summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/powerpc/kernel/head.S6
-rw-r--r--arch/powerpc/oprofile/common.c6
-rw-r--r--arch/powerpc/platforms/powermac/pmac_setup.c2
-rw-r--r--arch/ppc/kernel/cpu_setup_6xx.S2
-rw-r--r--arch/ppc/kernel/cpu_setup_power4.S2
-rw-r--r--arch/ppc/kernel/cputable.c33
-rw-r--r--arch/ppc/kernel/head.S6
-rw-r--r--arch/ppc/kernel/misc.S22
-rw-r--r--arch/ppc/kernel/setup.c14
-rw-r--r--arch/ppc/platforms/4xx/ebony.c2
-rw-r--r--arch/ppc/platforms/pmac_setup.c2
-rw-r--r--arch/ppc/platforms/radstone_ppc7d.c8
-rw-r--r--arch/ppc/syslib/ibm440gx_common.c6
-rw-r--r--include/asm-powerpc/cputable.h16
-rw-r--r--include/asm-powerpc/elf.h4
15 files changed, 43 insertions, 88 deletions
diff --git a/arch/powerpc/kernel/head.S b/arch/powerpc/kernel/head.S
index d05509f197d0..8cdac7385e7f 100644
--- a/arch/powerpc/kernel/head.S
+++ b/arch/powerpc/kernel/head.S
@@ -1059,7 +1059,6 @@ __secondary_start:
lis r3,-KERNELBASE@h
mr r4,r24
- bl identify_cpu
bl call_setup_cpu /* Call setup_cpu for this CPU */
#ifdef CONFIG_6xx
lis r3,-KERNELBASE@h
@@ -1109,11 +1108,6 @@ __secondary_start:
* Those generic dummy functions are kept for CPUs not
* included in CONFIG_6xx
*/
-_GLOBAL(__setup_cpu_power3)
- blr
-_GLOBAL(__setup_cpu_generic)
- blr
-
#if !defined(CONFIG_6xx) && !defined(CONFIG_POWER4)
_GLOBAL(__save_cpu_setup)
blr
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index 88b4118fd0c5..0ec12c8f2c01 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -155,8 +155,6 @@ static int op_powerpc_create_files(struct super_block *sb, struct dentry *root)
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
#ifndef __powerpc64__
- int cpu_id = smp_processor_id();
-
#ifdef CONFIG_FSL_BOOKE
model = &op_model_fsl_booke;
#else
@@ -167,9 +165,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
if (NULL == cpu_type)
return -ENOMEM;
- sprintf(cpu_type, "ppc/%s", cur_cpu_spec[cpu_id]->cpu_name);
+ sprintf(cpu_type, "ppc/%s", cur_cpu_spec->cpu_name);
- model->num_counters = cur_cpu_spec[cpu_id]->num_pmcs;
+ model->num_counters = cur_cpu_spec->num_pmcs;
ops->cpu_type = cpu_type;
#else /* __powerpc64__ */
diff --git a/arch/powerpc/platforms/powermac/pmac_setup.c b/arch/powerpc/platforms/powermac/pmac_setup.c
index dbc921a084cd..3667e0b2b8e3 100644
--- a/arch/powerpc/platforms/powermac/pmac_setup.c
+++ b/arch/powerpc/platforms/powermac/pmac_setup.c
@@ -445,7 +445,7 @@ static int pmac_pm_enter(suspend_state_t state)
enable_kernel_fp();
#ifdef CONFIG_ALTIVEC
- if (cur_cpu_spec[0]->cpu_features & CPU_FTR_ALTIVEC)
+ if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
enable_kernel_altivec();
#endif /* CONFIG_ALTIVEC */
diff --git a/arch/ppc/kernel/cpu_setup_6xx.S b/arch/ppc/kernel/cpu_setup_6xx.S
index ba396438ede3..a5333c07fc3c 100644
--- a/arch/ppc/kernel/cpu_setup_6xx.S
+++ b/arch/ppc/kernel/cpu_setup_6xx.S
@@ -17,8 +17,6 @@
#include <asm/asm-offsets.h>
#include <asm/cache.h>
-_GLOBAL(__setup_cpu_601)
- blr
_GLOBAL(__setup_cpu_603)
b setup_common_caches
_GLOBAL(__setup_cpu_604)
diff --git a/arch/ppc/kernel/cpu_setup_power4.S b/arch/ppc/kernel/cpu_setup_power4.S
index 7e4fbb653724..0abb5f25b2ca 100644
--- a/arch/ppc/kernel/cpu_setup_power4.S
+++ b/arch/ppc/kernel/cpu_setup_power4.S
@@ -63,8 +63,6 @@ _GLOBAL(__970_cpu_preinit)
isync
blr
-_GLOBAL(__setup_cpu_power4)
- blr
_GLOBAL(__setup_cpu_ppc970)
mfspr r0,SPRN_HID0
li r11,5 /* clear DOZE and SLEEP */
diff --git a/arch/ppc/kernel/cputable.c b/arch/ppc/kernel/cputable.c
index 97663d5d96ca..207d4dd059d9 100644
--- a/arch/ppc/kernel/cputable.c
+++ b/arch/ppc/kernel/cputable.c
@@ -14,23 +14,22 @@
#include <linux/sched.h>
#include <linux/threads.h>
