[ARM] pxa: add PXA3 cpu_is_xxx() macros
Extracted from patch by Eric Miao, this adds the cpu_is_xxx() macros
for identifying PXA3 SoCs.
Signed-off-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h
index 538a34e..fc20d72 100644
--- a/include/asm-arm/arch-pxa/hardware.h
+++ b/include/asm-arm/arch-pxa/hardware.h
@@ -80,6 +80,24 @@
_id == 0x411; \
})
+#define __cpu_is_pxa300(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x688; \
+ })
+
+#define __cpu_is_pxa310(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x689; \
+ })
+
+#define __cpu_is_pxa320(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x603 || _id == 0x682; \
+ })
+
#define cpu_is_pxa21x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
@@ -98,6 +116,53 @@
__cpu_is_pxa27x(id); \
})
+#define cpu_is_pxa300() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa300(id); \
+ })
+
+#define cpu_is_pxa310() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa310(id); \
+ })
+
+#define cpu_is_pxa320() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa320(id); \
+ })
+
+/*
+ * CPUID Core Generation Bit
+ * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x
+ * == 0x3 for pxa300/pxa310/pxa320
+ */
+#define __cpu_is_pxa2xx(id) \
+ ({ \
+ unsigned int _id = (id) >> 13 & 0x7; \
+ _id <= 0x2; \
+ })
+
+#define __cpu_is_pxa3xx(id) \
+ ({ \
+ unsigned int _id = (id) >> 13 & 0x7; \
+ _id == 0x3; \
+ })
+
+#define cpu_is_pxa2xx() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa2xx(id); \
+ })
+
+#define cpu_is_pxa3xx() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa3xx(id); \
+ })
+
/*
* Handy routine to set GPIO alternate functions
*/