[mirror_ubuntu-artful-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/gpio.h>
#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/mtd/physmap.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 <linux/input/matrix_keypad.h>

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

#include <plat/usb.h>
#include <plat/board.h>
#include "common.h"
#include <plat/menelaus.h>
#include <plat/dma.h>
#include <plat/gpmc.h>

#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>

#include "mux.h"
#include "control.h"

#define H4_FLASH_CS	0
#define H4_SMC91X_CS	1

#define H4_ETHR_GPIO_IRQ		92

#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
static const uint32_t board_matrix_keys[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(1, 0, KEY_RIGHT),
	KEY(2, 0, KEY_A),
	KEY(3, 0, KEY_B),
	KEY(4, 0, KEY_C),
	KEY(0, 1, KEY_DOWN),
	KEY(1, 1, KEY_UP),
	KEY(2, 1, KEY_E),
	KEY(3, 1, KEY_F),
	KEY(4, 1, KEY_G),
	KEY(0, 2, KEY_ENTER),
	KEY(1, 2, KEY_I),
	KEY(2, 2, KEY_J),
	KEY(3, 2, KEY_K),
	KEY(4, 2, KEY_3),
	KEY(0, 3, KEY_M),
	KEY(1, 3, KEY_N),
	KEY(2, 3, KEY_O),
	KEY(3, 3, KEY_P),
	KEY(4, 3, KEY_Q),
	KEY(0, 4, KEY_R),
	KEY(1, 4, KEY_4),
	KEY(2, 4, KEY_T),
	KEY(3, 4, KEY_U),
	KEY(4, 4, KEY_ENTER),
	KEY(0, 5, KEY_V),
	KEY(1, 5, KEY_W),
	KEY(2, 5, KEY_L),
	KEY(3, 5, KEY_S),
	KEY(4, 5, KEY_ENTER),
};

static const struct matrix_keymap_data board_keymap_data = {
	.keymap			= board_matrix_keys,
	.keymap_size		= ARRAY_SIZE(board_matrix_keys),
};

static unsigned int board_keypad_row_gpios[] = {
	88, 89, 124, 11, 6, 96
};

static unsigned int board_keypad_col_gpios[] = {
	90, 91, 100, 36, 12, 97, 98
};

static struct matrix_keypad_platform_data board_keypad_platform_data = {
	.keymap_data	= &board_keymap_data,
	.row_gpios	= board_keypad_row_gpios,
	.num_row_gpios	= ARRAY_SIZE(board_keypad_row_gpios),
	.col_gpios	= board_keypad_col_gpios,
	.num_col_gpios	= ARRAY_SIZE(board_keypad_col_gpios),
	.active_low	= 1,

	.debounce_ms		= 20,
	.col_scan_delay_us	= 5,
};

static struct platform_device board_keyboard = {
	.name	= "matrix-keypad",
	.id	= -1,
	.dev	= {
		.platform_data = &board_keypad_platform_data,
	},
};
static void __init board_mkp_init(void)
{
	omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
	omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
	omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
	omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
	if (omap_has_menelaus()) {
		omap_mux_init_signal("sdrc_a14.gpio0",
			OMAP_PULL_ENA | OMAP_PULL_UP);
		omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
		omap_mux_init_signal("gpio_98", 0);
		board_keypad_row_gpios[5] = 0;
		board_keypad_col_gpios[2] = 15;
		board_keypad_col_gpios[6] = 18;
	} else {
		omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
		omap_mux_init_signal("gpio_100", 0);
		omap_mux_init_signal("gpio_98", 0);
	}
	omap_mux_init_signal("gpio_90", 0);
	omap_mux_init_signal("gpio_91", 0);
	omap_mux_init_signal("gpio_36", 0);
	omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
	omap_mux_init_signal("gpio_97", 0);

	platform_device_register(&board_keyboard);
}
#else
static inline void board_mkp_init(void)
{
}
#endif

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 physmap_flash_data h4_flash_data = {
	.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		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &h4_flash_data,
	},
	.num_resources	= 1,
	.resource	= &h4_flash_resource,
};

