[mirror_ubuntu-zesty-kernel.git] / arch / arm / mach-omap2 / board-h4.c

/*
 * linux/arch/arm/mach-omap2/board-h4.c
 *
 * Copyright (C) 2005 Nokia Corporation
 * Author: Paul Mundt <paul.mundt@nokia.com>
 *
 * Modified from mach-omap/omap1/board-generic.c
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/input.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>

#include <mach/control.h>
#include <mach/gpio.h>
#include <mach/gpioexpander.h>
#include <mach/mux.h>
#include <mach/usb.h>
#include <mach/irda.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/keypad.h>
#include <mach/menelaus.h>
#include <mach/dma.h>
#include <mach/gpmc.h>

#define H4_FLASH_CS	0
#define H4_SMC91X_CS	1

static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };

static int h4_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_RIGHT),
	KEY(0, 2, KEY_A),
	KEY(0, 3, KEY_B),
	KEY(0, 4, KEY_C),
	KEY(1, 0, KEY_DOWN),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_E),
	KEY(1, 3, KEY_F),
	KEY(1, 4, KEY_G),
	KEY(2, 0, KEY_ENTER),
	KEY(2, 1, KEY_I),
	KEY(2, 2, KEY_J),
	KEY(2, 3, KEY_K),
	KEY(2, 4, KEY_3),
	KEY(3, 0, KEY_M),
	KEY(3, 1, KEY_N),
	KEY(3, 2, KEY_O),
	KEY(3, 3, KEY_P),
	KEY(3, 4, KEY_Q),
	KEY(4, 0, KEY_R),
	KEY(4, 1, KEY_4),
	KEY(4, 2, KEY_T),
	KEY(4, 3, KEY_U),
	KEY(4, 4, KEY_ENTER),
	KEY(5, 0, KEY_V),
	KEY(5, 1, KEY_W),
	KEY(5, 2, KEY_L),
	KEY(5, 3, KEY_S),
	KEY(5, 4, KEY_ENTER),
	0
};

static struct mtd_partition h4_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 h4_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= h4_partitions,
	.nr_parts	= ARRAY_SIZE(h4_partitions),
};

static struct resource h4_flash_resource = {
	.flags		= IORESOURCE_MEM,
};

static struct platform_device h4_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &h4_flash_data,
	},
	.num_resources	= 1,
	.resource	= &h4_flash_resource,
};

/* Select between the IrDA and aGPS module
 */
static int h4_select_irda(struct device *dev, int state)
{
	unsigned char expa;
	int err = 0;

	if ((err = read_gpio_expa(&expa, 0x21))) {
		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 | 0x01, 0x21))) {
			printk(KERN_ERR "Error writing to I/O expander\n");
			return err;
		}
	} else {
		if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
			printk(KERN_ERR "Error writing to I/O expander\n");
			return err;
		}
	}
	return err;
}

static void set_trans_mode(struct work_struct *work)
{
	struct omap_irda_config *irda_config =
		container_of(work, struct omap_irda_config, gpio_expa.work);
	int mode = irda_config->mode;
	unsigned char expa;
	int err = 0;

	if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
		printk(KERN_ERR "Error reading from I/O expander\n");
	}

	expa &= ~0x01;

	if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
		expa |= 0x01;
	}

	if ((err = write_gpio_expa(expa, 0x20)) != 0) {
		printk(KERN_ERR "Error writing to I/O expander\n");
	}
}

static int h4_transceiver_mode(struct device *dev, int mode)
{
	struct omap_irda_config *irda_config = dev->platform_data;

	irda_config->mode = mode;
	cancel_delayed_work(&irda_config->gpio_expa);
	PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
	schedule_delayed_work(&irda_config->gpio_expa, 0);

	return 0;
}

static struct omap_irda_config h4_irda_data = {
	.transceiver_cap	= IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
	.transceiver_mode	= h4_transceiver_mode,
	.select_irda	 	= h4_select_irda,
	.rx_channel		= OMAP24XX_DMA_UART3_RX,
	.tx_channel		= OMAP24XX_DMA_UART3_TX,
	.dest_start		= OMAP_UART3_BASE,
	.src_start		= OMAP_UART3_BASE,
	.tx_trigger		= OMAP24XX_DMA_UART3_TX,
	.rx_trigger		= OMAP24XX_DMA_UART3_RX,
};

