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Commit 3ae0af12 authored by Linus Torvalds's avatar Linus Torvalds
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

parents 3b44f137 7c43ee40
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Showing with 2549 additions and 2499 deletions
arch/powerpc/Kconfig
View file @ 3ae0af12
......@@ -599,6 +599,10 @@ config HAVE_ARCH_EARLY_PFN_TO_NID
def_bool y
depends on NEED_MULTIPLE_NODES
config ARCH_MEMORY_PROBE
def_bool y
depends on MEMORY_HOTPLUG
# Some NUMA nodes have memory ranges that span
# other nodes. Even though a pfn is valid and
# between a node's start and end pfns, it may not
......
arch/powerpc/kernel/Makefile
View file @ 3ae0af12
......@@ -4,6 +4,7 @@
ifeq ($(CONFIG_PPC64),y)
EXTRA_CFLAGS += -mno-minimal-toc
CFLAGS_ioctl32.o += -Ifs/
endif
ifeq ($(CONFIG_PPC32),y)
CFLAGS_prom_init.o += -fPIC
......@@ -11,15 +12,21 @@ CFLAGS_btext.o += -fPIC
endif
obj-y := semaphore.o cputable.o ptrace.o syscalls.o \
signal_32.o pmc.o
irq.o signal_32.o pmc.o
obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \
signal_64.o ptrace32.o systbl.o
signal_64.o ptrace32.o systbl.o \
paca.o ioctl32.o cpu_setup_power4.o \
firmware.o sysfs.o
obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o
obj-$(CONFIG_POWER4) += idle_power4.o
obj-$(CONFIG_PPC_OF) += of_device.o
obj-$(CONFIG_PPC_RTAS) += rtas.o
procfs-$(CONFIG_PPC64) := proc_ppc64.o
obj-$(CONFIG_PROC_FS) += $(procfs-y)
rtaspci-$(CONFIG_PPC64) := rtas_pci.o
obj-$(CONFIG_PPC_RTAS) += rtas.o $(rtaspci-y)
obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o
obj-$(CONFIG_RTAS_PROC) += rtas-proc.o
obj-$(CONFIG_LPARCFG) += lparcfg.o
obj-$(CONFIG_IBMVIO) += vio.o
obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
......
arch/powerpc/kernel/asm-offsets.c
View file @ 3ae0af12
......@@ -106,7 +106,6 @@ int main(void)
DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
DEFINE(PLATFORM_LPAR, PLATFORM_LPAR);
/* paca */
......
arch/ppc64/kernel/cpu_setup_power4.S → arch/powerpc/kernel/cpu_setup_power4.S
View file @ 3ae0af12
......@@ -114,11 +114,11 @@ _GLOBAL(__setup_cpu_ppc970)
.data
.balign L1_CACHE_BYTES,0
cpu_state_storage:
cpu_state_storage:
.space CS_SIZE
.balign L1_CACHE_BYTES,0
.text
/* Called in normal context to backup CPU 0 state. This
* does not include cache settings. This function is also
* called for machine sleep. This does not include the MMU
......@@ -151,7 +151,7 @@ _GLOBAL(__save_cpu_setup)
std r3,CS_HID4(r5)
mfspr r3,SPRN_HID5
std r3,CS_HID5(r5)
2:
mtcr r7
blr
......@@ -213,7 +213,7 @@ _GLOBAL(__restore_cpu_setup)
mtspr SPRN_HID1,r3
sync
isync
/* Restore HID4 */
ld r3,CS_HID4(r5)
sync
......
arch/powerpc/kernel/cputable.c
View file @ 3ae0af12
......@@ -52,6 +52,9 @@ extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
#define COMMON_USER (PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \
PPC_FEATURE_HAS_MMU)
#define COMMON_USER_PPC64 (COMMON_USER | PPC_FEATURE_64)
#define COMMON_USER_POWER4 (COMMON_USER_PPC64 | PPC_FEATURE_POWER4)
#define COMMON_USER_POWER5 (COMMON_USER_PPC64 | PPC_FEATURE_POWER5)
#define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS)
/* We only set the spe features if the kernel was compiled with
......@@ -160,7 +163,7 @@ struct cpu_spec cpu_specs[] = {
.pvr_value = 0x00350000,
.cpu_name = "POWER4 (gp)",
.cpu_features = CPU_FTRS_POWER4,
.cpu_user_features = COMMON_USER_PPC64,
.cpu_user_features = COMMON_USER_POWER4,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
......@@ -175,7 +178,7 @@ struct cpu_spec cpu_specs[] = {
.pvr_value = 0x00380000,
.cpu_name = "POWER4+ (gq)",
.cpu_features = CPU_FTRS_POWER4,
.cpu_user_features = COMMON_USER_PPC64,
.cpu_user_features = COMMON_USER_POWER4,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
......@@ -190,7 +193,7 @@ struct cpu_spec cpu_specs[] = {
.pvr_value = 0x00390000,
.cpu_name = "PPC970",
.cpu_features = CPU_FTRS_PPC970,
.cpu_user_features = COMMON_USER_PPC64 |
.cpu_user_features = COMMON_USER_POWER4 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 128,
.dcache_bsize = 128,
......@@ -212,7 +215,7 @@ struct cpu_spec cpu_specs[] = {
#else
.cpu_features = CPU_FTRS_PPC970,
#endif
.cpu_user_features = COMMON_USER_PPC64 |
.cpu_user_features = COMMON_USER_POWER4 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 128,
.dcache_bsize = 128,
......@@ -230,7 +233,7 @@ struct cpu_spec cpu_specs[] = {
.pvr_value = 0x00440000,
.cpu_name = "PPC970MP",
.cpu_features = CPU_FTRS_PPC970,
.cpu_user_features = COMMON_USER_PPC64 |
.cpu_user_features = COMMON_USER_POWER4 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 128,
.dcache_bsize = 128,
......@@ -245,7 +248,7 @@ struct cpu_spec cpu_specs[] = {
.pvr_value = 0x003a0000,
.cpu_name = "POWER5 (gr)",
.cpu_features = CPU_FTRS_POWER5,
.cpu_user_features = COMMON_USER_PPC64,
.cpu_user_features = COMMON_USER_POWER5,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
......@@ -260,7 +263,7 @@ struct cpu_spec cpu_specs[] = {
.pvr_value = 0x003b0000,
.cpu_name = "POWER5 (gs)",
.cpu_features = CPU_FTRS_POWER5,
.cpu_user_features = COMMON_USER_PPC64,
.cpu_user_features = COMMON_USER_POWER5_PLUS,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
......@@ -276,7 +279,7 @@ struct cpu_spec cpu_specs[] = {
.cpu_name = "Cell Broadband Engine",
.cpu_features = CPU_FTRS_CELL,
.cpu_user_features = COMMON_USER_PPC64 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 128,
.dcache_bsize = 128,
.cpu_setup = __setup_cpu_be,
......
arch/ppc64/kernel/firmware.c → arch/powerpc/kernel/firmware.c
View file @ 3ae0af12
/*
* arch/ppc64/kernel/firmware.c
*
* Extracted from cputable.c
*
* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
......
arch/powerpc/kernel/fpu.S
View file @ 3ae0af12
......@@ -41,20 +41,20 @@ _GLOBAL(load_up_fpu)
#ifndef CONFIG_SMP
LOADBASE(r3, last_task_used_math)
toreal(r3)
LDL r4,OFF(last_task_used_math)(r3)
CMPI 0,r4,0
PPC_LL r4,OFF(last_task_used_math)(r3)
PPC_LCMPI 0,r4,0
beq 1f
toreal(r4)
addi r4,r4,THREAD /* want last_task_used_math->thread */
SAVE_32FPRS(0, r4)
mffs fr0
stfd fr0,THREAD_FPSCR(r4)
LDL r5,PT_REGS(r4)
PPC_LL r5,PT_REGS(r4)
toreal(r5)
LDL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
PPC_LL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
li r10,MSR_FP|MSR_FE0|MSR_FE1
andc r4,r4,r10 /* disable FP for previous task */
STL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
PPC_STL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
1:
#endif /* CONFIG_SMP */
/* enable use of FP after return */
......@@ -77,7 +77,7 @@ _GLOBAL(load_up_fpu)
#ifndef CONFIG_SMP
subi r4,r5,THREAD
fromreal(r4)
STL r4,OFF(last_task_used_math)(r3)
PPC_STL r4,OFF(last_task_used_math)(r3)
#endif /* CONFIG_SMP */
/* restore registers and return */
/* we haven't used ctr or xer or lr */
......@@ -97,24 +97,24 @@ _GLOBAL(giveup_fpu)
MTMSRD(r5) /* enable use of fpu now */
SYNC_601
isync
CMPI 0,r3,0
PPC_LCMPI 0,r3,0
beqlr- /* if no previous owner, done */
addi r3,r3,THREAD /* want THREAD of task */
LDL r5,PT_REGS(r3)
CMPI 0,r5,0
PPC_LL r5,PT_REGS(r3)
PPC_LCMPI 0,r5,0
SAVE_32FPRS(0, r3)
mffs fr0
stfd fr0,THREAD_FPSCR(r3)
beq 1f
LDL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
PPC_LL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
li r3,MSR_FP|MSR_FE0|MSR_FE1
andc r4,r4,r3 /* disable FP for previous task */
STL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
PPC_STL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
1:
#ifndef CONFIG_SMP
li r5,0
LOADBASE(r4,last_task_used_math)
STL r5,OFF(last_task_used_math)(r4)
PPC_STL r5,OFF(last_task_used_math)(r4)
#endif /* CONFIG_SMP */
blr
......
arch/powerpc/kernel/head_64.S
View file @ 3ae0af12
......@@ -28,7 +28,6 @@
#include <asm/reg.h>
#include <asm/page.h>
#include <asm/mmu.h>
#include <asm/systemcfg.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
#include <asm/bug.h>
......@@ -1697,25 +1696,14 @@ _GLOBAL(pmac_secondary_start)
* SPRG3 = paca virtual address
*/
_GLOBAL(__secondary_start)
/* Set thread priority to MEDIUM */
HMT_MEDIUM
HMT_MEDIUM /* Set thread priority to MEDIUM */
/* Load TOC */
ld r2,PACATOC(r13)
li r6,0
stb r6,PACAPROCENABLED(r13)
#ifndef CONFIG_PPC_ISERIES
/* Initialize the page table pointer register. */
LOADADDR(r6,_SDR1)
ld r6,0(r6) /* get the value of _SDR1 */
mtspr SPRN_SDR1,r6 /* set the htab location */
#endif
/* Initialize the first segment table (or SLB) entry */
ld r3,PACASTABVIRT(r13) /* get addr of segment table */
BEGIN_FTR_SECTION
bl .stab_initialize
END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
bl .slb_initialize
/* Do early setup for that CPU (stab, slb, hash table pointer) */
bl .early_setup_secondary
/* Initialize the kernel stack. Just a repeat for iSeries. */
LOADADDR(r3,current_set)
......@@ -1724,37 +1712,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD
std r1,PACAKSAVE(r13)
ld r3,PACASTABREAL(r13) /* get raddr of segment table */
ori r4,r3,1 /* turn on valid bit */
#ifdef CONFIG_PPC_ISERIES
li r0,-1 /* hypervisor call */
li r3,1
sldi r3,r3,63 /* 0x8000000000000000 */
ori r3,r3,4 /* 0x8000000000000004 */
sc /* HvCall_setASR */
#else
/* set the ASR */
ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */
ld r3,0(r3)
lwz r3,PLATFORM(r3) /* r3 = platform flags */
andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */
beq 98f /* branch if result is 0 */
mfspr r3,SPRN_PVR
srwi r3,r3,16
cmpwi r3,0x37 /* SStar */
beq 97f
cmpwi r3,0x36 /* IStar */
beq 97f
cmpwi r3,0x34 /* Pulsar */
bne 98f
97: li r3,H_SET_ASR /* hcall = H_SET_ASR */
HVSC /* Invoking hcall */
b 99f
98: /* !(rpa hypervisor) || !(star) */
mtasr r4 /* set the stab location */
99:
#endif
/* Clear backchain so we get nice backtraces */
li r7,0
mtlr r7
......@@ -1777,6 +1735,7 @@ _GLOBAL(start_secondary_prolog)
li r3,0
std r3,0(r1) /* Zero the stack frame pointer */
bl .start_secondary
b .
#endif
/*
......@@ -1896,40 +1855,6 @@ _STATIC(start_here_multiplatform)
mr r3,r31
bl .early_setup
/* set the ASR */
ld r3,PACASTABREAL(r13)
ori r4,r3,1 /* turn on valid bit */
ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */
ld r3,0(r3)
lwz r3,PLATFORM(r3) /* r3 = platform flags */
andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */
beq 98f /* branch if result is 0 */
mfspr r3,SPRN_PVR
srwi r3,r3,16
cmpwi r3,0x37 /* SStar */
beq 97f
cmpwi r3,0x36 /* IStar */
beq 97f
cmpwi r3,0x34 /* Pulsar */
bne 98f
97: li r3,H_SET_ASR /* hcall = H_SET_ASR */
HVSC /* Invoking hcall */
b 99f
98: /* !(rpa hypervisor) || !(star) */
mtasr r4 /* set the stab location */
99:
/* Set SDR1 (hash table pointer) */
ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */
ld r3,0(r3)
lwz r3,PLATFORM(r3) /* r3 = platform flags */
/* Test if bit 0 is set (LPAR bit) */
andi. r3,r3,PLATFORM_LPAR
bne 98f /* branch if result is !0 */
LOADADDR(r6,_SDR1) /* Only if NOT LPAR */
add r6,r6,r26
ld r6,0(r6) /* get the value of _SDR1 */
mtspr SPRN_SDR1,r6 /* set the htab location */
98:
LOADADDR(r3,.start_here_common)
SET_REG_TO_CONST(r4, MSR_KERNEL)
mtspr SPRN_SRR0,r3
......
arch/ppc64/kernel/ioctl32.c → arch/powerpc/kernel/ioctl32.c
View file @ 3ae0af12
/*
/*
* ioctl32.c: Conversion between 32bit and 64bit native ioctls.
