/* *  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 overridden later if * need be. */#include <linux/module.h>#include <linux/kernel.h>#include <linux/init.h>#include <linux/delay.h>#include <linux/platform_device.h>#include <linux/ioport.h>#include <linux/pm.h>#include <linux/string.h>#include <asm/hardware.h>#include <asm/irq.h>#include <asm/system.h>#include <asm/pgtable.h>#include <asm/mach/map.h>#include <asm/arch/pxa-regs.h>#include <asm/arch/udc.h>#include <asm/arch/pxafb.h>#include <asm/arch/mmc.h>#include <asm/arch/irda.h>#include <asm/arch/i2c.h>#include "generic.h"/* * Handy function to set GPIO alternate functions */void pxa_gpio_mode(int gpio_mode){	unsigned 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_DFLT_LOW)		GPCR(gpio) = GPIO_bit(gpio);	else if (gpio_mode & GPIO_DFLT_HIGH)		GPSR(gpio) = GPIO_bit(gpio);	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(pxa_gpio_mode);/* * Routine to safely enable or disable a clock in the CKEN */void pxa_set_cken(int clock, int enable){	unsigned long flags;	local_irq_save(flags);	if (enable)		CKEN |= clock;	else		CKEN &= ~clock;	local_irq_restore(flags);}EXPORT_SYMBOL(pxa_set_cken);/* * Intel PXA2xx internal register mapping. * * Note 1: not all PXA2xx variants implement all those addresses. * * Note 2: virtual 0xfffe0000-0xffffffff is reserved for the vector table *         and cache flush area. */static struct map_desc standard_io_desc[] __initdata = {  	{	/* Devs */		.virtual	=  0xf2000000,		.pfn		= __phys_to_pfn(0x40000000),		.length		= 0x02000000,		.type		= MT_DEVICE	}, {	/* LCD */		.virtual	=  0xf4000000,		.pfn		= __phys_to_pfn(0x44000000),		.length		= 0x00100000,		.type		= MT_DEVICE	}, {	/* Mem Ctl */		.virtual	=  0xf6000000,		.pfn		= __phys_to_pfn(0x48000000),		.length		= 0x00100000,		.type		= MT_DEVICE	}, {	/* USB host */		.virtual	=  0xf8000000,		.pfn		= __phys_to_pfn(0x4c000000),		.length		= 0x00100000,		.type		= MT_DEVICE	}, {	/* Camera */		.virtual	=  0xfa000000,		.pfn		= __phys_to_pfn(0x50000000),		.length		= 0x00100000,		.type		= MT_DEVICE	}, {	/* IMem ctl */		.virtual	=  0xfe000000,		.pfn		= __phys_to_pfn(0x58000000),		.length		= 0x00100000,		.type		= MT_DEVICE	}, {	/* UNCACHED_PHYS_0 */		.virtual	= 0xff000000,		.pfn		= __phys_to_pfn(0x00000000),		.length		= 0x00100000,		.type		= MT_DEVICE	}};void __init pxa_map_io(void){	iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));	get_clk_frequency_khz(1);}static struct resource pxamci_resources[] = {	[0] = {		.start	= 0x41100000,		.end	= 0x41100fff,		.flags	= IORESOURCE_MEM,	},	[1] = {		.start	= IRQ_MMC,		.end	= IRQ_MMC,		.flags	= IORESOURCE_IRQ,	},};static u64 pxamci_dmamask = 0xffffffffUL;static struct platform_device pxamci_device = {	.name		= "pxa2xx-mci",	.id		= -1,	.dev		= {		.dma_mask = &pxamci_dmamask,		.coherent_dma_mask = 0xffffffff,	},	.num_resources	= ARRAY_SIZE(pxamci_resources),	.resource	= pxamci_resources,};void __init pxa_set_mci_info(struct pxamci_platform_data *info){	pxamci_device.dev.platform_data = info;}static struct pxa2xx_udc_mach_info pxa_udc_info;void __init pxa_set_udc_info(struct pxa2xx_udc_mach_info *info){	memcpy(&pxa_udc_info, info, sizeof *info);}static struct resource