[deliverable/linux.git] / arch / arm / mach-at91 / board-sam9g20ek-2slot-mmc.c

/*
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2008 Atmel
 *  Copyright (C) 2009 Rob Emanuele
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/at73c213.h>
#include <linux/clk.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/consumer.h>

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

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

#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91sam9_smc.h>

#include "sam9_smc.h"
#include "generic.h"


static void __init ek_map_io(void)
{
	/* Initialize processor: 18.432 MHz crystal */
	at91sam9260_initialize(18432000);

	/* DGBU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);

	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
			   | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
			   | ATMEL_UART_RI);

	/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);

	/* set serial console to ttyS0 (ie, DBGU) */
	at91_set_serial_console(0);
}

static void __init ek_init_irq(void)
{
	at91sam9260_init_interrupts(NULL);
}


/*
 * USB Host port
 */
static struct at91_usbh_data __initdata ek_usbh_data = {
	.ports		= 2,
};

/*
 * USB Device port
 */
static struct at91_udc_data __initdata ek_udc_data = {
	.vbus_pin	= AT91_PIN_PC5,
	.pullup_pin	= 0,		/* pull-up driven by UDC */
};


/*
 * SPI devices.
 */
static struct spi_board_info ek_spi_devices[] = {
#if !(defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_AT91))
	{	/* DataFlash chip */
		.modalias	= "mtd_dataflash",
		.chip_select	= 1,
		.max_speed_hz	= 15 * 1000 * 1000,
		.bus_num	= 0,
	},
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
	{	/* DataFlash card */
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 15 * 1000 * 1000,
		.bus_num	= 0,
	},
#endif
#endif
};


/*
 * MACB Ethernet device
 */
static struct at91_eth_data __initdata ek_macb_data = {
	.phy_irq_pin	= AT91_PIN_PB0,
	.is_rmii	= 1,
};


/*
 * NAND flash
 */
static struct mtd_partition __initdata ek_nand_partition[] = {
	{
		.name   = "Bootstrap",
		.offset = 0,
		.size   = 4 * SZ_1M,
	},
	{
		.name	= "Partition 1",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= 60 * SZ_1M,
	},
	{
		.name	= "Partition 2",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
	*num_partitions = ARRAY_SIZE(ek_nand_partition);
	return ek_nand_partition;
}

/* det_pin is not connected */
static struct atmel_nand_data __initdata ek_nand_data = {
	.ale		= 21,
	.cle		= 22,
	.rdy_pin	= AT91_PIN_PC13,
	.enable_pin	= AT91_PIN_PC14,
	.partition_info	= nand_partitions,
#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
	.bus_width_16	= 1,
#else
	.bus_width_16	= 0,
#endif
};

static struct sam9_smc_config __initdata ek_nand_smc_config = {
	.ncs_read_setup		= 0,
	.nrd_setup		= 2,
	.ncs_write_setup	= 0,
	.nwe_setup		= 2,

	.ncs_read_pulse		= 4,
	.nrd_pulse		= 4,
	.ncs_write_pulse	= 4,
	.nwe_pulse		= 4,

	.read_cycle		= 7,
	.write_cycle		= 7,

	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
	.tdf_cycles		= 3,
};

static void __init ek_add_device_nand(void)
{
	/* setup bus-width (8 or 16) */
	if (ek_nand_data.bus_width_16)
		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
	else
		ek_nand_smc_config.mode |= AT91_SMC_DBW_8;

	/* configure chip-select 3 (NAND) */
	sam9_smc_configure(3, &ek_nand_smc_config);

	at91_add_device_nand(&ek_nand_data);
}


/*
 * MCI (SD/MMC)
 * wp_pin is not connected
 */
#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
static struct mci_platform_data __initdata ek_mmc_data = {
	.slot[0] = {
		.bus_width	= 4,
		.detect_pin	= AT91_PIN_PC2,
		.wp_pin		= -ENODEV,
	},
	.slot[1] = {
		.bus_width	= 4,
		.detect_pin	= AT91_PIN_PC9,
		.wp_pin		= -ENODEV,
	},

};
#else
static struct at91_mmc_data __initdata ek_mmc_data = {
	.slot_b		= 1,	/* Only one slot so use slot B */
	.wire4		= 1,
	.det_pin	= AT91_PIN_PC9,
};
#endif

/*
 * LEDs
 */
static struct gpio_led ek_leds[] = {
	{	/* "bottom" led, green, userled1 to be defined */
		.name			= "ds5",
		.gpio			= AT91_PIN_PB8,
		.active_low		= 1,
		.default_trigger	= "none",
	},
	{	/* "power" led, yellow */
		.name			= "ds1",
		.gpio			= AT91_PIN_PB9,
		.default_trigger	= "heartbeat",
	}
};

