Merge branch 'pxa' into devel

arch/arm/Kconfig

@@ -339,14 +339,14 @@ config ARCH_PNX4008
 	  This enables support for Philips PNX4008 mobile platform.
 
 config ARCH_PXA
-	bool "PXA2xx-based"
+	bool "PXA2xx/PXA3xx-based"
 	depends on MMU
 	select ARCH_MTD_XIP
 	select GENERIC_GPIO
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
 	help
-	  Support for Intel's PXA2XX processor line.
+	  Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
 
 config ARCH_RPC
 	bool "RiscPC"
@@ -489,7 +489,7 @@ source arch/arm/mm/Kconfig
 config IWMMXT
 	bool "Enable iWMMXt support"
 	depends on CPU_XSCALE || CPU_XSC3
-	default y if PXA27x
+	default y if PXA27x || PXA3xx
 	help
 	  Enable support for iWMMXt context switching at run time if
 	  running on a CPU that supports it.

arch/arm/boot/compressed/head-xscale.S

@@ -33,10 +33,6 @@ __XScale_start:
 		bic	r0, r0, #0x1000		@ clear Icache
 		mcr	p15, 0, r0, c1, c0, 0
 
-#ifdef CONFIG_ARCH_LUBBOCK
-		mov	r7, #MACH_TYPE_LUBBOCK
-#endif
-
 #ifdef CONFIG_ARCH_COTULLA_IDP
 		mov	r7, #MACH_TYPE_COTULLA_IDP
 #endif

arch/arm/common/Makefile

@@ -17,3 +17,4 @@ obj-$(CONFIG_SHARPSL_PM)	+= sharpsl_pm.o
 obj-$(CONFIG_SHARP_SCOOP)	+= scoop.o
 obj-$(CONFIG_ARCH_IXP2000)	+= uengine.o
 obj-$(CONFIG_ARCH_IXP23XX)	+= uengine.o
+obj-$(CONFIG_PCI_HOST_ITE8152)  += it8152.o

arch/arm/common/it8152.c

+/*
+ * linux/arch/arm/common/it8152.c
+ *
+ * Copyright Compulab Ltd, 2002-2007
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * The DMA bouncing part is taken from arch/arm/mach-ixp4xx/common-pci.c
+ * (see this file for respective copyrights)
+ *
+ * Thanks to Guennadi Liakhovetski <gl@dsa-ac.de> for IRQ enumberation
+ * and demux code.
+ *
+ * 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/sched.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/ptrace.h>
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <asm/mach/pci.h>
+#include <asm/hardware/it8152.h>
+
+#define MAX_SLOTS		21
+
+static void it8152_mask_irq(unsigned int irq)
+{
+       if (irq >= IT8152_LD_IRQ(0)) {
+	       __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) |
+			    (1 << (irq - IT8152_LD_IRQ(0)))),
+			    IT8152_INTC_LDCNIMR);
+       } else if (irq >= IT8152_LP_IRQ(0)) {
+	       __raw_writel((__raw_readl(IT8152_INTC_LPCNIMR) |
+			    (1 << (irq - IT8152_LP_IRQ(0)))),
+			    IT8152_INTC_LPCNIMR);
+       } else if (irq >= IT8152_PD_IRQ(0)) {
+	       __raw_writel((__raw_readl(IT8152_INTC_PDCNIMR) |
+			    (1 << (irq - IT8152_PD_IRQ(0)))),
+			    IT8152_INTC_PDCNIMR);
+       }
+}
+
+static void it8152_unmask_irq(unsigned int irq)
+{
+       if (irq >= IT8152_LD_IRQ(0)) {
+	       __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) &
+			     ~(1 << (irq - IT8152_LD_IRQ(0)))),
+			    IT8152_INTC_LDCNIMR);
+       } else if (irq >= IT8152_LP_IRQ(0)) {
+	       __raw_writel((__raw_readl(IT8152_INTC_LPCNIMR) &
+			     ~(1 << (irq - IT8152_LP_IRQ(0)))),
+			    IT8152_INTC_LPCNIMR);
+       } else if (irq >= IT8152_PD_IRQ(0)) {
+	       __raw_writel((__raw_readl(IT8152_INTC_PDCNIMR) &
+			     ~(1 << (irq - IT8152_PD_IRQ(0)))),
+			    IT8152_INTC_PDCNIMR);
+       }
+}
+
+static inline void it8152_irq(int irq)
+{
+	struct irq_desc *desc;
+
+	printk(KERN_DEBUG "===> %s: irq=%d\n", __FUNCTION__, irq);
+
+	desc = irq_desc + irq;
+	desc_handle_irq(irq, desc);
+}
+
+static struct irq_chip it8152_irq_chip = {
+	.name		= "it8152",
+	.ack		= it8152_mask_irq,
+	.mask		= it8152_mask_irq,
+	.unmask		= it8152_unmask_irq,
+};
+
+void it8152_init_irq(void)
+{
+	int irq;
+
+	__raw_writel((0xffff), IT8152_INTC_PDCNIMR);
+	__raw_writel((0), IT8152_INTC_PDCNIRR);
+	__raw_writel((0xffff), IT8152_INTC_LPCNIMR);
+	__raw_writel((0), IT8152_INTC_LPCNIRR);
+	__raw_writel((0xffff), IT8152_INTC_LDCNIMR);
+	__raw_writel((0), IT8152_INTC_LDCNIRR);
+
+	for (irq = IT8152_IRQ(0); irq <= IT8152_LAST_IRQ; irq++) {
+		set_irq_chip(irq, &it8152_irq_chip);
+		set_irq_handler(irq, handle_level_irq);
+		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+	}
+}
+
+void it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+       int bits_pd, bits_lp, bits_ld;
+       int i;
+
+       printk(KERN_DEBUG "=> %s: irq = %d\n", __FUNCTION__, irq);
+
+       while (1) {
+	       /* Read all */
+	       bits_pd = __raw_readl(IT8152_INTC_PDCNIRR);
+	       bits_lp = __raw_readl(IT8152_INTC_LPCNIRR);
+	       bits_ld = __raw_readl(IT8152_INTC_LDCNIRR);
+
+	       /* Ack */
+	       __raw_writel((~bits_pd), IT8152_INTC_PDCNIRR);
+	       __raw_writel((~bits_lp), IT8152_INTC_LPCNIRR);
+	       __raw_writel((~bits_ld), IT8152_INTC_LDCNIRR);
+
+	       if (!(bits_ld | bits_lp | bits_pd)) {
+		       /* Re-read to guarantee, that there was a moment of
+			  time, when they all three were 0. */
+		       bits_pd = __raw_readl(IT8152_INTC_PDCNIRR);
+		       bits_lp = __raw_readl(IT8152_INTC_LPCNIRR);
+		       if (!(bits_ld | bits_lp | bits_pd))
+			       return;
+	       }
+
+	       bits_pd &= ((1 << IT8152_PD_IRQ_COUNT) - 1);
+	       while (bits_pd) {
+		       i = __ffs(bits_pd);
+		       it8152_irq(IT8152_PD_IRQ(i));
+		       bits_pd &= ~(1 << i);
+	       }
+
+	       bits_lp &= ((1 << IT8152_LP_IRQ_COUNT) - 1);
+	       while (bits_lp) {
+		       i = __ffs(bits_pd);
+		       it8152_irq(IT8152_LP_IRQ(i));
+		       bits_lp &= ~(1 << i);
+	       }
+
+	       bits_ld &= ((1 << IT8152_LD_IRQ_COUNT) - 1);
+	       while (bits_ld) {
+		       i = __ffs(bits_pd);
+		       it8152_irq(IT8152_LD_IRQ(i));
+		       bits_ld &= ~(1 << i);
+	       }
+       }
+}
+
+/* mapping for on-chip devices */
+int __init it8152_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if ((dev->vendor == PCI_VENDOR_ID_ITE) &&
+	    (dev->device == PCI_DEVICE_ID_ITE_8152)) {
+		if ((dev->class >> 8) == PCI_CLASS_MULTIMEDIA_AUDIO)
+			return IT8152_AUDIO_INT;
+		if ((dev->class >> 8) == PCI_CLASS_SERIAL_USB)
+			return IT8152_USB_INT;
+		if ((dev->class >> 8) == PCI_CLASS_SYSTEM_DMA)
+			return IT8152_CDMA_INT;
+	}
+
+	return 0;
+}
+
+static unsigned long it8152_pci_dev_base_address(struct pci_bus *bus,
+						 unsigned int devfn)
+{
+	unsigned long addr = 0;
+
+	if (bus->number == 0) {
+			if (devfn < PCI_DEVFN(MAX_SLOTS, 0))
+				addr = (devfn << 8);
+	} else
+		addr = (bus->number << 16) | (devfn << 8);
+
+	return addr;
+}
+
+static int it8152_pci_read_config(struct pci_bus *bus,
+				  unsigned int devfn, int where,
+				  int size, u32 *value)
+{
+	unsigned long addr = it8152_pci_dev_base_address(bus, devfn);
+	u32 v;
+	int shift;
+
+	shift = (where & 3);
+
+	__raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
+	v = (__raw_readl(IT8152_PCI_CFG_DATA)  >> (8 * (shift)));
+
+	*value = v;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int it8152_pci_write_config(struct pci_bus *bus,
+				   unsigned int devfn, int where,
+				   int size, u32 value)
+{
+	unsigned long addr = it8152_pci_dev_base_address(bus, devfn);
+	u32 v, vtemp, mask = 0;
+	int shift;
+
+	if (size == 1)
+		mask = 0xff;
+	if (size == 2)
+		mask = 0xffff;
+
+	shift = (where & 3);
+
+	__raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
+	vtemp = __raw_readl(IT8152_PCI_CFG_DATA);
+
+	if (mask)
+		vtemp &= ~(mask << (8 * shift));
+	else
+		vtemp = 0;
+
+	v = (value << (8 * shift));
+	__raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
+	__raw_writel((v | vtemp), IT8152_PCI_CFG_DATA);
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops it8152_ops = {
+	.read = it8152_pci_read_config,
+	.write = it8152_pci_write_config,
+};
+
+static struct resource it8152_io = {
+	.name	= "IT8152 PCI I/O region",
+	.flags	= IORESOURCE_IO,
+};
+
+static struct resource it8152_mem = {
+	.name	= "IT8152 PCI memory region",
+	.start	= 0x10000000,
+	.end	= 0x13e00000,
+	.flags	= IORESOURCE_MEM,
+};
+
+/*
+ * The following functions are needed for DMA bouncing.
+ * ITE8152 chip can addrees up to 64MByte, so all the devices
+ * connected to ITE8152 (PCI and USB) should have limited DMA window
+ */
+
+/*
+ * Setup DMA mask to 64MB on devices connected to ITE8152. Ignore all
+ * other devices.
+ */
+static int it8152_pci_platform_notify(struct device *dev)
+{
+	if (dev->bus == &pci_bus_type) {
+		if (dev->dma_mask)
+			*dev->dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
+		dev->coherent_dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
+		dmabounce_register_dev(dev, 2048, 4096);
+	}
+	return 0;
+}
+
+static int it8152_pci_platform_notify_remove(struct device *dev)
+{
+	if (dev->bus == &pci_bus_type)
+		dmabounce_unregister_dev(dev);
+
+	return 0;
+}
+
+int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
+{
+	dev_dbg(dev, "%s: dma_addr %08x, size %08x\n",
+		__FUNCTION__, dma_addr, size);
+	return (dev->bus == &pci_bus_type) &&
+		((dma_addr + size - PHYS_OFFSET) >= SZ_64M);
+}
+
+/*
+ * We override these so we properly do dmabounce otherwise drivers
+ * are able to set the dma_mask to 0xffffffff and we can no longer
+ * trap bounces. :(
+ *
+ * We just return true on everyhing except for < 64MB in which case
+ * we will fail miseralby and die since we can't handle that case.
+ */
+int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
+{
+	printk(KERN_DEBUG "%s: %s %llx\n",
+	       __FUNCTION__, dev->dev.bus_id, mask);
+	if (mask >= PHYS_OFFSET + SZ_64M - 1)
+		return 0;
+
+	return -EIO;
+}
+
+int
+pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
+{
+	printk(KERN_DEBUG "%s: %s %llx\n",
+	       __FUNCTION__, dev->dev.bus_id, mask);
+	if (mask >= PHYS_OFFSET + SZ_64M - 1)
+		return 0;
+
+	return -EIO;
+}
+
+int __init it8152_pci_setup(int nr, struct pci_sys_data *sys)
+{
+	it8152_io.start = IT8152_IO_BASE + 0x12000;
+	it8152_io.end	= IT8152_IO_BASE + 0x12000 + 0x100000;
+
+	sys->mem_offset = 0x10000000;
+	sys->io_offset  = IT8152_IO_BASE;
+
+	if (request_resource(&ioport_resource, &it8152_io)) {
+		printk(KERN_ERR "PCI: unable to allocate IO region\n");
+		goto err0;
+	}
+	if (request_resource(&iomem_resource, &it8152_mem)) {
+		printk(KERN_ERR "PCI: unable to allocate memory region\n");
+		goto err1;
+	}
+
+	sys->resource[0] = &it8152_io;
+	sys->resource[1] = &it8152_mem;
+
+	if (platform_notify || platform_notify_remove) {
+		printk(KERN_ERR "PCI: Can't use platform_notify\n");
+		goto err2;
+	}
+
+	platform_notify = it8152_pci_platform_notify;
+	platform_notify_remove = it8152_pci_platform_notify_remove;
+
+	return 1;
+
+err2:
+	release_resource(&it8152_io);
+err1:
+	release_resource(&it8152_mem);
+err0:
+	return -EBUSY;
+}
+
+/*
+ * If we set up a device for bus mastering, we need to check the latency
+ * timer as we don't have even crappy BIOSes to set it properly.
+ * The implementation is from arch/i386/pci/i386.c
+ */
+unsigned int pcibios_max_latency = 255;
+
+void pcibios_set_master(struct pci_dev *dev)
+{
+	u8 lat;
+
+	/* no need to update on-chip OHCI controller */
+	if ((dev->vendor == PCI_VENDOR_ID_ITE) &&
+	    (dev->device == PCI_DEVICE_ID_ITE_8152) &&
+	    ((dev->class >> 8) == PCI_CLASS_SERIAL_USB))
+		return;
+
+	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
+	if (lat < 16)
+		lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
+	else if (lat > pcibios_max_latency)
+		lat = pcibios_max_latency;
+	else
+		return;
+	printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n",
+	       pci_name(dev), lat);
+	pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
+}
+
+
+struct pci_bus * __init it8152_pci_scan_bus(int nr, struct pci_sys_data *sys)
+{
+	return pci_scan_bus(nr, &it8152_ops, sys);
+}
+

arch/arm/kernel/bios32.c

@@ -279,6 +279,25 @@ static void __devinit pci_fixup_cy82c693(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, pci_fixup_cy82c693);
 
