diff options
Diffstat (limited to 'arch')
97 files changed, 1251 insertions, 686 deletions
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 9807037..c66129b 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -240,7 +240,7 @@ static void __init update_fec_mac_prop(enum mac_oui oui) macaddr[4] = (val >> 8) & 0xff; macaddr[5] = (val >> 0) & 0xff; - prom_update_property(np, newmac); + of_update_property(np, newmac); } } diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 159e94f..b639852 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -181,7 +181,7 @@ $(BOOT_TARGETS2): vmlinux bootwrapper_install: $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) -%.dtb: +%.dtb: scripts $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) define archhelp diff --git a/arch/powerpc/boot/dts/a3m071.dts b/arch/powerpc/boot/dts/a3m071.dts new file mode 100644 index 0000000..877a28c --- /dev/null +++ b/arch/powerpc/boot/dts/a3m071.dts @@ -0,0 +1,144 @@ +/* + * a3m071 board Device Tree Source + * + * Copyright 2012 Stefan Roese <sr@denx.de> + * + * Copyright (C) 2011 DENX Software Engineering GmbH + * Heiko Schocher <hs@denx.de> + * + * Copyright (C) 2007 Semihalf + * Marian Balakowicz <m8@semihalf.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/ "mpc5200b.dtsi" + +/ { + model = "anonymous,a3m071"; + compatible = "anonymous,a3m071"; + + soc5200@f0000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc5200b-immr"; + ranges = <0 0xf0000000 0x0000c000>; + reg = <0xf0000000 0x00000100>; + bus-frequency = <0>; /* From boot loader */ + system-frequency = <0>; /* From boot loader */ + + timer@600 { + fsl,has-wdt; + }; + + spi@f00 { + status = "disabled"; + }; + + usb: usb@1000 { + status = "disabled"; + }; + + psc@2000 { + compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart"; + reg = <0x2000 0x100>; + interrupts = <2 1 0>; + }; + + psc@2200 { + status = "disabled"; + }; + + psc@2400 { + status = "disabled"; + }; + + psc@2600 { + status = "disabled"; + }; + + psc@2800 { + status = "disabled"; + }; + + psc@2c00 { // PSC6 + compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart"; + reg = <0x2c00 0x100>; + interrupts = <2 4 0>; + }; + + ethernet@3000 { + phy-handle = <&phy0>; + }; + + mdio@3000 { + phy0: ethernet-phy@3 { + reg = <0x03>; + }; + }; + + ata@3a00 { + status = "disabled"; + }; + + i2c@3d00 { + status = "disabled"; + }; + + i2c@3d40 { + status = "disabled"; + }; + }; + + localbus { + compatible = "fsl,mpc5200b-lpb","simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0 0xfc000000 0x02000000 + 3 0 0xe9000000 0x00080000 + 5 0 0xe8000000 0x00010000>; + + flash@0,0 { + #address-cells = <1>; + #size-cells = <1>; + reg = <0 0x0 0x02000000>; + compatible = "cfi-flash"; + bank-width = <2>; + partition@0x0 { + label = "u-boot"; + reg = <0x00000000 0x00040000>; + read-only; + }; + partition@0x00040000 { + label = "env"; + reg = <0x00040000 0x00020000>; + }; + partition@0x00060000 { + label = "dtb"; + reg = <0x00060000 0x00020000>; + }; + partition@0x00080000 { + label = "kernel"; + reg = <0x00080000 0x00500000>; + }; + partition@0x00580000 { + label = "root"; + reg = <0x00580000 0x00A80000>; + }; + }; + + fpga@3,0 { + compatible = "anonymous,a3m071-fpga"; + reg = <3 0x0 0x00080000 + 5 0x0 0x00010000>; + interrupts = <0 0 3>; /* level low */ + }; + }; + + pci@f0000d00 { + status = "disabled"; + }; +}; diff --git a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi index 64b6abe..5d7205b 100644 --- a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi @@ -354,4 +354,5 @@ /include/ "qoriq-sata2-0.dtsi" /include/ "qoriq-sata2-1.dtsi" /include/ "qoriq-sec4.2-0.dtsi" +/include/ "qoriq-raid1.0-0.dtsi" }; diff --git a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi index 0a198b0..8df47fc 100644 --- a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi +++ b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi @@ -73,6 +73,12 @@ rtic_c = &rtic_c; rtic_d = &rtic_d; sec_mon = &sec_mon; + + raideng = &raideng; + raideng_jr0 = &raideng_jr0; + raideng_jr1 = &raideng_jr1; + raideng_jr2 = &raideng_jr2; + raideng_jr3 = &raideng_jr3; }; cpus { diff --git a/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi new file mode 100644 index 0000000..8d2e8aa --- /dev/null +++ b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi @@ -0,0 +1,85 @@ +/* + * QorIQ RAID 1.0 device tree stub [ controller @ offset 0x320000 ] + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +raideng: raideng@320000 { + compatible = "fsl,raideng-v1.0"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x320000 0x10000>; + ranges = <0 0x320000 0x10000>; + + raideng_jq0@1000 { + compatible = "fsl,raideng-v1.0-job-queue"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x1000 0x1000>; + ranges = <0x0 0x1000 0x1000>; + + raideng_jr0: jr@0 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring"; + reg = <0x0 0x400>; + interrupts = <139 2 0 0>; + interrupt-parent = <&mpic>; + }; + + raideng_jr1: jr@400 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring"; + reg = <0x400 0x400>; + interrupts = <140 2 0 0>; + interrupt-parent = <&mpic>; + }; + }; + + raideng_jq1@2000 { + compatible = "fsl,raideng-v1.0-job-queue"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2000 0x1000>; + ranges = <0x0 0x2000 0x1000>; + + raideng_jr2: jr@0 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring"; + reg = <0x0 0x400>; + interrupts = <141 2 0 0>; + interrupt-parent = <&mpic>; + }; + + raideng_jr3: jr@400 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring"; + reg = <0x400 0x400>; + interrupts = <142 2 0 0>; + interrupt-parent = <&mpic>; + }; + }; +}; diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index 1f710a3..5b8e1e5 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -2,7 +2,7 @@ CONFIG_PPC64=y CONFIG_ALTIVEC=y CONFIG_VSX=y CONFIG_SMP=y -CONFIG_NR_CPUS=1024 +CONFIG_NR_CPUS=2048 CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index dc2cf9c..ef918a2 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -52,8 +52,6 @@ #define smp_mb__before_clear_bit() smp_mb() #define smp_mb__after_clear_bit() smp_mb() -#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) /* Macro for generating the ***_bits() functions */ @@ -83,22 +81,22 @@ DEFINE_BITOP(change_bits, xor, "", "") static __inline__ void set_bit(int nr, volatile unsigned long *addr) { - set_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + set_bits(BIT_MASK(nr), addr + BIT_WORD(nr)); } static __inline__ void clear_bit(int nr, volatile unsigned long *addr) { - clear_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + clear_bits(BIT_MASK(nr), addr + BIT_WORD(nr)); } static __inline__ void clear_bit_unlock(int nr, volatile unsigned long *addr) { - clear_bits_unlock(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + clear_bits_unlock(BIT_MASK(nr), addr + BIT_WORD(nr)); } static __inline__ void change_bit(int nr, volatile unsigned long *addr) { - change_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + change_bits(BIT_MASK(nr), addr + BIT_WORD(nr)); } /* Like DEFINE_BITOP(), with changes to the arguments to 'op' and the output @@ -136,26 +134,26 @@ DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER, static __inline__ int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { - return test_and_set_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0; + return test_and_set_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0; } static __inline__ int test_and_set_bit_lock(unsigned long nr, volatile unsigned long *addr) { - return test_and_set_bits_lock(BITOP_MASK(nr), - addr + BITOP_WORD(nr)) != 0; + return test_and_set_bits_lock(BIT_MASK(nr), + addr + BIT_WORD(nr)) != 0; } static __inline__ int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { - return test_and_clear_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0; + return test_and_clear_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0; } static __inline__ int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { - return test_and_change_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0; + return test_and_change_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0; } #include <asm-generic/bitops/non-atomic.h> @@ -280,61 +278,8 @@ unsigned long __arch_hweight64(__u64 w); #include <asm-generic/bitops/find.h> /* Little-endian versions */ +#include <asm-generic/bitops/le.h> -static __inline__ int test_bit_le(unsigned long nr, - __const__ void *addr) -{ - __const__ unsigned char *tmp = (__const__ unsigned char *) addr; - return (tmp[nr >> 3] >> (nr & 7)) & 1; -} - -static inline void set_bit_le(int nr, void *addr) -{ - set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline void clear_bit_le(int nr, void *addr) -{ - clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline void __set_bit_le(int nr, void *addr) -{ - __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline void __clear_bit_le(int nr, void *addr) -{ - __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int test_and_set_bit_le(int nr, void *addr) -{ - return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int test_and_clear_bit_le(int nr, void *addr) -{ - return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int __test_and_set_bit_le(int nr, void *addr) -{ - return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int __test_and_clear_bit_le(int nr, void *addr) -{ - return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -#define find_first_zero_bit_le(addr, size) \ - find_next_zero_bit_le((addr), (size), 0) -unsigned long find_next_zero_bit_le(const void *addr, - unsigned long size, unsigned long offset); - -unsigned long find_next_bit_le(const void *addr, - unsigned long size, unsigned long offset); /* Bitmap functions for the ext2 filesystem */ #include <asm-generic/bitops/ext2-atomic-setbit.h> diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 21a0687..76f81bd 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -401,6 +401,14 @@ extern const char *powerpc_base_platform; CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY) +#define CPU_FTRS_POWER8 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ + CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\ + CPU_FTR_MMCRA | CPU_FTR_SMT | \ + CPU_FTR_COHERENT_ICACHE | \ + CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ + CPU_FTR_DSCR | CPU_FTR_SAO | \ + CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ + CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY) #define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ @@ -421,8 +429,8 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \ - CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \ - CPU_FTR_VSX) + CPU_FTRS_POWER7 | CPU_FTRS_POWER8 | CPU_FTRS_CELL | \ + CPU_FTRS_PA6T | CPU_FTR_VSX) #endif #else enum { diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h index 154c067..607e4ee 100644 --- a/arch/powerpc/include/asm/dbell.h +++ b/arch/powerpc/include/asm/dbell.h @@ -1,5 +1,5 @@ /* - * Copyright 2009 Freescale Semicondutor, Inc. + * 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 diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index a43c147..ad708dd 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -48,6 +48,35 @@ #define EX_LR 72 #define EX_CFAR 80 +#ifdef CONFIG_RELOCATABLE +#define EXCEPTION_RELON_PROLOG_PSERIES_1(label, h) \ + ld r12,PACAKBASE(r13); /* get high part of &label */ \ + mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \ + LOAD_HANDLER(r12,label); \ + mtlr r12; \ + mfspr r12,SPRN_##h##SRR1; /* and SRR1 */ \ + li r10,MSR_RI; \ + mtmsrd r10,1; /* Set RI (EE=0) */ \ + blr; +#else +/* If not relocatable, we can jump directly -- and save messing with LR */ +#define EXCEPTION_RELON_PROLOG_PSERIES_1(label, h) \ + mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \ + mfspr r12,SPRN_##h##SRR1; /* and SRR1 */ \ + li r10,MSR_RI; \ + mtmsrd r10,1; /* Set RI (EE=0) */ \ + b label; +#endif + +/* + * As EXCEPTION_PROLOG_PSERIES(), except we've already got relocation on + * so no need to rfid. Save lr in case we're CONFIG_RELOCATABLE, in which + * case EXCEPTION_RELON_PROLOG_PSERIES_1 will be using lr. + */ +#define EXCEPTION_RELON_PROLOG_PSERIES(area, label, h, extra, vec) \ + EXCEPTION_PROLOG_1(area, extra, vec); \ + EXCEPTION_RELON_PROLOG_PSERIES_1(label, h) + /* * We're short on space and time in the exception prolog, so we can't * use the normal SET_REG_IMMEDIATE macro. Normally we just need the @@ -55,12 +84,29 @@ * word. */ #define LOAD_HANDLER(reg, label) \ - addi reg,reg,(label)-_stext; /* virt addr of handler ... */ + /* Handlers must be within 64K of kbase, which must be 64k aligned */ \ + ori reg,reg,(label)-_stext; /* virt addr of handler ... */ /* Exception register prefixes */ #define EXC_HV H #define EXC_STD +#if defined(CONFIG_RELOCATABLE) +/* + * If we support interrupts with relocation on AND we're a relocatable + * kernel, we need to use LR to get to the 2nd level handler. So, save/restore + * it when required. + */ +#define SAVE_LR(reg, area) mflr reg ; std reg,area+EX_LR(r13) +#define GET_LR(reg, area) ld reg,area+EX_LR(r13) +#define RESTORE_LR(reg, area) ld reg,area+EX_LR(r13) ; mtlr reg +#else +/* ...else LR is unused and in register. */ +#define SAVE_LR(reg, area) +#define GET_LR(reg, area) mflr reg +#define RESTORE_LR(reg, area) +#endif + #define __EXCEPTION_PROLOG_1(area, extra, vec) \ GET_PACA(r13); \ std r9,area+EX_R9(r13); /* save r9 - r12 */ \ @@ -69,6 +115,7 @@ mfspr r10,SPRN_CFAR; \ std r10,area+EX_CFAR(r13); \ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \ + SAVE_LR(r10, area); \ mfcr r9; \ extra(vec); \ std r11,area+EX_R11(r13); \ @@ -169,6 +216,7 @@ do_kvm_##n: \ sth r1,PACA_TRAP_SAVE(r13); \ std r3,area+EX_R3(r13); \ addi r3,r13,area; /* r3 -> where regs are saved*/ \ + RESTORE_LR(r1, area); \ b bad_stack; \ 3: std r9,_CCR(r1); /* save CR in stackframe */ \ std r11,_NIP(r1); /* save SRR0 in stackframe */ \ @@ -194,8 +242,8 @@ do_kvm_##n: \ ld r10,area+EX_CFAR(r13); \ std r10,ORIG_GPR3(r1); \ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \ + GET_LR(r9,area); /* Get LR, later save to stack */ \ ld r2,PACATOC(r13); /* get kernel TOC into r2 */ \ - mflr r9; /* save LR in stackframe */ \ std r9,_LINK(r1); \ mfctr r10; /* save CTR in stackframe */ \ std r10,_CTR(r1); \ @@ -232,6 +280,26 @@ label##_hv: \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \ EXC_HV, KVMTEST, vec) +#define STD_RELON_EXCEPTION_PSERIES(loc, vec, label) \ + . = loc; \ + .globl label##_relon_pSeries; \ +label##_relon_pSeries: \ + HMT_MEDIUM; \ + /* No guest interrupts come through here */ \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \ + EXC_STD, KVMTEST_PR, vec) + +#define STD_RELON_EXCEPTION_HV(loc, vec, label) \ + . = loc; \ + .globl label##_relon_hv; \ +label##_relon_hv: \ + HMT_MEDIUM; \ + /* No guest interrupts come through here */ \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \ + EXC_HV, KVMTEST, vec) + /* This associate vector numbers with bits in paca->irq_happened */ #define SOFTEN_VALUE_0x500 PACA_IRQ_EE #define SOFTEN_VALUE_0x502 PACA_IRQ_EE @@ -257,6 +325,9 @@ label##_hv: \ KVMTEST(vec); \ _SOFTEN_TEST(EXC_STD, vec) +#define SOFTEN_NOTEST_PR(vec) _SOFTEN_TEST(EXC_STD, vec) +#define SOFTEN_NOTEST_HV(vec) _SOFTEN_TEST(EXC_HV, vec) + #define __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) \ HMT_MEDIUM; \ SET_SCRATCH0(r13); /* save r13 */ \ @@ -279,6 +350,28 @@ label##_hv: \ _MASKABLE_EXCEPTION_PSERIES(vec, label, \ EXC_HV, SOFTEN_TEST_HV) +#define __MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) \ + HMT_MEDIUM; \ + SET_SCRATCH0(r13); /* save r13 */ \ + __EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec); \ + EXCEPTION_RELON_PROLOG_PSERIES_1(label##_common, h); +#define _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) \ + __MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) + +#define MASKABLE_RELON_EXCEPTION_PSERIES(loc, vec, label) \ + . = loc; \ + .globl label##_relon_pSeries; \ +label##_relon_pSeries: \ + _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, \ + EXC_STD, SOFTEN_NOTEST_PR) + +#define MASKABLE_RELON_EXCEPTION_HV(loc, vec, label) \ + . = loc; \ + .globl label##_relon_hv; \ +label##_relon_hv: \ + _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, \ + EXC_HV, SOFTEN_NOTEST_HV) + /* * Our exception common code can be passed various "additions" * to specify the behaviour of interrupts, whether to kick the diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index ad0b751..973cc3b 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -49,6 +49,7 @@ #define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) #define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000) #define FW_FEATURE_OPALv2 ASM_CONST(0x0000000020000000) +#define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000) #ifndef __ASSEMBLY__ @@ -62,7 +63,8 @@ enum { FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | - FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO, + FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO | + FW_FEATURE_SET_MODE, FW_FEATURE_PSERIES_ALWAYS = 0, FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2, FW_FEATURE_POWERNV_ALWAYS = 0, diff --git a/arch/powerpc/include/asm/fsl_gtm.h b/arch/powerpc/include/asm/fsl_gtm.h index 8e8c9b5..3b05808 100644 --- a/arch/powerpc/include/asm/fsl_gtm.h +++ b/arch/powerpc/include/asm/fsl_gtm.h @@ -1,7 +1,7 @@ /* * Freescale General-purpose Timers Module * - * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Copyright 2006 Freescale Semiconductor, Inc. * Shlomi Gridish <gridish@freescale.com> * Jerry Huang <Chang-Ming.Huang@freescale.com> * Copyright (c) MontaVista Software, Inc. 2008. diff --git a/arch/powerpc/include/asm/fsl_guts.h b/arch/powerpc/include/asm/fsl_guts.h index dd5ba2c..77ced0b 100644 --- a/arch/powerpc/include/asm/fsl_guts.h +++ b/arch/powerpc/include/asm/fsl_guts.h @@ -71,7 +71,9 @@ struct ccsr_guts { u8 res0c4[0x224 - 0xc4]; __be32 iodelay1; /* 0x.0224 - IO delay control register 1 */ __be32 iodelay2; /* 0x.0228 - IO delay control register 2 */ - u8 res22c[0x800 - 0x22c]; + u8 res22c[0x604 - 0x22c]; + __be32 pamubypenr; /* 0x.604 - PAMU bypass enable register */ + u8 res608[0x800 - 0x608]; __be32 clkdvdr; /* 0x.0800 - Clock Divide Register */ u8 res804[0x900 - 0x804]; __be32 ircr; /* 0x.0900 - Infrared Control Register */ diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 7a86706..0975e5c 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -267,7 +267,8 @@ #define H_RANDOM 0x300 #define H_COP 0x304 #define H_GET_MPP_X 0x314 -#define MAX_HCALL_OPCODE H_GET_MPP_X +#define H_SET_MODE 0x31C +#define MAX_HCALL_OPCODE H_SET_MODE #ifndef __ASSEMBLY__ @@ -355,6 +356,26 @@ struct hvcall_mpp_x_data { int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data); +static inline unsigned int get_longbusy_msecs(int longbusy_rc) +{ + switch (longbusy_rc) { + case H_LONG_BUSY_ORDER_1_MSEC: + return 1; + case H_LONG_BUSY_ORDER_10_MSEC: + return 10; + case H_LONG_BUSY_ORDER_100_MSEC: + return 100; + case H_LONG_BUSY_ORDER_1_SEC: + return 1000; + case H_LONG_BUSY_ORDER_10_SEC: + return 10000; + case H_LONG_BUSY_ORDER_100_SEC: + return 100000; + default: + return 1; + } +} + #ifdef CONFIG_PPC_PSERIES extern int CMO_PrPSP; extern int CMO_SecPSP; diff --git a/arch/powerpc/include/asm/immap_qe.h b/arch/powerpc/include/asm/immap_qe.h index 61e8490..bedbff8 100644 --- a/arch/powerpc/include/asm/immap_qe.h +++ b/arch/powerpc/include/asm/immap_qe.h @@ -3,7 +3,7 @@ * The Internal Memory Map for devices with QE on them. This * is the superset of all QE devices (8360, etc.). - * Copyright (C) 2006. Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006. Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 3c82daf..19d9d96 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -166,9 +166,6 @@ struct machdep_calls { unsigned long size, pgprot_t vma_prot); - /* Idle loop for this platform, leave empty for default idle loop */ - void (*idle_loop)(void); - /* * Function for waiting for work with reduced power in idle loop; * called with interrupts disabled. diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 5e38eed..691fd8a 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -101,6 +101,7 @@ #define MMU_FTRS_POWER5 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE #define MMU_FTRS_POWER6 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE #define MMU_FTRS_POWER7 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE +#define MMU_FTRS_POWER8 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE #define MMU_FTRS_CELL MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ MMU_FTR_CI_LARGE_PAGE #define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h deleted file mode 100644 index c07edfe..0000000 --- a/arch/powerpc/include/asm/pSeries_reconfig.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _PPC64_PSERIES_RECONFIG_H -#define _PPC64_PSERIES_RECONFIG_H -#ifdef __KERNEL__ - -#include <linux/notifier.h> - -/* - * Use this API if your code needs to know about OF device nodes being - * added or removed on pSeries systems. - */ - -#define PSERIES_RECONFIG_ADD 0x0001 -#define PSERIES_RECONFIG_REMOVE 0x0002 -#define PSERIES_DRCONF_MEM_ADD 0x0003 -#define PSERIES_DRCONF_MEM_REMOVE 0x0004 -#define PSERIES_UPDATE_PROPERTY 0x0005 - -/** - * pSeries_reconfig_notify - Notifier value structure for OFDT property updates - * - * @node: Device tree node which owns the property being updated - * @property: Updated property - */ -struct pSeries_reconfig_prop_update { - struct device_node *node; - struct property *property; -}; - -#ifdef CONFIG_PPC_PSERIES -extern int pSeries_reconfig_notifier_register(struct notifier_block *); -extern void pSeries_reconfig_notifier_unregister(struct notifier_block *); -extern int pSeries_reconfig_notify(unsigned long action, void *p); -/* Not the best place to put this, will be fixed when we move some - * of the rtas suspend-me stuff to pseries */ -extern void pSeries_coalesce_init(void); -#else /* !CONFIG_PPC_PSERIES */ -static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb) -{ - return 0; -} -static inline void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) { } -static inline void pSeries_coalesce_init(void) { } -#endif /* CONFIG_PPC_PSERIES */ - - -#endif /* __KERNEL__ */ -#endif /* _PPC64_PSERIES_RECONFIG_H */ diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 42b1f43..51fb00a 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -1,5 +1,5 @@ /* - * Copyright 2009 Freescale Semicondutor, Inc. + * 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 @@ -86,6 +86,7 @@ #define PPC_INST_DCBA_MASK 0xfc0007fe #define PPC_INST_DCBAL 0x7c2005ec #define PPC_INST_DCBZL 0x7c2007ec +#define PPC_INST_ICBT 0x7c00002c #define PPC_INST_ISEL 0x7c00001e #define PPC_INST_ISEL_MASK 0xfc00003e #define PPC_INST_LDARX 0x7c0000a8 @@ -201,6 +202,7 @@ #define __PPC_MB(s) (((s) & 0x1f) << 6) #define __PPC_ME(s) (((s) & 0x1f) << 1) #define __PPC_BI(s) (((s) & 0x1f) << 16) +#define __PPC_CT(t) (((t) & 0x0f) << 21) /* * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a @@ -263,6 +265,8 @@ __PPC_RS(t) | __PPC_RA0(a) | __PPC_RB(b)) #define PPC_SLBFEE_DOT(t, b) stringify_in_c(.long PPC_INST_SLBFEE | \ __PPC_RT(t) | __PPC_RB(b)) +#define PPC_ICBT(c,a,b) stringify_in_c(.long PPC_INST_ICBT | \ + __PPC_CT(c) | __PPC_RA0(a) | __PPC_RB(b)) /* PASemi instructions */ #define LBZCIX(t,a,b) stringify_in_c(.long PPC_INST_LBZCIX | \ __PPC_RT(t) | __PPC_RA(a) | __PPC_RB(b)) diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index b5c9190..99c92d5 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -58,6 +58,22 @@ static inline int of_node_to_nid(struct device_node *device) { return 0; } extern void of_instantiate_rtc(void); +/* The of_drconf_cell struct defines the layout of the LMB array + * specified in the device tree property + * ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory + */ +struct of_drconf_cell { + u64 base_addr; + u32 drc_index; + u32 reserved; + u32 aa_index; + u32 flags; +}; + +#define DRCONF_MEM_ASSIGNED 0x00000008 +#define DRCONF_MEM_AI_INVALID 0x00000040 +#define DRCONF_MEM_RESERVED 0x00000080 + /* These includes are put at the bottom because they may contain things * that are overridden by this file. Ideally they shouldn't be included * by this file, but there are a bunch of .c files that currently depend diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h index 229571a..32b9bfa 100644 --- a/arch/powerpc/include/asm/qe.h +++ b/arch/powerpc/include/asm/qe.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h index f706164..25784cc 100644 --- a/arch/powerpc/include/asm/qe_ic.h +++ b/arch/powerpc/include/asm/qe_ic.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 97d3727..3d5c9dc 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -249,6 +249,8 @@ #define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */ #define LPCR_RMLS_SH (63-37) #define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */ +#define LPCR_AIL_0 0x00000000 /* MMU off exception offset 0x0 */ +#define LPCR_AIL_3 0x01800000 /* MMU on exception offset 0xc00...4xxx */ #define LPCR_PECE 0x00007000 /* powersave exit cause enable */ #define LPCR_PECE0 0x00004000 /* ext. exceptions can cause exit */ #define LPCR_PECE1 0x00002000 /* decrementer can cause exit */ @@ -1030,6 +1032,7 @@ #define PVR_970MP 0x0044 #define PVR_970GX 0x0045 #define PVR_POWER7p 0x004A +#define PVR_POWER8 0x004B #define PVR_BE 0x0070 #define PVR_PA6T 0x0090 diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 557cff8..aef00c6 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -353,8 +353,13 @@ static inline int page_is_rtas_user_buf(unsigned long pfn) return 1; return 0; } + +/* Not the best place to put pSeries_coalesce_init, will be fixed when we + * move some of the rtas suspend-me stuff to pseries */ +extern void pSeries_coalesce_init(void); #else static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;} +static inline void pSeries_coalesce_init(void) { } #endif extern int call_rtas(const char *, int, int, unsigned long *, ...); diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h new file mode 100644 index 0000000..d3ca855 --- /dev/null +++ b/arch/powerpc/include/asm/setup.h @@ -0,0 +1,29 @@ +#ifndef _ASM_POWERPC_SETUP_H +#define _ASM_POWERPC_SETUP_H + +#include <uapi/asm/setup.h> + +#ifndef __ASSEMBLY__ +extern void ppc_printk_progress(char *s, unsigned short hex); + +extern unsigned int rtas_data; +extern int mem_init_done; /* set on boot once kmalloc can be called */ +extern int init_bootmem_done; /* set once bootmem is available */ +extern unsigned long long memory_limit; +extern unsigned long klimit; +extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); + +struct device_node; +extern void note_scsi_host(struct device_node *, void *); + +/* Used in very early kernel initialization. */ +extern unsigned long reloc_offset(void); +extern unsigned long add_reloc_offset(unsigned long); +extern void reloc_got2(unsigned long); + +#define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_POWERPC_SETUP_H */ + diff --git a/arch/powerpc/include/asm/ucc.h b/arch/powerpc/include/asm/ucc.h index 46b09ba..6927ac2 100644 --- a/arch/powerpc/include/asm/ucc.h +++ b/arch/powerpc/include/asm/ucc.