board/BuR/common/common.c

   1 /*
   2  * common.c
   3  *
   4  * common board functions for B&R boards
   5  *
   6  * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at>
   7  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  *
  11  */
  12 #include <version.h>
  13 #include <common.h>
  14 #include <errno.h>
  15 #include <spl.h>
  16 #include <asm/arch/cpu.h>
  17 #include <asm/arch/hardware.h>
  18 #include <asm/arch/omap.h>
  19 #include <asm/arch/clock.h>
  20 #include <asm/arch/gpio.h>
  21 #include <asm/arch/sys_proto.h>
  22 #include <asm/arch/mmc_host_def.h>
  23 #include <asm/io.h>
  24 #include <asm/gpio.h>
  25 #include <i2c.h>
  26 #include <miiphy.h>
  27 #include <cpsw.h>
  28 #include <power/tps65217.h>
  29 #include <lcd.h>
  30 #include <fs.h>
  31 #ifdef CONFIG_USE_FDT
  32   #include <fdt_support.h>
  33 #endif
  34 #include "bur_common.h"
  35 #include "../../../drivers/video/am335x-fb.h"
  36
  37 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  38
  39 DECLARE_GLOBAL_DATA_PTR;
  40
  41 #ifdef CONFIG_USE_FDT
  42   #define FDTPROP(a, b, c) fdt_getprop_u32_default((void *)a, b, c, ~0UL)
  43   #define PATHTIM "/panel/display-timings/default"
  44   #define PATHINF "/panel/panel-info"
  45 #endif
  46 /* --------------------------------------------------------------------------*/
  47 #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
  48         !defined(CONFIG_SPL_BUILD)
  49 int load_lcdtiming(struct am335x_lcdpanel *panel)
  50 {
  51         struct am335x_lcdpanel pnltmp;
  52 #ifdef CONFIG_USE_FDT
  53         u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
  54         u32 dtbprop;
  55
  56         if (dtbaddr == ~0UL) {
  57                 puts("load_lcdtiming: failed to get 'dtbaddr' from env!\n");
  58                 return -1;
  59         }
  60         memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
  61
  62         pnltmp.hactive = FDTPROP(dtbaddr, PATHTIM, "hactive");
  63         pnltmp.vactive = FDTPROP(dtbaddr, PATHTIM, "vactive");
  64         pnltmp.bpp = FDTPROP(dtbaddr, PATHINF, "bpp");
  65         pnltmp.hfp = FDTPROP(dtbaddr, PATHTIM, "hfront-porch");
  66         pnltmp.hbp = FDTPROP(dtbaddr, PATHTIM, "hback-porch");
  67         pnltmp.hsw = FDTPROP(dtbaddr, PATHTIM, "hsync-len");
  68         pnltmp.vfp = FDTPROP(dtbaddr, PATHTIM, "vfront-porch");
  69         pnltmp.vbp = FDTPROP(dtbaddr, PATHTIM, "vback-porch");
  70         pnltmp.vsw = FDTPROP(dtbaddr, PATHTIM, "vsync-len");
  71         pnltmp.pup_delay = FDTPROP(dtbaddr, PATHTIM, "pupdelay");
  72         pnltmp.pon_delay = FDTPROP(dtbaddr, PATHTIM, "pondelay");
  73
  74         /* calc. proper clk-divisor */
  75         dtbprop = FDTPROP(dtbaddr, PATHTIM, "clock-frequency");
  76         if (dtbprop != ~0UL)
  77                 pnltmp.pxl_clk_div = 192000000 / dtbprop;
  78         else
  79                 pnltmp.pxl_clk_div = ~0UL;
  80
  81         /* check polarity of control-signals */
  82         dtbprop = FDTPROP(dtbaddr, PATHTIM, "hsync-active");
  83         if (dtbprop == 0)
  84                 pnltmp.pol |= HSYNC_INVERT;
  85         dtbprop = FDTPROP(dtbaddr, PATHTIM, "vsync-active");
  86         if (dtbprop == 0)
  87                 pnltmp.pol |= VSYNC_INVERT;
  88         dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-ctrl");
  89         if (dtbprop == 1)
  90                 pnltmp.pol |= HSVS_CONTROL;
  91         dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-edge");
  92         if (dtbprop == 1)
  93                 pnltmp.pol |= HSVS_RISEFALL;
  94         dtbprop = FDTPROP(dtbaddr, PATHTIM, "pixelclk-active");
  95         if (dtbprop == 0)
  96                 pnltmp.pol |= PXCLK_INVERT;
