[ARM] pxa: add base support for Marvell PXA910

Signed-off-by: Bin Yang <bin.yang@marvell.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

10 files changed, 453 insertions, 1 deletions

diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index b5232676355..ba2e377484f 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -1,6 +1,6 @@
 if ARCH_MMP
 
-menu "Marvell PXA168 Implmentations"
+menu "Marvell PXA168/910 Implmentations"
 
 config MACH_ASPENITE
 	bool "Marvell's PXA168 Aspenite Development Board"
@@ -24,4 +24,10 @@ config CPU_PXA168
 	help
 	  Select code specific to PXA168
 
+config CPU_PXA910
+	bool
+	select CPU_MOHAWK
+	help
+	  Select code specific to PXA910
+
 endif
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index 0ac7644ec99..93d2bc7459d 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -6,6 +6,7 @@ obj-y				+= common.o clock.o devices.o irq.o time.o
 
 # SoC support
 obj-$(CONFIG_CPU_PXA168)	+= pxa168.o
+obj-$(CONFIG_CPU_PXA910)	+= pxa910.o
 
 # board support
 obj-$(CONFIG_MACH_ASPENITE)	+= aspenite.o
diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h
index bf7a6a492de..c33fbbc4941 100644
--- a/arch/arm/mach-mmp/common.h
+++ b/arch/arm/mach-mmp/common.h
@@ -5,7 +5,9 @@ struct sys_timer;
 extern void timer_init(int irq);
 
 extern struct sys_timer pxa168_timer;
+extern struct sys_timer pxa910_timer;
 extern void __init pxa168_init_irq(void);
+extern void __init pxa910_init_irq(void);
 
 extern void __init icu_init_irq(void);
 extern void __init pxa_map_io(void);
diff --git a/arch/arm/mach-mmp/include/mach/cputype.h b/arch/arm/mach-mmp/include/mach/cputype.h
index 4ceed7a5075..25e797b0908 100644
--- a/arch/arm/mach-mmp/include/mach/cputype.h
+++ b/arch/arm/mach-mmp/include/mach/cputype.h
@@ -7,6 +7,7 @@
  *  CPU   Stepping   OLD_ID       CPU_ID      CHIP_ID
  *
  * PXA168    A0    0x41159263   0x56158400   0x00A0A333
+ * PXA910    Y0    0x41159262   0x56158000   0x00F0C910
  */
 
 #ifdef CONFIG_CPU_PXA168
@@ -16,6 +17,14 @@
 #  define __cpu_is_pxa168(id)	(0)
 #endif
 
+#ifdef CONFIG_CPU_PXA910
+#  define __cpu_is_pxa910(id)	\
+	({ unsigned int _id = ((id) >> 8) & 0xff; _id == 0x80; })
+#else
+#  define __cpu_is_pxa910(id)	(0)
+#endif
+
 #define cpu_is_pxa168()		({ __cpu_is_pxa168(read_cpuid_id()); })
+#define cpu_is_pxa910()		({ __cpu_is_pxa910(read_cpuid_id()); })
 
 #endif /* __ASM_MACH_CPUTYPE_H */
diff --git a/arch/arm/mach-mmp/include/mach/devices.h b/arch/arm/mach-mmp/include/mach/devices.h
index bc03388d5fd..24585397217 100644
--- a/arch/arm/mach-mmp/include/mach/devices.h
+++ b/arch/arm/mach-mmp/include/mach/devices.h
@@ -24,4 +24,14 @@ struct pxa_device_desc pxa168_device_##_name __initdata = {		\
 	.dma		= { _dma },					\
 };
 
+#define PXA910_DEVICE(_name, _drv, _id, _irq, _start, _size, _dma...)	\
+struct pxa_device_desc pxa910_device_##_name __initdata = {		\
+	.dev_name	= "pxa910-" #_name,				\
+	.drv_name	= _drv,						\
+	.id		= _id,						\
+	.irq		= IRQ_PXA910_##_irq,				\
+	.start		= _start,					\
+	.size		= _size,					\
+	.dma		= { _dma },					\
+};
 extern int pxa_register_device(struct pxa_device_desc *, void *, size_t);
diff --git a/arch/arm/mach-mmp/include/mach/irqs.h b/arch/arm/mach-mmp/include/mach/irqs.h
index 91ecb3fbca0..e83e45ebf7a 100644
--- a/arch/arm/mach-mmp/include/mach/irqs.h
+++ b/arch/arm/mach-mmp/include/mach/irqs.h
@@ -49,6 +49,67 @@
 #define IRQ_PXA168_PMU			60
 #define IRQ_PXA168_SM_INT		63
 
