diff options
Diffstat (limited to 'arch/arm/mach-exynos4/cpu.c')
| -rw-r--r-- | arch/arm/mach-exynos4/cpu.c | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 746d6fc6d397..02ec52a99274 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -44,11 +44,6 @@ static struct map_desc exynos4_iodesc[] __initdata = { .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = (unsigned long)S5P_VA_SYSRAM, - .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM), - .length = SZ_4K, - .type = MT_DEVICE, - }, { .virtual = (unsigned long)S5P_VA_CMU, .pfn = __phys_to_pfn(EXYNOS4_PA_CMU), .length = SZ_128K, @@ -121,6 +116,24 @@ static struct map_desc exynos4_iodesc[] __initdata = { }, }; +static struct map_desc exynos4_iodesc0[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM, + .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM0), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static struct map_desc exynos4_iodesc1[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM, + .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM1), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + static void exynos4_idle(void) { if (!need_resched()) @@ -143,6 +156,11 @@ void __init exynos4_map_io(void) { iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc)); + if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0) + iotable_init(exynos4_iodesc0, ARRAY_SIZE(exynos4_iodesc0)); + else + iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1)); + /* initialize device information early */ exynos4_default_sdhci0(); exynos4_default_sdhci1(); @@ -170,6 +188,12 @@ void __init exynos4_init_clocks(int xtal) s3c24xx_register_baseclocks(xtal); s5p_register_clocks(xtal); + + if (soc_is_exynos4210()) + exynos4210_register_clocks(); + else if (soc_is_exynos4212()) + exynos4212_register_clocks(); + exynos4_register_clocks(); exynos4_setup_clocks(); } @@ -223,7 +247,11 @@ static int __init exynos4_l2x0_cache_init(void) { /* TAG, Data Latency Control: 2cycle */ __raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL); - __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + + if (soc_is_exynos4210()) + __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + else if (soc_is_exynos4212()) + __raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); /* L2X0 Prefetch Control */ __raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL); |