*
*
* Based on sparc64 ioctl32.c by:
*
* Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
......
arch/ppc64/kernel/lparcfg.c → arch/powerpc/kernel/lparcfg.c
View file @ 3ae0af12
......@@ -35,6 +35,7 @@
#include <asm/time.h>
#include <asm/iseries/it_exp_vpd_panel.h>
#include <asm/prom.h>
#include <asm/systemcfg.h>
#define MODULE_VERS "1.6"
#define MODULE_NAME "lparcfg"
......@@ -96,7 +97,7 @@ static unsigned long get_purr(void)
#define lparcfg_write NULL
/*
/*
* Methods used to fetch LPAR data when running on an iSeries platform.
*/
static int lparcfg_data(struct seq_file *m, void *v)
......@@ -168,7 +169,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_PPC_PSERIES
/*
/*
* Methods used to fetch LPAR data when running on a pSeries platform.
*/
......@@ -177,7 +178,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
* entitled_capacity,unallocated_capacity,
* aggregation, resource_capability).
*
* R4 = Entitled Processor Capacity Percentage.
* R4 = Entitled Processor Capacity Percentage.
* R5 = Unallocated Processor Capacity Percentage.
* R6 (AABBCCDDEEFFGGHH).
* XXXX - reserved (0)
......@@ -190,7 +191,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
* XX - variable processor Capacity Weight
* XX - Unallocated Variable Processor Capacity Weight.
* XXXX - Active processors in Physical Processor Pool.
* XXXX - Processors active on platform.
* XXXX - Processors active on platform.
*/
static unsigned int h_get_ppp(unsigned long *entitled,
unsigned long *unallocated,
......@@ -273,7 +274,7 @@ static void parse_system_parameter_string(struct seq_file *m)
if (!workbuffer) {
printk(KERN_ERR "%s %s kmalloc failure at line %d \n",
__FILE__, __FUNCTION__, __LINE__);
kfree(local_buffer);
kfree(local_buffer);
return;
}
#ifdef LPARCFG_DEBUG
......@@ -371,7 +372,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity", NULL);
if (lrdrp == NULL) {
partition_potential_processors = systemcfg->processorCount;
partition_potential_processors = _systemcfg->processorCount;
} else {
partition_potential_processors = *(lrdrp + 4);
}
......
arch/powerpc/kernel/misc_32.S
View file @ 3ae0af12
......@@ -519,7 +519,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
*
* flush_icache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(flush_icache_range)
_GLOBAL(__flush_icache_range)
BEGIN_FTR_SECTION
blr /* for 601, do nothing */
END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
......@@ -607,27 +607,6 @@ _GLOBAL(invalidate_dcache_range)
sync /* wait for dcbi's to get to ram */
blr
#ifdef CONFIG_NOT_COHERENT_CACHE
/*
* 40x cores have 8K or 16K dcache and 32 byte line size.
* 44x has a 32K dcache and 32 byte line size.
* 8xx has 1, 2, 4, 8K variants.
* For now, cover the worst case of the 44x.
* Must be called with external interrupts disabled.
*/
#define CACHE_NWAYS 64
#define CACHE_NLINES 16
_GLOBAL(flush_dcache_all)
li r4, (2 * CACHE_NWAYS * CACHE_NLINES)
mtctr r4
lis r5, KERNELBASE@h
1: lwz r3, 0(r5) /* Load one word from every line */
addi r5, r5, L1_CACHE_BYTES
bdnz 1b
blr
#endif /* CONFIG_NOT_COHERENT_CACHE */
/*
* Flush a particular page from the data cache to RAM.
* Note: this is necessary because the instruction cache does *not*
......
arch/powerpc/kernel/misc_64.S
View file @ 3ae0af12
......@@ -89,12 +89,12 @@ _GLOBAL(call_do_softirq)
mtlr r0
blr
_GLOBAL(call_handle_IRQ_event)
_GLOBAL(call___do_IRQ)
mflr r0
std r0,16(r1)
stdu r1,THREAD_SIZE-112(r6)
mr r1,r6
bl .handle_IRQ_event
stdu r1,THREAD_SIZE-112(r5)
mr r1,r5
bl .__do_IRQ
ld r1,0(r1)
ld r0,16(r1)
mtlr r0
......
arch/ppc64/kernel/pacaData.c → arch/powerpc/kernel/paca.c
View file @ 3ae0af12
......@@ -15,7 +15,7 @@
#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/page.h>
#include <asm/systemcfg.h>
#include <asm/lppaca.h>
#include <asm/iseries/it_lp_queue.h>
#include <asm/paca.h>
......@@ -24,15 +24,14 @@ static union {
struct systemcfg data;
u8 page[PAGE_SIZE];
} systemcfg_store __attribute__((__section__(".data.page.aligned")));
struct systemcfg *systemcfg = &systemcfg_store.data;
EXPORT_SYMBOL(systemcfg);
struct systemcfg *_systemcfg = &systemcfg_store.data;
/* This symbol is provided by the linker - let it fill in the paca
* field correctly */
extern unsigned long __toc_start;
/* The Paca is an array with one entry per processor. Each contains an
/* The Paca is an array with one entry per processor. Each contains an
* lppaca, which contains the information shared between the
* hypervisor and Linux. Each also contains an ItLpRegSave area which
* is used by the hypervisor to save registers.
......
arch/powerpc/kernel/ppc_ksyms.c
View file @ 3ae0af12
......@@ -44,6 +44,7 @@
#include <asm/cputable.h>
#include <asm/btext.h>
#include <asm/div64.h>
#include <asm/signal.h>
#ifdef CONFIG_8xx
#include <asm/commproc.h>
......@@ -56,7 +57,6 @@ extern void machine_check_exception(struct pt_regs *regs);
extern void alignment_exception(struct pt_regs *regs);
extern void program_check_exception(struct pt_regs *regs);
extern void single_step_exception(struct pt_regs *regs);
extern int do_signal(sigset_t *, struct pt_regs *);
extern int pmac_newworld;
extern int sys_sigreturn(struct pt_regs *regs);
......@@ -188,9 +188,6 @@ EXPORT_SYMBOL(adb_try_handler_change);
EXPORT_SYMBOL(cuda_request);
EXPORT_SYMBOL(cuda_poll);
#endif /* CONFIG_ADB_CUDA */
#if defined(CONFIG_PPC_MULTIPLATFORM) && defined(CONFIG_PPC32)
EXPORT_SYMBOL(_machine);
#endif
#ifdef CONFIG_PPC_PMAC
EXPORT_SYMBOL(sys_ctrler);
#endif
......
arch/ppc64/kernel/proc_ppc64.c → arch/powerpc/kernel/proc_ppc64.c
View file @ 3ae0af12
/*
* arch/ppc64/kernel/proc_ppc64.c
*
* Copyright (C) 2001 Mike Corrigan & Dave Engebretsen IBM Corporation
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
......@@ -53,7 +51,7 @@ static int __init proc_ppc64_create(void)
if (!root)
return 1;
if (!(systemcfg->platform & (PLATFORM_PSERIES | PLATFORM_CELL)))
if (!(platform_is_pseries() || _machine == PLATFORM_CELL))
return 0;
if (!proc_mkdir("rtas", root))
......@@ -74,7 +72,7 @@ static int __init proc_ppc64_init(void)
if (!pde)
return 1;
pde->nlink = 1;
pde->data = systemcfg;
pde->data = _systemcfg;
pde->size = PAGE_SIZE;
pde->proc_fops = &page_map_fops;
......
arch/powerpc/kernel/prom.c
View file @ 3ae0af12
......@@ -48,9 +48,6 @@
#include <asm/machdep.h>
#include <asm/pSeries_reconfig.h>
#include <asm/pci-bridge.h>
#ifdef CONFIG_PPC64
#include <asm/systemcfg.h>
#endif
#ifdef DEBUG
#define DBG(fmt...) printk(KERN_ERR fmt)
......@@ -74,10 +71,6 @@ struct isa_reg_property {
typedef int interpret_func(struct device_node *, unsigned long *,
int, int, int);
extern struct rtas_t rtas;
extern struct lmb lmb;
extern unsigned long klimit;
static int __initdata dt_root_addr_cells;
static int __initdata dt_root_size_cells;
......@@ -391,7 +384,7 @@ static int __devinit finish_node_interrupts(struct device_node *np,
#ifdef CONFIG_PPC64
/* We offset irq numbers for the u3 MPIC by 128 in PowerMac */
if (systemcfg->platform == PLATFORM_POWERMAC && ic && ic->parent) {
if (_machine == PLATFORM_POWERMAC && ic && ic->parent) {
char *name = get_property(ic->parent, "name", NULL);
if (name && !strcmp(name, "u3"))
np->intrs[intrcount].line += 128;
......@@ -1087,9 +1080,9 @@ void __init unflatten_device_tree(void)
static int __init early_init_dt_scan_cpus(unsigned long node,
const char *uname, int depth, void *data)
{
char *type = of_get_flat_dt_prop(node, "device_type", NULL);
u32 *prop;
unsigned long size = 0;
unsigned long size;
char *type = of_get_flat_dt_prop(node, "device_type", &size);
/* We are scanning "cpu" nodes only */
if (type == NULL || strcmp(type, "cpu") != 0)
......@@ -1115,7 +1108,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
#ifdef CONFIG_ALTIVEC
/* Check if we have a VMX and eventually update CPU features */
prop = (u32 *)of_get_flat_dt_prop(node, "ibm,vmx", &size);
prop = (u32 *)of_get_flat_dt_prop(node, "ibm,vmx", NULL);
if (prop && (*prop) > 0) {
cur_cpu_spec->cpu_features |= CPU_FTR_ALTIVEC;
cur_cpu_spec->cpu_user_features |= PPC_FEATURE_HAS_ALTIVEC;
......@@ -1161,13 +1154,9 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
prop = (u32 *)of_get_flat_dt_prop(node, "linux,platform", NULL);
if (prop == NULL)
return 0;
#ifdef CONFIG_PPC64
systemcfg->platform = *prop;
#else
#ifdef CONFIG_PPC_MULTIPLATFORM
_machine = *prop;
#endif
#endif
#ifdef CONFIG_PPC64
/* check if iommu is forced on or off */
......@@ -1264,7 +1253,14 @@ static int __init early_init_dt_scan_memory(unsigned long node,
unsigned long l;
/* We are scanning "memory" nodes only */
if (type == NULL || strcmp(type, "memory") != 0)
if (type == NULL) {
/*
* The longtrail doesn't have a device_type on the
* /memory node, so look for the node called /memory@0.
*/
if (depth != 1 || strcmp(uname, "memory@0") != 0)
return 0;
} else if (strcmp(type, "memory") != 0)
return 0;
reg = (cell_t *)of_get_flat_dt_prop(node, "reg", &l);
......@@ -1339,9 +1335,6 @@ void __init early_init_devtree(void *params)
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
lmb_enforce_memory_limit(memory_limit);
lmb_analyze();
#ifdef CONFIG_PPC64
systemcfg->physicalMemorySize = lmb_phys_mem_size();
#endif
lmb_reserve(0, __pa(klimit));
DBG("Phys. mem: %lx\n", lmb_phys_mem_size());
......@@ -1908,7 +1901,7 @@ static int of_finish_dynamic_node(struct device_node *node,
/* We don't support that function on PowerMac, at least
* not yet
*/
if (systemcfg->platform == PLATFORM_POWERMAC)
if (_machine == PLATFORM_POWERMAC)
return -ENODEV;
/* fix up new node's linux_phandle field */
......@@ -1992,9 +1985,11 @@ int prom_add_property(struct device_node* np, struct property* prop)
*next = prop;
write_unlock(&devtree_lock);
#ifdef CONFIG_PROC_DEVICETREE
/* try to add to proc as well if it was initialized */
if (np->pde)
proc_device_tree_add_prop(np->pde, prop);
#endif /* CONFIG_PROC_DEVICETREE */
return 0;
}
......
arch/powerpc/kernel/prom_init.c
View file @ 3ae0af12
This diff is collapsed.
arch/powerpc/kernel/rtas-proc.c
View file @ 3ae0af12
......@@ -259,7 +259,7 @@ static int __init proc_rtas_init(void)
{
struct proc_dir_entry *entry;
if (!(systemcfg->platform & PLATFORM_PSERIES))
if (_machine != PLATFORM_PSERIES && _machine != PLATFORM_PSERIES_LPAR)
return 1;
rtas_node = of_find_node_by_name(NULL, "rtas");
......
arch/powerpc/kernel/rtas.c
View file @ 3ae0af12
......@@ -29,9 +29,6 @@
#include <asm/delay.h>
#include <asm/uaccess.h>
#include <asm/lmb.h>
#ifdef CONFIG_PPC64
#include <asm/systemcfg.h>
#endif
struct rtas_t rtas = {
.lock = SPIN_LOCK_UNLOCKED
......@@ -671,7 +668,7 @@ void __init rtas_initialize(void)
* the stop-self token if any
*/
#ifdef CONFIG_PPC64
if (systemcfg->platform == PLATFORM_PSERIES_LPAR)
if (_machine == PLATFORM_PSERIES_LPAR)
rtas_region = min(lmb.rmo_size, RTAS_INSTANTIATE_MAX);
#endif
rtas_rmo_buf = lmb_alloc_base(RTAS_RMOBUF_MAX, PAGE_SIZE, rtas_region);
......
arch/ppc64/kernel/rtas_pci.c → arch/powerpc/kernel/rtas_pci.c
View file @ 3ae0af12
......@@ -5,19 +5,19 @@
* Copyright (C) 2003 Anton Blanchard <anton@au.ibm.com>, IBM
*
* RTAS specific routines for PCI.
