diff options
| author | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-20 12:18:07 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-24 19:25:19 +0900 |
| commit | e6d1cb9f1fffd7e300af6d8f6731a486d6255e3f (patch) | |
| tree | 7247b6f99084bfe78fbf17c5284121aa6ffc5f08 /arch/arm/mach-s3c64xx/cpu.c | |
| parent | a3d9358406b7529373ccafbf6d264f811884959c (diff) | |
ARM: SAMSUNG: Add support for handling of cpu revision
This patch adds plat-samsung/cpu.c for detecting of cpu id and
silicon revision.
This patch was originally from Changhwan Youn <chaos.youn@samsung.com>
Acked-by: Changhwan Youn <chaos.youn@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s3c64xx/cpu.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/cpu.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/arm/mach-s3c64xx/cpu.c b/arch/arm/mach-s3c64xx/cpu.c index 7b665f3e2e1..6c498f9a18c 100644 --- a/arch/arm/mach-s3c64xx/cpu.c +++ b/arch/arm/mach-s3c64xx/cpu.c @@ -144,14 +144,8 @@ void __init s3c64xx_init_io(struct map_desc *mach_desc, int size) iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); iotable_init(mach_desc, size); - samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0x118); - if (!samsung_cpu_id) { - /* S3C6400 has the ID register in a different place, - * and needs a write before it can be read. */ - - __raw_writel(0x0, S3C_VA_SYS + 0xA1C); - samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0xA1C); - } + /* detect cpu id */ + s3c64xx_init_cpu(); s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); } |