/* *  linux/arch/arm/mach-pxa/generic.c * *  Author:	Nicolas Pitre *  Created:	Jun 15, 2001 *  Copyright:	MontaVista Software Inc. *  * Code common to all PXA machines. * * 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. * * Since this file should be linked before any other machine specific file, * the __initcall() here will be executed first.  This serves as default * initialization stuff for PXA machines which can be overriden later if * need be. */#include <linux/config.h>#include <linux/module.h>#include <linux/kernel.h>#include <linux/init.h>#include <linux/delay.h>#include <linux/pm.h>#include <asm/hardware.h>#include <asm/system.h>#include <asm/pgtable.h>#include <asm/mach/map.h>#include "generic.h"/* * Return the current lclk requency in units of 10kHz */unsigned int get_lclk_frequency_10khz(void){	unsigned int l;	l = CCCR & 0x1f;	switch(l)	{		case 1:			return 9953;		case 2:			return 11796;		case 3:			return 13271;		case 4:			return 14746;		case 5:			return 16589;		case 0xf:			return 3320;		default:			return 0;	}}	EXPORT_SYMBOL(get_lclk_frequency_10khz);/* * Handy function to set GPIO alternate functions */void set_GPIO_mode(int gpio_mode){	long flags;	int gpio = gpio_mode & GPIO_MD_MASK_NR;	int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;	int gafr;	local_irq_save(flags);	if (gpio_mode & GPIO_MD_MASK_DIR)		GPDR(gpio) |= GPIO_bit(gpio);	else		GPDR(gpio) &= ~GPIO_bit(gpio);	gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));	GAFR(gpio) = gafr |  (fn  << (((gpio) & 0xf)*2));	local_irq_restore(flags);}EXPORT_SYMBOL(set_GPIO_mode);/*  * Note that 0xfffe0000-0xffffffff is reserved for the vector table and * cache flush area. */static struct map_desc standard_io_desc[] __initdata = { /* virtual     physical    length      domain     r  w  c  b */  { 0xf6000000, 0x20000000, 0x01000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA0 IO */  { 0xf7000000, 0x30000000, 0x01000000, DOMAIN_IO, 0, 1, 0, 0 }, /* PCMCIA1 IO */  { 0xf8000000, 0x40000000, 0x01400000, DOMAIN_IO, 0, 1, 0, 0 }, /* Devs */  { 0xfa000000, 0x44000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* LCD */  { 0xfc000000, 0x48000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* Mem Ctl */  { 0xff000000, 0x00000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* UNCACHED_PHYS_0 */  LAST_DESC};void __init pxa_map_io(void){	iotable_init(standard_io_desc);}