*
*
* Based on code from pci.c, chrp_pci.c and pSeries_pci.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
......@@ -47,7 +47,7 @@ static int write_pci_config;
static int ibm_read_pci_config;
static int ibm_write_pci_config;
static int config_access_valid(struct pci_dn *dn, int where)
static inline int config_access_valid(struct pci_dn *dn, int where)
{
if (where < 256)
return 1;
......@@ -72,16 +72,14 @@ static int of_device_available(struct device_node * dn)
return 0;
}
static int rtas_read_config(struct device_node *dn, int where, int size, u32 *val)
static int rtas_read_config(struct pci_dn *pdn, int where, int size, u32 *val)
{
int returnval = -1;
unsigned long buid, addr;
int ret;
struct pci_dn *pdn;
if (!dn || !dn->data)
if (!pdn)
return PCIBIOS_DEVICE_NOT_FOUND;
pdn = dn->data;
if (!config_access_valid(pdn, where))
return PCIBIOS_BAD_REGISTER_NUMBER;
......@@ -90,7 +88,7 @@ static int rtas_read_config(struct device_node *dn, int where, int size, u32 *va
buid = pdn->phb->buid;
if (buid) {
ret = rtas_call(ibm_read_pci_config, 4, 2, &returnval,
addr, buid >> 32, buid & 0xffffffff, size);
addr, BUID_HI(buid), BUID_LO(buid), size);
} else {
ret = rtas_call(read_pci_config, 2, 2, &returnval, addr, size);
}
......@@ -100,7 +98,7 @@ static int rtas_read_config(struct device_node *dn, int where, int size, u32 *va
return PCIBIOS_DEVICE_NOT_FOUND;
if (returnval == EEH_IO_ERROR_VALUE(size) &&
eeh_dn_check_failure (dn, NULL))
eeh_dn_check_failure (pdn->node, NULL))
return PCIBIOS_DEVICE_NOT_FOUND;
return PCIBIOS_SUCCESSFUL;
......@@ -118,23 +116,23 @@ static int rtas_pci_read_config(struct pci_bus *bus,
busdn = bus->sysdata; /* must be a phb */
/* Search only direct children of the bus */
for (dn = busdn->child; dn; dn = dn->sibling)
if (dn->data && PCI_DN(dn)->devfn == devfn
for (dn = busdn->child; dn; dn = dn->sibling) {
struct pci_dn *pdn = PCI_DN(dn);
if (pdn && pdn->devfn == devfn
&& of_device_available(dn))
return rtas_read_config(dn, where, size, val);
return rtas_read_config(pdn, where, size, val);
}
return PCIBIOS_DEVICE_NOT_FOUND;
}
int rtas_write_config(struct device_node *dn, int where, int size, u32 val)
int rtas_write_config(struct pci_dn *pdn, int where, int size, u32 val)
{
unsigned long buid, addr;
int ret;
struct pci_dn *pdn;
if (!dn || !dn->data)
if (!pdn)
return PCIBIOS_DEVICE_NOT_FOUND;
pdn = dn->data;
if (!config_access_valid(pdn, where))
return PCIBIOS_BAD_REGISTER_NUMBER;
......@@ -142,7 +140,8 @@ int rtas_write_config(struct device_node *dn, int where, int size, u32 val)
(pdn->devfn << 8) | (where & 0xff);
buid = pdn->phb->buid;
if (buid) {
ret = rtas_call(ibm_write_pci_config, 5, 1, NULL, addr, buid >> 32, buid & 0xffffffff, size, (ulong) val);
ret = rtas_call(ibm_write_pci_config, 5, 1, NULL, addr,
BUID_HI(buid), BUID_LO(buid), size, (ulong) val);
} else {
ret = rtas_call(write_pci_config, 3, 1, NULL, addr, size, (ulong)val);
}
......@@ -165,10 +164,12 @@ static int rtas_pci_write_config(struct pci_bus *bus,
busdn = bus->sysdata; /* must be a phb */
/* Search only direct children of the bus */
for (dn = busdn->child; dn; dn = dn->sibling)
if (dn->data && PCI_DN(dn)->devfn == devfn
for (dn = busdn->child; dn; dn = dn->sibling) {
struct pci_dn *pdn = PCI_DN(dn);
if (pdn && pdn->devfn == devfn
&& of_device_available(dn))
return rtas_write_config(dn, where, size, val);
return rtas_write_config(pdn, where, size, val);
}
return PCIBIOS_DEVICE_NOT_FOUND;
}
......@@ -221,7 +222,7 @@ static void python_countermeasures(struct device_node *dev,
/* Python's register file is 1 MB in size. */
chip_regs = ioremap(reg_struct.address & ~(0xfffffUL), 0x100000);
/*
/*
* Firmware doesn't always clear this bit which is critical
* for good performance - Anton
*/
......@@ -292,7 +293,7 @@ static int phb_set_bus_ranges(struct device_node *dev,
if (bus_range == NULL || len < 2 * sizeof(int)) {
return 1;
}
phb->first_busno = bus_range[0];
phb->last_busno = bus_range[1];
......
arch/powerpc/kernel/setup-common.c
View file @ 3ae0af12
......@@ -33,6 +33,7 @@
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/processor.h>
#include <asm/systemcfg.h>
#include <asm/pgtable.h>
#include <asm/smp.h>
#include <asm/elf.h>
......@@ -51,6 +52,9 @@
#include <asm/page.h>
#include <asm/mmu.h>
#include <asm/lmb.h>
#include <asm/xmon.h>
#include "setup.h"
#undef DEBUG
......@@ -60,6 +64,13 @@
#define DBG(fmt...)
#endif
#ifdef CONFIG_PPC_MULTIPLATFORM
int _machine = 0;
EXPORT_SYMBOL(_machine);
#endif
unsigned long klimit = (unsigned long) _end;
/*
* This still seems to be needed... -- paulus
*/
......@@ -510,8 +521,8 @@ void __init smp_setup_cpu_maps(void)
* On pSeries LPAR, we need to know how many cpus
* could possibly be added to this partition.
*/
if (systemcfg->platform == PLATFORM_PSERIES_LPAR &&
(dn = of_find_node_by_path("/rtas"))) {
if (_machine == PLATFORM_PSERIES_LPAR &&
(dn = of_find_node_by_path("/rtas"))) {
int num_addr_cell, num_size_cell, maxcpus;
unsigned int *ireg;
......@@ -555,7 +566,27 @@ void __init smp_setup_cpu_maps(void)
cpu_set(cpu ^ 0x1, cpu_sibling_map[cpu]);
}
systemcfg->processorCount = num_present_cpus();
_systemcfg->processorCount = num_present_cpus();
#endif /* CONFIG_PPC64 */
}
#endif /* CONFIG_SMP */
#ifdef CONFIG_XMON
static int __init early_xmon(char *p)
{
/* ensure xmon is enabled */
if (p) {
if (strncmp(p, "on", 2) == 0)
xmon_init(1);
if (strncmp(p, "off", 3) == 0)
xmon_init(0);
if (strncmp(p, "early", 5) != 0)
return 0;
}
xmon_init(1);
debugger(NULL);
return 0;
}
early_param("xmon", early_xmon);
#endif
arch/powerpc/kernel/setup.h 0 → 100644
View file @ 3ae0af12
#ifndef _POWERPC_KERNEL_SETUP_H
#define _POWERPC_KERNEL_SETUP_H
void check_for_initrd(void);
#endif /* _POWERPC_KERNEL_SETUP_H */
arch/powerpc/kernel/setup_32.c
View file @ 3ae0af12
......@@ -40,6 +40,8 @@
#include <asm/xmon.h>
#include <asm/time.h>
#include "setup.h"
#define DBG(fmt...)
#if defined CONFIG_KGDB
......@@ -70,8 +72,6 @@ unsigned int DMA_MODE_WRITE;
int have_of = 1;
#ifdef CONFIG_PPC_MULTIPLATFORM
int _machine = 0;
extern void prep_init(void);
extern void pmac_init(void);
extern void chrp_init(void);
......@@ -279,7 +279,6 @@ arch_initcall(ppc_init);
/* Warning, IO base is not yet inited */
void __init setup_arch(char **cmdline_p)
{
extern char *klimit;
extern void do_init_bootmem(void);
/* so udelay does something sensible, assume <= 1000 bogomips */
......@@ -303,14 +302,9 @@ void __init setup_arch(char **cmdline_p)
pmac_feature_init(); /* New cool way */
#endif
#ifdef CONFIG_XMON
xmon_map_scc();
if (strstr(cmd_line, "xmon")) {
xmon_init(1);
debugger(NULL);
}
#endif /* CONFIG_XMON */
if ( ppc_md.progress ) ppc_md.progress("setup_arch: enter", 0x3eab);
#ifdef CONFIG_XMON_DEFAULT
xmon_init(1);
#endif
#if defined(CONFIG_KGDB)
if (ppc_md.kgdb_map_scc)
......@@ -343,7 +337,7 @@ void __init setup_arch(char **cmdline_p)
init_mm.start_code = PAGE_OFFSET;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) klimit;
init_mm.brk = klimit;
/* Save unparsed command line copy for /proc/cmdline */
strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
......
arch/powerpc/kernel/setup_64.c
View file @ 3ae0af12
......@@ -61,6 +61,8 @@
#include <asm/xmon.h>
#include <asm/udbg.h>
#include "setup.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
#else
......@@ -94,15 +96,6 @@ extern void udbg_init_maple_realmode(void);
do { udbg_putc = call_rtas_display_status_delay; } while(0)
#endif
/* extern void *stab; */
extern unsigned long klimit;
extern void mm_init_ppc64(void);
extern void stab_initialize(unsigned long stab);
extern void htab_initialize(void);
extern void early_init_devtree(void *flat_dt);
extern void unflatten_device_tree(void);
int have_of = 1;
int boot_cpuid = 0;
int boot_cpuid_phys = 0;
......@@ -254,11 +247,10 @@ void __init early_setup(unsigned long dt_ptr)
* Iterate all ppc_md structures until we find the proper
* one for the current machine type
*/
DBG("Probing machine type for platform %x...\n",
systemcfg->platform);
DBG("Probing machine type for platform %x...\n", _machine);
for (mach = machines; *mach; mach++) {
if ((*mach)->probe(systemcfg->platform))
if ((*mach)->probe(_machine))
break;
}
/* What can we do if we didn't find ? */
......@@ -290,6 +282,28 @@ void __init early_setup(unsigned long dt_ptr)
DBG(" <- early_setup()\n");
}
#ifdef CONFIG_SMP
void early_setup_secondary(void)
{
struct paca_struct *lpaca = get_paca();
/* Mark enabled in PACA */
lpaca->proc_enabled = 0;
/* Initialize hash table for that CPU */
htab_initialize_secondary();
/* Initialize STAB/SLB. We use a virtual address as it works
* in real mode on pSeries and we want a virutal address on
* iSeries anyway
*/
if (cpu_has_feature(CPU_FTR_SLB))
slb_initialize();
else
stab_initialize(lpaca->stab_addr);
}
#endif /* CONFIG_SMP */
#if defined(CONFIG_SMP) || defined(CONFIG_KEXEC)
void smp_release_cpus(void)
......@@ -315,7 +329,8 @@ void smp_release_cpus(void)
#endif /* CONFIG_SMP || CONFIG_KEXEC */
/*
* Initialize some remaining members of the ppc64_caches and systemcfg structures
* Initialize some remaining members of the ppc64_caches and systemcfg
* structures
* (at least until we get rid of them completely). This is mostly some
* cache informations about the CPU that will be used by cache flush
* routines and/or provided to userland
......@@ -340,7 +355,7 @@ static void __init initialize_cache_info(void)
const char *dc, *ic;
/* Then read cache informations */
if (systemcfg->platform == PLATFORM_POWERMAC) {
if (_machine == PLATFORM_POWERMAC) {
dc = "d-cache-block-size";
ic = "i-cache-block-size";
} else {
......@@ -360,8 +375,8 @@ static void __init initialize_cache_info(void)
DBG("Argh, can't find dcache properties ! "
"sizep: %p, lsizep: %p\n", sizep, lsizep);
systemcfg->dcache_size = ppc64_caches.dsize = size;
systemcfg->dcache_line_size =
_systemcfg->dcache_size = ppc64_caches.dsize = size;
_systemcfg->dcache_line_size =
ppc64_caches.dline_size = lsize;
ppc64_caches.log_dline_size = __ilog2(lsize);
ppc64_caches.dlines_per_page = PAGE_SIZE / lsize;
......@@ -378,8 +393,8 @@ static void __init initialize_cache_info(void)
DBG("Argh, can't find icache properties ! "
"sizep: %p, lsizep: %p\n", sizep, lsizep);
systemcfg->icache_size = ppc64_caches.isize = size;
systemcfg->icache_line_size =
_systemcfg->icache_size = ppc64_caches.isize = size;
_systemcfg->icache_line_size =
ppc64_caches.iline_size = lsize;
ppc64_caches.log_iline_size = __ilog2(lsize);
ppc64_caches.ilines_per_page = PAGE_SIZE / lsize;
......@@ -387,10 +402,12 @@ static void __init initialize_cache_info(void)
}
/* Add an eye catcher and the systemcfg layout version number */
strcpy(systemcfg->eye_catcher, "SYSTEMCFG:PPC64");
systemcfg->version.major = SYSTEMCFG_MAJOR;
systemcfg->version.minor = SYSTEMCFG_MINOR;
systemcfg->processor = mfspr(SPRN_PVR);
strcpy(_systemcfg->eye_catcher, "SYSTEMCFG:PPC64");
_systemcfg->version.major = SYSTEMCFG_MAJOR;
_systemcfg->version.minor = SYSTEMCFG_MINOR;
_systemcfg->processor = mfspr(SPRN_PVR);
_systemcfg->platform = _machine;
_systemcfg->physicalMemorySize = lmb_phys_mem_size();
DBG(" <- initialize_cache_info()\n");
}
......@@ -479,10 +496,10 @@ void __init setup_system(void)
printk("-----------------------------------------------------\n");
printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size);
printk("ppc64_interrupt_controller = 0x%ld\n", ppc64_interrupt_controller);
printk("systemcfg = 0x%p\n", systemcfg);
printk("systemcfg->platform = 0x%x\n", systemcfg->platform);
printk("systemcfg->processorCount = 0x%lx\n", systemcfg->processorCount);
printk("systemcfg->physicalMemorySize = 0x%lx\n", systemcfg->physicalMemorySize);
printk("systemcfg = 0x%p\n", _systemcfg);
printk("systemcfg->platform = 0x%x\n", _systemcfg->platform);
printk("systemcfg->processorCount = 0x%lx\n", _systemcfg->processorCount);
printk("systemcfg->physicalMemorySize = 0x%lx\n", _systemcfg->physicalMemorySize);
printk("ppc64_caches.dcache_line_size = 0x%x\n",
ppc64_caches.dline_size);
printk("ppc64_caches.icache_line_size = 0x%x\n",
......@@ -564,12 +581,12 @@ void __init setup_syscall_map(void)
for (i = 0; i < __NR_syscalls; i++) {
if (sys_call_table[i*2] != sys_ni_syscall) {
count64++;
systemcfg->syscall_map_64[i >> 5] |=
_systemcfg->syscall_map_64[i >> 5] |=
0x80000000UL >> (i & 0x1f);
}
if (sys_call_table[i*2+1] != sys_ni_syscall) {
count32++;
systemcfg->syscall_map_32[i >> 5] |=
_systemcfg->syscall_map_32[i >> 5] |=
0x80000000UL >> (i & 0x1f);
}
}
......@@ -858,26 +875,6 @@ int check_legacy_ioport(unsigned long base_port)
}
EXPORT_SYMBOL(check_legacy_ioport);
#ifdef CONFIG_XMON
static int __init early_xmon(char *p)
{
/* ensure xmon is enabled */
if (p) {
if (strncmp(p, "on", 2) == 0)
xmon_init(1);
if (strncmp(p, "off", 3) == 0)
xmon_init(0);
if (strncmp(p, "early", 5) != 0)
return 0;
}
xmon_init(1);
debugger(NULL);
return 0;
}
early_param("xmon", early_xmon);
#endif
void cpu_die(void)
{
if (ppc_md.cpu_die)
......
