release/src-rt-6.x.4708/linux/linux-2.6.36/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
  43 static 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
  63 static void __init eb9200_init_irq(void)
  64 {
  65         at91rm9200_init_interrupts(NULL);
  66 }
  67
  68 static struct at91_eth_data __initdata eb9200_eth_data = {
  69         .phy_irq_pin    = AT91_PIN_PC4,
  70         .is_rmii        = 1,
  71 };
  72
  73 static struct at91_usbh_data __initdata eb9200_usbh_data = {
  74         .ports          = 2,
  75 };
  76
  77 static struct at91_udc_data __initdata eb9200_udc_data = {
  78         .vbus_pin       = AT91_PIN_PD4,
  79         .pullup_pin     = AT91_PIN_PD5,
  80 };
  81
  82 static 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
  89 static struct at91_mmc_data __initdata eb9200_mmc_data = {
  90         .slot_b         = 0,
  91         .wire4          = 1,
  92 };
  93
  94 static struct i2c_board_info __initdata eb9200_i2c_devices[] = {
  95         {
  96                 I2C_BOARD_INFO("24c512", 0x50),
  97         },
  98 };
  99
 100
 101 static 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
 122 MACHINE_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,
 130 MACHINE_END