arch/arm/mach-at91/board-rm9200dk.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-rm9200dk.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/board.h>
  43 #include <mach/at91rm9200_mc.h>
  44 #include <mach/at91_ramc.h>
  45
  46 #include "generic.h"
  47
  48
  49 static void __init dk_init_early(void)
  50 {
  51         /* Initialize processor: 18.432 MHz crystal */
  52         at91_initialize(18432000);
  53 }
  54
  55 static struct macb_platform_data __initdata dk_eth_data = {
  56         .phy_irq_pin    = AT91_PIN_PC4,
  57         .is_rmii        = 1,
  58 };
  59
  60 static struct at91_usbh_data __initdata dk_usbh_data = {
  61         .ports          = 2,
  62         .vbus_pin       = {-EINVAL, -EINVAL},
  63         .overcurrent_pin= {-EINVAL, -EINVAL},
  64 };
  65
  66 static struct at91_udc_data __initdata dk_udc_data = {
  67         .vbus_pin       = AT91_PIN_PD4,
  68         .pullup_pin     = AT91_PIN_PD5,
  69 };
  70
  71 static struct at91_cf_data __initdata dk_cf_data = {
  72         .irq_pin        = -EINVAL,
  73         .det_pin        = AT91_PIN_PB0,
  74         .vcc_pin        = -EINVAL,
  75         .rst_pin        = AT91_PIN_PC5,
  76 };
  77
  78 #ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
  79 static struct at91_mmc_data __initdata dk_mmc_data = {
  80         .slot_b         = 0,
  81         .wire4          = 1,
  82         .det_pin        = -EINVAL,
  83         .wp_pin         = -EINVAL,
  84         .vcc_pin        = -EINVAL,
  85 };
  86 #endif
  87
  88 static struct spi_board_info dk_spi_devices[] = {
  89         {       /* DataFlash chip */
  90                 .modalias       = "mtd_dataflash",
  91                 .chip_select    = 0,
  92                 .max_speed_hz   = 15 * 1000 * 1000,
  93         },
  94         {       /* UR6HCPS2-SP40 PS2-to-SPI adapter */
  95                 .modalias       = "ur6hcps2",
  96                 .chip_select    = 1,
  97                 .max_speed_hz   = 250 *  1000,
  98         },
  99         {       /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
 100                 .modalias       = "tlv1504",
 101                 .chip_select    = 2,
 102                 .max_speed_hz   = 20 * 1000 * 1000,
 103         },
 104 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 105         {       /* DataFlash card */
 106                 .modalias       = "mtd_dataflash",
 107                 .chip_select    = 3,
 108                 .max_speed_hz   = 15 * 1000 * 1000,
 109         }
 110 #endif
 111 };
 112
 113 static struct i2c_board_info __initdata dk_i2c_devices[] = {
 114         {
 115                 I2C_BOARD_INFO("ics1523", 0x26),
 116         },
 117         {
 118                 I2C_BOARD_INFO("x9429", 0x28),
 119         },
 120         {
 121                 I2C_BOARD_INFO("24c1024", 0x50),
 122         }
 123 };
 124
 125 static struct mtd_partition __initdata dk_nand_partition[] = {
 126         {
 127                 .name   = "NAND Partition 1",
 128                 .offset = 0,
 129                 .size   = MTDPART_SIZ_FULL,
 130         },
 131 };
 132
 133 static struct atmel_nand_data __initdata dk_nand_data = {
 134         .ale            = 22,
 135         .cle            = 21,
 136         .det_pin        = AT91_PIN_PB1,
 137         .rdy_pin        = AT91_PIN_PC2,
 138         .enable_pin     = -EINVAL,
 139         .ecc_mode       = NAND_ECC_SOFT,
 140         .on_flash_bbt   = 1,
 141         .parts          = dk_nand_partition,
 142         .num_parts      = ARRAY_SIZE(dk_nand_partition),
 143 };
 144
 145 #define DK_FLASH_BASE   AT91_CHIPSELECT_0
 146 #define DK_FLASH_SIZE   SZ_2M
 147
 148 static struct physmap_flash_data dk_flash_data = {
 149         .width          = 2,
 150 };
 151
 152 static struct resource dk_flash_resource = {
 153         .start          = DK_FLASH_BASE,
 154         .end            = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
 155         .flags          = IORESOURCE_MEM,
 156 };
 157
 158 static struct platform_device dk_flash = {
 159         .name           = "physmap-flash",
 160         .id             = 0,
 161         .dev            = {
 162                                 .platform_data  = &dk_flash_data,
 163                         },
 164         .resource       = &dk_flash_resource,
 165         .num_resources  = 1,
 166 };
 167
 168 static struct gpio_led dk_leds[] = {
 169         {
 170                 .name                   = "led0",
 171                 .gpio                   = AT91_PIN_PB2,
 172                 .active_low             = 1,
 173                 .default_trigger        = "heartbeat",
 174         }
 175 };
 176
 177 static void __init dk_board_init(void)
 178 {
 179         /* Setup the LEDs */
 180         at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
 181
 182         /* Serial */
 183         /* DBGU on ttyS0. (Rx & Tx only) */
 184         at91_register_uart(0, 0, 0);
 185
 186         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
 187         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
 188                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
 189                            | ATMEL_UART_RI);
 190         at91_add_device_serial();
 191         /* Ethernet */
 192         at91_add_device_eth(&dk_eth_data);
 193         /* USB Host */
 194         at91_add_device_usbh(&dk_usbh_data);
 195         /* USB Device */
 196         at91_add_device_udc(&dk_udc_data);
 197         at91_set_multi_drive(dk_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 198         /* Compact Flash */
 199         at91_add_device_cf(&dk_cf_data);
 200         /* I2C */
 201         at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
 202         /* SPI */
 203         at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
 204 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 205         /* DataFlash card */
 206         at91_set_gpio_output(AT91_PIN_PB7, 0);
 207 #else
 208         /* MMC */
 209         at91_set_gpio_output(AT91_PIN_PB7, 1);  /* this MMC card slot can optionally use SPI signaling (CS3). */
 210         at91_add_device_mmc(0, &dk_mmc_data);
 211 #endif
 212         /* NAND */
 213         at91_add_device_nand(&dk_nand_data);
 214         /* NOR Flash */
 215         platform_device_register(&dk_flash);
 216         /* LEDs */
 217         at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
 218         /* VGA */
 219 //      dk_add_device_video();
 220 }
 221
 222 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
 223         /* Maintainer: SAN People/Atmel */
 224         .timer          = &at91rm9200_timer,
 225         .map_io         = at91_map_io,
 226         .init_early     = dk_init_early,
 227         .init_irq       = at91_init_irq_default,
 228         .init_machine   = dk_board_init,
 229 MACHINE_END