1 /* 2 * Copyright 2017 NXP 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #include <common.h> 7 #include <i2c.h> 8 #include <malloc.h> 9 #include <errno.h> 10 #include <netdev.h> 11 #include <fsl_ifc.h> 12 #include <fsl_ddr.h> 13 #include <fsl_sec.h> 14 #include <asm/io.h> 15 #include <fdt_support.h> 16 #include <linux/libfdt.h> 17 #include <fsl-mc/fsl_mc.h> 18 #include <environment.h> 19 #include <asm/arch-fsl-layerscape/soc.h> 20 #include <asm/arch/ppa.h> 21 #include <hwconfig.h> 22 #include <asm/arch/fsl_serdes.h> 23 #include <asm/arch/soc.h> 24 25 #include "../common/qixis.h" 26 #include "ls1088a_qixis.h" 27 #include "../common/vid.h" 28 #include <fsl_immap.h> 29 30 DECLARE_GLOBAL_DATA_PTR; 31 32 int board_early_init_f(void) 33 { 34 fsl_lsch3_early_init_f(); 35 return 0; 36 } 37 38 #ifdef CONFIG_FSL_QIXIS 39 unsigned long long get_qixis_addr(void) 40 { 41 unsigned long long addr; 42 43 if (gd->flags & GD_FLG_RELOC) 44 addr = QIXIS_BASE_PHYS; 45 else 46 addr = QIXIS_BASE_PHYS_EARLY; 47 48 /* 49 * IFC address under 256MB is mapped to 0x30000000, any address above 50 * is mapped to 0x5_10000000 up to 4GB. 51 */ 52 addr = addr > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000; 53 54 return addr; 55 } 56 #endif 57 58 #if defined(CONFIG_VID) 59 int init_func_vid(void) 60 { 61 if (adjust_vdd(0) < 0) 62 printf("core voltage not adjusted\n"); 63 64 return 0; 65 } 66 #endif 67 68 #if !defined(CONFIG_SPL_BUILD) 69 int checkboard(void) 70 { 71 char buf[64]; 72 u8 sw; 73 static const char *const freq[] = {"100", "125", "156.25", 74 "100 separate SSCG"}; 75 int clock; 76 77 #ifdef CONFIG_TARGET_LS1088AQDS 78 printf("Board: LS1088A-QDS, "); 79 #else 80 printf("Board: LS1088A-RDB, "); 81 #endif 82 83 sw = QIXIS_READ(arch); 84 printf("Board Arch: V%d, ", sw >> 4); 85 86 #ifdef CONFIG_TARGET_LS1088AQDS 87 printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1); 88 #else 89 printf("Board version: %c, boot from ", (sw & 0xf) + 'A'); 90 #endif 91 92 memset((u8 *)buf, 0x00, ARRAY_SIZE(buf)); 93 94 sw = QIXIS_READ(brdcfg[0]); 95 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT; 96 97 #ifdef CONFIG_SD_BOOT 98 puts("SD card\n"); 99 #endif 100 switch (sw) { 101 #ifdef CONFIG_TARGET_LS1088AQDS 102 case 0: 103 case 1: 104 case 2: 105 case 3: 106 case 4: 107 case 5: 108 case 6: 109 case 7: 110 printf("vBank: %d\n", sw); 111 break; 112 case 8: 113 puts("PromJet\n"); 114 break; 115 case 15: 116 puts("IFCCard\n"); 117 break; 118 case 14: 119 #else 120 case 0: 121 #endif 122 puts("QSPI:"); 123 sw = QIXIS_READ(brdcfg[0]); 124 sw = (sw & QIXIS_QMAP_MASK) >> QIXIS_QMAP_SHIFT; 125 if (sw == 0 || sw == 4) 126 puts("0\n"); 127 else if (sw == 1) 128 puts("1\n"); 129 else 130 puts("EMU\n"); 131 break; 132 133 default: 134 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); 135 break; 136 } 137 138 #ifdef CONFIG_TARGET_LS1088AQDS 139 