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

static struct panel_generic_dpi_data h4_panel_data = {
	.name			= "h4",
};

static struct omap_dss_device h4_lcd_device = {
	.name			= "lcd",
	.driver_name		= "generic_dpi_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 16,
	.data			= &h4_panel_data,
};

static struct omap_dss_device *h4_dss_devices[] = {
	&h4_lcd_device,
};

static struct omap_dss_board_info h4_dss_data = {
	.num_devices	= ARRAY_SIZE(h4_dss_devices),
	.devices	= h4_dss_devices,
	.default_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_mux_init_gpio(92, 0);
	if (debug_card_init(cs_mem_base, H4_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 struct omap_usb_config h4_usb_config __initdata = {
	/* S1.10 OFF -- usb "download port"
	 * usb0 switched to Mini-B port and isp1105 transceiver;
	 * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
	 */
	.register_dev	= 1,
	.pins[0]	= 3,
/*	.hmc_mode	= 0x14,*/	/* 0:dev 1:host 2:disable */
	.hmc_mode	= 0x00,		/* 0:dev|otg 1:disable 2:disable */
};

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),
	},
	{	/* EEPROM on mainboard */
		I2C_BOARD_INFO("24c01", 0x52),
		.platform_data	= &m24c01,
	},
	{	/* EEPROM on cpu card */
		I2C_BOARD_INFO("24c01", 0x57),
		.platform_data	= &m24c01,
	},
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static void __init omap_h4_init(void)
{
	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);

	/*
	 * 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.
	 */

	board_mkp_init();
	h4_i2c_board_info[0].irq = gpio_to_irq(125);
	i2c_register_board_info(1, h4_i2c_board_info,
			ARRAY_SIZE(h4_i2c_board_info));

	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
	omap2_usbfs_init(&h4_usb_config);
	omap_serial_init();
	omap_sdrc_init(NULL, NULL);
	h4_init_flash();

