arch/arm/mach-davinci/board-da850-evm.c

   1 /*
   2  * TI DA850/OMAP-L138 EVM board
   3  *
   4  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
   7  * Original Copyrights follow:
   8  *
   9  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
  10  * the terms of the GNU General Public License version 2. This program
  11  * is licensed "as is" without any warranty of any kind, whether express
  12  * or implied.
  13  */
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/console.h>
  17 #include <linux/i2c.h>
  18 #include <linux/i2c/at24.h>
  19 #include <linux/i2c/pca953x.h>
  20 #include <linux/input.h>
  21 #include <linux/mfd/tps6507x.h>
  22 #include <linux/gpio.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/mtd/mtd.h>
  26 #include <linux/mtd/nand.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/regulator/machine.h>
  30 #include <linux/regulator/tps6507x.h>
  31 #include <linux/input/tps6507x-ts.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35
  36 #include <mach/cp_intc.h>
  37 #include <mach/da8xx.h>
  38 #include <mach/nand.h>
  39 #include <mach/mux.h>
  40 #include <mach/aemif.h>
  41
  42 #define DA850_EVM_PHY_ID                "0:00"
  43 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  44 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  45
  46 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
  47 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
  48
  49 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  50
  51 static struct mtd_partition da850_evm_norflash_partition[] = {
  52         {
  53                 .name           = "bootloaders + env",
  54                 .offset         = 0,
  55                 .size           = SZ_512K,
  56                 .mask_flags     = MTD_WRITEABLE,
  57         },
  58         {
  59                 .name           = "kernel",
  60                 .offset         = MTDPART_OFS_APPEND,
  61                 .size           = SZ_2M,
  62                 .mask_flags     = 0,
  63         },
  64         {
  65                 .name           = "filesystem",
  66                 .offset         = MTDPART_OFS_APPEND,
  67                 .size           = MTDPART_SIZ_FULL,
  68                 .mask_flags     = 0,
  69         },
  70 };
  71
  72 static struct physmap_flash_data da850_evm_norflash_data = {
  73         .width          = 2,
  74         .parts          = da850_evm_norflash_partition,
  75         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
  76 };
  77
  78 static struct resource da850_evm_norflash_resource[] = {
  79         {
  80                 .start  = DA8XX_AEMIF_CS2_BASE,
  81                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
  82                 .flags  = IORESOURCE_MEM,
  83         },
  84 };
  85
  86 static struct platform_device da850_evm_norflash_device = {
  87         .name           = "physmap-flash",
  88         .id             = 0,
  89         .dev            = {
  90                 .platform_data  = &da850_evm_norflash_data,
  91         },
  92         .num_resources  = 1,
  93         .resource       = da850_evm_norflash_resource,
  94 };
  95
  96 static struct davinci_pm_config da850_pm_pdata = {
  97         .sleepcount = 128,
  98 };
  99
 100 static struct platform_device da850_pm_device = {
 101         .name           = "pm-davinci",
 102         .dev = {
 103                 .platform_data  = &da850_pm_pdata,
 104         },
 105         .id             = -1,
 106 };
 107
 108 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 109  * (128K blocks). It may be used instead of the (default) SPI flash
 110  * to boot, using TI's tools to install the secondary boot loader
 111  * (UBL) and U-Boot.
