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         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 };
 160
 161 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 162         .ncs_read_setup         = 0,
 163         .nrd_setup              = 2,
 164         .ncs_write_setup        = 0,
 165         .nwe_setup              = 2,
 166
 167         .ncs_read_pulse         = 4,
 168         .nrd_pulse              = 4,
 169         .ncs_write_pulse        = 4,
 170         .nwe_pulse              = 4,
 171
 172         .read_cycle             = 7,
 173         .write_cycle            = 7,
 174
 175         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 176         .tdf_cycles             = 3,
 177 };
 178
 179 static void __init ek_add_device_nand(void)
 180 {
 181         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 182         /* setup bus-width (8 or 16) */
 183         if (ek_nand_data.bus_width_16)
 184                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 185         else
 186                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 187
 188         /* configure chip-select 3 (NAND) */
 189         sam9_smc_configure(3, &ek_nand_smc_config);
 190
 191         at91_add_device_nand(&ek_nand_data);
 192 }
 193
 194
 195 /*
 196  * LCD Controller
 197  */
 198 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 199 static struct fb_videomode at91_tft_vga_modes[] = {
 200         {
 201                 .name           = "LG",
 202                 .refresh        = 60,
 203                 .xres           = 480,          .yres           = 272,
 204                 .pixclock       = KHZ2PICOS(9000),
 205
 206                 .left_margin    = 1,            .right_margin   = 1,
 207                 .upper_margin   = 40,           .lower_margin   = 1,
 208                 .hsync_len      = 45,           .vsync_len      = 1,
 209
 210                 .sync           = 0,
 211                 .vmode          = FB_VMODE_NONINTERLACED,
 212         },
 213 };
 214
 215 static struct fb_monspecs at91fb_default_monspecs = {
 216         .manufacturer   = "LG",
 217         .monitor        = "LB043WQ1",
 218
 219         .modedb         = at91_tft_vga_modes,
 220         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 221         .hfmin          = 15000,
 222         .hfmax          = 17640,
 223         .vfmin          = 57,
 224         .vfmax          = 67,
 225 };
 226
 227 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 228                                         | ATMEL_LCDC_DISTYPE_TFT \
 229                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 230
 231 /* Driver datas */
 232 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 233         .lcdcon_is_backlight            = true,
 234         .default_bpp                    = 32,
 235         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 236         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 237         .default_monspecs               = &at91fb_default_monspecs,
 238         .guard_time                     = 9,
 239         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 240 };
 241
 242 #else
 243 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 244 #endif
 245
 246
 247 /*
 248  * Touchscreen
 249  */
 250 static struct at91_tsadcc_data ek_tsadcc_data = {
 251         .adc_clock              = 300000,
 252         .pendet_debounce        = 0x0d,
 253         .ts_sample_hold_time    = 0x0a,
 254 };
 255
 256
 257 /*
 258  * GPIO Buttons
 259  */
 260 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 261 static struct gpio_keys_button ek_buttons[] = {
 262         {       /* BP1, "leftclic" */
 263                 .code           = BTN_LEFT,
 264                 .gpio           = AT91_PIN_PB6,
 265                 .active_low     = 1,
 266                 .desc           = "left_click",
 267                 .wakeup         = 1,
 268         },
 269         {       /* BP2, "rightclic" */
 270                 .code           = BTN_RIGHT,
 271                 .gpio           = AT91_PIN_PB7,
 272                 .active_low     = 1,
 273                 .desc           = "right_click",
 274                 .wakeup         = 1,
 275         },
 276                 /* BP3, "joystick" */
 277         {
 278                 .code           = KEY_LEFT,
 279                 .gpio           = AT91_PIN_PB14,
 280                 .active_low     = 1,
 281                 .desc           = "Joystick Left",
 282         },
 283         {
 284                 .code           = KEY_RIGHT,
 285                 .gpio           = AT91_PIN_PB15,
 286                 .active_low     = 1,
 287                 .desc           = "Joystick Right",
 288         },
 289         {
 290                 .code           = KEY_UP,
