board/ti/dra7xx/evm.c

   1 /*
   2  * (C) Copyright 2013
   3  * Texas Instruments Incorporated, <www.ti.com>
   4  *
   5  * Lokesh Vutla <lokeshvutla@ti.com>
   6  *
   7  * Based on previous work by:
   8  * Aneesh V       <aneesh@ti.com>
   9  * Steve Sakoman  <steve@sakoman.com>
  10  *
  11  * SPDX-License-Identifier:     GPL-2.0+
  12  */
  13 #include <common.h>
  14 #include <palmas.h>
  15 #include <sata.h>
  16 #include <linux/string.h>
  17 #include <asm/gpio.h>
  18 #include <usb.h>
  19 #include <linux/usb/gadget.h>
  20 #include <asm/arch/gpio.h>
  21 #include <asm/arch/dra7xx_iodelay.h>
  22 #include <asm/emif.h>
  23 #include <asm/arch/sys_proto.h>
  24 #include <asm/arch/mmc_host_def.h>
  25 #include <asm/arch/sata.h>
  26 #include <environment.h>
  27 #include <dwc3-uboot.h>
  28 #include <dwc3-omap-uboot.h>
  29 #include <ti-usb-phy-uboot.h>
  30
  31 #include "mux_data.h"
  32 #include "../common/board_detect.h"
  33
  34 #define board_is_dra74x_evm()           board_ti_is("5777xCPU")
  35 #define board_is_dra74x_revh_or_later() board_is_dra74x_evm() &&        \
  36                                 (strncmp("H", board_ti_get_rev(), 1) <= 0)
  37 #define board_ti_get_emif_size()        board_ti_get_emif1_size() +     \
  38                                         board_ti_get_emif2_size()
  39
  40 #ifdef CONFIG_DRIVER_TI_CPSW
  41 #include <cpsw.h>
  42 #endif
  43
  44 DECLARE_GLOBAL_DATA_PTR;
  45
  46 /* GPIO 7_11 */
  47 #define GPIO_DDR_VTT_EN 203
  48
  49 #define SYSINFO_BOARD_NAME_MAX_LEN      37
  50
  51 const struct omap_sysinfo sysinfo = {
  52         "Board: UNKNOWN(DRA7 EVM) REV UNKNOWN\n"
  53 };
  54
  55 static const struct emif_regs emif1_ddr3_532_mhz_1cs = {
  56         .sdram_config_init              = 0x61851ab2,
  57         .sdram_config                   = 0x61851ab2,
  58         .sdram_config2                  = 0x08000000,
  59         .ref_ctrl                       = 0x000040F1,
  60         .ref_ctrl_final                 = 0x00001035,
  61         .sdram_tim1                     = 0xCCCF36B3,
  62         .sdram_tim2                     = 0x308F7FDA,
  63         .sdram_tim3                     = 0x427F88A8,
  64         .read_idle_ctrl                 = 0x00050000,
  65         .zq_config                      = 0x0007190B,
  66         .temp_alert_config              = 0x00000000,
  67         .emif_ddr_phy_ctlr_1_init       = 0x0024400B,
  68         .emif_ddr_phy_ctlr_1            = 0x0E24400B,
  69         .emif_ddr_ext_phy_ctrl_1        = 0x10040100,
  70         .emif_ddr_ext_phy_ctrl_2        = 0x00910091,
  71         .emif_ddr_ext_phy_ctrl_3        = 0x00950095,
  72         .emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
  73         .emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
  74         .emif_rd_wr_lvl_rmp_win         = 0x00000000,
  75         .emif_rd_wr_lvl_rmp_ctl         = 0x80000000,
  76         .emif_rd_wr_lvl_ctl             = 0x00000000,
  77         .emif_rd_wr_exec_thresh         = 0x00000305
  78 };
  79
  80 static const struct emif_regs emif2_ddr3_532_mhz_1cs = {
  81         .sdram_config_init              = 0x61851B32,
  82         .sdram_config                   = 0x61851B32,
  83         .sdram_config2                  = 0x08000000,
  84         .ref_ctrl                       = 0x000040F1,
  85         .ref_ctrl_final                 = 0x00001035,
  86         .sdram_tim1                     = 0xCCCF36B3,
  87         .sdram_tim2                     = 0x308F7FDA,
  88         .sdram_tim3                     = 0x427F88A8,
  89         .read_idle_ctrl                 = 0x00050000,
  90         .zq_config                      = 0x0007190B,
  91         .temp_alert_config              = 0x00000000,
  92         .emif_ddr_phy_ctlr_1_init       = 0x0024400B,
  93         .emif_ddr_phy_ctlr_1            = 0x0E24400B,
  94         .emif_ddr_ext_phy_ctrl_1        = 0x10040100,
