[deliverable/linux.git] / arch / arm / mach-clps711x / board-edb7211.c

/*
 *  Copyright (C) 2000, 2001 Blue Mug, Inc.  All Rights Reserved.
 *
 * 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/init.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/memblock.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/backlight.h>
#include <linux/platform_device.h>

#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>

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

#include <video/platform_lcd.h>

#include <mach/hardware.h>

#include "common.h"

#define VIDEORAM_SIZE		SZ_128K

#define EDB7211_LCD_DC_DC_EN	CLPS711X_GPIO(3, 1)
#define EDB7211_LCDEN		CLPS711X_GPIO(3, 2)
#define EDB7211_LCDBL		CLPS711X_GPIO(3, 3)

#define EDB7211_FLASH0_BASE	(CS0_PHYS_BASE)
#define EDB7211_FLASH1_BASE	(CS1_PHYS_BASE)
#define EDB7211_CS8900_BASE	(CS2_PHYS_BASE + 0x300)
#define EDB7211_CS8900_IRQ	(IRQ_EINT3)

static struct resource edb7211_cs8900_resource[] __initdata = {
	DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
	DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
};

static struct mtd_partition edb7211_flash_partitions[] __initdata = {
	{
		.name	= "Flash",
		.offset	= 0,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data edb7211_flash_pdata __initdata = {
	.width		= 4,
	.parts		= edb7211_flash_partitions,
	.nr_parts	= ARRAY_SIZE(edb7211_flash_partitions),
};

static struct resource edb7211_flash_resources[] __initdata = {
	DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M),
	DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M),
};

static struct platform_device edb7211_flash_pdev __initdata = {
	.name		= "physmap-flash",
	.id		= 0,
	.resource	= edb7211_flash_resources,
	.num_resources	= ARRAY_SIZE(edb7211_flash_resources),
	.dev	= {
		.platform_data	= &edb7211_flash_pdata,
	},
};

static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
{
	if (power) {
		gpio_set_value(EDB7211_LCDEN, 1);
		udelay(100);
		gpio_set_value(EDB7211_LCD_DC_DC_EN, 1);
	} else {
		gpio_set_value(EDB7211_LCD_DC_DC_EN, 0);
		udelay(100);
		gpio_set_value(EDB7211_LCDEN, 0);
	}
}

static struct plat_lcd_data edb7211_lcd_power_pdata = {
	.set_power	= edb7211_lcd_power_set,
};

static void edb7211_lcd_backlight_set_intensity(int intensity)
{
	gpio_set_value(EDB7211_LCDBL, intensity);
}

static struct generic_bl_info edb7211_lcd_backlight_pdata = {
	.name			= "lcd-backlight.0",
	.default_intensity	= 0x01,
	.max_intensity		= 0x01,
	.set_bl_intensity	= edb7211_lcd_backlight_set_intensity,
};

static struct gpio edb7211_gpios[] __initconst = {
	{ EDB7211_LCD_DC_DC_EN,	GPIOF_OUT_INIT_LOW,	"LCD DC-DC" },
	{ EDB7211_LCDEN,	GPIOF_OUT_INIT_LOW,	"LCD POWER" },
	{ EDB7211_LCDBL,	GPIOF_OUT_INIT_LOW,	"LCD BACKLIGHT" },
};

static struct map_desc edb7211_io_desc[] __initdata = {
	{	/* Memory-mapped extra keyboard row */
		.virtual	= IO_ADDRESS(EP7211_PHYS_EXTKBD),
		.pfn		= __phys_to_pfn(EP7211_PHYS_EXTKBD),
		.length		= SZ_1M,
		.type		= MT_DEVICE,
	},
};

void __init edb7211_map_io(void)
{
	clps711x_map_io();
	iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc));
}

/* Reserve screen memory region at the start of main system memory. */
static void __init edb7211_reserve(void)
{
	memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE);
}

static void __init
fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
{
	/*
	 * Bank start addresses are not present in the information
	 * passed in from the boot loader.  We could potentially
	 * detect them, but instead we hard-code them.
	 *
	 * Banks sizes _are_ present in the param block, but we're
	 * not using that information yet.
	 */
	mi->bank[0].start = 0xc0000000;
	mi->bank[0].size = SZ_8M;
	mi->bank[1].start = 0xc1000000;
	mi->bank[1].size = SZ_8M;
	mi->nr_banks = 2;
}

static void __init edb7211_init(void)
{
	gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));

	platform_device_register(&edb7211_flash_pdev);
	platform_device_register_data(&platform_bus, "platform-lcd", 0,
				      &edb7211_lcd_power_pdata,
				      sizeof(edb7211_lcd_power_pdata));
	platform_device_register_data(&platform_bus, "generic-bl", 0,
				      &edb7211_lcd_backlight_pdata,
				      sizeof(edb7211_lcd_backlight_pdata));
	platform_device_register_simple("video-clps711x", 0, NULL, 0);
	platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
					ARRAY_SIZE(edb7211_cs8900_resource));
}

MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
	/* Maintainer: Jon McClintock */
	.atag_offset	= VIDEORAM_SIZE + 0x100,
	.nr_irqs	= CLPS711X_NR_IRQS,
	.fixup		= fixup_edb7211,
	.reserve	= edb7211_reserve,
	.map_io		= edb7211_map_io,
	.init_irq	= clps711x_init_irq,
	.init_time	= clps711x_timer_init,
	.init_machine	= edb7211_init,
	.handle_irq	= clps711x_handle_irq,
	.restart	= clps711x_restart,
MACHINE_END
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	* Copyright (C) 2000, 2001 Blue Mug, Inc. All Rights Reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
1da177e4	8	*/
2a552891	9
1da177e4	10	#include <linux/init.h>
87c37b51 AS	11	#include <linux/gpio.h>
87c37b51 AS	12	#include <linux/delay.h>
8d717a52	13	#include <linux/memblock.h>
1da177e4	14	#include <linux/types.h>
200daa36	15	#include <linux/interrupt.h>
94760bf2	16	#include <linux/backlight.h>
200daa36	17	#include <linux/platform_device.h>
1da177e4	18
96754a1f AS	19	#include <linux/mtd/physmap.h>
	20	#include <linux/mtd/partitions.h>
	21
1da177e4	22	#include <asm/setup.h>
2a552891	23	#include <asm/mach/map.h>
1da177e4	24	#include <asm/mach/arch.h>
2a552891 AS	25	#include <asm/mach-types.h>
2a552891 AS	26
87c37b51 AS	27	#include <video/platform_lcd.h>
87c37b51 AS	28
2a552891	29	#include <mach/hardware.h>
1da177e4 LT	30
	31	#include "common.h"
	32
200daa36 AS	33	#define VIDEORAM_SIZE SZ_128K
200daa36 AS	34
87c37b51 AS	35	#define EDB7211_LCD_DC_DC_EN CLPS711X_GPIO(3, 1)
87c37b51 AS	36	#define EDB7211_LCDEN CLPS711X_GPIO(3, 2)
94760bf2	37	#define EDB7211_LCDBL CLPS711X_GPIO(3, 3)
87c37b51	38
96754a1f AS	39	#define EDB7211_FLASH0_BASE (CS0_PHYS_BASE)
96754a1f AS	40	#define EDB7211_FLASH1_BASE (CS1_PHYS_BASE)
200daa36 AS	41	#define EDB7211_CS8900_BASE (CS2_PHYS_BASE + 0x300)
	42	#define EDB7211_CS8900_IRQ (IRQ_EINT3)
	43
	44	static struct resource edb7211_cs8900_resource[] __initdata = {
	45	DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
	46	DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
	47	};
2a552891	48
96754a1f AS	49	static struct mtd_partition edb7211_flash_partitions[] __initdata = {
	50	{
	51	.name = "Flash",
	52	.offset = 0,
	53	.size = MTDPART_SIZ_FULL,
	54	},
	55	};
	56
	57	static struct physmap_flash_data edb7211_flash_pdata __initdata = {
	58	.width = 4,
	59	.parts = edb7211_flash_partitions,
	60	.nr_parts = ARRAY_SIZE(edb7211_flash_partitions),
	61	};
	62
	63	static struct resource edb7211_flash_resources[] __initdata = {
	64	DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M),
	65	DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M),
	66	};
	67
	68	static struct platform_device edb7211_flash_pdev __initdata = {
	69	.name = "physmap-flash",
	70	.id = 0,
	71	.resource = edb7211_flash_resources,
	72	.num_resources = ARRAY_SIZE(edb7211_flash_resources),
	73	.dev = {
	74	.platform_data = &edb7211_flash_pdata,
	75	},
	76	};
	77
87c37b51 AS	78	static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
	79	{
	80	if (power) {
	81	gpio_set_value(EDB7211_LCDEN, 1);
	82	udelay(100);
	83	gpio_set_value(EDB7211_LCD_DC_DC_EN, 1);
	84	} else {
	85	gpio_set_value(EDB7211_LCD_DC_DC_EN, 0);
	86	udelay(100);
	87	gpio_set_value(EDB7211_LCDEN, 0);
	88	}
	89	}
	90
	91	static struct plat_lcd_data edb7211_lcd_power_pdata = {
	92	.set_power = edb7211_lcd_power_set,
	93	};