  97         dtbprop = FDTPROP(dtbaddr, PATHTIM, "de-active");
  98         if (dtbprop == 0)
  99                 pnltmp.pol |= DE_INVERT;
 100 #else
 101         pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
 102         pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
 103         pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
 104         pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
 105         pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
 106         pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
 107         pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
 108         pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
 109         pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
 110         pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
 111         pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
 112         pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
 113         pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
 114 #endif
 115         if (
 116            ~0UL == (pnltmp.hactive) ||
 117            ~0UL == (pnltmp.vactive) ||
 118            ~0UL == (pnltmp.bpp) ||
 119            ~0UL == (pnltmp.hfp) ||
 120            ~0UL == (pnltmp.hbp) ||
 121            ~0UL == (pnltmp.hsw) ||
 122            ~0UL == (pnltmp.vfp) ||
 123            ~0UL == (pnltmp.vbp) ||
 124            ~0UL == (pnltmp.vsw) ||
 125            ~0UL == (pnltmp.pxl_clk_div) ||
 126            ~0UL == (pnltmp.pol) ||
 127            ~0UL == (pnltmp.pup_delay) ||
 128            ~0UL == (pnltmp.pon_delay)
 129            ) {
 130                 puts("lcd-settings in env/dtb incomplete!\n");
 131                 printf("display-timings:\n"
 132                         "================\n"
 133                         "hactive: %d\n"
 134                         "vactive: %d\n"
 135                         "bpp    : %d\n"
 136                         "hfp    : %d\n"
 137                         "hbp    : %d\n"
 138                         "hsw    : %d\n"
 139                         "vfp    : %d\n"
 140                         "vbp    : %d\n"
 141                         "vsw    : %d\n"
 142                         "pxlclk : %d\n"
 143                         "pol    : 0x%08x\n"
 144                         "pondly : %d\n",
 145                         pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
 146                         pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
 147                         pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
 148                         pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
 149
 150                 return -1;
 151         }
 152         debug("lcd-settings in env complete, taking over.\n");
 153         memcpy((void *)panel,
 154                (void *)&pnltmp,
 155                sizeof(struct am335x_lcdpanel));
 156
 157         return 0;
 158 }
 159
 160 #ifdef CONFIG_USE_FDT
 161 static int load_devicetree(void)
 162 {
 163         char *dtbname = getenv("dtb");
 164         char *dtbdev = getenv("dtbdev");
 165         char *dtppart = getenv("dtbpart");
 166         u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
 167         loff_t dtbsize;
 168
 169         if (!dtbdev || !dtbdev) {
 170                 puts("load_devicetree: <dtbdev>/<dtbpart> missing.\n");
 171                 return -1;
 172         }
 173
 174         if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
 175                 puts("load_devicetree: set_blk_dev failed.\n");
 176                 return -1;
 177         }
 178         if (dtbname && dtbaddr != ~0UL) {
 179                 if (fs_read(dtbname, dtbaddr, 0, 0, &dtbsize) == 0) {
 180                         gd->fdt_blob = (void *)dtbaddr;