static struct resource h4_irda_resources[] = {
	[0] = {
		.start	= INT_24XX_UART3_IRQ,
		.end	= INT_24XX_UART3_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device h4_irda_device = {
	.name		= "omapirda",
	.id		= -1,
	.dev		= {
		.platform_data	= &h4_irda_data,
	},
	.num_resources	= 1,
	.resource	= h4_irda_resources,
};

static struct omap_kp_platform_data h4_kp_data = {
	.rows		= 6,
	.cols		= 7,
	.keymap 	= h4_keymap,
	.keymapsize 	= ARRAY_SIZE(h4_keymap),
	.rep		= 1,
	.row_gpios 	= row_gpios,
	.col_gpios 	= col_gpios,
};

static struct platform_device h4_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &h4_kp_data,
	},
};

static struct platform_device h4_lcd_device = {
	.name		= "lcd_h4",
	.id		= -1,
};

static struct platform_device *h4_devices[] __initdata = {
	&h4_flash_device,
	&h4_irda_device,
	&h4_kp_device,
	&h4_lcd_device,
};

/* 2420 Sysboot setup (2430 is different) */
static u32 get_sysboot_value(void)
{
	return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
		(OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
		 OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
		 OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
}

/* H4-2420's always used muxed mode, H4-2422's always use non-muxed
 *
 * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
 *  correctly.  The macro needs to look at production_id not just hawkeye.
 */
static u32 is_gpmc_muxed(void)
{
	u32 mux;
	mux = get_sysboot_value();
	if ((mux & 0xF) == 0xd)
		return 1;	/* NAND config (could be either) */
	if (mux & 0x2)		/* if mux'ed */
		return 1;
	else
		return 0;
}

static inline void __init h4_init_debug(void)
{
	int eth_cs;
	unsigned long cs_mem_base;
	unsigned int muxed, rate;
	struct clk *gpmc_fck;

	eth_cs	= H4_SMC91X_CS;

	gpmc_fck = clk_get(NULL, "gpmc_fck");	/* Always on ENABLE_ON_INIT */
	if (IS_ERR(gpmc_fck)) {
		WARN_ON(1);
		return;
	}

	clk_enable(gpmc_fck);
	rate = clk_get_rate(gpmc_fck);
	clk_disable(gpmc_fck);
	clk_put(gpmc_fck);

	if (is_gpmc_muxed())
		muxed = 0x200;
	else
		muxed = 0;

	/* Make sure CS1 timings are correct */
	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
			  0x00011000 | muxed);

	if (rate >= 160000000) {
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	} else if (rate >= 130000000) {
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	} else {/* rate = 100000000 */
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	}

	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
		printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
		goto out;
	}

	udelay(100);

	omap_cfg_reg(M15_24XX_GPIO92);
	if (debug_card_init(cs_mem_base, OMAP24XX_ETHR_GPIO_IRQ) < 0)
		gpmc_cs_free(eth_cs);

out:
	clk_disable(gpmc_fck);
	clk_put(gpmc_fck);
}

static void __init h4_init_flash(void)
{
	unsigned long base;

	if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
		printk("Can't request GPMC CS for flash\n");
		return;
	}
	h4_flash_resource.start	= base;
	h4_flash_resource.end	= base + SZ_64M - 1;
}

static void __init omap_h4_init_irq(void)
{
	omap2_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	h4_init_flash();
}

static struct omap_uart_config h4_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};

static struct omap_lcd_config h4_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel h4_config[] = {
	{ OMAP_TAG_UART,	&h4_uart_config },
	{ OMAP_TAG_LCD,		&h4_lcd_config },
};

static struct at24_platform_data m24c01 = {
	.byte_len	= SZ_1K / 8,
	.page_size	= 16,
};

static struct i2c_board_info __initdata h4_i2c_board_info[] = {
	{
		I2C_BOARD_INFO("isp1301_omap", 0x2d),
		.irq		= OMAP_GPIO_IRQ(125),
	},
	{	/* EEPROM on mainboard */
		I2C_BOARD_INFO("24c01", 0x52),
		.platform_data	= &m24c01,
	},
	{	/* EEPROM on cpu card */
		I2C_BOARD_INFO("24c01", 0x57),
		.platform_data	= &m24c01,
	},
};

static void __init omap_h4_init(void)
{
	/*
	 * Make sure the serial ports are muxed on at this point.
	 * You have to mux them off in device drivers later on
	 * if not needed.
	 */
#if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
	omap_cfg_reg(K15_24XX_UART3_TX);
	omap_cfg_reg(K14_24XX_UART3_RX);
#endif

