ARM: pxa: support pxa95x

The core of PXA955 is PJ4. Add new PJ4 support. And add new macro
CONFIG_PXA95x.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/Kconfig

@@ -651,11 +651,17 @@ config CPU_PXA935
 	help
 	  PXA935 (codename Tavor-P65)
 
-config CPU_PXA950
+config PXA95x
 	bool
-	select CPU_PXA930
+	select CPU_PJ4
+	help
+	  Select code specific to PXA95x variants
+
+config CPU_PXA955
+	bool
+	select PXA95x
 	help
-	  PXA950 (codename Tavor-PV2)
+	  PXA950 (codename MG1)
 
 config PXA_SHARP_C7xx
 	bool

arch/arm/mach-pxa/Makefile

@@ -19,6 +19,7 @@ endif
 obj-$(CONFIG_PXA25x)		+= mfp-pxa2xx.o clock-pxa2xx.o pxa2xx.o pxa25x.o
 obj-$(CONFIG_PXA27x)		+= mfp-pxa2xx.o clock-pxa2xx.o pxa2xx.o pxa27x.o
 obj-$(CONFIG_PXA3xx)		+= mfp-pxa3xx.o clock-pxa3xx.o pxa3xx.o smemc.o pxa3xx-ulpi.o
+obj-$(CONFIG_PXA95x)		+= mfp-pxa3xx.o clock-pxa3xx.o pxa95x.o smemc.o
 obj-$(CONFIG_CPU_PXA300)	+= pxa300.o
 obj-$(CONFIG_CPU_PXA320)	+= pxa320.o
 obj-$(CONFIG_CPU_PXA930)	+= pxa930.o

arch/arm/mach-pxa/clock-pxa3xx.c

@@ -192,7 +192,7 @@ struct sysdev_class pxa3xx_clock_sysclass = {
 
 static int __init pxa3xx_clock_init(void)
 {
-	if (cpu_is_pxa3xx())
+	if (cpu_is_pxa3xx() || cpu_is_pxa95x())
 		return sysdev_class_register(&pxa3xx_clock_sysclass);
 	return 0;
 }

arch/arm/mach-pxa/clock.h

@@ -56,7 +56,7 @@ void clk_pxa2xx_cken_disable(struct clk *clk);
 
 extern struct sysdev_class pxa2xx_clock_sysclass;
 
-#ifdef CONFIG_PXA3xx
+#if defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x)
 #define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay)	\
 struct clk clk_##_name = {				\
 		.ops	= &clk_pxa3xx_cken_ops,		\

arch/arm/mach-pxa/devices.c

@@ -342,27 +342,6 @@ struct platform_device pxa27x_device_i2c_power = {
 };
 #endif
 
-#ifdef CONFIG_PXA3xx
-static struct resource pxa3xx_resources_i2c_power[] = {
-	{
-		.start  = 0x40f500c0,
-		.end    = 0x40f500d3,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= IRQ_PWRI2C,
-		.end	= IRQ_PWRI2C,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-struct platform_device pxa3xx_device_i2c_power = {
-	.name		= "pxa3xx-pwri2c",
-	.id		= 1,
-	.resource	= pxa3xx_resources_i2c_power,
-	.num_resources	= ARRAY_SIZE(pxa3xx_resources_i2c_power),
-};
-#endif
-
 static struct resource pxai2s_resources[] = {
 	{
 		.start	= 0x40400000,
@@ -633,30 +612,35 @@ struct platform_device pxa25x_device_assp = {
 #endif /* CONFIG_PXA25x */
 
 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
-
-static struct resource pxa27x_resource_keypad[] = {
+static struct resource pxa27x_resource_camera[] = {
 	[0] = {
-		.start	= 0x41500000,
-		.end	= 0x4150004c,
+		.start	= 0x50000000,
+		.end	= 0x50000fff,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start	= IRQ_KEYPAD,
-		.end	= IRQ_KEYPAD,
+		.start	= IRQ_CAMERA,
+		.end	= IRQ_CAMERA,
 		.flags	= IORESOURCE_IRQ,
 	},
 };
 
-struct platform_device pxa27x_device_keypad = {
-	.name		= "pxa27x-keypad",
-	.id		= -1,
-	.resource	= pxa27x_resource_keypad,
-	.num_resources	= ARRAY_SIZE(pxa27x_resource_keypad),
+static u64 pxa27x_dma_mask_camera = DMA_BIT_MASK(32);
+
+static struct platform_device pxa27x_device_camera = {
+	.name		= "pxa27x-camera",
+	.id		= 0, /* This is used to put cameras on this interface */
+	.dev		= {
+		.dma_mask      		= &pxa27x_dma_mask_camera,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(pxa27x_resource_camera),
+	.resource	= pxa27x_resource_camera,
 };
 
