[net-next-2.6.git] / arch / arm / mach-at91 / board-sam9261ek.c

/*
 * linux/arch/arm/mach-at91/board-sam9261ek.c
 *
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2006 Atmel
 *
 * 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/ads7846.h>
#include <linux/dm9000.h>

#include <asm/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 <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91sam926x_mc.h>

#include "generic.h"


/*
 * Serial port configuration.
 *    0 .. 2 = USART0 .. USART2
 *    3      = DBGU
 */
static struct at91_uart_config __initdata ek_uart_config = {
	.console_tty	= 0,				/* ttyS0 */
	.nr_tty		= 1,
	.tty_map	= { 3, -1, -1, -1 }		/* ttyS0, ..., ttyS3 */
};

static void __init ek_map_io(void)
{
	/* Initialize processor: 18.432 MHz crystal */
	at91sam9261_initialize(18432000);

	/* Setup the LEDs */
	at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);

	/* Setup the serial ports and console */
	at91_init_serial(&ek_uart_config);
}

static void __init ek_init_irq(void)
{
	at91sam9261_init_interrupts(NULL);
}


/*
 * DM9000 ethernet device
 */
#if defined(CONFIG_DM9000)
static struct resource at91sam9261_dm9000_resource[] = {
	[0] = {
		.start	= AT91_CHIPSELECT_2,
		.end	= AT91_CHIPSELECT_2 + 3,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start	= AT91_CHIPSELECT_2 + 0x44,
		.end	= AT91_CHIPSELECT_2 + 0xFF,
		.flags	= IORESOURCE_MEM
	},
	[2] = {
		.start	= AT91_PIN_PC11,
		.end	= AT91_PIN_PC11,
		.flags	= IORESOURCE_IRQ
	}
};

static struct dm9000_plat_data dm9000_platdata = {
	.flags		= DM9000_PLATF_16BITONLY,
};

static struct platform_device at91sam9261_dm9000_device = {
	.name		= "dm9000",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(at91sam9261_dm9000_resource),
	.resource	= at91sam9261_dm9000_resource,
	.dev		= {
		.platform_data	= &dm9000_platdata,
	}
};

static void __init ek_add_device_dm9000(void)
{
	/*
	 * Configure Chip-Select 2 on SMC for the DM9000.
	 * Note: These timings were calculated for MASTER_CLOCK = 100000000
	 *  according to the DM9000 timings.
	 */
	at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
	at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
	at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
	at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1));

	/* Configure Reset signal as output */
	at91_set_gpio_output(AT91_PIN_PC10, 0);

	/* Configure Interrupt pin as input, no pull-up */
	at91_set_gpio_input(AT91_PIN_PC11, 0);

	platform_device_register(&at91sam9261_dm9000_device);
}
#else
static void __init ek_add_device_dm9000(void) {}
#endif /* CONFIG_DM9000 */


/*
 * 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_PB29,
	.pullup_pin	= 0,		/* pull-up driven by UDC */
};


/*
 * MCI (SD/MMC)
 */
static struct at91_mmc_data __initdata ek_mmc_data = {
	.wire4		= 1,
//	.det_pin	= ... not connected
//	.wp_pin		= ... not connected
//	.vcc_pin	= ... not connected
};


/*
 * NAND flash
 */
static struct mtd_partition __initdata ek_nand_partition[] = {
	{
		.name	= "Partition 1",
		.offset	= 0,
		.size	= 256 * 1024,
	},
	{
		.name	= "Partition 2",
		.offset	= 256 * 1024 ,
		.size	= MTDPART_SIZ_FULL,
	},
};

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

static struct at91_nand_data __initdata ek_nand_data = {
	.ale		= 22,
	.cle		= 21,
//	.det_pin	= ... not connected
	.rdy_pin	= AT91_PIN_PC15,
	.enable_pin	= AT91_PIN_PC14,
	.partition_info	= nand_partitions,
#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
	.bus_width_16	= 1,
#else
	.bus_width_16	= 0,
#endif
};

