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pxa: Add code to examine cpu model and revision
[platform/kernel/u-boot.git]
/
arch
/
arm
/
cpu
/
pxa
/
cpuinfo.c
diff --git
a/arch/arm/cpu/pxa/cpuinfo.c
b/arch/arm/cpu/pxa/cpuinfo.c
index
f1cdd40
..
bab6340
100644
(file)
--- a/
arch/arm/cpu/pxa/cpuinfo.c
+++ b/
arch/arm/cpu/pxa/cpuinfo.c
@@
-24,9
+24,11
@@
#include <errno.h>
#include <linux/compiler.h>
#include <errno.h>
#include <linux/compiler.h>
-#define CPU_MASK_PXA_REVID 0x00f
+#define CPU_MASK_PXA_PRODID 0x000003f0
+#define CPU_MASK_PXA_REVID 0x0000000f
+
+#define CPU_MASK_PRODREV (CPU_MASK_PXA_PRODID | CPU_MASK_PXA_REVID)
-#define CPU_MASK_PXA_PRODID 0x3f0
#define CPU_VALUE_PXA25X 0x100
#define CPU_VALUE_PXA27X 0x110
#define CPU_VALUE_PXA25X 0x100
#define CPU_VALUE_PXA27X 0x110
@@
-51,6
+53,11
@@
int cpu_is_pxa27x(void)
return id == CPU_VALUE_PXA27X;
}
return id == CPU_VALUE_PXA27X;
}
+uint32_t pxa_get_cpu_revision(void)
+{
+ return pxa_get_cpuid() & CPU_MASK_PRODREV;
+}
+
#ifdef CONFIG_DISPLAY_CPUINFO
static const char *pxa25x_get_revision(void)
{
#ifdef CONFIG_DISPLAY_CPUINFO
static const char *pxa25x_get_revision(void)
{