 181                         gd->fdt_size = dtbsize;
 182                         debug("loaded %d bytes of dtb onto 0x%08x\n",
 183                               (u32)dtbsize, dtbaddr);
 184                         return dtbsize;
 185                 }
 186                 puts("load_devicetree: load dtb failed,file does not exist!\n");
 187         }
 188
 189         puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
 190         return -1;
 191 }
 192
 193 static const char *dtbmacaddr(u32 ifno)
 194 {
 195         int node, len;
 196         char enet[16];
 197         const char *mac;
 198         const char *path;
 199         u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
 200
 201         if (dtbaddr == ~0UL) {
 202                 puts("dtbmacaddr: failed to get 'dtbaddr' from env!\n");
 203                 return NULL;
 204         }
 205
 206         node = fdt_path_offset((void *)dtbaddr, "/aliases");
 207         if (node < 0)
 208                 return NULL;
 209
 210         sprintf(enet, "ethernet%d", ifno);
 211         path = fdt_getprop((void *)dtbaddr, node, enet, NULL);
 212         if (!path) {
 213                 printf("no alias for %s\n", enet);
 214                 return NULL;
 215         }
 216
 217         node = fdt_path_offset((void *)dtbaddr, path);
 218         mac = fdt_getprop((void *)dtbaddr, node, "mac-address", &len);
 219         if (mac && is_valid_ether_addr((u8 *)mac))
 220                 return mac;
 221
 222         return NULL;
 223 }
 224
 225 static void br_summaryscreen_printdtb(char *prefix,
 226                                        char *name,
 227                                        char *suffix)
 228 {
 229         u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
 230         char buf[32] = { 0 };
 231         const char *nodep = buf;
 232         char *mac = 0;
 233         int nodeoffset;
 234         int len;
 235
 236         if (dtbaddr == ~0UL) {
 237                 puts("br_summaryscreen: failed to get 'dtbaddr' from env!\n");
 238                 return;
 239         }
 240
 241         if (strcmp(name, "brmac1") == 0) {
 242                 mac = (char *)dtbmacaddr(0);
 243                 if (mac)
 244                         sprintf(buf, "%pM", mac);
 245         } else if (strcmp(name, "brmac2") == 0) {
 246                 mac =  (char *)dtbmacaddr(1);
 247                 if (mac)
 248                         sprintf(buf, "%pM", mac);
 249         } else {
 250                 nodeoffset = fdt_path_offset((void *)dtbaddr,
 251                                              "/factory-settings");
 252                 if (nodeoffset < 0) {
 253                         puts("no 'factory-settings' in dtb!\n");
 254                         return;
 255                 }
 256                 nodep = fdt_getprop((void *)dtbaddr, nodeoffset, name, &len);
 257         }
 258         if (nodep && strlen(nodep) > 1)
 259                 lcd_printf("%s %s %s", prefix, nodep, suffix);
 260         else
 261                 lcd_printf("\n");
 262 }
 263 int ft_board_setup(void *blob, bd_t *bd)
 264 {
 265         int nodeoffset;
 266
 267         nodeoffset = fdt_path_offset(blob, "/factory-settings");
 268         if (nodeoffset < 0) {
 269                 puts("set bootloader version 'factory-settings' not in dtb!\n");
 270                 return -1;
 271         }
 272         if (fdt_setprop(blob, nodeoffset, "bl-version",
 273                         PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
 274                 puts("set bootloader version 'bl-version' prop. not in dtb!\n");
 275                 return -1;
 276         }
 277         return 0;
 278 }
 279 #else
 280