 112  */
 113 static struct mtd_partition da850_evm_nandflash_partition[] = {
 114         {
 115                 .name           = "u-boot env",
 116                 .offset         = 0,
 117                 .size           = SZ_128K,
 118                 .mask_flags     = MTD_WRITEABLE,
 119          },
 120         {
 121                 .name           = "UBL",
 122                 .offset         = MTDPART_OFS_APPEND,
 123                 .size           = SZ_128K,
 124                 .mask_flags     = MTD_WRITEABLE,
 125         },
 126         {
 127                 .name           = "u-boot",
 128                 .offset         = MTDPART_OFS_APPEND,
 129                 .size           = 4 * SZ_128K,
 130                 .mask_flags     = MTD_WRITEABLE,
 131         },
 132         {
 133                 .name           = "kernel",
 134                 .offset         = 0x200000,
 135                 .size           = SZ_2M,
 136                 .mask_flags     = 0,
 137         },
 138         {
 139                 .name           = "filesystem",
 140                 .offset         = MTDPART_OFS_APPEND,
 141                 .size           = MTDPART_SIZ_FULL,
 142                 .mask_flags     = 0,
 143         },
 144 };
 145
 146 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
 147         .wsetup         = 24,
 148         .wstrobe        = 21,
 149         .whold          = 14,
 150         .rsetup         = 19,
 151         .rstrobe        = 50,
 152         .rhold          = 0,
 153         .ta             = 20,
 154 };
 155
 156 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 157         .parts          = da850_evm_nandflash_partition,
 158         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 159         .ecc_mode       = NAND_ECC_HW,
 160         .ecc_bits       = 4,
 161         .options        = NAND_USE_FLASH_BBT,
 162         .timing         = &da850_evm_nandflash_timing,
 163 };
 164
 165 static struct resource da850_evm_nandflash_resource[] = {
 166         {
 167                 .start  = DA8XX_AEMIF_CS3_BASE,
 168                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 169                 .flags  = IORESOURCE_MEM,
 170         },
 171         {
 172                 .start  = DA8XX_AEMIF_CTL_BASE,
 173                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 174                 .flags  = IORESOURCE_MEM,
 175         },
 176 };
 177
 178 static struct platform_device da850_evm_nandflash_device = {
 179         .name           = "davinci_nand",
 180         .id             = 1,
 181         .dev            = {
 182                 .platform_data  = &da850_evm_nandflash_data,
 183         },
 184         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 185         .resource       = da850_evm_nandflash_resource,
 186 };
 187
 188 static struct platform_device *da850_evm_devices[] __initdata = {
 189         &da850_evm_nandflash_device,
 190         &da850_evm_norflash_device,
 191 };
 192
 193 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 194 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 195
 196 static void __init da850_evm_init_nor(void)
 197 {
 198         void __iomem *aemif_addr;
 199
 200         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 201
 202         /* Configure data bus width of CS2 to 16 bit */
 203         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 204                 DA8XX_AEMIF_ASIZE_16BIT,
 205                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 206
 207         iounmap(aemif_addr);
 208 }
 209
 210 static const short da850_evm_nand_pins[] = {
 211         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
 212         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
 213         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
 214         DA850_NEMA_WE, DA850_NEMA_OE,
 215         -1
 216 };
 217
 218 static const short da850_evm_nor_pins[] = {
 219         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
 220         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
 221         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
 222         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
 223         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
 224         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
 225         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
 226         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
 227         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
 228         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
 229         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
 230         DA850_EMA_A_22, DA850_EMA_A_23,
 231         -1
 232 };
 233
 234 static u32 ui_card_detected;
 235
 236 #if defined(CONFIG_MMC_DAVINCI) || \
 237     defined(CONFIG_MMC_DAVINCI_MODULE)
 238 #define HAS_MMC 1
 239 #else
 240 #define HAS_MMC 0
 241 #endif
 242
 243 static inline void da850_evm_setup_nor_nand(void)
 244 {
 245         int ret = 0;
 246
 247         if (ui_card_detected & !HAS_MMC) {
 248                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
 249                 if (ret)
 250                         pr_warning("da850_evm_init: nand mux setup failed: "
 251                                         "%d\n", ret);
 252
 253                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
 254                 if (ret)
 255                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 256                                 ret);
 257
 258                 da850_evm_init_nor();
 259
 260                 platform_add_devices(da850_evm_devices,
 261                                         ARRAY_SIZE(da850_evm_devices));
 262         }
 263 }
 264
 265 #ifdef CONFIG_DA850_UI_RMII
 266 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 267 {
 268         struct davinci_soc_info *soc_info = &davinci_soc_info;
 269
 270         soc_info->emac_pdata->rmii_en = 1;
 271         gpio_set_value_cansleep(rmii_sel, 0);
 272 }
 273 #else
 274 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 275 #endif
 276
 277
 278 #define DA850_KEYS_DEBOUNCE_MS  10
 279 /*
 280  * At 200ms polling interval it is possible to miss an
 281  * event by tapping very lightly on the push button but most
 282  * pushes do result in an event; longer intervals require the
 283  * user to hold the button whereas shorter intervals require
 284  * more CPU time for polling.
