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
  39 #include "at91_aic.h"
  40 #include "board.h"
  41 #include "generic.h"
  42
  43
  44 static void __init carmeva_init_early(void)
  45 {
  46         /* Initialize processor: 20.000 MHz crystal */
  47         at91_initialize(20000000);
  48 }
  49
  50 static struct macb_platform_data __initdata carmeva_eth_data = {
  51         .phy_irq_pin    = AT91_PIN_PC4,
  52         .is_rmii        = 1,
  53 };
  54
  55 static struct at91_usbh_data __initdata carmeva_usbh_data = {
  56         .ports          = 2,
  57         .vbus_pin       = {-EINVAL, -EINVAL},
  58         .overcurrent_pin= {-EINVAL, -EINVAL},
  59 };
  60
  61 static struct at91_udc_data __initdata carmeva_udc_data = {
  62         .vbus_pin       = AT91_PIN_PD12,
  63         .pullup_pin     = AT91_PIN_PD9,
  64 };
  65
  66 /* FIXME: user dependent */
  67 // static struct at91_cf_data __initdata carmeva_cf_data = {
  68 //      .det_pin        = AT91_PIN_PB0,
  69 //      .rst_pin        = AT91_PIN_PC5,
  70         // .irq_pin     = -EINVAL,
  71         // .vcc_pin     = -EINVAL,
  72 // };
  73
  74 static struct mci_platform_data __initdata carmeva_mci0_data = {
  75         .slot[0] = {
  76                 .bus_width      = 4,
  77                 .detect_pin     = AT91_PIN_PB10,
  78                 .wp_pin         = AT91_PIN_PC14,
  79         },
  80 };
  81
  82 static struct spi_board_info carmeva_spi_devices[] = {
  83         { /* DataFlash chip */
  84                 .modalias = "mtd_dataflash",
  85                 .chip_select  = 0,
  86                 .max_speed_hz = 10 * 1000 * 1000,
  87         },
  88         { /* User accessible spi - cs1 (250KHz) */
  89                 .modalias = "spi-cs1",
  90                 .chip_select  = 1,
  91                 .max_speed_hz = 250 *  1000,
  92         },
  93         { /* User accessible spi - cs2 (1MHz) */
  94                 .modalias = "spi-cs2",
  95                 .chip_select  = 2,
  96                 .max_speed_hz = 1 * 1000 *  1000,
  97         },
  98         { /* User accessible spi - cs3 (10MHz) */
  99                 .modalias = "spi-cs3",
 100                 .chip_select  = 3,
 101                 .max_speed_hz = 10 * 1000 *  1000,
 102         },
 103 };
 104
 105 static struct gpio_led carmeva_leds[] = {
 106         { /* "user led 1", LED9 */
 107                 .name                   = "led9",
 108                 .gpio                   = AT91_PIN_PA21,
 109                 .active_low             = 1,
 110                 .default_trigger        = "heartbeat",
 111         },
 112         { /* "user led 2", LED10 */
 113                 .name                   = "led10",
 114                 .gpio                   = AT91_PIN_PA25,
 115                 .active_low             = 1,
 116         },
 117         { /* "user led 3", LED11 */
 118                 .name                   = "led11",
 119                 .gpio                   = AT91_PIN_PA26,
 120                 .active_low             = 1,
 121         },
 122         { /* "user led 4", LED12 */
 123                 .name                   = "led12",
 124                 .gpio                   = AT91_PIN_PA18,
 125                 .active_low             = 1,
 126         }
 127 };
 128
 129 static void __init carmeva_board_init(void)
 130 {
 131         /* Serial */
 132         /* DBGU on ttyS0. (Rx & Tx only) */
 133         at91_register_uart(0, 0, 0);
 134
 135         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
 136         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
 137                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
 138                            | ATMEL_UART_RI);
 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_mci(0, &carmeva_mci0_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         .init_time      = at91rm9200_timer_init,
 161         .map_io         = at91_map_io,
 162         .handle_irq     = at91_aic_handle_irq,
 163         .init_early     = carmeva_init_early,
 164         .init_irq       = at91_init_irq_default,
 165         .init_machine   = carmeva_board_init,
 166 MACHINE_END