This patch enables to read cpu revision on Exynos CPU.
Signed-off-by: Piotr Wilczek <p.wilc...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
Changes for V2:
- none
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 */
--
1.7.9.5
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