arch/powerpc/kernel/signal_32.c
View file @ 3ae0af12
......@@ -42,6 +42,7 @@
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/sigcontext.h>
#ifdef CONFIG_PPC64
#include "ppc32.h"
#include <asm/unistd.h>
......
arch/powerpc/kernel/smp.c
View file @ 3ae0af12
......@@ -44,6 +44,7 @@
#include <asm/cputable.h>
#include <asm/system.h>
#include <asm/mpic.h>
#include <asm/systemcfg.h>
#ifdef CONFIG_PPC64
#include <asm/paca.h>
#endif
......@@ -368,9 +369,11 @@ int generic_cpu_disable(void)
if (cpu == boot_cpuid)
return -EBUSY;
systemcfg->processorCount--;
cpu_clear(cpu, cpu_online_map);
#ifdef CONFIG_PPC64
_systemcfg->processorCount--;
fixup_irqs(cpu_online_map);
#endif
return 0;
}
......@@ -388,9 +391,11 @@ int generic_cpu_enable(unsigned int cpu)
while (!cpu_online(cpu))
cpu_relax();
#ifdef CONFIG_PPC64
fixup_irqs(cpu_online_map);
/* counter the irq disable in fixup_irqs */
local_irq_enable();
#endif
return 0;
}
......@@ -419,7 +424,9 @@ void generic_mach_cpu_die(void)
while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE)
cpu_relax();
#ifdef CONFIG_PPC64
flush_tlb_pending();
#endif
cpu_set(cpu, cpu_online_map);
local_irq_enable();
}
......
arch/powerpc/kernel/sys_ppc32.c
View file @ 3ae0af12
......@@ -52,7 +52,6 @@
#include <asm/semaphore.h>
#include <asm/time.h>
#include <asm/mmu_context.h>
#include <asm/systemcfg.h>
#include <asm/ppc-pci.h>
/* readdir & getdents */
......
arch/ppc64/kernel/sysfs.c → arch/powerpc/kernel/sysfs.c
View file @ 3ae0af12
......@@ -232,7 +232,7 @@ static void register_cpu_online(unsigned int cpu)
sysdev_create_file(s, &attr_pmc7);
if (cur_cpu_spec->num_pmcs >= 8)
sysdev_create_file(s, &attr_pmc8);
if (cpu_has_feature(CPU_FTR_SMT))
sysdev_create_file(s, &attr_purr);
}
......
arch/powerpc/kernel/time.c
View file @ 3ae0af12
......@@ -271,13 +271,13 @@ static inline void update_gtod(u64 new_tb_stamp, u64 new_stamp_xsec,
* tb_to_xs and stamp_xsec values are consistent. If not, then it
* loops back and reads them again until this criteria is met.
*/
++(systemcfg->tb_update_count);
++(_systemcfg->tb_update_count);
smp_wmb();
systemcfg->tb_orig_stamp = new_tb_stamp;
systemcfg->stamp_xsec = new_stamp_xsec;
systemcfg->tb_to_xs = new_tb_to_xs;
_systemcfg->tb_orig_stamp = new_tb_stamp;
_systemcfg->stamp_xsec = new_stamp_xsec;
_systemcfg->tb_to_xs = new_tb_to_xs;
smp_wmb();
++(systemcfg->tb_update_count);
++(_systemcfg->tb_update_count);
#endif
}
......@@ -357,8 +357,9 @@ static void iSeries_tb_recal(void)
do_gtod.tb_ticks_per_sec = tb_ticks_per_sec;
tb_to_xs = divres.result_low;
do_gtod.varp->tb_to_xs = tb_to_xs;
systemcfg->tb_ticks_per_sec = tb_ticks_per_sec;
systemcfg->tb_to_xs = tb_to_xs;
_systemcfg->tb_ticks_per_sec =
tb_ticks_per_sec;
_systemcfg->tb_to_xs = tb_to_xs;
}
else {
printk( "Titan recalibrate: FAILED (difference > 4 percent)\n"
......@@ -483,6 +484,8 @@ void __init smp_space_timers(unsigned int max_cpus)
unsigned long offset = tb_ticks_per_jiffy / max_cpus;
unsigned long previous_tb = per_cpu(last_jiffy, boot_cpuid);
/* make sure tb > per_cpu(last_jiffy, cpu) for all cpus always */
previous_tb -= tb_ticks_per_jiffy;
for_each_cpu(i) {
if (i != boot_cpuid) {
previous_tb += offset;
......@@ -559,8 +562,8 @@ int do_settimeofday(struct timespec *tv)
update_gtod(tb_last_jiffy, new_xsec, do_gtod.varp->tb_to_xs);
#ifdef CONFIG_PPC64
systemcfg->tz_minuteswest = sys_tz.tz_minuteswest;
systemcfg->tz_dsttime = sys_tz.tz_dsttime;
_systemcfg->tz_minuteswest = sys_tz.tz_minuteswest;
_systemcfg->tz_dsttime = sys_tz.tz_dsttime;
#endif
write_sequnlock_irqrestore(&xtime_lock, flags);
......@@ -711,11 +714,11 @@ void __init time_init(void)
do_gtod.varp->tb_to_xs = tb_to_xs;
do_gtod.tb_to_us = tb_to_us;
#ifdef CONFIG_PPC64
systemcfg->tb_orig_stamp = tb_last_jiffy;
systemcfg->tb_update_count = 0;
systemcfg->tb_ticks_per_sec = tb_ticks_per_sec;
systemcfg->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC;
systemcfg->tb_to_xs = tb_to_xs;
_systemcfg->tb_orig_stamp = tb_last_jiffy;
_systemcfg->tb_update_count = 0;
_systemcfg->tb_ticks_per_sec = tb_ticks_per_sec;
_systemcfg->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC;
_systemcfg->tb_to_xs = tb_to_xs;
#endif
time_freq = 0;
......
arch/powerpc/kernel/traps.c
View file @ 3ae0af12
......@@ -129,7 +129,7 @@ int die(const char *str, struct pt_regs *regs, long err)
nl = 1;
#endif
#ifdef CONFIG_PPC64
switch (systemcfg->platform) {
switch (_machine) {
case PLATFORM_PSERIES:
printk("PSERIES ");
nl = 1;
......
arch/powerpc/lib/bitops.c
View file @ 3ae0af12
......@@ -41,7 +41,7 @@ unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
tmp = *p;
found_first:
tmp &= (~0UL >> (64 - size));
tmp &= (~0UL >> (BITS_PER_LONG - size));
if (tmp == 0UL) /* Are any bits set? */
return result + size; /* Nope. */
found_middle:
......
arch/powerpc/mm/hash_utils_64.c
View file @ 3ae0af12
......@@ -84,10 +84,11 @@
extern unsigned long dart_tablebase;
#endif /* CONFIG_U3_DART */
static unsigned long _SDR1;
struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
hpte_t *htab_address;
unsigned long htab_hash_mask;
unsigned long _SDR1;
struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
int mmu_linear_psize = MMU_PAGE_4K;
int mmu_virtual_psize = MMU_PAGE_4K;
#ifdef CONFIG_HUGETLB_PAGE
......@@ -165,7 +166,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
* normal insert callback here.
*/
#ifdef CONFIG_PPC_ISERIES
if (systemcfg->platform == PLATFORM_ISERIES_LPAR)
if (_machine == PLATFORM_ISERIES_LPAR)
ret = iSeries_hpte_insert(hpteg, va,
virt_to_abs(paddr),
tmp_mode,
......@@ -174,7 +175,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
else
#endif
#ifdef CONFIG_PPC_PSERIES
if (systemcfg->platform & PLATFORM_LPAR)
if (_machine & PLATFORM_LPAR)
ret = pSeries_lpar_hpte_insert(hpteg, va,
virt_to_abs(paddr),
tmp_mode,
......@@ -293,7 +294,7 @@ static void __init htab_init_page_sizes(void)
* Not in the device-tree, let's fallback on known size
* list for 16M capable GP & GR
*/
if ((systemcfg->platform != PLATFORM_ISERIES_LPAR) &&
if ((_machine != PLATFORM_ISERIES_LPAR) &&
cpu_has_feature(CPU_FTR_16M_PAGE))
memcpy(mmu_psize_defs, mmu_psize_defaults_gp,
sizeof(mmu_psize_defaults_gp));
......@@ -364,7 +365,7 @@ static int __init htab_dt_scan_pftsize(unsigned long node,
static unsigned long __init htab_get_table_size(void)
{
unsigned long rnd_mem_size, pteg_count;
unsigned long mem_size, rnd_mem_size, pteg_count;
/* If hash size isn't already provided by the platform, we try to
* retreive it from the device-tree. If it's not there neither, we
......@@ -376,8 +377,9 @@ static unsigned long __init htab_get_table_size(void)
return 1UL << ppc64_pft_size;
/* round mem_size up to next power of 2 */
rnd_mem_size = 1UL << __ilog2(systemcfg->physicalMemorySize);
if (rnd_mem_size < systemcfg->physicalMemorySize)
mem_size = lmb_phys_mem_size();
rnd_mem_size = 1UL << __ilog2(mem_size);
if (rnd_mem_size < mem_size)
rnd_mem_size <<= 1;
/* # pages / 2 */
......@@ -386,6 +388,15 @@ static unsigned long __init htab_get_table_size(void)
return pteg_count << 7;
}
#ifdef CONFIG_MEMORY_HOTPLUG
void create_section_mapping(unsigned long start, unsigned long end)
{
BUG_ON(htab_bolt_mapping(start, end, start,
_PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX,
mmu_linear_psize));
}
#endif /* CONFIG_MEMORY_HOTPLUG */
void __init htab_initialize(void)
{
unsigned long table, htab_size_bytes;
......@@ -410,7 +421,7 @@ void __init htab_initialize(void)
htab_hash_mask = pteg_count - 1;
if (systemcfg->platform & PLATFORM_LPAR) {
if (platform_is_lpar()) {
/* Using a hypervisor which owns the htab */
htab_address = NULL;
_SDR1 = 0;
......@@ -431,6 +442,9 @@ void __init htab_initialize(void)
/* Initialize the HPT with no entries */
memset((void *)table, 0, htab_size_bytes);
/* Set SDR1 */
mtspr(SPRN_SDR1, _SDR1);
}
mode_rw = _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX;
......@@ -500,6 +514,12 @@ void __init htab_initialize(void)
#undef KB
#undef MB
void __init htab_initialize_secondary(void)
{
if (!platform_is_lpar())
mtspr(SPRN_SDR1, _SDR1);
}
/*
* Called by asm hashtable.S for doing lazy icache flush
*/
......
arch/powerpc/mm/init_32.c
View file @ 3ae0af12
......@@ -84,9 +84,6 @@ void MMU_init(void);
/* XXX should be in current.h -- paulus */
extern struct task_struct *current_set[NR_CPUS];
char *klimit = _end;
struct device_node *memory_node;
extern int init_bootmem_done;
/*
......
arch/powerpc/mm/init_64.c
View file @ 3ae0af12
......@@ -20,6 +20,8 @@
*
*/
#undef DEBUG
#include <linux/config.h>
#include <linux/signal.h>
#include <linux/sched.h>
......@@ -64,6 +66,12 @@
#include <asm/vdso.h>
#include <asm/imalloc.h>
#ifdef DEBUG
#define DBG(fmt...) printk(fmt)
#else
#define DBG(fmt...)
#endif
#if PGTABLE_RANGE > USER_VSID_RANGE
#warning Limited user VSID range means pagetable space is wasted
#endif
......@@ -72,8 +80,6 @@
#warning TASK_SIZE is smaller than it needs to be.
