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>

20 files changed, 251 insertions, 238 deletions

diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 6c3c7687e81..4b339a640b1 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 ba527d9b502..108e81b682e 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 87c6c054208..426f6db01fc 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 e6709883629..821b0ab7b52 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 b26e2bc5894..9d28c88d2f9 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 0298f0faa6e..9d6a438b3ea 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 d6b817aa568..98802ab2821 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 379c88bf5d9..32f10a03fbb 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 e91224faf6c..e9f168f60f9 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));
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index 909dcfa8c8c..de6d2c9aa47 100644
--- a/arch/sh/mm/cache-debugfs.c
+++ b/arch/sh/mm/cache-debugfs.c
@@ -46,10 +46,10 @@ static int cache_seq_show(struct seq_file *file, void *iter)
 
 	if (cache_type == CACHE_TYPE_DCACHE) {
 		base = CACHE_OC_ADDRESS_ARRAY;
-		cache = &cpu_data->dcache;
+		cache = &current_cpu_data.dcache;
 	} else {
 		base = CACHE_IC_ADDRESS_ARRAY;
-		cache = &cpu_data->icache;
+		cache = &current_cpu_data.icache;
 	}
 
 	/*
diff --git a/arch/sh/mm/cache-sh3.c b/arch/sh/mm/cache-sh3.c
index 838731fc608..6d1dbec08ad 100644
--- a/arch/sh/mm/cache-sh3.c
+++ b/arch/sh/mm/cache-sh3.c
@@ -44,11 +44,11 @@ void __flush_wback_region(void *start, int size)
 
 	for (v = begin; v < end; v+=L1_CACHE_BYTES) {
 		unsigned long addrstart = CACHE_OC_ADDRESS_ARRAY;
-		for (j = 0; j < cpu_data->dcache.ways; j++) {
+		for (j = 0; j < current_cpu_data.dcache.ways; j++) {
 			unsigned long data, addr, p;
 
 			p = __pa(v);
-			addr = addrstart | (v & cpu_data->dcache.entry_mask);
+			addr = addrstart | (v & current_cpu_data.dcache.entry_mask);
 			local_irq_save(flags);
 			data = ctrl_inl(addr);
 
@@ -60,7 +60,7 @@ void __flush_wback_region(void *start, int size)
 				break;
 			}
 			local_irq_restore(flags);
-			addrstart += cpu_data->dcache.way_incr;
+			addrstart += current_cpu_data.dcache.way_incr;
 		}
 	}
 }
@@ -85,7 +85,7 @@ void __flush_purge_region(void *start, int size)
 
 		data = (v & 0xfffffc00); /* _Virtual_ address, ~U, ~V */
 		addr = CACHE_OC_ADDRESS_ARRAY |
-			(v & cpu_data->dcache.entry_mask) | SH_CACHE_ASSOC;
+			(v & current_cpu_data.dcache.entry_mask) | SH_CACHE_ASSOC;
 		ctrl_outl(data, addr);
 	}
 }
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 72bb4877333..e0cd4b7f4ae 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -54,21 +54,21 @@ static void __init emit_cache_params(void)
 		ctrl_inl(CCN_CVR),
 		ctrl_inl(CCN_PRR));
 	printk("I-cache : n_ways=%d n_sets=%d way_incr=%d\n",
-		cpu_data->icache.ways,
-		cpu_data->icache.sets,
-		cpu_data->icache.way_incr);
+		current_cpu_data.icache.ways,
+		current_cpu_data.icache.sets,
+		current_cpu_data.icache.way_incr);
 	printk("I-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
-		cpu_data->icache.entry_mask,
-		cpu_data->icache.alias_mask,
-		cpu_data->icache.n_aliases);
+		current_cpu_data.icache.entry_mask,
+		current_cpu_data.icache.alias_mask,
+		current_cpu_data.icache.n_aliases);
 	printk("D-cache : n_ways=%d n_sets=%d way_incr=%d\n",
-		cpu_data->dcache.ways,
-		cpu_data->dcache.sets,
-		cpu_data->dcache.way_incr);
+		current_cpu_data.dcache.ways,
+		current_cpu_data.dcache.sets,
+		current_cpu_data.dcache.way_incr);
 	printk("D-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
-		cpu_data->dcache.entry_mask,
-		cpu_data->dcache.alias_mask,
-		cpu_data->dcache.n_aliases);
+		current_cpu_data.dcache.entry_mask,
+		current_cpu_data.dcache.alias_mask,
+		current_cpu_data.dcache.n_aliases);
 
 	if (!__flush_dcache_segment_fn)
 		panic("unknown number of cache ways\n");
@@ -87,10 +87,10 @@ void __init p3_cache_init(void)
 {
 	int i;
 
