2f036ac63e
Support for the emQbit ECB_AT91 board. <http://wiki.emqbit.com/free-ecb-at91> Original patch from Nelson Castillo. Signed-off-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
179 lines
4.3 KiB
C
179 lines
4.3 KiB
C
/*
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* linux/arch/arm/mach-at91rm9200/board-ecbat91.c
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* Copyright (C) 2007 emQbit.com.
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*
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* We started from board-dk.c, which is Copyright (C) 2005 SAN People.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <asm/hardware.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/arch/board.h>
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#include <asm/arch/gpio.h>
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#include "generic.h"
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static void __init ecb_at91map_io(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91rm9200_initialize(18432000, AT91RM9200_PQFP);
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/* Setup the LEDs */
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at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
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/* DBGU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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/* USART0 on ttyS1. (Rx & Tx only) */
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at91_register_uart(AT91RM9200_ID_US0, 1, 0);
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/* set serial console to ttyS0 (ie, DBGU) */
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at91_set_serial_console(0);
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}
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static void __init ecb_at91init_irq(void)
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{
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at91rm9200_init_interrupts(NULL);
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}
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static struct at91_eth_data __initdata ecb_at91eth_data = {
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.phy_irq_pin = AT91_PIN_PC4,
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.is_rmii = 0,
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};
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static struct at91_usbh_data __initdata ecb_at91usbh_data = {
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.ports = 1,
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};
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static struct at91_mmc_data __initdata ecb_at91mmc_data = {
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.slot_b = 0,
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.wire4 = 1,
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};
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#if defined(CONFIG_MTD_DATAFLASH)
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static struct mtd_partition __initdata my_flash0_partitions[] =
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{
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{ /* 0x8400 */
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.name = "Darrell-loader",
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.offset = 0,
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.size = 12* 1056,
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},
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{
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.name = "U-boot",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 110 * 1056,
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},
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{ /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
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.name = "UBoot-env",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 8 * 1056,
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},
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{ /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
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.name = "Kernel",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 1534 * 1056,
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},
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{ /* 190200 - jffs2 root filesystem */
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.name = "Filesystem",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL, /* 26 sectors */
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}
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};
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static struct flash_platform_data __initdata my_flash0_platform = {
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.name = "Removable flash card",
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.parts = my_flash0_partitions,
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.nr_parts = ARRAY_SIZE(my_flash0_partitions)
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};
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#endif
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static struct spi_board_info __initdata ecb_at91spi_devices[] = {
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{ /* DataFlash chip */
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.modalias = "mtd_dataflash",
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.chip_select = 0,
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.max_speed_hz = 10 * 1000 * 1000,
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.bus_num = 0,
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#if defined(CONFIG_MTD_DATAFLASH)
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.platform_data = &my_flash0_platform,
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#endif
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},
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{ /* User accessable spi - cs1 (250KHz) */
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.modalias = "spi-cs1",
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.chip_select = 1,
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.max_speed_hz = 250 * 1000,
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},
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{ /* User accessable spi - cs2 (1MHz) */
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.modalias = "spi-cs2",
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.chip_select = 2,
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.max_speed_hz = 1 * 1000 * 1000,
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},
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{ /* User accessable spi - cs3 (10MHz) */
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.modalias = "spi-cs3",
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.chip_select = 3,
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.max_speed_hz = 10 * 1000 * 1000,
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},
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};
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static void __init ecb_at91board_init(void)
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{
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/* Serial */
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at91_add_device_serial();
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/* Ethernet */
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at91_add_device_eth(&ecb_at91eth_data);
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/* USB Host */
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at91_add_device_usbh(&ecb_at91usbh_data);
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/* I2C */
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at91_add_device_i2c(NULL, 0);
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/* MMC */
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at91_add_device_mmc(0, &ecb_at91mmc_data);
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/* SPI */
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at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
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}
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MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
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/* Maintainer: emQbit.com */
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.phys_io = AT91_BASE_SYS,
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.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
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.boot_params = AT91_SDRAM_BASE + 0x100,
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.timer = &at91rm9200_timer,
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.map_io = ecb_at91map_io,
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.init_irq = ecb_at91init_irq,
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.init_machine = ecb_at91board_init,
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MACHINE_END
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