+static void __init pci_fixup_it8152(struct pci_dev *dev)
+{
+	int i;
+	/* fixup for ITE 8152 devices */
+	/* FIXME: add defines for class 0x68000 and 0x80103 */
+	if ((dev->class >> 8) == PCI_CLASS_BRIDGE_HOST ||
+	    dev->class == 0x68000 ||
+	    dev->class == 0x80103) {
+		for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+			dev->resource[i].start = 0;
+			dev->resource[i].end   = 0;
+			dev->resource[i].flags = 0;
+		}
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8152, pci_fixup_it8152);
+
+
+
 void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
 {
 	if (debug_pci)
@@ -292,9 +311,12 @@ void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
  */
 static inline int pdev_bad_for_parity(struct pci_dev *dev)
 {
-	return (dev->vendor == PCI_VENDOR_ID_INTERG &&
+	return ((dev->vendor == PCI_VENDOR_ID_INTERG &&
 		 (dev->device == PCI_DEVICE_ID_INTERG_2000 ||
-		 dev->device == PCI_DEVICE_ID_INTERG_2010));
+		  dev->device == PCI_DEVICE_ID_INTERG_2010)) ||
+		(dev->vendor == PCI_VENDOR_ID_ITE &&
+		 dev->device == PCI_DEVICE_ID_ITE_8152));
+
 }
 
 /*

arch/arm/mach-pxa/Kconfig

 if ARCH_PXA
 
-menu "Intel PXA2xx Implementations"
+menu "Intel PXA2xx/PXA3xx Implementations"
+
+if PXA3xx
+
+menu "Supported PXA3xx Processor Variants"
+
+config CPU_PXA300
+	bool "PXA300 (codename Monahans-L)"
+
+config CPU_PXA310
+	bool "PXA310 (codename Monahans-LV)"
+	select CPU_PXA300
+
+config CPU_PXA320
+	bool "PXA320 (codename Monahans-P)"
+
+endmenu
+
+endif
 
 choice
 	prompt "Select target board"
@@ -41,6 +59,15 @@ config MACH_EM_X270
 	bool "CompuLab EM-x270 platform"
 	select PXA27x
 
+config MACH_ZYLONITE
+	bool "PXA3xx Development Platform"
+	select PXA3xx
+
+config MACH_ARMCORE
+	bool "CompuLab CM-X270 modules"
+	select PXA27x
+	select IWMMXT
+
 endchoice
 
 if PXA_SHARPSL
@@ -130,6 +157,11 @@ config PXA27x
 	help
 	  Select code specific to PXA27x variants
 
+config PXA3xx
+	bool
+	help
+	  Select code specific to PXA3xx variants
+
 config PXA_SHARP_C7xx
 	bool
 	select PXA_SSP

arch/arm/mach-pxa/Makefile

@@ -6,6 +6,9 @@
 obj-y				+= clock.o generic.o irq.o dma.o time.o
 obj-$(CONFIG_PXA25x)		+= pxa25x.o
 obj-$(CONFIG_PXA27x)		+= pxa27x.o
+obj-$(CONFIG_PXA3xx)		+= pxa3xx.o mfp.o
+obj-$(CONFIG_CPU_PXA300)	+= pxa300.o
+obj-$(CONFIG_CPU_PXA320)	+= pxa320.o
 
 # Specific board support
 obj-$(CONFIG_ARCH_LUBBOCK)	+= lubbock.o
@@ -20,6 +23,14 @@ obj-$(CONFIG_MACH_POODLE)	+= poodle.o corgi_ssp.o
 obj-$(CONFIG_MACH_TOSA)		+= tosa.o
 obj-$(CONFIG_MACH_EM_X270)	+= em-x270.o
 
+ifeq ($(CONFIG_MACH_ZYLONITE),y)
+  obj-y				+= zylonite.o
+  obj-$(CONFIG_CPU_PXA300)	+= zylonite_pxa300.o
+  obj-$(CONFIG_CPU_PXA320)	+= zylonite_pxa320.o
+endif
+
+obj-$(CONFIG_MACH_ARMCORE)      += cm-x270.o
+
 # Support for blinky lights
 led-y := leds.o
 led-$(CONFIG_ARCH_LUBBOCK)	+= leds-lubbock.o
@@ -36,3 +47,7 @@ obj-$(CONFIG_PXA_SSP) += ssp.o
 ifeq ($(CONFIG_PXA27x),y)
 obj-$(CONFIG_PM)		+= standby.o
 endif
+
+ifeq ($(CONFIG_PCI),y)
+obj-$(CONFIG_MACH_ARMCORE) += cm-x270-pci.o
+endif

arch/arm/mach-pxa/clock.c

@@ -9,19 +9,15 @@
 #include <linux/string.h>
 #include <linux/clk.h>
 #include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
 
 #include <asm/arch/pxa-regs.h>
 #include <asm/hardware.h>
 
-struct clk {
-	struct list_head	node;
-	unsigned long		rate;
-	struct module		*owner;
-	const char		*name;
-	unsigned int		enabled;
-	void			(*enable)(void);
-	void			(*disable)(void);
-};
+#include "devices.h"
+#include "generic.h"
+#include "clock.h"
 
 static LIST_HEAD(clocks);
 static DEFINE_MUTEX(clocks_mutex);
@@ -33,7 +29,8 @@ struct clk *clk_get(struct device *dev, const char *id)
 
 	mutex_lock(&clocks_mutex);
 	list_for_each_entry(p, &clocks, node) {
-		if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+		if (strcmp(id, p->name) == 0 &&
+		    (p->dev == NULL || p->dev == dev)) {
 			clk = p;
 			break;
 		}
@@ -46,7 +43,6 @@ EXPORT_SYMBOL(clk_get);
 
 void clk_put(struct clk *clk)
 {
-	module_put(clk->owner);
 }
 EXPORT_SYMBOL(clk_put);
 
@@ -56,8 +52,12 @@ int clk_enable(struct clk *clk)
 
 	spin_lock_irqsave(&clocks_lock, flags);
 	if (clk->enabled++ == 0)
-		clk->enable();
+		clk->ops->enable(clk);
 	spin_unlock_irqrestore(&clocks_lock, flags);
+
+	if (clk->delay)
+		udelay(clk->delay);
+
 	return 0;
 }
 EXPORT_SYMBOL(clk_enable);
@@ -70,54 +70,75 @@ void clk_disable(struct clk *clk)
 
 	spin_lock_irqsave(&clocks_lock, flags);
 	if (--clk->enabled == 0)
-		clk->disable();
+		clk->ops->disable(clk);
 	spin_unlock_irqrestore(&clocks_lock, flags);
 }
 EXPORT_SYMBOL(clk_disable);
 
 unsigned long clk_get_rate(struct clk *clk)
 {
-	return clk->rate;
+	unsigned long rate;
+
+	rate = clk->rate;
+	if (clk->ops->getrate)
+		rate = clk->ops->getrate(clk);
+
+	return rate;
 }
 EXPORT_SYMBOL(clk_get_rate);
 
 
-static void clk_gpio27_enable(void)
+static void clk_gpio27_enable(struct clk *clk)
 {
 	pxa_gpio_mode(GPIO11_3_6MHz_MD);
 }
 
-static void clk_gpio27_disable(void)
+static void clk_gpio27_disable(struct clk *clk)
 {
 }
 
-static struct clk clk_gpio27 = {
-	.name		= "GPIO27_CLK",
-	.rate		= 3686400,
+static const struct clkops clk_gpio27_ops = {
 	.enable		= clk_gpio27_enable,
 	.disable	= clk_gpio27_disable,
 };
 
-int clk_register(struct clk *clk)
+
+void clk_cken_enable(struct clk *clk)
 {
-	mutex_lock(&clocks_mutex);
-	list_add(&clk->node, &clocks);
-	mutex_unlock(&clocks_mutex);
-	return 0;
+	CKEN |= 1 << clk->cken;
 }
-EXPORT_SYMBOL(clk_register);
 
-void clk_unregister(struct clk *clk)
+void clk_cken_disable(struct clk *clk)
 {
+	CKEN &= ~(1 << clk->cken);
+}
+
+const struct clkops clk_cken_ops = {
+	.enable		= clk_cken_enable,
+	.disable	= clk_cken_disable,
+};
+
+static struct clk common_clks[] = {
+	{
+		.name		= "GPIO27_CLK",
+		.ops		= &clk_gpio27_ops,
+		.rate		= 3686400,
+	},
+};
+
+void clks_register(struct clk *clks, size_t num)
+{
+	int i;
+
 	mutex_lock(&clocks_mutex);
-	list_del(&clk->node);
+	for (i = 0; i < num; i++)
+		list_add(&clks[i].node, &clocks);
 	mutex_unlock(&clocks_mutex);
 }
-EXPORT_SYMBOL(clk_unregister);
 
 static int __init clk_init(void)
 {
-	clk_register(&clk_gpio27);
+	clks_register(common_clks, ARRAY_SIZE(common_clks));
 	return 0;
 }
 arch_initcall(clk_init);

arch/arm/mach-pxa/clock.h

+struct clk;
+
+struct clkops {
+	void			(*enable)(struct clk *);
+	void			(*disable)(struct clk *);
+	unsigned long		(*getrate)(struct clk *);
+};
+
+struct clk {
+	struct list_head	node;
+	const char		*name;
+	struct device		*dev;
+	const struct clkops	*ops;
+	unsigned long		rate;
+	unsigned int		cken;
+	unsigned int		delay;
+	unsigned int		enabled;
+};
+
+#define INIT_CKEN(_name, _cken, _rate, _delay, _dev)	\
+	{						\
+		.name	= _name,			\
+		.dev	= _dev,				\
+		.ops	= &clk_cken_ops,		\
+		.rate	= _rate,			\
+		.cken	= CKEN_##_cken,			\
+		.delay	= _delay,			\
+	}
+
+#define INIT_CK(_name, _cken, _ops, _dev)		\
+	{						\
+		.name	= _name,			\
+		.dev	= _dev,				\
+		.ops	= _ops,				\
+		.cken	= CKEN_##_cken,			\
+	}
+
+extern const struct clkops clk_cken_ops;
+
+void clk_cken_enable(struct clk *clk);
+void clk_cken_disable(struct clk *clk);
+
+void clks_register(struct clk *clks, size_t num);

arch/arm/mach-pxa/cm-x270-pci.c

+/*
+ * linux/arch/arm/mach-pxa/cm-x270-pci.c
+ *
+ * PCI bios-type initialisation for PCI machines
+ *
+ * Bits taken from various places.
+ *
+ * Copyright (C) 2007 Compulab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * 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/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+
+#include <asm/mach/pci.h>
+#include <asm/arch/cm-x270.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/mach-types.h>
+
+#include <asm/hardware/it8152.h>
+
+unsigned long it8152_base_address = CMX270_IT8152_VIRT;
+
+/*
+ * Only first 64MB of memory can be accessed via PCI.
+ * We use GFP_DMA to allocate safe buffers to do map/unmap.
+ * This is really ugly and we need a better way of specifying
+ * DMA-capable regions of memory.
+ */
+void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size,
+	unsigned long *zhole_size)
+{
+	unsigned int sz = SZ_64M >> PAGE_SHIFT;
+
+	printk(KERN_INFO "Adjusting zones for CM-x270\n");
+
+	/*
+	 * Only adjust if > 64M on current system
+	 */
+	if (node || (zone_size[0] <= sz))
+		return;
+
+	zone_size[1] = zone_size[0] - sz;
+	zone_size[0] = sz;
+	zhole_size[1] = zhole_size[0];
+	zhole_size[0] = 0;
+}
+
+static void cmx270_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+	/* clear our parent irq */
+	GEDR(GPIO_IT8152_IRQ) = GPIO_bit(GPIO_IT8152_IRQ);
+
+	it8152_irq_demux(irq, desc);
+}
+
+void __cmx270_pci_init_irq(void)
+{
+	it8152_init_irq();
+	pxa_gpio_mode(IRQ_TO_GPIO(GPIO_IT8152_IRQ));
+	set_irq_type(IRQ_GPIO(GPIO_IT8152_IRQ), IRQT_RISING);
+
+	set_irq_chained_handler(IRQ_GPIO(GPIO_IT8152_IRQ),
+				cmx270_it8152_irq_demux);
+}
+
+#ifdef CONFIG_PM
+static unsigned long sleep_save_ite[10];
+
+void __cmx270_pci_suspend(void)
+{
+	/* save ITE state */
+	sleep_save_ite[0] = __raw_readl(IT8152_INTC_PDCNIMR);
+	sleep_save_ite[1] = __raw_readl(IT8152_INTC_LPCNIMR);
+	sleep_save_ite[2] = __raw_readl(IT8152_INTC_LPNIAR);
+
+	/* Clear ITE IRQ's */
+	__raw_writel((0), IT8152_INTC_PDCNIRR);
+	__raw_writel((0), IT8152_INTC_LPCNIRR);
+}
+
+void __cmx270_pci_resume(void)
+{
+	/* restore IT8152 state */
+	__raw_writel((sleep_save_ite[0]), IT8152_INTC_PDCNIMR);
+	__raw_writel((sleep_save_ite[1]), IT8152_INTC_LPCNIMR);
+	__raw_writel((sleep_save_ite[2]), IT8152_INTC_LPNIAR);
+}
+#else
+void cmx270_pci_suspend(void) {}
+void cmx270_pci_resume(void) {}
+#endif
+
+/* PCI IRQ mapping*/
+static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	int irq;
+
+	printk(KERN_DEBUG "===> %s: %s slot=%x, pin=%x\n", __FUNCTION__,
+	       pci_name(dev), slot, pin);
+
+	irq = it8152_pci_map_irq(dev, slot, pin);
+	if (irq)
+		return irq;
+
+	/*
+	  Here comes the ugly part. The routing is baseboard specific,
+	  but defining a platform for each possible base of CM-x270 is
+	  unrealistic. Here we keep mapping for ATXBase and SB-x270.
+	*/
+	/* ATXBASE PCI slot */
+	if (slot == 7)
+		return IT8152_PCI_INTA;
+
+	/* ATXBase/SB-x270 CardBus */
+	if (slot == 8 || slot == 0)
+		return IT8152_PCI_INTB;
+
+	/* ATXBase Ethernet */
+	if (slot == 9)
+		return IT8152_PCI_INTA;
+
+	/* SB-x270 Ethernet */
+	if (slot == 16)
+		return IT8152_PCI_INTA;
+
+	/* PC104+ interrupt routing */
+	if ((slot == 17) || (slot == 19))
+		return IT8152_PCI_INTA;
+	if ((slot == 18) || (slot == 20))
+		return IT8152_PCI_INTB;
+
+	return(0);
+}
+
+static struct pci_bus * __init
+cmx270_pci_scan_bus(int nr, struct pci_sys_data *sys)
+{
+	printk(KERN_INFO "Initializing CM-X270 PCI subsystem\n");
+
+	__raw_writel(0x800, IT8152_PCI_CFG_ADDR);
+	if (__raw_readl(IT8152_PCI_CFG_DATA) == 0x81521283) {
+		printk(KERN_INFO "PCI Bridge found.\n");
+
+		/* set PCI I/O base at 0 */
+		writel(0x848, IT8152_PCI_CFG_ADDR);
+		writel(0, IT8152_PCI_CFG_DATA);
+
+		/* set PCI memory base at 0 */
+		writel(0x840, IT8152_PCI_CFG_ADDR);
+		writel(0, IT8152_PCI_CFG_DATA);
+
+		writel(0x20, IT8152_GPIO_GPDR);
+
+		/* CardBus Controller on ATXbase baseboard */
+		writel(0x4000, IT8152_PCI_CFG_ADDR);
+		if (readl(IT8152_PCI_CFG_DATA) == 0xAC51104C) {
+			printk(KERN_INFO "CardBus Bridge found.\n");
+
+			/* Configure socket 0 */
+			writel(0x408C, IT8152_PCI_CFG_ADDR);
+			writel(0x1022, IT8152_PCI_CFG_DATA);
+
+			writel(0x4080, IT8152_PCI_CFG_ADDR);
+			writel(0x3844d060, IT8152_PCI_CFG_DATA);
+
+			writel(0x4090, IT8152_PCI_CFG_ADDR);
+			writel(((readl(IT8152_PCI_CFG_DATA) & 0xffff) |
+				0x60440000),
+			       IT8152_PCI_CFG_DATA);
+
+			writel(0x4018, IT8152_PCI_CFG_ADDR);
+			writel(0xb0000000, IT8152_PCI_CFG_DATA);
+
+			/* Configure socket 1 */
+			writel(0x418C, IT8152_PCI_CFG_ADDR);
+			writel(0x1022, IT8152_PCI_CFG_DATA);
+
+			writel(0x4180, IT8152_PCI_CFG_ADDR);
+			writel(0x3844d060, IT8152_PCI_CFG_DATA);
+
+			writel(0x4190, IT8152_PCI_CFG_ADDR);
+			writel(((readl(IT8152_PCI_CFG_DATA) & 0xffff) |
+				0x60440000),
+			       IT8152_PCI_CFG_DATA);
+
+			writel(0x4118, IT8152_PCI_CFG_ADDR);
+			writel(0xb0000000, IT8152_PCI_CFG_DATA);
+		}
+	}
+	return it8152_pci_scan_bus(nr, sys);
+}
+
+static struct hw_pci cmx270_pci __initdata = {
+	.swizzle	= pci_std_swizzle,
+	.map_irq	= cmx270_pci_map_irq,
+	.nr_controllers	= 1,
+	.setup		= it8152_pci_setup,
+	.scan		= cmx270_pci_scan_bus,
+};
+
+static int __init cmx270_init_pci(void)
+{
+	if (machine_is_armcore())
+		pci_common_init(&cmx270_pci);
+
+	return 0;
+}
+
+subsys_initcall(cmx270_init_pci);