#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
static struct regulator_consumer_supply ek_audio_consumer_supplies[] = {
	REGULATOR_SUPPLY("AVDD", "0-001b"),
	REGULATOR_SUPPLY("HPVDD", "0-001b"),
	REGULATOR_SUPPLY("DBVDD", "0-001b"),
	REGULATOR_SUPPLY("DCVDD", "0-001b"),
};

static struct regulator_init_data ek_avdd_reg_init_data = {
	.constraints	= {
		.name	= "3V3",
		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
	},
	.consumer_supplies = ek_audio_consumer_supplies,
	.num_consumer_supplies = ARRAY_SIZE(ek_audio_consumer_supplies),
};

static struct fixed_voltage_config ek_vdd_pdata = {
	.supply_name	= "board-3V3",
	.microvolts	= 3300000,
	.gpio		= -EINVAL,
	.enabled_at_boot = 0,
	.init_data	= &ek_avdd_reg_init_data,
};
static struct platform_device ek_voltage_regulator = {
	.name		= "reg-fixed-voltage",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &ek_vdd_pdata,
	},
};
static void __init ek_add_regulators(void)
{
	platform_device_register(&ek_voltage_regulator);
}
#else
static void __init ek_add_regulators(void) {}
#endif

static struct i2c_board_info __initdata ek_i2c_devices[] = {
	{
		I2C_BOARD_INFO("24c512", 0x50),
	},
};


static void __init ek_board_init(void)
{
	/* Serial */
	at91_add_device_serial();
	/* USB Host */
	at91_add_device_usbh(&ek_usbh_data);
	/* USB Device */
	at91_add_device_udc(&ek_udc_data);
	/* SPI */
	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
	/* NAND */
	ek_add_device_nand();
	/* Ethernet */
	at91_add_device_eth(&ek_macb_data);
	/* Regulators */
	ek_add_regulators();
	/* MMC */
#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
	at91_add_device_mci(0, &ek_mmc_data);
#else
	at91_add_device_mmc(0, &ek_mmc_data);
#endif
	/* I2C */
	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
	/* LEDs */
	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
	/* PCK0 provides MCLK to the WM8731 */
	at91_set_B_periph(AT91_PIN_PC1, 0);
	/* SSC (for WM8731) */
	at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
}

