diff options
Diffstat (limited to 'arch/arm/mach-exynos')
-rw-r--r-- | arch/arm/mach-exynos/common.c | 48 |
1 files changed, 4 insertions, 44 deletions
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 561890f..e886154 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -412,59 +412,19 @@ static int __init exynos_core_init(void) } core_initcall(exynos_core_init); -#ifdef CONFIG_CACHE_L2X0 static int __init exynos4_l2x0_cache_init(void) { int ret; - if (soc_is_exynos5250() || soc_is_exynos5440()) - return 0; - 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; - } - - if (!(__raw_readl(S5P_VA_L2CC + L2X0_CTRL) & 0x1)) { - l2x0_saved_regs.phy_base = EXYNOS4_PA_L2CC; - /* TAG, Data Latency Control: 2 cycles */ - l2x0_saved_regs.tag_latency = 0x110; - - if (soc_is_exynos4212() || soc_is_exynos4412()) - l2x0_saved_regs.data_latency = 0x120; - else - l2x0_saved_regs.data_latency = 0x110; - - l2x0_saved_regs.prefetch_ctrl = 0x30000007; - l2x0_saved_regs.pwr_ctrl = - (L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN); - - l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs); - - __raw_writel(l2x0_saved_regs.tag_latency, - S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL); - __raw_writel(l2x0_saved_regs.data_latency, - S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); - - /* L2X0 Prefetch Control */ - __raw_writel(l2x0_saved_regs.prefetch_ctrl, - S5P_VA_L2CC + L2X0_PREFETCH_CTRL); - - /* L2X0 Power Control */ - __raw_writel(l2x0_saved_regs.pwr_ctrl, - S5P_VA_L2CC + L2X0_POWER_CTRL); - - clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long)); - clean_dcache_area(&l2x0_saved_regs, sizeof(struct l2x0_regs)); - } + if (ret) + return ret; - l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK); + l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs); + clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long)); return 0; } early_initcall(exynos4_l2x0_cache_init); -#endif static int __init exynos_init(void) { |