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) || defined(CONFIG_NETUS_FOXGM)
  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 #endif
  67
  68 #if defined(CONFIG_NETUS_SERIALS)
  69         /* USART2 on ttyS3. (Rx, Tx) */
  70         at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
  71 #endif
  72
  73         /* set serial console to ttyS0 (ie, DBGU) */
  74         at91_set_serial_console(0);
  75 }
  76
  77 static void __init ek_init_irq(void)
  78 {
  79         at91sam9260_init_interrupts(NULL);
  80 }
  81
  82
  83 /*
  84  * USB Host port
  85  */
  86 static struct at91_usbh_data __initdata ek_usbh_data = {
  87         .ports          = 2,
  88 };
  89
  90 /*
  91  * USB Device port
  92  */
  93 static struct at91_udc_data __initdata ek_udc_data = {
  94         .vbus_pin       = AT91_PIN_PC6,
  95         .pullup_pin     = 0,            /* pull-up driven by UDC */
  96 };
  97
  98
  99 /*
 100  * SPI devices.
 101  */
 102 static struct spi_board_info ek_spi_devices[] = {
 103 #if defined(CONFIG_NETUS_USE_DATAFLASH)
 104         {       /* DataFlash chip */
 105                 .modalias       = "mtd_dataflash",
 106                 .chip_select    = 1,
 107                 .max_speed_hz   = 15 * 1000 * 1000,
 108                 .bus_num        = 0,
 109         },
 110 #endif
 111 };
 112
 113
 114 /*
 115  * MACB Ethernet device
 116  */
 117 static struct at91_eth_data __initdata ek_macb_data = {
 118         .phy_irq_pin    = AT91_PIN_PA29,
 119         .is_rmii        = 1,
 120 };
 121
 122
 123 /*
 124  * MCI (SD/MMC)
 125  * det_pin, wp_pin and vcc_pin are not connected
 126  */
 127 static struct at91_mmc_data __initdata ek_mmc_data = {
 128         .slot_b         = 1,
 129         .wire4          = 1,
 130 };
 131
 132 /*
 133  * LEDs
 134  */
 135 static struct gpio_led ek_leds[] = {
 136 #if defined(CONFIG_NETUS_FOXGM)
 137         {
 138                 .name                   = "led:red:L4",
 139                 .gpio                   = AT91_PIN_PC9,
 140                 .active_low             = 0,
 141                 .default_trigger        = "heartbeat",
 142         },
 143         {
 144                 .name                   = "led:red:L5",
 145                 .gpio                   = AT91_PIN_PC13,
 146                 .active_low             = 0,
 147                 .default_trigger        = "none",
 148         },
 149 #endif          //CONFIG_NETUS_FOXGM
 150         {
 151                 .name                   = "led:red:user",
 152                 .gpio                   = AT91_PIN_PC7,
 153                 .active_low             = 0,
 154 #if defined(CONFIG_NETUS_HEARTBEAT_LED)
 155                 .default_trigger        = "heartbeat",
 156 #else
 157                 .default_trigger        = "none",
 158 #endif          //CONFIG_NETUS_HEARTBEAT_LED
 159         },
 160 };
 161
 162 /*
 163  * GPIO Buttons
 164  */
 165 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 166
 167 static struct gpio_keys_button ek_buttons[] = {
 168         {
 169                 .gpio           = AT91_PIN_PC4,
 170                 .code           = BTN_1,
 171                 .desc           = "Button 1",
 172                 .active_low     = 1,
 173                 .wakeup         = 1,
 174         },
 175 };
 176
 177 static struct gpio_keys_platform_data ek_button_data = {
 178         .buttons        = ek_buttons,
 179         .nbuttons       = ARRAY_SIZE(ek_buttons),
 180 };
 181
 182 static struct platform_device ek_button_device = {
 183         .name           = "gpio-keys",
 184         .id             = -1,
 185         .num_resources  = 0,
 186         .dev            = {
 187                 .platform_data  = &ek_button_data,
 188         }
 189 };
 190
 191 static void __init ek_add_device_buttons(void)
 192 {
 193         at91_set_gpio_input(AT91_PIN_PC4, 1);   /* btn1 */
 194         at91_set_deglitch(AT91_PIN_PC4, 1);
 195
 196         platform_device_register(&ek_button_device);
 197 }
 198 #else
 199 static void __init ek_add_device_buttons(void) {}
 200 #endif
 201
 202 static struct resource gpiodev_resource = {
 203                 .start                  = 0xFFFFFFFF,
 204 };
 205
 206 static void __init ek_board_init(void)
 207 {
 208         /* Serial */
 209         at91_add_device_serial();
 210         /* USB Host */
 211         at91_add_device_usbh(&ek_usbh_data);
 212         /* USB Device */
 213         at91_add_device_udc(&ek_udc_data);
 214         /* SPI */
 215         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 216         /* Ethernet */
 217         at91_add_device_eth(&ek_macb_data);
 218         /* MMC */
 219         at91_add_device_mmc(0, &ek_mmc_data);
 220         /* I2C */
 221         at91_add_device_i2c(NULL, 0);
 222         /* LEDs */
 223         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 224         /* Push Buttons */
 225         ek_add_device_buttons();
 226         /* Register GPIODEV */
 227         platform_device_register_simple("GPIODEV", 0, &gpiodev_resource, 1);
 228
 229 }
 230
 231 MACHINE_START(AT91SAM9G20EK, "Acmesystems Netus FoxBoardG20")
 232         /* Maintainer: Claudio Mignanti */
 233         .phys_io        = AT91_BASE_SYS,
 234         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 235         .boot_params    = AT91_SDRAM_BASE + 0x100,
 236         .timer          = &at91sam926x_timer,
 237         .map_io         = ek_map_io,
 238         .init_irq       = ek_init_irq,
 239         .init_machine   = ek_board_init,
 240 MACHINE_END
 241
 242