	omap_display_init(&h4_dss_data);
}

MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap242x_map_io,
	.init_early	= omap2420_init_early,
	.init_irq	= omap2_init_irq,
	.handle_irq	= omap2_intc_handle_irq,
	.init_machine	= omap_h4_init,
	.timer		= &omap2_timer,
	.restart	= omap_prcm_restart,
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	*/
2f8163ba	13	#include <linux/gpio.h>
1dbae815 TL	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>
561b036a	19	#include <linux/mtd/physmap.h>
1dbae815	20	#include <linux/delay.h>
9b6553cd	21	#include <linux/workqueue.h>
9df013b3	22	#include <linux/i2c.h>
6a769ed4	23	#include <linux/i2c/at24.h>
9b6553cd	24	#include <linux/input.h>
44595982 PW	25	#include <linux/err.h>
44595982 PW	26	#include <linux/clk.h>
fced80c7	27	#include <linux/io.h>
41eb2d81	28	#include <linux/input/matrix_keypad.h>
1dbae815	29
a09e64fb	30	#include <mach/hardware.h>
1dbae815 TL	31	#include <asm/mach-types.h>
	32	#include <asm/mach/arch.h>
	33	#include <asm/mach/map.h>
1dbae815	34
ce491cf8 TL	35	#include <plat/usb.h>
ce491cf8 TL	36	#include <plat/board.h>
4e65331c	37	#include "common.h"
ce491cf8 TL	38	#include <plat/menelaus.h>
	39	#include <plat/dma.h>
	40	#include <plat/gpmc.h>
1dbae815	41
cbf1455b TV	42	#include <video/omapdss.h>
	43	#include <video/omap-panel-generic-dpi.h>
	44
23275d45	45	#include "mux.h"
4814ced5	46	#include "control.h"
23275d45	47
44595982 PW	48	#define H4_FLASH_CS 0
	49	#define H4_SMC91X_CS 1
	50
40662d77 TL	51	#define H4_ETHR_GPIO_IRQ 92
40662d77 TL	52
41eb2d81 TL	53	#if defined(CONFIG_KEYBOARD_MATRIX) \|\| defined(CONFIG_KEYBOARD_MATRIX_MODULE)
41eb2d81 TL	54	static const uint32_t board_matrix_keys[] = {
9b6553cd	55	KEY(0, 0, KEY_LEFT),
da1f026b JK	56	KEY(1, 0, KEY_RIGHT),
	57	KEY(2, 0, KEY_A),
	58	KEY(3, 0, KEY_B),
	59	KEY(4, 0, KEY_C),
	60	KEY(0, 1, KEY_DOWN),
9b6553cd	61	KEY(1, 1, KEY_UP),
da1f026b JK	62	KEY(2, 1, KEY_E),
	63	KEY(3, 1, KEY_F),
	64	KEY(4, 1, KEY_G),
	65	KEY(0, 2, KEY_ENTER),
	66	KEY(1, 2, KEY_I),
9b6553cd	67	KEY(2, 2, KEY_J),
da1f026b JK	68	KEY(3, 2, KEY_K),
	69	KEY(4, 2, KEY_3),
	70	KEY(0, 3, KEY_M),
	71	KEY(1, 3, KEY_N),
	72	KEY(2, 3, KEY_O),
9b6553cd	73	KEY(3, 3, KEY_P),
da1f026b JK	74	KEY(4, 3, KEY_Q),
	75	KEY(0, 4, KEY_R),
	76	KEY(1, 4, KEY_4),
	77	KEY(2, 4, KEY_T),
	78	KEY(3, 4, KEY_U),
9b6553cd	79	KEY(4, 4, KEY_ENTER),
da1f026b JK	80	KEY(0, 5, KEY_V),
	81	KEY(1, 5, KEY_W),
	82	KEY(2, 5, KEY_L),
	83	KEY(3, 5, KEY_S),
	84	KEY(4, 5, KEY_ENTER),
9b6553cd TL	85	};
9b6553cd TL	86
41eb2d81 TL	87	static const struct matrix_keymap_data board_keymap_data = {
	88	.keymap = board_matrix_keys,
	89	.keymap_size = ARRAY_SIZE(board_matrix_keys),
	90	};
	91
	92	static unsigned int board_keypad_row_gpios[] = {
	93	88, 89, 124, 11, 6, 96
	94	};
	95
	96	static unsigned int board_keypad_col_gpios[] = {
	97	90, 91, 100, 36, 12, 97, 98
	98	};
	99
	100	static struct matrix_keypad_platform_data board_keypad_platform_data = {
	101	.keymap_data = &board_keymap_data,
	102	.row_gpios = board_keypad_row_gpios,
	103	.num_row_gpios = ARRAY_SIZE(board_keypad_row_gpios),
	104	.col_gpios = board_keypad_col_gpios,
	105	.num_col_gpios = ARRAY_SIZE(board_keypad_col_gpios),
	106	.active_low = 1,
	107
	108	.debounce_ms = 20,
	109	.col_scan_delay_us = 5,
	110	};
	111
	112	static struct platform_device board_keyboard = {
	113	.name = "matrix-keypad",
	114	.id = -1,
	115	.dev = {
	116	.platform_data = &board_keypad_platform_data,
	117	},
	118	};
	119	static void __init board_mkp_init(void)
	120	{
	121	omap_mux_init_gpio(88, OMAP_PULL_ENA \| OMAP_PULL_UP);
	122	omap_mux_init_gpio(89, OMAP_PULL_ENA \| OMAP_PULL_UP);
	123	omap_mux_init_gpio(124, OMAP_PULL_ENA \| OMAP_PULL_UP);
	124	omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA \| OMAP_PULL_UP);
	125	if (omap_has_menelaus()) {
	126	omap_mux_init_signal("sdrc_a14.gpio0",
	127	OMAP_PULL_ENA \| OMAP_PULL_UP);
	128	omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
	129	omap_mux_init_signal("gpio_98", 0);
	130	board_keypad_row_gpios[5] = 0;
	131	board_keypad_col_gpios[2] = 15;
	132	board_keypad_col_gpios[6] = 18;
	133	} else {
	134	omap_mux_init_signal("gpio_96", OMAP_PULL_ENA \| OMAP_PULL_UP);
