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
  45 #include "sam9_smc.h"
  46 #include "generic.h"
  47
  48
  49 static void __init ek_map_io(void)
  50 {
  51         /* Initialize processor: 12.000 MHz crystal */
  52         at91sam9g45_initialize(12000000);
  53
  54         /* DGBU on ttyS0. (Rx & Tx only) */
  55         at91_register_uart(0, 0, 0);
  56
  57         /* USART0 not connected on the -EK board */
  58         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
  59         at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  60
  61         /* set serial console to ttyS0 (ie, DBGU) */
  62         at91_set_serial_console(0);
  63 }
  64
  65 static void __init ek_init_irq(void)
  66 {
  67         at91sam9g45_init_interrupts(NULL);
  68 }
  69
  70
  71 /*
  72  * USB HS Host port (common to OHCI & EHCI)
  73  */
  74 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  75         .ports          = 2,
  76         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  77 };
  78
  79
  80 /*
  81  * USB HS Device port
  82  */
  83 static struct usba_platform_data __initdata ek_usba_udc_data = {
  84         .vbus_pin       = AT91_PIN_PB19,
  85 };
  86
  87
  88 /*
  89  * SPI devices.
  90  */
  91 static struct spi_board_info ek_spi_devices[] = {
  92         {       /* DataFlash chip */
  93                 .modalias       = "mtd_dataflash",
  94                 .chip_select    = 0,
  95                 .max_speed_hz   = 15 * 1000 * 1000,
  96                 .bus_num        = 0,
  97         },
  98 };
  99
 100
 101 /*
 102  * MCI (SD/MMC)
 103  */
 104 static struct mci_platform_data __initdata mci0_data = {
 105         .slot[0] = {
 106                 .bus_width      = 4,
 107                 .detect_pin     = AT91_PIN_PD10,
 108         },
 109 };
 110
 111 static struct mci_platform_data __initdata mci1_data = {
 112         .slot[0] = {
 113                 .bus_width      = 4,
 114                 .detect_pin     = AT91_PIN_PD11,
 115                 .wp_pin         = AT91_PIN_PD29,
 116         },
 117 };
 118
 119
 120 /*
 121  * MACB Ethernet device
 122  */
 123 static struct at91_eth_data __initdata ek_macb_data = {
 124         .phy_irq_pin    = AT91_PIN_PD5,
 125         .is_rmii        = 1,
 126 };
 127
 128
 129 /*
 130  * NAND flash
 131  */
 132 static struct mtd_partition __initdata ek_nand_partition[] = {
 133         {
 134                 .name   = "Partition 1",
 135                 .offset = 0,
 136                 .size   = SZ_64M,
 137         },
 138         {
 139                 .name   = "Partition 2",
 140                 .offset = MTDPART_OFS_NXTBLK,
 141                 .size   = MTDPART_SIZ_FULL,
 142         },
 143 };
 144
 145 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 146 {
 147         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 148         return ek_nand_partition;
 149 }
 150
 151 /* det_pin is not connected */
 152 static struct atmel_nand_data __initdata ek_nand_data = {
 153         .ale            = 21,
 154         .cle            = 22,
 155         .rdy_pin        = AT91_PIN_PC8,
 156         .enable_pin     = AT91_PIN_PC14,
 157         .partition_info = nand_partitions,
 158 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 159         .bus_width_16   = 1,
 160 #else
 161         .bus_width_16   = 0,
 162 #endif
 163 };
 164
 165 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 166         .ncs_read_setup         = 0,
 167         .nrd_setup              = 2,
 168         .ncs_write_setup        = 0,
 169         .nwe_setup              = 2,
 170
 171         .ncs_read_pulse         = 4,
 172         .nrd_pulse              = 4,
 173         .ncs_write_pulse        = 4,
 174         .nwe_pulse              = 4,
 175
 176         .read_cycle             = 7,
 177         .write_cycle            = 7,
 178
 179         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 180         .tdf_cycles             = 3,
 181 };
 182
 183 static void __init ek_add_device_nand(void)
 184 {
 185         /* setup bus-width (8 or 16) */
 186         if (ek_nand_data.bus_width_16)
 187                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 188         else
 189                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 190
