[ARM] mmp: add support for Marvell MMP2

Marvell MMP2 (aka ARMADA610) is a SoC based on PJ4 core. It's
ARMv6 compatible.  Support basic interrupt handler and timer,
and basic support for MMP2 based FLINT platform.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/Kconfig

@@ -497,7 +497,7 @@ config ARCH_ORION5X
 	  Orion-2 (5281), Orion-1-90 (6183).
 
 config ARCH_MMP
-	bool "Marvell PXA168/910"
+	bool "Marvell PXA168/910/MMP2"
 	depends on MMU
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
@@ -508,7 +508,7 @@ config ARCH_MMP
 	select TICK_ONESHOT
 	select PLAT_PXA
 	help
-	  Support for Marvell's PXA168/910 processor line.
+	  Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
 
 config ARCH_KS8695
 	bool "Micrel/Kendin KS8695"

arch/arm/mach-mmp/Kconfig

 if ARCH_MMP
 
-menu "Marvell PXA168/910 Implmentations"
+menu "Marvell PXA168/910/MMP2 Implmentations"
 
 config MACH_ASPENITE
 	bool "Marvell's PXA168 Aspenite Development Board"
@@ -37,6 +37,16 @@ config MACH_TTC_DKB
 	  Say 'Y' here if you want to support the Marvell PXA910-based
 	  TTC_DKB Development Board.
 
+config MACH_FLINT
+	bool "Marvell's Flint Development Platform"
+	select CPU_MMP2
+	help
+	  Say 'Y' here if you want to support the Marvell MMP2-based
+	  Flint Development Platform.
+	  MMP2-based board can't be co-existed with PXA168-based &
+	  PXA910-based development board. Since MMP2 is compatible to
+	  ARMv6 architecture.
+
 endmenu
 
 config CPU_PXA168
@@ -51,4 +61,10 @@ config CPU_PXA910
 	help
 	  Select code specific to PXA910
 
+config CPU_MMP2
+	bool
+	select CPU_V6
+	select CPU_32v6K
+	help
+	  Select code specific to MMP2. MMP2 is ARMv6 compatible.
 endif

arch/arm/mach-mmp/Makefile

@@ -7,6 +7,7 @@ obj-y				+= common.o clock.o devices.o time.o
 # SoC support
 obj-$(CONFIG_CPU_PXA168)	+= pxa168.o irq-pxa168.o
 obj-$(CONFIG_CPU_PXA910)	+= pxa910.o irq-pxa168.o
+obj-$(CONFIG_CPU_MMP2)		+= mmp2.o irq-mmp2.o
 
 # board support
 obj-$(CONFIG_MACH_ASPENITE)	+= aspenite.o
@@ -14,3 +15,4 @@ obj-$(CONFIG_MACH_ZYLONITE2)	+= aspenite.o
 obj-$(CONFIG_MACH_AVENGERS_LITE)+= avengers_lite.o
 obj-$(CONFIG_MACH_TAVOREVB)	+= tavorevb.o
 obj-$(CONFIG_MACH_TTC_DKB)	+= ttc_dkb.o
+obj-$(CONFIG_MACH_FLINT)	+= flint.o

arch/arm/mach-mmp/common.h

@@ -6,8 +6,10 @@ extern void timer_init(int irq);
 
 extern struct sys_timer pxa168_timer;
 extern struct sys_timer pxa910_timer;
+extern struct sys_timer mmp2_timer;
 extern void __init pxa168_init_irq(void);
 extern void __init pxa910_init_irq(void);
+extern void __init mmp2_init_irq(void);
 
 extern void __init icu_init_irq(void);
 extern void __init pxa_map_io(void);

arch/arm/mach-mmp/flint.c

+/*
+ *  linux/arch/arm/mach-mmp/flint.c
+ *
+ *  Support for the Marvell Flint Development Platform.
+ *
+ *  Copyright (C) 2009 Marvell International Ltd.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/smc91x.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-mmp2.h>
+#include <mach/mmp2.h>
+
+#include "common.h"
+
+static unsigned long flint_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO45_UART1_RXD,
+	GPIO46_UART1_TXD,
+
+	/* UART2 */
+	GPIO47_UART2_RXD,
+	GPIO48_UART2_TXD,
+
+	/* SMC */
+	GPIO151_SMC_SCLK,
+	GPIO145_SMC_nCS0,
+	GPIO146_SMC_nCS1,
+	GPIO152_SMC_BE0,
+	GPIO153_SMC_BE1,
+	GPIO154_SMC_IRQ,
+	GPIO113_SMC_RDY,
+
+	/*Ethernet*/
+	GPIO155_GPIO155,
+
+	/* DFI */
+	GPIO168_DFI_D0,
+	GPIO167_DFI_D1,
+	GPIO166_DFI_D2,
+	GPIO165_DFI_D3,
+	GPIO107_DFI_D4,
+	GPIO106_DFI_D5,
+	GPIO105_DFI_D6,
+	GPIO104_DFI_D7,
+	GPIO111_DFI_D8,
+	GPIO164_DFI_D9,
+	GPIO163_DFI_D10,
+	GPIO162_DFI_D11,
+	GPIO161_DFI_D12,
+	GPIO110_DFI_D13,
+	GPIO109_DFI_D14,
+	GPIO108_DFI_D15,
+	GPIO143_ND_nCS0,
+	GPIO144_ND_nCS1,
+	GPIO147_ND_nWE,
+	GPIO148_ND_nRE,
+	GPIO150_ND_ALE,
+	GPIO149_ND_CLE,
+	GPIO112_ND_RDY0,
+	GPIO160_ND_RDY1,
+};
+
+static struct smc91x_platdata flint_smc91x_info = {
+	.flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+};
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start  = SMC_CS1_PHYS_BASE + 0x300,
+		.end    = SMC_CS1_PHYS_BASE + 0xfffff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = gpio_to_irq(155),
+		.end    = gpio_to_irq(155),
+		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct platform_device smc91x_device = {
+	.name           = "smc91x",
+	.id             = 0,
+	.dev            = {
+		.platform_data = &flint_smc91x_info,
+	},
+	.num_resources  = ARRAY_SIZE(smc91x_resources),
+	.resource       = smc91x_resources,
+};
+
+static void __init flint_init(void)
+{
+	mfp_config(ARRAY_AND_SIZE(flint_pin_config));
+
+	/* on-chip devices */
+	mmp2_add_uart(1);
+	mmp2_add_uart(2);
+
+	/* off-chip devices */
+	platform_device_register(&smc91x_device);
+}
+
+MACHINE_START(FLINT, "Flint Development Platform")
+	.phys_io        = APB_PHYS_BASE,
+	.boot_params    = 0x00000100,
+	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq       = mmp2_init_irq,
+	.timer          = &mmp2_timer,
+	.init_machine   = flint_init,
+MACHINE_END

arch/arm/mach-mmp/include/mach/cputype.h

@@ -8,6 +8,7 @@
  *
  * PXA168    A0    0x41159263   0x56158400   0x00A0A333
  * PXA910    Y0    0x41159262   0x56158000   0x00F0C910
+ * MMP2	     Z0			0x560f5811
  */
 
