[deliverable/linux.git] / arch / arm / mach-at91 / board-sam9260ek.c

/*
 * linux/arch/arm/mach-at91/board-sam9260ek.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/at73c213.h>
#include <linux/clk.h>
#include <linux/i2c/at24.h>
#include <linux/gpio_keys.h>
#include <linux/input.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/hardware.h>
#include <mach/board.h>
#include <mach/gpio.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 */
};


/*
 * Audio
 */
static struct at73c213_board_info at73c213_data = {
	.ssc_id		= 0,
	.shortname	= "AT91SAM9260-EK external DAC",
};

#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
static void __init at73c213_set_clk(struct at73c213_board_info *info)
{
	struct clk *pck0;
	struct clk *plla;

	pck0 = clk_get(NULL, "pck0");
	plla = clk_get(NULL, "plla");

	/* AT73C213 MCK Clock */
	at91_set_B_periph(AT91_PIN_PC1, 0);	/* PCK0 */

	clk_set_parent(pck0, plla);
	clk_put(plla);

	info->dac_clk = pck0;
}
#else
static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
#endif

/*
 * SPI devices.
 */
static struct spi_board_info ek_spi_devices[] = {
#if !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
#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
	{	/* AT73C213 DAC */
		.modalias	= "at73c213",
		.chip_select	= 0,
		.max_speed_hz	= 10 * 1000 * 1000,
		.bus_num	= 1,
		.mode		= SPI_MODE_1,
		.platform_data	= &at73c213_data,
	},
#endif
};


/*
 * MACB Ethernet device
 */
static struct at91_eth_data __initdata ek_macb_data = {
	.phy_irq_pin	= AT91_PIN_PA7,
	.is_rmii	= 1,
};


/*
 * NAND flash
 */
static struct mtd_partition __initdata ek_nand_partition[] = {
	{
		.name	= "Partition 1",
		.offset	= 0,
		.size	= SZ_256K,
	},
	{
		.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;
}

static struct atmel_nand_data __initdata ek_nand_data = {
	.ale		= 21,
	.cle		= 22,
//	.det_pin	= ... not connected
	.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
};


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


/*
 * LEDs
 */
static struct gpio_led ek_leds[] = {
	{	/* "bottom" led, green, userled1 to be defined */
		.name			= "ds5",
		.gpio			= AT91_PIN_PA6,
		.active_low		= 1,
		.default_trigger	= "none",
	},
	{	/* "power" led, yellow */
		.name			= "ds1",
		.gpio			= AT91_PIN_PA9,
		.default_trigger	= "heartbeat",
	}
};

/*
 * I2C devices
 */
static struct at24_platform_data at24c512 = {
	.byte_len	= SZ_512K / 8,
	.page_size	= 128,
	.flags		= AT24_FLAG_ADDR16,
};

static struct i2c_board_info __initdata ek_i2c_devices[] = {
	{
		I2C_BOARD_INFO("24c512", 0x50),
		.platform_data = &at24c512,
	},
	/* more devices can be added using expansion connectors */
};


/*
 * GPIO Buttons
 */
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button ek_buttons[] = {
	{
		.gpio		= AT91_PIN_PA30,
		.code		= BTN_3,
		.desc		= "Button 3",
		.active_low	= 1,
		.wakeup		= 1,
	},
	{
		.gpio		= AT91_PIN_PA31,
		.code		= BTN_4,
		.desc		= "Button 4",
		.active_low	= 1,
		.wakeup		= 1,
	}
};

static struct gpio_keys_platform_data ek_button_data = {
	.buttons	= ek_buttons,
	.nbuttons	= ARRAY_SIZE(ek_buttons),
};

static struct platform_device ek_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &ek_button_data,
	}
};

static void __init ek_add_device_buttons(void)
{
	at91_set_gpio_input(AT91_PIN_PA30, 1);	/* btn3 */
	at91_set_deglitch(AT91_PIN_PA30, 1);
	at91_set_gpio_input(AT91_PIN_PA31, 1);	/* btn4 */
	at91_set_deglitch(AT91_PIN_PA31, 1);

	platform_device_register(&ek_button_device);
}
#else
static void __init ek_add_device_buttons(void) {}
#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);
	/* SPI */
	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
	/* NAND */
	at91_add_device_nand(&ek_nand_data);
	/* Ethernet */
	at91_add_device_eth(&ek_macb_data);
	/* MMC */
	at91_add_device_mmc(0, &ek_mmc_data);
	/* I2C */
	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
	/* SSC (to AT73C213) */
	at73c213_set_clk(&at73c213_data);
	at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
	/* LEDs */
	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
	/* Push Buttons */
	ek_add_device_buttons();
}

MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-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
b85a8914	1	/*
d0760b3b	2	* linux/arch/arm/mach-at91/board-sam9260ek.c
b85a8914 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>
5e9df924 AV	28	#include <linux/spi/at73c213.h>
5e9df924 AV	29	#include <linux/clk.h>
a745a622	30	#include <linux/i2c/at24.h>
2e9f12d6 AV	31	#include <linux/gpio_keys.h>
2e9f12d6 AV	32	#include <linux/input.h>
b85a8914	33
b85a8914 AV	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
e505240b	42	#include <mach/hardware.h>
a09e64fb RK	43	#include <mach/board.h>
a09e64fb RK	44	#include <mach/gpio.h>
b85a8914 AV	45
	46	#include "generic.h"
	47
	48
b85a8914 AV	49	static void __init ek_map_io(void)
	50	{
	51	/* Initialize processor: 18.432 MHz crystal */
	52	at91sam9260_initialize(18432000);
	53
a3da1222 AV	54	/* DGBU on ttyS0. (Rx & Tx only) */
	55	at91_register_uart(0, 0, 0);
	56
	57	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	58	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS \| ATMEL_UART_RTS
	59	\| ATMEL_UART_DTR \| ATMEL_UART_DSR \| ATMEL_UART_DCD
	60	\| ATMEL_UART_RI);
	61
	62	/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
	63	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS \| ATMEL_UART_RTS);
	64
	65	/* set serial console to ttyS0 (ie, DBGU) */
	66	at91_set_serial_console(0);
b85a8914 AV	67	}
	68
	69	static void __init ek_init_irq(void)
	70	{
	71	at91sam9260_init_interrupts(NULL);
	72	}
	73
	74
	75	/*
	76	* USB Host port
	77	*/
	78	static struct at91_usbh_data __initdata ek_usbh_data = {
	79	.ports = 2,
	80	};
	81
	82	/*
	83	* USB Device port
	84	*/
	85	static struct at91_udc_data __initdata ek_udc_data = {
	86	.vbus_pin = AT91_PIN_PC5,
	87	.pullup_pin = 0, /* pull-up driven by UDC */
	88	};
	89
	90
5e9df924 AV	91	/*
	92	* Audio
	93	*/
	94	static struct at73c213_board_info at73c213_data = {
	95	.ssc_id = 0,
	96	.shortname = "AT91SAM9260-EK external DAC",
	97	};
	98
	99	#if defined(CONFIG_SND_AT73C213) \|\| defined(CONFIG_SND_AT73C213_MODULE)
	100	static void __init at73c213_set_clk(struct at73c213_board_info *info)
	101	{
	102	struct clk *pck0;
	103	struct clk *plla;
	104
	105	pck0 = clk_get(NULL, "pck0");
	106	plla = clk_get(NULL, "plla");
	107
	108	/* AT73C213 MCK Clock */
	109	at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */
	110
	111	clk_set_parent(pck0, plla);
	112	clk_put(plla);
	113
	114	info->dac_clk = pck0;
	115	}
	116	#else
	117	static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
	118	#endif
	119
b85a8914 AV	120	/*
	121	* SPI devices.
	122	*/
	123	static struct spi_board_info ek_spi_devices[] = {
	124	#if !defined(CONFIG_MMC_AT91)
	125	{ /* DataFlash chip */
	126	.modalias = "mtd_dataflash",
	127	.chip_select = 1,
	128	.max_speed_hz = 15 * 1000 * 1000,
	129	.bus_num = 0,
	130	},
	131	#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
	132	{ /* DataFlash card */
	133	.modalias = "mtd_dataflash",
	134	.chip_select = 0,
	135	.max_speed_hz = 15 * 1000 * 1000,
	136	.bus_num = 0,
	137	},
	138	#endif
	139	#endif
93afa752	140	#if defined(CONFIG_SND_AT73C213) \|\| defined(CONFIG_SND_AT73C213_MODULE)
b85a8914	141	{ /* AT73C213 DAC */
93afa752	142	.modalias = "at73c213",
b85a8914 AV	143	.chip_select = 0,
	144	.max_speed_hz = 10 * 1000 * 1000,
	145	.bus_num = 1,
5e9df924 AV	146	.mode = SPI_MODE_1,
5e9df924 AV	147	.platform_data = &at73c213_data,
b85a8914 AV	148	},
	149	#endif
	150	};
	151
	152
	153	/*
	154	* MACB Ethernet device
	155	*/
3e18c8dd	156	static struct at91_eth_data __initdata ek_macb_data = {
44853a81	157	.phy_irq_pin = AT91_PIN_PA7,
b85a8914 AV	158	.is_rmii = 1,
	159	};
	160
	161
	162	/*
	163	* NAND flash
	164	*/
	165	static struct mtd_partition __initdata ek_nand_partition[] = {
	166	{
	167	.name = "Partition 1",
	168	.offset = 0,
e505240b	169	.size = SZ_256K,
b85a8914 AV	170	},
	171	{
	172	.name = "Partition 2",
e505240b	173	.offset = MTDPART_OFS_NXTBLK,
b85a8914 AV	174	.size = MTDPART_SIZ_FULL,
	175	},
	176	};
	177
3e18c8dd	178	static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
b85a8914 AV	179	{