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/include/asm/ucc_fast.h b/arch/powerpc/include/asm/ucc_fast.h index 4644c84..72ea9ba 100644 --- a/arch/powerpc/include/asm/ucc_fast.h +++ b/arch/powerpc/include/asm/ucc_fast.h @@ -1,7 +1,7 @@ /* * Internal header file for UCC FAST unit routines. * - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/include/asm/ucc_slow.h b/arch/powerpc/include/asm/ucc_slow.h index cf131ff..c44131e 100644 --- a/arch/powerpc/include/asm/ucc_slow.h +++ b/arch/powerpc/include/asm/ucc_slow.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h index b303881..5a7510e 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -21,7 +21,6 @@ extern int (*udbg_getc_poll)(void); extern void udbg_puts(const char *s); extern int udbg_write(const char *s, int n); -extern int udbg_read(char *buf, int buflen); extern void register_early_udbg_console(void); extern void udbg_printf(const char *fmt, ...) diff --git a/arch/powerpc/include/uapi/asm/setup.h b/arch/powerpc/include/uapi/asm/setup.h index 8b9a306..552df83 100644 --- a/arch/powerpc/include/uapi/asm/setup.h +++ b/arch/powerpc/include/uapi/asm/setup.h @@ -1,32 +1 @@ -#ifndef _ASM_POWERPC_SETUP_H -#define _ASM_POWERPC_SETUP_H - #include <asm-generic/setup.h> - -#ifndef __ASSEMBLY__ -extern void ppc_printk_progress(char *s, unsigned short hex); - -extern unsigned int rtas_data; -extern int mem_init_done; /* set on boot once kmalloc can be called */ -extern int init_bootmem_done; /* set once bootmem is available */ -extern unsigned long long memory_limit; -extern unsigned long klimit; -extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); - -extern void via_cuda_init(void); -extern void read_rtc_time(void); -extern void pmac_find_display(void); - -struct device_node; -extern void note_scsi_host(struct device_node *, void *); - -/* Used in very early kernel initialization. */ -extern unsigned long reloc_offset(void); -extern unsigned long add_reloc_offset(unsigned long); -extern void reloc_got2(unsigned long); - -#define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) - -#endif /* !__ASSEMBLY__ */ - -#endif /* _ASM_POWERPC_SETUP_H */ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index cde12f8..8f61934 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -38,7 +38,7 @@ obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ paca.o nvram_64.o firmware.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o -obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power7.o +obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o obj64-$(CONFIG_RELOCATABLE) += reloc_64.o obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o obj-$(CONFIG_PPC_A2) += cpu_setup_a2.o diff --git a/arch/powerpc/kernel/cpu_setup_power7.S b/arch/powerpc/kernel/cpu_setup_power.S index 76797c5..57cf140 100644 --- a/arch/powerpc/kernel/cpu_setup_power7.S +++ b/arch/powerpc/kernel/cpu_setup_power.S @@ -27,6 +27,7 @@ _GLOBAL(__setup_cpu_power7) beqlr li r0,0 mtspr SPRN_LPID,r0 + mfspr r3,SPRN_LPCR bl __init_LPCR bl __init_TLB mtlr r11 @@ -39,6 +40,35 @@ _GLOBAL(__restore_cpu_power7) beqlr li r0,0 mtspr SPRN_LPID,r0 + mfspr r3,SPRN_LPCR + bl __init_LPCR + bl __init_TLB + mtlr r11 + blr + +_GLOBAL(__setup_cpu_power8) + mflr r11 + bl __init_hvmode_206 + mtlr r11 + beqlr + li r0,0 + mtspr SPRN_LPID,r0 + mfspr r3,SPRN_LPCR + oris r3, r3, LPCR_AIL_3@h + bl __init_LPCR + bl __init_TLB + mtlr r11 + blr + +_GLOBAL(__restore_cpu_power8) + mflr r11 + mfmsr r3 + rldicl. r0,r3,4,63 + beqlr + li r0,0 + mtspr SPRN_LPID,r0 + mfspr r3,SPRN_LPCR + oris r3, r3, LPCR_AIL_3@h bl __init_LPCR bl __init_TLB mtlr r11 @@ -57,6 +87,7 @@ __init_hvmode_206: __init_LPCR: /* Setup a sane LPCR: + * Called with initial LPCR in R3 * * LPES = 0b01 (HSRR0/1 used for 0x500) * PECE = 0b111 @@ -67,7 +98,6 @@ __init_LPCR: * * Other bits untouched for now */ - mfspr r3,SPRN_LPCR li r5,1 rldimi r3,r5, LPCR_LPES_SH, 64-LPCR_LPES_SH-2 ori r3,r3,(LPCR_PECE0|LPCR_PECE1|LPCR_PECE2) diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 0514c21..75a3d71 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -68,6 +68,8 @@ extern void __restore_cpu_pa6t(void); extern void __restore_cpu_ppc970(void); extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec); extern void __restore_cpu_power7(void); +extern void __setup_cpu_power8(unsigned long offset, struct cpu_spec* spec); +extern void __restore_cpu_power8(void); extern void __restore_cpu_a2(void); #endif /* CONFIG_PPC64 */ #if defined(CONFIG_E500) @@ -94,6 +96,10 @@ extern void __restore_cpu_e5500(void); PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ PPC_FEATURE_TRUE_LE | \ PPC_FEATURE_PSERIES_PERFMON_COMPAT) +#define COMMON_USER_POWER8 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\ + PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ + PPC_FEATURE_TRUE_LE | \ + PPC_FEATURE_PSERIES_PERFMON_COMPAT) #define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\ PPC_FEATURE_TRUE_LE | \ PPC_FEATURE_HAS_ALTIVEC_COMP) @@ -429,6 +435,21 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_restore = __restore_cpu_power7, .platform = "power7", }, + { /* 2.07-compliant processor, i.e. Power8 "architected" mode */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x0f000004, + .cpu_name = "POWER8 (architected)", + .cpu_features = CPU_FTRS_POWER8, + .cpu_user_features = COMMON_USER_POWER8, + .mmu_features = MMU_FTRS_POWER8, + .icache_bsize = 128, + .dcache_bsize = 128, + .oprofile_type = PPC_OPROFILE_POWER4, + .oprofile_cpu_type = "ppc64/ibm-compat-v1", + .cpu_setup = __setup_cpu_power8, + .cpu_restore = __restore_cpu_power8, + .platform = "power8", + }, { /* Power7 */ .pvr_mask = 0xffff0000, .pvr_value = 0x003f0000, @@ -463,6 +484,23 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_restore = __restore_cpu_power7, .platform = "power7+", }, + { /* Power8 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x004b0000, + .cpu_name = "POWER8 (raw)", + .cpu_features = CPU_FTRS_POWER8, + .cpu_user_features = COMMON_USER_POWER8, + .mmu_features = MMU_FTRS_POWER8, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .oprofile_cpu_type = "ppc64/power8", + .oprofile_type = PPC_OPROFILE_POWER4, + .cpu_setup = __setup_cpu_power8, + .cpu_restore = __restore_cpu_power8, + .platform = "power8", + }, { /* Cell Broadband Engine */ .pvr_mask = 0xffff0000, .pvr_value = 0x00700000, diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index e9a906c..b310a05 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -373,6 +373,8 @@ _GLOBAL(ret_from_fork) _GLOBAL(ret_from_kernel_thread) bl .schedule_tail REST_NVGPRS(r1) + li r3,0 + std r3,0(r1) ld r14, 0(r14) mtlr r14 mr r3,r15 diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 10b658a..4665e82 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -19,12 +19,76 @@ /* * We layout physical memory as follows: * 0x0000 - 0x00ff : Secondary processor spin code - * 0x0100 - 0x2fff : pSeries Interrupt prologs - * 0x3000 - 0x5fff : interrupt support common interrupt prologs - * 0x6000 - 0x6fff : Initial (CPU0) segment table + * 0x0100 - 0x17ff : pSeries Interrupt prologs + * 0x1800 - 0x4000 : interrupt support common interrupt prologs + * 0x4000 - 0x5fff : pSeries interrupts with IR=1,DR=1 + * 0x6000 - 0x6fff : more interrupt support including for IR=1,DR=1 * 0x7000 - 0x7fff : FWNMI data area - * 0x8000 - : Early init and support code + * 0x8000 - 0x8fff : Initial (CPU0) segment table + * 0x9000 - : Early init and support code */ + /* Syscall routine is used twice, in reloc-off and reloc-on paths */ +#define SYSCALL_PSERIES_1 \ +BEGIN_FTR_SECTION \ + cmpdi r0,0x1ebe ; \ + beq- 1f ; \ +END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) \ + mr r9,r13 ; \ + GET_PACA(r13) ; \ + mfspr r11,SPRN_SRR0 ; \ +0: + +#define SYSCALL_PSERIES_2_RFID \ + mfspr r12,SPRN_SRR1 ; \ + ld r10,PACAKBASE(r13) ; \ + LOAD_HANDLER(r10, system_call_entry) ; \ + mtspr SPRN_SRR0,r10 ; \ + ld r10,PACAKMSR(r13) ; \ + mtspr SPRN_SRR1,r10 ; \ + rfid ; \ + b . ; /* prevent speculative execution */ + +#define SYSCALL_PSERIES_3 \ + /* Fast LE/BE switch system call */ \ +1: mfspr r12,SPRN_SRR1 ; \ + xori r12,r12,MSR_LE ; \ + mtspr SPRN_SRR1,r12 ; \ + rfid ; /* return to userspace */ \ + b . ; \ +2: mfspr r12,SPRN_SRR1 ; \ + andi. r12,r12,MSR_PR ; \ + bne 0b ; \ + mtspr SPRN_SRR0,r3 ; \ + mtspr SPRN_SRR1,r4 ; \ + mtspr SPRN_SDR1,r5 ; \ + rfid ; \ + b . ; /* prevent speculative execution */ + +#if defined(CONFIG_RELOCATABLE) + /* + * We can't branch directly; in the direct case we use LR + * and system_call_entry restores LR. (We thus need to move + * LR to r10 in the RFID case too.) + */ +#define SYSCALL_PSERIES_2_DIRECT \ + mflr r10 ; \ + ld r12,PACAKBASE(r13) ; \ + LOAD_HANDLER(r12, system_call_entry_direct) ; \ + mtlr r12 ; \ + mfspr r12,SPRN_SRR1 ; \ + /* Re-use of r13... No spare regs to do this */ \ + li r13,MSR_RI ; \ + mtmsrd r13,1 ; \ + GET_PACA(r13) ; /* get r13 back */ \ + blr ; +#else + /* We can branch directly */ +#define SYSCALL_PSERIES_2_DIRECT \ + mfspr r12,SPRN_SRR1 ; \ + li r10,MSR_RI ; \ + mtmsrd r10,1 ; /* Set RI (EE=0) */ \ + b system_call_entry_direct ; +#endif /* * This is the start of the interrupt handlers for pSeries @@ -207,31 +271,11 @@ system_call_pSeries: KVMTEST(0xc00) GET_SCRATCH0(r13) #endif -BEGIN_FTR_SECTION - cmpdi r0,0x1ebe - beq- 1f -END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) - mr r9,r13 - GET_PACA(r13) - mfspr r11,SPRN_SRR0 - mfspr r12,SPRN_SRR1 - ld r10,PACAKBASE(r13) - LOAD_HANDLER(r10, system_call_entry) - mtspr SPRN_SRR0,r10 - ld r10,PACAKMSR(r13) - mtspr SPRN_SRR1,r10 - rfid - b . /* prevent speculative execution */ - + SYSCALL_PSERIES_1 + SYSCALL_PSERIES_2_RFID + SYSCALL_PSERIES_3 KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xc00) -/* Fast LE/BE switch system call */ -1: mfspr r12,SPRN_SRR1 - xori r12,r12,MSR_LE - mtspr SPRN_SRR1,r12 - rfid /* return to userspace */ - b . - STD_EXCEPTION_PSERIES(0xd00, 0xd00, single_step) KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xd00) @@ -276,7 +320,7 @@ vsx_unavailable_pSeries_1: KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_STD, 0x1300) . = 0x1500 - .global denorm_Hypervisor + .global denorm_exception_hv denorm_exception_hv: HMT_MEDIUM mtspr SPRN_SPRG_HSCRATCH0,r13 @@ -311,12 +355,14 @@ denorm_exception_hv: #ifdef CONFIG_CBE_RAS STD_EXCEPTION_HV(0x1800, 0x1802, cbe_thermal) KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1802) +#else + . = 0x1800 #endif /* CONFIG_CBE_RAS */ - . = 0x3000 /*** Out of line interrupts support ***/ + .align 7 /* moved from 0x200 */ machine_check_pSeries: .globl machine_check_fwnmi @@ -575,16 +621,12 @@ slb_miss_user_pseries: b . /* prevent spec. execution */ #endif /* __DISABLED__ */ - .align 7 - .globl __end_interrupts -__end_interrupts: - /* * Code from here down to __end_handlers is invoked from the * exception prologs above. Because the prologs assemble the * addresses of these handlers using the LOAD_HANDLER macro, - * which uses an addi instruction, these handlers must be in - * the first 32k of the kernel image. + * which uses an ori instruction, these handlers must be in + * the first 64k of the kernel image. */ /*** Common interrupt handlers ***/ @@ -613,8 +655,8 @@ machine_check_common: STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception) STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception) STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception) - STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception) - STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception) + STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception) + STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception) STD_EXCEPTION_COMMON_ASYNC(0xf00, performance_monitor, .performance_monitor_exception) STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, .instruction_breakpoint_exception) STD_EXCEPTION_COMMON(0x1502, denorm, .unknown_exception) @@ -629,7 +671,158 @@ machine_check_common: STD_EXCEPTION_COMMON(0x1800, cbe_thermal, .cbe_thermal_exception) #endif /* CONFIG_CBE_RAS */ + /* + * Relocation-on interrupts: A subset of the interrupts can be delivered + * with IR=1/DR=1, if AIL==2 and MSR.HV won't be changed by delivering + * it. Addresses are the same as the original interrupt addresses, but + * offset by 0xc000000000004000. + * It's impossible to receive interrupts below 0x300 via this mechanism. + * KVM: None of these traps are from the guest ; anything that escalated + * to HV=1 from HV=0 is delivered via real mode handlers. + */ + + /* + * This uses the standard macro, since the original 0x300 vector + * only has extra guff for STAB-based processors -- which never + * come here. + */ + STD_RELON_EXCEPTION_PSERIES(0x4300, 0x300, data_access) + . = 0x4380 + .globl data_access_slb_relon_pSeries +data_access_slb_relon_pSeries: + HMT_MEDIUM + SET_SCRATCH0(r13) + EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x380) + std r3,PACA_EXSLB+EX_R3(r13) + mfspr r3,SPRN_DAR + mfspr r12,SPRN_SRR1 +#ifndef