arch/arm/mach-at91/board-carmeva.c

   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/gpio.h>
  24 #include <linux/init.h>
  25 #include <linux/mm.h>
  26 #include <linux/module.h>
  27 #include <linux/platform_device.h>
  28
  29 #include <asm/setup.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/irq.h>
  32
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/mach/irq.h>
  36
  37 #include <mach/hardware.h>
  38 #include <mach/board.h>
  39
  40 #include "generic.h"
  41
  42
  43 static void __init carmeva_init_early(void)
  44 {
  45         /* Initialize processor: 20.000 MHz crystal */
  46         at91_initialize(20000000);
  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
  60 static struct at91_eth_data __initdata carmeva_eth_data = {
  61         .phy_irq_pin    = AT91_PIN_PC4,
  62         .is_rmii        = 1,
  63 };
  64
  65 static struct at91_usbh_data __initdata carmeva_usbh_data = {
  66         .ports          = 2,
  67 };
  68
  69 static struct at91_udc_data __initdata carmeva_udc_data = {
  70         .vbus_pin       = AT91_PIN_PD12,
  71         .pullup_pin     = AT91_PIN_PD9,
  72 };
  73
  74 /* FIXME: user dependent */
  75 // static struct at91_cf_data __initdata carmeva_cf_data = {
  76 //      .det_pin        = AT91_PIN_PB0,
  77 //      .rst_pin        = AT91_PIN_PC5,
  78         // .irq_pin     = ... not connected
  79         // .vcc_pin     = ... always powered
  80 // };
  81
  82 static struct at91_mmc_data __initdata carmeva_mmc_data = {
  83         .slot_b         = 0,
  84         .wire4          = 1,
  85         .det_pin        = AT91_PIN_PB10,
  86         .wp_pin         = AT91_PIN_PC14,
  87 };
  88
  89 static struct spi_board_info carmeva_spi_devices[] = {
  90         { /* DataFlash chip */
  91                 .modalias = "mtd_dataflash",
  92                 .chip_select  = 0,
  93                 .max_speed_hz = 10 * 1000 * 1000,
  94         },
  95         { /* User accessible spi - cs1 (250KHz) */
  96                 .modalias = "spi-cs1",
  97                 .chip_select  = 1,
  98                 .max_speed_hz = 250 *  1000,
  99         },
 100         { /* User accessible spi - cs2 (1MHz) */
 101                 .modalias = "spi-cs2",
 102                 .chip_select  = 2,
 103                 .max_speed_hz = 1 * 1000 *  1000,
 104         },
 105         { /* User accessible spi - cs3 (10MHz) */
 106                 .modalias = "spi-cs3",
 107                 .chip_select  = 3,
 108                 .max_speed_hz = 10 * 1000 *  1000,
 109         },
 110 };
 111
 112 static struct gpio_led carmeva_leds[] = {
 113         { /* "user led 1", LED9 */
 114                 .name                   = "led9",
 115                 .gpio                   = AT91_PIN_PA21,
 116                 .active_low             = 1,
 117                 .default_trigger        = "heartbeat",
 118         },
 119         { /* "user led 2", LED10 */
 120                 .name                   = "led10",
 121                 .gpio                   = AT91_PIN_PA25,
 122                 .active_low             = 1,
 123         },
 124         { /* "user led 3", LED11 */
 125                 .name                   = "led11",
 126                 .gpio                   = AT91_PIN_PA26,
 127                 .active_low             = 1,
 128         },
 129         { /* "user led 4", LED12 */
 130                 .name                   = "led12",
 131                 .gpio                   = AT91_PIN_PA18,
 132                 .active_low             = 1,
 133         }
 134 };
 135
 136 static void __init carmeva_board_init(void)
 137 {
 138         /* Serial */
 139         at91_add_device_serial();
 140         /* Ethernet */
 141         at91_add_device_eth(&carmeva_eth_data);
 142         /* USB Host */
 143         at91_add_device_usbh(&carmeva_usbh_data);
 144         /* USB Device */
 145         at91_add_device_udc(&carmeva_udc_data);
 146         /* I2C */
 147         at91_add_device_i2c(NULL, 0);
 148         /* SPI */
 149         at91_add_device_spi(carmeva_spi_devices, ARRAY_SIZE(carmeva_spi_devices));
 150         /* Compact Flash */
 151 //      at91_add_device_cf(&carmeva_cf_data);
 152         /* MMC */
 153         at91_add_device_mmc(0, &carmeva_mmc_data);
 154         /* LEDs */
 155         at91_gpio_leds(carmeva_leds, ARRAY_SIZE(carmeva_leds));
 156 }
 157
 158 MACHINE_START(CARMEVA, "Carmeva")
 159         /* Maintainer: Conitec Datasystems */
 160         .timer          = &at91rm9200_timer,
 161         .map_io         = at91_map_io,
 162         .init_early     = carmeva_init_early,
 163         .init_irq       = at91_init_irq_default,
 164         .init_machine   = carmeva_board_init,
 165 MACHINE_END