sh: Fixup cpu_data references for the non-boot CPUs.

There are a lot of bogus cpu_data-> references that only end up working
for the boot CPU, convert these to current_cpu_data to fixup SMP.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

9 files changed, 189 insertions, 178 deletions

diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 6c3c7687e81f..4b339a640b13 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -48,7 +48,7 @@ static void __init cache_init(void)
 {
         unsigned long ccr, flags;
 
-        if (cpu_data->type == CPU_SH_NONE)
+        if (current_cpu_data.type == CPU_SH_NONE)
                 panic("Unknown CPU");
 
         jump_to_P2();
@@ -68,7 +68,7 @@ static void __init cache_init(void)
         if (ccr & CCR_CACHE_ENABLE) {
                 unsigned long ways, waysize, addrstart;
 
-                waysize = cpu_data->dcache.sets;
+                waysize = current_cpu_data.dcache.sets;
 
 #ifdef CCR_CACHE_ORA
                 /*
@@ -79,7 +79,7 @@ static void __init cache_init(void)
                         waysize >>= 1;
 #endif
 
-                waysize <<= cpu_data->dcache.entry_shift;
+                waysize <<= current_cpu_data.dcache.entry_shift;
 
 #ifdef CCR_CACHE_EMODE
                 /* If EMODE is not set, we only have 1 way to flush. */
@@ -87,7 +87,7 @@ static void __init cache_init(void)
                         ways = 1;
                 else
 #endif
-                        ways = cpu_data->dcache.ways;
+                        ways = current_cpu_data.dcache.ways;
 
                 addrstart = CACHE_OC_ADDRESS_ARRAY;
                 do {
@@ -95,10 +95,10 @@ static void __init cache_init(void)
 
                         for (addr = addrstart;
                              addr < addrstart + waysize;
-                             addr += cpu_data->dcache.linesz)
+                             addr += current_cpu_data.dcache.linesz)
                                 ctrl_outl(0, addr);
 
-                        addrstart += cpu_data->dcache.way_incr;
+                        addrstart += current_cpu_data.dcache.way_incr;
                 } while (--ways);
         }
 
@@ -110,7 +110,7 @@ static void __init cache_init(void)
 
 #ifdef CCR_CACHE_EMODE
         /* Force EMODE if possible */
-        if (cpu_data->dcache.ways > 1)
+        if (current_cpu_data.dcache.ways > 1)
                 flags |= CCR_CACHE_EMODE;
         else
                 flags &= ~CCR_CACHE_EMODE;
@@ -127,10 +127,10 @@ static void __init cache_init(void)
 #ifdef CONFIG_SH_OCRAM
         /* Turn on OCRAM -- halve the OC */
         flags |= CCR_CACHE_ORA;
-        cpu_data->dcache.sets >>= 1;
+        current_cpu_data.dcache.sets >>= 1;
 
-        cpu_data->dcache.way_size = cpu_data->dcache.sets *
-                                    cpu_data->dcache.linesz;
+        current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets *
+                                    current_cpu_data.dcache.linesz;
 #endif
 
         ctrl_outl(flags, CCR);
@@ -172,7 +172,7 @@ static void __init dsp_init(void)
 
         /* If the DSP bit is still set, this CPU has a DSP */
         if (sr & SR_DSP)
-                cpu_data->flags |= CPU_HAS_DSP;
+                current_cpu_data.flags |= CPU_HAS_DSP;
 
         /* Now that we've determined the DSP status, clear the DSP bit. */
         release_dsp();
@@ -204,18 +204,18 @@ asmlinkage void __init sh_cpu_init(void)
         cache_init();
 
         shm_align_mask = max_t(unsigned long,
-                               cpu_data->dcache.way_size - 1,
+                               current_cpu_data.dcache.way_size - 1,
                                PAGE_SIZE - 1);
 