#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
	if (omap_has_menelaus()) {
		row_gpios[5] = 0;
		col_gpios[2] = 15;
		col_gpios[6] = 18;
	}
#endif

	i2c_register_board_info(1, h4_i2c_board_info,
			ARRAY_SIZE(h4_i2c_board_info));

	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
	omap_board_config = h4_config;
	omap_board_config_size = ARRAY_SIZE(h4_config);
	omap_serial_init();
}

static void __init omap_h4_map_io(void)
{
	omap2_set_globals_242x();
	omap2_map_common_io();
}

MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= omap_h4_map_io,
	.init_irq	= omap_h4_init_irq,
	.init_machine	= omap_h4_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
1dbae815	1	/*
f30c2269	2	* linux/arch/arm/mach-omap2/board-h4.c
1dbae815 TL	3	*
	4	* Copyright (C) 2005 Nokia Corporation
	5	* Author: Paul Mundt <paul.mundt@nokia.com>
	6	*
	7	* Modified from mach-omap/omap1/board-generic.c
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*/
	13
	14	#include <linux/kernel.h>
	15	#include <linux/init.h>
	16	#include <linux/platform_device.h>
	17	#include <linux/mtd/mtd.h>
	18	#include <linux/mtd/partitions.h>
	19	#include <linux/delay.h>
9b6553cd	20	#include <linux/workqueue.h>
9df013b3	21	#include <linux/i2c.h>
6a769ed4	22	#include <linux/i2c/at24.h>
9b6553cd	23	#include <linux/input.h>
44595982 PW	24	#include <linux/err.h>
44595982 PW	25	#include <linux/clk.h>
fced80c7	26	#include <linux/io.h>
1dbae815	27
a09e64fb	28	#include <mach/hardware.h>
1dbae815 TL	29	#include <asm/mach-types.h>
	30	#include <asm/mach/arch.h>
	31	#include <asm/mach/map.h>
	32	#include <asm/mach/flash.h>
	33
a09e64fb RK	34	#include <mach/control.h>
	35	#include <mach/gpio.h>
	36	#include <mach/gpioexpander.h>
	37	#include <mach/mux.h>
	38	#include <mach/usb.h>
	39	#include <mach/irda.h>
	40	#include <mach/board.h>
	41	#include <mach/common.h>
	42	#include <mach/keypad.h>
	43	#include <mach/menelaus.h>
	44	#include <mach/dma.h>
	45	#include <mach/gpmc.h>
1dbae815	46
44595982 PW	47	#define H4_FLASH_CS 0
	48	#define H4_SMC91X_CS 1
	49
9b6553cd TL	50	static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
	51	static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
	52
	53	static int h4_keymap[] = {
	54	KEY(0, 0, KEY_LEFT),
	55	KEY(0, 1, KEY_RIGHT),
	56	KEY(0, 2, KEY_A),
	57	KEY(0, 3, KEY_B),
	58	KEY(0, 4, KEY_C),
	59	KEY(1, 0, KEY_DOWN),
	60	KEY(1, 1, KEY_UP),
	61	KEY(1, 2, KEY_E),
	62	KEY(1, 3, KEY_F),
	63	KEY(1, 4, KEY_G),
	64	KEY(2, 0, KEY_ENTER),
	65	KEY(2, 1, KEY_I),
	66	KEY(2, 2, KEY_J),
	67	KEY(2, 3, KEY_K),
	68	KEY(2, 4, KEY_3),
	69	KEY(3, 0, KEY_M),
	70	KEY(3, 1, KEY_N),
	71	KEY(3, 2, KEY_O),
	72	KEY(3, 3, KEY_P),
	73	KEY(3, 4, KEY_Q),
	74	KEY(4, 0, KEY_R),
	75	KEY(4, 1, KEY_4),
	76	KEY(4, 2, KEY_T),
	77	KEY(4, 3, KEY_U),
	78	KEY(4, 4, KEY_ENTER),
	79	KEY(5, 0, KEY_V),
	80	KEY(5, 1, KEY_W),
	81	KEY(5, 2, KEY_L),
	82	KEY(5, 3, KEY_S),
	83	KEY(5, 4, KEY_ENTER),
	84	0
	85	};
	86
1dbae815 TL	87	static struct mtd_partition h4_partitions[] = {
	88	/* bootloader (U-Boot, etc) in first sector */
	89	{
	90	.name = "bootloader",
	91	.offset = 0,
	92	.size = SZ_128K,
	93	.mask_flags = MTD_WRITEABLE, /* force read-only */
	94	},
	95	/* bootloader params in the next sector */
	96	{
	97	.name = "params",
	98	.offset = MTDPART_OFS_APPEND,
	99	.size = SZ_128K,
	100	.mask_flags = 0,
	101	},
	102	/* kernel */
	103	{
	104	.name = "kernel",