-	compute_alias(&cpu_data->icache);
-	compute_alias(&cpu_data->dcache);
+	compute_alias(&current_cpu_data.icache);
+	compute_alias(&current_cpu_data.dcache);
 
-	switch (cpu_data->dcache.ways) {
+	switch (current_cpu_data.dcache.ways) {
 	case 1:
 		__flush_dcache_segment_fn = __flush_dcache_segment_1way;
 		break;
@@ -110,7 +110,7 @@ void __init p3_cache_init(void)
 	if (ioremap_page_range(P3SEG, P3SEG + (PAGE_SIZE * 4), 0, PAGE_KERNEL))
 		panic("%s failed.", __FUNCTION__);
 
-	for (i = 0; i < cpu_data->dcache.n_aliases; i++)
+	for (i = 0; i < current_cpu_data.dcache.n_aliases; i++)
 		mutex_init(&p3map_mutex[i]);
 }
 
@@ -200,13 +200,14 @@ void flush_cache_sigtramp(unsigned long addr)
 		     : /* no output */
 		     : "m" (__m(v)));
 
-	index = CACHE_IC_ADDRESS_ARRAY | (v & cpu_data->icache.entry_mask);
+	index = CACHE_IC_ADDRESS_ARRAY |
+			(v & current_cpu_data.icache.entry_mask);
 
 	local_irq_save(flags);
 	jump_to_P2();
 
-	for (i = 0; i < cpu_data->icache.ways;
-	     i++, index += cpu_data->icache.way_incr)
+	for (i = 0; i < current_cpu_data.icache.ways;
+	     i++, index += current_cpu_data.icache.way_incr)
 		ctrl_outl(0, index);	/* Clear out Valid-bit */
 
 	back_to_P1();
@@ -223,7 +224,7 @@ static inline void flush_cache_4096(unsigned long start,
 	 * All types of SH-4 require PC to be in P2 to operate on the I-cache.
 	 * Some types of SH-4 require PC to be in P2 to operate on the D-cache.
 	 */
-	if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG) ||
+	if ((current_cpu_data.flags & CPU_HAS_P2_FLUSH_BUG) ||
 	    (start < CACHE_OC_ADDRESS_ARRAY))
 		exec_offset = 0x20000000;
 
@@ -255,7 +256,7 @@ void flush_dcache_page(struct page *page)
 		int i, n;
 
 		/* Loop all the D-cache */
-		n = cpu_data->dcache.n_aliases;
+		n = current_cpu_data.dcache.n_aliases;
 		for (i = 0; i < n; i++, addr += 4096)
 			flush_cache_4096(addr, phys);
 	}
@@ -287,7 +288,7 @@ static inline void flush_icache_all(void)
 
 void flush_dcache_all(void)
 {
-	(*__flush_dcache_segment_fn)(0UL, cpu_data->dcache.way_size);
+	(*__flush_dcache_segment_fn)(0UL, current_cpu_data.dcache.way_size);
 	wmb();
 }
 
@@ -301,8 +302,8 @@ static void __flush_cache_mm(struct mm_struct *mm, unsigned long start,
 			     unsigned long end)
 {
 	unsigned long d = 0, p = start & PAGE_MASK;
-	unsigned long alias_mask = cpu_data->dcache.alias_mask;
-	unsigned long n_aliases = cpu_data->dcache.n_aliases;
+	unsigned long alias_mask = current_cpu_data.dcache.alias_mask;
+	unsigned long n_aliases = current_cpu_data.dcache.n_aliases;
 	unsigned long select_bit;
 	unsigned long all_aliases_mask;
 	unsigned long addr_offset;
@@ -389,7 +390,7 @@ void flush_cache_mm(struct mm_struct *mm)
 	 * If cache is only 4k-per-way, there are never any 'aliases'.  Since
 	 * the cache is physically tagged, the data can just be left in there.
 	 */
-	if (cpu_data->dcache.n_aliases == 0)
+	if (current_cpu_data.dcache.n_aliases == 0)
 		return;
 
 	/*
@@ -426,7 +427,7 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
 	unsigned long phys = pfn << PAGE_SHIFT;
 	unsigned int alias_mask;
 
-	alias_mask = cpu_data->dcache.alias_mask;
+	alias_mask = current_cpu_data.dcache.alias_mask;
 
 	/* We only need to flush D-cache when we have alias */
 	if ((address^phys) & alias_mask) {
@@ -440,7 +441,7 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
 			phys);
 	}
 
-	alias_mask = cpu_data->icache.alias_mask;
+	alias_mask = current_cpu_data.icache.alias_mask;
 	if (vma->vm_flags & VM_EXEC) {
 		/*
 		 * Evict entries from the portion of the cache from which code
@@ -472,7 +473,7 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
 	 * If cache is only 4k-per-way, there are never any 'aliases'.  Since
 	 * the cache is physically tagged, the data can just be left in there.
 	 */
-	if (cpu_data->dcache.n_aliases == 0)
+	if (current_cpu_data.dcache.n_aliases == 0)
 		return;
 
