ARM: EXYNOS4: Use samsung_rev() to distinguish silicon revision

This patch uses samsung_rev() to support variable silicon revision of
EXYNOS4210 so that can support for EXYNOS4210 REV0, REV1.0 and REV1.1.

Note: Need to change timer setting on REV0.

Acked-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index c22d110a1965..6fdd5ef5e7b1 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -100,6 +100,10 @@ IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
 # define soc_is_exynos4210()    0
 #endif
 
+#define EXYNOS4210_REV_0        (0x0)
+#define EXYNOS4210_REV_1_0      (0x10)
+#define EXYNOS4210_REV_1_1      (0x11)
+
 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
 
 #ifndef MHZ
@@ -144,6 +148,8 @@ extern void s3c24xx_init_cpu(void);
 extern void s3c64xx_init_cpu(void);
 extern void s5p_init_cpu(void __iomem *cpuid_addr);
 
+extern unsigned int samsung_rev(void);
+
 extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
 extern void s3c24xx_init_clocks(int xtal);