-void __init pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info)
+void __init pxa_set_camera_info(struct pxacamera_platform_data *info)
 {
-	pxa_register_device(&pxa27x_device_keypad, info);
+	pxa_register_device(&pxa27x_device_camera, info);
 }
 
 static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32);
@@ -689,6 +673,33 @@ void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
 {
 	pxa_register_device(&pxa27x_device_ohci, info);
 }
+#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
+
+#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x)
+static struct resource pxa27x_resource_keypad[] = {
+	[0] = {
+		.start	= 0x41500000,
+		.end	= 0x4150004c,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_KEYPAD,
+		.end	= IRQ_KEYPAD,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device pxa27x_device_keypad = {
+	.name		= "pxa27x-keypad",
+	.id		= -1,
+	.resource	= pxa27x_resource_keypad,
+	.num_resources	= ARRAY_SIZE(pxa27x_resource_keypad),
+};
+
+void __init pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info)
+{
+	pxa_register_device(&pxa27x_device_keypad, info);
+}
 
 static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32);
 
@@ -833,79 +844,9 @@ struct platform_device pxa27x_device_pwm1 = {
 	.resource	= pxa27x_resource_pwm1,
 	.num_resources	= ARRAY_SIZE(pxa27x_resource_pwm1),
 };
-
-static struct resource pxa27x_resource_camera[] = {
-	[0] = {
-		.start	= 0x50000000,
-		.end	= 0x50000fff,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_CAMERA,
-		.end	= IRQ_CAMERA,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static u64 pxa27x_dma_mask_camera = DMA_BIT_MASK(32);
-
-static struct platform_device pxa27x_device_camera = {
-	.name		= "pxa27x-camera",
-	.id		= 0, /* This is used to put cameras on this interface */
-	.dev		= {
-		.dma_mask      		= &pxa27x_dma_mask_camera,
-		.coherent_dma_mask	= 0xffffffff,
-	},
-	.num_resources	= ARRAY_SIZE(pxa27x_resource_camera),
-	.resource	= pxa27x_resource_camera,
-};
-
-void __init pxa_set_camera_info(struct pxacamera_platform_data *info)
-{
-	pxa_register_device(&pxa27x_device_camera, info);
-}
-#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
+#endif /* CONFIG_PXA27x || CONFIG_PXA3xx || CONFIG_PXA95x*/
 
 #ifdef CONFIG_PXA3xx
-static u64 pxa3xx_ssp4_dma_mask = DMA_BIT_MASK(32);
-
-static struct resource pxa3xx_resource_ssp4[] = {
-	[0] = {
-		.start	= 0x41a00000,
-		.end	= 0x41a0003f,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_SSP4,
-		.end	= IRQ_SSP4,
-		.flags	= IORESOURCE_IRQ,
-	},
-	[2] = {
-		/* DRCMR for RX */
-		.start	= 2,
-		.end	= 2,
-		.flags	= IORESOURCE_DMA,
-	},
-	[3] = {
-		/* DRCMR for TX */
-		.start	= 3,
-		.end	= 3,
-		.flags	= IORESOURCE_DMA,
-	},
-};
-
-struct platform_device pxa3xx_device_ssp4 = {
-	/* PXA3xx SSP is basically equivalent to PXA27x */
-	.name		= "pxa27x-ssp",
-	.id		= 3,
-	.dev		= {
-		.dma_mask = &pxa3xx_ssp4_dma_mask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-	},
-	.resource	= pxa3xx_resource_ssp4,
-	.num_resources	= ARRAY_SIZE(pxa3xx_resource_ssp4),
-};
-
 static struct resource pxa3xx_resources_mci2[] = {
 	[0] = {
 		.start	= 0x42000000,
@@ -984,6 +925,54 @@ void __init pxa3xx_set_mci3_info(struct pxamci_platform_data *info)
 	pxa_register_device(&pxa3xx_device_mci3, info);
 }
 
