diff options
Diffstat (limited to 'arch/arm/mach-imx/cpu-imx27.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu-imx27.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/cpu-imx27.c b/arch/arm/mach-imx/cpu-imx27.c index d8d3b2d84dc5..3b117be37bd2 100644 --- a/arch/arm/mach-imx/cpu-imx27.c +++ b/arch/arm/mach-imx/cpu-imx27.c @@ -42,7 +42,19 @@ static void query_silicon_parameter(void) val = __raw_readl(MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR + SYS_CHIP_ID)); - cpu_silicon_rev = (int)(val >> 28); + switch (val >> 28) { + case 0: + cpu_silicon_rev = IMX_CHIP_REVISION_1_0; + break; + case 1: + cpu_silicon_rev = IMX_CHIP_REVISION_2_0; + break; + case 2: + cpu_silicon_rev = IMX_CHIP_REVISION_2_1; + break; + default: + cpu_silicon_rev = IMX_CHIP_REVISION_UNKNOWN; + } cpu_partnumber = (int)((val >> 12) & 0xFFFF); } |