[deliverable/linux.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 "common.h"
#include <plat/menelaus.h>
#include <plat/dma.h>
#include <plat/gpmc.h>
#include <plat/debug-devices.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 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));
	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,
	.init_late	= omap2420_init_late,
	.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
4e65331c	35	#include "common.h"
ce491cf8 TL	36	#include <plat/menelaus.h>
	37	#include <plat/dma.h>
	38	#include <plat/gpmc.h>
801475cc	39	#include <plat/debug-devices.h>
1dbae815	40
cbf1455b TV	41	#include <video/omapdss.h>
	42	#include <video/omap-panel-generic-dpi.h>
	43
23275d45	44	#include "mux.h"
4814ced5	45	#include "control.h"
23275d45	46
44595982 PW	47	#define H4_FLASH_CS 0
	48	#define H4_SMC91X_CS 1
	49
40662d77 TL	50	#define H4_ETHR_GPIO_IRQ 92
40662d77 TL	51
41eb2d81 TL	52	#if defined(CONFIG_KEYBOARD_MATRIX) \|\| defined(CONFIG_KEYBOARD_MATRIX_MODULE)
41eb2d81 TL	53	static const uint32_t board_matrix_keys[] = {
9b6553cd	54	KEY(0, 0, KEY_LEFT),
da1f026b JK	55	KEY(1, 0, KEY_RIGHT),
	56	KEY(2, 0, KEY_A),
	57	KEY(3, 0, KEY_B),
	58	KEY(4, 0, KEY_C),
	59	KEY(0, 1, KEY_DOWN),
9b6553cd	60	KEY(1, 1, KEY_UP),
da1f026b JK	61	KEY(2, 1, KEY_E),
	62	KEY(3, 1, KEY_F),
	63	KEY(4, 1, KEY_G),
	64	KEY(0, 2, KEY_ENTER),
	65	KEY(1, 2, KEY_I),
9b6553cd	66	KEY(2, 2, KEY_J),
da1f026b JK	67	KEY(3, 2, KEY_K),
	68	KEY(4, 2, KEY_3),
	69	KEY(0, 3, KEY_M),
	70	KEY(1, 3, KEY_N),
	71	KEY(2, 3, KEY_O),
9b6553cd	72	KEY(3, 3, KEY_P),
da1f026b JK	73	KEY(4, 3, KEY_Q),
	74	KEY(0, 4, KEY_R),
	75	KEY(1, 4, KEY_4),
	76	KEY(2, 4, KEY_T),
	77	KEY(3, 4, KEY_U),
9b6553cd	78	KEY(4, 4, KEY_ENTER),
da1f026b JK	79	KEY(0, 5, KEY_V),
	80	KEY(1, 5, KEY_W),
	81	KEY(2, 5, KEY_L),
	82	KEY(3, 5, KEY_S),
	83	KEY(4, 5, KEY_ENTER),
9b6553cd TL	84	};
9b6553cd TL	85
41eb2d81 TL	86	static const struct matrix_keymap_data board_keymap_data = {
	87	.keymap = board_matrix_keys,
	88	.keymap_size = ARRAY_SIZE(board_matrix_keys),
	89	};
	90
	91	static unsigned int board_keypad_row_gpios[] = {
	92	88, 89, 124, 11, 6, 96
	93	};
	94
	95	static unsigned int board_keypad_col_gpios[] = {
	96	90, 91, 100, 36, 12, 97, 98
	97	};
	98
	99	static struct matrix_keypad_platform_data board_keypad_platform_data = {
	100	.keymap_data = &board_keymap_data,
	101	.row_gpios = board_keypad_row_gpios,
	102	.num_row_gpios = ARRAY_SIZE(board_keypad_row_gpios),
	103	.col_gpios = board_keypad_col_gpios,
	104	.num_col_gpios = ARRAY_SIZE(board_keypad_col_gpios),
	105	.active_low = 1,
	106
	107	.debounce_ms = 20,
	108	.col_scan_delay_us = 5,
	109	};
	110
	111	static struct platform_device board_keyboard = {
	112	.name = "matrix-keypad",
	113	.id = -1,
	114	.dev = {
	115	.platform_data = &board_keypad_platform_data,
	116	},
	117	};
	118	static void __init board_mkp_init(void)
	119	{
	120	omap_mux_init_gpio(88, OMAP_PULL_ENA \| OMAP_PULL_UP);
	121	omap_mux_init_gpio(89, OMAP_PULL_ENA \| OMAP_PULL_UP);
	122	omap_mux_init_gpio(124, OMAP_PULL_ENA \| OMAP_PULL_UP);
	123	omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA \| OMAP_PULL_UP);
	124	if (omap_has_menelaus()) {
	125	omap_mux_init_signal("sdrc_a14.gpio0",
	126	OMAP_PULL_ENA \| OMAP_PULL_UP);
	127	omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