+/*
+ * Interrupt numbers for PXA910
+ */
+#define IRQ_PXA910_AIRQ			0
+#define IRQ_PXA910_SSP3			1
+#define IRQ_PXA910_SSP2			2
+#define IRQ_PXA910_SSP1			3
+#define IRQ_PXA910_PMIC_INT		4
+#define IRQ_PXA910_RTC_INT		5
+#define IRQ_PXA910_RTC_ALARM		6
+#define IRQ_PXA910_TWSI0		7
+#define IRQ_PXA910_GPU			8
+#define IRQ_PXA910_KEYPAD		9
+#define IRQ_PXA910_ROTARY		10
+#define IRQ_PXA910_TRACKBALL		11
+#define IRQ_PXA910_ONEWIRE		12
+#define IRQ_PXA910_AP1_TIMER1		13
+#define IRQ_PXA910_AP1_TIMER2		14
+#define IRQ_PXA910_AP1_TIMER3		15
+#define IRQ_PXA910_IPC_AP0		16
+#define IRQ_PXA910_IPC_AP1		17
+#define IRQ_PXA910_IPC_AP2		18
+#define IRQ_PXA910_IPC_AP3		19
+#define IRQ_PXA910_IPC_AP4		20
+#define IRQ_PXA910_IPC_CP0		21
+#define IRQ_PXA910_IPC_CP1		22
+#define IRQ_PXA910_IPC_CP2		23
+#define IRQ_PXA910_IPC_CP3		24
+#define IRQ_PXA910_IPC_CP4		25
+#define IRQ_PXA910_L2_DDR		26
+#define IRQ_PXA910_UART2		27
+#define IRQ_PXA910_UART3		28
+#define IRQ_PXA910_AP2_TIMER1		29
+#define IRQ_PXA910_AP2_TIMER2		30
+#define IRQ_PXA910_CP2_TIMER1		31
+#define IRQ_PXA910_CP2_TIMER2		32
+#define IRQ_PXA910_CP2_TIMER3		33
+#define IRQ_PXA910_GSSP			34
+#define IRQ_PXA910_CP2_WDT		35
+#define IRQ_PXA910_MAIN_PMU		36
+#define IRQ_PXA910_CP_FREQ_CHG		37
+#define IRQ_PXA910_AP_FREQ_CHG		38
+#define IRQ_PXA910_MMC			39
+#define IRQ_PXA910_AEU			40
+#define IRQ_PXA910_LCD			41
+#define IRQ_PXA910_CCIC			42
+#define IRQ_PXA910_IRE			43
+#define IRQ_PXA910_USB1			44
+#define IRQ_PXA910_NAND			45
+#define IRQ_PXA910_HIFI_DMA		46
+#define IRQ_PXA910_DMA_INT0		47
+#define IRQ_PXA910_DMA_INT1		48
+#define IRQ_PXA910_AP_GPIO		49
+#define IRQ_PXA910_AP2_TIMER3		50
+#define IRQ_PXA910_USB2			51
+#define IRQ_PXA910_TWSI1		54
+#define IRQ_PXA910_CP_GPIO		55
+#define IRQ_PXA910_UART1		59	/* Slow UART */
+#define IRQ_PXA910_AP_PMU		60
+#define IRQ_PXA910_SM_INT		63	/* from PinMux */
+
 #define IRQ_GPIO_START			64
 #define IRQ_GPIO_NUM			128
 #define IRQ_GPIO(x)			(IRQ_GPIO_START + (x))
diff --git a/arch/arm/mach-mmp/include/mach/mfp-pxa910.h b/arch/arm/mach-mmp/include/mach/mfp-pxa910.h
new file mode 100644
index 00000000000..48a1cbc7c56
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/mfp-pxa910.h
@@ -0,0 +1,157 @@
