186 lines
4.6 KiB
C
186 lines
4.6 KiB
C
/*
|
|
* linux/arch/arm/mach-at91/board-cpuat91.c
|
|
*
|
|
* Copyright (C) 2009 Eric Benard - eric@eukrea.com
|
|
*
|
|
* 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/mtd/physmap.h>
|
|
#include <linux/mtd/plat-ram.h>
|
|
|
|
#include <mach/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 <mach/board.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/at91rm9200_mc.h>
|
|
|
|
#include "generic.h"
|
|
|
|
static struct gpio_led cpuat91_leds[] = {
|
|
{
|
|
.name = "led1",
|
|
.default_trigger = "heartbeat",
|
|
.active_low = 1,
|
|
.gpio = AT91_PIN_PC0,
|
|
},
|
|
};
|
|
|
|
static void __init cpuat91_map_io(void)
|
|
{
|
|
/* Initialize processor: 18.432 MHz crystal */
|
|
at91rm9200_initialize(18432000, AT91RM9200_PQFP);
|
|
|
|
/* DBGU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
|
|
at91_register_uart(AT91RM9200_ID_US0, 1, ATMEL_UART_CTS |
|
|
ATMEL_UART_RTS);
|
|
|
|
/* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
|
|
at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS |
|
|
ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
|
|
ATMEL_UART_DCD | ATMEL_UART_RI);
|
|
|
|
/* USART2 on ttyS3 (Rx, Tx) */
|
|
at91_register_uart(AT91RM9200_ID_US2, 3, 0);
|
|
|
|
/* USART3 on ttyS4 (Rx, Tx, CTS, RTS) */
|
|
at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_CTS |
|
|
ATMEL_UART_RTS);
|
|
|
|
/* set serial console to ttyS0 (ie, DBGU) */
|
|
at91_set_serial_console(0);
|
|
}
|
|
|
|
static void __init cpuat91_init_irq(void)
|
|
{
|
|
at91rm9200_init_interrupts(NULL);
|
|
}
|
|
|
|
static struct at91_eth_data __initdata cpuat91_eth_data = {
|
|
.is_rmii = 1,
|
|
};
|
|
|
|
static struct at91_usbh_data __initdata cpuat91_usbh_data = {
|
|
.ports = 1,
|
|
};
|
|
|
|
static struct at91_udc_data __initdata cpuat91_udc_data = {
|
|
.vbus_pin = AT91_PIN_PC15,
|
|
.pullup_pin = AT91_PIN_PC14,
|
|
};
|
|
|
|
static struct at91_mmc_data __initdata cpuat91_mmc_data = {
|
|
.det_pin = AT91_PIN_PC2,
|
|
.wire4 = 1,
|
|
};
|
|
|
|
static struct physmap_flash_data cpuat91_flash_data = {
|
|
.width = 2,
|
|
};
|
|
|
|
static struct resource cpuat91_flash_resource = {
|
|
.start = AT91_CHIPSELECT_0,
|
|
.end = AT91_CHIPSELECT_0 + SZ_16M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device cpuat91_norflash = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &cpuat91_flash_data,
|
|
},
|
|
.resource = &cpuat91_flash_resource,
|
|
.num_resources = 1,
|
|
};
|
|
|
|
#ifdef CONFIG_MTD_PLATRAM
|
|
struct platdata_mtd_ram at91_sram_pdata = {
|
|
.mapname = "SRAM",
|
|
.bankwidth = 2,
|
|
};
|
|
|
|
static struct resource at91_sram_resource[] = {
|
|
[0] = {
|
|
.start = AT91RM9200_SRAM_BASE,
|
|
.end = AT91RM9200_SRAM_BASE + AT91RM9200_SRAM_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device at91_sram = {
|
|
.name = "mtd-ram",
|
|
.id = 0,
|
|
.resource = at91_sram_resource,
|
|
.num_resources = ARRAY_SIZE(at91_sram_resource),
|
|
.dev = {
|
|
.platform_data = &at91_sram_pdata,
|
|
},
|
|
};
|
|
#endif /* MTD_PLATRAM */
|
|
|
|
static struct platform_device *platform_devices[] __initdata = {
|
|
&cpuat91_norflash,
|
|
#ifdef CONFIG_MTD_PLATRAM
|
|
&at91_sram,
|
|
#endif /* CONFIG_MTD_PLATRAM */
|
|
};
|
|
|
|
static void __init cpuat91_board_init(void)
|
|
{
|
|
/* Serial */
|
|
at91_add_device_serial();
|
|
/* LEDs. */
|
|
at91_gpio_leds(cpuat91_leds, ARRAY_SIZE(cpuat91_leds));
|
|
/* Ethernet */
|
|
at91_add_device_eth(&cpuat91_eth_data);
|
|
/* USB Host */
|
|
at91_add_device_usbh(&cpuat91_usbh_data);
|
|
/* USB Device */
|
|
at91_add_device_udc(&cpuat91_udc_data);
|
|
/* MMC */
|
|
at91_add_device_mmc(0, &cpuat91_mmc_data);
|
|
/* I2C */
|
|
at91_add_device_i2c(NULL, 0);
|
|
/* Platform devices */
|
|
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
|
|
}
|
|
|
|
MACHINE_START(CPUAT91, "Eukrea")
|
|
/* Maintainer: Eric Benard - EUKREA Electromatique */
|
|
.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 = cpuat91_map_io,
|
|
.init_irq = cpuat91_init_irq,
|
|
.init_machine = cpuat91_board_init,
|
|
MACHINE_END
|