From 34991bbf471bb126988e611596a163135852d3c4 Mon Sep 17 00:00:00 2001 From: Piotr Wilczek Date: Wed, 22 Jan 2014 15:54:30 +0100 Subject: [PATCH] arm:exynos: add cpu revision This patch enables to read cpu revision on Exynos CPU. Signed-off-by: Piotr Wilczek Signed-off-by: Kyungmin Park Signed-off-by: Minkyu Kang --- arch/arm/include/asm/arch-exynos/cpu.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h index 573f755..bccce63 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -185,9 +185,11 @@ static inline int s5p_get_cpu_rev(void) static inline void s5p_set_cpu_id(void) { - unsigned int pro_id = (readl(EXYNOS4_PRO_ID) & 0x00FFF000) >> 12; + unsigned int pro_id = readl(EXYNOS4_PRO_ID); + unsigned int cpu_id = (pro_id & 0x00FFF000) >> 12; + unsigned int cpu_rev = pro_id & 0x000000FF; - switch (pro_id) { + switch (cpu_id) { case 0x200: /* Exynos4210 EVT0 */ s5p_cpu_id = 0x4210; @@ -196,10 +198,12 @@ static inline void s5p_set_cpu_id(void) case 0x210: /* Exynos4210 EVT1 */ s5p_cpu_id = 0x4210; + s5p_cpu_rev = cpu_rev; break; case 0x412: /* Exynos4412 */ s5p_cpu_id = 0x4412; + s5p_cpu_rev = cpu_rev; break; case 0x520: /* Exynos5250 */ -- 2.7.4