+#ifndef __ASM_MACH_MFP_PXA910_H
+#define __ASM_MACH_MFP_PXA910_H
+
+#include <mach/mfp.h>
+
+/* UART2 */
+#define GPIO47_UART2_RXD	MFP_CFG(GPIO47, AF6)
+#define GPIO48_UART2_TXD	MFP_CFG(GPIO48, AF6)
+
+/* UART3 */
+#define GPIO31_UART3_RXD	MFP_CFG(GPIO31, AF4)
+#define GPIO32_UART3_TXD	MFP_CFG(GPIO32, AF4)
+
+/*IRDA*/
+#define GPIO51_IRDA_SHDN	MFP_CFG(GPIO51, AF0)
+
+/* SMC */
+#define SM_nCS0_nCS0		MFP_CFG(SM_nCS0, AF0)
+#define SM_ADV_SM_ADV		MFP_CFG(SM_ADV, AF0)
+#define SM_SCLK_SM_SCLK		MFP_CFG(SM_SCLK, AF0)
+#define SM_SCLK_SM_SCLK		MFP_CFG(SM_SCLK, AF0)
+#define SM_BE0_SM_BE0		MFP_CFG(SM_BE0, AF1)
+#define SM_BE1_SM_BE1		MFP_CFG(SM_BE1, AF1)
+
+/* I2C */
+#define GPIO53_CI2C_SCL		MFP_CFG(GPIO53, AF2)
+#define GPIO54_CI2C_SDA		MFP_CFG(GPIO54, AF2)
+
+/* SSP1 (I2S) */
+#define GPIO24_SSP1_SDATA_IN	MFP_CFG_DRV(GPIO24, AF1, MEDIUM)
+#define GPIO21_SSP1_BITCLK	MFP_CFG_DRV(GPIO21, AF1, MEDIUM)
+#define GPIO20_SSP1_SYSCLK	MFP_CFG_DRV(GPIO20, AF1, MEDIUM)
+#define GPIO22_SSP1_SYNC	MFP_CFG_DRV(GPIO22, AF1, MEDIUM)
+#define GPIO23_SSP1_DATA_OUT	MFP_CFG_DRV(GPIO23, AF1, MEDIUM)
+#define GPIO124_MN_CLK_OUT	MFP_CFG_DRV(GPIO124, AF1, MEDIUM)
+#define GPIO123_CLK_REQ		MFP_CFG_DRV(GPIO123, AF0, MEDIUM)
+
+/* DFI */
+#define DF_IO0_ND_IO0		MFP_CFG(DF_IO0, AF0)
+#define DF_IO1_ND_IO1		MFP_CFG(DF_IO1, AF0)
+#define DF_IO2_ND_IO2		MFP_CFG(DF_IO2, AF0)
+#define DF_IO3_ND_IO3		MFP_CFG(DF_IO3, AF0)
+#define DF_IO4_ND_IO4		MFP_CFG(DF_IO4, AF0)
+#define DF_IO5_ND_IO5		MFP_CFG(DF_IO5, AF0)
+#define DF_IO6_ND_IO6		MFP_CFG(DF_IO6, AF0)
+#define DF_IO7_ND_IO7		MFP_CFG(DF_IO7, AF0)
+#define DF_IO8_ND_IO8		MFP_CFG(DF_IO8, AF0)
+#define DF_IO9_ND_IO9		MFP_CFG(DF_IO9, AF0)
+#define DF_IO10_ND_IO10		MFP_CFG(DF_IO10, AF0)
+#define DF_IO11_ND_IO11		MFP_CFG(DF_IO11, AF0)
+#define DF_IO12_ND_IO12		MFP_CFG(DF_IO12, AF0)
+#define DF_IO13_ND_IO13		MFP_CFG(DF_IO13, AF0)
+#define DF_IO14_ND_IO14		MFP_CFG(DF_IO14, AF0)
+#define DF_IO15_ND_IO15		MFP_CFG(DF_IO15, AF0)
+#define DF_nCS0_SM_nCS2_nCS0	MFP_CFG(DF_nCS0_SM_nCS2, AF0)
+#define DF_ALE_SM_WEn_ND_ALE	MFP_CFG(DF_ALE_SM_WEn, AF1)
+#define DF_CLE_SM_OEn_ND_CLE	MFP_CFG(DF_CLE_SM_OEn, AF0)
+#define DF_WEn_DF_WEn		MFP_CFG(DF_WEn, AF1)
+#define DF_REn_DF_REn		MFP_CFG(DF_REn, AF1)
+#define DF_RDY0_DF_RDY0		MFP_CFG(DF_RDY0, AF0)
