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| author | Eric Miao <eric.miao@linaro.org> | 2011-08-28 18:25:48 +0800 |
|---|---|---|
| committer | Eric Miao <eric.miao@linaro.org> | 2011-10-14 09:57:01 +0800 |
| commit | e2a4f9a7954ddac78ff4f86468946c0c5e6f7500 (patch) | |
| tree | 1c54b2fbe0a55dd7eed0665038c27c51b1a019ab | |
| parent | 58b1ae2f6684ce761e5c9a64c7053aa18e2cc934 (diff) | |
imx: add support for board revision and imx_cpu_ver()
Change copied directly from commit:
c3c5711 ENGR00141217-2 include file upgrade to 2.6.38
Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Signed-off-by: Eric Miao <eric.miao@linaro.org>
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h index 90696291f95..8b564f88efd 100644 --- a/arch/arm/plat-mxc/include/mach/mxc.h +++ b/arch/arm/plat-mxc/include/mach/mxc.h @@ -64,6 +64,22 @@ #define IMX_CHIP_REVISION_3_3_STRING "3.3" #define IMX_CHIP_REVISION_UNKNOWN_STRING "unknown" +#define IMX_BOARD_REV_1 0x000 +#define IMX_BOARD_REV_2 0x100 +#define IMX_BOARD_REV_3 0x200 + +#ifndef __ASSEMBLY__ +extern unsigned int system_rev; +#define board_is_rev(rev) (((system_rev & 0x0F00) == rev) ? 1 : 0) +#define imx_cpu_ver() (system_rev & 0xFF) +#endif + +#ifdef CONFIG_ARCH_MX5 +#define board_is_mx53_arm2() (cpu_is_mx53() && board_is_rev(IMX_BOARD_REV_2)) +#define board_is_mx53_evk_a() (cpu_is_mx53() && board_is_rev(IMX_BOARD_REV_1)) +#define board_is_mx53_evk_b() (cpu_is_mx53() && board_is_rev(IMX_BOARD_REV_3)) +#endif + #ifndef __ASSEMBLY__ extern unsigned int __mxc_cpu_type; #endif |