diff options
Diffstat (limited to 'include/asm-arm/arch-s3c2410/system.h')
-rw-r--r-- | include/asm-arm/arch-s3c2410/system.h | 15 |
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 | ||
22 | void (*s3c24xx_idle)(void); | 23 | void (*s3c24xx_idle)(void); |
24 | void (*s3c24xx_reset_hook)(void); | ||
23 | 25 | ||
24 | void s3c24xx_default_idle(void) | 26 | void 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 | ||
48 | static void arch_idle(void) | 51 | static 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 | |||
57 | static void | 59 | static void |
58 | arch_reset(char mode) | 60 | arch_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 */ |