aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-s3c2410/system.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-s3c2410/system.h')
-rw-r--r--include/asm-arm/arch-s3c2410/system.h88
1 files changed, 0 insertions, 88 deletions
diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h
deleted file mode 100644
index 1c74ef17da3..00000000000
--- a/include/asm-arm/arch-s3c2410/system.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/* linux/include/asm-arm/arch-s3c2410/system.h
- *
- * Copyright (c) 2003 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 - System function defines and includes
- *
- * 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/hardware.h>
-#include <asm/io.h>
-
-#include <asm/arch/map.h>
-#include <asm/arch/idle.h>
-#include <asm/arch/reset.h>
-
-#include <asm/arch/regs-watchdog.h>
-#include <asm/arch/regs-clock.h>
-
-void (*s3c24xx_idle)(void);
-void (*s3c24xx_reset_hook)(void);
-
-void s3c24xx_default_idle(void)
-{
- unsigned long tmp;
- int i;
-
- /* idle the system by using the idle mode which will wait for an
- * interrupt to happen before restarting the system.
- */
-
- /* Warning: going into idle state upsets jtag scanning */
-
- __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
- S3C2410_CLKCON);
-
- /* the samsung port seems to do a loop and then unset idle.. */
- for (i = 0; i < 50; i++) {
- tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
- }
-
- /* this bit is not cleared on re-start... */
-
- __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
- S3C2410_CLKCON);
-}
-
-static void arch_idle(void)
-{
- if (s3c24xx_idle != NULL)
- (s3c24xx_idle)();
- else
- s3c24xx_default_idle();
-}
-
-static void
-arch_reset(char mode)
-{
- 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 */
-
- /* put initial values into count and data */
- __raw_writel(0x100, S3C2410_WTCNT);
- __raw_writel(0x100, 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(5000);
-
- printk(KERN_ERR "Watchdog reset failed to assert reset\n");
-
- /* we'll take a jump through zero as a poor second */
- cpu_reset(0);
-}