         /* Disable the FPU */
         if (fpu_disabled) {
                 printk("FPU Disabled\n");
-                cpu_data->flags &= ~CPU_HAS_FPU;
+                current_cpu_data.flags &= ~CPU_HAS_FPU;
                 disable_fpu();
         }
 
         /* FPU initialization */
-        if ((cpu_data->flags & CPU_HAS_FPU)) {
+        if ((current_cpu_data.flags & CPU_HAS_FPU)) {
                 clear_thread_flag(TIF_USEDFPU);
                 clear_used_math();
         }
@@ -233,7 +233,7 @@ asmlinkage void __init sh_cpu_init(void)
         /* Disable the DSP */
         if (dsp_disabled) {
                 printk("DSP Disabled\n");
-                cpu_data->flags &= ~CPU_HAS_DSP;
+                current_cpu_data.flags &= ~CPU_HAS_DSP;
                 release_dsp();
         }
 #endif
diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index ba527d9b5024..108e81b682ed 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -18,27 +18,27 @@
 int __init detect_cpu_and_cache_system(void)
 {
 #if defined(CONFIG_CPU_SUBTYPE_SH7604)
-        cpu_data->type                  = CPU_SH7604;
-        cpu_data->dcache.ways           = 4;
-        cpu_data->dcache.way_incr       = (1<<10);
-        cpu_data->dcache.sets           = 64;
-        cpu_data->dcache.entry_shift    = 4;
-        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
-        cpu_data->dcache.flags          = 0;
+        current_cpu_data.type                   = CPU_SH7604;
+        current_cpu_data.dcache.ways            = 4;
+        current_cpu_data.dcache.way_incr        = (1<<10);
+        current_cpu_data.dcache.sets            = 64;
+        current_cpu_data.dcache.entry_shift     = 4;
+        current_cpu_data.dcache.linesz          = L1_CACHE_BYTES;
+        current_cpu_data.dcache.flags           = 0;
 #elif defined(CONFIG_CPU_SUBTYPE_SH7619)
-        cpu_data->type                  = CPU_SH7619;
-        cpu_data->dcache.ways           = 4;
-        cpu_data->dcache.way_incr       = (1<<12);
-        cpu_data->dcache.sets           = 256;
-        cpu_data->dcache.entry_shift    = 4;
-        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
-        cpu_data->dcache.flags          = 0;
+        current_cpu_data.type                   = CPU_SH7619;
+        current_cpu_data.dcache.ways            = 4;
+        current_cpu_data.dcache.way_incr        = (1<<12);
+        current_cpu_data.dcache.sets            = 256;
+        current_cpu_data.dcache.entry_shift     = 4;
+        current_cpu_data.dcache.linesz          = L1_CACHE_BYTES;
+        current_cpu_data.dcache.flags           = 0;
 #endif
         /*
          * SH-2 doesn't have separate caches
          */
-        cpu_data->dcache.flags |= SH_CACHE_COMBINED;
-        cpu_data->icache = cpu_data->dcache;
+        current_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
+        current_cpu_data.icache = current_cpu_data.dcache;
 
         return 0;
 }
diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c
index 87c6c0542089..426f6db01fc6 100644
--- a/arch/sh/kernel/cpu/sh2a/probe.c
+++ b/arch/sh/kernel/cpu/sh2a/probe.c
@@ -17,14 +17,14 @@
 int __init detect_cpu_and_cache_system(void)
 {
         /* Just SH7206 for now .. */
-        cpu_data->type                  = CPU_SH7206;
+        current_cpu_data.type                   = CPU_SH7206;
 
-        cpu_data->dcache.ways           = 4;
-        cpu_data->dcache.way_incr       = (1 << 11);
-        cpu_data->dcache.sets           = 128;
-        cpu_data->dcache.entry_shift    = 4;
-        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
-        cpu_data->dcache.flags          = 0;
+        current_cpu_data.dcache.ways            = 4;
+        current_cpu_data.dcache.way_incr        = (1 << 11);
+        current_cpu_data.dcache.sets            = 128;
+        current_cpu_data.dcache.entry_shift     = 4;
+        current_cpu_data.dcache.linesz          = L1_CACHE_BYTES;
+        current_cpu_data.dcache.flags           = 0;
 