 #ifdef CONFIG_CPU_PXA168
@@ -24,7 +25,15 @@
 #  define __cpu_is_pxa910(id)	(0)
 #endif
 
+#ifdef CONFIG_CPU_MMP2
+#  define __cpu_is_mmp2(id)	\
+	({ unsigned int _id = ((id) >> 8) & 0xff; _id == 0x58; })
+#else
+#  define __cpu_is_mmp2(id)	(0)
+#endif
+
 #define cpu_is_pxa168()		({ __cpu_is_pxa168(read_cpuid_id()); })
 #define cpu_is_pxa910()		({ __cpu_is_pxa910(read_cpuid_id()); })
+#define cpu_is_mmp2()		({ __cpu_is_mmp2(read_cpuid_id()); })
 
 #endif /* __ASM_MACH_CPUTYPE_H */

arch/arm/mach-mmp/include/mach/devices.h

@@ -34,4 +34,16 @@ struct pxa_device_desc pxa910_device_##_name __initdata = {		\
 	.size		= _size,					\
 	.dma		= { _dma },					\
 };
+
+#define MMP2_DEVICE(_name, _drv, _id, _irq, _start, _size, _dma...)	\
+struct pxa_device_desc mmp2_device_##_name __initdata = {		\
+	.dev_name	= "mmp2-" #_name,				\
+	.drv_name	= _drv,						\
+	.id		= _id,						\
+	.irq		= IRQ_MMP2_##_irq,				\
+	.start		= _start,					\
+	.size		= _size,					\
+	.dma		= { _dma },					\
+}
+
 extern int pxa_register_device(struct pxa_device_desc *, void *, size_t);

arch/arm/mach-mmp/include/mach/entry-macro.S

@@ -15,7 +15,12 @@
 	.endm
 
 	.macro	get_irqnr_preamble, base, tmp
-	ldr	\base, =ICU_AP_IRQ_SEL_INT_NUM
+	mrc	p15, 0, \tmp, c0, c0, 0		@ CPUID
+	and	\tmp, \tmp, #0xff00
+	cmp	\tmp, #0x5800
+	ldr	\base, =ICU_VIRT_BASE
+	addne	\base, \base, #0x10c		@ PJ1 AP INT SEL register
+	addeq	\base, \base, #0x104		@ PJ4 IRQ SEL register
 	.endm
 
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp

arch/arm/mach-mmp/include/mach/irqs.h

@@ -113,8 +113,113 @@
 #define IRQ_PXA910_AP_PMU		60
 #define IRQ_PXA910_SM_INT		63	/* from PinMux */
 
-#define IRQ_GPIO_START			64
-#define IRQ_GPIO_NUM			128
+/*
+ * Interrupt numbers for MMP2
+ */
+#define IRQ_MMP2_NONE			(-1)
+#define IRQ_MMP2_SSP1			0
+#define IRQ_MMP2_SSP2			1
+#define IRQ_MMP2_SSPA1			2
+#define IRQ_MMP2_SSPA2			3
+#define IRQ_MMP2_PMIC_MUX		4	/* PMIC & Charger */
+#define IRQ_MMP2_RTC_MUX		5
+#define IRQ_MMP2_TWSI1			7
+#define IRQ_MMP2_GPU			8
+#define IRQ_MMP2_KEYPAD			9
+#define IRQ_MMP2_ROTARY			10
+#define IRQ_MMP2_TRACKBALL		11
+#define IRQ_MMP2_ONEWIRE		12
+#define IRQ_MMP2_TIMER1			13
+#define IRQ_MMP2_TIMER2			14
+#define IRQ_MMP2_TIMER3			15
+#define IRQ_MMP2_RIPC			16
+#define IRQ_MMP2_TWSI_MUX		17	/* TWSI2 ~ TWSI6 */
+#define IRQ_MMP2_HDMI			19
+#define IRQ_MMP2_SSP3			20
+#define IRQ_MMP2_SSP4			21
+#define IRQ_MMP2_USB_HS1		22
+#define IRQ_MMP2_USB_HS2		23
+#define IRQ_MMP2_UART3			24
+#define IRQ_MMP2_UART1			27
+#define IRQ_MMP2_UART2			28
+#define IRQ_MMP2_MIPI_DSI		29
+#define IRQ_MMP2_CI2			30
+#define IRQ_MMP2_PMU_TIMER1		31
+#define IRQ_MMP2_PMU_TIMER2		32
+#define IRQ_MMP2_PMU_TIMER3		33
+#define IRQ_MMP2_USB_FS			34
+#define IRQ_MMP2_MISC_MUX		35
+#define IRQ_MMP2_WDT1			36
+#define IRQ_MMP2_NAND_DMA		37
+#define IRQ_MMP2_USIM			38
+#define IRQ_MMP2_MMC			39
+#define IRQ_MMP2_WTM			40
+#define IRQ_MMP2_LCD			41
+#define IRQ_MMP2_CI			42
+#define IRQ_MMP2_IRE			43
+#define IRQ_MMP2_USB_OTG		44
+#define IRQ_MMP2_NAND			45
+#define IRQ_MMP2_UART4			46
+#define IRQ_MMP2_DMA_FIQ		47
+#define IRQ_MMP2_DMA_RIQ		48
+#define IRQ_MMP2_GPIO			49
+#define IRQ_MMP2_SSP_MUX		51
+#define IRQ_MMP2_MMC2			52
+#define IRQ_MMP2_MMC3			53
+#define IRQ_MMP2_MMC4			54
+#define IRQ_MMP2_MIPI_HSI		55
+#define IRQ_MMP2_MSP			58
+#define IRQ_MMP2_MIPI_SLIM_DMA		59
+#define IRQ_MMP2_PJ4_FREQ_CHG		60
+#define IRQ_MMP2_MIPI_SLIM		62
+#define IRQ_MMP2_SM			63
+
+#define IRQ_MMP2_MUX_BASE		64
+
+/* secondary interrupt of INT #4 */
+#define IRQ_MMP2_PMIC_BASE		(IRQ_MMP2_MUX_BASE)
+#define IRQ_MMP2_CHARGER		(IRQ_MMP2_PMIC_BASE + 0)
+#define IRQ_MMP2_PMIC			(IRQ_MMP2_PMIC_BASE + 1)
+
+/* secondary interrupt of INT #5 */
+#define IRQ_MMP2_RTC_BASE		(IRQ_MMP2_PMIC_BASE + 2)
+#define IRQ_MMP2_RTC_ALARM		(IRQ_MMP2_RTC_BASE + 0)
+#define IRQ_MMP2_RTC			(IRQ_MMP2_RTC_BASE + 1)
+
+/* secondary interrupt of INT #17 */
+#define IRQ_MMP2_TWSI_BASE		(IRQ_MMP2_RTC_BASE + 2)
+#define IRQ_MMP2_TWSI2			(IRQ_MMP2_TWSI_BASE + 0)
+#define IRQ_MMP2_TWSI3			(IRQ_MMP2_TWSI_BASE + 1)
+#define IRQ_MMP2_TWSI4			(IRQ_MMP2_TWSI_BASE + 2)
+#define IRQ_MMP2_TWSI5			(IRQ_MMP2_TWSI_BASE + 3)
+#define IRQ_MMP2_TWSI6			(IRQ_MMP2_TWSI_BASE + 4)
+
+/* secondary interrupt of INT #35 */
+#define IRQ_MMP2_MISC_BASE		(IRQ_MMP2_TWSI_BASE + 5)
+#define IRQ_MMP2_PERF			(IRQ_MMP2_MISC_BASE + 0)
+#define IRQ_MMP2_L2_PA_ECC		(IRQ_MMP2_MISC_BASE + 1)
+#define IRQ_MMP2_L2_ECC			(IRQ_MMP2_MISC_BASE + 2)
+#define IRQ_MMP2_L2_UECC		(IRQ_MMP2_MISC_BASE + 3)
+#define IRQ_MMP2_DDR			(IRQ_MMP2_MISC_BASE + 4)
+#define IRQ_MMP2_FAB0_TIMEOUT		(IRQ_MMP2_MISC_BASE + 5)
+#define IRQ_MMP2_FAB1_TIMEOUT		(IRQ_MMP2_MISC_BASE + 6)
+#define IRQ_MMP2_FAB2_TIMEOUT		(IRQ_MMP2_MISC_BASE + 7)
+#define IRQ_MMP2_THERMAL		(IRQ_MMP2_MISC_BASE + 9)
+#define IRQ_MMP2_MAIN_PMU		(IRQ_MMP2_MISC_BASE + 10)
+#define IRQ_MMP2_WDT2			(IRQ_MMP2_MISC_BASE + 11)
+#define IRQ_MMP2_CORESIGHT		(IRQ_MMP2_MISC_BASE + 12)
+#define IRQ_MMP2_COMMTX			(IRQ_MMP2_MISC_BASE + 13)
+#define IRQ_MMP2_COMMRX			(IRQ_MMP2_MISC_BASE + 14)
+
+/* secondary interrupt of INT #51 */
+#define IRQ_MMP2_SSP_BASE		(IRQ_MMP2_MISC_BASE + 15)
+#define IRQ_MMP2_SSP1_SRDY		(IRQ_MMP2_SSP_BASE + 0)
+#define IRQ_MMP2_SSP3_SRDY		(IRQ_MMP2_SSP_BASE + 1)
+
+#define IRQ_MMP2_MUX_END		(IRQ_MMP2_SSP_BASE + 2)
+
+#define IRQ_GPIO_START			128
+#define IRQ_GPIO_NUM			192
 #define IRQ_GPIO(x)			(IRQ_GPIO_START + (x))
 
