msm-restart: support msm restart for mpq8092

enable restart callback for mpq8092 platform.

Change-Id: I29a68b65a860057882cc0fa5c9269edfda37ed3b
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>

arch/arm/mach-msm/Kconfig

@@ -329,6 +329,8 @@ config ARCH_MPQ8092
 	select ARM_GIC
 	select HAVE_ARM_ARCH_TIMER
 	select MULTI_IRQ_HANDLER
+	select MSM_NATIVE_RESTART
+	select MSM_RESTART_V2
 	select CPU_V7
 	select MSM_GPIOMUX
 	select MAY_HAVE_SPARSE_IRQ

arch/arm/mach-msm/board-8092.c

@@ -26,6 +26,7 @@
 #include <mach/clk-provider.h>
 #include <mach/msm_smem.h>
 #include <mach/msm_smd.h>
+#include <mach/restart.h>
 
 #include <linux/io.h>
 #include <linux/gpio.h>
@@ -131,5 +132,6 @@ DT_MACHINE_START(MSM8092_DT, "Qualcomm MSM 8092 (Flattened Device Tree)")
 	.dt_compat = mpq8092_dt_match,
 	.reserve = mpq8092_dt_reserve,
 	.init_very_early = mpq8092_early_memory,
+	.restart = msm_restart,
 	.smp = &msm8974_smp_ops,
 MACHINE_END

arch/arm/mach-msm/include/mach/msm_iomap-8092.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -31,6 +31,9 @@
 #define MPQ8092_TLMM_PHYS	0xFD510000
 #define MPQ8092_TLMM_SIZE	SZ_16K
 
+#define MPQ8092_MPM2_PSHOLD_PHYS	0xFC4AB000
+#define MPQ8092_MPM2_PSHOLD_SIZE	SZ_4K
+
 #ifdef CONFIG_DEBUG_MPQ8092_UART
 #define MSM_DEBUG_UART_BASE	IOMEM(0xFA71E000)
 #define MSM_DEBUG_UART_PHYS	0xF991E000

arch/arm/mach-msm/io.c

@@ -554,6 +554,7 @@ void __init msm_map_msmkrypton_io(void)
 #ifdef CONFIG_ARCH_MPQ8092
 static struct map_desc mpq8092_io_desc[] __initdata = {
 	MSM_CHIP_DEVICE(QGIC_DIST, MPQ8092),
+	MSM_CHIP_DEVICE(MPM2_PSHOLD, MPQ8092),
 	MSM_CHIP_DEVICE(TLMM, MPQ8092),
 	{
 		.virtual =  (unsigned long) MSM_SHARED_RAM_BASE,