Commit-ID: 48bc5562103412590e4487b666b49e7b6c84ba44
Gitweb: http://git.kernel.org/tip/48bc5562103412590e4487b666b49e7b6c84ba44
Author: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
AuthorDate: Wed, 16 Nov 2011 16:07:22 +0000
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 5 Dec 2011 12:42:11 +0100
x86,mrst: Power control commands update
On the Intel MID devices SCU commands are issued to manage power
off and the like. We need to issue different ones for
non-Lincroft based devices.
Signed-off-by: Alek Du <alek.du@xxxxxxxxx>
Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/include/asm/intel_scu_ipc.h | 14 +++++++++-----
arch/x86/platform/mrst/mrst.c | 25 ++++++++++++++-----------
2 files changed, 23 insertions(+), 16 deletions(-)
diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
index 4420993..925b605 100644
--- a/arch/x86/include/asm/intel_scu_ipc.h
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -3,11 +3,15 @@
#include <linux/notifier.h>
-#define IPCMSG_VRTC 0xFA /* Set vRTC device */
-
-/* Command id associated with message IPCMSG_VRTC */
-#define IPC_CMD_VRTC_SETTIME 1 /* Set time */
-#define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */
+#define IPCMSG_WARM_RESET 0xF0
+#define IPCMSG_COLD_RESET 0xF1
+#define IPCMSG_SOFT_RESET 0xF2
+#define IPCMSG_COLD_BOOT 0xF3
+
+#define IPCMSG_VRTC 0xFA /* Set vRTC device */
+ /* Command id associated with message IPCMSG_VRTC */
+ #define IPC_CMD_VRTC_SETTIME 1 /* Set time */
+ #define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */
/* Read single register */
int intel_scu_ipc_ioread8(u16 addr, u8 *data);
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index b1489a0..fedc3d7 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -76,6 +76,20 @@ struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX];
EXPORT_SYMBOL_GPL(sfi_mrtc_array);
int sfi_mrtc_num;
+static void mrst_power_off(void)
+{
+ if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
+ intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 1);
+}
+
+static void mrst_reboot(void)
+{
+ if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
+ intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 0);
+ else
+ intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
+}
+
/* parse all the mtimer info to a static mtimer array */
static int __init sfi_parse_mtmr(struct sfi_table_header *table)
{
@@ -265,17 +279,6 @@ 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 does not have external NMI source nor port 0x61 to report
* NMI status. The possible NMI sources are from pmu as a result of NMI
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|