/* * linux/arch/arm/mach-omap1/devices.c * * OMAP1 platform device setup/initialization * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */#include <linux/config.h>#include <linux/module.h>#include <linux/kernel.h>#include <linux/init.h>#include <linux/device.h>#include <asm/hardware.h>#include <asm/io.h>#include <asm/mach-types.h>#include <asm/mach/map.h>#include <asm/arch/tc.h>#include <asm/arch/board.h>#include <asm/arch/mux.h>#include <asm/arch/gpio.h>static void omap_nop_release(struct device *dev){        /* Nothing */}/*-------------------------------------------------------------------------*/#if	defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)#define	OMAP_I2C_BASE		0xfffb3800static struct resource i2c_resources[] = {	{		.start		= OMAP_I2C_BASE,		.end		= OMAP_I2C_BASE + 0x3f,		.flags		= IORESOURCE_MEM,	},	{		.start		= INT_I2C,		.flags		= IORESOURCE_IRQ,	},};/* DMA not used; works around erratum writing to non-empty i2c fifo */static struct platform_device omap_i2c_device = {        .name           = "i2c_omap",        .id             = -1,        .dev = {                .release        = omap_nop_release,        },	.num_resources	= ARRAY_SIZE(i2c_resources),	.resource	= i2c_resources,};static void omap_init_i2c(void){	/* FIXME define and use a boot tag, in case of boards that	 * either don't wire up I2C, or chips that mux it differently...	 * it can include clocking and address info, maybe more.	 */	omap_cfg_reg(I2C_SCL);	omap_cfg_reg(I2C_SDA);	(void) platform_device_register(&omap_i2c_device);}#elsestatic inline void omap_init_i2c(void) {}#endif/*-------------------------------------------------------------------------*/#if	defined(CONFIG_OMAP1610_IR) || defined(CONFIG_OMAP161O_IR_MODULE)static u64 irda_dmamask = 0xffffffff;static struct platform_device omap1610ir_device = {	.name = "omap1610-ir",	.id = -1,	.dev = {		.release	= omap_nop_release,		.dma_mask	= &irda_dmamask,	},};static void omap_init_irda(void){	/* FIXME define and use a boot tag, members something like:	 *  u8		uart;		// uart1, or uart3	 * ... but driver only handles uart3 for now	 *  s16		fir_sel;	// gpio for SIR vs FIR	 * ... may prefer a callback for SIR/MIR/FIR mode select;	 * while h2 uses a GPIO, H3 uses a gpio expander	 */	if (machine_is_omap_h2()			|| machine_is_omap_h3())		(void) platform_device_register(&omap1610ir_device);}#elsestatic inline void omap_init_irda(void) {}#endif/*-------------------------------------------------------------------------*/#if	defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)#define	OMAP_MMC1_BASE		0xfffb7800#define	OMAP_MMC2_BASE		0xfffb7c00	/* omap16xx only */static struct omap_mmc_conf mmc1_conf;static u64 mmc1_dmamask = 0xffffffff;static struct resource mmc1_resources[] = {	{		.start		= IO_ADDRESS(OMAP_MMC1_BASE),		.end		= IO_ADDRESS(OMAP_MMC1_BASE) + 0x7f,		.flags		= IORESOURCE_MEM,	},	{		.start		= INT_MMC,		.flags		= IORESOURCE_IRQ,	},};static struct platform_device mmc_omap_device1 = {	.name		= "mmci-omap",	.id		= 1,	.dev = {		.release	= omap_nop_release,		.dma_mask	= &mmc1_dmamask,		.platform_data	= &mmc1_conf,	},	.num_resources	= ARRAY_SIZE(mmc1_resources),	.resource	= mmc1_resources,};#ifdef	CONFIG_ARCH_OMAP16XXstatic struct omap_mmc_conf mmc2_conf;static u64 mmc2_dmamask = 0xffffffff;static struct resource mmc2_resources[] = {	{		.start		= IO_ADDRESS(OMAP_MMC2_BASE),		.end		= IO_ADDRESS(OMAP_MMC2_BASE) + 0x7f,		.flags		= IORESOURCE_MEM,	},	{		.start		= INT_1610_MMC2,		.flags		= IORESOURCE_IRQ,	},};static struct platform_device mmc_omap_device2 = {	.name		= "mmci-omap",	.id		= 2,	.dev = {		.release	= omap_nop_release,		.dma_mask	= &mmc2_dmamask,		.platform_data	= &mmc2_conf,	},	.num_resources	= ARRAY_SIZE(mmc2_resources),	.resource	= mmc2_resources,};#endifstatic void __init omap_init_mmc(void){	const struct omap_mmc_config	*mmc_conf;	const struct omap_mmc_conf	*mmc;	/* NOTE:  assumes MMC was never (wrongly) enabled */	mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);	if (!mmc_conf)		return;	/* block 1 is always available and has just one pinout option */	mmc = &mmc_conf->mmc[0];	