[deliverable/linux.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 <mach/hardware.h>

#include "at91_aic.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"
#include "gpio.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,
	.ext_pullup_enable_pin	= -EINVAL,
};

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	28	#include <mach/at91sam9_smc.h>
ac11a1d4	29	#include <mach/hardware.h>
9b404b7c	30
a510b9ba	31	#include "at91_aic.h"
43d2f532	32	#include "board.h"
9b404b7c CG	33	#include "sam9_smc.h"
9b404b7c CG	34	#include "generic.h"
cf2e933c	35	#include "gpio.h"
9b404b7c CG	36
9b404b7c CG	37
1b021a3b	38	void __init stamp9g20_init_early(void)
9b404b7c CG	39	{
9b404b7c CG	40	/* Initialize processor: 18.432 MHz crystal */
21d08b9d	41	at91_initialize(18432000);
9b404b7c CG	42	}
9b404b7c CG	43
9b404b7c CG	44	/*
	45	* NAND flash
	46	*/
	47	static struct atmel_nand_data __initdata nand_data = {
	48	.ale = 21,
	49	.cle = 22,
	50	.rdy_pin = AT91_PIN_PC13,
	51	.enable_pin = AT91_PIN_PC14,
	52	.bus_width_16 = 0,
63b4c296	53	.det_pin = -EINVAL,
bf4289cb	54	.ecc_mode = NAND_ECC_SOFT,
9b404b7c CG	55	};
	56
	57	static struct sam9_smc_config __initdata nand_smc_config = {
	58	.ncs_read_setup = 0,
	59	.nrd_setup = 2,
	60	.ncs_write_setup = 0,
	61	.nwe_setup = 2,
	62
	63	.ncs_read_pulse = 4,
	64	.nrd_pulse = 4,
	65	.ncs_write_pulse = 4,
	66	.nwe_pulse = 4,
	67
	68	.read_cycle = 7,
	69	.write_cycle = 7,
	70
	71	.mode = AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE \| AT91_SMC_DBW_8,
	72	.tdf_cycles = 3,
	73	};
	74
	75	static void __init add_device_nand(void)
	76	{
	77	/* configure chip-select 3 (NAND) */
faee0cc3	78	sam9_smc_configure(0, 3, &nand_smc_config);
9b404b7c CG	79
	80	at91_add_device_nand(&nand_data);
	81	}
	82
	83
	84	/*
	85	* MCI (SD/MMC)
	86	* det_pin, wp_pin and vcc_pin are not connected
	87	*/
9b404b7c CG	88	static struct mci_platform_data __initdata mmc_data = {
	89	.slot[0] = {
	90	.bus_width = 4,
0363e3da OJ	91	.detect_pin = -1,
0363e3da OJ	92	.wp_pin = -1,
9b404b7c CG	93	},
9b404b7c CG	94	};
9b404b7c CG	95
	96
	97	/*
	98	* USB Host port
	99	*/
	100	static struct at91_usbh_data __initdata usbh_data = {
	101	.ports = 2,
63b4c296 JCPV	102	.vbus_pin = {-EINVAL, -EINVAL},
63b4c296 JCPV	103	.overcurrent_pin= {-EINVAL, -EINVAL},
9b404b7c CG	104	};
	105
	106
	107	/*
	108	* USB Device port
	109	*/
	110	static struct at91_udc_data __initdata portuxg20_udc_data = {
	111	.vbus_pin = AT91_PIN_PC7,
63b4c296	112	.pullup_pin = -EINVAL, /* pull-up driven by UDC */
9b404b7c CG	113	};
9b404b7c CG	114
c20b4dd3	115	static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
9b404b7c	116	.vbus_pin = AT91_PIN_PA22,
63b4c296	117	.pullup_pin = -EINVAL, /* pull-up driven by UDC */
9b404b7c CG	118	};
	119
	120
	121	/*
	122	* MACB Ethernet device
	123	*/
84e0cdb0	124	static struct macb_platform_data __initdata macb_data = {
9b404b7c CG	125	.phy_irq_pin = AT91_PIN_PA28,
	126	.is_rmii = 1,
	127	};
	128
	129
	130	/*
	131	* LEDs
	132	*/
	133	static struct gpio_led portuxg20_leds[] = {
	134	{
	135	.name = "LED2",
	136	.gpio = AT91_PIN_PC5,
	137	.default_trigger = "none",
	138	}, {
	139	.name = "LED3",
	140	.gpio = AT91_PIN_PC4,
	141	.default_trigger = "none",
	142	}, {
	143	.name = "LED4",
	144	.gpio = AT91_PIN_PC10,
	145	.default_trigger = "heartbeat",
	146	}
	147	};
	148
c20b4dd3	149	static struct gpio_led stamp9g20evb_leds[] = {
9b404b7c CG	150	{
	151	.name = "D8",
	152	.gpio = AT91_PIN_PB18,
	153	.active_low = 1,
	154	.default_trigger = "none",
	155	}, {
	156	.name = "D9",
	157	.gpio = AT91_PIN_PB19,
	158	.active_low = 1,
	159	.default_trigger = "none",
	160	}, {
	161	.name = "D10",
	162	.gpio = AT91_PIN_PB20,
	163	.active_low = 1,
	164	.default_trigger = "heartbeat",
	165	}
	166	};
	167
	168
	169	/*
	170	* SPI devices
	171	*/
	172	static struct spi_board_info portuxg20_spi_devices[] = {
	173	{
	174	.modalias = "spidev",
	175	.chip_select = 0,
