diff options
Diffstat (limited to 'arch/powerpc/platforms')
29 files changed, 364 insertions, 56 deletions
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index 326852c..4dac9b0 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -12,7 +12,7 @@ config PPC_MPC5121 config MPC5121_ADS bool "Freescale MPC5121E ADS" - depends on PPC_MULTIPLATFORM && PPC32 + depends on 6xx select DEFAULT_UIMAGE select PPC_MPC5121 select MPC5121_ADS_CPLD @@ -21,7 +21,7 @@ config MPC5121_ADS config MPC5121_GENERIC bool "Generic support for simple MPC5121 based boards" - depends on PPC_MULTIPLATFORM && PPC32 + depends on 6xx select DEFAULT_UIMAGE select PPC_MPC5121 help diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig index 75f82ab..8b8e956 100644 --- a/arch/powerpc/platforms/52xx/Kconfig +++ b/arch/powerpc/platforms/52xx/Kconfig @@ -1,6 +1,6 @@ config PPC_MPC52xx bool "52xx-based boards" - depends on PPC_MULTIPLATFORM && PPC32 + depends on 6xx select PPC_CLOCK select PPC_PCI_CHOICE diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig index 30f008b..7c7df400 100644 --- a/arch/powerpc/platforms/82xx/Kconfig +++ b/arch/powerpc/platforms/82xx/Kconfig @@ -1,6 +1,6 @@ menuconfig PPC_82xx bool "82xx-based boards (PQ II)" - depends on 6xx && PPC_MULTIPLATFORM + depends on 6xx if PPC_82xx diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 83c664a..437d29a 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -1,6 +1,6 @@ menuconfig PPC_83xx bool "83xx-based boards" - depends on 6xx && PPC_MULTIPLATFORM + depends on 6xx select PPC_UDBG_16550 select PPC_PCI_CHOICE select FSL_PCI if PCI diff --git a/arch/powerpc/platforms/85xx/ksi8560.c b/arch/powerpc/platforms/85xx/ksi8560.c index 81cee7b..66f2923 100644 --- a/arch/powerpc/platforms/85xx/ksi8560.c +++ b/arch/powerpc/platforms/85xx/ksi8560.c @@ -106,8 +106,6 @@ static void __init ksi8560_pic_init(void) cpm2_pic_init(np); of_node_put(np); set_irq_chained_handler(irq, cpm2_cascade); - - setup_irq(0, NULL); #endif } diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 79a0df1..cc0b0db 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -21,6 +21,7 @@ #include <asm/page.h> #include <asm/mpic.h> #include <asm/cacheflush.h> +#include <asm/dbell.h> #include <sysdev/fsl_soc.h> @@ -80,10 +81,8 @@ smp_85xx_kick_cpu(int nr) } static void __init -smp_85xx_setup_cpu(int cpu_nr) +smp_85xx_basic_setup(int cpu_nr) { - mpic_setup_this_cpu(); - /* Clear any pending timer interrupts */ mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS); @@ -91,15 +90,43 @@ smp_85xx_setup_cpu(int cpu_nr) mtspr(SPRN_TCR, TCR_DIE); } +static void __init +smp_85xx_setup_cpu(int cpu_nr) +{ + mpic_setup_this_cpu(); + + smp_85xx_basic_setup(cpu_nr); +} + struct smp_ops_t smp_85xx_ops = { - .message_pass = smp_mpic_message_pass, - .probe = smp_mpic_probe, .kick_cpu = smp_85xx_kick_cpu, - .setup_cpu = smp_85xx_setup_cpu, }; -void __init -mpc85xx_smp_init(void) +static int __init smp_dummy_probe(void) { + return NR_CPUS; +} + +void __init mpc85xx_smp_init(void) +{ + struct device_node *np; + + smp_85xx_ops.message_pass = NULL; + + np = of_find_node_by_type(NULL, "open-pic"); + if (np) { + smp_85xx_ops.probe = smp_mpic_probe; + smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu; + smp_85xx_ops.message_pass = smp_mpic_message_pass; + } else { + smp_85xx_ops.probe = smp_dummy_probe; + smp_85xx_ops.setup_cpu = smp_85xx_basic_setup; + } + + if (cpu_has_feature(CPU_FTR_DBELL)) + smp_85xx_ops.message_pass = smp_dbell_message_pass; + + BUG_ON(!smp_85xx_ops.message_pass); + smp_ops = &smp_85xx_ops; } diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index fa276c6..fdaf4dd 