/* *  linux/drivers/usb/usb-ohci-sa1111.c * *  The outline of this code was taken from Brad Parkers <brad@heeltoe.com> *  original OHCI driver modifications, and reworked into a cleaner form *  by Russell King <rmk@arm.linux.org.uk>. */#include <linux/module.h>#include <linux/init.h>#include <linux/sched.h>#include <linux/ioport.h>#include <linux/interrupt.h>#include <linux/slab.h>#include <linux/usb.h>#include <asm/hardware.h>#include <asm/irq.h>#include <asm/io.h>#include <asm/arch/assabet.h>#include <asm/arch/badge4.h>#include <asm/hardware/sa1111.h>#include "usb-ohci.h"int __devinithc_add_ohci(struct pci_dev *dev, int irq, void *membase, unsigned long flags,	    ohci_t **ohci, const char *name, const char *slot_name);extern void hc_remove_ohci(ohci_t *ohci);static ohci_t *sa1111_ohci;static void __init sa1111_ohci_configure(void){	unsigned int usb_rst = 0;	if (machine_is_xp860() ||	    machine_has_neponset() ||	    machine_is_pfs168() ||	    machine_is_badge4())		usb_rst = USB_RESET_PWRSENSELOW | USB_RESET_PWRCTRLLOW;	/*	 * Configure the power sense and control lines.  Place the USB	 * host controller in reset.	 */	USB_RESET = usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET;	/*	 * Now, carefully enable the USB clock, and take	 * the USB host controller out of reset.	 */	SKPCR |= SKPCR_UCLKEN;	udelay(11);	USB_RESET = usb_rst;}static int __init sa1111_ohci_init(void){	int ret;	/*	 * Request memory resources.	 *///	if (!request_mem_region(_USB_OHCI_OP_BASE, _USB_EXTENT, "usb-ohci"))//		return -EBUSY;	sa1111_ohci_configure();	/*	 * Initialise the generic OHCI driver.	 */	ret = hc_add_ohci((struct pci_dev *)1, NIRQHCIM,			  (void *)&USB_OHCI_OP_BASE, 0, &sa1111_ohci,			  "usb-ohci", "sa1111");//	if (ret)//		release_mem_region(_USB_OHCI_OP_BASE, _USB_EXTENT);#ifdef CONFIG_SA1100_BADGE4	if (machine_is_badge4() && (!ret)) {		/* found the controller, so now power the bus */		badge4_set_5V(BADGE4_5V_USB, 1);	}#endif	return ret;}static void __exit sa1111_ohci_exit(void){	hc_remove_ohci(sa1111_ohci);	/*	 * Put the USB host controller into reset.	 */	USB_RESET |= USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET;	/*	 * Stop the USB clock.	 */	SKPCR &= ~SKPCR_UCLKEN;	/*	 * Release memory resources.	 *///	release_mem_region(_USB_OHCI_OP_BASE, _USB_EXTENT);#ifdef CONFIG_SA1100_BADGE4	if (machine_is_badge4()) {		badge4_set_5V(BADGE4_5V_USB, 0);	}#endif}module_init(sa1111_ohci_init);module_exit(sa1111_ohci_exit);