tlbcam_index < ARRAY_SIZE(cam) && cam[tlbcam_index]) { - settlbcam(tlbcam_index, virt, phys, cam[tlbcam_index], PAGE_KERNEL_X, 0); - virt += cam[tlbcam_index]; - phys += cam[tlbcam_index]; - tlbcam_index++; + /* Calculate CAM values */ + for (i = 0; ram && i < max_cam_idx; i++) { + unsigned int camsize = __ilog2(ram) & ~1U; + unsigned int align = __ffs(virt | phys) & ~1U; + unsigned long cam_sz; + + if (camsize > align) + camsize = align; + if (camsize > max_cam) + camsize = max_cam; + + cam_sz = 1UL << camsize; + settlbcam(i, virt, phys, cam_sz, PAGE_KERNEL_X, 0); + + ram -= cam_sz; + amount_mapped += cam_sz; + virt += cam_sz; + phys += cam_sz; } + tlbcam_index = i; - return virt - PAGE_OFFSET; + return amount_mapped; +} + +unsigned long __init mmu_mapin_ram(unsigned long top) +{ + return tlbcam_addrs[tlbcam_index - 1].limit - PAGE_OFFSET + 1; } /* @@ -179,46 +220,21 @@ void __init MMU_init_hw(void) flush_instruction_cache(); } -void __init -adjust_total_lowmem(void) +void __init adjust_total_lowmem(void) { - phys_addr_t ram; - unsigned int max_cam = (mfspr(SPRN_TLB1CFG) >> 16) & 0xff; - char buf[ARRAY_SIZE(cam) * 5 + 1], *p = buf; + unsigned long ram; int i; - unsigned long virt = PAGE_OFFSET & 0xffffffffUL; - unsigned long phys = memstart_addr & 0xffffffffUL; - - /* Convert (4^max) kB to (2^max) bytes */ - max_cam = max_cam * 2 + 10; /* adjust lowmem size to __max_low_memory */ ram = min((phys_addr_t)__max_low_memory, (phys_addr_t)total_lowmem); - /* Calculate CAM values */ - __max_low_memory = 0; - for (i = 0; ram && i < ARRAY_SIZE(cam); i++) { - unsigned int camsize = __ilog2(ram) & ~1U; - unsigned int align = __ffs(virt | phys) & ~1U; - - if (camsize > align) - camsize = align; - if (camsize > max_cam) - camsize = max_cam; - - cam[i] = 1UL << camsize; - ram -= cam[i]; - __max_low_memory += cam[i]; - virt += cam[i]; - phys += cam[i]; + __max_low_memory = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM); - p += sprintf(p, "%lu/", cam[i] >> 20); - } - for (; i < ARRAY_SIZE(cam); i++) - p += sprintf(p, "0/"); - p[-1] = '\0'; - - pr_info("Memory CAM mapping: %s Mb, residual: %dMb\n", buf, + pr_info("Memory CAM mapping: "); + for (i = 0; i < tlbcam_index - 1; i++) + pr_cont("%lu/", tlbcam_sz(i) >> 20); + pr_cont("%lu Mb, residual: %dMb\n", tlbcam_sz(tlbcam_index - 1) >> 20, (unsigned int)((total_lowmem - __max_low_memory) >> 20)); + __initial_memory_limit_addr = memstart_addr + __max_low_memory; } diff --git a/arch/powerpc/mm/gup.c b/arch/powerpc/mm/gup.c index bc122a1..d7efdbf 100644 --- a/arch/powerpc/mm/gup.c +++ b/arch/powerpc/mm/gup.c @@ -55,57 +55,6 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr, return 1; } -#ifdef CONFIG_HUGETLB_PAGE -static noinline int gup_huge_pte(pte_t *ptep, struct hstate *hstate, - unsigned long *addr, unsigned long end, - int write, struct page **pages, int *nr) -{ - unsigned long mask; - unsigned long pte_end; - struct page *head, *page; - pte_t pte; - int refs; - - pte_end = (*addr + huge_page_size(hstate)) & huge_page_mask(hstate); - if (pte_end < end) - end = pte_end; - - pte = *ptep; - mask = _PAGE_PRESENT|_PAGE_USER; - if (write) - mask |= _PAGE_RW; - if ((pte_val(pte) & mask) != mask) - return 0; - /* hugepages are never "special" */ - VM_BUG_ON(!pfn_valid(pte_pfn(pte))); - - refs = 0; - head = pte_page(pte); - page = head + ((*addr & ~huge_page_mask(hstate)) >> PAGE_SHIFT); - do { - VM_BUG_ON(compound_head(page) != head); - pages[*nr] = page; - (*nr)++; - page++; - refs++; - } while (*addr += PAGE_SIZE, *addr != end); - - if (!page_cache_add_speculative(head, refs)) { - *nr -= refs; - return 0; - } - if (unlikely(pte_val(pte) != pte_val(*ptep))) { - /* Could be optimized better */ - while (*nr) { - put_page(page); - (*nr)--; - } - } - - return 1; -} -#endif /* CONFIG_HUGETLB_PAGE */ - static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end, int write, struct page **pages, int *nr) { @@ -119,7 +68,11 @@ static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end, next = pmd_addr_end(addr, end); if (pmd_none(pmd)) return 0; - if (!gup_pte_range(pmd, addr, next, write, pages, nr)) + if (is_hugepd(pmdp)) { + if (!gup_hugepd((hugepd_t *)pmdp, PMD_SHIFT, + addr, next, write, pages, nr)) + return 0; + } else if (!gup_pte_range(pmd, addr, next, write, pages, nr)) return 0; } while (pmdp++, addr = next, addr != end); @@ -139,7 +92,11 @@ static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end, next = pud_addr_end(addr, end); if (pud_none(pud)) return 0; - if (!gup_pmd_range(pud, addr, next, write, pages, nr)) + if (is_hugepd(pudp)) { + if (!gup_hugepd((hugepd_t *)pudp, PUD_SHIFT, + addr, next, write, pages, nr)) + return 0; + } else if (!gup_pmd_range(pud, addr, next, write, pages, nr)) return 0; } while (pudp++, addr = next, addr != end); @@ -154,10 +111,6 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, unsigned long next; pgd_t *pgdp; int nr = 0; -#ifdef CONFIG_PPC64 - unsigned int shift; - int psize; -#endif pr_devel("%s(%lx,%x,%s)\n", __func__, start, nr_pages, write ? "write" : "read"); @@ -172,25 +125,6 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, pr_devel(" aligned: %lx .. %lx\n", start, end); -#ifdef CONFIG_HUGETLB_PAGE - /* We bail out on slice boundary crossing when hugetlb is - * enabled in order to not have to deal with two different - * page table formats - */ - if (addr < SLICE_LOW_TOP) { - if (end > SLICE_LOW_TOP) - goto slow_irqon; - - if (unlikely(GET_LOW_SLICE_INDEX(addr) != - GET_LOW_SLICE_INDEX(end - 1))) - goto slow_irqon; - } else { - if (unlikely(GET_HIGH_SLICE_INDEX(addr) != - GET_HIGH_SLICE_INDEX(end - 1))) - goto slow_irqon; - } -#endif /* CONFIG_HUGETLB_PAGE */ - /* * XXX: batch / limit 'nr', to avoid large irq off latency * needs some instrumenting to determine the common sizes used by @@ -210,54 +144,23 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, */ local_irq_disable(); -#ifdef CONFIG_PPC64 - /* Those bits are related to hugetlbfs implementation and only exist - * on 64-bit for now - */ - psize = get_slice_psize(mm, addr); - shift = mmu_psize_defs[psize].shift; -#endif /* CONFIG_PPC64 */ - -#ifdef CONFIG_HUGETLB_PAGE - if (unlikely(mmu_huge_psizes[psize])) { - pte_t *ptep; - unsigned long a = addr; - unsigned long sz = ((1UL) << shift); - struct hstate *hstate = size_to_hstate(sz); - - BUG_ON(!hstate); - /* - * XXX: could be optimized to avoid hstate - * lookup entirely (just use shift) - */ - - do { - VM_BUG_ON(shift != mmu_psize_defs[get_slice_psize(mm, a)].shift); - ptep = huge_pte_offset(mm, a); - pr_devel(" %016lx: huge ptep %p\n", a, ptep); - if (!ptep || !gup_huge_pte(ptep, hstate, &a, end, write, pages, - &nr)) - goto slow; - } while (a != end); - } else -#endif /* CONFIG_HUGETLB_PAGE */ - { - pgdp = pgd_offset(mm, addr); - do { - pgd_t pgd = *pgdp; - -#ifdef CONFIG_PPC64 - VM_BUG_ON(shift != mmu_psize_defs[get_slice_psize(mm, addr)].shift); -#endif - pr_devel(" %016lx: normal pgd %p\n", addr, - (void *)pgd_val(pgd)); - next = pgd_addr_end(addr, end); - if (pgd_none(pgd)) - goto slow; - if (!gup_pud_range(pgd, addr, next, write, pages, &nr)) + pgdp = pgd_offset(mm, addr); + do { + pgd_t pgd = *pgdp; + + pr_devel(" %016lx: normal pgd %p\n", addr, + (void *)pgd_val(pgd)); + next = pgd_addr_end(addr, end); + if (pgd_none(pgd)) + goto slow; + if (is_hugepd(pgdp)) { + if (!gup_hugepd((hugepd_t *)pgdp, PGDIR_SHIFT, + addr, next, write, pages, &nr)) goto slow; - } while (pgdp++, addr = next, addr != end); - } + } else if (!gup_pud_range(pgd, addr, next, write, pages, &nr)) + goto slow; + } while (pgdp++, addr = next, addr != end); + local_irq_enable(); VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT); diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 1ade7eb..50f867d 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -92,6 +92,7 @@ struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; struct hash_pte *htab_address; unsigned long htab_size_bytes; unsigned long htab_hash_mask; +EXPORT_SYMBOL_GPL(htab_hash_mask); int mmu_linear_psize = MMU_PAGE_4K; int mmu_virtual_psize = MMU_PAGE_4K; int mmu_vmalloc_psize = MMU_PAGE_4K; @@ -102,6 +103,7 @@ int mmu_io_psize = MMU_PAGE_4K; int mmu_kernel_ssize = MMU_SEGSIZE_256M; int mmu_highuser_ssize = MMU_SEGSIZE_256M; u16 mmu_slb_size = 64; +EXPORT_SYMBOL_GPL(mmu_slb_size); #ifdef CONFIG_HUGETLB_PAGE unsigned int HPAGE_SHIFT; #endif @@ -481,16 +483,6 @@ static void __init htab_init_page_sizes(void) #ifdef CONFIG_HUGETLB_PAGE /* Reserve 16G huge page memory sections for huge pages */ of_scan_flat_dt(htab_dt_scan_hugepage_blocks, NULL); - -/* Set default large page size. Currently, we pick 16M or 1M depending - * on what is available - */ - if (mmu_psize_defs[MMU_PAGE_16M].shift) - HPAGE_SHIFT = mmu_psize_defs[MMU_PAGE_16M].shift; - /* With 4k/4level pagetables, we can't (for now) cope with a - * huge page size < PMD_SIZE */ - else if (mmu_psize_defs[MMU_PAGE_1M].shift) - HPAGE_SHIFT = mmu_psize_defs[MMU_PAGE_1M].shift; #endif /* CONFIG_HUGETLB_PAGE */ } @@ -785,7 +777,7 @@ unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap) /* page is dirty */ if (!test_bit(PG_arch_1, &page->flags) && !PageReserved(page)) { if (trap == 0x400) { - __flush_dcache_icache(page_address(page)); + flush_dcache_icache_page(page); set_bit(PG_arch_1, &page->flags); } else pp |= HPTE_R_N; @@ -843,9 +835,9 @@ void demote_segment_4k(struct mm_struct *mm, unsigned long addr) * Result is 0: full permissions, _PAGE_RW: read-only, * _PAGE_USER or _PAGE_USER|_PAGE_RW: no access. */ -static int subpage_protection(pgd_t *pgdir, unsigned long ea) +static int subpage_protection(struct mm_struct *mm, unsigned long ea) { - struct subpage_prot_table *spt = pgd_subpage_prot(pgdir); + struct subpage_prot_table *spt = &mm->context.spt; u32 spp = 0; u32 **sbpm, *sbpp; @@ -873,7 +865,7 @@ static int subpage_protection(pgd_t *pgdir, unsigned long ea) } #else /* CONFIG_PPC_SUBPAGE_PROT */ -static inline int subpage_protection(pgd_t *pgdir, unsigned long ea) +static inline int subpage_protection(struct mm_struct *mm, unsigned long ea) { return 0; } @@ -891,6 +883,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) unsigned long vsid; struct mm_struct *mm; pte_t *ptep; + unsigned hugeshift; const struct cpumask *tmp; int rc, user_region = 0, local = 0; int psize, ssize; @@ -943,30 +936,31 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) if (user_region && cpumask_equal(mm_cpumask(mm), tmp)) local = 1; -#ifdef CONFIG_HUGETLB_PAGE - /* Handle hugepage regions */ - if (HPAGE_SHIFT && mmu_huge_psizes[psize]) { - DBG_LOW(" -> huge page !\n"); - return hash_huge_page(mm, access, ea, vsid, local, trap); - } -#endif /* CONFIG_HUGETLB_PAGE */ - #ifndef CONFIG_PPC_64K_PAGES - /* If we use 4K pages and our psize is not 4K, then we are hitting - * a special driver mapping, we need to align the address before - * we fetch the PTE + /* If we use 4K pages and our psize is not 4K, then we might + * be hitting a special driver mapping, and need to align the + * address before we fetch the PTE. + * + * It could also be a hugepage mapping, in which case this is + * not necessary, but it's not harmful, either. */ if (psize != MMU_PAGE_4K) ea &= ~((1ul << mmu_psize_defs[psize].shift) - 1); #endif /* CONFIG_PPC_64K_PAGES */ /* Get PTE and page size from page tables */ - ptep = find_linux_pte(pgdir, ea); + ptep = find_linux_pte_or_hugepte(pgdir, ea, &hugeshift); if (ptep == NULL || !pte_present(*ptep)) { DBG_LOW(" no PTE !\n"); return 1; } +#ifdef CONFIG_HUGETLB_PAGE + if (hugeshift) + return __hash_page_huge(ea, access, vsid, ptep, trap, local, + ssize, hugeshift, psize); +#endif /* CONFIG_HUGETLB_PAGE */ + #ifndef CONFIG_PPC_64K_PAGES DBG_LOW(" i-pte: %016lx\n", pte_val(*ptep)); #else diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c new file mode 100644 index 0000000..1995398 --- /dev/null +++ b/arch/powerpc/mm/hugetlbpage-hash64.c @@ -0,0 +1,139 @@ +/* + * PPC64 Huge TLB Page Support for hash based MMUs (POWER4 and later) + * + * Copyright (C) 2003 David Gibson, IBM Corporation. + * + * Based on the IA-32 version: + * Copyright (C) 2002, Rohit Seth <rohit.seth@intel.com> + */ + +#include <linux/mm.h> +#include <linux/hugetlb.h> +#include <asm/pgtable.h> +#include <asm/pgalloc.h> +#include <asm/cacheflush.h> +#include <asm/machdep.h> + +int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, + pte_t *ptep, unsigned long trap, int local, int ssize, + unsigned int shift, unsigned int mmu_psize) +{ + unsigned long old_pte, new_pte; + unsigned long va, rflags, pa, sz; + long slot; + int err = 1; + + BUG_ON(shift != mmu_psize_defs[mmu_psize].shift); + + /* Search the Linux page table for a match with va */ + va = hpt_va(ea, vsid, ssize); + + /* + * Check the user's access rights to the page. If access should be + * prevented then send the problem up to do_page_fault. + */ + if (unlikely(access & ~pte_val(*ptep))) + goto out; + /* + * At this point, we have a pte (old_pte) which can be used to build + * or update an HPTE. There are 2 cases: + * + * 1. There is a valid (present) pte with no associated HPTE (this is + * the most common case) + * 2. There is a valid (present) pte with an associated HPTE. The + * current values of the pp bits in the HPTE prevent access + * because we are doing software DIRTY bit management and the + * page is currently not DIRTY. + */ + + + do { + old_pte = pte_val(*ptep); + if (old_pte & _PAGE_BUSY) + goto out; + new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED; + } while(old_pte != __cmpxchg_u64((unsigned long *)ptep, + old_pte, new_pte)); + + rflags = 0x2 | (!(new_pte & _PAGE_RW)); + /* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */ + rflags |= ((new_pte & _PAGE_EXEC) ? 0 : HPTE_R_N); + sz = ((1UL) << shift); + if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) + /* No CPU has hugepages but lacks no execute, so we + * don't need to worry about that case */ + rflags = hash_page_do_lazy_icache(rflags, __pte(old_pte), trap); + + /* Check if pte already has an hpte (case 2) */ + if (unlikely(old_pte & _PAGE_HASHPTE)) { + /* There MIGHT be an HPTE for this pte */ + unsigned long hash, slot; + + hash = hpt_hash(va, shift, ssize); + if (old_pte & _PAGE_F_SECOND) + hash = ~hash; + slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; + slot += (old_pte & _PAGE_F_GIX) >> 12; + + if (ppc_md.hpte_updatepp(slot, rflags, va, mmu_psize, + ssize, local) == -1) + old_pte &= ~_PAGE_HPTEFLAGS; + } + + if (likely(!(old_pte & _PAGE_HASHPTE))) { + unsigned long hash = hpt_hash(va, shift, ssize); + unsigned long hpte_group; + + pa = pte_pfn(__pte(old_pte)) << PAGE_SHIFT; + +repeat: + hpte_group = ((hash & htab_hash_mask) * + HPTES_PER_GROUP) & ~0x7UL; + + /* clear HPTE slot informations in new PTE */ +#ifdef CONFIG_PPC_64K_PAGES + new_pte = (new_pte & ~_PAGE_HPTEFLAGS) | _PAGE_HPTE_SUB0; +#else + new_pte = (new_pte & ~_PAGE_HPTEFLAGS) | _PAGE_HASHPTE; +#endif + /* Add in WIMG bits */ + rflags |= (new_pte & (_PAGE_WRITETHRU | _PAGE_NO_CACHE | + _PAGE_COHERENT | _PAGE_GUARDED)); + + /* Insert into the hash table, primary slot */ + slot = ppc_md.hpte_insert(hpte_group, va, pa, rflags, 0, + mmu_psize, ssize); + + /* Primary is full, try the secondary */ + if (unlikely(slot == -1)) { + hpte_group = ((~hash & htab_hash_mask) * + HPTES_PER_GROUP) & ~0x7UL; + slot = ppc_md.hpte_insert(hpte_group, va, pa, rflags, + HPTE_V_SECONDARY, + mmu_psize, ssize); + if (slot == -1) { + if (mftb() & 0x1) + hpte_group = ((hash & htab_hash_mask) * + HPTES_PER_GROUP)&~0x7UL; + + ppc_md.hpte_remove(hpte_group); + goto repeat; + } + } + + if (unlikely(slot == -2)) + panic("hash_huge_page: pte_insert failed\n"); + + new_pte |= (slot << 12) & (_PAGE_F_SECOND | _PAGE_F_GIX); + } + + /* + * No need to use ldarx/stdcx here + */ + *ptep = __pte(new_pte & ~_PAGE_BUSY); + + err = 0; + + out: + return err; +} diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 90df6ff..123f707 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -7,29 +7,17 @@ * Copyright (C) 2002, Rohit Seth <rohit.seth@intel.com> */ -#include <linux/init.h> -#include <linux/fs.h> #include <linux/mm.h> +#include <linux/io.h> #include <linux/hugetlb.h> -#include <linux/pagemap.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/sysctl.h> -#include <asm/mman.h> +#include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/tlb.h> -#include <asm/tlbflush.h> -#include <asm/mmu_context.h> -#include <asm/machdep.h> -#include <asm/cputable.h> -#include <asm/spu.h> #define PAGE_SHIFT_64K 16 #define PAGE_SHIFT_16M 24 #define PAGE_SHIFT_16G 34 -#define NUM_LOW_AREAS (0x100000000UL >> SID_SHIFT) -#define NUM_HIGH_AREAS (PGTABLE_RANGE >> HTLB_AREA_SHIFT) #define MAX_NUMBER_GPAGES 1024 /* Tracks the 16G pages after the device tree is scanned and before the @@ -37,53 +25,17 @@ static unsigned long gpage_freearray[MAX_NUMBER_GPAGES]; static unsigned nr_gpages; -/* Array of valid huge page sizes - non-zero value(hugepte_shift) is - * stored for the huge page sizes that are valid. - */ -unsigned int mmu_huge_psizes[MMU_PAGE_COUNT] = { }; /* initialize all to 0 */ - -#define hugepte_shift mmu_huge_psizes -#define PTRS_PER_HUGEPTE(psize) (1 << hugepte_shift[psize]) -#define HUGEPTE_TABLE_SIZE(psize) (sizeof(pte_t) << hugepte_shift[psize]) - -#define HUGEPD_SHIFT(psize) (mmu_psize_to_shift(psize) \ - + hugepte_shift[psize]) -#define HUGEPD_SIZE(psize) (1UL << HUGEPD_SHIFT(psize)) -#define HUGEPD_MASK(psize) (~(HUGEPD_SIZE(psize)-1)) - -/* Subtract one from array size because we don't need a cache for 4K since - * is not a huge page size */ -#define HUGE_PGTABLE_INDEX(psize) (HUGEPTE_CACHE_NUM + psize - 1) -#define HUGEPTE_CACHE_NAME(psize) (huge_pgtable_cache_name[psize]) - -static const char *huge_pgtable_cache_name[MMU_PAGE_COUNT] = { - [MMU_PAGE_64K] = "hugepte_cache_64K", - [MMU_PAGE_1M] = "hugepte_cache_1M", - [MMU_PAGE_16M] = "hugepte_cache_16M", - [MMU_PAGE_16G] = "hugepte_cache_16G", -}; - /* Flag to mark huge PD pointers. This means pmd_bad() and pud_bad() * will choke on pointers to hugepte tables, which is handy for * catching screwups early. */ -#define HUGEPD_OK 0x1 - -typedef struct { unsigned long pd; } hugepd_t; - -#define hugepd_none(hpd) ((hpd).pd == 0) static inline int shift_to_mmu_psize(unsigned int shift) { - switch (shift) { -#ifndef CONFIG_PPC_64K_PAGES - case PAGE_SHIFT_64K: - return MMU_PAGE_64K; -#endif - case PAGE_SHIFT_16M: - return MMU_PAGE_16M; - case PAGE_SHIFT_16G: - return MMU_PAGE_16G; - } + int psize; + + for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) + if (mmu_psize_defs[psize].shift == shift) + return psize; return -1; } @@ -94,71 +46,126 @@ static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) BUG(); } +#define hugepd_none(hpd) ((hpd).pd == 0) + static inline pte_t *hugepd_page(hugepd_t hpd) { - BUG_ON(!(hpd.pd & HUGEPD_OK)); - return (pte_t *)(hpd.pd & ~HUGEPD_OK); + BUG_ON(!hugepd_ok(hpd)); + return (pte_t *)((hpd.pd & ~HUGEPD_SHIFT_MASK) | 0xc000000000000000); +} + +static inline unsigned int hugepd_shift(hugepd_t hpd) +{ + return hpd.pd & HUGEPD_SHIFT_MASK; } -static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr, - struct hstate *hstate) +static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr, unsigned pdshift) { - unsigned int shift = huge_page_shift(hstate); - int psize = shift_to_mmu_psize(shift); - unsigned long idx = ((addr >> shift) & (PTRS_PER_HUGEPTE(psize)-1)); + unsigned long idx = (addr & ((1UL << pdshift) - 1)) >> hugepd_shift(*hpdp); pte_t *dir = hugepd_page(*hpdp); return dir + idx; } +pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, unsigned *shift) +{ + pgd_t *pg; + pud_t *pu; + pmd_t *pm; + hugepd_t *hpdp = NULL; + unsigned pdshift = PGDIR_SHIFT; + + if (shift) + *shift = 0; + + pg = pgdir + pgd_index(ea); + if (is_hugepd(pg)) { + hpdp = (hugepd_t *)pg; + } else if (!pgd_none(*pg)) { + pdshift = PUD_SHIFT; + pu = pud_offset(pg, ea); + if (is_hugepd(pu)) + hpdp = (hugepd_t *)pu; + else if (!pud_none(*pu)) { + pdshift = PMD_SHIFT; + pm = pmd_offset(pu, ea); + if (is_hugepd(pm)) + hpdp = (hugepd_t *)pm; + else if (!pmd_none(*pm)) { + return pte_offset_map(pm, ea); + } + } + } + + if (!hpdp) + return NULL; + + if (shift) + *shift = hugepd_shift(*hpdp); + return hugepte_offset(hpdp, ea, pdshift); +} + +pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) +{ + return find_linux_pte_or_hugepte(mm->pgd, addr, NULL); +} + static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp, - unsigned long address, unsigned int psize) + unsigned long address, unsigned pdshift, unsigned pshift) { - pte_t *new = kmem_cache_zalloc(pgtable_cache[HUGE_PGTABLE_INDEX(psize)], - GFP_KERNEL|__GFP_REPEAT); + pte_t *new = kmem_cache_zalloc(PGT_CACHE(pdshift - pshift), + GFP_KERNEL|__GFP_REPEAT); + + BUG_ON(pshift > HUGEPD_SHIFT_MASK); + BUG_ON((unsigned long)new & HUGEPD_SHIFT_MASK); if (! new) return -ENOMEM; spin_lock(&mm->page_table_lock); if (!hugepd_none(*hpdp)) - kmem_cache_free(pgtable_cache[HUGE_PGTABLE_INDEX(psize)], new); + kmem_cache_free(PGT_CACHE(pdshift - pshift), new); else - hpdp->pd = (unsigned long)new | HUGEPD_OK; + hpdp->pd = ((unsigned long)new & ~0x8000000000000000) | pshift; spin_unlock(&mm->page_table_lock); return 0; } - -static pud_t *hpud_offset(pgd_t *pgd, unsigned long addr, struct hstate *hstate) -{ - if (huge_page_shift(hstate) < PUD_SHIFT) - return pud_offset(pgd, addr); - else - return (pud_t *) pgd; -} -static pud_t *hpud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long addr, - struct hstate *hstate) +pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz) { - if (huge_page_shift(hstate) < PUD_SHIFT) - return pud_alloc(mm, pgd, addr); - else - return (pud_t *) pgd; -} -static pmd_t *hpmd_offset(pud_t *pud, unsigned long addr, struct hstate *hstate) -{ - if (huge_page_shift(hstate) < PMD_SHIFT) - return pmd_offset(pud, addr); - else - return (pmd_t *) pud; -} -static pmd_t *hpmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long addr, - struct hstate *hstate) -{ - if (huge_page_shift(hstate) < PMD_SHIFT) - return pmd_alloc(mm, pud, addr); - else - return (pmd_t *) pud; + pgd_t *pg; + pud_t *pu; + pmd_t *pm; + hugepd_t *hpdp = NULL; + unsigned pshift = __ffs(sz); + unsigned pdshift = PGDIR_SHIFT; + + addr &= ~(sz-1); + + pg = pgd_offset(mm, addr); + if (pshift >= PUD_SHIFT) { + hpdp = (hugepd_t *)pg; + } else { + pdshift = PUD_SHIFT; + pu = pud_alloc(mm, pg, addr); + if (pshift >= PMD_SHIFT) { + hpdp = (hugepd_t *)pu; + } else { + pdshift = PMD_SHIFT; + pm = pmd_alloc(mm, pu, addr); + hpdp = (hugepd_t *)pm; + } + } + + if (!hpdp) + return NULL; + + BUG_ON(!hugepd_none(*hpdp) && !hugepd_ok(*hpdp)); + + if (hugepd_none(*hpdp) && __hugepte_alloc(mm, hpdp, addr, pdshift, pshift)) + return NULL; + + return hugepte_offset(hpdp, addr, pdshift); } /* Build list of addresses of gigantic pages. This function is used in early @@ -192,94 +199,38 @@ int alloc_bootmem_huge_page(struct hstate *hstate) return 1; } - -/* Modelled after find_linux_pte() */ -pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) -{ - pgd_t *pg; - pud_t *pu; - pmd_t *pm; - - unsigned int psize; - unsigned int shift; - unsigned long sz; - struct hstate *hstate; - psize = get_slice_psize(mm, addr); - shift = mmu_psize_to_shift(psize); - sz = ((1UL) << shift); - hstate = size_to_hstate(sz); - - addr &= hstate->mask; - - pg = pgd_offset(mm, addr); - if (!pgd_none(*pg)) { - pu = hpud_offset(pg, addr, hstate); - if (!pud_none(*pu)) { - pm = hpmd_offset(pu, addr, hstate); - if (!pmd_none(*pm)) - return hugepte_offset((hugepd_t *)pm, addr, - hstate); - } - } - - return NULL; -} - -pte_t *huge_pte_alloc(struct mm_struct *mm, - unsigned long addr, unsigned long sz) -{ - pgd_t *pg; - pud_t *pu; - pmd_t *pm; - hugepd_t *hpdp = NULL; - struct hstate *hstate; - unsigned int psize; - hstate = size_to_hstate(sz); - - psize = get_slice_psize(mm, addr); - BUG_ON(!mmu_huge_psizes[psize]); - - addr &= hstate->mask; - - pg = pgd_offset(mm, addr); - pu = hpud_alloc(mm, pg, addr, hstate); - - if (pu) { - pm = hpmd_alloc(mm, pu, addr, hstate); - if (pm) - hpdp = (hugepd_t *)pm; - } - - if (! hpdp) - return NULL; - - if (hugepd_none(*hpdp) && __hugepte_alloc(mm, hpdp, addr, psize)) - return NULL; - - return hugepte_offset(hpdp, addr, hstate); -} - int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep) { return 0; } -static void free_hugepte_range(struct mmu_gather *tlb, hugepd_t *hpdp, - unsigned int psize) +static void free_hugepd_range(struct mmu_gather *tlb, hugepd_t *hpdp, int pdshift, + unsigned long start, unsigned long end, + unsigned long floor, unsigned long ceiling) { pte_t *hugepte = hugepd_page(*hpdp); + unsigned shift = hugepd_shift(*hpdp); + unsigned long pdmask = ~((1UL << pdshift) - 1); + + start &= pdmask; + if (start < floor) + return; + if (ceiling) { + ceiling &= pdmask; + if (! ceiling) + return; + } + if (end - 1 > ceiling - 1) + return; hpdp->pd = 0; tlb->need_flush = 1; - pgtable_free_tlb(tlb, pgtable_free_cache(hugepte, - HUGEPTE_CACHE_NUM+psize-1, - PGF_CACHENUM_MASK)); + pgtable_free_tlb(tlb, hugepte, pdshift - shift); } static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, unsigned long addr, unsigned long end, - unsigned long floor, unsigned long ceiling, - unsigned int psize) + unsigned long floor, unsigned long ceiling) { pmd_t *pmd; unsigned long next; @@ -291,7 +242,8 @@ static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, next = pmd_addr_end(addr, end); if (pmd_none(*pmd)) continue; - free_hugepte_range(tlb, (hugepd_t *)pmd, psize); + free_hugepd_range(tlb, (hugepd_t *)pmd, PMD_SHIFT, + addr, next, floor, ceiling); } while (pmd++, addr = next, addr != end); start &= PUD_MASK; @@ -317,23 +269,19 @@ static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, pud_t *pud; unsigned long next; unsigned long start; - unsigned int shift; - unsigned int psize = get_slice_psize(tlb->mm, addr); - shift = mmu_psize_to_shift(psize); start = addr; pud = pud_offset(pgd, addr); do { next = pud_addr_end(addr, end); - if (shift < PMD_SHIFT) { + if (!is_hugepd(pud)) { if (pud_none_or_clear_bad(pud)) continue; hugetlb_free_pmd_range(tlb, pud, addr, next, floor, - ceiling, psize); + ceiling); } else { - if (pud_none(*pud)) - continue; - free_hugepte_range(tlb, (hugepd_t *)pud, psize); + free_hugepd_range(tlb, (hugepd_t *)pud, PUD_SHIFT, + addr, next, floor, ceiling); } } while (pud++, addr = next, addr != end); @@ -364,121 +312,56 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, { pgd_t *pgd; unsigned long next; - unsigned long start; /* - * Comments below take from the normal free_pgd_range(). They - * apply here too. The tests against HUGEPD_MASK below are - * essential, because we *don't* test for this at the bottom - * level. Without them we'll attempt to free a hugepte table - * when we unmap just part of it, even if there are other - * active mappings using it. - * - * The next few lines have given us lots of grief... - * - * Why are we testing HUGEPD* at this top level? Because - * often there will be no work to do at all, and we'd prefer - * not to go all the way down to the bottom just to discover - * that. - * - * Why all these "- 1"s? Because 0 represents both the bottom - * of the address space and the top of it (using -1 for the - * top wouldn't help much: the masks would do the wrong thing). - * The rule is that addr 0 and floor 0 refer to the bottom of - * the address space, but end 0 and ceiling 0 refer to the top - * Comparisons need to use "end - 1" and "ceiling - 1" (though - * that end 0 case should be mythical). + * Because there are a number of different possible pagetable + * layouts for hugepage ranges, we limit