/* * 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