diff options
Diffstat (limited to 'arch/arm/mach-imx/imx27.c')
| -rw-r--r-- | arch/arm/mach-imx/imx27.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/imx27.c b/arch/arm/mach-imx/imx27.c index 8116e6f932..cd429d04e8 100644 --- a/arch/arm/mach-imx/imx27.c +++ b/arch/arm/mach-imx/imx27.c @@ -20,7 +20,20 @@ int imx_silicon_revision(void) { - return CID >> 28; + uint32_t val; + + val = readl(MX27_SYSCTRL_BASE_ADDR); + + switch (val >> 28) { + case 0: + return IMX_CHIP_REV_1_0; + case 1: + return IMX_CHIP_REV_2_0; + case 2: + return IMX_CHIP_REV_2_1; + default: + return IMX_CHIP_REV_UNKNOWN; + } } void imx27_setup_weimcs(size_t cs, unsigned upper, unsigned lower, |