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         /* Setup the LEDs */
  55         at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
  56
  57         /* DBGU on ttyS0. (Rx & Tx only) */
  58         at91_register_uart(0, 0, 0);
  59
  60         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  61         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  62                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  63                            | ATMEL_UART_RI);
  64
  65         /* set serial console to ttyS0 (ie, DBGU) */
  66         at91_set_serial_console(0);
  67 }
  68
  69 static struct macb_platform_data __initdata dk_eth_data = {
  70         .phy_irq_pin    = AT91_PIN_PC4,
  71         .is_rmii        = 1,
  72 };
  73
  74 static struct at91_usbh_data __initdata dk_usbh_data = {
  75         .ports          = 2,
  76         .vbus_pin       = {-EINVAL, -EINVAL},
  77         .overcurrent_pin= {-EINVAL, -EINVAL},
  78 };
  79
  80 static struct at91_udc_data __initdata dk_udc_data = {
  81         .vbus_pin       = AT91_PIN_PD4,
  82         .pullup_pin     = AT91_PIN_PD5,
  83 };
  84
  85 static struct at91_cf_data __initdata dk_cf_data = {
  86         .irq_pin        = -EINVAL,
  87         .det_pin        = AT91_PIN_PB0,
  88         .vcc_pin        = -EINVAL,
  89         .rst_pin        = AT91_PIN_PC5,
  90 };
  91
  92 #ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
  93 static struct at91_mmc_data __initdata dk_mmc_data = {
  94         .slot_b         = 0,
  95         .wire4          = 1,
  96         .det_pin        = -EINVAL,
  97         .wp_pin         = -EINVAL,
  98         .vcc_pin        = -EINVAL,
  99 };
 100 #endif
 101
 102 static struct spi_board_info dk_spi_devices[] = {
 103         {       /* DataFlash chip */
 104                 .modalias       = "mtd_dataflash",
 105                 .chip_select    = 0,
 106                 .max_speed_hz   = 15 * 1000 * 1000,
 107         },
 108         {       /* UR6HCPS2-SP40 PS2-to-SPI adapter */
 109                 .modalias       = "ur6hcps2",
 110                 .chip_select    = 1,
 111                 .max_speed_hz   = 250 *  1000,
 112         },
 113         {       /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
 114                 .modalias       = "tlv1504",
 115                 .chip_select    = 2,
 116                 .max_speed_hz   = 20 * 1000 * 1000,
 117         },
 118 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 119         {       /* DataFlash card */
 120                 .modalias       = "mtd_dataflash",
 121                 .chip_select    = 3,
 122                 .max_speed_hz   = 15 * 1000 * 1000,
 123         }
 124 #endif
 125 };
 126
 127 static struct i2c_board_info __initdata dk_i2c_devices[] = {
 128         {
 129                 I2C_BOARD_INFO("ics1523", 0x26),
 130         },
 131         {
 132                 I2C_BOARD_INFO("x9429", 0x28),
 133         },
 134         {
 135                 I2C_BOARD_INFO("24c1024", 0x50),
 136         }
 137 };
 138
 139 static struct mtd_partition __initdata dk_nand_partition[] = {
 140         {
 141                 .name   = "NAND Partition 1",
 142                 .offset = 0,
 143                 .size   = MTDPART_SIZ_FULL,
 144         },
 145 };
 146
 147 static struct atmel_nand_data __initdata dk_nand_data = {
 148         .ale            = 22,
 149         .cle            = 21,
 150         .det_pin        = AT91_PIN_PB1,
 151         .rdy_pin        = AT91_PIN_PC2,
 152         .enable_pin     = -EINVAL,
 153         .ecc_mode       = NAND_ECC_SOFT,
 154         .on_flash_bbt   = 1,
 155         .parts          = dk_nand_partition,
 156         .num_parts      = ARRAY_SIZE(dk_nand_partition),
 157 };
 158
 159 #define DK_FLASH_BASE   AT91_CHIPSELECT_0
 160 #define DK_FLASH_SIZE   SZ_2M
 161
 162 static struct physmap_flash_data dk_flash_data = {
 163         .width          = 2,
 164 };
 165
 166 static struct resource dk_flash_resource = {
 167         .start          = DK_FLASH_BASE,
 168         .end            = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
 169         .flags          = IORESOURCE_MEM,
 170 };
 171
 172 static struct platform_device dk_flash = {
 173         .name           = "physmap-flash",
 174         .id             = 0,
 175         .dev            = {
 176                                 .platform_data  = &dk_flash_data,
 177                         },
 178         .resource       = &dk_flash_resource,
 179         .num_resources  = 1,
 180 };
 181
 182 static struct gpio_led dk_leds[] = {
 183         {
 184                 .name                   = "led0",
 185                 .gpio                   = AT91_PIN_PB2,
 186                 .active_low             = 1,
 187                 .default_trigger        = "heartbeat",
 188         }
 189 };
 190
 191 static void __init dk_board_init(void)
 192 {
 193         /* Serial */
 194         at91_add_device_serial();
 195         /* Ethernet */
 196         at91_add_device_eth(&dk_eth_data);
 197         /* USB Host */
 198         at91_add_device_usbh(&dk_usbh_data);
 199         /* USB Device */
 200         at91_add_device_udc(&dk_udc_data);
 201         at91_set_multi_drive(dk_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 202         /* Compact Flash */
 203         at91_add_device_cf(&dk_cf_data);
 204         /* I2C */
 205         at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
 206         /* SPI */
 207         at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
 208 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 209         /* DataFlash card */
 210         at91_set_gpio_output(AT91_PIN_PB7, 0);
 211 #else
 212         /* MMC */
 213         at91_set_gpio_output(AT91_PIN_PB7, 1);  /* this MMC card slot can optionally use SPI signaling (CS3). */
 214         at91_add_device_mmc(0, &dk_mmc_data);
 215 #endif
 216         /* NAND */
 217         at91_add_device_nand(&dk_nand_data);
 218         /* NOR Flash */
 219         platform_device_register(&dk_flash);
 220         /* LEDs */
 221         at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
 222         /* VGA */
 223 //      dk_add_device_video();
 224 }
 225
 226 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
 227         /* Maintainer: SAN People/Atmel */
 228         .timer          = &at91rm9200_timer,
 229         .map_io         = at91_map_io,
 230         .init_early     = dk_init_early,
 231         .init_irq       = at91_init_irq_default,
 232         .init_machine   = dk_board_init,
 233 MACHINE_END