	135	omap_mux_init_signal("gpio_100", 0);
	136	omap_mux_init_signal("gpio_98", 0);
	137	}
	138	omap_mux_init_signal("gpio_90", 0);
	139	omap_mux_init_signal("gpio_91", 0);
	140	omap_mux_init_signal("gpio_36", 0);
	141	omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
	142	omap_mux_init_signal("gpio_97", 0);
	143
	144	platform_device_register(&board_keyboard);
	145	}
	146	#else
	147	static inline void board_mkp_init(void)
	148	{
	149	}
	150	#endif
151
1dbae815 TL	152	static struct mtd_partition h4_partitions[] = {
	153	/* bootloader (U-Boot, etc) in first sector */
	154	{
	155	.name = "bootloader",
	156	.offset = 0,
	157	.size = SZ_128K,
	158	.mask_flags = MTD_WRITEABLE, /* force read-only */
	159	},
	160	/* bootloader params in the next sector */
	161	{
	162	.name = "params",
	163	.offset = MTDPART_OFS_APPEND,
	164	.size = SZ_128K,
	165	.mask_flags = 0,
	166	},
	167	/* kernel */
	168	{
	169	.name = "kernel",
	170	.offset = MTDPART_OFS_APPEND,
	171	.size = SZ_2M,
	172	.mask_flags = 0
	173	},
	174	/* file system */
	175	{
	176	.name = "filesystem",
	177	.offset = MTDPART_OFS_APPEND,
	178	.size = MTDPART_SIZ_FULL,
	179	.mask_flags = 0
	180	}
	181	};
	182
561b036a	183	static struct physmap_flash_data h4_flash_data = {
1dbae815 TL	184	.width = 2,
	185	.parts = h4_partitions,
	186	.nr_parts = ARRAY_SIZE(h4_partitions),
	187	};
	188
	189	static struct resource h4_flash_resource = {
1dbae815 TL	190	.flags = IORESOURCE_MEM,
	191	};
	192
	193	static struct platform_device h4_flash_device = {
561b036a	194	.name = "physmap-flash",
1dbae815 TL	195	.id = 0,
	196	.dev = {
	197	.platform_data = &h4_flash_data,
	198	},
	199	.num_resources = 1,
	200	.resource = &h4_flash_resource,
	201	};
	202
1dbae815	203	static struct platform_device *h4_devices[] __initdata = {
1dbae815	204	&h4_flash_device,
cbf1455b TV	205	};
	206
	207	static struct panel_generic_dpi_data h4_panel_data = {
	208	.name = "h4",
	209	};
	210
	211	static struct omap_dss_device h4_lcd_device = {
	212	.name = "lcd",
	213	.driver_name = "generic_dpi_panel",
	214	.type = OMAP_DISPLAY_TYPE_DPI,
	215	.phy.dpi.data_lines = 16,
	216	.data = &h4_panel_data,
	217	};
	218
	219	static struct omap_dss_device *h4_dss_devices[] = {
9b6553cd	220	&h4_lcd_device,
1dbae815 TL	221	};
1dbae815 TL	222
cbf1455b TV	223	static struct omap_dss_board_info h4_dss_data = {
	224	.num_devices = ARRAY_SIZE(h4_dss_devices),
	225	.devices = h4_dss_devices,
	226	.default_device = &h4_lcd_device,
	227	};
	228
44595982 PW	229	/* 2420 Sysboot setup (2430 is different) */
	230	static u32 get_sysboot_value(void)
	231	{
	232	return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
	233	(OMAP2_SYSBOOT_5_MASK \| OMAP2_SYSBOOT_4_MASK \|
	234	OMAP2_SYSBOOT_3_MASK \| OMAP2_SYSBOOT_2_MASK \|
	235	OMAP2_SYSBOOT_1_MASK \| OMAP2_SYSBOOT_0_MASK));
	236	}
	237
	238	/* H4-2420's always used muxed mode, H4-2422's always use non-muxed
	239	*
	240	* Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
	241	* correctly. The macro needs to look at production_id not just hawkeye.
	242	*/
	243	static u32 is_gpmc_muxed(void)
	244	{
	245	u32 mux;
	246	mux = get_sysboot_value();
	247	if ((mux & 0xF) == 0xd)
	248	return 1; /* NAND config (could be either) */
	249	if (mux & 0x2) /* if mux'ed */
	250	return 1;
	251	else
	252	return 0;
	253	}
	254
f6049312	255	static inline void __init h4_init_debug(void)
1dbae815	256	{
44595982 PW	257	int eth_cs;
	258	unsigned long cs_mem_base;
	259	unsigned int muxed, rate;
	260	struct clk *gpmc_fck;
	261
	262	eth_cs = H4_SMC91X_CS;
	263
	264	gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
	265	if (IS_ERR(gpmc_fck)) {
	266	WARN_ON(1);
	267	return;
	268	}
	269
	270	clk_enable(gpmc_fck);
	271	rate = clk_get_rate(gpmc_fck);
	272	clk_disable(gpmc_fck);
	273	clk_put(gpmc_fck);
	274
	275	if (is_gpmc_muxed())
	276	muxed = 0x200;
	277	else
	278	muxed = 0;
	279
1dbae815	280	/* Make sure CS1 timings are correct */
44595982 PW	281	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
	282	0x00011000 \| muxed);
	283
	284	if (rate >= 160000000) {
	285	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
	286	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