CONFIG_RELOCATABLE + b .slb_miss_realmode +#else + /* + * We can't just use a direct branch to .slb_miss_realmode + * because the distance from here to there depends on where + * the kernel ends up being put. + */ + mfctr r11 + ld r10,PACAKBASE(r13) + LOAD_HANDLER(r10, .slb_miss_realmode) + mtctr r10 + bctr +#endif + + STD_RELON_EXCEPTION_PSERIES(0x4400, 0x400, instruction_access) + . = 0x4480 + .globl instruction_access_slb_relon_pSeries +instruction_access_slb_relon_pSeries: + HMT_MEDIUM + SET_SCRATCH0(r13) + EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x480) + std r3,PACA_EXSLB+EX_R3(r13) + mfspr r3,SPRN_SRR0 /* SRR0 is faulting address */ + mfspr r12,SPRN_SRR1 +#ifndef CONFIG_RELOCATABLE + b .slb_miss_realmode +#else + mfctr r11 + ld r10,PACAKBASE(r13) + LOAD_HANDLER(r10, .slb_miss_realmode) + mtctr r10 + bctr +#endif + + . = 0x4500 + .globl hardware_interrupt_relon_pSeries; + .globl hardware_interrupt_relon_hv; +hardware_interrupt_relon_pSeries: +hardware_interrupt_relon_hv: + BEGIN_FTR_SECTION + _MASKABLE_RELON_EXCEPTION_PSERIES(0x502, hardware_interrupt, EXC_HV, SOFTEN_TEST_HV) + FTR_SECTION_ELSE + _MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt, EXC_STD, SOFTEN_TEST_PR) + ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_206) + STD_RELON_EXCEPTION_PSERIES(0x4600, 0x600, alignment) + STD_RELON_EXCEPTION_PSERIES(0x4700, 0x700, program_check) + STD_RELON_EXCEPTION_PSERIES(0x4800, 0x800, fp_unavailable) + MASKABLE_RELON_EXCEPTION_PSERIES(0x4900, 0x900, decrementer) + STD_RELON_EXCEPTION_HV(0x4980, 0x982, hdecrementer) + STD_RELON_EXCEPTION_PSERIES(0x4b00, 0xb00, trap_0b) + + . = 0x4c00 + .globl system_call_relon_pSeries +system_call_relon_pSeries: + HMT_MEDIUM + SYSCALL_PSERIES_1 + SYSCALL_PSERIES_2_DIRECT + SYSCALL_PSERIES_3 + + STD_RELON_EXCEPTION_PSERIES(0x4d00, 0xd00, single_step) + + . = 0x4e00 + b h_data_storage_relon_hv + + . = 0x4e20 + b h_instr_storage_relon_hv + + . = 0x4e40 + b emulation_assist_relon_hv + + . = 0x4e50 + b hmi_exception_relon_hv + + . = 0x4e60 + b hmi_exception_relon_hv + + /* For when we support the doorbell interrupt: + STD_RELON_EXCEPTION_HYPERVISOR(0x4e80, 0xe80, doorbell_hyper) + */ + +performance_monitor_relon_pSeries_1: + . = 0x4f00 + b performance_monitor_relon_pSeries + +altivec_unavailable_relon_pSeries_1: + . = 0x4f20 + b altivec_unavailable_relon_pSeries + +vsx_unavailable_relon_pSeries_1: + . = 0x4f40 + b vsx_unavailable_relon_pSeries + +#ifdef CONFIG_CBE_RAS + STD_RELON_EXCEPTION_HV(0x5200, 0x1202, cbe_system_error) +#endif /* CONFIG_CBE_RAS */ + STD_RELON_EXCEPTION_PSERIES(0x5300, 0x1300, instruction_breakpoint) +#ifdef CONFIG_PPC_DENORMALISATION + . = 0x5500 + b denorm_exception_hv +#endif +#ifdef CONFIG_CBE_RAS + STD_RELON_EXCEPTION_HV(0x5600, 0x1602, cbe_maintenance) +#else +#ifdef CONFIG_HVC_SCOM + STD_RELON_EXCEPTION_HV(0x5600, 0x1600, maintence_interrupt) + KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1600) +#endif /* CONFIG_HVC_SCOM */ +#endif /* CONFIG_CBE_RAS */ + STD_RELON_EXCEPTION_PSERIES(0x5700, 0x1700, altivec_assist) +#ifdef CONFIG_CBE_RAS + STD_RELON_EXCEPTION_HV(0x5800, 0x1802, cbe_thermal) +#endif /* CONFIG_CBE_RAS */ + + /* Other future vectors */ .align 7 + .globl __end_interrupts +__end_interrupts: + + .align 7 +system_call_entry_direct: +#if defined(CONFIG_RELOCATABLE) + /* The first level prologue may have used LR to get here, saving + * orig in r10. To save hacking/ifdeffing common code, restore here. + */ + mtlr r10 +#endif system_call_entry: b system_call_common @@ -714,21 +907,21 @@ data_access_common: ld r3,PACA_EXGEN+EX_DAR(r13) lwz r4,PACA_EXGEN+EX_DSISR(r13) li r5,0x300 - b .do_hash_page /* Try to handle as hpte fault */ + b .do_hash_page /* Try to handle as hpte fault */ .align 7 - .globl h_data_storage_common + .globl h_data_storage_common h_data_storage_common: - mfspr r10,SPRN_HDAR - std r10,PACA_EXGEN+EX_DAR(r13) - mfspr r10,SPRN_HDSISR - stw r10,PACA_EXGEN+EX_DSISR(r13) - EXCEPTION_PROLOG_COMMON(0xe00, PACA_EXGEN) - bl .save_nvgprs + mfspr r10,SPRN_HDAR + std r10,PACA_EXGEN+EX_DAR(r13) + mfspr r10,SPRN_HDSISR + stw r10,PACA_EXGEN+EX_DSISR(r13) + EXCEPTION_PROLOG_COMMON(0xe00, PACA_EXGEN) + bl .save_nvgprs DISABLE_INTS - addi r3,r1,STACK_FRAME_OVERHEAD - bl .unknown_exception - b .ret_from_except + addi r3,r1,STACK_FRAME_OVERHEAD + bl .unknown_exception + b .ret_from_except .align 7 .globl instruction_access_common @@ -741,7 +934,7 @@ instruction_access_common: li r5,0x400 b .do_hash_page /* Try to handle as hpte fault */ - STD_EXCEPTION_COMMON(0xe20, h_instr_storage, .unknown_exception) + STD_EXCEPTION_COMMON(0xe20, h_instr_storage, .unknown_exception) /* * Here is the common SLB miss user that is used when going to virtual @@ -1152,6 +1345,21 @@ _GLOBAL(do_stab_bolted) rfid b . /* prevent speculative execution */ + + /* Equivalents to the above handlers for relocation-on interrupt vectors */ + STD_RELON_EXCEPTION_HV(., 0xe00, h_data_storage) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe00) + STD_RELON_EXCEPTION_HV(., 0xe20, h_instr_storage) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe20) + STD_RELON_EXCEPTION_HV(., 0xe40, emulation_assist) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe40) + STD_RELON_EXCEPTION_HV(., 0xe60, hmi_exception) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe60) + + STD_RELON_EXCEPTION_PSERIES(., 0xf00, performance_monitor) + STD_RELON_EXCEPTION_PSERIES(., 0xf20, altivec_unavailable) + STD_RELON_EXCEPTION_PSERIES(., 0xf40, vsx_unavailable) + #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) /* * Data area reserved for FWNMI option. @@ -1164,7 +1372,7 @@ fwnmi_data_area: /* pseries and powernv need to keep the whole page from * 0x7000 to 0x8000 free for use by the firmware */ - . = 0x8000 + . = 0x8000 #endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */ /* Space for CPU0's segment table */ diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 58bddee..116f086 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -422,7 +422,7 @@ _STATIC(__after_prom_start) tovirt(r6,r6) /* on booke, we already run at PAGE_OFFSET */ #endif -#ifdef CONFIG_CRASH_DUMP +#ifdef CONFIG_RELOCATABLE /* * Check if the kernel has to be running as relocatable kernel based on the * variable __run_at_load, if it is set the kernel is treated as relocatable @@ -432,7 +432,8 @@ _STATIC(__after_prom_start) cmplwi cr0,r7,1 bne 3f - li r5,__end_interrupts - _stext /* just copy interrupts */ + /* just copy interrupts */ + LOAD_REG_IMMEDIATE(r5, __end_interrupts - _stext) b 5f 3: #endif @@ -703,6 +704,7 @@ _INIT_STATIC(start_here_multiplatform) #ifdef CONFIG_PPC_EARLY_DEBUG_OPAL /* Setup OPAL entry */ + LOAD_REG_ADDR(r11, opal) std r28,0(r11); std r29,8(r11); #endif diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index 2099d9a..ea78761 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -55,9 +55,6 @@ __setup("powersave=off", powersave_off); */ void cpu_idle(void) { - if (ppc_md.idle_loop) - ppc_md.idle_loop(); /* doesn't return */ - set_thread_flag(TIF_POLLING_NRFLAG); while (1) { tick_nohz_idle_enter(); diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 8226c6c..c862fd7 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -656,7 +656,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) struct iommu_pool *p; /* number of bytes needed for the bitmap */ - sz = (tbl->it_size + 7) >> 3; + sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long); page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz)); if (!page) @@ -708,7 +708,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) void iommu_free_table(struct iommu_table *tbl, const char *node_name) { - unsigned long bitmap_sz, i; + unsigned long bitmap_sz; unsigned int order; if (!tbl || !tbl->it_map) { @@ -718,17 +718,11 @@ void iommu_free_table(struct iommu_table *tbl, const char *node_name) } /* verify that table contains no entries */ - /* it_size is in entries, and we're examining 64 at a time */ - for (i = 0; i < (tbl->it_size/64); i++) { - if (tbl->it_map[i] != 0) { - printk(KERN_WARNING "%s: Unexpected TCEs for %s\n", - __func__, node_name); - break; - } - } + if (!bitmap_empty(tbl->it_map, tbl->it_size)) + pr_warn("%s: Unexpected TCEs for %s\n", __func__, node_name); /* calculate bitmap size in bytes */ - bitmap_sz = (tbl->it_size + 7) / 8; + bitmap_sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long); /* free bitmap */ order = get_order(bitmap_sz); diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index fa9f6c7..e1ec57e 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -218,23 +218,23 @@ static void __init export_crashk_values(struct device_node *node) * be sure what's in them, so remove them. */ prop = of_find_property(node, "linux,crashkernel-base", NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); prop = of_find_property(node, "linux,crashkernel-size", NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); if (crashk_res.start != 0) { - prom_add_property(node, &crashk_base_prop); + of_add_property(node, &crashk_base_prop); crashk_size = resource_size(&crashk_res); - prom_add_property(node, &crashk_size_prop); + of_add_property(node, &crashk_size_prop); } /* * memory_limit is required by the kexec-tools to limit the * crash regions to the actual memory used. */ - prom_update_property(node, &memory_limit_prop); + of_update_property(node, &memory_limit_prop); } static int __init kexec_setup(void) @@ -249,11 +249,11 @@ static int __init kexec_setup(void) /* remove any stale properties so ours can be found */ prop = of_find_property(node, kernel_end_prop.name, NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); /* information needed by userspace when using default_machine_kexec */ kernel_end = __pa(_end); - prom_add_property(node, &kernel_end_prop); + of_add_property(node, &kernel_end_prop); export_crashk_values(node); diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index d7f6090..7206701 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -389,14 +389,14 @@ static int __init export_htab_values(void) /* remove any stale propertys so ours can be found */ prop = of_find_property(node, htab_base_prop.name, NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); prop = of_find_property(node, htab_size_prop.name, NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); htab_base = __pa(htab_address); - prom_add_property(node, &htab_base_prop); - prom_add_property(node, &htab_size_prop); + of_add_property(node, &htab_base_prop); + of_add_property(node, &htab_size_prop); of_node_put(node); return 0; diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 4b06ec5..64f526a 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -208,7 +208,7 @@ pci_create_OF_bus_map(void) of_prop->name = "pci-OF-bus-map"; of_prop->length = 256; of_prop->value = &of_prop[1]; - prom_add_property(dn, of_prop); + of_add_property(dn, of_prop); of_node_put(dn); } } diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 37725e8..8b6f7a9 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -32,6 +32,7 @@ #include <linux/debugfs.h> #include <linux/irq.h> #include <linux/memblock.h> +#include <linux/of.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -49,11 +50,11 @@ #include <asm/btext.h> #include <asm/sections.h> #include <asm/machdep.h> -#include <asm/pSeries_reconfig.h> #include <asm/pci-bridge.h> #include <asm/kexec.h> #include <asm/opal.h> #include <asm/fadump.h> +#include <asm/debug.h> #include <mm/mmu_decl.h> @@ -802,7 +803,7 @@ static int prom_reconfig_notifier(struct notifier_block *nb, int err; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: err = of_finish_dynamic_node(node); if (err < 0) printk(KERN_ERR "finish_node returned %d\n", err); @@ -821,7 +822,7 @@ static struct notifier_block prom_reconfig_nb = { static int __init prom_reconfig_setup(void) { - return pSeries_reconfig_notifier_register(&prom_reconfig_nb); + return of_reconfig_notifier_register(&prom_reconfig_nb); } __initcall(prom_reconfig_setup); #endif diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index cb6c123..779f340 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -671,6 +671,7 @@ static void __init early_cmdline_parse(void) #define OV1_PPC_2_04 0x08 /* set if we support PowerPC 2.04 */ #define OV1_PPC_2_05 0x04 /* set if we support PowerPC 2.05 */ #define OV1_PPC_2_06 0x02 /* set if we support PowerPC 2.06 */ +#define OV1_PPC_2_07 0x01 /* set if we support PowerPC 2.07 */ /* Option vector 2: Open Firmware options supported */ #define OV2_REAL_MODE 0x20 /* set if we want OF in real mode */ @@ -707,6 +708,7 @@ static void __init early_cmdline_parse(void) #define OV5_PFO_HW_RNG 0x80 /* PFO Random Number Generator */ #define OV5_PFO_HW_842 0x40 /* PFO Compression Accelerator */ #define OV5_PFO_HW_ENCR 0x20 /* PFO Encryption Accelerator */ +#define OV5_SUB_PROCESSORS 0x01 /* 1,2,or 4 Sub-Processors supported */ /* Option Vector 6: IBM PAPR hints */ #define OV6_LINUX 0x02 /* Linux is our OS */ @@ -719,6 +721,8 @@ static unsigned char ibm_architecture_vec[] = { W(0xfffe0000), W(0x003a0000), /* POWER5/POWER5+ */ W(0xffff0000), W(0x003e0000), /* POWER6 */ W(0xffff0000), W(0x003f0000), /* POWER7 */ + W(0xffff0000), W(0x004b0000), /* POWER8 */ + W(0xffffffff), W(0x0f000004), /* all 2.07-compliant */ W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */ W(0xffffffff), W(0x0f000002), /* all 2.05-compliant */ W(0xfffffffe), W(0x0f000001), /* all 