#endif
unsigned long klimit = (unsigned long)_end;
/* max amount of RAM to use */
unsigned long __max_memory;
......@@ -188,14 +194,14 @@ static void zero_ctor(void *addr, kmem_cache_t *cache, unsigned long flags)
}
#ifdef CONFIG_PPC_64K_PAGES
static const int pgtable_cache_size[2] = {
PTE_TABLE_SIZE, PGD_TABLE_SIZE
static const unsigned int pgtable_cache_size[3] = {
PTE_TABLE_SIZE, PMD_TABLE_SIZE, PGD_TABLE_SIZE
};
static const char *pgtable_cache_name[ARRAY_SIZE(pgtable_cache_size)] = {
"pte_pmd_cache", "pgd_cache",
"pte_pmd_cache", "pmd_cache", "pgd_cache",
};
#else
static const int pgtable_cache_size[2] = {
static const unsigned int pgtable_cache_size[2] = {
PTE_TABLE_SIZE, PMD_TABLE_SIZE
};
static const char *pgtable_cache_name[ARRAY_SIZE(pgtable_cache_size)] = {
......@@ -213,6 +219,8 @@ void pgtable_cache_init(void)
int size = pgtable_cache_size[i];
const char *name = pgtable_cache_name[i];
DBG("Allocating page table cache %s (#%d) "
"for size: %08x...\n", name, i, size);
pgtable_cache[i] = kmem_cache_create(name,
size, size,
SLAB_HWCACHE_ALIGN |
......
arch/powerpc/mm/mem.c
View file @ 3ae0af12
......@@ -110,6 +110,7 @@ EXPORT_SYMBOL(phys_mem_access_prot);
void online_page(struct page *page)
{
ClearPageReserved(page);
set_page_count(page, 0);
free_cold_page(page);
totalram_pages++;
num_physpages++;
......@@ -127,6 +128,9 @@ int __devinit add_memory(u64 start, u64 size)
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
start += KERNELBASE;
create_section_mapping(start, start + size);
/* this should work for most non-highmem platforms */
zone = pgdata->node_zones;
......
arch/powerpc/mm/pgtable_64.c
View file @ 3ae0af12
......@@ -122,8 +122,11 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags)
*
*/
if (htab_bolt_mapping(ea, ea + PAGE_SIZE, pa, flags,
mmu_virtual_psize))
panic("Can't map bolted IO mapping");
mmu_virtual_psize)) {
printk(KERN_ERR "Failed to do bolted mapping IO "
"memory at %016lx !\n", pa);
return -ENOMEM;
}
}
return 0;
}
......
arch/powerpc/mm/stab.c
View file @ 3ae0af12
......@@ -20,6 +20,7 @@
#include <asm/cputable.h>
#include <asm/lmb.h>
#include <asm/abs_addr.h>
#include <asm/firmware.h>
struct stab_entry {
unsigned long esid_data;
......@@ -256,7 +257,7 @@ void stabs_alloc(void)
paca[cpu].stab_addr = newstab;
paca[cpu].stab_real = virt_to_abs(newstab);
printk(KERN_DEBUG "Segment table for CPU %d at 0x%lx "
printk(KERN_INFO "Segment table for CPU %d at 0x%lx "
"virtual, 0x%lx absolute\n",
cpu, paca[cpu].stab_addr, paca[cpu].stab_real);
}
......@@ -270,10 +271,28 @@ void stabs_alloc(void)
void stab_initialize(unsigned long stab)
{
unsigned long vsid = get_kernel_vsid(KERNELBASE);
unsigned long stabreal;
asm volatile("isync; slbia; isync":::"memory");
make_ste(stab, GET_ESID(KERNELBASE), vsid);
/* Order update */
asm volatile("sync":::"memory");
/* Set ASR */
stabreal = get_paca()->stab_real | 0x1ul;
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES)) {
HvCall1(HvCallBaseSetASR, stabreal);
return;
}
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_PPC_PSERIES
if (platform_is_lpar()) {
plpar_hcall_norets(H_SET_ASR, stabreal);
return;
}
#endif
mtspr(SPRN_ASR, stabreal);
}
arch/powerpc/oprofile/op_model_power4.c
View file @ 3ae0af12
......@@ -233,8 +233,7 @@ static unsigned long get_pc(struct pt_regs *regs)
mmcra = mfspr(SPRN_MMCRA);
/* Were we in the hypervisor? */
if ((systemcfg->platform == PLATFORM_PSERIES_LPAR) &&
(mmcra & MMCRA_SIHV))
if (platform_is_lpar() && (mmcra & MMCRA_SIHV))
/* function descriptor madness */
return *((unsigned long *)hypervisor_bucket);
......
arch/powerpc/platforms/chrp/setup.c
View file @ 3ae0af12
......@@ -361,7 +361,9 @@ static void __init chrp_find_openpic(void)
printk(KERN_INFO "OpenPIC at %lx\n", opaddr);
irq_count = NR_IRQS - NUM_ISA_INTERRUPTS - 4; /* leave room for IPIs */
prom_get_irq_senses(init_senses, NUM_8259_INTERRUPTS, NR_IRQS - 4);
prom_get_irq_senses(init_senses, NUM_ISA_INTERRUPTS, NR_IRQS - 4);
/* i8259 cascade is always positive level */
init_senses[0] = IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE;
iranges = (unsigned int *) get_property(np, "interrupt-ranges", &len);
if (iranges == NULL)
......
arch/powerpc/platforms/iseries/irq.c
View file @ 3ae0af12
......@@ -103,6 +103,9 @@ static void intReceived(struct XmPciLpEvent *eventParm,
struct pt_regs *regsParm)
{
int irq;
#ifdef CONFIG_IRQSTACKS
struct thread_info *curtp, *irqtp;
#endif
++Pci_Interrupt_Count;
......@@ -110,7 +113,20 @@ static void intReceived(struct XmPciLpEvent *eventParm,
case XmPciLpEvent_SlotInterrupt:
irq = eventParm->hvLpEvent.xCorrelationToken;
/* Dispatch the interrupt handlers for this irq */
ppc_irq_dispatch_handler(regsParm, irq);
#ifdef CONFIG_IRQSTACKS
/* Switch to the irq stack to handle this */
curtp = current_thread_info();
irqtp = hardirq_ctx[smp_processor_id()];
if (curtp != irqtp) {
irqtp->task = curtp->task;
irqtp->flags = 0;
call___do_IRQ(irq, regsParm, irqtp);
irqtp->task = NULL;
if (irqtp->flags)
set_bits(irqtp->flags, &curtp->flags);
} else
#endif
__do_IRQ(irq, regsParm);
HvCallPci_eoi(eventParm->eventData.slotInterrupt.busNumber,
eventParm->eventData.slotInterrupt.subBusNumber,
eventParm->eventData.slotInterrupt.deviceId);
......@@ -310,10 +326,8 @@ static void iSeries_disable_IRQ(unsigned int irq)
}
/*
* Need to define this so ppc_irq_dispatch_handler will NOT call
* enable_IRQ at the end of interrupt handling. However, this does
* nothing because there is not enough information provided to do
* the EOI HvCall. This is done by XmPciLpEvent.c
* This does nothing because there is not enough information
* provided to do the EOI HvCall. This is done by XmPciLpEvent.c
*/
static void iSeries_end_IRQ(unsigned int irq)
{
......
arch/powerpc/platforms/iseries/misc.S
View file @ 3ae0af12
......@@ -15,6 +15,7 @@
#include <asm/processor.h>
#include <asm/asm-offsets.h>
#include <asm/ppc_asm.h>
.text
......
arch/powerpc/platforms/iseries/setup.c
View file @ 3ae0af12
......@@ -39,7 +39,8 @@
#include <asm/sections.h>
#include <asm/iommu.h>
#include <asm/firmware.h>
#include <asm/systemcfg.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/paca.h>
#include <asm/cache.h>
......@@ -71,7 +72,7 @@ extern void hvlog(char *fmt, ...);
#endif
/* Function Prototypes */
static void build_iSeries_Memory_Map(void);
static unsigned long build_iSeries_Memory_Map(void);
static void iseries_shared_idle(void);
static void iseries_dedicated_idle(void);
#ifdef CONFIG_PCI
......@@ -84,7 +85,6 @@ static void iSeries_pci_final_fixup(void) { }
int piranha_simulator;
extern int rd_size; /* Defined in drivers/block/rd.c */
extern unsigned long klimit;
extern unsigned long embedded_sysmap_start;
extern unsigned long embedded_sysmap_end;
......@@ -403,9 +403,11 @@ void mschunks_alloc(unsigned long num_chunks)
* a table used to translate Linux's physical addresses to these
* absolute addresses. Absolute addresses are needed when
* communicating with the hypervisor (e.g. to build HPT entries)
*
* Returns the physical memory size
*/
static void __init build_iSeries_Memory_Map(void)
static unsigned long __init build_iSeries_Memory_Map(void)
{
u32 loadAreaFirstChunk, loadAreaLastChunk, loadAreaSize;
u32 nextPhysChunk;
......@@ -538,7 +540,7 @@ static void __init build_iSeries_Memory_Map(void)
* which should be equal to
* nextPhysChunk
*/
systemcfg->physicalMemorySize = chunk_to_addr(nextPhysChunk);
return chunk_to_addr(nextPhysChunk);
}
/*
......@@ -564,8 +566,8 @@ static void __init iSeries_setup_arch(void)
printk("Max physical processors = %d\n",
itVpdAreas.xSlicMaxPhysicalProcs);
systemcfg->processor = xIoHriProcessorVpd[procIx].xPVR;
printk("Processor version = %x\n", systemcfg->processor);
_systemcfg->processor = xIoHriProcessorVpd[procIx].xPVR;
printk("Processor version = %x\n", _systemcfg->processor);
}
static void iSeries_show_cpuinfo(struct seq_file *m)
......@@ -702,7 +704,6 @@ static void iseries_shared_idle(void)
static void iseries_dedicated_idle(void)
{
long oldval;
set_thread_flag(TIF_POLLING_NRFLAG);
while (1) {
......@@ -929,7 +930,7 @@ void dt_cpus(struct iseries_flat_dt *dt)
dt_end_node(dt);
}
void build_flat_dt(struct iseries_flat_dt *dt)
void build_flat_dt(struct iseries_flat_dt *dt, unsigned long phys_mem_size)
{
u64 tmp[2];
......@@ -945,7 +946,7 @@ void build_flat_dt(struct iseries_flat_dt *dt)
dt_prop_str(dt, "name", "memory");
dt_prop_str(dt, "device_type", "memory");
tmp[0] = 0;
tmp[1] = systemcfg->physicalMemorySize;
tmp[1] = phys_mem_size;
dt_prop_u64_list(dt, "reg", tmp, 2);
dt_end_node(dt);
......@@ -965,13 +966,15 @@ void build_flat_dt(struct iseries_flat_dt *dt)
void * __init iSeries_early_setup(void)
{
unsigned long phys_mem_size;
iSeries_fixup_klimit();
/*
* Initialize the table which translate Linux physical addresses to
* AS/400 absolute addresses
*/
build_iSeries_Memory_Map();
phys_mem_size = build_iSeries_Memory_Map();
iSeries_get_cmdline();
......@@ -981,7 +984,7 @@ void * __init iSeries_early_setup(void)
/* Parse early parameters, in particular mem=x */
parse_early_param();
build_flat_dt(&iseries_dt);
build_flat_dt(&iseries_dt, phys_mem_size);
return (void *) __pa(&iseries_dt);
}
......
arch/powerpc/platforms/maple/pci.c
View file @ 3ae0af12
......@@ -380,9 +380,6 @@ void __init maple_pcibios_fixup(void)
for_each_pci_dev(dev)
pci_read_irq_line(dev);
/* Do the mapping of the IO space */
phbs_remap_io();
DBG(" <- maple_pcibios_fixup\n");
}
......
arch/powerpc/platforms/powermac/pci.c
View file @ 3ae0af12
......@@ -918,9 +918,6 @@ void __init pmac_pci_init(void)
PCI_DN(np)->busno = 0xf0;
}
/* map in PCI I/O space */
phbs_remap_io();
/* pmac_check_ht_link(); */
/* Tell pci.c to not use the common resource allocation mechanism */
......
arch/powerpc/platforms/powermac/pic.c
View file @ 3ae0af12
......@@ -74,6 +74,9 @@ static DEFINE_SPINLOCK(pmac_pic_lock);
#define GATWICK_IRQ_POOL_SIZE 10
static struct interrupt_info gatwick_int_pool[GATWICK_IRQ_POOL_SIZE];
#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
static unsigned long ppc_lost_interrupts[NR_MASK_WORDS];
/*
* Mark an irq as "lost". This is only used on the pmac
* since it can lose interrupts (see pmac_set_irq_mask).
......
arch/powerpc/platforms/powermac/smp.c
View file @ 3ae0af12
......@@ -305,9 +305,19 @@ static int __init smp_psurge_probe(void)
psurge_start = ioremap(PSURGE_START, 4);
psurge_pri_intr = ioremap(PSURGE_PRI_INTR, 4);
/* this is not actually strictly necessary -- paulus. */
for (i = 1; i < ncpus; ++i)
smp_hw_index[i] = i;
/*
* This is necessary because OF doesn't know about the
* secondary cpu(s), and thus there aren't nodes in the
* device tree for them, and smp_setup_cpu_maps hasn't
* set their bits in cpu_possible_map and cpu_present_map.
