diff options
Diffstat (limited to 'arch/arm/kernel/process.c')
-rw-r--r-- | arch/arm/kernel/process.c | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 7df6e1aaa323..17c38dbf2f3c 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c | |||
@@ -28,6 +28,7 @@ | |||
28 | #include <linux/init.h> | 28 | #include <linux/init.h> |
29 | #include <linux/cpu.h> | 29 | #include <linux/cpu.h> |
30 | #include <linux/elfcore.h> | 30 | #include <linux/elfcore.h> |
31 | #include <linux/pm.h> | ||
31 | 32 | ||
32 | #include <asm/leds.h> | 33 | #include <asm/leds.h> |
33 | #include <asm/processor.h> | 34 | #include <asm/processor.h> |
@@ -71,8 +72,36 @@ static int __init hlt_setup(char *__unused) | |||
71 | __setup("nohlt", nohlt_setup); | 72 | __setup("nohlt", nohlt_setup); |
72 | __setup("hlt", hlt_setup); | 73 | __setup("hlt", hlt_setup); |
73 | 74 | ||
75 | void arm_machine_restart(char mode) | ||
76 | { | ||
77 | /* | ||
78 | * Clean and disable cache, and turn off interrupts | ||
79 | */ | ||
80 | cpu_proc_fin(); | ||
81 | |||
82 | /* | ||
83 | * Tell the mm system that we are going to reboot - | ||
84 | * we may need it to insert some 1:1 mappings so that | ||
85 | * soft boot works. | ||
86 | */ | ||
87 | setup_mm_for_reboot(mode); | ||
88 | |||
89 | /* | ||
90 | * Now call the architecture specific reboot code. | ||
91 | */ | ||
92 | arch_reset(mode); | ||
93 | |||
94 | /* | ||
95 | * Whoops - the architecture was unable to reboot. | ||
96 | * Tell the user! | ||
97 | */ | ||
98 | mdelay(1000); | ||
99 | printk("Reboot failed -- System halted\n"); | ||
100 | while (1); | ||
101 | } | ||
102 | |||
74 | /* | 103 | /* |
75 | * The following aren't currently used. | 104 | * Function pointers to optional machine specific functions |
76 | */ | 105 | */ |
77 | void (*pm_idle)(void); | 106 | void (*pm_idle)(void); |
78 | EXPORT_SYMBOL(pm_idle); | 107 | EXPORT_SYMBOL(pm_idle); |
@@ -80,6 +109,10 @@ EXPORT_SYMBOL(pm_idle); | |||
80 | void (*pm_power_off)(void); | 109 | void (*pm_power_off)(void); |
81 | EXPORT_SYMBOL(pm_power_off); | 110 | EXPORT_SYMBOL(pm_power_off); |
82 | 111 | ||
112 | void (*arm_pm_restart)(char str) = arm_machine_restart; | ||
113 | EXPORT_SYMBOL_GPL(arm_pm_restart); | ||
114 | |||
115 | |||
83 | /* | 116 | /* |
84 | * This is our default idle handler. We need to disable | 117 | * This is our default idle handler. We need to disable |
85 | * interrupts here to ensure we don't miss a wakeup call. | 118 | * interrupts here to ensure we don't miss a wakeup call. |
@@ -151,33 +184,9 @@ void machine_power_off(void) | |||
151 | pm_power_off(); | 184 | pm_power_off(); |
152 | } | 185 | } |
153 | 186 | ||
154 | |||
155 | void machine_restart(char * __unused) | 187 | void machine_restart(char * __unused) |
156 | { | 188 | { |
157 | /* | 189 | arm_pm_restart(reboot_mode); |
158 | * Clean and disable cache, and turn off interrupts | ||
159 | */ | ||
160 | cpu_proc_fin(); | ||
161 | |||
162 | /* | ||
163 | * Tell the mm system that we are going to reboot - | ||
164 | * we may need it to insert some 1:1 mappings so that | ||
165 | * soft boot works. | ||
166 | */ | ||
167 | setup_mm_for_reboot(reboot_mode); | ||
168 | |||
169 | /* | ||
170 | * Now call the architecture specific reboot code. | ||
171 | */ | ||
172 | arch_reset(reboot_mode); | ||
173 | |||
174 | /* | ||
175 | * Whoops - the architecture was unable to reboot. | ||
176 | * Tell the user! | ||
177 | */ | ||
178 | mdelay(1000); | ||
179 | printk("Reboot failed -- System halted\n"); | ||
180 | while (1); | ||
181 | } | 190 | } |
182 | 191 | ||
183 | void __show_regs(struct pt_regs *regs) | 192 | void __show_regs(struct pt_regs *regs) |