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Commit cfb505a7 authored by Alek Du's avatar Alek Du Committed by Thomas Gleixner
Browse files

x86: mrst: Add Moorestown specific reboot/shutdown support 



Moorestowns needs to use a special IPC command to reboot or shutdown the
platform.

Signed-off-by: default avatarAlek Du <alek.du@intel.com>
Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
LKML-Reference: <20101110164928.6365.94243.stgit@localhost.localdomain>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 7f05dec3

arch/x86/platform/mrst/mrst.c

+16 −0
Original line number Original line Diff line number Diff line
@@ -35,6 +35,7 @@ 
#include <asm/i8259.h>

#include <asm/i8259.h>

#include <asm/intel_scu_ipc.h>

#include <asm/intel_scu_ipc.h>

#include <asm/apb_timer.h>

#include <asm/apb_timer.h>

#include <asm/reboot.h>









/*

/*
@@ -268,6 +269,17 @@ static int mrst_i8042_detect(void) 
	return 0;

	return 0;

}

}





/* Reboot and power off are handled by the SCU on a MID device */

static void mrst_power_off(void)

{

	intel_scu_ipc_simple_command(0xf1, 1);

}



static void mrst_reboot(void)

{

	intel_scu_ipc_simple_command(0xf1, 0);

}



/*

/*

 * Moorestown specific x86_init function overrides and early setup

 * Moorestown specific x86_init function overrides and early setup

 * calls.

 * calls.
@@ -293,6 +305,10 @@ void __init x86_mrst_early_setup(void) 




	legacy_pic = &null_legacy_pic;

	legacy_pic = &null_legacy_pic;





	/* Moorestown specific power_off/restart method */

	pm_power_off = mrst_power_off;

	machine_ops.emergency_restart  = mrst_reboot;



	/* Avoid searching for BIOS MP tables */

	/* Avoid searching for BIOS MP tables */

	x86_init.mpparse.find_smp_config = x86_init_noop;

	x86_init.mpparse.find_smp_config = x86_init_noop;

	x86_init.mpparse.get_smp_config = x86_init_uint_noop;

	x86_init.mpparse.get_smp_config = x86_init_uint_noop;