         /*
          * The icache is the same as the dcache as far as this setup is
@@ -32,7 +32,7 @@ int __init detect_cpu_and_cache_system(void)
          * lacks the U bit that the dcache has, none of this has any bearing
          * on the cache info.
          */
-        cpu_data->icache                = cpu_data->dcache;
+        current_cpu_data.icache         = current_cpu_data.dcache;
 
         return 0;
 }
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index e67098836290..821b0ab7b528 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -50,41 +50,41 @@ int __init detect_cpu_and_cache_system(void)
 
         back_to_P1();
 
-        cpu_data->dcache.ways           = 4;
-        cpu_data->dcache.entry_shift    = 4;
-        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
-        cpu_data->dcache.flags          = 0;
+        current_cpu_data.dcache.ways            = 4;
+        current_cpu_data.dcache.entry_shift     = 4;
+        current_cpu_data.dcache.linesz          = L1_CACHE_BYTES;
+        current_cpu_data.dcache.flags           = 0;
 
         /*
          * 7709A/7729 has 16K cache (256-entry), while 7702 has only
          * 2K(direct) 7702 is not supported (yet)
          */
         if (data0 == data1 && data2 == data3) { /* Shadow */
-                cpu_data->dcache.way_incr       = (1 << 11);
-                cpu_data->dcache.entry_mask     = 0x7f0;
-                cpu_data->dcache.sets           = 128;
-                cpu_data->type = CPU_SH7708;
+                current_cpu_data.dcache.way_incr        = (1 << 11);
+                current_cpu_data.dcache.entry_mask      = 0x7f0;
+                current_cpu_data.dcache.sets            = 128;
+                current_cpu_data.type = CPU_SH7708;
 
-                cpu_data->flags |= CPU_HAS_MMU_PAGE_ASSOC;
+                current_cpu_data.flags |= CPU_HAS_MMU_PAGE_ASSOC;
         } else {                                /* 7709A or 7729  */
-                cpu_data->dcache.way_incr       = (1 << 12);
-                cpu_data->dcache.entry_mask     = 0xff0;
-                cpu_data->dcache.sets           = 256;
-                cpu_data->type = CPU_SH7729;
+                current_cpu_data.dcache.way_incr        = (1 << 12);
+                current_cpu_data.dcache.entry_mask      = 0xff0;
+                current_cpu_data.dcache.sets            = 256;
+                current_cpu_data.type = CPU_SH7729;
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7706)
-                cpu_data->type = CPU_SH7706;
+                current_cpu_data.type = CPU_SH7706;
 #endif
 #if defined(CONFIG_CPU_SUBTYPE_SH7710)
-                cpu_data->type = CPU_SH7710;
+                current_cpu_data.type = CPU_SH7710;
 #endif
 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
-                cpu_data->type = CPU_SH7705;
+                current_cpu_data.type = CPU_SH7705;
 
 #if defined(CONFIG_SH7705_CACHE_32KB)
-                cpu_data->dcache.way_incr       = (1 << 13);
-                cpu_data->dcache.entry_mask     = 0x1ff0;
-                cpu_data->dcache.sets           = 512;
+                current_cpu_data.dcache.way_incr        = (1 << 13);
+                current_cpu_data.dcache.entry_mask      = 0x1ff0;
+                current_cpu_data.dcache.sets            = 512;
                 ctrl_outl(CCR_CACHE_32KB, CCR3);
 #else
                 ctrl_outl(CCR_CACHE_16KB, CCR3);
@@ -95,8 +95,8 @@ int __init detect_cpu_and_cache_system(void)
         /*
          * SH-3 doesn't have separate caches
          */
-        cpu_data->dcache.flags |= SH_CACHE_COMBINED;
-        cpu_data->icache = cpu_data->dcache;
+        current_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
+        current_cpu_data.icache = current_cpu_data.dcache;
 