arch/arm/mach-pxa/cm-x270-pci.h

+extern void __cmx270_pci_init_irq(void);
+extern void __cmx270_pci_suspend(void);
+extern void __cmx270_pci_resume(void);
+
+#ifdef CONFIG_PCI
+#define cmx270_pci_init_irq __cmx270_pci_init_irq
+#define cmx270_pci_suspend __cmx270_pci_suspend
+#define cmx270_pci_resume __cmx270_pci_resume
+#else
+#define cmx270_pci_init_irq() do {} while (0)
+#define cmx270_pci_suspend() do {} while (0)
+#define cmx270_pci_resume() do {} while (0)
+#endif

arch/arm/mach-pxa/cm-x270.c

+/*
+ * linux/arch/arm/mach-pxa/cm-x270.c
+ *
+ * Copyright (C) 2007 CompuLab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * 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/types.h>
+#include <linux/pm.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include <linux/dm9000.h>
+#include <linux/rtc-v3020.h>
+#include <linux/serial_8250.h>
+
+#include <video/mbxfb.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/bitfield.h>
+#include <asm/arch/cm-x270.h>
+
+#include <asm/hardware/it8152.h>
+
+#include "generic.h"
+#include "cm-x270-pci.h"
+
+#define RTC_PHYS_BASE		(PXA_CS1_PHYS + (5 << 22))
+#define DM9000_PHYS_BASE	(PXA_CS1_PHYS + (6 << 22))
+
+static struct resource cmx270_dm9k_resource[] = {
+	[0] = {
+		.start = DM9000_PHYS_BASE,
+		.end   = DM9000_PHYS_BASE + 4,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DM9000_PHYS_BASE + 8,
+		.end   = DM9000_PHYS_BASE + 8 + 500,
+		.flags = IORESOURCE_MEM,
+	},
+	[2] = {
+		.start = CMX270_ETHIRQ,
+		.end   = CMX270_ETHIRQ,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+/* for the moment we limit ourselves to 32bit IO until some
+ * better IO routines can be written and tested
+ */
+static struct dm9000_plat_data cmx270_dm9k_platdata = {
+	.flags		= DM9000_PLATF_32BITONLY,
+};
+
+/* Ethernet device */
+static struct platform_device cmx270_device_dm9k = {
+	.name		= "dm9000",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(cmx270_dm9k_resource),
+	.resource	= cmx270_dm9k_resource,
+	.dev		= {
+		.platform_data = &cmx270_dm9k_platdata,
+	}
+};
+
+/* audio device */
+static struct platform_device cmx270_audio_device = {
+	.name		= "pxa2xx-ac97",
+	.id		= -1,
+};
+
+/* touchscreen controller */
+static struct platform_device cmx270_ts_device = {
+	.name		= "ucb1400_ts",
+	.id		= -1,
+};
+
+/* RTC */
+static struct resource cmx270_v3020_resource[] = {
+	[0] = {
+		.start = RTC_PHYS_BASE,
+		.end   = RTC_PHYS_BASE + 4,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+struct v3020_platform_data cmx270_v3020_pdata = {
+	.leftshift = 16,
+};
+
+static struct platform_device cmx270_rtc_device = {
+	.name		= "v3020",
+	.num_resources	= ARRAY_SIZE(cmx270_v3020_resource),
+	.resource	= cmx270_v3020_resource,
+	.id		= -1,
+	.dev		= {
+		.platform_data = &cmx270_v3020_pdata,
+	}
+};
+
+/*
+ * CM-X270 LEDs
+ */
+static struct platform_device cmx270_led_device = {
+	.name		= "cm-x270-led",
+	.id		= -1,
+};
+
+/* 2700G graphics */
+static u64 fb_dma_mask = ~(u64)0;
+
+static struct resource cmx270_2700G_resource[] = {
+	/* frame buffer memory including ODFB and External SDRAM */
+	[0] = {
+		.start = MARATHON_PHYS,
+		.end   = MARATHON_PHYS + 0x02000000,
+		.flags = IORESOURCE_MEM,
+	},
+	/* Marathon registers */
+	[1] = {
+		.start = MARATHON_PHYS + 0x03fe0000,
+		.end   = MARATHON_PHYS + 0x03ffffff,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static unsigned long save_lcd_regs[10];
+
+static int cmx270_marathon_probe(struct fb_info *fb)
+{
+	/* save PXA-270 pin settings before enabling 2700G */
+	save_lcd_regs[0] = GPDR1;
+	save_lcd_regs[1] = GPDR2;
+	save_lcd_regs[2] = GAFR1_U;
+	save_lcd_regs[3] = GAFR2_L;
+	save_lcd_regs[4] = GAFR2_U;
+
+	/* Disable PXA-270 on-chip controller driving pins */
+	GPDR1 &= ~(0xfc000000);
+	GPDR2 &= ~(0x00c03fff);
+	GAFR1_U &= ~(0xfff00000);
+	GAFR2_L &= ~(0x0fffffff);
+	GAFR2_U &= ~(0x0000f000);
+	return 0;
+}
+
+static int cmx270_marathon_remove(struct fb_info *fb)
+{
+	GPDR1 =   save_lcd_regs[0];
+	GPDR2 =   save_lcd_regs[1];
+	GAFR1_U = save_lcd_regs[2];
+	GAFR2_L = save_lcd_regs[3];
+	GAFR2_U = save_lcd_regs[4];
+	return 0;
+}
+
+static struct mbxfb_platform_data cmx270_2700G_data = {
+	.xres = {
+		.min = 240,
+		.max = 1200,
+		.defval = 640,
+	},
+	.yres = {
+		.min = 240,
+		.max = 1200,
+		.defval = 480,
+	},
+	.bpp = {
+		.min = 16,
+		.max = 32,
+		.defval = 16,
+	},
+	.memsize = 8*1024*1024,
+	.probe = cmx270_marathon_probe,
+	.remove = cmx270_marathon_remove,
+};
+
+static struct platform_device cmx270_2700G = {
+	.name		= "mbx-fb",
+	.dev		= {
+		.platform_data	= &cmx270_2700G_data,
+		.dma_mask	= &fb_dma_mask,
+		.coherent_dma_mask = 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(cmx270_2700G_resource),
+	.resource	= cmx270_2700G_resource,
+	.id		= -1,
+};
+
+static u64 ata_dma_mask = ~(u64)0;
+
+static struct platform_device cmx270_ata = {
+	.name = "pata_cm_x270",
+	.id = -1,
+	.dev		= {
+		.dma_mask	= &ata_dma_mask,
+		.coherent_dma_mask = 0xffffffff,
+	},
+};
+
+/* platform devices */
+static struct platform_device *platform_devices[] __initdata = {
+	&cmx270_device_dm9k,
+	&cmx270_audio_device,
+	&cmx270_rtc_device,
+	&cmx270_2700G,
+	&cmx270_led_device,
+	&cmx270_ts_device,
+	&cmx270_ata,
+};
+
+/* Map PCI companion and IDE/General Purpose CS statically */
+static struct map_desc cmx270_io_desc[] __initdata = {
+	[0] = { /* IDE/general purpose space */
+		.virtual	= CMX270_IDE104_VIRT,
+		.pfn		= __phys_to_pfn(CMX270_IDE104_PHYS),
+		.length		= SZ_64M - SZ_8M,
+		.type		= MT_DEVICE
+	},
+	[1] = { /* PCI bridge */
+		.virtual	= CMX270_IT8152_VIRT,
+		.pfn		= __phys_to_pfn(CMX270_IT8152_PHYS),
+		.length		= SZ_64M,
+		.type		= MT_DEVICE
+	},
+};
+
+/*
+  Display definitions
+  keep these for backwards compatibility, although symbolic names (as
+  e.g. in lpd270.c) looks better
+*/
+#define MTYPE_STN320x240	0
+#define MTYPE_TFT640x480	1
+#define MTYPE_CRT640x480	2
+#define MTYPE_CRT800x600	3
+#define MTYPE_TFT320x240	6
+#define MTYPE_STN640x480	7
+
+static struct pxafb_mode_info generic_stn_320x240_mode = {
+	.pixclock	= 76923,
+	.bpp		= 8,
+	.xres		= 320,
+	.yres		= 240,
+	.hsync_len	= 3,
+	.vsync_len	= 2,
+	.left_margin	= 3,
+	.upper_margin	= 0,
+	.right_margin	= 3,
+	.lower_margin	= 0,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_stn_320x240 = {
+	.modes		= &generic_stn_320x240_mode,
+	.num_modes	= 1,
+	.lccr0		= 0,
+	.lccr3		= (LCCR3_PixClkDiv(0x03) |
+			   LCCR3_Acb(0xff) |
+			   LCCR3_PCP),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_tft_640x480_mode = {
+	.pixclock	= 38461,
+	.bpp		= 8,
+	.xres		= 640,
+	.yres		= 480,
+	.hsync_len	= 60,
+	.vsync_len	= 2,
+	.left_margin	= 70,
+	.upper_margin	= 10,
+	.right_margin	= 70,
+	.lower_margin	= 5,
+	.sync		= 0,
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_tft_640x480 = {
+	.modes		= &generic_tft_640x480_mode,
+	.num_modes	= 1,
+	.lccr0		= (LCCR0_PAS),
+	.lccr3		= (LCCR3_PixClkDiv(0x01) |
+			   LCCR3_Acb(0xff) |
+			   LCCR3_PCP),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_crt_640x480_mode = {
+	.pixclock	= 38461,
+	.bpp		= 8,
+	.xres		= 640,
+	.yres		= 480,
+	.hsync_len	= 63,
+	.vsync_len	= 2,
+	.left_margin	= 81,
+	.upper_margin	= 33,
+	.right_margin	= 16,
+	.lower_margin	= 10,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_crt_640x480 = {
+	.modes		= &generic_crt_640x480_mode,
+	.num_modes	= 1,
+	.lccr0		= (LCCR0_PAS),
+	.lccr3		= (LCCR3_PixClkDiv(0x01) |
+			   LCCR3_Acb(0xff)),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_crt_800x600_mode = {
+	.pixclock	= 28846,
+	.bpp		= 8,
+	.xres		= 800,
+	.yres	  	= 600,
+	.hsync_len	= 63,
+	.vsync_len	= 2,
+	.left_margin	= 26,
+	.upper_margin	= 21,
+	.right_margin	= 26,
+	.lower_margin	= 11,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_crt_800x600 = {
+	.modes		= &generic_crt_800x600_mode,
+	.num_modes	= 1,
+	.lccr0		= (LCCR0_PAS),
+	.lccr3		= (LCCR3_PixClkDiv(0x02) |
+			   LCCR3_Acb(0xff)),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_tft_320x240_mode = {
+	.pixclock	= 134615,
+	.bpp		= 16,
+	.xres		= 320,
+	.yres		= 240,
+	.hsync_len	= 63,
+	.vsync_len	= 7,
+	.left_margin	= 75,
+	.upper_margin	= 0,
+	.right_margin	= 15,
+	.lower_margin	= 15,
+	.sync		= 0,
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_tft_320x240 = {
+	.modes		= &generic_tft_320x240_mode,
+	.num_modes	= 1,
+	.lccr0		= (LCCR0_PAS),
+	.lccr3		= (LCCR3_PixClkDiv(0x06) |
+			   LCCR3_Acb(0xff) |
+			   LCCR3_PCP),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_stn_640x480_mode = {
+	.pixclock	= 57692,
+	.bpp		= 8,
+	.xres		= 640,
+	.yres		= 480,
+	.hsync_len	= 4,
+	.vsync_len	= 2,
+	.left_margin	= 10,
+	.upper_margin	= 5,
+	.right_margin	= 10,
+	.lower_margin	= 5,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_stn_640x480 = {
+	.modes		= &generic_stn_640x480_mode,
+	.num_modes	= 1,
+	.lccr0		= 0,
+	.lccr3		= (LCCR3_PixClkDiv(0x02) |
+			   LCCR3_Acb(0xff)),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mach_info *cmx270_display = &generic_crt_640x480;
+
+static int __init cmx270_set_display(char *str)
+{
+	int disp_type = simple_strtol(str, NULL, 0);
+	switch (disp_type) {
+	case MTYPE_STN320x240:
+		cmx270_display = &generic_stn_320x240;
+		break;
+	case MTYPE_TFT640x480:
+		cmx270_display = &generic_tft_640x480;
+		break;
+	case MTYPE_CRT640x480:
+		cmx270_display = &generic_crt_640x480;
+		break;
+	case MTYPE_CRT800x600:
+		cmx270_display = &generic_crt_800x600;
+		break;
+	case MTYPE_TFT320x240:
+		cmx270_display = &generic_tft_320x240;
+		break;
+	case MTYPE_STN640x480:
+		cmx270_display = &generic_stn_640x480;
+		break;
+	default: /* fallback to CRT 640x480 */
+		cmx270_display = &generic_crt_640x480;
+		break;
+	}
+	return 1;
+}
+
+/*
+   This should be done really early to get proper configuration for
+   frame buffer.
+   Indeed, pxafb parameters can be used istead, but CM-X270 bootloader
+   has limitied line length for kernel command line, and also it will
+   break compatibitlty with proprietary releases already in field.
+*/
+__setup("monitor=", cmx270_set_display);
+
+/* PXA27x OHCI controller setup */
+static int cmx270_ohci_init(struct device *dev)
+{
+	/* Set the Power Control Polarity Low */
+	UHCHR = (UHCHR | UHCHR_PCPL) &
+		~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
+
+	return 0;
+}
+
+static struct pxaohci_platform_data cmx270_ohci_platform_data = {
+	.port_mode	= PMM_PERPORT_MODE,
+	.init		= cmx270_ohci_init,
+};
+
+
+static int cmx270_mci_init(struct device *dev,
+			   irq_handler_t cmx270_detect_int,
+			   void *data)
+{
+	int err;
+
+	/*
+	 * setup GPIO for PXA27x MMC controller
+	 */
+	pxa_gpio_mode(GPIO32_MMCCLK_MD);
+	pxa_gpio_mode(GPIO112_MMCCMD_MD);
+	pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+	pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+	pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+	pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+
+	/* SB-X270 uses GPIO105 as SD power enable */
+	pxa_gpio_mode(105 | GPIO_OUT);
+
+	/* card detect IRQ on GPIO 83 */
+	pxa_gpio_mode(IRQ_TO_GPIO(CMX270_MMC_IRQ));
+	set_irq_type(CMX270_MMC_IRQ, IRQT_FALLING);
+
+	err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
+			  IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+			  "MMC card detect", data);
+	if (err) {
+		printk(KERN_ERR "cmx270_mci_init: MMC/SD: can't"
+		       " request MMC card detect IRQ\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static void cmx270_mci_setpower(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data *p_d = dev->platform_data;
+
+	if ((1 << vdd) & p_d->ocr_mask) {
+		printk(KERN_DEBUG "%s: on\n", __FUNCTION__);
+		GPCR(105) = GPIO_bit(105);
+	} else {
+		GPSR(105) = GPIO_bit(105);
+		printk(KERN_DEBUG "%s: off\n", __FUNCTION__);
+	}
+}
+
+static void cmx270_mci_exit(struct device *dev, void *data)
+{
+	free_irq(CMX270_MMC_IRQ, data);
+}
+
+static struct pxamci_platform_data cmx270_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
+	.init 		= cmx270_mci_init,
+	.setpower 	= cmx270_mci_setpower,
+	.exit		= cmx270_mci_exit,
+};
+
+#ifdef CONFIG_PM
+static unsigned long sleep_save_msc[10];
+
+static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
+{
+	cmx270_pci_suspend();
+
+	/* save MSC registers */
+	sleep_save_msc[0] = MSC0;
+	sleep_save_msc[1] = MSC1;
+	sleep_save_msc[2] = MSC2;
+
+	/* setup power saving mode registers */
+	PCFR = 0x0;
+	PSLR = 0xff400000;
+	PMCR  = 0x00000005;
+	PWER  = 0x80000000;
+	PFER  = 0x00000000;
+	PRER  = 0x00000000;
+	PGSR0 = 0xC0018800;
+	PGSR1 = 0x004F0002;
+	PGSR2 = 0x6021C000;
+	PGSR3 = 0x00020000;
+
+	return 0;
+}
+
+static int cmx270_resume(struct sys_device *dev)
+{
+	cmx270_pci_resume();
+
+	/* restore MSC registers */
+	MSC0 = sleep_save_msc[0];
+	MSC1 = sleep_save_msc[1];
+	MSC2 = sleep_save_msc[2];
+
+	return 0;
+}
+
+static struct sysdev_class cmx270_pm_sysclass = {
+	set_kset_name("pm"),
+	.resume = cmx270_resume,
+	.suspend = cmx270_suspend,
+};
+
+static struct sys_device cmx270_pm_device = {
+	.cls = &cmx270_pm_sysclass,
+};
+
+static int __init cmx270_pm_init(void)
+{
+	int error;
+	error = sysdev_class_register(&cmx270_pm_sysclass);
+	if (error == 0)
+		error = sysdev_register(&cmx270_pm_device);
+	return error;
+}
+#else
+static int __init cmx270_pm_init(void) { return 0; }
+#endif
+
+static void __init cmx270_init(void)
+{
+	cmx270_pm_init();
+
+	set_pxa_fb_info(cmx270_display);
+
+	/* register CM-X270 platform devices */
+	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+
+	/* set MCI and OHCI platform parameters */
+	pxa_set_mci_info(&cmx270_mci_platform_data);
+	pxa_set_ohci_info(&cmx270_ohci_platform_data);
+
+	/* This enables the STUART */
+	pxa_gpio_mode(GPIO46_STRXD_MD);
+	pxa_gpio_mode(GPIO47_STTXD_MD);
+
+	/* This enables the BTUART  */
+	pxa_gpio_mode(GPIO42_BTRXD_MD);
+	pxa_gpio_mode(GPIO43_BTTXD_MD);
+	pxa_gpio_mode(GPIO44_BTCTS_MD);
+	pxa_gpio_mode(GPIO45_BTRTS_MD);
+}
+
+static void __init cmx270_init_irq(void)
+{
+	pxa27x_init_irq();
+
+
+	cmx270_pci_init_irq();
+
+	/* Setup interrupt for dm9000 */
+	pxa_gpio_mode(IRQ_TO_GPIO(CMX270_ETHIRQ));
+	set_irq_type(CMX270_ETHIRQ, IRQT_RISING);
+
+	/* Setup interrupt for 2700G */
+	pxa_gpio_mode(IRQ_TO_GPIO(CMX270_GFXIRQ));
+	set_irq_type(CMX270_GFXIRQ, IRQT_FALLING);
+}
+
+static void __init cmx270_map_io(void)
+{
+	pxa_map_io();
+	iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
+}
+
+
+MACHINE_START(ARMCORE, "Compulab CM-x270")
+	.boot_params	= 0xa0000100,
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io		= cmx270_map_io,
+	.init_irq	= cmx270_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= cmx270_init,
+MACHINE_END