 191         /* configure chip-select 3 (NAND) */
 192         sam9_smc_configure(3, &ek_nand_smc_config);
 193
 194         at91_add_device_nand(&ek_nand_data);
 195 }
 196
 197
 198 /*
 199  * LCD Controller
 200  */
 201 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 202 static struct fb_videomode at91_tft_vga_modes[] = {
 203         {
 204                 .name           = "LG",
 205                 .refresh        = 60,
 206                 .xres           = 480,          .yres           = 272,
 207                 .pixclock       = KHZ2PICOS(9000),
 208
 209                 .left_margin    = 1,            .right_margin   = 1,
 210                 .upper_margin   = 40,           .lower_margin   = 1,
 211                 .hsync_len      = 45,           .vsync_len      = 1,
 212
 213                 .sync           = 0,
 214                 .vmode          = FB_VMODE_NONINTERLACED,
 215         },
 216 };
 217
 218 static struct fb_monspecs at91fb_default_monspecs = {
 219         .manufacturer   = "LG",
 220         .monitor        = "LB043WQ1",
 221
 222         .modedb         = at91_tft_vga_modes,
 223         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 224         .hfmin          = 15000,
 225         .hfmax          = 17640,
 226         .vfmin          = 57,
 227         .vfmax          = 67,
 228 };
 229
 230 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 231                                         | ATMEL_LCDC_DISTYPE_TFT \
 232                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 233
 234 /* Driver datas */
 235 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 236         .lcdcon_is_backlight            = true,
 237         .default_bpp                    = 32,
 238         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 239         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 240         .default_monspecs               = &at91fb_default_monspecs,
 241         .guard_time                     = 9,
 242         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 243 };
 244
 245 #else
 246 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 247 #endif
 248
 249
 250 /*
 251  * Touchscreen
 252  */
 253 static struct at91_tsadcc_data ek_tsadcc_data = {
 254         .adc_clock              = 300000,
 255         .pendet_debounce        = 0x0d,
 256         .ts_sample_hold_time    = 0x0a,
 257 };
 258
 259
 260 /*
 261  * GPIO Buttons
 262  */
 263 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 264 static struct gpio_keys_button ek_buttons[] = {
 265         {       /* BP1, "leftclic" */
 266                 .code           = BTN_LEFT,
 267                 .gpio           = AT91_PIN_PB6,
 268                 .active_low     = 1,
 269                 .desc           = "left_click",
 270                 .wakeup         = 1,
 271         },
 272         {       /* BP2, "rightclic" */
 273                 .code           = BTN_RIGHT,
 274                 .gpio           = AT91_PIN_PB7,
 275                 .active_low     = 1,
 276                 .desc           = "right_click",
 277                 .wakeup         = 1,
 278         },
 279                 /* BP3, "joystick" */
 280         {
 281                 .code           = KEY_LEFT,
 282                 .gpio           = AT91_PIN_PB14,
 283                 .active_low     = 1,
 284                 .desc           = "Joystick Left",
 285         },
 286         {
 287                 .code           = KEY_RIGHT,
 288                 .gpio           = AT91_PIN_PB15,
 289                 .active_low     = 1,
 290                 .desc           = "Joystick Right",
 291         },
 292         {
 293                 .code           = KEY_UP,
 294                 .gpio           = AT91_PIN_PB16,
 295                 .active_low     = 1,
 296                 .desc           = "Joystick Up",
 297         },
 298         {
 299                 .code           = KEY_DOWN,
 300                 .gpio           = AT91_PIN_PB17,
 301                 .active_low     = 1,
 302                 .desc           = "Joystick Down",
 303         },
 304         {
 305                 .code           = KEY_ENTER,
 306                 .gpio           = AT91_PIN_PB18,
 307                 .active_low     = 1,
