[U-Boot] [PATCH V2 2/5] imx: mx27 implement get_cpu_rev

[Peng Fan]

Implement get_cpu_rev to support runtime check using is_cpu_type.

Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
Cc: Stefano Babic <sbabic at denx.de>
Reviewed-by: Stefano Babic <sbabic at denx.de>
---

Changes v2:
 New patch.

 arch/arm/cpu/arm926ejs/mx27/generic.c | 6 ++++++
 1 file changed, 6 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)
 {
-- 
1.8.4