linux/arch/arm/mach-at91/board-eco920.c
Ludovic Desroches 3e13546674 ARM: at91: at91 based machines specify their own irq handler at run time
SOC_AT91SAM9 selects MULTI_IRQ_HANDLER in order to let machines specify their
own IRQ handler at run time.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2012-07-02 14:26:58 +02:00

141 lines
3.6 KiB
C

/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/board.h>
#include <mach/at91_aic.h>
#include <mach/at91rm9200_mc.h>
#include <mach/at91_ramc.h>
#include <mach/cpu.h>
#include "generic.h"
static void __init eco920_init_early(void)
{
/* Set cpu type: PQFP */
at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
at91_initialize(18432000);
}
static struct macb_platform_data __initdata eco920_eth_data = {
.phy_irq_pin = AT91_PIN_PC2,
.is_rmii = 1,
};
static struct at91_usbh_data __initdata eco920_usbh_data = {
.ports = 1,
.vbus_pin = {-EINVAL, -EINVAL},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
static struct at91_udc_data __initdata eco920_udc_data = {
.vbus_pin = AT91_PIN_PB12,
.pullup_pin = AT91_PIN_PB13,
};
static struct at91_mmc_data __initdata eco920_mmc_data = {
.slot_b = 0,
.wire4 = 0,
.det_pin = -EINVAL,
.wp_pin = -EINVAL,
.vcc_pin = -EINVAL,
};
static struct physmap_flash_data eco920_flash_data = {
.width = 2,
};
static struct resource eco920_flash_resource = {
.start = 0x11000000,
.end = 0x11ffffff,
.flags = IORESOURCE_MEM,
};
static struct platform_device eco920_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &eco920_flash_data,
},
.resource = &eco920_flash_resource,
.num_resources = 1,
};
static struct spi_board_info eco920_spi_devices[] = {
{ /* CAN controller */
.modalias = "tlv5638",
.chip_select = 3,
.max_speed_hz = 20 * 1000 * 1000,
.mode = SPI_CPHA,
},
};
static void __init eco920_board_init(void)
{
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
/* DBGU on ttyS0. (Rx & Tx only */
at91_register_uart(0, 0, 0);
at91_add_device_serial();
at91_add_device_eth(&eco920_eth_data);
at91_add_device_usbh(&eco920_usbh_data);
at91_add_device_udc(&eco920_udc_data);
at91_add_device_mmc(0, &eco920_mmc_data);
platform_device_register(&eco920_flash);
at91_ramc_write(0, AT91_SMC_CSR(7), AT91_SMC_RWHOLD_(1)
| AT91_SMC_RWSETUP_(1)
| AT91_SMC_DBW_8
| AT91_SMC_WSEN
| AT91_SMC_NWS_(15));
at91_set_A_periph(AT91_PIN_PC6, 1);
at91_set_gpio_input(AT91_PIN_PA23, 0);
at91_set_deglitch(AT91_PIN_PA23, 1);
/* Initialization of the Static Memory Controller for Chip Select 3 */
at91_ramc_write(0, AT91_SMC_CSR(3),
AT91_SMC_DBW_16 | /* 16 bit */
AT91_SMC_WSEN |
AT91_SMC_NWS_(5) | /* wait states */
AT91_SMC_TDF_(1) /* float time */
);
at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
}
MACHINE_START(ECO920, "eco920")
/* Maintainer: Sascha Hauer */
.timer = &at91rm9200_timer,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = eco920_init_early,
.init_irq = at91_init_irq_default,
.init_machine = eco920_board_init,
MACHINE_END