/*
 * ADS7846 Touchscreen
 */
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)

static int ads7843_pendown_state(void)
{
	return !at91_get_gpio_value(AT91_PIN_PC2);	/* Touchscreen PENIRQ */
}

static struct ads7846_platform_data ads_info = {
	.model			= 7843,
	.x_min			= 150,
	.x_max			= 3830,
	.y_min			= 190,
	.y_max			= 3830,
	.vref_delay_usecs	= 100,
	.x_plate_ohms		= 450,
	.y_plate_ohms		= 250,
	.pressure_max		= 15000,
	.debounce_max		= 1,
	.debounce_rep		= 0,
	.debounce_tol		= (~0),
	.get_pendown_state	= ads7843_pendown_state,
};

static void __init ek_add_device_ts(void)
{
	at91_set_B_periph(AT91_PIN_PC2, 1);	/* External IRQ0, with pullup */
	at91_set_gpio_input(AT91_PIN_PA11, 1);	/* Touchscreen BUSY signal */
}
#else
static void __init ek_add_device_ts(void) {}
#endif

/*
 * SPI devices
 */
static struct spi_board_info ek_spi_devices[] = {
	{	/* DataFlash chip */
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 15 * 1000 * 1000,
		.bus_num	= 0,
	},
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
	{
		.modalias	= "ads7846",
		.chip_select	= 2,
		.max_speed_hz	= 125000 * 26,	/* (max sample rate @ 3V) * (cmd + data + overhead) */
		.bus_num	= 0,
		.platform_data	= &ads_info,
		.irq		= AT91SAM9261_ID_IRQ0,
	},
#endif
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
	{	/* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
		.modalias	= "mtd_dataflash",
		.chip_select	= 3,
		.max_speed_hz	= 15 * 1000 * 1000,
		.bus_num	= 0,
	},
#elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
	{	/* AT73C213 DAC */
		.modalias	= "at73c213",
		.chip_select	= 3,
		.max_speed_hz	= 10 * 1000 * 1000,
		.bus_num	= 0,
	},
#endif
};


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);
	/* I2C */
	at91_add_device_i2c();
	/* NAND */
	at91_add_device_nand(&ek_nand_data);
	/* DM9000 ethernet */
	ek_add_device_dm9000();

	/* spi0 and mmc/sd share the same PIO pins */
#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
	/* SPI */
	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
	/* Touchscreen */
	ek_add_device_ts();
#else
	/* MMC */
	at91_add_device_mmc(0, &ek_mmc_data);
#endif
}

MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
	/* Maintainer: Atmel */
	.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
022cbd73	1	/*
d0760b3b	2	* linux/arch/arm/mach-at91/board-sam9261ek.c
022cbd73 AV	3	*
	4	* Copyright (C) 2005 SAN People
	5	* Copyright (C) 2006 Atmel
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*/
	21
	22	#include <linux/types.h>
	23	#include <linux/init.h>
	24	#include <linux/mm.h>
	25	#include <linux/module.h>
	26	#include <linux/platform_device.h>
	27	#include <linux/spi/spi.h>
23522728	28	#include <linux/spi/ads7846.h>
022cbd73 AV	29	#include <linux/dm9000.h>
	30
	31	#include <asm/hardware.h>
	32	#include <asm/setup.h>
	33	#include <asm/mach-types.h>
	34	#include <asm/irq.h>
	35
	36	#include <asm/mach/arch.h>
	37	#include <asm/mach/map.h>
	38	#include <asm/mach/irq.h>
	39
	40	#include <asm/arch/board.h>
	41	#include <asm/arch/gpio.h>
	42	#include <asm/arch/at91sam926x_mc.h>
	43
	44	#include "generic.h"
	45
	46
	47	/*
	48	* Serial port configuration.
	49	* 0 .. 2 = USART0 .. USART2
	50	* 3 = DBGU
	51	*/
	52	static struct at91_uart_config __initdata ek_uart_config = {
	53	.console_tty = 0, /* ttyS0 */
	54	.nr_tty = 1,
	55	.tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */
	56	};
	57
	58	static void __init ek_map_io(void)
	59	{
	60	/* Initialize processor: 18.432 MHz crystal */
	61	at91sam9261_initialize(18432000);
	62
302c0ef7 AV	63	/* Setup the LEDs */
	64	at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
	65
022cbd73 AV	66	/* Setup the serial ports and console */
	67	at91_init_serial(&ek_uart_config);
	68	}
	69
	70	static void __init ek_init_irq(void)
	71	{
	72	at91sam9261_init_interrupts(NULL);
	73	}
	74
	75
	76	/*
	77	* DM9000 ethernet device
	78	*/
	79	#if defined(CONFIG_DM9000)
	80	static struct resource at91sam9261_dm9000_resource[] = {
	81	[0] = {
	82	.start = AT91_CHIPSELECT_2,
	83	.end = AT91_CHIPSELECT_2 + 3,
	84	.flags = IORESOURCE_MEM
	85	},
	86	[1] = {
	87	.start = AT91_CHIPSELECT_2 + 0x44,
	88	.end = AT91_CHIPSELECT_2 + 0xFF,
	89	.flags = IORESOURCE_MEM
	90	},
	91	[2] = {
	92	.start = AT91_PIN_PC11,
	93	.end = AT91_PIN_PC11,
	94	.flags = IORESOURCE_IRQ
	95	}
	96	};
	97
	98	static struct dm9000_plat_data dm9000_platdata = {
	99	.flags = DM9000_PLATF_16BITONLY,
	100	};
	101
	102	static struct platform_device at91sam9261_dm9000_device = {
	103	.name = "dm9000",
	104	.id = 0,
	105	.num_resources = ARRAY_SIZE(at91sam9261_dm9000_resource),
	106	.resource = at91sam9261_dm9000_resource,
	107	.dev = {
	108	.platform_data = &dm9000_platdata,
	109	}
	110	};
	111
	112	static void __init ek_add_device_dm9000(void)
	113	{
	114	/*
	115	* Configure Chip-Select 2 on SMC for the DM9000.
	116	* Note: These timings were calculated for MASTER_CLOCK = 100000000
	117	* according to the DM9000 timings.
	118	*/
	119	at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) \| AT91_SMC_NCS_WRSETUP_(0) \| AT91_SMC_NRDSETUP_(2) \| AT91_SMC_NCS_RDSETUP_(0));
	120	at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) \| AT91_SMC_NCS_WRPULSE_(8) \| AT91_SMC_NRDPULSE_(4) \| AT91_SMC_NCS_RDPULSE_(8));
	121	at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) \| AT91_SMC_NRDCYCLE_(16));
	122	at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE \| AT91_SMC_BAT_WRITE \| AT91_SMC_DBW_16 \| AT91_SMC_TDF_(1));
	123
	124	/* Configure Reset signal as output */
	125	at91_set_gpio_output(AT91_PIN_PC10, 0);
	126
	127	/* Configure Interrupt pin as input, no pull-up */
	128	at91_set_gpio_input(AT91_PIN_PC11, 0);
	129
130	platform_device_register(&at91sam9261_dm9000_device);
131	}
132	#else
133	static void __init ek_add_device_dm9000(void) {}
134	#endif /* CONFIG_DM9000 */
135
136
137	/*
138	* USB Host Port
139	*/
140	static struct at91_usbh_data __initdata ek_usbh_data = {
141	.ports = 2,
142	};
143
144
145	/*
146	* USB Device Port
147	*/
148	static struct at91_udc_data __initdata ek_udc_data = {
149	.vbus_pin = AT91_PIN_PB29,
150	.pullup_pin = 0, /* pull-up driven by UDC */
151	};
152
153
154	/*
155	* MCI (SD/MMC)
156	*/
157	static struct at91_mmc_data __initdata ek_mmc_data = {
158	.wire4 = 1,
159	// .det_pin = ... not connected