	287	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
	288	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	289	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	290	} else if (rate >= 130000000) {
	291	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	292	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	293	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	294	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	295	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	296	} else {/* rate = 100000000 */
	297	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	298	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	299	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	300	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
	301	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	302	}
	303
	304	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
	305	printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
	306	goto out;
	307	}
	308
1dbae815 TL	309	udelay(100);
1dbae815 TL	310
f99bf16d	311	omap_mux_init_gpio(92, 0);
40662d77	312	if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
f6049312	313	gpmc_cs_free(eth_cs);
44595982 PW	314
	315	out:
	316	clk_disable(gpmc_fck);
	317	clk_put(gpmc_fck);
	318	}
	319
	320	static void __init h4_init_flash(void)
	321	{
	322	unsigned long base;
	323
	324	if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
	325	printk("Can't request GPMC CS for flash\n");
	326	return;
	327	}
	328	h4_flash_resource.start = base;
	329	h4_flash_resource.end = base + SZ_64M - 1;
1dbae815 TL	330	}
1dbae815 TL	331
b0b5aa3f	332	static struct omap_usb_config h4_usb_config __initdata = {
b0b5aa3f FB	333	/* S1.10 OFF -- usb "download port"
	334	* usb0 switched to Mini-B port and isp1105 transceiver;
	335	* S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
	336	*/
	337	.register_dev = 1,
	338	.pins[0] = 3,
	339	/* .hmc_mode = 0x14,/ / 0:dev 1:host 2:disable */
	340	.hmc_mode = 0x00, /* 0:dev\|otg 1:disable 2:disable */
b0b5aa3f FB	341	};
b0b5aa3f FB	342
6a769ed4 DB	343	static struct at24_platform_data m24c01 = {
	344	.byte_len = SZ_1K / 8,
	345	.page_size = 16,
	346	};
	347
9df013b3 JD	348	static struct i2c_board_info __initdata h4_i2c_board_info[] = {
	349	{
	350	I2C_BOARD_INFO("isp1301_omap", 0x2d),
9df013b3	351	},
6a769ed4 DB	352	{ /* EEPROM on mainboard */
	353	I2C_BOARD_INFO("24c01", 0x52),
	354	.platform_data = &m24c01,
	355	},
	356	{ /* EEPROM on cpu card */
	357	I2C_BOARD_INFO("24c01", 0x57),
	358	.platform_data = &m24c01,
	359	},
9df013b3 JD	360	};
9df013b3 JD	361
23275d45 TL	362	#ifdef CONFIG_OMAP_MUX
	363	static struct omap_board_mux board_mux[] __initdata = {
	364	{ .reg_offset = OMAP_MUX_TERMINATOR },
	365	};
23275d45 TL	366	#endif
23275d45 TL	367
1dbae815 TL	368	static void __init omap_h4_init(void)
1dbae815 TL	369	{
23275d45 TL	370	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);
23275d45 TL	371
1dbae815 TL	372	/*
	373	* Make sure the serial ports are muxed on at this point.
	374	* You have to mux them off in device drivers later on
	375	* if not needed.
	376	*/
9b6553cd	377
41eb2d81	378	board_mkp_init();
46a0a540	379	h4_i2c_board_info[0].irq = gpio_to_irq(125);
9df013b3 JD	380	i2c_register_board_info(1, h4_i2c_board_info,
	381	ARRAY_SIZE(h4_i2c_board_info));
	382
1dbae815	383	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
b5e8905b	384	omap2_usbfs_init(&h4_usb_config);
1dbae815	385	omap_serial_init();
a4ca9dbe	386	omap_sdrc_init(NULL, NULL);
42924355	387	h4_init_flash();
cbf1455b TV	388
cbf1455b TV	389	omap_display_init(&h4_dss_data);
1dbae815 TL	390	}
1dbae815 TL	391
1dbae815 TL	392	MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
1dbae815 TL	393	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
5e52b435	394	.atag_offset = 0x100,
71ee7dad	395	.reserve = omap_reserve,
e990a406	396	.map_io = omap242x_map_io,
8f5b5a41	397	.init_early = omap2420_init_early,
be732460	398	.init_irq = omap2_init_irq,
6b2f55d7	399	.handle_irq = omap2_intc_handle_irq,
1dbae815	400	.init_machine = omap_h4_init,
e74984e4	401	.timer = &omap2_timer,
baa95883	402	.restart = omap_prcm_restart,
1dbae815	403	MACHINE_END