[linux-2.6-block.git] / arch / arm / mach-omap2 / board-2430sdp.c

/*
 * linux/arch/arm/mach-omap2/board-2430sdp.c
 *
 * Copyright (C) 2006 Texas Instruments
 *
 * Modified from mach-omap2/board-generic.c
 *
 * Initial Code : Based on a patch from Komal Shah and Richard Woodruff
 * Updated the Code for 2430 SDP : Syed Mohammed Khasim
 *
 * 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/i2c/twl4030.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/gpio.h>
#include <mach/mux.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/gpmc.h>

#include "mmc-twl4030.h"

#define	SDP2430_FLASH_CS	0
#define	SDP2430_SMC91X_CS	5

static struct mtd_partition sdp2430_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
		.name		= "bootloader",
		.offset		= 0,
		.size		= SZ_256K,
		.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 sdp2430_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= sdp2430_partitions,
	.nr_parts	= ARRAY_SIZE(sdp2430_partitions),
};

static struct resource sdp2430_flash_resource = {
	.start		= SDP2430_CS0_BASE,
	.end		= SDP2430_CS0_BASE + SZ_64M - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device sdp2430_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev = {
		.platform_data	= &sdp2430_flash_data,
	},
	.num_resources	= 1,
	.resource	= &sdp2430_flash_resource,
};

static struct resource sdp2430_smc91x_resources[] = {
	[0] = {
		.start	= SDP2430_CS0_BASE,
		.end	= SDP2430_CS0_BASE + SZ_64M - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
		.end	= OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct platform_device sdp2430_smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(sdp2430_smc91x_resources),
	.resource	= sdp2430_smc91x_resources,
};

static struct platform_device *sdp2430_devices[] __initdata = {
	&sdp2430_smc91x_device,
	&sdp2430_flash_device,
};

static inline void __init sdp2430_init_smc91x(void)
{
	int eth_cs;
	unsigned long cs_mem_base;
	unsigned int rate;
	struct clk *gpmc_fck;

	eth_cs = SDP2430_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);

	/* Make sure CS1 timings are correct, for 2430 always muxed */
	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);

	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;
	}

	sdp2430_smc91x_resources[0].start = cs_mem_base + 0x300;
	sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f;
	udelay(100);

	if (gpio_request(OMAP24XX_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
			OMAP24XX_ETHR_GPIO_IRQ);
		gpmc_cs_free(eth_cs);
		goto out;
	}
	gpio_direction_input(OMAP24XX_ETHR_GPIO_IRQ);

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

static void __init omap_2430sdp_init_irq(void)
{
	omap2_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	sdp2430_init_smc91x();
}

static struct omap_uart_config sdp2430_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};

static struct omap_board_config_kernel sdp2430_config[] = {
	{OMAP_TAG_UART, &sdp2430_uart_config},
};


static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
};

static struct twl4030_platform_data sdp2430_twldata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.gpio		= &sdp2430_gpio_data,
};

static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("twl4030", 0x48),
		.flags = I2C_CLIENT_WAKE,
		.irq = INT_24XX_SYS_NIRQ,
		.platform_data = &sdp2430_twldata,
	},
};

static int __init omap2430_i2c_init(void)
{
	omap_register_i2c_bus(1, 400, NULL, 0);
	omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
			ARRAY_SIZE(sdp2430_i2c_boardinfo));
	return 0;
}

static struct twl4030_hsmmc_info mmc[] __initdata = {
	{
		.mmc		= 1,
		.wires		= 4,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.ext_clock	= 1,
	},
	{}	/* Terminator */
};

static void __init omap_2430sdp_init(void)
{
	omap2430_i2c_init();

	platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
	omap_board_config = sdp2430_config;
	omap_board_config_size = ARRAY_SIZE(sdp2430_config);
	omap_serial_init();
	twl4030_mmc_init(mmc);
}

static void __init omap_2430sdp_map_io(void)
{
	omap2_set_globals_243x();
	omap2_map_common_io();
}

MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
	/* Maintainer: Syed Khasim - Texas Instruments Inc */
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= omap_2430sdp_map_io,
	.init_irq	= omap_2430sdp_init_irq,
	.init_machine	= omap_2430sdp_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
72d0f1c3 SMK	1	/*
	2	* linux/arch/arm/mach-omap2/board-2430sdp.c
	3	*
	4	* Copyright (C) 2006 Texas Instruments
	5	*
	6	* Modified from mach-omap2/board-generic.c
	7	*
	8	* Initial Code : Based on a patch from Komal Shah and Richard Woodruff
	9	* Updated the Code for 2430 SDP : Syed Mohammed Khasim
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*/
	15
	16	#include <linux/kernel.h>
	17	#include <linux/init.h>
	18	#include <linux/platform_device.h>
	19	#include <linux/mtd/mtd.h>
	20	#include <linux/mtd/partitions.h>
	21	#include <linux/delay.h>
90c62bf0	22	#include <linux/i2c/twl4030.h>
72d0f1c3 SMK	23	#include <linux/err.h>
72d0f1c3 SMK	24	#include <linux/clk.h>
fced80c7	25	#include <linux/io.h>
72d0f1c3	26
a09e64fb	27	#include <mach/hardware.h>
72d0f1c3 SMK	28	#include <asm/mach-types.h>
	29	#include <asm/mach/arch.h>
	30	#include <asm/mach/map.h>
	31	#include <asm/mach/flash.h>
	32
a09e64fb RK	33	#include <mach/gpio.h>
	34	#include <mach/mux.h>
	35	#include <mach/board.h>
	36	#include <mach/common.h>
	37	#include <mach/gpmc.h>
72d0f1c3	38
90c62bf0	39	#include "mmc-twl4030.h"
72d0f1c3 SMK	40
	41	#define SDP2430_FLASH_CS 0
	42	#define SDP2430_SMC91X_CS 5
	43
	44	static struct mtd_partition sdp2430_partitions[] = {
	45	/* bootloader (U-Boot, etc) in first sector */
	46	{
	47	.name = "bootloader",
	48	.offset = 0,
	49	.size = SZ_256K,
	50	.mask_flags = MTD_WRITEABLE, /* force read-only */
	51	},
	52	/* bootloader params in the next sector */
	53	{
	54	.name = "params",
	55	.offset = MTDPART_OFS_APPEND,
	56	.size = SZ_128K,
	57	.mask_flags = 0,
	58	},
	59	/* kernel */
	60	{
	61	.name = "kernel",
	62	.offset = MTDPART_OFS_APPEND,
	63	.size = SZ_2M,
	64	.mask_flags = 0
	65	},
	66	/* file system */
	67	{
	68	.name = "filesystem",
	69	.offset = MTDPART_OFS_APPEND,
	70	.size = MTDPART_SIZ_FULL,
	71	.mask_flags = 0
	72	}
	73	};
	74
	75	static struct flash_platform_data sdp2430_flash_data = {
	76	.map_name = "cfi_probe",
	77	.width = 2,
	78	.parts = sdp2430_partitions,
	79	.nr_parts = ARRAY_SIZE(sdp2430_partitions),
	80	};
	81
	82	static struct resource sdp2430_flash_resource = {
	83	.start = SDP2430_CS0_BASE,
	84	.end = SDP2430_CS0_BASE + SZ_64M - 1,
	85	.flags = IORESOURCE_MEM,
	86	};
	87
	88	static struct platform_device sdp2430_flash_device = {
	89	.name = "omapflash",
	90	.id = 0,
	91	.dev = {
	92	.platform_data = &sdp2430_flash_data,
	93	},
	94	.num_resources = 1,
	95	.resource = &sdp2430_flash_resource,
	96	};
	97
	98	static struct resource sdp2430_smc91x_resources[] = {
	99	[0] = {
	100	.start = SDP2430_CS0_BASE,
	101	.end = SDP2430_CS0_BASE + SZ_64M - 1,
	102	.flags = IORESOURCE_MEM,
	103	},
104	[1] = {
105	.start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
106	.end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
a8149170	107	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
72d0f1c3 SMK	108	},
	109	};
	110
	111	static struct platform_device sdp2430_smc91x_device = {
	112	.name = "smc91x",
	113	.id = -1,
	114	.num_resources = ARRAY_SIZE(sdp2430_smc91x_resources),
	115	.resource = sdp2430_smc91x_resources,
	116	};
	117
	118	static struct platform_device *sdp2430_devices[] __initdata = {
	119	&sdp2430_smc91x_device,
	120	&sdp2430_flash_device,
	121	};
	122
	123	static inline void __init sdp2430_init_smc91x(void)
	124	{
	125	int eth_cs;
	126	unsigned long cs_mem_base;
	127	unsigned int rate;
44595982	128	struct clk *gpmc_fck;
72d0f1c3 SMK	129
	130	eth_cs = SDP2430_SMC91X_CS;
	131
44595982 PW	132	gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
	133	if (IS_ERR(gpmc_fck)) {
	134	WARN_ON(1);
	135	return;
	136	}
	137
	138	clk_enable(gpmc_fck);
	139	rate = clk_get_rate(gpmc_fck);
72d0f1c3 SMK	140
	141	/* Make sure CS1 timings are correct, for 2430 always muxed */
	142	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
	143
	144	if (rate >= 160000000) {
