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f0a13854be
Patch from Andrew Victor This patch adds support to the 2.6 kernel series for the Atmel AT91RM9200 processor. This patch is the support for Atmel's DK and EK boards. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/*
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* linux/arch/arm/mach-at91rm9200/board-ek.c
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*
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* Copyright (C) 2005 SAN People
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*
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* Epson S1D framebuffer glue code is:
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* Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
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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/config.h>
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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 <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/hardware.h>
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#include <asm/mach/serial_at91rm9200.h>
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#include <asm/arch/board.h>
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#include "generic.h"
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static void __init ek_init_irq(void)
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{
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/* Initialize AIC controller */
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at91rm9200_init_irq(NULL);
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/* Set up the GPIO interrupts */
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at91_gpio_irq_setup(BGA_GPIO_BANKS);
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}
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/*
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* Serial port configuration.
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* 0 .. 3 = USART0 .. USART3
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* 4 = DBGU
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*/
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#define EK_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
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#define EK_SERIAL_CONSOLE 0 /* ttyS0 */
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static void __init ek_map_io(void)
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{
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int serial[AT91_NR_UART] = EK_UART_MAP;
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int i;
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at91rm9200_map_io();
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/* Initialize clocks: 18.432 MHz crystal */
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at91_clock_init(18432000);
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#ifdef CONFIG_SERIAL_AT91
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at91_console_port = EK_SERIAL_CONSOLE;
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memcpy(at91_serial_map, serial, sizeof(serial));
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/* Register UARTs */
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for (i = 0; i < AT91_NR_UART; i++) {
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if (serial[i] >= 0)
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at91_register_uart(i, serial[i]);
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}
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#endif
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}
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static struct at91_eth_data __initdata ek_eth_data = {
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.phy_irq_pin = AT91_PIN_PC4,
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.is_rmii = 1,
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};
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static struct at91_usbh_data __initdata ek_usbh_data = {
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.ports = 2,
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};
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static struct at91_udc_data __initdata ek_udc_data = {
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.vbus_pin = AT91_PIN_PD4,
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.pullup_pin = AT91_PIN_PD5,
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};
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static struct at91_mmc_data __initdata ek_mmc_data = {
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.det_pin = AT91_PIN_PB27,
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.is_b = 0,
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.wire4 = 1,
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.wp_pin = AT91_PIN_PA17,
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};
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static void __init ek_board_init(void)
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{
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/* Ethernet */
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at91_add_device_eth(&ek_eth_data);
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/* USB Host */
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at91_add_device_usbh(&ek_usbh_data);
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/* USB Device */
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at91_add_device_udc(&ek_udc_data);
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/* MMC */
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at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
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at91_add_device_mmc(&ek_mmc_data);
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/* VGA */
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// ek_add_device_video();
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}
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MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
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/* Maintainer: SAN People/Atmel */
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.phys_ram = AT91_SDRAM_BASE,
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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 = ek_map_io,
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.init_irq = ek_init_irq,
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.init_machine = ek_board_init,
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MACHINE_END
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