/* * linux/arch/arm/mach-omap1/board-h3.c * * This file contains OMAP1710 H3 specific code. * * Copyright (C) 2004 Texas Instruments, Inc. * Copyright (C) 2002 MontaVista Software, Inc. * Copyright (C) 2001 RidgeRun, Inc. * Author: RidgeRun, Inc. *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com * * 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. */#include <linux/config.h>#include <linux/types.h>#include <linux/init.h>#include <linux/major.h>#include <linux/kernel.h>#include <linux/platform_device.h>#include <linux/errno.h>#include <linux/workqueue.h>#include <linux/mtd/mtd.h>#include <linux/mtd/nand.h>#include <linux/mtd/partitions.h>#include <linux/input.h>#include <asm/setup.h>#include <asm/page.h>#include <asm/hardware.h>#include <asm/mach-types.h>#include <asm/mach/arch.h>#include <asm/mach/flash.h>#include <asm/mach/map.h>#include <asm/arch/gpio.h>#include <asm/arch/gpioexpander.h>#include <asm/arch/irqs.h>#include <asm/arch/mux.h>#include <asm/arch/tc.h>#include <asm/arch/irda.h>#include <asm/arch/usb.h>#include <asm/arch/keypad.h>#include <asm/arch/dma.h>#include <asm/arch/common.h>extern int omap_gpio_init(void);static int h3_keymap[] = {	KEY(0, 0, KEY_LEFT),	KEY(0, 1, KEY_RIGHT),	KEY(0, 2, KEY_3),	KEY(0, 3, KEY_F10),	KEY(0, 4, KEY_F5),	KEY(0, 5, KEY_9),	KEY(1, 0, KEY_DOWN),	KEY(1, 1, KEY_UP),	KEY(1, 2, KEY_2),	KEY(1, 3, KEY_F9),	KEY(1, 4, KEY_F7),	KEY(1, 5, KEY_0),	KEY(2, 0, KEY_ENTER),	KEY(2, 1, KEY_6),	KEY(2, 2, KEY_1),	KEY(2, 3, KEY_F2),	KEY(2, 4, KEY_F6),	KEY(2, 5, KEY_HOME),	KEY(3, 0, KEY_8),	KEY(3, 1, KEY_5),	KEY(3, 2, KEY_F12),	KEY(3, 3, KEY_F3),	KEY(3, 4, KEY_F8),	KEY(3, 5, KEY_END),	KEY(4, 0, KEY_7),	KEY(4, 1, KEY_4),	KEY(4, 2, KEY_F11),	KEY(4, 3, KEY_F1),	KEY(4, 4, KEY_F4),	KEY(4, 5, KEY_ESC),	KEY(5, 0, KEY_F13),	KEY(5, 1, KEY_F14),	KEY(5, 2, KEY_F15),	KEY(5, 3, KEY_F16),	KEY(5, 4, KEY_SLEEP),	0};static struct mtd_partition nor_partitions[] = {	/* bootloader (U-Boot, etc) in first sector */	{	      .name		= "bootloader",	      .offset		= 0,	      .size		= SZ_128K,	      .mask_flags	= MTD_WRITEABLE, /* force read-only */	},	/* bootloader params in the next sector */	{	      .name		= "params",	      .offset		= MTDPART_OFS_APPEND,	      .size		= SZ_128K,	      .mask_flags	= 0,	},	/* kernel */	{	      .name		= "kernel",	      .offset		= MTDPART_OFS_APPEND,	      .size		= SZ_2M,	      .mask_flags	= 0	},	/* file system */	{	      .name		= "filesystem",	      .offset		= MTDPART_OFS_APPEND,	      .size		= MTDPART_SIZ_FULL,	      .mask_flags	= 0	}};static struct flash_platform_data nor_data = {	.map_name	= "cfi_probe",	.width		= 2,	.parts		= nor_partitions,	.nr_parts	= ARRAY_SIZE(nor_partitions),};static struct resource nor_resource = {	/* This is on CS3, wherever it's mapped */	.flags		= IORESOURCE_MEM,};static struct platform_device nor_device = {	.name		= "omapflash",	.id		= 0,	.dev		= {		.platform_data	= &nor_data,	},	.num_resources	= 1,	.resource	= &nor_resource,};static struct mtd_partition nand_partitions[] = {#if 0	/* REVISIT: enable these partitions if you make NAND BOOT work */	{		.name		= "xloader",		.offset		= 0,		.size		= 64 * 1024,		.mask_flags	= MTD_WRITEABLE,	/* force read-only */	},	{		.name		= "bootloader",		.offset		= MTDPART_OFS_APPEND,		.size		= 256 * 1024,		.mask_flags	= MTD_WRITEABLE,	/* force read-only */	},	{		.name		= "params",		.offset		= MTDPART_OFS_APPEND,		.size		= 192 * 1024,	},	{		.name		= "kernel",		.offset		= MTDPART_OFS_APPEND,		.size		= 2 * SZ_1M,	},#endif	{		.name		= "filesystem",		.size		= MTDPART_SIZ_FULL,		.offset		= MTDPART_OFS_APPEND,	},};/* dip switches control NAND chip access:  8 bit, 16 bit, or neither */static struct nand_platform_data nand_data = {	.options	= NAND_SAMSUNG_LP_OPTIONS,	.parts		= nand_partitions,	.nr_parts	= ARRAY_SIZE(nand_partitions),};static struct resource nand_resource = {	.flags		= IORESOURCE_MEM,};static struct platform_device nand_device = {	.name		= "omapnand",	.id		= 0,	.dev		= {		.platform_data	= &nand_data,	},	.num_resources	= 1,	.resource	= &nand_resource,};static struct resource smc91x_resources[] = {	[0] = {		.start	= OMAP1710_ETHR_START,		/* Physical */		.end	= OMAP1710_ETHR_START + 0xf,		.flags	= IORESOURCE_MEM,	},	[1] = {		.start	= OMAP_GPIO_IRQ(40),		.end	= OMAP_GPIO_IRQ(40),		.flags	= IORESOURCE_IRQ,	},};static struct platform_device smc91x_device = {	.name		= "smc91x",	.id		= 0,	.num_resources	= ARRAY_SIZE(smc91x_resources),	.resource	= smc91x_resources,};#define GPTIMER_BASE		0xFFFB1400#define GPTIMER_REGS(x)	(0xFFFB1400 + (x * 0x800))#define GPTIMER_REGS_SIZE	0x46static struct resource intlat_resources[] = {	[0] = {		.start  = GPTIMER_REGS(0),	      /* Physical */		.end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,		.flags  = IORESOURCE_MEM,	},	[1] = {		.start  = INT_1610_GPTIMER1,		.end    = INT_1610_GPTIMER1,		.flags  = IORESOURCE_IRQ,	},};static struct platform_device intlat_device = {	.name	   = "omap_intlat",	.id	     = 0,	.num_resources  = ARRAY_SIZE(intlat_resources),	.resource       = intlat_resources,};static struct resource h3_kp_resources[] = {	[0] = {		.start	= INT_KEYBOARD,		.end	= INT_KEYBOARD,		.flags	= IORESOURCE_IRQ,	},};static struct omap_kp_platform_data h3_kp_data = {	.rows	= 8,	.cols	= 8,	.keymap = h3_keymap,	.rep	= 1,};static struct platform_device h3_kp_device = {	.name		= "omap-keypad",	.id		= -1,	.dev		= {		.platform_data = &h3_kp_data,	},	.num_resources	= ARRAY_SIZE(h3_kp_resources),	.resource	= h3_kp_resources,};/* Select between the IrDA and aGPS module */static int h3_select_irda(struct device *dev, int state){	unsigned char expa;	int err = 0;	if ((err = read_gpio_expa(&expa, 0x26))) {		printk(KERN_ERR "Error reading from I/O EXPANDER \n");		return err;	}	/* 'P6' enable/disable IRDA_TX and IRDA_RX */	if (state & IR_SEL) { /* IrDA */		if ((err = write_gpio_expa(expa | 0x40, 0x26))) {			printk(KERN_ERR "Error writing to I/O EXPANDER \n");			return err;		}	} else {		if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {			printk(KERN_ERR "Error writing to I/O EXPANDER \n");			return err;		}	}	return err;}static void set_trans_mode(void *data){	int *mode = data;	unsigned char expa;	int err = 0;	if ((err = read_gpio_expa(&expa, 0x27)) != 0) {		printk(KERN_ERR "Error reading from I/O expander\n");	}	expa &= ~0x03;	if (*mode & IR_SIRMODE) {		expa |= 0x01;	} else { /* MIR/FIR */		expa |= 0x03;	}	if ((err = write_gpio_expa(expa, 0x27)) != 0) {		printk(KERN_ERR "Error writing to I/O expander\n");	}}static int h3_transceiver_mode(struct device *dev, int mode){	struct omap_irda_config *irda_config = dev->platform_data;	cancel_delayed_work(&irda_config->gpio_expa);	PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);	schedule_work(&irda_config->gpio_expa);	return 0;}static struct omap_irda_config h3_irda_data = {	.transceiver_cap	= IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,	.transceiver_mode	= h3_transceiver_mode,	.select_irda	 	= h3_select_irda,	