diff options
Diffstat (limited to 'arch/arm/mach-exynos/common.c')
| -rw-r--r-- | arch/arm/mach-exynos/common.c | 88 |
1 files changed, 46 insertions, 42 deletions
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 15718da..b35c600 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -24,6 +24,8 @@ #include <linux/export.h> #include <linux/irqdomain.h> #include <linux/of_address.h> +#include <linux/clocksource.h> +#include <linux/clk-provider.h> #include <linux/irqchip/arm-gic.h> #include <linux/irqchip/chained_irq.h> @@ -37,9 +39,9 @@ #include <mach/regs-irq.h> #include <mach/regs-pmu.h> #include <mach/regs-gpio.h> +#include <mach/irqs.h> #include <plat/cpu.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/pm.h> #include <plat/sdhci.h> @@ -65,17 +67,16 @@ static const char name_exynos5440[] = "EXYNOS5440"; static void exynos4_map_io(void); static void exynos5_map_io(void); static void exynos5440_map_io(void); -static void exynos4_init_clocks(int xtal); -static void exynos5_init_clocks(int xtal); static void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no); static int exynos_init(void); +unsigned long xxti_f = 0, xusbxti_f = 0; + static struct cpu_table cpu_ids[] __initdata = { { .idcode = EXYNOS4210_CPU_ID, .idmask = EXYNOS4_CPU_MASK, .map_io = exynos4_map_io, - .init_clocks = exynos4_init_clocks, .init_uarts = exynos4_init_uarts, .init = exynos_init, .name = name_exynos4210, @@ -83,7 +84,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = EXYNOS4212_CPU_ID, .idmask = EXYNOS4_CPU_MASK, .map_io = exynos4_map_io, - .init_clocks = exynos4_init_clocks, .init_uarts = exynos4_init_uarts, .init = exynos_init, .name = name_exynos4212, @@ -91,7 +91,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = EXYNOS4412_CPU_ID, .idmask = EXYNOS4_CPU_MASK, .map_io = exynos4_map_io, - .init_clocks = exynos4_init_clocks, .init_uarts = exynos4_init_uarts, .init = exynos_init, .name = name_exynos4412, @@ -99,7 +98,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = EXYNOS5250_SOC_ID, .idmask = EXYNOS5_SOC_MASK, .map_io = exynos5_map_io, - .init_clocks = exynos5_init_clocks, .init = exynos_init, .name = name_exynos5250, }, { @@ -257,11 +255,6 @@ static struct map_desc exynos5_iodesc[] __initdata = { .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = (unsigned long)S5P_VA_SYSTIMER, - .pfn = __phys_to_pfn(EXYNOS5_PA_SYSTIMER), - .length = SZ_4K, - .type = MT_DEVICE, - }, { .virtual = (unsigned long)S5P_VA_SYSRAM, .pfn = __phys_to_pfn(EXYNOS5_PA_SYSRAM), .length = SZ_4K, @@ -402,43 +395,26 @@ static void __init exynos5_map_io(void) iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc)); } -static void __init exynos4_init_clocks(int xtal) -{ - printk(KERN_DEBUG "%s: initializing clocks\n", __func__); - - s3c24xx_register_baseclocks(xtal); - s5p_register_clocks(xtal); - - if (soc_is_exynos4210()) - exynos4210_register_clocks(); - else if (soc_is_exynos4212() || soc_is_exynos4412()) - exynos4212_register_clocks(); - - exynos4_register_clocks(); - exynos4_setup_clocks(); -} - static void __init exynos5440_map_io(void) { iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0)); } -static void __init exynos5_init_clocks(int xtal) +void __init exynos_init_time(void) { - printk(KERN_DEBUG "%s: initializing clocks\n", __func__); - - /* EXYNOS5440 can support only common clock framework */ - - if (soc_is_exynos5440()) - return; - -#ifdef CONFIG_SOC_EXYNOS5250 - s3c24xx_register_baseclocks(xtal); - s5p_register_clocks(xtal); - - exynos5_register_clocks(); - exynos5_setup_clocks(); + if (of_have_populated_dt()) { +#ifdef CONFIG_OF + of_clk_init(NULL); + clocksource_of_init(); +#endif + } else { + /* todo: remove after migrating legacy E4 platforms to dt */ +#ifdef CONFIG_ARCH_EXYNOS4 + exynos4_clk_init(NULL); + exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f); #endif + mct_init(); + } } void __init exynos4_init_irq(void) @@ -824,6 +800,7 @@ static int __init exynos_init_irq_eint(void) static const struct of_device_id exynos_pinctrl_ids[] = { { .compatible = "samsung,exynos4210-pinctrl", }, { .compatible = "samsung,exynos4x12-pinctrl", }, + { .compatible = "samsung,exynos5250-pinctrl", }, }; struct device_node *pctrl_np, *wkup_np; const char *wkup_compat = "samsung,exynos4210-wakeup-eint"; @@ -877,3 +854,30 @@ static int __init exynos_init_irq_eint(void) return 0; } arch_initcall(exynos_init_irq_eint); + +static struct resource exynos4_pmu_resource[] = { + DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU), + DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU1), +#if defined(CONFIG_SOC_EXYNOS4412) + DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU2), + DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU3), +#endif +}; + +static struct platform_device exynos4_device_pmu = { + .name = "arm-pmu", + .num_resources = ARRAY_SIZE(exynos4_pmu_resource), + .resource = exynos4_pmu_resource, +}; + +static int __init exynos_armpmu_init(void) +{ + if (!of_have_populated_dt()) { + if (soc_is_exynos4210() || soc_is_exynos4212()) + exynos4_device_pmu.num_resources = 2; + platform_device_register(&exynos4_device_pmu); + } + + return 0; +} +arch_initcall(exynos_armpmu_init); |