*/
if (ncpus > NR_CPUS)
ncpus = NR_CPUS;
for (i = 1; i < ncpus ; ++i) {
cpu_set(i, cpu_present_map);
cpu_set(i, cpu_possible_map);
set_hard_smp_processor_id(i, i);
}
if (ppc_md.progress) ppc_md.progress("smp_psurge_probe - done", 0x352);
......@@ -348,6 +358,7 @@ static void __init psurge_dual_sync_tb(int cpu_nr)
int t;
set_dec(tb_ticks_per_jiffy);
/* XXX fixme */
set_tb(0, 0);
last_jiffy_stamp(cpu_nr) = 0;
......@@ -363,8 +374,6 @@ static void __init psurge_dual_sync_tb(int cpu_nr)
/* now interrupt the secondary, starting both TBs */
psurge_set_ipi(1);
smp_tb_synchronized = 1;
}
static struct irqaction psurge_irqaction = {
......@@ -625,9 +634,8 @@ void smp_core99_give_timebase(void)
for (t = 100000; t > 0 && sec_tb_reset; --t)
udelay(10);
if (sec_tb_reset)
/* XXX BUG_ON here? */
printk(KERN_WARNING "Timeout waiting sync(2) on second CPU\n");
else
smp_tb_synchronized = 1;
/* Now, restart the timebase by leaving the GPIO to an open collector */
pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, core99_tb_gpio, 0);
......@@ -810,19 +818,9 @@ static void __devinit smp_core99_setup_cpu(int cpu_nr)
}
/* Core99 Macs (dual G4s and G5s) */
struct smp_ops_t core99_smp_ops = {
.message_pass = smp_mpic_message_pass,
.probe = smp_core99_probe,
.kick_cpu = smp_core99_kick_cpu,
.setup_cpu = smp_core99_setup_cpu,
.give_timebase = smp_core99_give_timebase,
.take_timebase = smp_core99_take_timebase,
};
#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32)
int __cpu_disable(void)
int smp_core99_cpu_disable(void)
{
cpu_clear(smp_processor_id(), cpu_online_map);
......@@ -846,7 +844,7 @@ void cpu_die(void)
low_cpu_die();
}
void __cpu_die(unsigned int cpu)
void smp_core99_cpu_die(unsigned int cpu)
{
int timeout;
......@@ -858,8 +856,21 @@ void __cpu_die(unsigned int cpu)
}
msleep(1);
}
cpu_callin_map[cpu] = 0;
cpu_dead[cpu] = 0;
}
#endif
/* Core99 Macs (dual G4s and G5s) */
struct smp_ops_t core99_smp_ops = {
.message_pass = smp_mpic_message_pass,
.probe = smp_core99_probe,
.kick_cpu = smp_core99_kick_cpu,
.setup_cpu = smp_core99_setup_cpu,
.give_timebase = smp_core99_give_timebase,
.take_timebase = smp_core99_take_timebase,
#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32)
.cpu_disable = smp_core99_cpu_disable,
.cpu_die = smp_core99_cpu_die,
#endif
};
arch/powerpc/platforms/pseries/Makefile
View file @ 3ae0af12
......@@ -3,3 +3,5 @@ obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_IBMVIO) += vio.o
obj-$(CONFIG_XICS) += xics.o
obj-$(CONFIG_SCANLOG) += scanlog.o
obj-$(CONFIG_EEH) += eeh.o eeh_event.o
arch/powerpc/platforms/pseries/eeh_event.c 0 → 100644
View file @ 3ae0af12
/*
* eeh_event.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Copyright (c) 2005 Linas Vepstas <linas@linas.org>
*/
#include <linux/list.h>
#include <linux/pci.h>
#include <asm/eeh_event.h>
/** Overview:
* EEH error states may be detected within exception handlers;
* however, the recovery processing needs to occur asynchronously
* in a normal kernel context and not an interrupt context.
* This pair of routines creates an event and queues it onto a
* work-queue, where a worker thread can drive recovery.
*/
/* EEH event workqueue setup. */
static spinlock_t eeh_eventlist_lock = SPIN_LOCK_UNLOCKED;
LIST_HEAD(eeh_eventlist);
static void eeh_thread_launcher(void *);
DECLARE_WORK(eeh_event_wq, eeh_thread_launcher, NULL);
/**
* eeh_panic - call panic() for an eeh event that cannot be handled.
* The philosophy of this routine is that it is better to panic and
* halt the OS than it is to risk possible data corruption by
* oblivious device drivers that don't know better.
*
* @dev pci device that had an eeh event
* @reset_state current reset state of the device slot
*/
static void eeh_panic(struct pci_dev *dev, int reset_state)
{
/*
* Since the panic_on_oops sysctl is used to halt the system
* in light of potential corruption, we can use it here.
*/
if (panic_on_oops) {
panic("EEH: MMIO failure (%d) on device:%s\n", reset_state,
pci_name(dev));
}
else {
printk(KERN_INFO "EEH: Ignored MMIO failure (%d) on device:%s\n",
reset_state, pci_name(dev));
}
}
/**
* eeh_event_handler - dispatch EEH events. The detection of a frozen
* slot can occur inside an interrupt, where it can be hard to do
* anything about it. The goal of this routine is to pull these
* detection events out of the context of the interrupt handler, and
* re-dispatch them for processing at a later time in a normal context.
*
* @dummy - unused
*/
static int eeh_event_handler(void * dummy)
{
unsigned long flags;
struct eeh_event *event;
daemonize ("eehd");
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
spin_lock_irqsave(&eeh_eventlist_lock, flags);
event = NULL;
if (!list_empty(&eeh_eventlist)) {
event = list_entry(eeh_eventlist.next, struct eeh_event, list);
list_del(&event->list);
}
spin_unlock_irqrestore(&eeh_eventlist_lock, flags);
if (event == NULL)
break;
printk(KERN_INFO "EEH: Detected PCI bus error on device %s\n",
pci_name(event->dev));
eeh_panic (event->dev, event->state);
kfree(event);
}
return 0;
}
/**
* eeh_thread_launcher
*
* @dummy - unused
*/
static void eeh_thread_launcher(void *dummy)
{
if (kernel_thread(eeh_event_handler, NULL, CLONE_KERNEL) < 0)
printk(KERN_ERR "Failed to start EEH daemon\n");
}
/**
* eeh_send_failure_event - generate a PCI error event
* @dev pci device
*
* This routine can be called within an interrupt context;
* the actual event will be delivered in a normal context
* (from a workqueue).
*/
int eeh_send_failure_event (struct device_node *dn,
struct pci_dev *dev,
int state,
int time_unavail)
{
unsigned long flags;
struct eeh_event *event;
event = kmalloc(sizeof(*event), GFP_ATOMIC);
if (event == NULL) {
printk (KERN_ERR "EEH: out of memory, event not handled\n");
return 1;
}
if (dev)
pci_dev_get(dev);
event->dn = dn;
event->dev = dev;
event->state = state;
event->time_unavail = time_unavail;
/* We may or may not be called in an interrupt context */
spin_lock_irqsave(&eeh_eventlist_lock, flags);
list_add(&event->list, &eeh_eventlist);
spin_unlock_irqrestore(&eeh_eventlist_lock, flags);
schedule_work(&eeh_event_wq);
return 0;
}
/********************** END OF FILE ******************************/
arch/powerpc/platforms/pseries/iommu.c
View file @ 3ae0af12
......@@ -42,7 +42,6 @@
#include <asm/machdep.h>
#include <asm/abs_addr.h>
#include <asm/pSeries_reconfig.h>
#include <asm/systemcfg.h>
#include <asm/firmware.h>
#include <asm/tce.h>
#include <asm/ppc-pci.h>
......@@ -582,7 +581,7 @@ void iommu_init_early_pSeries(void)
return;
}
if (systemcfg->platform & PLATFORM_LPAR) {
if (platform_is_lpar()) {
if (firmware_has_feature(FW_FEATURE_MULTITCE)) {
ppc_md.tce_build = tce_buildmulti_pSeriesLP;
ppc_md.tce_free = tce_freemulti_pSeriesLP;
......
arch/powerpc/platforms/pseries/pci.c
View file @ 3ae0af12
......@@ -107,7 +107,6 @@ static void __init pSeries_request_regions(void)
void __init pSeries_final_fixup(void)
{
phbs_remap_io();
pSeries_request_regions();
pci_addr_cache_build();
......@@ -123,7 +122,7 @@ static void fixup_winbond_82c105(struct pci_dev* dev)
int i;
unsigned int reg;
if (!(systemcfg->platform & PLATFORM_PSERIES))
if (!platform_is_pseries())
return;
printk("Using INTC for W82c105 IDE controller.\n");
......
arch/powerpc/platforms/pseries/reconfig.c
View file @ 3ae0af12
......@@ -408,7 +408,7 @@ static int proc_ppc64_create_ofdt(void)
{
struct proc_dir_entry *ent;
if (!(systemcfg->platform & PLATFORM_PSERIES))
if (!platform_is_pseries())
return 0;
ent = create_proc_entry("ppc64/ofdt", S_IWUSR, NULL);
......
arch/powerpc/platforms/pseries/rtasd.c
View file @ 3ae0af12
......@@ -482,10 +482,12 @@ static int __init rtas_init(void)
{
struct proc_dir_entry *entry;
/* No RTAS, only warn if we are on a pSeries box */
if (!platform_is_pseries())
return 0;
/* No RTAS */
if (rtas_token("event-scan") == RTAS_UNKNOWN_SERVICE) {
if (systemcfg->platform & PLATFORM_PSERIES)
printk(KERN_INFO "rtasd: no event-scan on system\n");
printk(KERN_INFO "rtasd: no event-scan on system\n");
return 1;
}
......
arch/powerpc/platforms/pseries/setup.c
View file @ 3ae0af12
......@@ -249,7 +249,7 @@ static void __init pSeries_setup_arch(void)
ppc_md.idle_loop = default_idle;
}
if (systemcfg->platform & PLATFORM_LPAR)
if (platform_is_lpar())
ppc_md.enable_pmcs = pseries_lpar_enable_pmcs;
else
ppc_md.enable_pmcs = power4_enable_pmcs;
......@@ -378,7 +378,7 @@ static void __init pSeries_init_early(void)
fw_feature_init();
if (systemcfg->platform & PLATFORM_LPAR)
if (platform_is_lpar())
hpte_init_lpar();
else {
hpte_init_native();
......@@ -388,7 +388,7 @@ static void __init pSeries_init_early(void)
generic_find_legacy_serial_ports(&physport, &default_speed);
if (systemcfg->platform & PLATFORM_LPAR)
if (platform_is_lpar())
find_udbg_vterm();
else if (physport) {
/* Map the uart for udbg. */
......@@ -592,7 +592,7 @@ static void pseries_shared_idle(void)
static int pSeries_pci_probe_mode(struct pci_bus *bus)
{
if (systemcfg->platform & PLATFORM_LPAR)
if (platform_is_lpar())
return PCI_PROBE_DEVTREE;
return PCI_PROBE_NORMAL;
}
......
arch/powerpc/platforms/pseries/smp.c
View file @ 3ae0af12
......@@ -46,6 +46,7 @@
#include <asm/rtas.h>
#include <asm/pSeries_reconfig.h>
#include <asm/mpic.h>
#include <asm/systemcfg.h>
#include "plpar_wrappers.h"
......@@ -96,7 +97,7 @@ int pSeries_cpu_disable(void)
int cpu = smp_processor_id();
cpu_clear(cpu, cpu_online_map);
systemcfg->processorCount--;
_systemcfg->processorCount--;
/*fix boot_cpuid here*/
if (cpu == boot_cpuid)
......@@ -441,7 +442,7 @@ void __init smp_init_pSeries(void)
smp_ops->cpu_die = pSeries_cpu_die;
/* Processors can be added/removed only on LPAR */
if (systemcfg->platform == PLATFORM_PSERIES_LPAR)
if (platform_is_lpar())
pSeries_reconfig_notifier_register(&pSeries_smp_nb);
#endif
......
arch/powerpc/platforms/pseries/xics.c
View file @ 3ae0af12
......@@ -545,7 +545,9 @@ void xics_init_IRQ(void)
of_node_put(np);
}
if (systemcfg->platform == PLATFORM_PSERIES) {
if (platform_is_lpar())
ops = &pSeriesLP_ops;
else {
#ifdef CONFIG_SMP
for_each_cpu(i) {
int hard_id;
......@@ -561,12 +563,11 @@ void xics_init_IRQ(void)
#else
xics_per_cpu[0] = ioremap(intr_base, intr_size);
#endif /* CONFIG_SMP */
} else if (systemcfg->platform == PLATFORM_PSERIES_LPAR) {
ops = &pSeriesLP_ops;
}
xics_8259_pic.enable = i8259_pic.enable;
xics_8259_pic.disable = i8259_pic.disable;
xics_8259_pic.end = i8259_pic.end;
for (i = 0; i < 16; ++i)
get_irq_desc(i)->handler = &xics_8259_pic;
for (; i < NR_IRQS; ++i)
......
arch/powerpc/sysdev/u3_iommu.c
View file @ 3ae0af12
......@@ -226,7 +226,7 @@ static void iommu_table_u3_setup(void)
iommu_table_u3.it_busno = 0;
iommu_table_u3.it_offset = 0;
/* it_size is in number of entries */
iommu_table_u3.it_size = dart_tablesize / sizeof(u32);
iommu_table_u3.it_size = (dart_tablesize / sizeof(u32)) >> DART_PAGE_FACTOR;
/* Initialize the common IOMMU code */
iommu_table_u3.it_base = (unsigned long)dart_vbase;
......
arch/powerpc/xmon/Makefile
View file @ 3ae0af12
......@@ -8,4 +8,4 @@ obj-$(CONFIG_8xx) += start_8xx.o
obj-$(CONFIG_6xx) += start_32.o
obj-$(CONFIG_4xx) += start_32.o
obj-$(CONFIG_PPC64) += start_64.o
obj-y += xmon.o ppc-dis.o ppc-opc.o subr_prf.o setjmp.o
obj-y += xmon.o ppc-dis.o ppc-opc.o setjmp.o nonstdio.o
arch/powerpc/xmon/nonstdio.c 0 → 100644
View file @ 3ae0af12
/*
* Copyright (C) 1996-2005 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 <linux/string.h>
#include <asm/time.h>
#include "nonstdio.h"
int xmon_putchar(int c)
{
char ch = c;
if (c == '\n')
xmon_putchar('\r');
return xmon_write(&ch, 1) == 1? c: -1;
}
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)
{
int c;
if (lineleft == 0) {
lineptr = line;
for (;;) {
c = xmon_readchar();
if (c == -1 || c == 4)
break;
if (c == '\r' || c == '\n') {
*lineptr++ = '\n';
xmon_putchar('\n');
break;
}
switch (c) {
case 0177:
case '\b':
if (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
case 'U' & 0x1F:
while (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
default:
if (lineptr >= &line[sizeof(line) - 1])
xmon_putchar('\a');
else {
xmon_putchar(c);
*lineptr++ = c;
}
}
}
lineleft = lineptr - line;
lineptr = line;
}
if (lineleft == 0)
return -1;
--lineleft;
return *lineptr++;
}
char *xmon_gets(char *str, int nb)
{
char *p;
int c;
for (p = str; p < str + nb - 1; ) {
c = xmon_getchar();
if (c == -1) {
if (p == str)
return NULL;
break;
}
*p++ = c;
if (c == '\n')
break;
}
*p = 0;
return str;
}
void xmon_printf(const char *format, ...)
