release/src-rt-6.x/linux/linux-2.6/arch/arm/mach-at91/board-1arm.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-1arm.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <linux/types.h>
  22 #include <linux/init.h>
  23 #include <linux/mm.h>
  24 #include <linux/module.h>
  25 #include <linux/platform_device.h>
  26
  27 #include <asm/hardware.h>
  28 #include <asm/setup.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/irq.h>
  31
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34 #include <asm/mach/irq.h>
  35
  36 #include <asm/arch/board.h>
  37 #include <asm/arch/gpio.h>
  38
  39 #include "generic.h"
  40
  41
  42 /*
  43  * Serial port configuration.
  44  *    0 .. 3 = USART0 .. USART3
  45  *    4      = DBGU
  46  */
  47 static struct at91_uart_config __initdata onearm_uart_config = {
  48         .console_tty    = 0,                            /* ttyS0 */
  49         .nr_tty         = 3,
  50         .tty_map        = { 4, 0, 1, -1, -1 },          /* ttyS0, ..., ttyS4 */
  51 };
  52
  53 static void __init onearm_map_io(void)
  54 {
  55         /* Initialize processor: 18.432 MHz crystal */
  56         at91rm9200_initialize(18432000, AT91RM9200_PQFP);
  57
  58         /* Setup the serial ports and console */
  59         at91_init_serial(&onearm_uart_config);
  60 }
  61
  62 static void __init onearm_init_irq(void)
  63 {
  64         at91rm9200_init_interrupts(NULL);
  65 }
  66
  67 static struct at91_eth_data __initdata onearm_eth_data = {
  68         .phy_irq_pin    = AT91_PIN_PC4,
  69         .is_rmii        = 1,
  70 };
  71
  72 static struct at91_usbh_data __initdata onearm_usbh_data = {
  73         .ports          = 1,
  74 };
  75
  76 static struct at91_udc_data __initdata onearm_udc_data = {
  77         .vbus_pin       = AT91_PIN_PC2,
  78         .pullup_pin     = AT91_PIN_PC3,
  79 };
  80
  81 static void __init onearm_board_init(void)
  82 {
  83         /* Serial */
  84         at91_add_device_serial();
  85         /* Ethernet */
  86         at91_add_device_eth(&onearm_eth_data);
  87         /* USB Host */
  88         at91_add_device_usbh(&onearm_usbh_data);
  89         /* USB Device */
  90         at91_add_device_udc(&onearm_udc_data);
  91 }
  92
  93 MACHINE_START(ONEARM, "Ajeco 1ARM single board computer")
  94         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
  95         .phys_io        = AT91_BASE_SYS,
  96         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
  97         .boot_params    = AT91_SDRAM_BASE + 0x100,
  98         .timer          = &at91rm9200_timer,
  99         .map_io         = onearm_map_io,
 100         .init_irq       = onearm_init_irq,
 101         .init_machine   = onearm_board_init,
 102 MACHINE_END