         return 0;
 }
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index b26e2bc5894d..9d28c88d2f9d 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -10,11 +10,10 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
-
 #include <linux/init.h>
+#include <linux/io.h>
 #include <asm/processor.h>
 #include <asm/cache.h>
-#include <asm/io.h>
 
 int __init detect_cpu_and_cache_system(void)
 {
@@ -36,20 +35,20 @@ int __init detect_cpu_and_cache_system(void)
         /*
          * Setup some sane SH-4 defaults for the icache
          */
-        cpu_data->icache.way_incr       = (1 << 13);
-        cpu_data->icache.entry_shift    = 5;
-        cpu_data->icache.sets           = 256;
-        cpu_data->icache.ways           = 1;
-        cpu_data->icache.linesz         = L1_CACHE_BYTES;
+        current_cpu_data.icache.way_incr        = (1 << 13);
+        current_cpu_data.icache.entry_shift     = 5;
+        current_cpu_data.icache.sets            = 256;
+        current_cpu_data.icache.ways            = 1;
+        current_cpu_data.icache.linesz          = L1_CACHE_BYTES;
 
         /*
          * And again for the dcache ..
          */
-        cpu_data->dcache.way_incr       = (1 << 14);
-        cpu_data->dcache.entry_shift    = 5;
-        cpu_data->dcache.sets           = 512;
-        cpu_data->dcache.ways           = 1;
-        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
+        current_cpu_data.dcache.way_incr        = (1 << 14);
+        current_cpu_data.dcache.entry_shift     = 5;
+        current_cpu_data.dcache.sets            = 512;
+        current_cpu_data.dcache.ways            = 1;
+        current_cpu_data.dcache.linesz          = L1_CACHE_BYTES;
 
         /*
          * Setup some generic flags we can probe
@@ -57,16 +56,16 @@ int __init detect_cpu_and_cache_system(void)
          */
         if (((pvr >> 16) & 0xff) == 0x10) {
                 if ((cvr & 0x02000000) == 0)
-                        cpu_data->flags |= CPU_HAS_L2_CACHE;
+                        current_cpu_data.flags |= CPU_HAS_L2_CACHE;
                 if ((cvr & 0x10000000) == 0)
-                        cpu_data->flags |= CPU_HAS_DSP;
+                        current_cpu_data.flags |= CPU_HAS_DSP;
 
-                cpu_data->flags |= CPU_HAS_LLSC;
+                current_cpu_data.flags |= CPU_HAS_LLSC;
         }
 
         /* FPU detection works for everyone */
         if ((cvr & 0x20000000) == 1)
-                cpu_data->flags |= CPU_HAS_FPU;
+                current_cpu_data.flags |= CPU_HAS_FPU;
 
         /* Mask off the upper chip ID */
         pvr &= 0xffff;
@@ -77,147 +76,151 @@ int __init detect_cpu_and_cache_system(void)
          */
         switch (pvr) {
         case 0x205:
-                cpu_data->type = CPU_SH7750;
-                cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
+                current_cpu_data.type = CPU_SH7750;
+                current_cpu_data.flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
                                    CPU_HAS_PERF_COUNTER;
                 break;
         case 0x206:
-                cpu_data->type = CPU_SH7750S;
-                cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
+                current_cpu_data.type = CPU_SH7750S;
+                current_cpu_data.flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
                                    CPU_HAS_PERF_COUNTER;
                 break;
         case 0x1100:
-                cpu_data->type = CPU_SH7751;
-                cpu_data->flags |= CPU_HAS_FPU;
+                current_cpu_data.type = CPU_SH7751;
+                current_cpu_data.flags |= CPU_HAS_FPU;
                 break;
         case 0x2000:
-                cpu_data->type = CPU_SH73180;
-                cpu_data->icache.ways = 4;
-                cpu_data->dcache.ways = 4;
-                cpu_data->flags |= CPU_HAS_LLSC;
+                current_cpu_data.type = CPU_SH73180;
+                current_cpu_data.icache.ways = 4;
+                current_cpu_data.dcache.ways = 4;
+                current_cpu_data.flags |= CPU_HAS_LLSC;
                 break;
         case 0x2001:
         case 0x2004:
-                cpu_data->type = CPU_SH7770;
-                cpu_data->icache.ways = 4;
-                cpu_data->dcache.ways = 4;
+                current_cpu_data.type = CPU_SH7770;
+                current_cpu_data.icache.ways = 4;
+                current_cpu_data.dcache.ways = 4;
 