 285  */
 286 #define DA850_GPIO_KEYS_POLL_MS 200
 287
 288 enum da850_evm_ui_exp_pins {
 289         DA850_EVM_UI_EXP_SEL_C = 5,
 290         DA850_EVM_UI_EXP_SEL_B,
 291         DA850_EVM_UI_EXP_SEL_A,
 292         DA850_EVM_UI_EXP_PB8,
 293         DA850_EVM_UI_EXP_PB7,
 294         DA850_EVM_UI_EXP_PB6,
 295         DA850_EVM_UI_EXP_PB5,
 296         DA850_EVM_UI_EXP_PB4,
 297         DA850_EVM_UI_EXP_PB3,
 298         DA850_EVM_UI_EXP_PB2,
 299         DA850_EVM_UI_EXP_PB1,
 300 };
 301
 302 static const char const *da850_evm_ui_exp[] = {
 303         [DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
 304         [DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
 305         [DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
 306         [DA850_EVM_UI_EXP_PB8]          = "pb8",
 307         [DA850_EVM_UI_EXP_PB7]          = "pb7",
 308         [DA850_EVM_UI_EXP_PB6]          = "pb6",
 309         [DA850_EVM_UI_EXP_PB5]          = "pb5",
 310         [DA850_EVM_UI_EXP_PB4]          = "pb4",
 311         [DA850_EVM_UI_EXP_PB3]          = "pb3",
 312         [DA850_EVM_UI_EXP_PB2]          = "pb2",
 313         [DA850_EVM_UI_EXP_PB1]          = "pb1",
 314 };
 315
 316 #define DA850_N_UI_PB           8
 317
 318 static struct gpio_keys_button da850_evm_ui_keys[] = {
 319         [0 ... DA850_N_UI_PB - 1] = {
 320                 .type                   = EV_KEY,
 321                 .active_low             = 1,
 322                 .wakeup                 = 0,
 323                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 324                 .code                   = -1, /* assigned at runtime */
 325                 .gpio                   = -1, /* assigned at runtime */
 326                 .desc                   = NULL, /* assigned at runtime */
 327         },
 328 };
 329
 330 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
 331         .buttons = da850_evm_ui_keys,
 332         .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
 333         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 334 };
 335
 336 static struct platform_device da850_evm_ui_keys_device = {
 337         .name = "gpio-keys-polled",
 338         .id = 0,
 339         .dev = {
 340                 .platform_data = &da850_evm_ui_keys_pdata
 341         },
 342 };
 343
 344 static void da850_evm_ui_keys_init(unsigned gpio)
 345 {
 346         int i;
 347         struct gpio_keys_button *button;
 348
 349         for (i = 0; i < DA850_N_UI_PB; i++) {
 350                 button = &da850_evm_ui_keys[i];
 351                 button->code = KEY_F8 - i;
 352                 button->desc = (char *)
 353                                 da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
 354                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
 355         }
 356 }
 357
 358 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 359                                                 unsigned ngpio, void *c)
 360 {
 361         int sel_a, sel_b, sel_c, ret;
 362
 363         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
 364         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
 365         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
 366
 367         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
 368         if (ret) {
 369                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 370                 goto exp_setup_sela_fail;
 371         }
 372
 373         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
 374         if (ret) {
 375                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 376                 goto exp_setup_selb_fail;
 377         }
 378
 379         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
 380         if (ret) {
 381                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 382                 goto exp_setup_selc_fail;
 383         }
 384
 385         /* deselect all functionalities */
 386         gpio_direction_output(sel_a, 1);
 387         gpio_direction_output(sel_b, 1);
 388         gpio_direction_output(sel_c, 1);
 389
 390         da850_evm_ui_keys_init(gpio);
 391         ret = platform_device_register(&da850_evm_ui_keys_device);
 392         if (ret) {
 393                 pr_warning("Could not register UI GPIO expander push-buttons");
 394                 goto exp_setup_keys_fail;
 395         }
 396
 397         ui_card_detected = 1;
 398         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 399
 400         da850_evm_setup_nor_nand();
 401
 402         da850_evm_setup_emac_rmii(sel_a);
 403
 404         return 0;
 405
 406 exp_setup_keys_fail:
 407         gpio_free(sel_c);
 408 exp_setup_selc_fail:
 409         gpio_free(sel_b);
 410 exp_setup_selb_fail:
 411         gpio_free(sel_a);
 412 exp_setup_sela_fail:
 413         return ret;
 414 }
 415
 416 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 417                                         unsigned gpio, unsigned ngpio, void *c)
 418 {
 419         platform_device_unregister(&da850_evm_ui_keys_device);
 420
 421         /* deselect all functionalities */
 422         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
 423         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
 424         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
 425
 426         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
 427         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
 428         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
 429
 430         return 0;
 431 }
 432
 433 /* assign the baseboard expander's GPIOs after the UI board's */
 434 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
 435 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
 436