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -1,7 +1,7 @@ config PPC_86xx menuconfig PPC_86xx bool "86xx-based boards" - depends on 6xx && PPC_MULTIPLATFORM + depends on 6xx select FSL_SOC select ALTIVEC help @@ -31,6 +31,14 @@ config MPC8610_HPCD help This option enables support for the MPC8610 HPCD board. +config GEF_PPC9A + bool "GE Fanuc PPC9A" + select DEFAULT_UIMAGE + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + help + This option enables support for GE Fanuc's PPC9A. + config GEF_SBC310 bool "GE Fanuc SBC310" select DEFAULT_UIMAGE @@ -56,7 +64,7 @@ config MPC8641 select FSL_PCI if PCI select PPC_UDBG_16550 select MPIC - default y if MPC8641_HPCN || SBC8641D || GEF_SBC610 || GEF_SBC310 + default y if MPC8641_HPCN || SBC8641D || GEF_SBC610 || GEF_SBC310 || GEF_PPC9A config MPC8610 bool diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile index 7c080da..4b0d7b1 100644 --- a/arch/powerpc/platforms/86xx/Makefile +++ b/arch/powerpc/platforms/86xx/Makefile @@ -10,3 +10,4 @@ obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o gef-gpio-$(CONFIG_GPIOLIB) += gef_gpio.o obj-$(CONFIG_GEF_SBC610) += gef_sbc610.o gef_pic.o $(gef-gpio-y) obj-$(CONFIG_GEF_SBC310) += gef_sbc310.o gef_pic.o $(gef-gpio-y) +obj-$(CONFIG_GEF_PPC9A) += gef_ppc9a.o gef_pic.o $(gef-gpio-y) diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c new file mode 100644 index 0000000..830fd9a --- /dev/null +++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c @@ -0,0 +1,223 @@ +/* + * GE Fanuc PPC9A board support + * + * Author: Martyn Welch <martyn.welch@gefanuc.com> + * + * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, 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. + * + * Based on: mpc86xx_hpcn.c (MPC86xx HPCN board specific routines) + * Copyright 2006 Freescale Semiconductor Inc. + * + * NEC fixup adapted from arch/mips/pci/fixup-lm2e.c + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <asm/mpc86xx.h> +#include <asm/prom.h> +#include <mm/mmu_decl.h> +#include <asm/udbg.h> + +#include <asm/mpic.h> + +#include <sysdev/fsl_pci.h> +#include <sysdev/fsl_soc.h> + +#include "mpc86xx.h" +#include "gef_pic.h" + +#undef DEBUG + +#ifdef DEBUG +#define DBG (fmt...) do { printk(KERN_ERR "PPC9A: " fmt); } while (0) +#else +#define DBG (fmt...) do { } while (0) +#endif + +void __iomem *ppc9a_regs; + +static void __init gef_ppc9a_init_irq(void) +{ + struct device_node *cascade_node = NULL; + + mpc86xx_init_irq(); + + /* + * There is a simple interrupt handler in the main FPGA, this needs + * to be cascaded into the MPIC + */ + cascade_node = of_find_compatible_node(NULL, NULL, "gef,fpga-pic-1.00"); + if (!cascade_node) { + printk(KERN_WARNING "PPC9A: No FPGA PIC\n"); + return; + } + + gef_pic_init(cascade_node); + of_node_put(cascade_node); +} + +static void __init gef_ppc9a_setup_arch(void) +{ + struct device_node *regs; +#ifdef CONFIG_PCI + struct device_node *np; + + for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") { + fsl_add_bridge(np, 1); + } +#endif + + printk(KERN_INFO "GE Fanuc Intelligent Platforms PPC9A 6U VME SBC\n"); + +#ifdef CONFIG_SMP + mpc86xx_smp_init(); +#endif + + /* Remap basic board registers */ + regs = of_find_compatible_node(NULL, NULL, "gef,ppc9a-fpga-regs"); + if (regs) { + ppc9a_regs = of_iomap(regs, 0); + if (ppc9a_regs == NULL) + printk(KERN_WARNING "Unable to map board registers\n"); + of_node_put(regs); + } +} + +/* Return the PCB revision */ +static unsigned int gef_ppc9a_get_pcb_rev(void) +{ + unsigned int reg; + + reg = ioread32(ppc9a_regs); + return (reg >> 8) & 0xff; +} + +/* Return the board (software) revision */ +static