+static struct resource pxa3xx_resources_gcu[] = {
+	{
+		.start	= 0x54000000,
+		.end	= 0x54000fff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_GCU,
+		.end	= IRQ_GCU,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 pxa3xx_gcu_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device pxa3xx_device_gcu = {
+	.name		= "pxa3xx-gcu",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(pxa3xx_resources_gcu),
+	.resource	= pxa3xx_resources_gcu,
+	.dev		= {
+		.dma_mask = &pxa3xx_gcu_dmamask,
+		.coherent_dma_mask = 0xffffffff,
+	},
+};
+
+#endif /* CONFIG_PXA3xx */
+
+#if defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x)
+static struct resource pxa3xx_resources_i2c_power[] = {
+	{
+		.start  = 0x40f500c0,
+		.end    = 0x40f500d3,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_PWRI2C,
+		.end	= IRQ_PWRI2C,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device pxa3xx_device_i2c_power = {
+	.name		= "pxa3xx-pwri2c",
+	.id		= 1,
+	.resource	= pxa3xx_resources_i2c_power,
+	.num_resources	= ARRAY_SIZE(pxa3xx_resources_i2c_power),
+};
+
 static struct resource pxa3xx_resources_nand[] = {
 	[0] = {
 		.start	= 0x43100000,
@@ -1027,33 +1016,45 @@ void __init pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info)
 	pxa_register_device(&pxa3xx_device_nand, info);
 }
 
-static struct resource pxa3xx_resources_gcu[] = {
-	{
-		.start	= 0x54000000,
-		.end	= 0x54000fff,
+static u64 pxa3xx_ssp4_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa3xx_resource_ssp4[] = {
+	[0] = {
+		.start	= 0x41a00000,
+		.end	= 0x41a0003f,
 		.flags	= IORESOURCE_MEM,
 	},
-	{
-		.start	= IRQ_GCU,
-		.end	= IRQ_GCU,
+	[1] = {
+		.start	= IRQ_SSP4,
+		.end	= IRQ_SSP4,
 		.flags	= IORESOURCE_IRQ,
 	},
+	[2] = {
+		/* DRCMR for RX */
+		.start	= 2,
+		.end	= 2,
+		.flags	= IORESOURCE_DMA,
+	},
+	[3] = {
+		/* DRCMR for TX */
+		.start	= 3,
+		.end	= 3,
+		.flags	= IORESOURCE_DMA,
+	},
 };
 
-static u64 pxa3xx_gcu_dmamask = DMA_BIT_MASK(32);
-
-struct platform_device pxa3xx_device_gcu = {
-	.name		= "pxa3xx-gcu",
-	.id		= -1,
-	.num_resources	= ARRAY_SIZE(pxa3xx_resources_gcu),
-	.resource	= pxa3xx_resources_gcu,
+struct platform_device pxa3xx_device_ssp4 = {
+	/* PXA3xx SSP is basically equivalent to PXA27x */
+	.name		= "pxa27x-ssp",
+	.id		= 3,
 	.dev		= {
-		.dma_mask = &pxa3xx_gcu_dmamask,
-		.coherent_dma_mask = 0xffffffff,
+		.dma_mask = &pxa3xx_ssp4_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
+	.resource	= pxa3xx_resource_ssp4,
+	.num_resources	= ARRAY_SIZE(pxa3xx_resource_ssp4),
 };
-
-#endif /* CONFIG_PXA3xx */
+#endif /* CONFIG_PXA3xx || CONFIG_PXA95x */
 
 /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1.
  * See comment in arch/arm/mach-pxa/ssp.c::ssp_probe() */

arch/arm/mach-pxa/generic.c

@@ -29,6 +29,7 @@
 #include <mach/reset.h>
 #include <mach/gpio.h>
 #include <mach/smemc.h>
+#include <mach/pxa3xx-regs.h>
 
 #include "generic.h"
 
@@ -36,9 +37,10 @@ void clear_reset_status(unsigned int mask)
 {
 	if (cpu_is_pxa2xx())
 		pxa2xx_clear_reset_status(mask);
-
-	if (cpu_is_pxa3xx())
-		pxa3xx_clear_reset_status(mask);
+	else {
+		/* RESET_STATUS_* has a 1:1 mapping with ARSR */
+		ARSR = mask;
+	}
 }
 
 unsigned long get_clock_tick_rate(void)

arch/arm/mach-pxa/generic.h

@@ -20,6 +20,7 @@ extern void __init pxa26x_init_irq(void);
 #endif
 extern void __init pxa27x_init_irq(void);
 extern void __init pxa3xx_init_irq(void);
+extern void __init pxa95x_init_irq(void);
 
 extern void __init pxa_map_io(void);
 extern void __init pxa25x_map_io(void);
@@ -54,10 +55,8 @@ static inline void pxa2xx_clear_reset_status(unsigned int mask) {}
 
