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[POWERPC] maple: Use RTAS for reboot and halt 

On maple, use the RTAS "system-reboot" and "power-off" methods if they
are available.

Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Nathan Lynch 2006-12-06 18:50:46 -06:00 committed by Paul Mackerras
parent f2d6d2d8bb
commit 9e254c45fb
1 changed files with 12 additions and 0 deletions
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12
arch/powerpc/platforms/maple/setup.c
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@ -60,6 +60,7 @@
#include <asm/of_device.h> #include <asm/of_device.h>
#include <asm/lmb.h> #include <asm/lmb.h>
#include <asm/mpic.h> #include <asm/mpic.h>
#include <asm/rtas.h>
#include <asm/udbg.h> #include <asm/udbg.h>
#include "maple.h" #include "maple.h"
@ -166,6 +167,16 @@ struct smp_ops_t maple_smp_ops = {
}; };
#endif /* CONFIG_SMP */ #endif /* CONFIG_SMP */
static void __init maple_use_rtas_reboot_and_halt_if_present(void)
{
if (rtas_service_present("system-reboot") &&
rtas_service_present("power-off")) {
ppc_md.restart = rtas_restart;
ppc_md.power_off = rtas_power_off;
ppc_md.halt = rtas_halt;
}
}
void __init maple_setup_arch(void) void __init maple_setup_arch(void)
{ {
/* init to some ~sane value until calibrate_delay() runs */ /* init to some ~sane value until calibrate_delay() runs */
@ -181,6 +192,7 @@ void __init maple_setup_arch(void)
#ifdef CONFIG_DUMMY_CONSOLE #ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con; conswitchp = &dummy_con;
#endif #endif
maple_use_rtas_reboot_and_halt_if_present();
printk(KERN_DEBUG "Using native/NAP idle loop\n"); printk(KERN_DEBUG "Using native/NAP idle loop\n");
} }