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Commit 9b404b7c authored by Christian Glindkamp's avatar Christian Glindkamp Committed by Russell King
Browse files

ARM: 6054/1: AT91: taskit PortuxG20 and Stamp9G20 board support 



Both boards share the same board file, as the PortuxG20 is basically an
SBC based on the Stamp9G20.

Signed-off-by: default avatarChristian Glindkamp <christian.glindkamp@taskit.de>
Acked-by: default avatarAndrew Victor <linux@maxim.org.za>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 39710479

arch/arm/mach-at91/Kconfig

+13 −0
Original line number Diff line number Diff line
@@ -360,6 +360,19 @@ config MACH_CPU9G20 
	  Select this if you are using a Eukrea Electromatique's

	  CPU9G20 Board <http://www.eukrea.com/>



config MACH_PORTUXG20

	bool "taskit PortuxG20"

	help

	  Select this if you are using taskit's PortuxG20.

	  <http://www.taskit.de/en/>



config MACH_STAMP9G20

	bool "taskit Stamp9G20 CPU module"

	help

	  Select this if you are using taskit's Stamp9G20 CPU module on its

	  evaluation board.

	  <http://www.taskit.de/en/>



endif



# ----------------------------------------------------------

arch/arm/mach-at91/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -63,6 +63,8 @@ obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o 
obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o

obj-$(CONFIG_MACH_AT91SAM9G20EK_2MMC) += board-sam9g20ek-2slot-mmc.o

obj-$(CONFIG_MACH_CPU9G20)	+= board-cpu9krea.o

obj-$(CONFIG_MACH_STAMP9G20)	+= board-stamp9g20.o

obj-$(CONFIG_MACH_PORTUXG20)	+= board-stamp9g20.o



# AT91SAM9G45 board-specific support

obj-$(CONFIG_MACH_AT91SAM9G45EKES) += board-sam9m10g45ek.o

arch/arm/mach-at91/board-stamp9g20.c

0 → 100644
+315 −0
Original line number Diff line number Diff line 
/*

 *  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 */

	.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		= portuxg20_map_io,

	.init_irq	= init_irq,

	.init_machine	= portuxg20_board_init,

MACHINE_END



MACHINE_START(STAMP9G20, "taskit Stamp9G20")

	/* Maintainer: taskit GmbH */

	.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		= stamp9g20_map_io,

	.init_irq	= init_irq,

	.init_machine	= stamp9g20_board_init,

MACHINE_END