[deliverable/linux.git] / arch / arm / mach-davinci / board-sffsdr.c

/*
 * Lyrtech SFFSDR board support.
 *
 * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
 * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
 *
 * Based on DV-EVM platform, original copyright follows:
 *
 * Copyright (C) 2007 MontaVista Software, Inc.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>

#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/etherdevice.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>

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

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>

#include <mach/dm644x.h>
#include <mach/common.h>
#include <mach/i2c.h>
#include <mach/serial.h>
#include <mach/psc.h>
#include <mach/mux.h>
#include <mach/common.h>

#define SFFSDR_PHY_MASK		(0x2)
#define SFFSDR_MDIO_FREQUENCY	(2200000) /* PHY bus frequency */

#define DAVINCI_ASYNC_EMIF_CONTROL_BASE   0x01e00000
#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE  0x02000000

struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
	/* U-Boot Environment: Block 0
	 * UBL:                Block 1
	 * U-Boot:             Blocks 6-7 (256 kb)
	 * Integrity Kernel:   Blocks 8-31 (3 Mb)
	 * Integrity Data:     Blocks 100-END
	 */
	{
		.name		= "Linux Kernel",
		.offset		= 32 * SZ_128K,
		.size		= 16 * SZ_128K, /* 2 Mb */
		.mask_flags	= MTD_WRITEABLE, /* Force read-only */
	},
	{
		.name		= "Linux ROOT",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 256 * SZ_128K, /* 32 Mb */
		.mask_flags	= 0, /* R/W */
	},
};

static struct flash_platform_data davinci_sffsdr_nandflash_data = {
	.parts		= davinci_sffsdr_nandflash_partition,
	.nr_parts	= ARRAY_SIZE(davinci_sffsdr_nandflash_partition),
};

static struct resource davinci_sffsdr_nandflash_resource[] = {
	{
		.start		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
		.end		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
		.flags		= IORESOURCE_MEM,
	}, {
		.start		= DAVINCI_ASYNC_EMIF_CONTROL_BASE,
		.end		= DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device davinci_sffsdr_nandflash_device = {
	.name		= "davinci_nand", /* Name of driver */
	.id		= 0,
	.dev		= {
		.platform_data	= &davinci_sffsdr_nandflash_data,
	},
	.num_resources	= ARRAY_SIZE(davinci_sffsdr_nandflash_resource),
	.resource	= davinci_sffsdr_nandflash_resource,
};

static struct emac_platform_data sffsdr_emac_pdata = {
	.phy_mask	= SFFSDR_PHY_MASK,
	.mdio_max_freq	= SFFSDR_MDIO_FREQUENCY,
};

static struct at24_platform_data eeprom_info = {
	.byte_len	= (64*1024) / 8,
	.page_size	= 32,
	.flags		= AT24_FLAG_ADDR16,
};

static struct i2c_board_info __initdata i2c_info[] =  {
	{
		I2C_BOARD_INFO("24lc64", 0x50),
		.platform_data	= &eeprom_info,
	},
	/* Other I2C devices:
	 * MSP430,  addr 0x23 (not used)
	 * PCA9543, addr 0x70 (setup done by U-Boot)
	 * ADS7828, addr 0x48 (ADC for voltage monitoring.)
	 */
};

static struct davinci_i2c_platform_data i2c_pdata = {
	.bus_freq	= 20 /* kHz */,
	.bus_delay	= 100 /* usec */,
};

static void __init sffsdr_init_i2c(void)
{
	davinci_init_i2c(&i2c_pdata);
	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}

static struct platform_device *davinci_sffsdr_devices[] __initdata = {
	&davinci_sffsdr_nandflash_device,
};

static struct davinci_uart_config uart_config __initdata = {
	.enabled_uarts = (1 << 0),
};

static void __init davinci_sffsdr_map_io(void)
{
	dm644x_init();
}

static __init void davinci_sffsdr_init(void)
{
	struct davinci_soc_info *soc_info = &davinci_soc_info;

	platform_add_devices(davinci_sffsdr_devices,
			     ARRAY_SIZE(davinci_sffsdr_devices));
	sffsdr_init_i2c();
	davinci_serial_init(&uart_config);
	soc_info->emac_pdata->phy_mask = SFFSDR_PHY_MASK;
	soc_info->emac_pdata->mdio_max_freq = SFFSDR_MDIO_FREQUENCY;
	setup_usb(0, 0); /* We support only peripheral mode. */