printf("FPGA: v%d (%s), build %d", 140 (int)QIXIS_READ(scver), qixis_read_tag(buf), 141 (int)qixis_read_minor()); 142 /* the timestamp string contains "\n" at the end */ 143 printf(" on %s", qixis_read_time(buf)); 144 #else 145 printf("CPLD: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata)); 146 #endif 147 148 /* 149 * Display the actual SERDES reference clocks as configured by the 150 * dip switches on the board. Note that the SWx registers could 151 * technically be set to force the reference clocks to match the 152 * values that the SERDES expects (or vice versa). For now, however, 153 * we just display both values and hope the user notices when they 154 * don't match. 155 */ 156 puts("SERDES1 Reference : "); 157 sw = QIXIS_READ(brdcfg[2]); 158 clock = (sw >> 6) & 3; 159 printf("Clock1 = %sMHz ", freq[clock]); 160 clock = (sw >> 4) & 3; 161 printf("Clock2 = %sMHz", freq[clock]); 162 163 puts("\nSERDES2 Reference : "); 164 clock = (sw >> 2) & 3; 165 printf("Clock1 = %sMHz ", freq[clock]); 166 clock = (sw >> 0) & 3; 167 printf("Clock2 = %sMHz\n", freq[clock]); 168 169 return 0; 170 } 171 172 bool if_board_diff_clk(void) 173 { 174 #ifdef CONFIG_TARGET_LS1088AQDS 175 u8 diff_conf = QIXIS_READ(brdcfg[11]); 176 return diff_conf & 0x40; 177 #else 178 u8 diff_conf = QIXIS_READ(dutcfg[11]); 179 return diff_conf & 0x80; 180 #endif 181 } 182 183 unsigned long get_board_sys_clk(void) 184 { 185 u8 sysclk_conf = QIXIS_READ(brdcfg[1]); 186 187 switch (sysclk_conf & 0x0f) { 188 case QIXIS_SYSCLK_83: 189 return 83333333; 190 case QIXIS_SYSCLK_100: 191 return 100000000; 192 case QIXIS_SYSCLK_125: 193 return 125000000; 194 case QIXIS_SYSCLK_133: 195 return 133333333; 196 case QIXIS_SYSCLK_150: 197 return 150000000; 198 case QIXIS_SYSCLK_160: 199 return 160000000; 200 case QIXIS_SYSCLK_166: 201 return 166666666; 202 } 203 204 return 66666666; 205 } 206 207 unsigned long get_board_ddr_clk(void) 208 { 209 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); 210 211 if (if_board_diff_clk()) 212 return get_board_sys_clk(); 213 switch ((ddrclk_conf & 0x30) >> 4) { 214 case QIXIS_DDRCLK_100: 215 return 100000000; 216 case QIXIS_DDRCLK_125: 217 return 125000000; 218 case QIXIS_DDRCLK_133: 219 return 133333333; 220 } 221 222 return 66666666; 223 } 224 #endif 225 226 int select_i2c_ch_pca9547(u8 ch) 227 { 228 int ret; 229 230 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); 231 if (ret) { 232 puts("PCA: failed to select proper channel\n"); 233 return ret; 234 } 235 236 return 0; 237 } 238 239 #if !defined(CONFIG_SPL_BUILD) 240 void board_retimer_init(void) 241 { 242 u8 reg; 243 244 /* Retimer is connected to I2C1_CH5 */ 245 select_i2c_ch_pca9547(I2C_MUX_CH5); 246 247 /* Access to Control/Shared register */ 248 reg = 0x0; 249 i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1); 250 251 /* Read device revision and ID */ 252 i2c_read(I2C_RETIMER_ADDR, 