release/src-rt-6.x/linux/linux-2.6/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/hardware.h>
  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 <asm/arch/board.h>
  38 #include <asm/arch/gpio.h>
  39
  40 #include "generic.h"
  41
  42
  43 /*
  44  * Serial port configuration.
  45  *    0 .. 3 = USART0 .. USART3
  46  *    4      = DBGU
  47  */
  48 static struct at91_uart_config __initdata carmeva_uart_config = {
  49         .console_tty    = 0,                            /* ttyS0 */
  50         .nr_tty         = 2,
  51         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  52 };
  53
  54 static void __init carmeva_map_io(void)
  55 {
  56         /* Initialize processor: 20.000 MHz crystal */
  57         at91rm9200_initialize(20000000, AT91RM9200_BGA);
  58
  59         /* Setup the serial ports and console */
  60         at91_init_serial(&carmeva_uart_config);
  61 }
  62
  63 static void __init carmeva_init_irq(void)
  64 {
  65         at91rm9200_init_interrupts(NULL);
  66 }
  67
  68 static struct at91_eth_data __initdata carmeva_eth_data = {
  69         .phy_irq_pin    = AT91_PIN_PC4,
  70         .is_rmii        = 1,
  71 };
  72
  73 static struct at91_usbh_data __initdata carmeva_usbh_data = {
  74         .ports          = 2,
  75 };
  76
  77 static struct at91_udc_data __initdata carmeva_udc_data = {
  78         .vbus_pin       = AT91_PIN_PD12,
  79         .pullup_pin     = AT91_PIN_PD9,
  80 };
  81
  82 /* FIXME: user dependant */
  83 // static struct at91_cf_data __initdata carmeva_cf_data = {
  84 //      .det_pin        = AT91_PIN_PB0,
  85 //      .rst_pin        = AT91_PIN_PC5,
  86         // .irq_pin     = ... not connected
  87         // .vcc_pin     = ... always powered
  88 // };
  89
  90 static struct at91_mmc_data __initdata carmeva_mmc_data = {
  91         .slot_b         = 0,
  92         .wire4          = 1,
  93         .det_pin        = AT91_PIN_PB10,
  94         .wp_pin         = AT91_PIN_PC14,
  95 };
  96
  97 static struct spi_board_info carmeva_spi_devices[] = {
  98         { /* DataFlash chip */
  99                 .modalias = "mtd_dataflash",
 100                 .chip_select  = 0,
 101                 .max_speed_hz = 10 * 1000 * 1000,
 102         },
 103         { /* User accessible spi - cs1 (250KHz) */
 104                 .modalias = "spi-cs1",
 105                 .chip_select  = 1,
 106                 .max_speed_hz = 250 *  1000,
 107         },
 108         { /* User accessible spi - cs2 (1MHz) */
 109                 .modalias = "spi-cs2",
 110                 .chip_select  = 2,
 111                 .max_speed_hz = 1 * 1000 *  1000,
 112         },
 113         { /* User accessible spi - cs3 (10MHz) */
 114                 .modalias = "spi-cs3",
 115                 .chip_select  = 3,
 116                 .max_speed_hz = 10 * 1000 *  1000,
 117         },
 118 };
 119
 120 static void __init carmeva_board_init(void)
 121 {
 122         /* Serial */
 123         at91_add_device_serial();
 124         /* Ethernet */
 125         at91_add_device_eth(&carmeva_eth_data);
 126         /* USB Host */
 127         at91_add_device_usbh(&carmeva_usbh_data);
 128         /* USB Device */
 129         at91_add_device_udc(&carmeva_udc_data);
 130         /* I2C */
 131         at91_add_device_i2c();
 132         /* SPI */
 133         at91_add_device_spi(carmeva_spi_devices, ARRAY_SIZE(carmeva_spi_devices));
 134         /* Compact Flash */
 135 //      at91_add_device_cf(&carmeva_cf_data);
 136         /* MMC */
 137         at91_add_device_mmc(0, &carmeva_mmc_data);
 138 }
 139
 140 MACHINE_START(CARMEVA, "Carmeva")
 141         /* Maintainer: Conitec Datasystems */
 142         .phys_io        = AT91_BASE_SYS,
 143         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 144         .boot_params    = AT91_SDRAM_BASE + 0x100,
 145         .timer          = &at91rm9200_timer,
 146         .map_io         = carmeva_map_io,
 147         .init_irq       = carmeva_init_irq,
 148         .init_machine   = carmeva_board_init,
 149 MACHINE_END