[linux-2.6-block.git] / arch / arm / mach-at91 / board-stamp9g20.c

/*
 *  Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
 *                     taskit GmbH
 *
 * 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/mm.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/w1-gpio.h>

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

#include <mach/at91sam9_smc.h>

#include "at91_aic.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"


void __init stamp9g20_init_early(void)
{
	/* Initialize processor: 18.432 MHz crystal */
	at91_initialize(18432000);
}

/*
 * NAND flash
 */
static struct atmel_nand_data __initdata nand_data = {
	.ale		= 21,
	.cle		= 22,
	.rdy_pin	= AT91_PIN_PC13,
	.enable_pin	= AT91_PIN_PC14,
	.bus_width_16	= 0,
	.det_pin	= -EINVAL,
	.ecc_mode	= NAND_ECC_SOFT,
};

static struct sam9_smc_config __initdata 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 | AT91_SMC_DBW_8,
	.tdf_cycles		= 3,
};

static void __init add_device_nand(void)
{
	/* configure chip-select 3 (NAND) */
	sam9_smc_configure(0, 3, &nand_smc_config);

	at91_add_device_nand(&nand_data);
}


/*
 * MCI (SD/MMC)
 * det_pin, wp_pin and vcc_pin are not connected
 */
static struct mci_platform_data __initdata mmc_data = {
	.slot[0] = {
		.bus_width	= 4,
		.detect_pin	= -1,
		.wp_pin		= -1,
	},
};


/*
 * USB Host port
 */
static struct at91_usbh_data __initdata usbh_data = {
	.ports		= 2,
	.vbus_pin	= {-EINVAL, -EINVAL},
	.overcurrent_pin= {-EINVAL, -EINVAL},
};


/*
 * USB Device port
 */
static struct at91_udc_data __initdata portuxg20_udc_data = {
	.vbus_pin	= AT91_PIN_PC7,
	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
};

static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
	.vbus_pin	= AT91_PIN_PA22,
	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
};


/*
 * MACB Ethernet device
 */
static struct macb_platform_data __initdata macb_data = {
	.phy_irq_pin	= AT91_PIN_PA28,
	.is_rmii	= 1,
};


/*
 * LEDs
 */
static struct gpio_led portuxg20_leds[] = {
	{
		.name			= "LED2",
		.gpio			= AT91_PIN_PC5,
		.default_trigger	= "none",
	}, {
		.name			= "LED3",
		.gpio			= AT91_PIN_PC4,
		.default_trigger	= "none",
	}, {
		.name			= "LED4",
		.gpio			= AT91_PIN_PC10,
		.default_trigger	= "heartbeat",
	}
};

static struct gpio_led stamp9g20evb_leds[] = {
	{
		.name			= "D8",
		.gpio			= AT91_PIN_PB18,
		.active_low		= 1,
		.default_trigger	= "none",
	}, {
		.name			= "D9",
		.gpio			= AT91_PIN_PB19,
		.active_low		= 1,
		.default_trigger	= "none",
	}, {
		.name			= "D10",
		.gpio			= AT91_PIN_PB20,
		.active_low		= 1,
		.default_trigger	= "heartbeat",
	}
};


/*
 * SPI devices
 */
static struct spi_board_info portuxg20_spi_devices[] = {
	{
		.modalias	= "spidev",
		.chip_select	= 0,
		.max_speed_hz	= 1 * 1000 * 1000,
		.bus_num	= 0,
	}, {
		.modalias	= "spidev",
		.chip_select	= 0,
		.max_speed_hz	= 1 * 1000 * 1000,
		.bus_num	= 1,
	},
};


/*
 * Dallas 1-Wire
 */
static struct w1_gpio_platform_data w1_gpio_pdata = {
	.pin		= AT91_PIN_PA29,
	.is_open_drain	= 1,
};

static struct platform_device w1_device = {
	.name			= "w1-gpio",
	.id			= -1,
	.dev.platform_data	= &w1_gpio_pdata,
};

void add_w1(void)
{
	at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
	at91_set_multi_drive(w1_gpio_pdata.pin, 1);
	platform_device_register(&w1_device);
}


void __init stamp9g20_board_init(void)
{
	/* Serial */
	/* DGBU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);
	at91_add_device_serial();
	/* NAND */
	add_device_nand();
	/* MMC */
	at91_add_device_mci(0, &mmc_data);
	/* W1 */
	add_w1();
}

static void __init portuxg20_board_init(void)
{
	/* 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, CTS, RTS) */
	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);