 #define NR_IRQS		(IRQ_GPIO_START + IRQ_GPIO_NUM)

arch/arm/mach-mmp/include/mach/mfp-mmp2.h

+#ifndef __ASM_MACH_MFP_MMP2_H
+#define __ASM_MACH_MFP_MMP2_H
+
+#include <mach/mfp.h>
+
+#define MFP_DRIVE_VERY_SLOW	(0x0 << 13)
+#define MFP_DRIVE_SLOW		(0x2 << 13)
+#define MFP_DRIVE_MEDIUM	(0x4 << 13)
+#define MFP_DRIVE_FAST		(0x8 << 13)
+
+/* GPIO */
+
+/* DFI */
+#define GPIO108_DFI_D15		MFP_CFG(GPIO108, AF0)
+#define GPIO109_DFI_D14		MFP_CFG(GPIO109, AF0)
+#define GPIO110_DFI_D13		MFP_CFG(GPIO110, AF0)
+#define GPIO161_DFI_D12		MFP_CFG(GPIO161, AF0)
+#define GPIO162_DFI_D11		MFP_CFG(GPIO162, AF0)
+#define GPIO163_DFI_D10		MFP_CFG(GPIO163, AF0)
+#define GPIO164_DFI_D9		MFP_CFG(GPIO164, AF0)
+#define GPIO111_DFI_D8		MFP_CFG(GPIO111, AF0)
+#define GPIO104_DFI_D7		MFP_CFG(GPIO104, AF0)
+#define GPIO105_DFI_D6		MFP_CFG(GPIO105, AF0)
+#define GPIO106_DFI_D5		MFP_CFG(GPIO106, AF0)
+#define GPIO107_DFI_D4		MFP_CFG(GPIO107, AF0)
+#define GPIO165_DFI_D3		MFP_CFG(GPIO165, AF0)
+#define GPIO166_DFI_D2		MFP_CFG(GPIO166, AF0)
+#define GPIO167_DFI_D1		MFP_CFG(GPIO167, AF0)
+#define GPIO168_DFI_D0		MFP_CFG(GPIO168, AF0)
+#define GPIO143_ND_nCS0		MFP_CFG(GPIO143, AF0)
+#define GPIO144_ND_nCS1		MFP_CFG(GPIO144, AF0)
+#define GPIO147_ND_nWE		MFP_CFG(GPIO147, AF0)
+#define GPIO148_ND_nRE		MFP_CFG(GPIO148, AF0)
+#define GPIO150_ND_ALE		MFP_CFG(GPIO150, AF0)
+#define GPIO149_ND_CLE		MFP_CFG(GPIO149, AF0)
+#define GPIO112_ND_RDY0		MFP_CFG(GPIO112, AF0)
+#define GPIO160_ND_RDY1		MFP_CFG(GPIO160, AF0)
+
+/* Static Memory Controller */
+#define GPIO145_SMC_nCS0	MFP_CFG(GPIO145, AF0)
+#define GPIO146_SMC_nCS1	MFP_CFG(GPIO146, AF0)
+#define GPIO152_SMC_BE0		MFP_CFG(GPIO152, AF0)
+#define GPIO153_SMC_BE1		MFP_CFG(GPIO153, AF0)
+#define GPIO154_SMC_IRQ		MFP_CFG(GPIO154, AF0)
+#define GPIO113_SMC_RDY		MFP_CFG(GPIO113, AF0)
+#define GPIO151_SMC_SCLK	MFP_CFG(GPIO151, AF0)
+
+/* Ethernet */
+#define GPIO155_SM_ADVMUX	MFP_CFG(GPIO155, AF2)
+#define GPIO155_GPIO155		MFP_CFG(GPIO155, AF1)
+
+/* UART1 */
+#define GPIO45_UART1_RXD	MFP_CFG(GPIO45, AF1)
+#define GPIO46_UART1_TXD	MFP_CFG(GPIO46, AF1)
+#define GPIO29_UART1_RXD	MFP_CFG(GPIO29, AF1)
+#define GPIO30_UART1_TXD	MFP_CFG(GPIO30, AF1)
+#define GPIO31_UART1_CTS	MFP_CFG(GPIO31, AF1)
+#define GPIO32_UART1_RTS	MFP_CFG(GPIO32, AF1)
+
+/* UART2 */
+#define GPIO47_UART2_RXD	MFP_CFG(GPIO47, AF1)
+#define GPIO48_UART2_TXD	MFP_CFG(GPIO48, AF1)
+#define GPIO49_UART2_CTS	MFP_CFG(GPIO49, AF1)
+#define GPIO50_UART2_RTS	MFP_CFG(GPIO50, AF1)
+
+/* UART3 */
+#define GPIO51_UART3_RXD	MFP_CFG(GPIO51, AF1)
+#define GPIO52_UART3_TXD	MFP_CFG(GPIO52, AF1)
+#define GPIO53_UART3_CTS	MFP_CFG(GPIO53, AF1)
+#define GPIO54_UART3_RTS	MFP_CFG(GPIO54, AF1)
+
+/* MMC1 */
+#define GPIO124_MMC1_DAT7	MFP_CFG_DRV(GPIO124, AF1, FAST)
+#define GPIO125_MMC1_DAT6	MFP_CFG_DRV(GPIO125, AF1, FAST)
+#define GPIO129_MMC1_DAT5	MFP_CFG_DRV(GPIO129, AF1, FAST)
+#define GPIO130_MMC1_DAT4	MFP_CFG_DRV(GPIO130, AF1, FAST)
+#define GPIO131_MMC1_DAT3	MFP_CFG_DRV(GPIO131, AF1, FAST)
+#define GPIO132_MMC1_DAT2	MFP_CFG_DRV(GPIO132, AF1, FAST)
+#define GPIO133_MMC1_DAT1	MFP_CFG_DRV(GPIO133, AF1, FAST)
+#define GPIO134_MMC1_DAT0	MFP_CFG_DRV(GPIO134, AF1, FAST)
+#define GPIO136_MMC1_CMD	MFP_CFG_DRV(GPIO136, AF1, FAST)
+#define GPIO139_MMC1_CLK	MFP_CFG_DRV(GPIO139, AF1, FAST)
+#define GPIO140_MMC1_CD		MFP_CFG_DRV(GPIO140, AF1, FAST)
+#define GPIO141_MMC1_WP		MFP_CFG_DRV(GPIO141, AF1, FAST)
+
+/*MMC2*/