 281 static void br_summaryscreen_printenv(char *prefix,
 282                                        char *name, char *altname,
 283                                        char *suffix)
 284 {
 285         char *envval = getenv(name);
 286         if (0 != envval) {
 287                 lcd_printf("%s %s %s", prefix, envval, suffix);
 288         } else if (0 != altname) {
 289                 envval = getenv(altname);
 290                 if (0 != envval)
 291                         lcd_printf("%s %s %s", prefix, envval, suffix);
 292         } else {
 293                 lcd_printf("\n");
 294         }
 295 }
 296 #endif
 297 void br_summaryscreen(void)
 298 {
 299 #ifdef CONFIG_USE_FDT
 300         br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
 301         br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
 302         br_summaryscreen_printdtb(" ", "hw-revision", "\n");
 303         br_summaryscreen_printdtb(" MAC (IF1)  :", "brmac1", "\n");
 304         br_summaryscreen_printdtb(" MAC (IF2)  :", "brmac2", "\n");
 305         lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
 306         lcd_puts("\n");
 307 #else
 308         br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
 309         br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
 310         br_summaryscreen_printenv(" MAC (IF1)  :", "br_mac1", "ethaddr", "\n");
 311         br_summaryscreen_printenv(" MAC (IF2)  :", "br_mac2", 0, "\n");
 312         lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
 313         lcd_puts("\n");
 314 #endif
 315 }
 316
 317 void lcdpower(int on)
 318 {
 319         u32 pin, swval, i;
 320 #ifdef CONFIG_USE_FDT
 321         u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
 322
 323         if (dtbaddr == ~0UL) {
 324                 puts("lcdpower: failed to get 'dtbaddr' from env!\n");
 325                 return;
 326         }
 327         pin = FDTPROP(dtbaddr, PATHINF, "pwrpin");
 328 #else
 329         pin = getenv_ulong("ds1_pwr", 16, ~0UL);
 330 #endif
 331         if (pin == ~0UL) {
 332                 puts("no pwrpin in dtb/env, cannot powerup display!\n");
 333                 return;
 334         }
 335
 336         for (i = 0; i < 3; i++) {
 337                 if (pin != 0) {
 338                         swval = pin & 0x80 ? 0 : 1;
 339                         if (on)
 340                                 gpio_direction_output(pin & 0x7F, swval);
 341                         else
 342                                 gpio_direction_output(pin & 0x7F, !swval);
 343
 344                         debug("switched pin %d to %d\n", pin & 0x7F, swval);
 345                 }
 346                 pin >>= 8;
 347         }
 348 }
 349
 350 vidinfo_t       panel_info = {
 351                 .vl_col = 1366, /*
 352                                  * give full resolution for allocating enough
 353                                  * memory
 354                                  */
 355                 .vl_row = 768,
 356                 .vl_bpix = 5,
 357                 .priv = 0
 358 };
 359
 360 void lcd_ctrl_init(void *lcdbase)
 361 {
 362         struct am335x_lcdpanel lcd_panel;
 363 #ifdef CONFIG_USE_FDT
 364         /* TODO: is there a better place to load the dtb ? */
 365         load_devicetree();
 366 #endif
 367         memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
 368         if (load_lcdtiming(&lcd_panel) != 0)
 369                 return;
 370
 371         lcd_panel.panel_power_ctrl = &lcdpower;
 372
 373         if (0 != am335xfb_init(&lcd_panel))
 374                 printf("ERROR: failed to initialize video!");
 375         /*
 376          * modifiy panel info to 'real' resolution, to operate correct with
 377          * lcd-framework.
