diff options
author | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-20 00:41:21 -0400 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-24 07:26:03 -0400 |
commit | 56b209227a87b718450e917df904e627ddfca146 (patch) | |
tree | 4a271174ecec8bf1fb13e90a2bbca00918a4def8 /arch/arm/mach-exynos4/platsmp.c | |
parent | e6d1cb9f1fffd7e300af6d8f6731a486d6255e3f (diff) |
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>
Diffstat (limited to 'arch/arm/mach-exynos4/platsmp.c')
-rw-r--r-- | arch/arm/mach-exynos4/platsmp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c index 7c2282c6ba81..96cc6513b128 100644 --- a/arch/arm/mach-exynos4/platsmp.c +++ b/arch/arm/mach-exynos4/platsmp.c | |||
@@ -30,9 +30,12 @@ | |||
30 | #include <mach/regs-clock.h> | 30 | #include <mach/regs-clock.h> |
31 | #include <mach/regs-pmu.h> | 31 | #include <mach/regs-pmu.h> |
32 | 32 | ||
33 | #include <plat/cpu.h> | ||
34 | |||
33 | extern void exynos4_secondary_startup(void); | 35 | extern void exynos4_secondary_startup(void); |
34 | 36 | ||
35 | #define CPU1_BOOT_REG S5P_VA_SYSRAM | 37 | #define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \ |
38 | S5P_INFORM5 : S5P_VA_SYSRAM) | ||
36 | 39 | ||
37 | /* | 40 | /* |
38 | * control for which core is the next to come out of the secondary | 41 | * control for which core is the next to come out of the secondary |
@@ -216,5 +219,6 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus) | |||
216 | * until it receives a soft interrupt, and then the | 219 | * until it receives a soft interrupt, and then the |
217 | * secondary CPU branches to this address. | 220 | * secondary CPU branches to this address. |
218 | */ | 221 | */ |
219 | __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), S5P_VA_SYSRAM); | 222 | __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), |
223 | CPU1_BOOT_REG); | ||
220 | } | 224 | } |