diff options
Diffstat (limited to 'arch/powerpc')
58 files changed, 312 insertions, 320 deletions
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/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/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/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 c423197..a338bc7 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/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 5f73ce6..e434d8b 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 @@ -198,6 +199,7 @@ #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 @@ -260,6 +262,8 @@ __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/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 d24c141..7b44a6e 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1029,6 +1029,7 @@ #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/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..a92101d 100644 --- a/arch/powerpc/kernel/cpu_setup_power7.S +++ b/arch/powerpc/kernel/cpu_setup_power.S @@ -44,6 +44,30 @@ _GLOBAL(__restore_cpu_power7) mtlr r11 blr +_GLOBAL(__setup_cpu_power8) + mflr r11 + bl __init_hvmode_206 + mtlr r11 + beqlr + li r0,0 + mtspr SPRN_LPID,r0 + 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 + bl __init_LPCR + bl __init_TLB + mtlr r11 + blr + __init_hvmode_206: /* Disable CPU_FTR_HVMODE and exit if MSR:HV is not set */ mfmsr r3 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 56e0ff0..ad76666 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -374,6 +374,8 @@ _GLOBAL(ret_from_kernel_thread) bl .schedule_tail REST_NVGPRS(r1) REST_GPR(2,r1) + li r3,0 + std r3,0(r1) mtlr r14 mr r3,r15 blrl diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 10b658a..5663018 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -276,7 +276,7 @@ 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 diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 58bddee..11a4df9 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 @@ -703,6 +703,7 @@ _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/prom.c b/arch/powerpc/kernel/prom.c index 6feb60c..8b6f7a9 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -54,6 +54,7 @@ #include <asm/kexec.h> #include <asm/opal.h> #include <asm/fadump.h> +#include <asm/debug.h> #include <mm/mmu_decl.h> 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_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/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/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/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/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/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/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/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 |
