arch/arm/mach-at91rm9200/board-eb9200.c

   1 /*
   2  * linux/arch/arm/mach-at91rm9200/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/config.h>
  23 #include <linux/types.h>
  24 #include <linux/init.h>
  25 #include <linux/mm.h>
  26 #include <linux/module.h>
  27 #include <linux/device.h>
  28
  29 #include <asm/hardware.h>
  30 #include <asm/setup.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/irq.h>
  33
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36 #include <asm/mach/irq.h>
  37
  38 #include <asm/arch/hardware.h>
  39 #include <asm/arch/board.h>
  40 #include <asm/arch/gpio.h>
  41
  42 #include "generic.h"
  43
  44 static void __init eb9200_init_irq(void)
  45 {
  46         /* Initialize AIC controller */
  47         at91rm9200_init_irq(NULL);
  48
  49         /* Set up the GPIO interrupts */
  50         at91_gpio_irq_setup(BGA_GPIO_BANKS);
  51 }
  52
  53 /*
  54  * Serial port configuration.
  55  *    0 .. 3 = USART0 .. USART3
  56  *    4      = DBGU
  57  */
  58 static struct at91_uart_config __initdata eb9200_uart_config = {
  59         .console_tty    = 0,                            /* ttyS0 */
  60         .nr_tty         = 2,
  61         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  62 };
  63
  64 static void __init eb9200_map_io(void)
  65 {
  66         at91rm9200_map_io();
  67
  68         /* Initialize clocks: 18.432 MHz crystal */
  69         at91_clock_init(18432000);
  70
  71         /* Setup the serial ports and console */
  72         at91_init_serial(&eb9200_uart_config);
  73 }
  74
  75 static struct at91_eth_data __initdata eb9200_eth_data = {
  76         .phy_irq_pin    = AT91_PIN_PC4,
  77         .is_rmii        = 1,
  78 };
  79
  80 static struct at91_usbh_data __initdata eb9200_usbh_data = {
  81         .ports          = 2,
  82 };
  83
  84 static struct at91_udc_data __initdata eb9200_udc_data = {
  85         .vbus_pin       = AT91_PIN_PD4,
  86         .pullup_pin     = AT91_PIN_PD5,
  87 };
  88
  89 static struct at91_cf_data __initdata eb9200_cf_data = {
  90         .det_pin        = AT91_PIN_PB0,
  91         .rst_pin        = AT91_PIN_PC5,
  92         // .irq_pin     = ... not connected
  93         // .vcc_pin     = ... always powered
  94 };
  95
  96 static struct at91_mmc_data __initdata eb9200_mmc_data = {
  97         .is_b           = 0,
  98         .wire4          = 1,
  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();
 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(&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