160	// .wp_pin = ... not connected
161	// .vcc_pin = ... not connected
162	};
163
164
165	/*
166	* NAND flash
167	*/
168	static struct mtd_partition __initdata ek_nand_partition[] = {
169	{
170	.name = "Partition 1",
171	.offset = 0,
172	.size = 256 * 1024,
173	},
174	{
175	.name = "Partition 2",
176	.offset = 256 * 1024 ,
177	.size = MTDPART_SIZ_FULL,
178	},
179	};
180
181	static struct mtd_partition nand_partitions(int size, int num_partitions)
182	{
183	*num_partitions = ARRAY_SIZE(ek_nand_partition);
184	return ek_nand_partition;
185	}
186
187	static struct at91_nand_data __initdata ek_nand_data = {
188	.ale = 22,
189	.cle = 21,
190	// .det_pin = ... not connected
191	.rdy_pin = AT91_PIN_PC15,
192	.enable_pin = AT91_PIN_PC14,
193	.partition_info = nand_partitions,
194	#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
195	.bus_width_16 = 1,
196	#else
197	.bus_width_16 = 0,
198	#endif
199	};
200
23522728 AV	201	/*
	202	* ADS7846 Touchscreen
	203	*/
	204	#if defined(CONFIG_TOUCHSCREEN_ADS7846) \|\| defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
	205
	206	static int ads7843_pendown_state(void)
	207	{
	208	return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
	209	}
	210
	211	static struct ads7846_platform_data ads_info = {
	212	.model = 7843,
	213	.x_min = 150,
	214	.x_max = 3830,
	215	.y_min = 190,
	216	.y_max = 3830,
	217	.vref_delay_usecs = 100,
	218	.x_plate_ohms = 450,
	219	.y_plate_ohms = 250,
	220	.pressure_max = 15000,
	221	.debounce_max = 1,
	222	.debounce_rep = 0,
	223	.debounce_tol = (~0),
	224	.get_pendown_state = ads7843_pendown_state,
	225	};
	226
	227	static void __init ek_add_device_ts(void)
	228	{
	229	at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
	230	at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
	231	}
	232	#else
	233	static void __init ek_add_device_ts(void) {}
	234	#endif
	235
022cbd73 AV	236	/*
	237	* SPI devices
	238	*/
	239	static struct spi_board_info ek_spi_devices[] = {
	240	{ /* DataFlash chip */
	241	.modalias = "mtd_dataflash",
	242	.chip_select = 0,
	243	.max_speed_hz = 15 * 1000 * 1000,
	244	.bus_num = 0,
	245	},
23522728 AV	246	#if defined(CONFIG_TOUCHSCREEN_ADS7846) \|\| defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
	247	{
	248	.modalias = "ads7846",
	249	.chip_select = 2,
	250	.max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
	251	.bus_num = 0,
	252	.platform_data = &ads_info,
	253	.irq = AT91SAM9261_ID_IRQ0,
	254	},
	255	#endif
022cbd73 AV	256	#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
	257	{ /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
	258	.modalias = "mtd_dataflash",
	259	.chip_select = 3,
	260	.max_speed_hz = 15 * 1000 * 1000,
	261	.bus_num = 0,
	262	},
23522728	263	#elif defined(CONFIG_SND_AT73C213) \|\| defined(CONFIG_SND_AT73C213_MODULE)
022cbd73	264	{ /* AT73C213 DAC */
23522728	265	.modalias = "at73c213",
022cbd73 AV	266	.chip_select = 3,
	267	.max_speed_hz = 10 * 1000 * 1000,
	268	.bus_num = 0,
	269	},
	270	#endif
	271	};
	272
	273
	274	static void __init ek_board_init(void)
	275	{
	276	/* Serial */
	277	at91_add_device_serial();
	278	/* USB Host */
	279	at91_add_device_usbh(&ek_usbh_data);
	280	/* USB Device */
	281	at91_add_device_udc(&ek_udc_data);
	282	/* I2C */
	283	at91_add_device_i2c();
	284	/* NAND */
	285	at91_add_device_nand(&ek_nand_data);
	286	/* DM9000 ethernet */
	287	ek_add_device_dm9000();
	288
	289	/* spi0 and mmc/sd share the same PIO pins */
	290	#if defined(CONFIG_SPI_ATMEL) \|\| defined(CONFIG_SPI_ATMEL_MODULE)
	291	/* SPI */
	292	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
23522728 AV	293	/* Touchscreen */
23522728 AV	294	ek_add_device_ts();
022cbd73 AV	295	#else
022cbd73 AV	296	/* MMC */
d0760b3b	297	at91_add_device_mmc(0, &ek_mmc_data);
022cbd73 AV	298	#endif
	299	}
	300
	301	MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
	302	/* Maintainer: Atmel */
	303	.phys_io = AT91_BASE_SYS,
	304	.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
	305	.boot_params = AT91_SDRAM_BASE + 0x100,
	306	.timer = &at91sam926x_timer,
	307	.map_io = ek_map_io,
	308	.init_irq = ek_init_irq,
	309	.init_machine = ek_board_init,
	310	MACHINE_END