	176	.max_speed_hz = 1 * 1000 * 1000,
	177	.bus_num = 0,
	178	}, {
	179	.modalias = "spidev",
	180	.chip_select = 0,
	181	.max_speed_hz = 1 * 1000 * 1000,
	182	.bus_num = 1,
	183	},
	184	};
	185
	186
	187	/*
	188	* Dallas 1-Wire
	189	*/
	190	static struct w1_gpio_platform_data w1_gpio_pdata = {
	191	.pin = AT91_PIN_PA29,
	192	.is_open_drain = 1,
2d798a3f	193	.ext_pullup_enable_pin = -EINVAL,
9b404b7c CG	194	};
	195
	196	static struct platform_device w1_device = {
	197	.name = "w1-gpio",
	198	.id = -1,
	199	.dev.platform_data = &w1_gpio_pdata,
	200	};
	201
	202	void add_w1(void)
	203	{
	204	at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
	205	at91_set_multi_drive(w1_gpio_pdata.pin, 1);
	206	platform_device_register(&w1_device);
	207	}
	208
	209
c20b4dd3	210	void __init stamp9g20_board_init(void)
9b404b7c CG	211	{
9b404b7c CG	212	/* Serial */
71b149b3 JCPV	213	/* DGBU on ttyS0. (Rx & Tx only) */
71b149b3 JCPV	214	at91_register_uart(0, 0, 0);
9b404b7c CG	215	at91_add_device_serial();
	216	/* NAND */
	217	add_device_nand();
	218	/* MMC */
9b404b7c	219	at91_add_device_mci(0, &mmc_data);
9b404b7c CG	220	/* W1 */
	221	add_w1();
	222	}
	223
	224	static void __init portuxg20_board_init(void)
	225	{
71b149b3 JCPV	226	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	227	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS \| ATMEL_UART_RTS
	228	\| ATMEL_UART_DTR \| ATMEL_UART_DSR
	229	\| ATMEL_UART_DCD \| ATMEL_UART_RI);
	230
	231	/* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
	232	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS \| ATMEL_UART_RTS);
	233
	234	/* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
	235	at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS \| ATMEL_UART_RTS);
	236
	237	/* USART4 on ttyS5. (Rx, Tx only) */
	238	at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
	239
	240	/* USART5 on ttyS6. (Rx, Tx only) */
	241	at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
c20b4dd3 CG	242	stamp9g20_board_init();
	243	/* USB Host */
	244	at91_add_device_usbh(&usbh_data);
9b404b7c CG	245	/* USB Device */
9b404b7c CG	246	at91_add_device_udc(&portuxg20_udc_data);
c20b4dd3 CG	247	/* Ethernet */
	248	at91_add_device_eth(&macb_data);
	249	/* I2C */
	250	at91_add_device_i2c(NULL, 0);
	251	/* SPI */
	252	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
9b404b7c CG	253	/* LEDs */
	254	at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
	255	}
	256
c20b4dd3	257	static void __init stamp9g20evb_board_init(void)
9b404b7c	258	{
71b149b3 JCPV	259	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	260	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS \| ATMEL_UART_RTS
	261	\| ATMEL_UART_DTR \| ATMEL_UART_DSR
	262	\| ATMEL_UART_DCD \| ATMEL_UART_RI);
c20b4dd3 CG	263	stamp9g20_board_init();
	264	/* USB Host */
	265	at91_add_device_usbh(&usbh_data);
9b404b7c	266	/* USB Device */
c20b4dd3 CG	267	at91_add_device_udc(&stamp9g20evb_udc_data);
	268	/* Ethernet */
	269	at91_add_device_eth(&macb_data);
	270	/* I2C */
	271	at91_add_device_i2c(NULL, 0);
9b404b7c	272	/* LEDs */
c20b4dd3	273	at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
9b404b7c CG	274	}
	275
	276	MACHINE_START(PORTUXG20, "taskit PortuxG20")
	277	/* Maintainer: taskit GmbH */
6bb27d73	278	.init_time = at91sam926x_pit_init,
21d08b9d	279	.map_io = at91_map_io,
3e135466	280	.handle_irq = at91_aic_handle_irq,
71b149b3	281	.init_early = stamp9g20_init_early,
92100c12	282	.init_irq = at91_init_irq_default,
9b404b7c CG	283	.init_machine = portuxg20_board_init,
	284	MACHINE_END
	285
	286	MACHINE_START(STAMP9G20, "taskit Stamp9G20")
	287	/* Maintainer: taskit GmbH */
6bb27d73	288	.init_time = at91sam926x_pit_init,
21d08b9d	289	.map_io = at91_map_io,
3e135466	290	.handle_irq = at91_aic_handle_irq,
71b149b3	291	.init_early = stamp9g20_init_early,
92100c12	292	.init_irq = at91_init_irq_default,
c20b4dd3	293	.init_machine = stamp9g20evb_board_init,
9b404b7c	294	MACHINE_END