+#define GPIO37_MMC2_DAT3	MFP_CFG_DRV(GPIO37, AF1, FAST)
+#define GPIO38_MMC2_DAT2	MFP_CFG_DRV(GPIO38, AF1, FAST)
+#define GPIO39_MMC2_DAT1	MFP_CFG_DRV(GPIO39, AF1, FAST)
+#define GPIO40_MMC2_DAT0	MFP_CFG_DRV(GPIO40, AF1, FAST)
+#define GPIO41_MMC2_CMD		MFP_CFG_DRV(GPIO41, AF1, FAST)
+#define GPIO42_MMC2_CLK		MFP_CFG_DRV(GPIO42, AF1, FAST)
+
+/*MMC3*/
+#define GPIO165_MMC3_DAT7	MFP_CFG_DRV(GPIO165, AF2, FAST)
+#define GPIO162_MMC3_DAT6	MFP_CFG_DRV(GPIO162, AF2, FAST)
+#define GPIO166_MMC3_DAT5	MFP_CFG_DRV(GPIO166, AF2, FAST)
+#define GPIO163_MMC3_DAT4	MFP_CFG_DRV(GPIO163, AF2, FAST)
+#define GPIO167_MMC3_DAT3	MFP_CFG_DRV(GPIO167, AF2, FAST)
+#define GPIO164_MMC3_DAT2	MFP_CFG_DRV(GPIO164, AF2, FAST)
+#define GPIO168_MMC3_DAT1	MFP_CFG_DRV(GPIO168, AF2, FAST)
+#define GPIO111_MMC3_DAT0	MFP_CFG_DRV(GPIO111, AF2, FAST)
+#define GPIO112_MMC3_CMD	MFP_CFG_DRV(GPIO112, AF2, FAST)
+#define GPIO151_MMC3_CLK	MFP_CFG_DRV(GPIO151, AF2, FAST)
+
+/* LCD */
+#define GPIO74_LCD_FCLK		MFP_CFG_DRV(GPIO74, AF1, FAST)
+#define GPIO75_LCD_LCLK		MFP_CFG_DRV(GPIO75, AF1, FAST)
+#define GPIO76_LCD_PCLK		MFP_CFG_DRV(GPIO76, AF1, FAST)
+#define GPIO77_LCD_DENA		MFP_CFG_DRV(GPIO77, AF1, FAST)
+#define GPIO78_LCD_DD0		MFP_CFG_DRV(GPIO78, AF1, FAST)
+#define GPIO79_LCD_DD1		MFP_CFG_DRV(GPIO79, AF1, FAST)
+#define GPIO80_LCD_DD2		MFP_CFG_DRV(GPIO80, AF1, FAST)
+#define GPIO81_LCD_DD3		MFP_CFG_DRV(GPIO81, AF1, FAST)
+#define GPIO82_LCD_DD4		MFP_CFG_DRV(GPIO82, AF1, FAST)
+#define GPIO83_LCD_DD5		MFP_CFG_DRV(GPIO83, AF1, FAST)
+#define GPIO84_LCD_DD6		MFP_CFG_DRV(GPIO84, AF1, FAST)
+#define GPIO85_LCD_DD7		MFP_CFG_DRV(GPIO85, AF1, FAST)
+#define GPIO86_LCD_DD8		MFP_CFG_DRV(GPIO86, AF1, FAST)
+#define GPIO87_LCD_DD9		MFP_CFG_DRV(GPIO87, AF1, FAST)
+#define GPIO88_LCD_DD10		MFP_CFG_DRV(GPIO88, AF1, FAST)
+#define GPIO89_LCD_DD11		MFP_CFG_DRV(GPIO89, AF1, FAST)
+#define GPIO90_LCD_DD12		MFP_CFG_DRV(GPIO90, AF1, FAST)
+#define GPIO91_LCD_DD13		MFP_CFG_DRV(GPIO91, AF1, FAST)
+#define GPIO92_LCD_DD14		MFP_CFG_DRV(GPIO92, AF1, FAST)
+#define GPIO93_LCD_DD15		MFP_CFG_DRV(GPIO93, AF1, FAST)
+#define GPIO94_LCD_DD16		MFP_CFG_DRV(GPIO94, AF1, FAST)
+#define GPIO95_LCD_DD17		MFP_CFG_DRV(GPIO95, AF1, FAST)
+#define GPIO96_LCD_DD18		MFP_CFG_DRV(GPIO96, AF1, FAST)
+#define GPIO97_LCD_DD19		MFP_CFG_DRV(GPIO97, AF1, FAST)
+#define GPIO98_LCD_DD20		MFP_CFG_DRV(GPIO98, AF1, FAST)
+#define GPIO99_LCD_DD21		MFP_CFG_DRV(GPIO99, AF1, FAST)
+#define GPIO100_LCD_DD22	MFP_CFG_DRV(GPIO100, AF1, FAST)
+#define GPIO101_LCD_DD23	MFP_CFG_DRV(GPIO101, AF1, FAST)
+#define GPIO94_SPI_DCLK		MFP_CFG_DRV(GPIO94, AF3, FAST)
+#define GPIO95_SPI_CS0		MFP_CFG_DRV(GPIO95, AF3, FAST)
+#define GPIO96_SPI_DIN		MFP_CFG_DRV(GPIO96, AF3, FAST)
+#define GPIO97_SPI_DOUT		MFP_CFG_DRV(GPIO97, AF3, FAST)
+#define GPIO98_LCD_RST		MFP_CFG_DRV(GPIO98, AF0, FAST)
+
+#define GPIO114_MN_CLK_OUT	MFP_CFG_DRV(GPIO114, AF1, FAST)
+
+/*LCD TV path*/
+#define GPIO124_LCD_DD24	MFP_CFG_DRV(GPIO124, AF2, FAST)
+#define GPIO125_LCD_DD25	MFP_CFG_DRV(GPIO125, AF2, FAST)
+#define GPIO126_LCD_DD33	MFP_CFG_DRV(GPIO126, AF2, FAST)
+#define GPIO127_LCD_DD26	MFP_CFG_DRV(GPIO127, AF2, FAST)
+#define GPIO128_LCD_DD27	MFP_CFG_DRV(GPIO128, AF2, FAST)
+#define GPIO129_LCD_DD28	MFP_CFG_DRV(GPIO129, AF2, FAST)
+#define GPIO130_LCD_DD29	MFP_CFG_DRV(GPIO130, AF2, FAST)
+#define GPIO135_LCD_DD30	MFP_CFG_DRV(GPIO135, AF2, FAST)
+#define GPIO137_LCD_DD31	MFP_CFG_DRV(GPIO137, AF2, FAST)