arch/arm/mach-pxa/devices.h

@@ -9,3 +9,6 @@ extern struct platform_device pxa_device_i2c;
 extern struct platform_device pxa_device_i2s;
 extern struct platform_device pxa_device_ficp;
 extern struct platform_device pxa_device_rtc;
+
+extern struct platform_device pxa27x_device_i2c_power;
+extern struct platform_device pxa27x_device_ohci;

arch/arm/mach-pxa/generic.c

@@ -25,10 +25,6 @@
 #include <linux/pm.h>
 #include <linux/string.h>
 
-#include <linux/sched.h>
-#include <asm/cnt32_to_63.h>
-#include <asm/div64.h>
-
 #include <asm/hardware.h>
 #include <asm/irq.h>
 #include <asm/system.h>
@@ -47,66 +43,39 @@
 #include "generic.h"
 
 /*
- * This is the PXA2xx sched_clock implementation. This has a resolution
- * of at least 308ns and a maximum value that depends on the value of
- * CLOCK_TICK_RATE.
- *
- * The return value is guaranteed to be monotonic in that range as
- * long as there is always less than 582 seconds between successive
- * calls to this function.
+ * Get the clock frequency as reflected by CCCR and the turbo flag.
+ * We assume these values have been applied via a fcs.
+ * If info is not 0 we also display the current settings.
  */
-unsigned long long sched_clock(void)
+unsigned int get_clk_frequency_khz(int info)
 {
-	unsigned long long v = cnt32_to_63(OSCR);
-	/* Note: top bit ov v needs cleared unless multiplier is even. */
-
-#if	CLOCK_TICK_RATE == 3686400
-	/* 1E9 / 3686400 => 78125 / 288, max value = 32025597s (370 days). */
-	/* The <<1 is used to get rid of tick.hi top bit */
-	v *= 78125<<1;
-	do_div(v, 288<<1);
-#elif	CLOCK_TICK_RATE == 3250000
-	/* 1E9 / 3250000 => 4000 / 13, max value = 709490156s (8211 days) */
-	v *= 4000;
-	do_div(v, 13);
-#elif	CLOCK_TICK_RATE == 3249600
-	/* 1E9 / 3249600 => 625000 / 2031, max value = 4541295s (52 days) */
-	v *= 625000;
-	do_div(v, 2031);
-#else
-#warning "consider fixing sched_clock for your value of CLOCK_TICK_RATE"
-	/*
-	 * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
-	 * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
-	 * years range and truncation to unsigned long long limits it to
-	 * sched_clock's max range of ~584 years.  This is nice but with
-	 * higher computation cost.
-	 */
-	{
-		union {
-			unsigned long long val;
-			struct { unsigned long lo, hi; };
-		} x;
-		unsigned long long y;
-
-		x.val = v;
-		x.hi &= 0x7fffffff;
-		y = (unsigned long long)x.lo * NSEC_PER_SEC;
-		x.lo = y;
-		y = (y >> 32) + (unsigned long long)x.hi * NSEC_PER_SEC;
-		x.hi = do_div(y, CLOCK_TICK_RATE);
-		do_div(x.val, CLOCK_TICK_RATE);
-		x.hi += y;
-		v = x.val;
-	}
-#endif
+	if (cpu_is_pxa21x() || cpu_is_pxa25x())
+		return pxa25x_get_clk_frequency_khz(info);
+	else if (cpu_is_pxa27x())
+		return pxa27x_get_clk_frequency_khz(info);
+	else
+		return pxa3xx_get_clk_frequency_khz(info);
+}
+EXPORT_SYMBOL(get_clk_frequency_khz);
 
-	return v;
+/*
+ * Return the current memory clock frequency in units of 10kHz
+ */
+unsigned int get_memclk_frequency_10khz(void)
+{
+	if (cpu_is_pxa21x() || cpu_is_pxa25x())
+		return pxa25x_get_memclk_frequency_10khz();
+	else if (cpu_is_pxa27x())
+		return pxa27x_get_memclk_frequency_10khz();
+	else
+		return pxa3xx_get_memclk_frequency_10khz();
 }
+EXPORT_SYMBOL(get_memclk_frequency_10khz);
 
 /*
  * Handy function to set GPIO alternate functions
  */
+int pxa_last_gpio;
 
 int pxa_gpio_mode(int gpio_mode)
 {
@@ -115,7 +84,7 @@ int pxa_gpio_mode(int gpio_mode)
 	int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
 	int gafr;
 
-	if (gpio > PXA_LAST_GPIO)
+	if (gpio > pxa_last_gpio)
 		return -EINVAL;
 
 	local_irq_save(flags);
@@ -136,6 +105,44 @@ int pxa_gpio_mode(int gpio_mode)
 
 EXPORT_SYMBOL(pxa_gpio_mode);
 
+int gpio_direction_input(unsigned gpio)
+{
+	unsigned long flags;
+	u32 mask;
+
+	if (gpio > pxa_last_gpio)
+		return -EINVAL;
+
+	mask = GPIO_bit(gpio);
+	local_irq_save(flags);
+	GPDR(gpio) &= ~mask;
+	local_irq_restore(flags);
+
+	return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+	unsigned long flags;
+	u32 mask;
+
+	if (gpio > pxa_last_gpio)
+		return -EINVAL;
+
+	mask = GPIO_bit(gpio);
+	local_irq_save(flags);
+	if (value)
+		GPSR(gpio) = mask;
+	else
+		GPCR(gpio) = mask;
+	GPDR(gpio) |= mask;
+	local_irq_restore(flags);
+
+	return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
 /*
  * Return GPIO level
  */
@@ -159,7 +166,7 @@ EXPORT_SYMBOL(pxa_gpio_set_value);
 /*
  * Routine to safely enable or disable a clock in the CKEN
  */
-void pxa_set_cken(int clock, int enable)
+void __pxa_set_cken(int clock, int enable)
 {
 	unsigned long flags;
 	local_irq_save(flags);
@@ -172,7 +179,7 @@ void pxa_set_cken(int clock, int enable)
 	local_irq_restore(flags);
 }
 
-EXPORT_SYMBOL(pxa_set_cken);
+EXPORT_SYMBOL(__pxa_set_cken);
 
 /*
  * Intel PXA2xx internal register mapping.
@@ -329,21 +336,80 @@ void __init set_pxa_fb_parent(struct device *parent_dev)
 	pxa_device_fb.dev.parent = parent_dev;
 }
 
+static struct resource pxa_resource_ffuart[] = {
+	{
+		.start	= __PREG(FFUART),
+		.end	= __PREG(FFUART) + 35,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_FFUART,
+		.end	= IRQ_FFUART,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
 struct platform_device pxa_device_ffuart= {
 	.name		= "pxa2xx-uart",
 	.id		= 0,
+	.resource	= pxa_resource_ffuart,
+	.num_resources	= ARRAY_SIZE(pxa_resource_ffuart),
 };
+
+static struct resource pxa_resource_btuart[] = {
+	{
+		.start	= __PREG(BTUART),
+		.end	= __PREG(BTUART) + 35,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_BTUART,
+		.end	= IRQ_BTUART,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
 struct platform_device pxa_device_btuart = {
 	.name		= "pxa2xx-uart",
 	.id		= 1,
+	.resource	= pxa_resource_btuart,
+	.num_resources	= ARRAY_SIZE(pxa_resource_btuart),
 };
+
+static struct resource pxa_resource_stuart[] = {
+	{
+		.start	= __PREG(STUART),
+		.end	= __PREG(STUART) + 35,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_STUART,
+		.end	= IRQ_STUART,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
 struct platform_device pxa_device_stuart = {
 	.name		= "pxa2xx-uart",
 	.id		= 2,
+	.resource	= pxa_resource_stuart,
+	.num_resources	= ARRAY_SIZE(pxa_resource_stuart),
 };
+
+static struct resource pxa_resource_hwuart[] = {
+	{
+		.start	= __PREG(HWUART),
+		.end	= __PREG(HWUART) + 47,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_HWUART,
+		.end	= IRQ_HWUART,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
 struct platform_device pxa_device_hwuart = {
 	.name		= "pxa2xx-uart",
 	.id		= 3,
+	.resource	= pxa_resource_hwuart,
+	.num_resources	= ARRAY_SIZE(pxa_resource_hwuart),
 };
 
 static struct resource pxai2c_resources[] = {

arch/arm/mach-pxa/generic.h

@@ -15,14 +15,40 @@ extern struct sys_timer pxa_timer;
 extern void __init pxa_init_irq_low(void);
 extern void __init pxa_init_irq_high(void);
 extern void __init pxa_init_irq_gpio(int gpio_nr);
+extern void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int));
 extern void __init pxa25x_init_irq(void);
 extern void __init pxa27x_init_irq(void);
+extern void __init pxa3xx_init_irq(void);
 extern void __init pxa_map_io(void);
 
 extern unsigned int get_clk_frequency_khz(int info);
+extern int pxa_last_gpio;
 
 #define SET_BANK(__nr,__start,__size) \
 	mi->bank[__nr].start = (__start), \
 	mi->bank[__nr].size = (__size), \
 	mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27)
 
