target/linux/at91/files/arch/arm/mach-at91/board-netus-foxboard.c

   1 /*
   2  *  Copyright (C) 2005 SAN People
   3  *  Copyright (C) 2006 Atmel
   4  *  Copyright (C) 2009-2010 Claudio Mignanti <c.mignanti@gmail.com>
   5  *
   6  *  Strongly based on arch/arm/mach-at91/board-sam9260ek.c
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <linux/types.h>
  24 #include <linux/init.h>
  25 #include <linux/mm.h>
  26 #include <linux/module.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/spi/spi.h>
  29 #include <linux/gpio.h>
  30 #include <linux/gpio_keys.h>
  31 #include <linux/input.h>
  32 #include <linux/clk.h>
  33
  34 #include <mach/hardware.h>
  35 #include <asm/setup.h>
  36 #include <asm/mach-types.h>
  37 #include <asm/irq.h>
  38
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/irq.h>
  42
  43 #include <mach/board.h>
  44 #include <mach/at91sam9_smc.h>
  45
  46 #include "sam9_smc.h"
  47 #include "generic.h"
  48
  49
  50 static void __init ek_map_io(void)
  51 {
  52         /* Initialize processor: 18.432 MHz crystal */
  53         at91sam9260_initialize(18432000);
  54
  55         /* DGBU on ttyS0. (Rx & Tx only) */
  56         at91_register_uart(0, 0, 0);
  57
  58 #if defined(CONFIG_NETUS_SERIALS)
  59         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  60         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  61                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  62                            | ATMEL_UART_RI);
  63
  64         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
  65         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  66
  67         /* USART2 on ttyS3. (Rx, Tx) */
  68         at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
  69 #endif
  70
  71         /* set serial console to ttyS0 (ie, DBGU) */
  72         at91_set_serial_console(0);
  73 }
  74
  75 static void __init ek_init_irq(void)
  76 {
  77         at91sam9260_init_interrupts(NULL);
  78 }
  79
  80
  81 /*
  82  * USB Host port
  83  */
  84 static struct at91_usbh_data __initdata ek_usbh_data = {
  85         .ports          = 2,
  86 };
  87
  88 /*
  89  * USB Device port
  90  */
  91 static struct at91_udc_data __initdata ek_udc_data = {
  92         .vbus_pin       = AT91_PIN_PC6,
  93         .pullup_pin     = 0,            /* pull-up driven by UDC */
  94 };
  95
  96
  97 /*
  98  * SPI devices.
  99  */
 100 static struct spi_board_info ek_spi_devices[] = {
 101 #if defined(CONFIG_NETUS_USE_DATAFLASH)
 102         {       /* DataFlash chip */
 103                 .modalias       = "mtd_dataflash",
 104                 .chip_select    = 1,
 105                 .max_speed_hz   = 15 * 1000 * 1000,
 106                 .bus_num        = 0,
 107         },
 108 #endif
 109 };
 110
 111
 112 /*
 113  * MACB Ethernet device
 114  */
 115 static struct at91_eth_data __initdata ek_macb_data = {
 116         .phy_irq_pin    = AT91_PIN_PA29,
 117         .is_rmii        = 1,
 118 };
 119
 120
 121 /*
 122  * MCI (SD/MMC)
 123  * det_pin, wp_pin and vcc_pin are not connected
 124  */
 125 static struct at91_mmc_data __initdata ek_mmc_data = {
 126         .slot_b         = 1,
 127         .wire4          = 1,
 128 };
 129
 130 /*
 131  * LEDs
 132  */
 133 static struct gpio_led ek_leds[] = {
 134         {
 135                 .name                   = "led:red:user",
 136                 .gpio                   = AT91_PIN_PC7,
 137                 .active_low             = 0,
 138 #if defined(CONFIG_NETUS_HEARTBEAT_LED)
 139                 .default_trigger        = "heartbeat",
 140 #else
 141                 .default_trigger        = "none",
 142 #endif
 143         },
 144 };
 145
 146 /*
 147  * GPIO Buttons
 148  */
 149 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 150
 151 static struct gpio_keys_button ek_buttons[] = {
 152         {
 153                 .gpio           = AT91_PIN_PC4,
 154                 .code           = BTN_1,
 155                 .desc           = "Button 1",
 156                 .active_low     = 1,
 157                 .wakeup         = 1,
 158         },
 159 };
 160
 161 static struct gpio_keys_platform_data ek_button_data = {
 162         .buttons        = ek_buttons,
 163         .nbuttons       = ARRAY_SIZE(ek_buttons),
 164 };
 165
 166 static struct platform_device ek_button_device = {
 167         .name           = "gpio-keys",
 168         .id             = -1,
 169         .num_resources  = 0,
 170         .dev            = {
 171                 .platform_data  = &ek_button_data,
 172         }
 173 };
 174
 175 static void __init ek_add_device_buttons(void)
 176 {
 177         at91_set_gpio_input(AT91_PIN_PC4, 1);   /* btn1 */
 178         at91_set_deglitch(AT91_PIN_PC4, 1);
 179
 180         platform_device_register(&ek_button_device);
 181 }
 182 #else
 183 static void __init ek_add_device_buttons(void) {}
 184 #endif
 185
 186 static struct resource gpiodev_resource = {
 187                 .start                  = 0xFFFFFFFF,
 188 };
 189
 190 static void __init ek_board_init(void)
 191 {
 192         /* Serial */
 193         at91_add_device_serial();
 194         /* USB Host */
 195         at91_add_device_usbh(&ek_usbh_data);
 196         /* USB Device */
 197         at91_add_device_udc(&ek_udc_data);
 198         /* SPI */
 199         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 200         /* Ethernet */
 201         at91_add_device_eth(&ek_macb_data);
 202         /* MMC */
 203         at91_add_device_mmc(0, &ek_mmc_data);
 204         /* I2C */
 205         at91_add_device_i2c(NULL, 0);
 206         /* LEDs */
 207         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 208         /* Push Buttons */
 209         ek_add_device_buttons();
 210         /* Register GPIODEV */
 211         platform_device_register_simple("GPIODEV", 0, &gpiodev_resource, 1);
 212
 213 }
 214
 215 MACHINE_START(AT91SAM9G20EK, "Acmesystems Netus FoxBoardG20")
 216         /* Maintainer: Claudio Mignanti */
 217         .phys_io        = AT91_BASE_SYS,
 218         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 219         .boot_params    = AT91_SDRAM_BASE + 0x100,
 220         .timer          = &at91sam926x_timer,
 221         .map_io         = ek_map_io,
 222         .init_irq       = ek_init_irq,
 223         .init_machine   = ek_board_init,
 224 MACHINE_END
 225
 226