 437 enum da850_evm_bb_exp_pins {
 438         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
 439         DA850_EVM_BB_EXP_SW_RST,
 440         DA850_EVM_BB_EXP_TP_23,
 441         DA850_EVM_BB_EXP_TP_22,
 442         DA850_EVM_BB_EXP_TP_21,
 443         DA850_EVM_BB_EXP_USER_PB1,
 444         DA850_EVM_BB_EXP_USER_LED2,
 445         DA850_EVM_BB_EXP_USER_LED1,
 446         DA850_EVM_BB_EXP_USER_SW1,
 447         DA850_EVM_BB_EXP_USER_SW2,
 448         DA850_EVM_BB_EXP_USER_SW3,
 449         DA850_EVM_BB_EXP_USER_SW4,
 450         DA850_EVM_BB_EXP_USER_SW5,
 451         DA850_EVM_BB_EXP_USER_SW6,
 452         DA850_EVM_BB_EXP_USER_SW7,
 453         DA850_EVM_BB_EXP_USER_SW8
 454 };
 455
 456 static const char const *da850_evm_bb_exp[] = {
 457         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
 458         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
 459         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
 460         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
 461         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
 462         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
 463         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
 464         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
 465         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
 466         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
 467         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
 468         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
 469         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
 470         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
 471         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
 472         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
 473 };
 474
 475 #define DA850_N_BB_USER_SW      8
 476
 477 static struct gpio_keys_button da850_evm_bb_keys[] = {
 478         [0] = {
 479                 .type                   = EV_KEY,
 480                 .active_low             = 1,
 481                 .wakeup                 = 0,
 482                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 483                 .code                   = KEY_PROG1,
 484                 .desc                   = NULL, /* assigned at runtime */
 485                 .gpio                   = -1, /* assigned at runtime */
 486         },
 487         [1 ... DA850_N_BB_USER_SW] = {
 488                 .type                   = EV_SW,
 489                 .active_low             = 1,
 490                 .wakeup                 = 0,
 491                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 492                 .code                   = -1, /* assigned at runtime */
 493                 .desc                   = NULL, /* assigned at runtime */
 494                 .gpio                   = -1, /* assigned at runtime */
 495         },
 496 };
 497
 498 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
 499         .buttons = da850_evm_bb_keys,
 500         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
 501         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 502 };
 503
 504 static struct platform_device da850_evm_bb_keys_device = {
 505         .name = "gpio-keys-polled",
 506         .id = 1,
 507         .dev = {
 508                 .platform_data = &da850_evm_bb_keys_pdata
 509         },
 510 };
 511
 512 static void da850_evm_bb_keys_init(unsigned gpio)
 513 {
 514         int i;
 515         struct gpio_keys_button *button;
 516
 517         button = &da850_evm_bb_keys[0];
 518         button->desc = (char *)
 519                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
 520         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
 521
 522         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
 523                 button = &da850_evm_bb_keys[i + 1];
 524                 button->code = SW_LID + i;
 525                 button->desc = (char *)
 526                                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
 527                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
 528         }
 529 }
 530
 531 #define DA850_N_BB_USER_LED     2
 532
 533 static struct gpio_led da850_evm_bb_leds[] = {
 534         [0 ... DA850_N_BB_USER_LED - 1] = {
 535                 .active_low = 1,
 536                 .gpio = -1, /* assigned at runtime */
 537                 .name = NULL, /* assigned at runtime */
 538         },
 539 };
 540
 541 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
 542         .leds = da850_evm_bb_leds,
 543         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
 544 };
 545
 546 static struct platform_device da850_evm_bb_leds_device = {
 547         .name           = "leds-gpio",
 548         .id             = -1,
 549         .dev = {
 550                 .platform_data = &da850_evm_bb_leds_pdata
 551         }
 552 };
 553
 554 static void da850_evm_bb_leds_init(unsigned gpio)
 555 {
 556         int i;
 557         struct gpio_led *led;
 558
 559         for (i = 0; i < DA850_N_BB_USER_LED; i++) {
 560                 led = &da850_evm_bb_leds[i];
 561
 562                 led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
 563                 led->name =
 564                         da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
 565         }
 566 }
 567
 568 static int da850_evm_bb_expander_setup(struct i2c_client *client,
 569                                                 unsigned gpio, unsigned ngpio,
 570                                                 void *c)
 571 {
 572         int ret;
 573
 574         /*
 575          * Register the switches and pushbutton on the baseboard as a gpio-keys
 576          * device.
