/*
* linux/arch/arm/mach-at91/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/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/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/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91rm9200_mc.h>
#include "generic.h"
/*
* 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)
{
/* Initialize processor: 18.432 MHz crystal */
at91rm9200_initialize(18432000, AT91RM9200_BGA);
/* 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 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
};
static struct at91_mmc_data __initdata dk_mmc_data = {
.slot_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 struct mtd_partition __initdata dk_nand_partition[] = {
{
.name = "NAND Partition 1",
.offset = 0,
.size = MTDPART_SIZ_FULL,
},
};
static struct mtd_partition *nand_partitions(int size, int *num_partitions)
{
*num_partitions = ARRAY_SIZE(dk_nand_partition);
return dk_nand_partition;
}
static struct at91_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 0x200000
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 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(0, &dk_mmc_data);
#endif
/* NAND */
at91_add_device_nand(&dk_nand_data);
/* NOR Flash */
platform_device_register(&dk_flash);
/* 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