unsigned int gef_ppc9a_get_board_rev(void) +{ + unsigned int reg; + + reg = ioread32(ppc9a_regs); + return (reg >> 16) & 0xff; +} + +/* Return the FPGA revision */ +static unsigned int gef_ppc9a_get_fpga_rev(void) +{ + unsigned int reg; + + reg = ioread32(ppc9a_regs); + return (reg >> 24) & 0xf; +} + +static void gef_ppc9a_show_cpuinfo(struct seq_file *m) +{ + uint svid = mfspr(SPRN_SVR); + + seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n"); + + seq_printf(m, "Revision\t: %u%c\n", gef_ppc9a_get_pcb_rev(), + ('A' + gef_ppc9a_get_board_rev() - 1)); + seq_printf(m, "FPGA Revision\t: %u\n", gef_ppc9a_get_fpga_rev()); + + seq_printf(m, "SVR\t\t: 0x%x\n", svid); +} + +static void __init gef_ppc9a_nec_fixup(struct pci_dev *pdev) +{ + unsigned int val; + + /* Do not do the fixup on other platforms! */ + if (!machine_is(gef_ppc9a)) + return; + + printk(KERN_INFO "Running NEC uPD720101 Fixup\n"); + + /* Ensure ports 1, 2, 3, 4 & 5 are enabled */ + pci_read_config_dword(pdev, 0xe0, &val); + pci_write_config_dword(pdev, 0xe0, (val & ~7) | 0x5); + + /* System clock is 48-MHz Oscillator and EHCI Enabled. */ + pci_write_config_dword(pdev, 0xe4, 1 << 5); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB, + gef_ppc9a_nec_fixup); + +/* + * Called very early, device-tree isn't unflattened + * + * This function is called to determine whether the BSP is compatible with the + * supplied device-tree, which is assumed to be the correct one for the actual + * board. It is expected thati, in the future, a kernel may support multiple + * boards. + */ +static int __init gef_ppc9a_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "gef,ppc9a")) + return 1; + + return 0; +} + +static long __init mpc86xx_time_init(void) +{ + unsigned int temp; + + /* Set the time base to zero */ + mtspr(SPRN_TBWL, 0); + mtspr(SPRN_TBWU, 0); + + temp = mfspr(SPRN_HID0); + temp |= HID0_TBEN; + mtspr(SPRN_HID0, temp); + asm volatile("isync"); + + return 0; +} + +static __initdata struct of_device_id of_bus_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + printk(KERN_DEBUG "Probe platform devices\n"); + of_platform_bus_probe(NULL, of_bus_ids, NULL); + + return 0; +} +machine_device_initcall(gef_ppc9a, declare_of_platform_devices); + +define_machine(gef_ppc9a) { + .name = "GE Fanuc PPC9A", + .probe = gef_ppc9a_probe, + .setup_arch = gef_ppc9a_setup_arch, + .init_IRQ = gef_ppc9a_init_irq, + .show_cpuinfo = gef_ppc9a_show_cpuinfo, + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .time_init = mpc86xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif +}; diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c index 0f20172..ba3ce43 100644 --- a/arch/powerpc/platforms/86xx/gef_sbc310.c +++ b/arch/powerpc/platforms/86xx/gef_sbc310.c @@ -153,6 +153,10 @@ static void __init gef_sbc310_nec_fixup(struct pci_dev *pdev) { unsigned int val; + /* Do not do the fixup on other platforms! */ + if (!machine_is(gef_sbc310)) + return; + printk(KERN_INFO "Running NEC uPD720101 Fixup\n"); /* Ensure only ports 1 & 2 are enabled */ diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index b4ab372..68b9b8f 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -1,14 +1,5 @@ menu "Platform support" -config PPC_MULTIPLATFORM - bool - depends on PPC64 || 6xx - default y - -config CLASSIC32 - def_bool y - depends on 6xx && PPC_MULTIPLATFORM - source "arch/powerpc/platforms/pseries/Kconfig" source "arch/powerpc/platforms/iseries/Kconfig" source "arch/powerpc/platforms/chrp/Kconfig" @@ -32,12 +23,24 @@ source "arch/powerpc/platforms/amigaone/Kconfig" config PPC_NATIVE bool - depends on PPC_MULTIPLATFORM + depends on 6xx || PPC64 