1 /* 2 * Copyright 2009-2012 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <command.h> 9 #include <i2c.h> 10 #include <netdev.h> 11 #include <linux/compiler.h> 12 #include <asm/mmu.h> 13 #include <asm/processor.h> 14 #include <asm/cache.h> 15 #include <asm/immap_85xx.h> 16 #include <asm/fsl_law.h> 17 #include <asm/fsl_serdes.h> 18 #include <asm/fsl_liodn.h> 19 #include <fm_eth.h> 20 21 #include "../common/qixis.h" 22 #include "../common/vsc3316_3308.h" 23 #include "t4qds.h" 24 #include "t4240qds_qixis.h" 25 26 DECLARE_GLOBAL_DATA_PTR; 27 28 static int8_t vsc3316_fsm1_tx[8][2] = { {0, 0}, {1, 1}, {6, 6}, {7, 7}, 29 {8, 8}, {9, 9}, {14, 14}, {15, 15} }; 30 31 static int8_t vsc3316_fsm2_tx[8][2] = { {2, 2}, {3, 3}, {4, 4}, {5, 5}, 32 {10, 10}, {11, 11}, {12, 12}, {13, 13} }; 33 34 static int8_t vsc3316_fsm1_rx[8][2] = { {2, 12}, {3, 13}, {4, 5}, {5, 4}, 35 {10, 11}, {11, 10}, {12, 2}, {13, 3} }; 36 37 static int8_t vsc3316_fsm2_rx[8][2] = { {0, 15}, {1, 14}, {6, 7}, {7, 6}, 38 {8, 9}, {9, 8}, {14, 1}, {15, 0} }; 39 40 int checkboard(void) 41 { 42 char buf[64]; 43 u8 sw; 44 struct cpu_type *cpu = gd->arch.cpu; 45 unsigned int i; 46 47 printf("Board: %sQDS, ", cpu->name); 48 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ", 49 QIXIS_READ(id), QIXIS_READ(arch)); 50 51 sw = QIXIS_READ(brdcfg[0]); 52 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT; 53 54 if (sw < 0x8) 55 printf("vBank: %d\n", sw); 56 else if (sw == 0x8) 57 puts("Promjet\n"); 58 else if (sw == 0x9) 59 puts("NAND\n"); 60 else 61 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); 62 63 printf("FPGA: v%d (%s), build %d", 64 (int)QIXIS_READ(scver), qixis_read_tag(buf), 65 (int)qixis_read_minor()); 66 /* the timestamp string contains "\n" at the end */ 67 printf(" on %s", qixis_read_time(buf)); 68 69 /* 70 * Display the actual SERDES reference clocks as configured by the 71 * dip switches on the board. Note that the SWx registers could 72 * technically be set to force the reference clocks to match the 73 * values that the SERDES expects (or vice versa). For now, however, 74 * we just display both values and hope the user notices when they 75 * don't match. 76 */ 77 puts("SERDES Reference Clocks: "); 78 sw = QIXIS_READ(brdcfg[2]); 79 for (i = 0; i < MAX_SERDES; i++) { 80 static const char * const freq[] = { 81 "100", "125", "156.25", "161.1328125"}; 82 unsigned int clock = (sw >> (6 - 2 * i)) & 3; 83 84 printf("SERDES%u=%sMHz ", i+1, freq[clock]); 85 } 86 puts("\n"); 87 88 return 0; 89 } 90 91 int select_i2c_ch_pca9547(u8 ch) 92 { 93 int ret; 94 95 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); 96 if (ret) { 97 puts("PCA: failed to select proper channel\n"); 98 return ret; 99 } 100 101 return 0; 102 } 103 104 /* 105 * read_voltage from sensor on I2C bus 106 * We use average of 4 readings, waiting for 532us befor another reading 107 */ 108 #define NUM_READINGS 4 /* prefer to be power of 2 for efficiency */ 109 #define WAIT_FOR_ADC 532 /* wait for 532 microseconds for ADC */ 110 111 static inline int read_voltage(void) 112 { 113 int i, ret, voltage_read = 0; 114 u16 vol_mon; 115 116 for (i = 0; i < NUM_READINGS; i++) { 117 ret = i2c_read(I2C_VOL_MONITOR_ADDR, 118 I2C_VOL_MONITOR_BUS_V_OFFSET, 1, (void *)&vol_mon, 2); 119 if (ret) { 120 printf("VID: failed to read core voltage\n"); 121 return ret; 122 } 123 if (vol_mon & I2C_VOL_MONITOR_BUS_V_OVF) { 124 printf("VID: Core voltage sensor error\n"); 125 return -1; 126 } 127 debug("VID: bus voltage reads 0x%04x\n", vol_mon); 128 /* LSB = 4mv */ 129 voltage_read += (vol_mon >> I2C_VOL_MONITOR_BUS_V_SHIFT) * 4; 130 udelay(WAIT_FOR_ADC); 131 } 132 /* calculate the average */ 133 voltage_read /= NUM_READINGS; 134 135 return voltage_read; 136 } 137 138 /* 139 * We need to calculate how long before the voltage starts to drop or increase 140 * It returns with the loop count. Each loop takes several readings (532us) 141 */ 142 static inline int wait_for_voltage_change(int vdd_last) 143 { 144 int timeout, vdd_current; 145 146 vdd_current = read_voltage(); 147 /* wait until voltage starts to drop */ 148 for (timeout = 0; abs(vdd_last - vdd_current) <= 4 && 149 timeout < 100; timeout++) { 150 vdd_current = read_voltage(); 151 } 152 if (timeout >= 100) { 153 printf("VID: Voltage adjustment timeout\n"); 154 return -1; 155 } 156 return timeout; 157 } 158 159 /* 160 * argument 'wait' is the time we know the voltage difference can be measured 161 * this function keeps reading the voltage until it is stable 162 */ 163 static inline int wait_for_voltage_stable(int wait) 164 { 165 int timeout, vdd_current, vdd_last; 166 167 vdd_last = read_voltage(); 168 udelay(wait * NUM_READINGS * WAIT_FOR_ADC); 169 /* wait until voltage is stable */ 170 vdd_current = read_voltage(); 171 for (timeout = 0; abs(vdd_last - vdd_current) >= 4 && 172 timeout < 100; timeout++) { 173 vdd_last = vdd_current; 174 udelay(wait * NUM_READINGS * WAIT_FOR_ADC); 175 vdd_current = read_voltage(); 176 } 177 if (timeout >= 100) { 178 printf("VID: Voltage adjustment timeout\n"); 179 return -1; 180 } 181 182 return vdd_current; 183 } 184 185 static inline int set_voltage(u8 vid) 186 { 187 int wait, vdd_last; 188 189 vdd_last = read_voltage(); 190 QIXIS_WRITE(brdcfg[6], vid); 191 wait = wait_for_voltage_change(vdd_last); 192 if (wait < 0) 193 return -1; 194 debug("VID: Waited %d us\n", wait * NUM_READINGS * WAIT_FOR_ADC); 195 wait = wait ? wait : 1; 196 197 vdd_last = wait_for_voltage_stable(wait); 198 if (vdd_last < 0) 199 return -1; 200 debug("VID: Current voltage is %d mV\n", vdd_last); 201 202 return vdd_last; 203 } 204 205 206 static int adjust_vdd(ulong vdd_override) 207 { 208 int re_enable = disable_interrupts(); 209 ccsr_gur_t __iomem *gur = 210 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 211 u32 fusesr; 212 u8 vid, vid_current; 213 int vdd_target, vdd_current, vdd_last; 214 int ret; 215 unsigned long vdd_string_override; 216 char *vdd_string; 217 static const uint16_t vdd[32] = { 218 0, /* unused */ 219 9875, /* 0.9875V */ 220 9750, 221 9625, 222 9500, 223 9375, 224 9250, 225 9125, 226 9000, 227 8875, 228 8750, 229 8625, 230 8500, 231 8375, 232 8250, 233 8125, 234 10000, /* 1.0000V */ 235 10125, 236 10250, 237 10375, 238 10500, 239 10625, 240 10750, 241 10875, 242 11000, 243 0, /* reserved */ 244 }; 245 struct vdd_drive { 246 u8 vid; 247 unsigned voltage; 248 }; 249 250 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR); 251 if (ret) { 252 debug("VID: I2c failed to switch channel\n"); 253 ret = -1; 254 goto exit; 255 } 256 257 /* get the voltage ID from fuse status register */ 258 fusesr = in_be32(&gur->dcfg_fusesr); 259 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_VID_SHIFT) & 