  95         .emif_ddr_ext_phy_ctrl_2        = 0x00910091,
  96         .emif_ddr_ext_phy_ctrl_3        = 0x00950095,
  97         .emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
  98         .emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
  99         .emif_rd_wr_lvl_rmp_win         = 0x00000000,
 100         .emif_rd_wr_lvl_rmp_ctl         = 0x80000000,
 101         .emif_rd_wr_lvl_ctl             = 0x00000000,
 102         .emif_rd_wr_exec_thresh         = 0x00000305
 103 };
 104
 105 static const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = {
 106         .sdram_config_init              = 0x61862B32,
 107         .sdram_config                   = 0x61862B32,
 108         .sdram_config2                  = 0x08000000,
 109         .ref_ctrl                       = 0x0000514C,
 110         .ref_ctrl_final                 = 0x0000144A,
 111         .sdram_tim1                     = 0xD113781C,
 112         .sdram_tim2                     = 0x30717FE3,
 113         .sdram_tim3                     = 0x409F86A8,
 114         .read_idle_ctrl                 = 0x00050000,
 115         .zq_config                      = 0x5007190B,
 116         .temp_alert_config              = 0x00000000,
 117         .emif_ddr_phy_ctlr_1_init       = 0x0024400D,
 118         .emif_ddr_phy_ctlr_1            = 0x0E24400D,
 119         .emif_ddr_ext_phy_ctrl_1        = 0x10040100,
 120         .emif_ddr_ext_phy_ctrl_2        = 0x00A400A4,
 121         .emif_ddr_ext_phy_ctrl_3        = 0x00A900A9,
 122         .emif_ddr_ext_phy_ctrl_4        = 0x00B000B0,
 123         .emif_ddr_ext_phy_ctrl_5        = 0x00B000B0,
 124         .emif_rd_wr_lvl_rmp_win         = 0x00000000,
 125         .emif_rd_wr_lvl_rmp_ctl         = 0x80000000,
 126         .emif_rd_wr_lvl_ctl             = 0x00000000,
 127         .emif_rd_wr_exec_thresh         = 0x00000305
 128 };
 129
 130 const struct emif_regs emif1_ddr3_532_mhz_1cs_2G = {
 131         .sdram_config_init              = 0x61851ab2,
 132         .sdram_config                   = 0x61851ab2,
 133         .sdram_config2                  = 0x08000000,
 134         .ref_ctrl                       = 0x000040F1,
 135         .ref_ctrl_final                 = 0x00001035,
 136         .sdram_tim1                     = 0xCCCF36B3,
 137         .sdram_tim2                     = 0x30BF7FDA,
 138         .sdram_tim3                     = 0x427F8BA8,
 139         .read_idle_ctrl                 = 0x00050000,
 140         .zq_config                      = 0x0007190B,
 141         .temp_alert_config              = 0x00000000,
 142         .emif_ddr_phy_ctlr_1_init       = 0x0024400B,
 143         .emif_ddr_phy_ctlr_1            = 0x0E24400B,
 144         .emif_ddr_ext_phy_ctrl_1        = 0x10040100,
 145         .emif_ddr_ext_phy_ctrl_2        = 0x00910091,
 146         .emif_ddr_ext_phy_ctrl_3        = 0x00950095,
 147         .emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
 148         .emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
 149         .emif_rd_wr_lvl_rmp_win         = 0x00000000,
 150         .emif_rd_wr_lvl_rmp_ctl         = 0x80000000,
 151         .emif_rd_wr_lvl_ctl             = 0x00000000,
 152         .emif_rd_wr_exec_thresh         = 0x00000305
 153 };
 154
 155 const struct emif_regs emif2_ddr3_532_mhz_1cs_2G = {
 156         .sdram_config_init              = 0x61851B32,
 157         .sdram_config                   = 0x61851B32,
 158         .sdram_config2                  = 0x08000000,
 159         .ref_ctrl                       = 0x000040F1,
 160         .ref_ctrl_final                 = 0x00001035,
 161         .sdram_tim1                     = 0xCCCF36B3,
 162         .sdram_tim2                     = 0x308F7FDA,
 163         .sdram_tim3                     = 0x427F88A8,
 164         .read_idle_ctrl                 = 0x00050000,
 165         .zq_config                      = 0x0007190B,
 166         .temp_alert_config              = 0x00000000,