	128	omap_mux_init_signal("gpio_98", 0);
	129	board_keypad_row_gpios[5] = 0;
	130	board_keypad_col_gpios[2] = 15;
	131	board_keypad_col_gpios[6] = 18;
	132	} else {
	133	omap_mux_init_signal("gpio_96", OMAP_PULL_ENA \| OMAP_PULL_UP);
	134	omap_mux_init_signal("gpio_100", 0);
	135	omap_mux_init_signal("gpio_98", 0);
	136	}
	137	omap_mux_init_signal("gpio_90", 0);
	138	omap_mux_init_signal("gpio_91", 0);
	139	omap_mux_init_signal("gpio_36", 0);
	140	omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
	141	omap_mux_init_signal("gpio_97", 0);
	142
	143	platform_device_register(&board_keyboard);
	144	}
	145	#else
	146	static inline void board_mkp_init(void)
	147	{
	148	}
	149	#endif
150
1dbae815 TL	151	static struct mtd_partition h4_partitions[] = {
	152	/* bootloader (U-Boot, etc) in first sector */
	153	{
	154	.name = "bootloader",
	155	.offset = 0,
	156	.size = SZ_128K,
	157	.mask_flags = MTD_WRITEABLE, /* force read-only */
	158	},
	159	/* bootloader params in the next sector */
	160	{
	161	.name = "params",
	162	.offset = MTDPART_OFS_APPEND,
	163	.size = SZ_128K,
	164	.mask_flags = 0,
	165	},
	166	/* kernel */
	167	{
	168	.name = "kernel",
	169	.offset = MTDPART_OFS_APPEND,
	170	.size = SZ_2M,
	171	.mask_flags = 0
	172	},
	173	/* file system */
	174	{
	175	.name = "filesystem",
	176	.offset = MTDPART_OFS_APPEND,
	177	.size = MTDPART_SIZ_FULL,
	178	.mask_flags = 0
	179	}
	180	};
	181
561b036a	182	static struct physmap_flash_data h4_flash_data = {
1dbae815 TL	183	.width = 2,
	184	.parts = h4_partitions,
	185	.nr_parts = ARRAY_SIZE(h4_partitions),
	186	};
	187
	188	static struct resource h4_flash_resource = {
1dbae815 TL	189	.flags = IORESOURCE_MEM,
	190	};
	191
	192	static struct platform_device h4_flash_device = {
561b036a	193	.name = "physmap-flash",
1dbae815 TL	194	.id = 0,
	195	.dev = {
	196	.platform_data = &h4_flash_data,
	197	},
	198	.num_resources = 1,
	199	.resource = &h4_flash_resource,
	200	};
	201
1dbae815	202	static struct platform_device *h4_devices[] __initdata = {
1dbae815	203	&h4_flash_device,
cbf1455b TV	204	};
	205
	206	static struct panel_generic_dpi_data h4_panel_data = {
	207	.name = "h4",
	208	};
	209
	210	static struct omap_dss_device h4_lcd_device = {
	211	.name = "lcd",
	212	.driver_name = "generic_dpi_panel",
	213	.type = OMAP_DISPLAY_TYPE_DPI,
	214	.phy.dpi.data_lines = 16,
	215	.data = &h4_panel_data,
	216	};
	217
	218	static struct omap_dss_device *h4_dss_devices[] = {
9b6553cd	219	&h4_lcd_device,
1dbae815 TL	220	};
1dbae815 TL	221
cbf1455b TV	222	static struct omap_dss_board_info h4_dss_data = {
	223	.num_devices = ARRAY_SIZE(h4_dss_devices),
	224	.devices = h4_dss_devices,
	225	.default_device = &h4_lcd_device,
	226	};
	227
44595982 PW	228	/* 2420 Sysboot setup (2430 is different) */
	229	static u32 get_sysboot_value(void)
	230	{
	231	return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
	232	(OMAP2_SYSBOOT_5_MASK \| OMAP2_SYSBOOT_4_MASK \|
	233	OMAP2_SYSBOOT_3_MASK \| OMAP2_SYSBOOT_2_MASK \|
	234	OMAP2_SYSBOOT_1_MASK \| OMAP2_SYSBOOT_0_MASK));
	235	}
	236
	237	/* H4-2420's always used muxed mode, H4-2422's always use non-muxed
	238	*
	239	* Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
	240	* correctly. The macro needs to look at production_id not just hawkeye.