knowledge of how + * things should be laid out to the allocation path + * (huge_pte_alloc(), above). Everything else works out the + * structure as it goes from information in the hugepd + * pointers. That means that we can't here use the + * optimization used in the normal page free_pgd_range(), of + * checking whether we're actually covering a large enough + * range to have to do anything at the top level of the walk + * instead of at the bottom. * - * Wherever addr is brought up or ceiling brought down, we - * must be careful to reject "the opposite 0" before it - * confuses the subsequent tests. But what about where end is - * brought down by HUGEPD_SIZE below? no, end can't go down to - * 0 there. - * - * Whereas we round start (addr) and ceiling down, by different - * masks at different levels, in order to test whether a table - * now has no other vmas using it, so can be freed, we don't - * bother to round floor or end up - the tests don't need that. + * To make sense of this, you should probably go read the big + * block comment at the top of the normal free_pgd_range(), + * too. */ - unsigned int psize = get_slice_psize(tlb->mm, addr); - - addr &= HUGEPD_MASK(psize); - if (addr < floor) { - addr += HUGEPD_SIZE(psize); - if (!addr) - return; - } - if (ceiling) { - ceiling &= HUGEPD_MASK(psize); - if (!ceiling) - return; - } - if (end - 1 > ceiling - 1) - end -= HUGEPD_SIZE(psize); - if (addr > end - 1) - return; - start = addr; pgd = pgd_offset(tlb->mm, addr); do { - psize = get_slice_psize(tlb->mm, addr); - BUG_ON(!mmu_huge_psizes[psize]); next = pgd_addr_end(addr, end); - if (mmu_psize_to_shift(psize) < PUD_SHIFT) { + if (!is_hugepd(pgd)) { if (pgd_none_or_clear_bad(pgd)) continue; hugetlb_free_pud_range(tlb, pgd, addr, next, floor, ceiling); } else { - if (pgd_none(*pgd)) - continue; - free_hugepte_range(tlb, (hugepd_t *)pgd, psize); + free_hugepd_range(tlb, (hugepd_t *)pgd, PGDIR_SHIFT, + addr, next, floor, ceiling); } } while (pgd++, addr = next, addr != end); } -void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) -{ - if (pte_present(*ptep)) { - /* We open-code pte_clear because we need to pass the right - * argument to hpte_need_flush (huge / !huge). Might not be - * necessary anymore if we make hpte_need_flush() get the - * page size from the slices - */ - unsigned int psize = get_slice_psize(mm, addr); - unsigned int shift = mmu_psize_to_shift(psize); - unsigned long sz = ((1UL) << shift); - struct hstate *hstate = size_to_hstate(sz); - pte_update(mm, addr & hstate->mask, ptep, ~0UL, 1); - } - *ptep = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS); -} - -pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep) -{ - unsigned long old = pte_update(mm, addr, ptep, ~0UL, 1); - return __pte(old); -} - struct page * follow_huge_addr(struct mm_struct *mm, unsigned long address, int write) { pte_t *ptep; struct page *page; - unsigned int mmu_psize = get_slice_psize(mm, address); + unsigned shift; + unsigned long mask; + + ptep = find_linux_pte_or_hugepte(mm->pgd, address, &shift); /* Verify it is a huge page else bail. */ - if (!mmu_huge_psizes[mmu_psize]) + if (!ptep || !shift) return ERR_PTR(-EINVAL); - ptep = huge_pte_offset(mm, address); + mask = (1UL << shift) - 1; page = pte_page(*ptep); - if (page) { - unsigned int shift = mmu_psize_to_shift(mmu_psize); - unsigned long sz = ((1UL) << shift); - page += (address % sz) / PAGE_SIZE; - } + if (page) + page += (address & mask) / PAGE_SIZE; return page; } @@ -501,6 +384,82 @@ follow_huge_pmd(struct mm_struct *mm, unsigned long address, return NULL; } +static noinline int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, + unsigned long end, int write, struct page **pages, int *nr) +{ + unsigned long mask; + unsigned long pte_end; + struct page *head, *page; + pte_t pte; + int refs; + + pte_end = (addr + sz) & ~(sz-1); + if (pte_end < end) + end = pte_end; + + pte = *ptep; + mask = _PAGE_PRESENT | _PAGE_USER; + if (write) + mask |= _PAGE_RW; + + if ((pte_val(pte) & mask) != mask) + return 0; + + /* hugepages are never "special" */ + VM_BUG_ON(!pfn_valid(pte_pfn(pte))); + + refs = 0; + head = pte_page(pte); + + page = head + ((addr & (sz-1)) >> PAGE_SHIFT); + do { + VM_BUG_ON(compound_head(page) != head); + pages[*nr] = page; + (*nr)++; + page++; + refs++; + } while (addr += PAGE_SIZE, addr != end); + + if (!page_cache_add_speculative(head, refs)) { + *nr -= refs; + return 0; + } + + if (unlikely(pte_val(pte) != pte_val(*ptep))) { + /* Could be optimized better */ + while (*nr) { + put_page(page); + (*nr)--; + } + } + + return 1; +} + +static unsigned long hugepte_addr_end(unsigned long addr, unsigned long end, + unsigned long sz) +{ + unsigned long __boundary = (addr + sz) & ~(sz-1); + return (__boundary - 1 < end - 1) ? __boundary : end; +} + +int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, + unsigned long addr, unsigned long end, + int write, struct page **pages, int *nr) +{ + pte_t *ptep; + unsigned long sz = 1UL << hugepd_shift(*hugepd); + unsigned long next; + + ptep = hugepte_offset(hugepd, addr, pdshift); + do { + next = hugepte_addr_end(addr, end, sz); + if (!gup_hugepte(ptep, sz, addr, end, write, pages, nr)) + return 0; + } while (ptep++, addr = next, addr != end); + + return 1; +} unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, @@ -509,8 +468,6 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, struct hstate *hstate = hstate_file(file); int mmu_psize = shift_to_mmu_psize(huge_page_shift(hstate)); - if (!mmu_huge_psizes[mmu_psize]) - return -EINVAL; return slice_get_unmapped_area(addr, len, flags, mmu_psize, 1, 0); } @@ -521,229 +478,46 @@ unsigned long vma_mmu_pagesize(struct vm_area_struct *vma) return 1UL << mmu_psize_to_shift(psize); } -/* - * Called by asm hashtable.S for doing lazy icache flush - */ -static unsigned int hash_huge_page_do_lazy_icache(unsigned long rflags, - pte_t pte, int trap, unsigned long sz) +static int __init add_huge_page_size(unsigned long long size) { - struct page *page; - int i; - - if (!pfn_valid(pte_pfn(pte))) - return rflags; - - page = pte_page(pte); - - /* page is dirty */ - if (!test_bit(PG_arch_1, &page->flags) && !PageReserved(page)) { - if (trap == 0x400) { - for (i = 0; i < (sz / PAGE_SIZE); i++) - __flush_dcache_icache(page_address(page+i)); - set_bit(PG_arch_1, &page->flags); - } else { - rflags |= HPTE_R_N; - } - } - return rflags; -} + int shift = __ffs(size); + int mmu_psize; -int hash_huge_page(struct mm_struct *mm, unsigned long access, - unsigned long ea, unsigned long vsid, int local, - unsigned long trap) -{ - pte_t *ptep; - unsigned long old_pte, new_pte; - unsigned long va, rflags, pa, sz; - long slot; - int err = 1; - int ssize = user_segment_size(ea); - unsigned int mmu_psize; - int shift; - mmu_psize = get_slice_psize(mm, ea); - - if (!mmu_huge_psizes[mmu_psize]) - goto out; - ptep = huge_pte_offset(mm, ea); - - /* Search the Linux page table for a match with va */ - va = hpt_va(ea, vsid, ssize); + /* Check that it is a page size supported by the hardware and + * that it fits within pagetable and slice limits. */ + if (!is_power_of_2(size) + || (shift > SLICE_HIGH_SHIFT) || (shift <= PAGE_SHIFT)) + return -EINVAL; - /* - * If no pte found or not present, send the problem up to - * do_page_fault - */ - if (unlikely(!ptep || pte_none(*ptep))) - goto out; + if ((mmu_psize = shift_to_mmu_psize(shift)) < 0) + return -EINVAL; - /* - * Check the user's access rights to the page. If access should be - * prevented then send the problem up to do_page_fault. +#ifdef CONFIG_SPU_FS_64K_LS + /* Disable support for 64K huge pages when 64K SPU local store + * support is enabled as the current implementation conflicts. */ - if (unlikely(access & ~pte_val(*ptep))) - goto out; - /* - * At this point, we have a pte (old_pte) which can be used to build - * or update an HPTE. There are 2 cases: - * - * 1. There is a valid (present) pte with no associated HPTE (this is - * the most common case) - * 2. There is a valid (present) pte with an associated HPTE. The - * current values of the pp bits in the HPTE prevent access - * because we are doing software DIRTY bit management and the - * page is currently not DIRTY. - */ - - - do { - old_pte = pte_val(*ptep); - if (old_pte & _PAGE_BUSY) - goto out; - new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED; - } while(old_pte != __cmpxchg_u64((unsigned long *)ptep, - old_pte, new_pte)); - - rflags = 0x2 | (!(new_pte & _PAGE_RW)); - /* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */ - rflags |= ((new_pte & _PAGE_EXEC) ? 0 : HPTE_R_N); - shift = mmu_psize_to_shift(mmu_psize); - sz = ((1UL) << shift); - if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) - /* No CPU has hugepages but lacks no execute, so we - * don't need to worry about that case */ - rflags = hash_huge_page_do_lazy_icache(rflags, __pte(old_pte), - trap, sz); - - /* Check if pte already has an hpte (case 2) */ - if (unlikely(old_pte & _PAGE_HASHPTE)) { - /* There MIGHT be an HPTE for this pte */ - unsigned long hash, slot; - - hash = hpt_hash(va, shift, ssize); - if (old_pte & _PAGE_F_SECOND) - hash = ~hash; - slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; - slot += (old_pte & _PAGE_F_GIX) >> 12; - - if (ppc_md.hpte_updatepp(slot, rflags, va, mmu_psize, - ssize, local) == -1) - old_pte &= ~_PAGE_HPTEFLAGS; - } - - if (likely(!(old_pte & _PAGE_HASHPTE))) { - unsigned long hash = hpt_hash(va, shift, ssize); - unsigned long hpte_group; - - pa = pte_pfn(__pte(old_pte)) << PAGE_SHIFT; - -repeat: - hpte_group = ((hash & htab_hash_mask) * - HPTES_PER_GROUP) & ~0x7UL; - - /* clear HPTE slot informations in new PTE */ -#ifdef CONFIG_PPC_64K_PAGES - new_pte = (new_pte & ~_PAGE_HPTEFLAGS) | _PAGE_HPTE_SUB0; -#else - new_pte = (new_pte & ~_PAGE_HPTEFLAGS) | _PAGE_HASHPTE; -#endif - /* Add in WIMG bits */ - rflags |= (new_pte & (_PAGE_WRITETHRU | _PAGE_NO_CACHE | - _PAGE_COHERENT | _PAGE_GUARDED)); - - /* Insert into the hash table, primary slot */ - slot = ppc_md.hpte_insert(hpte_group, va, pa, rflags, 0, - mmu_psize, ssize); - - /* Primary is full, try the secondary */ - if (unlikely(slot == -1)) { - hpte_group = ((~hash & htab_hash_mask) * - HPTES_PER_GROUP) & ~0x7UL; - slot = ppc_md.hpte_insert(hpte_group, va, pa, rflags, - HPTE_V_SECONDARY, - mmu_psize, ssize); - if (slot == -1) { - if (mftb() & 0x1) - hpte_group = ((hash & htab_hash_mask) * - HPTES_PER_GROUP)&~0x7UL; - - ppc_md.hpte_remove(hpte_group); - goto repeat; - } - } - - if (unlikely(slot == -2)) - panic("hash_huge_page: pte_insert failed\n"); - - new_pte |= (slot << 12) & (_PAGE_F_SECOND | _PAGE_F_GIX); - } + if (shift == PAGE_SHIFT_64K) + return -EINVAL; +#endif /* CONFIG_SPU_FS_64K_LS */ - /* - * No need to use ldarx/stdcx here - */ - *ptep = __pte(new_pte & ~_PAGE_BUSY); + BUG_ON(mmu_psize_defs[mmu_psize].shift != shift); - err = 0; + /* Return if huge page size has already been setup */ + if (size_to_hstate(size)) + return 0; - out: - return err; -} + hugetlb_add_hstate(shift - PAGE_SHIFT); -static void __init set_huge_psize(int psize) -{ - /* Check that it is a page size supported by the hardware and - * that it fits within pagetable limits. */ - if (mmu_psize_defs[psize].shift && - mmu_psize_defs[psize].shift < SID_SHIFT_1T && - (mmu_psize_defs[psize].shift > MIN_HUGEPTE_SHIFT || - mmu_psize_defs[psize].shift == PAGE_SHIFT_64K || - mmu_psize_defs[psize].shift == PAGE_SHIFT_16G)) { - /* Return if huge page size has already been setup or is the - * same as the base page size. */ - if (mmu_huge_psizes[psize] || - mmu_psize_defs[psize].shift == PAGE_SHIFT) - return; - if (WARN_ON(HUGEPTE_CACHE_NAME(psize) == NULL)) - return; - hugetlb_add_hstate(mmu_psize_defs[psize].shift - PAGE_SHIFT); - - switch (mmu_psize_defs[psize].shift) { - case PAGE_SHIFT_64K: - /* We only allow 64k hpages with 4k base page, - * which was checked above, and always put them - * at the PMD */ - hugepte_shift[psize] = PMD_SHIFT; - break; - case PAGE_SHIFT_16M: - /* 16M pages can be at two different levels - * of pagestables based on base page size */ - if (PAGE_SHIFT == PAGE_SHIFT_64K) - hugepte_shift[psize] = PMD_SHIFT; - else /* 4k base page */ - hugepte_shift[psize] = PUD_SHIFT; - break; - case PAGE_SHIFT_16G: - /* 16G pages are always at PGD level */ - hugepte_shift[psize] = PGDIR_SHIFT; - break; - } - hugepte_shift[psize] -= mmu_psize_defs[psize].shift; - } else - hugepte_shift[psize] = 0; + return 0; } static int __init hugepage_setup_sz(char *str) { unsigned long long size; - int mmu_psize; - int shift; size = memparse(str, &str); - shift = __ffs(size); - mmu_psize = shift_to_mmu_psize(shift); - if (mmu_psize >= 0 && mmu_psize_defs[mmu_psize].shift) - set_huge_psize(mmu_psize); - else + if (add_huge_page_size(size) != 0) printk(KERN_WARNING "Invalid huge page size specified(%llu)\n", size); return 1; @@ -752,41 +526,55 @@ __setup("hugepagesz=", hugepage_setup_sz); static int __init hugetlbpage_init(void) { - unsigned int psize; + int psize; if (!cpu_has_feature(CPU_FTR_16M_PAGE)) return -ENODEV; - /* Add supported huge page sizes. Need to change HUGE_MAX_HSTATE - * and adjust PTE_NONCACHE_NUM if the number of supported huge page - * sizes changes. - */ - set_huge_psize(MMU_PAGE_16M); - set_huge_psize(MMU_PAGE_16G); + for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) { + unsigned shift; + unsigned pdshift; - /* Temporarily disable support for 64K huge pages when 64K SPU local - * store support is enabled as the current implementation conflicts. - */ -#ifndef CONFIG_SPU_FS_64K_LS - set_huge_psize(MMU_PAGE_64K); -#endif + if (!mmu_psize_defs[psize].shift) + continue; - for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) { - if (mmu_huge_psizes[psize]) { - pgtable_cache[HUGE_PGTABLE_INDEX(psize)] = - kmem_cache_create( - HUGEPTE_CACHE_NAME(psize), - HUGEPTE_TABLE_SIZE(psize), - HUGEPTE_TABLE_SIZE(psize), - 0, - NULL); - if (!pgtable_cache[HUGE_PGTABLE_INDEX(psize)]) - panic("hugetlbpage_init(): could not create %s"\ - "\n", HUGEPTE_CACHE_NAME(psize)); - } + shift = mmu_psize_to_shift(psize); + + if (add_huge_page_size(1ULL << shift) < 0) + continue; + + if (shift < PMD_SHIFT) + pdshift = PMD_SHIFT; + else if (shift < PUD_SHIFT) + pdshift = PUD_SHIFT; + else + pdshift = PGDIR_SHIFT; + + pgtable_cache_add(pdshift - shift, NULL); + if (!PGT_CACHE(pdshift - shift)) + panic("hugetlbpage_init(): could not create " + "pgtable cache for %d bit pagesize\n", shift); } + /* Set default large page size. Currently, we pick 16M or 1M + * depending on what is available + */ + if (mmu_psize_defs[MMU_PAGE_16M].shift) + HPAGE_SHIFT = mmu_psize_defs[MMU_PAGE_16M].shift; + else if (mmu_psize_defs[MMU_PAGE_1M].shift) + HPAGE_SHIFT = mmu_psize_defs[MMU_PAGE_1M].shift; + return 0; } module_init(hugetlbpage_init); + +void flush_dcache_icache_hugepage(struct page *page) +{ + int i; + + BUG_ON(!PageCompound(page)); + + for (i = 0; i < (1UL << compound_order(page)); i++) + __flush_dcache_icache(page_address(page+i)); +} diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 9ddcfb4..4ec900a 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -82,6 +82,11 @@ extern struct task_struct *current_set[NR_CPUS]; int __map_without_bats; int __map_without_ltlbs; +/* + * This tells the system to allow ioremapping memory marked as reserved. + */ +int __allow_ioremap_reserved; + /* max amount of low RAM to map in */ unsigned long __max_low_memory = MAX_LOW_MEM; @@ -131,9 +136,13 @@ void __init MMU_init(void) MMU_setup(); if (lmb.memory.cnt > 1) { +#ifndef CONFIG_WII lmb.memory.cnt = 1; lmb_analyze(); printk(KERN_WARNING "Only using first contiguous memory region"); +#else + wii_memory_fixups(); +#endif } total_lowmem = total_memory = lmb_end_of_DRAM() - memstart_addr; diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 335c578..776f28d 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -41,6 +41,7 @@ #include <linux/module.h> #include <linux/poison.h> #include <linux/lmb.h> +#include <linux/hugetlb.h> #include <asm/pgalloc.h> #include <asm/page.h> @@ -119,30 +120,63 @@ static void pmd_ctor(void *addr) memset(addr, 0, PMD_TABLE_SIZE); } -static const unsigned int pgtable_cache_size[2] = { - PGD_TABLE_SIZE, PMD_TABLE_SIZE -}; -static const char *pgtable_cache_name[ARRAY_SIZE(pgtable_cache_size)] = { -#ifdef CONFIG_PPC_64K_PAGES - "pgd_cache", "pmd_cache", -#else - "pgd_cache", "pud_pmd_cache", -#endif /* CONFIG_PPC_64K_PAGES */ -}; - -#ifdef CONFIG_HUGETLB_PAGE -/* Hugepages need an extra cache per hugepagesize, initialized in - * hugetlbpage.c. We can't put into the tables above, because HPAGE_SHIFT - * is not compile time constant. */ -struct kmem_cache *pgtable_cache[ARRAY_SIZE(pgtable_cache_size)+MMU_PAGE_COUNT]; -#else -struct kmem_cache *pgtable_cache[ARRAY_SIZE(pgtable_cache_size)]; -#endif +struct kmem_cache *pgtable_cache[MAX_PGTABLE_INDEX_SIZE]; + +/* + * Create a kmem_cache() for pagetables. This is not used for PTE + * pages - they're linked to struct page, come from the normal free + * pages pool and have a different entry size (see real_pte_t) to + * everything else. Caches created by this function are used for all + * the higher level pagetables, and for hugepage pagetables. + */ +void pgtable_cache_add(unsigned shift, void (*ctor)(void *)) +{ + char *name; + unsigned long table_size = sizeof(void *) << shift; + unsigned long align = table_size; + + /* When batching pgtable pointers for RCU freeing, we store + * the index size in the low bits. Table alignment must be + * big enough to fit it. + * + * Likewise, hugeapge pagetable pointers contain a (different) + * shift value in the low bits. All tables must be aligned so + * as to leave enough 0 bits in the address to contain it. */ + unsigned long minalign = max(MAX_PGTABLE_INDEX_SIZE + 1, + HUGEPD_SHIFT_MASK + 1); + struct kmem_cache *new; + + /* It would be nice if this was a BUILD_BUG_ON(), but at the + * moment, gcc doesn't seem to recognize is_power_of_2 as a + * constant expression, so so much for that. */ + BUG_ON(!is_power_of_2(minalign)); + BUG_ON((shift < 1) || (shift > MAX_PGTABLE_INDEX_SIZE)); + + if (PGT_CACHE(shift)) + return; /* Already have a cache of this size */ + + align = max_t(unsigned long, align, minalign); + name = kasprintf(GFP_KERNEL, "pgtable-2^%d", shift); + new = kmem_cache_create(name, table_size, align, 0, ctor); + PGT_CACHE(shift) = new; + + pr_debug("Allocated pgtable cache for order %d\n", shift); +} + void pgtable_cache_init(void) { - pgtable_cache[0] = kmem_cache_create(pgtable_cache_name[0], PGD_TABLE_SIZE, PGD_TABLE_SIZE, SLAB_PANIC, pgd_ctor); - pgtable_cache[1] = kmem_cache_create(pgtable_cache_name[1], PMD_TABLE_SIZE, PMD_TABLE_SIZE, SLAB_PANIC, pmd_ctor); + pgtable_cache_add(PGD_INDEX_SIZE, pgd_ctor); + pgtable_cache_add(PMD_INDEX_SIZE, pmd_ctor); + if (!PGT_CACHE(PGD_INDEX_SIZE) || !PGT_CACHE(PMD_INDEX_SIZE)) + panic("Couldn't allocate pgtable caches"); + + /* In all current configs, when the PUD index exists it's the + * same size as either the pgd or pmd index. Verify that the + * initialization above has also created a PUD cache. This + * will need re-examiniation if we add new possibilities for + * the pagetable layout. */ + BUG_ON(PUD_INDEX_SIZE && !PGT_CACHE(PUD_INDEX_SIZE)); } #ifdef CONFIG_SPARSEMEM_VMEMMAP diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 5973631..b9b1525 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -32,6 +32,7 @@ #include <linux/pagemap.h> #include <linux/suspend.h> #include <linux/lmb.h> +#include <linux/hugetlb.h> #include <asm/pgalloc.h> #include <asm/prom.h> @@ -417,18 +418,26 @@ EXPORT_SYMBOL(flush_dcache_page); void flush_dcache_icache_page(struct page *page) { +#ifdef CONFIG_HUGETLB_PAGE + if (PageCompound(page)) { + flush_dcache_icache_hugepage(page); + return; + } +#endif #ifdef CONFIG_BOOKE - void *start = kmap_atomic(page, KM_PPC_SYNC_ICACHE); - __flush_dcache_icache(start); - kunmap_atomic(start, KM_PPC_SYNC_ICACHE); + { + void *start = kmap_atomic(page, KM_PPC_SYNC_ICACHE); + __flush_dcache_icache(start); + kunmap_atomic(start, KM_PPC_SYNC_ICACHE); + } #elif defined(CONFIG_8xx) || defined(CONFIG_PPC64) /* On 8xx there is no need to kmap since highmem is not supported */ __flush_dcache_icache(page_address(page)); #else __flush_dcache_icache_phys(page_to_pfn(page) << PAGE_SHIFT); #endif - } + void clear_user_page(void *page, unsigned long vaddr, struct page *pg) { clear_page(page); diff --git a/arch/powerpc/mm/mmu_context_hash64.c b/arch/powerpc/mm/mmu_context_hash64.c index dbeb86a..b910d37 100644 --- a/arch/powerpc/mm/mmu_context_hash64.c +++ b/arch/powerpc/mm/mmu_context_hash64.c @@ -18,6 +18,7 @@ #include <linux/mm.h> #include <linux/spinlock.h> #include <linux/idr.h> +#include <linux/module.h> #include <asm/mmu_context.h> @@ -32,7 +33,7 @@ static DEFINE_IDR(mmu_context_idr); #define NO_CONTEXT 0 #define MAX_CONTEXT ((1UL << 19) - 1) -int init_new_context(struct task_struct *tsk, struct mm_struct *mm) +int __init_new_context(void) { int index; int err; @@ -57,22 +58,41 @@ again: return -ENOMEM; } + return index; +} +EXPORT_SYMBOL_GPL(__init_new_context); + +int init_new_context(struct task_struct *tsk, struct mm_struct *mm) +{ + int index; + + index = __init_new_context(); + if (index < 0) + return index; + /* The old code would re-promote on fork, we don't do that * when using slices as it could cause problem promoting slices * that have been forced down to 4K */ if (slice_mm_new_context(mm)) slice_set_user_psize(mm, mmu_virtual_psize); + subpage_prot_init_new_context(mm); mm->context.id = index; return 0; } -void destroy_context(struct mm_struct *mm) +void __destroy_context(int context_id) { spin_lock(&mmu_context_lock); - idr_remove(&mmu_context_idr, mm->context.id); + idr_remove(&mmu_context_idr, context_id); spin_unlock(&mmu_context_lock); +} +EXPORT_SYMBOL_GPL(__destroy_context); +void destroy_context(struct mm_struct *mm) +{ + __destroy_context(mm->context.id); + subpage_prot_free(mm); mm->context.id = NO_CONTEXT; } diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index d2e5321..d49a775 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -98,23 +98,13 @@ extern void _tlbia(void); #ifdef CONFIG_PPC32 -struct tlbcam { - u32 MAS0; - u32 MAS1; - u32 MAS2; - u32 MAS3; - u32 MAS7; -}; - extern void mapin_ram(void); extern int map_page(unsigned long va, phys_addr_t pa, int flags); extern void setbat(int index, unsigned long virt, phys_addr_t phys, unsigned int size, int flags); -extern void settlbcam(int index, unsigned long virt, phys_addr_t phys, - unsigned int size, int flags, unsigned int pid); -extern void invalidate_tlbcam_entry(int index); extern int __map_without_bats; +extern int __allow_ioremap_reserved; extern unsigned long ioremap_base; extern unsigned int rtas_data, rtas_size; @@ -136,24 +126,32 @@ extern phys_addr_t total_lowmem; extern phys_addr_t memstart_addr; extern phys_addr_t lowmem_end_addr; +#ifdef CONFIG_WII +extern unsigned long wii_hole_start; +extern unsigned long wii_hole_size; + +extern unsigned long wii_mmu_mapin_mem2(unsigned long top); +extern void wii_memory_fixups(void); +#endif + /* ...and now those things that may be slightly different between processor * architectures. -- Dan */ #if defined(CONFIG_8xx) #define MMU_init_hw() do { } while(0) -#define mmu_mapin_ram() (0UL) +#define mmu_mapin_ram(top) (0UL) #elif defined(CONFIG_4xx) extern void MMU_init_hw(void); -extern unsigned long mmu_mapin_ram(void); +extern unsigned long mmu_mapin_ram(unsigned long top); #elif defined(CONFIG_FSL_BOOKE) extern void MMU_init_hw(void); -extern unsigned long mmu_mapin_ram(void); +extern unsigned long mmu_mapin_ram(unsigned long top); extern void adjust_total_lowmem(void); #elif defined(CONFIG_PPC32) /* anything 32-bit except 4xx or 8xx */ extern void MMU_init_hw(void); -extern unsigned long mmu_mapin_ram(void); +extern unsigned long mmu_mapin_ram(unsigned long top); #endif diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index 5304093..99df697 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -49,12 +49,12 @@ struct pte_freelist_batch { struct rcu_head rcu; unsigned int index; - pgtable_free_t tables[0]; + unsigned long tables[0]; }; #define PTE_FREELIST_SIZE \ ((PAGE_SIZE - sizeof(struct pte_freelist_batch)) \ - / sizeof(pgtable_free_t)) + / sizeof(unsigned long)) static void pte_free_smp_sync(void *arg) { @@ -64,13 +64,13 @@ static void pte_free_smp_sync(void *arg) /* This is only called when we are critically out of memory * (and fail to get a page in pte_free_tlb). */ -static void pgtable_free_now(pgtable_free_t pgf) +static void pgtable_free_now(void *table, unsigned shift) { pte_freelist_forced_free++; smp_call_function(pte_free_smp_sync, NULL, 1); - pgtable_free(pgf); + pgtable_free(table, shift); } static void pte_free_rcu_callback(struct rcu_head *head) @@ -79,8 +79,12 @@ static void pte_free_rcu_callback(struct rcu_head *head) container_of(head, struct pte_freelist_batch, rcu); unsigned int i; - for (i = 0; i < batch->index; i++) - pgtable_free(batch->tables[i]); + for (i = 0; i < batch->index; i++) { + void *table = (void *)(batch->tables[i] & ~MAX_PGTABLE_INDEX_SIZE); + unsigned shift = batch->tables[i] & MAX_PGTABLE_INDEX_SIZE; + + pgtable_free(table, shift); + } free_page((unsigned long)batch); } @@ -91,25 +95,28 @@ static void pte_free_submit(struct pte_freelist_batch *batch) call_rcu(&batch->rcu, pte_free_rcu_callback); } -void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf) +void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) { /* This is safe since tlb_gather_mmu has disabled preemption */ struct pte_freelist_batch **batchp = &__get_cpu_var(pte_freelist_cur); + unsigned long pgf; if (atomic_read(&tlb->mm->mm_users) < 2 || cpumask_equal(mm_cpumask(tlb->mm), cpumask_of(smp_processor_id()))){ - pgtable_free(pgf); + pgtable_free(table, shift); return; } if (*batchp == NULL) { *batchp = (struct pte_freelist_batch *)__get_free_page(GFP_ATOMIC); if (*batchp == NULL) { - pgtable_free_now(pgf); + pgtable_free_now(table, shift); return; } (*batchp)->index = 0; } + BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); + pgf = (unsigned long)table | shift; (*batchp)->tables[(*batchp)->index++] = pgf; if ((*batchp)->index == PTE_FREELIST_SIZE) { pte_free_submit(*batchp); diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index cb96cb2..177e403 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -26,6 +26,7 @@ #include <linux/vmalloc.h> #include <linux/init.h> #include <linux/highmem.h> +#include <linux/lmb.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -191,7 +192,8 @@ __ioremap_caller(phys_addr_t addr, unsigned long size, unsigned long flags, * Don't allow anybody to remap normal RAM that we're using. * mem_init() sets high_memory so only do the check after that. */ - if (mem_init_done && (p < virt_to_phys(high_memory))) { + if (mem_init_done && (p < virt_to_phys(high_memory)) && + !