2.04-compliant and earlier */ @@ -728,7 +732,7 @@ static unsigned char ibm_architecture_vec[] = { 3 - 2, /* length */ 0, /* don't ignore, don't halt */ OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 | - OV1_PPC_2_04 | OV1_PPC_2_05 | OV1_PPC_2_06, + OV1_PPC_2_04 | OV1_PPC_2_05 | OV1_PPC_2_06 | OV1_PPC_2_07, /* option vector 2: Open Firmware options supported */ 34 - 2, /* length */ @@ -755,7 +759,7 @@ static unsigned char ibm_architecture_vec[] = { OV4_MIN_ENT_CAP, /* minimum VP entitled capacity */ /* option vector 5: PAPR/OF options */ - 18 - 2, /* length */ + 19 - 2, /* length */ 0, /* don't ignore, don't halt */ OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_DONATE_DEDICATE_CPU | OV5_MSI, @@ -769,13 +773,14 @@ static unsigned char ibm_architecture_vec[] = { * must match by the macro below. Update the definition if * the structure layout changes. */ -#define IBM_ARCH_VEC_NRCORES_OFFSET 101 +#define IBM_ARCH_VEC_NRCORES_OFFSET 117 W(NR_CPUS), /* number of cores supported */ 0, 0, 0, 0, OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR | OV5_PFO_HW_842, + OV5_SUB_PROCESSORS, /* option vector 6: IBM PAPR hints */ 4 - 2, /* length */ 0, diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 79d8e56..c497000 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -952,6 +952,10 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, arch_bp_generic_fields(data & (DABR_DATA_WRITE | DABR_DATA_READ), &attr.bp_type); + + /* Enable breakpoint */ + attr.disabled = false; + ret = modify_user_hw_breakpoint(bp, &attr); if (ret) { ptrace_put_breakpoints(task); @@ -1037,7 +1041,7 @@ void ptrace_disable(struct task_struct *child) } #ifdef CONFIG_PPC_ADV_DEBUG_REGS -static long set_intruction_bp(struct task_struct *child, +static long set_instruction_bp(struct task_struct *child, struct ppc_hw_breakpoint *bp_info) { int slot; @@ -1338,6 +1342,12 @@ static int set_dac_range(struct task_struct *child, static long ppc_set_hwdebug(struct task_struct *child, struct ppc_hw_breakpoint *bp_info) { +#ifdef CONFIG_HAVE_HW_BREAKPOINT + int len = 0; + struct thread_struct *thread = &(child->thread); + struct perf_event *bp; + struct perf_event_attr attr; +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ #ifndef CONFIG_PPC_ADV_DEBUG_REGS unsigned long dabr; #endif @@ -1365,7 +1375,7 @@ static long ppc_set_hwdebug(struct task_struct *child, if ((bp_info->trigger_type != PPC_BREAKPOINT_TRIGGER_EXECUTE) || (bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE)) return -EINVAL; - return set_intruction_bp(child, bp_info); + return set_instruction_bp(child, bp_info); } if (bp_info->addr_mode == PPC_BREAKPOINT_MODE_EXACT) return set_dac(child, bp_info); @@ -1381,13 +1391,9 @@ static long ppc_set_hwdebug(struct task_struct *child, */ if ((bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_RW) == 0 || (bp_info->trigger_type & ~PPC_BREAKPOINT_TRIGGER_RW) != 0 || - bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT || bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE) return -EINVAL; - if (child->thread.dabr) - return -ENOSPC; - if ((unsigned long)bp_info->addr >= TASK_SIZE) return -EIO; @@ -1397,6 +1403,50 @@ static long ppc_set_hwdebug(struct task_struct *child, dabr |= DABR_DATA_READ; if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE) dabr |= DABR_DATA_WRITE; +#ifdef CONFIG_HAVE_HW_BREAKPOINT + if (ptrace_get_breakpoints(child) < 0) + return -ESRCH; + + /* + * Check if the request is for 'range' breakpoints. We can + * support it if range < 8 bytes. + */ + if (bp_info->addr_mode == PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE) { + len = bp_info->addr2 - bp_info->addr; + } else if (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT) { + ptrace_put_breakpoints(child); + return -EINVAL; + } + bp = thread->ptrace_bps[0]; + if (bp) { + ptrace_put_breakpoints(child); + return -ENOSPC; + } + + /* Create a new breakpoint request if one doesn't exist already */ + hw_breakpoint_init(&attr); + attr.bp_addr = (unsigned long)bp_info->addr & ~HW_BREAKPOINT_ALIGN; + attr.bp_len = len; + arch_bp_generic_fields(dabr & (DABR_DATA_WRITE | DABR_DATA_READ), + &attr.bp_type); + + thread->ptrace_bps[0] = bp = register_user_hw_breakpoint(&attr, + ptrace_triggered, NULL, child); + if (IS_ERR(bp)) { + thread->ptrace_bps[0] = NULL; + ptrace_put_breakpoints(child); + return PTR_ERR(bp); + } + + ptrace_put_breakpoints(child); + return 1; +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ + + if (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT) + return -EINVAL; + + if (child->thread.dabr) + return -ENOSPC; child->thread.dabr = dabr; child->thread.dabrx = DABRX_ALL; @@ -1405,8 +1455,13 @@ static long ppc_set_hwdebug(struct task_struct *child, #endif /* !CONFIG_PPC_ADV_DEBUG_DVCS */ } -static long ppc_del_hwdebug(struct task_struct *child, long addr, long data) +static long ppc_del_hwdebug(struct task_struct *child, long data) { +#ifdef CONFIG_HAVE_HW_BREAKPOINT + int ret = 0; + struct thread_struct *thread = &(child->thread); + struct perf_event *bp; +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ #ifdef CONFIG_PPC_ADV_DEBUG_REGS int rc; @@ -1426,10 +1481,25 @@ static long ppc_del_hwdebug(struct task_struct *child, long addr, long data) #else if (data != 1) return -EINVAL; + +#ifdef CONFIG_HAVE_HW_BREAKPOINT + if (ptrace_get_breakpoints(child) < 0) + return -ESRCH; + + bp = thread->ptrace_bps[0]; + if (bp) { + unregister_hw_breakpoint(bp); + thread->ptrace_bps[0] = NULL; + } else + ret = -ENOENT; + ptrace_put_breakpoints(child); + return ret; +#else /* CONFIG_HAVE_HW_BREAKPOINT */ if (child->thread.dabr == 0) return -ENOENT; child->thread.dabr = 0; +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ return 0; #endif @@ -1536,7 +1606,11 @@ long arch_ptrace(struct task_struct *child, long request, dbginfo.data_bp_alignment = 4; #endif dbginfo.sizeof_condition = 0; +#ifdef CONFIG_HAVE_HW_BREAKPOINT + dbginfo.features = PPC_DEBUG_FEATURE_DATA_BP_RANGE; +#else dbginfo.features = 0; +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ #endif /* CONFIG_PPC_ADV_DEBUG_REGS */ if (!access_ok(VERIFY_WRITE, datavp, @@ -1563,7 +1637,7 @@ long arch_ptrace(struct task_struct *child, long request, } case PPC_PTRACE_DELHWDEBUG: { - ret = ppc_del_hwdebug(child, addr, data); + ret = ppc_del_hwdebug(child, data); break; } diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index fcec382..1fd6e7b 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -42,7 +42,6 @@ #include <asm/time.h> #include <asm/mmu.h> #include <asm/topology.h> -#include <asm/pSeries_reconfig.h> struct rtas_t rtas = { .lock = __ARCH_SPIN_LOCK_UNLOCKED diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 20b0120..8329190 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -650,10 +650,8 @@ static int initialize_flash_pde_data(const char *rtas_call_name, int token; dp->data = kzalloc(buf_size, GFP_KERNEL); - if (dp->data == NULL) { - remove_flash_pde(dp); + if (dp->data == NULL) return -ENOMEM; - } /* * This code assumes that the status int is the first member of the diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index efb6a41..6da881b 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -601,6 +601,11 @@ void __init setup_arch(char **cmdline_p) kvm_linear_init(); + /* Interrupt code needs to be 64K-aligned */ + if ((unsigned long)_stext & 0xffff) + panic("Kernelbase not 64K-aligned (0x%lx)!\n", + (unsigned long)_stext); + ppc64_boot_msg(0x15, "Setup Done"); } diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index c39c1ca..f974849 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -122,29 +122,6 @@ int udbg_write(const char *s, int n) return n - remain; } -int udbg_read(char *buf, int buflen) -{ - char *p = buf; - int i, c; - - if (!udbg_getc) - return 0; - - for (i = 0; i < buflen; ++i) { - do { - c = udbg_getc(); - if (c == -1 && i == 0) - return -1; - - } while (c == 0x11 || c == 0x13); - if (c == 0 || c == -1) - break; - *p++ = c; - } - - return i; -} - #define UDBG_BUFSIZE 256 void udbg_printf(const char *fmt, ...) { diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 59213cf..bba87ca 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -399,18 +399,6 @@ static unsigned long read_n_cells(int n, const unsigned int **buf) return result; } -struct of_drconf_cell { - u64 base_addr; - u32 drc_index; - u32 reserved; - u32 aa_index; - u32 flags; -}; - -#define DRCONF_MEM_ASSIGNED 0x00000008 -#define DRCONF_MEM_AI_INVALID 0x00000040 -#define DRCONF_MEM_RESERVED 0x00000080 - /* * Read the next memblock list entry from the ibm,dynamic-memory property * and return the information in the provided of_drconf_cell structure. diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S index fab919f..626ad08 100644 --- a/arch/powerpc/mm/tlb_nohash_low.S +++ b/arch/powerpc/mm/tlb_nohash_low.S @@ -191,12 +191,6 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_47x) #ifdef CONFIG_PPC_47x /* - * 47x variant of icbt - */ -# define ICBT(CT,RA,RB) \ - .long 0x7c00002c | ((CT) << 21) | ((RA) << 16) | ((RB) << 11) - -/* * _tlbivax_bcast is only on 47x. We don't bother doing a runtime * check though, it will blow up soon enough if we mistakenly try * to use it on a 440. @@ -208,8 +202,7 @@ _GLOBAL(_tlbivax_bcast) wrteei 0 mtspr SPRN_MMUCR,r5 isync -/* tlbivax 0,r3 - use .long to avoid binutils deps */ - .long 0x7c000624 | (r3 << 11) + PPC_TLBIVAX(0, R3) isync eieio tlbsync @@ -227,11 +220,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_476_DD2) bl 2f 2: mflr r6 li r7,32 - ICBT(0,r6,r7) /* touch next cache line */ + PPC_ICBT(0,R6,R7) /* touch next cache line */ add r6,r6,r7 - ICBT(0,r6,r7) /* touch next cache line */ + PPC_ICBT(0,R6,R7) /* touch next cache line */ add r6,r6,r7 - ICBT(0,r6,r7) /* touch next cache line */ + PPC_ICBT(0,R6,R7) /* touch next cache line */ sync nop nop diff --git a/arch/powerpc/perf/power7-pmu.c b/arch/powerpc/perf/power7-pmu.c index 441af08..2ee01e3 100644 --- a/arch/powerpc/perf/power7-pmu.c +++ b/arch/powerpc/perf/power7-pmu.c @@ -54,8 +54,10 @@ * Layout of constraint bits: * 6666555555555544444444443333333333222222222211111111110000000000 * 3210987654321098765432109876543210987654321098765432109876543210 - * [ ><><><><><><> - * NC P6P5P4P3P2P1 + * < >< ><><><><><><> + * L2 NC P6P5P4P3P2P1 + * + * L2 - 16-18 - Required L2SEL value (select field) * * NC - number of counters * 15: NC error 0x8000 @@ -72,7 +74,7 @@ static int power7_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp) { - int pmc, sh; + int pmc, sh, unit; unsigned long mask = 0, value = 0; pmc = (event >> PM_PMC_SH) & PM_PMC_MSK; @@ -90,6 +92,15 @@ static int power7_get_constraint(u64 event, unsigned long *maskp, mask |= 0x8000; value |= 0x1000; } + + unit = (event >> PM_UNIT_SH) & PM_UNIT_MSK; + if (unit == 6) { + /* L2SEL must be identical across events */ + int l2sel = (event >> PM_L2SEL_SH) & PM_L2SEL_MSK; + mask |= 0x7 << 16; + value |= l2sel << 16; + } + *maskp = mask; *valp = value; return 0; diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index b62508b..c169998 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -2,7 +2,6 @@ config PPC_MPC512x bool "512x-based boards" depends on 6xx select FSL_SOC - select FB_FSL_DIU select IPIC select PPC_CLOCK select PPC_PCI_CHOICE diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c index dcef6ad..0a134e0 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -42,7 +42,10 @@ static void __init mpc5121_ads_setup_arch(void) for_each_compatible_node(np, "pci", "fsl,mpc5121-pci") mpc83xx_add_bridge(np); #endif + +#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) mpc512x_setup_diu(); +#endif } static void __init mpc5121_ads_init_IRQ(void) diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h index 1ab6d11..c32b399 100644 --- a/arch/powerpc/platforms/512x/mpc512x.h +++ b/arch/powerpc/platforms/512x/mpc512x.h @@ -16,6 +16,13 @@ extern void __init mpc512x_init(void); extern int __init mpc5121_clk_init(void); void __init mpc512x_declare_of_platform_devices(void); extern void mpc512x_restart(char *cmd); -extern void mpc512x_init_diu(void); -extern void mpc512x_setup_diu(void); + +#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) +void mpc512x_init_diu(void); +void mpc512x_setup_diu(void); +#else +#define mpc512x_init_diu NULL +#define mpc512x_setup_diu NULL +#endif + #endif /* __MPC512X_H__ */ diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c index 1650e09..35f14fd 100644 --- a/arch/powerpc/platforms/512x/mpc512x_shared.c +++ b/arch/powerpc/platforms/512x/mpc512x_shared.c @@ -58,6 +58,8 @@ void mpc512x_restart(char *cmd) ; } +#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) + struct fsl_diu_shared_fb { u8 gamma[0x300]; /* 32-bit aligned! */ struct diu_ad ad0; /* 32-bit aligned! */ @@ -66,25 +68,6 @@ struct fsl_diu_shared_fb { bool in_use; }; -u32 mpc512x_get_pixel_format(enum fsl_diu_monitor_port port, - unsigned int bits_per_pixel) -{ - switch (bits_per_pixel) { - case 32: - return 0x88883316; - case 24: - return 0x88082219; - case 16: - return 0x65053118; - } - return 0x00000400; -} - -void mpc512x_set_gamma_table(enum fsl_diu_monitor_port port, - char *gamma_table_base) -{ -} - void mpc512x_set_monitor_port(enum fsl_diu_monitor_port port) { } @@ -320,14 +303,14 @@ void __init mpc512x_setup_diu(void) } } - diu_ops.get_pixel_format = mpc512x_get_pixel_format; - diu_ops.set_gamma_table = mpc512x_set_gamma_table; diu_ops.set_monitor_port = mpc512x_set_monitor_port; diu_ops.set_pixel_clock = mpc512x_set_pixel_clock; diu_ops.valid_monitor_port = mpc512x_valid_monitor_port; diu_ops.release_bootmem = mpc512x_release_bootmem; } +#endif + void __init mpc512x_init_IRQ(void) { struct device_node *np; diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 448d862..1843bc9 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -4,7 +4,7 @@ * Written by: Grant Likely <grant.likely@secretlab.ca> * * Copyright (C) Secret Lab Technologies Ltd. 2006. All rights reserved. - * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. + * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved. * * Description: * This program is free software; you can redistribute it and/or modify it diff --git a/arch/powerpc/platforms/52xx/mpc5200_simple.c b/arch/powerpc/platforms/52xx/mpc5200_simple.c index 9cf3602..792a301 100644 --- a/arch/powerpc/platforms/52xx/mpc5200_simple.c +++ b/arch/powerpc/platforms/52xx/mpc5200_simple.c @@ -50,6 +50,7 @@ static void __init mpc5200_simple_setup_arch(void) /* list of the supported boards */ static const char *board[] __initdata = { + "anonymous,a3m071", "anonymous,a4m072", "anon,charon", "ifm,o2d", diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 2351f9e..16150fa 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -578,18 +578,4 @@ static struct platform_driver mpc52xx_lpbfifo_driver = { .probe = mpc52xx_lpbfifo_probe, .remove = __devexit_p(mpc52xx_lpbfifo_remove), }; - -/*********************************************************************** - * Module init/exit - */ -static int __init mpc52xx_lpbfifo_init(void) -{ - return platform_driver_register(&mpc52xx_lpbfifo_driver); -} -module_init(mpc52xx_lpbfifo_init); - -static void __exit mpc52xx_lpbfifo_exit(void) -{ - platform_driver_unregister(&mpc52xx_lpbfifo_driver); -} -module_exit(mpc52xx_lpbfifo_exit); +module_platform_driver(mpc52xx_lpbfifo_driver); diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index 328d221..74861a7 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -16,7 +16,6 @@ #include <linux/spinlock.h> #include <linux/irq.h> #include <linux/types.h> -#include <linux/bootmem.h> #include <linux/slab.h> #include <asm/io.h> @@ -149,7 +148,7 @@ int __init pq2ads_pci_init_irq(void) priv->regs = of_iomap(np, 0); if (!priv->regs) { printk(KERN_ERR "Cannot map PCI PIC registers.\n"); - goto out_free_bootmem; + goto out_free_kmalloc; } /* mask all PCI interrupts */ @@ -171,9 +170,8 @@ int __init pq2ads_pci_init_irq(void) out_unmap_regs: iounmap(priv->regs); -out_free_bootmem: - free_bootmem((unsigned long)priv, - sizeof(struct pq2ads_pci_pic)); +out_free_kmalloc: + kfree(priv); of_node_put(np); out_unmap_irq: irq_dispose_mapping(irq); diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index d440435..8d76220 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -1,5 +1,5 @@ /* - * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. + * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved. * * Description: * MPC832xE MDS board specific routines. diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index 1b1f6c8..1a26d2f 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -1,5 +1,5 @@ /* - * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. + * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved. * * Author: Li Yang <LeoLi@freescale.com> * Yin Olivia <Hong-hua.Yin@freescale.com> diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c index f8769d7..b63b42d 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_rdk.c +++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c @@ -1,7 +1,7 @@ /* * MPC8360E-RDK board file. * - * Copyright (c) 2006 Freescale Semicondutor, Inc. + * Copyright (c) 2006 Freescale Semiconductor, Inc. * Copyright (c) 2007-2008 MontaVista Software, Inc. * * Author: Anton Vorontsov <avorontsov@ru.mvista.com> diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c index eca1f09..9813c81 100644 --- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c @@ -1,7 +1,7 @@ /* * arch/powerpc/platforms/83xx/mpc837x_rdb.c * - * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. * * MPC837x RDB board specific routines * diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 8498f73..bd12588 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2010, 2012 Freescale Semicondutor, Inc. + * Copyright (C) 2006-2010, 2012 Freescale Semiconductor, Inc. * All rights reserved. * * Author: Andy Fleming <afleming@freescale.com> diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index 848a3e9..7328b8d 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -249,7 +249,7 @@ static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port) goto exit; } - iprop = of_get_property(law_node, "fsl,num-laws", 0); + iprop = of_get_property(law_node, "fsl,num-laws", NULL); if (!iprop) { pr_err("p1022ds: LAW node is missing fsl,num-laws property\n"); goto exit; @@ -539,7 +539,7 @@ static void __init p1022_ds_setup_arch(void) }; /* - * prom_update_property() is called before + * of_update_property() is called before * kmalloc() is available, so the 'new' object * should be allocated in the global area. * The easiest way is to do that is to @@ -548,7 +548,7 @@ static void __init p1022_ds_setup_arch(void) */ pr_info("p1022ds: disabling %s node", np2->full_name); - prom_update_property(np2, &nor_status); + of_update_property(np2, &nor_status); of_node_put(np2); } @@ -564,7 +564,7 @@ static void __init p1022_ds_setup_arch(void) pr_info("p1022ds: disabling %s node", np2->full_name); - prom_update_property(np2, &nand_status); + of_update_property(np2, &nand_status); of_node_put(np2); } diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 6fcfa12..148c2f2 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -128,6 +128,19 @@ static void __cpuinit smp_85xx_mach_cpu_die(void) } #endif +static inline void flush_spin_table(void *spin_table) +{ + flush_dcache_range((ulong)spin_table, + (ulong)spin_table + sizeof(struct epapr_spin_table)); +} + +static inline u32 read_spin_table_addr_l(void *spin_table) +{ + flush_dcache_range((ulong)spin_table, + (ulong)spin_table + sizeof(struct epapr_spin_table)); + return in_be32(&((struct epapr_spin_table *)spin_table)->addr_l); +} + static int __cpuinit smp_85xx_kick_cpu(int nr) { unsigned long flags; @@ -161,8 +174,8 @@ static int __cpuinit smp_85xx_kick_cpu(int nr) /* Map the spin table */ if (ioremappable) - spin_table = ioremap(*cpu_rel_addr, - sizeof(struct epapr_spin_table)); + spin_table = ioremap_prot(*cpu_rel_addr, + sizeof(struct epapr_spin_table), _PAGE_COHERENT); else spin_table = phys_to_virt(*cpu_rel_addr); @@ -173,7 +186,16 @@ static int __cpuinit smp_85xx_kick_cpu(int nr) generic_set_cpu_up(nr); if (system_state == SYSTEM_RUNNING) { + /* + * To keep it compatible with old boot program which uses + * cache-inhibit spin table, we need to flush the cache + * before accessing spin table to invalidate any staled data. + * We also need to flush the cache after writing to spin + * table to push data out. + */ + flush_spin_table(spin_table); out_be32(&spin_table->addr_l, 0); + flush_spin_table(spin_table); /* * We don't set the BPTR register here since it already points @@ -181,9 +203,14 @@ static int __cpuinit smp_85xx_kick_cpu(int nr) */ mpic_reset_core(hw_cpu); - /* wait until core is ready... */ - if (!spin_event_timeout(in_be32(&spin_table->addr_l) == 1, - 10000, 100)) { + /* + * wait until core is ready... + * We need to invalidate the stale data, in case the boot + * loader uses a cache-inhibited spin table. + */ + if (!spin_event_timeout( + read_spin_table_addr_l(spin_table) == 1, + 10000, 100)) { pr_err("%s: timeout waiting for core %d to reset\n", __func__, hw_cpu); ret = -ENOENT; @@ -194,12 +221,10 @@ static int __cpuinit smp_85xx_kick_cpu(int nr) __secondary_hold_acknowledge = -1; } #endif + flush_spin_table(spin_table); out_be32(&spin_table->pir, hw_cpu); out_be32(&spin_table->addr_l, __pa(__early_start)); - - if (!ioremappable) - flush_dcache_range((ulong)spin_table, - (ulong)spin_table + sizeof(struct epapr_spin_table)); + flush_spin_table(spin_table); /* Wait a bit for the CPU to ack. */ if (!spin_event_timeout(__secondary_hold_acknowledge == hw_cpu, @@ -213,13 +238,11 @@ out: #else smp_generic_kick_cpu(nr); + flush_spin_table(spin_table); out_be32(&spin_table->pir, hw_cpu); out_be64((u64 *)(&spin_table->addr_h), __pa((u64)*((unsigned long long *)generic_secondary_smp_init))); - - if (!ioremappable) - flush_dcache_range((ulong)spin_table, - (ulong)spin_table + sizeof(struct epapr_spin_table)); + flush_spin_table(spin_table); #endif local_irq_restore(flags); diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index a817398..04d9d31 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -353,5 +353,7 @@ define_machine(mpc86xx_hpcd) { .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/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c index 6417119..311b804 100644 --- a/arch/powerpc/platforms/powermac/cpufreq_32.c +++ b/arch/powerpc/platforms/powermac/cpufreq_32.c @@ -55,6 +55,7 @@ static unsigned int low_freq; static unsigned int hi_freq; static unsigned int cur_freq; static unsigned int sleep_freq; +static unsigned long transition_latency; /* * Different models uses different mechanisms to switch the frequency @@ -403,7 +404,7 @@ static int pmac_cpufreq_cpu_init(struct cpufreq_policy *policy) if (policy->cpu != 0) return -ENODEV; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; + policy->cpuinfo.transition_latency = transition_latency; policy->cur = cur_freq; cpufreq_frequency_table_get_attr(pmac_cpu_freqs, policy->cpu); @@ -658,12 +659,14 @@ static int __init pmac_cpufreq_setup(void) if (!value) goto out; cur_freq = (*value) / 1000; + transition_latency = CPUFREQ_ETERNAL; /* Check for 7447A based MacRISC3 */ if (of_machine_is_compatible("MacRISC3") && of_get_property(cpunode, "dynamic-power-step", NULL) && PVR_VER(mfspr(SPRN_PVR)) == 0x8003) { pmac_cpufreq_init_7447A(cpunode); + transition_latency = 8000000; /* Check for other MacRISC3 machines */ } else if (of_machine_is_compatible("PowerBook3,4") || of_machine_is_compatible("PowerBook3,5") || diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 471aa3c..53d052e 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -34,24 +34,12 @@ #include "powernv.h" #include "pci.h" -static int __pe_printk(const char *level, const struct pnv_ioda_pe *pe, - struct va_format *vaf) -{ - char pfix[32]; - - if (pe->pdev) - strlcpy(pfix, dev_name(&pe->pdev->dev), sizeof(pfix)); - else - sprintf(pfix, "%04x:%02x ", - pci_domain_nr(pe->pbus), pe->pbus->number); - return printk("pci %s%s: [PE# %.3d] %pV", level, pfix, pe->pe_number, vaf); -} - #define define_pe_printk_level(func, kern_level) \ static int func(const struct pnv_ioda_pe *pe, const char *fmt, ...) \ { \ struct va_format vaf; \ va_list args; \ + char pfix[32]; \ int r; \ \ va_start(args, fmt); \ @@ -59,7 +47,16 @@ static int func(const struct pnv_ioda_pe *pe, const char *fmt, ...) \ vaf.fmt = fmt; \ vaf.va = &args; \ \ - r = __pe_printk(kern_level, pe, &vaf); \ + if (pe->pdev) \ + strlcpy(pfix, dev_name(&pe->pdev->dev), \ + sizeof(pfix)); \ + else \ + sprintf(pfix, "%04x:%02x ", \ + pci_domain_nr(pe->pbus), \ + pe->pbus->number); \ + r = printk(kern_level "pci %s: [PE# %.3d] %pV", \ + pfix, pe->pe_number, &vaf); \ + \ va_end(args); \ \ return r; \ diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index 56d26bc..0978713 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -280,13 +280,13 @@ static void os_area_set_property(struct device_node *node, if (tmp) { pr_debug("%s:%d found %s\n", __func__, __LINE__, prop->name); - prom_remove_property(node, tmp); + of_remove_property(node, tmp); } - result = prom_add_property(node, prop); + result = of_add_property(node, prop); if (result) - pr_debug("%s:%d prom_set_property failed\n", __func__, + pr_debug("%s:%d of_set_property failed\n", __func__, __LINE__); } diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index 0f1b706..a1a7b9a 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -13,17 +13,16 @@ #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 <linux/slab.h> +#include <linux/of.