[PATCH] USB: OHCI support for PXA27x

here's a patch from Nico to add PXA27x OHCI support.
Please merge; it applies on top of your current BK with
some offsets, but I can't build that tree for ARM because
of some #include lossage.

OHCI driver for the Intel PXA27x processor
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

arch/arm/mach-pxa/pxa27x.c

@@ -16,8 +16,10 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/pm.h>
+#include <linux/device.h>
 
 #include <asm/hardware.h>
+#include <asm/irq.h>
 
 #include "generic.h"
 
@@ -116,3 +118,45 @@ unsigned int get_lcdclk_frequency_10khz(void)
 EXPORT_SYMBOL(get_clk_frequency_khz);
 EXPORT_SYMBOL(get_memclk_frequency_10khz);
 EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
+
+
+/*
+ * device registration specific to PXA27x.
+ */
+
+static u64 pxa27x_dmamask = 0xffffffffUL;
+
+static struct resource pxa27x_ohci_resources[] = {
+	[0] = {
+		.start  = 0x4C000000,
+		.end    = 0x4C00ff6f,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = IRQ_USBH1,
+		.end    = IRQ_USBH1,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device ohci_device = {
+	.name		= "pxa27x-ohci",
+	.id		= -1,
+	.dev		= {
+		.dma_mask = &pxa27x_dmamask,
+		.coherent_dma_mask = 0xffffffff,
+	},
+	.num_resources  = ARRAY_SIZE(pxa27x_ohci_resources),
+	.resource       = pxa27x_ohci_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+	&ohci_device,
+};
+
+static int __init pxa27x_init(void)
+{
+	return platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+subsys_initcall(pxa27x_init);

drivers/usb/Kconfig

@@ -7,7 +7,7 @@ menu "USB support"
 # ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface.
 config USB
 	tristate "Support for Host-side USB"
-	depends on PCI || SA1111 || ARCH_OMAP1510 || ARCH_OMAP1610 || ARCH_LH7A404
+	depends on PCI || SA1111 || ARCH_OMAP1510 || ARCH_OMAP1610 || ARCH_LH7A404 || PXA27x
 	---help---
 	  Universal Serial Bus (USB) is a specification for a serial bus
 	  subsystem which offers higher speeds and more features than the

drivers/usb/host/ohci-hcd.c

@@ -879,10 +879,15 @@ MODULE_LICENSE ("GPL");
 #include "ohci-lh7a404.c"
 #endif
 
+#ifdef CONFIG_PXA27x
+#include "ohci-pxa27x.c"
+#endif
+
 #if !(defined(CONFIG_PCI) \
       || defined(CONFIG_SA1111) \
       || defined(CONFIG_ARCH_OMAP) \
       || defined (CONFIG_ARCH_LH7A404) \
+      || defined (CONFIG_PXA27x) \
 	)
 #error "missing bus glue for ohci-hcd"
 #endif