(__allow_ioremap_reserved && lmb_is_region_reserved(p, size))) { printk("__ioremap(): phys addr 0x%llx is RAM lr %p\n", (unsigned long long)p, __builtin_return_address(0)); return NULL; @@ -283,18 +285,18 @@ int map_page(unsigned long va, phys_addr_t pa, int flags) } /* - * Map in a big chunk of physical memory starting at PAGE_OFFSET. + * Map in a chunk of physical memory starting at start. */ -void __init mapin_ram(void) +void __init __mapin_ram_chunk(unsigned long offset, unsigned long top) { unsigned long v, s, f; phys_addr_t p; int ktext; - s = mmu_mapin_ram(); + s = offset; v = PAGE_OFFSET + s; p = memstart_addr + s; - for (; s < total_lowmem; s += PAGE_SIZE) { + for (; s < top; s += PAGE_SIZE) { ktext = ((char *) v >= _stext && (char *) v < etext); f = ktext ? PAGE_KERNEL_TEXT : PAGE_KERNEL; map_page(v, p, f); @@ -307,6 +309,30 @@ void __init mapin_ram(void) } } +void __init mapin_ram(void) +{ + unsigned long s, top; + +#ifndef CONFIG_WII + top = total_lowmem; + s = mmu_mapin_ram(top); + __mapin_ram_chunk(s, top); +#else + if (!wii_hole_size) { + s = mmu_mapin_ram(total_lowmem); + __mapin_ram_chunk(s, total_lowmem); + } else { + top = wii_hole_start; + s = mmu_mapin_ram(top); + __mapin_ram_chunk(s, top); + + top = lmb_end_of_DRAM(); + s = wii_mmu_mapin_mem2(top); + __mapin_ram_chunk(s, top); + } +#endif +} + /* Scan the real Linux page tables and return a PTE pointer for * a virtual address in a context. * Returns true (1) if PTE was found, zero otherwise. The pointer to diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index 2d2a87e..f11c2cd 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -72,7 +72,7 @@ unsigned long p_mapped_by_bats(phys_addr_t pa) return 0; } -unsigned long __init mmu_mapin_ram(void) +unsigned long __init mmu_mapin_ram(unsigned long top) { unsigned long tot, bl, done; unsigned long max_size = (256<<20); @@ -86,7 +86,7 @@ unsigned long __init mmu_mapin_ram(void) /* Make sure we don't map a block larger than the smallest alignment of the physical address. */ - tot = total_lowmem; + tot = top; for (bl = 128<<10; bl < max_size; bl <<= 1) { if (bl * 2 > tot) break; diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c index 4cafc0c..a040b81 100644 --- a/arch/powerpc/mm/subpage-prot.c +++ b/arch/powerpc/mm/subpage-prot.c @@ -24,9 +24,9 @@ * Also makes sure that the subpage_prot_table structure is * reinitialized for the next user. */ -void subpage_prot_free(pgd_t *pgd) +void subpage_prot_free(struct mm_struct *mm) { - struct subpage_prot_table *spt = pgd_subpage_prot(pgd); + struct subpage_prot_table *spt = &mm->context.spt; unsigned long i, j, addr; u32 **p; @@ -51,6 +51,13 @@ void subpage_prot_free(pgd_t *pgd) spt->maxaddr = 0; } +void subpage_prot_init_new_context(struct mm_struct *mm) +{ + struct subpage_prot_table *spt = &mm->context.spt; + + memset(spt, 0, sizeof(*spt)); +} + static void hpte_flush_range(struct mm_struct *mm, unsigned long addr, int npages) { @@ -87,7 +94,7 @@ static void hpte_flush_range(struct mm_struct *mm, unsigned long addr, static void subpage_prot_clear(unsigned long addr, unsigned long len) { struct mm_struct *mm = current->mm; - struct subpage_prot_table *spt = pgd_subpage_prot(mm->pgd); + struct subpage_prot_table *spt = &mm->context.spt; u32 **spm, *spp; int i, nw; unsigned long next, limit; @@ -136,7 +143,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len) long sys_subpage_prot(unsigned long addr, unsigned long len, u32 __user *map) { struct mm_struct *mm = current->mm; - struct subpage_prot_table *spt = pgd_subpage_prot(mm->pgd); + struct subpage_prot_table *spt = &mm->context.spt; u32 **spm, *spp; int i, nw; unsigned long next, limit; diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index 2b2f35f..282d930 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -53,11 +53,6 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, i = batch->index; - /* We mask the address for the base page size. Huge pages will - * have applied their own masking already - */ - addr &= PAGE_MASK; - /* Get page size (maybe move back to caller). * * NOTE: when using special 64K mappings in 4K environment like @@ -75,6 +70,9 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, } else psize = pte_pagesize_index(mm, addr, pte); + /* Mask the address for the correct page size */ + addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1); + /* Build full vaddr */ if (!is_kernel_addr(addr)) { ssize = user_segment_size(addr); diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index ae06c62..2c9e522 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c @@ -248,7 +248,7 @@ static int pm_rtas_activate_signals(u32 node, u32 count) * There is no debug setup required for the cycles event. * Note that only events in the same group can be used. * Otherwise, there will be conflicts in correctly routing - * the signals on the debug bus. It is the responsiblity + * the signals on the debug bus. It is the responsibility * of the OProfile user tool to check the events are in * the same group. */ @@ -1594,7 +1594,7 @@ static void cell_handle_interrupt_spu(struct pt_regs *regs, * to a latch. The new values (interrupt setting bits, reset * counter value etc.) are not copied to the actual registers * until the performance monitor is enabled. In order to get - * this to work as desired, the permormance monitor needs to + * this to work as desired, the performance monitor needs to * be disabled while writing to the latches. This is a * HW design issue. */ @@ -1668,7 +1668,7 @@ static void cell_handle_interrupt_ppu(struct pt_regs *regs, * to a latch. The new values (interrupt setting bits, reset * counter value etc.) are not copied to the actual registers * until the performance monitor is enabled. In order to get - * this to work as desired, the permormance monitor needs to + * this to work as desired, the performance monitor needs to * be disabled while writing to the latches. This is a * HW design issue. */ diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c index a6ce805..da9b20a 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -79,7 +79,7 @@ cpld_unmask_irq(unsigned int irq) } static struct irq_chip cpld_pic = { - .typename = " CPLD PIC ", + .name = " CPLD PIC ", .mask = cpld_mask_irq, .ack = cpld_mask_irq, .unmask = cpld_unmask_irq, @@ -132,7 +132,7 @@ static int cpld_pic_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hw) { - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &cpld_pic, handle_level_irq); return 0; } diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig index 8b8e956..47ea1be 100644 --- a/arch/powerpc/platforms/52xx/Kconfig +++ b/arch/powerpc/platforms/52xx/Kconfig @@ -62,3 +62,8 @@ config PPC_MPC5200_GPIO select GENERIC_GPIO help Enable gpiolib support for mpc5200 based boards + +config PPC_MPC5200_LPBFIFO + tristate "MPC5200 LocalPlus bus FIFO driver" + depends on PPC_MPC52xx + select PPC_BESTCOMM_GEN_BD diff --git a/arch/powerpc/platforms/52xx/Makefile b/arch/powerpc/platforms/52xx/Makefile index bfd4f52..2bc8cd0 100644 --- a/arch/powerpc/platforms/52xx/Makefile +++ b/arch/powerpc/platforms/52xx/Makefile @@ -15,3 +15,4 @@ ifeq ($(CONFIG_PPC_LITE5200),y) endif obj-$(CONFIG_PPC_MPC5200_GPIO) += mpc52xx_gpio.o +obj-$(CONFIG_PPC_MPC5200_LPBFIFO) += mpc52xx_lpbfifo.o diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c index bcc69e1..45c0cb9 100644 --- a/arch/powerpc/platforms/52xx/efika.c +++ b/arch/powerpc/platforms/52xx/efika.c @@ -10,7 +10,7 @@ */ #include <linux/init.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/pci.h> #include <linux/of.h> #include <asm/prom.h> diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index 68e4f16..0bac3a3 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -74,7 +74,7 @@ static void media5200_irq_mask(unsigned int virq) } static struct irq_chip media5200_irq_chip = { - .typename = "Media5200 FPGA", + .name = "Media5200 FPGA", .unmask = media5200_irq_unmask, .mask = media5200_irq_mask, .mask_ack = media5200_irq_mask, @@ -86,9 +86,9 @@ void media5200_irq_cascade(unsigned int virq, struct irq_desc *desc) u32 status, enable; /* Mask off the cascaded IRQ */ - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); desc->chip->mask(virq); - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); /* Ask the FPGA for IRQ status. If 'val' is 0, then no irqs * are pending. 'ffs()' is 1 based */ @@ -104,17 +104,17 @@ void media5200_irq_cascade(unsigned int virq, struct irq_desc *desc) } /* Processing done; can reenable the cascade now */ - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); desc->chip->ack(virq); if (!(desc->status & IRQ_DISABLED)) desc->chip->unmask(virq); - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); } static int media5200_irq_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hw) { - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); pr_debug("%s: h=%p, virq=%i, hwirq=%i\n", __func__, h, virq, (int)hw); set_irq_chip_data(virq, &media5200_irq); @@ -127,7 +127,7 @@ static int media5200_irq_map(struct irq_host *h, unsigned int virq, } static int media5200_irq_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index bfbcd41..6f8ebe1 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -16,8 +16,14 @@ * output signals or measure input signals. * * This driver supports the GPIO and IRQ controller functions of the GPT - * device. Timer functions are not yet supported, nor is the watchdog - * timer. + * device. Timer functions are not yet supported. + * + * The timer gpt0 can be used as watchdog (wdt). If the wdt mode is used, + * this prevents the use of any gpt0 gpt function (i.e. they will fail with + * -EBUSY). Thus, the safety wdt function always has precedence over the gpt + * function. If the kernel has been compiled with CONFIG_WATCHDOG_NOWAYOUT, + * this means that gpt0 is locked in wdt mode until the next reboot - this + * may be a requirement in safety applications. * * To use the GPIO function, the following two properties must be added * to the device tree node for the gpt device (typically in the .dts file @@ -46,17 +52,24 @@ * the output mode. This driver does not change the output mode setting. */ +#include <linux/device.h> #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/list.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> #include <linux/kernel.h> +#include <linux/watchdog.h> +#include <linux/miscdevice.h> +#include <linux/uaccess.h> +#include <asm/div64.h> #include <asm/mpc52xx.h> MODULE_DESCRIPTION("Freescale MPC52xx gpt driver"); -MODULE_AUTHOR("Sascha Hauer, Grant Likely"); +MODULE_AUTHOR("Sascha Hauer, Grant Likely, Albrecht Dreß"); MODULE_LICENSE("GPL"); /** @@ -66,18 +79,27 @@ MODULE_LICENSE("GPL"); * @lock: spinlock to coordinate between different functions. * @of_gc: of_gpio_chip instance structure; used when GPIO is enabled * @irqhost: Pointer to irq_host instance; used when IRQ mode is supported + * @wdt_mode: only relevant for gpt0: bit 0 (MPC52xx_GPT_CAN_WDT) indicates + * if the gpt may be used as wdt, bit 1 (MPC52xx_GPT_IS_WDT) indicates + * if the timer is actively used as wdt which blocks gpt functions */ struct mpc52xx_gpt_priv { + struct list_head list; /* List of all GPT devices */ struct device *dev; struct mpc52xx_gpt __iomem *regs; spinlock_t lock; struct irq_host *irqhost; + u32 ipb_freq; + u8 wdt_mode; #if defined(CONFIG_GPIOLIB) struct of_gpio_chip of_gc; #endif }; +LIST_HEAD(mpc52xx_gpt_list); +DEFINE_MUTEX(mpc52xx_gpt_list_mutex); + #define MPC52xx_GPT_MODE_MS_MASK (0x07) #define MPC52xx_GPT_MODE_MS_IC (0x01) #define MPC52xx_GPT_MODE_MS_OC (0x02) @@ -88,15 +110,25 @@ struct mpc52xx_gpt_priv { #define MPC52xx_GPT_MODE_GPIO_OUT_LOW (0x20) #define MPC52xx_GPT_MODE_GPIO_OUT_HIGH (0x30) +#define MPC52xx_GPT_MODE_COUNTER_ENABLE (0x1000) +#define MPC52xx_GPT_MODE_CONTINUOUS (0x0400) +#define MPC52xx_GPT_MODE_OPEN_DRAIN (0x0200) #define MPC52xx_GPT_MODE_IRQ_EN (0x0100) +#define MPC52xx_GPT_MODE_WDT_EN (0x8000) #define MPC52xx_GPT_MODE_ICT_MASK (0x030000) #define MPC52xx_GPT_MODE_ICT_RISING (0x010000) #define MPC52xx_GPT_MODE_ICT_FALLING (0x020000) #define MPC52xx_GPT_MODE_ICT_TOGGLE (0x030000) +#define MPC52xx_GPT_MODE_WDT_PING (0xa5) + #define MPC52xx_GPT_STATUS_IRQMASK (0x000f) +#define MPC52xx_GPT_CAN_WDT (1 << 0) +#define MPC52xx_GPT_IS_WDT (1 << 1) + + /* --------------------------------------------------------------------- * Cascaded interrupt controller hooks */ @@ -149,7 +181,7 @@ static int mpc52xx_gpt_irq_set_type(unsigned int virq, unsigned int flow_type) } static struct irq_chip mpc52xx_gpt_irq_chip = { - .typename = "MPC52xx GPT", + .name = "MPC52xx GPT", .unmask = mpc52xx_gpt_irq_unmask, .mask = mpc52xx_gpt_irq_mask, .ack = mpc52xx_gpt_irq_ack, @@ -182,7 +214,7 @@ static int mpc52xx_gpt_irq_map(struct irq_host *h, unsigned int virq, } static int mpc52xx_gpt_irq_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { @@ -190,7 +222,7 @@ static int mpc52xx_gpt_irq_xlate(struct irq_host *h, struct device_node *ct, dev_dbg(gpt->dev, "%s: flags=%i\n", __func__, intspec[0]); - if ((intsize < 1) || (intspec[0] < 1) || (intspec[0] > 3)) { + if ((intsize < 1) || (intspec[0] > 3)) { dev_err(gpt->dev, "bad irq specifier in %s\n", ct->full_name); return -EINVAL; } @@ -211,13 +243,11 @@ mpc52xx_gpt_irq_setup(struct mpc52xx_gpt_priv *gpt, struct device_node *node) { int cascade_virq; unsigned long flags; - - /* Only setup cascaded IRQ if device tree claims the GPT is - * an interrupt controller */ - if (!of_find_property(node, "interrupt-controller", NULL)) - return; + u32 mode; cascade_virq = irq_of_parse_and_map(node, 0); + if (!cascade_virq) + return; gpt->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR, 1, &mpc52xx_gpt_irq_ops, -1); @@ -227,14 +257,16 @@ mpc52xx_gpt_irq_setup(struct mpc52xx_gpt_priv *gpt, struct device_node *node) } gpt->irqhost->host_data = gpt; - set_irq_data(cascade_virq, gpt); set_irq_chained_handler(cascade_virq, mpc52xx_gpt_irq_cascade); - /* Set to Input Capture mode */ + /* If the GPT is currently disabled, then change it to be in Input + * Capture mode. If the mode is non-zero, then the pin could be + * already in use for something. */ spin_lock_irqsave(&gpt->lock, flags); - clrsetbits_be32(&gpt->regs->mode, MPC52xx_GPT_MODE_MS_MASK, - MPC52xx_GPT_MODE_MS_IC); + mode = in_be32(&gpt->regs->mode); + if ((mode & MPC52xx_GPT_MODE_MS_MASK) == 0) + out_be32(&gpt->regs->mode, mode | MPC52xx_GPT_MODE_MS_IC); spin_unlock_irqrestore(&gpt->lock, flags); dev_dbg(gpt->dev, "%s() complete. virq=%i\n", __func__, cascade_virq); @@ -335,6 +367,354 @@ static void mpc52xx_gpt_gpio_setup(struct mpc52xx_gpt_priv *p, struct device_node *np) { } #endif /* defined(CONFIG_GPIOLIB) */ +/*********************************************************************** + * Timer API + */ + +/** + * mpc52xx_gpt_from_irq - Return the GPT device associated with an IRQ number + * @irq: irq of timer. + */ +struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq) +{ + struct mpc52xx_gpt_priv *gpt; + struct list_head *pos; + + /* Iterate over the list of timers looking for a matching device */ + mutex_lock(&mpc52xx_gpt_list_mutex); + list_for_each(pos, &mpc52xx_gpt_list) { + gpt = container_of(pos, struct mpc52xx_gpt_priv, list); + if (gpt->irqhost && irq == irq_linear_revmap(gpt->irqhost, 0)) { + mutex_unlock(&mpc52xx_gpt_list_mutex); + return gpt; + } + } + mutex_unlock(&mpc52xx_gpt_list_mutex); + + return NULL; +} +EXPORT_SYMBOL(mpc52xx_gpt_from_irq); + +static int mpc52xx_gpt_do_start(struct mpc52xx_gpt_priv *gpt, u64 period, + int continuous, int as_wdt) +{ + u32 clear, set; + u64 clocks; + u32 prescale; + unsigned long flags; + + clear = MPC52xx_GPT_MODE_MS_MASK | MPC52xx_GPT_MODE_CONTINUOUS; + set = MPC52xx_GPT_MODE_MS_GPIO | MPC52xx_GPT_MODE_COUNTER_ENABLE; + if (as_wdt) { + clear |= MPC52xx_GPT_MODE_IRQ_EN; + set |= MPC52xx_GPT_MODE_WDT_EN; + } else if (continuous) + set |= MPC52xx_GPT_MODE_CONTINUOUS; + + /* Determine the number of clocks in the requested period. 64 bit + * arithmatic is done here to preserve the precision until the value + * is scaled back down into the u32 range. Period is in 'ns', bus + * frequency is in Hz. */ + clocks = period * (u64)gpt->ipb_freq; + do_div(clocks, 1000000000); /* Scale it down to ns range */ + + /* This device cannot handle a clock count greater than 32 bits */ + if (clocks > 0xffffffff) + return -EINVAL; + + /* Calculate the prescaler and count values from the clocks value. + * 'clocks' is the number of clock ticks in the period. The timer + * has 16 bit precision and a 16 bit prescaler. Prescaler is + * calculated by integer dividing the clocks by 0x10000 (shifting + * down 16 bits) to obtain the smallest possible divisor for clocks + * to get a 16 bit count value. + * + * Note: the prescale register is '1' based, not '0' based. ie. a + * value of '1' means divide the clock by one. 0xffff divides the + * clock by 0xffff. '0x0000' does not divide by zero, but wraps + * around and divides by 0x10000. That is why prescale must be + * a u32 variable, not a u16, for this calculation. */ + prescale = (clocks >> 16) + 1; + do_div(clocks, prescale); + if (clocks > 0xffff) { + pr_err("calculation error; prescale:%x clocks:%llx\n", + prescale, clocks); + return -EINVAL; + } + + /* Set and enable the timer, reject an attempt to use a wdt as gpt */ + spin_lock_irqsave(&gpt->lock, flags); + if (as_wdt) + gpt->wdt_mode |= MPC52xx_GPT_IS_WDT; + else if ((gpt->wdt_mode & MPC52xx_GPT_IS_WDT) != 0) { + spin_unlock_irqrestore(&gpt->lock, flags); + return -EBUSY; + } + out_be32(&gpt->regs->count, prescale << 16 | clocks); + clrsetbits_be32(&gpt->regs->mode, clear, set); + spin_unlock_irqrestore(&gpt->lock, flags); + + return 0; +} + +/** + * mpc52xx_gpt_start_timer - Set and enable the GPT timer + * @gpt: Pointer to gpt private data structure + * @period: period of timer in ns; max. ~130s @ 33MHz IPB clock + * @continuous: set to 1 to make timer continuous free running + * + * An interrupt will be generated every time the timer fires + */ +int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period, + int continuous) +{ + return mpc52xx_gpt_do_start(gpt, period, continuous, 0); +} +EXPORT_SYMBOL(mpc52xx_gpt_start_timer); + +/** + * mpc52xx_gpt_stop_timer - Stop a gpt + * @gpt: Pointer to gpt private data structure + * + * Returns an error if attempting to stop a wdt + */ +int mpc52xx_gpt_stop_timer(struct mpc52xx_gpt_priv *gpt) +{ + unsigned long flags; + + /* reject the operation if the timer is used as watchdog (gpt 0 only) */ + spin_lock_irqsave(&gpt->lock, flags); + if ((gpt->wdt_mode & MPC52xx_GPT_IS_WDT) != 0) { + spin_unlock_irqrestore(&gpt->lock, flags); + return -EBUSY; + } + + clrbits32(&gpt->regs->mode, MPC52xx_GPT_MODE_COUNTER_ENABLE); + spin_unlock_irqrestore(&gpt->lock, flags); + return 0; +} +EXPORT_SYMBOL(mpc52xx_gpt_stop_timer); + +/** + * mpc52xx_gpt_timer_period - Read the timer period + * @gpt: Pointer to gpt private data structure + * + * Returns the timer period in ns + */ +u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt) +{ + u64 period; + u64 prescale; + unsigned long flags; + + spin_lock_irqsave(&gpt->lock, flags); + period = in_be32(&gpt->regs->count); + spin_unlock_irqrestore(&gpt->lock, flags); + + prescale = period >> 16; + period &= 0xffff; + if (prescale == 0) + prescale = 0x10000; + period = period * prescale * 1000000000ULL; + do_div(period, (u64)gpt->ipb_freq); + return period; +} +EXPORT_SYMBOL(mpc52xx_gpt_timer_period); + +#if defined(CONFIG_MPC5200_WDT) +/*********************************************************************** + * Watchdog API for gpt0 + */ + +#define WDT_IDENTITY "mpc52xx watchdog on GPT0" + +/* wdt_is_active stores wether or not the /dev/watchdog device is opened */ +static unsigned long wdt_is_active; + +/* wdt-capable gpt */ +static struct mpc52xx_gpt_priv *mpc52xx_gpt_wdt; + +/* low-level wdt functions */ +static inline void mpc52xx_gpt_wdt_ping(struct mpc52xx_gpt_priv *gpt_wdt) +{ + unsigned long flags; + + spin_lock_irqsave(&gpt_wdt->lock, flags); + out_8((u8 *) &gpt_wdt->regs->mode, MPC52xx_GPT_MODE_WDT_PING); + spin_unlock_irqrestore(&gpt_wdt->lock, flags); +} + +/* wdt misc device api */ +static ssize_t mpc52xx_wdt_write(struct file *file, const char __user *data, + size_t len, loff_t *ppos) +{ + struct mpc52xx_gpt_priv *gpt_wdt = file->private_data; + mpc52xx_gpt_wdt_ping(gpt_wdt); + return 0; +} + +static struct watchdog_info mpc5200_wdt_info = { + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, + .identity = WDT_IDENTITY, +}; + +static long mpc52xx_wdt_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct mpc52xx_gpt_priv *gpt_wdt = file->private_data; + int __user *data = (int __user *)arg; + int timeout; + u64 real_timeout; + int ret = 0; + + switch (cmd) { + case WDIOC_GETSUPPORT: + ret = copy_to_user(data, &mpc5200_wdt_info, + sizeof(mpc5200_wdt_info)); + if (ret) + ret = -EFAULT; + break; + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + ret = put_user(0, data); + break; + + case WDIOC_KEEPALIVE: + mpc52xx_gpt_wdt_ping(gpt_wdt); + break; + + case WDIOC_SETTIMEOUT: + ret = get_user(timeout, data); + if (ret) + break; + real_timeout = (u64) timeout * 1000000000ULL; + ret = mpc52xx_gpt_do_start(gpt_wdt, real_timeout, 0, 1); + if (ret) + break; + /* fall through and return the timeout */ + + case WDIOC_GETTIMEOUT: + /* we need to round here as to avoid e.g. the following + * situation: + * - timeout requested is 1 second; + * - real timeout @33MHz is 999997090ns + * - the int divide by 10^9 will return 0. + */ + real_timeout = + mpc52xx_gpt_timer_period(gpt_wdt) + 500000000ULL; + do_div(real_timeout, 1000000000ULL); + timeout = (int) real_timeout; + ret = put_user(timeout, data); + break; + + default: + ret = -ENOTTY; + } + return ret; +} + +static int mpc52xx_wdt_open(struct inode *inode, struct file *file) +{ + int ret; + + /* sanity check */ + if (!mpc52xx_gpt_wdt) + return -ENODEV; + + /* /dev/watchdog can only be opened once */ + if (test_and_set_bit(0, &wdt_is_active)) + return -EBUSY; + + /* Set and activate the watchdog with 30 seconds timeout */ + ret = mpc52xx_gpt_do_start(mpc52xx_gpt_wdt, 30ULL * 1000000000ULL, + 0, 1); + if (ret) { + clear_bit(0, &wdt_is_active); + return ret; + } + + file->private_data = mpc52xx_gpt_wdt; + return nonseekable_open(inode, file); +} + +static int mpc52xx_wdt_release(struct inode *inode, struct file *file) +{ + /* note: releasing the wdt in NOWAYOUT-mode does not stop it */ +#if !defined(CONFIG_WATCHDOG_NOWAYOUT) + struct mpc52xx_gpt_priv *gpt_wdt = file->private_data; + unsigned long flags; + + spin_lock_irqsave(&gpt_wdt->lock, flags); + clrbits32(&gpt_wdt->regs->mode, + MPC52xx_GPT_MODE_COUNTER_ENABLE | MPC52xx_GPT_MODE_WDT_EN); + gpt_wdt->wdt_mode &= ~MPC52xx_GPT_IS_WDT; + spin_unlock_irqrestore(&gpt_wdt->lock, flags); +#endif + clear_bit(0, &wdt_is_active); + return 0; +} + + +static const struct file_operations mpc52xx_wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = mpc52xx_wdt_write, + .unlocked_ioctl = mpc52xx_wdt_ioctl, + .open = mpc52xx_wdt_open, + .release = mpc52xx_wdt_release, +}; + +static struct miscdevice mpc52xx_wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &mpc52xx_wdt_fops, +}; + +static int __devinit mpc52xx_gpt_wdt_init(void) +{ + int err; + + /* try to register the watchdog misc device */ + err = misc_register(&mpc52xx_wdt_miscdev); + if (err) + pr_err("%s: cannot register watchdog device\n", WDT_IDENTITY); + else + pr_info("%s: watchdog device registered\n", WDT_IDENTITY); + return err; +} + +static int mpc52xx_gpt_wdt_setup(struct mpc52xx_gpt_priv *gpt, + const u32 *period) +{ + u64 real_timeout; + + /* remember the gpt for the wdt operation */ + mpc52xx_gpt_wdt = gpt; + + /* configure the wdt if the device tree contained a timeout */ + if (!period || *period == 0) + return 0; + + real_timeout = (u64) *period * 1000000000ULL; + if (mpc52xx_gpt_do_start(gpt, real_timeout, 0, 1)) + dev_warn(gpt->dev, "starting as wdt failed\n"); + else + dev_info(gpt->dev, "watchdog set to %us timeout\n", *period); + return 0; +} + +#else + +static int __devinit mpc52xx_gpt_wdt_init(void) +{ + return 0; +} + +#define mpc52xx_gpt_wdt_setup(x, y) (0) + +#endif /* CONFIG_MPC5200_WDT */ + /* --------------------------------------------------------------------- * of_platform bus binding code */ @@ -349,6 +729,7 @@ static int __devinit mpc52xx_gpt_probe(struct of_device *ofdev, spin_lock_init(&gpt->lock); gpt->dev = &ofdev->dev; + gpt->ipb_freq = mpc5xxx_get_bus_frequency(ofdev->node); gpt->regs = of_iomap(ofdev->node, 0); if (!gpt->regs) { kfree(gpt); @@ -360,6 +741,26 @@ static int __devinit mpc52xx_gpt_probe(struct of_device *ofdev, mpc52xx_gpt_gpio_setup(gpt, ofdev->node); mpc52xx_gpt_irq_setup(gpt, ofdev->node); + mutex_lock(&mpc52xx_gpt_list_mutex); + list_add(&gpt->list, &mpc52xx_gpt_list); + mutex_unlock(&mpc52xx_gpt_list_mutex); + + /* check if this device could be a watchdog */ + if (of_get_property(ofdev->node, "fsl,has-wdt", NULL) || + of_get_property(ofdev->node, "has-wdt", NULL)) { + const u32 *on_boot_wdt; + + gpt->wdt_mode = MPC52xx_GPT_CAN_WDT; + on_boot_wdt = of_get_property(ofdev->node, "fsl,wdt-on-boot", + NULL); + if (on_boot_wdt) { + dev_info(gpt->dev, "used as watchdog\n"); + gpt->wdt_mode |= MPC52xx_GPT_IS_WDT; + } else + dev_info(gpt->dev, "can function as watchdog\n"); + mpc52xx_gpt_wdt_setup(gpt, on_boot_wdt); + } + return 0; } @@ -394,3 +795,4 @@ static int __init mpc52xx_gpt_init(void) /* Make sure GPIOs and IRQs get set up before anyone tries to use them */ subsys_initcall(mpc52xx_gpt_init); +device_initcall(mpc52xx_gpt_wdt_init); diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c new file mode 100644 index 0000000..929d017 --- /dev/null +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -0,0 +1,560 @@ +/* + * LocalPlus Bus FIFO driver for the Freescale MPC52xx. + * + * Copyright (C) 2009 Secret Lab Technologies Ltd. + * + * This file is released under the GPLv2 + * + * Todo: + * - Add support for multiple requests to be queued. + */ + +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/spinlock.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/mpc52xx.h> +#include <asm/time.h> + +#include <sysdev/bestcomm/bestcomm.h> +#include <sysdev/bestcomm/bestcomm_priv.h> +#include <sysdev/bestcomm/gen_bd.h> + +MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>"); +MODULE_DESCRIPTION("MPC5200 LocalPlus FIFO device driver"); +MODULE_LICENSE("GPL"); + +#define LPBFIFO_REG_PACKET_SIZE (0x00) +#define LPBFIFO_REG_START_ADDRESS (0x04) +#define LPBFIFO_REG_CONTROL (0x08) +#define LPBFIFO_REG_ENABLE (0x0C) +#define LPBFIFO_REG_BYTES_DONE_STATUS (0x14) +#define LPBFIFO_REG_FIFO_DATA (0x40) +#define LPBFIFO_REG_FIFO_STATUS (0x44) +#define LPBFIFO_REG_FIFO_CONTROL (0x48) +#define LPBFIFO_REG_FIFO_ALARM (0x4C) + +struct mpc52xx_lpbfifo { + struct device *dev; + phys_addr_t regs_phys; + void __iomem *regs; + int irq; + spinlock_t lock; + + struct bcom_task *bcom_tx_task; + struct bcom_task *bcom_rx_task; + struct bcom_task *bcom_cur_task; + + /* Current state data */ + struct mpc52xx_lpbfifo_request *req; + int dma_irqs_enabled; +}; + +/* The MPC5200 has only one fifo, so only need one instance structure */ +static struct mpc52xx_lpbfifo lpbfifo; + +/** + * mpc52xx_lpbfifo_kick - Trigger the next block of data to be transfered + */ +static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req) +{ + size_t transfer_size = req->size - req->pos; + struct bcom_bd *bd; + void __iomem *reg; + u32 *data; + int i; + int bit_fields; + int dma = !