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 <asm/setup.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/irq.h>
  35
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38 #include <asm/mach/irq.h>
  39
  40 #include <mach/hardware.h>
  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         /* DBGU on ttyS0. (Rx & Tx only) */
  57         at91_register_uart(0, 0, 0);
  58
  59         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  60         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  61                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  62                            | ATMEL_UART_RI);
  63
  64         /* set serial console to ttyS0 (ie, DBGU) */
  65         at91_set_serial_console(0);
  66 }
  67
  68 static void __init dk_init_irq(void)
  69 {
  70         at91rm9200_init_interrupts(NULL);
  71 }
  72
  73 static struct at91_eth_data __initdata dk_eth_data = {
  74         .phy_irq_pin    = AT91_PIN_PC4,
  75         .is_rmii        = 1,
  76 };
  77
  78 static struct at91_usbh_data __initdata dk_usbh_data = {
  79         .ports          = 2,
  80 };
  81
  82 static struct at91_udc_data __initdata dk_udc_data = {
  83         .vbus_pin       = AT91_PIN_PD4,
  84         .pullup_pin     = AT91_PIN_PD5,
  85 };
  86
  87 static struct at91_cf_data __initdata dk_cf_data = {
  88         .det_pin        = AT91_PIN_PB0,
  89         .rst_pin        = AT91_PIN_PC5,
  90         // .irq_pin     = ... not connected
  91         // .vcc_pin     = ... always powered
  92 };
  93
  94 static struct at91_mmc_data __initdata dk_mmc_data = {
  95         .slot_b         = 0,
  96         .wire4          = 1,
  97 };
  98
  99 static struct spi_board_info dk_spi_devices[] = {
 100         {       /* DataFlash chip */
 101                 .modalias       = "mtd_dataflash",
 102                 .chip_select    = 0,
 103                 .max_speed_hz   = 15 * 1000 * 1000,
 104         },
 105         {       /* UR6HCPS2-SP40 PS2-to-SPI adapter */
 106                 .modalias       = "ur6hcps2",
 107                 .chip_select    = 1,
 108                 .max_speed_hz   = 250 *  1000,
 109         },
 110         {       /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
 111                 .modalias       = "tlv1504",
 112                 .chip_select    = 2,
 113                 .max_speed_hz   = 20 * 1000 * 1000,
 114         },
 115 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 116         {       /* DataFlash card */
 117                 .modalias       = "mtd_dataflash",
 118                 .chip_select    = 3,
 119                 .max_speed_hz   = 15 * 1000 * 1000,
 120         }
 121 #endif
 122 };
 123
 124 static struct i2c_board_info __initdata dk_i2c_devices[] = {
 125         {
 126                 I2C_BOARD_INFO("ics1523", 0x26),
 127         },
 128         {
 129                 I2C_BOARD_INFO("x9429", 0x28),
 130         },
 131         {
 132                 I2C_BOARD_INFO("24c1024", 0x50),
 133         }
 134 };
 135
 136 static struct mtd_partition __initdata dk_nand_partition[] = {
 137         {
 138                 .name   = "NAND Partition 1",
 139                 .offset = 0,
 140                 .size   = MTDPART_SIZ_FULL,
 141         },
 142 };
 143
 144 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 145 {
 146         *num_partitions = ARRAY_SIZE(dk_nand_partition);
 147         return dk_nand_partition;
 148 }
 149
 150 static struct atmel_nand_data __initdata dk_nand_data = {
 151         .ale            = 22,
 152         .cle            = 21,
 153         .det_pin        = AT91_PIN_PB1,
 154         .rdy_pin        = AT91_PIN_PC2,
 155         // .enable_pin  = ... not there
 156         .partition_info = nand_partitions,
 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         .phys_io        = AT91_BASE_SYS,
 229         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 230         .boot_params    = AT91_SDRAM_BASE + 0x100,
 231         .timer          = &at91rm9200_timer,
 232         .map_io         = dk_map_io,
 233         .init_irq       = dk_init_irq,
 234         .init_machine   = dk_board_init,
 235 MACHINE_END