[net-next-2.6.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 <mach/usb.h>

#include "mmc-twl4030.h"

#define SDP2430_CS0_BASE	0x04000000
#define	SDP2430_FLASH_CS	0
#define	SDP2430_SMC91X_CS	5

#define SDP2430_ETHR_GPIO_IRQ		149

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(SDP2430_ETHR_GPIO_IRQ),
		.end	= OMAP_GPIO_IRQ(SDP2430_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(SDP2430_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
			SDP2430_ETHR_GPIO_IRQ);
		gpmc_cs_free(eth_cs);
		goto out;
	}
	gpio_direction_input(SDP2430_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);
	usb_musb_init();
}

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>
18cb7aca	38	#include <mach/usb.h>
72d0f1c3	39
90c62bf0	40	#include "mmc-twl4030.h"
72d0f1c3	41
a362fdbd	42	#define SDP2430_CS0_BASE 0x04000000
72d0f1c3 SMK	43	#define SDP2430_FLASH_CS 0
	44	#define SDP2430_SMC91X_CS 5
	45
a362fdbd TL	46	#define SDP2430_ETHR_GPIO_IRQ 149
a362fdbd TL	47
72d0f1c3 SMK	48	static struct mtd_partition sdp2430_partitions[] = {
	49	/* bootloader (U-Boot, etc) in first sector */
	50	{
	51	.name = "bootloader",
	52	.offset = 0,
	53	.size = SZ_256K,
	54	.mask_flags = MTD_WRITEABLE, /* force read-only */
	55	},
	56	/* bootloader params in the next sector */
	57	{
	58	.name = "params",
	59	.offset = MTDPART_OFS_APPEND,
	60	.size = SZ_128K,
	61	.mask_flags = 0,
	62	},
	63	/* kernel */
	64	{
	65	.name = "kernel",
	66	.offset = MTDPART_OFS_APPEND,
	67	.size = SZ_2M,
	68	.mask_flags = 0
	69	},
	70	/* file system */
	71	{
	72	.name = "filesystem",
	73	.offset = MTDPART_OFS_APPEND,
	74	.size = MTDPART_SIZ_FULL,
	75	.mask_flags = 0
	76	}
	77	};
	78
	79	static struct flash_platform_data sdp2430_flash_data = {
	80	.map_name = "cfi_probe",
	81	.width = 2,
	82	.parts = sdp2430_partitions,
	83	.nr_parts = ARRAY_SIZE(sdp2430_partitions),
	84	};
	85
	86	static struct resource sdp2430_flash_resource = {
	87	.start = SDP2430_CS0_BASE,
	88	.end = SDP2430_CS0_BASE + SZ_64M - 1,
	89	.flags = IORESOURCE_MEM,
	90	};
	91
	92	static struct platform_device sdp2430_flash_device = {
	93	.name = "omapflash",
	94	.id = 0,
	95	.dev = {
	96	.platform_data = &sdp2430_flash_data,
	97	},
	98	.num_resources = 1,
	99	.resource = &sdp2430_flash_resource,
	100	};
	101
	102	static struct resource sdp2430_smc91x_resources[] = {
	103	[0] = {
	104	.start = SDP2430_CS0_BASE,
	105	.end = SDP2430_CS0_BASE + SZ_64M - 1,
	106	.flags = IORESOURCE_MEM,
	107	},
	108	[1] = {
a362fdbd TL	109	.start = OMAP_GPIO_IRQ(SDP2430_ETHR_GPIO_IRQ),
a362fdbd TL	110	.end = OMAP_GPIO_IRQ(SDP2430_ETHR_GPIO_IRQ),
a8149170	111	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
72d0f1c3 SMK	112	},
	113	};
	114
	115	static struct platform_device sdp2430_smc91x_device = {
	116	.name = "smc91x",
	117	.id = -1,
	118	.num_resources = ARRAY_SIZE(sdp2430_smc91x_resources),
	119	.resource = sdp2430_smc91x_resources,
	120	};
	121
	122	static struct platform_device *sdp2430_devices[] __initdata = {
	123	&sdp2430_smc91x_device,
	124	&sdp2430_flash_device,
	125	};
	126
	127	static inline void __init sdp2430_init_smc91x(void)
	128	{
	129	int eth_cs;
	130	unsigned long cs_mem_base;
	131	unsigned int rate;
44595982	132	struct clk *gpmc_fck;
72d0f1c3 SMK	133
	134	eth_cs = SDP2430_SMC91X_CS;
	135
44595982 PW	136	gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
	137	if (IS_ERR(gpmc_fck)) {
	138	WARN_ON(1);
	139	return;
	140	}
	141
	142	clk_enable(gpmc_fck);
	143	rate = clk_get_rate(gpmc_fck);
72d0f1c3 SMK	144
	145	/* Make sure CS1 timings are correct, for 2430 always muxed */
	146	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
	147
	148	if (rate >= 160000000) {
	149	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
	150	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
	151	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
	152	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	153	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	154	} else if (rate >= 130000000) {
