diff options
Diffstat (limited to 'include/asm-arm/arch-s3c2410/system-reset.h')
-rw-r--r-- | include/asm-arm/arch-s3c2410/system-reset.h | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/include/asm-arm/arch-s3c2410/system-reset.h b/include/asm-arm/arch-s3c2410/system-reset.h deleted file mode 100644 index beeec77..0000000 --- a/include/asm-arm/arch-s3c2410/system-reset.h +++ /dev/null @@ -1,64 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/system-reset.h - * - * Copyright (c) 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410 - System define for arch_reset() function - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <asm/arch/hardware.h> -#include <asm/io.h> - -#include <asm/plat-s3c/regs-watchdog.h> -#include <asm/arch/regs-clock.h> - -#include <linux/clk.h> -#include <linux/err.h> - -extern void (*s3c24xx_reset_hook)(void); - -static void -arch_reset(char mode) -{ - struct clk *wdtclk; - - if (mode == 's') { - cpu_reset(0); - } - - if (s3c24xx_reset_hook) - s3c24xx_reset_hook(); - - printk("arch_reset: attempting watchdog reset\n"); - - __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ - - wdtclk = clk_get(NULL, "watchdog"); - if (!IS_ERR(wdtclk)) { - clk_enable(wdtclk); - } else - printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); - - /* put initial values into count and data */ - __raw_writel(0x80, S3C2410_WTCNT); - __raw_writel(0x80, S3C2410_WTDAT); - - /* set the watchdog to go and reset... */ - __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN | - S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON); - - /* wait for reset to assert... */ - mdelay(500); - - printk(KERN_ERR "Watchdog reset failed to assert reset\n"); - - /* delay to allow the serial port to show the message */ - mdelay(50); - - /* we'll take a jump through zero as a poor second */ - cpu_reset(0); -} |