+#ifdef CONFIG_PXA25x
+extern unsigned pxa25x_get_clk_frequency_khz(int);
+extern unsigned pxa25x_get_memclk_frequency_10khz(void);
+#else
+#define pxa25x_get_clk_frequency_khz(x)		(0)
+#define pxa25x_get_memclk_frequency_10khz()	(0)
+#endif
+
+#ifdef CONFIG_PXA27x
+extern unsigned pxa27x_get_clk_frequency_khz(int);
+extern unsigned pxa27x_get_memclk_frequency_10khz(void);
+#else
+#define pxa27x_get_clk_frequency_khz(x)		(0)
+#define pxa27x_get_memclk_frequency_10khz()	(0)
+#endif
+
+#ifdef CONFIG_PXA3xx
+extern unsigned pxa3xx_get_clk_frequency_khz(int);
+extern unsigned pxa3xx_get_memclk_frequency_10khz(void);
+#else
+#define pxa3xx_get_clk_frequency_khz(x)		(0)
+#define pxa3xx_get_memclk_frequency_10khz()	(0)
+#endif

arch/arm/mach-pxa/irq.c

@@ -38,33 +38,11 @@ static void pxa_unmask_low_irq(unsigned int irq)
 	ICMR |= (1 << irq);
 }
 
-static int pxa_set_wake(unsigned int irq, unsigned int on)
-{
-	u32	mask;
-
-	switch (irq) {
-	case IRQ_RTCAlrm:
-		mask = PWER_RTC;
-		break;
-#ifdef CONFIG_PXA27x
-	/* REVISIT can handle USBH1, USBH2, USB, MSL, USIM, ... */
-#endif
-	default:
-		return -EINVAL;
-	}
-	if (on)
-		PWER |= mask;
-	else
-		PWER &= ~mask;
-	return 0;
-}
-
 static struct irq_chip pxa_internal_chip_low = {
 	.name		= "SC",
 	.ack		= pxa_mask_low_irq,
 	.mask		= pxa_mask_low_irq,
 	.unmask		= pxa_unmask_low_irq,
-	.set_wake	= pxa_set_wake,
 };
 
 void __init pxa_init_irq_low(void)
@@ -87,7 +65,7 @@ void __init pxa_init_irq_low(void)
 	}
 }
 
-#ifdef CONFIG_PXA27x
+#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
 
 /*
  * This is for the second set of internal IRQs as found on the PXA27x.
@@ -125,26 +103,6 @@ void __init pxa_init_irq_high(void)
 }
 #endif
 
-/* Note that if an input/irq line ever gets changed to an output during
- * suspend, the relevant PWER, PRER, and PFER bits should be cleared.
- */
-#ifdef CONFIG_PXA27x
-
-/* PXA27x:  Various gpios can issue wakeup events.  This logic only
- * handles the simple cases, not the WEMUX2 and WEMUX3 options
- */
-#define PXA27x_GPIO_NOWAKE_MASK \
-	((1 << 8) | (1 << 7) | (1 << 6) | (1 << 5) | (1 << 2))
-#define	WAKEMASK(gpio) \
-	(((gpio) <= 15) \
-		? ((1 << (gpio)) & ~PXA27x_GPIO_NOWAKE_MASK) \
-		: ((gpio == 35) ? (1 << 24) : 0))
-#else
-
-/* pxa 210, 250, 255, 26x:  gpios 0..15 can issue wakeups */
-#define	WAKEMASK(gpio) (((gpio) <= 15) ? (1 << (gpio)) : 0)
-#endif
-
 /*
  * PXA GPIO edge detection for IRQs:
  * IRQs are generated on Falling-Edge, Rising-Edge, or both.
@@ -158,11 +116,9 @@ static long GPIO_IRQ_mask[4];
 static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
 {
 	int gpio, idx;
-	u32 mask;
 
 	gpio = IRQ_TO_GPIO(irq);
 	idx = gpio >> 5;
-	mask = WAKEMASK(gpio);
 
 	if (type == IRQT_PROBE) {
 	    /* Don't mess with enabled GPIOs using preconfigured edges or
@@ -182,19 +138,15 @@ static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
 	if (type & __IRQT_RISEDGE) {
 		/* printk("rising "); */
 		__set_bit (gpio, GPIO_IRQ_rising_edge);
-		PRER |= mask;
 	} else {
 		__clear_bit (gpio, GPIO_IRQ_rising_edge);
-		PRER &= ~mask;
 	}
 
 	if (type & __IRQT_FALEDGE) {
 		/* printk("falling "); */
 		__set_bit (gpio, GPIO_IRQ_falling_edge);
-		PFER |= mask;
 	} else {
 		__clear_bit (gpio, GPIO_IRQ_falling_edge);
-		PFER &= ~mask;
 	}
 
 	/* printk("edges\n"); */
@@ -213,29 +165,12 @@ static void pxa_ack_low_gpio(unsigned int irq)
 	GEDR0 = (1 << (irq - IRQ_GPIO0));
 }
 
-static int pxa_set_gpio_wake(unsigned int irq, unsigned int on)
-{
-	int	gpio = IRQ_TO_GPIO(irq);
-	u32	mask = WAKEMASK(gpio);
-
-	if (!mask)
-		return -EINVAL;
-
-	if (on)
-		PWER |= mask;
-	else
-		PWER &= ~mask;
-	return 0;
-}
-
-
 static struct irq_chip pxa_low_gpio_chip = {
 	.name		= "GPIO-l",
 	.ack		= pxa_ack_low_gpio,
 	.mask		= pxa_mask_low_irq,
 	.unmask		= pxa_unmask_low_irq,
 	.set_type	= pxa_gpio_irq_type,
-	.set_wake	= pxa_set_gpio_wake,
 };
 
 /*
@@ -342,13 +277,14 @@ static struct irq_chip pxa_muxed_gpio_chip = {
 	.mask		= pxa_mask_muxed_gpio,
 	.unmask		= pxa_unmask_muxed_gpio,
 	.set_type	= pxa_gpio_irq_type,
-	.set_wake	= pxa_set_gpio_wake,
 };
 
 void __init pxa_init_irq_gpio(int gpio_nr)
 {
 	int irq, i;
 
+	pxa_last_gpio = gpio_nr - 1;
+
 	/* clear all GPIO edge detects */
 	for (i = 0; i < gpio_nr; i += 32) {
 		GFER(i) = 0;
@@ -375,3 +311,13 @@ void __init pxa_init_irq_gpio(int gpio_nr)
 	set_irq_chip(IRQ_GPIO_2_x, &pxa_internal_chip_low);
 	set_irq_chained_handler(IRQ_GPIO_2_x, pxa_gpio_demux_handler);
 }
+
+void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int))
+{
+	pxa_internal_chip_low.set_wake = set_wake;
+#ifdef CONFIG_PXA27x
+	pxa_internal_chip_high.set_wake = set_wake;
+#endif
+	pxa_low_gpio_chip.set_wake = set_wake;
+	pxa_muxed_gpio_chip.set_wake = set_wake;
+}

arch/arm/mach-pxa/lubbock.c

@@ -512,6 +512,25 @@ static void __init lubbock_map_io(void)
 	pxa_gpio_mode(GPIO44_BTCTS_MD);
 	pxa_gpio_mode(GPIO45_BTRTS_MD);
 
+	GPSR(GPIO48_nPOE) =
+		GPIO_bit(GPIO48_nPOE) |
+		GPIO_bit(GPIO49_nPWE) |
+		GPIO_bit(GPIO50_nPIOR) |
+		GPIO_bit(GPIO51_nPIOW) |
+		GPIO_bit(GPIO52_nPCE_1) |
+		GPIO_bit(GPIO53_nPCE_2);
+
+	pxa_gpio_mode(GPIO48_nPOE_MD);
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+	pxa_gpio_mode(GPIO50_nPIOR_MD);
+	pxa_gpio_mode(GPIO51_nPIOW_MD);
+	pxa_gpio_mode(GPIO52_nPCE_1_MD);
+	pxa_gpio_mode(GPIO53_nPCE_2_MD);
+	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
+	pxa_gpio_mode(GPIO55_nPREG_MD);
+	pxa_gpio_mode(GPIO56_nPWAIT_MD);
+	pxa_gpio_mode(GPIO57_nIOIS16_MD);
+
 	/* This is for the SMC chip select */
 	pxa_gpio_mode(GPIO79_nCS_3_MD);
 

arch/arm/mach-pxa/mainstone.c

@@ -444,6 +444,25 @@ static void __init mainstone_init(void)
 	 */
 	pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
 
+	GPSR(GPIO48_nPOE) =
+		GPIO_bit(GPIO48_nPOE) |
+		GPIO_bit(GPIO49_nPWE) |
+		GPIO_bit(GPIO50_nPIOR) |
+		GPIO_bit(GPIO51_nPIOW) |
+		GPIO_bit(GPIO85_nPCE_1) |
+		GPIO_bit(GPIO54_nPCE_2);
+
+	pxa_gpio_mode(GPIO48_nPOE_MD);
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+	pxa_gpio_mode(GPIO50_nPIOR_MD);
+	pxa_gpio_mode(GPIO51_nPIOW_MD);
+	pxa_gpio_mode(GPIO85_nPCE_1_MD);
+	pxa_gpio_mode(GPIO54_nPCE_2_MD);
+	pxa_gpio_mode(GPIO79_pSKTSEL_MD);
+	pxa_gpio_mode(GPIO55_nPREG_MD);
+	pxa_gpio_mode(GPIO56_nPWAIT_MD);
+	pxa_gpio_mode(GPIO57_nIOIS16_MD);
+
 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 
 	/* reading Mainstone's "Virtual Configuration Register"

arch/arm/mach-pxa/mfp.c

+/*
+ * linux/arch/arm/mach-pxa/mfp.c
+ *
+ * PXA3xx Multi-Function Pin Support
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ *
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ *             initial version
+ *
+ *  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 <asm/hardware.h>
+#include <asm/arch/mfp.h>
+
+/* mfp_spin_lock is used to ensure that MFP register configuration
+ * (most likely a read-modify-write operation) is atomic, and that
+ * mfp_table[] is consistent
+ */
+static DEFINE_SPINLOCK(mfp_spin_lock);
+
+static void __iomem *mfpr_mmio_base = (void __iomem *)&__REG(MFPR_BASE);
+static struct pxa3xx_mfp_pin mfp_table[MFP_PIN_MAX];
+
+#define mfpr_readl(off)			\
+	__raw_readl(mfpr_mmio_base + (off))
+
+#define mfpr_writel(off, val)		\
+	__raw_writel(val, mfpr_mmio_base + (off))
+
+/*
+ * perform a read-back of any MFPR register to make sure the
+ * previous writings are finished
+ */
+#define mfpr_sync()	(void)__raw_readl(mfpr_mmio_base + 0)
+
+static inline void __mfp_config(int pin, unsigned long val)
+{
+	unsigned long off = mfp_table[pin].mfpr_off;
+
+	mfp_table[pin].mfpr_val = val;
+	mfpr_writel(off, val);
+}
+
+void pxa3xx_mfp_config(mfp_cfg_t *mfp_cfgs, int num)
+{
+	int i, pin;
+	unsigned long val, flags;
+	mfp_cfg_t *mfp_cfg = mfp_cfgs;
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+
+	for (i = 0; i < num; i++, mfp_cfg++) {
+		pin = MFP_CFG_PIN(*mfp_cfg);
+		val = MFP_CFG_VAL(*mfp_cfg);
+
+		BUG_ON(pin >= MFP_PIN_MAX);
+
+		__mfp_config(pin, val);
+	}
+
+	mfpr_sync();
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+unsigned long pxa3xx_mfp_read(int mfp)
+{
+	unsigned long val, flags;
+
+	BUG_ON(mfp >= MFP_PIN_MAX);
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+	val = mfpr_readl(mfp_table[mfp].mfpr_off);
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+
+	return val;
+}
+
+void pxa3xx_mfp_write(int mfp, unsigned long val)
+{
+	unsigned long flags;
+
+	BUG_ON(mfp >= MFP_PIN_MAX);
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+	mfpr_writel(mfp_table[mfp].mfpr_off, val);
+	mfpr_sync();
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_afds(int mfp, int af, int ds)
+{
+	uint32_t mfpr_off, mfpr_val;
+	unsigned long flags;
+
+	BUG_ON(mfp >= MFP_PIN_MAX);
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+	mfpr_off = mfp_table[mfp].mfpr_off;
+
+	mfpr_val = mfpr_readl(mfpr_off);
+	mfpr_val &= ~(MFPR_AF_MASK | MFPR_DRV_MASK);
+	mfpr_val |= (((af & 0x7) << MFPR_ALT_OFFSET) |
+		     ((ds & 0x7) << MFPR_DRV_OFFSET));
+
+	mfpr_writel(mfpr_off, mfpr_val);
+	mfpr_sync();
+
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_rdh(int mfp, int rdh)
+{
+	uint32_t mfpr_off, mfpr_val;
+	unsigned long flags;
+
+	BUG_ON(mfp >= MFP_PIN_MAX);
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+
+	mfpr_off = mfp_table[mfp].mfpr_off;
+
+	mfpr_val = mfpr_readl(mfpr_off);
+	mfpr_val &= ~MFPR_RDH_MASK;
+
+	if (likely(rdh))
+		mfpr_val |= (1u << MFPR_SS_OFFSET);
+
+	mfpr_writel(mfpr_off, mfpr_val);
+	mfpr_sync();
+
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_lpm(int mfp, int lpm)
+{
+	uint32_t mfpr_off, mfpr_val;
+	unsigned long flags;
+
+	BUG_ON(mfp >= MFP_PIN_MAX);
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+
+	mfpr_off = mfp_table[mfp].mfpr_off;
+	mfpr_val = mfpr_readl(mfpr_off);
+	mfpr_val &= ~MFPR_LPM_MASK;
+
+	if (lpm & 0x1) mfpr_val |= 1u << MFPR_SON_OFFSET;
+	if (lpm & 0x2) mfpr_val |= 1u << MFPR_SD_OFFSET;
+	if (lpm & 0x4) mfpr_val |= 1u << MFPR_PU_OFFSET;
+	if (lpm & 0x8) mfpr_val |= 1u << MFPR_PD_OFFSET;
+	if (lpm &0x10) mfpr_val |= 1u << MFPR_PS_OFFSET;
+
+	mfpr_writel(mfpr_off, mfpr_val);
+	mfpr_sync();
+
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_pull(int mfp, int pull)
+{
+	uint32_t mfpr_off, mfpr_val;
+	unsigned long flags;
+
+	BUG_ON(mfp >= MFP_PIN_MAX);
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+
+	mfpr_off = mfp_table[mfp].mfpr_off;
+	mfpr_val = mfpr_readl(mfpr_off);
+	mfpr_val &= ~MFPR_PULL_MASK;
+	mfpr_val |= ((pull & 0x7u) << MFPR_PD_OFFSET);
+
+	mfpr_writel(mfpr_off, mfpr_val);
+	mfpr_sync();
+
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_edge(int mfp, int edge)
+{
+	uint32_t mfpr_off, mfpr_val;
+	unsigned long flags;
+
+	BUG_ON(mfp >= MFP_PIN_MAX);
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+
+	mfpr_off = mfp_table[mfp].mfpr_off;
+	mfpr_val = mfpr_readl(mfpr_off);
+
+	mfpr_val &= ~MFPR_EDGE_MASK;
+	mfpr_val |= (edge & 0x3u) << MFPR_ERE_OFFSET;
+	mfpr_val |= (!edge & 0x1) << MFPR_EC_OFFSET;
+
+	mfpr_writel(mfpr_off, mfpr_val);
+	mfpr_sync();
+
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *map)
+{
+	struct pxa3xx_mfp_addr_map *p;
+	unsigned long offset, flags;
+	int i;
+
+	spin_lock_irqsave(&mfp_spin_lock, flags);
+
+	for (p = map; p->start != MFP_PIN_INVALID; p++) {
+		offset = p->offset;
+		i = p->start;
+
+		do {
+			mfp_table[i].mfpr_off = offset;
+			mfp_table[i].mfpr_val = 0;
+			offset += 4; i++;
+		} while ((i <= p->end) && (p->end != -1));
+	}
+
+	spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void __init pxa3xx_init_mfp(void)
+{
+	memset(mfp_table, 0, sizeof(mfp_table));
+}

arch/arm/mach-pxa/pxa25x.c

@@ -30,6 +30,7 @@
 
 #include "generic.h"
 #include "devices.h"
+#include "clock.h"
 
