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| author | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-20 06:41:21 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-24 13:26:03 +0200 |
| commit | 56b209227a87b718450e917df904e627ddfca146 (patch) | |
| tree | 4a271174ecec8bf1fb13e90a2bbca00918a4def8 /arch/arm/mach-exynos4/platsmp.c | |
| parent | ARM: SAMSUNG: Add support for handling of cpu revision (diff) | |
| download | linux-56b209227a87b718450e917df904e627ddfca146.tar.xz linux-56b209227a87b718450e917df904e627ddfca146.zip | |
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 @@ #include <mach/regs-clock.h> #include <mach/regs-pmu.h> +#include <plat/cpu.h> + extern void exynos4_secondary_startup(void); -#define CPU1_BOOT_REG S5P_VA_SYSRAM +#define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \ + S5P_INFORM5 : S5P_VA_SYSRAM) /* * 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) * until it receives a soft interrupt, and then the * secondary CPU branches to this address. */ - __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), S5P_VA_SYSRAM); + __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), + CPU1_BOOT_REG); } |