MACHINE_START(AT91SAM9G20EK_2MMC, "Atmel AT91SAM9G20-EK 2 MMC Slot Mod")
	/* Maintainer: Rob Emanuele */
	.phys_io	= AT91_BASE_SYS,
	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
	.boot_params	= AT91_SDRAM_BASE + 0x100,
	.timer		= &at91sam926x_timer,
	.map_io		= ek_map_io,
	.init_irq	= ek_init_irq,
	.init_machine	= ek_board_init,
MACHINE_END
Commit	Line	Data
864f38eb RE	1	/*
	2	* Copyright (C) 2005 SAN People
	3	* Copyright (C) 2008 Atmel
	4	* Copyright (C) 2009 Rob Emanuele
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#include <linux/types.h>
	22	#include <linux/init.h>
	23	#include <linux/mm.h>
	24	#include <linux/module.h>
	25	#include <linux/platform_device.h>
	26	#include <linux/spi/spi.h>
	27	#include <linux/spi/at73c213.h>
	28	#include <linux/clk.h>
8a5c9e39 DES	29	#include <linux/regulator/machine.h>
	30	#include <linux/regulator/fixed.h>
	31	#include <linux/regulator/consumer.h>
864f38eb RE	32
	33	#include <mach/hardware.h>
	34	#include <asm/setup.h>
	35	#include <asm/mach-types.h>
	36	#include <asm/irq.h>
	37
	38	#include <asm/mach/arch.h>
	39	#include <asm/mach/map.h>
	40	#include <asm/mach/irq.h>
	41
	42	#include <mach/board.h>
	43	#include <mach/gpio.h>
	44	#include <mach/at91sam9_smc.h>
	45
	46	#include "sam9_smc.h"
	47	#include "generic.h"
	48
	49
	50	static void __init ek_map_io(void)
	51	{
	52	/* Initialize processor: 18.432 MHz crystal */
	53	at91sam9260_initialize(18432000);
	54
	55	/* DGBU on ttyS0. (Rx & Tx only) */
	56	at91_register_uart(0, 0, 0);
	57
	58	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	59	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS \| ATMEL_UART_RTS
	60	\| ATMEL_UART_DTR \| ATMEL_UART_DSR \| ATMEL_UART_DCD
	61	\| ATMEL_UART_RI);
	62
	63	/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
	64	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS \| ATMEL_UART_RTS);
	65
	66	/* set serial console to ttyS0 (ie, DBGU) */
	67	at91_set_serial_console(0);
	68	}
	69
	70	static void __init ek_init_irq(void)
	71	{
	72	at91sam9260_init_interrupts(NULL);
	73	}
	74
	75
	76	/*
	77	* USB Host port
	78	*/
	79	static struct at91_usbh_data __initdata ek_usbh_data = {
	80	.ports = 2,
	81	};
	82
	83	/*
	84	* USB Device port
	85	*/
	86	static struct at91_udc_data __initdata ek_udc_data = {
	87	.vbus_pin = AT91_PIN_PC5,
	88	.pullup_pin = 0, /* pull-up driven by UDC */
	89	};
	90
	91
	92	/*
	93	* SPI devices.
	94	*/
	95	static struct spi_board_info ek_spi_devices[] = {
0f74296a	96	#if !(defined(CONFIG_MMC_ATMELMCI) \|\| defined(CONFIG_MMC_AT91))
864f38eb RE	97	{ /* DataFlash chip */
	98	.modalias = "mtd_dataflash",
	99	.chip_select = 1,
	100	.max_speed_hz = 15 * 1000 * 1000,
	101	.bus_num = 0,
	102	},
	103	#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
	104	{ /* DataFlash card */
	105	.modalias = "mtd_dataflash",
	106	.chip_select = 0,
	107	.max_speed_hz = 15 * 1000 * 1000,
	108	.bus_num = 0,
	109	},
	110	#endif
	111	#endif
	112	};
	113
	114
	115	/*
	116	* MACB Ethernet device
	117	*/
	118	static struct at91_eth_data __initdata ek_macb_data = {
0f74296a	119	.phy_irq_pin = AT91_PIN_PB0,
864f38eb RE	120	.is_rmii = 1,
	121	};
	122
	123
	124	/*
	125	* NAND flash
	126	*/
	127	static struct mtd_partition __initdata ek_nand_partition[] = {
	128	{
	129	.name = "Bootstrap",
	130	.offset = 0,
	131	.size = 4 * SZ_1M,
	132	},
	133	{
	134	.name = "Partition 1",
	135	.offset = MTDPART_OFS_NXTBLK,
	136	.size = 60 * SZ_1M,
	137	},
	138	{
	139	.name = "Partition 2",
	140	.offset = MTDPART_OFS_NXTBLK,
	141	.size = MTDPART_SIZ_FULL,
	142	},
	143	};
	144
	145	static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
	146	{
	147	*num_partitions = ARRAY_SIZE(ek_nand_partition);
	148	return ek_nand_partition;
	149	}
	150
	151	/* det_pin is not connected */
	152	static struct atmel_nand_data __initdata ek_nand_data = {
	153	.ale = 21,
	154	.cle = 22,
	155	.rdy_pin = AT91_PIN_PC13,
	156	.enable_pin = AT91_PIN_PC14,
	157	.partition_info = nand_partitions,
	158	#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
	159	.bus_width_16 = 1,
	160	#else
	161	.bus_width_16 = 0,
	162	#endif
	163	};
	164
	165	static struct sam9_smc_config __initdata ek_nand_smc_config = {
	166	.ncs_read_setup = 0,
	167	.nrd_setup = 2,
	168	.ncs_write_setup = 0,
	169	.nwe_setup = 2,
	170
	171	.ncs_read_pulse = 4,
	172	.nrd_pulse = 4,
	173	.ncs_write_pulse = 4,
	174	.nwe_pulse = 4,
	175
	176	.read_cycle = 7,
	177	.write_cycle = 7,
	178
	179	.mode = AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE,