 #ifdef CONFIG_PXA3xx
 extern unsigned pxa3xx_get_clk_frequency_khz(int);
-extern void pxa3xx_clear_reset_status(unsigned int);
 #else
 #define pxa3xx_get_clk_frequency_khz(x)		(0)
-static inline void pxa3xx_clear_reset_status(unsigned int mask) {}
 #endif
 
 extern struct sysdev_class pxa_irq_sysclass;

arch/arm/mach-pxa/include/mach/hardware.h

@@ -195,14 +195,15 @@
 #define __cpu_is_pxa935(id)	(0)
 #endif
 
-#ifdef CONFIG_CPU_PXA950
-#define __cpu_is_pxa950(id)                             \
-	({                                              \
+#ifdef CONFIG_CPU_PXA955
+#define __cpu_is_pxa955(id)				\
+	({						\
 		unsigned int _id = (id) >> 4 & 0xfff;	\
-		_id == 0x697;				\
-	 })
+		_id == 0x581 || _id == 0xc08		\
+			|| _id == 0xb76;		\
+	})
 #else
-#define __cpu_is_pxa950(id)	(0)
+#define __cpu_is_pxa955(id)	(0)
 #endif
 
 #define cpu_is_pxa210()					\
@@ -255,10 +256,10 @@
 		__cpu_is_pxa935(read_cpuid_id());	\
 	 })
 
-#define cpu_is_pxa950()					\
+#define cpu_is_pxa955()					\
 	({						\
-		__cpu_is_pxa950(read_cpuid_id());	\
-	 })
+		__cpu_is_pxa955(read_cpuid_id());	\
+	})
 
 
 /*
@@ -297,6 +298,15 @@
 #define __cpu_is_pxa93x(id)	(0)
 #endif
 
+#ifdef CONFIG_PXA95x
+#define __cpu_is_pxa95x(id)				\
+	({						\
+		__cpu_is_pxa955(id);			\
+	})
+#else
+#define __cpu_is_pxa95x(id)	(0)
+#endif
+
 #define cpu_is_pxa2xx()					\
 	({						\
 		__cpu_is_pxa2xx(read_cpuid_id());	\
@@ -311,6 +321,12 @@
 	({						\
 		__cpu_is_pxa93x(read_cpuid_id());	\
 	 })
+
+#define cpu_is_pxa95x()					\
+	({						\
+		__cpu_is_pxa95x(read_cpuid_id());	\
+	})
+
 /*
  * return current memory and LCD clock frequency in units of 10kHz
  */

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

@@ -84,6 +84,7 @@
 #define IRQ_PXA935_MMC0	PXA_IRQ(72)	/* MMC0 Controller (PXA935) */
 #define IRQ_PXA935_MMC1	PXA_IRQ(73)	/* MMC1 Controller (PXA935) */
 #define IRQ_PXA935_MMC2	PXA_IRQ(74)	/* MMC2 Controller (PXA935) */
+#define IRQ_PXA955_MMC3	PXA_IRQ(75)	/* MMC3 Controller (PXA955) */
 #define IRQ_U2P		PXA_IRQ(93)	/* USB PHY D+/D- Lines (PXA935) */
 
 #define PXA_GPIO_IRQ_BASE	PXA_IRQ(96)

arch/arm/mach-pxa/pxa3xx.c

@@ -41,12 +41,6 @@
 #define PECR_IE(n)	((1 << ((n) * 2)) << 28)
 #define PECR_IS(n)	((1 << ((n) * 2)) << 29)
 
-void pxa3xx_clear_reset_status(unsigned int mask)
-{
-	/* RESET_STATUS_* has a 1:1 mapping with ARSR */
-	ARSR = mask;
-}
-
 static DEFINE_PXA3_CKEN(pxa3xx_ffuart, FFUART, 14857000, 1);
 static DEFINE_PXA3_CKEN(pxa3xx_btuart, BTUART, 14857000, 1);
 static DEFINE_PXA3_CKEN(pxa3xx_stuart, STUART, 14857000, 1);

arch/arm/mach-pxa/pxa930.c

@@ -192,7 +192,7 @@ static struct mfp_addr_map pxa935_mfp_addr_map[] __initdata = {
 
 static int __init pxa930_init(void)
 {
-	if (cpu_is_pxa930() || cpu_is_pxa935() || cpu_is_pxa950()) {
+	if (cpu_is_pxa93x()) {
 		mfp_init_base(io_p2v(MFPR_BASE));
 		mfp_init_addr(pxa930_mfp_addr_map);
 	}