(req->flags & MPC52XX_LPBFIFO_FLAG_NO_DMA); + int write = req->flags & MPC52XX_LPBFIFO_FLAG_WRITE; + int poll_dma = req->flags & MPC52XX_LPBFIFO_FLAG_POLL_DMA; + + /* Set and clear the reset bits; is good practice in User Manual */ + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, 0x01010000); + + /* set master enable bit */ + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, 0x00000001); + if (!dma) { + /* While the FIFO can be setup for transfer sizes as large as + * 16M-1, the FIFO itself is only 512 bytes deep and it does + * not generate interrupts for FIFO full events (only transfer + * complete will raise an IRQ). Therefore when not using + * Bestcomm to drive the FIFO it needs to either be polled, or + * transfers need to constrained to the size of the fifo. + * + * This driver restricts the size of the transfer + */ + if (transfer_size > 512) + transfer_size = 512; + + /* Load the FIFO with data */ + if (write) { + reg = lpbfifo.regs + LPBFIFO_REG_FIFO_DATA; + data = req->data + req->pos; + for (i = 0; i < transfer_size; i += 4) + out_be32(reg, *data++); + } + + /* Unmask both error and completion irqs */ + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, 0x00000301); + } else { + /* Choose the correct direction + * + * Configure the watermarks so DMA will always complete correctly. + * It may be worth experimenting with the ALARM value to see if + * there is a performance impacit. However, if it is wrong there + * is a risk of DMA not transferring the last chunk of data + */ + if (write) { + out_be32(lpbfifo.regs + LPBFIFO_REG_FIFO_ALARM, 0x1e4); + out_8(lpbfifo.regs + LPBFIFO_REG_FIFO_CONTROL, 7); + lpbfifo.bcom_cur_task = lpbfifo.bcom_tx_task; + } else { + out_be32(lpbfifo.regs + LPBFIFO_REG_FIFO_ALARM, 0x1ff); + out_8(lpbfifo.regs + LPBFIFO_REG_FIFO_CONTROL, 0); + lpbfifo.bcom_cur_task = lpbfifo.bcom_rx_task; + + if (poll_dma) { + if (lpbfifo.dma_irqs_enabled) { + disable_irq(bcom_get_task_irq(lpbfifo.bcom_rx_task)); + lpbfifo.dma_irqs_enabled = 0; + } + } else { + if (!lpbfifo.dma_irqs_enabled) { + enable_irq(bcom_get_task_irq(lpbfifo.bcom_rx_task)); + lpbfifo.dma_irqs_enabled = 1; + } + } + } + + bd = bcom_prepare_next_buffer(lpbfifo.bcom_cur_task); + bd->status = transfer_size; + if (!write) { + /* + * In the DMA read case, the DMA doesn't complete, + * possibly due to incorrect watermarks in the ALARM + * and CONTROL regs. For now instead of trying to + * determine the right watermarks that will make this + * work, just increase the number of bytes the FIFO is + * expecting. + * + * When submitting another operation, the FIFO will get + * reset, so the condition of the FIFO waiting for a + * non-existent 4 bytes will get cleared. + */ + transfer_size += 4; /* BLECH! */ + } + bd->data[0] = req->data_phys + req->pos; + bcom_submit_next_buffer(lpbfifo.bcom_cur_task, NULL); + + /* error irq & master enabled bit */ + bit_fields = 0x00000201; + + /* Unmask irqs */ + if (write && (!poll_dma)) + bit_fields |= 0x00000100; /* completion irq too */ + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, bit_fields); + } + + /* Set transfer size, width, chip select and READ mode */ + out_be32(lpbfifo.regs + LPBFIFO_REG_START_ADDRESS, + req->offset + req->pos); + out_be32(lpbfifo.regs + LPBFIFO_REG_PACKET_SIZE, transfer_size); + + bit_fields = req->cs << 24 | 0x000008; + if (!write) + bit_fields |= 0x010000; /* read mode */ + out_be32(lpbfifo.regs + LPBFIFO_REG_CONTROL, bit_fields); + + /* Kick it off */ + out_8(lpbfifo.regs + LPBFIFO_REG_PACKET_SIZE, 0x01); + if (dma) + bcom_enable(lpbfifo.bcom_cur_task); +} + +/** + * mpc52xx_lpbfifo_irq - IRQ handler for LPB FIFO + * + * On transmit, the dma completion irq triggers before the fifo completion + * triggers. Handle the dma completion here instead of the LPB FIFO Bestcomm + * task completion irq becuase everyting is not really done until the LPB FIFO + * completion irq triggers. + * + * In other words: + * For DMA, on receive, the "Fat Lady" is the bestcom completion irq. on + * transmit, the fifo completion irq is the "Fat Lady". The opera (or in this + * case the DMA/FIFO operation) is not finished until the "Fat Lady" sings. + * + * Reasons for entering this routine: + * 1) PIO mode rx and tx completion irq + * 2) DMA interrupt mode tx completion irq + * 3) DMA polled mode tx + * + * Exit conditions: + * 1) Transfer aborted + * 2) FIFO complete without DMA; more data to do + * 3) FIFO complete without DMA; all data transfered + * 4) FIFO complete using DMA + * + * Condition 1 can occur regardless of whether or not DMA is used. + * It requires executing the callback to report the error and exiting + * immediately. + * + * Condition 2 requires programming the FIFO with the next block of data + * + * Condition 3 requires executing the callback to report completion + * + * Condition 4 means the same as 3, except that we also retrieve the bcom + * buffer so DMA doesn't get clogged up. + * + * To make things trickier, the spinlock must be dropped before + * executing the callback, otherwise we could end up with a deadlock + * or nested spinlock condition. The out path is non-trivial, so + * extra fiddling is done to make sure all paths lead to the same + * outbound code. + */ +static irqreturn_t mpc52xx_lpbfifo_irq(int irq, void *dev_id) +{ + struct mpc52xx_lpbfifo_request *req; + u32 status = in_8(lpbfifo.regs + LPBFIFO_REG_BYTES_DONE_STATUS); + void __iomem *reg; + u32 *data; + int count, i; + int do_callback = 0; + u32 ts; + unsigned long flags; + int dma, write, poll_dma; + + spin_lock_irqsave(&lpbfifo.lock, flags); + ts = get_tbl(); + + req = lpbfifo.req; + if (!req) { + spin_unlock_irqrestore(&lpbfifo.lock, flags); + pr_err("bogus LPBFIFO IRQ\n"); + return IRQ_HANDLED; + } + + dma = !(req->flags & MPC52XX_LPBFIFO_FLAG_NO_DMA); + write = req->flags & MPC52XX_LPBFIFO_FLAG_WRITE; + poll_dma = req->flags & MPC52XX_LPBFIFO_FLAG_POLL_DMA; + + if (dma && !write) { + spin_unlock_irqrestore(&lpbfifo.lock, flags); + pr_err("bogus LPBFIFO IRQ (dma and not writting)\n"); + return IRQ_HANDLED; + } + + if ((status & 0x01) == 0) { + goto out; + } + + /* check abort bit */ + if (status & 0x10) { + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, 0x01010000); + do_callback = 1; + goto out; + } + + /* Read result from hardware */ + count = in_be32(lpbfifo.regs + LPBFIFO_REG_BYTES_DONE_STATUS); + count &= 0x00ffffff; + + if (!dma && !write) { + /* copy the data out of the FIFO */ + reg = lpbfifo.regs + LPBFIFO_REG_FIFO_DATA; + data = req->data + req->pos; + for (i = 0; i < count; i += 4) + *data++ = in_be32(reg); + } + + /* Update transfer position and count */ + req->pos += count; + + /* Decide what to do next */ + if (req->size - req->pos) + mpc52xx_lpbfifo_kick(req); /* more work to do */ + else + do_callback = 1; + + out: + /* Clear the IRQ */ + out_8(lpbfifo.regs + LPBFIFO_REG_BYTES_DONE_STATUS, 0x01); + + if (dma && (status & 0x11)) { + /* + * Count the DMA as complete only when the FIFO completion + * status or abort bits are set. + * + * (status & 0x01) should always be the case except sometimes + * when using polled DMA. + * + * (status & 0x10) {transfer aborted}: This case needs more + * testing. + */ + bcom_retrieve_buffer(lpbfifo.bcom_cur_task, &status, NULL); + } + req->last_byte = ((u8 *)req->data)[req->size - 1]; + + /* When the do_callback flag is set; it means the transfer is finished + * so set the FIFO as idle */ + if (do_callback) + lpbfifo.req = NULL; + + if (irq != 0) /* don't increment on polled case */ + req->irq_count++; + + req->irq_ticks += get_tbl() - ts; + spin_unlock_irqrestore(&lpbfifo.lock, flags); + + /* Spinlock is released; it is now safe to call the callback */ + if (do_callback && req->callback) + req->callback(req); + + return IRQ_HANDLED; +} + +/** + * mpc52xx_lpbfifo_bcom_irq - IRQ handler for LPB FIFO Bestcomm task + * + * Only used when receiving data. + */ +static irqreturn_t mpc52xx_lpbfifo_bcom_irq(int irq, void *dev_id) +{ + struct mpc52xx_lpbfifo_request *req; + unsigned long flags; + u32 status; + u32 ts; + + spin_lock_irqsave(&lpbfifo.lock, flags); + ts = get_tbl(); + + req = lpbfifo.req; + if (!req || (req->flags & MPC52XX_LPBFIFO_FLAG_NO_DMA)) { + spin_unlock_irqrestore(&lpbfifo.lock, flags); + return IRQ_HANDLED; + } + + if (irq != 0) /* don't increment on polled case */ + req->irq_count++; + + if (!bcom_buffer_done(lpbfifo.bcom_cur_task)) { + spin_unlock_irqrestore(&lpbfifo.lock, flags); + + req->buffer_not_done_cnt++; + if ((req->buffer_not_done_cnt % 1000) == 0) + pr_err("transfer stalled\n"); + + return IRQ_HANDLED; + } + + bcom_retrieve_buffer(lpbfifo.bcom_cur_task, &status, NULL); + + req->last_byte = ((u8 *)req->data)[req->size - 1]; + + req->pos = status & 0x00ffffff; + + /* Mark the FIFO as idle */ + lpbfifo.req = NULL; + + /* Release the lock before calling out to the callback. */ + req->irq_ticks += get_tbl() - ts; + spin_unlock_irqrestore(&lpbfifo.lock, flags); + + if (req->callback) + req->callback(req); + + return IRQ_HANDLED; +} + +/** + * mpc52xx_lpbfifo_bcom_poll - Poll for DMA completion + */ +void mpc52xx_lpbfifo_poll(void) +{ + struct mpc52xx_lpbfifo_request *req = lpbfifo.req; + int dma = !(req->flags & MPC52XX_LPBFIFO_FLAG_NO_DMA); + int write = req->flags & MPC52XX_LPBFIFO_FLAG_WRITE; + + /* + * For more information, see comments on the "Fat Lady" + */ + if (dma && write) + mpc52xx_lpbfifo_irq(0, NULL); + else + mpc52xx_lpbfifo_bcom_irq(0, NULL); +} +EXPORT_SYMBOL(mpc52xx_lpbfifo_poll); + +/** + * mpc52xx_lpbfifo_submit - Submit an LPB FIFO transfer request. + * @req: Pointer to request structure + */ +int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req) +{ + unsigned long flags; + + if (!lpbfifo.regs) + return -ENODEV; + + spin_lock_irqsave(&lpbfifo.lock, flags); + + /* If the req pointer is already set, then a transfer is in progress */ + if (lpbfifo.req) { + spin_unlock_irqrestore(&lpbfifo.lock, flags); + return -EBUSY; + } + + /* Setup the transfer */ + lpbfifo.req = req; + req->irq_count = 0; + req->irq_ticks = 0; + req->buffer_not_done_cnt = 0; + req->pos = 0; + + mpc52xx_lpbfifo_kick(req); + spin_unlock_irqrestore(&lpbfifo.lock, flags); + return 0; +} +EXPORT_SYMBOL(mpc52xx_lpbfifo_submit); + +void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req) +{ + unsigned long flags; + + spin_lock_irqsave(&lpbfifo.lock, flags); + if (lpbfifo.req == req) { + /* Put it into reset and clear the state */ + bcom_gen_bd_rx_reset(lpbfifo.bcom_rx_task); + bcom_gen_bd_tx_reset(lpbfifo.bcom_tx_task); + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, 0x01010000); + lpbfifo.req = NULL; + } + spin_unlock_irqrestore(&lpbfifo.lock, flags); +} +EXPORT_SYMBOL(mpc52xx_lpbfifo_abort); + +static int __devinit +mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match) +{ + struct resource res; + int rc = -ENOMEM; + + if (lpbfifo.dev != NULL) + return -ENOSPC; + + lpbfifo.irq = irq_of_parse_and_map(op->node, 0); + if (!lpbfifo.irq) + return -ENODEV; + + if (of_address_to_resource(op->node, 0, &res)) + return -ENODEV; + lpbfifo.regs_phys = res.start; + lpbfifo.regs = of_iomap(op->node, 0); + if (!lpbfifo.regs) + return -ENOMEM; + + spin_lock_init(&lpbfifo.lock); + + /* Put FIFO into reset */ + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, 0x01010000); + + /* Register the interrupt handler */ + rc = request_irq(lpbfifo.irq, mpc52xx_lpbfifo_irq, 0, + "mpc52xx-lpbfifo", &lpbfifo); + if (rc) + goto err_irq; + + /* Request the Bestcomm receive (fifo --> memory) task and IRQ */ + lpbfifo.bcom_rx_task = + bcom_gen_bd_rx_init(2, res.start + LPBFIFO_REG_FIFO_DATA, + BCOM_INITIATOR_SCLPC, BCOM_IPR_SCLPC, + 16*1024*1024); + if (!lpbfifo.bcom_rx_task) + goto err_bcom_rx; + + rc = request_irq(bcom_get_task_irq(lpbfifo.bcom_rx_task), + mpc52xx_lpbfifo_bcom_irq, 0, + "mpc52xx-lpbfifo-rx", &lpbfifo); + if (rc) + goto err_bcom_rx_irq; + + /* Request the Bestcomm transmit (memory --> fifo) task and IRQ */ + lpbfifo.bcom_tx_task = + bcom_gen_bd_tx_init(2, res.start + LPBFIFO_REG_FIFO_DATA, + BCOM_INITIATOR_SCLPC, BCOM_IPR_SCLPC); + if (!lpbfifo.bcom_tx_task) + goto err_bcom_tx; + + lpbfifo.dev = &op->dev; + return 0; + + err_bcom_tx: + free_irq(bcom_get_task_irq(lpbfifo.bcom_rx_task), &lpbfifo); + err_bcom_rx_irq: + bcom_gen_bd_rx_release(lpbfifo.bcom_rx_task); + err_bcom_rx: + err_irq: + iounmap(lpbfifo.regs); + lpbfifo.regs = NULL; + + dev_err(&op->dev, "mpc52xx_lpbfifo_probe() failed\n"); + return -ENODEV; +} + + +static int __devexit mpc52xx_lpbfifo_remove(struct of_device *op) +{ + if (lpbfifo.dev != &op->dev) + return 0; + + /* Put FIFO in reset */ + out_be32(lpbfifo.regs + LPBFIFO_REG_ENABLE, 0x01010000); + + /* Release the bestcomm transmit task */ + free_irq(bcom_get_task_irq(lpbfifo.bcom_tx_task), &lpbfifo); + bcom_gen_bd_tx_release(lpbfifo.bcom_tx_task); + + /* Release the bestcomm receive task */ + free_irq(bcom_get_task_irq(lpbfifo.bcom_rx_task), &lpbfifo); + bcom_gen_bd_rx_release(lpbfifo.bcom_rx_task); + + free_irq(lpbfifo.irq, &lpbfifo); + iounmap(lpbfifo.regs); + lpbfifo.regs = NULL; + lpbfifo.dev = NULL; + + return 0; +} + +static struct of_device_id mpc52xx_lpbfifo_match[] __devinitconst = { + { .compatible = "fsl,mpc5200-lpbfifo", }, + {}, +}; + +static struct of_platform_driver mpc52xx_lpbfifo_driver = { + .owner = THIS_MODULE, + .name = "mpc52xx-lpbfifo", + .match_table = mpc52xx_lpbfifo_match, + .probe = mpc52xx_lpbfifo_probe, + .remove = __devexit_p(mpc52xx_lpbfifo_remove), +}; + +/*********************************************************************** + * Module init/exit + */ +static int __init mpc52xx_lpbfifo_init(void) +{ + pr_debug("Registering LocalPlus bus FIFO driver\n"); + return of_register_platform_driver(&mpc52xx_lpbfifo_driver); +} +module_init(mpc52xx_lpbfifo_init); + +static void __exit mpc52xx_lpbfifo_exit(void) +{ + pr_debug("Unregistering LocalPlus bus FIFO driver\n"); + of_unregister_platform_driver(&mpc52xx_lpbfifo_driver); +} +module_exit(mpc52xx_lpbfifo_exit); diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c index dd43114..da110bd 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c @@ -100,7 +100,7 @@ const struct of_device_id mpc52xx_pci_ids[] __initdata = { }; /* ======================================================================== */ -/* PCI configuration acess */ +/* PCI configuration access */ /* ======================================================================== */ static int diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index 480f806..4bf4bf7 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -220,7 +220,7 @@ static int mpc52xx_extirq_set_type(unsigned int virq, unsigned int flow_type) } static struct irq_chip mpc52xx_extirq_irqchip = { - .typename = "MPC52xx External", + .name = "MPC52xx External", .mask = mpc52xx_extirq_mask, .unmask = mpc52xx_extirq_unmask, .ack = mpc52xx_extirq_ack, @@ -258,7 +258,7 @@ static void mpc52xx_main_unmask(unsigned int virq) } static struct irq_chip mpc52xx_main_irqchip = { - .typename = "MPC52xx Main", + .name = "MPC52xx Main", .mask = mpc52xx_main_mask, .mask_ack = mpc52xx_main_mask, .unmask = mpc52xx_main_unmask, @@ -291,7 +291,7 @@ static void mpc52xx_periph_unmask(unsigned int virq) } static struct irq_chip mpc52xx_periph_irqchip = { - .typename = "MPC52xx Peripherals", + .name = "MPC52xx Peripherals", .mask = mpc52xx_periph_mask, .mask_ack = mpc52xx_periph_mask, .unmask = mpc52xx_periph_unmask, @@ -335,7 +335,7 @@ static void mpc52xx_sdma_ack(unsigned int virq) } static struct irq_chip mpc52xx_sdma_irqchip = { - .typename = "MPC52xx SDMA", + .name = "MPC52xx SDMA", .mask = mpc52xx_sdma_mask, .unmask = mpc52xx_sdma_unmask, .ack = mpc52xx_sdma_ack, @@ -355,7 +355,7 @@ static int mpc52xx_is_extirq(int l1, int l2) * mpc52xx_irqhost_xlate - translate virq# from device tree interrupts property */ static int mpc52xx_irqhost_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index 7ee979f..9d962d7 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -69,7 +69,6 @@ static void pq2ads_pci_unmask_irq(unsigned int virq) } static struct irq_chip pq2ads_pci_ic = { - .typename = "PQ2 ADS PCI", .name = "PQ2 ADS PCI", .end = pq2ads_pci_unmask_irq, .mask = pq2ads_pci_mask_irq, @@ -107,7 +106,7 @@ static void pq2ads_pci_irq_demux(unsigned int irq, struct irq_desc *desc) static int pci_pic_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hw) { - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_data(virq, h->host_data); set_irq_chip_and_handler(virq, &pq2ads_pci_ic, handle_level_irq); return 0; diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 567ded7..17f9974 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -74,7 +74,7 @@ static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk, prop = of_get_property(np, "mode", NULL); if (prop && !strcmp(prop, "cpu-qe")) - pdata.qe_mode = 1; + pdata.flags = SPI_QE_CPU_MODE; for (j = 0; j < num_board_infos; j++) { if (board_infos[j].bus_num == pdata.bus_num) diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index 08e65fc..d306f07 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c @@ -96,6 +96,7 @@ int fsl_deep_sleep(void) { return deep_sleeping; } +EXPORT_SYMBOL(fsl_deep_sleep); static int mpc83xx_change_state(void) { diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index d3a975e..d951218 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -1,6 +1,7 @@ -menuconfig MPC85xx - bool "Machine Type" - depends on PPC_85xx +menuconfig FSL_SOC_BOOKE + bool "Freescale Book-E Machine Type" + depends on PPC_85xx || PPC_BOOK3E + select FSL_SOC select PPC_UDBG_16550 select MPIC select PPC_PCI_CHOICE @@ -8,7 +9,7 @@ menuconfig MPC85xx select SERIAL_8250_SHARE_IRQ if SERIAL_8250 default y -if MPC85xx +if FSL_SOC_BOOKE config MPC8540_ADS bool "Freescale MPC8540 ADS" @@ -144,7 +145,19 @@ config SBC8560 help This option enables support for the Wind River SBC8560 board -endif # MPC85xx +config P4080_DS + bool "Freescale P4080 DS" + select DEFAULT_UIMAGE + select PPC_FSL_BOOK3E + select PPC_E500MC + select PHYS_64BIT + select SWIOTLB + select MPC8xxx_GPIO + select HAS_RAPIDIO + help + This option enables support for the P4080 DS board + +endif # FSL_SOC_BOOKE config TQM85xx bool diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index 9098aea..387c128 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o +obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o obj-$(CONFIG_STX_GP3) += stx_gp3.o obj-$(CONFIG_TQM85xx) += tqm85xx.o obj-$(CONFIG_SBC8560) += sbc8560.o diff --git a/arch/powerpc/platforms/85xx/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c new file mode 100644 index 0000000..534c2ec --- /dev/null +++ b/arch/powerpc/platforms/85xx/corenet_ds.c @@ -0,0 +1,125 @@ +/* + * Corenet based SoC DS Setup + * + * Maintained by Kumar Gala (see MAINTAINERS for contact information) + * + * Copyright 2009 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/lmb.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <linux/of_platform.h> +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +void __init corenet_ds_pic_init(void) +{ + struct mpic *mpic; + struct resource r; + struct device_node *np = NULL; + unsigned int flags = MPIC_PRIMARY | MPIC_BIG_ENDIAN | + MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU; + + np = of_find_node_by_type(np, "open-pic"); + + if (np == NULL) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } + + if (of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Failed to map mpic register space\n"); + of_node_put(np); + return; + } + + if (ppc_md.get_irq == mpic_get_coreint_irq) + flags |= MPIC_ENABLE_COREINT; + + mpic = mpic_alloc(np, r.start, flags, 0, 256, " OpenPIC "); + BUG_ON(mpic == NULL); + + mpic_init(mpic); +} + +#ifdef CONFIG_PCI +static int primary_phb_addr; +#endif + +/* + * Setup the architecture + */ +#ifdef CONFIG_SMP +void __init mpc85xx_smp_init(void); +#endif + +void __init corenet_ds_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; + struct pci_controller *hose; +#endif + dma_addr_t max = 0xffffffff; + +#ifdef CONFIG_SMP + mpc85xx_smp_init(); +#endif + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,p4080-pcie") { + struct resource rsrc; + of_address_to_resource(np, 0, &rsrc); + if ((rsrc.start & 0xfffff) == primary_phb_addr) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + + hose = pci_find_hose_for_OF_device(np); + max = min(max, hose->dma_window_base_cur + + hose->dma_window_size); + } +#endif + +#ifdef CONFIG_SWIOTLB + if (lmb_end_of_DRAM() > max) { + ppc_swiotlb_enable = 1; + set_pci_dma_ops(&swiotlb_dma_ops); + ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; + } +#endif + pr_info("%s board from Freescale Semiconductor\n", ppc_md.name); +} + +static const struct of_device_id of_device_ids[] __devinitconst = { + { + .compatible = "simple-bus" + }, + { + .compatible = "fsl,rapidio-delta", + }, + {} +}; + +int __init corenet_ds_publish_devices(void) +{ + return of_platform_bus_probe(NULL, of_device_ids, NULL); +} diff --git a/arch/powerpc/platforms/85xx/corenet_ds.h b/arch/powerpc/platforms/85xx/corenet_ds.h new file mode 100644 index 0000000..ddd700b --- /dev/null +++ b/arch/powerpc/platforms/85xx/corenet_ds.h @@ -0,0 +1,19 @@ +/* + * Corenet based SoC DS Setup + * + * Copyright 2009 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef CORENET_DS_H +#define CORENET_DS_H + +extern void __init corenet_ds_pic_init(void); +extern void __init corenet_ds_setup_arch(void); +extern int __init corenet_ds_publish_devices(void); + +#endif diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 3909d57..c5028a2 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -301,6 +301,7 @@ static struct of_device_id mpc85xx_ids[] = { { .compatible = "fsl,qe", }, { .compatible = "gianfar", }, { .compatible = "fsl,rapidio-delta", }, + { .compatible = "fsl,mpc8548-guts", }, {}, }; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index c8468de..088f30b 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -44,6 +44,7 @@ void __init mpc85xx_rdb_pic_init(void) struct mpic *mpic; struct resource r; struct device_node *np; + unsigned long root = of_get_flat_dt_root(); np = of_find_node_by_type(NULL, "open-pic"); if (np == NULL) { @@ -57,11 +58,18 @@ void __init mpc85xx_rdb_pic_init(void) return; } - mpic = mpic_alloc(np, r.start, + if (of_flat_dt_is_compatible(root, "fsl,85XXRDB-CAMP")) { + mpic = mpic_alloc(np, r.start, + MPIC_PRIMARY | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, + 0, 256, " OpenPIC "); + } else { + mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); + } BUG_ON(mpic == NULL); of_node_put(np); @@ -113,6 +121,7 @@ static int __init mpc85xxrdb_publish_devices(void) return of_platform_bus_probe(NULL, mpc85xxrdb_ids, NULL); } machine_device_initcall(p2020_rdb, mpc85xxrdb_publish_devices); +machine_device_initcall(p1020_rdb, mpc85xxrdb_publish_devices); /* * Called very early, device-tree isn't unflattened @@ -126,6 +135,15 @@ static int __init p2020_rdb_probe(void) return 0; } +static int __init p1020_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "fsl,P1020RDB")) + return 1; + return 0; +} + define_machine(p2020_rdb) { .name = "P2020 RDB", .probe = p2020_rdb_probe, @@ -139,3 +157,17 @@ define_machine(p2020_rdb) { .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, }; + +define_machine(p1020_rdb) { + .name = "P1020 RDB", + .probe = p1020_rdb_probe, + .setup_arch = mpc85xx_rdb_setup_arch, + .init_IRQ = mpc85xx_rdb_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/85xx/p4080_ds.c b/arch/powerpc/platforms/85xx/p4080_ds.c new file mode 100644 index 0000000..8417046 --- /dev/null +++ b/arch/powerpc/platforms/85xx/p4080_ds.c @@ -0,0 +1,74 @@ +/* + * P4080 DS Setup + * + * Maintained by Kumar Gala (see MAINTAINERS for contact information) + * + * Copyright 2009 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/delay.h> +#include <linux/interrupt.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <linux/of_platform.h> +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +#include "corenet_ds.h" + +#ifdef CONFIG_PCI +static int primary_phb_addr; +#endif + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init p4080_ds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "fsl,P4080DS")) { +#ifdef CONFIG_PCI + /* treat PCIe1 as primary, + * shouldn't matter as we have no ISA on the board + */ + primary_phb_addr = 0x0000; +#endif + return 1; + } else { + return 0; + } +} + +define_machine(p4080_ds) { + .name = "P4080 DS", + .probe = p4080_ds_probe, + .setup_arch = corenet_ds_setup_arch, + .init_IRQ = corenet_ds_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_coreint_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; + +machine_device_initcall(p4080_ds, corenet_ds_publish_devices); +machine_arch_initcall(p4080_ds, swiotlb_setup_bus_notifier); diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c index 60edf63..e5da5f6 100644 --- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c +++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c @@ -232,7 +232,7 @@ static int socrates_fpga_pic_set_type(unsigned int virq, } static struct irq_chip socrates_fpga_pic_chip = { - .typename = " FPGA-PIC ", + .name = " FPGA-PIC ", .ack = socrates_fpga_pic_ack, .mask = socrates_fpga_pic_mask, .mask_ack = socrates_fpga_pic_mask_ack, @@ -245,7 +245,7 @@ static int socrates_fpga_pic_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hwirq) { /* All interrupts are LEVEL sensitive */ - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &socrates_fpga_pic_chip, handle_fasteoi_irq); @@ -253,7 +253,7 @@ static int socrates_fpga_pic_host_map(struct irq_host *h, unsigned int virq, } static int socrates_fpga_pic_host_xlate(struct irq_host *h, - struct device_node *ct, u32 *intspec, unsigned int intsize, + struct device_node *ct, const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { struct socrates_fpga_irq_info *fpga_irq = &fpga_irqs[intspec[0]]; diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index 9c7b64a..2bbfd53 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -35,6 +35,7 @@ config MPC8610_HPCD config GEF_PPC9A bool "GE Fanuc PPC9A" select DEFAULT_UIMAGE + select MMIO_NVRAM select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help @@ -43,6 +44,7 @@ config GEF_PPC9A config GEF_SBC310 bool "GE Fanuc SBC310" select DEFAULT_UIMAGE + select MMIO_NVRAM select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help @@ -51,6 +53,7 @@ config GEF_SBC310 config GEF_SBC610 bool "GE Fanuc SBC610" select DEFAULT_UIMAGE + select MMIO_NVRAM select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB select HAS_RAPIDIO diff --git a/arch/powerpc/platforms/86xx/gef_pic.c b/arch/powerpc/platforms/86xx/gef_pic.c index 50d0a2b..0110a87 100644 --- a/arch/powerpc/platforms/86xx/gef_pic.c +++ b/arch/powerpc/platforms/86xx/gef_pic.c @@ -149,7 +149,7 @@ static void gef_pic_unmask(unsigned int virq) } static struct irq_chip gef_pic_chip = { - .typename = "gefp", + .name = "gefp", .mask = gef_pic_mask, .mask_ack = gef_pic_mask_ack, .unmask = gef_pic_unmask, @@ -163,14 +163,14 @@ static int gef_pic_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hwirq) { /* All interrupts are LEVEL sensitive */ - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &gef_pic_chip, handle_level_irq); return 0; } static int gef_pic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c index 287f7bd..a792e5d 100644 --- a/arch/powerpc/platforms/86xx/gef_ppc9a.c +++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c @@ -33,6 +33,7 @@ #include <asm/udbg.h> #include <asm/mpic.h> +#include <asm/nvram.h> #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h> @@ -95,6 +96,10 @@ static void __init gef_ppc9a_setup_arch(void) printk(KERN_WARNING "Unable to map board registers\n"); of_node_put(regs); } + +#if defined(CONFIG_MMIO_NVRAM) + mmio_nvram_init(); +#endif } /* Return the PCB revision */ diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c index 90754e7..6a1a613 100644 --- a/arch/powerpc/platforms/86xx/gef_sbc310.c +++ b/arch/powerpc/platforms/86xx/gef_sbc310.c @@ -33,6 +33,7 @@ #include <asm/udbg.h> #include <asm/mpic.h> +#include <asm/nvram.h> #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h> @@ -95,6 +96,10 @@ static void __init gef_sbc310_setup_arch(void) printk(KERN_WARNING "Unable to map board registers\n"); of_node_put(regs); } + +#if defined(CONFIG_MMIO_NVRAM) + mmio_nvram_init(); +#endif } /* Return the PCB revision */ diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c index 72b31a6..e10688a 100644 --- a/arch/powerpc/platforms/86xx/gef_sbc610.c +++ b/arch/powerpc/platforms/86xx/gef_sbc610.c @@ -33,6 +33,7 @@ #include <asm/udbg.h> #include <asm/mpic.h> +#include <asm/nvram.h> #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h> @@ -95,6 +96,10 @@ static void __init gef_sbc610_setup_arch(void) printk(KERN_WARNING "Unable to map board registers\n"); of_node_put(regs); } + +#if defined(CONFIG_MMIO_NVRAM) + mmio_nvram_init(); +#endif } /* Return the PCB revision */ diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index 627908a..5abe137 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -19,6 +19,7 @@ #include <linux/stddef.h> #include <linux/kernel.h> #include <linux/pci.h> +#include <linux/interrupt.h> #include <linux/kdev_t.h> #include <linux/delay.h> #include <linux/seq_file.h> @@ -41,10 +42,46 @@ #include "mpc86xx.h" +static struct device_node *pixis_node; static unsigned char *pixis_bdcfg0, *pixis_arch; +#ifdef CONFIG_SUSPEND +static irqreturn_t mpc8610_sw9_irq(int irq, void *data) +{ + pr_debug("%s: PIXIS' event (sw9/wakeup) IRQ handled\n", __func__); + return IRQ_HANDLED; +} + +static void __init mpc8610_suspend_init(void) +{ + int irq; + int ret; + + if (!pixis_node) + return; + + irq = irq_of_parse_and_map(pixis_node, 0); + if (!irq) { + pr_err("%s: can't map pixis event IRQ.