	/* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
	at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);

	/* USART4 on ttyS5. (Rx, Tx only) */
	at91_register_uart(AT91SAM9260_ID_US4, 5, 0);

	/* USART5 on ttyS6. (Rx, Tx only) */
	at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
	stamp9g20_board_init();
	/* USB Host */
	at91_add_device_usbh(&usbh_data);
	/* USB Device */
	at91_add_device_udc(&portuxg20_udc_data);
	/* Ethernet */
	at91_add_device_eth(&macb_data);
	/* I2C */
	at91_add_device_i2c(NULL, 0);
	/* SPI */
	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
	/* LEDs */
	at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
}

static void __init stamp9g20evb_board_init(void)
{
	/* 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);
	stamp9g20_board_init();
	/* USB Host */
	at91_add_device_usbh(&usbh_data);
	/* USB Device */
	at91_add_device_udc(&stamp9g20evb_udc_data);
	/* Ethernet */
	at91_add_device_eth(&macb_data);
	/* I2C */
	at91_add_device_i2c(NULL, 0);
	/* LEDs */
	at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
}

MACHINE_START(PORTUXG20, "taskit PortuxG20")
	/* Maintainer: taskit GmbH */
	.init_time	= at91sam926x_pit_init,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= stamp9g20_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= portuxg20_board_init,
MACHINE_END

