arch/arm/mach-at91rm9200/board-csb337.c

   1 /*
   2  * linux/arch/arm/mach-at91rm9200/board-csb337.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 #include <linux/spi/spi.h>
  27
  28 #include <asm/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 <asm/arch/board.h>
  38 #include <asm/arch/gpio.h>
  39
  40 #include "generic.h"
  41
  42 static void __init csb337_init_irq(void)
  43 {
  44         /* Initialize AIC controller */
  45         at91rm9200_init_irq(NULL);
  46
  47         /* Set up the GPIO interrupts */
  48         at91_gpio_irq_setup(BGA_GPIO_BANKS);
  49 }
  50
  51 /*
  52  * Serial port configuration.
  53  *    0 .. 3 = USART0 .. USART3
  54  *    4      = DBGU
  55  */
  56 static struct at91_uart_config __initdata csb337_uart_config = {
  57         .console_tty    = 0,                            /* ttyS0 */
  58         .nr_tty         = 2,
  59         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  60 };
  61
  62 static void __init csb337_map_io(void)
  63 {
  64         /* Initialize processor: 3.6864 MHz crystal */
  65         at91rm9200_initialize(3686400);
  66
  67         /* Setup the LEDs */
  68         at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
  69
  70         /* Setup the serial ports and console */
  71         at91_init_serial(&csb337_uart_config);
  72 }
  73
  74 static struct at91_eth_data __initdata csb337_eth_data = {
  75         .phy_irq_pin    = AT91_PIN_PC2,
  76         .is_rmii        = 0,
  77 };
  78
  79 static struct at91_usbh_data __initdata csb337_usbh_data = {
  80         .ports          = 2,
  81 };
  82
  83 static struct at91_udc_data __initdata csb337_udc_data = {
  84         // this has no VBUS sensing pin
  85         .pullup_pin     = AT91_PIN_PA24,
  86 };
  87
  88 static struct at91_cf_data __initdata csb337_cf_data = {
  89         /*
  90          * connector P4 on the CSB 337 mates to
  91          * connector P8 on the CSB 300CF
  92          */
  93
  94         /* CSB337 specific */
  95         .det_pin        = AT91_PIN_PC3,
  96
  97         /* CSB300CF specific */
  98         .irq_pin        = AT91_PIN_PA19,
  99         .vcc_pin        = AT91_PIN_PD0,
 100         .rst_pin        = AT91_PIN_PD2,
 101 };
 102
 103 static struct at91_mmc_data __initdata csb337_mmc_data = {
 104         .det_pin        = AT91_PIN_PD5,
 105         .is_b           = 0,
 106         .wire4          = 1,
 107         .wp_pin         = AT91_PIN_PD6,
 108 };
 109
 110 static struct spi_board_info csb337_spi_devices[] = {
 111         {       /* CAN controller */
 112                 .modalias       = "sak82c900",
 113                 .chip_select    = 0,
 114                 .max_speed_hz   = 6 * 1000 * 1000,
 115         },
 116 };
 117
 118 static void __init csb337_board_init(void)
 119 {
 120         /* Serial */
 121         at91_add_device_serial();
 122         /* Ethernet */
 123         at91_add_device_eth(&csb337_eth_data);
 124         /* USB Host */
 125         at91_add_device_usbh(&csb337_usbh_data);
 126         /* USB Device */
 127         at91_add_device_udc(&csb337_udc_data);
 128         /* I2C */
 129         at91_add_device_i2c();
 130         /* Compact Flash */
 131         at91_set_gpio_input(AT91_PIN_PB22, 1);          /* IOIS16 */
 132         at91_add_device_cf(&csb337_cf_data);
 133         /* SPI */
 134         at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
 135         /* MMC */
 136         at91_add_device_mmc(&csb337_mmc_data);
 137 }
 138
 139 MACHINE_START(CSB337, "Cogent CSB337")
 140         /* Maintainer: Bill Gatliff */
 141         .phys_io        = AT91_BASE_SYS,
 142         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 143         .boot_params    = AT91_SDRAM_BASE + 0x100,
 144         .timer          = &at91rm9200_timer,
 145         .map_io         = csb337_map_io,
 146         .init_irq       = csb337_init_irq,
 147         .init_machine   = csb337_board_init,
 148 MACHINE_END