\n", __func__); + return; + } + + ret = request_irq(irq, mpc8610_sw9_irq, 0, "sw9/wakeup", NULL); + if (ret) { + pr_err("%s: can't request pixis event IRQ: %d\n", + __func__, ret); + irq_dispose_mapping(irq); + } + + enable_irq_wake(irq); +} +#else +static inline void mpc8610_suspend_init(void) { } +#endif /* CONFIG_SUSPEND */ + static struct of_device_id __initdata mpc8610_ids[] = { { .compatible = "fsl,mpc8610-immr", }, + { .compatible = "fsl,mpc8610-guts", }, { .compatible = "simple-bus", }, { .compatible = "gianfar", }, {} @@ -55,6 +92,9 @@ static int __init mpc8610_declare_of_platform_devices(void) /* Firstly, register PIXIS GPIOs. */ simple_gpiochip_init("fsl,fpga-pixis-gpio-bank"); + /* Enable wakeup on PIXIS' event IRQ. */ + mpc8610_suspend_init(); + /* Without this call, the SSI device driver won't get probed. */ of_platform_bus_probe(NULL, mpc8610_ids, NULL); @@ -250,10 +290,10 @@ static void __init mpc86xx_hpcd_setup_arch(void) diu_ops.set_sysfs_monitor_port = mpc8610hpcd_set_sysfs_monitor_port; #endif - np = of_find_compatible_node(NULL, NULL, "fsl,fpga-pixis"); - if (np) { - of_address_to_resource(np, 0, &r); - of_node_put(np); + pixis_node = of_find_compatible_node(NULL, NULL, "fsl,fpga-pixis"); + if (pixis_node) { + of_address_to_resource(pixis_node, 0, &r); + of_node_put(pixis_node); pixis = ioremap(r.start, 32); if (!pixis) { printk(KERN_ERR "Err: can't map FPGA cfg register!\n"); diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index 385acfc..242954c 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -222,7 +222,7 @@ static void cpm_cascade(unsigned int irq, struct irq_desc *desc) int cascade_irq; if ((cascade_irq = cpm_get_irq()) >= 0) { - struct irq_desc *cdesc = irq_desc + cascade_irq; + struct irq_desc *cdesc = irq_to_desc(cascade_irq); generic_handle_irq(cascade_irq); cdesc->chip->eoi(cascade_irq); diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 04a8061..d1663db 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -86,6 +86,11 @@ config RTAS_ERROR_LOGGING depends on PPC_RTAS default n +config PPC_RTAS_DAEMON + bool + depends on PPC_RTAS + default n + config RTAS_PROC bool "Proc interface to RTAS" depends on PPC_RTAS @@ -255,7 +260,7 @@ config QE_GPIO config CPM2 bool "Enable support for the CPM2 (Communications Processor Module)" - depends on MPC85xx || 8260 + depends on (FSL_SOC_BOOKE && PPC32) || 8260 select CPM select PPC_LIB_RHEAP select PPC_PCI_CHOICE @@ -300,7 +305,7 @@ source "arch/powerpc/sysdev/bestcomm/Kconfig" config MPC8xxx_GPIO bool "MPC8xxx GPIO support" - depends on PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || PPC_85xx || PPC_86xx + depends on PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || FSL_SOC_BOOKE || PPC_86xx select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index e382cae..fa0f690 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -28,8 +28,6 @@ config PPC_BOOK3S_32 config PPC_85xx bool "Freescale 85xx" select E500 - select FSL_SOC - select MPC85xx config PPC_8xx bool "Freescale 8xx" @@ -138,6 +136,14 @@ config PPC_FPU bool default y if PPC64 +config FSL_EMB_PERFMON + bool "Freescale Embedded Perfmon" + depends on E500 || PPC_83xx + help + This is the Performance Monitor support found on the e500 core + and some e300 cores (c3 and c4). Select this only if your + core supports the Embedded Performance Monitor APU + config 4xx bool depends on 40x || 44x @@ -153,13 +159,6 @@ config FSL_BOOKE depends on E200 || E500 default y -config FSL_EMB_PERFMON - bool "Freescale Embedded Perfmon" - depends on E500 || PPC_83xx - help - This is the Performance Monitor support found on the e500 core - and some e300 cores (c3 and c4). Select this only if your - core supports the Embedded Performance Monitor APU config PTE_64BIT bool @@ -312,7 +311,7 @@ config NR_CPUS config NOT_COHERENT_CACHE bool - depends on 4xx || 8xx || E200 || PPC_MPC512x + depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON default y config CHECK_CACHE_COHERENCY diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index a6812ee..fdb9f0b 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -12,7 +12,7 @@ obj-$(CONFIG_PPC_MPC52xx) += 52xx/ obj-$(CONFIG_PPC_8xx) += 8xx/ obj-$(CONFIG_PPC_82xx) += 82xx/ obj-$(CONFIG_PPC_83xx) += 83xx/ -obj-$(CONFIG_PPC_85xx) += 85xx/ +obj-$(CONFIG_FSL_SOC_BOOKE) += 85xx/ obj-$(CONFIG_PPC_86xx) += 86xx/ obj-$(CONFIG_PPC_PSERIES) += pseries/ obj-$(CONFIG_PPC_ISERIES) += iseries/ diff --git a/arch/powerpc/platforms/amigaone/setup.c b/arch/powerpc/platforms/amigaone/setup.c index 9290a7a..fb4eb0d 100644 --- a/arch/powerpc/platforms/amigaone/setup.c +++ b/arch/powerpc/platforms/amigaone/setup.c @@ -14,7 +14,7 @@ #include <linux/kernel.h> #include <linux/seq_file.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <asm/machdep.h> #include <asm/cputable.h> diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index a86c34b..96fe896 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -312,7 +312,7 @@ static struct irq_chip msic_irq_chip = { .mask = mask_msi_irq, .unmask = unmask_msi_irq, .shutdown = unmask_msi_irq, - .typename = "AXON-MSI", + .name = "AXON-MSI", }; static int msic_host_map(struct irq_host *h, unsigned int virq, diff --git a/arch/powerpc/platforms/cell/beat_interrupt.c b/arch/powerpc/platforms/cell/beat_interrupt.c index 7225484..36052a9 100644 --- a/arch/powerpc/platforms/cell/beat_interrupt.c +++ b/arch/powerpc/platforms/cell/beat_interrupt.c @@ -110,7 +110,7 @@ static void beatic_end_irq(unsigned int irq_plug) } static struct irq_chip beatic_pic = { - .typename = " CELL-BEAT ", + .name = " CELL-BEAT ", .unmask = beatic_unmask_irq, .mask = beatic_mask_irq, .eoi = beatic_end_irq, @@ -136,7 +136,7 @@ static void beatic_pic_host_unmap(struct irq_host *h, unsigned int virq) static int beatic_pic_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hw) { - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); int64_t err; err = beat_construct_and_connect_irq_plug(virq, hw); @@ -166,11 +166,11 @@ static void beatic_pic_host_remap(struct irq_host *h, unsigned int virq, * Note: We have only 1 entry to translate. */ static int beatic_pic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { - u64 *intspec2 = (u64 *)intspec; + const u64 *intspec2 = (const u64 *)intspec; *out_hwirq = *intspec2; *out_flags |= IRQ_TYPE_LEVEL_LOW; diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 882e470..6829cf7 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -54,7 +54,7 @@ struct iic { struct device_node *node; }; -static DEFINE_PER_CPU(struct iic, iic); +static DEFINE_PER_CPU(struct iic, cpu_iic); #define IIC_NODE_COUNT 2 static struct irq_host *iic_host; @@ -82,13 +82,13 @@ static void iic_unmask(unsigned int irq) static void iic_eoi(unsigned int irq) { - struct iic *iic = &__get_cpu_var(iic); + struct iic *iic = &__get_cpu_var(cpu_iic); out_be64(&iic->regs->prio, iic->eoi_stack[--iic->eoi_ptr]); BUG_ON(iic->eoi_ptr < 0); } static struct irq_chip iic_chip = { - .typename = " CELL-IIC ", + .name = " CELL-IIC ", .mask = iic_mask, .unmask = iic_unmask, .eoi = iic_eoi, @@ -133,7 +133,7 @@ static void iic_ioexc_cascade(unsigned int irq, struct irq_desc *desc) static struct irq_chip iic_ioexc_chip = { - .typename = " CELL-IOEX", + .name = " CELL-IOEX", .mask = iic_mask, .unmask = iic_unmask, .eoi = iic_ioexc_eoi, @@ -146,7 +146,7 @@ static unsigned int iic_get_irq(void) struct iic *iic; unsigned int virq; - iic = &__get_cpu_var(iic); + iic = &__get_cpu_var(cpu_iic); *(unsigned long *) &pending = in_be64((u64 __iomem *) &iic->regs->pending_destr); if (!(pending.flags & CBE_IIC_IRQ_VALID)) @@ -161,12 +161,12 @@ static unsigned int iic_get_irq(void) void iic_setup_cpu(void) { - out_be64(&__get_cpu_var(iic).regs->prio, 0xff); + out_be64(&__get_cpu_var(cpu_iic).regs->prio, 0xff); } u8 iic_get_target_id(int cpu) { - return per_cpu(iic, cpu).target_id; + return per_cpu(cpu_iic, cpu).target_id; } EXPORT_SYMBOL_GPL(iic_get_target_id); @@ -181,7 +181,7 @@ static inline int iic_ipi_to_irq(int ipi) void iic_cause_IPI(int cpu, int mesg) { - out_be64(&per_cpu(iic, cpu).regs->generate, (0xf - mesg) << 4); + out_be64(&per_cpu(cpu_iic, cpu).regs->generate, (0xf - mesg) << 4); } struct irq_host *iic_get_irq_host(int node) @@ -237,7 +237,7 @@ extern int noirqdebug; static void handle_iic_irq(unsigned int irq, struct irq_desc *desc) { - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); @@ -265,18 +265,18 @@ static void handle_iic_irq(unsigned int irq, struct irq_desc *desc) goto out_eoi; desc->status &= ~IRQ_PENDING; - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); action_ret = handle_IRQ_event(irq, action); if (!noirqdebug) note_interrupt(irq, desc, action_ret); - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); } while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING); desc->status &= ~IRQ_INPROGRESS; out_eoi: desc->chip->eoi(irq); - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); } static int iic_host_map(struct irq_host *h, unsigned int virq, @@ -297,7 +297,7 @@ static int iic_host_map(struct irq_host *h, unsigned int virq, } static int iic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { @@ -348,7 +348,7 @@ static void __init init_one_iic(unsigned int hw_cpu, unsigned long addr, /* XXX FIXME: should locate the linux CPU number from the HW cpu * number properly. We are lucky for now */ - struct iic *iic = &per_cpu(iic, hw_cpu); + struct iic *iic = &per_cpu(cpu_iic, hw_cpu); iic->regs = ioremap(addr, sizeof(struct cbe_iic_thread_regs)); BUG_ON(iic->regs == NULL); diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index 4e56556..01244f2 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -102,7 +102,7 @@ static void spider_ack_irq(unsigned int virq) /* Reset edge detection logic if necessary */ - if (get_irq_desc(virq)->status & IRQ_LEVEL) + if (irq_to_desc(virq)->status & IRQ_LEVEL) return; /* Only interrupts 47 to 50 can be set to edge */ @@ -119,7 +119,7 @@ static int spider_set_irq_type(unsigned int virq, unsigned int type) struct spider_pic *pic = spider_virq_to_pic(virq); unsigned int hw = irq_map[virq].hwirq; void __iomem *cfg = spider_get_irq_config(pic, hw); - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); u32 old_mask; u32 ic; @@ -168,7 +168,7 @@ static int spider_set_irq_type(unsigned int virq, unsigned int type) } static struct irq_chip spider_pic = { - .typename = " SPIDER ", + .name = " SPIDER ", .unmask = spider_unmask_irq, .mask = spider_mask_irq, .ack = spider_ack_irq, @@ -187,7 +187,7 @@ static int spider_host_map(struct irq_host *h, unsigned int virq, } static int spider_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index b93f877..b9d5d67 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile @@ -13,10 +13,8 @@ SPU_CC := $(SPU_CROSS)gcc SPU_AS := $(SPU_CROSS)gcc SPU_LD := $(SPU_CROSS)ld SPU_OBJCOPY := $(SPU_CROSS)objcopy -SPU_CFLAGS := -O2 -Wall -I$(srctree)/include \ - -I$(objtree)/include2 -D__KERNEL__ -SPU_AFLAGS := -c -D__ASSEMBLY__ -I$(srctree)/include \ - -I$(objtree)/include2 -D__KERNEL__ +SPU_CFLAGS := -O2 -Wall -I$(srctree)/include -D__KERNEL__ +SPU_AFLAGS := -c -D__ASSEMBLY__ -I$(srctree)/include -D__KERNEL__ SPU_LDFLAGS := -N -Ttext=0x0 $(obj)/switch.o: $(obj)/spu_save_dump.h $(obj)/spu_restore_dump.h diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 884e8bc..64a4c2d 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -2494,7 +2494,7 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf, struct spu_context *ctx = SPUFS_I(inode)->i_ctx; int error = 0, cnt = 0; - if (!buf || len < 0) + if (!buf) return -EINVAL; error = spu_acquire(ctx); diff --git a/arch/powerpc/platforms/chrp/Kconfig b/arch/powerpc/platforms/chrp/Kconfig index 37d438b..bc0b0ef 100644 --- a/arch/powerpc/platforms/chrp/Kconfig +++ b/arch/powerpc/platforms/chrp/Kconfig @@ -5,6 +5,8 @@ config PPC_CHRP select PPC_I8259 select PPC_INDIRECT_PCI select PPC_RTAS + select PPC_RTAS_DAEMON + select RTAS_ERROR_LOGGING select PPC_MPC106 select PPC_UDBG_16550 select PPC_NATIVE diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index cd4ad9a..8f41685 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -23,7 +23,7 @@ #include <linux/reboot.h> #include <linux/init.h> #include <linux/pci.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/adb.h> #include <linux/module.h> #include <linux/delay.h> @@ -364,19 +364,6 @@ void __init chrp_setup_arch(void) if (ppc_md.progress) ppc_md.progress("Linux/PPC "UTS_RELEASE"\n", 0x0); } -void -chrp_event_scan(unsigned long unused) -{ - unsigned char log[1024]; - int ret = 0; - - /* XXX: we should loop until the hardware says no more error logs -- Cort */ - rtas_call(rtas_token("event-scan"), 4, 1, &ret, 0xffffffff, 0, - __pa(log), 1024); - mod_timer(&__get_cpu_var(heartbeat_timer), - jiffies + event_scan_interval); -} - static void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc) { unsigned int cascade_irq = i8259_irq(); @@ -568,9 +555,6 @@ void __init chrp_init_IRQ(void) void __init chrp_init2(void) { - struct device_node *device; - const unsigned int *p = NULL; - #ifdef CONFIG_NVRAM chrp_nvram_init(); #endif @@ -582,40 +566,6 @@ chrp_init2(void) request_region(0x80,0x10,"dma page reg"); request_region(0xc0,0x20,"dma2"); - /* Get the event scan rate for the rtas so we know how - * often it expects a heartbeat. -- Cort - */ - device = of_find_node_by_name(NULL, "rtas"); - if (device) - p = of_get_property(device, "rtas-event-scan-rate", NULL); - if (p && *p) { - /* - * Arrange to call chrp_event_scan at least *p times - * per minute. We use 59 rather than 60 here so that - * the rate will be slightly higher than the minimum. - * This all assumes we don't do hotplug CPU on any - * machine that needs the event scans done. - */ - unsigned long interval, offset; - int cpu, ncpus; - struct timer_list *timer; - - interval = HZ * 59 / *p; - offset = HZ; - ncpus = num_online_cpus(); - event_scan_interval = ncpus * interval; - for (cpu = 0; cpu < ncpus; ++cpu) { - timer = &per_cpu(heartbeat_timer, cpu); - setup_timer(timer, chrp_event_scan, 0); - timer->expires = jiffies + offset; - add_timer_on(timer, cpu); - offset += interval; - } - printk("RTAS Event Scan Rate: %u (%lu jiffies)\n", - *p, interval); - } - of_node_put(device); - if (ppc_md.progress) ppc_md.progress(" Have fun! ", 0x7777); } diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 291ac9d..524d971 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -90,3 +90,36 @@ config MPC10X_OPENPIC config MPC10X_STORE_GATHERING bool "Enable MPC10x store gathering" depends on MPC10X_BRIDGE + +config GAMECUBE_COMMON + bool + +config USBGECKO_UDBG + bool "USB Gecko udbg console for the Nintendo GameCube/Wii" + depends on GAMECUBE_COMMON + help + If you say yes to this option, support will be included for the + USB Gecko adapter as an udbg console. + The USB Gecko is a EXI to USB Serial converter that can be plugged + into a memcard slot in the Nintendo GameCube/Wii. + + This driver bypasses the EXI layer completely. + + If in doubt, say N here. + +config GAMECUBE + bool "Nintendo-GameCube" + depends on EMBEDDED6xx + select GAMECUBE_COMMON + help + Select GAMECUBE if configuring for the Nintendo GameCube. + More information at: <http://gc-linux.sourceforge.net/> + +config WII + bool "Nintendo-Wii" + depends on EMBEDDED6xx + select GAMECUBE_COMMON + help + Select WII if configuring for the Nintendo Wii. + More information at: <http://gc-linux.sourceforge.net/> + diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile index 0773c08..66c23e4 100644 --- a/arch/powerpc/platforms/embedded6xx/Makefile +++ b/arch/powerpc/platforms/embedded6xx/Makefile @@ -7,3 +7,7 @@ obj-$(CONFIG_STORCENTER) += storcenter.o obj-$(CONFIG_PPC_HOLLY) += holly.o obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o obj-$(CONFIG_PPC_C2K) += c2k.o +obj-$(CONFIG_USBGECKO_UDBG) += usbgecko_udbg.o +obj-$(CONFIG_GAMECUBE_COMMON) += flipper-pic.o +obj-$(CONFIG_GAMECUBE) += gamecube.o +obj-$(CONFIG_WII) += wii.o hlwd-pic.o diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c new file mode 100644 index 0000000..d596328 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c @@ -0,0 +1,263 @@ +/* + * arch/powerpc/platforms/embedded6xx/flipper-pic.c + * + * Nintendo GameCube/Wii "Flipper" interrupt controller support. + * Copyright (C) 2004-2009 The GameCube Linux Team + * Copyright (C) 2007,2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ +#define DRV_MODULE_NAME "flipper-pic" +#define pr_fmt(fmt) DRV_MODULE_NAME ": " fmt + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/of.h> +#include <asm/io.h> + +#include "flipper-pic.h" + +#define FLIPPER_NR_IRQS 32 + +/* + * Each interrupt has a corresponding bit in both + * the Interrupt Cause (ICR) and Interrupt Mask (IMR) registers. + * + * Enabling/disabling an interrupt line involves setting/clearing + * the corresponding bit in IMR. + * Except for the RSW interrupt, all interrupts get deasserted automatically + * when the source deasserts the interrupt. + */ +#define FLIPPER_ICR 0x00 +#define FLIPPER_ICR_RSS (1<<16) /* reset switch state */ + +#define FLIPPER_IMR 0x04 + +#define FLIPPER_RESET 0x24 + + +/* + * IRQ chip hooks. + * + */ + +static void flipper_pic_mask_and_ack(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + u32 mask = 1 << irq; + + clrbits32(io_base + FLIPPER_IMR, mask); + /* this is at least needed for RSW */ + out_be32(io_base + FLIPPER_ICR, mask); +} + +static void flipper_pic_ack(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + + /* this is at least needed for RSW */ + out_be32(io_base + FLIPPER_ICR, 1 << irq); +} + +static void flipper_pic_mask(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + + clrbits32(io_base + FLIPPER_IMR, 1 << irq); +} + +static void flipper_pic_unmask(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + + setbits32(io_base + FLIPPER_IMR, 1 << irq); +} + + +static struct irq_chip flipper_pic = { + .name = "flipper-pic", + .ack = flipper_pic_ack, + .mask_ack = flipper_pic_mask_and_ack, + .mask = flipper_pic_mask, + .unmask = flipper_pic_unmask, +}; + +/* + * IRQ host hooks. + * + */ + +static struct irq_host *flipper_irq_host; + +static int flipper_pic_map(struct irq_host *h, unsigned int virq, + irq_hw_number_t hwirq) +{ + set_irq_chip_data(virq, h->host_data); + get_irq_desc(virq)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(virq, &flipper_pic, handle_level_irq); + return 0; +} + +static void flipper_pic_unmap(struct irq_host *h, unsigned int irq) +{ + set_irq_chip_data(irq, NULL); + set_irq_chip(irq, NULL); +} + +static int flipper_pic_match(struct irq_host *h, struct device_node *np) +{ + return 1; +} + + +static struct irq_host_ops flipper_irq_host_ops = { + .map = flipper_pic_map, + .unmap = flipper_pic_unmap, + .match = flipper_pic_match, +}; + +/* + * Platform hooks. + * + */ + +static void __flipper_quiesce(void __iomem *io_base) +{ + /* mask and ack all IRQs */ + out_be32(io_base + FLIPPER_IMR, 0x00000000); + out_be32(io_base + FLIPPER_ICR, 0xffffffff); +} + +struct irq_host * __init flipper_pic_init(struct device_node *np) +{ + struct device_node *pi; + struct irq_host *irq_host = NULL; + struct resource res; + void __iomem *io_base; + int retval; + + pi = of_get_parent(np); + if (!pi) { + pr_err("no parent found\n"); + goto out; + } + if (!of_device_is_compatible(pi, "nintendo,flipper-pi")) { + pr_err("unexpected parent compatible\n"); + goto out; + } + + retval = of_address_to_resource(pi, 0, &res); + if (retval) { + pr_err("no io memory range found\n"); + goto out; + } + io_base = ioremap(res.start, resource_size(&res)); + + pr_info("controller at 0x%08x mapped to 0x%p\n", res.start, io_base); + + __flipper_quiesce(io_base); + + irq_host = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, FLIPPER_NR_IRQS, + &flipper_irq_host_ops, -1); + if (!irq_host) { + pr_err("failed to allocate irq_host\n"); + return NULL; + } + + irq_host->host_data = io_base; + +out: + return irq_host; +} + +unsigned int flipper_pic_get_irq(void) +{ + void __iomem *io_base = flipper_irq_host->host_data; + int irq; + u32 irq_status; + + irq_status = in_be32(io_base + FLIPPER_ICR) & + in_be32(io_base + FLIPPER_IMR); + if (irq_status == 0) + return NO_IRQ; /* no more IRQs pending */ + + irq = __ffs(irq_status); + return irq_linear_revmap(flipper_irq_host, irq); +} + +/* + * Probe function. + * + */ + +void __init flipper_pic_probe(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "nintendo,flipper-pic"); + BUG_ON(!np); + + flipper_irq_host = flipper_pic_init(np); + BUG_ON(!flipper_irq_host); + + irq_set_default_host(flipper_irq_host); + + of_node_put(np); +} + +/* + * Misc functions related to the flipper chipset. + * + */ + +/** + * flipper_quiesce() - quiesce flipper irq controller + * + * Mask and ack all interrupt sources. + * + */ +void flipper_quiesce(void) +{ + void __iomem *io_base = flipper_irq_host->host_data; + + __flipper_quiesce(io_base); +} + +/* + * Resets the platform. + */ +void flipper_platform_reset(void) +{ + void __iomem *io_base; + + if (flipper_irq_host && flipper_irq_host->host_data) { + io_base = flipper_irq_host->host_data; + out_8(io_base + FLIPPER_RESET, 0x00); + } +} + +/* + * Returns non-zero if the reset button is pressed. + */ +int flipper_is_reset_button_pressed(void) +{ + void __iomem *io_base; + u32 icr; + + if (flipper_irq_host && flipper_irq_host->host_data) { + io_base = flipper_irq_host->host_data; + icr = in_be32(io_base + FLIPPER_ICR); + return !(icr & FLIPPER_ICR_RSS); + } + return 0; +} + diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.h b/arch/powerpc/platforms/embedded6xx/flipper-pic.h new file mode 100644 index 0000000..e339186 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.h @@ -0,0 +1,25 @@ +/* + * arch/powerpc/platforms/embedded6xx/flipper-pic.h + * + * Nintendo GameCube/Wii "Flipper" interrupt controller support. + * Copyright (C) 2004-2009 The GameCube Linux Team + * Copyright (C) 2007,2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#ifndef __FLIPPER_PIC_H +#define __FLIPPER_PIC_H + +unsigned int flipper_pic_get_irq(void); +void __init flipper_pic_probe(void); + +void flipper_quiesce(void); +void flipper_platform_reset(void); +int flipper_is_reset_button_pressed(void); + +#endif diff --git a/arch/powerpc/platforms/embedded6xx/gamecube.c b/arch/powerpc/platforms/embedded6xx/gamecube.c new file mode 100644 index 0000000..1106fd9 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/gamecube.c @@ -0,0 +1,118 @@ +/* + * arch/powerpc/platforms/embedded6xx/gamecube.c + * + * Nintendo GameCube board-specific support + * Copyright (C) 2004-2009 The GameCube Linux Team + * Copyright (C) 2007,2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/kexec.h> +#include <linux/seq_file.h> +#include <linux/of_platform.h> + +#include <asm/io.h> +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/time.h> +#include <asm/udbg.h> + +#include "flipper-pic.h" +#include "usbgecko_udbg.h" + + +static void gamecube_spin(void) +{ + /* spin until power button pressed */ + for (;;) + cpu_relax(); +} + +static void gamecube_restart(char *cmd) +{ + local_irq_disable(); + flipper_platform_reset(); + gamecube_spin(); +} + +static void gamecube_power_off(void) +{ + local_irq_disable(); + gamecube_spin(); +} + +static void gamecube_halt(void) +{ + gamecube_restart(NULL); +} + +static void __init gamecube_init_early(void) +{ + ug_udbg_init(); +} + +static int __init gamecube_probe(void) +{ + unsigned long dt_root; + + dt_root = of_get_flat_dt_root(); + if (!of_flat_dt_is_compatible(dt_root, "nintendo,gamecube")) + return 0; + + return 1; +} + +static void gamecube_shutdown(void) +{ + flipper_quiesce(); +} + +#ifdef CONFIG_KEXEC +static int gamecube_kexec_prepare(struct kimage *image) +{ + return 0; +} +#endif /* CONFIG_KEXEC */ + + +define_machine(gamecube) { + .name = "gamecube", + .probe = gamecube_probe, + .init_early = gamecube_init_early, + .restart = gamecube_restart, + .power_off = gamecube_power_off, + .halt = gamecube_halt, + .init_IRQ = flipper_pic_probe, + .get_irq = flipper_pic_get_irq, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, + .machine_shutdown = gamecube_shutdown, +#ifdef CONFIG_KEXEC + .machine_kexec_prepare = gamecube_kexec_prepare, +#endif +}; + + +static struct of_device_id gamecube_of_bus[] = { + { .compatible = "nintendo,flipper", }, + { }, +}; + +static int __init gamecube_device_probe(void) +{ + if (!machine_is(gamecube)) + return 0; + + of_platform_bus_probe(NULL, gamecube_of_bus, NULL); + return 0; +} +device_initcall(gamecube_device_probe); + diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c new file mode 100644 index 0000000..dd20bff --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -0,0 +1,241 @@ +/* + * arch/powerpc/platforms/embedded6xx/hlwd-pic.c + * + * Nintendo Wii "Hollywood" interrupt controller support. + * Copyright (C) 2009 The GameCube Linux Team + * Copyright (C) 2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ +#define DRV_MODULE_NAME "hlwd-pic" +#define pr_fmt(fmt) DRV_MODULE_NAME ": " fmt + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/of.h> +#include <asm/io.h> + +#include "hlwd-pic.h" + +#define HLWD_NR_IRQS 32 + +/* + * Each interrupt has a corresponding bit in both + * the Interrupt Cause (ICR) and Interrupt Mask (IMR) registers. + * + * Enabling/disabling an interrupt line involves asserting/clearing + * the corresponding bit in IMR. ACK'ing a request simply involves + * asserting the corresponding bit in ICR. + */ +#define HW_BROADWAY_ICR 0x00 +#define HW_BROADWAY_IMR 0x04 + + +/* + * IRQ chip hooks. + * + */ + +static void hlwd_pic_mask_and_ack(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + u32 mask = 1 << irq; + + clrbits32(io_base + HW_BROADWAY_IMR, mask); + out_be32(io_base + HW_BROADWAY_ICR, mask); +} + +static void hlwd_pic_ack(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + + out_be32(io_base + HW_BROADWAY_ICR, 1 << irq); +} + +static void hlwd_pic_mask(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + + clrbits32(io_base + HW_BROADWAY_IMR, 1 << irq); +} + +static void hlwd_pic_unmask(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void __iomem *io_base = get_irq_chip_data(virq); + + setbits32(io_base + HW_BROADWAY_IMR, 1 << irq); +} + + +static struct irq_chip hlwd_pic = { + .name = "hlwd-pic", + .ack = hlwd_pic_ack, + .mask_ack = hlwd_pic_mask_and_ack, + .mask = hlwd_pic_mask, + .unmask = hlwd_pic_unmask, +}; + +/* + * IRQ host hooks. + * + */ + +static struct irq_host *hlwd_irq_host; + +static int hlwd_pic_map(struct irq_host *h, unsigned int virq, + irq_hw_number_t hwirq) +{ + set_irq_chip_data(virq, h->host_data); + get_irq_desc(virq)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(virq, &hlwd_pic, handle_level_irq); + return 0; +} + +static void hlwd_pic_unmap(struct irq_host *h, unsigned int irq) +{ + set_irq_chip_data(irq, NULL); + set_irq_chip(irq, NULL); +} + +static struct irq_host_ops hlwd_irq_host_ops = { + .map = hlwd_pic_map, + .unmap = hlwd_pic_unmap, +}; + +static unsigned int __hlwd_pic_get_irq(struct irq_host *h) +{ + void __iomem *io_base = h->host_data; + int irq; + u32 irq_status; + + irq_status = in_be32(io_base + HW_BROADWAY_ICR) & + in_be32(io_base + HW_BROADWAY_IMR); + if (irq_status == 0) + return NO_IRQ; /* no more IRQs pending */ + + irq = __ffs(irq_status); + return irq_linear_revmap(h, irq); +} + +static void hlwd_pic_irq_cascade(unsigned int cascade_virq, + struct irq_desc *desc) +{ + struct irq_host *irq_host = get_irq_data(cascade_virq); + unsigned int virq; + + spin_lock(&desc->lock); + desc->chip->mask(cascade_virq); /* IRQ_LEVEL */ + spin_unlock(&desc->lock); + + virq = __hlwd_pic_get_irq(irq_host); + if (virq != NO_IRQ) + generic_handle_irq(virq); + else + pr_err("spurious interrupt!