+
+/*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)
+
+/* LCD */
+#define GPIO81_LCD_FCLK		MFP_CFG(GPIO81, AF1)
+#define GPIO82_LCD_LCLK		MFP_CFG(GPIO82, AF1)
+#define GPIO83_LCD_PCLK		MFP_CFG(GPIO83, AF1)
+#define GPIO84_LCD_DENA		MFP_CFG(GPIO84, AF1)
+#define GPIO85_LCD_DD0		MFP_CFG(GPIO85, AF1)
+#define GPIO86_LCD_DD1		MFP_CFG(GPIO86, AF1)
+#define GPIO87_LCD_DD2		MFP_CFG(GPIO87, AF1)
+#define GPIO88_LCD_DD3		MFP_CFG(GPIO88, AF1)
+#define GPIO89_LCD_DD4		MFP_CFG(GPIO89, AF1)
+#define GPIO90_LCD_DD5		MFP_CFG(GPIO90, AF1)
+#define GPIO91_LCD_DD6		MFP_CFG(GPIO91, AF1)
+#define GPIO92_LCD_DD7		MFP_CFG(GPIO92, AF1)
+#define GPIO93_LCD_DD8		MFP_CFG(GPIO93, AF1)
+#define GPIO94_LCD_DD9		MFP_CFG(GPIO94, AF1)
+#define GPIO95_LCD_DD10		MFP_CFG(GPIO95, AF1)
+#define GPIO96_LCD_DD11		MFP_CFG(GPIO96, AF1)
+#define GPIO97_LCD_DD12		MFP_CFG(GPIO97, AF1)
+#define GPIO98_LCD_DD13		MFP_CFG(GPIO98, AF1)
+#define GPIO100_LCD_DD14	MFP_CFG(GPIO100, AF1)
+#define GPIO101_LCD_DD15	MFP_CFG(GPIO101, AF1)
+#define GPIO102_LCD_DD16	MFP_CFG(GPIO102, AF1)
+#define GPIO103_LCD_DD17	MFP_CFG(GPIO103, AF1)
+#define GPIO104_LCD_DD18	MFP_CFG(GPIO104, AF1)
+#define GPIO105_LCD_DD19	MFP_CFG(GPIO105, AF1)
+#define GPIO106_LCD_DD20	MFP_CFG(GPIO106, AF1)
+#define GPIO107_LCD_DD21	MFP_CFG(GPIO107, AF1)
+#define GPIO108_LCD_DD22	MFP_CFG(GPIO108, AF1)
+#define GPIO109_LCD_DD23	MFP_CFG(GPIO109, AF1)
+
+#define GPIO104_LCD_SPIDOUT	MFP_CFG(GPIO104, AF3)
+#define GPIO105_LCD_SPIDIN	MFP_CFG(GPIO105, AF3)
+#define GPIO107_LCD_CS1 	MFP_CFG(GPIO107, AF3)
+#define GPIO108_LCD_DCLK	MFP_CFG(GPIO108, AF3)
+
+#define GPIO106_LCD_RESET	MFP_CFG(GPIO106, AF0)
+
+/*smart panel*/
+#define GPIO82_LCD_A0		MFP_CFG(GPIO82, AF0)
+#define GPIO83_LCD_WR		MFP_CFG(GPIO83, AF0)
+#define GPIO103_LCD_CS		MFP_CFG(GPIO103, AF0)
+
+/*1wire*/
+#define GPIO106_1WIRE		MFP_CFG(GPIO106, AF3)
+
+/*CCIC*/
+#define GPIO67_CCIC_IN7		MFP_CFG_DRV(GPIO67, AF1, MEDIUM)
+#define GPIO68_CCIC_IN6		MFP_CFG_DRV(GPIO68, AF1, MEDIUM)
+#define GPIO69_CCIC_IN5		MFP_CFG_DRV(GPIO69, AF1, MEDIUM)
+#define GPIO70_CCIC_IN4		MFP_CFG_DRV(GPIO70, AF1, MEDIUM)
+#define GPIO71_CCIC_IN3		MFP_CFG_DRV(GPIO71, AF1, MEDIUM)
+#define GPIO72_CCIC_IN2		MFP_CFG_DRV(GPIO72, AF1, MEDIUM)
