diff options
Diffstat (limited to 'arch/arm/mach-s5p64x0/common.c')
| -rw-r--r-- | arch/arm/mach-s5p64x0/common.c | 77 |
1 files changed, 60 insertions, 17 deletions
diff --git a/arch/arm/mach-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c index 52b89a37644..9a43be002d7 100644 --- a/arch/arm/mach-s5p64x0/common.c +++ b/arch/arm/mach-s5p64x0/common.c @@ -19,14 +19,18 @@ #include <linux/io.h> #include <linux/device.h> #include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <clocksource/samsung_pwm.h> #include <linux/platform_device.h> #include <linux/sched.h> #include <linux/dma-mapping.h> #include <linux/gpio.h> #include <linux/irq.h> +#include <linux/reboot.h> #include <asm/irq.h> #include <asm/proc-fns.h> +#include <asm/system_misc.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> @@ -43,9 +47,10 @@ #include <plat/sdhci.h> #include <plat/adc-core.h> #include <plat/fb-core.h> +#include <plat/spi-core.h> #include <plat/gpio-cfg.h> +#include <plat/pwm-core.h> #include <plat/regs-irqtype.h> -#include <plat/regs-serial.h> #include <plat/watchdog-reset.h> #include "common.h" @@ -146,15 +151,36 @@ static void s5p64x0_idle(void) { unsigned long val; - if (!need_resched()) { - val = __raw_readl(S5P64X0_PWR_CFG); - val &= ~(0x3 << 5); - val |= (0x1 << 5); - __raw_writel(val, S5P64X0_PWR_CFG); + val = __raw_readl(S5P64X0_PWR_CFG); + val &= ~(0x3 << 5); + val |= (0x1 << 5); + __raw_writel(val, S5P64X0_PWR_CFG); - cpu_do_idle(); - } - local_irq_enable(); + cpu_do_idle(); +} + +static struct samsung_pwm_variant s5p64x0_pwm_variant = { + .bits = 32, + .div_base = 0, + .has_tint_cstat = true, + .tclk_mask = 0, +}; + +void __init samsung_set_timer_source(unsigned int event, unsigned int source) +{ + s5p64x0_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1; + s5p64x0_pwm_variant.output_mask &= ~(BIT(event) | BIT(source)); +} + +void __init samsung_timer_init(void) +{ + unsigned int timer_irqs[SAMSUNG_PWM_NUM] = { + IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC, + IRQ_TIMER3_VIC, IRQ_TIMER4_VIC, + }; + + samsung_pwm_clocksource_init(S3C_VA_TIMER, + timer_irqs, &s5p64x0_pwm_variant); } /* @@ -174,42 +200,49 @@ void __init s5p64x0_init_io(struct map_desc *mach_desc, int size) s5p_init_cpu(S5P64X0_SYS_ID); s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); + samsung_wdt_reset_init(S3C_VA_WATCHDOG); + + samsung_pwm_set_platdata(&s5p64x0_pwm_variant); } +#ifdef CONFIG_CPU_S5P6440 void __init s5p6440_map_io(void) { /* initialize any device information early */ s3c_adc_setname("s3c64xx-adc"); s3c_fb_setname("s5p64x0-fb"); + s3c64xx_spi_setname("s5p64x0-spi"); s5p64x0_default_sdhci0(); s5p64x0_default_sdhci1(); s5p6440_default_sdhci2(); iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc)); - init_consistent_dma_size(SZ_8M); } +#endif +#ifdef CONFIG_CPU_S5P6450 void __init s5p6450_map_io(void) { /* initialize any device information early */ s3c_adc_setname("s3c64xx-adc"); s3c_fb_setname("s5p64x0-fb"); + s3c64xx_spi_setname("s5p64x0-spi"); s5p64x0_default_sdhci0(); s5p64x0_default_sdhci1(); s5p6450_default_sdhci2(); iotable_init(s5p6450_iodesc, ARRAY_SIZE(s5p6450_iodesc)); - init_consistent_dma_size(SZ_8M); } +#endif /* * s5p64x0_init_clocks * * register and setup the CPU clocks */ - +#ifdef CONFIG_CPU_S5P6440 void __init s5p6440_init_clocks(int xtal) { printk(KERN_DEBUG "%s: initializing clocks\n", __func__); @@ -219,7 +252,9 @@ void __init s5p6440_init_clocks(int xtal) s5p6440_register_clocks(); s5p6440_setup_clocks(); } +#endif +#ifdef CONFIG_CPU_S5P6450 void __init s5p6450_init_clocks(int xtal) { printk(KERN_DEBUG "%s: initializing clocks\n", __func__); @@ -229,13 +264,14 @@ void __init s5p6450_init_clocks(int xtal) s5p6450_register_clocks(); s5p6450_setup_clocks(); } +#endif /* * s5p64x0_init_irq * * register the CPU interrupts */ - +#ifdef CONFIG_CPU_S5P6440 void __init s5p6440_init_irq(void) { /* S5P6440 supports 2 VIC */ @@ -250,7 +286,9 @@ void __init s5p6440_init_irq(void) s5p_init_irq(vic, ARRAY_SIZE(vic)); } +#endif +#ifdef CONFIG_CPU_S5P6450 void __init s5p6450_init_irq(void) { /* S5P6450 supports only 2 VIC */ @@ -265,6 +303,7 @@ void __init s5p6450_init_irq(void) s5p_init_irq(vic, ARRAY_SIZE(vic)); } +#endif struct bus_type s5p64x0_subsys = { .name = "s5p64x0-core", @@ -286,12 +325,13 @@ int __init s5p64x0_init(void) printk(KERN_INFO "S5P64X0(S5P6440/S5P6450): Initializing architecture\n"); /* set idle function */ - pm_idle = s5p64x0_idle; + arm_pm_idle = s5p64x0_idle; return device_register(&s5p64x0_dev); } /* uart registration process */ +#ifdef CONFIG_CPU_S5P6440 void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no) { int uart; @@ -303,11 +343,14 @@ void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no) s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no); } +#endif +#ifdef CONFIG_CPU_S5P6450 void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no) { s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no); } +#endif #define eint_offset(irq) ((irq) - IRQ_EINT(0)) @@ -438,10 +481,10 @@ static int __init s5p64x0_init_irq_eint(void) } arch_initcall(s5p64x0_init_irq_eint); -void s5p64x0_restart(char mode, const char *cmd) +void s5p64x0_restart(enum reboot_mode mode, const char *cmd) { - if (mode != 's') - arch_wdt_reset(); + if (mode != REBOOT_SOFT) + samsung_wdt_reset(); soft_restart(0); } |