236 lines
5.7 KiB
C
236 lines
5.7 KiB
C
/*
|
|
* linux/arch/arm/mach-at91/board-rm9200dk.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/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 <linux/mtd/physmap.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 <mach/hardware.h>
|
|
#include <mach/board.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/at91rm9200_mc.h>
|
|
|
|
#include "generic.h"
|
|
|
|
|
|
static void __init dk_map_io(void)
|
|
{
|
|
/* Initialize processor: 18.432 MHz crystal */
|
|
at91rm9200_initialize(18432000, AT91RM9200_BGA);
|
|
|
|
/* Setup the LEDs */
|
|
at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
|
|
|
|
/* DBGU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
|
|
at91_register_uart(AT91RM9200_ID_US1, 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 dk_init_irq(void)
|
|
{
|
|
at91rm9200_init_interrupts(NULL);
|
|
}
|
|
|
|
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
|
|
};
|
|
|
|
#ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
|
|
static struct at91_mmc_data __initdata dk_mmc_data = {
|
|
.slot_b = 0,
|
|
.wire4 = 1,
|
|
};
|
|
#endif
|
|
|
|
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 struct i2c_board_info __initdata dk_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("ics1523", 0x26),
|
|
},
|
|
{
|
|
I2C_BOARD_INFO("x9429", 0x28),
|
|
},
|
|
{
|
|
I2C_BOARD_INFO("24c1024", 0x50),
|
|
}
|
|
};
|
|
|
|
static struct mtd_partition __initdata dk_nand_partition[] = {
|
|
{
|
|
.name = "NAND Partition 1",
|
|
.offset = 0,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
|
|
{
|
|
*num_partitions = ARRAY_SIZE(dk_nand_partition);
|
|
return dk_nand_partition;
|
|
}
|
|
|
|
static struct atmel_nand_data __initdata dk_nand_data = {
|
|
.ale = 22,
|
|
.cle = 21,
|
|
.det_pin = AT91_PIN_PB1,
|
|
.rdy_pin = AT91_PIN_PC2,
|
|
// .enable_pin = ... not there
|
|
.partition_info = nand_partitions,
|
|
};
|
|
|
|
#define DK_FLASH_BASE AT91_CHIPSELECT_0
|
|
#define DK_FLASH_SIZE SZ_2M
|
|
|
|
static struct physmap_flash_data dk_flash_data = {
|
|
.width = 2,
|
|
};
|
|
|
|
static struct resource dk_flash_resource = {
|
|
.start = DK_FLASH_BASE,
|
|
.end = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device dk_flash = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &dk_flash_data,
|
|
},
|
|
.resource = &dk_flash_resource,
|
|
.num_resources = 1,
|
|
};
|
|
|
|
static struct gpio_led dk_leds[] = {
|
|
{
|
|
.name = "led0",
|
|
.gpio = AT91_PIN_PB2,
|
|
.active_low = 1,
|
|
.default_trigger = "heartbeat",
|
|
}
|
|
};
|
|
|
|
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(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
|
|
/* 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(0, &dk_mmc_data);
|
|
#endif
|
|
/* NAND */
|
|
at91_add_device_nand(&dk_nand_data);
|
|
/* NOR Flash */
|
|
platform_device_register(&dk_flash);
|
|
/* LEDs */
|
|
at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
|
|
/* VGA */
|
|
// dk_add_device_video();
|
|
}
|
|
|
|
MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
|
|
/* Maintainer: SAN People/Atmel */
|
|
.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
|