[ARM] cputype: separate definitions, use them
Add asm/cputype.h, moving functions and definitions from asm/system.h
there. Convert all users of 'processor_id' to the more efficient
read_cpuid_id() function.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c
index da3a898..f7fa034 100644
--- a/arch/arm/mach-sa1100/cpu-sa1100.c
+++ b/arch/arm/mach-sa1100/cpu-sa1100.c
@@ -88,6 +88,8 @@
#include <linux/init.h>
#include <linux/cpufreq.h>
+#include <asm/cputype.h>
+
#include <mach/hardware.h>
#include "generic.h"
@@ -240,7 +242,7 @@
static int __init sa1100_dram_init(void)
{
- if ((processor_id & CPU_SA1100_MASK) == CPU_SA1100_ID)
+ if (cpu_is_sa1100())
return cpufreq_register_driver(&sa1100_driver);
else
return -ENODEV;
diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c
index 029dbfb..78d8294 100644
--- a/arch/arm/mach-sa1100/cpu-sa1110.c
+++ b/arch/arm/mach-sa1100/cpu-sa1110.c
@@ -25,6 +25,7 @@
#include <linux/init.h>
#include <mach/hardware.h>
+#include <asm/cputype.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <asm/system.h>
diff --git a/arch/arm/mach-sa1100/include/mach/SA-1100.h b/arch/arm/mach-sa1100/include/mach/SA-1100.h
index 62aaf04..4f7ea01 100644
--- a/arch/arm/mach-sa1100/include/mach/SA-1100.h
+++ b/arch/arm/mach-sa1100/include/mach/SA-1100.h
@@ -2054,19 +2054,3 @@
/* active display mode) */
#define LCCR3_OutEnH (LCCR3_OEP*0) /* Output Enable active High */
#define LCCR3_OutEnL (LCCR3_OEP*1) /* Output Enable active Low */
-
-#ifndef __ASSEMBLY__
-extern unsigned int processor_id;
-#endif
-
-#define CPU_REVISION (processor_id & 15)
-#define CPU_SA1110_A0 (0)
-#define CPU_SA1110_B0 (4)
-#define CPU_SA1110_B1 (5)
-#define CPU_SA1110_B2 (6)
-#define CPU_SA1110_B4 (8)
-
-#define CPU_SA1100_ID (0x4401a110)
-#define CPU_SA1100_MASK (0xfffffff0)
-#define CPU_SA1110_ID (0x6901b110)
-#define CPU_SA1110_MASK (0xfffffff0)
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
index 5976435..b70846c 100644
--- a/arch/arm/mach-sa1100/include/mach/hardware.h
+++ b/arch/arm/mach-sa1100/include/mach/hardware.h
@@ -36,8 +36,26 @@
#define io_v2p( x ) \
( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
+#define CPU_SA1110_A0 (0)
+#define CPU_SA1110_B0 (4)
+#define CPU_SA1110_B1 (5)
+#define CPU_SA1110_B2 (6)
+#define CPU_SA1110_B4 (8)
+
+#define CPU_SA1100_ID (0x4401a110)
+#define CPU_SA1100_MASK (0xfffffff0)
+#define CPU_SA1110_ID (0x6901b110)
+#define CPU_SA1110_MASK (0xfffffff0)
+
#ifndef __ASSEMBLY__
+#include <asm/cputype.h>
+
+#define CPU_REVISION (read_cpuid_id() & 15)
+
+#define cpu_is_sa1100() ((read_cpuid_id() & CPU_SA1100_MASK) == CPU_SA1100_ID)
+#define cpu_is_sa1110() ((read_cpuid_id() & CPU_SA1110_MASK) == CPU_SA1110_ID)
+
# define __REG(x) (*((volatile unsigned long *)io_p2v(x)))
# define __PREG(x) (io_v2p((unsigned long)&(x)))