+#define GPIO138_LCD_DD32	MFP_CFG_DRV(GPIO138, AF2, FAST)
+#define GPIO140_LCD_DD34	MFP_CFG_DRV(GPIO140, AF2, FAST)
+#define GPIO141_LCD_DD35	MFP_CFG_DRV(GPIO141, AF2, FAST)
+
+/* I2C */
+#define GPIO43_TWSI2_SCL	MFP_CFG_DRV(GPIO43, AF1, SLOW)
+#define GPIO44_TWSI2_SDA	MFP_CFG_DRV(GPIO44, AF1, SLOW)
+#define GPIO71_TWSI3_SCL	MFP_CFG_DRV(GPIO71, AF1, SLOW)
+#define GPIO72_TWSI3_SDA	MFP_CFG_DRV(GPIO72, AF1, SLOW)
+#define GPIO99_TWSI5_SCL	MFP_CFG_DRV(GPIO99, AF4, SLOW)
+#define GPIO100_TWSI5_SDA	MFP_CFG_DRV(GPIO100, AF4, SLOW)
+#define GPIO97_TWSI6_SCL	MFP_CFG_DRV(GPIO97, AF2, SLOW)
+#define GPIO98_TWSI6_SDA	MFP_CFG_DRV(GPIO98, AF2, SLOW)
+
+/* SSPA1 */
+#define GPIO24_I2S_SYSCLK	MFP_CFG(GPIO24, AF1)
+#define GPIO25_I2S_BITCLK	MFP_CFG(GPIO25, AF1)
+#define GPIO26_I2S_SYNC		MFP_CFG(GPIO26, AF1)
+#define GPIO27_I2S_DATA_OUT	MFP_CFG(GPIO27, AF1)
+#define GPIO28_I2S_SDATA_IN	MFP_CFG(GPIO28, AF1)
+#define GPIO114_I2S_MCLK	MFP_CFG(GPIO114, AF1)
+
+/* SSPA2 */
+#define GPIO33_SSPA2_CLK	MFP_CFG(GPIO33, AF1)
+#define GPIO34_SSPA2_FRM	MFP_CFG(GPIO34, AF1)
+#define GPIO35_SSPA2_TXD	MFP_CFG(GPIO35, AF1)
+#define GPIO36_SSPA2_RXD	MFP_CFG(GPIO36, AF1)
+
+/* Keypad */
+#define GPIO00_KP_MKIN0		MFP_CFG(GPIO0, AF1)
+#define GPIO01_KP_MKOUT0	MFP_CFG(GPIO1, AF1)
+#define GPIO02_KP_MKIN1		MFP_CFG(GPIO2, AF1)
+#define GPIO03_KP_MKOUT1	MFP_CFG(GPIO3, AF1)
+#define GPIO04_KP_MKIN2		MFP_CFG(GPIO4, AF1)
+#define GPIO05_KP_MKOUT2	MFP_CFG(GPIO5, AF1)
+#define GPIO06_KP_MKIN3		MFP_CFG(GPIO6, AF1)
+#define GPIO07_KP_MKOUT3	MFP_CFG(GPIO7, AF1)
+#define GPIO08_KP_MKIN4		MFP_CFG(GPIO8, AF1)
+#define GPIO09_KP_MKOUT4	MFP_CFG(GPIO9, AF1)
+#define GPIO10_KP_MKIN5		MFP_CFG(GPIO10, AF1)
+#define GPIO11_KP_MKOUT5	MFP_CFG(GPIO11, AF1)
+#define GPIO12_KP_MKIN6		MFP_CFG(GPIO12, AF1)
+#define GPIO13_KP_MKOUT6	MFP_CFG(GPIO13, AF1)
+#define GPIO14_KP_MKIN7		MFP_CFG(GPIO14, AF1)
+#define GPIO15_KP_MKOUT7	MFP_CFG(GPIO15, AF1)
+#define GPIO16_KP_DKIN0		MFP_CFG(GPIO16, AF1)
+#define GPIO17_KP_DKIN1		MFP_CFG(GPIO17, AF1)
+#define GPIO18_KP_DKIN2		MFP_CFG(GPIO18, AF1)
+#define GPIO19_KP_DKIN3		MFP_CFG(GPIO19, AF1)
+#define GPIO20_KP_DKIN4		MFP_CFG(GPIO20, AF1)
+#define GPIO21_KP_DKIN5		MFP_CFG(GPIO21, AF1)
+#define GPIO22_KP_DKIN6		MFP_CFG(GPIO22, AF1)
+#define GPIO23_KP_DKIN7		MFP_CFG(GPIO23, AF1)
+
+/* CAMERA */
+#define GPIO59_CCIC_IN7		MFP_CFG_DRV(GPIO59, AF1, FAST)
+#define GPIO60_CCIC_IN6		MFP_CFG_DRV(GPIO60, AF1, FAST)
+#define GPIO61_CCIC_IN5		MFP_CFG_DRV(GPIO61, AF1, FAST)
+#define GPIO62_CCIC_IN4		MFP_CFG_DRV(GPIO62, AF1, FAST)
+#define GPIO63_CCIC_IN3		MFP_CFG_DRV(GPIO63, AF1, FAST)
+#define GPIO64_CCIC_IN2		MFP_CFG_DRV(GPIO64, AF1, FAST)
+#define GPIO65_CCIC_IN1		MFP_CFG_DRV(GPIO65, AF1, FAST)
+#define GPIO66_CCIC_IN0		MFP_CFG_DRV(GPIO66, AF1, FAST)
+#define GPIO67_CAM_HSYNC	MFP_CFG_DRV(GPIO67, AF1, FAST)
+#define GPIO68_CAM_VSYNC	MFP_CFG_DRV(GPIO68, AF1, FAST)
+#define GPIO69_CAM_MCLK		MFP_CFG_DRV(GPIO69, AF1, FAST)
+#define GPIO70_CAM_PCLK		MFP_CFG_DRV(GPIO70, AF1, FAST)
+
+/* Wifi */
+#define GPIO45_GPIO45		MFP_CFG(GPIO45, AF0)
+#define GPIO46_GPIO46		MFP_CFG(GPIO46, AF0)
+#define GPIO21_GPIO21		MFP_CFG(GPIO21, AF0)
+#define GPIO22_GPIO22		MFP_CFG(GPIO22, AF0)
+#define GPIO55_GPIO55		MFP_CFG(GPIO55, AF0)
+#define GPIO56_GPIO56		MFP_CFG(GPIO56, AF0)
+#define GPIO57_GPIO57		MFP_CFG(GPIO57, AF0)
+#define GPIO58_GPIO58		MFP_CFG(GPIO58, AF0)
+
+/* Codec*/
+#define GPIO23_GPIO23		MFP_CFG(GPIO23, AF0)
+
+
+#endif /* __ASM_MACH_MFP_MMP2_H */
+

