ARM: imx53: correct Silicon Revision definition following fuse map

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 8 insertions, 3 deletions

diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index d40671da4372..df46b5e60857 100644
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -78,11 +78,16 @@ static int get_mx53_srev(void)
         void __iomem *iim_base = MX51_IO_ADDRESS(MX53_IIM_BASE_ADDR);
         u32 rev = readl(iim_base + IIM_SREV) & 0xff;
 
-        if (rev == 0x0)
+        switch (rev) {
+        case 0x0:
                 return IMX_CHIP_REVISION_1_0;
-        else if (rev == 0x10)
+        case 0x2:
                 return IMX_CHIP_REVISION_2_0;
-        return 0;
+        case 0x3:
+                return IMX_CHIP_REVISION_2_1;
+        default:
+                return IMX_CHIP_REVISION_UNKNOWN;
+        }
 }
 
 /*