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authorKukjin Kim <kgene.kim@samsung.com>2011-09-16 16:38:43 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-09-16 16:38:43 +0900
commitbe6bb8cc8d2bd033a1f89983f2f13bdb3548a08f (patch)
tree2b7f76cc2154e5589a605f97a663c8afe4f6016f /arch/arm/mach-s3c64xx
parentd03c35939d2a447093e60133156217d6512aa9e3 (diff)
parentb02b5da4d15d7f7a250888d003121e1b5b69d00b (diff)
Merge branch 'next/topic-cpuid-rev' into next/topic-add-exynos4212
Diffstat (limited to 'arch/arm/mach-s3c64xx')
-rw-r--r--arch/arm/mach-s3c64xx/cpu.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/arch/arm/mach-s3c64xx/cpu.c b/arch/arm/mach-s3c64xx/cpu.c
index 374e45e566b..6c498f9a18c 100644
--- a/arch/arm/mach-s3c64xx/cpu.c
+++ b/arch/arm/mach-s3c64xx/cpu.c
@@ -43,16 +43,16 @@ static const char name_s3c6410[] = "S3C6410";
static struct cpu_table cpu_ids[] __initdata = {
{
- .idcode = 0x36400000,
- .idmask = 0xfffff000,
+ .idcode = S3C6400_CPU_ID,
+ .idmask = S3C64XX_CPU_MASK,
.map_io = s3c6400_map_io,
.init_clocks = s3c6400_init_clocks,
.init_uarts = s3c6400_init_uarts,
.init = s3c6400_init,
.name = name_s3c6400,
}, {
- .idcode = 0x36410100,
- .idmask = 0xffffff00,
+ .idcode = S3C6410_CPU_ID,
+ .idmask = S3C64XX_CPU_MASK,
.map_io = s3c6410_map_io,
.init_clocks = s3c6410_init_clocks,
.init_uarts = s3c6410_init_uarts,
@@ -140,22 +140,14 @@ void __init s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
{
- unsigned long idcode;
-
/* initialise the io descriptors we need for initialisation */
iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
iotable_init(mach_desc, size);
- idcode = __raw_readl(S3C_VA_SYS + 0x118);
- if (!idcode) {
- /* 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);
- idcode = __raw_readl(S3C_VA_SYS + 0xA1C);
- }
+ /* detect cpu id */
+ s3c64xx_init_cpu();
- s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
+ s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}
static __init int s3c64xx_sysdev_init(void)