linux/arch/arm/mach-at91/board-carmeva.c
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   1/*
   2 * linux/arch/arm/mach-at91/board-carmeva.c
   3 *
   4 *  Copyright (c) 2005 Peer Georgi
   5 *                     Conitec Datasystems
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation; either version 2 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22#include <linux/types.h>
  23#include <linux/init.h>
  24#include <linux/mm.h>
  25#include <linux/module.h>
  26#include <linux/platform_device.h>
  27
  28#include <asm/setup.h>
  29#include <asm/mach-types.h>
  30#include <asm/irq.h>
  31
  32#include <asm/mach/arch.h>
  33#include <asm/mach/map.h>
  34#include <asm/mach/irq.h>
  35
  36#include <mach/hardware.h>
  37#include <mach/board.h>
  38#include <mach/gpio.h>
  39
  40#include "generic.h"
  41
  42
  43static void __init carmeva_map_io(void)
  44{
  45        /* Initialize processor: 20.000 MHz crystal */
  46        at91rm9200_initialize(20000000, AT91RM9200_BGA);
  47
  48        /* DBGU on ttyS0. (Rx & Tx only) */
  49        at91_register_uart(0, 0, 0);
  50
  51        /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  52        at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  53                           | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  54                           | ATMEL_UART_RI);
  55
  56        /* set serial console to ttyS0 (ie, DBGU) */
  57        at91_set_serial_console(0);
  58}
  59
  60static void __init carmeva_init_irq(void)
  61{
  62        at91rm9200_init_interrupts(NULL);
  63}
  64
  65static struct at91_eth_data __initdata carmeva_eth_data = {
  66        .phy_irq_pin    = AT91_PIN_PC4,
  67        .is_rmii        = 1,
  68};
  69
  70static struct at91_usbh_data __initdata carmeva_usbh_data = {
  71        .ports          = 2,
  72};
  73
  74static struct at91_udc_data __initdata carmeva_udc_data = {
  75        .vbus_pin       = AT91_PIN_PD12,
  76        .pullup_pin     = AT91_PIN_PD9,
  77};
  78
  79/* FIXME: user dependant */
  80// static struct at91_cf_data __initdata carmeva_cf_data = {
  81//      .det_pin        = AT91_PIN_PB0,
  82//      .rst_pin        = AT91_PIN_PC5,
  83        // .irq_pin     = ... not connected
  84        // .vcc_pin     = ... always powered
  85// };
  86
  87static struct at91_mmc_data __initdata carmeva_mmc_data = {
  88        .slot_b         = 0,
  89        .wire4          = 1,
  90        .det_pin        = AT91_PIN_PB10,
  91        .wp_pin         = AT91_PIN_PC14,
  92};
  93
  94static struct spi_board_info carmeva_spi_devices[] = {
  95        { /* DataFlash chip */
  96                .modalias = "mtd_dataflash",
  97                .chip_select  = 0,
  98                .max_speed_hz = 10 * 1000 * 1000,
  99        },
 100        { /* User accessible spi - cs1 (250KHz) */
 101                .modalias = "spi-cs1",
 102                .chip_select  = 1,
 103                .max_speed_hz = 250 *  1000,
 104        },
 105        { /* User accessible spi - cs2 (1MHz) */
 106                .modalias = "spi-cs2",
 107                .chip_select  = 2,
 108                .max_speed_hz = 1 * 1000 *  1000,
 109        },
 110        { /* User accessible spi - cs3 (10MHz) */
 111                .modalias = "spi-cs3",
 112                .chip_select  = 3,
 113                .max_speed_hz = 10 * 1000 *  1000,
 114        },
 115};
 116
 117static struct gpio_led carmeva_leds[] = {
 118        { /* "user led 1", LED9 */
 119                .name                   = "led9",
 120                .gpio                   = AT91_PIN_PA21,
 121                .active_low             = 1,
 122                .default_trigger        = "heartbeat",
 123        },
 124        { /* "user led 2", LED10 */
 125                .name                   = "led10",
 126                .gpio                   = AT91_PIN_PA25,
 127                .active_low             = 1,
 128        },
 129        { /* "user led 3", LED11 */
 130                .name                   = "led11",
 131                .gpio                   = AT91_PIN_PA26,
 132                .active_low             = 1,
 133        },
 134        { /* "user led 4", LED12 */
 135                .name                   = "led12",
 136                .gpio                   = AT91_PIN_PA18,
 137                .active_low             = 1,
 138        }
 139};
 140
 141static void __init carmeva_board_init(void)
 142{
 143        /* Serial */
 144        at91_add_device_serial();
 145        /* Ethernet */
 146        at91_add_device_eth(&carmeva_eth_data);
 147        /* USB Host */
 148        at91_add_device_usbh(&carmeva_usbh_data);
 149        /* USB Device */
 150        at91_add_device_udc(&carmeva_udc_data);
 151        /* I2C */
 152        at91_add_device_i2c(NULL, 0);
 153        /* SPI */
 154        at91_add_device_spi(carmeva_spi_devices, ARRAY_SIZE(carmeva_spi_devices));
 155        /* Compact Flash */
 156//      at91_add_device_cf(&carmeva_cf_data);
 157        /* MMC */
 158        at91_add_device_mmc(0, &carmeva_mmc_data);
 159        /* LEDs */
 160        at91_gpio_leds(carmeva_leds, ARRAY_SIZE(carmeva_leds));
 161}
 162
 163MACHINE_START(CARMEVA, "Carmeva")
 164        /* Maintainer: Conitec Datasystems */
 165        .phys_io        = AT91_BASE_SYS,
 166        .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 167        .boot_params    = AT91_SDRAM_BASE + 0x100,
 168        .timer          = &at91rm9200_timer,
 169        .map_io         = carmeva_map_io,
 170        .init_irq       = carmeva_init_irq,
 171        .init_machine   = carmeva_board_init,
 172MACHINE_END
 173