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; @@ -255,9 +254,6 @@ static struct device_node *derive_parent(const char *path) int dlpar_attach_node(struct device_node *dn) { -#ifdef CONFIG_PROC_DEVICETREE - struct proc_dir_entry *ent; -#endif int rc; of_node_set_flag(dn, OF_DYNAMIC); @@ -266,44 +262,26 @@ int dlpar_attach_node(struct device_node *dn) if (!dn->parent) return -ENOMEM; - rc = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, dn); + rc = of_attach_node(dn); if (rc) { printk(KERN_ERR "Failed to add device node %s\n", dn->full_name); return rc; } - 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) { -#ifdef CONFIG_PROC_DEVICETREE - struct device_node *parent = dn->parent; - struct property *prop = dn->properties; - - while (prop) { - remove_proc_entry(prop->name, dn->pde); - prop = prop->next; - } + int rc; - if (dn->pde) - remove_proc_entry(dn->pde->name, parent->pde); -#endif + rc = of_detach_node(dn); + if (rc) + return rc; - pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, dn); - of_detach_node(dn); of_node_put(dn); /* Must decrement the refcount */ - return 0; } diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index 0b0eff0..7b56118 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -56,6 +56,7 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = { {FW_FEATURE_MULTITCE, "hcall-multi-tce"}, {FW_FEATURE_SPLPAR, "hcall-splpar"}, {FW_FEATURE_VPHN, "hcall-vphn"}, + {FW_FEATURE_SET_MODE, "hcall-set-mode"}, }; /* Build up the firmware features bitmask using the contents of diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 64c97d8..a389562 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -23,12 +23,12 @@ #include <linux/delay.h> #include <linux/sched.h> /* for idle_task_exit */ #include <linux/cpu.h> +#include <linux/of.h> #include <asm/prom.h> #include <asm/rtas.h> #include <asm/firmware.h> #include <asm/machdep.h> #include <asm/vdso_datapage.h> -#include <asm/pSeries_reconfig.h> #include <asm/xics.h> #include "plpar_wrappers.h" #include "offline_states.h" @@ -333,10 +333,10 @@ static int pseries_smp_notifier(struct notifier_block *nb, int err = 0; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: err = pseries_add_processor(node); break; - case PSERIES_RECONFIG_REMOVE: + case OF_RECONFIG_DETACH_NODE: pseries_remove_processor(node); break; } @@ -399,7 +399,7 @@ static int __init pseries_cpu_hotplug_init(void) /* Processors can be added/removed only on LPAR */ if (firmware_has_feature(FW_FEATURE_LPAR)) { - pSeries_reconfig_notifier_register(&pseries_smp_nb); + of_reconfig_notifier_register(&pseries_smp_nb); cpu_maps_update_begin(); if (cede_offline_enabled && parse_cede_parameters() == 0) { default_offline_state = CPU_STATE_INACTIVE; diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index ecdb0a6..2372c60 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -16,7 +16,6 @@ #include <asm/firmware.h> #include <asm/machdep.h> -#include <asm/pSeries_reconfig.h> #include <asm/sparsemem.h> static unsigned long get_memblock_size(void) @@ -187,42 +186,69 @@ static int pseries_add_memory(struct device_node *np) return (ret < 0) ? -EINVAL : 0; } -static int pseries_drconf_memory(unsigned long *base, unsigned int action) +static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) { + struct of_drconf_cell *new_drmem, *old_drmem; unsigned long memblock_size; - int rc; + u32 entries; + u32 *p; + int i, rc = -EINVAL; memblock_size = get_memblock_size(); if (!memblock_size) return -EINVAL; - if (action == PSERIES_DRCONF_MEM_ADD) { - rc = memblock_add(*base, memblock_size); - rc = (rc < 0) ? -EINVAL : 0; - } else if (action == PSERIES_DRCONF_MEM_REMOVE) { - rc = pseries_remove_memblock(*base, memblock_size); - } else { - rc = -EINVAL; + p = (u32 *)of_get_property(pr->dn, "ibm,dynamic-memory", NULL); + if (!p) + return -EINVAL; + + /* The first int of the property is the number of lmb's described + * by the property. This is followed by an array of of_drconf_cell + * entries. Get the niumber of entries and skip to the array of + * of_drconf_cell's. + */ + entries = *p++; + old_drmem = (struct of_drconf_cell *)p; + + p = (u32 *)pr->prop->value; + p++; + new_drmem = (struct of_drconf_cell *)p; + + for (i = 0; i < entries; i++) { + if ((old_drmem[i].flags & DRCONF_MEM_ASSIGNED) && + (!(new_drmem[i].flags & DRCONF_MEM_ASSIGNED))) { + rc = pseries_remove_memblock(old_drmem[i].base_addr, + memblock_size); + break; + } else if ((!(old_drmem[i].flags & DRCONF_MEM_ASSIGNED)) && + (new_drmem[i].flags & DRCONF_MEM_ASSIGNED)) { + rc = memblock_add(old_drmem[i].base_addr, + memblock_size); + rc = (rc < 0) ? -EINVAL : 0; + break; + } } return rc; } static int pseries_memory_notifier(struct notifier_block *nb, - unsigned long action, void *node) + unsigned long action, void *node) { + struct of_prop_reconfig *pr; int err = 0; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: err = pseries_add_memory(node); break; - case PSERIES_RECONFIG_REMOVE: + case OF_RECONFIG_DETACH_NODE: err = pseries_remove_memory(node); break; - case PSERIES_DRCONF_MEM_ADD: - case PSERIES_DRCONF_MEM_REMOVE: - err = pseries_drconf_memory(node, action); + case OF_RECONFIG_UPDATE_PROPERTY: + pr = (struct of_prop_reconfig *)node; + if (!strcmp(pr->prop->name, "ibm,dynamic-memory")) + err = pseries_update_drconf_memory(pr); break; } return notifier_from_errno(err); @@ -235,7 +261,7 @@ static struct notifier_block pseries_mem_nb = { static int __init pseries_memory_hotplug_init(void) { if (firmware_has_feature(FW_FEATURE_LPAR)) - pSeries_reconfig_notifier_register(&pseries_mem_nb); + of_reconfig_notifier_register(&pseries_mem_nb); return 0; } diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 6153eea..e2685ba 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -36,13 +36,13 @@ #include <linux/dma-mapping.h> #include <linux/crash_dump.h> #include <linux/memory.h> +#include <linux/of.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/rtas.h> #include <asm/iommu.h> #include <asm/pci-bridge.h> #include <asm/machdep.h> -#include <asm/pSeries_reconfig.h> #include <asm/firmware.h> #include <asm/tce.h> #include <asm/ppc-pci.h> @@ -760,7 +760,7 @@ static void remove_ddw(struct device_node *np) __remove_ddw(np, ddw_avail, liobn); delprop: - ret = prom_remove_property(np, win64); + ret = of_remove_property(np, win64); if (ret) pr_warning("%s: failed to remove direct window property: %d\n", np->full_name, ret); @@ -1070,7 +1070,7 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) goto out_free_window; } - ret = prom_add_property(pdn, win64); + ret = of_add_property(pdn, win64); if (ret) { dev_err(&dev->dev, "unable to add dma window property for %s: %d", pdn->full_name, ret); @@ -1294,7 +1294,7 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti struct direct_window *window; switch (action) { - case PSERIES_RECONFIG_REMOVE: + case OF_RECONFIG_DETACH_NODE: if (pci && pci->iommu_table) iommu_free_table(pci->iommu_table, np->full_name); @@ -1357,7 +1357,7 @@ void iommu_init_early_pSeries(void) } - pSeries_reconfig_notifier_register(&iommu_reconfig_nb); + of_reconfig_notifier_register(&iommu_reconfig_nb); register_memory_notifier(&iommu_mem_nb); set_pci_dma_ops(&dma_iommu_ops); diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c index dd30b12..6573808 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -116,7 +116,7 @@ static int update_dt_property(struct device_node *dn, struct property **prop, } if (!more) { - prom_update_property(dn, new_prop); + of_update_property(dn, new_prop); new_prop = NULL; } @@ -172,7 +172,7 @@ static int update_dt_node(u32 phandle) case 0x80000000: prop = of_find_property(dn, prop_name, NULL); - prom_remove_property(dn, prop); + of_remove_property(dn, prop); prop = NULL; break; diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 13e8cc4..e6cc34a 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -273,4 +273,35 @@ static inline long plpar_put_term_char(unsigned long termno, unsigned long len, lbuf[1]); } +/* Set various resource mode parameters */ +static inline long plpar_set_mode(unsigned long mflags, unsigned long resource, + unsigned long value1, unsigned long value2) +{ + return plpar_hcall_norets(H_SET_MODE, mflags, resource, value1, value2); +} + +/* + * Enable relocation on exceptions on this partition + * + * Note: this call has a partition wide scope and can take a while to complete. + * If it returns H_LONG_BUSY_* it should be retried periodically until it + * returns H_SUCCESS. + */ +static inline long enable_reloc_on_exceptions(void) +{ + /* mflags = 3: Exceptions at 0xC000000000004000 */ + return plpar_set_mode(3, 3, 0, 0); +} + +/* + * Disable relocation on exceptions on this partition + * + * Note: this call has a partition wide scope and can take a while to complete. + * If it returns H_LONG_BUSY_* it should be retried periodically until it + * returns H_SUCCESS. + */ +static inline long disable_reloc_on_exceptions(void) { + return plpar_set_mode(0, 3, 0, 0); +} + #endif /* _PSERIES_PLPAR_WRAPPERS_H */ diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 2f46681..d6491bd 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -16,55 +16,13 @@ #include <linux/notifier.h> #include <linux/proc_fs.h> #include <linux/slab.h> +#include <linux/of.h> #include <asm/prom.h> #include <asm/machdep.h> #include <asm/uaccess.h> -#include <asm/pSeries_reconfig.h> #include <asm/mmu.h> - - -/* - * Routines for "runtime" addition and removal of device tree nodes. - */ -#ifdef CONFIG_PROC_DEVICETREE -/* - * Add a node to /proc/device-tree. - */ -static void add_node_proc_entries(struct device_node *np) -{ - struct proc_dir_entry *ent; - - ent = proc_mkdir(strrchr(np->full_name, '/') + 1, np->parent->pde); - if (ent) - proc_device_tree_add_node(np, ent); -} - -static void remove_node_proc_entries(struct device_node *np) -{ - struct property *pp = np->properties; - struct device_node *parent = np->parent; - - while (pp) { - remove_proc_entry(pp->name, np->pde); - pp = pp->next; - } - if (np->pde) - remove_proc_entry(np->pde->name, parent->pde); -} -#else /* !CONFIG_PROC_DEVICETREE */ -static void add_node_proc_entries(struct device_node *np) -{ - return; -} - -static void remove_node_proc_entries(struct device_node *np) -{ - return; -} -#endif /* CONFIG_PROC_DEVICETREE */ - /** * derive_parent - basically like dirname(1) * @path: the full_name of a node to be added to the tree @@ -97,28 +55,6 @@ static struct device_node *derive_parent(const char *path) return parent; } -static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); - -int pSeries_reconfig_notifier_register(struct notifier_block *nb) -{ - return blocking_notifier_chain_register(&pSeries_reconfig_chain, nb); -} -EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_register); - -void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) -{ - blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb); -} -EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_unregister); - -int pSeries_reconfig_notify(unsigned long action, void *p) -{ - int err = blocking_notifier_call_chain(&pSeries_reconfig_chain, - action, p); - - return notifier_to_errno(err); -} - static int pSeries_reconfig_add_node(const char *path, struct property *proplist) { struct device_node *np; @@ -142,16 +78,12 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist goto out_err; } - err = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, np); + err = of_attach_node(np); if (err) { printk(KERN_ERR "Failed to add device node %s\n", path); goto out_err; } - of_attach_node(np); - - add_node_proc_entries(np); - of_node_put(np->parent); return 0; @@ -179,11 +111,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np) return -EBUSY; } - remove_node_proc_entries(np); - - pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, np); of_detach_node(np); - of_node_put(parent); of_node_put(np); /* Must decrement the refcount */ return 0; @@ -397,7 +325,7 @@ static int do_add_property(char *buf, size_t bufsize) if (!prop) return -ENOMEM; - prom_add_property(np, prop); + of_add_property(np, prop); return 0; } @@ -421,16 +349,15 @@ static int do_remove_property(char *buf, size_t bufsize) prop = of_find_property(np, buf, NULL); - return prom_remove_property(np, prop); + return of_remove_property(np, prop); } static int do_update_property(char *buf, size_t bufsize) { struct device_node *np; - struct pSeries_reconfig_prop_update upd_value; unsigned char *value; char *name, *end, *next_prop; - int rc, length; + int length; struct property *newprop; buf = parse_node(buf, bufsize, &np); end = buf + bufsize; @@ -452,41 +379,7 @@ static int do_update_property(char *buf, size_t bufsize) if (!strcmp(name, "slb-size") || !strcmp(name, "ibm,slb-size")) slb_set_size(*(int *)value); - upd_value.node = np; - upd_value.property = newprop; - pSeries_reconfig_notify(PSERIES_UPDATE_PROPERTY, &upd_value); - - rc = prom_update_property(np, newprop); - if (rc) - return rc; - - /* For memory under the ibm,dynamic-reconfiguration-memory node - * of the device tree, adding and removing memory is just an update - * to the ibm,dynamic-memory property instead of adding/removing a - * memory node in the device tree. For these cases we still need to - * involve the notifier chain. - */ - if (!strcmp(name, "ibm,dynamic-memory")) { - int action; - - next_prop = parse_next_property(next_prop, end, &name, - &length, &value); - if (!next_prop) - return -EINVAL; - - if (!strcmp(name, "add")) - action = PSERIES_DRCONF_MEM_ADD; - else - action = PSERIES_DRCONF_MEM_REMOVE; - - rc = pSeries_reconfig_notify(action, value); - if (rc) { - prom_update_property(np, newprop); - return rc; - } - } - - return 0; + return of_update_property(np, newprop); } /** diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index e3cb7ae..ca55882 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -40,6 +40,8 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/cpuidle.h> +#include <linux/of.h> +#include <linux/kexec.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -63,7 +65,6 @@ #include <asm/smp.h> #include <asm/firmware.h> #include <asm/eeh.h> -#include <asm/pSeries_reconfig.h> #include "plpar_wrappers.h" #include "pseries.h" @@ -258,7 +259,7 @@ static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long act int err = NOTIFY_OK; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: pci = np->parent->data; if (pci) { update_dn_pci_info(np, pci->phb); @@ -367,6 +368,65 @@ static void pSeries_idle(void) } } +/* + * Enable relocation on during exceptions. This has partition wide scope and + * may take a while to complete, if it takes longer than one second we will + * just give up rather than wasting any more time on this - if that turns out + * to ever be a problem in practice we can move this into a kernel thread to + * finish off the process later in boot. + */ +static int __init pSeries_enable_reloc_on_exc(void) +{ + long rc; + unsigned int delay, total_delay = 0; + + while (1) { + rc = enable_reloc_on_exceptions(); + if (!H_IS_LONG_BUSY(rc)) + return rc; + + delay = get_longbusy_msecs(rc); + total_delay += delay; + if (total_delay > 1000) { + pr_warn("Warning: Giving up waiting to enable " + "relocation on exceptions (%u msec)!