260 FSL_CORENET_DCFG_FUSESR_VID_MASK; 261 if (vid == FSL_CORENET_DCFG_FUSESR_VID_MASK) { 262 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_ALTVID_SHIFT) & 263 FSL_CORENET_DCFG_FUSESR_ALTVID_MASK; 264 } 265 vdd_target = vdd[vid]; 266 267 /* check override variable for overriding VDD */ 268 vdd_string = getenv("t4240qds_vdd_mv"); 269 if (vdd_override == 0 && vdd_string && 270 !strict_strtoul(vdd_string, 10, &vdd_string_override)) 271 vdd_override = vdd_string_override; 272 if (vdd_override >= 819 && vdd_override <= 1212) { 273 vdd_target = vdd_override * 10; /* convert to 1/10 mV */ 274 debug("VDD override is %lu\n", vdd_override); 275 } else if (vdd_override != 0) { 276 printf("Invalid value.\n"); 277 } 278 279 if (vdd_target == 0) { 280 debug("VID: VID not used\n"); 281 ret = 0; 282 goto exit; 283 } else { 284 /* round up and divice by 10 to get a value in mV */ 285 vdd_target = DIV_ROUND_UP(vdd_target, 10); 286 debug("VID: vid = %d mV\n", vdd_target); 287 } 288 289 /* 290 * Check current board VID setting 291 * Voltage regulator support output to 6.250mv step 292 * The highes voltage allowed for this board is (vid=0x40) 1.21250V 293 * the lowest is (vid=0x7f) 0.81875V 294 */ 295 vid_current = QIXIS_READ(brdcfg[6]); 296 vdd_current = 121250 - (vid_current - 0x40) * 625; 297 debug("VID: Current vid setting is (0x%x) %d mV\n", 298 vid_current, vdd_current/100); 299 300 /* 301 * Read voltage monitor to check real voltage. 302 * Voltage monitor LSB is 4mv. 303 */ 304 vdd_last = read_voltage(); 305 if (vdd_last < 0) { 306 printf("VID: Could not read voltage sensor abort VID adjustment\n"); 307 ret = -1; 308 goto exit; 309 } 310 debug("VID: Core voltage is at %d mV\n", vdd_last); 311 /* 312 * Adjust voltage to at or 8mV above target. 313 * Each step of adjustment is 6.25mV. 314 * Stepping down too fast may cause over current. 315 */ 316 while (vdd_last > 0 && vid_current < 0x80 && 317 vdd_last > (vdd_target + 8)) { 318 vid_current++; 319 vdd_last = set_voltage(vid_current); 320 } 321 /* 322 * Check if we need to step up 323 * This happens when board voltage switch was set too low 324 */ 325 while (vdd_last > 0 && vid_current >= 0x40 && 326 vdd_last < vdd_target + 2) { 327 vid_current--; 328 vdd_last = set_voltage(vid_current); 329 } 330 if (vdd_last > 0) 331 printf("VID: Core voltage %d mV\n", vdd_last); 332 else 333 ret = -1; 334 335 exit: 336 if (re_enable) 337 enable_interrupts(); 338 return ret; 339 } 340 341 /* Configure Crossbar switches for Front-Side SerDes Ports */ 342 int config_frontside_crossbar_vsc3316(void) 343 { 344 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 345 u32 srds_prtcl_s1, srds_prtcl_s2; 346 int ret; 347 348 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS); 349 if (ret) 350 return ret; 351 352 srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) & 353 FSL_CORENET2_RCWSR4_SRDS1_PRTCL; 354 srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT; 355 switch (srds_prtcl_s1) { 356 case 37: 357 case 38: 358 /* swap first lane and third lane on slot1 */ 359 vsc3316_fsm1_tx[0][1] = 14; 360 vsc3316_fsm1_tx[6][1] = 0; 361 vsc3316_fsm1_rx[1][1] = 2; 362 vsc3316_fsm1_rx[6][1] = 13; 363 case 39: 364 case 40: 365 case 45: 366 case 46: 367 case 47: 368 case 48: 369 /* swap first lane and third lane on slot2 */ 370 vsc3316_fsm1_tx[2][1] = 8; 371 vsc3316_fsm1_tx[4][1] = 