imx: mx31 use new formula for get_cpu_rev

Use new formula for get_cpu_rev, since we need to use this formula
to do runtime check for all i.MXes.

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

diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c
index 060d46b..fe96670 100644 (file)
--- a/arch/arm/cpu/arm1136/mx31/generic.c
+++ b/arch/arm/cpu/arm1136/mx31/generic.c
@@ -175,7 +175,7 @@ u32 get_cpu_rev(void)
 
        for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
                if (srev == mx31_cpu_type[i].srev)
-                       return mx31_cpu_type[i].v;
+                       return mx31_cpu_type[i].v | (MXC_CPU_MX31 << 12);
 
        return srev | 0x8000;
 }

diff --git a/arch/arm/include/asm/arch-mx31/sys_proto.h b/arch/arm/include/asm/arch-mx31/sys_proto.h
index b0dfcba..1626442 100644 (file)
--- a/arch/arm/include/asm/arch-mx31/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx31/sys_proto.h
@@ -8,6 +8,8 @@
 #ifndef _SYS_PROTO_H_
 #define _SYS_PROTO_H_
 
+#include "../arch-imx/cpu.h"
+
 struct mxc_weimcs {
        u32 upper;
        u32 lower;