#include <linux/init.h>
+#include <linux/module.h>
+
+#include <asm/oprofile_impl.h>
#include <asm/cputable.h>
-struct cpu_spec* cur_cpu_spec[NR_CPUS];
+struct cpu_spec* cur_cpu_spec = NULL;
-extern void __setup_cpu_601(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_603(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_604(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_750(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_750cx(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_750fx(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_7400(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_7410(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_745x(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_power3(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_power4(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_ppc970(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-extern void __setup_cpu_generic(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
+extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_750cx(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_750fx(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_7400(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_7410(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_745x(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
#define CLASSIC_PPC (!defined(CONFIG_8xx) && !defined(CONFIG_4xx) && \
!defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
@@ -62,7 +61,6 @@ struct cpu_spec cpu_specs[] = {
PPC_FEATURE_UNIFIED_CACHE,
.icache_bsize = 32,
.dcache_bsize = 32,
- .cpu_setup = __setup_cpu_601
},
{ /* 603 */
.pvr_mask = 0xffff0000,
@@ -451,7 +449,6 @@ struct cpu_spec cpu_specs[] = {
.cpu_user_features = COMMON_PPC,
.icache_bsize = 32,
.dcache_bsize = 32,
- .cpu_setup = __setup_cpu_generic
},
#endif /* CLASSIC_PPC */
#ifdef CONFIG_PPC64BRIDGE
@@ -464,7 +461,6 @@ struct cpu_spec cpu_specs[] = {
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
- .cpu_setup = __setup_cpu_power3
},
{ /* Power3+ */
.pvr_mask = 0xffff0000,
@@ -475,7 +471,6 @@ struct cpu_spec cpu_specs[] = {
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
- .cpu_setup = __setup_cpu_power3
},
{ /* I-star */
.pvr_mask = 0xffff0000,
@@ -486,7 +481,6 @@ struct cpu_spec cpu_specs[] = {
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
- .cpu_setup = __setup_cpu_power3
},
{ /* S-star */
.pvr_mask = 0xffff0000,
@@ -497,7 +491,6 @@ struct cpu_spec cpu_specs[] = {
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
- .cpu_setup = __setup_cpu_power3
},
#endif /* CONFIG_PPC64BRIDGE */
#ifdef CONFIG_POWER4
diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index d05509f197d0..8cdac7385e7f 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -1059,7 +1059,6 @@ __secondary_start:
lis r3,-KERNELBASE@h
mr r4,r24
- bl identify_cpu
bl call_setup_cpu /* Call setup_cpu for this CPU */
#ifdef CONFIG_6xx
lis r3,-KERNELBASE@h
@@ -1109,11 +1108,6 @@ __secondary_start:
* Those generic dummy functions are kept for CPUs not
* included in CONFIG_6xx
*/
-_GLOBAL(__setup_cpu_power3)
- blr
-_GLOBAL(__setup_cpu_generic)
- blr
-
#if !defined(CONFIG_6xx) && !defined(CONFIG_POWER4)
_GLOBAL(__save_cpu_setup)
blr
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index 9d2cb79475c6..2b9a16274b0b 100644
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -125,9 +125,8 @@ _GLOBAL(identify_cpu)
1:
addis r6,r3,cur_cpu_spec@ha
addi r6,r6,cur_cpu_spec@l
- slwi r4,r4,2
sub r8,r8,r3
- stwx r8,r4,r6
+ stw r8,0(r6)
blr
/*
@@ -186,19 +185,18 @@ _GLOBAL(do_cpu_ftr_fixups)
*
* Setup function is called with:
* r3 = data offset
- * r4 = CPU number