 /*
  * Various clock factors driven by the CCCR register.
@@ -53,7 +54,7 @@ static unsigned char N2_clk_mult[8] = { 0, 0, 2, 3, 4, 0, 6, 0 };
  * We assume these values have been applied via a fcs.
  * If info is not 0 we also display the current settings.
  */
-unsigned int get_clk_frequency_khz(int info)
+unsigned int pxa25x_get_clk_frequency_khz(int info)
 {
 	unsigned long cccr, turbo;
 	unsigned int l, L, m, M, n2, N;
@@ -86,27 +87,48 @@ unsigned int get_clk_frequency_khz(int info)
 	return (turbo & 1) ? (N/1000) : (M/1000);
 }
 
-EXPORT_SYMBOL(get_clk_frequency_khz);
-
 /*
  * Return the current memory clock frequency in units of 10kHz
  */
-unsigned int get_memclk_frequency_10khz(void)
+unsigned int pxa25x_get_memclk_frequency_10khz(void)
 {
 	return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK / 10000;
 }
 
-EXPORT_SYMBOL(get_memclk_frequency_10khz);
-
-/*
- * Return the current LCD clock frequency in units of 10kHz
- */
-unsigned int get_lcdclk_frequency_10khz(void)
+static unsigned long clk_pxa25x_lcd_getrate(struct clk *clk)
 {
-	return get_memclk_frequency_10khz();
+	return pxa25x_get_memclk_frequency_10khz() * 10000;
 }
 
-EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
+static const struct clkops clk_pxa25x_lcd_ops = {
+	.enable		= clk_cken_enable,
+	.disable	= clk_cken_disable,
+	.getrate	= clk_pxa25x_lcd_getrate,
+};
+
+/*
+ * 3.6864MHz -> OST, GPIO, SSP, PWM, PLLs (95.842MHz, 147.456MHz)
+ * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
+ * 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly)
+ */
+static struct clk pxa25x_clks[] = {
+	INIT_CK("LCDCLK", LCD, &clk_pxa25x_lcd_ops, &pxa_device_fb.dev),
+	INIT_CKEN("UARTCLK", FFUART, 14745600, 1, &pxa_device_ffuart.dev),
+	INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
+	INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
+	INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
+	INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa_device_udc.dev),
+	INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
+	INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev),
+	/*
+	INIT_CKEN("PWMCLK",  PWM0, 3686400,  0, NULL),
+	INIT_CKEN("PWMCLK",  PWM0, 3686400,  0, NULL),
+	INIT_CKEN("SSPCLK",  SSP,  3686400,  0, NULL),
+	INIT_CKEN("I2SCLK",  I2S,  14745600, 0, NULL),
+	INIT_CKEN("NSSPCLK", NSSP, 3686400,  0, NULL),
+	*/
+	INIT_CKEN("FICPCLK", FICP, 47923000, 0, NULL),
+};
 
 #ifdef CONFIG_PM
 
@@ -205,10 +227,52 @@ static void __init pxa25x_init_pm(void)
 }
 #endif
 
+/* PXA25x: supports wakeup from GPIO0..GPIO15 and RTC alarm
+ */
+
+static int pxa25x_set_wake(unsigned int irq, unsigned int on)
+{
+	int gpio = IRQ_TO_GPIO(irq);
+	uint32_t gpio_bit, mask = 0;
+
+	if (gpio >= 0 && gpio <= 15) {
+		gpio_bit = GPIO_bit(gpio);
+		mask = gpio_bit;
+		if (on) {
+			if (GRER(gpio) | gpio_bit)
+				PRER |= gpio_bit;
+			else
+				PRER &= ~gpio_bit;
+
+			if (GFER(gpio) | gpio_bit)
+				PFER |= gpio_bit;
+			else
+				PFER &= ~gpio_bit;
+		}
+		goto set_pwer;
+	}
+
+	if (irq == IRQ_RTCAlrm) {
+		mask = PWER_RTC;
+		goto set_pwer;
+	}
+
+	return -EINVAL;
+
+set_pwer:
+	if (on)
+		PWER |= mask;
+	else
+		PWER &=~mask;
+
+	return 0;
+}
+
 void __init pxa25x_init_irq(void)
 {
 	pxa_init_irq_low();
 	pxa_init_irq_gpio(85);
+	pxa_init_irq_set_wake(pxa25x_set_wake);
 }
 
 static struct platform_device *pxa25x_devices[] __initdata = {
@@ -229,6 +293,8 @@ static int __init pxa25x_init(void)
 	int ret = 0;
 
 	if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
+		clks_register(pxa25x_clks, ARRAY_SIZE(pxa25x_clks));
+
 		if ((ret = pxa_init_dma(16)))
 			return ret;
 #ifdef CONFIG_PM

arch/arm/mach-pxa/pxa27x.c

@@ -27,6 +27,7 @@
 
 #include "generic.h"
 #include "devices.h"
+#include "clock.h"
 
 /* Crystal clock: 13MHz */
 #define BASE_CLK	13000000
@@ -36,7 +37,7 @@
  * We assume these values have been applied via a fcs.
  * If info is not 0 we also display the current settings.
  */
-unsigned int get_clk_frequency_khz( int info)
+unsigned int pxa27x_get_clk_frequency_khz(int info)
 {
 	unsigned long ccsr, clkcfg;
 	unsigned int l, L, m, M, n2, N, S;
@@ -79,7 +80,7 @@ unsigned int get_clk_frequency_khz( int info)
  * Return the current mem clock frequency in units of 10kHz as
  * reflected by CCCR[A], B, and L
  */
-unsigned int get_memclk_frequency_10khz(void)
+unsigned int pxa27x_get_memclk_frequency_10khz(void)
 {
 	unsigned long ccsr, clkcfg;
 	unsigned int l, L, m, M;
@@ -104,7 +105,7 @@ unsigned int get_memclk_frequency_10khz(void)
 /*
  * Return the current LCD clock frequency in units of 10kHz as
  */
-unsigned int get_lcdclk_frequency_10khz(void)
+static unsigned int pxa27x_get_lcdclk_frequency_10khz(void)
 {
 	unsigned long ccsr;
 	unsigned int l, L, k, K;
@@ -120,9 +121,47 @@ unsigned int get_lcdclk_frequency_10khz(void)
 	return (K / 10000);
 }
 
-EXPORT_SYMBOL(get_clk_frequency_khz);
-EXPORT_SYMBOL(get_memclk_frequency_10khz);
-EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
+static unsigned long clk_pxa27x_lcd_getrate(struct clk *clk)
+{
+	return pxa27x_get_lcdclk_frequency_10khz() * 10000;
+}
+
+static const struct clkops clk_pxa27x_lcd_ops = {
+	.enable		= clk_cken_enable,
+	.disable	= clk_cken_disable,
+	.getrate	= clk_pxa27x_lcd_getrate,
+};
+
+static struct clk pxa27x_clks[] = {
+	INIT_CK("LCDCLK", LCD,    &clk_pxa27x_lcd_ops, &pxa_device_fb.dev),
+	INIT_CK("CAMCLK", CAMERA, &clk_pxa27x_lcd_ops, NULL),
+
+	INIT_CKEN("UARTCLK", FFUART, 14857000, 1, &pxa_device_ffuart.dev),
+	INIT_CKEN("UARTCLK", BTUART, 14857000, 1, &pxa_device_btuart.dev),
+	INIT_CKEN("UARTCLK", STUART, 14857000, 1, NULL),
+
+	INIT_CKEN("I2SCLK",  I2S,  14682000, 0, &pxa_device_i2s.dev),
+	INIT_CKEN("I2CCLK",  I2C,  32842000, 0, &pxa_device_i2c.dev),
+	INIT_CKEN("UDCCLK",  USB,  48000000, 5, &pxa_device_udc.dev),
+	INIT_CKEN("MMCCLK",  MMC,  19500000, 0, &pxa_device_mci.dev),
+	INIT_CKEN("FICPCLK", FICP, 48000000, 0, &pxa_device_ficp.dev),
+
+	INIT_CKEN("USBCLK", USB,    48000000, 0, &pxa27x_device_ohci.dev),
+	INIT_CKEN("I2CCLK", PWRI2C, 13000000, 0, &pxa27x_device_i2c_power.dev),
+	INIT_CKEN("KBDCLK", KEYPAD, 32768, 0, NULL),
+
+	/*
+	INIT_CKEN("PWMCLK",  PWM0, 13000000, 0, NULL),
+	INIT_CKEN("SSPCLK",  SSP1, 13000000, 0, NULL),
+	INIT_CKEN("SSPCLK",  SSP2, 13000000, 0, NULL),
+	INIT_CKEN("SSPCLK",  SSP3, 13000000, 0, NULL),
+	INIT_CKEN("MSLCLK",  MSL,  48000000, 0, NULL),
+	INIT_CKEN("USIMCLK", USIM, 48000000, 0, NULL),
+	INIT_CKEN("MSTKCLK", MEMSTK, 19500000, 0, NULL),
+	INIT_CKEN("IMCLK",   IM,   0, 0, NULL),
+	INIT_CKEN("MEMCLK",  MEMC, 0, 0, NULL),
+	*/
+};
 
 #ifdef CONFIG_PM
 
@@ -267,6 +306,69 @@ static void __init pxa27x_init_pm(void)
 }
 #endif
 
+/* PXA27x:  Various gpios can issue wakeup events.  This logic only
+ * handles the simple cases, not the WEMUX2 and WEMUX3 options
+ */
+#define PXA27x_GPIO_NOWAKE_MASK \
+        ((1 << 8) | (1 << 7) | (1 << 6) | (1 << 5) | (1 << 2))
+#define WAKEMASK(gpio) \
+        (((gpio) <= 15) \
+                 ? ((1 << (gpio)) & ~PXA27x_GPIO_NOWAKE_MASK) \
+                 : ((gpio == 35) ? (1 << 24) : 0))
+
+static int pxa27x_set_wake(unsigned int irq, unsigned int on)
+{
+	int gpio = IRQ_TO_GPIO(irq);
+	uint32_t mask;
+
+	if ((gpio >= 0 && gpio <= 15) || (gpio == 35)) {
+		if (WAKEMASK(gpio) == 0)
+			return -EINVAL;
+
+		mask = WAKEMASK(gpio);
+
+		if (on) {
+			if (GRER(gpio) | GPIO_bit(gpio))
+				PRER |= mask;
+			else
+				PRER &= ~mask;
+
+			if (GFER(gpio) | GPIO_bit(gpio))
+				PFER |= mask;
+			else
+				PFER &= ~mask;
+		}
+		goto set_pwer;
+	}
+
+	switch (irq) {
+	case IRQ_RTCAlrm:
+		mask = PWER_RTC;
+		break;
+	case IRQ_USB:
+		mask = 1u << 26;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+set_pwer:
+	if (on)
+		PWER |= mask;
+	else
+		PWER &=~mask;
+
+	return 0;
+}
+
+void __init pxa27x_init_irq(void)
+{
+	pxa_init_irq_low();
+	pxa_init_irq_high();
+	pxa_init_irq_gpio(128);
+	pxa_init_irq_set_wake(pxa27x_set_wake);
+}
+
 /*
  * device registration specific to PXA27x.
  */
@@ -286,7 +388,7 @@ static struct resource pxa27x_ohci_resources[] = {
 	},
 };
 
-static struct platform_device pxa27x_device_ohci = {
+struct platform_device pxa27x_device_ohci = {
 	.name		= "pxa27x-ohci",
 	.id		= -1,
 	.dev		= {
@@ -314,7 +416,7 @@ static struct resource i2c_power_resources[] = {
 	},
 };
 
-static struct platform_device pxa27x_device_i2c_power = {
+struct platform_device pxa27x_device_i2c_power = {
 	.name		= "pxa2xx-i2c",
 	.id		= 1,
 	.resource	= i2c_power_resources,
@@ -336,17 +438,12 @@ static struct platform_device *devices[] __initdata = {
 	&pxa27x_device_ohci,
 };
 
-void __init pxa27x_init_irq(void)
-{
-	pxa_init_irq_low();
-	pxa_init_irq_high();
-	pxa_init_irq_gpio(128);
-}
-
 static int __init pxa27x_init(void)
 {
 	int ret = 0;
 	if (cpu_is_pxa27x()) {
+		clks_register(pxa27x_clks, ARRAY_SIZE(pxa27x_clks));
+
 		if ((ret = pxa_init_dma(32)))
 			return ret;
 #ifdef CONFIG_PM

arch/arm/mach-pxa/pxa300.c

+/*
+ * linux/arch/arm/mach-pxa/pxa300.c
+ *
+ * Code specific to PXA300/PXA310
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ *
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ *             initial version
+ *
+ * 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 <asm/hardware.h>
+#include <asm/arch/mfp-pxa300.h>
+
+static struct pxa3xx_mfp_addr_map pxa300_mfp_addr_map[] __initdata = {
+
+	MFP_ADDR_X(GPIO0,   GPIO2,   0x00b4),
+	MFP_ADDR_X(GPIO3,   GPIO26,  0x027c),
+	MFP_ADDR_X(GPIO27,  GPIO127, 0x0400),
+	MFP_ADDR_X(GPIO0_2, GPIO6_2, 0x02ec),
+
+	MFP_ADDR(nBE0, 0x0204),
+	MFP_ADDR(nBE1, 0x0208),
+
+	MFP_ADDR(nLUA, 0x0244),
+	MFP_ADDR(nLLA, 0x0254),
+
+	MFP_ADDR(DF_CLE_nOE, 0x0240),
+	MFP_ADDR(DF_nRE_nOE, 0x0200),
+	MFP_ADDR(DF_ALE_nWE, 0x020C),
+	MFP_ADDR(DF_INT_RnB, 0x00C8),
+	MFP_ADDR(DF_nCS0, 0x0248),
+	MFP_ADDR(DF_nCS1, 0x0278),
+	MFP_ADDR(DF_nWE, 0x00CC),
+
+	MFP_ADDR(DF_ADDR0, 0x0210),
+	MFP_ADDR(DF_ADDR1, 0x0214),
+	MFP_ADDR(DF_ADDR2, 0x0218),
+	MFP_ADDR(DF_ADDR3, 0x021C),
+
+	MFP_ADDR(DF_IO0, 0x0220),
+	MFP_ADDR(DF_IO1, 0x0228),
+	MFP_ADDR(DF_IO2, 0x0230),
+	MFP_ADDR(DF_IO3, 0x0238),
+	MFP_ADDR(DF_IO4, 0x0258),
+	MFP_ADDR(DF_IO5, 0x0260),
+	MFP_ADDR(DF_IO6, 0x0268),
+	MFP_ADDR(DF_IO7, 0x0270),
+	MFP_ADDR(DF_IO8, 0x0224),
+	MFP_ADDR(DF_IO9, 0x022C),
+	MFP_ADDR(DF_IO10, 0x0234),
+	MFP_ADDR(DF_IO11, 0x023C),
+	MFP_ADDR(DF_IO12, 0x025C),
+	MFP_ADDR(DF_IO13, 0x0264),
+	MFP_ADDR(DF_IO14, 0x026C),
+	MFP_ADDR(DF_IO15, 0x0274),
+
+	MFP_ADDR_END,
+};
+
+/* override pxa300 MFP register addresses */
+static struct pxa3xx_mfp_addr_map pxa310_mfp_addr_map[] __initdata = {
+	MFP_ADDR_X(GPIO30,  GPIO98,   0x0418),
+	MFP_ADDR_X(GPIO7_2, GPIO12_2, 0x052C),
+
+	MFP_ADDR(ULPI_STP, 0x040C),
+	MFP_ADDR(ULPI_NXT, 0x0410),
+	MFP_ADDR(ULPI_DIR, 0x0414),
+
+	MFP_ADDR_END,
+};
+
+static int __init pxa300_init(void)
+{
+	if (cpu_is_pxa300() || cpu_is_pxa310()) {
+		pxa3xx_init_mfp();
+		pxa3xx_mfp_init_addr(pxa300_mfp_addr_map);
+	}
+
+	if (cpu_is_pxa310())
+		pxa3xx_mfp_init_addr(pxa310_mfp_addr_map);
+
+	return 0;
+}
+
+core_initcall(pxa300_init);

