arch/arm/mach-at91/board-rm9200ek.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-rm9200ek.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/gpio.h>
  26 #include <linux/init.h>
  27 #include <linux/mm.h>
  28 #include <linux/module.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/spi/spi.h>
  31 #include <linux/mtd/physmap.h>
  32
  33 #include <asm/setup.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/irq.h>
  36
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39 #include <asm/mach/irq.h>
  40
  41 #include <mach/hardware.h>
  42 #include <mach/at91rm9200_mc.h>
  43 #include <mach/at91_ramc.h>
  44
  45 #include "at91_aic.h"
  46 #include "board.h"
  47 #include "generic.h"
  48
  49
  50 static void __init ek_init_early(void)
  51 {
  52         /* Initialize processor: 18.432 MHz crystal */
  53         at91_initialize(18432000);
  54 }
  55
  56 static struct macb_platform_data __initdata ek_eth_data = {
  57         .phy_irq_pin    = AT91_PIN_PC4,
  58         .is_rmii        = 1,
  59 };
  60
  61 static struct at91_usbh_data __initdata ek_usbh_data = {
  62         .ports          = 2,
  63         .vbus_pin       = {-EINVAL, -EINVAL},
  64         .overcurrent_pin= {-EINVAL, -EINVAL},
  65 };
  66
  67 static struct at91_udc_data __initdata ek_udc_data = {
  68         .vbus_pin       = AT91_PIN_PD4,
  69         .pullup_pin     = AT91_PIN_PD5,
  70 };
  71
  72 #ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
  73 static struct mci_platform_data __initdata ek_mci0_data = {
  74         .slot[0] = {
  75                 .bus_width      = 4,
  76                 .detect_pin     = AT91_PIN_PB27,
  77                 .wp_pin         = AT91_PIN_PA17,
  78         }
  79 };
  80 #endif
  81
  82 static struct spi_board_info ek_spi_devices[] = {
  83         {       /* DataFlash chip */
  84                 .modalias       = "mtd_dataflash",
  85                 .chip_select    = 0,
  86                 .max_speed_hz   = 15 * 1000 * 1000,
  87         },
  88 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
  89         {       /* DataFlash card */
  90                 .modalias       = "mtd_dataflash",
  91                 .chip_select    = 3,
  92                 .max_speed_hz   = 15 * 1000 * 1000,
  93         },
  94 #endif
  95 };
  96
  97 static struct i2c_board_info __initdata ek_i2c_devices[] = {
  98         {
  99                 I2C_BOARD_INFO("ics1523", 0x26),
 100         },
 101         {
 102                 I2C_BOARD_INFO("dac3550", 0x4d),
 103         }
 104 };
 105
 106 #define EK_FLASH_BASE   AT91_CHIPSELECT_0
 107 #define EK_FLASH_SIZE   SZ_8M
 108
 109 static struct physmap_flash_data ek_flash_data = {
 110         .width          = 2,
 111 };
 112
 113 static struct resource ek_flash_resource = {
 114         .start          = EK_FLASH_BASE,
 115         .end            = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
 116         .flags          = IORESOURCE_MEM,
 117 };
 118
 119 static struct platform_device ek_flash = {
 120         .name           = "physmap-flash",
 121         .id             = 0,
 122         .dev            = {
 123                                 .platform_data  = &ek_flash_data,
 124                         },
 125         .resource       = &ek_flash_resource,
 126         .num_resources  = 1,
 127 };
 128
 129 static struct gpio_led ek_leds[] = {
 130         {       /* "user led 1", DS2 */
 131                 .name                   = "green",
 132                 .gpio                   = AT91_PIN_PB0,
 133                 .active_low             = 1,
 134                 .default_trigger        = "mmc0",
 135         },
 136         {       /* "user led 2", DS4 */
 137                 .name                   = "yellow",
 138                 .gpio                   = AT91_PIN_PB1,
 139                 .active_low             = 1,
 140                 .default_trigger        = "heartbeat",
 141         },
 142         {       /* "user led 3", DS6 */
 143                 .name                   = "red",
 144                 .gpio                   = AT91_PIN_PB2,
 145                 .active_low             = 1,
 146         }
 147 };
 148
 149 static void __init ek_board_init(void)
 150 {
 151         /* Serial */
 152         /* DBGU on ttyS0. (Rx & Tx only) */
 153         at91_register_uart(0, 0, 0);
 154
 155         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
 156         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
 157                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
 158                            | ATMEL_UART_RI);
 159         at91_add_device_serial();
 160         /* Ethernet */
 161         at91_add_device_eth(&ek_eth_data);
 162         /* USB Host */
 163         at91_add_device_usbh(&ek_usbh_data);
 164         /* USB Device */
 165         at91_add_device_udc(&ek_udc_data);
 166         at91_set_multi_drive(ek_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 167         /* I2C */
 168         at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
 169         /* SPI */
 170         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 171 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 172         /* DataFlash card */
 173         at91_set_gpio_output(AT91_PIN_PB22, 0);
 174 #else
 175         /* MMC */
 176         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
 177         at91_add_device_mci(0, &ek_mci0_data);
 178 #endif
 179         /* NOR Flash */
 180         platform_device_register(&ek_flash);
 181         /* LEDs */
 182         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 183         /* VGA */
 184 //      ek_add_device_video();
 185 }
 186
 187 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
 188         /* Maintainer: SAN People/Atmel */
 189         .init_time      = at91rm9200_timer_init,
 190         .map_io         = at91_map_io,
 191         .handle_irq     = at91_aic_handle_irq,
 192         .init_early     = ek_init_early,
 193         .init_irq       = at91_init_irq_default,
 194         .init_machine   = ek_board_init,
 195 MACHINE_END