/* * linux/arch/arm/plat-omap/devices.c * * Common platform device setup/initialization for OMAP1 and OMAP2 * * 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/platform_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>#include <asm/arch/menelaus.h>#if 	defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)#define	OMAP1_I2C_BASE		0xfffb3800#define OMAP2_I2C_BASE1		0x48070000#define OMAP_I2C_SIZE		0x3f#define OMAP1_I2C_INT		INT_I2C#define OMAP2_I2C_INT1		56static struct resource i2c_resources1[] = {	{		.start		= 0,		.end		= 0,		.flags		= IORESOURCE_MEM,	},	{		.start		= 0,		.flags		= IORESOURCE_IRQ,	},};/* DMA not used; works around erratum writing to non-empty i2c fifo */static struct platform_device omap_i2c_device1 = {        .name           = "i2c_omap",        .id             = 1,	.num_resources	= ARRAY_SIZE(i2c_resources1),	.resource	= i2c_resources1,};/* See also arch/arm/mach-omap2/devices.c for second I2C on 24xx */static void omap_init_i2c(void){	if (cpu_is_omap24xx()) {		i2c_resources1[0].start = OMAP2_I2C_BASE1;		i2c_resources1[0].end = OMAP2_I2C_BASE1 + OMAP_I2C_SIZE;		i2c_resources1[1].start = OMAP2_I2C_INT1;	} else {		i2c_resources1[0].start = OMAP1_I2C_BASE;		i2c_resources1[0].end = OMAP1_I2C_BASE + OMAP_I2C_SIZE;		i2c_resources1[1].start = OMAP1_I2C_INT;	}	/* 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.	 */	if (cpu_is_omap24xx()) {		omap_cfg_reg(M19_24XX_I2C1_SCL);		omap_cfg_reg(L15_24XX_I2C1_SDA);	} else {		omap_cfg_reg(I2C_SCL);		omap_cfg_reg(I2C_SDA);	}	(void) platform_device_register(&omap_i2c_device1);}#elsestatic inline void omap_init_i2c(void) {}#endif/*-------------------------------------------------------------------------*/#if	defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)static void omap_init_kp(void){	if (machine_is_omap_h2() || machine_is_omap_h3()) {		omap_cfg_reg(F18_1610_KBC0);		omap_cfg_reg(D20_1610_KBC1);		omap_cfg_reg(D19_1610_KBC2);		omap_cfg_reg(E18_1610_KBC3);		omap_cfg_reg(C21_1610_KBC4);		omap_cfg_reg(G18_1610_KBR0);		omap_cfg_reg(F19_1610_KBR1);		omap_cfg_reg(H14_1610_KBR2);		omap_cfg_reg(E20_1610_KBR3);		omap_cfg_reg(E19_1610_KBR4);		omap_cfg_reg(N19_1610_KBR5);	} else if (machine_is_omap_perseus2()) {		omap_cfg_reg(E2_730_KBR0);		omap_cfg_reg(J7_730_KBR1);		omap_cfg_reg(E1_730_KBR2);		omap_cfg_reg(F3_730_KBR3);		omap_cfg_reg(D2_730_KBR4);		omap_cfg_reg(C2_730_KBC0);		omap_cfg_reg(D3_730_KBC1);		omap_cfg_reg(E4_730_KBC2);		omap_cfg_reg(F4_730_KBC3);		omap_cfg_reg(E3_730_KBC4);	} else if (machine_is_omap_h4()) {		omap_cfg_reg(T19_24XX_KBR0);		omap_cfg_reg(R19_24XX_KBR1);		omap_cfg_reg(V18_24XX_KBR2);		omap_cfg_reg(M21_24XX_KBR3);		omap_cfg_reg(E5__24XX_KBR4);		if (omap_has_menelaus()) {			omap_cfg_reg(B3__24XX_KBR5);			omap_cfg_reg(AA4_24XX_KBC2);			omap_cfg_reg(B13_24XX_KBC6);		} else {			omap_cfg_reg(M18_24XX_KBR5);			omap_cfg_reg(H19_24XX_KBC2);			omap_cfg_reg(N19_24XX_KBC6);		}		omap_cfg_reg(R20_24XX_KBC0);		omap_cfg_reg(M14_24XX_KBC1);		omap_cfg_reg(V17_24XX_KBC3);		omap_cfg_reg(P21_24XX_KBC4);		omap_cfg_reg(L14_24XX_KBC5);	}}#elsestatic inline void omap_init_kp(void) {}#endif/*-------------------------------------------------------------------------*/#if	defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)#ifdef CONFIG_ARCH_OMAP24XX#define	OMAP_MMC1_BASE		0x4809c000#define OMAP_MMC1_INT		83#else#define	OMAP_MMC1_BASE		0xfffb7800#define OMAP_MMC1_INT		INT_MMC#endif#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		= OMAP_MMC1_INT,		.flags		= IORESOURCE_IRQ,	},};static struct platform_device mmc_omap_device1 = {	.name		= "mmci-omap",	.id		= 1,	.dev = {		.