1, 1, ®, 1); 253 debug("Retimer version id = 0x%x\n", reg); 254 255 /* Enable Broadcast. All writes target all channel register sets */ 256 reg = 0x0c; 257 i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1); 258 259 /* Reset Channel Registers */ 260 i2c_read(I2C_RETIMER_ADDR, 0, 1, ®, 1); 261 reg |= 0x4; 262 i2c_write(I2C_RETIMER_ADDR, 0, 1, ®, 1); 263 264 /* Set data rate as 10.3125 Gbps */ 265 reg = 0x90; 266 i2c_write(I2C_RETIMER_ADDR, 0x60, 1, ®, 1); 267 reg = 0xb3; 268 i2c_write(I2C_RETIMER_ADDR, 0x61, 1, ®, 1); 269 reg = 0x90; 270 i2c_write(I2C_RETIMER_ADDR, 0x62, 1, ®, 1); 271 reg = 0xb3; 272 i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1); 273 reg = 0xcd; 274 i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1); 275 276 /* Select VCO Divider to full rate (000) */ 277 i2c_read(I2C_RETIMER_ADDR, 0x2F, 1, ®, 1); 278 reg &= 0x0f; 279 reg |= 0x70; 280 i2c_write(I2C_RETIMER_ADDR, 0x2F, 1, ®, 1); 281 282 #ifdef CONFIG_TARGET_LS1088AQDS 283 /* Retimer is connected to I2C1_CH5 */ 284 select_i2c_ch_pca9547(I2C_MUX_CH5); 285 286 /* Access to Control/Shared register */ 287 reg = 0x0; 288 i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, ®, 1); 289 290 /* Read device revision and ID */ 291 i2c_read(I2C_RETIMER_ADDR2, 1, 1, ®, 1); 292 debug("Retimer version id = 0x%x\n", reg); 293 294 /* Enable Broadcast. All writes target all channel register sets */ 295 reg = 0x0c; 296 i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, ®, 1); 297 298 /* Reset Channel Registers */ 299 i2c_read(I2C_RETIMER_ADDR2, 0, 1, ®, 1); 300 reg |= 0x4; 301 i2c_write(I2C_RETIMER_ADDR2, 0, 1, ®, 1); 302 303 /* Set data rate as 10.3125 Gbps */ 304 reg = 0x90; 305 i2c_write(I2C_RETIMER_ADDR2, 0x60, 1, ®, 1); 306 reg = 0xb3; 307 i2c_write(I2C_RETIMER_ADDR2, 0x61, 1, ®, 1); 308 reg = 0x90; 309 i2c_write(I2C_RETIMER_ADDR2, 0x62, 1, ®, 1); 310 reg = 0xb3; 311 i2c_write(I2C_RETIMER_ADDR2, 0x63, 1, ®, 1); 312 reg = 0xcd; 313 i2c_write(I2C_RETIMER_ADDR2, 0x64, 1, ®, 1); 314 315 /* Select VCO Divider to full rate (000) */ 316 i2c_read(I2C_RETIMER_ADDR2, 0x2F, 1, ®, 1); 317 reg &= 0x0f; 318 reg |= 0x70; 319 i2c_write(I2C_RETIMER_ADDR2, 0x2F, 1, ®, 1); 320 #endif 321 /*return the default channel*/ 322 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); 323 } 324 325 #ifdef CONFIG_MISC_INIT_R 326 int misc_init_r(void) 327 { 328 #ifdef CONFIG_TARGET_LS1088ARDB 329 u8 brdcfg5; 330 331 if (hwconfig("esdhc-force-sd")) { 332 brdcfg5 = QIXIS_READ(brdcfg[5]); 333 brdcfg5 &= ~BRDCFG5_SPISDHC_MASK; 334 brdcfg5 |= BRDCFG5_FORCE_SD; 335 QIXIS_WRITE(brdcfg[5], brdcfg5); 336 } 337 #endif 338 return 0; 339 } 340 #endif 341 #endif 342 343 int i2c_multiplexer_select_vid_channel(u8 channel) 344 { 345 return select_i2c_ch_pca9547(channel); 346 } 347 348 #ifdef CONFIG_TARGET_LS1088AQDS 349 /* read the current value(SVDD) of the LTM Regulator Voltage */ 350 int get_serdes_volt(void) 351 { 352 int ret, vcode = 0; 353 u8 chan = PWM_CHANNEL0; 354 355 /* Select the PAGE 0 using PMBus commands PAGE for VDD */ 356 ret = i2c_write(I2C_SVDD_MONITOR_ADDR, 357 PMBUS_CMD_PAGE, 1, &chan, 1); 358 if (ret) { 359 printf("VID: failed to select VDD Page 0\n"); 360 return ret; 361 } 362 363 /* Read the output voltage using PMBus command READ_VOUT */ 364 ret = i2c_read(I2C_SVDD_MONITOR_ADDR, 365 PMBUS_CMD_READ_VOUT, 1, (void *)&vcode, 2); 366 if (ret) { 367 printf("VID: failed to read the volatge\n"); 368 return ret; 369 } 370 371 return vcode; 372 } 373 374 int set_serdes_volt(int svdd) 375 { 376 int ret, vdd_last; 377 u8 buff[5] = {0x04, PWM_CHANNEL0, PMBUS_CMD_VOUT_COMMAND, 378 svdd & 0xFF, (svdd & 0xFF00) >> 8}; 379 380 /* Write the desired voltage code to the SVDD regulator */ 381 ret = i2c_write(I2C_SVDD_MONITOR_ADDR, 382 PMBUS_CMD_PAGE_PLUS_WRITE, 1, (void *)&buff, 5); 383 if (ret) { 384 printf("VID: I2C failed to write to the volatge regulator\n"); 385 return -1; 386 } 387 388 /* Wait for the volatge to get to the desired value */ 389 do { 390 vdd_last = get_serdes_volt(); 391 if (vdd_last < 0) { 392 printf("VID: Couldn't read sensor abort VID adjust\n"); 393 return -1; 394 } 395 } while (vdd_last != svdd); 396 397 return 1; 398 } 399 #else 400 int get_serdes_volt(void) 401 { 402 return 0; 403 } 404 405 int set_serdes_volt(int svdd) 406 { 407 int ret; 408 u8 brdcfg4; 409 410 printf("SVDD changing of RDB\n"); 411 412 /* Read the BRDCFG54 via CLPD */ 413 ret = i2c_read(CONFIG_SYS_I2C_FPGA_ADDR, 414 QIXIS_BRDCFG4_OFFSET, 1, (void *)&brdcfg4, 1); 415 if (ret) { 416 printf("VID: I2C failed to read the CPLD BRDCFG4\n"); 417 return -1; 418 } 419 420 brdcfg4 = brdcfg4 | 0x08; 421 422 /* Write to the BRDCFG4 */ 423 ret = i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 424 QIXIS_BRDCFG4_OFFSET, 1, (void *)&brdcfg4, 1); 425 if (ret) { 426 debug("VID: I2C failed to set the SVDD CPLD BRDCFG4\n"); 427 return -1; 428 } 429 430 /* Wait for the volatge to get to the desired value */ 431 udelay(10000); 432 433 return 1; 434 } 435 #endif 436 437 /* this function disables the SERDES, changes the SVDD Voltage and enables it*/ 438 int board_adjust_vdd(int vdd) 439 { 440 int ret = 0; 441 442 debug("%s: vdd = %d\n", __func__, vdd); 443 444 /* Special settings to be performed when voltage is 900mV */ 445 if (vdd == 900) { 446 ret = setup_serdes_volt(vdd); 447 if (ret < 0) { 448 ret = -1; 449 goto exit; 450 } 451 } 452 exit: 453 return ret; 454 } 455 456 #if !defined(CONFIG_SPL_BUILD) 457 int board_init(void) 458 { 459 init_final_memctl_regs(); 460 #if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET) 461 u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE; 462 #endif 463 464 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); 465 board_retimer_init(); 466 467 #ifdef CONFIG_ENV_IS_NOWHERE 468 