	155	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	156	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	157	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	158	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	159	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	160	} else { /* rate = 100000000 */
	161	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	162	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	163	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	164	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
	165	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	166	}
	167
	168	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
	169	printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
44595982	170	goto out;
72d0f1c3 SMK	171	}
	172
	173	sdp2430_smc91x_resources[0].start = cs_mem_base + 0x300;
	174	sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f;
	175	udelay(100);
	176
a362fdbd	177	if (gpio_request(SDP2430_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
72d0f1c3	178	printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
a362fdbd	179	SDP2430_ETHR_GPIO_IRQ);
72d0f1c3	180	gpmc_cs_free(eth_cs);
44595982	181	goto out;
72d0f1c3	182	}
a362fdbd	183	gpio_direction_input(SDP2430_ETHR_GPIO_IRQ);
72d0f1c3	184
44595982 PW	185	out:
	186	clk_disable(gpmc_fck);
	187	clk_put(gpmc_fck);
72d0f1c3 SMK	188	}
	189
	190	static void __init omap_2430sdp_init_irq(void)
	191	{
	192	omap2_init_common_hw();
	193	omap_init_irq();
	194	omap_gpio_init();
	195	sdp2430_init_smc91x();
	196	}
	197
	198	static struct omap_uart_config sdp2430_uart_config __initdata = {
	199	.enabled_uarts = ((1 << 0) \| (1 << 1) \| (1 << 2)),
	200	};
	201
	202	static struct omap_board_config_kernel sdp2430_config[] = {
	203	{OMAP_TAG_UART, &sdp2430_uart_config},
	204	};
	205
90c62bf0 TL	206
	207	static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
	208	.gpio_base = OMAP_MAX_GPIO_LINES,
	209	.irq_base = TWL4030_GPIO_IRQ_BASE,
	210	.irq_end = TWL4030_GPIO_IRQ_END,
	211	};
	212
	213	static struct twl4030_platform_data sdp2430_twldata = {
	214	.irq_base = TWL4030_IRQ_BASE,
	215	.irq_end = TWL4030_IRQ_END,
	216
	217	/* platform_data for children goes here */
	218	.gpio = &sdp2430_gpio_data,
	219	};
	220
	221	static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
	222	{
	223	I2C_BOARD_INFO("twl4030", 0x48),
	224	.flags = I2C_CLIENT_WAKE,
	225	.irq = INT_24XX_SYS_NIRQ,
	226	.platform_data = &sdp2430_twldata,
	227	},
	228	};
	229
	230	static int __init omap2430_i2c_init(void)
	231	{
	232	omap_register_i2c_bus(1, 400, NULL, 0);
	233	omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
	234	ARRAY_SIZE(sdp2430_i2c_boardinfo));
	235	return 0;
	236	}
	237
	238	static struct twl4030_hsmmc_info mmc[] __initdata = {
	239	{
	240	.mmc = 1,
	241	.wires = 4,
	242	.gpio_cd = -EINVAL,
	243	.gpio_wp = -EINVAL,
	244	.ext_clock = 1,
	245	},
	246	{} /* Terminator */
	247	};
	248
72d0f1c3 SMK	249	static void __init omap_2430sdp_init(void)
72d0f1c3 SMK	250	{
90c62bf0 TL	251	omap2430_i2c_init();
90c62bf0 TL	252
72d0f1c3 SMK	253	platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
	254	omap_board_config = sdp2430_config;
	255	omap_board_config_size = ARRAY_SIZE(sdp2430_config);
	256	omap_serial_init();
90c62bf0	257	twl4030_mmc_init(mmc);
18cb7aca	258	usb_musb_init();
72d0f1c3 SMK	259	}
	260
	261	static void __init omap_2430sdp_map_io(void)
	262	{
c8d2eb8e	263	omap2_set_globals_243x();
72d0f1c3 SMK	264	omap2_map_common_io();
	265	}
	266
	267	MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
	268	/* Maintainer: Syed Khasim - Texas Instruments Inc */
	269	.phys_io = 0x48000000,
	270	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	271	.boot_params = 0x80000100,
	272	.map_io = omap_2430sdp_map_io,
	273	.init_irq = omap_2430sdp_init_irq,
	274	.init_machine = omap_2430sdp_init,
	275	.timer = &omap_timer,
	276	MACHINE_END