arch/arm/mach-pxa/pxa95x.c

+/*
+ * linux/arch/arm/mach-pxa/pxa95x.c
+ *
+ * code specific to PXA95x aka MGx
+ *
+ * Copyright (C) 2009-2010 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/pm.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+
+#include <mach/hardware.h>
+#include <mach/gpio.h>
+#include <mach/pxa3xx-regs.h>
+#include <mach/pxa930.h>
+#include <mach/reset.h>
+#include <mach/pm.h>
+#include <mach/dma.h>
+#include <mach/regs-intc.h>
+#include <plat/i2c.h>
+
+#include "generic.h"
+#include "devices.h"
+#include "clock.h"
+
+static struct mfp_addr_map pxa95x_mfp_addr_map[] __initdata = {
+
+	MFP_ADDR(GPIO0, 0x02e0),
+	MFP_ADDR(GPIO1, 0x02dc),
+	MFP_ADDR(GPIO2, 0x02e8),
+	MFP_ADDR(GPIO3, 0x02d8),
+	MFP_ADDR(GPIO4, 0x02e4),
+	MFP_ADDR(GPIO5, 0x02ec),
+	MFP_ADDR(GPIO6, 0x02f8),
+	MFP_ADDR(GPIO7, 0x02fc),
+	MFP_ADDR(GPIO8, 0x0300),
+	MFP_ADDR(GPIO9, 0x02d4),
+	MFP_ADDR(GPIO10, 0x02f4),
+	MFP_ADDR(GPIO11, 0x02f0),
+	MFP_ADDR(GPIO12, 0x0304),
+	MFP_ADDR(GPIO13, 0x0310),
+	MFP_ADDR(GPIO14, 0x0308),
+	MFP_ADDR(GPIO15, 0x030c),
+	MFP_ADDR(GPIO16, 0x04e8),
+	MFP_ADDR(GPIO17, 0x04f4),
+	MFP_ADDR(GPIO18, 0x04f8),
+	MFP_ADDR(GPIO19, 0x04fc),
+	MFP_ADDR(GPIO20, 0x0518),
+	MFP_ADDR(GPIO21, 0x051c),
+	MFP_ADDR(GPIO22, 0x04ec),
+	MFP_ADDR(GPIO23, 0x0500),
+	MFP_ADDR(GPIO24, 0x04f0),
+	MFP_ADDR(GPIO25, 0x0504),
+	MFP_ADDR(GPIO26, 0x0510),
+	MFP_ADDR(GPIO27, 0x0514),
+	MFP_ADDR(GPIO28, 0x0520),
+	MFP_ADDR(GPIO29, 0x0600),
+	MFP_ADDR(GPIO30, 0x0618),
+	MFP_ADDR(GPIO31, 0x0610),
+	MFP_ADDR(GPIO32, 0x060c),
+	MFP_ADDR(GPIO33, 0x061c),
+	MFP_ADDR(GPIO34, 0x0620),
+	MFP_ADDR(GPIO35, 0x0628),
+	MFP_ADDR(GPIO36, 0x062c),
+	MFP_ADDR(GPIO37, 0x0630),
+	MFP_ADDR(GPIO38, 0x0634),
+	MFP_ADDR(GPIO39, 0x0638),
+	MFP_ADDR(GPIO40, 0x063c),
+	MFP_ADDR(GPIO41, 0x0614),
+	MFP_ADDR(GPIO42, 0x0624),
+	MFP_ADDR(GPIO43, 0x0608),
+	MFP_ADDR(GPIO44, 0x0604),
+	MFP_ADDR(GPIO45, 0x050c),
+	MFP_ADDR(GPIO46, 0x0508),
+	MFP_ADDR(GPIO47, 0x02bc),
+	MFP_ADDR(GPIO48, 0x02b4),
+	MFP_ADDR(GPIO49, 0x02b8),
+	MFP_ADDR(GPIO50, 0x02c8),
+	MFP_ADDR(GPIO51, 0x02c0),
+	MFP_ADDR(GPIO52, 0x02c4),
+	MFP_ADDR(GPIO53, 0x02d0),
+	MFP_ADDR(GPIO54, 0x02cc),
+	MFP_ADDR(GPIO55, 0x029c),
+	MFP_ADDR(GPIO56, 0x02a0),
+	MFP_ADDR(GPIO57, 0x0294),
+	MFP_ADDR(GPIO58, 0x0298),
+	MFP_ADDR(GPIO59, 0x02a4),
+	MFP_ADDR(GPIO60, 0x02a8),
+	MFP_ADDR(GPIO61, 0x02b0),
+	MFP_ADDR(GPIO62, 0x02ac),
+	MFP_ADDR(GPIO63, 0x0640),
+	MFP_ADDR(GPIO64, 0x065c),
+	MFP_ADDR(GPIO65, 0x0648),
+	MFP_ADDR(GPIO66, 0x0644),
+	MFP_ADDR(GPIO67, 0x0674),
+	MFP_ADDR(GPIO68, 0x0658),
+	MFP_ADDR(GPIO69, 0x0654),
+	MFP_ADDR(GPIO70, 0x0660),
+	MFP_ADDR(GPIO71, 0x0668),
+	MFP_ADDR(GPIO72, 0x0664),
+	MFP_ADDR(GPIO73, 0x0650),
+	MFP_ADDR(GPIO74, 0x066c),
+	MFP_ADDR(GPIO75, 0x064c),
+	MFP_ADDR(GPIO76, 0x0670),
+	MFP_ADDR(GPIO77, 0x0678),
