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/config.h>
  25 #include <linux/types.h>
  26 #include <linux/init.h>
  27 #include <linux/mm.h>
  28 #include <linux/module.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/spi/spi.h>
  31
  32 #include <asm/hardware.h>
  33 #include <asm/setup.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/irq.h>
  36
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39 #include <asm/mach/irq.h>
  40
  41 #include <asm/hardware.h>
  42 #include <asm/arch/board.h>
  43 #include <asm/arch/gpio.h>
  44
  45 #include "generic.h"
  46
  47 static void __init ek_init_irq(void)
  48 {
  49         /* Initialize AIC controller */
  50         at91rm9200_init_irq(NULL);
  51
  52         /* Set up the GPIO interrupts */
  53         at91_gpio_irq_setup(BGA_GPIO_BANKS);
  54 }
  55
  56 /*
  57  * Serial port configuration.
  58  *    0 .. 3 = USART0 .. USART3
  59  *    4      = DBGU
  60  */
  61 static struct at91_uart_config __initdata ek_uart_config = {
  62         .console_tty    = 0,                            /* ttyS0 */
  63         .nr_tty         = 2,
  64         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  65 };
  66
  67 static void __init ek_map_io(void)
  68 {
  69         at91rm9200_map_io();
  70
  71         /* Initialize clocks: 18.432 MHz crystal */
  72         at91_clock_init(18432000);
  73
  74         /* Setup the LEDs */
  75         at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
  76
  77         /* Setup the serial ports and console */
  78         at91_init_serial(&ek_uart_config);
  79 }
  80
  81 static struct at91_eth_data __initdata ek_eth_data = {
  82         .phy_irq_pin    = AT91_PIN_PC4,
  83         .is_rmii        = 1,
  84 };
  85
  86 static struct at91_usbh_data __initdata ek_usbh_data = {
  87         .ports          = 2,
  88 };
  89
  90 static struct at91_udc_data __initdata ek_udc_data = {
  91         .vbus_pin       = AT91_PIN_PD4,
  92         .pullup_pin     = AT91_PIN_PD5,
  93 };
  94
  95 static struct at91_mmc_data __initdata ek_mmc_data = {
  96         .det_pin        = AT91_PIN_PB27,
  97         .is_b           = 0,
  98         .wire4          = 1,
  99         .wp_pin         = AT91_PIN_PA17,
 100 };
 101
 102 static struct spi_board_info ek_spi_devices[] = {
 103         {       /* DataFlash chip */
 104                 .modalias       = "mtd_dataflash",
 105                 .chip_select    = 0,
 106                 .max_speed_hz   = 15 * 1000 * 1000,
 107         },
 108 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 109         {       /* DataFlash card */
 110                 .modalias       = "mtd_dataflash",
 111                 .chip_select    = 3,
 112                 .max_speed_hz   = 15 * 1000 * 1000,
 113         },
 114 #endif
 115 };
 116
 117 static void __init ek_board_init(void)
 118 {
 119         /* Serial */
 120         at91_add_device_serial();
 121         /* Ethernet */
 122         at91_add_device_eth(&ek_eth_data);
 123         /* USB Host */
 124         at91_add_device_usbh(&ek_usbh_data);
 125         /* USB Device */
 126         at91_add_device_udc(&ek_udc_data);
 127         at91_set_multi_drive(ek_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 128         /* I2C */
 129         at91_add_device_i2c();
 130         /* SPI */
 131         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 132 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 133         /* DataFlash card */
 134         at91_set_gpio_output(AT91_PIN_PB22, 0);
 135 #else
 136         /* MMC */
 137         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
 138         at91_add_device_mmc(&ek_mmc_data);
 139 #endif
 140         /* VGA */
 141 //      ek_add_device_video();
 142 }
 143
 144 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
 145         /* Maintainer: SAN People/Atmel */
 146         .phys_io        = AT91_BASE_SYS,
 147         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 148         .boot_params    = AT91_SDRAM_BASE + 0x100,
 149         .timer          = &at91rm9200_timer,
 150         .map_io         = ek_map_io,
 151         .init_irq       = ek_init_irq,
 152         .init_machine   = ek_board_init,
 153 MACHINE_END