 291                 .gpio           = AT91_PIN_PB16,
 292                 .active_low     = 1,
 293                 .desc           = "Joystick Up",
 294         },
 295         {
 296                 .code           = KEY_DOWN,
 297                 .gpio           = AT91_PIN_PB17,
 298                 .active_low     = 1,
 299                 .desc           = "Joystick Down",
 300         },
 301         {
 302                 .code           = KEY_ENTER,
 303                 .gpio           = AT91_PIN_PB18,
 304                 .active_low     = 1,
 305                 .desc           = "Joystick Press",
 306         },
 307 };
 308
 309 static struct gpio_keys_platform_data ek_button_data = {
 310         .buttons        = ek_buttons,
 311         .nbuttons       = ARRAY_SIZE(ek_buttons),
 312 };
 313
 314 static struct platform_device ek_button_device = {
 315         .name           = "gpio-keys",
 316         .id             = -1,
 317         .num_resources  = 0,
 318         .dev            = {
 319                 .platform_data  = &ek_button_data,
 320         }
 321 };
 322
 323 static void __init ek_add_device_buttons(void)
 324 {
 325         int i;
 326
 327         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 328                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 329                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 330         }
 331
 332         platform_device_register(&ek_button_device);
 333 }
 334 #else
 335 static void __init ek_add_device_buttons(void) {}
 336 #endif
 337
 338
 339 /*
 340  * AC97
 341  * reset_pin is not connected: NRST
 342  */
 343 static struct ac97c_platform_data ek_ac97_data = {
 344 };
 345
 346
 347 /*
 348  * LEDs ... these could all be PWM-driven, for variable brightness
 349  */
 350 static struct gpio_led ek_leds[] = {
 351         {       /* "top" led, red, powerled */
 352                 .name                   = "d8",
 353                 .gpio                   = AT91_PIN_PD30,
 354                 .default_trigger        = "heartbeat",
 355         },
 356         {       /* "left" led, green, userled2, pwm3 */
 357                 .name                   = "d6",
 358                 .gpio                   = AT91_PIN_PD0,
 359                 .active_low             = 1,
 360                 .default_trigger        = "nand-disk",
 361         },
 362 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 363         {       /* "right" led, green, userled1, pwm1 */
 364                 .name                   = "d7",
 365                 .gpio                   = AT91_PIN_PD31,
 366                 .active_low             = 1,
 367                 .default_trigger        = "mmc0",
 368         },
 369 #endif
 370 };
 371
 372
 373 /*
 374  * PWM Leds
 375  */
 376 static struct gpio_led ek_pwm_led[] = {
 377 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 378         {       /* "right" led, green, userled1, pwm1 */
 379                 .name                   = "d7",
 380                 .gpio                   = 1,    /* is PWM channel number */
 381                 .active_low             = 1,
 382                 .default_trigger        = "none",
 383         },
 384 #endif
 385 };
 386
 387
 388
 389 static void __init ek_board_init(void)
 390 {
 391         /* Serial */
 392         at91_add_device_serial();
 393         /* USB HS Host */
 394         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 395         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 396         /* USB HS Device */
 397         at91_add_device_usba(&ek_usba_udc_data);
 398         /* SPI */
 399         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 400         /* MMC */
 401         at91_add_device_mci(0, &mci0_data);
 402         at91_add_device_mci(1, &mci1_data);
 403         /* Ethernet */
 404         at91_add_device_eth(&ek_macb_data);
 405         /* NAND */
 406         ek_add_device_nand();
 407         /* I2C */
 408         at91_add_device_i2c(0, NULL, 0);
 409         /* LCD Controller */
 410         at91_add_device_lcdc(&ek_lcdc_data);
 411         /* Touch Screen */
 412         at91_add_device_tsadcc(&ek_tsadcc_data);
 413         /* Push Buttons */
 414         ek_add_device_buttons();
 415         /* AC97 */
 416         at91_add_device_ac97(&ek_ac97_data);
 417         /* LEDs */
 418         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 419         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 420 }
 421
 422 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 423         /* Maintainer: Atmel */
 424         .timer          = &at91sam926x_timer,
 425         .map_io         = at91sam9g45_map_io,
 426         .init_early     = ek_init_early,
 427         .init_irq       = ek_init_irq,
 428         .init_machine   = ek_board_init,
 429 MACHINE_END