\n"); + + spin_lock(&desc->lock); + desc->chip->ack(cascade_virq); /* IRQ_LEVEL */ + if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask) + desc->chip->unmask(cascade_virq); + spin_unlock(&desc->lock); +} + +/* + * Platform hooks. + * + */ + +static void __hlwd_quiesce(void __iomem *io_base) +{ + /* mask and ack all IRQs */ + out_be32(io_base + HW_BROADWAY_IMR, 0); + out_be32(io_base + HW_BROADWAY_ICR, 0xffffffff); +} + +struct irq_host *hlwd_pic_init(struct device_node *np) +{ + struct irq_host *irq_host; + struct resource res; + void __iomem *io_base; + int retval; + + retval = of_address_to_resource(np, 0, &res); + if (retval) { + pr_err("no io memory range found\n"); + return NULL; + } + io_base = ioremap(res.start, resource_size(&res)); + if (!io_base) { + pr_err("ioremap failed\n"); + return NULL; + } + + pr_info("controller at 0x%08x mapped to 0x%p\n", res.start, io_base); + + __hlwd_quiesce(io_base); + + irq_host = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, HLWD_NR_IRQS, + &hlwd_irq_host_ops, -1); + if (!irq_host) { + pr_err("failed to allocate irq_host\n"); + return NULL; + } + irq_host->host_data = io_base; + + return irq_host; +} + +unsigned int hlwd_pic_get_irq(void) +{ + return __hlwd_pic_get_irq(hlwd_irq_host); +} + +/* + * Probe function. + * + */ + +void hlwd_pic_probe(void) +{ + struct irq_host *host; + struct device_node *np; + const u32 *interrupts; + int cascade_virq; + + for_each_compatible_node(np, NULL, "nintendo,hollywood-pic") { + interrupts = of_get_property(np, "interrupts", NULL); + if (interrupts) { + host = hlwd_pic_init(np); + BUG_ON(!host); + cascade_virq = irq_of_parse_and_map(np, 0); + set_irq_data(cascade_virq, host); + set_irq_chained_handler(cascade_virq, + hlwd_pic_irq_cascade); + hlwd_irq_host = host; + break; + } + } +} + +/** + * hlwd_quiesce() - quiesce hollywood irq controller + * + * Mask and ack all interrupt sources. + * + */ +void hlwd_quiesce(void) +{ + void __iomem *io_base = hlwd_irq_host->host_data; + + __hlwd_quiesce(io_base); +} + diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.h b/arch/powerpc/platforms/embedded6xx/hlwd-pic.h new file mode 100644 index 0000000..d2e5a09 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.h @@ -0,0 +1,22 @@ +/* + * arch/powerpc/platforms/embedded6xx/hlwd-pic.h + * + * Nintendo Wii "Hollywood" interrupt controller support. + * Copyright (C) 2009 The GameCube Linux Team + * Copyright (C) 2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#ifndef __HLWD_PIC_H +#define __HLWD_PIC_H + +extern unsigned int hlwd_pic_get_irq(void); +extern void hlwd_pic_probe(void); +extern void hlwd_quiesce(void); + +#endif diff --git a/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c b/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c new file mode 100644 index 0000000..edc956c --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c @@ -0,0 +1,328 @@ +/* + * arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c + * + * udbg serial input/output routines for the USB Gecko adapter. + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include <mm/mmu_decl.h> + +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/fixmap.h> + +#include "usbgecko_udbg.h" + + +#define EXI_CLK_32MHZ 5 + +#define EXI_CSR 0x00 +#define EXI_CSR_CLKMASK (0x7<<4) +#define EXI_CSR_CLK_32MHZ (EXI_CLK_32MHZ<<4) +#define EXI_CSR_CSMASK (0x7<<7) +#define EXI_CSR_CS_0 (0x1<<7) /* Chip Select 001 */ + +#define EXI_CR 0x0c +#define EXI_CR_TSTART (1<<0) +#define EXI_CR_WRITE (1<<2) +#define EXI_CR_READ_WRITE (2<<2) +#define EXI_CR_TLEN(len) (((len)-1)<<4) + +#define EXI_DATA 0x10 + +#define UG_READ_ATTEMPTS 100 +#define UG_WRITE_ATTEMPTS 100 + + +static void __iomem *ug_io_base; + +/* + * Performs one input/output transaction between the exi host and the usbgecko. + */ +static u32 ug_io_transaction(u32 in) +{ + u32 __iomem *csr_reg = ug_io_base + EXI_CSR; + u32 __iomem *data_reg = ug_io_base + EXI_DATA; + u32 __iomem *cr_reg = ug_io_base + EXI_CR; + u32 csr, data, cr; + + /* select */ + csr = EXI_CSR_CLK_32MHZ | EXI_CSR_CS_0; + out_be32(csr_reg, csr); + + /* read/write */ + data = in; + out_be32(data_reg, data); + cr = EXI_CR_TLEN(2) | EXI_CR_READ_WRITE | EXI_CR_TSTART; + out_be32(cr_reg, cr); + + while (in_be32(cr_reg) & EXI_CR_TSTART) + barrier(); + + /* deselect */ + out_be32(csr_reg, 0); + + /* result */ + data = in_be32(data_reg); + + return data; +} + +/* + * Returns true if an usbgecko adapter is found. + */ +static int ug_is_adapter_present(void) +{ + if (!ug_io_base) + return 0; + + return ug_io_transaction(0x90000000) == 0x04700000; +} + +/* + * Returns true if the TX fifo is ready for transmission. + */ +static int ug_is_txfifo_ready(void) +{ + return ug_io_transaction(0xc0000000) & 0x04000000; +} + +/* + * Tries to transmit a character. + * If the TX fifo is not ready the result is undefined. + */ +static void ug_raw_putc(char ch) +{ + ug_io_transaction(0xb0000000 | (ch << 20)); +} + +/* + * Transmits a character. + * It silently fails if the TX fifo is not ready after a number of retries. + */ +static void ug_putc(char ch) +{ + int count = UG_WRITE_ATTEMPTS; + + if (!ug_io_base) + return; + + if (ch == '\n') + ug_putc('\r'); + + while (!ug_is_txfifo_ready() && count--) + barrier(); + if (count) + ug_raw_putc(ch); +} + +/* + * Returns true if the RX fifo is ready for transmission. + */ +static int ug_is_rxfifo_ready(void) +{ + return ug_io_transaction(0xd0000000) & 0x04000000; +} + +/* + * Tries to receive a character. + * If a character is unavailable the function returns -1. + */ +static int ug_raw_getc(void) +{ + u32 data = ug_io_transaction(0xa0000000); + if (data & 0x08000000) + return (data >> 16) & 0xff; + else + return -1; +} + +/* + * Receives a character. + * It fails if the RX fifo is not ready after a number of retries. + */ +static int ug_getc(void) +{ + int count = UG_READ_ATTEMPTS; + + if (!ug_io_base) + return -1; + + while (!ug_is_rxfifo_ready() && count--) + barrier(); + return ug_raw_getc(); +} + +/* + * udbg functions. + * + */ + +/* + * Transmits a character. + */ +void ug_udbg_putc(char ch) +{ + ug_putc(ch); +} + +/* + * Receives a character. Waits until a character is available. + */ +static int ug_udbg_getc(void) +{ + int ch; + + while ((ch = ug_getc()) == -1) + barrier(); + return ch; +} + +/* + * Receives a character. If a character is not available, returns -1. + */ +static int ug_udbg_getc_poll(void) +{ + if (!ug_is_rxfifo_ready()) + return -1; + return ug_getc(); +} + +/* + * Retrieves and prepares the virtual address needed to access the hardware. + */ +static void __iomem *ug_udbg_setup_exi_io_base(struct device_node *np) +{ + void __iomem *exi_io_base = NULL; + phys_addr_t paddr; + const unsigned int *reg; + + reg = of_get_property(np, "reg", NULL); + if (reg) { + paddr = of_translate_address(np, reg); + if (paddr) + exi_io_base = ioremap(paddr, reg[1]); + } + return exi_io_base; +} + +/* + * Checks if a USB Gecko adapter is inserted in any memory card slot. + */ +static void __iomem *ug_udbg_probe(void __iomem *exi_io_base) +{ + int i; + + /* look for a usbgecko on memcard slots A and B */ + for (i = 0; i < 2; i++) { + ug_io_base = exi_io_base + 0x14 * i; + if (ug_is_adapter_present()) + break; + } + if (i == 2) + ug_io_base = NULL; + return ug_io_base; + +} + +/* + * USB Gecko udbg support initialization. + */ +void __init ug_udbg_init(void) +{ + struct device_node *np; + void __iomem *exi_io_base; + + if (ug_io_base) + udbg_printf("%s: early -> final\n", __func__); + + np = of_find_compatible_node(NULL, NULL, "nintendo,flipper-exi"); + if (!np) { + udbg_printf("%s: EXI node not found\n", __func__); + goto done; + } + + exi_io_base = ug_udbg_setup_exi_io_base(np); + if (!exi_io_base) { + udbg_printf("%s: failed to setup EXI io base\n", __func__); + goto done; + } + + if (!ug_udbg_probe(exi_io_base)) { + udbg_printf("usbgecko_udbg: not found\n"); + iounmap(exi_io_base); + } else { + udbg_putc = ug_udbg_putc; + udbg_getc = ug_udbg_getc; + udbg_getc_poll = ug_udbg_getc_poll; + udbg_printf("usbgecko_udbg: ready\n"); + } + +done: + if (np) + of_node_put(np); + return; +} + +#ifdef CONFIG_PPC_EARLY_DEBUG_USBGECKO + +static phys_addr_t __init ug_early_grab_io_addr(void) +{ +#if defined(CONFIG_GAMECUBE) + return 0x0c000000; +#elif defined(CONFIG_WII) + return 0x0d000000; +#else +#error Invalid platform for USB Gecko based early debugging. +#endif +} + +/* + * USB Gecko early debug support initialization for udbg. + */ +void __init udbg_init_usbgecko(void) +{ + void __iomem *early_debug_area; + void __iomem *exi_io_base; + + /* + * At this point we have a BAT already setup that enables I/O + * to the EXI hardware. + * + * The BAT uses a virtual address range reserved at the fixmap. + * This must match the virtual address configured in + * head_32.S:setup_usbgecko_bat(). + */ + early_debug_area = (void __iomem *)__fix_to_virt(FIX_EARLY_DEBUG_BASE); + exi_io_base = early_debug_area + 0x00006800; + + /* try to detect a USB Gecko */ + if (!ug_udbg_probe(exi_io_base)) + return; + + /* we found a USB Gecko, load udbg hooks */ + udbg_putc = ug_udbg_putc; + udbg_getc = ug_udbg_getc; + udbg_getc_poll = ug_udbg_getc_poll; + + /* + * Prepare again the same BAT for MMU_init. + * This allows udbg I/O to continue working after the MMU is + * turned on for real. + * It is safe to continue using the same virtual address as it is + * a reserved fixmap area. + */ + setbat(1, (unsigned long)early_debug_area, + ug_early_grab_io_addr(), 128*1024, PAGE_KERNEL_NCG); +} + +#endif /* CONFIG_PPC_EARLY_DEBUG_USBGECKO */ + diff --git a/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h b/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h new file mode 100644 index 0000000..bb6cde4 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h @@ -0,0 +1,32 @@ +/* + * arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h + * + * udbg serial input/output routines for the USB Gecko adapter. + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#ifndef __USBGECKO_UDBG_H +#define __USBGECKO_UDBG_H + +#ifdef CONFIG_USBGECKO_UDBG + +extern void __init ug_udbg_init(void); + +#else + +static inline void __init ug_udbg_init(void) +{ +} + +#endif /* CONFIG_USBGECKO_UDBG */ + +void __init udbg_init_usbgecko(void); + +#endif /* __USBGECKO_UDBG_H */ diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c new file mode 100644 index 0000000..57e5b60 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/wii.c @@ -0,0 +1,268 @@ +/* + * arch/powerpc/platforms/embedded6xx/wii.c + * + * Nintendo Wii board-specific support + * Copyright (C) 2008-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ +#define DRV_MODULE_NAME "wii" +#define pr_fmt(fmt) DRV_MODULE_NAME ": " fmt + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/seq_file.h> +#include <linux/kexec.h> +#include <linux/of_platform.h> +#include <linux/lmb.h> +#include <mm/mmu_decl.h> + +#include <asm/io.h> +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/time.h> +#include <asm/udbg.h> + +#include "flipper-pic.h" +#include "hlwd-pic.h" +#include "usbgecko_udbg.h" + +/* control block */ +#define HW_CTRL_COMPATIBLE "nintendo,hollywood-control" + +#define HW_CTRL_RESETS 0x94 +#define HW_CTRL_RESETS_SYS (1<<0) + +/* gpio */ +#define HW_GPIO_COMPATIBLE "nintendo,hollywood-gpio" + +#define HW_GPIO_BASE(idx) (idx * 0x20) +#define HW_GPIO_OUT(idx) (HW_GPIO_BASE(idx) + 0) +#define HW_GPIO_DIR(idx) (HW_GPIO_BASE(idx) + 4) + +#define HW_GPIO_SHUTDOWN (1<<1) +#define HW_GPIO_SLOT_LED (1<<5) +#define HW_GPIO_SENSOR_BAR (1<<8) + + +static void __iomem *hw_ctrl; +static void __iomem *hw_gpio; + +unsigned long wii_hole_start; +unsigned long wii_hole_size; + + +static int __init page_aligned(unsigned long x) +{ + return !(x & (PAGE_SIZE-1)); +} + +void __init wii_memory_fixups(void) +{ + struct lmb_property *p = lmb.memory.region; + + /* + * This is part of a workaround to allow the use of two + * discontiguous RAM ranges on the Wii, even if this is + * currently unsupported on 32-bit PowerPC Linux. + * + * We coealesce the two memory ranges of the Wii into a + * single range, then create a reservation for the "hole" + * between both ranges. + */ + + BUG_ON(lmb.memory.cnt != 2); + BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base)); + + p[0].size = _ALIGN_DOWN(p[0].size, PAGE_SIZE); + p[1].size = _ALIGN_DOWN(p[1].size, PAGE_SIZE); + + wii_hole_start = p[0].base + p[0].size; + wii_hole_size = p[1].base - wii_hole_start; + + pr_info("MEM1: <%08llx %08llx>\n", p[0].base, p[0].size); + pr_info("HOLE: <%08lx %08lx>\n", wii_hole_start, wii_hole_size); + pr_info("MEM2: <%08llx %08llx>\n", p[1].base, p[1].size); + + p[0].size += wii_hole_size + p[1].size; + + lmb.memory.cnt = 1; + lmb_analyze(); + + /* reserve the hole */ + lmb_reserve(wii_hole_start, wii_hole_size); + + /* allow ioremapping the address space in the hole */ + __allow_ioremap_reserved = 1; +} + +unsigned long __init wii_mmu_mapin_mem2(unsigned long top) +{ + unsigned long delta, size, bl; + unsigned long max_size = (256<<20); + + /* MEM2 64MB@0x10000000 */ + delta = wii_hole_start + wii_hole_size; + size = top - delta; + for (bl = 128<<10; bl < max_size; bl <<= 1) { + if (bl * 2 > size) + break; + } + setbat(4, PAGE_OFFSET+delta, delta, bl, PAGE_KERNEL_X); + return delta + bl; +} + +static void wii_spin(void) +{ + local_irq_disable(); + for (;;) + cpu_relax(); +} + +static void __iomem *wii_ioremap_hw_regs(char *name, char *compatible) +{ + void __iomem *hw_regs = NULL; + struct device_node *np; + struct resource res; + int error = -ENODEV; + + np = of_find_compatible_node(NULL, NULL, compatible); + if (!np) { + pr_err("no compatible node found for %s\n", compatible); + goto out; + } + error = of_address_to_resource(np, 0, &res); + if (error) { + pr_err("no valid reg found for %s\n", np->name); + goto out_put; + } + + hw_regs = ioremap(res.start, resource_size(&res)); + if (hw_regs) { + pr_info("%s at 0x%08x mapped to 0x%p\n", name, + res.start, hw_regs); + } + +out_put: + of_node_put(np); +out: + return hw_regs; +} + +static void __init wii_setup_arch(void) +{ + hw_ctrl = wii_ioremap_hw_regs("hw_ctrl", HW_CTRL_COMPATIBLE); + hw_gpio = wii_ioremap_hw_regs("hw_gpio", HW_GPIO_COMPATIBLE); + if (hw_gpio) { + /* turn off the front blue led and IR light */ + clrbits32(hw_gpio + HW_GPIO_OUT(0), + HW_GPIO_SLOT_LED | HW_GPIO_SENSOR_BAR); + } +} + +static void wii_restart(char *cmd) +{ + local_irq_disable(); + + if (hw_ctrl) { + /* clear the system reset pin to cause a reset */ + clrbits32(hw_ctrl + HW_CTRL_RESETS, HW_CTRL_RESETS_SYS); + } + wii_spin(); +} + +static void wii_power_off(void) +{ + local_irq_disable(); + + if (hw_gpio) { + /* make sure that the poweroff GPIO is configured as output */ + setbits32(hw_gpio + HW_GPIO_DIR(1), HW_GPIO_SHUTDOWN); + + /* drive the poweroff GPIO high */ + setbits32(hw_gpio + HW_GPIO_OUT(1), HW_GPIO_SHUTDOWN); + } + wii_spin(); +} + +static void wii_halt(void) +{ + if (ppc_md.restart) + ppc_md.restart(NULL); + wii_spin(); +} + +static void __init wii_init_early(void) +{ + ug_udbg_init(); +} + +static void __init wii_pic_probe(void) +{ + flipper_pic_probe(); + hlwd_pic_probe(); +} + +static int __init wii_probe(void) +{ + unsigned long dt_root; + + dt_root = of_get_flat_dt_root(); + if (!of_flat_dt_is_compatible(dt_root, "nintendo,wii")) + return 0; + + return 1; +} + +static void wii_shutdown(void) +{ + hlwd_quiesce(); + flipper_quiesce(); +} + +#ifdef CONFIG_KEXEC +static int wii_machine_kexec_prepare(struct kimage *image) +{ + return 0; +} +#endif /* CONFIG_KEXEC */ + +define_machine(wii) { + .name = "wii", + .probe = wii_probe, + .init_early = wii_init_early, + .setup_arch = wii_setup_arch, + .restart = wii_restart, + .power_off = wii_power_off, + .halt = wii_halt, + .init_IRQ = wii_pic_probe, + .get_irq = flipper_pic_get_irq, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, + .machine_shutdown = wii_shutdown, +#ifdef CONFIG_KEXEC + .machine_kexec_prepare = wii_machine_kexec_prepare, +#endif +}; + +static struct of_device_id wii_of_bus[] = { + { .compatible = "nintendo,hollywood", }, + { }, +}; + +static int __init wii_device_probe(void) +{ + if (!machine_is(wii)) + return 0; + + of_platform_bus_probe(NULL, wii_of_bus, NULL); + return 0; +} +device_initcall(wii_device_probe); + diff --git a/arch/powerpc/platforms/iseries/htab.c b/arch/powerpc/platforms/iseries/htab.c index f99c6c4..3ae66ab 100644 --- a/arch/powerpc/platforms/iseries/htab.c +++ b/arch/powerpc/platforms/iseries/htab.c @@ -19,8 +19,7 @@ #include "call_hpt.h" -static spinlock_t iSeries_hlocks[64] __cacheline_aligned_in_smp = - { [0 ... 63] = SPIN_LOCK_UNLOCKED}; +static spinlock_t iSeries_hlocks[64] __cacheline_aligned_in_smp; /* * Very primitive algorithm for picking up a lock @@ -245,6 +244,11 @@ static void iSeries_hpte_invalidate(unsigned long slot, unsigned long va, void __init hpte_init_iSeries(void) { + int i; + + for (i = 0; i < ARRAY_SIZE(iSeries_hlocks); i++) + spin_lock_init(&iSeries_hlocks[i]); + ppc_md.hpte_invalidate = iSeries_hpte_invalidate; ppc_md.hpte_updatepp = iSeries_hpte_updatepp; ppc_md.hpte_updateboltedpp = iSeries_hpte_updateboltedpp; diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index 94f4447..86c4b29 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -214,12 +214,12 @@ void __init iSeries_activate_IRQs() unsigned long flags; for_each_irq (irq) { - struct irq_desc *desc = get_irq_desc(irq); + struct irq_desc *desc = irq_to_desc(irq); if (desc && desc->chip && desc->chip->startup) { - spin_lock_irqsave(&desc->lock, flags); + raw_spin_lock_irqsave(&desc->lock, flags); desc->chip->startup(irq); - spin_unlock_irqrestore(&desc->lock, flags); + raw_spin_unlock_irqrestore(&desc->lock, flags); } } } @@ -273,7 +273,7 @@ static void iseries_end_IRQ(unsigned int irq) } static struct irq_chip iseries_pic = { - .typename = "iSeries irq controller", + .name = "iSeries irq controller", .startup = iseries_startup_IRQ, .shutdown = iseries_shutdown_IRQ, .unmask = iseries_enable_IRQ, diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index a461934..242f809 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -71,7 +71,7 @@ static void pas_restart(char *cmd) } #ifdef CONFIG_SMP -static raw_spinlock_t timebase_lock; +static arch_spinlock_t timebase_lock; static unsigned long timebase; static void __devinit pas_give_timebase(void) @@ -80,11 +80,11 @@ static void __devinit pas_give_timebase(void) local_irq_save(flags); hard_irq_disable(); - __raw_spin_lock(&timebase_lock); + arch_spin_lock(&timebase_lock); mtspr(SPRN_TBCTL, TBCTL_FREEZE); isync(); timebase = get_tb(); - __raw_spin_unlock(&timebase_lock); + arch_spin_unlock(&timebase_lock); while (timebase) barrier(); @@ -97,10 +97,10 @@ static void __devinit pas_take_timebase(void) while (!timebase) smp_rmb(); - __raw_spin_lock(&timebase_lock); + arch_spin_lock(&timebase_lock); set_tb(timebase >> 32, timebase & 0xffffffff); timebase = 0; - __raw_spin_unlock(&timebase_lock); + arch_spin_unlock(&timebase_lock); } struct smp_ops_t pas_smp_ops = { diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c index cf66091..9dd789a 100644 --- a/arch/powerpc/platforms/powermac/bootx_init.c +++ b/arch/powerpc/platforms/powermac/bootx_init.c @@ -12,7 +12,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/init.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <asm/sections.h> #include <asm/prom.h> #include <asm/page.h> diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 414ca98..345e2da 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -42,6 +42,7 @@ #include <linux/interrupt.h> #include <linux/timer.h> #include <linux/mutex.h> +#include <linux/i2c.h> #include <asm/keylargo.h> #include <asm/uninorth.h> #include <asm/io.h> @@ -80,7 +81,7 @@ struct pmac_i2c_bus struct device_node *busnode; int type; int flags; - struct i2c_adapter *adapter; + struct i2c_adapter adapter; void *hostdata; int channel; /* some hosts have multiple */ int mode; /* current mode */ @@ -1014,25 +1015,9 @@ int pmac_i2c_get_channel(struct pmac_i2c_bus *bus) EXPORT_SYMBOL_GPL(pmac_i2c_get_channel); -void pmac_i2c_attach_adapter(struct pmac_i2c_bus *bus, - struct i2c_adapter *adapter) -{ - WARN_ON(bus->adapter != NULL); - bus->adapter = adapter; -} -EXPORT_SYMBOL_GPL(pmac_i2c_attach_adapter); - -void pmac_i2c_detach_adapter(struct pmac_i2c_bus *bus, - struct i2c_adapter *adapter) -{ - WARN_ON(bus->adapter != adapter); - bus->adapter = NULL; -} -EXPORT_SYMBOL_GPL(pmac_i2c_detach_adapter); - struct i2c_adapter *pmac_i2c_get_adapter(struct pmac_i2c_bus *bus) { - return bus->adapter; + return &bus->adapter; } EXPORT_SYMBOL_GPL(pmac_i2c_get_adapter); @@ -1041,7 +1026,7 @@ struct pmac_i2c_bus *pmac_i2c_adapter_to_bus(struct i2c_adapter *adapter) struct pmac_i2c_bus *bus; list_for_each_entry(bus, &pmac_i2c_busses, link) - if (bus->adapter == adapter) + if (&bus->adapter == adapter) return bus; return NULL; } @@ -1053,7 +1038,7 @@ int pmac_i2c_match_adapter(struct device_node *dev, struct i2c_adapter *adapter) if (bus == NULL) return 0; - return (bus->adapter == adapter); + return (&bus->adapter == adapter); } EXPORT_SYMBOL_GPL(pmac_i2c_match_adapter); diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index e81403b..ab2027c 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -302,7 +302,7 @@ static void __init setup_chaos(struct pci_controller *hose, * 1 -> Skip the device but act as if the access was successfull * (return 0xff's on reads, eventually, cache config space * accesses in a later version) - * -1 -> Hide the device (unsuccessful acess) + * -1 -> Hide the device (unsuccessful access) */ static int u3_ht_skip_device(struct pci_controller *hose, struct pci_bus *bus, unsigned int devfn) diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index d212006..09e8272 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -152,12 +152,12 @@ static unsigned int pmac_startup_irq(unsigned int virq) unsigned long bit = 1UL << (src & 0x1f); int i = src >> 5; - spin_lock_irqsave(&pmac_pic_lock, flags); - if ((irq_desc[virq].status & IRQ_LEVEL) == 0) + spin_lock_irqsave(&pmac_pic_lock, flags); + if ((irq_to_desc(virq)->status & IRQ_LEVEL) == 0) out_le32(&pmac_irq_hw[i]->ack, bit); __set_bit(src, ppc_cached_irq_mask); __pmac_set_irq_mask(src, 0); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + spin_unlock_irqrestore(&pmac_pic_lock, flags); return 0; } @@ -195,7 +195,7 @@ static int pmac_retrigger(unsigned int virq) } static struct irq_chip pmac_pic = { - .typename = " PMAC-PIC ", + .name = " PMAC-PIC ", .startup = pmac_startup_irq, .mask = pmac_mask_irq, .ack = pmac_ack_irq, @@ -285,7 +285,7 @@ static int pmac_pic_host_match(struct irq_host *h, struct device_node *node) static int pmac_pic_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hw) { - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); int level; if (hw >= max_irqs) @@ -303,7 +303,7 @@ static int pmac_pic_host_map(struct irq_host *h, unsigned int virq, } static int pmac_pic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 8ec5ccf..59d9712 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -152,7 +152,7 @@ static void ps3_chip_eoi(unsigned int virq) */ static struct irq_chip ps3_irq_chip = { - .typename = "ps3", + .name = "ps3", .mask = ps3_chip_mask, .unmask = ps3_chip_unmask, .eoi = ps3_chip_eoi, diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index 189a25b..e81b028 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -34,7 +34,7 @@ #if defined(DEBUG) #define DBG udbg_printf #else -#define DBG pr_debug +#define DBG pr_devel #endif enum { diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index f0e6f28..27554c8 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -4,6 +4,7 @@ config PPC_PSERIES select MPIC select PPC_I8259 select PPC_RTAS + select PPC_RTAS_DAEMON select RTAS_ERROR_LOGGING select PPC_UDBG_16550 select PPC_NATIVE @@ -59,7 +60,7 @@ config PPC_SMLPAR config CMM tristate "Collaborative memory management" - depends on PPC_SMLPAR && !CRASH_DUMP + depends on PPC_SMLPAR default y help Select this option, if you want to enable the kernel interface diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index 790c0b8..0ff5174 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -7,8 +7,8 @@ EXTRA_CFLAGS += -DDEBUG endif obj-y := lpar.o hvCall.o nvram.o reconfig.o \ - setup.o iommu.o ras.o rtasd.o \ - firmware.o power.o + setup.o iommu.o ras.o \ + firmware.o power.o dlpar.