	/* mux VLYNQ pins */
	davinci_cfg_reg(DM644X_VLYNQEN);
	davinci_cfg_reg(DM644X_VLYNQWD);
}

static __init void davinci_sffsdr_irq_init(void)
{
	davinci_irq_init();
}

MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
	/* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
	.phys_io      = IO_PHYS,
	.io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
	.boot_params  = (DAVINCI_DDR_BASE + 0x100),
	.map_io	      = davinci_sffsdr_map_io,
	.init_irq     = davinci_sffsdr_irq_init,
	.timer	      = &davinci_timer,
	.init_machine = davinci_sffsdr_init,
MACHINE_END
Commit	Line	Data
f5ce6a67 HV	1	/*
	2	* Lyrtech SFFSDR board support.
	3	*
	4	* Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
	5	* Copyright (C) 2008 Lyrtech <www.lyrtech.com>
	6	*
	7	* Based on DV-EVM platform, original copyright follows:
	8	*
	9	* Copyright (C) 2007 MontaVista Software, Inc.
	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 as published by
	13	* the Free Software Foundation; either version 2 of the License, or
	14	* (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public License
	22	* along with this program; if not, write to the Free Software
	23	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	24	*/
	25
	26	#include <linux/kernel.h>
	27	#include <linux/module.h>
	28	#include <linux/init.h>
	29	#include <linux/dma-mapping.h>
	30	#include <linux/platform_device.h>
	31	#include <linux/gpio.h>
	32
	33	#include <linux/i2c.h>
	34	#include <linux/i2c/at24.h>
	35	#include <linux/etherdevice.h>
	36	#include <linux/mtd/mtd.h>
	37	#include <linux/mtd/nand.h>
	38	#include <linux/mtd/partitions.h>
	39	#include <linux/mtd/physmap.h>
	40	#include <linux/io.h>
	41
	42	#include <asm/setup.h>
	43	#include <asm/mach-types.h>
	44
	45	#include <asm/mach/arch.h>
	46	#include <asm/mach/map.h>
	47	#include <asm/mach/flash.h>
	48
	49	#include <mach/dm644x.h>
	50	#include <mach/common.h>
	51	#include <mach/i2c.h>
	52	#include <mach/serial.h>
	53	#include <mach/psc.h>
	54	#include <mach/mux.h>
79c3c0b7	55	#include <mach/common.h>
f5ce6a67	56
ac7b75b5 KH	57	#define SFFSDR_PHY_MASK (0x2)
	58	#define SFFSDR_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
	59
f5ce6a67 HV	60	#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000
	61	#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
	62
	63	struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
	64	/* U-Boot Environment: Block 0
	65	* UBL: Block 1
	66	* U-Boot: Blocks 6-7 (256 kb)
	67	* Integrity Kernel: Blocks 8-31 (3 Mb)
	68	* Integrity Data: Blocks 100-END
	69	*/
	70	{
	71	.name = "Linux Kernel",
	72	.offset = 32 * SZ_128K,
	73	.size = 16 * SZ_128K, /* 2 Mb */
	74	.mask_flags = MTD_WRITEABLE, /* Force read-only */
	75	},
	76	{
	77	.name = "Linux ROOT",
	78	.offset = MTDPART_OFS_APPEND,
	79	.size = 256 * SZ_128K, /* 32 Mb */
	80	.mask_flags = 0, /* R/W */
	81	},
	82	};
	83
	84	static struct flash_platform_data davinci_sffsdr_nandflash_data = {
	85	.parts = davinci_sffsdr_nandflash_partition,
	86	.nr_parts = ARRAY_SIZE(davinci_sffsdr_nandflash_partition),
	87	};
	88
	89	static struct resource davinci_sffsdr_nandflash_resource[] = {
	90	{
