1 /* 2 * Copyright 2014 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <i2c.h> 9 #include <asm/io.h> 10 #include <asm/arch/immap_ls102xa.h> 11 #include <asm/arch/clock.h> 12 #include <asm/arch/fsl_serdes.h> 13 #include <asm/arch/ls102xa_devdis.h> 14 #include <asm/arch/ls102xa_soc.h> 15 #include <asm/arch/ls102xa_sata.h> 16 #include <hwconfig.h> 17 #include <mmc.h> 18 #include <fsl_csu.h> 19 #include <fsl_esdhc.h> 20 #include <fsl_ifc.h> 21 #include <fsl_immap.h> 22 #include <netdev.h> 23 #include <fsl_mdio.h> 24 #include <tsec.h> 25 #include <fsl_sec.h> 26 #include <fsl_devdis.h> 27 #include <spl.h> 28 #include "../common/sleep.h" 29 #ifdef CONFIG_U_QE 30 #include <fsl_qe.h> 31 #endif 32 #include <fsl_validate.h> 33 34 35 DECLARE_GLOBAL_DATA_PTR; 36 37 #define VERSION_MASK 0x00FF 38 #define BANK_MASK 0x0001 39 #define CONFIG_RESET 0x1 40 #define INIT_RESET 0x1 41 42 #define CPLD_SET_MUX_SERDES 0x20 43 #define CPLD_SET_BOOT_BANK 0x40 44 45 #define BOOT_FROM_UPPER_BANK 0x0 46 #define BOOT_FROM_LOWER_BANK 0x1 47 48 #define LANEB_SATA (0x01) 49 #define LANEB_SGMII1 (0x02) 50 #define LANEC_SGMII1 (0x04) 51 #define LANEC_PCIEX1 (0x08) 52 #define LANED_PCIEX2 (0x10) 53 #define LANED_SGMII2 (0x20) 54 55 #define MASK_LANE_B 0x1 56 #define MASK_LANE_C 0x2 57 #define MASK_LANE_D 0x4 58 #define MASK_SGMII 0x8 59 60 #define KEEP_STATUS 0x0 61 #define NEED_RESET 0x1 62 63 #define SOFT_MUX_ON_I2C3_IFC 0x2 64 #define SOFT_MUX_ON_CAN3_USB2 0x8 65 #define SOFT_MUX_ON_QE_LCD 0x10 66 67 #define PIN_I2C3_IFC_MUX_I2C3 0x0 68 #define PIN_I2C3_IFC_MUX_IFC 0x1 69 #define PIN_CAN3_USB2_MUX_USB2 0x0 70 #define PIN_CAN3_USB2_MUX_CAN3 0x1 71 #define PIN_QE_LCD_MUX_LCD 0x0 72 #define PIN_QE_LCD_MUX_QE 0x1 73 74 struct cpld_data { 75 u8 cpld_ver; /* cpld revision */ 76 u8 cpld_ver_sub; /* cpld sub revision */ 77 u8 pcba_ver; /* pcb revision number */ 78 u8 system_rst; /* reset system by cpld */ 79 u8 soft_mux_on; /* CPLD override physical switches Enable */ 80 u8 cfg_rcw_src1; /* Reset config word 1 */ 81 u8 cfg_rcw_src2; /* Reset config word 2 */ 82 u8 vbank; /* Flash bank selection Control */ 83 u8 gpio; /* GPIO for TWR-ELEV */ 84 u8 i2c3_ifc_mux; 85 u8 mux_spi2; 86 u8 can3_usb2_mux; /* CAN3 and USB2 Selection */ 87 u8 qe_lcd_mux; /* QE and LCD Selection */ 88 u8 serdes_mux; /* Multiplexed pins for SerDes Lanes */ 89 u8 global_rst; /* reset with init CPLD reg to default */ 90 u8 rev1; /* Reserved */ 91 u8 rev2; /* Reserved */ 92 }; 93 94 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 95 static void convert_serdes_mux(int type, int need_reset); 96 97 void cpld_show(void) 98 { 99 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); 100 101 printf("CPLD: V%x.%x\nPCBA: V%x.0\nVBank: %d\n", 102 in_8(&cpld_data->cpld_ver) & VERSION_MASK, 103 in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK, 104 in_8(&cpld_data->pcba_ver) & VERSION_MASK, 105 in_8(&cpld_data->vbank) & BANK_MASK); 106 107 #ifdef CONFIG_DEBUG 108 printf("soft_mux_on =%x\n", 109 in_8(&cpld_data->soft_mux_on)); 110 printf("cfg_rcw_src1 =%x\n", 111 in_8(&cpld_data->cfg_rcw_src1)); 112 printf("cfg_rcw_src2 =%x\n", 113 in_8(&cpld_data->cfg_rcw_src2)); 114 printf("vbank =%x\n", 115 in_8(&cpld_data->vbank)); 116 printf("gpio =%x\n", 117 in_8(&cpld_data->gpio)); 118 printf("i2c3_ifc_mux =%x\n", 119 in_8(&cpld_data->i2c3_ifc_mux)); 120 printf("mux_spi2 =%x\n", 121 in_8(&cpld_data->mux_spi2)); 122 printf("can3_usb2_mux =%x\n", 123 in_8(&cpld_data->can3_usb2_mux)); 124 printf("qe_lcd_mux =%x\n", 125 in_8(&cpld_data->qe_lcd_mux)); 126 printf("serdes_mux =%x\n", 127 in_8(&cpld_data->serdes_mux)); 128 #endif 129 } 130 #endif 131 132 int checkboard(void) 133 { 