	180	*num_partitions = ARRAY_SIZE(ek_nand_partition);
	181	return ek_nand_partition;
	182	}
	183
3c3796cc	184	static struct atmel_nand_data __initdata ek_nand_data = {
b85a8914 AV	185	.ale = 21,
	186	.cle = 22,
	187	// .det_pin = ... not connected
	188	.rdy_pin = AT91_PIN_PC13,
	189	.enable_pin = AT91_PIN_PC14,
	190	.partition_info = nand_partitions,
f6ed6f78	191	#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
b85a8914 AV	192	.bus_width_16 = 1,
	193	#else
	194	.bus_width_16 = 0,
	195	#endif
	196	};
	197
	198
	199	/*
	200	* MCI (SD/MMC)
	201	*/
	202	static struct at91_mmc_data __initdata ek_mmc_data = {
	203	.slot_b = 1,
	204	.wire4 = 1,
	205	// .det_pin = ... not connected
	206	// .wp_pin = ... not connected
	207	// .vcc_pin = ... not connected
	208	};
	209
5b7659d1 AV	210
	211	/*
	212	* LEDs
	213	*/
	214	static struct gpio_led ek_leds[] = {
	215	{ /* "bottom" led, green, userled1 to be defined */
	216	.name = "ds5",
	217	.gpio = AT91_PIN_PA6,
	218	.active_low = 1,
	219	.default_trigger = "none",
	220	},
	221	{ /* "power" led, yellow */
	222	.name = "ds1",
	223	.gpio = AT91_PIN_PA9,
	224	.default_trigger = "heartbeat",
	225	}
	226	};
	227
a745a622 DB	228	/*
	229	* I2C devices
	230	*/
	231	static struct at24_platform_data at24c512 = {
	232	.byte_len = SZ_512K / 8,
	233	.page_size = 128,
	234	.flags = AT24_FLAG_ADDR16,
	235	};
	236
	237	static struct i2c_board_info __initdata ek_i2c_devices[] = {
	238	{
	239	I2C_BOARD_INFO("24c512", 0x50),
	240	.platform_data = &at24c512,
	241	},
	242	/* more devices can be added using expansion connectors */
	243	};
	244
2e9f12d6 AV	245
	246	/*
	247	* GPIO Buttons
	248	*/
	249	#if defined(CONFIG_KEYBOARD_GPIO) \|\| defined(CONFIG_KEYBOARD_GPIO_MODULE)
	250	static struct gpio_keys_button ek_buttons[] = {
	251	{
	252	.gpio = AT91_PIN_PA30,
	253	.code = BTN_3,
	254	.desc = "Button 3",
	255	.active_low = 1,
	256	.wakeup = 1,
	257	},
	258	{
	259	.gpio = AT91_PIN_PA31,
	260	.code = BTN_4,
	261	.desc = "Button 4",
	262	.active_low = 1,
	263	.wakeup = 1,
	264	}
	265	};
	266
	267	static struct gpio_keys_platform_data ek_button_data = {
	268	.buttons = ek_buttons,
	269	.nbuttons = ARRAY_SIZE(ek_buttons),
	270	};
	271
	272	static struct platform_device ek_button_device = {
	273	.name = "gpio-keys",
	274	.id = -1,
	275	.num_resources = 0,
	276	.dev = {
	277	.platform_data = &ek_button_data,
	278	}
	279	};
	280
	281	static void __init ek_add_device_buttons(void)
	282	{
	283	at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */
	284	at91_set_deglitch(AT91_PIN_PA30, 1);
	285	at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */
	286	at91_set_deglitch(AT91_PIN_PA31, 1);
	287
	288	platform_device_register(&ek_button_device);
	289	}
	290	#else
	291	static void __init ek_add_device_buttons(void) {}
	292	#endif
	293
	294
b85a8914 AV	295	static void __init ek_board_init(void)
	296	{
	297	/* Serial */
	298	at91_add_device_serial();
	299	/* USB Host */
	300	at91_add_device_usbh(&ek_usbh_data);
	301	/* USB Device */
	302	at91_add_device_udc(&ek_udc_data);
	303	/* SPI */
	304	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
	305	/* NAND */
	306	at91_add_device_nand(&ek_nand_data);
	307	/* Ethernet */
	308	at91_add_device_eth(&ek_macb_data);
	309	/* MMC */
d0760b3b	310	at91_add_device_mmc(0, &ek_mmc_data);
93afa752	311	/* I2C */
a745a622	312	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
5e9df924 AV	313	/* SSC (to AT73C213) */
	314	at73c213_set_clk(&at73c213_data);
	315	at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
5b7659d1 AV	316	/* LEDs */
5b7659d1 AV	317	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
2e9f12d6 AV	318	/* Push Buttons */
2e9f12d6 AV	319	ek_add_device_buttons();
b85a8914 AV	320	}
	321
	322	MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
	323	/* Maintainer: Atmel */
	324	.phys_io = AT91_BASE_SYS,
	325	.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
	326	.boot_params = AT91_SDRAM_BASE + 0x100,
	327	.timer = &at91sam926x_timer,
	328	.map_io = ek_map_io,
	329	.init_irq = ek_init_irq,
	330	.init_machine = ek_board_init,
	331	MACHINE_END