 167         .emif_ddr_phy_ctlr_1_init       = 0x0024400B,
 168         .emif_ddr_phy_ctlr_1            = 0x0E24400B,
 169         .emif_ddr_ext_phy_ctrl_1        = 0x10040100,
 170         .emif_ddr_ext_phy_ctrl_2        = 0x00910091,
 171         .emif_ddr_ext_phy_ctrl_3        = 0x00950095,
 172         .emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
 173         .emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
 174         .emif_rd_wr_lvl_rmp_win         = 0x00000000,
 175         .emif_rd_wr_lvl_rmp_ctl         = 0x80000000,
 176         .emif_rd_wr_lvl_ctl             = 0x00000000,
 177         .emif_rd_wr_exec_thresh         = 0x00000305
 178 };
 179
 180 void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
 181 {
 182         u64 ram_size;
 183
 184         ram_size = board_ti_get_emif_size();
 185
 186         switch (omap_revision()) {
 187         case DRA752_ES1_0:
 188         case DRA752_ES1_1:
 189         case DRA752_ES2_0:
 190                 switch (emif_nr) {
 191                 case 1:
 192                         if (ram_size > CONFIG_MAX_MEM_MAPPED)
 193                                 *regs = &emif1_ddr3_532_mhz_1cs_2G;
 194                         else
 195                                 *regs = &emif1_ddr3_532_mhz_1cs;
 196                         break;
 197                 case 2:
 198                         if (ram_size > CONFIG_MAX_MEM_MAPPED)
 199                                 *regs = &emif2_ddr3_532_mhz_1cs_2G;
 200                         else
 201                                 *regs = &emif2_ddr3_532_mhz_1cs;
 202                         break;
 203                 }
 204                 break;
 205         case DRA722_ES1_0:
 206                 *regs = &emif_1_regs_ddr3_666_mhz_1cs_dra_es1;
 207                 break;
 208         default:
 209                 *regs = &emif1_ddr3_532_mhz_1cs;
 210         }
 211 }
 212
 213 static const struct dmm_lisa_map_regs lisa_map_dra7_1536MB = {
 214         .dmm_lisa_map_0 = 0x0,
 215         .dmm_lisa_map_1 = 0x80640300,
 216         .dmm_lisa_map_2 = 0xC0500220,
 217         .dmm_lisa_map_3 = 0xFF020100,
 218         .is_ma_present  = 0x1
 219 };
 220
 221 static const struct dmm_lisa_map_regs lisa_map_2G_x_2 = {
 222         .dmm_lisa_map_0 = 0x0,
 223         .dmm_lisa_map_1 = 0x0,
 224         .dmm_lisa_map_2 = 0x80600100,
 225         .dmm_lisa_map_3 = 0xFF020100,
 226         .is_ma_present  = 0x1
 227 };
 228
 229 const struct dmm_lisa_map_regs lisa_map_dra7_2GB = {
 230         .dmm_lisa_map_0 = 0x0,
 231         .dmm_lisa_map_1 = 0x0,
 232         .dmm_lisa_map_2 = 0x80740300,
 233         .dmm_lisa_map_3 = 0xFF020100,
 234         .is_ma_present  = 0x1
 235 };
 236
 237 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
 238 {
 239         u64 ram_size;
 240
 241         ram_size = board_ti_get_emif_size();
 242
 243         switch (omap_revision()) {
 244         case DRA752_ES1_0:
 245         case DRA752_ES1_1:
 246         case DRA752_ES2_0:
 247                 if (ram_size > CONFIG_MAX_MEM_MAPPED)
 248                         *dmm_lisa_regs = &lisa_map_dra7_2GB;
 249                 else
 250                         *dmm_lisa_regs = &lisa_map_dra7_1536MB;
 251                 break;
 252         case DRA722_ES1_0:
 253         default:
 254                 *dmm_lisa_regs = &lisa_map_2G_x_2;
 255         }
 256 }
 257
 258 /**
 259  * @brief board_init
 260  *
 261  * @return 0
 262  */
 263 int board_init(void)
 264 {
 265         gpmc_init();
 266         gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
 267
 268         return 0;
 269 }
 270
 271 int board_late_init(void)
 272 {
 273 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 274         char *name = "unknown";
 275
 276         if (is_dra72x())
 277                 name = "dra72x";
 278         else
 279                 name = "dra7xx";
 280
 281         set_board_info_env(name);
 282
 283         omap_die_id_serial();
