arch/arm/mach-at91/board-sam9m10g45ek.c

   1 /*
   2  *  Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family
   3  *
   4  *  Covers: * AT91SAM9G45-EKES  board
   5  *          * AT91SAM9M10G45-EK board
   6  *
   7  *  Copyright (C) 2009 Atmel Corporation.
   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  */
  15
  16 #include <linux/types.h>
  17 #include <linux/init.h>
  18 #include <linux/mm.h>
  19 #include <linux/module.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/fb.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/input.h>
  25 #include <linux/leds.h>
  26 #include <linux/clk.h>
  27 #include <linux/atmel-mci.h>
  28
  29 #include <mach/hardware.h>
  30 #include <video/atmel_lcdc.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/board.h>
  41 #include <mach/gpio.h>
  42 #include <mach/at91sam9_smc.h>
  43 #include <mach/at91_shdwc.h>
  44 #include <mach/system_rev.h>
  45
  46 #include "sam9_smc.h"
  47 #include "generic.h"
  48
  49
  50 static void __init ek_init_early(void)
  51 {
  52         /* Initialize processor: 12.000 MHz crystal */
  53         at91_initialize(12000000);
  54
  55         /* DGBU on ttyS0. (Rx & Tx only) */
  56         at91_register_uart(0, 0, 0);
  57
  58         /* USART0 not connected on the -EK board */
  59         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
  60         at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  61
  62         /* set serial console to ttyS0 (ie, DBGU) */
  63         at91_set_serial_console(0);
  64 }
  65
  66 /*
  67  * USB HS Host port (common to OHCI & EHCI)
  68  */
  69 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  70         .ports          = 2,
  71         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  72 };
  73
  74
  75 /*
  76  * USB HS Device port
  77  */
  78 static struct usba_platform_data __initdata ek_usba_udc_data = {
  79         .vbus_pin       = AT91_PIN_PB19,
  80 };
  81
  82
  83 /*
  84  * SPI devices.
  85  */
  86 static struct spi_board_info ek_spi_devices[] = {
  87         {       /* DataFlash chip */
  88                 .modalias       = "mtd_dataflash",
  89                 .chip_select    = 0,
  90                 .max_speed_hz   = 15 * 1000 * 1000,
  91                 .bus_num        = 0,
  92         },
  93 };
  94
  95
  96 /*
  97  * MCI (SD/MMC)
  98  */
  99 static struct mci_platform_data __initdata mci0_data = {
 100         .slot[0] = {
 101                 .bus_width      = 4,
 102                 .detect_pin     = AT91_PIN_PD10,
 103         },
 104 };
 105
 106 static struct mci_platform_data __initdata mci1_data = {
 107         .slot[0] = {
 108                 .bus_width      = 4,
 109                 .detect_pin     = AT91_PIN_PD11,
 110                 .wp_pin         = AT91_PIN_PD29,
 111         },
 112 };
 113
 114
 115 /*
 116  * MACB Ethernet device
 117  */
 118 static struct at91_eth_data __initdata ek_macb_data = {
 119         .phy_irq_pin    = AT91_PIN_PD5,
 120         .is_rmii        = 1,
 121 };
 122
 123
 124 /*
 125  * NAND flash
 126  */
 127 static struct mtd_partition __initdata ek_nand_partition[] = {
 128         {
 129                 .name   = "Partition 1",
 130                 .offset = 0,
 131                 .size   = SZ_64M,
 132         },
 133         {
 134                 .name   = "Partition 2",
 135                 .offset = MTDPART_OFS_NXTBLK,
 136                 .size   = MTDPART_SIZ_FULL,
 137         },
 138 };
 139
 140 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 141 {
 142         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 143         return ek_nand_partition;
 144 }
 145
 146 /* det_pin is not connected */
 147 static struct atmel_nand_data __initdata ek_nand_data = {
 148         .ale            = 21,
 149         .cle            = 22,
 150         .rdy_pin        = AT91_PIN_PC8,
 151         .enable_pin     = AT91_PIN_PC14,
 152         .partition_info = nand_partitions,
 153 };
 154
 155 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 156         .ncs_read_setup         = 0,
 157         .nrd_setup              = 2,
 158         .ncs_write_setup        = 0,
 159         .nwe_setup              = 2,
 160
 161         .ncs_read_pulse         = 4,
 162         .nrd_pulse              = 4,
 163         .ncs_write_pulse        = 4,
 164         .nwe_pulse              = 4,
 165
 166         .read_cycle             = 7,
 167         .write_cycle            = 7,
 168
