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