 577          */
 578         da850_evm_bb_keys_init(gpio);
 579         ret = platform_device_register(&da850_evm_bb_keys_device);
 580         if (ret) {
 581                 pr_warning("Could not register baseboard GPIO expander keys");
 582                 goto io_exp_setup_sw_fail;
 583         }
 584
 585         da850_evm_bb_leds_init(gpio);
 586         ret = platform_device_register(&da850_evm_bb_leds_device);
 587         if (ret) {
 588                 pr_warning("Could not register baseboard GPIO expander LEDS");
 589                 goto io_exp_setup_leds_fail;
 590         }
 591
 592         return 0;
 593
 594 io_exp_setup_leds_fail:
 595         platform_device_unregister(&da850_evm_bb_keys_device);
 596 io_exp_setup_sw_fail:
 597         return ret;
 598 }
 599
 600 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
 601                                         unsigned gpio, unsigned ngpio, void *c)
 602 {
 603         platform_device_unregister(&da850_evm_bb_leds_device);
 604         platform_device_unregister(&da850_evm_bb_keys_device);
 605
 606         return 0;
 607 }
 608
 609 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 610         .gpio_base      = DAVINCI_N_GPIO,
 611         .setup          = da850_evm_ui_expander_setup,
 612         .teardown       = da850_evm_ui_expander_teardown,
 613         .names          = da850_evm_ui_exp,
 614 };
 615
 616 static struct pca953x_platform_data da850_evm_bb_expander_info = {
 617         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
 618         .setup          = da850_evm_bb_expander_setup,
 619         .teardown       = da850_evm_bb_expander_teardown,
 620         .names          = da850_evm_bb_exp,
 621 };
 622
 623 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 624         {
 625                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 626         },
 627         {
 628                 I2C_BOARD_INFO("tca6416", 0x20),
 629                 .platform_data = &da850_evm_ui_expander_info,
 630         },
 631         {
 632                 I2C_BOARD_INFO("tca6416", 0x21),
 633                 .platform_data = &da850_evm_bb_expander_info,
 634         },
 635 };
 636
 637 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 638         .bus_freq       = 100,  /* kHz */
 639         .bus_delay      = 0,    /* usec */
 640 };
 641
 642 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 643         .enabled_uarts = 0x7,
 644 };
 645
 646 /* davinci da850 evm audio machine driver */
 647 static u8 da850_iis_serializer_direction[] = {
 648         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 649         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 650         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 651         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 652 };
 653
 654 static struct snd_platform_data da850_evm_snd_data = {
 655         .tx_dma_offset  = 0x2000,
 656         .rx_dma_offset  = 0x2000,
 657         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 658         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 659         .tdm_slots      = 2,
 660         .serial_dir     = da850_iis_serializer_direction,
 661         .asp_chan_q     = EVENTQ_1,
 662         .version        = MCASP_VERSION_2,
 663         .txnumevt       = 1,
 664         .rxnumevt       = 1,
 665 };
 666
 667 static const short da850_evm_mcasp_pins[] __initconst = {
 668         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
 669         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
 670         DA850_AXR_11, DA850_AXR_12,
 671         -1
 672 };
 673
 674 static int da850_evm_mmc_get_ro(int index)
 675 {
 676         return gpio_get_value(DA850_MMCSD_WP_PIN);
 677 }
 678
 679 static int da850_evm_mmc_get_cd(int index)
 680 {
 681         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 682 }
 683
 684 static struct davinci_mmc_config da850_mmc_config = {
 685         .get_ro         = da850_evm_mmc_get_ro,
 686         .get_cd         = da850_evm_mmc_get_cd,
 687         .wires          = 4,
 688         .max_freq       = 50000000,
 689         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 690         .version        = MMC_CTLR_VERSION_2,
 691 };
 692
 693 static const short da850_evm_mmcsd0_pins[] __initconst = {
 694         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
 695         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
 696         DA850_GPIO4_0, DA850_GPIO4_1,
 697         -1
 698 };
 699
 700 static void da850_panel_power_ctrl(int val)
 701 {
 702         /* lcd backlight */
 703         gpio_set_value(DA850_LCD_BL_PIN, val);
 704
 705         /* lcd power */
 706         gpio_set_value(DA850_LCD_PWR_PIN, val);
 707 }
 708
 709 static int da850_lcd_hw_init(void)
 710 {
 711         int status;
 712
 713         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 714         if (status < 0)
 715                 return status;
 716
 717         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 718         if (status < 0) {
 719                 gpio_free(DA850_LCD_BL_PIN);
 720                 return status;
 721         }
 722
 723         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 724         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 725
 726         /* Switch off panel power and backlight */
 727         da850_panel_power_ctrl(0);
 728
 729         /* Switch on panel power and backlight */