	105	.offset = MTDPART_OFS_APPEND,
	106	.size = SZ_2M,
	107	.mask_flags = 0
	108	},
	109	/* file system */
	110	{
	111	.name = "filesystem",
	112	.offset = MTDPART_OFS_APPEND,
	113	.size = MTDPART_SIZ_FULL,
	114	.mask_flags = 0
	115	}
	116	};
	117
	118	static struct flash_platform_data h4_flash_data = {
	119	.map_name = "cfi_probe",
	120	.width = 2,
	121	.parts = h4_partitions,
	122	.nr_parts = ARRAY_SIZE(h4_partitions),
	123	};
	124
	125	static struct resource h4_flash_resource = {
1dbae815 TL	126	.flags = IORESOURCE_MEM,
	127	};
	128
	129	static struct platform_device h4_flash_device = {
	130	.name = "omapflash",
	131	.id = 0,
	132	.dev = {
	133	.platform_data = &h4_flash_data,
	134	},
	135	.num_resources = 1,
	136	.resource = &h4_flash_resource,
	137	};
	138
9b6553cd TL	139	/* Select between the IrDA and aGPS module
	140	*/
	141	static int h4_select_irda(struct device *dev, int state)
	142	{
	143	unsigned char expa;
	144	int err = 0;
	145
	146	if ((err = read_gpio_expa(&expa, 0x21))) {
	147	printk(KERN_ERR "Error reading from I/O expander\n");
	148	return err;
	149	}
	150
	151	/* 'P6' enable/disable IRDA_TX and IRDA_RX */
	152	if (state & IR_SEL) { /* IrDa */
	153	if ((err = write_gpio_expa(expa \| 0x01, 0x21))) {
	154	printk(KERN_ERR "Error writing to I/O expander\n");
	155	return err;
	156	}
	157	} else {
	158	if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
	159	printk(KERN_ERR "Error writing to I/O expander\n");
	160	return err;
	161	}
	162	}
	163	return err;
	164	}
	165
060ebf97	166	static void set_trans_mode(struct work_struct *work)
9b6553cd	167	{
060ebf97 DB	168	struct omap_irda_config *irda_config =
	169	container_of(work, struct omap_irda_config, gpio_expa.work);
	170	int mode = irda_config->mode;
9b6553cd TL	171	unsigned char expa;
	172	int err = 0;
	173
	174	if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
	175	printk(KERN_ERR "Error reading from I/O expander\n");
	176	}
	177
	178	expa &= ~0x01;
	179
060ebf97	180	if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
9b6553cd TL	181	expa \|= 0x01;
	182	}
	183
	184	if ((err = write_gpio_expa(expa, 0x20)) != 0) {
	185	printk(KERN_ERR "Error writing to I/O expander\n");
	186	}
	187	}
	188
	189	static int h4_transceiver_mode(struct device *dev, int mode)
	190	{
	191	struct omap_irda_config *irda_config = dev->platform_data;
	192
060ebf97	193	irda_config->mode = mode;
9b6553cd	194	cancel_delayed_work(&irda_config->gpio_expa);
060ebf97	195	PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
6d5aefb8	196	schedule_delayed_work(&irda_config->gpio_expa, 0);
9b6553cd TL	197
	198	return 0;
	199	}
	200
	201	static struct omap_irda_config h4_irda_data = {
	202	.transceiver_cap = IR_SIRMODE \| IR_MIRMODE \| IR_FIRMODE,
	203	.transceiver_mode = h4_transceiver_mode,
	204	.select_irda = h4_select_irda,
	205	.rx_channel = OMAP24XX_DMA_UART3_RX,
	206	.tx_channel = OMAP24XX_DMA_UART3_TX,
	207	.dest_start = OMAP_UART3_BASE,
	208	.src_start = OMAP_UART3_BASE,
	209	.tx_trigger = OMAP24XX_DMA_UART3_TX,
	210	.rx_trigger = OMAP24XX_DMA_UART3_RX,
	211	};
	212
	213	static struct resource h4_irda_resources[] = {
	214	[0] = {
	215	.start = INT_24XX_UART3_IRQ,
	216	.end = INT_24XX_UART3_IRQ,
	217	.flags = IORESOURCE_IRQ,
	218	},
	219	};
	220
	221	static struct platform_device h4_irda_device = {
	222	.name = "omapirda",
	223	.id = -1,
	224	.dev = {
	225	.platform_data = &h4_irda_data,
