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/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 dk_init_early(void)
  51 {
  52         /* Initialize processor: 18.432 MHz crystal */
  53         at91_initialize(18432000);
  54 }
  55
  56 static struct macb_platform_data __initdata dk_eth_data = {
  57         .phy_irq_pin    = AT91_PIN_PC4,
  58         .is_rmii        = 1,
  59 };
  60
  61 static struct at91_usbh_data __initdata dk_usbh_data = {
  62         .ports          = 2,
  63         .vbus_pin       = {-EINVAL, -EINVAL},
  64         .overcurrent_pin= {-EINVAL, -EINVAL},
  65 };
  66
  67 static struct at91_udc_data __initdata dk_udc_data = {
  68         .vbus_pin       = AT91_PIN_PD4,
  69         .pullup_pin     = AT91_PIN_PD5,
  70 };
  71
  72 static struct at91_cf_data __initdata dk_cf_data = {
  73         .irq_pin        = -EINVAL,
  74         .det_pin        = AT91_PIN_PB0,
  75         .vcc_pin        = -EINVAL,
  76         .rst_pin        = AT91_PIN_PC5,
  77 };
  78
  79 #ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
  80 static struct mci_platform_data __initdata dk_mci0_data = {
  81         .slot[0] = {
  82                 .bus_width      = 4,
  83                 .detect_pin     = -EINVAL,
  84                 .wp_pin         = -EINVAL,
  85         },
  86 };
  87 #endif
  88
  89 static struct spi_board_info dk_spi_devices[] = {
  90         {       /* DataFlash chip */
  91                 .modalias       = "mtd_dataflash",
  92                 .chip_select    = 0,
  93                 .max_speed_hz   = 15 * 1000 * 1000,
  94         },
  95         {       /* UR6HCPS2-SP40 PS2-to-SPI adapter */
  96                 .modalias       = "ur6hcps2",
  97                 .chip_select    = 1,
  98                 .max_speed_hz   = 250 *  1000,
  99         },
 100         {       /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
 101                 .modalias       = "tlv1504",
 102                 .chip_select    = 2,
 103                 .max_speed_hz   = 20 * 1000 * 1000,
 104         },
 105 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 106         {       /* DataFlash card */
 107                 .modalias       = "mtd_dataflash",
 108                 .chip_select    = 3,
 109                 .max_speed_hz   = 15 * 1000 * 1000,
 110         }
 111 #endif
 112 };
 113
 114 static struct i2c_board_info __initdata dk_i2c_devices[] = {
 115         {
 116                 I2C_BOARD_INFO("ics1523", 0x26),
 117         },
 118         {
 119                 I2C_BOARD_INFO("x9429", 0x28),
 120         },
 121         {
 122                 I2C_BOARD_INFO("24c1024", 0x50),
 123         }
 124 };
 125
 126 static struct mtd_partition __initdata dk_nand_partition[] = {
 127         {
 128                 .name   = "NAND Partition 1",
 129                 .offset = 0,
 130                 .size   = MTDPART_SIZ_FULL,
 131         },
 132 };
 133
 134 static struct atmel_nand_data __initdata dk_nand_data = {
 135         .ale            = 22,
 136         .cle            = 21,
 137         .det_pin        = AT91_PIN_PB1,
 138         .rdy_pin        = AT91_PIN_PC2,
 139         .enable_pin     = -EINVAL,
 140         .ecc_mode       = NAND_ECC_SOFT,
 141         .on_flash_bbt   = 1,
 142         .parts          = dk_nand_partition,
 143         .num_parts      = ARRAY_SIZE(dk_nand_partition),
 144 };
 145
 146 #define DK_FLASH_BASE   AT91_CHIPSELECT_0
 147 #define DK_FLASH_SIZE   SZ_2M
 148
 149 static struct physmap_flash_data dk_flash_data = {
 150         .width          = 2,
 151 };
 152
 153 static struct resource dk_flash_resource = {
 154         .start          = DK_FLASH_BASE,
 155         .end            = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
 156         .flags          = IORESOURCE_MEM,
 157 };
 158
 159 static struct platform_device dk_flash = {
 160         .name           = "physmap-flash",
 161         .id             = 0,
 162         .dev            = {
 163                                 .platform_data  = &dk_flash_data,
 164                         },
 165         .resource       = &dk_flash_resource,
 166         .num_resources  = 1,
 167 };
 168
 169 static struct gpio_led dk_leds[] = {
 170         {
 171                 .name                   = "led0",
 172                 .gpio                   = AT91_PIN_PB2,
 173                 .active_low             = 1,
 174                 .default_trigger        = "heartbeat",
 175         }
 176 };
 177
 178 static void __init dk_board_init(void)
 179 {
 180         /* Serial */
 181         /* DBGU on ttyS0. (Rx & Tx only) */
 182         at91_register_uart(0, 0, 0);
 183
 184         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
 185         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
 186                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
 187                            | ATMEL_UART_RI);
 188         at91_add_device_serial();
 189         /* Ethernet */
 190         at91_add_device_eth(&dk_eth_data);
 191         /* USB Host */
 192         at91_add_device_usbh(&dk_usbh_data);
 193         /* USB Device */
 194         at91_add_device_udc(&dk_udc_data);
 195         at91_set_multi_drive(dk_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
 196         /* Compact Flash */
 197         at91_add_device_cf(&dk_cf_data);
 198         /* I2C */
 199         at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
 200         /* SPI */
 201         at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
 202 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 203         /* DataFlash card */
 204         at91_set_gpio_output(AT91_PIN_PB7, 0);
 205 #else
 206         /* MMC */
 207         at91_set_gpio_output(AT91_PIN_PB7, 1);  /* this MMC card slot can optionally use SPI signaling (CS3). */
 208         at91_add_device_mci(0, &dk_mci0_data);
 209 #endif
 210         /* NAND */
 211         at91_add_device_nand(&dk_nand_data);
 212         /* NOR Flash */
 213         platform_device_register(&dk_flash);
 214         /* LEDs */
 215         at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
 216         /* VGA */
 217 //      dk_add_device_video();
 218 }
 219
 220 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
 221         /* Maintainer: SAN People/Atmel */
 222         .init_time      = at91rm9200_timer_init,
 223         .map_io         = at91_map_io,
 224         .handle_irq     = at91_aic_handle_irq,
 225         .init_early     = dk_init_early,
 226         .init_irq       = at91_init_irq_default,
 227         .init_machine   = dk_board_init,
 228 MACHINE_END