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
  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/hardware.h>
  41 #include <asm/mach/serial_at91rm9200.h>
  42 #include <asm/arch/board.h>
  43
  44 #include "generic.h"
  45
  46 static void __init ek_init_irq(void)
  47 {
  48         /* Initialize AIC controller */
  49         at91rm9200_init_irq(NULL);
  50
  51         /* Set up the GPIO interrupts */
  52         at91_gpio_irq_setup(BGA_GPIO_BANKS);
  53 }
  54
  55 /*
  56  * Serial port configuration.
  57  *    0 .. 3 = USART0 .. USART3
  58  *    4      = DBGU
  59  */
  60 #define EK_UART_MAP             { 4, 1, -1, -1, -1 }    /* ttyS0, ..., ttyS4 */
  61 #define EK_SERIAL_CONSOLE       0                       /* ttyS0 */
  62
  63 static void __init ek_map_io(void)
  64 {
  65         int serial[AT91_NR_UART] = EK_UART_MAP;
  66         int i;
  67
  68         at91rm9200_map_io();
  69
  70         /* Initialize clocks: 18.432 MHz crystal */
  71         at91_clock_init(18432000);
  72
  73 #ifdef CONFIG_SERIAL_AT91
  74         at91_console_port = EK_SERIAL_CONSOLE;
  75         memcpy(at91_serial_map, serial, sizeof(serial));
  76
  77         /* Register UARTs */
  78         for (i = 0; i < AT91_NR_UART; i++) {
  79                 if (serial[i] >= 0)
  80                         at91_register_uart(i, serial[i]);
  81         }
  82 #endif
  83 }
  84
  85 static struct at91_eth_data __initdata ek_eth_data = {
  86         .phy_irq_pin    = AT91_PIN_PC4,
  87         .is_rmii        = 1,
  88 };
  89
  90 static struct at91_usbh_data __initdata ek_usbh_data = {
  91         .ports          = 2,
  92 };
  93
  94 static struct at91_udc_data __initdata ek_udc_data = {
  95         .vbus_pin       = AT91_PIN_PD4,
  96         .pullup_pin     = AT91_PIN_PD5,
  97 };
  98
  99 static struct at91_mmc_data __initdata ek_mmc_data = {
 100         .det_pin        = AT91_PIN_PB27,
 101         .is_b           = 0,
 102         .wire4          = 1,
 103         .wp_pin         = AT91_PIN_PA17,
 104 };
 105
 106 static void __init ek_board_init(void)
 107 {
 108         /* Ethernet */
 109         at91_add_device_eth(&ek_eth_data);
 110         /* USB Host */
 111         at91_add_device_usbh(&ek_usbh_data);
 112         /* USB Device */
 113         at91_add_device_udc(&ek_udc_data);
 114         /* MMC */
 115         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
 116         at91_add_device_mmc(&ek_mmc_data);
 117         /* VGA */
 118 //      ek_add_device_video();
 119 }
 120
 121 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
 122         /* Maintainer: SAN People/Atmel */
 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         = ek_map_io,
 128         .init_irq       = ek_init_irq,
 129         .init_machine   = ek_board_init,
 130 MACHINE_END