+#define GPIO73_CCIC_IN1		MFP_CFG_DRV(GPIO73, AF1, MEDIUM)
+#define GPIO74_CCIC_IN0		MFP_CFG_DRV(GPIO74, AF1, MEDIUM)
+#define GPIO75_CAM_HSYNC	MFP_CFG_DRV(GPIO75, AF1, MEDIUM)
+#define GPIO76_CAM_VSYNC	MFP_CFG_DRV(GPIO76, AF1, MEDIUM)
+#define GPIO77_CAM_MCLK		MFP_CFG_DRV(GPIO77, AF1, MEDIUM)
+#define GPIO78_CAM_PCLK		MFP_CFG_DRV(GPIO78, AF1, MEDIUM)
+
+/* MMC1 */
+#define MMC1_DAT7_MMC1_DAT7	MFP_CFG_DRV(MMC1_DAT7, AF0, MEDIUM)
+#define MMC1_DAT6_MMC1_DAT6	MFP_CFG_DRV(MMC1_DAT6, AF0, MEDIUM)
+#define MMC1_DAT5_MMC1_DAT5	MFP_CFG_DRV(MMC1_DAT5, AF0, MEDIUM)
+#define MMC1_DAT4_MMC1_DAT4	MFP_CFG_DRV(MMC1_DAT4, AF0, MEDIUM)
+#define MMC1_DAT3_MMC1_DAT3	MFP_CFG_DRV(MMC1_DAT3, AF0, MEDIUM)
+#define MMC1_DAT2_MMC1_DAT2	MFP_CFG_DRV(MMC1_DAT2, AF0, MEDIUM)
+#define MMC1_DAT1_MMC1_DAT1	MFP_CFG_DRV(MMC1_DAT1, AF0, MEDIUM)
+#define MMC1_DAT0_MMC1_DAT0	MFP_CFG_DRV(MMC1_DAT0, AF0, MEDIUM)
+#define MMC1_CMD_MMC1_CMD	MFP_CFG_DRV(MMC1_CMD, AF0, MEDIUM)
+#define MMC1_CLK_MMC1_CLK	MFP_CFG_DRV(MMC1_CLK, AF0, MEDIUM)
+#define MMC1_CD_MMC1_CD		MFP_CFG_DRV(MMC1_CD, AF0, MEDIUM)
+#define MMC1_WP_MMC1_WP		MFP_CFG_DRV(MMC1_WP, AF0, MEDIUM)
+
+#endif /* __ASM_MACH MFP_PXA910_H */
diff --git a/arch/arm/mach-mmp/include/mach/pxa910.h b/arch/arm/mach-mmp/include/mach/pxa910.h
new file mode 100644
index 00000000000..b7aeaf574c3
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/pxa910.h
@@ -0,0 +1,23 @@
+#ifndef __ASM_MACH_PXA910_H
+#define __ASM_MACH_PXA910_H
+
+#include <mach/devices.h>
+
+extern struct pxa_device_desc pxa910_device_uart1;
+extern struct pxa_device_desc pxa910_device_uart2;
+
+static inline int pxa910_add_uart(int id)
+{
+	struct pxa_device_desc *d = NULL;
+
+	switch (id) {
+	case 1: d = &pxa910_device_uart1; break;
+	case 2: d = &pxa910_device_uart2; break;
+	}
+
+	if (d == NULL)
+		return -EINVAL;
+
+	return pxa_register_device(d, NULL, 0);
+}
+#endif /* __ASM_MACH_PXA910_H */
diff --git a/arch/arm/mach-mmp/include/mach/regs-apbc.h b/arch/arm/mach-mmp/include/mach/regs-apbc.h
index e0ffae59487..c6b8c9dc202 100644
--- a/arch/arm/mach-mmp/include/mach/regs-apbc.h
+++ b/arch/arm/mach-mmp/include/mach/regs-apbc.h
@@ -42,6 +42,31 @@
 #define APBC_PXA168_UART3	APBC_REG(0x070)
 #define APBC_PXA168_AC97	APBC_REG(0x084)
 