	94
94760bf2 AS	95	static void edb7211_lcd_backlight_set_intensity(int intensity)
	96	{
	97	gpio_set_value(EDB7211_LCDBL, intensity);
	98	}
	99
	100	static struct generic_bl_info edb7211_lcd_backlight_pdata = {
	101	.name = "lcd-backlight.0",
	102	.default_intensity = 0x01,
	103	.max_intensity = 0x01,
	104	.set_bl_intensity = edb7211_lcd_backlight_set_intensity,
	105	};
	106
87c37b51 AS	107	static struct gpio edb7211_gpios[] __initconst = {
	108	{ EDB7211_LCD_DC_DC_EN, GPIOF_OUT_INIT_LOW, "LCD DC-DC" },
	109	{ EDB7211_LCDEN, GPIOF_OUT_INIT_LOW, "LCD POWER" },
94760bf2	110	{ EDB7211_LCDBL, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT" },
87c37b51 AS	111	};
87c37b51 AS	112
2a552891 AS	113	static struct map_desc edb7211_io_desc[] __initdata = {
	114	{ /* Memory-mapped extra keyboard row */
	115	.virtual = IO_ADDRESS(EP7211_PHYS_EXTKBD),
	116	.pfn = __phys_to_pfn(EP7211_PHYS_EXTKBD),
	117	.length = SZ_1M,
	118	.type = MT_DEVICE,
2a552891 AS	119	},
	120	};
	121
	122	void __init edb7211_map_io(void)
	123	{
	124	clps711x_map_io();
	125	iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc));
	126	}
1da177e4	127
98c672cf RK	128	/* Reserve screen memory region at the start of main system memory. */
	129	static void __init edb7211_reserve(void)
	130	{
2a552891	131	memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE);
98c672cf RK	132	}
98c672cf RK	133
1da177e4	134	static void __init
0744a3ee	135	fixup_edb7211(struct tag tags, char cmdline, struct meminfo mi)
1da177e4 LT	136	{
	137	/*
	138	* Bank start addresses are not present in the information
	139	* passed in from the boot loader. We could potentially
	140	* detect them, but instead we hard-code them.
	141	*
	142	* Banks sizes _are_ present in the param block, but we're
	143	* not using that information yet.
	144	*/
	145	mi->bank[0].start = 0xc0000000;
2a552891	146	mi->bank[0].size = SZ_8M;
1da177e4	147	mi->bank[1].start = 0xc1000000;
2a552891	148	mi->bank[1].size = SZ_8M;
1da177e4 LT	149	mi->nr_banks = 2;
	150	}
	151
200daa36 AS	152	static void __init edb7211_init(void)
200daa36 AS	153	{
87c37b51 AS	154	gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));
87c37b51 AS	155
96754a1f	156	platform_device_register(&edb7211_flash_pdev);
87c37b51 AS	157	platform_device_register_data(&platform_bus, "platform-lcd", 0,
	158	&edb7211_lcd_power_pdata,
	159	sizeof(edb7211_lcd_power_pdata));
94760bf2 AS	160	platform_device_register_data(&platform_bus, "generic-bl", 0,
	161	&edb7211_lcd_backlight_pdata,
	162	sizeof(edb7211_lcd_backlight_pdata));
dd850f12	163	platform_device_register_simple("video-clps711x", 0, NULL, 0);
200daa36 AS	164	platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
	165	ARRAY_SIZE(edb7211_cs8900_resource));
	166	}
	167
1da177e4	168	MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
e9dea0c6	169	/* Maintainer: Jon McClintock */
2a552891	170	.atag_offset = VIDEORAM_SIZE + 0x100,
0d8be81c	171	.nr_irqs = CLPS711X_NR_IRQS,
e9dea0c6	172	.fixup = fixup_edb7211,
98c672cf	173	.reserve = edb7211_reserve,
200daa36	174	.map_io = edb7211_map_io,
e9dea0c6	175	.init_irq = clps711x_init_irq,
6bb27d73	176	.init_time = clps711x_timer_init,
200daa36	177	.init_machine = edb7211_init,
99f04c8f	178	.handle_irq = clps711x_handle_irq,
6c000712	179	.restart = clps711x_restart,
1da177e4	180	MACHINE_END