help Support for running natively on the hardware, i.e. without a hypervisor. This option is not user-selectable but should be selected by all platforms that need it. +config PPC_OF_BOOT_TRAMPOLINE + bool "Support booting from Open Firmware or yaboot" + depends on 6xx || PPC64 + default y + help + Support from booting from Open Firmware or yaboot using an + Open Firmware client interface. This enables the kernel to + communicate with open firmware to retrieve system informations + such as the device tree. + + In case of doubt, say Y + config UDBG_RTAS_CONSOLE bool "RTAS based debug console" depends on PPC_RTAS @@ -71,7 +74,7 @@ config PPC_I8259 config U3_DART bool - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 default n config PPC_RTAS @@ -188,7 +191,7 @@ config PPC601_SYNC_FIX config TAU bool "On-chip CPU temperature sensor support" - depends on CLASSIC32 + depends on 6xx help G3 and G4 processors have an on-chip temperature sensor called the 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 9428c0e..9da795e 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -57,9 +57,17 @@ config E200 endchoice +# Until we have a choice of exclusive CPU types on 64-bit, we always +# use PPC_BOOK3S. On 32-bit, this is equivalent to 6xx which is +# "classic" MMU + +config PPC_BOOK3S + def_bool y + depends on PPC64 || 6xx + config POWER4_ONLY bool "Optimize for POWER4" - depends on PPC64 + depends on PPC64 && PPC_BOOK3S default n ---help--- Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. @@ -68,16 +76,16 @@ config POWER4_ONLY config POWER3 bool - depends on PPC64 + depends on PPC64 && PPC_BOOK3S default y if !POWER4_ONLY config POWER4 - depends on PPC64 + depends on PPC64 && PPC_BOOK3S def_bool y config TUNE_CELL bool "Optimize for Cell Broadband Engine" - depends on PPC64 + depends on PPC64 && PPC_BOOK3S help Cause the compiler to optimize for the PPE of the Cell Broadband Engine. This will make the code run considerably faster on Cell @@ -147,7 +155,7 @@ config PHYS_64BIT config ALTIVEC bool "AltiVec Support" - depends on CLASSIC32 || POWER4 + depends on 6xx || POWER4 ---help--- This option enables kernel support for the Altivec extensions to the PowerPC processor. The kernel currently supports saving and restoring diff --git a/arch/powerpc/platforms/amigaone/Kconfig b/arch/powerpc/platforms/amigaone/Kconfig index 9276a96..0224767 100644 --- a/arch/powerpc/platforms/amigaone/Kconfig +++ b/arch/powerpc/platforms/amigaone/Kconfig @@ -1,6 +1,6 @@ config AMIGAONE bool "Eyetech AmigaOne/MAI Teron" - depends on PPC32 && BROKEN_ON_SMP && PPC_MULTIPLATFORM + depends on 6xx && BROKEN_ON_SMP select PPC_I8259 select PPC_INDIRECT_PCI select PPC_UDBG_16550 diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 037f59a..40e24c3 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -23,7 +23,7 @@ config PPC_CELL_NATIVE config PPC_IBM_CELL_BLADE bool "IBM Cell Blade" - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S select PPC_CELL_NATIVE select MMIO_NVRAM select PPC_UDBG_16550 @@ -31,7 +31,7 @@ config PPC_IBM_CELL_BLADE config PPC_CELLEB bool "Toshiba's Cell Reference Set 'Celleb' Architecture" - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S select PPC_CELL_NATIVE select HAS_TXX9_SERIAL select PPC_UDBG_BEAT @@ -40,9 +40,14 @@ config PPC_CELLEB config PPC_CELL_QPACE bool "IBM Cell - QPACE" - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S select PPC_CELL_COMMON +config AXON_MSI + bool + depends on PPC_IBM_CELL_BLADE && PCI_MSI + default y + menu "Cell Broadband Engine options" depends on PPC_CELL diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile index 