	226	},
	227	.num_resources = 1,
	228	.resource = h4_irda_resources,
	229	};
	230
	231	static struct omap_kp_platform_data h4_kp_data = {
	232	.rows = 6,
	233	.cols = 7,
	234	.keymap = h4_keymap,
4d24607b	235	.keymapsize = ARRAY_SIZE(h4_keymap),
9b6553cd TL	236	.rep = 1,
	237	.row_gpios = row_gpios,
	238	.col_gpios = col_gpios,
	239	};
	240
	241	static struct platform_device h4_kp_device = {
	242	.name = "omap-keypad",
	243	.id = -1,
	244	.dev = {
	245	.platform_data = &h4_kp_data,
	246	},
	247	};
	248
	249	static struct platform_device h4_lcd_device = {
	250	.name = "lcd_h4",
	251	.id = -1,
	252	};
	253
1dbae815	254	static struct platform_device *h4_devices[] __initdata = {
1dbae815	255	&h4_flash_device,
9b6553cd TL	256	&h4_irda_device,
	257	&h4_kp_device,
	258	&h4_lcd_device,
1dbae815 TL	259	};
1dbae815 TL	260
44595982 PW	261	/* 2420 Sysboot setup (2430 is different) */
	262	static u32 get_sysboot_value(void)
	263	{
	264	return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
	265	(OMAP2_SYSBOOT_5_MASK \| OMAP2_SYSBOOT_4_MASK \|
	266	OMAP2_SYSBOOT_3_MASK \| OMAP2_SYSBOOT_2_MASK \|
	267	OMAP2_SYSBOOT_1_MASK \| OMAP2_SYSBOOT_0_MASK));
	268	}
	269
	270	/* H4-2420's always used muxed mode, H4-2422's always use non-muxed
	271	*
	272	* Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
	273	* correctly. The macro needs to look at production_id not just hawkeye.
	274	*/
	275	static u32 is_gpmc_muxed(void)
	276	{
	277	u32 mux;
	278	mux = get_sysboot_value();
	279	if ((mux & 0xF) == 0xd)
	280	return 1; /* NAND config (could be either) */
	281	if (mux & 0x2) /* if mux'ed */
	282	return 1;
	283	else
	284	return 0;
	285	}
	286
f6049312	287	static inline void __init h4_init_debug(void)
1dbae815	288	{
44595982 PW	289	int eth_cs;
	290	unsigned long cs_mem_base;
	291	unsigned int muxed, rate;
	292	struct clk *gpmc_fck;
	293
	294	eth_cs = H4_SMC91X_CS;
	295
	296	gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
	297	if (IS_ERR(gpmc_fck)) {
	298	WARN_ON(1);
	299	return;
	300	}
	301
	302	clk_enable(gpmc_fck);
	303	rate = clk_get_rate(gpmc_fck);
	304	clk_disable(gpmc_fck);
	305	clk_put(gpmc_fck);
	306
	307	if (is_gpmc_muxed())
	308	muxed = 0x200;
	309	else
	310	muxed = 0;
	311
1dbae815	312	/* Make sure CS1 timings are correct */
44595982 PW	313	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
	314	0x00011000 \| muxed);
	315
	316	if (rate >= 160000000) {
	317	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
	318	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
	319	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
	320	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	321	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	322	} else if (rate >= 130000000) {
	323	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	324	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	325	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	326	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	327	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	328	} else {/* rate = 100000000 */
	329	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	330	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	331	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	332	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
	333	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	334	}
	335
