arch/arm/mach-at91/board-qil-a9260.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-qil-a9260.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2006 Atmel
   6  *  Copyright (C) 2007 Calao-systems
   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_keys.h>
  30 #include <linux/input.h>
  31 #include <linux/clk.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/board.h>
  43 #include <mach/gpio.h>
  44 #include <mach/at91_shdwc.h>
  45
  46 #include "generic.h"
  47
  48
  49 static void __init ek_map_io(void)
  50 {
  51         /* Initialize processor: 12.000 MHz crystal */
  52         at91sam9260_initialize(12000000);
  53
  54         /* DGBU on ttyS0. (Rx & Tx only) */
  55         at91_register_uart(0, 0, 0);
  56
  57         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  58         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  59                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  60                            | ATMEL_UART_RI);
  61
  62         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
  63         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  64
  65         /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
  66         at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
  67
  68         /* set serial console to ttyS1 (ie, USART0) */
  69         at91_set_serial_console(1);
  70
  71 }
  72
  73 static void __init ek_init_irq(void)
  74 {
  75         at91sam9260_init_interrupts(NULL);
  76 }
  77
  78
  79 /*
  80  * USB Host port
  81  */
  82 static struct at91_usbh_data __initdata ek_usbh_data = {
  83         .ports          = 2,
  84 };
  85
  86 /*
  87  * USB Device port
  88  */
  89 static struct at91_udc_data __initdata ek_udc_data = {
  90         .vbus_pin       = AT91_PIN_PC5,
  91         .pullup_pin     = 0,            /* pull-up driven by UDC */
  92 };
  93
  94 /*
  95  * SPI devices.
  96  */
  97 static struct spi_board_info ek_spi_devices[] = {
  98 #if defined(CONFIG_RTC_DRV_M41T94)
  99         {       /* M41T94 RTC */
 100                 .modalias       = "m41t94",
 101                 .chip_select    = 0,
 102                 .max_speed_hz   = 1 * 1000 * 1000,
 103                 .bus_num        = 0,
 104         }
 105 #endif
 106 };
 107
 108 /*
 109  * MACB Ethernet device
 110  */
 111 static struct at91_eth_data __initdata ek_macb_data = {
 112         .phy_irq_pin    = AT91_PIN_PA31,
 113         .is_rmii        = 1,
 114 };
 115
 116 /*
 117  * NAND flash
 118  */
 119 static struct mtd_partition __initdata ek_nand_partition[] = {
 120         {
 121                 .name   = "Uboot & Kernel",
 122                 .offset = 0,
 123                 .size   = SZ_16M,
 124         },
 125         {
 126                 .name   = "Root FS",
 127                 .offset = MTDPART_OFS_NXTBLK,
 128                 .size   = 120 * SZ_1M,
 129         },
 130         {
 131                 .name   = "FS",
 132                 .offset = MTDPART_OFS_NXTBLK,
 133                 .size   = 120 * SZ_1M,
 134         },
 135 };
 136
 137 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 138 {
 139         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 140         return ek_nand_partition;
 141 }
 142
 143 static struct atmel_nand_data __initdata ek_nand_data = {
 144         .ale            = 21,
 145         .cle            = 22,
 146 //      .det_pin        = ... not connected
 147         .rdy_pin        = AT91_PIN_PC13,
 148         .enable_pin     = AT91_PIN_PC14,
 149         .partition_info = nand_partitions,
 150 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 151         .bus_width_16   = 1,
 152 #else
 153         .bus_width_16   = 0,
 154 #endif
 155 };
 156
 157 /*
 158  * MCI (SD/MMC)
 159  */
 160 static struct at91_mmc_data __initdata ek_mmc_data = {
 161         .slot_b         = 0,
 162         .wire4          = 1,
 163 //      .det_pin        = ... not connected
 164 //      .wp_pin         = ... not connected
 165 //      .vcc_pin        = ... not connected
 166 };
 167
 168 /*
 169  * GPIO Buttons
 170  */
 171 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 172 static struct gpio_keys_button ek_buttons[] = {
 173         {       /* USER PUSH BUTTON */
 174                 .code           = KEY_ENTER,
 175                 .gpio           = AT91_PIN_PB10,
 176                 .active_low     = 1,
 177                 .desc           = "user_pb",
 178                 .wakeup         = 1,
 179         }
 180 };
 181
 182 static struct gpio_keys_platform_data ek_button_data = {
 183         .buttons        = ek_buttons,
 184         .nbuttons       = ARRAY_SIZE(ek_buttons),
 185 };
 186
 187 static struct platform_device ek_button_device = {
 188         .name           = "gpio-keys",
 189         .id             = -1,
 190         .num_resources  = 0,
 191         .dev            = {
 192                 .platform_data  = &ek_button_data,
 193         }
 194 };
 195
 196 static void __init ek_add_device_buttons(void)
 197 {
 198         at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
 199         at91_set_deglitch(AT91_PIN_PB10, 1);
 200
 201         platform_device_register(&ek_button_device);
 202 }
 203 #else
 204 static void __init ek_add_device_buttons(void) {}
 205 #endif
 206
 207 /*
 208  * LEDs
 209  */
 210 static struct gpio_led ek_leds[] = {
 211         {       /* user_led (green) */
 212                 .name                   = "user_led",
 213                 .gpio                   = AT91_PIN_PB21,
 214                 .active_low             = 0,
 215                 .default_trigger        = "heartbeat",
 216         }
 217 };
 218
 219 static void __init ek_board_init(void)
 220 {
 221         /* Serial */
 222         at91_add_device_serial();
 223         /* USB Host */
 224         at91_add_device_usbh(&ek_usbh_data);
 225         /* USB Device */
 226         at91_add_device_udc(&ek_udc_data);
 227         /* SPI */
 228         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 229         /* NAND */
 230         at91_add_device_nand(&ek_nand_data);
 231         /* I2C */
 232         at91_add_device_i2c(NULL, 0);
 233         /* Ethernet */
 234         at91_add_device_eth(&ek_macb_data);
 235         /* MMC */
 236         at91_add_device_mmc(0, &ek_mmc_data);
 237         /* Push Buttons */
 238         ek_add_device_buttons();
 239         /* LEDs */
 240         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 241         /* shutdown controller, wakeup button (5 msec low) */
 242         at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
 243                                 | AT91_SHDW_RTTWKEN);
 244 }
 245
 246 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
 247         /* Maintainer: calao-systems */
 248         .phys_io        = AT91_BASE_SYS,
 249         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 250         .boot_params    = AT91_SDRAM_BASE + 0x100,
 251         .timer          = &at91sam926x_timer,
 252         .map_io         = ek_map_io,
 253         .init_irq       = ek_init_irq,
 254         .init_machine   = ek_board_init,
 255 MACHINE_END