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_LLSC;
+                current_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_LLSC;
                 break;
         case 0x2006:
         case 0x200A:
                 if (prr == 0x61)
-                        cpu_data->type = CPU_SH7781;
+                        current_cpu_data.type = CPU_SH7781;
                 else
-                        cpu_data->type = CPU_SH7780;
+                        current_cpu_data.type = CPU_SH7780;
 
-                cpu_data->icache.ways = 4;
-                cpu_data->dcache.ways = 4;
+                current_cpu_data.icache.ways = 4;
+                current_cpu_data.dcache.ways = 4;
 
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+                current_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
                                    CPU_HAS_LLSC;
                 break;
         case 0x3000:
         case 0x3003:
         case 0x3009:
-                cpu_data->type = CPU_SH7343;
-                cpu_data->icache.ways = 4;
-                cpu_data->dcache.ways = 4;
-                cpu_data->flags |= CPU_HAS_LLSC;
+                current_cpu_data.type = CPU_SH7343;
+                current_cpu_data.icache.ways = 4;
+                current_cpu_data.dcache.ways = 4;
+                current_cpu_data.flags |= CPU_HAS_LLSC;
                 break;
         case 0x3008:
                 if (prr == 0xa0) {
-                        cpu_data->type = CPU_SH7722;
-                        cpu_data->icache.ways = 4;
-                        cpu_data->dcache.ways = 4;
-                        cpu_data->flags |= CPU_HAS_LLSC;
+                        current_cpu_data.type = CPU_SH7722;
+                        current_cpu_data.icache.ways = 4;
+                        current_cpu_data.dcache.ways = 4;
+                        current_cpu_data.flags |= CPU_HAS_LLSC;
                 }
                 break;
         case 0x8000:
-                cpu_data->type = CPU_ST40RA;
-                cpu_data->flags |= CPU_HAS_FPU;
+                current_cpu_data.type = CPU_ST40RA;
+                current_cpu_data.flags |= CPU_HAS_FPU;
                 break;
         case 0x8100:
-                cpu_data->type = CPU_ST40GX1;
-                cpu_data->flags |= CPU_HAS_FPU;
+                current_cpu_data.type = CPU_ST40GX1;
+                current_cpu_data.flags |= CPU_HAS_FPU;
                 break;
         case 0x700:
-                cpu_data->type = CPU_SH4_501;
-                cpu_data->icache.ways = 2;
-                cpu_data->dcache.ways = 2;
+                current_cpu_data.type = CPU_SH4_501;
+                current_cpu_data.icache.ways = 2;
+                current_cpu_data.dcache.ways = 2;
                 break;
         case 0x600:
-                cpu_data->type = CPU_SH4_202;
-                cpu_data->icache.ways = 2;
-                cpu_data->dcache.ways = 2;
-                cpu_data->flags |= CPU_HAS_FPU;
+                current_cpu_data.type = CPU_SH4_202;
+                current_cpu_data.icache.ways = 2;
+                current_cpu_data.dcache.ways = 2;
+                current_cpu_data.flags |= CPU_HAS_FPU;
                 break;
         case 0x500 ... 0x501:
                 switch (prr) {
                 case 0x10:
-                        cpu_data->type = CPU_SH7750R;
+                        current_cpu_data.type = CPU_SH7750R;
                         break;
                 case 0x11:
-                        cpu_data->type = CPU_SH7751R;
+                        current_cpu_data.type = CPU_SH7751R;
                         break;
                 case 0x50 ... 0x5f:
-                        cpu_data->type = CPU_SH7760;
+                        current_cpu_data.type = CPU_SH7760;
                         break;
                 }
 