 378          */
 379         panel_info.vl_col = lcd_panel.hactive;
 380         panel_info.vl_row = lcd_panel.vactive;
 381
 382         lcd_set_flush_dcache(1);
 383 }
 384
 385 void lcd_enable(void)
 386 {
 387 #ifdef CONFIG_USE_FDT
 388         u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
 389
 390         if (dtbaddr == ~0UL) {
 391                 puts("lcdpower: failed to get 'dtbaddr' from env!\n");
 392                 return;
 393         }
 394         unsigned int driver = FDTPROP(dtbaddr, PATHINF, "brightdrv");
 395         unsigned int bright = FDTPROP(dtbaddr, PATHINF, "brightdef");
 396         unsigned int pwmfrq = FDTPROP(dtbaddr, PATHINF, "brightfdim");
 397 #else
 398         unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
 399         unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
 400         unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
 401 #endif
 402         unsigned int tmp;
 403         struct gptimer *const timerhw = (struct gptimer *)DM_TIMER6_BASE;
 404
 405         bright = bright != ~0UL ? bright : 50;
 406
 407         switch (driver) {
 408         case 0: /* PMIC LED-Driver */
 409                 /* brightness level */
 410                 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 411                                    TPS65217_WLEDCTRL2, bright, 0xFF);
 412                 /* turn on light */
 413                 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 414                                    TPS65217_WLEDCTRL1, 0x0A, 0xFF);
 415                 break;
 416         case 1: /* PWM using timer6 */
 417                 if (pwmfrq != ~0UL) {
 418                         timerhw->tiocp_cfg = TCFG_RESET;
 419                         udelay(10);
 420                         while (timerhw->tiocp_cfg & TCFG_RESET)
 421                                 ;
 422                         tmp = ~0UL-(V_OSCK/pwmfrq);     /* bottom value */
 423                         timerhw->tldr = tmp;
 424                         timerhw->tcrr = tmp;
 425                         tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
 426                         timerhw->tmar = tmp;
 427                         timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
 428                                         TCLR_CE | TCLR_AR | TCLR_ST);
 429                 } else {
 430                         puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
 431                 }
 432                 break;
 433         default:
 434                 puts("no suitable backlightdriver in env/dtb!\n");
 435                 break;
 436         }
 437         br_summaryscreen();
 438 }
 439 #elif CONFIG_SPL_BUILD
 440 #else
 441 #error "LCD-support with a suitable FB-Driver is mandatory !"
 442 #endif /* CONFIG_LCD */
 443
 444 void blink(u32 blinks, u32 intervall, u32 pin)
 445 {
 446         gpio_direction_output(pin, 0);
 447         int val = 0;
 448
 449         do {
 450                 val ^= 0x01;
 451                 gpio_set_value(pin, val);
 452                 mdelay(intervall);
 453         } while (blinks--);
 454
 455         gpio_set_value(pin, 0);
 456 }
 457
 458 #ifdef CONFIG_SPL_BUILD
 459 void pmicsetup(u32 mpupll)
 460 {
 461         int mpu_vdd;
 462         int usb_cur_lim;
 463
 464         /* setup I2C */
 465         enable_i2c0_pin_mux();
 466         i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
 467
 468         if (i2c_probe(TPS65217_CHIP_PM)) {
 469                 puts("PMIC (0x24) not found! skip further initalization.\n");
 470                 return;
 471         }
 472
 473         /* Get the frequency which is defined by device fuses */
 474         dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
 475         printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
 476
 477         if (0 != mpupll) {
 478                 dpll_mpu_opp100.m = MPUPLL_M_1000;
 479                 printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
 480         } else {
 481                 puts("ok.\n");
 482         }
 483         /*
 484          * Increase USB current limit to 1300mA or 1800mA and set
 485          * the MPU voltage controller as needed.
 486          */
 487         if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
 488                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 489                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 490         } else {
 491                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 492                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 493         }
 494
 495         if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
 496                                usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 497                 puts("tps65217_reg_write failure\n");
 498
 499         /* Set DCDC3 (CORE) voltage to 1.125V */
 500         if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 501                                     TPS65217_DCDC_VOLT_SEL_1125MV)) {
 502                 puts("tps65217_voltage_update failure\n");
 503                 return;
 504         }
 505
 506         /* Set CORE Frequencies to OPP100 */
 507         do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
 508
 509         /* Set DCDC2 (MPU) voltage */