6; 372 vsc3316_fsm1_rx[2][1] = 10; 373 vsc3316_fsm1_rx[5][1] = 5; 374 default: 375 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm1_tx, 8); 376 if (ret) 377 return ret; 378 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm1_rx, 8); 379 if (ret) 380 return ret; 381 break; 382 } 383 384 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) & 385 FSL_CORENET2_RCWSR4_SRDS2_PRTCL; 386 srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT; 387 switch (srds_prtcl_s2) { 388 case 37: 389 case 38: 390 /* swap first lane and third lane on slot3 */ 391 vsc3316_fsm2_tx[2][1] = 11; 392 vsc3316_fsm2_tx[5][1] = 4; 393 vsc3316_fsm2_rx[2][1] = 9; 394 vsc3316_fsm2_rx[4][1] = 7; 395 case 39: 396 case 40: 397 case 45: 398 case 46: 399 case 47: 400 case 48: 401 case 49: 402 case 50: 403 case 51: 404 case 52: 405 case 53: 406 case 54: 407 /* swap first lane and third lane on slot4 */ 408 vsc3316_fsm2_tx[6][1] = 3; 409 vsc3316_fsm2_tx[1][1] = 12; 410 vsc3316_fsm2_rx[0][1] = 1; 411 vsc3316_fsm2_rx[6][1] = 15; 412 default: 413 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm2_tx, 8); 414 if (ret) 415 return ret; 416 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm2_rx, 8); 417 if (ret) 418 return ret; 419 break; 420 } 421 422 return 0; 423 } 424 425 int config_backside_crossbar_mux(void) 426 { 427 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 428 u32 srds_prtcl_s3, srds_prtcl_s4; 429 u8 brdcfg; 430 431 srds_prtcl_s3 = in_be32(&gur->rcwsr[4]) & 432 FSL_CORENET2_RCWSR4_SRDS3_PRTCL; 433 srds_prtcl_s3 >>= FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT; 434 switch (srds_prtcl_s3) { 435 case 0: 436 /* SerDes3 is not enabled */ 437 break; 438 case 1: 439 case 2: 440 case 9: 441 case 10: 442 /* SD3(0:7) => SLOT5(0:7) */ 443 brdcfg = QIXIS_READ(brdcfg[12]); 444 brdcfg &= ~BRDCFG12_SD3MX_MASK; 445 brdcfg |= BRDCFG12_SD3MX_SLOT5; 446 QIXIS_WRITE(brdcfg[12], brdcfg); 447 break; 448 case 3: 449 case 4: 450 case 5: 451 case 6: 452 case 7: 453 case 8: 454 case 11: 455 case 12: 456 case 13: 457 case 14: 458 case 15: 459 case 16: 460 case 17: 461 case 18: 462 case 19: 463 case 20: 464 /* SD3(4:7) => SLOT6(0:3) */ 465 brdcfg = QIXIS_READ(brdcfg[12]); 466 brdcfg &= ~BRDCFG12_SD3MX_MASK; 467 brdcfg |= BRDCFG12_SD3MX_SLOT6; 468 QIXIS_WRITE(brdcfg[12], brdcfg); 469 break; 470 default: 471 printf("WARNING: unsupported for SerDes3 Protocol %d\n", 472 srds_prtcl_s3); 473 return -1; 474 } 475 476 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) & 477 FSL_CORENET2_RCWSR4_SRDS4_PRTCL; 478 srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT; 479 switch (srds_prtcl_s4) { 480 case 0: 481 /* SerDes4 is not enabled */ 482 break; 483 case 1: 484 case 2: 485 /* 10b, SD4(0:7) => SLOT7(0:7) */ 486 brdcfg = QIXIS_READ(brdcfg[12]); 487 brdcfg &= ~BRDCFG12_SD4MX_MASK; 488 brdcfg |= BRDCFG12_SD4MX_SLOT7; 489 QIXIS_WRITE(brdcfg[12], brdcfg); 490 break; 491 case 3: 492 case 4: 493 case 5: 494 case 6: 495 case 7: 496 case 8: 497 /* x1b, SD4(4:7) => SLOT8(0:3) */ 498 brdcfg = QIXIS_READ(brdcfg[12]); 499 brdcfg &= ~BRDCFG12_SD4MX_MASK; 500 brdcfg |= BRDCFG12_SD4MX_SLOT8; 501 QIXIS_WRITE(brdcfg[12], brdcfg); 502 break; 503 case 9: 504 case 10: 505 case 11: 506 case 12: 507 case 13: 508 case 14: 509 case 15: 510 case 16: 511 case 18: 512 /* 00b, SD4(4:5) => AURORA, SD4(6:7) => SATA */ 513 brdcfg = QIXIS_READ(brdcfg[12]); 514 brdcfg &= ~BRDCFG12_SD4MX_MASK; 515 brdcfg |= BRDCFG12_SD4MX_AURO_SATA; 516 QIXIS_WRITE(brdcfg[12], brdcfg); 517 break; 518 default: 519 printf("WARNING: unsupported for SerDes4 Protocol %d\n", 520 srds_prtcl_s4); 521 return -1; 522 } 523 524 return 0; 525 } 526 527 int board_early_init_r(void) 528 { 529 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; 530 int flash_esel = find_tlb_idx((void *)flashbase, 1); 531 532 /* 533 * Remap Boot flash + PROMJET region to caching-inhibited 534 * so that flash can be erased properly. 535 */ 536 537 /* Flush d-cache and invalidate i-cache of any FLASH data */ 538 flush_dcache(); 539 invalidate_icache(); 540 541 if (flash_esel == -1) { 542 /* very unlikely unless something is messed up */ 543 puts("Error: Could not find TLB for FLASH BASE\n"); 544 flash_esel = 2; /* give our best effort to continue */ 545 } else { 546 /* invalidate existing TLB entry for flash + promjet */ 547 disable_tlb(flash_esel); 548 } 549 550 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, 551 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 552 0, flash_esel, BOOKE_PAGESZ_256M, 1); 553 554 /* Disable remote I2C connection to qixis fpga */ 555 QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE); 556 557 /* 558 * Adjust core voltage according to voltage ID 559 * This function changes I2C mux to channel 2. 560 */ 561 if (adjust_vdd(0)) 562 printf("Warning: Adjusting core voltage failed.\n"); 563 564 /* Configure board SERDES ports crossbar */ 565 config_frontside_crossbar_vsc3316(); 566 config_backside_crossbar_mux(); 567 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); 568 569 return 0; 570 } 571 572 unsigned long get_board_sys_clk(void) 573 { 574 u8 sysclk_conf = QIXIS_READ(brdcfg[1]); 575 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT 576 /* use accurate clock measurement */ 577 int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]); 578 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]); 579 u32 val; 580 581 val = freq * base; 582 if (val) { 583 debug("SYS Clock measurement is: %d\n", val); 584 return val; 585 } else { 586 printf("Warning: SYS clock measurement is invalid, using value from brdcfg1.\n"); 587 } 588 #endif 589 590 switch (sysclk_conf & 0x0F) { 591 case QIXIS_SYSCLK_83: 592 return 83333333; 593 case QIXIS_SYSCLK_100: 594 return 100000000; 595 case QIXIS_SYSCLK_125: 596 return 125000000; 597 case QIXIS_SYSCLK_133: 598 return 133333333; 599 case QIXIS_SYSCLK_150: 600 return 150000000; 601 case QIXIS_SYSCLK_160: 602 return 160000000; 603 case QIXIS_SYSCLK_166: 604 return 166666666; 605 } 606 return 66666666; 607 } 608 609 unsigned long get_board_ddr_clk(void) 610 { 611 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); 612 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT 613 /* use accurate clock measurement */ 614 int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]); 615 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]); 616 u32 val; 617 618 val = freq * base; 619 if (val) { 620 debug("DDR Clock measurement is: %d\n", val); 621 return val; 622 } else { 623 printf("Warning: DDR clock measurement is invalid, using value from brdcfg1.