-                cpu_data->icache.ways = 2;
-                cpu_data->dcache.ways = 2;
+                current_cpu_data.icache.ways = 2;
+                current_cpu_data.dcache.ways = 2;
 
-                cpu_data->flags |= CPU_HAS_FPU;
+                current_cpu_data.flags |= CPU_HAS_FPU;
 
                 break;
         default:
-                cpu_data->type = CPU_SH_NONE;
+                current_cpu_data.type = CPU_SH_NONE;
                 break;
         }
 
 #ifdef CONFIG_SH_DIRECT_MAPPED
-        cpu_data->icache.ways = 1;
-        cpu_data->dcache.ways = 1;
+        current_cpu_data.icache.ways = 1;
+        current_cpu_data.dcache.ways = 1;
+#endif
+
+#ifdef CONFIG_CPU_HAS_PTEA
+        current_cpu_data.flags |= CPU_HAS_PTEA;
 #endif
 
         /*
          * On anything that's not a direct-mapped cache, look to the CVR
          * for I/D-cache specifics.
          */
-        if (cpu_data->icache.ways > 1) {
+        if (current_cpu_data.icache.ways > 1) {
                 size = sizes[(cvr >> 20) & 0xf];
-                cpu_data->icache.way_incr       = (size >> 1);
-                cpu_data->icache.sets           = (size >> 6);
+                current_cpu_data.icache.way_incr        = (size >> 1);
+                current_cpu_data.icache.sets            = (size >> 6);
 
         }
 
         /* Setup the rest of the I-cache info */
-        cpu_data->icache.entry_mask = cpu_data->icache.way_incr -
-                                      cpu_data->icache.linesz;
+        current_cpu_data.icache.entry_mask = current_cpu_data.icache.way_incr -
+                                      current_cpu_data.icache.linesz;
 
-        cpu_data->icache.way_size = cpu_data->icache.sets *
-                                    cpu_data->icache.linesz;
+        current_cpu_data.icache.way_size = current_cpu_data.icache.sets *
+                                    current_cpu_data.icache.linesz;
 
         /* And the rest of the D-cache */
-        if (cpu_data->dcache.ways > 1) {
+        if (current_cpu_data.dcache.ways > 1) {
                 size = sizes[(cvr >> 16) & 0xf];
-                cpu_data->dcache.way_incr       = (size >> 1);
-                cpu_data->dcache.sets           = (size >> 6);
+                current_cpu_data.dcache.way_incr        = (size >> 1);
+                current_cpu_data.dcache.sets            = (size >> 6);
         }
 
-        cpu_data->dcache.entry_mask = cpu_data->dcache.way_incr -
-                                      cpu_data->dcache.linesz;
+        current_cpu_data.dcache.entry_mask = current_cpu_data.dcache.way_incr -
+                                      current_cpu_data.dcache.linesz;
 
-        cpu_data->dcache.way_size = cpu_data->dcache.sets *
-                                    cpu_data->dcache.linesz;
+        current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets *
+                                    current_cpu_data.dcache.linesz;
 
         /*
          * Setup the L2 cache desc
          *
          * SH-4A's have an optional PIPT L2.
          */
-        if (cpu_data->flags & CPU_HAS_L2_CACHE) {
+        if (current_cpu_data.flags & CPU_HAS_L2_CACHE) {
                 /*
                  * Size calculation is much more sensible
                  * than it is for the L1.
@@ -228,16 +231,22 @@ int __init detect_cpu_and_cache_system(void)
 
