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-rw-r--r--arch/arm/mach-s3c2410/include/mach/system.h54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/system.h b/arch/arm/mach-s3c2410/include/mach/system.h
deleted file mode 100644
index 5e215c1a5c8f..000000000000
--- a/arch/arm/mach-s3c2410/include/mach/system.h
+++ /dev/null
@@ -1,54 +0,0 @@
1/* arch/arm/mach-s3c2410/include/mach/system.h
2 *
3 * Copyright (c) 2003 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C2410 - System function defines and includes
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 <linux/io.h>
14#include <mach/hardware.h>
15
16#include <mach/map.h>
17#include <mach/idle.h>
18
19#include <mach/regs-clock.h>
20
21void (*s3c24xx_idle)(void);
22
23void s3c24xx_default_idle(void)
24{
25 unsigned long tmp;
26 int i;
27
28 /* idle the system by using the idle mode which will wait for an
29 * interrupt to happen before restarting the system.
30 */
31
32 /* Warning: going into idle state upsets jtag scanning */
33
34 __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
35 S3C2410_CLKCON);
36
37 /* the samsung port seems to do a loop and then unset idle.. */
38 for (i = 0; i < 50; i++) {
39 tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
40 }
41
42 /* this bit is not cleared on re-start... */
43
44 __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
45 S3C2410_CLKCON);
46}
47
48static void arch_idle(void)
49{
50 if (s3c24xx_idle != NULL)
51 (s3c24xx_idle)();
52 else
53 s3c24xx_default_idle();
54}