	241	*/
	242	static u32 is_gpmc_muxed(void)
	243	{
	244	u32 mux;
	245	mux = get_sysboot_value();
	246	if ((mux & 0xF) == 0xd)
	247	return 1; /* NAND config (could be either) */
	248	if (mux & 0x2) /* if mux'ed */
	249	return 1;
	250	else
	251	return 0;
	252	}
	253
f6049312	254	static inline void __init h4_init_debug(void)
1dbae815	255	{
44595982 PW	256	int eth_cs;
	257	unsigned long cs_mem_base;
	258	unsigned int muxed, rate;
	259	struct clk *gpmc_fck;
	260
	261	eth_cs = H4_SMC91X_CS;
	262
	263	gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
	264	if (IS_ERR(gpmc_fck)) {
	265	WARN_ON(1);
	266	return;
	267	}
	268
	269	clk_enable(gpmc_fck);
	270	rate = clk_get_rate(gpmc_fck);
	271	clk_disable(gpmc_fck);
	272	clk_put(gpmc_fck);
	273
	274	if (is_gpmc_muxed())
	275	muxed = 0x200;
	276	else
	277	muxed = 0;
	278
1dbae815	279	/* Make sure CS1 timings are correct */
44595982 PW	280	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
	281	0x00011000 \| muxed);
	282
	283	if (rate >= 160000000) {
	284	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
	285	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
	286	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
	287	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	288	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	289	} else if (rate >= 130000000) {
	290	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	291	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	292	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	293	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	294	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	295	} else {/* rate = 100000000 */
	296	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	297	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	298	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	299	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
	300	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	301	}
	302
	303	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
	304	printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
	305	goto out;
	306	}
	307
1dbae815 TL	308	udelay(100);
1dbae815 TL	309
f99bf16d	310	omap_mux_init_gpio(92, 0);
40662d77	311	if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
f6049312	312	gpmc_cs_free(eth_cs);
44595982 PW	313
	314	out:
	315	clk_disable(gpmc_fck);
	316	clk_put(gpmc_fck);
	317	}
	318
	319	static void __init h4_init_flash(void)
	320	{
	321	unsigned long base;
	322
	323	if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
	324	printk("Can't request GPMC CS for flash\n");
	325	return;
	326	}
	327	h4_flash_resource.start = base;
	328	h4_flash_resource.end = base + SZ_64M - 1;
1dbae815 TL	329	}
1dbae815 TL	330
6a769ed4 DB	331	static struct at24_platform_data m24c01 = {
	332	.byte_len = SZ_1K / 8,
	333	.page_size = 16,
	334	};
	335
9df013b3 JD	336	static struct i2c_board_info __initdata h4_i2c_board_info[] = {
	337	{
	338	I2C_BOARD_INFO("isp1301_omap", 0x2d),
9df013b3	339	},
6a769ed4 DB	340	{ /* EEPROM on mainboard */
	341	I2C_BOARD_INFO("24c01", 0x52),
	342	.platform_data = &m24c01,
	343	},
	344	{ /* EEPROM on cpu card */
	345	I2C_BOARD_INFO("24c01", 0x57),
	346	.platform_data = &m24c01,
	347	},
9df013b3 JD	348	};
9df013b3 JD	349
23275d45 TL	350	#ifdef CONFIG_OMAP_MUX
	351	static struct omap_board_mux board_mux[] __initdata = {
	352	{ .reg_offset = OMAP_MUX_TERMINATOR },
	353	};
23275d45 TL	354	#endif
23275d45 TL	355
1dbae815 TL	356	static void __init omap_h4_init(void)
1dbae815 TL	357	{
23275d45 TL	358	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);
23275d45 TL	359
1dbae815 TL	360	/*
	361	* Make sure the serial ports are muxed on at this point.
	362	* You have to mux them off in device drivers later on
	363	* if not needed.
	364	*/
9b6553cd	365
41eb2d81	366	board_mkp_init();
46a0a540	367	h4_i2c_board_info[0].irq = gpio_to_irq(125);
9df013b3 JD	368	i2c_register_board_info(1, h4_i2c_board_info,
	369	ARRAY_SIZE(h4_i2c_board_info));
	370
1dbae815	371	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
1dbae815	372	omap_serial_init();
a4ca9dbe	373	omap_sdrc_init(NULL, NULL);
42924355	374	h4_init_flash();
cbf1455b TV	375
cbf1455b TV	376	omap_display_init(&h4_dss_data);
1dbae815 TL	377	}
1dbae815 TL	378
1dbae815 TL	379	MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
1dbae815 TL	380	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
5e52b435	381	.atag_offset = 0x100,
71ee7dad	382	.reserve = omap_reserve,
e990a406	383	.map_io = omap242x_map_io,
8f5b5a41	384	.init_early = omap2420_init_early,
be732460	385	.init_irq = omap2_init_irq,
6b2f55d7	386	.handle_irq = omap2_intc_handle_irq,
1dbae815	387	.init_machine = omap_h4_init,
bbd707ac	388	.init_late = omap2420_init_late,
e74984e4	389	.timer = &omap2_timer,
baa95883	390	.restart = omap_prcm_restart,
1dbae815	391	MACHINE_END