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/hardware.h>
  41 #include <mach/board.h>
  42 #include <mach/gpio.h>
  43 #include <mach/at91sam9_smc.h>
  44 #include <mach/at91_shdwc.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: 12.000 MHz crystal */
  53         at91sam9g45_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 static void __init ek_init_irq(void)
  67 {
  68         at91sam9g45_init_interrupts(NULL);
  69 }
  70
  71
  72 /*
  73  * USB HS Host port (common to OHCI & EHCI)
  74  */
  75 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  76         .ports          = 2,
  77         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  78 };
  79
  80
  81 /*
  82  * USB HS Device port
  83  */
  84 static struct usba_platform_data __initdata ek_usba_udc_data = {
  85         .vbus_pin       = AT91_PIN_PB19,
  86 };
  87
  88
  89 /*
  90  * SPI devices.
  91  */
  92 static struct spi_board_info ek_spi_devices[] = {
  93         {       /* DataFlash chip */
  94                 .modalias       = "mtd_dataflash",
  95                 .chip_select    = 0,
  96                 .max_speed_hz   = 15 * 1000 * 1000,
  97                 .bus_num        = 0,
  98         },
  99 };
 100
 101
 102 /*
 103  * MCI (SD/MMC)
 104  */
 105 static struct mci_platform_data __initdata mci0_data = {
 106         .slot[0] = {
 107                 .bus_width      = 4,
 108                 .detect_pin     = AT91_PIN_PD10,
 109         },
 110 };
 111
 112 static struct mci_platform_data __initdata mci1_data = {
 113         .slot[0] = {
 114                 .bus_width      = 4,
 115                 .detect_pin     = AT91_PIN_PD11,
 116                 .wp_pin         = AT91_PIN_PD29,
 117         },
 118 };
 119
 120
 121 /*
 122  * MACB Ethernet device
 123  */
 124 static struct at91_eth_data __initdata ek_macb_data = {
 125         .phy_irq_pin    = AT91_PIN_PD5,
 126         .is_rmii        = 1,
 127 };
 128
 129
 130 /*
 131  * NAND flash
 132  */
 133 static struct mtd_partition __initdata ek_nand_partition[] = {
 134         {
 135                 .name   = "Partition 1",
 136                 .offset = 0,
 137                 .size   = SZ_64M,
 138         },
 139         {
 140                 .name   = "Partition 2",
 141                 .offset = MTDPART_OFS_NXTBLK,
 142                 .size   = MTDPART_SIZ_FULL,
 143         },
 144 };
 145
 146 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 147 {
 148         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 149         return ek_nand_partition;
 150 }
 151
 152 /* det_pin is not connected */
 153 static struct atmel_nand_data __initdata ek_nand_data = {
 154         .ale            = 21,
 155         .cle            = 22,
 156         .rdy_pin        = AT91_PIN_PC8,
 157         .enable_pin     = AT91_PIN_PC14,
 158         .partition_info = nand_partitions,
 159 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 160         .bus_width_16   = 1,
 161 #else
 162         .bus_width_16   = 0,
 163 #endif
 164 };
 165
 166 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 167         .ncs_read_setup         = 0,
 168         .nrd_setup              = 2,
 169         .ncs_write_setup        = 0,
 170         .nwe_setup              = 2,
 171
 172         .ncs_read_pulse         = 4,
 173         .nrd_pulse              = 4,
 174         .ncs_write_pulse        = 4,
 175         .nwe_pulse              = 4,
 176
 177         .read_cycle             = 7,
 178         .write_cycle            = 7,
 179
 180         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 181         .tdf_cycles             = 3,
 182 };
 183
 184 static void __init ek_add_device_nand(void)
 185 {
 186         /* setup bus-width (8 or 16) */
 187         if (ek_nand_data.bus_width_16)
 188                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 189         else
 190                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 191
 192         /* configure chip-select 3 (NAND) */
 193         sam9_smc_configure(3, &ek_nand_smc_config);
 194
 195         at91_add_device_nand(&ek_nand_data);
 196 }
 197
 198
 199 /*
 200  * LCD Controller
 201  */
 202 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 203 static struct fb_videomode at91_tft_vga_modes[] = {
 204         {
 205                 .name           = "LG",
 206                 .refresh        = 60,
 207                 .xres           = 480,          .yres           = 272,
 208                 .pixclock       = KHZ2PICOS(9000),
 209
 210                 .left_margin    = 1,            .right_margin   = 1,
 211                 .upper_margin   = 40,           .lower_margin   = 1,
 212                 .hsync_len      = 45,           .vsync_len      = 1,
 213
 214                 .sync           = 0,
 215                 .vmode          = FB_VMODE_NONINTERLACED,
 216         },
 217 };
 218
 219 static struct fb_monspecs at91fb_default_monspecs = {
 220         .manufacturer   = "LG",
 221         .monitor        = "LB043WQ1",
 222
 223         .modedb         = at91_tft_vga_modes,
 224         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 225         .hfmin          = 15000,
 226         .hfmax          = 17640,
 227         .vfmin          = 57,
 228         .vfmax          = 67,
 229 };
 230
 231 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 232                                         | ATMEL_LCDC_DISTYPE_TFT \
 233                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 234
 235 /* Driver datas */
 236 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 237         .lcdcon_is_backlight            = true,
 238         .default_bpp                    = 32,
 239         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 240         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 241         .default_monspecs               = &at91fb_default_monspecs,
 242         .guard_time                     = 9,
 243         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 244 };
 245
 246 #else
 247 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 248 #endif
 249
 250
 251 /*
 252  * Touchscreen
 253  */
 254 static struct at91_tsadcc_data ek_tsadcc_data = {
 255         .adc_clock              = 300000,
