diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/s3c2412.c')
| -rw-r--r-- | arch/arm/mach-s3c24xx/s3c2412.c | 80 |
1 files changed, 19 insertions, 61 deletions
diff --git a/arch/arm/mach-s3c24xx/s3c2412.c b/arch/arm/mach-s3c24xx/s3c2412.c index d4bc7f960bb..d49f52fbc84 100644 --- a/arch/arm/mach-s3c24xx/s3c2412.c +++ b/arch/arm/mach-s3c24xx/s3c2412.c @@ -1,5 +1,4 @@ -/* linux/arch/arm/mach-s3c2412/s3c2412.c - * +/* * Copyright (c) 2006 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * @@ -21,36 +20,38 @@ #include <linux/device.h> #include <linux/syscore_ops.h> #include <linux/serial_core.h> +#include <linux/serial_s3c.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/reboot.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <mach/hardware.h> #include <asm/proc-fns.h> #include <asm/irq.h> #include <asm/system_misc.h> -#include <plat/cpu-freq.h> - +#include <mach/hardware.h> #include <mach/regs-clock.h> -#include <plat/regs-serial.h> -#include <mach/regs-power.h> #include <mach/regs-gpio.h> -#include <mach/regs-gpioj.h> -#include <mach/regs-dsc.h> -#include <plat/regs-spi.h> -#include <mach/regs-s3c2412.h> -#include <plat/s3c2412.h> +#include <plat/clock.h> #include <plat/cpu.h> +#include <plat/cpu-freq.h> #include <plat/devs.h> -#include <plat/clock.h> -#include <plat/pm.h> -#include <plat/pll.h> #include <plat/nand-core.h> +#include <plat/pll.h> +#include <plat/pm.h> +#include <plat/regs-spi.h> + +#include "common.h" +#include "regs-dsc.h" +#include "s3c2412-power.h" + +#define S3C2412_SWRST (S3C24XX_VA_CLKPWR + 0x30) +#define S3C2412_SWRST_RESET (0x533C2412) #ifndef CONFIG_CPU_S3C2412_ONLY void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO; @@ -129,9 +130,9 @@ static void s3c2412_idle(void) cpu_do_idle(); } -void s3c2412_restart(char mode, const char *cmd) +void s3c2412_restart(enum reboot_mode mode, const char *cmd) { - if (mode == 's') + if (mode == REBOOT_SOFT) soft_restart(0); /* errata "Watch-dog/Software Reset Problem" specifies that @@ -172,49 +173,6 @@ void __init s3c2412_map_io(void) void __init_or_cpufreq s3c2412_setup_clocks(void) { - struct clk *xtal_clk; - unsigned long tmp; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long pclk; - - xtal_clk = clk_get(NULL, "xtal"); - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - /* now we've got our machine bits initialised, work out what - * clocks we've got */ - - fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal * 2); - - clk_mpll.rate = fclk; - - tmp = __raw_readl(S3C2410_CLKDIVN); - - /* work out clock scalings */ - - hclk = fclk / ((tmp & S3C2412_CLKDIVN_HDIVN_MASK) + 1); - hclk /= ((tmp & S3C2412_CLKDIVN_ARMDIVN) ? 2 : 1); - pclk = hclk / ((tmp & S3C2412_CLKDIVN_PDIVN) ? 2 : 1); - - /* print brieft summary of clocks, etc */ - - printk("S3C2412: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n", - print_mhz(fclk), print_mhz(hclk), print_mhz(pclk)); - - s3c24xx_setup_clocks(fclk, hclk, pclk); -} - -void __init s3c2412_init_clocks(int xtal) -{ - /* initialise the clocks here, to allow other things like the - * console to use them - */ - - s3c24xx_register_baseclocks(xtal); - s3c2412_setup_clocks(); - s3c2412_baseclk_add(); } /* need to register the subsystem before we actually register the device, and @@ -245,8 +203,8 @@ int __init s3c2412_init(void) #ifdef CONFIG_PM register_syscore_ops(&s3c2412_pm_syscore_ops); -#endif register_syscore_ops(&s3c24xx_irq_syscore_ops); +#endif return device_register(&s3c2412_dev); } |