From 19905efac5ebb268530e43282134f672bc618764 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Mon, 11 Feb 2013 13:03:25 +0100 Subject: arm: add macro cpu_is_xxx so we can detect ARM920 ARM926 ARM1176 PXA250 PXA255 PXA270 Cortex-A8 Cortex-A5 Cortex-A7 Cortex-A9 Cortex-A15 Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Signed-off-by: Sascha Hauer --- arch/arm/include/asm/system_info.h | 63 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'arch/arm/include/asm/system_info.h') diff --git a/arch/arm/include/asm/system_info.h b/arch/arm/include/asm/system_info.h index 5b676313c0..56ebb11a2b 100644 --- a/arch/arm/include/asm/system_info.h +++ b/arch/arm/include/asm/system_info.h @@ -1,6 +1,8 @@ #ifndef __ASM_ARM_SYSTEM_INFO_H #define __ASM_ARM_SYSTEM_INFO_H +#include + #define CPU_ARCH_UNKNOWN 0 #define CPU_ARCH_ARMv3 1 #define CPU_ARCH_ARMv4 2 @@ -12,12 +14,56 @@ #define CPU_ARCH_ARMv6 8 #define CPU_ARCH_ARMv7 9 +#define CPU_IS_ARM920 0x41009200 +#define CPU_IS_ARM920_MASK 0xff00fff0 + +#define CPU_IS_ARM926 0x41069260 +#define CPU_IS_ARM926_MASK 0xff0ffff0 + +#define CPU_IS_ARM1176 0x410fb767 +#define CPU_IS_ARM1176_MASK 0xff0ffff0 + +#define CPU_IS_CORTEX_A8 0x410fc080 +#define CPU_IS_CORTEX_A8_MASK 0xff0ffff0 + +#define CPU_IS_CORTEX_A5 0x410fc050 +#define CPU_IS_CORTEX_A5_MASK 0xff0ffff0 + +#define CPU_IS_CORTEX_A9 0x410fc090 +#define CPU_IS_CORTEX_A9_MASK 0xff0ffff0 + +#define CPU_IS_CORTEX_A7 0x410fc070 +#define CPU_IS_CORTEX_A7_MASK 0xff0ffff0 + +#define CPU_IS_CORTEX_A15 0x410fc0f0 +#define CPU_IS_CORTEX_A15_MASK 0xff0ffff0 + +#define CPU_IS_PXA250 0x69052100 +#define CPU_IS_PXA250_MASK 0xfffff7f0 + +#define CPU_IS_PXA255 0x69052d00 +#define CPU_IS_PXA255_MASK 0xfffffff0 + +#define CPU_IS_PXA270 0x69054110 +#define CPU_IS_PXA270_MASK 0xfffff7f0 + +#define cpu_is_arm(core) ((read_cpuid_id() & CPU_IS_##core##_MASK) == CPU_IS_##core) + #ifdef CONFIG_CPU_32v4T #ifdef ARM_ARCH #define ARM_MULTIARCH #else #define ARM_ARCH CPU_ARCH_ARMv4T #endif +#define cpu_is_arm920() cpu_is_arm(ARM920) +#define cpu_is_pxa250() cpu_is_arm(PXA250) +#define cpu_is_pxa255() cpu_is_arm(PXA255) +#define cpu_is_pxa270() cpu_is_arm(PXA270) +#else +#define cpu_is_arm920() (0) +#define cpu_is_pxa250() (0) +#define cpu_is_pxa255() (0) +#define cpu_is_pxa270() (0) #endif #ifdef CONFIG_CPU_32v5 @@ -26,6 +72,9 @@ #else #define ARM_ARCH CPU_ARCH_ARMv5 #endif +#define cpu_is_arm926() cpu_is_arm(ARM926) +#else +#define cpu_is_arm926() (0) #endif #ifdef CONFIG_CPU_32v6 @@ -34,6 +83,9 @@ #else #define ARM_ARCH CPU_ARCH_ARMv6 #endif +#define cpu_is_arm1176() cpu_is_arm(ARM1176) +#else +#define cpu_is_arm1176() (0) #endif #ifdef CONFIG_CPU_32v7 @@ -42,6 +94,17 @@ #else #define ARM_ARCH CPU_ARCH_ARMv7 #endif +#define cpu_is_cortex_a8() cpu_is_arm(CORTEX_A8) +#define cpu_is_cortex_a5() cpu_is_arm(CORTEX_A5) +#define cpu_is_cortex_a9() cpu_is_arm(CORTEX_A9) +#define cpu_is_cortex_a7() cpu_is_arm(CORTEX_A7) +#define cpu_is_cortex_a15() cpu_is_arm(CORTEX_A15) +#else +#define cpu_is_cortex_a8() (0) +#define cpu_is_cortex_a5() (0) +#define cpu_is_cortex_a9() (0) +#define cpu_is_cortex_a7() (0) +#define cpu_is_cortex_a15() (0) #endif #ifndef __ASSEMBLY__ -- cgit v1.2.3