arch/arm/mach-at91rm9200/board-ek.c

   1 /*
   2  * linux/arch/arm/mach-at91rm9200/board-ek.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *
   6  *  Epson S1D framebuffer glue code is:
   7  *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include <linux/types.h>
  25 #include <linux/init.h>
  26 #include <linux/mm.h>
  27 #include <linux/module.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/spi/spi.h>
  30
  31 #include <asm/hardware.h>
  32 #include <asm/setup.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/irq.h>
  35
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38 #include <asm/mach/irq.h>
  39
  40 #include <asm/arch/board.h>
  41 #include <asm/arch/gpio.h>
  42
  43 #include "generic.h"
  44
  45
  46 /*
  47  * Serial port configuration.
  48  *    0 .. 3 = USART0 .. USART3
  49  *    4      = DBGU
  50  */
  51 static struct at91_uart_config __initdata ek_uart_config = {
  52         .console_tty    = 0,                            /* ttyS0 */
  53         .nr_tty         = 2,
  54         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  55 };
  56
  57 static void __init ek_map_io(void)
  58 {
  59         /* Initialize processor: 18.432 MHz crystal */
  60         at91rm9200_initialize(18432000, AT91RM9200_BGA);
  61
  62         /* Setup the LEDs */
  63         at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
  64
  65         /* Setup the serial ports and console */
  66         at91_init_serial(&ek_uart_config);
  67 }
  68
  69 static void __init ek_init_irq(void)
  70 {
  71         at91rm9200_init_interrupts(NULL);
  72 }
  73
  74 static struct at91_eth_data __initdata ek_eth_data = {
  75         .phy_irq_pin    = AT91_PIN_PC4,
  76         .is_rmii        = 1,
  77 };
  78
  79 static struct at91_usbh_data __initdata ek_usbh_data = {
  80         .ports          = 2,
  81 };
  82
  83 static struct at91_udc_data __initdata ek_udc_data = {
  84         .vbus_pin       = AT91_PIN_PD4,
  85         .pullup_pin     = AT91_PIN_PD5,
  86 };
  87
  88 static struct at91_mmc_data __initdata ek_mmc_data = {
  89         .det_pin        = AT91_PIN_PB27,
  90         .is_b           = 0,
  91         .wire4          = 1,
  92         .wp_pin         = AT91_PIN_PA17,
  93 };
  94
  95 static struct spi_board_info ek_spi_devices[] = {
  96         {       /* DataFlash chip */
  97                 .modalias       = "mtd_dataflash",
  98                 .chip_select    = 0,
  99                 .max_speed_hz   = 15 * 1000 * 1000,
 100         },
 101 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 102         {       /* DataFlash card */
 103                 .modalias       = "mtd_dataflash",
 104                 .chip_select    = 3,
 105                 .max_speed_hz   = 15 * 1000 * 1000,
 106         },
 107 #endif
 108 };
 109
 110 static void __init ek_board_init(void)
 111 {
 112         /* Serial */
 113         at91_add_device_serial();
 114         /* Ethernet */
 115         at91_add_device_eth(&ek_eth_data);
 116         /* USB Host */
 117         at91_add_device_usbh(&ek_usbh_data);
 118         /* USB Device */
 119         at91_add_device_udc(&ek_udc_data);
 120         at91_set_multi_drive(ek_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 121         /* I2C */
 122         at91_add_device_i2c();
 123         /* SPI */
 124         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 125 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 126         /* DataFlash card */
 127         at91_set_gpio_output(AT91_PIN_PB22, 0);
 128 #else
 129         /* MMC */
 130         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
 131         at91_add_device_mmc(&ek_mmc_data);
 132 #endif
 133         /* VGA */
 134 //      ek_add_device_video();
 135 }
 136
 137 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
 138         /* Maintainer: SAN People/Atmel */
 139         .phys_io        = AT91_BASE_SYS,
 140         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 141         .boot_params    = AT91_SDRAM_BASE + 0x100,
 142         .timer          = &at91rm9200_timer,
 143         .map_io         = ek_map_io,
 144         .init_irq       = ek_init_irq,
 145         .init_machine   = ek_board_init,
 146 MACHINE_END