diff options
Diffstat (limited to 'include/asm-arm/arch-s3c2410/system.h')
| -rw-r--r-- | include/asm-arm/arch-s3c2410/system.h | 46 |
1 files changed, 1 insertions, 45 deletions
diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h index 14de4e596f87..ad258085e53b 100644 --- a/include/asm-arm/arch-s3c2410/system.h +++ b/include/asm-arm/arch-s3c2410/system.h | |||
| @@ -17,12 +17,8 @@ | |||
| 17 | #include <asm/arch/idle.h> | 17 | #include <asm/arch/idle.h> |
| 18 | #include <asm/arch/reset.h> | 18 | #include <asm/arch/reset.h> |
| 19 | 19 | ||
| 20 | #include <asm/plat-s3c/regs-watchdog.h> | ||
| 21 | #include <asm/arch/regs-clock.h> | 20 | #include <asm/arch/regs-clock.h> |
| 22 | 21 | ||
| 23 | #include <linux/clk.h> | ||
| 24 | #include <linux/err.h> | ||
| 25 | |||
| 26 | void (*s3c24xx_idle)(void); | 22 | void (*s3c24xx_idle)(void); |
| 27 | void (*s3c24xx_reset_hook)(void); | 23 | void (*s3c24xx_reset_hook)(void); |
| 28 | 24 | ||
| @@ -59,44 +55,4 @@ static void arch_idle(void) | |||
| 59 | s3c24xx_default_idle(); | 55 | s3c24xx_default_idle(); |
| 60 | } | 56 | } |
| 61 | 57 | ||
| 62 | static void | 58 | #include <asm/arch/system-reset.h> |
| 63 | arch_reset(char mode) | ||
| 64 | { | ||
| 65 | struct clk *wdtclk; | ||
| 66 | |||
| 67 | if (mode == 's') { | ||
| 68 | cpu_reset(0); | ||
| 69 | } | ||
| 70 | |||
| 71 | if (s3c24xx_reset_hook) | ||
| 72 | s3c24xx_reset_hook(); | ||
| 73 | |||
| 74 | printk("arch_reset: attempting watchdog reset\n"); | ||
| 75 | |||
| 76 | __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ | ||
| 77 | |||
| 78 | wdtclk = clk_get(NULL, "watchdog"); | ||
| 79 | if (!IS_ERR(wdtclk)) { | ||
| 80 | clk_enable(wdtclk); | ||
| 81 | } else | ||
| 82 | printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); | ||
| 83 | |||
| 84 | /* put initial values into count and data */ | ||
| 85 | __raw_writel(0x80, S3C2410_WTCNT); | ||
| 86 | __raw_writel(0x80, S3C2410_WTDAT); | ||
| 87 | |||
| 88 | /* set the watchdog to go and reset... */ | ||
| 89 | __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN | | ||
| 90 | S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON); | ||
| 91 | |||
| 92 | /* wait for reset to assert... */ | ||
| 93 | mdelay(500); | ||
| 94 | |||
| 95 | printk(KERN_ERR "Watchdog reset failed to assert reset\n"); | ||
| 96 | |||
| 97 | /* delay to allow the serial port to show the message */ | ||
| 98 | mdelay(50); | ||
| 99 | |||
| 100 | /* we'll take a jump through zero as a poor second */ | ||
| 101 | cpu_reset(0); | ||
| 102 | } | ||
