1/* 2 * linux/arch/arm/mach-at91/board-ek.c 3 * 4 * Copyright (C) 2005 SAN People 5 * 6 * Epson S1D framebuffer glue code is: 7 * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24#include <linux/types.h> 25#include <linux/init.h> 26#include <linux/mm.h> 27#include <linux/module.h> 28#include <linux/platform_device.h> 29#include <linux/spi/spi.h> 30#include <linux/mtd/physmap.h> 31 32#include <asm/hardware.h> 33#include <asm/setup.h> 34#include <asm/mach-types.h> 35#include <asm/irq.h> 36 37#include <asm/mach/arch.h> 38#include <asm/mach/map.h> 39#include <asm/mach/irq.h> 40 41#include <asm/arch/board.h> 42#include <asm/arch/gpio.h> 43#include <asm/arch/at91rm9200_mc.h> 44 45#include "generic.h" 46 47 48/* 49 * Serial port configuration. 50 * 0 .. 3 = USART0 .. USART3 51 * 4 = DBGU 52 */ 53static struct at91_uart_config __initdata ek_uart_config = { 54 .console_tty = 0, /* ttyS0 */ 55 .nr_tty = 2, 56 .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ 57}; 58 59static void __init ek_map_io(void) 60{ 61 /* Initialize processor: 18.432 MHz crystal */ 62 at91rm9200_initialize(18432000, AT91RM9200_BGA); 63 64 /* Setup the LEDs */ 65 at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2); 66 67 /* Setup the serial ports and console */ 68 at91_init_serial(&ek_uart_config); 69} 70 71static void __init ek_init_irq(void) 72{ 73 at91rm9200_init_interrupts(NULL); 74} 75 76static struct at91_eth_data __initdata ek_eth_data = { 77 .phy_irq_pin = AT91_PIN_PC4, 78 .is_rmii = 1, 79}; 80 81static struct at91_usbh_data __initdata ek_usbh_data = { 82 .ports = 2, 83}; 84 85static struct at91_udc_data __initdata ek_udc_data = { 86 .vbus_pin = AT91_PIN_PD4, 87 .pullup_pin = AT91_PIN_PD5, 88}; 89 90static struct at91_mmc_data __initdata ek_mmc_data = { 91 .det_pin = AT91_PIN_PB27, 92 .slot_b = 0, 93 .wire4 = 1, 94 .wp_pin = AT91_PIN_PA17, 95}; 96 97static struct spi_board_info ek_spi_devices[] = { 98 { /* DataFlash chip */ 99 .modalias = "mtd_dataflash", 100 .chip_select = 0, 101 .max_speed_hz = 15 * 1000 * 1000, 102 }, 103#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD 104 { /* DataFlash card */ 105 .modalias = "mtd_dataflash", 106 .chip_select = 3, 107 .max_speed_hz = 15 * 1000 * 1000, 108 }, 109#endif 110}; 111 112#define EK_FLASH_BASE AT91_CHIPSELECT_0 113#define EK_FLASH_SIZE 0x200000 114 115static struct physmap_flash_data ek_flash_data = { 116 .width = 2, 117}; 118 119static struct resource ek_flash_resource = { 120 .start = EK_FLASH_BASE, 121 .end = EK_FLASH_BASE + EK_FLASH_SIZE - 1, 122 .flags = IORESOURCE_MEM, 123}; 124 125static struct platform_device ek_flash = { 126 .name = "physmap-flash", 127 .id = 0, 128 .dev = { 129 .platform_data = &ek_flash_data, 130 }, 131 .resource = &ek_flash_resource, 132 .num_resources = 1, 133}; 134 135 136static void __init ek_board_init(void) 137{ 138 /* Serial */ 139 at91_add_device_serial(); 140 /* Ethernet */ 141 at91_add_device_eth(&ek_eth_data); 142 /* USB Host */ 143 at91_add_device_usbh(&ek_usbh_data); 144 /* USB Device */ 145 at91_add_device_udc(&ek_udc_data); 146 at91_set_multi_drive(ek_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */ 147 /* I2C */ 148 at91_add_device_i2c(); 149 /* SPI */ 150 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); 151#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD 152 /* DataFlash card */ 153 at91_set_gpio_output(AT91_PIN_PB22, 0); 154#else 155 /* MMC */ 156 at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ 157 at91_add_device_mmc(0, &ek_mmc_data); 158#endif 159 /* NOR Flash */ 160 platform_device_register(&ek_flash); 161 /* VGA */ 162// ek_add_device_video(); 163} 164 165MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK") 166 /* Maintainer: SAN People/Atmel */ 167 .phys_io = AT91_BASE_SYS, 168 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, 169 .boot_params = AT91_SDRAM_BASE + 0x100, 170 .timer = &at91rm9200_timer, 171 .map_io = ek_map_io, 172 .init_irq = ek_init_irq, 173 .init_machine = ek_board_init, 174MACHINE_END 175