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| author | Piotr Wilczek <p.wilczek@samsung.com> | 2014-01-22 15:54:30 +0100 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2014-02-07 10:06:24 +0900 |
| commit | 34991bbf471bb126988e611596a163135852d3c4 (patch) | |
| tree | d6cae543b7152278d5dc7e2c01001db763b5cab7 /arch | |
| parent | e6252fab2d6989025bfb97e33abca03b5cb10ff1 (diff) | |
| download | u-boot-imx-34991bbf471bb126988e611596a163135852d3c4.zip u-boot-imx-34991bbf471bb126988e611596a163135852d3c4.tar.gz u-boot-imx-34991bbf471bb126988e611596a163135852d3c4.tar.bz2 | |
arm:exynos: add cpu revision
This patch enables to read cpu revision on Exynos CPU.
Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-exynos/cpu.h | 8 |
1 files 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 */ |