 169         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 170         .tdf_cycles             = 3,
 171 };
 172
 173 static void __init ek_add_device_nand(void)
 174 {
 175         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 176         /* setup bus-width (8 or 16) */
 177         if (ek_nand_data.bus_width_16)
 178                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 179         else
 180                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 181
 182         /* configure chip-select 3 (NAND) */
 183         sam9_smc_configure(3, &ek_nand_smc_config);
 184
 185         at91_add_device_nand(&ek_nand_data);
 186 }
 187
 188
 189 /*
 190  * LCD Controller
 191  */
 192 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 193 static struct fb_videomode at91_tft_vga_modes[] = {
 194         {
 195                 .name           = "LG",
 196                 .refresh        = 60,
 197                 .xres           = 480,          .yres           = 272,
 198                 .pixclock       = KHZ2PICOS(9000),
 199
 200                 .left_margin    = 1,            .right_margin   = 1,
 201                 .upper_margin   = 40,           .lower_margin   = 1,
 202                 .hsync_len      = 45,           .vsync_len      = 1,
 203
 204                 .sync           = 0,
 205                 .vmode          = FB_VMODE_NONINTERLACED,
 206         },
 207 };
 208
 209 static struct fb_monspecs at91fb_default_monspecs = {
 210         .manufacturer   = "LG",
 211         .monitor        = "LB043WQ1",
 212
 213         .modedb         = at91_tft_vga_modes,
 214         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 215         .hfmin          = 15000,
 216         .hfmax          = 17640,
 217         .vfmin          = 57,
 218         .vfmax          = 67,
 219 };
 220
 221 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 222                                         | ATMEL_LCDC_DISTYPE_TFT \
 223                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 224
 225 /* Driver datas */
 226 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 227         .lcdcon_is_backlight            = true,
 228         .default_bpp                    = 32,
 229         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 230         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 231         .default_monspecs               = &at91fb_default_monspecs,
 232         .guard_time                     = 9,
 233         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 234 };
 235
 236 #else
 237 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 238 #endif
 239
 240
 241 /*
 242  * Touchscreen
 243  */
 244 static struct at91_tsadcc_data ek_tsadcc_data = {
 245         .adc_clock              = 300000,
 246         .pendet_debounce        = 0x0d,
 247         .ts_sample_hold_time    = 0x0a,
 248 };
 249
 250
 251 /*
 252  * GPIO Buttons
 253  */
 254 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 255 static struct gpio_keys_button ek_buttons[] = {
 256         {       /* BP1, "leftclic" */
 257                 .code           = BTN_LEFT,
 258                 .gpio           = AT91_PIN_PB6,
 259                 .active_low     = 1,
 260                 .desc           = "left_click",
 261                 .wakeup         = 1,
 262         },
 263         {       /* BP2, "rightclic" */
 264                 .code           = BTN_RIGHT,
 265                 .gpio           = AT91_PIN_PB7,
 266                 .active_low     = 1,
 267                 .desc           = "right_click",
 268                 .wakeup         = 1,
 269         },
 270                 /* BP3, "joystick" */
 271         {
 272                 .code           = KEY_LEFT,
 273                 .gpio           = AT91_PIN_PB14,
 274                 .active_low     = 1,
 275                 .desc           = "Joystick Left",
 276         },
 277         {
 278                 .code           = KEY_RIGHT,
 279                 .gpio           = AT91_PIN_PB15,
 280                 .active_low     = 1,
 281                 .desc           = "Joystick Right",
 282         },
 283         {
 284                 .code           = KEY_UP,
 285                 .gpio           = AT91_PIN_PB16,
 286                 .active_low     = 1,
 287                 .desc           = "Joystick Up",
 288         },
 289         {
 290                 .code           = KEY_DOWN,
 291                 .gpio           = AT91_PIN_PB17,
 292                 .active_low     = 1,