 256         .pendet_debounce        = 0x0d,
 257         .ts_sample_hold_time    = 0x0a,
 258 };
 259
 260
 261 /*
 262  * GPIO Buttons
 263  */
 264 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 265 static struct gpio_keys_button ek_buttons[] = {
 266         {       /* BP1, "leftclic" */
 267                 .code           = BTN_LEFT,
 268                 .gpio           = AT91_PIN_PB6,
 269                 .active_low     = 1,
 270                 .desc           = "left_click",
 271                 .wakeup         = 1,
 272         },
 273         {       /* BP2, "rightclic" */
 274                 .code           = BTN_RIGHT,
 275                 .gpio           = AT91_PIN_PB7,
 276                 .active_low     = 1,
 277                 .desc           = "right_click",
 278                 .wakeup         = 1,
 279         },
 280                 /* BP3, "joystick" */
 281         {
 282                 .code           = KEY_LEFT,
 283                 .gpio           = AT91_PIN_PB14,
 284                 .active_low     = 1,
 285                 .desc           = "Joystick Left",
 286         },
 287         {
 288                 .code           = KEY_RIGHT,
 289                 .gpio           = AT91_PIN_PB15,
 290                 .active_low     = 1,
 291                 .desc           = "Joystick Right",
 292         },
 293         {
 294                 .code           = KEY_UP,
 295                 .gpio           = AT91_PIN_PB16,
 296                 .active_low     = 1,
 297                 .desc           = "Joystick Up",
 298         },
 299         {
 300                 .code           = KEY_DOWN,
 301                 .gpio           = AT91_PIN_PB17,
 302                 .active_low     = 1,
 303                 .desc           = "Joystick Down",
 304         },
 305         {
 306                 .code           = KEY_ENTER,
 307                 .gpio           = AT91_PIN_PB18,
 308                 .active_low     = 1,
 309                 .desc           = "Joystick Press",
 310         },
 311 };
 312
 313 static struct gpio_keys_platform_data ek_button_data = {
 314         .buttons        = ek_buttons,
 315         .nbuttons       = ARRAY_SIZE(ek_buttons),
 316 };
 317
 318 static struct platform_device ek_button_device = {
 319         .name           = "gpio-keys",
 320         .id             = -1,
 321         .num_resources  = 0,
 322         .dev            = {
 323                 .platform_data  = &ek_button_data,
 324         }
 325 };
 326
 327 static void __init ek_add_device_buttons(void)
 328 {
 329         int i;
 330
 331         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 332                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 333                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 334         }
 335
 336         platform_device_register(&ek_button_device);
 337 }
 338 #else
 339 static void __init ek_add_device_buttons(void) {}
 340 #endif
 341
 342
 343 /*
 344  * AC97
 345  * reset_pin is not connected: NRST
 346  */
 347 static struct ac97c_platform_data ek_ac97_data = {
 348 };
 349
 350
 351 /*
 352  * LEDs ... these could all be PWM-driven, for variable brightness
 353  */
 354 static struct gpio_led ek_leds[] = {
 355         {       /* "top" led, red, powerled */
 356                 .name                   = "d8",
 357                 .gpio                   = AT91_PIN_PD30,
 358                 .default_trigger        = "heartbeat",
 359         },
 360         {       /* "left" led, green, userled2, pwm3 */
 361                 .name                   = "d6",
 362                 .gpio                   = AT91_PIN_PD0,
 363                 .active_low             = 1,
 364                 .default_trigger        = "nand-disk",
 365         },
 366 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 367         {       /* "right" led, green, userled1, pwm1 */
 368                 .name                   = "d7",
 369                 .gpio                   = AT91_PIN_PD31,
 370                 .active_low             = 1,
 371                 .default_trigger        = "mmc0",
 372         },
 373 #endif
 374 };
 375
 376
 377 /*
 378  * PWM Leds
 379  */
 380 static struct gpio_led ek_pwm_led[] = {
 381 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 382         {       /* "right" led, green, userled1, pwm1 */
 383                 .name                   = "d7",
 384                 .gpio                   = 1,    /* is PWM channel number */
 385                 .active_low             = 1,
 386                 .default_trigger        = "none",
 387         },
 388 #endif
 389 };
 390
 391
 392
 393 static void __init ek_board_init(void)
 394 {
 395         /* Serial */
 396         at91_add_device_serial();
 397         /* USB HS Host */
 398         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 399         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 400         /* USB HS Device */
 401         at91_add_device_usba(&ek_usba_udc_data);
 402         /* SPI */
 403         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 404         /* MMC */
 405         at91_add_device_mci(0, &mci0_data);
 406         at91_add_device_mci(1, &mci1_data);
 407         /* Ethernet */
 408         at91_add_device_eth(&ek_macb_data);
 409         /* NAND */
 410         ek_add_device_nand();
 411         /* I2C */
 412         at91_add_device_i2c(0, NULL, 0);
 413         /* LCD Controller */
 414         at91_add_device_lcdc(&ek_lcdc_data);
 415         /* Touch Screen */
 416         at91_add_device_tsadcc(&ek_tsadcc_data);
 417         /* Push Buttons */
 418         ek_add_device_buttons();
 419         /* AC97 */
 420         at91_add_device_ac97(&ek_ac97_data);
 421         /* LEDs */
 422         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 423         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 424 }
 425
 426 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 427         /* Maintainer: Atmel */
 428         .boot_params    = AT91_SDRAM_BASE + 0x100,
 429         .timer          = &at91sam926x_timer,
 430         .map_io         = ek_map_io,
 431         .init_irq       = ek_init_irq,
 432         .init_machine   = ek_board_init,
 433 MACHINE_END