 	/*
@@ -533,7 +534,7 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys,
 	unsigned long a, ea, p;
 	unsigned long temp_pc;
 
-	dcache = &cpu_data->dcache;
+	dcache = &current_cpu_data.dcache;
 	/* Write this way for better assembly. */
 	way_count = dcache->ways;
 	way_incr = dcache->way_incr;
@@ -608,7 +609,7 @@ static void __flush_dcache_segment_1way(unsigned long start,
 	base_addr = ((base_addr >> 16) << 16);
 	base_addr |= start;
 
-	dcache = &cpu_data->dcache;
+	dcache = &current_cpu_data.dcache;
 	linesz = dcache->linesz;
 	way_incr = dcache->way_incr;
 	way_size = dcache->way_size;
@@ -650,7 +651,7 @@ static void __flush_dcache_segment_2way(unsigned long start,
 	base_addr = ((base_addr >> 16) << 16);
 	base_addr |= start;
 
-	dcache = &cpu_data->dcache;
+	dcache = &current_cpu_data.dcache;
 	linesz = dcache->linesz;
 	way_incr = dcache->way_incr;
 	way_size = dcache->way_size;
@@ -709,7 +710,7 @@ static void __flush_dcache_segment_4way(unsigned long start,
 	base_addr = ((base_addr >> 16) << 16);
 	base_addr |= start;
 
-	dcache = &cpu_data->dcache;
+	dcache = &current_cpu_data.dcache;
 	linesz = dcache->linesz;
 	way_incr = dcache->way_incr;
 	way_size = dcache->way_size;
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index 2808b580d98..31f8deb7a15 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -32,9 +32,9 @@ static inline void cache_wback_all(void)
 {
 	unsigned long ways, waysize, addrstart;
 
-	ways = cpu_data->dcache.ways;
-	waysize = cpu_data->dcache.sets;
-	waysize <<= cpu_data->dcache.entry_shift;
+	ways = current_cpu_data.dcache.ways;
+	waysize = current_cpu_data.dcache.sets;
+	waysize <<= current_cpu_data.dcache.entry_shift;
 
 	addrstart = CACHE_OC_ADDRESS_ARRAY;
 
@@ -43,7 +43,7 @@ static inline void cache_wback_all(void)
 
 		for (addr = addrstart;
 		     addr < addrstart + waysize;
-		     addr += cpu_data->dcache.linesz) {
+		     addr += current_cpu_data.dcache.linesz) {
 			unsigned long data;
 			int v = SH_CACHE_UPDATED | SH_CACHE_VALID;
 
@@ -53,7 +53,7 @@ static inline void cache_wback_all(void)
 				ctrl_outl(data & ~v, addr);
 		}
 
-		addrstart += cpu_data->dcache.way_incr;
+		addrstart += current_cpu_data.dcache.way_incr;
 	} while (--ways);
 }
 
@@ -93,9 +93,9 @@ static void __flush_dcache_page(unsigned long phys)
 	local_irq_save(flags);
 	jump_to_P2();
 
-	ways = cpu_data->dcache.ways;
-	waysize = cpu_data->dcache.sets;
-	waysize <<= cpu_data->dcache.entry_shift;
+	ways = current_cpu_data.dcache.ways;
+	waysize = current_cpu_data.dcache.sets;
+	waysize <<= current_cpu_data.dcache.entry_shift;
 
 	addrstart = CACHE_OC_ADDRESS_ARRAY;
 
@@ -104,7 +104,7 @@ static void __flush_dcache_page(unsigned long phys)
 
 		for (addr = addrstart;
 		     addr < addrstart + waysize;
-		     addr += cpu_data->dcache.linesz) {
+		     addr += current_cpu_data.dcache.linesz) {
 			unsigned long data;
 
 			data = ctrl_inl(addr) & (0x1ffffC00 | SH_CACHE_VALID);
@@ -114,7 +114,7 @@ static void __flush_dcache_page(unsigned long phys)
 			}
 		}
 
-		addrstart += cpu_data->dcache.way_incr;
+		addrstart += current_cpu_data.dcache.way_incr;
 	} while (--ways);
 
 	back_to_P1();
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
index cfc32355174..b529d809dd4 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-sh4.c
@@ -13,7 +13,7 @@
 
 extern struct mutex p3map_mutex[];
 
-#define CACHE_ALIAS (cpu_data->dcache.alias_mask)
+#define CACHE_ALIAS (current_cpu_data.dcache.alias_mask)
 
 /*
  * clear_user_page
diff --git a/arch/sh/mm/pg-sh7705.c b/arch/sh/mm/pg-sh7705.c
index b052d0fee82..887ab9d18cc 100644
--- a/arch/sh/mm/pg-sh7705.c
+++ b/arch/sh/mm/pg-sh7705.c
@@ -43,13 +43,13 @@ static inline void __flush_purge_virtual_region(void *p1, void *virt, int size)
 
 		p = __pa(p1_begin);
 