                 BUG_ON(!size);
 
-                cpu_data->scache.way_incr       = (1 << 16);
-                cpu_data->scache.entry_shift    = 5;
-                cpu_data->scache.ways           = 4;
-                cpu_data->scache.linesz         = L1_CACHE_BYTES;
-                cpu_data->scache.entry_mask     =
-                        (cpu_data->scache.way_incr - cpu_data->scache.linesz);
-                cpu_data->scache.sets           = size /
-                        (cpu_data->scache.linesz * cpu_data->scache.ways);
-                cpu_data->scache.way_size       =
-                        (cpu_data->scache.sets * cpu_data->scache.linesz);
+                current_cpu_data.scache.way_incr        = (1 << 16);
+                current_cpu_data.scache.entry_shift     = 5;
+                current_cpu_data.scache.ways            = 4;
+                current_cpu_data.scache.linesz          = L1_CACHE_BYTES;
+
+                current_cpu_data.scache.entry_mask      =
+                        (current_cpu_data.scache.way_incr -
+                         current_cpu_data.scache.linesz);
+
+                current_cpu_data.scache.sets            = size /
+                        (current_cpu_data.scache.linesz *
+                         current_cpu_data.scache.ways);
+
+                current_cpu_data.scache.way_size        =
+                        (current_cpu_data.scache.sets *
+                         current_cpu_data.scache.linesz);
         }
 
         return 0;
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 0298f0faa6e6..9d6a438b3eaf 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -293,13 +293,14 @@ static void ubc_set_tracing(int asid, unsigned long pc)
 
 #ifdef CONFIG_MMU
         /* We don't have any ASID settings for the SH-2! */
-        if (cpu_data->type != CPU_SH7604)
+        if (current_cpu_data.type != CPU_SH7604)
                 ctrl_outb(asid, UBC_BASRA);
 #endif
 
         ctrl_outl(0, UBC_BAMRA);
 
-        if (cpu_data->type == CPU_SH7729 || cpu_data->type == CPU_SH7710) {
+        if (current_cpu_data.type == CPU_SH7729 ||
+            current_cpu_data.type == CPU_SH7710) {
                 ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA);
                 ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR);
         } else {
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index d6b817aa568f..98802ab28211 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -1,14 +1,11 @@
 /*
- *  linux/arch/sh/kernel/setup.c
+ * arch/sh/kernel/setup.c
  *
- *  Copyright (C) 1999  Niibe Yutaka
- *  Copyright (C) 2002, 2003  Paul Mundt
- */
-
-/*
  * This file handles the architecture-dependent parts of initialization
+ *
+ *  Copyright (C) 1999  Niibe Yutaka
+ *  Copyright (C) 2002 - 2006 Paul Mundt
  */
-
 #include <linux/screen_info.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
@@ -395,9 +392,9 @@ static const char *cpu_name[] = {
         [CPU_SH_NONE]   = "Unknown"
 };
 
-const char *get_cpu_subtype(void)
+const char *get_cpu_subtype(struct sh_cpuinfo *c)
 {
-        return cpu_name[boot_cpu_data.type];
+        return cpu_name[c->type];
 }
 
 #ifdef CONFIG_PROC_FS
@@ -407,19 +404,19 @@ static const char *cpu_flags[] = {
         "ptea", "llsc", "l2", NULL
 };
 
-static void show_cpuflags(struct seq_file *m)
+static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c)
 {
         unsigned long i;
 
         seq_printf(m, "cpu flags\t:");
 
-        if (!cpu_data->flags) {
+        if (!c->flags) {
                 seq_printf(m, " %s\n", cpu_flags[0]);
                 return;
         }
 
         for (i = 0; cpu_flags[i]; i++)
-                if ((cpu_data->flags & (1 << i)))
+                if ((c->flags & (1 << i)))
                         seq_printf(m, " %s", cpu_flags[i+1]);
 
         seq_printf(m, "\n");
@@ -441,16 +438,20 @@ static void show_cacheinfo(struct seq_file *m, const char *type,
  */
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
-        unsigned int cpu = smp_processor_id();
+        struct sh_cpuinfo *c = v;
+        unsigned int cpu = c - cpu_data;
+
+        if (!cpu_online(cpu))
+                return 0;
 