+/*
+ * APB Clock register offsets for PXA910
+ */
+#define APBC_PXA910_UART0	APBC_REG(0x000)
+#define APBC_PXA910_UART1	APBC_REG(0x004)
+#define APBC_PXA910_GPIO	APBC_REG(0x008)
+#define APBC_PXA910_PWM0	APBC_REG(0x00c)
+#define APBC_PXA910_PWM1	APBC_REG(0x010)
+#define APBC_PXA910_PWM2	APBC_REG(0x014)
+#define APBC_PXA910_PWM3	APBC_REG(0x018)
+#define APBC_PXA910_SSP1	APBC_REG(0x01c)
+#define APBC_PXA910_SSP2	APBC_REG(0x020)
+#define APBC_PXA910_IPC		APBC_REG(0x024)
+#define APBC_PXA910_TWSI0	APBC_REG(0x02c)
+#define APBC_PXA910_KPC		APBC_REG(0x030)
+#define APBC_PXA910_TIMERS	APBC_REG(0x034)
+#define APBC_PXA910_TBROT	APBC_REG(0x038)
+#define APBC_PXA910_AIB		APBC_REG(0x03c)
+#define APBC_PXA910_SW_JTAG	APBC_REG(0x040)
+#define APBC_PXA910_TIMERS1	APBC_REG(0x044)
+#define APBC_PXA910_ONEWIRE	APBC_REG(0x048)
+#define APBC_PXA910_SSP3	APBC_REG(0x04c)
+#define APBC_PXA910_ASFAR	APBC_REG(0x050)
+#define APBC_PXA910_ASSAR	APBC_REG(0x054)
+
 /* Common APB clock register bit definitions */
 #define APBC_APBCLK	(1 << 0)  /* APB Bus Clock Enable */
 #define APBC_FNCLK	(1 << 1)  /* Functional Clock Enable */
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
new file mode 100644
index 00000000000..453f8f7758b
--- /dev/null
+++ b/arch/arm/mach-mmp/pxa910.c
@@ -0,0 +1,158 @@
+/*
+ *  linux/arch/arm/mach-mmp/pxa910.c
+ *
+ *  Code specific to PXA910
+ *
+ * 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/list.h>
+#include <linux/io.h>
+
+#include <asm/mach/time.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/gpio.h>
+#include <mach/dma.h>
+#include <mach/mfp.h>
+#include <mach/devices.h>
+
+#include "common.h"
+#include "clock.h"
+
+#define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)
+
+static struct mfp_addr_map pxa910_mfp_addr_map[] __initdata =
+{
+	MFP_ADDR_X(GPIO0, GPIO54, 0xdc),
+	MFP_ADDR_X(GPIO67, GPIO98, 0x1b8),
+	MFP_ADDR_X(GPIO100, GPIO109, 0x238),
+
+	MFP_ADDR(GPIO123, 0xcc),
+	MFP_ADDR(GPIO124, 0xd0),
+
+	MFP_ADDR(DF_IO0, 0x40),
+	MFP_ADDR(DF_IO1, 0x3c),
+	MFP_ADDR(DF_IO2, 0x38),
+	MFP_ADDR(DF_IO3, 0x34),
+	MFP_ADDR(DF_IO4, 0x30),
+	MFP_ADDR(DF_IO5, 0x2c),
+	MFP_ADDR(DF_IO6, 0x28),
+	MFP_ADDR(DF_IO7, 0x24),
+	MFP_ADDR(DF_IO8, 0x20),
+	MFP_ADDR(DF_IO9, 0x1c),
+	MFP_ADDR(DF_IO10, 0x18),
+	MFP_ADDR(DF_IO11, 0x14),
+	MFP_ADDR(DF_IO12, 0x10),
+	MFP_ADDR(DF_IO13, 0xc),
+	MFP_ADDR(DF_IO14, 0x8),
+	MFP_ADDR(DF_IO15, 0x4),
+
+	MFP_ADDR(DF_nCS0_SM_nCS2, 0x44),
+	MFP_ADDR(DF_nCS1_SM_nCS3, 0x48),
+	MFP_ADDR(SM_nCS0, 0x4c),
+	MFP_ADDR(SM_nCS1, 0x50),
