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

   1 /*
   2  * linux/arch/arm/mach-at91rm9200/board-dk.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/types.h>
  25 #include <linux/init.h>
  26 #include <linux/mm.h>
  27 #include <linux/module.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/spi/spi.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/board.h>
  41 #include <asm/arch/gpio.h>
  42
  43 #include "generic.h"
  44
  45 static void __init dk_init_irq(void)
  46 {
  47         /* Initialize AIC controller */
  48         at91rm9200_init_irq(NULL);
  49
  50         /* Set up the GPIO interrupts */
  51         at91_gpio_irq_setup(BGA_GPIO_BANKS);
  52 }
  53
  54 /*
  55  * Serial port configuration.
  56  *    0 .. 3 = USART0 .. USART3
  57  *    4      = DBGU
  58  */
  59 static struct at91_uart_config __initdata dk_uart_config = {
  60         .console_tty    = 0,                            /* ttyS0 */
  61         .nr_tty         = 2,
  62         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  63 };
  64
  65 static void __init dk_map_io(void)
  66 {
  67         /* Initialize processor: 18.432 MHz crystal */
  68         at91rm9200_initialize(18432000);
  69
  70         /* Setup the LEDs */
  71         at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
  72
  73         /* Setup the serial ports and console */
  74         at91_init_serial(&dk_uart_config);
  75 }
  76
  77 static struct at91_eth_data __initdata dk_eth_data = {
  78         .phy_irq_pin    = AT91_PIN_PC4,
  79         .is_rmii        = 1,
  80 };
  81
  82 static struct at91_usbh_data __initdata dk_usbh_data = {
  83         .ports          = 2,
  84 };
  85
  86 static struct at91_udc_data __initdata dk_udc_data = {
  87         .vbus_pin       = AT91_PIN_PD4,
  88         .pullup_pin     = AT91_PIN_PD5,
  89 };
  90
  91 static struct at91_cf_data __initdata dk_cf_data = {
  92         .det_pin        = AT91_PIN_PB0,
  93         .rst_pin        = AT91_PIN_PC5,
  94         // .irq_pin     = ... not connected
  95         // .vcc_pin     = ... always powered
  96 };
  97
  98 static struct at91_mmc_data __initdata dk_mmc_data = {
  99         .is_b           = 0,
 100         .wire4          = 1,
 101 };
 102
 103 static struct spi_board_info dk_spi_devices[] = {
 104         {       /* DataFlash chip */
 105                 .modalias       = "mtd_dataflash",
 106                 .chip_select    = 0,
 107                 .max_speed_hz   = 15 * 1000 * 1000,
 108         },
 109         {       /* UR6HCPS2-SP40 PS2-to-SPI adapter */
 110                 .modalias       = "ur6hcps2",
 111                 .chip_select    = 1,
 112                 .max_speed_hz   = 250 *  1000,
 113         },
 114         {       /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
 115                 .modalias       = "tlv1504",
 116                 .chip_select    = 2,
 117                 .max_speed_hz   = 20 * 1000 * 1000,
 118         },
 119 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 120         {       /* DataFlash card */
 121                 .modalias       = "mtd_dataflash",
 122                 .chip_select    = 3,
 123                 .max_speed_hz   = 15 * 1000 * 1000,
 124         }
 125 #endif
 126 };
 127
 128 static void __init dk_board_init(void)
 129 {
 130         /* Serial */
 131         at91_add_device_serial();
 132         /* Ethernet */
 133         at91_add_device_eth(&dk_eth_data);
 134         /* USB Host */
 135         at91_add_device_usbh(&dk_usbh_data);
 136         /* USB Device */
 137         at91_add_device_udc(&dk_udc_data);
 138         at91_set_multi_drive(dk_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 139         /* Compact Flash */
 140         at91_add_device_cf(&dk_cf_data);
 141         /* I2C */
 142         at91_add_device_i2c();
 143         /* SPI */
 144         at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
 145 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 146         /* DataFlash card */
 147         at91_set_gpio_output(AT91_PIN_PB7, 0);
 148 #else
 149         /* MMC */
 150         at91_set_gpio_output(AT91_PIN_PB7, 1);  /* this MMC card slot can optionally use SPI signaling (CS3). */
 151         at91_add_device_mmc(&dk_mmc_data);
 152 #endif
 153         /* VGA */
 154 //      dk_add_device_video();
 155 }
 156
 157 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
 158         /* Maintainer: SAN People/Atmel */
 159         .phys_io        = AT91_BASE_SYS,
 160         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 161         .boot_params    = AT91_SDRAM_BASE + 0x100,
 162         .timer          = &at91rm9200_timer,
 163         .map_io         = dk_map_io,
 164         .init_irq       = dk_init_irq,
 165         .init_machine   = dk_board_init,
 166 MACHINE_END