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 = {		.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) {		if (!cpu_is_omap24xx()) {			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) {			if (!cpu_is_omap24xx()) {				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/*-------------------------------------------------------------------------*//* Numbering for the SPI-capable controllers when used for SPI: * spi		= 1 * uwire	= 2 * mmc1..2	= 3..4 * mcbsp1..3	= 5..7 */#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)#define	OMAP_UWIRE_BASE		0xfffb3000static struct resource uwire_resources[] = {	{		.start		= OMAP_UWIRE_BASE,		.end		= OMAP_UWIRE_BASE + 0x20,		.flags		= IORESOURCE_MEM,	},};static struct platform_device omap_uwire_device = {	.name	   = "omap_uwire",	.id	     = -1,	.num_resources	= ARRAY_SIZE(uwire_resources),	.resource	= uwire_resources,};static void omap_init_uwire(void){	/* FIXME define and use a boot tag; not all boards will be hooking	 * up devices to the microwire controller, and multi-board configs	 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...	 */	/* board-specific code must configure chipselects (only a few	 * are normally used) and SCLK/SDI/SDO (each has two choices).	 */	(void) platform_device_register(&omap_uwire_device);}#elsestatic inline void omap_init_uwire(void) {}#endif/*-------------------------------------------------------------------------*/#if	defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)#ifdef CONFIG_ARCH_OMAP24XX#define	OMAP_WDT_BASE		0x48022000#else#define	OMAP_WDT_BASE		0xfffeb000#endifstatic struct resource wdt_resources[] = {	{		.start		= OMAP_WDT_BASE,		.end		= OMAP_WDT_BASE + 0x4f,		.flags		= IORESOURCE_MEM,	},};static struct platform_device omap_wdt_device = {	.name	   = "omap_wdt",	.id	     = -1,	.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/*-------------------------------------------------------------------------*/#if	defined(CONFIG_OMAP_RNG) || defined(CONFIG_OMAP_RNG_MODULE)#ifdef CONFIG_ARCH_OMAP24XX#define	OMAP_RNG_BASE		0x480A0000#else#define	OMAP_RNG_BASE		0xfffe5000#endifstatic struct resource rng_resources[] = {	{		.start		= OMAP_RNG_BASE,		.end		= OMAP_RNG_BASE + 0x4f,		.flags		= IORESOURCE_MEM,	},};static struct platform_device omap_rng_device = {	.name	   = "omap_rng",	.id	     = -1,	.num_resources	= ARRAY_SIZE(rng_resources),	.resource	= rng_resources,};static void omap_init_rng(void){	(void) platform_device_register(&omap_rng_device);}#elsestatic inline void omap_init_rng(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_kp();	omap_init_mmc();	omap_init_uwire();	omap_init_wdt();	omap_init_rng();	return 0;}arch_initcall(omap_init_devices);