LXR linux/arch/arm/mach-at91/board-eb9200.c

   1/*
   2 * linux/arch/arm/mach-at91/board-eb9200.c
   3 *
   4 *  Copyright (C) 2005 SAN People, adapted for ATEB9200 from Embest
   5 *  by Andrew Patrikalakis
   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/device.h>
  27
  28#include <mach/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 <mach/board.h>
  38#include <mach/gpio.h>
  39
  40#include "generic.h"
  41
  42
  43static void __init eb9200_map_io(void)
  44{
  45        /* Initialize processor: 18.432 MHz crystal */
  46        at91rm9200_initialize(18432000, 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        /* USART2 on ttyS2. (Rx, Tx) - IRDA */
  57        at91_register_uart(AT91RM9200_ID_US2, 2, 0);
  58
  59        /* set serial console to ttyS0 (ie, DBGU) */
  60        at91_set_serial_console(0);
  61}
  62
  63static void __init eb9200_init_irq(void)
  64{
  65        at91rm9200_init_interrupts(NULL);
  66}
  67
  68static struct at91_eth_data __initdata eb9200_eth_data = {
  69        .phy_irq_pin    = AT91_PIN_PC4,
  70        .is_rmii        = 1,
  71};
  72
  73static struct at91_usbh_data __initdata eb9200_usbh_data = {
  74        .ports          = 2,
  75};
  76
  77static struct at91_udc_data __initdata eb9200_udc_data = {
  78        .vbus_pin       = AT91_PIN_PD4,
  79        .pullup_pin     = AT91_PIN_PD5,
  80};
  81
  82static struct at91_cf_data __initdata eb9200_cf_data = {
  83        .det_pin        = AT91_PIN_PB0,
  84        .rst_pin        = AT91_PIN_PC5,
  85        // .irq_pin     = ... not connected
  86        // .vcc_pin     = ... always powered
  87};
  88
  89static struct at91_mmc_data __initdata eb9200_mmc_data = {
  90        .slot_b         = 0,
  91        .wire4          = 1,
  92};
  93
  94static struct i2c_board_info __initdata eb9200_i2c_devices[] = {
  95        {
  96                I2C_BOARD_INFO("24c512", 0x50),
  97        },
  98};
  99
 100
 101static void __init eb9200_board_init(void)
 102{
 103        /* Serial */
 104        at91_add_device_serial();
 105        /* Ethernet */
 106        at91_add_device_eth(&eb9200_eth_data);
 107        /* USB Host */
 108        at91_add_device_usbh(&eb9200_usbh_data);
 109        /* USB Device */
 110        at91_add_device_udc(&eb9200_udc_data);
 111        /* I2C */
 112        at91_add_device_i2c(eb9200_i2c_devices, ARRAY_SIZE(eb9200_i2c_devices));
 113        /* Compact Flash */
 114        at91_add_device_cf(&eb9200_cf_data);
 115        /* SPI */
 116        at91_add_device_spi(NULL, 0);
 117        /* MMC */
 118        /* only supports 1 or 4 bit interface, not wired through to SPI */
 119        at91_add_device_mmc(0, &eb9200_mmc_data);
 120}
 121
 122MACHINE_START(ATEB9200, "Embest ATEB9200")
 123        .phys_io        = AT91_BASE_SYS,
 124        .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 125        .boot_params    = AT91_SDRAM_BASE + 0x100,
 126        .timer          = &at91rm9200_timer,
 127        .map_io         = eb9200_map_io,
 128        .init_irq       = eb9200_init_irq,
 129        .init_machine   = eb9200_board_init,
 130MACHINE_END
 131