[PATCH v2 1/1] ARM: imx53: correct Silicon Revision definition following fuse map

Richard Zhao richard.zhao at freescale.com
Fri Feb 18 07:26:30 EST 2011


Signed-off-by: Richard Zhao <richard.zhao at freescale.com>

diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index d40671d..df46b5e 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;
+	}
 }
 
 /*
-- 
1.7.1





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