diff options
| author | Amit Daniel Kachhap <amit.kachhap@linaro.org> | 2012-01-10 10:49:19 +0530 |
|---|---|---|
| committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2012-02-15 16:38:32 +0400 |
| commit | e08e698f7a0978a74796cdd3b2b40ff6b702d24e (patch) | |
| tree | 44196291182c0857c79c46d1a4f764effc0532f3 | |
| parent | f57f8d0fa083909f418310173f3130f5efbac9c0 (diff) | |
ARM: exynos: Enable l2 configuration through device tree
This patch enables calling generic l2 setup functions if device tree is used.
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
| -rw-r--r-- | arch/arm/mach-exynos/common.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 15ba9b115a6..53ceaedacc2 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -48,6 +48,9 @@ #include "common.h" +#define L2_AUX_VAL 0x7C470001 +#define L2_AUX_MASK 0xC200ffff + static const char name_exynos4210[] = "EXYNOS4210"; static const char name_exynos4212[] = "EXYNOS4212"; static const char name_exynos4412[] = "EXYNOS4412"; @@ -443,6 +446,15 @@ core_initcall(exynos4_core_init); #ifdef CONFIG_CACHE_L2X0 static int __init exynos4_l2x0_cache_init(void) { +#ifdef CONFIG_OF + int ret; + ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK); + if (!ret) { + l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs); + clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long)); + return 0; + } +#endif if (!(__raw_readl(S5P_VA_L2CC + L2X0_CTRL) & 0x1)) { l2x0_saved_regs.phy_base = EXYNOS4_PA_L2CC; /* TAG, Data Latency Control: 2 cycles */ @@ -476,7 +488,7 @@ static int __init exynos4_l2x0_cache_init(void) clean_dcache_area(&l2x0_saved_regs, sizeof(struct l2x0_regs)); } - l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff); + l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK); return 0; } |