release/src-rt-6.x.4708/linux/linux-2.6.36/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/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
  43 static 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
  60 static void __init carmeva_init_irq(void)
  61 {
  62         at91rm9200_init_interrupts(NULL);
  63 }
  64
  65 static struct at91_eth_data __initdata carmeva_eth_data = {
  66         .phy_irq_pin    = AT91_PIN_PC4,
  67         .is_rmii        = 1,
  68 };
  69
  70 static struct at91_usbh_data __initdata carmeva_usbh_data = {
  71         .ports          = 2,
  72 };
  73
  74 static struct at91_udc_data __initdata carmeva_udc_data = {
  75         .vbus_pin       = AT91_PIN_PD12,
  76         .pullup_pin     = AT91_PIN_PD9,
  77 };
  78
  79 // static struct at91_cf_data __initdata carmeva_cf_data = {
  80 //      .det_pin        = AT91_PIN_PB0,
  81 //      .rst_pin        = AT91_PIN_PC5,
  82         // .irq_pin     = ... not connected
  83         // .vcc_pin     = ... always powered
  84 // };
  85
  86 static struct at91_mmc_data __initdata carmeva_mmc_data = {
  87         .slot_b         = 0,
  88         .wire4          = 1,
  89         .det_pin        = AT91_PIN_PB10,
  90         .wp_pin         = AT91_PIN_PC14,
  91 };
  92
  93 static struct spi_board_info carmeva_spi_devices[] = {
  94         { /* DataFlash chip */
  95                 .modalias = "mtd_dataflash",
  96                 .chip_select  = 0,
  97                 .max_speed_hz = 10 * 1000 * 1000,
  98         },
  99         { /* User accessible spi - cs1 (250KHz) */
 100                 .modalias = "spi-cs1",
 101                 .chip_select  = 1,
 102                 .max_speed_hz = 250 *  1000,
 103         },
 104         { /* User accessible spi - cs2 (1MHz) */
 105                 .modalias = "spi-cs2",
 106                 .chip_select  = 2,
 107                 .max_speed_hz = 1 * 1000 *  1000,
 108         },
 109         { /* User accessible spi - cs3 (10MHz) */
 110                 .modalias = "spi-cs3",
 111                 .chip_select  = 3,
 112                 .max_speed_hz = 10 * 1000 *  1000,
 113         },
 114 };
 115
 116 static struct gpio_led carmeva_leds[] = {
 117         { /* "user led 1", LED9 */
 118                 .name                   = "led9",
 119                 .gpio                   = AT91_PIN_PA21,
 120                 .active_low             = 1,
 121                 .default_trigger        = "heartbeat",
 122         },
 123         { /* "user led 2", LED10 */
 124                 .name                   = "led10",
 125                 .gpio                   = AT91_PIN_PA25,
 126                 .active_low             = 1,
 127         },
 128         { /* "user led 3", LED11 */
 129                 .name                   = "led11",
 130                 .gpio                   = AT91_PIN_PA26,
 131                 .active_low             = 1,
 132         },
 133         { /* "user led 4", LED12 */
 134                 .name                   = "led12",
 135                 .gpio                   = AT91_PIN_PA18,
 136                 .active_low             = 1,
 137         }
 138 };
 139
 140 static void __init carmeva_board_init(void)
 141 {
 142         /* Serial */
 143         at91_add_device_serial();
 144         /* Ethernet */
 145         at91_add_device_eth(&carmeva_eth_data);
 146         /* USB Host */
 147         at91_add_device_usbh(&carmeva_usbh_data);
 148         /* USB Device */
 149         at91_add_device_udc(&carmeva_udc_data);
 150         /* I2C */
 151         at91_add_device_i2c(NULL, 0);
 152         /* SPI */
 153         at91_add_device_spi(carmeva_spi_devices, ARRAY_SIZE(carmeva_spi_devices));
 154         /* Compact Flash */
 155 //      at91_add_device_cf(&carmeva_cf_data);
 156         /* MMC */
 157         at91_add_device_mmc(0, &carmeva_mmc_data);
 158         /* LEDs */
 159         at91_gpio_leds(carmeva_leds, ARRAY_SIZE(carmeva_leds));
 160 }
 161
 162 MACHINE_START(CARMEVA, "Carmeva")
 163         /* Maintainer: Conitec Datasystems */
 164         .phys_io        = AT91_BASE_SYS,
 165         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 166         .boot_params    = AT91_SDRAM_BASE + 0x100,
 167         .timer          = &at91rm9200_timer,
 168         .map_io         = carmeva_map_io,
 169         .init_irq       = carmeva_init_irq,
 170         .init_machine   = carmeva_board_init,
 171 MACHINE_END