-	        ways = cpu_data->dcache.ways;
+	        ways = current_cpu_data.dcache.ways;
 		addr = CACHE_OC_ADDRESS_ARRAY;
 
 		do {
 			unsigned long data;
 
-			addr |= (v & cpu_data->dcache.entry_mask);
+			addr |= (v & current_cpu_data.dcache.entry_mask);
 
 			data = ctrl_inl(addr);
 			if ((data & CACHE_PHYSADDR_MASK) ==
@@ -58,7 +58,7 @@ static inline void __flush_purge_virtual_region(void *p1, void *virt, int size)
 				ctrl_outl(data, addr);
 			}
 
-			addr += cpu_data->dcache.way_incr;
+			addr += current_cpu_data.dcache.way_incr;
 		} while (--ways);
 
 		p1_begin += L1_CACHE_BYTES;
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 16627069c53..598c998dba5 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -26,7 +26,7 @@ void __flush_tlb_page(unsigned long asid, unsigned long page)
 	addr = MMU_TLB_ADDRESS_ARRAY | (page & 0x1F000);
 	data = (page & 0xfffe0000) | asid; /* VALID bit is off */
 
-	if ((cpu_data->flags & CPU_HAS_MMU_PAGE_ASSOC)) {
+	if ((current_cpu_data.flags & CPU_HAS_MMU_PAGE_ASSOC)) {
 		addr |= MMU_PAGE_ASSOC_BIT;
 		ways = 1;	/* we already know the way .. */
 	}
diff --git a/arch/sh/oprofile/op_model_sh7750.c b/arch/sh/oprofile/op_model_sh7750.c
index 0104e44bc76..ebee7e24ede 100644
--- a/arch/sh/oprofile/op_model_sh7750.c
+++ b/arch/sh/oprofile/op_model_sh7750.c
@@ -259,7 +259,7 @@ static struct oprofile_operations sh7750_perf_counter_ops = {
 
 int __init oprofile_arch_init(struct oprofile_operations **ops)
 {
-	if (!(cpu_data->flags & CPU_HAS_PERF_COUNTER))
+	if (!(current_cpu_data.flags & CPU_HAS_PERF_COUNTER))
 		return -ENODEV;
 
 	sh7750_perf_counter_ops.cpu_type = (char *)get_cpu_subtype();
diff --git a/include/asm-sh/bugs.h b/include/asm-sh/bugs.h
index a294997a841..5a117ec43c7 100644
--- a/include/asm-sh/bugs.h
+++ b/include/asm-sh/bugs.h
@@ -19,9 +19,9 @@ static void __init check_bugs(void)
 	extern unsigned long loops_per_jiffy;
 	char *p = &init_utsname()->machine[2]; /* "sh" */
 
-	cpu_data->loops_per_jiffy = loops_per_jiffy;
+	current_cpu_data.loops_per_jiffy = loops_per_jiffy;
 
-	switch (cpu_data->type) {
+	switch (current_cpu_data.type) {
 	case CPU_SH7604 ... CPU_SH7619:
 		*p++ = '2';
 		break;
@@ -54,7 +54,7 @@ static void __init check_bugs(void)
 		break;
 	}
 
-	printk("CPU: %s\n", get_cpu_subtype());
+	printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));
 
 #ifndef __LITTLE_ENDIAN__
 	/* 'eb' means 'Endian Big' */
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index da229aae8e0..3e46a7afe76 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -27,8 +27,6 @@
 #define CCN_CVR		0xff000040
 #define CCN_PRR		0xff000044
 
-const char *get_cpu_subtype(void);
-
 /*
  *  CPU type and hardware bug flags. Kept separately for each CPU.
  *
@@ -289,5 +287,8 @@ extern int vsyscall_init(void);
 #define vsyscall_init() do { } while (0)
 #endif
 
+/* arch/sh/kernel/setup.c */
+const char *get_cpu_subtype(struct sh_cpuinfo *c);
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_PROCESSOR_H */
diff --git a/include/asm-sh/ubc.h b/include/asm-sh/ubc.h
index 694f51f4794..ae9bbdeefbe 100644
--- a/include/asm-sh/ubc.h
+++ b/include/asm-sh/ubc.h
@@ -17,7 +17,7 @@
 /* User Break Controller */
 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
     defined(CONFIG_CPU_SUBTYPE_SH7300)
-#define UBC_TYPE_SH7729	(cpu_data->type == CPU_SH7729)
+#define UBC_TYPE_SH7729	(current_cpu_data.type == CPU_SH7729)
 #else
 #define UBC_TYPE_SH7729	0
 #endif