arch/arm/mach-mmp/include/mach/mmp2.h

+#ifndef __ASM_MACH_MMP2_H
+#define __ASM_MACH_MMP2_H
+
+#include <linux/i2c.h>
+#include <mach/devices.h>
+#include <plat/i2c.h>
+
+extern struct pxa_device_desc mmp2_device_uart1;
+extern struct pxa_device_desc mmp2_device_uart2;
+extern struct pxa_device_desc mmp2_device_uart3;
+extern struct pxa_device_desc mmp2_device_uart4;
+extern struct pxa_device_desc mmp2_device_twsi1;
+extern struct pxa_device_desc mmp2_device_twsi2;
+extern struct pxa_device_desc mmp2_device_twsi3;
+extern struct pxa_device_desc mmp2_device_twsi4;
+extern struct pxa_device_desc mmp2_device_twsi5;
+extern struct pxa_device_desc mmp2_device_twsi6;
+
+static inline int mmp2_add_uart(int id)
+{
+	struct pxa_device_desc *d = NULL;
+
+	switch (id) {
+	case 1: d = &mmp2_device_uart1; break;
+	case 2: d = &mmp2_device_uart2; break;
+	case 3: d = &mmp2_device_uart3; break;
+	case 4: d = &mmp2_device_uart4; break;
+	default:
+		return -EINVAL;
+	}
+
+	return pxa_register_device(d, NULL, 0);
+}
+
+static inline int mmp2_add_twsi(int id, struct i2c_pxa_platform_data *data,
+				  struct i2c_board_info *info, unsigned size)
+{
+	struct pxa_device_desc *d = NULL;
+	int ret;
+
+	switch (id) {
+	case 0: d = &mmp2_device_twsi1; break;
+	case 1: d = &mmp2_device_twsi2; break;
+	case 2: d = &mmp2_device_twsi3; break;
+	case 3: d = &mmp2_device_twsi4; break;
+	case 4: d = &mmp2_device_twsi5; break;
+	case 5: d = &mmp2_device_twsi6; break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = i2c_register_board_info(id, info, size);
+	if (ret)
+		return ret;
+
+	return pxa_register_device(d, data, sizeof(*data));
+}
+
+#endif /* __ASM_MACH_MMP2_H */
+

arch/arm/mach-mmp/include/mach/regs-apbc.h

@@ -69,6 +69,47 @@
 #define APBC_PXA910_ASFAR	APBC_REG(0x050)
 #define APBC_PXA910_ASSAR	APBC_REG(0x054)
 