arch/arm/mach-pxa/pxa320.c

+/*
+ * linux/arch/arm/mach-pxa/pxa320.c
+ *
+ * Code specific to PXA320
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ *
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ *             initial version
+ *
+ * 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 <asm/hardware.h>
+#include <asm/arch/mfp.h>
+#include <asm/arch/mfp-pxa320.h>
+
+static struct pxa3xx_mfp_addr_map pxa320_mfp_addr_map[] __initdata = {
+
+	MFP_ADDR_X(GPIO0,  GPIO4,   0x0124),
+	MFP_ADDR_X(GPIO5,  GPIO26,  0x028C),
+	MFP_ADDR_X(GPIO27, GPIO62,  0x0400),
+	MFP_ADDR_X(GPIO63, GPIO73,  0x04B4),
+	MFP_ADDR_X(GPIO74, GPIO98,  0x04F0),
+	MFP_ADDR_X(GPIO99, GPIO127, 0x0600),
+	MFP_ADDR_X(GPIO0_2,  GPIO5_2,   0x0674),
+	MFP_ADDR_X(GPIO6_2,  GPIO13_2,  0x0494),
+	MFP_ADDR_X(GPIO14_2, GPIO17_2, 0x04E0),
+
+	MFP_ADDR(nXCVREN, 0x0138),
+	MFP_ADDR(DF_CLE_nOE, 0x0204),
+	MFP_ADDR(DF_nADV1_ALE, 0x0208),
+	MFP_ADDR(DF_SCLK_S, 0x020C),
+	MFP_ADDR(DF_SCLK_E, 0x0210),
+	MFP_ADDR(nBE0, 0x0214),
+	MFP_ADDR(nBE1, 0x0218),
+	MFP_ADDR(DF_nADV2_ALE, 0x021C),
+	MFP_ADDR(DF_INT_RnB, 0x0220),
+	MFP_ADDR(DF_nCS0, 0x0224),
+	MFP_ADDR(DF_nCS1, 0x0228),
+	MFP_ADDR(DF_nWE, 0x022C),
+	MFP_ADDR(DF_nRE_nOE, 0x0230),
+	MFP_ADDR(nLUA, 0x0234),
+	MFP_ADDR(nLLA, 0x0238),
+	MFP_ADDR(DF_ADDR0, 0x023C),
+	MFP_ADDR(DF_ADDR1, 0x0240),
+	MFP_ADDR(DF_ADDR2, 0x0244),
+	MFP_ADDR(DF_ADDR3, 0x0248),
+	MFP_ADDR(DF_IO0, 0x024C),
+	MFP_ADDR(DF_IO8, 0x0250),
+	MFP_ADDR(DF_IO1, 0x0254),
+	MFP_ADDR(DF_IO9, 0x0258),
+	MFP_ADDR(DF_IO2, 0x025C),
+	MFP_ADDR(DF_IO10, 0x0260),
+	MFP_ADDR(DF_IO3, 0x0264),
+	MFP_ADDR(DF_IO11, 0x0268),
+	MFP_ADDR(DF_IO4, 0x026C),
+	MFP_ADDR(DF_IO12, 0x0270),
+	MFP_ADDR(DF_IO5, 0x0274),
+	MFP_ADDR(DF_IO13, 0x0278),
+	MFP_ADDR(DF_IO6, 0x027C),
+	MFP_ADDR(DF_IO14, 0x0280),
+	MFP_ADDR(DF_IO7, 0x0284),
+	MFP_ADDR(DF_IO15, 0x0288),
+
+	MFP_ADDR_END,
+};
+
+static void __init pxa320_init_mfp(void)
+{
+	pxa3xx_init_mfp();
+	pxa3xx_mfp_init_addr(pxa320_mfp_addr_map);
+}
+
+static int __init pxa320_init(void)
+{
+	if (cpu_is_pxa320())
+		pxa320_init_mfp();
+
+	return 0;
+}
+
+core_initcall(pxa320_init);

arch/arm/mach-pxa/pxa3xx.c

+/*
+ * linux/arch/arm/mach-pxa/pxa3xx.c
+ *
+ * code specific to pxa3xx aka Monahans
+ *
+ * Copyright (C) 2006 Marvell International Ltd.
+ *
+ * 2007-09-02: eric miao <eric.y.miao@gmail.com>
+ *             initial version
+ *
+ * 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 <asm/hardware.h>
+#include <asm/arch/pxa3xx-regs.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/pm.h>
+#include <asm/arch/dma.h>
+#include <asm/arch/ssp.h>
+
+#include "generic.h"
+#include "devices.h"
+#include "clock.h"
+
+/* Crystal clock: 13MHz */
+#define BASE_CLK	13000000
+
+/* Ring Oscillator Clock: 60MHz */
+#define RO_CLK		60000000
+
+#define ACCR_D0CS	(1 << 26)
+
+/* crystal frequency to static memory controller multiplier (SMCFS) */
+static unsigned char smcfs_mult[8] = { 6, 0, 8, 0, 0, 16, };
+
+/* crystal frequency to HSIO bus frequency multiplier (HSS) */
+static unsigned char hss_mult[4] = { 8, 12, 16, 0 };
+
+/*
+ * Get the clock frequency as reflected by CCSR and the turbo flag.
+ * We assume these values have been applied via a fcs.
+ * If info is not 0 we also display the current settings.
+ */
+unsigned int pxa3xx_get_clk_frequency_khz(int info)
+{
+	unsigned long acsr, xclkcfg;
+	unsigned int t, xl, xn, hss, ro, XL, XN, CLK, HSS;
+
+	/* Read XCLKCFG register turbo bit */
+	__asm__ __volatile__("mrc\tp14, 0, %0, c6, c0, 0" : "=r"(xclkcfg));
+	t = xclkcfg & 0x1;
+
+	acsr = ACSR;
+
+	xl  = acsr & 0x1f;
+	xn  = (acsr >> 8) & 0x7;
+	hss = (acsr >> 14) & 0x3;
+
+	XL = xl * BASE_CLK;
+	XN = xn * XL;
+
+	ro = acsr & ACCR_D0CS;
+
+	CLK = (ro) ? RO_CLK : ((t) ? XN : XL);
+	HSS = (ro) ? RO_CLK : hss_mult[hss] * BASE_CLK;
+
+	if (info) {
+		pr_info("RO Mode clock: %d.%02dMHz (%sactive)\n",
+			RO_CLK / 1000000, (RO_CLK % 1000000) / 10000,
+			(ro) ? "" : "in");
+		pr_info("Run Mode clock: %d.%02dMHz (*%d)\n",
+			XL / 1000000, (XL % 1000000) / 10000, xl);
+		pr_info("Turbo Mode clock: %d.%02dMHz (*%d, %sactive)\n",
+			XN / 1000000, (XN % 1000000) / 10000, xn,
+			(t) ? "" : "in");
+		pr_info("HSIO bus clock: %d.%02dMHz\n",
+			HSS / 1000000, (HSS % 1000000) / 10000);
+	}
+
+	return CLK;
+}
+
+/*
+ * Return the current static memory controller clock frequency
+ * in units of 10kHz
+ */
+unsigned int pxa3xx_get_memclk_frequency_10khz(void)
+{
+	unsigned long acsr;
+	unsigned int smcfs, clk = 0;
+
+	acsr = ACSR;
+
+	smcfs = (acsr >> 23) & 0x7;
+	clk = (acsr & ACCR_D0CS) ? RO_CLK : smcfs_mult[smcfs] * BASE_CLK;
+
+	return (clk / 10000);
+}
+
+/*
+ * Return the current HSIO bus clock frequency
+ */
+static unsigned long clk_pxa3xx_hsio_getrate(struct clk *clk)
+{
+	unsigned long acsr;
+	unsigned int hss, hsio_clk;
+
+	acsr = ACSR;
+
+	hss = (acsr >> 14) & 0x3;
+	hsio_clk = (acsr & ACCR_D0CS) ? RO_CLK : hss_mult[hss] * BASE_CLK;
+
+	return hsio_clk;
+}
+
+static void clk_pxa3xx_cken_enable(struct clk *clk)
+{
+	unsigned long mask = 1ul << (clk->cken & 0x1f);
+
+	local_irq_disable();
+
+	if (clk->cken < 32)
+		CKENA |= mask;
+	else
+		CKENB |= mask;
+
+	local_irq_enable();
+}
+
+static void clk_pxa3xx_cken_disable(struct clk *clk)
+{
+	unsigned long mask = 1ul << (clk->cken & 0x1f);
+
+	local_irq_disable();
+
+	if (clk->cken < 32)
+		CKENA &= ~mask;
+	else
+		CKENB &= ~mask;
+
+	local_irq_enable();
+}
+
+static const struct clkops clk_pxa3xx_hsio_ops = {
+	.enable		= clk_pxa3xx_cken_enable,
+	.disable	= clk_pxa3xx_cken_disable,
+	.getrate	= clk_pxa3xx_hsio_getrate,
+};
+
+static struct clk pxa3xx_clks[] = {
+	INIT_CK("LCDCLK", LCD,    &clk_pxa3xx_hsio_ops, &pxa_device_fb.dev),
+	INIT_CK("CAMCLK", CAMERA, &clk_pxa3xx_hsio_ops, NULL),
+
+	INIT_CKEN("UARTCLK", FFUART, 14857000, 1, &pxa_device_ffuart.dev),
+	INIT_CKEN("UARTCLK", BTUART, 14857000, 1, &pxa_device_btuart.dev),
+	INIT_CKEN("UARTCLK", STUART, 14857000, 1, NULL),
+
+	INIT_CKEN("I2CCLK",  I2C,  32842000, 0, &pxa_device_i2c.dev),
+	INIT_CKEN("UDCCLK",  UDC,  48000000, 5, &pxa_device_udc.dev),
+};
+
+void __init pxa3xx_init_irq(void)
+{
+	/* enable CP6 access */
+	u32 value;
+	__asm__ __volatile__("mrc p15, 0, %0, c15, c1, 0\n": "=r"(value));
+	value |= (1 << 6);
+	__asm__ __volatile__("mcr p15, 0, %0, c15, c1, 0\n": :"r"(value));
+
+	pxa_init_irq_low();
+	pxa_init_irq_high();
+	pxa_init_irq_gpio(128);
+}
+
+/*
+ * device registration specific to PXA3xx.
+ */
+
+static struct platform_device *devices[] __initdata = {
+	&pxa_device_mci,
+	&pxa_device_udc,
+	&pxa_device_fb,
+	&pxa_device_ffuart,
+	&pxa_device_btuart,
+	&pxa_device_stuart,
+	&pxa_device_i2c,
+	&pxa_device_i2s,
+	&pxa_device_ficp,
+	&pxa_device_rtc,
+};
+
+static int __init pxa3xx_init(void)
+{
+	int ret = 0;
+
+	if (cpu_is_pxa3xx()) {
+		clks_register(pxa3xx_clks, ARRAY_SIZE(pxa3xx_clks));
+
+		if ((ret = pxa_init_dma(32)))
+			return ret;
+
+		return platform_add_devices(devices, ARRAY_SIZE(devices));
+	}
+	return 0;
+}
+
+subsys_initcall(pxa3xx_init);

arch/arm/mach-pxa/time.c

@@ -16,10 +16,48 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/clockchips.h>
+#include <linux/sched.h>
 
+#include <asm/div64.h>
+#include <asm/cnt32_to_63.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 #include <asm/arch/pxa-regs.h>
+#include <asm/mach-types.h>
+
+/*
+ * This is PXA's sched_clock implementation. This has a resolution
+ * of at least 308 ns and a maximum value of 208 days.
+ *
+ * The return value is guaranteed to be monotonic in that range as
+ * long as there is always less than 582 seconds between successive
+ * calls to sched_clock() which should always be the case in practice.
+ */
+
+#define OSCR2NS_SCALE_FACTOR 10
+
+static unsigned long oscr2ns_scale;
+
+static void __init set_oscr2ns_scale(unsigned long oscr_rate)
+{
+	unsigned long long v = 1000000000ULL << OSCR2NS_SCALE_FACTOR;
+	do_div(v, oscr_rate);
+	oscr2ns_scale = v;
+	/*
+	 * We want an even value to automatically clear the top bit
+	 * returned by cnt32_to_63() without an additional run time
+	 * instruction. So if the LSB is 1 then round it up.
+	 */
+	if (oscr2ns_scale & 1)
+		oscr2ns_scale++;
+}
+
+unsigned long long sched_clock(void)
+{
+	unsigned long long v = cnt32_to_63(OSCR);
+	return (v * oscr2ns_scale) >> OSCR2NS_SCALE_FACTOR;
+}
+
 
 static irqreturn_t
 pxa_ost0_interrupt(int irq, void *dev_id)
@@ -149,18 +187,29 @@ static struct irqaction pxa_ost0_irq = {
 
 static void __init pxa_timer_init(void)
 {
+	unsigned long clock_tick_rate;
+
 	OIER = 0;
 	OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
 