{
va_list args;
int n;
static char xmon_outbuf[1024];
va_start(args, format);
n = vsnprintf(xmon_outbuf, sizeof(xmon_outbuf), format, args);
va_end(args);
xmon_write(xmon_outbuf, n);
}
arch/powerpc/xmon/nonstdio.h
View file @ 3ae0af12
typedef int FILE;
extern FILE *xmon_stdin, *xmon_stdout;
#define EOF (-1)
#define stdin xmon_stdin
#define stdout xmon_stdout
#define printf xmon_printf
#define fprintf xmon_fprintf
#define fputs xmon_fputs
#define fgets xmon_fgets
#define putchar xmon_putchar
#define getchar xmon_getchar
#define putc xmon_putc
#define getc xmon_getc
#define fopen(n, m) NULL
#define fflush(f) do {} while (0)
#define fclose(f) do {} while (0)
extern char *fgets(char *, int, void *);
extern void xmon_printf(const char *, ...);
extern void xmon_fprintf(void *, const char *, ...);
extern void xmon_sprintf(char *, const char *, ...);
#define perror(s) printf("%s: no files!\n", (s))
extern int xmon_putchar(int c);
extern int xmon_getchar(void);
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(void *ptr, int nb);
extern int xmon_readchar(void);
extern int xmon_read_poll(void);
arch/powerpc/xmon/setjmp.S
View file @ 3ae0af12
......@@ -14,61 +14,61 @@
_GLOBAL(xmon_setjmp)
mflr r0
STL r0,0(r3)
STL r1,SZL(r3)
STL r2,2*SZL(r3)
PPC_STL r0,0(r3)
PPC_STL r1,SZL(r3)
PPC_STL r2,2*SZL(r3)
mfcr r0
STL r0,3*SZL(r3)
STL r13,4*SZL(r3)
STL r14,5*SZL(r3)
STL r15,6*SZL(r3)
STL r16,7*SZL(r3)
STL r17,8*SZL(r3)
STL r18,9*SZL(r3)
STL r19,10*SZL(r3)
STL r20,11*SZL(r3)
STL r21,12*SZL(r3)
STL r22,13*SZL(r3)
STL r23,14*SZL(r3)
STL r24,15*SZL(r3)
STL r25,16*SZL(r3)
STL r26,17*SZL(r3)
STL r27,18*SZL(r3)
STL r28,19*SZL(r3)
STL r29,20*SZL(r3)
STL r30,21*SZL(r3)
STL r31,22*SZL(r3)
PPC_STL r0,3*SZL(r3)
PPC_STL r13,4*SZL(r3)
PPC_STL r14,5*SZL(r3)
PPC_STL r15,6*SZL(r3)
PPC_STL r16,7*SZL(r3)
PPC_STL r17,8*SZL(r3)
PPC_STL r18,9*SZL(r3)
PPC_STL r19,10*SZL(r3)
PPC_STL r20,11*SZL(r3)
PPC_STL r21,12*SZL(r3)
PPC_STL r22,13*SZL(r3)
PPC_STL r23,14*SZL(r3)
PPC_STL r24,15*SZL(r3)
PPC_STL r25,16*SZL(r3)
PPC_STL r26,17*SZL(r3)
PPC_STL r27,18*SZL(r3)
PPC_STL r28,19*SZL(r3)
PPC_STL r29,20*SZL(r3)
PPC_STL r30,21*SZL(r3)
PPC_STL r31,22*SZL(r3)
li r3,0
blr
_GLOBAL(xmon_longjmp)
CMPI r4,0
PPC_LCMPI r4,0
bne 1f
li r4,1
1: LDL r13,4*SZL(r3)
LDL r14,5*SZL(r3)
LDL r15,6*SZL(r3)
LDL r16,7*SZL(r3)
LDL r17,8*SZL(r3)
LDL r18,9*SZL(r3)
LDL r19,10*SZL(r3)
LDL r20,11*SZL(r3)
LDL r21,12*SZL(r3)
LDL r22,13*SZL(r3)
LDL r23,14*SZL(r3)
LDL r24,15*SZL(r3)
LDL r25,16*SZL(r3)
LDL r26,17*SZL(r3)
LDL r27,18*SZL(r3)
LDL r28,19*SZL(r3)
LDL r29,20*SZL(r3)
LDL r30,21*SZL(r3)
LDL r31,22*SZL(r3)
LDL r0,3*SZL(r3)
1: PPC_LL r13,4*SZL(r3)
PPC_LL r14,5*SZL(r3)
PPC_LL r15,6*SZL(r3)
PPC_LL r16,7*SZL(r3)
PPC_LL r17,8*SZL(r3)
PPC_LL r18,9*SZL(r3)
PPC_LL r19,10*SZL(r3)
PPC_LL r20,11*SZL(r3)
PPC_LL r21,12*SZL(r3)
PPC_LL r22,13*SZL(r3)
PPC_LL r23,14*SZL(r3)
PPC_LL r24,15*SZL(r3)
PPC_LL r25,16*SZL(r3)
PPC_LL r26,17*SZL(r3)
PPC_LL r27,18*SZL(r3)
PPC_LL r28,19*SZL(r3)
PPC_LL r29,20*SZL(r3)
PPC_LL r30,21*SZL(r3)
PPC_LL r31,22*SZL(r3)
PPC_LL r0,3*SZL(r3)
mtcrf 0x38,r0
LDL r0,0(r3)
LDL r1,SZL(r3)
LDL r2,2*SZL(r3)
PPC_LL r0,0(r3)
PPC_LL r1,SZL(r3)
PPC_LL r2,2*SZL(r3)
mtlr r0
mr r3,r4
blr
......@@ -84,52 +84,52 @@ _GLOBAL(xmon_longjmp)
* different ABIs, though).
*/
_GLOBAL(xmon_save_regs)
STL r0,0*SZL(r3)
STL r2,2*SZL(r3)
STL r3,3*SZL(r3)
STL r4,4*SZL(r3)
STL r5,5*SZL(r3)
STL r6,6*SZL(r3)
STL r7,7*SZL(r3)
STL r8,8*SZL(r3)
STL r9,9*SZL(r3)
STL r10,10*SZL(r3)
STL r11,11*SZL(r3)
STL r12,12*SZL(r3)
STL r13,13*SZL(r3)
STL r14,14*SZL(r3)
STL r15,15*SZL(r3)
STL r16,16*SZL(r3)
STL r17,17*SZL(r3)
STL r18,18*SZL(r3)
STL r19,19*SZL(r3)
STL r20,20*SZL(r3)
STL r21,21*SZL(r3)
STL r22,22*SZL(r3)
STL r23,23*SZL(r3)
STL r24,24*SZL(r3)
STL r25,25*SZL(r3)
STL r26,26*SZL(r3)
STL r27,27*SZL(r3)
STL r28,28*SZL(r3)
STL r29,29*SZL(r3)
STL r30,30*SZL(r3)
STL r31,31*SZL(r3)
PPC_STL r0,0*SZL(r3)
PPC_STL r2,2*SZL(r3)
PPC_STL r3,3*SZL(r3)
PPC_STL r4,4*SZL(r3)
PPC_STL r5,5*SZL(r3)
PPC_STL r6,6*SZL(r3)
PPC_STL r7,7*SZL(r3)
PPC_STL r8,8*SZL(r3)
PPC_STL r9,9*SZL(r3)
PPC_STL r10,10*SZL(r3)
PPC_STL r11,11*SZL(r3)
PPC_STL r12,12*SZL(r3)
PPC_STL r13,13*SZL(r3)
PPC_STL r14,14*SZL(r3)
PPC_STL r15,15*SZL(r3)
PPC_STL r16,16*SZL(r3)
PPC_STL r17,17*SZL(r3)
PPC_STL r18,18*SZL(r3)
PPC_STL r19,19*SZL(r3)
PPC_STL r20,20*SZL(r3)
PPC_STL r21,21*SZL(r3)
PPC_STL r22,22*SZL(r3)
PPC_STL r23,23*SZL(r3)
PPC_STL r24,24*SZL(r3)
PPC_STL r25,25*SZL(r3)
PPC_STL r26,26*SZL(r3)
PPC_STL r27,27*SZL(r3)
PPC_STL r28,28*SZL(r3)
PPC_STL r29,29*SZL(r3)
PPC_STL r30,30*SZL(r3)
PPC_STL r31,31*SZL(r3)
/* go up one stack frame for SP */
LDL r4,0(r1)
STL r4,1*SZL(r3)
PPC_LL r4,0(r1)
PPC_STL r4,1*SZL(r3)
/* get caller's LR */
LDL r0,LRSAVE(r4)
STL r0,_NIP-STACK_FRAME_OVERHEAD(r3)
STL r0,_LINK-STACK_FRAME_OVERHEAD(r3)
PPC_LL r0,LRSAVE(r4)
PPC_STL r0,_NIP-STACK_FRAME_OVERHEAD(r3)
PPC_STL r0,_LINK-STACK_FRAME_OVERHEAD(r3)
mfmsr r0
STL r0,_MSR-STACK_FRAME_OVERHEAD(r3)
PPC_STL r0,_MSR-STACK_FRAME_OVERHEAD(r3)
mfctr r0
STL r0,_CTR-STACK_FRAME_OVERHEAD(r3)
PPC_STL r0,_CTR-STACK_FRAME_OVERHEAD(r3)
mfxer r0
STL r0,_XER-STACK_FRAME_OVERHEAD(r3)
PPC_STL r0,_XER-STACK_FRAME_OVERHEAD(r3)
mfcr r0
STL r0,_CCR-STACK_FRAME_OVERHEAD(r3)
PPC_STL r0,_CCR-STACK_FRAME_OVERHEAD(r3)
li r0,0
STL r0,_TRAP-STACK_FRAME_OVERHEAD(r3)
PPC_STL r0,_TRAP-STACK_FRAME_OVERHEAD(r3)
blr
arch/powerpc/xmon/start_32.c
View file @ 3ae0af12
......@@ -11,7 +11,6 @@
#include <linux/cuda.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/sysrq.h>
#include <linux/bitops.h>
#include <asm/xmon.h>
#include <asm/prom.h>
......@@ -22,10 +21,11 @@
#include <asm/processor.h>
#include <asm/delay.h>
#include <asm/btext.h>
#include <asm/time.h>
#include "nonstdio.h"
static volatile unsigned char __iomem *sccc, *sccd;
unsigned int TXRDY, RXRDY, DLAB;
static int xmon_expect(const char *str, unsigned int timeout);
static int use_serial;
static int use_screen;
......@@ -33,16 +33,6 @@ static int via_modem;
static int xmon_use_sccb;
static struct device_node *channel_node;
#define TB_SPEED 25000000
static inline unsigned int readtb(void)
{
unsigned int ret;
asm volatile("mftb %0" : "=r" (ret) :);
return ret;
}
void buf_access(void)
{
if (DLAB)
......@@ -91,23 +81,7 @@ static unsigned long chrp_find_phys_io_base(void)
}
#endif /* CONFIG_PPC_CHRP */
#ifdef CONFIG_MAGIC_SYSRQ
static void sysrq_handle_xmon(int key, struct pt_regs *regs,
struct tty_struct *tty)
{
xmon(regs);
}
static struct sysrq_key_op sysrq_xmon_op =
{
.handler = sysrq_handle_xmon,
.help_msg = "Xmon",
.action_msg = "Entering xmon",
};
#endif
void
xmon_map_scc(void)
void xmon_map_scc(void)
{
#ifdef CONFIG_PPC_MULTIPLATFORM
volatile unsigned char __iomem *base;
......@@ -217,8 +191,6 @@ xmon_map_scc(void)
RXRDY = 1;
DLAB = 0x80;
#endif /* platform */
register_sysrq_key('x', &sysrq_xmon_op);
}
static int scc_initialized = 0;
......@@ -238,8 +210,7 @@ static inline void do_poll_adb(void)
#endif /* CONFIG_ADB_CUDA */
}
int
xmon_write(void *handle, void *ptr, int nb)
int xmon_write(void *ptr, int nb)
{
char *p = ptr;
int i, c, ct;
......@@ -311,8 +282,7 @@ static unsigned char xmon_shift_keytab[128] =
"\0.\0*\0+\0\0\0\0\0/\r\0-\0" /* 0x40 - 0x4f */
"\0\0000123456789\0\0\0"; /* 0x50 - 0x5f */
static int
xmon_get_adb_key(void)
static int xmon_get_adb_key(void)
{
int k, t, on;
......@@ -350,32 +320,21 @@ xmon_get_adb_key(void)
}
#endif /* CONFIG_BOOTX_TEXT */
int
xmon_read(void *handle, void *ptr, int nb)
int xmon_readchar(void)
{
char *p = ptr;
int i;
#ifdef CONFIG_BOOTX_TEXT
if (use_screen) {
for (i = 0; i < nb; ++i)
*p++ = xmon_get_adb_key();
return i;
}
if (use_screen)
return xmon_get_adb_key();
#endif
if (!scc_initialized)
xmon_init_scc();
for (i = 0; i < nb; ++i) {
if (!scc_initialized)
xmon_init_scc();
while ((*sccc & RXRDY) == 0)
do_poll_adb();
do_poll_adb();
buf_access();
*p++ = *sccd;
}
return i;
return *sccd;
}
int
xmon_read_poll(void)
int xmon_read_poll(void)
{
if ((*sccc & RXRDY) == 0) {
do_poll_adb();
......@@ -395,8 +354,7 @@ static unsigned char scc_inittab[] = {
3, 0xc1, /* rx enable, 8 bits */
};
void
xmon_init_scc(void)
void xmon_init_scc(void)
{
if ( _machine == _MACH_chrp )
{
......@@ -410,6 +368,7 @@ xmon_init_scc(void)
else if ( _machine == _MACH_Pmac )
{
int i, x;
unsigned long timeout;
if (channel_node != 0)
pmac_call_feature(
......@@ -424,8 +383,12 @@ xmon_init_scc(void)
PMAC_FTR_MODEM_ENABLE,
channel_node, 0, 1);
printk(KERN_INFO "Modem powered up by debugger !\n");
t0 = readtb();
while (readtb() - t0 < 3*TB_SPEED)
t0 = get_tbl();
timeout = 3 * tb_ticks_per_sec;
if (timeout == 0)
/* assume 25MHz if tb_ticks_per_sec not set */
timeout = 75000000;
while (get_tbl() - t0 < timeout)
eieio();
}
/* use the B channel if requested */
......@@ -447,164 +410,19 @@ xmon_init_scc(void)
scc_initialized = 1;
if (via_modem) {
for (;;) {
xmon_write(NULL, "ATE1V1\r", 7);
xmon_write("ATE1V1\r", 7);
if (xmon_expect("OK", 5)) {
xmon_write(NULL, "ATA\r", 4);
xmon_write("ATA\r", 4);
if (xmon_expect("CONNECT", 40))
break;
}
xmon_write(NULL, "+++", 3);
xmon_write("+++", 3);
xmon_expect("OK", 3);
}
}
}
void *xmon_stdin;
void *xmon_stdout;
void *xmon_stderr;
int xmon_putc(int c, void *f)
{
char ch = c;
if (c == '\n')
xmon_putc('\r', f);
return xmon_write(f, &ch, 1) == 1? c: -1;
}
int xmon_putchar(int c)
{
return xmon_putc(c, xmon_stdout);
}
int xmon_fputs(char *str, void *f)
{
int n = strlen(str);
return xmon_write(f, str, n) == n? 0: -1;
}
int
xmon_readchar(void)
{
char ch;
for (;;) {
switch (xmon_read(xmon_stdin, &ch, 1)) {
case 1:
return ch;
case -1:
xmon_printf("read(stdin) returned -1\r\n", 0, 0);
return -1;
}
}
}
static char line[256];
static char *lineptr;
static int lineleft;
int xmon_expect(const char *str, unsigned int timeout)
{
int c;
unsigned int t0;
timeout *= TB_SPEED;
t0 = readtb();
do {
lineptr = line;
for (;;) {
c = xmon_read_poll();
if (c == -1) {
if (readtb() - 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)
{
int c;
if (lineleft == 0) {
lineptr = line;
for (;;) {
c = xmon_readchar();
if (c == -1 || c == 4)
break;
if (c == '\r' || c == '\n') {
*lineptr++ = '\n';
xmon_putchar('\n');
break;
}
switch (c) {
case 0177:
case '\b':
if (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
case 'U' & 0x1F:
while (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
default:
if (lineptr >= &line[sizeof(line) - 1])
xmon_putchar('\a');
else {
xmon_putchar(c);
*lineptr++ = c;
}
}
}
lineleft = lineptr - line;
lineptr = line;
}
if (lineleft == 0)
return -1;
--lineleft;
return *lineptr++;
}
char *
xmon_fgets(char *str, int nb, void *f)
{
char *p;
int c;
for (p = str; p < str + nb - 1; ) {
c = xmon_getchar();
if (c == -1) {
if (p == str)
return NULL;
break;
}
*p++ = c;
if (c == '\n')
break;
}
*p = 0;
return str;
}
void
xmon_enter(void)
void xmon_enter(void)
{
#ifdef CONFIG_ADB_PMU
if (_machine == _MACH_Pmac) {
......@@ -613,8 +431,7 @@ xmon_enter(void)
#endif
}
void
xmon_leave(void)
void xmon_leave(void)
{
#ifdef CONFIG_ADB_PMU
if (_machine == _MACH_Pmac) {
......
