diff options
Diffstat (limited to 'arch/sparc/kernel/reboot.c')
| -rw-r--r-- | arch/sparc/kernel/reboot.c | 53 | 
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/sparc/kernel/reboot.c b/arch/sparc/kernel/reboot.c new file mode 100644 index 00000000000..ef89d3d6974 --- /dev/null +++ b/arch/sparc/kernel/reboot.c @@ -0,0 +1,53 @@ +/* reboot.c: reboot/shutdown/halt/poweroff handling + * + * Copyright (C) 2008 David S. Miller <davem@davemloft.net> + */ +#include <linux/kernel.h> +#include <linux/reboot.h> +#include <linux/module.h> +#include <linux/pm.h> + +#include <asm/system.h> +#include <asm/oplib.h> +#include <asm/prom.h> + +/* sysctl - toggle power-off restriction for serial console + * systems in machine_power_off() + */ +int scons_pwroff = 1; + +/* This isn't actually used, it exists merely to satisfy the + * reference in kernel/sys.c + */ +void (*pm_power_off)(void) = machine_power_off; +EXPORT_SYMBOL(pm_power_off); + +void machine_power_off(void) +{ +	if (strcmp(of_console_device->type, "serial") || scons_pwroff) +		prom_halt_power_off(); + +	prom_halt(); +} + +void machine_halt(void) +{ +	prom_halt(); +	panic("Halt failed!"); +} + +void machine_restart(char *cmd) +{ +	char *p; + +	p = strchr(reboot_command, '\n'); +	if (p) +		*p = 0; +	if (cmd) +		prom_reboot(cmd); +	if (*reboot_command) +		prom_reboot(reboot_command); +	prom_reboot(""); +	panic("Reboot failed!"); +} +  |