+	MFP_ADDR(DF_WEn, 0x54),
+	MFP_ADDR(DF_REn, 0x58),
+	MFP_ADDR(DF_CLE_SM_OEn, 0x5c),
+	MFP_ADDR(DF_ALE_SM_WEn, 0x60),
+	MFP_ADDR(SM_SCLK, 0x64),
+	MFP_ADDR(DF_RDY0, 0x68),
+	MFP_ADDR(SM_BE0, 0x6c),
+	MFP_ADDR(SM_BE1, 0x70),
+	MFP_ADDR(SM_ADV, 0x74),
+	MFP_ADDR(DF_RDY1, 0x78),
+	MFP_ADDR(SM_ADVMUX, 0x7c),
+	MFP_ADDR(SM_RDY, 0x80),
+
+	MFP_ADDR_X(MMC1_DAT7, MMC1_WP, 0x84),
+
+	MFP_ADDR_END,
+};
+
+#define APMASK(i)	(GPIO_REGS_VIRT + BANK_OFF(i) + 0x09c)
+
+static void __init pxa910_init_gpio(void)
+{
+	int i;
+
+	/* enable GPIO clock */
+	__raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_PXA910_GPIO);
+
+	/* unmask GPIO edge detection for all 4 banks - APMASKx */
+	for (i = 0; i < 4; i++)
+		__raw_writel(0xffffffff, APMASK(i));
+
+	pxa_init_gpio(IRQ_PXA910_AP_GPIO, 0, 127, NULL);
+}
+
+void __init pxa910_init_irq(void)
+{
+	icu_init_irq();
+	pxa910_init_gpio();
+}
+
+/* APB peripheral clocks */
+static APBC_CLK(uart1, PXA910_UART0, 1, 14745600);
+static APBC_CLK(uart2, PXA910_UART1, 1, 14745600);
+
+/* device and clock bindings */
+static struct clk_lookup pxa910_clkregs[] = {
+	INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
+	INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
+};
+
+static int __init pxa910_init(void)
+{
+	if (cpu_is_pxa910()) {
+		mfp_init_base(MFPR_VIRT_BASE);
+		mfp_init_addr(pxa910_mfp_addr_map);
+		pxa_init_dma(IRQ_PXA910_DMA_INT0, 32);
+		clks_register(ARRAY_AND_SIZE(pxa910_clkregs));
+	}
+
+	return 0;
+}
+postcore_initcall(pxa910_init);
+
+/* system timer - clock enabled, 3.25MHz */
+#define TIMER_CLK_RST	(APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3))
+
+static void __init pxa910_timer_init(void)
+{
+	/* reset and configure */
+	__raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA910_TIMERS);
+	__raw_writel(TIMER_CLK_RST, APBC_PXA910_TIMERS);
+
+	timer_init(IRQ_PXA910_AP1_TIMER1);
+}
+
+struct sys_timer pxa910_timer = {
+	.init	= pxa910_timer_init,
+};
+
+/* on-chip devices */
+
+/* NOTE: there are totally 3 UARTs on PXA910:
+ *
+ *   UART1   - Slow UART (can be used both by AP and CP)
+ *   UART2/3 - Fast UART
+ *
+ * To be backward compatible with the legacy FFUART/BTUART/STUART sequence,
+ * they are re-ordered as:
+ *
+ *   pxa910_device_uart1 - UART2 as FFUART
+ *   pxa910_device_uart2 - UART3 as BTUART
+ *
+ * UART1 is not used by AP for the moment.
+ */
+PXA910_DEVICE(uart1, "pxa2xx-uart", 0, UART2, 0xd4017000, 0x30, 21, 22);
+PXA910_DEVICE(uart2, "pxa2xx-uart", 1, UART3, 0xd4018000, 0x30, 23, 24);