diff options
| author | Alek Du <alek.du@intel.com> | 2010-11-10 16:50:08 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-11-11 11:34:27 +0100 |
| commit | cfb505a7ebd4c84206b4cc7d9f966d864a2ac05a (patch) | |
| tree | a17a5f480539dd4604b1026d411199040b845079 /arch/x86/platform/mrst/mrst.c | |
| parent | 7f05dec3dd70f086870fdc1d40dbe30db1fe0994 (diff) | |
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: Alek Du <alek.du@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
LKML-Reference: <20101110164928.6365.94243.stgit@localhost.localdomain>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/platform/mrst/mrst.c')
| -rw-r--r-- | arch/x86/platform/mrst/mrst.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index e6f4473fc05b..c727d97f7f31 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -35,6 +35,7 @@ #include <asm/i8259.h> #include <asm/intel_scu_ipc.h> #include <asm/apb_timer.h> +#include <asm/reboot.h> /* @@ -268,6 +269,17 @@ static int mrst_i8042_detect(void) 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 * calls. @@ -293,6 +305,10 @@ void __init x86_mrst_early_setup(void) 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 */ x86_init.mpparse.find_smp_config = x86_init_noop; x86_init.mpparse.get_smp_config = x86_init_uint_noop; |