\n"); 624 } 625 #endif 626 627 switch ((ddrclk_conf & 0x30) >> 4) { 628 case QIXIS_DDRCLK_100: 629 return 100000000; 630 case QIXIS_DDRCLK_125: 631 return 125000000; 632 case QIXIS_DDRCLK_133: 633 return 133333333; 634 } 635 return 66666666; 636 } 637 638 int misc_init_r(void) 639 { 640 u8 sw; 641 void *srds_base = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; 642 serdes_corenet_t *srds_regs; 643 u32 actual[MAX_SERDES]; 644 u32 pllcr0, expected; 645 unsigned int i; 646 647 sw = QIXIS_READ(brdcfg[2]); 648 for (i = 0; i < MAX_SERDES; i++) { 649 unsigned int clock = (sw >> (6 - 2 * i)) & 3; 650 switch (clock) { 651 case 0: 652 actual[i] = SRDS_PLLCR0_RFCK_SEL_100; 653 break; 654 case 1: 655 actual[i] = SRDS_PLLCR0_RFCK_SEL_125; 656 break; 657 case 2: 658 actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25; 659 break; 660 case 3: 661 actual[i] = SRDS_PLLCR0_RFCK_SEL_161_13; 662 break; 663 } 664 } 665 666 for (i = 0; i < MAX_SERDES; i++) { 667 srds_regs = srds_base + i * 0x1000; 668 pllcr0 = srds_regs->bank[0].pllcr0; 669 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK; 670 if (expected != actual[i]) { 671 printf("Warning: SERDES%u expects reference clock %sMHz, but actual is %sMHz\n", 672 i + 1, serdes_clock_to_string(expected), 673 serdes_clock_to_string(actual[i])); 674 } 675 } 676 677 return 0; 678 } 679 680 int ft_board_setup(void *blob, bd_t *bd) 681 { 682 phys_addr_t base; 683 phys_size_t size; 684 685 ft_cpu_setup(blob, bd); 686 687 base = getenv_bootm_low(); 688 size = getenv_bootm_size(); 689 690 fdt_fixup_memory(blob, (u64)base, (u64)size); 691 692 #ifdef CONFIG_PCI 693 pci_of_setup(blob, bd); 694 #endif 695 696 fdt_fixup_liodn(blob); 697 fsl_fdt_fixup_dr_usb(blob, bd); 698 699 #ifdef CONFIG_SYS_DPAA_FMAN 700 fdt_fixup_fman_ethernet(blob); 701 fdt_fixup_board_enet(blob); 702 #endif 703 704 return 0; 705 } 706 707 /* 708 * This function is called by bdinfo to print detail board information. 709 * As an exmaple for future board, we organize the messages into 710 * several sections. If applicable, the message is in the format of 711 * <name> = <value> 712 * It should aligned with normal output of bdinfo command. 713 * 714 * Voltage: Core, DDR and another configurable voltages 715 * Clock : Critical clocks which are not printed already 716 * RCW : RCW source if not printed already 717 * Misc : Other important information not in above catagories 718 */ 719 void board_detail(void) 720 { 721 int i; 722 u8 brdcfg[16], dutcfg[16], rst_ctl; 723 int vdd, rcwsrc; 724 static const char * const clk[] = {"66.67", "100", "125", "133.33"}; 725 726 for (i = 0; i < 16; i++) { 727 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i); 728 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i); 729 } 730 731 /* Voltage secion */ 732 if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR)) { 733 vdd = read_voltage(); 734 if (vdd > 0) 735 printf("Core voltage= %d mV\n", vdd); 736 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); 737 } 738 739 printf("XVDD = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25); 740 741 /* clock section */ 742 printf("SYSCLK = %s MHz\nDDRCLK = %s MHz\n", 743 clk[(brdcfg[11] >> 2) & 0x3], clk[brdcfg[11] & 3]); 744 745 /* RCW section */ 746 rcwsrc = (dutcfg[0] << 1) + (dutcfg[1] & 1); 747 puts("RCW source = "); 748 switch (rcwsrc) { 749 case 0x017: 750 case 0x01f: 751 puts("8-bit NOR\n"); 752 break; 753 case 0x027: 754 case 0x02F: 755 puts("16-bit NOR\n"); 756 break; 757 case 0x040: 758 puts("SDHC/eMMC\n"); 