- * r5 = ptr to CPU spec (relocated)
+ * r4 = ptr to CPU spec (relocated)
*/
_GLOBAL(call_setup_cpu)
- addis r5,r3,cur_cpu_spec@ha
- addi r5,r5,cur_cpu_spec@l
- slwi r4,r24,2
- lwzx r5,r4,r5
+ addis r4,r3,cur_cpu_spec@ha
+ addi r4,r4,cur_cpu_spec@l
+ lwz r4,0(r4)
+ add r4,r4,r3
+ lwz r5,CPU_SPEC_SETUP(r4)
+ cmpi 0,r5,0
add r5,r5,r3
- lwz r6,CPU_SPEC_SETUP(r5)
- add r6,r6,r3
- mtctr r6
- mr r4,r24
+ beqlr
+ mtctr r5
bctr
#if defined(CONFIG_CPU_FREQ_PMAC) && defined(CONFIG_6xx)
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 1b891b806f3d..62022eacf63e 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -188,18 +188,18 @@ int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "processor\t: %d\n", i);
seq_printf(m, "cpu\t\t: ");
- if (cur_cpu_spec[i]->pvr_mask)
- seq_printf(m, "%s", cur_cpu_spec[i]->cpu_name);
+ if (cur_cpu_spec->pvr_mask)
+ seq_printf(m, "%s", cur_cpu_spec->cpu_name);
else
seq_printf(m, "unknown (%08x)", pvr);
#ifdef CONFIG_ALTIVEC
- if (cur_cpu_spec[i]->cpu_features & CPU_FTR_ALTIVEC)
+ if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
seq_printf(m, ", altivec supported");
#endif
seq_printf(m, "\n");
#ifdef CONFIG_TAU
- if (cur_cpu_spec[i]->cpu_features & CPU_FTR_TAU) {
+ if (cur_cpu_spec->cpu_features & CPU_FTR_TAU) {
#ifdef CONFIG_TAU_AVERAGE
/* more straightforward, but potentially misleading */
seq_printf(m, "temperature \t: %u C (uncalibrated)\n",
@@ -754,12 +754,12 @@ void __init setup_arch(char **cmdline_p)
* for a possibly more accurate value.
*/
if (cpu_has_feature(CPU_FTR_SPLIT_ID_CACHE)) {
- dcache_bsize = cur_cpu_spec[0]->dcache_bsize;
- icache_bsize = cur_cpu_spec[0]->icache_bsize;
+ dcache_bsize = cur_cpu_spec->dcache_bsize;
+ icache_bsize = cur_cpu_spec->icache_bsize;
ucache_bsize = 0;
} else
ucache_bsize = dcache_bsize = icache_bsize
- = cur_cpu_spec[0]->dcache_bsize;
+ = cur_cpu_spec->dcache_bsize;
/* reboot on panic */
panic_timeout = 180;
diff --git a/arch/ppc/platforms/4xx/ebony.c b/arch/ppc/platforms/4xx/ebony.c
index d6b2b1965dcb..9decb72e7aaf 100644
--- a/arch/ppc/platforms/4xx/ebony.c
+++ b/arch/ppc/platforms/4xx/ebony.c
@@ -91,7 +91,7 @@ ebony_calibrate_decr(void)
* on Rev. C silicon then errata forces us to
* use the internal clock.
*/
- if (strcmp(cur_cpu_spec[0]->cpu_name, "440GP Rev. B") == 0)
+ if (strcmp(cur_cpu_spec->cpu_name, "440GP Rev. B") == 0)
freq = EBONY_440GP_RB_SYSCLK;
else
freq = EBONY_440GP_RC_SYSCLK;
diff --git a/arch/ppc/platforms/pmac_setup.c b/arch/ppc/platforms/pmac_setup.c
index 1ad779ecc8fc..e6a12182bfbb 100644
--- a/arch/ppc/platforms/pmac_setup.c
+++ b/arch/ppc/platforms/pmac_setup.c
@@ -448,7 +448,7 @@ static int pmac_pm_enter(suspend_state_t state)
enable_kernel_fp();
#ifdef CONFIG_ALTIVEC
- if (cur_cpu_spec[0]->cpu_features & CPU_FTR_ALTIVEC)
+ if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
enable_kernel_altivec();
#endif /* CONFIG_ALTIVEC */
diff --git a/arch/ppc/platforms/radstone_ppc7d.c b/arch/ppc/platforms/radstone_ppc7d.c
index c30607a972d8..06ec30f7e2f4 100644
--- a/arch/ppc/platforms/radstone_ppc7d.c
+++ b/arch/ppc/platforms/radstone_ppc7d.c
@@ -1185,18 +1185,18 @@ static void __init ppc7d_setup_arch(void)
ROOT_DEV = Root_HDA1;
#endif
- if ((cur_cpu_spec[0]->cpu_features & CPU_FTR_SPEC7450) ||
- (cur_cpu_spec[0]->cpu_features & CPU_FTR_L3CR))
+ if ((cur_cpu_spec->cpu_features & CPU_FTR_SPEC7450) ||
+ (cur_cpu_spec->cpu_features & CPU_FTR_L3CR))
/* 745x is different. We only want to pass along enable. */
_set_L2CR(L2CR_L2E);
- else if (cur_cpu_spec[0]->cpu_features & CPU_FTR_L2CR)
+ else if (cur_cpu_spec->cpu_features & CPU_FTR_L2CR)
/* All modules have 1MB of L2. We also assume that an
* L2 divisor of 3 will work.