43eccb2..83fafe9 100644 --- a/arch/powerpc/platforms/cell/Makefile +++ b/arch/powerpc/platforms/cell/Makefile @@ -28,7 +28,7 @@ obj-$(CONFIG_SPU_BASE) += spu_callbacks.o spu_base.o \ $(spu-manage-y) \ spufs/ -obj-$(CONFIG_PCI_MSI) += axon_msi.o +obj-$(CONFIG_AXON_MSI) += axon_msi.o # qpace setup obj-$(CONFIG_PPC_CELL_QPACE) += qpace_setup.o diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 9e4f273..d6a519e 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -568,16 +568,17 @@ spufs_regs_write(struct file *file, const char __user *buffer, struct spu_lscsa *lscsa = ctx->csa.lscsa; int ret; - size = min_t(ssize_t, sizeof lscsa->gprs - *pos, size); - if (size <= 0) + if (*pos >= sizeof(lscsa->gprs)) return -EFBIG; + + size = min_t(ssize_t, sizeof(lscsa->gprs) - *pos, size); *pos += size; ret = spu_acquire_saved(ctx); if (ret) return ret; - ret = copy_from_user(lscsa->gprs + *pos - size, + ret = copy_from_user((char *)lscsa->gprs + *pos - size, buffer, size) ? -EFAULT : size; spu_release_saved(ctx); @@ -623,10 +624,11 @@ spufs_fpcr_write(struct file *file, const char __user * buffer, struct spu_lscsa *lscsa = ctx->csa.lscsa; int ret; - size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size); - if (size <= 0) + if (*pos >= sizeof(lscsa->fpcr)) return -EFBIG; + size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size); + ret = spu_acquire_saved(ctx); if (ret) return ret; diff --git a/arch/powerpc/platforms/chrp/Kconfig b/arch/powerpc/platforms/chrp/Kconfig index 22b4b4e..37d438b 100644 --- a/arch/powerpc/platforms/chrp/Kconfig +++ b/arch/powerpc/platforms/chrp/Kconfig @@ -1,6 +1,6 @@ config PPC_CHRP bool "Common Hardware Reference Platform (CHRP) based machines" - depends on PPC_MULTIPLATFORM && PPC32 + depends on 6xx select MPIC select PPC_I8259 select PPC_INDIRECT_PCI diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 4f9f818..291ac9d 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -1,6 +1,6 @@ config EMBEDDED6xx bool "Embedded 6xx/7xx/7xxx-based boards" - depends on PPC32 && BROKEN_ON_SMP && PPC_MULTIPLATFORM + depends on 6xx && BROKEN_ON_SMP config LINKSTATION bool "Linkstation / Kurobox(HG) from Buffalo" diff --git a/arch/powerpc/platforms/iseries/Kconfig b/arch/powerpc/platforms/iseries/Kconfig index 7ddd0a2..647e877 100644 --- a/arch/powerpc/platforms/iseries/Kconfig +++ b/arch/powerpc/platforms/iseries/Kconfig @@ -1,6 +1,6 @@ config PPC_ISERIES bool "IBM Legacy iSeries" - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S select PPC_INDIRECT_IO select PPC_PCI_CHOICE if EMBEDDED diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index 701d929..94f4447 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -214,7 +214,7 @@ void __init iSeries_activate_IRQs() unsigned long flags; for_each_irq (irq) { - irq_desc_t *desc = get_irq_desc(irq); + struct irq_desc *desc = get_irq_desc(irq); if (desc && desc->chip && desc->chip->startup) { spin_lock_irqsave(&desc->lock, flags); diff --git a/arch/powerpc/platforms/maple/Kconfig b/arch/powerpc/platforms/maple/Kconfig index a6467a5..1ea621a 100644 --- a/arch/powerpc/platforms/maple/Kconfig +++ b/arch/powerpc/platforms/maple/Kconfig @@ -1,5 +1,5 @@ config PPC_MAPLE - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S bool "Maple 970FX Evaluation Board" select PCI select MPIC diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig index 348e061..a2aeb32 100644 --- a/arch/powerpc/platforms/pasemi/Kconfig +++ b/arch/powerpc/platforms/pasemi/Kconfig @@ -1,5 +1,5 @@ config PPC_PASEMI - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S bool "PA Semi SoC-based platforms" default n select MPIC diff --git