.rx_channel		= OMAP_DMA_UART3_RX,	.tx_channel		= OMAP_DMA_UART3_TX,	.dest_start		= UART3_THR,	.src_start		= UART3_RHR,	.tx_trigger		= 0,	.rx_trigger		= 0,};static struct resource h3_irda_resources[] = {	[0] = {		.start	= INT_UART3,		.end	= INT_UART3,		.flags	= IORESOURCE_IRQ,	},};static struct platform_device h3_irda_device = {	.name		= "omapirda",	.id		= 0,	.dev		= {		.platform_data	= &h3_irda_data,	},	.num_resources	= ARRAY_SIZE(h3_irda_resources),	.resource	= h3_irda_resources,};static struct platform_device h3_lcd_device = {	.name		= "lcd_h3",	.id		= -1,};static struct platform_device *devices[] __initdata = {	&nor_device,	&nand_device,        &smc91x_device,	&intlat_device,	&h3_irda_device,	&h3_kp_device,	&h3_lcd_device,};static struct omap_usb_config h3_usb_config __initdata = {	/* usb1 has a Mini-AB port and external isp1301 transceiver */	.otg	    = 2,#ifdef CONFIG_USB_GADGET_OMAP	.hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */#elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)	/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */	.hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */#endif	.pins[1]	= 3,};static struct omap_mmc_config h3_mmc_config __initdata = {	.mmc[0] = {		.enabled 	= 1,		.power_pin	= -1,   /* tps65010 GPIO4 */		.switch_pin	= OMAP_MPUIO(1),	},};static struct omap_uart_config h3_uart_config __initdata = {	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),};static struct omap_lcd_config h3_lcd_config __initdata = {	.ctrl_name	= "internal",};static struct omap_board_config_kernel h3_config[] = {	{ OMAP_TAG_USB,		&h3_usb_config },	{ OMAP_TAG_MMC,		&h3_mmc_config },	{ OMAP_TAG_UART,	&h3_uart_config },	{ OMAP_TAG_LCD,		&h3_lcd_config },};#define H3_NAND_RB_GPIO_PIN	10static int nand_dev_ready(struct nand_platform_data *data){	return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);}static void __init h3_init(void){	/* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped	 * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will	 * notice whether a NAND chip is enabled at probe time.	 *	 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND	 * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,	 * to avoid probing every possible flash configuration...	 */	nor_resource.end = nor_resource.start = omap_cs3_phys();	nor_resource.end += SZ_32M - 1;	nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;	nand_resource.end += SZ_4K - 1;	if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))		nand_data.dev_ready = nand_dev_ready;	/* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */	/* GPIO10 pullup/down register, Enable pullup on GPIO10 */	omap_cfg_reg(V2_1710_GPIO10);	platform_add_devices(devices, ARRAY_SIZE(devices));	omap_board_config = h3_config;	omap_board_config_size = ARRAY_SIZE(h3_config);	omap_serial_init();}static void __init h3_init_smc91x(void){	omap_cfg_reg(W15_1710_GPIO40);	if (omap_request_gpio(40) < 0) {		printk("Error requesting gpio 40 for smc91x irq\n");		return;	}}void h3_init_irq(void){	omap1_init_common_hw();	omap_init_irq();	omap_gpio_init();	h3_init_smc91x();}static void __init h3_map_io(void){	omap1_map_common_io();}MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")	/* Maintainer: Texas Instruments, Inc. */	.phys_io	= 0xfff00000,	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,	.boot_params	= 0x10000100,	.map_io		= h3_map_io,	.init_irq	= h3_init_irq,	.init_machine	= h3_init,	.timer		= &omap_timer,MACHINE_END