*/
_set_L2CR(L2CR_L2E | L2CR_L2SIZ_1MB | L2CR_L2CLK_DIV3
| L2CR_L2RAM_PIPE | L2CR_L2OH_1_0 | L2CR_L2DF);
- if (cur_cpu_spec[0]->cpu_features & CPU_FTR_L3CR)
+ if (cur_cpu_spec->cpu_features & CPU_FTR_L3CR)
/* No L3 cache */
_set_L3CR(0);
diff --git a/arch/ppc/syslib/ibm440gx_common.c b/arch/ppc/syslib/ibm440gx_common.c
index 0bb919859b8b..c36db279b43d 100644
--- a/arch/ppc/syslib/ibm440gx_common.c
+++ b/arch/ppc/syslib/ibm440gx_common.c
@@ -236,9 +236,9 @@ void __init ibm440gx_l2c_setup(struct ibm44x_clocks* p)
/* Disable L2C on rev.A, rev.B and 800MHz version of rev.C,
enable it on all other revisions
*/
- if (strcmp(cur_cpu_spec[0]->cpu_name, "440GX Rev. A") == 0 ||
- strcmp(cur_cpu_spec[0]->cpu_name, "440GX Rev. B") == 0
- || (strcmp(cur_cpu_spec[0]->cpu_name, "440GX Rev. C")
+ if (strcmp(cur_cpu_spec->cpu_name, "440GX Rev. A") == 0 ||
+ strcmp(cur_cpu_spec->cpu_name, "440GX Rev. B") == 0
+ || (strcmp(cur_cpu_spec->cpu_name, "440GX Rev. C")
== 0 && p->cpu > 667000000))
ibm440gx_l2c_disable();
else
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 5f81d44963f1..1e50efab091d 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -25,11 +25,7 @@
struct cpu_spec;
struct op_powerpc_model;
-#ifdef __powerpc64__
typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
-#else /* __powerpc64__ */
-typedef void (*cpu_setup_t)(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
-#endif /* __powerpc64__ */
struct cpu_spec {
/* CPU is matched via (PVR & pvr_mask) == pvr_value */
@@ -51,23 +47,15 @@ struct cpu_spec {
* BHT, SPD, etc... from head.S before branching to identify_machine
*/
cpu_setup_t cpu_setup;
-#ifdef __powerpc64__
/* Used by oprofile userspace to select the right counters */
char *oprofile_cpu_type;
/* Processor specific oprofile operations */
struct op_powerpc_model *oprofile_model;
-#endif /* __powerpc64__ */
};
-extern struct cpu_spec cpu_specs[];
-
-#ifdef __powerpc64__
extern struct cpu_spec *cur_cpu_spec;
-#else /* __powerpc64__ */
-extern struct cpu_spec *cur_cpu_spec[];
-#endif /* __powerpc64__ */
#endif /* __ASSEMBLY__ */
@@ -398,11 +386,7 @@ static inline int cpu_has_feature(unsigned long feature)
{
return (CPU_FTRS_ALWAYS & feature) ||
(CPU_FTRS_POSSIBLE
-#ifndef __powerpc64__
- & cur_cpu_spec[0]->cpu_features
-#else
& cur_cpu_spec->cpu_features
-#endif
& feature);
}
diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h
index 36b9d5cec50c..f0a6779fbe52 100644
--- a/include/asm-powerpc/elf.h
+++ b/include/asm-powerpc/elf.h
@@ -212,15 +212,13 @@ extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
/* ELF_HWCAP yields a mask that user programs can use to figure out what
instruction set this cpu supports. This could be done in userspace,
but it's not easy, and we've already done it here. */
-#ifdef __powerpc64__
# define ELF_HWCAP (cur_cpu_spec->cpu_user_features)
+#ifdef __powerpc64__
# define ELF_PLAT_INIT(_r, load_addr) do { \
memset(_r->gpr, 0, sizeof(_r->gpr)); \
_r->ctr = _r->link = _r->xer = _r->ccr = 0; \
_r->gpr[2] = load_addr; \
} while (0)
-#else
-# define ELF_HWCAP (cur_cpu_spec[0]->cpu_user_features)
#endif /* __powerpc64__ */
/* This yields a string that ld.so will use to load implementation
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-07 10:18:44 +0000