\n", + total_delay); + return rc; + } + + mdelay(delay); + } +} + +#ifdef CONFIG_KEXEC +static long pSeries_disable_reloc_on_exc(void) +{ + long rc; + + while (1) { + rc = disable_reloc_on_exceptions(); + if (!H_IS_LONG_BUSY(rc)) + return rc; + mdelay(get_longbusy_msecs(rc)); + } +} + +static void pSeries_machine_kexec(struct kimage *image) +{ + long rc; + + if (firmware_has_feature(FW_FEATURE_SET_MODE) && + (image->type != KEXEC_TYPE_CRASH)) { + rc = pSeries_disable_reloc_on_exc(); + if (rc != H_SUCCESS) + pr_warning("Warning: Failed to disable relocation on " + "exceptions: %ld\n", rc); + } + + default_machine_kexec(image); +} +#endif + static void __init pSeries_setup_arch(void) { panic_timeout = 10; @@ -389,7 +449,7 @@ static void __init pSeries_setup_arch(void) /* Find and initialize PCI host bridges */ init_pci_config_tokens(); find_and_init_phbs(); - pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb); + of_reconfig_notifier_register(&pci_dn_reconfig_nb); pSeries_nvram_init(); @@ -402,6 +462,14 @@ static void __init pSeries_setup_arch(void) ppc_md.enable_pmcs = pseries_lpar_enable_pmcs; else ppc_md.enable_pmcs = power4_enable_pmcs; + + if (firmware_has_feature(FW_FEATURE_SET_MODE)) { + long rc; + if ((rc = pSeries_enable_reloc_on_exc()) != H_SUCCESS) { + pr_warn("Unable to enable relocation on exceptions: " + "%ld\n", rc); + } + } } static int __init pSeries_init_panel(void) @@ -659,4 +727,7 @@ define_machine(pseries) { .progress = rtas_progress, .system_reset_exception = pSeries_system_reset_exception, .machine_check_exception = pSeries_machine_check_exception, +#ifdef CONFIG_KEXEC + .machine_kexec = pSeries_machine_kexec, +#endif }; diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 71706bc..9fc0a494 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -38,7 +38,6 @@ #include <asm/cputable.h> #include <asm/firmware.h> #include <asm/rtas.h> -#include <asm/pSeries_reconfig.h> #include <asm/mpic.h> #include <asm/vdso_datapage.h> #include <asm/cputhreads.h> diff --git a/arch/powerpc/sysdev/fsl_gtm.c b/arch/powerpc/sysdev/fsl_gtm.c index 02cf1e7..0eb871c 100644 --- a/arch/powerpc/sysdev/fsl_gtm.c +++ b/arch/powerpc/sysdev/fsl_gtm.c @@ -1,7 +1,7 @@ /* * Freescale General-purpose Timers Module * - * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Copyright (c) Freescale Semiconductor, Inc. 2006. * Shlomi Gridish <gridish@freescale.com> * Jerry Huang <Chang-Ming.Huang@freescale.com> * Copyright (c) MontaVista Software, Inc. 2008. diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 01b62a6..5ba325b 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -89,7 +89,7 @@ static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask) return 0; } -static int __init setup_one_atmu(struct ccsr_pci __iomem *pci, +static int setup_one_atmu(struct ccsr_pci __iomem *pci, unsigned int index, const struct resource *res, resource_size_t offset) { @@ -126,7 +126,7 @@ static int __init setup_one_atmu(struct ccsr_pci __iomem *pci, } /* atmu setup for fsl pci/pcie controller */ -static void __init setup_pci_atmu(struct pci_controller *hose, +static void setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc) { struct ccsr_pci __iomem *pci; @@ -902,9 +902,42 @@ static int __devinit fsl_pci_probe(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int fsl_pci_resume(struct device *dev) +{ + struct pci_controller *hose; + struct resource pci_rsrc; + + hose = pci_find_hose_for_OF_device(dev->of_node); + if (!hose) + return -ENODEV; + + if (of_address_to_resource(dev->of_node, 0, &pci_rsrc)) { + dev_err(dev, "Get pci register base failed."); + return -ENODEV; + } + + setup_pci_atmu(hose, &pci_rsrc); + + return 0; +} + +static const struct dev_pm_ops pci_pm_ops = { + .resume = fsl_pci_resume, +}; + +#define PCI_PM_OPS (&pci_pm_ops) + +#else + +#define PCI_PM_OPS NULL + +#endif + static struct platform_driver fsl_pci_driver = { .driver = { .name = "fsl-pci", + .pm = PCI_PM_OPS, .of_match_table = pci_ids, }, .probe = fsl_pci_probe, diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c index 8f04654..5aaf86c 100644 --- a/arch/powerpc/sysdev/pmi.c +++ b/arch/powerpc/sysdev/pmi.c @@ -214,18 +214,7 @@ static struct platform_driver pmi_of_platform_driver = { .of_match_table = pmi_match, }, }; - -static int __init pmi_module_init(void) -{ - return platform_driver_register(&pmi_of_platform_driver); -} -module_init(pmi_module_init); - -static void __exit pmi_module_exit(void) -{ - platform_driver_unregister(&pmi_of_platform_driver); -} -module_exit(pmi_module_exit); +module_platform_driver(pmi_of_platform_driver); int pmi_send_message(pmi_message_t msg) { diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index b043675..238a07b 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2010 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006-2010 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c index 2fba6ef2..b2b87c30 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_ic.c +++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c @@ -1,7 +1,7 @@ /* * arch/powerpc/sysdev/qe_lib/qe_ic.c * - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Author: Li Yang <leoli@freescale.com> * Based on code from Shlomi Gridish <gridish@freescale.com> diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.h b/arch/powerpc/sysdev/qe_lib/qe_ic.h index c327872..efef7ab 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_ic.h +++ b/arch/powerpc/sysdev/qe_lib/qe_ic.h @@ -3,7 +3,7 @@ * * QUICC ENGINE Interrupt Controller Header * - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Author: Li Yang <leoli@freescale.com> * Based on code from Shlomi Gridish <gridish@freescale.com> diff --git a/arch/powerpc/sysdev/qe_lib/qe_io.c b/arch/powerpc/sysdev/qe_lib/qe_io.c index fd1a6c3..a88807b 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_io.c +++ b/arch/powerpc/sysdev/qe_lib/qe_io.c @@ -3,7 +3,7 @@ * * QE Parallel I/O ports configuration routines * - * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. + * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved. * * Author: Li Yang <LeoLi@freescale.com> * Based on code from Shlomi Gridish <gridish@freescale.com> diff --git a/arch/powerpc/sysdev/qe_lib/ucc.c b/arch/powerpc/sysdev/qe_lib/ucc.c index 0467750..134b07d 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc.c +++ b/arch/powerpc/sysdev/qe_lib/ucc.c @@ -3,7 +3,7 @@ * * QE UCC API Set - UCC specific routines implementations. * - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c index fba0244..cceb2e3 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c +++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/sysdev/qe_lib/ucc_slow.c b/arch/powerpc/sysdev/qe_lib/ucc_slow.c index 524c0ea..1c062f4 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc_slow.c +++ b/arch/powerpc/sysdev/qe_lib/ucc_slow.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> diff --git a/arch/powerpc/sysdev/qe_lib/usb.c b/arch/powerpc/sysdev/qe_lib/usb.c index 9162828..27f23bd 100644 --- a/arch/powerpc/sysdev/qe_lib/usb.c +++ b/arch/powerpc/sysdev/qe_lib/usb.c @@ -1,7 +1,7 @@ /* * QE USB routines * - * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Copyright 2006 Freescale Semiconductor, Inc. * Shlomi Gridish <gridish@freescale.com> * Jerry Huang <Chang-Ming.Huang@freescale.com> * Copyright (c) MontaVista Software, Inc. 2008. diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index c168c54e..b49fdbd 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -6,7 +6,7 @@ GCOV_PROFILE := n ccflags-$(CONFIG_PPC64) := -mno-minimal-toc -obj-y += xmon.o start.o nonstdio.o +obj-y += xmon.o nonstdio.o ifdef CONFIG_XMON_DISASSEMBLY obj-y += ppc-dis.o ppc-opc.o diff --git a/arch/powerpc/xmon/nonstdio.c b/arch/powerpc/xmon/nonstdio.c index bfac84f..bce3dcf 100644 --- a/arch/powerpc/xmon/nonstdio.c +++ b/arch/powerpc/xmon/nonstdio.c @@ -7,9 +7,23 @@ * 2 of the License, or (at your option) any later version. */ #include <linux/string.h> +#include <asm/udbg.h> #include <asm/time.h> #include "nonstdio.h" + +static int xmon_write(const void *ptr, int nb) +{ + return udbg_write(ptr, nb); +} + +static int xmon_readchar(void) +{ + if (udbg_getc) + return udbg_getc(); + return -1; +} + int xmon_putchar(int c) { char ch = c; @@ -23,34 +37,7 @@ static char line[256]; static char *lineptr; static int lineleft; -int xmon_expect(const char *str, unsigned long timeout) -{ - int c; - unsigned long t0; - - /* assume 25MHz default timebase if tb_ticks_per_sec not set yet */ - timeout *= tb_ticks_per_sec? tb_ticks_per_sec: 25000000; - t0 = get_tbl(); - do { - lineptr = line; - for (;;) { - c = xmon_read_poll(); - if (c == -1) { - if (get_tbl() - t0 > timeout) - return 0; - continue; - } - if (c == '\n') - break; - if (c != '\r' && lineptr < &line[sizeof(line) - 1]) - *lineptr++ = c; - } - *lineptr = 0; - } while (strstr(line, str) == NULL); - return 1; -} - -int xmon_getchar(void) +static int xmon_getchar(void) { int c; @@ -124,13 +111,19 @@ char *xmon_gets(char *str, int nb) void xmon_printf(const char *format, ...) { va_list args; - int n; static char xmon_outbuf[1024]; + int rc, n; va_start(args, format); n = vsnprintf(xmon_outbuf, sizeof(xmon_outbuf), format, args); va_end(args); - xmon_write(xmon_outbuf, n); + + rc = xmon_write(xmon_outbuf, n); + + if (n && rc == 0) { + /* No udbg hooks, fallback to printk() - dangerous */ + printk(xmon_outbuf); + } } void xmon_puts(const char *str) diff --git a/arch/powerpc/xmon/nonstdio.h b/arch/powerpc/xmon/nonstdio.h index 23dd95f..18a51de 100644 --- a/arch/powerpc/xmon/nonstdio.h +++ b/arch/powerpc/xmon/nonstdio.h @@ -4,12 +4,6 @@ #define putchar xmon_putchar extern int xmon_putchar(int c); -extern int xmon_getchar(void); extern void xmon_puts(const char *); extern char *xmon_gets(char *, int); extern void xmon_printf(const char *, ...); -extern void xmon_map_scc(void); -extern int xmon_expect(const char *str, unsigned long timeout); -extern int xmon_write(const void *ptr, int nb); -extern int xmon_readchar(void); -extern int xmon_read_poll(void); diff --git a/arch/powerpc/xmon/start.c b/arch/powerpc/xmon/start.c deleted file mode 100644 index 8864de2..0000000 --- a/arch/powerpc/xmon/start.c +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 1996 Paul Mackerras. - * - * 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 <asm/machdep.h> -#include <asm/udbg.h> -#include "nonstdio.h" - -void xmon_map_scc(void) -{ -} - -int xmon_write(const void *ptr, int nb) -{ - return udbg_write(ptr, nb); -} - -int xmon_readchar(void) -{ - if (udbg_getc) - return udbg_getc(); - return -1; -} - -int xmon_read_poll(void) -{ - if (udbg_getc_poll) - return udbg_getc_poll(); - return -1; -} diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 3a56a63..1f8d2f1 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -52,9 +52,6 @@ #include "nonstdio.h" #include "dis-asm.h" -#define scanhex xmon_scanhex -#define skipbl xmon_skipbl - #ifdef CONFIG_SMP static cpumask_t cpus_in_xmon = CPU_MASK_NONE; static unsigned long xmon_taken = 1; @@ -169,12 +166,8 @@ extern void xmon_leave(void); #ifdef CONFIG_PPC64 #define REG "%.16lx" -#define REGS_PER_LINE 4 -#define LAST_VOLATILE 13 #else #define REG "%.8lx" -#define REGS_PER_LINE 8 -#define LAST_VOLATILE 12 #endif #define GETWORD(v) (((v)[0] << 24) + ((v)[1] << 16) + ((v)[2] << 8) + (v)[3]) @@ -1288,27 +1281,19 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, catch_memory_errors = 0; } -static int xmon_depth_to_print = 64; - #define LRSAVE_OFFSET (STACK_FRAME_LR_SAVE * sizeof(unsigned long)) #define MARKER_OFFSET (STACK_FRAME_MARKER * sizeof(unsigned long)) -#ifdef __powerpc64__ -#define REGS_OFFSET 0x70 -#else -#define REGS_OFFSET 16 -#endif - static void xmon_show_stack(unsigned long sp, unsigned long lr, unsigned long pc) { + int max_to_print = 64; unsigned long ip; unsigned long newsp; unsigned long marker; - int count = 0; struct pt_regs regs; - do { + while (max_to_print--) { if (sp < PAGE_OFFSET) { if (sp != 0) printf("SP (%lx) is in userspace\n", sp); @@ -1362,10 +1347,10 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr, an exception frame. */ if (mread(sp + MARKER_OFFSET, &marker, sizeof(unsigned long)) && marker == STACK_FRAME_REGS_MARKER) { - if (mread(sp + REGS_OFFSET, ®s, sizeof(regs)) + if (mread(sp + STACK_FRAME_OVERHEAD, ®s, sizeof(regs)) != sizeof(regs)) { printf("Couldn't read registers at %lx\n", - sp + REGS_OFFSET); + sp + STACK_FRAME_OVERHEAD); break; } printf("--- Exception: %lx %s at ", regs.trap, @@ -1379,7 +1364,7 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr, break; sp = newsp; - } while (count++ < xmon_depth_to_print); + } } static void backtrace(struct pt_regs *excp) @@ -2943,7 +2928,6 @@ static void xmon_init(int enable) __debugger_dabr_match = NULL; __debugger_fault_handler = NULL; } - xmon_map_scc(); } #ifdef CONFIG_MAGIC_SYSRQ |