	180	.tdf_cycles = 3,
	181	};
	182
	183	static void __init ek_add_device_nand(void)
184	{
185	/* setup bus-width (8 or 16) */
186	if (ek_nand_data.bus_width_16)
187	ek_nand_smc_config.mode \|= AT91_SMC_DBW_16;
188	else
189	ek_nand_smc_config.mode \|= AT91_SMC_DBW_8;
190
191	/* configure chip-select 3 (NAND) */
192	sam9_smc_configure(3, &ek_nand_smc_config);
193
194	at91_add_device_nand(&ek_nand_data);
195	}
196
197
198	/*
199	* MCI (SD/MMC)
0f74296a	200	* wp_pin is not connected
864f38eb RE	201	*/
	202	#if defined(CONFIG_MMC_ATMELMCI) \|\| defined(CONFIG_MMC_ATMELMCI_MODULE)
	203	static struct mci_platform_data __initdata ek_mmc_data = {
	204	.slot[0] = {
	205	.bus_width = 4,
0f74296a	206	.detect_pin = AT91_PIN_PC2,
864f38eb RE	207	.wp_pin = -ENODEV,
	208	},
	209	.slot[1] = {
	210	.bus_width = 4,
0f74296a	211	.detect_pin = AT91_PIN_PC9,
864f38eb RE	212	.wp_pin = -ENODEV,
	213	},
	214
	215	};
	216	#else
0f74296a NF	217	static struct at91_mmc_data __initdata ek_mmc_data = {
	218	.slot_b = 1, /* Only one slot so use slot B */
	219	.wire4 = 1,
	220	.det_pin = AT91_PIN_PC9,
864f38eb RE	221	};
	222	#endif
	223
	224	/*
	225	* LEDs
	226	*/
	227	static struct gpio_led ek_leds[] = {
	228	{ /* "bottom" led, green, userled1 to be defined */
	229	.name = "ds5",
0f74296a	230	.gpio = AT91_PIN_PB8,
864f38eb RE	231	.active_low = 1,
	232	.default_trigger = "none",
	233	},
	234	{ /* "power" led, yellow */
	235	.name = "ds1",
0f74296a	236	.gpio = AT91_PIN_PB9,
864f38eb RE	237	.default_trigger = "heartbeat",
	238	}
	239	};
	240
8a5c9e39 DES	241	#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) \|\| defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
	242	static struct regulator_consumer_supply ek_audio_consumer_supplies[] = {
	243	REGULATOR_SUPPLY("AVDD", "0-001b"),
	244	REGULATOR_SUPPLY("HPVDD", "0-001b"),
	245	REGULATOR_SUPPLY("DBVDD", "0-001b"),
	246	REGULATOR_SUPPLY("DCVDD", "0-001b"),
	247	};
	248
	249	static struct regulator_init_data ek_avdd_reg_init_data = {
	250	.constraints = {
	251	.name = "3V3",
	252	.valid_ops_mask = REGULATOR_CHANGE_STATUS,
	253	},
	254	.consumer_supplies = ek_audio_consumer_supplies,
	255	.num_consumer_supplies = ARRAY_SIZE(ek_audio_consumer_supplies),
	256	};
	257
	258	static struct fixed_voltage_config ek_vdd_pdata = {
	259	.supply_name = "board-3V3",
	260	.microvolts = 3300000,
	261	.gpio = -EINVAL,
	262	.enabled_at_boot = 0,
	263	.init_data = &ek_avdd_reg_init_data,
	264	};
	265	static struct platform_device ek_voltage_regulator = {
	266	.name = "reg-fixed-voltage",
	267	.id = -1,
	268	.num_resources = 0,
	269	.dev = {
	270	.platform_data = &ek_vdd_pdata,
	271	},
	272	};
	273	static void __init ek_add_regulators(void)
	274	{
	275	platform_device_register(&ek_voltage_regulator);
	276	}
	277	#else
	278	static void __init ek_add_regulators(void) {}
	279	#endif
	280
864f38eb RE	281	static struct i2c_board_info __initdata ek_i2c_devices[] = {
	282	{
	283	I2C_BOARD_INFO("24c512", 0x50),
	284	},
	285	};
	286
	287
	288	static void __init ek_board_init(void)
	289	{
	290	/* Serial */
	291	at91_add_device_serial();
	292	/* USB Host */
	293	at91_add_device_usbh(&ek_usbh_data);
	294	/* USB Device */
	295	at91_add_device_udc(&ek_udc_data);
	296	/* SPI */
	297	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
	298	/* NAND */
	299	ek_add_device_nand();
	300	/* Ethernet */
	301	at91_add_device_eth(&ek_macb_data);
8a5c9e39 DES	302	/* Regulators */
8a5c9e39 DES	303	ek_add_regulators();
864f38eb	304	/* MMC */
0f74296a	305	#if defined(CONFIG_MMC_ATMELMCI) \|\| defined(CONFIG_MMC_ATMELMCI_MODULE)
864f38eb	306	at91_add_device_mci(0, &ek_mmc_data);
0f74296a NF	307	#else
	308	at91_add_device_mmc(0, &ek_mmc_data);
	309	#endif
864f38eb RE	310	/* I2C */
	311	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
	312	/* LEDs */
	313	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
	314	/* PCK0 provides MCLK to the WM8731 */
	315	at91_set_B_periph(AT91_PIN_PC1, 0);
	316	/* SSC (for WM8731) */
	317	at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
	318	}
	319
	320	MACHINE_START(AT91SAM9G20EK_2MMC, "Atmel AT91SAM9G20-EK 2 MMC Slot Mod")
	321	/* Maintainer: Rob Emanuele */
	322	.phys_io = AT91_BASE_SYS,
	323	.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
	324	.boot_params = AT91_SDRAM_BASE + 0x100,
	325	.timer = &at91sam926x_timer,
	326	.map_io = ek_map_io,
	327	.init_irq = ek_init_irq,
	328	.init_machine = ek_board_init,
	329	MACHINE_END