 284 #endif
 285         return 0;
 286 }
 287
 288 #ifdef CONFIG_SPL_BUILD
 289 void do_board_detect(void)
 290 {
 291         int rc;
 292
 293         rc = ti_i2c_eeprom_dra7_get(CONFIG_EEPROM_BUS_ADDRESS,
 294                                     CONFIG_EEPROM_CHIP_ADDRESS);
 295         if (rc)
 296                 printf("ti_i2c_eeprom_init failed %d\n", rc);
 297 }
 298
 299 #else
 300
 301 void do_board_detect(void)
 302 {
 303         char *bname = NULL;
 304         int rc;
 305
 306         rc = ti_i2c_eeprom_dra7_get(CONFIG_EEPROM_BUS_ADDRESS,
 307                                     CONFIG_EEPROM_CHIP_ADDRESS);
 308         if (rc)
 309                 printf("ti_i2c_eeprom_init failed %d\n", rc);
 310
 311         if (board_is_dra74x_evm()) {
 312                 bname = "DRA74x EVM";
 313         /* If EEPROM is not populated */
 314         } else {
 315                 if (is_dra72x())
 316                         bname = "DRA72x EVM";
 317                 else
 318                         bname = "DRA74x EVM";
 319         }
 320
 321         if (bname)
 322                 snprintf(sysinfo.board_string, SYSINFO_BOARD_NAME_MAX_LEN,
 323                          "Board: %s REV %s\n", bname, board_ti_get_rev());
 324 }
 325 #endif  /* CONFIG_SPL_BUILD */
 326
 327 void set_muxconf_regs_essential(void)
 328 {
 329         do_set_mux32((*ctrl)->control_padconf_core_base,
 330                      early_padconf, ARRAY_SIZE(early_padconf));
 331 }
 332
 333 #ifdef CONFIG_IODELAY_RECALIBRATION
 334 void recalibrate_iodelay(void)
 335 {
 336         struct pad_conf_entry const *pads;
 337         struct iodelay_cfg_entry const *iodelay;
 338         int npads, niodelays;
 339
 340         switch (omap_revision()) {
 341         case DRA722_ES1_0:
 342                 pads = core_padconf_array_essential;
 343                 npads = ARRAY_SIZE(core_padconf_array_essential);
 344                 iodelay = iodelay_cfg_array;
 345                 niodelays = ARRAY_SIZE(iodelay_cfg_array);
 346                 break;
 347         case DRA752_ES1_0:
 348         case DRA752_ES1_1:
 349                 pads = dra74x_core_padconf_array;
 350                 npads = ARRAY_SIZE(dra74x_core_padconf_array);
 351                 iodelay = dra742_es1_1_iodelay_cfg_array;
 352                 niodelays = ARRAY_SIZE(dra742_es1_1_iodelay_cfg_array);
 353                 break;
 354         default:
 355         case DRA752_ES2_0:
 356                 pads = dra74x_core_padconf_array;
 357                 npads = ARRAY_SIZE(dra74x_core_padconf_array);
 358                 iodelay = dra742_es2_0_iodelay_cfg_array;
 359                 niodelays = ARRAY_SIZE(dra742_es2_0_iodelay_cfg_array);
 360                 /* Setup port1 and port2 for rgmii with 'no-id' mode */
 361                 clrset_spare_register(1, 0, RGMII2_ID_MODE_N_MASK |
 362                                       RGMII1_ID_MODE_N_MASK);
 363                 break;
 364         }
 365         __recalibrate_iodelay(pads, npads, iodelay, niodelays);
 366 }
 367 #endif
 368
 369 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
 370 int board_mmc_init(bd_t *bis)
 371 {
 372         omap_mmc_init(0, 0, 0, -1, -1);
 373         omap_mmc_init(1, 0, 0, -1, -1);
 374         return 0;
 375 }
 376 #endif
 377
 378 #ifdef CONFIG_USB_DWC3
 379 static struct dwc3_device usb_otg_ss1 = {
 380         .maximum_speed = USB_SPEED_SUPER,
 381         .base = DRA7_USB_OTG_SS1_BASE,
 382         .tx_fifo_resize = false,
 383         .index = 0,
 384 };
 385
 386 static struct dwc3_omap_device usb_otg_ss1_glue = {
 387         .base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE,
 388         .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
 389         .index = 0,
 390 };
 391
 392 static struct ti_usb_phy_device usb_phy1_device = {
 393         .pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL,
