170 lines
4.3 KiB
C
170 lines
4.3 KiB
C
/*
|
|
* linux/arch/arm/mach-at91rm9200/board-dk.c
|
|
*
|
|
* Copyright (C) 2005 SAN People
|
|
*
|
|
* Epson S1D framebuffer glue code is:
|
|
* Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
|
|
*
|
|
* 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/config.h>
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/spi/spi.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/irq.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/arch/board.h>
|
|
#include <asm/arch/gpio.h>
|
|
|
|
#include "generic.h"
|
|
|
|
static void __init dk_init_irq(void)
|
|
{
|
|
/* Initialize AIC controller */
|
|
at91rm9200_init_irq(NULL);
|
|
|
|
/* Set up the GPIO interrupts */
|
|
at91_gpio_irq_setup(BGA_GPIO_BANKS);
|
|
}
|
|
|
|
/*
|
|
* Serial port configuration.
|
|
* 0 .. 3 = USART0 .. USART3
|
|
* 4 = DBGU
|
|
*/
|
|
static struct at91_uart_config __initdata dk_uart_config = {
|
|
.console_tty = 0, /* ttyS0 */
|
|
.nr_tty = 2,
|
|
.tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
|
|
};
|
|
|
|
static void __init dk_map_io(void)
|
|
{
|
|
at91rm9200_map_io();
|
|
|
|
/* Initialize clocks: 18.432 MHz crystal */
|
|
at91_clock_init(18432000);
|
|
|
|
/* Setup the LEDs */
|
|
at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
|
|
|
|
/* Setup the serial ports and console */
|
|
at91_init_serial(&dk_uart_config);
|
|
}
|
|
|
|
static struct at91_eth_data __initdata dk_eth_data = {
|
|
.phy_irq_pin = AT91_PIN_PC4,
|
|
.is_rmii = 1,
|
|
};
|
|
|
|
static struct at91_usbh_data __initdata dk_usbh_data = {
|
|
.ports = 2,
|
|
};
|
|
|
|
static struct at91_udc_data __initdata dk_udc_data = {
|
|
.vbus_pin = AT91_PIN_PD4,
|
|
.pullup_pin = AT91_PIN_PD5,
|
|
};
|
|
|
|
static struct at91_cf_data __initdata dk_cf_data = {
|
|
.det_pin = AT91_PIN_PB0,
|
|
.rst_pin = AT91_PIN_PC5,
|
|
// .irq_pin = ... not connected
|
|
// .vcc_pin = ... always powered
|
|
};
|
|
|
|
static struct at91_mmc_data __initdata dk_mmc_data = {
|
|
.is_b = 0,
|
|
.wire4 = 1,
|
|
};
|
|
|
|
static struct spi_board_info dk_spi_devices[] = {
|
|
{ /* DataFlash chip */
|
|
.modalias = "mtd_dataflash",
|
|
.chip_select = 0,
|
|
.max_speed_hz = 15 * 1000 * 1000,
|
|
},
|
|
{ /* UR6HCPS2-SP40 PS2-to-SPI adapter */
|
|
.modalias = "ur6hcps2",
|
|
.chip_select = 1,
|
|
.max_speed_hz = 250 * 1000,
|
|
},
|
|
{ /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
|
|
.modalias = "tlv1504",
|
|
.chip_select = 2,
|
|
.max_speed_hz = 20 * 1000 * 1000,
|
|
},
|
|
#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
|
|
{ /* DataFlash card */
|
|
.modalias = "mtd_dataflash",
|
|
.chip_select = 3,
|
|
.max_speed_hz = 15 * 1000 * 1000,
|
|
}
|
|
#endif
|
|
};
|
|
|
|
static void __init dk_board_init(void)
|
|
{
|
|
/* Serial */
|
|
at91_add_device_serial();
|
|
/* Ethernet */
|
|
at91_add_device_eth(&dk_eth_data);
|
|
/* USB Host */
|
|
at91_add_device_usbh(&dk_usbh_data);
|
|
/* USB Device */
|
|
at91_add_device_udc(&dk_udc_data);
|
|
at91_set_multi_drive(dk_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
|
|
/* Compact Flash */
|
|
at91_add_device_cf(&dk_cf_data);
|
|
/* I2C */
|
|
at91_add_device_i2c();
|
|
/* SPI */
|
|
at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
|
|
#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
|
|
/* DataFlash card */
|
|
at91_set_gpio_output(AT91_PIN_PB7, 0);
|
|
#else
|
|
/* MMC */
|
|
at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
|
|
at91_add_device_mmc(&dk_mmc_data);
|
|
#endif
|
|
/* VGA */
|
|
// dk_add_device_video();
|
|
}
|
|
|
|
MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
|
|
/* Maintainer: SAN People/Atmel */
|
|
.phys_io = AT91_BASE_SYS,
|
|
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
|
|
.boot_params = AT91_SDRAM_BASE + 0x100,
|
|
.timer = &at91rm9200_timer,
|
|
.map_io = dk_map_io,
|
|
.init_irq = dk_init_irq,
|
|
.init_machine = dk_board_init,
|
|
MACHINE_END
|