	145	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
	146	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
	147	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
	148	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	149	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	150	} else if (rate >= 130000000) {
	151	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	152	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	153	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	154	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	155	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	156	} else { /* rate = 100000000 */
	157	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	158	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	159	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	160	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
	161	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	162	}
	163
	164	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
	165	printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
44595982	166	goto out;
72d0f1c3 SMK	167	}
	168
	169	sdp2430_smc91x_resources[0].start = cs_mem_base + 0x300;
	170	sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f;
	171	udelay(100);
	172
f2d18fea	173	if (gpio_request(OMAP24XX_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
72d0f1c3 SMK	174	printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
	175	OMAP24XX_ETHR_GPIO_IRQ);
	176	gpmc_cs_free(eth_cs);
44595982	177	goto out;
72d0f1c3	178	}
40e3925b	179	gpio_direction_input(OMAP24XX_ETHR_GPIO_IRQ);
72d0f1c3	180
44595982 PW	181	out:
	182	clk_disable(gpmc_fck);
	183	clk_put(gpmc_fck);
72d0f1c3 SMK	184	}
	185
	186	static void __init omap_2430sdp_init_irq(void)
	187	{
	188	omap2_init_common_hw();
	189	omap_init_irq();
	190	omap_gpio_init();
	191	sdp2430_init_smc91x();
	192	}
	193
	194	static struct omap_uart_config sdp2430_uart_config __initdata = {
	195	.enabled_uarts = ((1 << 0) \| (1 << 1) \| (1 << 2)),
	196	};
	197
	198	static struct omap_board_config_kernel sdp2430_config[] = {
	199	{OMAP_TAG_UART, &sdp2430_uart_config},
	200	};
	201
90c62bf0 TL	202
	203	static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
	204	.gpio_base = OMAP_MAX_GPIO_LINES,
	205	.irq_base = TWL4030_GPIO_IRQ_BASE,
	206	.irq_end = TWL4030_GPIO_IRQ_END,
	207	};
	208
	209	static struct twl4030_platform_data sdp2430_twldata = {
	210	.irq_base = TWL4030_IRQ_BASE,
	211	.irq_end = TWL4030_IRQ_END,
	212
	213	/* platform_data for children goes here */
	214	.gpio = &sdp2430_gpio_data,
	215	};
	216
	217	static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
	218	{
	219	I2C_BOARD_INFO("twl4030", 0x48),
	220	.flags = I2C_CLIENT_WAKE,
	221	.irq = INT_24XX_SYS_NIRQ,
	222	.platform_data = &sdp2430_twldata,
	223	},
	224	};
	225
	226	static int __init omap2430_i2c_init(void)
	227	{
	228	omap_register_i2c_bus(1, 400, NULL, 0);
	229	omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
	230	ARRAY_SIZE(sdp2430_i2c_boardinfo));
	231	return 0;
	232	}
	233
	234	static struct twl4030_hsmmc_info mmc[] __initdata = {
	235	{
	236	.mmc = 1,
	237	.wires = 4,
	238	.gpio_cd = -EINVAL,
	239	.gpio_wp = -EINVAL,
	240	.ext_clock = 1,
	241	},
	242	{} /* Terminator */
	243	};
	244
72d0f1c3 SMK	245	static void __init omap_2430sdp_init(void)
72d0f1c3 SMK	246	{
90c62bf0 TL	247	omap2430_i2c_init();
90c62bf0 TL	248
72d0f1c3 SMK	249	platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
	250	omap_board_config = sdp2430_config;
	251	omap_board_config_size = ARRAY_SIZE(sdp2430_config);
	252	omap_serial_init();
90c62bf0	253	twl4030_mmc_init(mmc);
72d0f1c3 SMK	254	}
	255
	256	static void __init omap_2430sdp_map_io(void)
	257	{
c8d2eb8e	258	omap2_set_globals_243x();
72d0f1c3 SMK	259	omap2_map_common_io();
	260	}
	261
	262	MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
	263	/* Maintainer: Syed Khasim - Texas Instruments Inc */
	264	.phys_io = 0x48000000,
	265	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	266	.boot_params = 0x80000100,
	267	.map_io = omap_2430sdp_map_io,
	268	.init_irq = omap_2430sdp_init_irq,
	269	.init_machine = omap_2430sdp_init,
	270	.timer = &omap_timer,
	271	MACHINE_END