gd->env_addr = (ulong)&default_environment[0]; 469 #endif 470 471 #if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET) 472 /* invert AQR105 IRQ pins polarity */ 473 out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR105_IRQ_MASK); 474 #endif 475 476 #ifdef CONFIG_FSL_CAAM 477 sec_init(); 478 #endif 479 #ifdef CONFIG_FSL_LS_PPA 480 ppa_init(); 481 #endif 482 return 0; 483 } 484 485 void detail_board_ddr_info(void) 486 { 487 puts("\nDDR "); 488 print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, ""); 489 print_ddr_info(0); 490 } 491 492 #if defined(CONFIG_ARCH_MISC_INIT) 493 int arch_misc_init(void) 494 { 495 return 0; 496 } 497 #endif 498 499 #ifdef CONFIG_FSL_MC_ENET 500 void fdt_fixup_board_enet(void *fdt) 501 { 502 int offset; 503 504 offset = fdt_path_offset(fdt, "/fsl-mc"); 505 506 if (offset < 0) 507 offset = fdt_path_offset(fdt, "/fsl,dprc@0"); 508 509 if (offset < 0) { 510 printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n", 511 __func__, offset); 512 return; 513 } 514 515 if ((get_mc_boot_status() == 0) && (get_dpl_apply_status() == 0)) 516 fdt_status_okay(fdt, offset); 517 else 518 fdt_status_fail(fdt, offset); 519 } 520 #endif 521 522 #ifdef CONFIG_OF_BOARD_SETUP 523 void fsl_fdt_fixup_flash(void *fdt) 524 { 525 int offset; 526 527 /* 528 * IFC-NOR and QSPI are muxed on SoC. 529 * So disable IFC node in dts if QSPI is enabled or 530 * disable QSPI node in dts in case QSPI is not enabled. 531 */ 532 533 #ifdef CONFIG_FSL_QSPI 534 offset = fdt_path_offset(fdt, "/soc/ifc/nor"); 535 536 if (offset < 0) 537 offset = fdt_path_offset(fdt, "/ifc/nor"); 538 #else 539 offset = fdt_path_offset(fdt, "/soc/quadspi"); 540 541 if (offset < 0) 542 offset = fdt_path_offset(fdt, "/quadspi"); 543 #endif 544 if (offset < 0) 545 return; 546 547 fdt_status_disabled(fdt, offset); 548 } 549 550 int ft_board_setup(void *blob, bd_t *bd) 551 { 552 int err, i; 553 u64 base[CONFIG_NR_DRAM_BANKS]; 554 u64 size[CONFIG_NR_DRAM_BANKS]; 555 556 ft_cpu_setup(blob, bd); 557 558 /* fixup DT for the two GPP DDR banks */ 559 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 560 base[i] = gd->bd->bi_dram[i].start; 561 size[i] = gd->bd->bi_dram[i].size; 562 } 563 564 #ifdef CONFIG_RESV_RAM 565 /* reduce size if reserved memory is within this bank */ 566 if (gd->arch.resv_ram >= base[0] && 567 gd->arch.resv_ram < base[0] + size[0]) 568 size[0] = gd->arch.resv_ram - base[0]; 569 else if (gd->arch.resv_ram >= base[1] && 570 gd->arch.resv_ram < base[1] + size[1]) 571 size[1] = gd->arch.resv_ram - base[1]; 572 #endif 573 574 fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS); 575 576 fsl_fdt_fixup_flash(blob); 577 578 #ifdef CONFIG_FSL_MC_ENET 579 fdt_fixup_board_enet(blob); 580 err = fsl_mc_ldpaa_exit(bd); 581 if (err) 582 return err; 583 #endif 584 585 return 0; 586 } 587 #endif 588 #endif /* defined(CONFIG_SPL_BUILD) */ 589