 394         .usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER,
 395         .usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER,
 396         .index = 0,
 397 };
 398
 399 static struct dwc3_device usb_otg_ss2 = {
 400         .maximum_speed = USB_SPEED_SUPER,
 401         .base = DRA7_USB_OTG_SS2_BASE,
 402         .tx_fifo_resize = false,
 403         .index = 1,
 404 };
 405
 406 static struct dwc3_omap_device usb_otg_ss2_glue = {
 407         .base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE,
 408         .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
 409         .index = 1,
 410 };
 411
 412 static struct ti_usb_phy_device usb_phy2_device = {
 413         .usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER,
 414         .index = 1,
 415 };
 416
 417 int board_usb_init(int index, enum usb_init_type init)
 418 {
 419         enable_usb_clocks(index);
 420         switch (index) {
 421         case 0:
 422                 if (init == USB_INIT_DEVICE) {
 423                         usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL;
 424                         usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
 425                 } else {
 426                         usb_otg_ss1.dr_mode = USB_DR_MODE_HOST;
 427                         usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
 428                 }
 429
 430                 ti_usb_phy_uboot_init(&usb_phy1_device);
 431                 dwc3_omap_uboot_init(&usb_otg_ss1_glue);
 432                 dwc3_uboot_init(&usb_otg_ss1);
 433                 break;
 434         case 1:
 435                 if (init == USB_INIT_DEVICE) {
 436                         usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
 437                         usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
 438                 } else {
 439                         usb_otg_ss2.dr_mode = USB_DR_MODE_HOST;
 440                         usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
 441                 }
 442
 443                 ti_usb_phy_uboot_init(&usb_phy2_device);
 444                 dwc3_omap_uboot_init(&usb_otg_ss2_glue);
 445                 dwc3_uboot_init(&usb_otg_ss2);
 446                 break;
 447         default:
 448                 printf("Invalid Controller Index\n");
 449         }
 450
 451         return 0;
 452 }
 453
 454 int board_usb_cleanup(int index, enum usb_init_type init)
 455 {
 456         switch (index) {
 457         case 0:
 458         case 1:
 459                 ti_usb_phy_uboot_exit(index);
 460                 dwc3_uboot_exit(index);
 461                 dwc3_omap_uboot_exit(index);
 462                 break;
 463         default:
 464                 printf("Invalid Controller Index\n");
 465         }
 466         disable_usb_clocks(index);
 467         return 0;
 468 }
 469
 470 int usb_gadget_handle_interrupts(int index)
 471 {
 472         u32 status;
 473
 474         status = dwc3_omap_uboot_interrupt_status(index);
 475         if (status)
 476                 dwc3_uboot_handle_interrupt(index);
 477
 478         return 0;
 479 }
 480 #endif
 481
 482 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT)
 483 int spl_start_uboot(void)
 484 {
 485         /* break into full u-boot on 'c' */
 486         if (serial_tstc() && serial_getc() == 'c')
 487                 return 1;
 488
 489 #ifdef CONFIG_SPL_ENV_SUPPORT
 490         env_init();
 491         env_relocate_spec();
 492         if (getenv_yesno("boot_os") != 1)
 493                 return 1;
 494 #endif
 495
 496         return 0;
 497 }
 498 #endif
 499
 500 #ifdef CONFIG_DRIVER_TI_CPSW
 501 extern u32 *const omap_si_rev;
 502
 503 static void cpsw_control(int enabled)
 504 {
 505         /* VTP can be added here */
 506
 507         return;
 508 }
 509
 510 static struct cpsw_slave_data cpsw_slaves[] = {
 511         {
 512                 .slave_reg_ofs  = 0x208,
 513                 .sliver_reg_ofs = 0xd80,