 730         da850_panel_power_ctrl(1);
 731
 732         return 0;
 733 }
 734
 735 /* TPS65070 voltage regulator support */
 736
 737 /* 3.3V */
 738 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 739         {
 740                 .supply = "usb0_vdda33",
 741         },
 742         {
 743                 .supply = "usb1_vdda33",
 744         },
 745 };
 746
 747 /* 3.3V or 1.8V */
 748 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 749         {
 750                 .supply = "dvdd3318_a",
 751         },
 752         {
 753                 .supply = "dvdd3318_b",
 754         },
 755         {
 756                 .supply = "dvdd3318_c",
 757         },
 758 };
 759
 760 /* 1.2V */
 761 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 762         {
 763                 .supply = "cvdd",
 764         },
 765 };
 766
 767 /* 1.8V LDO */
 768 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 769         {
 770                 .supply = "sata_vddr",
 771         },
 772         {
 773                 .supply = "usb0_vdda18",
 774         },
 775         {
 776                 .supply = "usb1_vdda18",
 777         },
 778         {
 779                 .supply = "ddr_dvdd18",
 780         },
 781 };
 782
 783 /* 1.2V LDO */
 784 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 785         {
 786                 .supply = "sata_vdd",
 787         },
 788         {
 789                 .supply = "pll0_vdda",
 790         },
 791         {
 792                 .supply = "pll1_vdda",
 793         },
 794         {
 795                 .supply = "usbs_cvdd",
 796         },
 797         {
 798                 .supply = "vddarnwa1",
 799         },
 800 };
 801
 802 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 803 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 804         .defdcdc_default = true,
 805 };
 806
 807 static struct regulator_init_data tps65070_regulator_data[] = {
 808         /* dcdc1 */
 809         {
 810                 .constraints = {
 811                         .min_uV = 3150000,
 812                         .max_uV = 3450000,
 813                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 814                                 REGULATOR_CHANGE_STATUS),
 815                         .boot_on = 1,
 816                 },
 817                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 818                 .consumer_supplies = tps65070_dcdc1_consumers,
 819         },
 820
 821         /* dcdc2 */
 822         {
 823                 .constraints = {
 824                         .min_uV = 1710000,
 825                         .max_uV = 3450000,
 826                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 827                                 REGULATOR_CHANGE_STATUS),
 828                         .boot_on = 1,
 829                 },
 830                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 831                 .consumer_supplies = tps65070_dcdc2_consumers,
 832                 .driver_data = &tps6507x_platform_data,
 833         },
 834
 835         /* dcdc3 */
 836         {
 837                 .constraints = {
 838                         .min_uV = 950000,
 839                         .max_uV = 1350000,
 840                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 841                                 REGULATOR_CHANGE_STATUS),
 842                         .boot_on = 1,
 843                 },
 844                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 845                 .consumer_supplies = tps65070_dcdc3_consumers,
 846                 .driver_data = &tps6507x_platform_data,
 847         },
 848
 849         /* ldo1 */
 850         {
 851                 .constraints = {
 852                         .min_uV = 1710000,
 853                         .max_uV = 1890000,
 854                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 855                                 REGULATOR_CHANGE_STATUS),
 856                         .boot_on = 1,
 857                 },
 858                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 859                 .consumer_supplies = tps65070_ldo1_consumers,
 860         },
 861
 862         /* ldo2 */
 863         {
 864                 .constraints = {
 865                         .min_uV = 1140000,
 866                         .max_uV = 1320000,
 867                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 868                                 REGULATOR_CHANGE_STATUS),
 869                         .boot_on = 1,
 870                 },
 871                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 872                 .consumer_supplies = tps65070_ldo2_consumers,
 873         },
 874 };
 875
 876 static struct touchscreen_init_data tps6507x_touchscreen_data = {
 877         .poll_period =  30,     /* ms between touch samples */
 878         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
 879         .vref = 0,              /* turn off vref when not using A/D */
 880         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
 881         .product = 65070,       /* /sys/class/input/input?/id/product */
 882         .version = 0x100,       /* /sys/class/input/input?/id/version */
 883 };
 884
 885 static struct tps6507x_board tps_board = {
 886         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
 887         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 888 };
 889