arch/powerpc/xmon/start_64.c
View file @ 3ae0af12
......@@ -6,182 +6,29 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/config.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/sysrq.h>
#include <linux/init.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/prom.h>
#include <asm/processor.h>
#include <asm/udbg.h>
#include <asm/system.h>
#include "nonstdio.h"
#ifdef CONFIG_MAGIC_SYSRQ
static void sysrq_handle_xmon(int key, struct pt_regs *pt_regs,
struct tty_struct *tty)
{
/* ensure xmon is enabled */
xmon_init(1);
debugger(pt_regs);
}
static struct sysrq_key_op sysrq_xmon_op =
void xmon_map_scc(void)
{
.handler = sysrq_handle_xmon,
.help_msg = "Xmon",
.action_msg = "Entering xmon",
};
static int __init setup_xmon_sysrq(void)
{
register_sysrq_key('x', &sysrq_xmon_op);
return 0;
}
__initcall(setup_xmon_sysrq);
#endif /* CONFIG_MAGIC_SYSRQ */
int
xmon_write(void *handle, void *ptr, int nb)
int xmon_write(void *ptr, int nb)
{
return udbg_write(ptr, nb);
}
int
xmon_read(void *handle, void *ptr, int nb)
int xmon_readchar(void)
{
return udbg_read(ptr, nb);
if (udbg_getc)
return udbg_getc();
return -1;
}
int
xmon_read_poll(void)
int xmon_read_poll(void)
{
if (udbg_getc_poll)
return udbg_getc_poll();
return -1;
}
FILE *xmon_stdin;
FILE *xmon_stdout;
int
xmon_putc(int c, void *f)
{
char ch = c;
if (c == '\n')
xmon_putc('\r', f);
return xmon_write(f, &ch, 1) == 1? c: -1;
}
int
xmon_putchar(int c)
{
return xmon_putc(c, xmon_stdout);
}
int
xmon_fputs(char *str, void *f)
{
int n = strlen(str);
return xmon_write(f, str, n) == n? 0: -1;
}
int
xmon_readchar(void)
{
char ch;
for (;;) {
switch (xmon_read(xmon_stdin, &ch, 1)) {
case 1:
return ch;
case -1:
xmon_printf("read(stdin) returned -1\r\n", 0, 0);
return -1;
}
}
}
static char line[256];
static char *lineptr;
static int lineleft;
int
xmon_getchar(void)
{
int c;
if (lineleft == 0) {
lineptr = line;
for (;;) {
c = xmon_readchar();
if (c == -1 || c == 4)
break;
if (c == '\r' || c == '\n') {
*lineptr++ = '\n';
xmon_putchar('\n');
break;
}
switch (c) {
case 0177:
case '\b':
if (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
case 'U' & 0x1F:
while (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
default:
if (lineptr >= &line[sizeof(line) - 1])
xmon_putchar('\a');
else {
xmon_putchar(c);
*lineptr++ = c;
}
}
}
lineleft = lineptr - line;
lineptr = line;
}
if (lineleft == 0)
return -1;
--lineleft;
return *lineptr++;
}
char *
xmon_fgets(char *str, int nb, void *f)
{
char *p;
int c;
for (p = str; p < str + nb - 1; ) {
c = xmon_getchar();
if (c == -1) {
if (p == str)
return NULL;
break;
}
*p++ = c;
if (c == '\n')
break;
}
*p = 0;
return str;
}
arch/powerpc/xmon/start_8xx.c
View file @ 3ae0af12
......@@ -15,273 +15,30 @@
#include <asm/8xx_immap.h>
#include <asm/mpc8xx.h>
#include <asm/commproc.h>
#include "nonstdio.h"
extern void xmon_printf(const char *fmt, ...);
extern int xmon_8xx_write(char *str, int nb);
extern int xmon_8xx_read_poll(void);
extern int xmon_8xx_read_char(void);
void prom_drawhex(uint);
void prom_drawstring(const char *str);
static int use_screen = 1; /* default */
#define TB_SPEED 25000000
static inline unsigned int readtb(void)
{
unsigned int ret;
asm volatile("mftb %0" : "=r" (ret) :);
return ret;
}
void buf_access(void)
{
}
void
xmon_map_scc(void)
void xmon_map_scc(void)
{
cpmp = (cpm8xx_t *)&(((immap_t *)IMAP_ADDR)->im_cpm);
use_screen = 0;
prom_drawstring("xmon uses serial port\n");
}
static int scc_initialized = 0;
void xmon_init_scc(void);
int
xmon_write(void *handle, void *ptr, int nb)
int xmon_write(void *ptr, int nb)
{
char *p = ptr;
int i, c, ct;
if (!scc_initialized)
xmon_init_scc();
return(xmon_8xx_write(ptr, nb));
}
int xmon_wants_key;
int
xmon_read(void *handle, void *ptr, int nb)
int xmon_readchar(void)
{
char *p = ptr;
int i;
if (!scc_initialized)
xmon_init_scc();
for (i = 0; i < nb; ++i) {
*p++ = xmon_8xx_read_char();
}
return i;
return xmon_8xx_read_char();
}
int
xmon_read_poll(void)
int xmon_read_poll(void)
{
return(xmon_8xx_read_poll());
}
void
xmon_init_scc()
{
scc_initialized = 1;
}
#if 0
extern int (*prom_entry)(void *);
int
xmon_exit(void)
{
struct prom_args {
char *service;
} args;
for (;;) {
args.service = "exit";
(*prom_entry)(&args);
}
}
#endif
void *xmon_stdin;
void *xmon_stdout;
void *xmon_stderr;
void
xmon_init(void)
{
}
int
xmon_putc(int c, void *f)
{
char ch = c;
if (c == '\n')
xmon_putc('\r', f);
return xmon_write(f, &ch, 1) == 1? c: -1;
}
int
xmon_putchar(int c)
{
return xmon_putc(c, xmon_stdout);
}
int
xmon_fputs(char *str, void *f)
{
int n = strlen(str);
return xmon_write(f, str, n) == n? 0: -1;
}
int
xmon_readchar(void)
{
char ch;
for (;;) {
switch (xmon_read(xmon_stdin, &ch, 1)) {
case 1:
return ch;
case -1:
xmon_printf("read(stdin) returned -1\r\n", 0, 0);
return -1;
}
}
}
static char line[256];
static char *lineptr;
static int lineleft;
#if 0
int xmon_expect(const char *str, unsigned int timeout)
{
int c;
unsigned int t0;
timeout *= TB_SPEED;
t0 = readtb();
do {
lineptr = line;
for (;;) {
c = xmon_read_poll();
if (c == -1) {
if (readtb() - 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;
}
#endif
int
xmon_getchar(void)
{
int c;
if (lineleft == 0) {
lineptr = line;
for (;;) {
c = xmon_readchar();
if (c == -1 || c == 4)
break;
if (c == '\r' || c == '\n') {
*lineptr++ = '\n';
xmon_putchar('\n');
break;
}
switch (c) {
case 0177:
case '\b':
if (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
case 'U' & 0x1F:
while (lineptr > line) {
xmon_putchar('\b');
xmon_putchar(' ');
xmon_putchar('\b');
--lineptr;
}
break;
default:
if (lineptr >= &line[sizeof(line) - 1])
xmon_putchar('\a');
else {
xmon_putchar(c);
*lineptr++ = c;
}
}
}
lineleft = lineptr - line;
lineptr = line;
}
if (lineleft == 0)
return -1;
--lineleft;
return *lineptr++;
}
char *
xmon_fgets(char *str, int nb, void *f)
{
char *p;
int c;
for (p = str; p < str + nb - 1; ) {
c = xmon_getchar();
if (c == -1) {
if (p == str)
return 0;
break;
}
*p++ = c;
if (c == '\n')
break;
}
*p = 0;
return str;
}
void
prom_drawhex(uint val)
{
unsigned char buf[10];
int i;
for (i = 7; i >= 0; i--)
{
buf[i] = "0123456789abcdef"[val & 0x0f];
val >>= 4;
}
buf[8] = '\0';
xmon_fputs(buf, xmon_stdout);
}
void
prom_drawstring(const char *str)
{
xmon_fputs(str, xmon_stdout);
}
arch/powerpc/xmon/subr_prf.c deleted 100644 → 0
View file @ 3b44f137
This diff is collapsed.
arch/powerpc/xmon/xmon.c
View file @ 3ae0af12
This diff is collapsed.
arch/ppc/boot/include/of1275.h
View file @ 3ae0af12
......@@ -19,6 +19,9 @@ extern prom_entry of_prom_entry;
/* function declarations */
int call_prom(const char *service, int nargs, int nret, ...);
int call_prom_ret(const char *service, int nargs, int nret,
unsigned int *rets, ...);
void * claim(unsigned int virt, unsigned int size, unsigned int align);
int map(unsigned int phys, unsigned int virt, unsigned int size);
void enter(void);
......
arch/ppc/boot/of1275/Makefile
View file @ 3ae0af12
......@@ -3,4 +3,4 @@
#
lib-y := claim.o enter.o exit.o finddevice.o getprop.o ofinit.o \
ofstdio.o read.o release.o write.o map.o
ofstdio.o read.o release.o write.o map.o call_prom.o
arch/ppc/boot/of1275/call_prom.c 0 → 100644
View file @ 3ae0af12
This diff is collapsed.
arch/ppc/boot/of1275/claim.c
View file @ 3ae0af12
This diff is collapsed.
arch/ppc/boot/of1275/finddevice.c
View file @ 3ae0af12
......@@ -10,22 +10,7 @@
#include "of1275.h"
phandle
finddevice(const char *name)
phandle finddevice(const char *name)
{
struct prom_args {
char *service;
int nargs;
int nret;
const char *devspec;
phandle device;
} args;
args.service = "finddevice";
args.nargs = 1;
args.nret = 1;
args.devspec = name;
args.device = OF_INVALID_HANDLE;
(*of_prom_entry)(&args);
return args.device;
return (phandle) call_prom("finddevice", 1, 1, name);
}
arch/ppc/boot/openfirmware/Makefile
View file @ 3ae0af12
......@@ -80,8 +80,7 @@ $(obj)/note: $(utils)/mknote FORCE
$(call if_changed,mknote)
$(obj)/coffcrt0.o: EXTRA_AFLAGS := -traditional -DXCOFF
$(obj)/crt0.o: EXTRA_AFLAGS := -traditional
$(obj)/coffcrt0.o: EXTRA_AFLAGS := -DXCOFF
targets += coffcrt0.o crt0.o
$(obj)/coffcrt0.o $(obj)/crt0.o: $(common)/crt0.S FORCE
$(call if_changed_dep,as_o_S)
......
arch/ppc/kernel/Makefile
View file @ 3ae0af12
This diff is collapsed.
arch/ppc/kernel/head_booke.h
View file @ 3ae0af12
This diff is collapsed.
arch/ppc/kernel/irq.c deleted 100644 → 0
View file @ 3b44f137
This diff is collapsed.
arch/ppc/kernel/misc.S
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