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

   1 /*
   2  * linux/arch/arm/mach-at91/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 #include <linux/mtd/physmap.h>
  31
  32 #include <mach/hardware.h>
  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/board.h>
  42 #include <mach/gpio.h>
  43 #include <mach/at91rm9200_mc.h>
  44
  45 #include "generic.h"
  46
  47
  48 static void __init dk_map_io(void)
  49 {
  50         /* Initialize processor: 18.432 MHz crystal */
  51         at91rm9200_initialize(18432000, AT91RM9200_BGA);
  52
  53         /* Setup the LEDs */
  54         at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
  55
  56         /* Setup the serial ports and console */
  57         at91_init_uarts();
  58 }
  59
  60 static void __init dk_init_irq(void)
  61 {
  62         at91rm9200_init_interrupts(NULL);
  63 }
  64
  65 static struct at91_eth_data __initdata dk_eth_data = {
  66         .phy_irq_pin    = AT91_PIN_PC4,
  67         .is_rmii        = 1,
  68 };
  69
  70 static struct at91_usbh_data __initdata dk_usbh_data = {
  71         .ports          = 2,
  72 };
  73
  74 static struct at91_udc_data __initdata dk_udc_data = {
  75         .vbus_pin       = AT91_PIN_PD4,
  76         .pullup_pin     = AT91_PIN_PD5,
  77 };
  78
  79 static struct at91_cf_data __initdata dk_cf_data = {
  80         .det_pin        = AT91_PIN_PB0,
  81         .rst_pin        = AT91_PIN_PC5,
  82         // .irq_pin     = ... not connected
  83         // .vcc_pin     = ... always powered
  84 };
  85
  86 static struct at91_mmc_data __initdata dk_mmc_data = {
  87         .slot_b         = 0,
  88         .wire4          = 1,
  89 };
  90
  91 static struct spi_board_info dk_spi_devices[] = {
  92         {       /* DataFlash chip */
  93                 .modalias       = "mtd_dataflash",
  94                 .chip_select    = 0,
  95                 .max_speed_hz   = 15 * 1000 * 1000,
  96         },
  97         {       /* UR6HCPS2-SP40 PS2-to-SPI adapter */
  98                 .modalias       = "ur6hcps2",
  99                 .chip_select    = 1,
 100                 .max_speed_hz   = 250 *  1000,
 101         },
 102         {       /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
 103                 .modalias       = "tlv1504",
 104                 .chip_select    = 2,
 105                 .max_speed_hz   = 20 * 1000 * 1000,
 106         },
 107 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 108         {       /* DataFlash card */
 109                 .modalias       = "mtd_dataflash",
 110                 .chip_select    = 3,
 111                 .max_speed_hz   = 15 * 1000 * 1000,
 112         }
 113 #endif
 114 };
 115
 116 static struct i2c_board_info __initdata dk_i2c_devices[] = {
 117         {
 118                 I2C_BOARD_INFO("ics1523", 0x26),
 119         },
 120         {
 121                 I2C_BOARD_INFO("x9429", 0x28),
 122         },
 123         {
 124                 I2C_BOARD_INFO("24c1024", 0x50),
 125         }
 126 };
 127
 128 static struct mtd_partition __initdata dk_nand_partition[] = {
 129         {
 130                 .name   = "NAND Partition 1",
 131                 .offset = 0,
 132                 .size   = MTDPART_SIZ_FULL,
 133         },
 134 };
 135
 136 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 137 {
 138         *num_partitions = ARRAY_SIZE(dk_nand_partition);
 139         return dk_nand_partition;
 140 }
 141
 142 static struct atmel_nand_data __initdata dk_nand_data = {
 143         .ale            = 22,
 144         .cle            = 21,
 145         .det_pin        = AT91_PIN_PB1,
 146         .rdy_pin        = AT91_PIN_PC2,
 147         // .enable_pin  = ... not there
 148         .partition_info = nand_partitions,
 149 };
 150
 151 #define DK_FLASH_BASE   AT91_CHIPSELECT_0
 152 #define DK_FLASH_SIZE   0x200000
 153
 154 static struct physmap_flash_data dk_flash_data = {
 155         .width          = 2,
 156 };
 157
 158 static struct resource dk_flash_resource = {
 159         .start          = DK_FLASH_BASE,
 160         .end            = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
 161         .flags          = IORESOURCE_MEM,
 162 };
 163
 164 static struct platform_device dk_flash = {
 165         .name           = "physmap-flash",
 166         .id             = 0,
 167         .dev            = {
 168                                 .platform_data  = &dk_flash_data,
 169                         },
 170         .resource       = &dk_flash_resource,
 171         .num_resources  = 1,
 172 };
 173
 174 static struct gpio_led dk_leds[] = {
 175         {
 176                 .name                   = "led0",
 177                 .gpio                   = AT91_PIN_PB2,
 178                 .active_low             = 1,
 179                 .default_trigger        = "heartbeat",
 180         }
 181 };
 182
 183 static void __init dk_board_init(void)
 184 {
 185         /* Serial */
 186         at91_add_device_serial();
 187         /* Ethernet */
 188         at91_add_device_eth(&dk_eth_data);
 189         /* USB Host */
 190         at91_add_device_usbh(&dk_usbh_data);
 191         /* USB Device */
 192         at91_add_device_udc(&dk_udc_data);
 193         at91_set_multi_drive(dk_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 194         /* Compact Flash */
 195         at91_add_device_cf(&dk_cf_data);
 196         /* I2C */
 197         at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
 198         /* SPI */
 199         at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
 200 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 201         /* DataFlash card */
 202         at91_set_gpio_output(AT91_PIN_PB7, 0);
 203 #else
 204         /* MMC */
 205         at91_set_gpio_output(AT91_PIN_PB7, 1);  /* this MMC card slot can optionally use SPI signaling (CS3). */
 206         at91_add_device_mmc(0, &dk_mmc_data);
 207 #endif
 208         /* NAND */
 209         at91_add_device_nand(&dk_nand_data);
 210         /* NOR Flash */
 211         platform_device_register(&dk_flash);
 212         /* LEDs */
 213         at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
 214         /* VGA */
 215 //      dk_add_device_video();
 216 }
 217
 218 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
 219         /* Maintainer: SAN People/Atmel */
 220         .phys_io        = AT91_BASE_SYS,
 221         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 222         .boot_params    = AT91_SDRAM_BASE + 0x100,
 223         .timer          = &at91rm9200_timer,
 224         .map_io         = dk_map_io,
 225         .init_irq       = dk_init_irq,
 226         .init_machine   = dk_board_init,
 227 MACHINE_END