 890 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
 891         {
 892                 I2C_BOARD_INFO("tps6507x", 0x48),
 893                 .platform_data = &tps_board,
 894         },
 895 };
 896
 897 static int __init pmic_tps65070_init(void)
 898 {
 899         return i2c_register_board_info(1, da850_evm_tps65070_info,
 900                                         ARRAY_SIZE(da850_evm_tps65070_info));
 901 }
 902
 903 static const short da850_evm_lcdc_pins[] = {
 904         DA850_GPIO2_8, DA850_GPIO2_15,
 905         -1
 906 };
 907
 908 static const short da850_evm_mii_pins[] = {
 909         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
 910         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
 911         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
 912         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
 913         DA850_MDIO_D,
 914         -1
 915 };
 916
 917 static const short da850_evm_rmii_pins[] = {
 918         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
 919         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
 920         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
 921         DA850_MDIO_D,
 922         -1
 923 };
 924
 925 static int __init da850_evm_config_emac(void)
 926 {
 927         void __iomem *cfg_chip3_base;
 928         int ret;
 929         u32 val;
 930         struct davinci_soc_info *soc_info = &davinci_soc_info;
 931         u8 rmii_en = soc_info->emac_pdata->rmii_en;
 932
 933         if (!machine_is_davinci_da850_evm())
 934                 return 0;
 935
 936         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
 937
 938         val = __raw_readl(cfg_chip3_base);
 939
 940         if (rmii_en) {
 941                 val |= BIT(8);
 942                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
 943                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
 944                                                         " functional\n");
 945         } else {
 946                 val &= ~BIT(8);
 947                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
 948                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
 949                                                         " functional\n");
 950         }
 951
 952         if (ret)
 953                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
 954                                 ret);
 955
 956         /* configure the CFGCHIP3 register for RMII or MII */
 957         __raw_writel(val, cfg_chip3_base);
 958
 959         ret = davinci_cfg_reg(DA850_GPIO2_6);
 960         if (ret)
 961                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
 962                                                         "failed\n");
 963
 964         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
 965         if (ret) {
 966                 pr_warning("Cannot open GPIO %d\n",
 967                                         DA850_MII_MDIO_CLKEN_PIN);
 968                 return ret;
 969         }
 970
 971         /* Enable/Disable MII MDIO clock */
 972         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
 973
 974         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
 975
 976         ret = da8xx_register_emac();
 977         if (ret)
 978                 pr_warning("da850_evm_init: emac registration failed: %d\n",
 979                                 ret);
 980
 981         return 0;
 982 }
 983 device_initcall(da850_evm_config_emac);
 984
 985 /*
 986  * The following EDMA channels/slots are not being used by drivers (for
 987  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
 988  * they are being reserved for codecs on the DSP side.
 989  */
 990 static const s16 da850_dma0_rsv_chans[][2] = {
 991         /* (offset, number) */
 992         { 8,  6},
 993         {24,  4},
 994         {30,  2},
 995         {-1, -1}
 996 };
 997
 998 static const s16 da850_dma0_rsv_slots[][2] = {
 999         /* (offset, number) */
1000         { 8,  6},
1001         {24,  4},
1002         {30, 50},
1003         {-1, -1}
1004 };
1005
1006 static const s16 da850_dma1_rsv_chans[][2] = {
1007         /* (offset, number) */
1008         { 0, 28},
1009         {30,  2},
1010         {-1, -1}
1011 };
1012
1013 static const s16 da850_dma1_rsv_slots[][2] = {
1014         /* (offset, number) */
1015         { 0, 28},
1016         {30, 90},
1017         {-1, -1}
1018 };
1019
1020 static struct edma_rsv_info da850_edma_cc0_rsv = {
1021         .rsv_chans      = da850_dma0_rsv_chans,
1022         .rsv_slots      = da850_dma0_rsv_slots,
1023 };
1024
1025 static struct edma_rsv_info da850_edma_cc1_rsv = {
1026         .rsv_chans      = da850_dma1_rsv_chans,
1027         .rsv_slots      = da850_dma1_rsv_slots,
1028 };
1029
1030 static struct edma_rsv_info *da850_edma_rsv[2] = {
1031         &da850_edma_cc0_rsv,
1032         &da850_edma_cc1_rsv,
1033 };
1034
1035 #ifdef CONFIG_CPU_FREQ
1036 static __init int da850_evm_init_cpufreq(void)
1037 {
1038         switch (system_rev & 0xF) {
1039         case 3:
1040                 da850_max_speed = 456000;
1041                 break;
1042         case 2:
1043                 da850_max_speed = 408000;
1044                 break;
1045         case 1:
1046                 da850_max_speed = 372000;
1047                 break;
1048         }
1049
1050         return da850_register_cpufreq("pll0_sysclk3");
1051 }
1052 #else
1053 static __init int da850_evm_init_cpufreq(void) { return 0; }