 514                 .phy_addr       = 2,
 515         },
 516         {
 517                 .slave_reg_ofs  = 0x308,
 518                 .sliver_reg_ofs = 0xdc0,
 519                 .phy_addr       = 3,
 520         },
 521 };
 522
 523 static struct cpsw_platform_data cpsw_data = {
 524         .mdio_base              = CPSW_MDIO_BASE,
 525         .cpsw_base              = CPSW_BASE,
 526         .mdio_div               = 0xff,
 527         .channels               = 8,
 528         .cpdma_reg_ofs          = 0x800,
 529         .slaves                 = 2,
 530         .slave_data             = cpsw_slaves,
 531         .ale_reg_ofs            = 0xd00,
 532         .ale_entries            = 1024,
 533         .host_port_reg_ofs      = 0x108,
 534         .hw_stats_reg_ofs       = 0x900,
 535         .bd_ram_ofs             = 0x2000,
 536         .mac_control            = (1 << 5),
 537         .control                = cpsw_control,
 538         .host_port_num          = 0,
 539         .version                = CPSW_CTRL_VERSION_2,
 540 };
 541
 542 int board_eth_init(bd_t *bis)
 543 {
 544         int ret;
 545         uint8_t mac_addr[6];
 546         uint32_t mac_hi, mac_lo;
 547         uint32_t ctrl_val;
 548
 549         /* try reading mac address from efuse */
 550         mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);
 551         mac_hi = readl((*ctrl)->control_core_mac_id_0_hi);
 552         mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
 553         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 554         mac_addr[2] = mac_hi & 0xFF;
 555         mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
 556         mac_addr[4] = (mac_lo & 0xFF00) >> 8;
 557         mac_addr[5] = mac_lo & 0xFF;
 558
 559         if (!getenv("ethaddr")) {
 560                 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 561
 562                 if (is_valid_ethaddr(mac_addr))
 563                         eth_setenv_enetaddr("ethaddr", mac_addr);
 564         }
 565
 566         mac_lo = readl((*ctrl)->control_core_mac_id_1_lo);
 567         mac_hi = readl((*ctrl)->control_core_mac_id_1_hi);
 568         mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
 569         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 570         mac_addr[2] = mac_hi & 0xFF;
 571         mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
 572         mac_addr[4] = (mac_lo & 0xFF00) >> 8;
 573         mac_addr[5] = mac_lo & 0xFF;
 574
 575         if (!getenv("eth1addr")) {
 576                 if (is_valid_ethaddr(mac_addr))
 577                         eth_setenv_enetaddr("eth1addr", mac_addr);
 578         }
 579
 580         ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33);
 581         ctrl_val |= 0x22;
 582         writel(ctrl_val, (*ctrl)->control_core_control_io1);
 583
 584         if (*omap_si_rev == DRA722_ES1_0)
 585                 cpsw_data.active_slave = 1;
 586
 587         ret = cpsw_register(&cpsw_data);
 588         if (ret < 0)
 589                 printf("Error %d registering CPSW switch\n", ret);
 590
 591         return ret;
 592 }
 593 #endif
 594
 595 #ifdef CONFIG_BOARD_EARLY_INIT_F
 596 /* VTT regulator enable */
 597 static inline void vtt_regulator_enable(void)
 598 {
 599         if (omap_hw_init_context() == OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)
 600                 return;
 601
 602         /* Do not enable VTT for DRA722 */
 603         if (omap_revision() == DRA722_ES1_0)
 604                 return;
 605
 606         /*
 607          * EVM Rev G and later use gpio7_11 for DDR3 termination.
 608          * This is safe enough to do on older revs.
 609          */
 610         gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
 611         gpio_direction_output(GPIO_DDR_VTT_EN, 1);
 612 }
 613
 614 int board_early_init_f(void)
 615 {
 616         vtt_regulator_enable();
 617         return 0;
 618 }
 619 #endif