config ARCH_S3C24XX
bool "Samsung S3C24XX SoCs"
select ARCH_HAS_CPUFREQ
- select ARCH_USES_GETTIMEOFFSET
select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
+ select GENERIC_CLOCKEVENTS
+ select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
bool "Samsung S3C64XX"
select ARCH_HAS_CPUFREQ
select ARCH_REQUIRE_GPIOLIB
- select ARCH_USES_GETTIMEOFFSET
select ARM_VIC
select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select CPU_V6
+ select GENERIC_CLOCKEVENTS
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
config ARCH_S5PC100
bool "Samsung S5PC100"
- select ARCH_USES_GETTIMEOFFSET
select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select CPU_V7
+ select GENERIC_CLOCKEVENTS
+ select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_SPARSEMEM_ENABLE
select CLKDEV_LOOKUP
+ select COMMON_CLK
select CPU_V7
select GENERIC_CLOCKEVENTS
select HAVE_CLK
default 8
config IWMMXT
- bool "Enable iWMMXt support"
+ bool "Enable iWMMXt support" if !CPU_PJ4
depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
- default y if PXA27x || PXA3xx || ARCH_MMP
+ default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
help
Enable support for iWMMXt context switching at run time if
running on a CPU that supports it.
to deadlock. This workaround puts DSB before executing ISB if
an abort may occur on cache maintenance.
+config ARM_ERRATA_798181
+ bool "ARM errata: TLBI/DSB failure on Cortex-A15"
+ depends on CPU_V7 && SMP
+ help
+ On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
+ adequately shooting down all use of the old entries. This
+ option enables the Linux kernel workaround for this erratum
+ which sends an IPI to the CPUs that are running the same ASID
+ as the one being invalidated.
+
endmenu
source "arch/arm/common/Kconfig"
bool "Use local timer interrupts"
depends on SMP
default y
- select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT)
+ select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !CLKSRC_EXYNOS_MCT)
help
Enable support for local timers on SMP platforms, rather then the
legacy IPI broadcast method. Local timers allows the system
#include <linux/irqdomain.h>
#include <linux/irqchip.h>
#include <linux/of_address.h>
+ #include <linux/clocksource.h>
+ #include <linux/clk-provider.h>
#include <linux/irqchip/arm-gic.h>
#include <asm/proc-fns.h>
#include <mach/regs-gpio.h>
#include <plat/cpu.h>
- #include <plat/clock.h>
#include <plat/devs.h>
#include <plat/pm.h>
#include <plat/sdhci.h>
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,
.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,
.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,
.idcode = EXYNOS5250_SOC_ID,
.idmask = EXYNOS5_SOC_MASK,
.map_io = exynos5_map_io,
- .init_clocks = exynos5_init_clocks,
.init = exynos_init,
.name = name_exynos5250,
}, {
.pfn = __phys_to_pfn(EXYNOS5_PA_SROMC),
.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),
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)
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";
#include <plat/cpu.h>
#include <plat/regs-irqtype.h>
#include <plat/pm.h>
- #include <plat/irq.h>
#define S3C_IRQTYPE_NONE 0
#define S3C_IRQTYPE_EINT 1
return 0;
}
- /* FIXME: make static when it's out of plat-samsung/irq.h */
- int s3c_irqext_type(struct irq_data *data, unsigned int type)
+ static int s3c_irqext_type(struct irq_data *data, unsigned int type)
{
void __iomem *extint_reg;
void __iomem *gpcon_reg;
extint_offset, type);
}
- struct irq_chip s3c_irq_chip = {
+ static struct irq_chip s3c_irq_chip = {
.name = "s3c",
.irq_ack = s3c_irq_ack,
.irq_mask = s3c_irq_mask,
.irq_set_wake = s3c_irq_wake
};
- struct irq_chip s3c_irq_level_chip = {
+ static struct irq_chip s3c_irq_level_chip = {
.name = "s3c-level",
.irq_mask = s3c_irq_mask,
.irq_unmask = s3c_irq_unmask,
base = (void *)0xfd000000;
intc->reg_mask = base + 0xa4;
- intc->reg_pending = base + 0x08;
+ intc->reg_pending = base + 0xa8;
irq_num = 20;
irq_start = S3C2410_IRQ(32);
irq_offset = 4;
projects / karo-tx-linux.git / commitdiff