MACHINE_START(STAMP9G20, "taskit Stamp9G20")
	/* Maintainer: taskit GmbH */
	.init_time	= at91sam926x_pit_init,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= stamp9g20_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= stamp9g20evb_board_init,
MACHINE_END
Commit	Line	Data
9b404b7c CG	1	/*
	2	* Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
	3	* taskit GmbH
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*/
	19
	20	#include <linux/mm.h>
	21	#include <linux/platform_device.h>
	22	#include <linux/gpio.h>
	23	#include <linux/w1-gpio.h>
	24
	25	#include <asm/mach-types.h>
	26	#include <asm/mach/arch.h>
	27
9b404b7c CG	28	#include <mach/at91sam9_smc.h>
9b404b7c CG	29
a510b9ba	30	#include "at91_aic.h"
43d2f532	31	#include "board.h"
9b404b7c CG	32	#include "sam9_smc.h"
	33	#include "generic.h"
	34
	35
1b021a3b	36	void __init stamp9g20_init_early(void)
9b404b7c CG	37	{
9b404b7c CG	38	/* Initialize processor: 18.432 MHz crystal */
21d08b9d	39	at91_initialize(18432000);
9b404b7c CG	40	}
9b404b7c CG	41
9b404b7c CG	42	/*
	43	* NAND flash
	44	*/
	45	static struct atmel_nand_data __initdata nand_data = {
	46	.ale = 21,
	47	.cle = 22,
	48	.rdy_pin = AT91_PIN_PC13,
	49	.enable_pin = AT91_PIN_PC14,
	50	.bus_width_16 = 0,
63b4c296	51	.det_pin = -EINVAL,
bf4289cb	52	.ecc_mode = NAND_ECC_SOFT,
9b404b7c CG	53	};
	54
	55	static struct sam9_smc_config __initdata nand_smc_config = {
	56	.ncs_read_setup = 0,
	57	.nrd_setup = 2,
	58	.ncs_write_setup = 0,
	59	.nwe_setup = 2,
	60
	61	.ncs_read_pulse = 4,
	62	.nrd_pulse = 4,
	63	.ncs_write_pulse = 4,
	64	.nwe_pulse = 4,
	65
	66	.read_cycle = 7,
	67	.write_cycle = 7,
	68
	69	.mode = AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE \| AT91_SMC_DBW_8,
	70	.tdf_cycles = 3,
	71	};
	72
	73	static void __init add_device_nand(void)
	74	{
	75	/* configure chip-select 3 (NAND) */
faee0cc3	76	sam9_smc_configure(0, 3, &nand_smc_config);
9b404b7c CG	77
	78	at91_add_device_nand(&nand_data);
	79	}
	80
	81
	82	/*
	83	* MCI (SD/MMC)
	84	* det_pin, wp_pin and vcc_pin are not connected
	85	*/
9b404b7c CG	86	static struct mci_platform_data __initdata mmc_data = {
	87	.slot[0] = {
	88	.bus_width = 4,
0363e3da OJ	89	.detect_pin = -1,
0363e3da OJ	90	.wp_pin = -1,
9b404b7c CG	91	},
9b404b7c CG	92	};
9b404b7c CG	93
	94
	95	/*
	96	* USB Host port
	97	*/
	98	static struct at91_usbh_data __initdata usbh_data = {
	99	.ports = 2,
63b4c296 JCPV	100	.vbus_pin = {-EINVAL, -EINVAL},
63b4c296 JCPV	101	.overcurrent_pin= {-EINVAL, -EINVAL},
9b404b7c CG	102	};
	103
	104
	105	/*
	106	* USB Device port
	107	*/
	108	static struct at91_udc_data __initdata portuxg20_udc_data = {
	109	.vbus_pin = AT91_PIN_PC7,
63b4c296	110	.pullup_pin = -EINVAL, /* pull-up driven by UDC */
9b404b7c CG	111	};
9b404b7c CG	112
c20b4dd3	113	static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
9b404b7c	114	.vbus_pin = AT91_PIN_PA22,
63b4c296	115	.pullup_pin = -EINVAL, /* pull-up driven by UDC */
9b404b7c CG	116	};
	117
	118
	119	/*
	120	* MACB Ethernet device
	121	*/
84e0cdb0	122	static struct macb_platform_data __initdata macb_data = {
9b404b7c CG	123	.phy_irq_pin = AT91_PIN_PA28,
	124	.is_rmii = 1,
	125	};
	126
	127
	128	/*
	129	* LEDs
	130	*/
	131	static struct gpio_led portuxg20_leds[] = {
	132	{
	133	.name = "LED2",
	134	.gpio = AT91_PIN_PC5,
	135	.default_trigger = "none",
	136	}, {
	137	.name = "LED3",
	138	.gpio = AT91_PIN_PC4,
	139	.default_trigger = "none",
	140	}, {
	141	.name = "LED4",
	142	.gpio = AT91_PIN_PC10,
	143	.default_trigger = "heartbeat",
	144	}
	145	};
	146
c20b4dd3	147	static struct gpio_led stamp9g20evb_leds[] = {
9b404b7c CG	148	{
	149	.name = "D8",
	150	.gpio = AT91_PIN_PB18,
	151	.active_low = 1,
	152	.default_trigger = "none",
	153	}, {
	154	.name = "D9",
	155	.gpio = AT91_PIN_PB19,
	156	.active_low = 1,
	157	.default_trigger = "none",
	158	}, {
	159	.name = "D10",
	160	.gpio = AT91_PIN_PB20,
	161	.active_low = 1,
	162	.default_trigger = "heartbeat",
	163	}
	164	};
	165
	166
	167	/*
	168	* SPI devices
	169	*/