759 break; 760 case 0x044: 761 puts("SPI 16-bit addressing\n"); 762 break; 763 case 0x045: 764 puts("SPI 24-bit addressing\n"); 765 break; 766 case 0x048: 767 puts("I2C normal addressing\n"); 768 break; 769 case 0x049: 770 puts("I2C extended addressing\n"); 771 break; 772 case 0x108: 773 case 0x109: 774 case 0x10a: 775 case 0x10b: 776 puts("8-bit NAND, 2KB\n"); 777 break; 778 default: 779 if ((rcwsrc >= 0x080) && (rcwsrc <= 0x09f)) 780 puts("Hard-coded RCW\n"); 781 else if ((rcwsrc >= 0x110) && (rcwsrc <= 0x11f)) 782 puts("8-bit NAND, 4KB\n"); 783 else 784 puts("unknown\n"); 785 break; 786 } 787 788 /* Misc section */ 789 rst_ctl = QIXIS_READ(rst_ctl); 790 puts("HRESET_REQ = "); 791 switch (rst_ctl & 0x30) { 792 case 0x00: 793 puts("Ignored\n"); 794 break; 795 case 0x10: 796 puts("Assert HRESET\n"); 797 break; 798 case 0x30: 799 puts("Reset system\n"); 800 break; 801 default: 802 puts("N/A\n"); 803 break; 804 } 805 } 806 807 /* 808 * Reverse engineering switch settings. 809 * Some bits cannot be figured out. They will be displayed as 810 * underscore in binary format. mask[] has those bits. 811 * Some bits are calculated differently than the actual switches 812 * if booting with overriding by FPGA. 813 */ 814 void qixis_dump_switch(void) 815 { 816 int i; 817 u8 sw[9]; 818 819 /* 820 * Any bit with 1 means that bit cannot be reverse engineered. 821 * It will be displayed as _ in binary format. 822 */ 823 static const u8 mask[] = {0, 0, 0, 0, 0, 0x1, 0xcf, 0x3f, 0x1f}; 824 char buf[10]; 825 u8 brdcfg[16], dutcfg[16]; 826 827 for (i = 0; i < 16; i++) { 828 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i); 829 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i); 830 } 831 832 sw[0] = dutcfg[0]; 833 sw[1] = (dutcfg[1] << 0x07) | 834 ((dutcfg[12] & 0xC0) >> 1) | 835 ((dutcfg[11] & 0xE0) >> 3) | 836 ((dutcfg[6] & 0x80) >> 6) | 837 ((dutcfg[1] & 0x80) >> 7); 838 sw[2] = ((brdcfg[1] & 0x0f) << 4) | 839 ((brdcfg[1] & 0x30) >> 2) | 840 ((brdcfg[1] & 0x40) >> 5) | 841 ((brdcfg[1] & 0x80) >> 7); 842 sw[3] = brdcfg[2]; 843 sw[4] = ((dutcfg[2] & 0x01) << 7) | 844 ((dutcfg[2] & 0x06) << 4) | 845 ((~QIXIS_READ(present)) & 0x10) | 846 ((brdcfg[3] & 0x80) >> 4) | 847 ((brdcfg[3] & 0x01) << 2) | 848 ((brdcfg[6] == 0x62) ? 3 : 849 ((brdcfg[6] == 0x5a) ? 2 : 850 ((brdcfg[6] == 0x5e) ? 1 : 0))); 851 sw[5] = ((brdcfg[0] & 0x0f) << 4) | 852 ((QIXIS_READ(rst_ctl) & 0x30) >> 2) | 853 ((brdcfg[0] & 0x40) >> 5); 854 sw[6] = (brdcfg[11] & 0x20) | 855 ((brdcfg[5] & 0x02) << 3); 856 sw[7] = (((~QIXIS_READ(rst_ctl)) & 0x40) << 1) | 857 ((brdcfg[5] & 0x10) << 2); 858 sw[8] = ((brdcfg[12] & 0x08) << 4) | 859 ((brdcfg[12] & 0x03) << 5); 860 861 puts("DIP switch (reverse-engineering)\n"); 862 for (i = 0; i < 9; i++) { 863 printf("SW%d = 0b%s (0x%02x)\n", 864 i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]); 865 } 866 } 867 868 static int do_vdd_adjust(cmd_tbl_t *cmdtp, 869 int flag, int argc, 870 char * const argv[]) 871 { 872 ulong override; 873 874 if (argc < 2) 875 return CMD_RET_USAGE; 876 if (!strict_strtoul(argv[1], 10, &override)) 877 adjust_vdd(override); /* the value is checked by callee */ 878 else 879 return CMD_RET_USAGE; 880 881 return 0; 882 } 883 884 U_BOOT_CMD( 885 vdd_override, 2, 0, do_vdd_adjust, 886 "Override VDD", 887 "- override with the voltage specified in mV, eg. 1050" 888 ); 889