 510         if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 511                 puts("tps65217_voltage_update failure\n");
 512                 return;
 513         }
 514
 515         /* Set LDO3 to 1.8V */
 516         if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 517                                TPS65217_DEFLS1,
 518                                TPS65217_LDO_VOLTAGE_OUT_1_8,
 519                                TPS65217_LDO_MASK))
 520                 puts("tps65217_reg_write failure\n");
 521         /* Set LDO4 to 3.3V */
 522         if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 523                                TPS65217_DEFLS2,
 524                                TPS65217_LDO_VOLTAGE_OUT_3_3,
 525                                TPS65217_LDO_MASK))
 526                 puts("tps65217_reg_write failure\n");
 527
 528         /* Set MPU Frequency to what we detected now that voltages are set */
 529         do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
 530         /* Set PWR_EN bit in Status Register */
 531         tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 532                            TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
 533 }
 534
 535 void set_uart_mux_conf(void)
 536 {
 537         enable_uart0_pin_mux();
 538 }
 539
 540 void set_mux_conf_regs(void)
 541 {
 542         enable_board_pin_mux();
 543 }
 544
 545 #endif /* CONFIG_SPL_BUILD */
 546
 547 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 548         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 549 static void cpsw_control(int enabled)
 550 {
 551         /* VTP can be added here */
 552         return;
 553 }
 554
 555 /* describing port offsets of TI's CPSW block */
 556 static struct cpsw_slave_data cpsw_slaves[] = {
 557         {
 558                 .slave_reg_ofs  = 0x208,
 559                 .sliver_reg_ofs = 0xd80,
 560                 .phy_addr       = 1,
 561         },
 562         {
 563                 .slave_reg_ofs  = 0x308,
 564                 .sliver_reg_ofs = 0xdc0,
 565                 .phy_addr       = 2,
 566         },
 567 };
 568
 569 static struct cpsw_platform_data cpsw_data = {
 570         .mdio_base              = CPSW_MDIO_BASE,
 571         .cpsw_base              = CPSW_BASE,
 572         .mdio_div               = 0xff,
 573         .channels               = 8,
 574         .cpdma_reg_ofs          = 0x800,
 575         .slaves                 = 1,
 576         .slave_data             = cpsw_slaves,
 577         .ale_reg_ofs            = 0xd00,
 578         .ale_entries            = 1024,
 579         .host_port_reg_ofs      = 0x108,
 580         .hw_stats_reg_ofs       = 0x900,
 581         .bd_ram_ofs             = 0x2000,
 582         .mac_control            = (1 << 5),
 583         .control                = cpsw_control,
 584         .host_port_num          = 0,
 585         .version                = CPSW_CTRL_VERSION_2,
 586 };
 587 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
 588
 589 #if defined(CONFIG_DRIVER_TI_CPSW)
 590
 591 int board_eth_init(bd_t *bis)
 592 {
 593         int rv = 0;
 594         char mac_addr[6];
 595         const char *mac = 0;
 596         uint32_t mac_hi, mac_lo;
 597         /* try reading mac address from efuse */
 598         mac_lo = readl(&cdev->macid0l);
 599         mac_hi = readl(&cdev->macid0h);
 600         mac_addr[0] = mac_hi & 0xFF;
 601         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 602         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 603         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 604         mac_addr[4] = mac_lo & 0xFF;
 605         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 606
 607 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 608         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 609         if (!getenv("ethaddr")) {
 610                 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
 611                 printf("<ethaddr> not set. trying DTB ... ");
 612                 mac = dtbmacaddr(0);
 613                 #endif
 614                 if (!mac) {
 615                         printf("<ethaddr> not set. validating E-fuse MAC ... ");
 616                         if (is_valid_ether_addr((const u8 *)mac_addr))
 617                                 mac = (const char *)mac_addr;
 618                 }
 619
 620                 if (mac) {
 621                         printf("using: %pM on ", mac);
 622                         eth_setenv_enetaddr("ethaddr", (const u8 *)mac);
 623                 }
 624         }
 625         writel(MII_MODE_ENABLE, &cdev->miisel);
 626         cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII;
 627         cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_MII;
 628
 629         rv = cpsw_register(&cpsw_data);
 630         if (rv < 0) {
 631                 printf("Error %d registering CPSW switch\n", rv);
 632                 return 0;
 633         }
 634 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
 635         return rv;
 636 }
 637 #endif /* CONFIG_DRIVER_TI_CPSW */
 638 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
 639 int board_mmc_init(bd_t *bis)
 640 {
 641         return omap_mmc_init(1, 0, 0, -1, -1);
 642 }
 643 #endif
 644 int overwrite_console(void)
 645 {
 646         return 1;
 647 }