arch/arm/mach-imx/include/mach/generic.h

int imx_silicon_revision(void);
#define IMX27_CHIP_REVISION_1_0   0
#define IMX27_CHIP_REVISION_2_0   1

#define IMX35_CHIP_REVISION_1_0   0x10
#define IMX35_CHIP_REVISION_2_0   0x20

u64 imx_uid(void);


#ifdef CONFIG_ARCH_IMX1
#define cpu_is_mx1()	(1)
#else
#define cpu_is_mx1()	(0)
#endif

#ifdef CONFIG_ARCH_IMX21
#define cpu_is_mx21()	(1)
#else
#define cpu_is_mx21()	(0)
#endif

#ifdef CONFIG_ARCH_IMX25
#define cpu_is_mx25()	(1)
#else
#define cpu_is_mx25()	(0)
#endif

#ifdef CONFIG_ARCH_IMX27
#define cpu_is_mx27()	(1)
#else
#define cpu_is_mx27()	(0)
#endif

#ifdef CONFIG_ARCH_IMX31
#define cpu_is_mx31()	(1)
#else
#define cpu_is_mx31()	(0)
#endif

#ifdef CONFIG_ARCH_IMX35
#define cpu_is_mx35()	(1)
#else
#define cpu_is_mx35()	(0)
#endif

#ifdef CONFIG_ARCH_IMX51
#define cpu_is_mx51()	(1)
#else
#define cpu_is_mx51()	(0)
#endif

#define cpu_is_mx23()	(0)
#define cpu_is_mx28()	(0)