+/*
+ * APB Clock register offsets for MMP2
+ */
+#define APBC_MMP2_RTC		APBC_REG(0x000)
+#define APBC_MMP2_TWSI1		APBC_REG(0x004)
+#define APBC_MMP2_TWSI2		APBC_REG(0x008)
+#define APBC_MMP2_TWSI3		APBC_REG(0x00c)
+#define APBC_MMP2_TWSI4		APBC_REG(0x010)
+#define APBC_MMP2_ONEWIRE	APBC_REG(0x014)
+#define APBC_MMP2_KPC		APBC_REG(0x018)
+#define APBC_MMP2_TB_ROTARY	APBC_REG(0x01c)
+#define APBC_MMP2_SW_JTAG	APBC_REG(0x020)
+#define APBC_MMP2_TIMERS	APBC_REG(0x024)
+#define APBC_MMP2_UART1		APBC_REG(0x02c)
+#define APBC_MMP2_UART2		APBC_REG(0x030)
+#define APBC_MMP2_UART3		APBC_REG(0x034)
+#define APBC_MMP2_GPIO		APBC_REG(0x038)
+#define APBC_MMP2_PWM0		APBC_REG(0x03c)
+#define APBC_MMP2_PWM1		APBC_REG(0x040)
+#define APBC_MMP2_PWM2		APBC_REG(0x044)
+#define APBC_MMP2_PWM3		APBC_REG(0x048)
+#define APBC_MMP2_SSP0		APBC_REG(0x04c)
+#define APBC_MMP2_SSP1		APBC_REG(0x050)
+#define APBC_MMP2_SSP2		APBC_REG(0x054)
+#define APBC_MMP2_SSP3		APBC_REG(0x058)
+#define APBC_MMP2_SSP4		APBC_REG(0x05c)
+#define APBC_MMP2_SSP5		APBC_REG(0x060)
+#define APBC_MMP2_AIB		APBC_REG(0x064)
+#define APBC_MMP2_ASFAR		APBC_REG(0x068)
+#define APBC_MMP2_ASSAR		APBC_REG(0x06c)
+#define APBC_MMP2_USIM		APBC_REG(0x070)
+#define APBC_MMP2_MPMU		APBC_REG(0x074)
+#define APBC_MMP2_IPC		APBC_REG(0x078)
+#define APBC_MMP2_TWSI5		APBC_REG(0x07c)
+#define APBC_MMP2_TWSI6		APBC_REG(0x080)
+#define APBC_MMP2_TWSI_INTSTS	APBC_REG(0x084)
+#define APBC_MMP2_UART4		APBC_REG(0x088)
+#define APBC_MMP2_RIPC		APBC_REG(0x08c)
+#define APBC_MMP2_THSENS1	APBC_REG(0x090)	/* Thermal Sensor */
+#define APBC_MMP2_THSENS_INTSTS	APBC_REG(0x0a4)
+
 /* Common APB clock register bit definitions */
 #define APBC_APBCLK	(1 << 0)  /* APB Bus Clock Enable */
 #define APBC_FNCLK	(1 << 1)  /* Functional Clock Enable */

arch/arm/mach-mmp/include/mach/regs-icu.h

@@ -17,10 +17,12 @@
 #define ICU_REG(x)	(ICU_VIRT_BASE + (x))
 
 #define ICU_INT_CONF(n)		ICU_REG((n) << 2)
+#define ICU_INT_CONF_MASK	(0xf)
+
+/************ PXA168/PXA910 (MMP) *********************/
 #define ICU_INT_CONF_AP_INT	(1 << 6)
 #define ICU_INT_CONF_CP_INT	(1 << 5)
 #define ICU_INT_CONF_IRQ	(1 << 4)
-#define ICU_INT_CONF_MASK	(0xf)
 
 #define ICU_AP_FIQ_SEL_INT_NUM	ICU_REG(0x108)	/* AP FIQ Selected Interrupt */
 #define ICU_AP_IRQ_SEL_INT_NUM	ICU_REG(0x10C)	/* AP IRQ Selected Interrupt */
@@ -28,4 +30,30 @@
 #define ICU_INT_STATUS_0	ICU_REG(0x128)	/* Interrupt Stuats 0 */
 #define ICU_INT_STATUS_1	ICU_REG(0x12C)	/* Interrupt Status 1 */
 
+/************************** MMP2 ***********************/
+
+/*
+ * IRQ0/FIQ0 is routed to SP IRQ/FIQ.
+ * IRQ1 is routed to PJ4 IRQ, and IRQ2 is routes to PJ4 FIQ.
+ */
+#define ICU_INT_ROUTE_SP_IRQ		(1 << 4)
+#define ICU_INT_ROUTE_PJ4_IRQ		(1 << 5)
+#define ICU_INT_ROUTE_PJ4_FIQ		(1 << 6)
+
+#define MMP2_ICU_INT4_STATUS		ICU_REG(0x150)
+#define MMP2_ICU_INT5_STATUS		ICU_REG(0x154)
+#define MMP2_ICU_INT17_STATUS		ICU_REG(0x158)
+#define MMP2_ICU_INT35_STATUS		ICU_REG(0x15c)
+#define MMP2_ICU_INT51_STATUS		ICU_REG(0x160)
+
+#define MMP2_ICU_INT4_MASK		ICU_REG(0x168)
+#define MMP2_ICU_INT5_MASK		ICU_REG(0x16C)
+#define MMP2_ICU_INT17_MASK		ICU_REG(0x170)
+#define MMP2_ICU_INT35_MASK		ICU_REG(0x174)
+#define MMP2_ICU_INT51_MASK		ICU_REG(0x178)
+
+#define MMP2_ICU_SP_IRQ_SEL		ICU_REG(0x100)
+#define MMP2_ICU_PJ4_IRQ_SEL		ICU_REG(0x104)
+#define MMP2_ICU_PJ4_FIQ_SEL		ICU_REG(0x108)
+
 #endif /* __ASM_MACH_ICU_H */