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_XICS) += xics.o obj-$(CONFIG_SCANLOG) += scanlog.o diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 6567439..bcdcf0c 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -229,8 +229,9 @@ static void cmm_get_mpp(void) { int rc; struct hvcall_mpp_data mpp_data; - unsigned long active_pages_target; - signed long page_loan_request; + signed long active_pages_target, page_loan_request, target; + signed long total_pages = totalram_pages + loaned_pages; + signed long min_mem_pages = (min_mem_mb * 1024 * 1024) / PAGE_SIZE; rc = h_get_mpp(&mpp_data); @@ -238,17 +239,25 @@ static void cmm_get_mpp(void) return; page_loan_request = div_s64((s64)mpp_data.loan_request, PAGE_SIZE); - loaned_pages_target = page_loan_request + loaned_pages; - if (loaned_pages_target > oom_freed_pages) - loaned_pages_target -= oom_freed_pages; + target = page_loan_request + (signed long)loaned_pages; + + if (target < 0 || total_pages < min_mem_pages) + target = 0; + + if (target > oom_freed_pages) + target -= oom_freed_pages; else - loaned_pages_target = 0; + target = 0; + + active_pages_target = total_pages - target; + + if (min_mem_pages > active_pages_target) + target = total_pages - min_mem_pages; - active_pages_target = totalram_pages + loaned_pages - loaned_pages_target; + if (target < 0) + target = 0; - if ((min_mem_mb * 1024 * 1024) > (active_pages_target * PAGE_SIZE)) - loaned_pages_target = totalram_pages + loaned_pages - - ((min_mem_mb * 1024 * 1024) / PAGE_SIZE); + loaned_pages_target = target; cmm_dbg("delta = %ld, loaned = %lu, target = %lu, oom = %lu, totalram = %lu\n", page_loan_request, loaned_pages, loaned_pages_target, diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c new file mode 100644 index 0000000..12df9e8 --- /dev/null +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -0,0 +1,558 @@ +/* + * Support for dynamic reconfiguration for PCI, Memory, and CPU + * Hotplug and Dynamic Logical Partitioning on RPA platforms. + * + * Copyright (C) 2009 Nathan Fontenot + * Copyright (C) 2009 IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/kref.h> +#include <linux/notifier.h> +#include <linux/proc_fs.h> +#include <linux/spinlock.h> +#include <linux/cpu.h> +#include "offline_states.h" + +#include <asm/prom.h> +#include <asm/machdep.h> +#include <asm/uaccess.h> +#include <asm/rtas.h> +#include <asm/pSeries_reconfig.h> + +struct cc_workarea { + u32 drc_index; + u32 zero; + u32 name_offset; + u32 prop_length; + u32 prop_offset; +}; + +static void dlpar_free_cc_property(struct property *prop) +{ + kfree(prop->name); + kfree(prop->value); + kfree(prop); +} + +static struct property *dlpar_parse_cc_property(struct cc_workarea *ccwa) +{ + struct property *prop; + char *name; + char *value; + + prop = kzalloc(sizeof(*prop), GFP_KERNEL); + if (!prop) + return NULL; + + name = (char *)ccwa + ccwa->name_offset; + prop->name = kstrdup(name, GFP_KERNEL); + + prop->length = ccwa->prop_length; + value = (char *)ccwa + ccwa->prop_offset; + prop->value = kzalloc(prop->length, GFP_KERNEL); + if (!prop->value) { + dlpar_free_cc_property(prop); + return NULL; + } + + memcpy(prop->value, value, prop->length); + return prop; +} + +static struct device_node *dlpar_parse_cc_node(struct cc_workarea *ccwa) +{ + struct device_node *dn; + char *name; + + dn = kzalloc(sizeof(*dn), GFP_KERNEL); + if (!dn) + return NULL; + + /* The configure connector reported name does not contain a + * preceeding '/', so we allocate a buffer large enough to + * prepend this to the full_name. + */ + name = (char *)ccwa + ccwa->name_offset; + dn->full_name = kmalloc(strlen(name) + 2, GFP_KERNEL); + if (!dn->full_name) { + kfree(dn); + return NULL; + } + + sprintf(dn->full_name, "/%s", name); + return dn; +} + +static void dlpar_free_one_cc_node(struct device_node *dn) +{ + struct property *prop; + + while (dn->properties) { + prop = dn->properties; + dn->properties = prop->next; + dlpar_free_cc_property(prop); + } + + kfree(dn->full_name); + kfree(dn); +} + +static void dlpar_free_cc_nodes(struct device_node *dn) +{ + if (dn->child) + dlpar_free_cc_nodes(dn->child); + + if (dn->sibling) + dlpar_free_cc_nodes(dn->sibling); + + dlpar_free_one_cc_node(dn); +} + +#define NEXT_SIBLING 1 +#define NEXT_CHILD 2 +#define NEXT_PROPERTY 3 +#define PREV_PARENT 4 +#define MORE_MEMORY 5 +#define CALL_AGAIN -2 +#define ERR_CFG_USE -9003 + +struct device_node *dlpar_configure_connector(u32 drc_index) +{ + struct device_node *dn; + struct device_node *first_dn = NULL; + struct device_node *last_dn = NULL; + struct property *property; + struct property *last_property = NULL; + struct cc_workarea *ccwa; + int cc_token; + int rc; + + cc_token = rtas_token("ibm,configure-connector"); + if (cc_token == RTAS_UNKNOWN_SERVICE) + return NULL; + + spin_lock(&rtas_data_buf_lock); + ccwa = (struct cc_workarea *)&rtas_data_buf[0]; + ccwa->drc_index = drc_index; + ccwa->zero = 0; + + rc = rtas_call(cc_token, 2, 1, NULL, rtas_data_buf, NULL); + while (rc) { + switch (rc) { + case NEXT_SIBLING: + dn = dlpar_parse_cc_node(ccwa); + if (!dn) + goto cc_error; + + dn->parent = last_dn->parent; + last_dn->sibling = dn; + last_dn = dn; + break; + + case NEXT_CHILD: + dn = dlpar_parse_cc_node(ccwa); + if (!dn) + goto cc_error; + + if (!first_dn) + first_dn = dn; + else { + dn->parent = last_dn; + if (last_dn) + last_dn->child = dn; + } + + last_dn = dn; + break; + + case NEXT_PROPERTY: + property = dlpar_parse_cc_property(ccwa); + if (!property) + goto cc_error; + + if (!last_dn->properties) + last_dn->properties = property; + else + last_property->next = property; + + last_property = property; + break; + + case PREV_PARENT: + last_dn = last_dn->parent; + break; + + case CALL_AGAIN: + break; + + case MORE_MEMORY: + case ERR_CFG_USE: + default: + printk(KERN_ERR "Unexpected Error (%d) " + "returned from configure-connector\n", rc); + goto cc_error; + } + + rc = rtas_call(cc_token, 2, 1, NULL, rtas_data_buf, NULL); + } + + spin_unlock(&rtas_data_buf_lock); + return first_dn; + +cc_error: + if (first_dn) + dlpar_free_cc_nodes(first_dn); + spin_unlock(&rtas_data_buf_lock); + return NULL; +} + +static struct device_node *derive_parent(const char *path) +{ + struct device_node *parent; + char *last_slash; + + last_slash = strrchr(path, '/'); + if (last_slash == path) { + parent = of_find_node_by_path("/"); + } else { + char *parent_path; + int parent_path_len = last_slash - path + 1; + parent_path = kmalloc(parent_path_len, GFP_KERNEL); + if (!parent_path) + return NULL; + + strlcpy(parent_path, path, parent_path_len); + parent = of_find_node_by_path(parent_path); + kfree(parent_path); + } + + return parent; +} + +int dlpar_attach_node(struct device_node *dn) +{ + struct proc_dir_entry *ent; + int rc; + + of_node_set_flag(dn, OF_DYNAMIC); + kref_init(&dn->kref); + dn->parent = derive_parent(dn->full_name); + if (!dn->parent) + return -ENOMEM; + + rc = blocking_notifier_call_chain(&pSeries_reconfig_chain, + PSERIES_RECONFIG_ADD, dn); + if (rc == NOTIFY_BAD) { + printk(KERN_ERR "Failed to add device node %s\n", + dn->full_name); + return -ENOMEM; /* For now, safe to assume kmalloc failure */ + } + + of_attach_node(dn); + +#ifdef CONFIG_PROC_DEVICETREE + ent = proc_mkdir(strrchr(dn->full_name, '/') + 1, dn->parent->pde); + if (ent) + proc_device_tree_add_node(dn, ent); +#endif + + of_node_put(dn->parent); + return 0; +} + +int dlpar_detach_node(struct device_node *dn) +{ + struct device_node *parent = dn->parent; + struct property *prop = dn->properties; + +#ifdef CONFIG_PROC_DEVICETREE + while (prop) { + remove_proc_entry(prop->name, dn->pde); + prop = prop->next; + } + + if (dn->pde) + remove_proc_entry(dn->pde->name, parent->pde); +#endif + + blocking_notifier_call_chain(&pSeries_reconfig_chain, + PSERIES_RECONFIG_REMOVE, dn); + of_detach_node(dn); + of_node_put(dn); /* Must decrement the refcount */ + + return 0; +} + +#define DR_ENTITY_SENSE 9003 +#define DR_ENTITY_PRESENT 1 +#define DR_ENTITY_UNUSABLE 2 +#define ALLOCATION_STATE 9003 +#define ALLOC_UNUSABLE 0 +#define ALLOC_USABLE 1 +#define ISOLATION_STATE 9001 +#define ISOLATE 0 +#define UNISOLATE 1 + +int dlpar_acquire_drc(u32 drc_index) +{ + int dr_status, rc; + + rc = rtas_call(rtas_token("get-sensor-state"), 2, 2, &dr_status, + DR_ENTITY_SENSE, drc_index); + if (rc || dr_status != DR_ENTITY_UNUSABLE) + return -1; + + rc = rtas_set_indicator(ALLOCATION_STATE, drc_index, ALLOC_USABLE); + if (rc) + return rc; + + rc = rtas_set_indicator(ISOLATION_STATE, drc_index, UNISOLATE); + if (rc) { + rtas_set_indicator(ALLOCATION_STATE, drc_index, ALLOC_UNUSABLE); + return rc; + } + + return 0; +} + +int dlpar_release_drc(u32 drc_index) +{ + int dr_status, rc; + + rc = rtas_call(rtas_token("get-sensor-state"), 2, 2, &dr_status, + DR_ENTITY_SENSE, drc_index); + if (rc || dr_status != DR_ENTITY_PRESENT) + return -1; + + rc = rtas_set_indicator(ISOLATION_STATE, drc_index, ISOLATE); + if (rc) + return rc; + + rc = rtas_set_indicator(ALLOCATION_STATE, drc_index, ALLOC_UNUSABLE); + if (rc) { + rtas_set_indicator(ISOLATION_STATE, drc_index, UNISOLATE); + return rc; + } + + return 0; +} + +#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE + +static DEFINE_MUTEX(pseries_cpu_hotplug_mutex); + +void cpu_hotplug_driver_lock() +{ + mutex_lock(&pseries_cpu_hotplug_mutex); +} + +void cpu_hotplug_driver_unlock() +{ + mutex_unlock(&pseries_cpu_hotplug_mutex); +} + +static int dlpar_online_cpu(struct device_node *dn) +{ + int rc = 0; + unsigned int cpu; + int len, nthreads, i; + const u32 *intserv; + + intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); + if (!intserv) + return -EINVAL; + + nthreads = len / sizeof(u32); + + cpu_maps_update_begin(); + for (i = 0; i < nthreads; i++) { + for_each_present_cpu(cpu) { + if (get_hard_smp_processor_id(cpu) != intserv[i]) + continue; + BUG_ON(get_cpu_current_state(cpu) + != CPU_STATE_OFFLINE); + cpu_maps_update_done(); + rc = cpu_up(cpu); + if (rc) + goto out; + cpu_maps_update_begin(); + + break; + } + if (cpu == num_possible_cpus()) + printk(KERN_WARNING "Could not find cpu to online " + "with physical id 0x%x\n", intserv[i]); + } + cpu_maps_update_done(); + +out: + return rc; + +} + +static ssize_t dlpar_cpu_probe(const char *buf, size_t count) +{ + struct device_node *dn; + unsigned long drc_index; + char *cpu_name; + int rc; + + cpu_hotplug_driver_lock(); + rc = strict_strtoul(buf, 0, &drc_index); + if (rc) { + rc = -EINVAL; + goto out; + } + + dn = dlpar_configure_connector(drc_index); + if (!dn) { + rc = -EINVAL; + goto out; + } + + /* configure-connector reports cpus as living in the base + * directory of the device tree. CPUs actually live in the + * cpus directory so we need to fixup the full_name. + */ + cpu_name = kzalloc(strlen(dn->full_name) + strlen("/cpus") + 1, + GFP_KERNEL); + if (!cpu_name) { + dlpar_free_cc_nodes(dn); + rc = -ENOMEM; + goto out; + } + + sprintf(cpu_name, "/cpus%s", dn->full_name); + kfree(dn->full_name); + dn->full_name = cpu_name; + + rc = dlpar_acquire_drc(drc_index); + if (rc) { + dlpar_free_cc_nodes(dn); + rc = -EINVAL; + goto out; + } + + rc = dlpar_attach_node(dn); + if (rc) { + dlpar_release_drc(drc_index); + dlpar_free_cc_nodes(dn); + } + + rc = dlpar_online_cpu(dn); +out: + cpu_hotplug_driver_unlock(); + + return rc ? rc : count; +} + +static int dlpar_offline_cpu(struct device_node *dn) +{ + int rc = 0; + unsigned int cpu; + int len, nthreads, i; + const u32 *intserv; + + intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); + if (!intserv) + return -EINVAL; + + nthreads = len / sizeof(u32); + + cpu_maps_update_begin(); + for (i = 0; i < nthreads; i++) { + for_each_present_cpu(cpu) { + if (get_hard_smp_processor_id(cpu) != intserv[i]) + continue; + + if (get_cpu_current_state(cpu) == CPU_STATE_OFFLINE) + break; + + if (get_cpu_current_state(cpu) == CPU_STATE_ONLINE) { + cpu_maps_update_done(); + rc = cpu_down(cpu); + if (rc) + goto out; + cpu_maps_update_begin(); + break; + + } + + /* + * The cpu is in CPU_STATE_INACTIVE. + * Upgrade it's state to CPU_STATE_OFFLINE. + */ + set_preferred_offline_state(cpu, CPU_STATE_OFFLINE); + BUG_ON(plpar_hcall_norets(H_PROD, intserv[i]) + != H_SUCCESS); + __cpu_die(cpu); + break; + } + if (cpu == num_possible_cpus()) + printk(KERN_WARNING "Could not find cpu to offline " + "with physical id 0x%x\n", intserv[i]); + } + cpu_maps_update_done(); + +out: + return rc; + +} + +static ssize_t dlpar_cpu_release(const char *buf, size_t count) +{ + struct device_node *dn; + const u32 *drc_index; + int rc; + + dn = of_find_node_by_path(buf); + if (!dn) + return -EINVAL; + + drc_index = of_get_property(dn, "ibm,my-drc-index", NULL); + if (!drc_index) { + of_node_put(dn); + return -EINVAL; + } + + cpu_hotplug_driver_lock(); + rc = dlpar_offline_cpu(dn); + if (rc) { + of_node_put(dn); + rc = -EINVAL; + goto out; + } + + rc = dlpar_release_drc(*drc_index); + if (rc) { + of_node_put(dn); + goto out; + } + + rc = dlpar_detach_node(dn); + if (rc) { + dlpar_acquire_drc(*drc_index); + goto out; + } + + of_node_put(dn); +out: + cpu_hotplug_driver_unlock(); + return rc ? rc : count; +} + +static int __init pseries_dlpar_init(void) +{ + ppc_md.cpu_probe = dlpar_cpu_probe; + ppc_md.cpu_release = dlpar_cpu_release; + + return 0; +} +machine_device_initcall(pseries, pseries_dlpar_init); + +#endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */ diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c index 937a544..c5f3116 100644 --- a/arch/powerpc/platforms/pseries/dtl.c +++ b/arch/powerpc/platforms/pseries/dtl.c @@ -54,7 +54,7 @@ struct dtl { int buf_entries; u64 last_idx; }; -static DEFINE_PER_CPU(struct dtl, dtl); +static DEFINE_PER_CPU(struct dtl, cpu_dtl); /* * Dispatch trace log event mask: @@ -261,7 +261,7 @@ static int dtl_init(void) /* set up the per-cpu log structures */ for_each_possible_cpu(i) { - struct dtl *dtl = &per_cpu(dtl, i); + struct dtl *dtl = &per_cpu(cpu_dtl, i); dtl->cpu = i; rc = dtl_setup_file(dtl); diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 0e8db67..ef8e454 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -63,22 +63,6 @@ static void print_device_node_tree(struct pci_dn *pdn, int dent) } #endif -/** - * irq_in_use - return true if this irq is being used - */ -static int irq_in_use(unsigned int irq) -{ - int rc = 0; - unsigned long flags; - struct irq_desc *desc = irq_desc + irq; - - spin_lock_irqsave(&desc->lock, flags); - if (desc->action) - rc = 1; - spin_unlock_irqrestore(&desc->lock, flags); - return rc; -} - /** * eeh_disable_irq - disable interrupt for the recovering device */ @@ -93,7 +77,7 @@ static void eeh_disable_irq(struct pci_dev *dev) if (dev->msi_enabled || dev->msix_enabled) return; - if (!irq_in_use(dev->irq)) + if (!irq_has_action(dev->irq)) return; PCI_DN(dn)->eeh_mode |= EEH_MODE_IRQ_DISABLED; diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index ebff6d9..6ea4698 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -30,6 +30,7 @@ #include <asm/pSeries_reconfig.h> #include "xics.h" #include "plpar_wrappers.h" +#include "offline_states.h" /* This version can't take the spinlock, because it never returns */ static struct rtas_args rtas_stop_self_args = { @@ -39,6 +40,55 @@ static struct rtas_args rtas_stop_self_args = { .rets = &rtas_stop_self_args.args[0], }; +static DEFINE_PER_CPU(enum cpu_state_vals, preferred_offline_state) = + CPU_STATE_OFFLINE; +static DEFINE_PER_CPU(enum cpu_state_vals, current_state) = CPU_STATE_OFFLINE; + +static enum cpu_state_vals default_offline_state = CPU_STATE_OFFLINE; + +static int cede_offline_enabled __read_mostly = 1; + +/* + * Enable/disable cede_offline when available. + */ +static int __init setup_cede_offline(char *str) +{ + if (!strcmp(str, "off")) + cede_offline_enabled = 0; + else if (!strcmp(str, "on")) + cede_offline_enabled = 1; + else + return 0; + return 1; +} + +__setup("cede_offline=", setup_cede_offline); + +enum cpu_state_vals get_cpu_current_state(int cpu) +{ + return per_cpu(current_state, cpu); +} + +void set_cpu_current_state(int cpu, enum cpu_state_vals state) +{ + per_cpu(current_state, cpu) = state; +} + +enum cpu_state_vals get_preferred_offline_state(int cpu) +{ + return per_cpu(preferred_offline_state, cpu); +} + +void set_preferred_offline_state(int cpu, enum cpu_state_vals state) +{ + per_cpu(preferred_offline_state, cpu) = state; +} + +void set_default_offline_state(int cpu) +{ + per_cpu(preferred_offline_state, cpu) = default_offline_state; +} + static void rtas_stop_self(void) { struct rtas_args *args = &rtas_stop_self_args; @@ -56,11 +106,61 @@ static void rtas_stop_self(void) static void pseries_mach_cpu_die(void) { + unsigned int cpu = smp_processor_id(); + unsigned int hwcpu = hard_smp_processor_id(); + u8 cede_latency_hint = 0; + local_irq_disable(); idle_task_exit(); xics_teardown_cpu(); - unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow())); - rtas_stop_self(); + + if (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) { + set_cpu_current_state(cpu, CPU_STATE_INACTIVE); + cede_latency_hint = 2; + + get_lppaca()->idle = 1; + if (!get_lppaca()->shared_proc) + get_lppaca()->donate_dedicated_cpu = 1; + + printk(KERN_INFO + "cpu %u (hwid %u) ceding for offline with hint %d\n", + cpu, hwcpu, cede_latency_hint); + while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) { + extended_cede_processor(cede_latency_hint); + printk(KERN_INFO "cpu %u (hwid %u) returned from cede.\n", + cpu, hwcpu); + printk(KERN_INFO + "Decrementer value = %x Timebase value = %llx\n", + get_dec(), get_tb()); + } + + printk(KERN_INFO "cpu %u (hwid %u) got prodded to go online\n", + cpu, hwcpu); + + if (!get_lppaca()->shared_proc) + get_lppaca()->donate_dedicated_cpu = 0; + get_lppaca()->idle = 0; + } + + if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) { + unregister_slb_shadow(hwcpu, __pa(get_slb_shadow())); + + /* + * NOTE: Calling start_secondary() here for now to + * start new context. + * However, need to do it cleanly by resetting the + * stack pointer. + */ + start_secondary(); + + } else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) { + + set_cpu_current_state(cpu, CPU_STATE_OFFLINE); + unregister_slb_shadow(hard_smp_processor_id(), + __pa(get_slb_shadow())); + rtas_stop_self(); + } + /* Should never get here... */ BUG(); for(;;); @@ -106,18 +206,43 @@ static int pseries_cpu_disable(void) return 0; } +/* + * pseries_cpu_die: Wait for the cpu to die. + * @cpu: logical processor id of the CPU whose death we're awaiting. + * + * This function is called from the context of the thread which is performing + * the cpu-offline. Here we wait for long enough to allow the cpu in question + * to self-destroy so that the cpu-offline thread can send the CPU_DEAD + * notifications. + * + * OTOH, pseries_mach_cpu_die() is called by the @cpu when it wants to + * self-destruct. + */ static void pseries_cpu_die(unsigned int cpu) { int tries; - int cpu_status; + int cpu_status = 1; unsigned int pcpu = get_hard_smp_processor_id(cpu); - for (tries = 0; tries < 25; tries++) { - cpu_status = query_cpu_stopped(pcpu); - if (cpu_status == 0 || cpu_status == -1) - break; - cpu_relax(); + if (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) { + cpu_status = 1; + for (tries = 0; tries < 1000; tries++) { + if (get_cpu_current_state(cpu) == CPU_STATE_INACTIVE) { + cpu_status = 0; + break; + } + cpu_relax(); + } + } else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) { + + for (tries = 0; tries < 25; tries++) { + cpu_status = query_cpu_stopped(pcpu); + if (cpu_status == 0 || cpu_status == -1) + break; + cpu_relax(); + } } + if (cpu_status != 0) { printk("Querying DEAD? cpu %i (%i) shows %i\n", cpu, pcpu, cpu_status); @@ -252,10 +377,41 @@ static struct notifier_block pseries_smp_nb = { .notifier_call = pseries_smp_notifier, }; +#define MAX_CEDE_LATENCY_LEVELS 4 +#define CEDE_LATENCY_PARAM_LENGTH 10 +#define CEDE_LATENCY_PARAM_MAX_LENGTH \ + (MAX_CEDE_LATENCY_LEVELS * CEDE_LATENCY_PARAM_LENGTH * sizeof(char)) +#define CEDE_LATENCY_TOKEN 45 + +static char cede_parameters[CEDE_LATENCY_PARAM_MAX_LENGTH]; + +static int parse_cede_parameters(void) +{ + int call_status; + + memset(cede_parameters, 0, CEDE_LATENCY_PARAM_MAX_LENGTH); + call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1, + NULL, + CEDE_LATENCY_TOKEN, + __pa(cede_parameters), + CEDE_LATENCY_PARAM_MAX_LENGTH); + + if (call_status != 0) + printk(KERN_INFO "CEDE_LATENCY: \ + %s %s Error calling get-system-parameter(0x%x)\n", + __FILE__, __func__, call_status); + else + printk(KERN_INFO "CEDE_LATENCY: \ + get-system-parameter successful.\n"); + + return call_status; +} + static int __init pseries_cpu_hotplug_init(void) { struct device_node *np; const char *typep; + int cpu; for_each_node_by_name(np, "interrupt-controller") { typep = of_get_property(np, "compatible", NULL); @@ -283,8 +439,16 @@ static int __init pseries_cpu_hotplug_init(void) smp_ops->cpu_die = pseries_cpu_die; /* Processors can be added/removed only on LPAR */ - if (firmware_has_feature(FW_FEATURE_LPAR)) + if (firmware_has_feature(FW_FEATURE_LPAR)) { pSeries_reconfig_notifier_register(&pseries_smp_nb); + cpu_maps_update_begin(); + if (cede_offline_enabled && parse_cede_parameters() == 0) { + default_offline_state = CPU_STATE_INACTIVE; + for_each_online_cpu(cpu) + set_default_offline_state(cpu); + } + cpu_maps_update_done(); + } return 0; } diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h new file mode 100644 index 0000000..22574e0 --- /dev/null +++ b/arch/powerpc/platforms/pseries/offline_states.h @@ -0,0 +1,18 @@ +#ifndef _OFFLINE_STATES_H_ +#define _OFFLINE_STATES_H_ + +/* Cpu offline states go here */ +enum cpu_state_vals { + CPU_STATE_OFFLINE, + CPU_STATE_INACTIVE, + CPU_STATE_ONLINE, + CPU_MAX_OFFLINE_STATES +}; + +extern enum cpu_state_vals get_cpu_current_state(int cpu); +extern void set_cpu_current_state(int cpu, enum cpu_state_vals state); +extern enum cpu_state_vals get_preferred_offline_state(int cpu); +extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state); +extern void set_default_offline_state(int cpu); +extern int start_secondary(void); +#endif diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index a24a6b23..0603c91 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -9,11 +9,33 @@ static inline long poll_pending(void) return plpar_hcall_norets(H_POLL_PENDING); } +static inline u8 get_cede_latency_hint(void) +{ + return get_lppaca()->gpr5_dword.fields.cede_latency_hint; +} + +static inline void set_cede_latency_hint(u8 latency_hint) +{ + get_lppaca()->gpr5_dword.fields.cede_latency_hint = latency_hint; +} + static inline long cede_processor(void) { return plpar_hcall_norets(H_CEDE); } +static inline long extended_cede_processor(unsigned long latency_hint) +{ + long rc; + u8 old_latency_hint = get_cede_latency_hint(); + + set_cede_latency_hint(latency_hint); + rc = cede_processor(); + set_cede_latency_hint(old_latency_hint); + + return rc; +} + static inline long vpa_call(unsigned long flags, unsigned long cpu, unsigned long vpa) { diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 2e2bbe1..a2305d2 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -96,7 +96,7 @@ static struct device_node *derive_parent(const char *path) return parent; } -static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); +BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); int pSeries_reconfig_notifier_register(struct notifier_block *nb) { @@ -184,7 +184,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np) } /* - * /proc/ppc64/ofdt - yucky binary interface for adding and removing + * /proc/powerpc/ofdt - yucky binary interface for adding and removing * OF device nodes. Should be deprecated as soon as we get an * in-kernel wrapper for the RTAS ibm,configure-connector call. */ @@ -543,7 +543,7 @@ static const struct file_operations ofdt_fops = { .write = ofdt_write }; -/* create /proc/ppc64/ofdt write-only by root */ +/* create /proc/powerpc/ofdt write-only by root */ static int proc_ppc64_create_ofdt(void) { struct proc_dir_entry *ent; @@ -551,7 +551,7 @@ static int proc_ppc64_create_ofdt(void) if (!machine_is(pseries)) return 0; - ent = proc_create("ppc64/ofdt", S_IWUSR, NULL, &ofdt_fops); + ent = proc_create("powerpc/ofdt", S_IWUSR, NULL, &ofdt_fops); if (ent) ent->size = 0; diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c index 417eca7..1b45c45 100644 --- a/arch/powerpc/platforms/pseries/scanlog.c +++ b/arch/powerpc/platforms/pseries/scanlog.c @@ -13,7 +13,7 @@ * of this data using this driver. A dump exists if the device-tree * /chosen/ibm,scan-log-data property exists. * - * This driver exports /proc/ppc64/scan-log-dump which can be read. + * This driver exports /proc/powerpc/scan-log-dump which can be read. * The driver supports only sequential reads. * * The driver looks at a write to the driver for the single word "reset". @@ -186,7 +186,7 @@ static int __init scanlog_init(void) if (!data) goto err; - ent = proc_create_data("ppc64/rtas/scan-log-dump", S_IRUSR, NULL, + ent = proc_create_data("powerpc/rtas/scan-log-dump", S_IRUSR, NULL, &scanlog_fops, data); if (!ent) goto err; diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 440000c..8868c01 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -48,6 +48,7 @@ #include "plpar_wrappers.h" #include "pseries.h" #include "xics.h" +#include "offline_states.h" /* @@ -84,6 +85,9 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) /* Fixup atomic count: it exited inside IRQ handler. */ task_thread_info(paca[lcpu].