+	if (cpu_is_pxa21x() || cpu_is_pxa25x())
+		clock_tick_rate = 3686400;
+	else if (machine_is_mainstone())
+		clock_tick_rate = 3249600;
+	else
+		clock_tick_rate = 3250000;
+
+	set_oscr2ns_scale(clock_tick_rate);
+
 	ckevt_pxa_osmr0.mult =
-		div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, ckevt_pxa_osmr0.shift);
+		div_sc(clock_tick_rate, NSEC_PER_SEC, ckevt_pxa_osmr0.shift);
 	ckevt_pxa_osmr0.max_delta_ns =
 		clockevent_delta2ns(0x7fffffff, &ckevt_pxa_osmr0);
 	ckevt_pxa_osmr0.min_delta_ns =
 		clockevent_delta2ns(MIN_OSCR_DELTA, &ckevt_pxa_osmr0) + 1;
 
 	cksrc_pxa_oscr0.mult =
-		clocksource_hz2mult(CLOCK_TICK_RATE, cksrc_pxa_oscr0.shift);
+		clocksource_hz2mult(clock_tick_rate, cksrc_pxa_oscr0.shift);
 
 	setup_irq(IRQ_OST0, &pxa_ost0_irq);
 

arch/arm/mach-pxa/zylonite.c

+/*
+ * linux/arch/arm/mach-pxa/zylonite.c
+ *
+ * Support for the PXA3xx Development Platform (aka Zylonite)
+ *
+ * Copyright (C) 2006 Marvell International Ltd.
+ *
+ * 2007-09-04: eric miao <eric.y.miao@gmail.com>
+ *             rewrite to align with latest kernel
+ *
+ * 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/interrupt.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/zylonite.h>
+
+#include "generic.h"
+
+int gpio_backlight;
+int gpio_eth_irq;
+
+int lcd_id;
+int lcd_orientation;
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start	= ZYLONITE_ETH_PHYS + 0x300,
+		.end	= ZYLONITE_ETH_PHYS + 0xfffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= -1,	/* for run-time assignment */
+		.end	= -1,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smc91x",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+};
+
+#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES)
+static void zylonite_backlight_power(int on)
+{
+	gpio_set_value(gpio_backlight, on);
+}
+
+static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
+	.pixclock		= 110000,
+	.xres			= 240,
+	.yres			= 320,
+	.bpp			= 16,
+	.hsync_len		= 4,
+	.left_margin		= 6,
+	.right_margin		= 4,
+	.vsync_len		= 2,
+	.upper_margin		= 2,
+	.lower_margin		= 3,
+	.sync			= FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
+	.pixclock		= 50000,
+	.xres			= 640,
+	.yres			= 480,
+	.bpp			= 16,
+	.hsync_len		= 1,
+	.left_margin		= 0x9f,
+	.right_margin		= 1,
+	.vsync_len		= 44,
+	.upper_margin		= 0,
+	.lower_margin		= 0,
+	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
+	.num_modes      	= 1,
+	.lccr0			= LCCR0_Act,
+	.lccr3			= LCCR3_PCP,
+	.pxafb_backlight_power	= zylonite_backlight_power,
+};
+
+static struct pxafb_mode_info sharp_ls037_modes[] = {
+	[0] = {
+		.pixclock	= 158000,
+		.xres		= 240,
+		.yres		= 320,
+		.bpp		= 16,
+		.hsync_len	= 4,
+		.left_margin	= 39,
+		.right_margin	= 39,
+		.vsync_len	= 1,
+		.upper_margin	= 2,
+		.lower_margin	= 3,
+		.sync		= 0,
+	},
+	[1] = {
+		.pixclock	= 39700,
+		.xres		= 480,
+		.yres		= 640,
+		.bpp		= 16,
+		.hsync_len	= 8,
+		.left_margin	= 81,
+		.right_margin	= 81,
+		.vsync_len	= 1,
+		.upper_margin	= 2,
+		.lower_margin	= 7,
+		.sync		= 0,
+	},
+};
+
+static struct pxafb_mach_info zylonite_sharp_lcd_info = {
+	.modes			= sharp_ls037_modes,
+	.num_modes		= 2,
+	.lccr0			= LCCR0_Act,
+	.lccr3			= LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
+	.pxafb_backlight_power	= zylonite_backlight_power,
+};
+
+static void __init zylonite_init_lcd(void)
+{
+	/* backlight GPIO: output, default on */
+	gpio_direction_output(gpio_backlight, 1);
+
+	if (lcd_id & 0x20) {
+		set_pxa_fb_info(&zylonite_sharp_lcd_info);
+		return;
+	}
+
+	/* legacy LCD panels, it would be handy here if LCD panel type can
+	 * be decided at run-time
+	 */
+	if (1)
+		zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
+	else
+		zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
+
+	set_pxa_fb_info(&zylonite_toshiba_lcd_info);
+}
+#else
+static inline void zylonite_init_lcd(void) {}
+#endif
+
+static void __init zylonite_init(void)
+{
+	/* board-processor specific initialization */
+	zylonite_pxa300_init();
+	zylonite_pxa320_init();
+
+	/*
+	 * Note: We depend that the bootloader set
+	 * the correct value to MSC register for SMC91x.
+	 */
+	smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
+	smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
+	platform_device_register(&smc91x_device);
+
+	zylonite_init_lcd();
+}
+
+MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
+	.phys_io	= 0x40000000,
+	.boot_params	= 0xa0000100,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= zylonite_init,
+MACHINE_END

arch/arm/mach-pxa/zylonite_pxa300.c

+/*
+ * linux/arch/arm/mach-pxa/zylonite_pxa300.c
+ *
+ * PXA300/PXA310 specific support code for the
+ * PXA3xx Development Platform (aka Zylonite)
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ *             initial version
+ *
+ * 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 <asm/gpio.h>
+#include <asm/arch/mfp-pxa300.h>
+#include <asm/arch/zylonite.h>
+
+#define ARRAY_AND_SIZE(x)	(x), ARRAY_SIZE(x)
+
+/* PXA300/PXA310 common configurations */
+static mfp_cfg_t common_mfp_cfg[] __initdata = {
+	/* LCD */
+	GPIO54_LCD_LDD_0,
+	GPIO55_LCD_LDD_1,
+	GPIO56_LCD_LDD_2,
+	GPIO57_LCD_LDD_3,
+	GPIO58_LCD_LDD_4,
+	GPIO59_LCD_LDD_5,
+	GPIO60_LCD_LDD_6,
+	GPIO61_LCD_LDD_7,
+	GPIO62_LCD_LDD_8,
+	GPIO63_LCD_LDD_9,
+	GPIO64_LCD_LDD_10,
+	GPIO65_LCD_LDD_11,
+	GPIO66_LCD_LDD_12,
+	GPIO67_LCD_LDD_13,
+	GPIO68_LCD_LDD_14,
+	GPIO69_LCD_LDD_15,
+	GPIO70_LCD_LDD_16,
+	GPIO71_LCD_LDD_17,
+	GPIO72_LCD_FCLK,
+	GPIO73_LCD_LCLK,
+	GPIO74_LCD_PCLK,
+	GPIO75_LCD_BIAS,
+	GPIO76_LCD_VSYNC,
+	GPIO127_LCD_CS_N,
+
+	/* BTUART */
+	GPIO111_UART2_RTS,
+	GPIO112_UART2_RXD,
+	GPIO113_UART2_TXD,
+	GPIO114_UART2_CTS,
+
+	/* STUART */
+	GPIO109_UART3_TXD,
+	GPIO110_UART3_RXD,
+
+	/* AC97 */
+	GPIO23_AC97_nACRESET,
+	GPIO24_AC97_SYSCLK,
+	GPIO29_AC97_BITCLK,
+	GPIO25_AC97_SDATA_IN_0,
+	GPIO27_AC97_SDATA_OUT,
+	GPIO28_AC97_SYNC,
+
+	/* Keypad */
+	GPIO107_KP_DKIN_0,
+	GPIO108_KP_DKIN_1,
+	GPIO115_KP_MKIN_0,
+	GPIO116_KP_MKIN_1,
+	GPIO117_KP_MKIN_2,
+	GPIO118_KP_MKIN_3,
+	GPIO119_KP_MKIN_4,
+	GPIO120_KP_MKIN_5,
+	GPIO2_2_KP_MKIN_6,
+	GPIO3_2_KP_MKIN_7,
+	GPIO121_KP_MKOUT_0,
+	GPIO122_KP_MKOUT_1,
+	GPIO123_KP_MKOUT_2,
+	GPIO124_KP_MKOUT_3,
+	GPIO125_KP_MKOUT_4,
+	GPIO4_2_KP_MKOUT_5,
+	GPIO5_2_KP_MKOUT_6,
+	GPIO6_2_KP_MKOUT_7,
+};
+
+static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {
+	/* FFUART */
+	GPIO30_UART1_RXD,
+	GPIO31_UART1_TXD,
+	GPIO32_UART1_CTS,
+	GPIO37_UART1_RTS,
+	GPIO33_UART1_DCD,
+	GPIO34_UART1_DSR,
+	GPIO35_UART1_RI,
+	GPIO36_UART1_DTR,
+
+	/* Ethernet */
+	GPIO2_nCS3,
+	GPIO99_GPIO,
+};
+
+static mfp_cfg_t pxa310_mfp_cfg[] __initdata = {
+	/* FFUART */
+	GPIO99_UART1_RXD,
+	GPIO100_UART1_TXD,
+	GPIO101_UART1_CTS,
+	GPIO106_UART1_RTS,
+
+	/* Ethernet */
+	GPIO2_nCS3,
+	GPIO102_GPIO,
+};
+
+#define NUM_LCD_DETECT_PINS	7
+
+static int lcd_detect_pins[] __initdata = {
+	MFP_PIN_GPIO71,	/* LCD_LDD_17 - ORIENT */
+	MFP_PIN_GPIO70, /* LCD_LDD_16 - LCDID[5] */
+	MFP_PIN_GPIO75, /* LCD_BIAS   - LCDID[4] */
+	MFP_PIN_GPIO73, /* LCD_LCLK   - LCDID[3] */
+	MFP_PIN_GPIO72, /* LCD_FCLK   - LCDID[2] */
+	MFP_PIN_GPIO127,/* LCD_CS_N   - LCDID[1] */
+	MFP_PIN_GPIO76, /* LCD_VSYNC  - LCDID[0] */
+};
+
+static void __init zylonite_detect_lcd_panel(void)
+{
+	unsigned long mfpr_save[NUM_LCD_DETECT_PINS];
+	int i, gpio, id = 0;
+
+	/* save the original MFP settings of these pins and configure
+	 * them as GPIO Input, DS01X, Pull Neither, Edge Clear
+	 */
+	for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
+		mfpr_save[i] = pxa3xx_mfp_read(lcd_detect_pins[i]);
+		pxa3xx_mfp_write(lcd_detect_pins[i], 0x8440);
+	}
+
+	for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
+		id = id << 1;
+		gpio = mfp_to_gpio(lcd_detect_pins[i]);
+		gpio_direction_input(gpio);
+
+		if (gpio_get_value(gpio))
+			id = id | 0x1;
+	}
+
+	/* lcd id, flush out bit 1 */
+	lcd_id = id & 0x3d;
+
+	/* lcd orientation, portrait or landscape */
+	lcd_orientation = (id >> 6) & 0x1;
+
+	/* restore the original MFP settings */
+	for (i = 0; i < NUM_LCD_DETECT_PINS; i++)
+		pxa3xx_mfp_write(lcd_detect_pins[i], mfpr_save[i]);
+}
+
+void __init zylonite_pxa300_init(void)
+{
+	if (cpu_is_pxa300() || cpu_is_pxa310()) {
+		/* initialize MFP */
+		pxa3xx_mfp_config(ARRAY_AND_SIZE(common_mfp_cfg));
+
+		/* detect LCD panel */
+		zylonite_detect_lcd_panel();
+
+		/* GPIO pin assignment */
+		gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO20);
+	}
+
+	if (cpu_is_pxa300()) {
+		pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa300_mfp_cfg));
+		gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO99);
+	}
+
+	if (cpu_is_pxa310()) {
+		pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa310_mfp_cfg));
+		gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO102);
+	}
+}

arch/arm/mm/Kconfig

@@ -322,7 +322,7 @@ config CPU_SA1100
 # XScale
 config CPU_XSCALE
 	bool
-	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_PXA || ARCH_IXP4XX || ARCH_IXP2000
+	depends on ARCH_IOP32X || ARCH_IOP33X || PXA25x || PXA27x || ARCH_IXP4XX || ARCH_IXP2000
 	default y
 	select CPU_32v5
 	select CPU_ABRT_EV5T
@@ -333,7 +333,7 @@ config CPU_XSCALE
 # XScale Core Version 3
 config CPU_XSC3
 	bool
-	depends on ARCH_IXP23XX || ARCH_IOP13XX
+	depends on ARCH_IXP23XX || ARCH_IOP13XX || PXA3xx
 	default y
 	select CPU_32v5
 	select CPU_ABRT_EV5T

drivers/leds/Kconfig

@@ -108,6 +108,12 @@ config LEDS_GPIO
 	  outputs. To be useful the particular board must have LEDs
 	  and they must be connected to the GPIO lines.
 
+config LEDS_CM_X270
+	tristate "LED Support for the CM-X270 LEDs"
+	depends on LEDS_CLASS && MACH_ARMCORE
+	help
+	  This option enables support for the CM-X270 LEDs.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS

drivers/leds/Makefile

@@ -18,6 +18,7 @@ obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
 obj-$(CONFIG_LEDS_COBALT_QUBE)		+= leds-cobalt-qube.o
 obj-$(CONFIG_LEDS_COBALT_RAQ)		+= leds-cobalt-raq.o
 obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
+obj-$(CONFIG_LEDS_CM_X270)              += leds-cm-x270.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o

drivers/mmc/host/pxamci.h

@@ -88,17 +88,3 @@
 #define MMC_RXFIFO	0x0040	/* 8 bit */
 
 #define MMC_TXFIFO	0x0044	/* 8 bit */
-
-/*
- * The base MMC clock rate
- */
-#ifdef CONFIG_PXA27x
-#define CLOCKRATE_MIN	304688
-#define CLOCKRATE_MAX	19500000
-#else
-#define CLOCKRATE_MIN	312500
-#define CLOCKRATE_MAX	20000000
-#endif
-
-#define CLOCKRATE	CLOCKRATE_MAX
-

drivers/pcmcia/Makefile

@@ -69,4 +69,5 @@ sa1100_cs-$(CONFIG_SA1100_SIMPAD)		+= sa1100_simpad.o
 pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK)		+= pxa2xx_lubbock.o sa1111_generic.o
 pxa2xx_cs-$(CONFIG_MACH_MAINSTONE)		+= pxa2xx_mainstone.o
 pxa2xx_cs-$(CONFIG_PXA_SHARPSL)			+= pxa2xx_sharpsl.o
+pxa2xx_cs-$(CONFIG_MACH_ARMCORE)		+= pxa2xx_cm_x270.o
 

drivers/usb/gadget/pxa2xx_udc.h

@@ -125,6 +125,7 @@ struct pxa2xx_udc {
 	struct timer_list			timer;
 
 	struct device				*dev;
+	struct clk				*clk;
 	struct pxa2xx_udc_mach_info		*mach;
 	u64					dma_mask;
 	struct pxa2xx_ep			ep [PXA_UDC_NUM_ENDPOINTS];

drivers/video/pxafb.h

@@ -40,6 +40,7 @@ struct pxafb_dma_descriptor {
 struct pxafb_info {
 	struct fb_info		fb;
 	struct device		*dev;
+	struct clk		*clk;
 
 	/*
 	 * These are the addresses we mapped

include/asm-arm/arch-pxa/pxa-regs.h

@@ -1177,7 +1177,7 @@
 
 #define GPIO_bit(x)	(1 << ((x) & 0x1f))
 
-#ifdef CONFIG_PXA27x
+#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
 
 /* Interrupt Controller */