+	MFP_ADDR(GPIO78, 0x067c),
+	MFP_ADDR(GPIO79, 0x0694),
+	MFP_ADDR(GPIO80, 0x069c),
+	MFP_ADDR(GPIO81, 0x06a0),
+	MFP_ADDR(GPIO82, 0x06a4),
+	MFP_ADDR(GPIO83, 0x0698),
+	MFP_ADDR(GPIO84, 0x06bc),
+	MFP_ADDR(GPIO85, 0x06b4),
+	MFP_ADDR(GPIO86, 0x06b0),
+	MFP_ADDR(GPIO87, 0x06c0),
+	MFP_ADDR(GPIO88, 0x06c4),
+	MFP_ADDR(GPIO89, 0x06ac),
+	MFP_ADDR(GPIO90, 0x0680),
+	MFP_ADDR(GPIO91, 0x0684),
+	MFP_ADDR(GPIO92, 0x0688),
+	MFP_ADDR(GPIO93, 0x0690),
+	MFP_ADDR(GPIO94, 0x068c),
+	MFP_ADDR(GPIO95, 0x06a8),
+	MFP_ADDR(GPIO96, 0x06b8),
+	MFP_ADDR(GPIO97, 0x0410),
+	MFP_ADDR(GPIO98, 0x0418),
+	MFP_ADDR(GPIO99, 0x041c),
+	MFP_ADDR(GPIO100, 0x0414),
+	MFP_ADDR(GPIO101, 0x0408),
+	MFP_ADDR(GPIO102, 0x0324),
+	MFP_ADDR(GPIO103, 0x040c),
+	MFP_ADDR(GPIO104, 0x0400),
+	MFP_ADDR(GPIO105, 0x0328),
+	MFP_ADDR(GPIO106, 0x0404),
+
+	MFP_ADDR(GPIO159, 0x0524),
+	MFP_ADDR(GPIO163, 0x0534),
+	MFP_ADDR(GPIO167, 0x0544),
+	MFP_ADDR(GPIO168, 0x0548),
+	MFP_ADDR(GPIO169, 0x054c),
+	MFP_ADDR(GPIO170, 0x0550),
+	MFP_ADDR(GPIO171, 0x0554),
+	MFP_ADDR(GPIO172, 0x0558),
+	MFP_ADDR(GPIO173, 0x055c),
+
+	MFP_ADDR(nXCVREN, 0x0204),
+	MFP_ADDR(DF_CLE_nOE, 0x020c),
+	MFP_ADDR(DF_nADV1_ALE, 0x0218),
+	MFP_ADDR(DF_SCLK_E, 0x0214),
+	MFP_ADDR(DF_SCLK_S, 0x0210),
+	MFP_ADDR(nBE0, 0x021c),
+	MFP_ADDR(nBE1, 0x0220),
+	MFP_ADDR(DF_nADV2_ALE, 0x0224),
+	MFP_ADDR(DF_INT_RnB, 0x0228),
+	MFP_ADDR(DF_nCS0, 0x022c),
+	MFP_ADDR(DF_nCS1, 0x0230),
+	MFP_ADDR(nLUA, 0x0254),
+	MFP_ADDR(nLLA, 0x0258),
+	MFP_ADDR(DF_nWE, 0x0234),
+	MFP_ADDR(DF_nRE_nOE, 0x0238),
+	MFP_ADDR(DF_ADDR0, 0x024c),
+	MFP_ADDR(DF_ADDR1, 0x0250),
+	MFP_ADDR(DF_ADDR2, 0x025c),
+	MFP_ADDR(DF_ADDR3, 0x0260),
+	MFP_ADDR(DF_IO0, 0x023c),
+	MFP_ADDR(DF_IO1, 0x0240),
+	MFP_ADDR(DF_IO2, 0x0244),
+	MFP_ADDR(DF_IO3, 0x0248),
+	MFP_ADDR(DF_IO4, 0x0264),
+	MFP_ADDR(DF_IO5, 0x0268),
+	MFP_ADDR(DF_IO6, 0x026c),
+	MFP_ADDR(DF_IO7, 0x0270),
+	MFP_ADDR(DF_IO8, 0x0274),
+	MFP_ADDR(DF_IO9, 0x0278),
+	MFP_ADDR(DF_IO10, 0x027c),
+	MFP_ADDR(DF_IO11, 0x0280),
+	MFP_ADDR(DF_IO12, 0x0284),
+	MFP_ADDR(DF_IO13, 0x0288),
+	MFP_ADDR(DF_IO14, 0x028c),
+	MFP_ADDR(DF_IO15, 0x0290),
+
+	MFP_ADDR(GSIM_UIO, 0x0314),
+	MFP_ADDR(GSIM_UCLK, 0x0318),
+	MFP_ADDR(GSIM_UDET, 0x031c),
+	MFP_ADDR(GSIM_nURST, 0x0320),
+
+	MFP_ADDR(PMIC_INT, 0x06c8),
+
+	MFP_ADDR(RDY, 0x0200),
+
+	MFP_ADDR_END,
+};
+
+static DEFINE_CK(pxa95x_lcd, LCD, &clk_pxa3xx_hsio_ops);
+static DEFINE_CLK(pxa95x_pout, &clk_pxa3xx_pout_ops, 13000000, 70);
+static DEFINE_PXA3_CKEN(pxa95x_ffuart, FFUART, 14857000, 1);
+static DEFINE_PXA3_CKEN(pxa95x_btuart, BTUART, 14857000, 1);
+static DEFINE_PXA3_CKEN(pxa95x_stuart, STUART, 14857000, 1);
+static DEFINE_PXA3_CKEN(pxa95x_i2c, I2C, 32842000, 0);
+static DEFINE_PXA3_CKEN(pxa95x_keypad, KEYPAD, 32768, 0);
+static DEFINE_PXA3_CKEN(pxa95x_ssp1, SSP1, 13000000, 0);