pxa2xx_udc_resources[] = {	[0] = {		.start	= 0x40600000,		.end	= 0x4060ffff,		.flags	= IORESOURCE_MEM,	},	[1] = {		.start	= IRQ_USB,		.end	= IRQ_USB,		.flags	= IORESOURCE_IRQ,	},};static u64 udc_dma_mask = ~(u32)0;static struct platform_device udc_device = {	.name		= "pxa2xx-udc",	.id		= -1,	.resource	= pxa2xx_udc_resources,	.num_resources	= ARRAY_SIZE(pxa2xx_udc_resources),	.dev		=  {		.platform_data	= &pxa_udc_info,		.dma_mask	= &udc_dma_mask,	}};static struct pxafb_mach_info pxa_fb_info;void __init set_pxa_fb_info(struct pxafb_mach_info *hard_pxa_fb_info){	memcpy(&pxa_fb_info,hard_pxa_fb_info,sizeof(struct pxafb_mach_info));}static struct resource pxafb_resources[] = {	[0] = {		.start	= 0x44000000,		.end	= 0x4400ffff,		.flags	= IORESOURCE_MEM,	},	[1] = {		.start	= IRQ_LCD,		.end	= IRQ_LCD,		.flags	= IORESOURCE_IRQ,	},};static u64 fb_dma_mask = ~(u64)0;static struct platform_device pxafb_device = {	.name		= "pxa2xx-fb",	.id		= -1,	.dev		= { 		.platform_data	= &pxa_fb_info,		.dma_mask	= &fb_dma_mask,		.coherent_dma_mask = 0xffffffff,	},	.num_resources	= ARRAY_SIZE(pxafb_resources),	.resource	= pxafb_resources,};void __init set_pxa_fb_parent(struct device *parent_dev){	pxafb_device.dev.parent = parent_dev;}static struct platform_device ffuart_device = {	.name		= "pxa2xx-uart",	.id		= 0,};static struct platform_device btuart_device = {	.name		= "pxa2xx-uart",	.id		= 1,};static struct platform_device stuart_device = {	.name		= "pxa2xx-uart",	.id		= 2,};static struct platform_device hwuart_device = {	.name		= "pxa2xx-uart",	.id		= 3,};static struct resource i2c_resources[] = {	{		.start	= 0x40301680,		.end	= 0x403016a3,		.flags	= IORESOURCE_MEM,	}, {		.start	= IRQ_I2C,		.end	= IRQ_I2C,		.flags	= IORESOURCE_IRQ,	},};static struct platform_device i2c_device = {	.name		= "pxa2xx-i2c",	.id		= 0,	.resource	= i2c_resources,	.num_resources	= ARRAY_SIZE(i2c_resources),};void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info){	i2c_device.dev.platform_data = info;}static struct resource i2s_resources[] = {	{		.start	= 0x40400000,		.end	= 0x40400083,		.flags	= IORESOURCE_MEM,	}, {		.start	= IRQ_I2S,		.end	= IRQ_I2S,		.flags	= IORESOURCE_IRQ,	},};static struct platform_device i2s_device = {	.name		= "pxa2xx-i2s",	.id		= -1,	.resource	= i2s_resources,	.num_resources	= ARRAY_SIZE(i2s_resources),};static u64 pxaficp_dmamask = ~(u32)0;static struct platform_device pxaficp_device = {	.name		= "pxa2xx-ir",	.id		= -1,	.dev		= {		.dma_mask = &pxaficp_dmamask,		.coherent_dma_mask = 0xffffffff,	},};void __init pxa_set_ficp_info(struct pxaficp_platform_data *info){	pxaficp_device.dev.platform_data = info;}static struct platform_device *devices[] __initdata = {	&pxamci_device,	&udc_device,	&pxafb_device,	&ffuart_device,	&btuart_device,	&stuart_device,	&pxaficp_device,	&i2c_device,	&i2s_device,};static int __init pxa_init(void){	int cpuid, ret;	ret = platform_add_devices(devices, ARRAY_SIZE(devices));	if (ret)		return ret;	/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */	cpuid = read_cpuid(CPUID_ID);	if (((cpuid >> 4) & 0xfff) == 0x2d0 ||	    ((cpuid >> 4) & 0xfff) == 0x290)		ret = platform_device_register(&hwuart_device);	return ret;}subsys_initcall(pxa_init);