if (mmc->enabled) {		omap_cfg_reg(MMC_CMD);		omap_cfg_reg(MMC_CLK);		omap_cfg_reg(MMC_DAT0);		if (cpu_is_omap1710()) {	              omap_cfg_reg(M15_1710_MMC_CLKI);	              omap_cfg_reg(P19_1710_MMC_CMDDIR);	              omap_cfg_reg(P20_1710_MMC_DATDIR0);	        }		if (mmc->wire4) {			omap_cfg_reg(MMC_DAT1);			/* NOTE:  DAT2 can be on W10 (here) or M15 */			if (!mmc->nomux)				omap_cfg_reg(MMC_DAT2);			omap_cfg_reg(MMC_DAT3);		}		mmc1_conf = *mmc;		(void) platform_device_register(&mmc_omap_device1);	}#ifdef	CONFIG_ARCH_OMAP16XX	/* block 2 is on newer chips, and has many pinout options */	mmc = &mmc_conf->mmc[1];	if (mmc->enabled) {		if (!mmc->nomux) {			omap_cfg_reg(Y8_1610_MMC2_CMD);			omap_cfg_reg(Y10_1610_MMC2_CLK);			omap_cfg_reg(R18_1610_MMC2_CLKIN);			omap_cfg_reg(W8_1610_MMC2_DAT0);			if (mmc->wire4) {				omap_cfg_reg(V8_1610_MMC2_DAT1);				omap_cfg_reg(W15_1610_MMC2_DAT2);				omap_cfg_reg(R10_1610_MMC2_DAT3);			}			/* These are needed for the level shifter */			omap_cfg_reg(V9_1610_MMC2_CMDDIR);			omap_cfg_reg(V5_1610_MMC2_DATDIR0);			omap_cfg_reg(W19_1610_MMC2_DATDIR1);		}		/* Feedback clock must be set on OMAP-1710 MMC2 */		if (cpu_is_omap1710())			omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),				     MOD_CONF_CTRL_1);		mmc2_conf = *mmc;		(void) platform_device_register(&mmc_omap_device2);	}#endif	return;}#elsestatic inline void omap_init_mmc(void) {}#endif#if	defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC)#define	OMAP_RTC_BASE		0xfffb4800static struct resource rtc_resources[] = {	{		.start		= OMAP_RTC_BASE,		.end		= OMAP_RTC_BASE + 0x5f,		.flags		= IORESOURCE_MEM,	},	{		.start		= INT_RTC_TIMER,		.flags		= IORESOURCE_IRQ,	},	{		.start		= INT_RTC_ALARM,		.flags		= IORESOURCE_IRQ,	},};static struct platform_device omap_rtc_device = {	.name           = "omap_rtc",	.id             = -1,	.dev = {		.release        = omap_nop_release,	},	.num_resources	= ARRAY_SIZE(rtc_resources),	.resource	= rtc_resources,};static void omap_init_rtc(void){	(void) platform_device_register(&omap_rtc_device);}#elsestatic inline void omap_init_rtc(void) {}#endif/*-------------------------------------------------------------------------*/#if	defined(CONFIG_OMAP16XX_WATCHDOG) || defined(CONFIG_OMAP16XX_WATCHDOG_MODULE)#define	OMAP_WDT_BASE		0xfffeb000static struct resource wdt_resources[] = {	{		.start		= OMAP_WDT_BASE,		.end		= OMAP_WDT_BASE + 0x4f,		.flags		= IORESOURCE_MEM,	},};static struct platform_device omap_wdt_device = {	.name	   = "omap1610_wdt",	.id	     = -1,	.dev = {		.release	= omap_nop_release,	},	.num_resources	= ARRAY_SIZE(wdt_resources),	.resource	= wdt_resources,};static void omap_init_wdt(void){	(void) platform_device_register(&omap_wdt_device);}#elsestatic inline void omap_init_wdt(void) {}#endif/*-------------------------------------------------------------------------*//* * This gets called after board-specific INIT_MACHINE, and initializes most * on-chip peripherals accessible on this board (except for few like USB): * *  (a) Does any "standard config" pin muxing needed.  Board-specific *	code will have muxed GPIO pins and done "nonstandard" setup; *	that code could live in the boot loader. *  (b) Populating board-specific platform_data with the data drivers *	rely on to handle wiring variations. *  (c) Creating platform devices as meaningful on this board and *	with this kernel configuration. * * Claiming GPIOs, and setting their direction and initial values, is the * responsibility of the device drivers.  So is responding to probe(). * * Board-specific knowlege like creating devices or pin setup is to be * kept out of drivers as much as possible.  In particular, pin setup * may be handled by the boot loader, and drivers should expect it will * normally have been done by the time they're probed. */static int __init omap_init_devices(void){	/* please keep these calls, and their implementations above,	 * in alphabetical order so they're easier to sort through.	 */	omap_init_i2c();	omap_init_irda();	omap_init_mmc();	omap_init_rtc();	omap_init_wdt();	return 0;}arch_initcall(omap_init_devices);