+static DEFINE_PXA3_CKEN(pxa95x_ssp2, SSP2, 13000000, 0);
+static DEFINE_PXA3_CKEN(pxa95x_ssp3, SSP3, 13000000, 0);
+static DEFINE_PXA3_CKEN(pxa95x_ssp4, SSP4, 13000000, 0);
+static DEFINE_PXA3_CKEN(pxa95x_pwm0, PWM0, 13000000, 0);
+static DEFINE_PXA3_CKEN(pxa95x_pwm1, PWM1, 13000000, 0);
+
+static struct clk_lookup pxa95x_clkregs[] = {
+	INIT_CLKREG(&clk_pxa95x_pout, NULL, "CLK_POUT"),
+	/* Power I2C clock is always on */
+	INIT_CLKREG(&clk_dummy, "pxa3xx-pwri2c.1", NULL),
+	INIT_CLKREG(&clk_pxa95x_lcd, "pxa2xx-fb", NULL),
+	INIT_CLKREG(&clk_pxa95x_ffuart, "pxa2xx-uart.0", NULL),
+	INIT_CLKREG(&clk_pxa95x_btuart, "pxa2xx-uart.1", NULL),
+	INIT_CLKREG(&clk_pxa95x_stuart, "pxa2xx-uart.2", NULL),
+	INIT_CLKREG(&clk_pxa95x_stuart, "pxa2xx-ir", "UARTCLK"),
+	INIT_CLKREG(&clk_pxa95x_i2c, "pxa2xx-i2c.0", NULL),
+	INIT_CLKREG(&clk_pxa95x_keypad, "pxa27x-keypad", NULL),
+	INIT_CLKREG(&clk_pxa95x_ssp1, "pxa27x-ssp.0", NULL),
+	INIT_CLKREG(&clk_pxa95x_ssp2, "pxa27x-ssp.1", NULL),
+	INIT_CLKREG(&clk_pxa95x_ssp3, "pxa27x-ssp.2", NULL),
+	INIT_CLKREG(&clk_pxa95x_ssp4, "pxa27x-ssp.3", NULL),
+	INIT_CLKREG(&clk_pxa95x_pwm0, "pxa27x-pwm.0", NULL),
+	INIT_CLKREG(&clk_pxa95x_pwm1, "pxa27x-pwm.1", NULL),
+};
+
+void __init pxa95x_init_irq(void)
+{
+	pxa_init_irq(96, NULL);
+	pxa_init_gpio(IRQ_GPIO_2_x, 2, 127, NULL);
+}
+
+/*
+ * device registration specific to PXA93x.
+ */
+
+void __init pxa95x_set_i2c_power_info(struct i2c_pxa_platform_data *info)
+{
+	pxa_register_device(&pxa3xx_device_i2c_power, info);
+}
+
+static struct platform_device *devices[] __initdata = {
+	&sa1100_device_rtc,
+	&pxa_device_rtc,
+	&pxa27x_device_ssp1,
+	&pxa27x_device_ssp2,
+	&pxa27x_device_ssp3,
+	&pxa3xx_device_ssp4,
+	&pxa27x_device_pwm0,
+	&pxa27x_device_pwm1,
+};
+
+static struct sys_device pxa95x_sysdev[] = {
+	{
+		.cls	= &pxa_irq_sysclass,
+	}, {
+		.cls	= &pxa_gpio_sysclass,
+	}, {
+		.cls	= &pxa3xx_clock_sysclass,
+	}
+};
+
+static int __init pxa95x_init(void)
+{
+	int ret = 0, i;
+
+	if (cpu_is_pxa95x()) {
+		mfp_init_base(io_p2v(MFPR_BASE));
+		mfp_init_addr(pxa95x_mfp_addr_map);
+
+		reset_status = ARSR;
+
+		/*
+		 * clear RDH bit every time after reset
+		 *
+		 * Note: the last 3 bits DxS are write-1-to-clear so carefully
+		 * preserve them here in case they will be referenced later
+		 */
+		ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S);
+
+		clkdev_add_table(pxa95x_clkregs, ARRAY_SIZE(pxa95x_clkregs));
+
+		if ((ret = pxa_init_dma(IRQ_DMA, 32)))
+			return ret;
+
+		for (i = 0; i < ARRAY_SIZE(pxa95x_sysdev); i++) {
+			ret = sysdev_register(&pxa95x_sysdev[i]);
+			if (ret)
+				pr_err("failed to register sysdev[%d]\n", i);
+		}
+
+		ret = platform_add_devices(devices, ARRAY_SIZE(devices));
+	}
+
+	return ret;
+}
+
+postcore_initcall(pxa95x_init);