__current)->preempt_count = 0; + if (get_cpu_current_state(lcpu) == CPU_STATE_INACTIVE) + goto out; + /* * If the RTAS start-cpu token does not exist then presume the * cpu is already spinning. @@ -98,6 +102,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) return 0; } +out: return 1; } @@ -111,12 +116,16 @@ static void __devinit smp_xics_setup_cpu(int cpu) vpa_init(cpu); cpu_clear(cpu, of_spin_map); + set_cpu_current_state(cpu, CPU_STATE_ONLINE); + set_default_offline_state(cpu); } #endif /* CONFIG_XICS */ static void __devinit smp_pSeries_kick_cpu(int nr) { + long rc; + unsigned long hcpuid; BUG_ON(nr < 0 || nr >= NR_CPUS); if (!smp_startup_cpu(nr)) @@ -128,6 +137,16 @@ static void __devinit smp_pSeries_kick_cpu(int nr) * the processor will continue on to secondary_start */ paca[nr].cpu_start = 1; + + set_preferred_offline_state(nr, CPU_STATE_ONLINE); + + if (get_cpu_current_state(nr) == CPU_STATE_INACTIVE) { + hcpuid = get_hard_smp_processor_id(nr); + rc = plpar_hcall_norets(H_PROD, hcpuid); + if (rc != H_SUCCESS) + panic("Error: Prod to wake up processor %d Ret= %ld\n", + nr, rc); + } } static int smp_pSeries_cpu_bootable(unsigned int nr) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index b9bf0ee..b9b9e11 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -20,6 +20,7 @@ #include <linux/cpu.h> #include <linux/msi.h> #include <linux/of.h> +#include <linux/percpu.h> #include <asm/firmware.h> #include <asm/io.h> @@ -46,6 +47,12 @@ static struct irq_host *xics_host; */ #define IPI_PRIORITY 4 +/* The least favored priority */ +#define LOWEST_PRIORITY 0xFF + +/* The number of priorities defined above */ +#define MAX_NUM_PRIORITIES 3 + static unsigned int default_server = 0xFF; static unsigned int default_distrib_server = 0; static unsigned int interrupt_server_size = 8; @@ -56,6 +63,12 @@ static int ibm_set_xive; static int ibm_int_on; static int ibm_int_off; +struct xics_cppr { + unsigned char stack[MAX_NUM_PRIORITIES]; + int index; +}; + +static DEFINE_PER_CPU(struct xics_cppr, xics_cppr); /* Direct hardware low level accessors */ @@ -157,7 +170,7 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check) cpumask_t cpumask; cpumask_t tmp = CPU_MASK_NONE; - cpumask_copy(&cpumask, irq_desc[virq].affinity); + cpumask_copy(&cpumask, irq_to_desc(virq)->affinity); if (!distribute_irqs) return default_server; @@ -284,6 +297,19 @@ static inline unsigned int xics_xirr_vector(unsigned int xirr) return xirr & 0x00ffffff; } +static void push_cppr(unsigned int vec) +{ + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + + if (WARN_ON(os_cppr->index >= MAX_NUM_PRIORITIES - 1)) + return; + + if (vec == XICS_IPI) + os_cppr->stack[++os_cppr->index] = IPI_PRIORITY; + else + os_cppr->stack[++os_cppr->index] = DEFAULT_PRIORITY; +} + static unsigned int xics_get_irq_direct(void) { unsigned int xirr = direct_xirr_info_get(); @@ -294,8 +320,10 @@ static unsigned int xics_get_irq_direct(void) return NO_IRQ; irq = irq_radix_revmap_lookup(xics_host, vec); - if (likely(irq != NO_IRQ)) + if (likely(irq != NO_IRQ)) { + push_cppr(vec); return irq; + } /* We don't have a linux mapping, so have rtas mask it. */ xics_mask_unknown_vec(vec); @@ -315,8 +343,10 @@ static unsigned int xics_get_irq_lpar(void) return NO_IRQ; irq = irq_radix_revmap_lookup(xics_host, vec); - if (likely(irq != NO_IRQ)) + if (likely(irq != NO_IRQ)) { + push_cppr(vec); return irq; + } /* We don't have a linux mapping, so have RTAS mask it. */ xics_mask_unknown_vec(vec); @@ -326,12 +356,22 @@ static unsigned int xics_get_irq_lpar(void) return NO_IRQ; } +static unsigned char pop_cppr(void) +{ + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + + if (WARN_ON(os_cppr->index < 1)) + return LOWEST_PRIORITY; + + return os_cppr->stack[--os_cppr->index]; +} + static void xics_eoi_direct(unsigned int virq) { unsigned int irq = (unsigned int)irq_map[virq].hwirq; iosync(); - direct_xirr_info_set((0xff << 24) | irq); + direct_xirr_info_set((pop_cppr() << 24) | irq); } static void xics_eoi_lpar(unsigned int virq) @@ -339,7 +379,7 @@ static void xics_eoi_lpar(unsigned int virq) unsigned int irq = (unsigned int)irq_map[virq].hwirq; iosync(); - lpar_xirr_info_set((0xff << 24) | irq); + lpar_xirr_info_set((pop_cppr() << 24) | irq); } static int xics_set_affinity(unsigned int virq, const struct cpumask *cpumask) @@ -388,7 +428,7 @@ static int xics_set_affinity(unsigned int virq, const struct cpumask *cpumask) } static struct irq_chip xics_pic_direct = { - .typename = " XICS ", + .name = " XICS ", .startup = xics_startup, .mask = xics_mask_irq, .unmask = xics_unmask_irq, @@ -397,7 +437,7 @@ static struct irq_chip xics_pic_direct = { }; static struct irq_chip xics_pic_lpar = { - .typename = " XICS ", + .name = " XICS ", .startup = xics_startup, .mask = xics_mask_irq, .unmask = xics_unmask_irq, @@ -428,13 +468,13 @@ static int xics_host_map(struct irq_host *h, unsigned int virq, /* Insert the interrupt mapping into the radix tree for fast lookup */ irq_radix_revmap_insert(xics_host, virq, hw); - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, xics_irq_chip, handle_fasteoi_irq); return 0; } static int xics_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { @@ -746,6 +786,12 @@ void __init xics_init_IRQ(void) static void xics_set_cpu_priority(unsigned char cppr) { + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + + BUG_ON(os_cppr->index != 0); + + os_cppr->stack[os_cppr->index] = cppr; + if (firmware_has_feature(FW_FEATURE_LPAR)) lpar_cppr_info(cppr); else @@ -772,7 +818,7 @@ static void xics_set_cpu_giq(unsigned int gserver, unsigned int join) void xics_setup_cpu(void) { - xics_set_cpu_priority(0xff); + xics_set_cpu_priority(LOWEST_PRIORITY); xics_set_cpu_giq(default_distrib_server, 1); } @@ -852,7 +898,7 @@ void xics_migrate_irqs_away(void) /* We need to get IPIs still. */ if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) continue; - desc = get_irq_desc(virq); + desc = irq_to_desc(virq); /* We only need to migrate enabled IRQS */ if (desc == NULL || desc->chip == NULL @@ -860,7 +906,7 @@ void xics_migrate_irqs_away(void) || desc->chip->set_affinity == NULL) continue; - spin_lock_irqsave(&desc->lock, flags); + raw_spin_lock_irqsave(&desc->lock, flags); status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq); if (status) { @@ -881,10 +927,10 @@ void xics_migrate_irqs_away(void) virq, cpu); /* Reset affinity to all cpus */ - cpumask_setall(irq_desc[virq].affinity); + cpumask_setall(irq_to_desc(virq)->affinity); desc->chip->set_affinity(virq, cpu_all_mask); unlock: - spin_unlock_irqrestore(&desc->lock, flags); + raw_spin_unlock_irqrestore(&desc->lock, flags); } } #endif diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 9d4b174..5642924 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_U3_DART) += dart_iommu.o obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o obj-$(CONFIG_FSL_SOC) += fsl_soc.o obj-$(CONFIG_FSL_PCI) += fsl_pci.o $(fsl-msi-obj-y) +obj-$(CONFIG_FSL_PMC) += fsl_pmc.o obj-$(CONFIG_FSL_LBC) += fsl_lbc.o obj-$(CONFIG_FSL_GTM) += fsl_gtm.o obj-$(CONFIG_MPC8xxx_GPIO) += mpc8xxx_gpio.o diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index 82424cd..a4b41db 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -77,7 +77,7 @@ static void cpm_end_irq(unsigned int irq) } static struct irq_chip cpm_pic = { - .typename = " CPM PIC ", + .name = " CPM PIC ", .mask = cpm_mask_irq, .unmask = cpm_unmask_irq, .eoi = cpm_end_irq, @@ -102,7 +102,7 @@ static int cpm_pic_host_map(struct irq_host *h, unsigned int virq, { pr_debug("cpm_pic_host_map(%d, 0x%lx)\n", virq, hw); - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &cpm_pic, handle_fasteoi_irq); return 0; } diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index 78f1f7c..971483f 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -115,11 +115,13 @@ static void cpm2_ack(unsigned int virq) static void cpm2_end_irq(unsigned int virq) { + struct irq_desc *desc; int bit, word; unsigned int irq_nr = virq_to_hw(virq); - if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS)) - && irq_desc[irq_nr].action) { + desc = irq_to_desc(irq_nr); + if (!(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)) + && desc->action) { bit = irq_to_siubit[irq_nr]; word = irq_to_siureg[irq_nr]; @@ -138,7 +140,7 @@ static void cpm2_end_irq(unsigned int virq) static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type) { unsigned int src = virq_to_hw(virq); - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); unsigned int vold, vnew, edibit; if (flow_type == IRQ_TYPE_NONE) @@ -182,7 +184,7 @@ static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type) } static struct irq_chip cpm2_pic = { - .typename = " CPM2 SIU ", + .name = " CPM2 SIU ", .mask = cpm2_mask_irq, .unmask = cpm2_unmask_irq, .ack = cpm2_ack, @@ -210,13 +212,13 @@ static int cpm2_pic_host_map(struct irq_host *h, unsigned int virq, { pr_debug("cpm2_pic_host_map(%d, 0x%lx)\n", virq, hw); - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &cpm2_pic, handle_level_irq); return 0; } static int cpm2_pic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { *out_hwirq = intspec[0]; diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c index e4b6d66..9de72c9 100644 --- a/arch/powerpc/sysdev/cpm_common.c +++ b/arch/powerpc/sysdev/cpm_common.c @@ -72,7 +72,7 @@ static phys_addr_t muram_pbase; /* Max address size we deal with */ #define OF_MAX_ADDR_CELLS 4 -int __init cpm_muram_init(void) +int cpm_muram_init(void) { struct device_node *np; struct resource r; @@ -81,6 +81,9 @@ int __init cpm_muram_init(void) int i = 0; int ret = 0; + if (muram_pbase) + return 0; + spin_lock_init(&cpm_muram_lock); /* initialize the info header */ rh_init(&cpm_muram_info, 1, diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index ae3c4db..bafc3f8 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -160,7 +160,7 @@ static int dart_build(struct iommu_table *tbl, long index, dp = ((unsigned int*)tbl->it_base) + index; - /* On U3, all memory is contigous, so we can move this + /* On U3, all memory is contiguous, so we can move this * out of the loop. */ l = npages; diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index da38a1f..c6e11b0 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -47,7 +47,7 @@ static struct irq_chip fsl_msi_chip = { .mask = mask_msi_irq, .unmask = unmask_msi_irq, .ack = fsl_msi_end_irq, - .typename = " FSL-MSI ", + .name = " FSL-MSI ", }; static int fsl_msi_host_map(struct irq_host *h, unsigned int virq, @@ -55,7 +55,7 @@ static int fsl_msi_host_map(struct irq_host *h, unsigned int virq, { struct irq_chip *chip = &fsl_msi_chip; - get_irq_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING; + irq_to_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING; set_irq_chip_and_handler(virq, chip, handle_edge_irq); @@ -173,7 +173,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) u32 intr_index; u32 have_shift = 0; - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); if ((msi_data->feature & FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) { if (desc->chip->mask_ack) desc->chip->mask_ack(irq); @@ -225,7 +225,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) break; } unlock: - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); } static int __devinit fsl_of_msi_probe(struct of_device *dev, diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index ae88b14..4e3a3e3 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -56,7 +56,7 @@ static int __init fsl_pcie_check_link(struct pci_controller *hose) return 0; } -#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx) +#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx) static int __init setup_one_atmu(struct ccsr_pci __iomem *pci, unsigned int index, const struct resource *res, resource_size_t offset) @@ -392,9 +392,23 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8536, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8610, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1011E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1011, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1013E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1013, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1020E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1020, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1022E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1022, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020E, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020, quirk_fsl_pcie_header); -#endif /* CONFIG_PPC_85xx || CONFIG_PPC_86xx */ +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080, quirk_fsl_pcie_header); +#endif /* CONFIG_FSL_SOC_BOOKE || CONFIG_PPC_86xx */ #if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x) DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8314E, quirk_fsl_pcie_header); diff --git a/arch/powerpc/sysdev/fsl_pmc.c b/arch/powerpc/sysdev/fsl_pmc.c new file mode 100644 index 0000000..a7635a9 --- /dev/null +++ b/arch/powerpc/sysdev/fsl_pmc.c @@ -0,0 +1,88 @@ +/* + * Suspend/resume support + * + * Copyright 2009 MontaVista Software, Inc. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/init.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/suspend.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/of_platform.h> + +struct pmc_regs { + __be32 devdisr; + __be32 devdisr2; + __be32 :32; + __be32 :32; + __be32 pmcsr; +#define PMCSR_SLP (1 << 17) +}; + +static struct device *pmc_dev; +static struct pmc_regs __iomem *pmc_regs; + +static int pmc_suspend_enter(suspend_state_t state) +{ + int ret; + + setbits32(&pmc_regs->pmcsr, PMCSR_SLP); + /* At this point, the CPU is asleep. */ + + /* Upon resume, wait for SLP bit to be clear. */ + ret = spin_event_timeout((in_be32(&pmc_regs->pmcsr) & PMCSR_SLP) == 0, + 10000, 10) ? 0 : -ETIMEDOUT; + if (ret) + dev_err(pmc_dev, "tired waiting for SLP bit to clear\n"); + return ret; +} + +static int pmc_suspend_valid(suspend_state_t state) +{ + if (state != PM_SUSPEND_STANDBY) + return 0; + return 1; +} + +static struct platform_suspend_ops pmc_suspend_ops = { + .valid = pmc_suspend_valid, + .enter = pmc_suspend_enter, +}; + +static int pmc_probe(struct of_device *ofdev, const struct of_device_id *id) +{ + pmc_regs = of_iomap(ofdev->node, 0); + if (!pmc_regs) + return -ENOMEM; + + pmc_dev = &ofdev->dev; + suspend_set_ops(&pmc_suspend_ops); + return 0; +} + +static const struct of_device_id pmc_ids[] = { + { .compatible = "fsl,mpc8548-pmc", }, + { .compatible = "fsl,mpc8641d-pmc", }, + { }, +}; + +static struct of_platform_driver pmc_driver = { + .driver.name = "fsl-pmc", + .match_table = pmc_ids, + .probe = pmc_probe, +}; + +static int __init pmc_init(void) +{ + return of_register_platform_driver(&pmc_driver); +} +device_initcall(pmc_init); diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index adca4af..b91f7ac 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -372,7 +372,7 @@ err: arch_initcall(fsl_usb_of_init); -#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx) +#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx) static __be32 __iomem *rstcr; static int __init setup_rstcr(void) diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c index a96584a..0a55db8 100644 --- a/arch/powerpc/sysdev/i8259.c +++ b/arch/powerpc/sysdev/i8259.c @@ -135,7 +135,7 @@ static void i8259_unmask_irq(unsigned int irq_nr) } static struct irq_chip i8259_pic = { - .typename = " i8259 ", + .name = " i8259 ", .mask = i8259_mask_irq, .disable = i8259_mask_irq, .unmask = i8259_unmask_irq, @@ -175,12 +175,12 @@ static int i8259_host_map(struct irq_host *h, unsigned int virq, /* We block the internal cascade */ if (hw == 2) - get_irq_desc(virq)->status |= IRQ_NOREQUEST; + irq_to_desc(virq)->status |= IRQ_NOREQUEST; /* We use the level handler only for now, we might want to * be more cautious here but that works for now */ - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &i8259_pic, handle_level_irq); return 0; } @@ -198,7 +198,7 @@ static void i8259_host_unmap(struct irq_host *h, unsigned int virq) } static int i8259_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { static unsigned char map_isa_senses[4] = { diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index cb7689c..28cdddd 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -605,7 +605,7 @@ static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type) { struct ipic *ipic = ipic_from_irq(virq); unsigned int src = ipic_irq_to_hw(virq); - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); unsigned int vold, vnew, edibit; if (flow_type == IRQ_TYPE_NONE) @@ -660,7 +660,7 @@ static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type) /* level interrupts and edge interrupts have different ack operations */ static struct irq_chip ipic_level_irq_chip = { - .typename = " IPIC ", + .name = " IPIC ", .unmask = ipic_unmask_irq, .mask = ipic_mask_irq, .mask_ack = ipic_mask_irq, @@ -668,7 +668,7 @@ static struct irq_chip ipic_level_irq_chip = { }; static struct irq_chip ipic_edge_irq_chip = { - .typename = " IPIC ", + .name = " IPIC ", .unmask = ipic_unmask_irq, .mask = ipic_mask_irq, .mask_ack = ipic_mask_irq_and_ack, @@ -697,7 +697,7 @@ static int ipic_host_map(struct irq_host *h, unsigned int virq, } static int ipic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c index 5d2d552..69bd6f4 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.c +++ b/arch/powerpc/sysdev/mpc8xx_pic.c @@ -72,7 +72,7 @@ static void mpc8xx_end_irq(unsigned int virq) static int mpc8xx_set_irq_type(unsigned int virq, unsigned int flow_type) { - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; @@ -94,7 +94,7 @@ static int mpc8xx_set_irq_type(unsigned int virq, unsigned int flow_type) } static struct irq_chip mpc8xx_pic = { - .typename = " MPC8XX SIU ", + .name = " MPC8XX SIU ", .unmask = mpc8xx_unmask_irq, .mask = mpc8xx_mask_irq, .ack = mpc8xx_ack, @@ -130,7 +130,7 @@ static int mpc8xx_pic_host_map(struct irq_host *h, unsigned int virq, static int mpc8xx_pic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { static unsigned char map_pic_senses[4] = { diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 30c44e6..aa9d06e 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -572,7 +572,7 @@ static int irq_choose_cpu(unsigned int virt_irq) cpumask_t mask; int cpuid; - cpumask_copy(&mask, irq_desc[virt_irq].affinity); + cpumask_copy(&mask, irq_to_desc(virt_irq)->affinity); if (cpus_equal(mask, CPU_MASK_ALL)) { static int irq_rover; static DEFINE_SPINLOCK(irq_rover_lock); @@ -621,7 +621,7 @@ static struct mpic *mpic_find(unsigned int irq) if (irq < NUM_ISA_INTERRUPTS) return NULL; - return irq_desc[irq].chip_data; + return irq_to_desc(irq)->chip_data; } /* Determine if the linux irq is an IPI */ @@ -648,14 +648,14 @@ static inline u32 mpic_physmask(u32 cpumask) /* Get the mpic structure from the IPI number */ static inline struct mpic * mpic_from_ipi(unsigned int ipi) { - return irq_desc[ipi].chip_data; + return irq_to_desc(ipi)->chip_data; } #endif /* Get the mpic structure from the irq number */ static inline struct mpic * mpic_from_irq(unsigned int irq) { - return irq_desc[irq].chip_data; + return irq_to_desc(irq)->chip_data; } /* Send an EOI */ @@ -735,7 +735,7 @@ static void mpic_unmask_ht_irq(unsigned int irq) mpic_unmask_irq(irq); - if (irq_desc[irq].status & IRQ_LEVEL) + if (irq_to_desc(irq)->status & IRQ_LEVEL) mpic_ht_end_irq(mpic, src); } @@ -745,7 +745,7 @@ static unsigned int mpic_startup_ht_irq(unsigned int irq) unsigned int src = mpic_irq_to_hw(irq); mpic_unmask_irq(irq); - mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status); + mpic_startup_ht_interrupt(mpic, src, irq_to_desc(irq)->status); return 0; } @@ -755,7 +755,7 @@ static void mpic_shutdown_ht_irq(unsigned int irq) struct mpic *mpic = mpic_from_irq(irq); unsigned int src = mpic_irq_to_hw(irq); - mpic_shutdown_ht_interrupt(mpic, src, irq_desc[irq].status); + mpic_shutdown_ht_interrupt(mpic, src, irq_to_desc(irq)->status); mpic_mask_irq(irq); } @@ -772,7 +772,7 @@ static void mpic_end_ht_irq(unsigned int irq) * latched another edge interrupt coming in anyway */ - if (irq_desc[irq].status & IRQ_LEVEL) + if (irq_to_desc(irq)->status & IRQ_LEVEL) mpic_ht_end_irq(mpic, src); mpic_eoi(mpic); } @@ -856,7 +856,7 @@ int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) { struct mpic *mpic = mpic_from_irq(virq); unsigned int src = mpic_irq_to_hw(virq); - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); unsigned int vecpri, vold, vnew; DBG("mpic: set_irq_type(mpic:@%p,virq:%d,src:0x%x,type:0x%x)\n", @@ -994,7 +994,7 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq, } static int mpic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { @@ -1062,19 +1062,19 @@ struct mpic * __init mpic_alloc(struct device_node *node, mpic->name = name; mpic->hc_irq = mpic_irq_chip; - mpic->hc_irq.typename = name; + mpic->hc_irq.name = name; if (flags & MPIC_PRIMARY) mpic->hc_irq.set_affinity = mpic_set_affinity; #ifdef CONFIG_MPIC_U3_HT_IRQS mpic->hc_ht_irq = mpic_irq_ht_chip; - mpic->hc_ht_irq.typename = name; + mpic->hc_ht_irq.name = name; if (flags & MPIC_PRIMARY) mpic->hc_ht_irq.set_affinity = mpic_set_affinity; #endif /* CONFIG_MPIC_U3_HT_IRQS */ #ifdef CONFIG_SMP mpic->hc_ipi = mpic_ipi_chip; - mpic->hc_ipi.typename = name; + mpic->hc_ipi.name = name; #endif /* CONFIG_SMP */ mpic->flags = flags; diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c index 656cb77..0f6ab06 100644 --- a/arch/powerpc/sysdev/mpic_pasemi_msi.c +++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c @@ -60,7 +60,7 @@ static struct irq_chip mpic_pasemi_msi_chip = { .eoi = mpic_end_irq, .set_type = mpic_set_irq_type, .set_affinity = mpic_set_affinity, - .typename = "PASEMI-MSI ", + .name = "PASEMI-MSI ", }; static int pasemi_msi_check_device(struct pci_dev *pdev, int nvec, int type) diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c index 0a8f5a9..d3caf23 100644 --- a/arch/powerpc/sysdev/mpic_u3msi.c +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -42,7 +42,7 @@ static struct irq_chip mpic_u3msi_chip = { .eoi = mpic_end_irq, .set_type = mpic_set_irq_type, .set_affinity = mpic_set_affinity, - .typename = "MPIC-U3MSI", + .name = "MPIC-U3MSI", }; static u64 read_ht_magic_addr(struct pci_dev *pdev, unsigned int pos) diff --git a/arch/powerpc/sysdev/mv64x60_pic.c b/arch/powerpc/sysdev/mv64x60_pic.c index 2aa4ed0..485b924 100644 --- a/arch/powerpc/sysdev/mv64x60_pic.c +++ b/arch/powerpc/sysdev/mv64x60_pic.c @@ -213,7 +213,7 @@ static int mv64x60_host_map(struct irq_host *h, unsigned int virq, { int level1; - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; level1 = (hwirq & MV64x60_LEVEL1_MASK) >> MV64x60_LEVEL1_OFFSET; BUG_ON(level1 > MV64x60_LEVEL1_GPP); diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 464271b..149393c 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -27,6 +27,8 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/crc32.h> +#include <linux/mod_devicetable.h> +#include <linux/of_platform.h> #include <asm/irq.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -65,19 +67,6 @@ static unsigned int qe_num_of_snum; static phys_addr_t qebase = -1; -int qe_alive_during_sleep(void) -{ - static int ret = -1; - - if (ret != -1) - return ret; - - ret = !of_find_compatible_node(NULL, NULL, "fsl,mpc8569-pmc"); - - return ret; -} -EXPORT_SYMBOL(qe_alive_during_sleep); - phys_addr_t get_qe_base(void) { struct device_node *qe; @@ -104,7 +93,7 @@ phys_addr_t get_qe_base(void) EXPORT_SYMBOL(get_qe_base); -void __init qe_reset(void) +void qe_reset(void) { if (qe_immr == NULL) qe_immr = ioremap(get_qe_base(), QE_IMMAP_SIZE); @@ -330,16 +319,18 @@ EXPORT_SYMBOL(qe_put_snum); static int qe_sdma_init(void) { struct sdma __iomem *sdma = &qe_immr->sdma; - unsigned long sdma_buf_offset; + static unsigned long sdma_buf_offset = (unsigned long)-ENOMEM; if (!sdma) return -ENODEV; /* allocate 2 internal temporary buffers (512 bytes size each) for * the SDMA */ - sdma_buf_offset = qe_muram_alloc(512 * 2, 4096); - if (IS_ERR_VALUE(sdma_buf_offset)) - return -ENOMEM; + if (IS_ERR_VALUE(sdma_buf_offset)) { + sdma_buf_offset = qe_muram_alloc(512 * 2, 4096); + if (IS_ERR_VALUE(sdma_buf_offset)) + return -ENOMEM; + } out_be32(&sdma->sdebcr, (u32) sdma_buf_offset & QE_SDEBCR_BA_MASK); out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK | @@ -349,7 +340,7 @@ static int qe_sdma_init(void) } /* The maximum number of RISCs we support */ -#define MAX_QE_RISC 2 +#define MAX_QE_RISC 4 /* Firmware information stored here for qe_get_firmware_info() */ static struct qe_firmware_info qe_firmware_info; @@ -658,3 +649,35 @@ unsigned int qe_get_num_of_snums(void) return num_of_snums; } EXPORT_SYMBOL(qe_get_num_of_snums); + +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx) +static int qe_resume(struct of_device *ofdev) +{ + if (!qe_alive_during_sleep()) + qe_reset(); + return 0; +} + +static int qe_probe(struct of_device *ofdev, const struct of_device_id *id) +{ + return 0; +} + +static const struct of_device_id qe_ids[] = { + { .compatible = "fsl,qe", }, + { }, +}; + +static struct of_platform_driver qe_driver = { + .driver.name = "fsl-qe", + .match_table = qe_ids, + .probe = qe_probe, + .resume = qe_resume, +}; + +static int __init qe_drv_init(void) +{ + return of_register_platform_driver(&qe_driver); +} +device_initcall(qe_drv_init); +#endif /* defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx) */ diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c index 3faa42e..2acc928 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_ic.c +++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c @@ -189,7 +189,7 @@ static inline void qe_ic_write(volatile __be32 __iomem * base, unsigned int reg static inline struct qe_ic *qe_ic_from_irq(unsigned int virq) { - return irq_desc[virq].chip_data; + return irq_to_desc(virq)->chip_data; } #define virq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq) @@ -237,7 +237,7 @@ static void qe_ic_mask_irq(unsigned int virq) } static struct irq_chip qe_ic_irq_chip = { - .typename = " QEIC ", + .name = " QEIC ", .unmask = qe_ic_unmask_irq, .mask = qe_ic_mask_irq, .mask_ack = qe_ic_mask_irq, @@ -263,7 +263,7 @@ static int qe_ic_host_map(struct irq_host *h, unsigned int virq, chip = &qe_ic->hc_irq; set_irq_chip_data(virq, qe_ic); - get_irq_desc(virq)->status |= IRQ_LEVEL; + irq_to_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, chip, handle_level_irq); @@ -271,7 +271,7 @@ static int qe_ic_host_map(struct irq_host *h, unsigned int virq, } static int qe_ic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 * intspec, unsigned int intsize, + const u32 * intspec, unsigned int intsize, irq_hw_number_t * out_hwirq, unsigned int *out_flags) { diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index cf244a4..595034c 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -376,7 +376,7 @@ static void tsi108_pci_irq_end(u_int irq) */ static struct irq_chip tsi108_pci_irq = { - .typename = "tsi108_PCI_int", + .name = "tsi108_PCI_int", .mask = tsi108_pci_irq_disable, .ack = tsi108_pci_irq_ack, .end = tsi108_pci_irq_end, @@ -384,7 +384,7 @@ static struct irq_chip tsi108_pci_irq = { }; static int pci_irq_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { *out_hwirq = intspec[0]; @@ -398,7 +398,7 @@ static int pci_irq_host_map(struct irq_host *h, unsigned int virq, DBG("%s(%d, 0x%lx)\n", __func__, virq, hw); if ((virq >= 1) && (virq <= 4)){ irq = virq + IRQ_PCI_INTAD_BASE - 1; - get_irq_desc(irq)->status |= IRQ_LEVEL; + irq_to_desc(irq)->status |= IRQ_LEVEL; set_irq_chip(irq, &tsi108_pci_irq); } return 0; diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 466ce9a..6f220a9 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -57,7 +57,7 @@ struct uic { static void uic_unmask_irq(unsigned int virq) { - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); struct uic *uic = get_irq_chip_data(virq); unsigned int src = uic_irq_to_hw(virq); unsigned long flags; @@ -101,7 +101,7 @@ static void uic_ack_irq(unsigned int virq) static void uic_mask_ack_irq(unsigned int virq) { - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); struct uic *uic = get_irq_chip_data(virq); unsigned int src = uic_irq_to_hw(virq); unsigned long flags; @@ -129,7 +129,7 @@ static int uic_set_irq_type(unsigned int virq, unsigned int flow_type) { struct uic *uic = get_irq_chip_data(virq); unsigned int src = uic_irq_to_hw(virq); - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); unsigned long flags; int trigger, polarity; u32 tr, pr, mask; @@ -177,7 +177,7 @@ static int uic_set_irq_type(unsigned int virq, unsigned int flow_type) } static struct irq_chip uic_irq_chip = { - .typename = " UIC ", + .name = " UIC ", .unmask = uic_unmask_irq, .mask = uic_mask_irq, .mask_ack = uic_mask_ack_irq, @@ -202,7 +202,7 @@ static int uic_host_map(struct irq_host *h, unsigned int virq, } static int uic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_type) { @@ -225,12 +225,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc) int src; int subvirq; - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); if (desc->status & IRQ_LEVEL) desc->chip->mask(virq); else desc->chip->mask_ack(virq); - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); msr = mfdcr(uic->dcrbase + UIC_MSR); if (!msr) /* spurious interrupt */ @@ -242,12 +242,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc) generic_handle_irq(subvirq); uic_irq_ret: - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); if (desc->status & IRQ_LEVEL) desc->chip->ack(virq); if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask) desc->chip->unmask(virq); - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); } static struct uic * __init uic_init_one(struct device_node *node) diff --git a/arch/powerpc/sysdev/xilinx_intc.c b/arch/powerpc/sysdev/xilinx_intc.c index 40edad52..1e0ccfa 100644 --- a/arch/powerpc/sysdev/xilinx_intc.c +++ b/arch/powerpc/sysdev/xilinx_intc.c @@ -79,7 +79,7 @@ static void xilinx_intc_mask(unsigned int virq) static int xilinx_intc_set_type(unsigned int virq, unsigned int flow_type) { - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; @@ -106,7 +106,7 @@ static void xilinx_intc_level_unmask(unsigned int virq) } static struct irq_chip xilinx_intc_level_irqchip = { - .typename = "Xilinx Level INTC", + .name = "Xilinx Level INTC", .mask = xilinx_intc_mask, .mask_ack = xilinx_intc_mask, .unmask = xilinx_intc_level_unmask, @@ -133,7 +133,7 @@ static void xilinx_intc_edge_ack(unsigned int virq) } static struct irq_chip xilinx_intc_edge_irqchip = { - .typename = "Xilinx Edge INTC", + .name = "Xilinx Edge INTC", .mask = xilinx_intc_mask, .unmask = xilinx_intc_edge_unmask, .ack = xilinx_intc_edge_ack, @@ -148,7 +148,7 @@ static struct irq_chip xilinx_intc_edge_irqchip = { * xilinx_intc_xlate - translate virq# from device tree interrupts property */ static int xilinx_intc_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index bdbe96c..4e6152c 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1641,7 +1641,8 @@ static void super_regs(void) ptrLpPaca->saved_srr0, ptrLpPaca->saved_srr1); printf(" Saved Gpr3=%.16lx Saved Gpr4=%.16lx \n", ptrLpPaca->saved_gpr3, ptrLpPaca->saved_gpr4); - printf(" Saved Gpr5=%.16lx \n", ptrLpPaca->saved_gpr5); + printf(" Saved Gpr5=%.16lx \n", + ptrLpPaca->gpr5_dword.saved_gpr5); } #endif |