 308                 .desc           = "Joystick Press",
 309         },
 310 };
 311
 312 static struct gpio_keys_platform_data ek_button_data = {
 313         .buttons        = ek_buttons,
 314         .nbuttons       = ARRAY_SIZE(ek_buttons),
 315 };
 316
 317 static struct platform_device ek_button_device = {
 318         .name           = "gpio-keys",
 319         .id             = -1,
 320         .num_resources  = 0,
 321         .dev            = {
 322                 .platform_data  = &ek_button_data,
 323         }
 324 };
 325
 326 static void __init ek_add_device_buttons(void)
 327 {
 328         int i;
 329
 330         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 331                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 332                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 333         }
 334
 335         platform_device_register(&ek_button_device);
 336 }
 337 #else
 338 static void __init ek_add_device_buttons(void) {}
 339 #endif
 340
 341
 342 /*
 343  * AC97
 344  * reset_pin is not connected: NRST
 345  */
 346 static struct ac97c_platform_data ek_ac97_data = {
 347 };
 348
 349
 350 /*
 351  * LEDs ... these could all be PWM-driven, for variable brightness
 352  */
 353 static struct gpio_led ek_leds[] = {
 354         {       /* "top" led, red, powerled */
 355                 .name                   = "d8",
 356                 .gpio                   = AT91_PIN_PD30,
 357                 .default_trigger        = "heartbeat",
 358         },
 359         {       /* "left" led, green, userled2, pwm3 */
 360                 .name                   = "d6",
 361                 .gpio                   = AT91_PIN_PD0,
 362                 .active_low             = 1,
 363                 .default_trigger        = "nand-disk",
 364         },
 365 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 366         {       /* "right" led, green, userled1, pwm1 */
 367                 .name                   = "d7",
 368                 .gpio                   = AT91_PIN_PD31,
 369                 .active_low             = 1,
 370                 .default_trigger        = "mmc0",
 371         },
 372 #endif
 373 };
 374
 375
 376 /*
 377  * PWM Leds
 378  */
 379 static struct gpio_led ek_pwm_led[] = {
 380 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 381         {       /* "right" led, green, userled1, pwm1 */
 382                 .name                   = "d7",
 383                 .gpio                   = 1,    /* is PWM channel number */
 384                 .active_low             = 1,
 385                 .default_trigger        = "none",
 386         },
 387 #endif
 388 };
 389
 390
 391
 392 static void __init ek_board_init(void)
 393 {
 394         /* Serial */
 395         at91_add_device_serial();
 396         /* USB HS Host */
 397         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 398         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 399         /* USB HS Device */
 400         at91_add_device_usba(&ek_usba_udc_data);
 401         /* SPI */
 402         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 403         /* MMC */
 404         at91_add_device_mci(0, &mci0_data);
 405         at91_add_device_mci(1, &mci1_data);
 406         /* Ethernet */
 407         at91_add_device_eth(&ek_macb_data);
 408         /* NAND */
 409         ek_add_device_nand();
 410         /* I2C */
 411         at91_add_device_i2c(0, NULL, 0);
 412         /* LCD Controller */
 413         at91_add_device_lcdc(&ek_lcdc_data);
 414         /* Touch Screen */
 415         at91_add_device_tsadcc(&ek_tsadcc_data);
 416         /* Push Buttons */
 417         ek_add_device_buttons();
 418         /* AC97 */
 419         at91_add_device_ac97(&ek_ac97_data);
 420         /* LEDs */
 421         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 422         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 423 }
 424
 425 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 426         /* Maintainer: Atmel */
 427         .boot_params    = AT91_SDRAM_BASE + 0x100,
 428         .timer          = &at91sam926x_timer,
 429         .map_io         = ek_map_io,
 430         .init_irq       = ek_init_irq,
 431         .init_machine   = ek_board_init,
 432 MACHINE_END