	336	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
	337	printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
	338	goto out;
	339	}
	340
1dbae815 TL	341	udelay(100);
	342
	343	omap_cfg_reg(M15_24XX_GPIO92);
f6049312 DB	344	if (debug_card_init(cs_mem_base, OMAP24XX_ETHR_GPIO_IRQ) < 0)
f6049312 DB	345	gpmc_cs_free(eth_cs);
44595982 PW	346
	347	out:
	348	clk_disable(gpmc_fck);
	349	clk_put(gpmc_fck);
	350	}
	351
	352	static void __init h4_init_flash(void)
	353	{
	354	unsigned long base;
	355
	356	if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
	357	printk("Can't request GPMC CS for flash\n");
	358	return;
	359	}
	360	h4_flash_resource.start = base;
	361	h4_flash_resource.end = base + SZ_64M - 1;
1dbae815 TL	362	}
	363
	364	static void __init omap_h4_init_irq(void)
	365	{
18f49ea2	366	omap2_init_common_hw();
1dbae815 TL	367	omap_init_irq();
1dbae815 TL	368	omap_gpio_init();
44595982	369	h4_init_flash();
1dbae815 TL	370	}
	371
	372	static struct omap_uart_config h4_uart_config __initdata = {
	373	.enabled_uarts = ((1 << 0) \| (1 << 1) \| (1 << 2)),
	374	};
	375
1dbae815	376	static struct omap_lcd_config h4_lcd_config __initdata = {
1dbae815 TL	377	.ctrl_name = "internal",
	378	};
	379
	380	static struct omap_board_config_kernel h4_config[] = {
	381	{ OMAP_TAG_UART, &h4_uart_config },
1dbae815 TL	382	{ OMAP_TAG_LCD, &h4_lcd_config },
	383	};
	384
6a769ed4 DB	385	static struct at24_platform_data m24c01 = {
	386	.byte_len = SZ_1K / 8,
	387	.page_size = 16,
	388	};
	389
9df013b3 JD	390	static struct i2c_board_info __initdata h4_i2c_board_info[] = {
	391	{
	392	I2C_BOARD_INFO("isp1301_omap", 0x2d),
	393	.irq = OMAP_GPIO_IRQ(125),
	394	},
6a769ed4 DB	395	{ /* EEPROM on mainboard */
	396	I2C_BOARD_INFO("24c01", 0x52),
	397	.platform_data = &m24c01,
	398	},
	399	{ /* EEPROM on cpu card */
	400	I2C_BOARD_INFO("24c01", 0x57),
	401	.platform_data = &m24c01,
	402	},
9df013b3 JD	403	};
9df013b3 JD	404
1dbae815 TL	405	static void __init omap_h4_init(void)
	406	{
	407	/*
	408	* Make sure the serial ports are muxed on at this point.
	409	* You have to mux them off in device drivers later on
	410	* if not needed.
	411	*/
9b6553cd TL	412	#if defined(CONFIG_OMAP_IR) \|\| defined(CONFIG_OMAP_IR_MODULE)
	413	omap_cfg_reg(K15_24XX_UART3_TX);
	414	omap_cfg_reg(K14_24XX_UART3_RX);
	415	#endif
	416
	417	#if defined(CONFIG_KEYBOARD_OMAP) \|\| defined(CONFIG_KEYBOARD_OMAP_MODULE)
	418	if (omap_has_menelaus()) {
	419	row_gpios[5] = 0;
	420	col_gpios[2] = 15;
	421	col_gpios[6] = 18;
	422	}
	423	#endif
	424
9df013b3 JD	425	i2c_register_board_info(1, h4_i2c_board_info,
	426	ARRAY_SIZE(h4_i2c_board_info));
	427
1dbae815 TL	428	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
	429	omap_board_config = h4_config;
	430	omap_board_config_size = ARRAY_SIZE(h4_config);
	431	omap_serial_init();
	432	}
	433
	434	static void __init omap_h4_map_io(void)
	435	{
c8d2eb8e	436	omap2_set_globals_242x();
18f49ea2	437	omap2_map_common_io();
1dbae815 TL	438	}
	439
	440	MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
	441	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
1dbae815 TL	442	.phys_io = 0x48000000,
	443	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	444	.boot_params = 0x80000100,
	445	.map_io = omap_h4_map_io,
	446	.init_irq = omap_h4_init_irq,
	447	.init_machine = omap_h4_init,
	448	.timer = &omap_timer,
	449	MACHINE_END