a/arch/powerpc/platforms/powermac/Kconfig b/arch/powerpc/platforms/powermac/Kconfig index 055990c..1e1a087 100644 --- a/arch/powerpc/platforms/powermac/Kconfig +++ b/arch/powerpc/platforms/powermac/Kconfig @@ -1,6 +1,6 @@ config PPC_PMAC bool "Apple PowerMac based machines" - depends on PPC_MULTIPLATFORM + depends on PPC_BOOK3S select MPIC select PCI select PPC_INDIRECT_PCI if PPC32 diff --git a/arch/powerpc/platforms/powermac/pic.h b/arch/powerpc/platforms/powermac/pic.h index c44c89f..d622a83 100644 --- a/arch/powerpc/platforms/powermac/pic.h +++ b/arch/powerpc/platforms/powermac/pic.h @@ -3,7 +3,7 @@ #include <linux/irq.h> -extern struct hw_interrupt_type pmac_pic; +extern struct irq_chip pmac_pic; extern void pmac_pic_init(void); extern int pmac_get_irq(void); diff --git a/arch/powerpc/platforms/prep/Kconfig b/arch/powerpc/platforms/prep/Kconfig index 29d4112..bf8330e 100644 --- a/arch/powerpc/platforms/prep/Kconfig +++ b/arch/powerpc/platforms/prep/Kconfig @@ -1,6 +1,6 @@ config PPC_PREP bool "PowerPC Reference Platform (PReP) based machines" - depends on PPC_MULTIPLATFORM && PPC32 && BROKEN + depends on 6xx && BROKEN select MPIC select PPC_I8259 select PPC_INDIRECT_PCI diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index 920cf7a..204ae5c 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -1,6 +1,6 @@ config PPC_PS3 bool "Sony PS3" - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S select PPC_CELL select USB_ARCH_HAS_OHCI select USB_OHCI_LITTLE_ENDIAN diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index ddc2a30..c0e6ec2 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -1,5 +1,5 @@ config PPC_PSERIES - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S bool "IBM pSeries & new (POWER5-based) iSeries" select MPIC select PPC_I8259 @@ -25,6 +25,11 @@ config EEH depends on PPC_PSERIES && PCI default y if !EMBEDDED +config PSERIES_MSI + bool + depends on PCI_MSI && EEH + default y + config SCANLOG tristate "Scanlog dump interface" depends on RTAS_PROC && PPC_PSERIES diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index dfe574a..0ce691d 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -15,7 +15,7 @@ obj-$(CONFIG_SCANLOG) += scanlog.o obj-$(CONFIG_EEH) += eeh.o eeh_cache.o eeh_driver.o eeh_event.o eeh_sysfs.o obj-$(CONFIG_KEXEC) += kexec.o obj-$(CONFIG_PCI) += pci.o pci_dlpar.o -obj-$(CONFIG_PCI_MSI) += msi.o +obj-$(CONFIG_PSERIES_MSI) += msi.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug-cpu.o obj-$(CONFIG_MEMORY_HOTPLUG) += hotplug-memory.o diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 3e0d6ef..bf2e1ac 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -356,6 +356,27 @@ static int rtas_msi_check_device(struct pci_dev *pdev, int nvec, int type) return 0; } +static int check_msix_entries(struct pci_dev *pdev) +{ + struct msi_desc *entry; + int expected; + + /* There's no way for us to express to firmware that we want + * a discontiguous, or non-zero based, range of MSI-X entries. + * So we must reject such requests. */ + + expected = 0; + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->msi_attrib.entry_nr != expected) { + pr_debug("rtas_msi: bad MSI-X entries.\n"); + return -EINVAL; + } + expected++; + } + + return 0; +} + static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) { struct pci_dn *pdn; @@ -367,6 +388,9 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) if (!pdn) return -ENODEV; + if (type == PCI_CAP_ID_MSIX && check_msix_entries(pdev)) + return -EINVAL; + /* * Try the new more explicit firmware interface, if that fails fall * back to the old interface. The old interface is known to never |