 293                 .desc           = "Joystick Down",
 294         },
 295         {
 296                 .code           = KEY_ENTER,
 297                 .gpio           = AT91_PIN_PB18,
 298                 .active_low     = 1,
 299                 .desc           = "Joystick Press",
 300         },
 301 };
 302
 303 static struct gpio_keys_platform_data ek_button_data = {
 304         .buttons        = ek_buttons,
 305         .nbuttons       = ARRAY_SIZE(ek_buttons),
 306 };
 307
 308 static struct platform_device ek_button_device = {
 309         .name           = "gpio-keys",
 310         .id             = -1,
 311         .num_resources  = 0,
 312         .dev            = {
 313                 .platform_data  = &ek_button_data,
 314         }
 315 };
 316
 317 static void __init ek_add_device_buttons(void)
 318 {
 319         int i;
 320
 321         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 322                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 323                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 324         }
 325
 326         platform_device_register(&ek_button_device);
 327 }
 328 #else
 329 static void __init ek_add_device_buttons(void) {}
 330 #endif
 331
 332
 333 /*
 334  * AC97
 335  * reset_pin is not connected: NRST
 336  */
 337 static struct ac97c_platform_data ek_ac97_data = {
 338 };
 339
 340
 341 /*
 342  * LEDs ... these could all be PWM-driven, for variable brightness
 343  */
 344 static struct gpio_led ek_leds[] = {
 345         {       /* "top" led, red, powerled */
 346                 .name                   = "d8",
 347                 .gpio                   = AT91_PIN_PD30,
 348                 .default_trigger        = "heartbeat",
 349         },
 350         {       /* "left" led, green, userled2, pwm3 */
 351                 .name                   = "d6",
 352                 .gpio                   = AT91_PIN_PD0,
 353                 .active_low             = 1,
 354                 .default_trigger        = "nand-disk",
 355         },
 356 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 357         {       /* "right" led, green, userled1, pwm1 */
 358                 .name                   = "d7",
 359                 .gpio                   = AT91_PIN_PD31,
 360                 .active_low             = 1,
 361                 .default_trigger        = "mmc0",
 362         },
 363 #endif
 364 };
 365
 366
 367 /*
 368  * PWM Leds
 369  */
 370 static struct gpio_led ek_pwm_led[] = {
 371 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 372         {       /* "right" led, green, userled1, pwm1 */
 373                 .name                   = "d7",
 374                 .gpio                   = 1,    /* is PWM channel number */
 375                 .active_low             = 1,
 376                 .default_trigger        = "none",
 377         },
 378 #endif
 379 };
 380
 381
 382
 383 static void __init ek_board_init(void)
 384 {
 385         /* Serial */
 386         at91_add_device_serial();
 387         /* USB HS Host */
 388         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 389         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 390         /* USB HS Device */
 391         at91_add_device_usba(&ek_usba_udc_data);
 392         /* SPI */
 393         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 394         /* MMC */
 395         at91_add_device_mci(0, &mci0_data);
 396         at91_add_device_mci(1, &mci1_data);
 397         /* Ethernet */
 398         at91_add_device_eth(&ek_macb_data);
 399         /* NAND */
 400         ek_add_device_nand();
 401         /* I2C */
 402         at91_add_device_i2c(0, NULL, 0);
 403         /* LCD Controller */
 404         at91_add_device_lcdc(&ek_lcdc_data);
 405         /* Touch Screen */
 406         at91_add_device_tsadcc(&ek_tsadcc_data);
 407         /* Push Buttons */
 408         ek_add_device_buttons();
 409         /* AC97 */
 410         at91_add_device_ac97(&ek_ac97_data);
 411         /* LEDs */
 412         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 413         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 414 }
 415
 416 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 417         /* Maintainer: Atmel */
 418         .timer          = &at91sam926x_timer,
 419         .map_io         = at91_map_io,
 420         .init_early     = ek_init_early,
 421         .init_irq       = at91_init_irq_default,
 422         .init_machine   = ek_board_init,
 423 MACHINE_END