arch/arm/mm/Kconfig

@@ -382,6 +382,12 @@ config CPU_FEROCEON_OLD_ID
 	  for which the CPU ID is equal to the ARM926 ID.
 	  Relevant for Feroceon-1850 and early Feroceon-2850.
 
+# Marvell PJ4
+config CPU_PJ4
+	bool
+	select CPU_V7
+	select ARM_THUMBEE
+
 # ARMv6
 config CPU_V6
 	bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || ARCH_DOVE

arch/arm/plat-pxa/Makefile

@@ -6,6 +6,7 @@ obj-y	:= dma.o
 
 obj-$(CONFIG_GENERIC_GPIO)	+= gpio.o
 obj-$(CONFIG_PXA3xx)		+= mfp.o
+obj-$(CONFIG_PXA95x)		+= mfp.o
 obj-$(CONFIG_ARCH_MMP)		+= mfp.o
 
 obj-$(CONFIG_HAVE_PWM)		+= pwm.o

arch/arm/plat-pxa/include/plat/mfp.h

@@ -423,7 +423,7 @@ typedef unsigned long mfp_cfg_t;
 	((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\
 	 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm))
 
-#if defined(CONFIG_PXA3xx) || defined(CONFIG_ARCH_MMP)
+#if defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x) || defined(CONFIG_ARCH_MMP)
 /*
  * each MFP pin will have a MFPR register, since the offset of the
  * register varies between processors, the processor specific code
@@ -470,6 +470,6 @@ void mfp_write(int mfp, unsigned long mfpr_val);
 void mfp_config(unsigned long *mfp_cfgs, int num);
 void mfp_config_run(void);
 void mfp_config_lpm(void);
-#endif /* CONFIG_PXA3xx || CONFIG_ARCH_MMP */
+#endif /* CONFIG_PXA3xx || CONFIG_PXA95x || CONFIG_ARCH_MMP */
 
 #endif /* __ASM_PLAT_MFP_H */