arch/arm/mach-mmp/irq-mmp2.c

+/*
+ *  linux/arch/arm/mach-mmp/irq-mmp2.c
+ *
+ *  Generic IRQ handling, GPIO IRQ demultiplexing, etc.
+ *
+ *  Author:	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *  Copyright:	Marvell International Ltd.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/regs-icu.h>
+
+#include "common.h"
+
+static void icu_mask_irq(unsigned int irq)
+{
+	uint32_t r = __raw_readl(ICU_INT_CONF(irq));
+
+	r &= ~ICU_INT_ROUTE_PJ4_IRQ;
+	__raw_writel(r, ICU_INT_CONF(irq));
+}
+
+static void icu_unmask_irq(unsigned int irq)
+{
+	uint32_t r = __raw_readl(ICU_INT_CONF(irq));
+
+	r |= ICU_INT_ROUTE_PJ4_IRQ;
+	__raw_writel(r, ICU_INT_CONF(irq));
+}
+
+static struct irq_chip icu_irq_chip = {
+	.name		= "icu_irq",
+	.mask_ack	= icu_mask_irq,
+	.unmask		= icu_unmask_irq,
+};
+
+#define SECOND_IRQ_MASK(_name_, irq_base, prefix)			\
+static void _name_##_mask_irq(unsigned int irq)				\
+{									\
+	uint32_t r;							\
+	r = __raw_readl(prefix##_MASK) | (1 << (irq - irq_base));	\
+	__raw_writel(r, prefix##_MASK);					\
+}
+
+#define SECOND_IRQ_UNMASK(_name_, irq_base, prefix)			\
+static void _name_##_unmask_irq(unsigned int irq)			\
+{									\
+	uint32_t r;							\
+	r = __raw_readl(prefix##_MASK) & ~(1 << (irq - irq_base));	\
+	__raw_writel(r, prefix##_MASK);					\
+}
+
+#define SECOND_IRQ_DEMUX(_name_, irq_base, prefix)			\
+static void _name_##_irq_demux(unsigned int irq, struct irq_desc *desc)	\
+{									\
+	unsigned long status, mask, n;					\
+	mask = __raw_readl(prefix##_MASK);				\
+	while (1) {							\
+		status = __raw_readl(prefix##_STATUS) & ~mask;		\
+		if (status == 0)					\
+			break;						\
+		n = find_first_bit(&status, BITS_PER_LONG);		\
+		while (n < BITS_PER_LONG) {				\
+			generic_handle_irq(irq_base + n);		\
+			n = find_next_bit(&status, BITS_PER_LONG, n+1);	\
+		}							\
+	}								\
+}
+
+#define SECOND_IRQ_CHIP(_name_, irq_base, prefix)			\
+SECOND_IRQ_MASK(_name_, irq_base, prefix)				\
+SECOND_IRQ_UNMASK(_name_, irq_base, prefix)				\
+SECOND_IRQ_DEMUX(_name_, irq_base, prefix)				\
+static struct irq_chip _name_##_irq_chip = {				\
+	.name		= #_name_,					\
+	.mask_ack	= _name_##_mask_irq,				\
+	.unmask		= _name_##_unmask_irq,				\
+}
+
+SECOND_IRQ_CHIP(pmic, IRQ_MMP2_PMIC_BASE, MMP2_ICU_INT4);
+SECOND_IRQ_CHIP(rtc,  IRQ_MMP2_RTC_BASE,  MMP2_ICU_INT5);
+SECOND_IRQ_CHIP(twsi, IRQ_MMP2_TWSI_BASE, MMP2_ICU_INT17);
+SECOND_IRQ_CHIP(misc, IRQ_MMP2_MISC_BASE, MMP2_ICU_INT35);
+SECOND_IRQ_CHIP(ssp,  IRQ_MMP2_SSP_BASE,  MMP2_ICU_INT51);
+
+static void init_mux_irq(struct irq_chip *chip, int start, int num)
+{
+	int irq;
+
+	for (irq = start; num > 0; irq++, num--) {
+		chip->mask_ack(irq);
+		set_irq_chip(irq, chip);
+		set_irq_flags(irq, IRQF_VALID);
+		set_irq_handler(irq, handle_level_irq);
+	}
+}
+
+void __init mmp2_init_irq(void)
+{
+	int irq;
+
+	for (irq = 0; irq < IRQ_MMP2_MUX_BASE; irq++) {
+		icu_mask_irq(irq);
+		set_irq_chip(irq, &icu_irq_chip);
+		set_irq_flags(irq, IRQF_VALID);
+
+		switch (irq) {
+		case IRQ_MMP2_PMIC_MUX:
+		case IRQ_MMP2_RTC_MUX:
+		case IRQ_MMP2_TWSI_MUX:
+		case IRQ_MMP2_MISC_MUX:
+		case IRQ_MMP2_SSP_MUX:
+			break;
+		default:
+			set_irq_handler(irq, handle_level_irq);
+			break;
+		}
+	}
+
+	init_mux_irq(&pmic_irq_chip, IRQ_MMP2_PMIC_BASE, 2);
+	init_mux_irq(&rtc_irq_chip, IRQ_MMP2_RTC_BASE, 2);
+	init_mux_irq(&twsi_irq_chip, IRQ_MMP2_TWSI_BASE, 5);
+	init_mux_irq(&misc_irq_chip, IRQ_MMP2_MISC_BASE, 15);
+	init_mux_irq(&ssp_irq_chip, IRQ_MMP2_SSP_BASE, 2);
+
+	set_irq_chained_handler(IRQ_MMP2_PMIC_MUX, pmic_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_RTC_MUX, rtc_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_TWSI_MUX, twsi_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_MISC_MUX, misc_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_SSP_MUX, ssp_irq_demux);
+}

arch/arm/mach-mmp/mmp2.c

+/*
+ * linux/arch/arm/mach-mmp/mmp2.c
+ *
+ * code name MMP2
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <mach/addr-map.h>
+#include <mach/regs-apbc.h>
+#include <mach/regs-apmu.h>
+#include <mach/cputype.h>
+#include <mach/irqs.h>
+#include <mach/mfp.h>
+#include <mach/devices.h>
+
+#include "common.h"
+#include "clock.h"
+
+#define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)
+
+/* APB peripheral clocks */
+static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
+static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);
+static APBC_CLK(uart3, MMP2_UART3, 1, 26000000);
+static APBC_CLK(uart4, MMP2_UART4, 1, 26000000);
+static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000);
+static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000);
+static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
+static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
+static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
+static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
+static APBC_CLK(rtc, MMP2_RTC, 0, 32768);
+
+static APMU_CLK(nand, NAND, 0xbf, 100000000);
+
+static struct clk_lookup mmp2_clkregs[] = {
+	INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
+	INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
+	INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
+	INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL),
+	INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL),
+	INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL),
+	INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL),
+	INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL),
+	INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
+	INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
+	INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
+};
+
+static int __init mmp2_init(void)
+{
+	if (cpu_is_mmp2()) {
+		mfp_init_base(MFPR_VIRT_BASE);
+		clks_register(ARRAY_AND_SIZE(mmp2_clkregs));
+	}
+
+	return 0;
+}
+postcore_initcall(mmp2_init);
+
+/* on-chip devices */
+MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5);
+MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21);
+MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23);
+MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19);
+MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70);
+MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70);
+MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70);
+MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70);
+MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70);
+MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70);
+MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29);
+

arch/arm/mach-mmp/time.c

@@ -30,7 +30,10 @@
 
 #include <mach/addr-map.h>
 #include <mach/regs-timers.h>
+#include <mach/regs-apbc.h>
 #include <mach/irqs.h>
+#include <mach/cputype.h>
+#include <asm/mach/time.h>
 
 #include "clock.h"
 
@@ -158,7 +161,7 @@ static void __init timer_config(void)
 
 	__raw_writel(cer & ~0x1, TIMERS_VIRT_BASE + TMR_CER); /* disable */
 
-	ccr &= TMR_CCR_CS_0(0x3);
+	ccr &= (cpu_is_mmp2()) ? TMR_CCR_CS_0(0) : TMR_CCR_CS_0(3);
 	__raw_writel(ccr, TIMERS_VIRT_BASE + TMR_CCR);
 
 	/* free-running mode */
@@ -197,3 +200,24 @@ void __init timer_init(int irq)
 	clocksource_register(&cksrc);
 	clockevents_register_device(&ckevt);
 }
+
+static void __init mmp2_timer_init(void)
+{
+	unsigned long clk_rst;
+
+	__raw_writel(APBC_APBCLK | APBC_RST, APBC_MMP2_TIMERS);
+
+	/*
+	 * enable bus/functional clock, enable 6.5MHz (divider 4),
+	 * release reset
+	 */
+	clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1);
+	__raw_writel(clk_rst, APBC_MMP2_TIMERS);
+
+	timer_init(IRQ_MMP2_TIMER1);
+}
+
+struct sys_timer mmp2_timer = {
+	.init	= mmp2_timer_init,
+};
+