	91	.start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
	92	.end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
	93	.flags = IORESOURCE_MEM,
	94	}, {
	95	.start = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
	96	.end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
	97	.flags = IORESOURCE_MEM,
	98	},
	99	};
	100
	101	static struct platform_device davinci_sffsdr_nandflash_device = {
	102	.name = "davinci_nand", /* Name of driver */
	103	.id = 0,
	104	.dev = {
	105	.platform_data = &davinci_sffsdr_nandflash_data,
	106	},
	107	.num_resources = ARRAY_SIZE(davinci_sffsdr_nandflash_resource),
	108	.resource = davinci_sffsdr_nandflash_resource,
	109	};
	110
ac7b75b5 KH	111	static struct emac_platform_data sffsdr_emac_pdata = {
	112	.phy_mask = SFFSDR_PHY_MASK,
	113	.mdio_max_freq = SFFSDR_MDIO_FREQUENCY,
	114	};
f5ce6a67 HV	115
	116	static struct at24_platform_data eeprom_info = {
	117	.byte_len = (64*1024) / 8,
	118	.page_size = 32,
	119	.flags = AT24_FLAG_ADDR16,
	120	};
	121
	122	static struct i2c_board_info __initdata i2c_info[] = {
	123	{
	124	I2C_BOARD_INFO("24lc64", 0x50),
	125	.platform_data = &eeprom_info,
	126	},
	127	/* Other I2C devices:
	128	* MSP430, addr 0x23 (not used)
	129	* PCA9543, addr 0x70 (setup done by U-Boot)
	130	* ADS7828, addr 0x48 (ADC for voltage monitoring.)
	131	*/
	132	};
	133
	134	static struct davinci_i2c_platform_data i2c_pdata = {
	135	.bus_freq = 20 /* kHz */,
	136	.bus_delay = 100 /* usec */,
	137	};
	138
	139	static void __init sffsdr_init_i2c(void)
	140	{
	141	davinci_init_i2c(&i2c_pdata);
	142	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
	143	}
	144
	145	static struct platform_device *davinci_sffsdr_devices[] __initdata = {
	146	&davinci_sffsdr_nandflash_device,
	147	};
	148
	149	static struct davinci_uart_config uart_config __initdata = {
	150	.enabled_uarts = (1 << 0),
	151	};
	152
	153	static void __init davinci_sffsdr_map_io(void)
	154	{
f5ce6a67 HV	155	dm644x_init();
	156	}
	157
	158	static __init void davinci_sffsdr_init(void)
	159	{
972412b6 MG	160	struct davinci_soc_info *soc_info = &davinci_soc_info;
972412b6 MG	161
f5ce6a67 HV	162	platform_add_devices(davinci_sffsdr_devices,
	163	ARRAY_SIZE(davinci_sffsdr_devices));
	164	sffsdr_init_i2c();
	165	davinci_serial_init(&uart_config);
972412b6 MG	166	soc_info->emac_pdata->phy_mask = SFFSDR_PHY_MASK;
972412b6 MG	167	soc_info->emac_pdata->mdio_max_freq = SFFSDR_MDIO_FREQUENCY;
f5ce6a67 HV	168	setup_usb(0, 0); /* We support only peripheral mode. */
	169
	170	/* mux VLYNQ pins */
	171	davinci_cfg_reg(DM644X_VLYNQEN);
	172	davinci_cfg_reg(DM644X_VLYNQWD);
	173	}
	174
	175	static __init void davinci_sffsdr_irq_init(void)
	176	{
	177	davinci_irq_init();
	178	}
	179
	180	MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
	181	/* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
	182	.phys_io = IO_PHYS,
	183	.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
	184	.boot_params = (DAVINCI_DDR_BASE + 0x100),
	185	.map_io = davinci_sffsdr_map_io,
	186	.init_irq = davinci_sffsdr_irq_init,
	187	.timer = &davinci_timer,
	188	.init_machine = davinci_sffsdr_init,
	189	MACHINE_END