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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
commit59b8175c771040afcd4ad67022b0cc80c216b866 (patch)
tree4ef5935bee1e342716d49b9d4b99e3fa835526e6 /include/asm-arm/arch-s3c2410/system.h
parent920841d8d1d61bc12b43f95a579a5374f6d98f81 (diff)
parent3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits) [ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports [ARM] 4140/1: AACI stability add ac97 timeout and retries [ARM] 4139/1: AACI record support [ARM] 4138/1: AACI: multiple channel support for IRQ handling [ARM] 4211/1: Provide a defconfig for ns9xxx [ARM] 4210/1: base for new machine type "NetSilicon NS9360" [ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM [ARM] 4221/1: S3C2443: DMA support [ARM] 4220/1: S3C24XX: DMA system initialised from sysdev [ARM] 4219/1: S3C2443: DMA source definitions [ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443 [ARM] 4217/1: S3C24XX: remove the dma channel show at startup [ARM] 4090/2: avoid clash between PXA and SA1111 defines [ARM] 4216/1: add .gitignore entries for ARM specific files [ARM] 4214/2: S3C2410: Add Armzone QT2410 [ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw [ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST [ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos [ARM] 4137/1: Add kexec support [ARM] 4201/1: SMP barriers pair needed for the secondary boot process ... Fix up conflict due to typedef removal in sound/arm/aaci.h
Diffstat (limited to 'include/asm-arm/arch-s3c2410/system.h')
-rw-r--r--include/asm-arm/arch-s3c2410/system.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h
index ecf250db45fb..1c74ef17da33 100644
--- a/include/asm-arm/arch-s3c2410/system.h
+++ b/include/asm-arm/arch-s3c2410/system.h
@@ -15,15 +15,16 @@
15 15
16#include <asm/arch/map.h> 16#include <asm/arch/map.h>
17#include <asm/arch/idle.h> 17#include <asm/arch/idle.h>
18#include <asm/arch/reset.h>
18 19
19#include <asm/arch/regs-watchdog.h> 20#include <asm/arch/regs-watchdog.h>
20#include <asm/arch/regs-clock.h> 21#include <asm/arch/regs-clock.h>
21 22
22void (*s3c24xx_idle)(void); 23void (*s3c24xx_idle)(void);
24void (*s3c24xx_reset_hook)(void);
23 25
24void s3c24xx_default_idle(void) 26void s3c24xx_default_idle(void)
25{ 27{
26 void __iomem *reg = S3C2410_CLKCON;
27 unsigned long tmp; 28 unsigned long tmp;
28 int i; 29 int i;
29 30
@@ -33,16 +34,18 @@ void s3c24xx_default_idle(void)
33 34
34 /* Warning: going into idle state upsets jtag scanning */ 35 /* Warning: going into idle state upsets jtag scanning */
35 36
36 __raw_writel(__raw_readl(reg) | (1<<2), reg); 37 __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
38 S3C2410_CLKCON);
37 39
38 /* the samsung port seems to do a loop and then unset idle.. */ 40 /* the samsung port seems to do a loop and then unset idle.. */
39 for (i = 0; i < 50; i++) { 41 for (i = 0; i < 50; i++) {
40 tmp += __raw_readl(reg); /* ensure loop not optimised out */ 42 tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
41 } 43 }
42 44
43 /* this bit is not cleared on re-start... */ 45 /* this bit is not cleared on re-start... */
44 46
45 __raw_writel(__raw_readl(reg) & ~(1<<2), reg); 47 __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
48 S3C2410_CLKCON);
46} 49}
47 50
48static void arch_idle(void) 51static void arch_idle(void)
@@ -53,7 +56,6 @@ static void arch_idle(void)
53 s3c24xx_default_idle(); 56 s3c24xx_default_idle();
54} 57}
55 58
56
57static void 59static void
58arch_reset(char mode) 60arch_reset(char mode)
59{ 61{
@@ -61,6 +63,9 @@ arch_reset(char mode)
61 cpu_reset(0); 63 cpu_reset(0);
62 } 64 }
63 65
66 if (s3c24xx_reset_hook)
67 s3c24xx_reset_hook();
68
64 printk("arch_reset: attempting watchdog reset\n"); 69 printk("arch_reset: attempting watchdog reset\n");
65 70
66 __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ 71 __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */