Write a function named get_cpu_rev to make it support runtime checking using "is_cpu_type(MXC_CPU_xx)".
Also introduce a macro MXC_CPU_MX27 with value 0x27.
Signed-off-by: Peng Fan Peng.Fan@freescale.com Cc: Stefano Babic sbabic@denx.de ---
Note: Based on https://patchwork.ozlabs.org/patch/505618/ to support runtime check patch.
arch/arm/cpu/arm926ejs/mx27/generic.c | 6 ++++++ arch/arm/include/asm/arch-imx/cpu.h | 1 + 2 files changed, 7 insertions(+)
diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c index 5ee9f07..b713c84 100644 --- a/arch/arm/cpu/arm926ejs/mx27/generic.c +++ b/arch/arm/cpu/arm926ejs/mx27/generic.c @@ -12,6 +12,7 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/clock.h> #include <asm/arch/gpio.h> +#include <asm/imx-common/sys_proto.h> #ifdef CONFIG_MXC_MMC #include <asm/arch/mxcmmc.h> #endif @@ -159,6 +160,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk) }
+u32 get_cpu_rev(void) +{ + return MXC_CPU_MX27 << 12; +} + #if defined(CONFIG_DISPLAY_CPUINFO) int print_cpuinfo (void) { diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h index 71208aa..be13b96 100644 --- a/arch/arm/include/asm/arch-imx/cpu.h +++ b/arch/arm/include/asm/arch-imx/cpu.h @@ -6,6 +6,7 @@
#define MXC_CPU_MX23 0x23 #define MXC_CPU_MX25 0x25 +#define MXC_CPU_MX27 0x27 #define MXC_CPU_MX28 0x28 #define MXC_CPU_MX31 0x31 #define MXC_CPU_MX35 0x35