	170	static struct spi_board_info portuxg20_spi_devices[] = {
	171	{
	172	.modalias = "spidev",
	173	.chip_select = 0,
	174	.max_speed_hz = 1 * 1000 * 1000,
	175	.bus_num = 0,
	176	}, {
	177	.modalias = "spidev",
	178	.chip_select = 0,
	179	.max_speed_hz = 1 * 1000 * 1000,
	180	.bus_num = 1,
	181	},
	182	};
	183
	184
	185	/*
	186	* Dallas 1-Wire
	187	*/
	188	static struct w1_gpio_platform_data w1_gpio_pdata = {
	189	.pin = AT91_PIN_PA29,
	190	.is_open_drain = 1,
	191	};
	192
	193	static struct platform_device w1_device = {
	194	.name = "w1-gpio",
	195	.id = -1,
	196	.dev.platform_data = &w1_gpio_pdata,
	197	};
	198
	199	void add_w1(void)
	200	{
	201	at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
	202	at91_set_multi_drive(w1_gpio_pdata.pin, 1);
	203	platform_device_register(&w1_device);
	204	}
	205
	206
c20b4dd3	207	void __init stamp9g20_board_init(void)
9b404b7c CG	208	{
9b404b7c CG	209	/* Serial */
71b149b3 JCPV	210	/* DGBU on ttyS0. (Rx & Tx only) */
71b149b3 JCPV	211	at91_register_uart(0, 0, 0);
9b404b7c CG	212	at91_add_device_serial();
	213	/* NAND */
	214	add_device_nand();
	215	/* MMC */
9b404b7c	216	at91_add_device_mci(0, &mmc_data);
9b404b7c CG	217	/* W1 */
	218	add_w1();
	219	}
	220
	221	static void __init portuxg20_board_init(void)
	222	{
71b149b3 JCPV	223	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	224	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS \| ATMEL_UART_RTS
	225	\| ATMEL_UART_DTR \| ATMEL_UART_DSR
	226	\| ATMEL_UART_DCD \| ATMEL_UART_RI);
	227
	228	/* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
	229	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS \| ATMEL_UART_RTS);
	230
	231	/* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
	232	at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS \| ATMEL_UART_RTS);
	233
	234	/* USART4 on ttyS5. (Rx, Tx only) */
	235	at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
	236
	237	/* USART5 on ttyS6. (Rx, Tx only) */
	238	at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
c20b4dd3 CG	239	stamp9g20_board_init();
	240	/* USB Host */
	241	at91_add_device_usbh(&usbh_data);
9b404b7c CG	242	/* USB Device */
9b404b7c CG	243	at91_add_device_udc(&portuxg20_udc_data);
c20b4dd3 CG	244	/* Ethernet */
	245	at91_add_device_eth(&macb_data);
	246	/* I2C */
	247	at91_add_device_i2c(NULL, 0);
	248	/* SPI */
	249	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
9b404b7c CG	250	/* LEDs */
	251	at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
	252	}
	253
c20b4dd3	254	static void __init stamp9g20evb_board_init(void)
9b404b7c	255	{
71b149b3 JCPV	256	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	257	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS \| ATMEL_UART_RTS
	258	\| ATMEL_UART_DTR \| ATMEL_UART_DSR
	259	\| ATMEL_UART_DCD \| ATMEL_UART_RI);
c20b4dd3 CG	260	stamp9g20_board_init();
	261	/* USB Host */
	262	at91_add_device_usbh(&usbh_data);
9b404b7c	263	/* USB Device */
c20b4dd3 CG	264	at91_add_device_udc(&stamp9g20evb_udc_data);
	265	/* Ethernet */
	266	at91_add_device_eth(&macb_data);
	267	/* I2C */
	268	at91_add_device_i2c(NULL, 0);
9b404b7c	269	/* LEDs */
c20b4dd3	270	at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
9b404b7c CG	271	}
	272
	273	MACHINE_START(PORTUXG20, "taskit PortuxG20")
	274	/* Maintainer: taskit GmbH */
6bb27d73	275	.init_time = at91sam926x_pit_init,
21d08b9d	276	.map_io = at91_map_io,
3e135466	277	.handle_irq = at91_aic_handle_irq,
71b149b3	278	.init_early = stamp9g20_init_early,
92100c12	279	.init_irq = at91_init_irq_default,
9b404b7c CG	280	.init_machine = portuxg20_board_init,
	281	MACHINE_END
	282
	283	MACHINE_START(STAMP9G20, "taskit Stamp9G20")
	284	/* Maintainer: taskit GmbH */
6bb27d73	285	.init_time = at91sam926x_pit_init,
21d08b9d	286	.map_io = at91_map_io,
3e135466	287	.handle_irq = at91_aic_handle_irq,
71b149b3	288	.init_early = stamp9g20_init_early,
92100c12	289	.init_irq = at91_init_irq_default,
c20b4dd3	290	.init_machine = stamp9g20evb_board_init,
9b404b7c	291	MACHINE_END