1054 #endif
1055
1056 static __init void da850_evm_init(void)
1057 {
1058         int ret;
1059
1060         ret = pmic_tps65070_init();
1061         if (ret)
1062                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
1063                                 ret);
1064
1065         ret = da850_register_edma(da850_edma_rsv);
1066         if (ret)
1067                 pr_warning("da850_evm_init: edma registration failed: %d\n",
1068                                 ret);
1069
1070         ret = davinci_cfg_reg_list(da850_i2c0_pins);
1071         if (ret)
1072                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
1073                                 ret);
1074
1075         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1076         if (ret)
1077                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
1078                                 ret);
1079
1080
1081         ret = da8xx_register_watchdog();
1082         if (ret)
1083                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
1084                                 ret);
1085
1086         if (HAS_MMC) {
1087                 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1088                 if (ret)
1089                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
1090                                         " %d\n", ret);
1091
1092                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
1093                 if (ret)
1094                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1095                                         DA850_MMCSD_CD_PIN);
1096                 gpio_direction_input(DA850_MMCSD_CD_PIN);
1097
1098                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
1099                 if (ret)
1100                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1101                                         DA850_MMCSD_WP_PIN);
1102                 gpio_direction_input(DA850_MMCSD_WP_PIN);
1103
1104                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1105                 if (ret)
1106                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
1107                                         " %d\n", ret);
1108         }
1109
1110         davinci_serial_init(&da850_evm_uart_config);
1111
1112         i2c_register_board_info(1, da850_evm_i2c_devices,
1113                         ARRAY_SIZE(da850_evm_i2c_devices));
1114
1115         /*
1116          * shut down uart 0 and 1; they are not used on the board and
1117          * accessing them causes endless "too much work in irq53" messages
1118          * with arago fs
1119          */
1120         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1121         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1122
1123         ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1124         if (ret)
1125                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
1126                                 ret);
1127
1128         da8xx_register_mcasp(0, &da850_evm_snd_data);
1129
1130         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1131         if (ret)
1132                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
1133                                 ret);
1134
1135         /* Handle board specific muxing for LCD here */
1136         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1137         if (ret)
1138                 pr_warning("da850_evm_init: evm specific lcd mux setup "
1139                                 "failed: %d\n", ret);
1140
1141         ret = da850_lcd_hw_init();
1142         if (ret)
1143                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
1144                                 ret);
1145
1146         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
1147         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1148         if (ret)
1149                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
1150                                 ret);
1151
1152         ret = da8xx_register_rtc();
1153         if (ret)
1154                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
1155
1156         ret = da850_evm_init_cpufreq();
1157         if (ret)
1158                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
1159                                 ret);
1160
1161         ret = da8xx_register_cpuidle();
1162         if (ret)
1163                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
1164                                 ret);
1165
1166         ret = da850_register_pm(&da850_pm_device);
1167         if (ret)
1168                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
1169                                 ret);
1170 }
1171
1172 #ifdef CONFIG_SERIAL_8250_CONSOLE
1173 static int __init da850_evm_console_init(void)
1174 {
1175         if (!machine_is_davinci_da850_evm())
1176                 return 0;
1177
1178         return add_preferred_console("ttyS", 2, "115200");
1179 }
1180 console_initcall(da850_evm_console_init);
1181 #endif
1182
1183 static void __init da850_evm_map_io(void)
1184 {
1185         da850_init();
1186 }
1187
1188 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1189         .boot_params    = (DA8XX_DDR_BASE + 0x100),
1190         .map_io         = da850_evm_map_io,
1191         .init_irq       = cp_intc_init,
1192         .timer          = &davinci_timer,
1193         .init_machine   = da850_evm_init,
1194 MACHINE_END