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Diffstat (limited to 'include/asm-arm/arch-s3c2410/system-reset.h')
-rw-r--r--include/asm-arm/arch-s3c2410/system-reset.h64
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 beeec770dcf7..000000000000
--- a/include/asm-arm/arch-s3c2410/system-reset.h
+++ /dev/null
@@ -1,64 +0,0 @@
1/* linux/include/asm-arm/arch-s3c2410/system-reset.h
2 *
3 * Copyright (c) 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C2410 - System define for arch_reset() function
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#include <asm/arch/hardware.h>
14#include <asm/io.h>
15
16#include <asm/plat-s3c/regs-watchdog.h>
17#include <asm/arch/regs-clock.h>
18
19#include <linux/clk.h>
20#include <linux/err.h>
21
22extern void (*s3c24xx_reset_hook)(void);
23
24static void
25arch_reset(char mode)
26{
27 struct clk *wdtclk;
28
29 if (mode == 's') {
30 cpu_reset(0);
31 }
32
33 if (s3c24xx_reset_hook)
34 s3c24xx_reset_hook();
35
36 printk("arch_reset: attempting watchdog reset\n");
37
38 __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */
39
40 wdtclk = clk_get(NULL, "watchdog");
41 if (!IS_ERR(wdtclk)) {
42 clk_enable(wdtclk);
43 } else
44 printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
45
46 /* put initial values into count and data */
47 __raw_writel(0x80, S3C2410_WTCNT);
48 __raw_writel(0x80, S3C2410_WTDAT);
49
50 /* set the watchdog to go and reset... */
51 __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
52 S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
53
54 /* wait for reset to assert... */
55 mdelay(500);
56
57 printk(KERN_ERR "Watchdog reset failed to assert reset\n");
58
59 /* delay to allow the serial port to show the message */
60 mdelay(50);
61
62 /* we'll take a jump through zero as a poor second */
63 cpu_reset(0);
64}