diff options
Diffstat (limited to 'arch/arm/mach-mmp/common.c')
| -rw-r--r-- | arch/arm/mach-mmp/common.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/common.c b/arch/arm/mach-mmp/common.c index 3b29fa7e9b08..0ec0ca80bb3e 100644 --- a/arch/arm/mach-mmp/common.c +++ b/arch/arm/mach-mmp/common.c @@ -10,13 +10,20 @@ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/module.h> #include <asm/page.h> #include <asm/mach/map.h> #include <mach/addr-map.h> +#include <mach/cputype.h> #include "common.h" +#define MMP_CHIPID (AXI_VIRT_BASE + 0x82c00) + +unsigned int mmp_chip_id; +EXPORT_SYMBOL(mmp_chip_id); + static struct map_desc standard_io_desc[] __initdata = { { .pfn = __phys_to_pfn(APB_PHYS_BASE), @@ -34,4 +41,7 @@ static struct map_desc standard_io_desc[] __initdata = { void __init mmp_map_io(void) { iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc)); + + /* this is early, initialize mmp_chip_id here */ + mmp_chip_id = __raw_readl(MMP_CHIPID); } |