-        if (!cpu && cpu_online(cpu))
+        if (cpu == 0)
                 seq_printf(m, "machine\t\t: %s\n", get_system_type());
 
         seq_printf(m, "processor\t: %d\n", cpu);
         seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine);
-        seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype());
+        seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype(c));
 
-        show_cpuflags(m);
+        show_cpuflags(m, c);
 
         seq_printf(m, "cache type\t: ");
 
@@ -459,22 +460,22 @@ static int show_cpuinfo(struct seq_file *m, void *v)
          * unified cache on the SH-2 and SH-3, as well as the harvard
          * style cache on the SH-4.
          */
-        if (boot_cpu_data.icache.flags & SH_CACHE_COMBINED) {
+        if (c->icache.flags & SH_CACHE_COMBINED) {
                 seq_printf(m, "unified\n");
-                show_cacheinfo(m, "cache", boot_cpu_data.icache);
+                show_cacheinfo(m, "cache", c->icache);
         } else {
                 seq_printf(m, "split (harvard)\n");
-                show_cacheinfo(m, "icache", boot_cpu_data.icache);
-                show_cacheinfo(m, "dcache", boot_cpu_data.dcache);
+                show_cacheinfo(m, "icache", c->icache);
+                show_cacheinfo(m, "dcache", c->dcache);
         }
 
         /* Optional secondary cache */
-        if (boot_cpu_data.flags & CPU_HAS_L2_CACHE)
-                show_cacheinfo(m, "scache", boot_cpu_data.scache);
+        if (c->flags & CPU_HAS_L2_CACHE)
+                show_cacheinfo(m, "scache", c->scache);
 
         seq_printf(m, "bogomips\t: %lu.%02lu\n",
-                     boot_cpu_data.loops_per_jiffy/(500000/HZ),
-                     (boot_cpu_data.loops_per_jiffy/(5000/HZ)) % 100);
+                     c->loops_per_jiffy/(500000/HZ),
+                     (c->loops_per_jiffy/(5000/HZ)) % 100);
 
         return show_clocks(m);
 }
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index 379c88bf5d9a..32f10a03fbb5 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -127,7 +127,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc)
 {
         struct task_struct *tsk = current;
 
-        if (!(cpu_data->flags & CPU_HAS_FPU))
+        if (!(current_cpu_data.flags & CPU_HAS_FPU))
                 return 0;
 
         set_used_math();
@@ -140,7 +140,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc,
 {
         struct task_struct *tsk = current;
 
-        if (!(cpu_data->flags & CPU_HAS_FPU))
+        if (!(current_cpu_data.flags & CPU_HAS_FPU))
                 return 0;
 
         if (!used_math()) {
@@ -181,7 +181,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p
 #undef COPY
 
 #ifdef CONFIG_SH_FPU
-        if (cpu_data->flags & CPU_HAS_FPU) {
+        if (current_cpu_data.flags & CPU_HAS_FPU) {
                 int owned_fp;
                 struct task_struct *tsk = current;
 
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index e91224faf6c4..e9f168f60f95 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -641,7 +641,7 @@ int is_dsp_inst(struct pt_regs *regs)
          * Safe guard if DSP mode is already enabled or we're lacking
          * the DSP altogether.
          */
-        if (!(cpu_data->flags & CPU_HAS_DSP) || (regs->sr & SR_DSP))
+        if (!(current_cpu_data.flags & CPU_HAS_DSP) || (regs->sr & SR_DSP))
                 return 0;
 
         get_user(inst, ((unsigned short *) regs->pc));