arch/arm/mach-at91/board-stamp9g20.c - kernel/msm-4.19 - Gitiles

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

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


 static void __init portuxg20_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, 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);

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

 static void __init stamp9g20_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);

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

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


 /*
  * 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,
 };

 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(3, &nand_smc_config);

 	at91_add_device_nand(&nand_data);
 }


 /*
  * MCI (SD/MMC)
  * det_pin, wp_pin and vcc_pin are not connected
  */
 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 static struct mci_platform_data __initdata mmc_data = {
 	.slot[0] = {
 		.bus_width	= 4,
 	},
 };
 #else
 static struct at91_mmc_data __initdata mmc_data = {
 	.slot_b		= 0,
 	.wire4		= 1,
 };
 #endif


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


 /*
  * USB Device port
  */
 static struct at91_udc_data __initdata portuxg20_udc_data = {
 	.vbus_pin	= AT91_PIN_PC7,
 	.pullup_pin	= 0,		/* pull-up driven by UDC */
 };

 static struct at91_udc_data __initdata stamp9g20_udc_data = {
 	.vbus_pin	= AT91_PIN_PA22,
 	.pullup_pin	= 0,		/* pull-up driven by UDC */
 };


 /*
  * MACB Ethernet device
  */
 static struct at91_eth_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 stamp9g20_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);
 }


 static void __init generic_board_init(void)
 {
 	/* Serial */
 	at91_add_device_serial();
 	/* NAND */
 	add_device_nand();
 	/* MMC */
 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 	at91_add_device_mci(0, &mmc_data);
 #else
 	at91_add_device_mmc(0, &mmc_data);
 #endif
 	/* USB Host */
 	at91_add_device_usbh(&usbh_data);
 	/* Ethernet */
 	at91_add_device_eth(&macb_data);
 	/* I2C */
 	at91_add_device_i2c(NULL, 0);
 	/* W1 */
 	add_w1();
 }

 static void __init portuxg20_board_init(void)
 {
 	generic_board_init();
 	/* SPI */
 	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
 	/* USB Device */
 	at91_add_device_udc(&portuxg20_udc_data);
 	/* LEDs */
 	at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
 }

 static void __init stamp9g20_board_init(void)
 {
 	generic_board_init();
 	/* USB Device */
 	at91_add_device_udc(&stamp9g20_udc_data);
 	/* LEDs */
 	at91_gpio_leds(stamp9g20_leds, ARRAY_SIZE(stamp9g20_leds));
 }

 MACHINE_START(PORTUXG20, "taskit PortuxG20")
 	/* Maintainer: taskit GmbH */
 	.boot_params	= AT91_SDRAM_BASE + 0x100,
 	.timer		= &at91sam926x_timer,
 	.map_io		= portuxg20_map_io,
 	.init_irq	= init_irq,
 	.init_machine	= portuxg20_board_init,
 MACHINE_END

 MACHINE_START(STAMP9G20, "taskit Stamp9G20")
 	/* Maintainer: taskit GmbH */
 	.boot_params	= AT91_SDRAM_BASE + 0x100,
 	.timer		= &at91sam926x_timer,
 	.map_io		= stamp9g20_map_io,
 	.init_irq	= init_irq,
 	.init_machine	= stamp9g20_board_init,
 MACHINE_END
	/*
	* 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/board.h>
	#include <mach/at91sam9_smc.h>

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


	static void __init portuxg20_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, 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);

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

	static void __init stamp9g20_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);

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

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


	/*
	* 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,
	};

	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(3, &nand_smc_config);

	at91_add_device_nand(&nand_data);
	}


	/*
	* MCI (SD/MMC)
	* det_pin, wp_pin and vcc_pin are not connected
	*/
	#if defined(CONFIG_MMC_ATMELMCI) \|\| defined(CONFIG_MMC_ATMELMCI_MODULE)
	static struct mci_platform_data __initdata mmc_data = {
	.slot[0] = {
	.bus_width = 4,
	},
	};
	#else
	static struct at91_mmc_data __initdata mmc_data = {
	.slot_b = 0,
	.wire4 = 1,
	};
	#endif


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


	/*
	* USB Device port
	*/
	static struct at91_udc_data __initdata portuxg20_udc_data = {
	.vbus_pin = AT91_PIN_PC7,
	.pullup_pin = 0, /* pull-up driven by UDC */
	};

	static struct at91_udc_data __initdata stamp9g20_udc_data = {
	.vbus_pin = AT91_PIN_PA22,
	.pullup_pin = 0, /* pull-up driven by UDC */
	};


	/*
	* MACB Ethernet device
	*/
	static struct at91_eth_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 stamp9g20_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);
	}


	static void __init generic_board_init(void)
	{
	/* Serial */
	at91_add_device_serial();
	/* NAND */
	add_device_nand();
	/* MMC */
	#if defined(CONFIG_MMC_ATMELMCI) \|\| defined(CONFIG_MMC_ATMELMCI_MODULE)
	at91_add_device_mci(0, &mmc_data);
	#else
	at91_add_device_mmc(0, &mmc_data);
	#endif
	/* USB Host */
	at91_add_device_usbh(&usbh_data);
	/* Ethernet */
	at91_add_device_eth(&macb_data);
	/* I2C */
	at91_add_device_i2c(NULL, 0);
	/* W1 */
	add_w1();
	}

	static void __init portuxg20_board_init(void)
	{
	generic_board_init();
	/* SPI */
	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
	/* USB Device */
	at91_add_device_udc(&portuxg20_udc_data);
	/* LEDs */
	at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
	}

	static void __init stamp9g20_board_init(void)
	{
	generic_board_init();
	/* USB Device */
	at91_add_device_udc(&stamp9g20_udc_data);
	/* LEDs */
	at91_gpio_leds(stamp9g20_leds, ARRAY_SIZE(stamp9g20_leds));
	}

	MACHINE_START(PORTUXG20, "taskit PortuxG20")
	/* Maintainer: taskit GmbH */
	.boot_params = AT91_SDRAM_BASE + 0x100,
	.timer = &at91sam926x_timer,
	.map_io = portuxg20_map_io,
	.init_irq = init_irq,
	.init_machine = portuxg20_board_init,
	MACHINE_END

	MACHINE_START(STAMP9G20, "taskit Stamp9G20")
	/* Maintainer: taskit GmbH */
	.boot_params = AT91_SDRAM_BASE + 0x100,
	.timer = &at91sam926x_timer,
	.map_io = stamp9g20_map_io,
	.init_irq = init_irq,
	.init_machine = stamp9g20_board_init,
	MACHINE_END