134 puts("Board: LS1021ATWR\n"); 135 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 136 cpld_show(); 137 #endif 138 139 return 0; 140 } 141 142 void ddrmc_init(void) 143 { 144 struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR; 145 u32 temp_sdram_cfg, tmp; 146 147 out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG); 148 149 out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS); 150 out_be32(&ddr->cs0_config, DDR_CS0_CONFIG); 151 152 out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0); 153 out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1); 154 out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2); 155 out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3); 156 out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4); 157 out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5); 158 159 #ifdef CONFIG_DEEP_SLEEP 160 if (is_warm_boot()) { 161 out_be32(&ddr->sdram_cfg_2, 162 DDR_SDRAM_CFG_2 & ~SDRAM_CFG2_D_INIT); 163 out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); 164 out_be32(&ddr->init_ext_addr, (1 << 31)); 165 166 /* DRAM VRef will not be trained */ 167 out_be32(&ddr->ddr_cdr2, 168 DDR_DDR_CDR2 & ~DDR_CDR2_VREF_TRAIN_EN); 169 } else 170 #endif 171 { 172 out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2); 173 out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2); 174 } 175 176 out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE); 177 out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2); 178 179 out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL); 180 181 out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL); 182 183 out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2); 184 out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3); 185 186 out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1); 187 188 out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL); 189 out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL); 190 191 out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2); 192 193 /* DDR erratum A-009942 */ 194 tmp = in_be32(&ddr->debug[28]); 195 out_be32(&ddr->debug[28], tmp | 0x0070006f); 196 197 udelay(1); 198 199 #ifdef CONFIG_DEEP_SLEEP 200 if (is_warm_boot()) { 201 /* enter self-refresh */ 202 temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2); 203 temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; 204 out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg); 205 206 temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN | SDRAM_CFG_BI); 207 } else 208 #endif 209 temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI); 210 211 out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg); 212 213 #ifdef CONFIG_DEEP_SLEEP 214 if (is_warm_boot()) { 215 /* exit self-refresh */ 216 temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2); 217 temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; 218 out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg); 219 } 220 #endif 221 } 222 223 int dram_init(void) 224 { 225 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)) 226 ddrmc_init(); 227 #endif 228 229 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); 230 231 #if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD) 232 fsl_dp_resume(); 233 #endif 234 235 return 0; 236 } 237 238 #ifdef CONFIG_FSL_ESDHC 239 struct fsl_esdhc_cfg esdhc_cfg[1] = { 240 {CONFIG_SYS_FSL_ESDHC_ADDR}, 241 }; 242 243 int board_mmc_init(bd_t *bis) 244 { 245 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 246 247 return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); 248 } 249 #endif 250 251 int board_eth_init(bd_t *bis) 252 { 253 #ifdef CONFIG_TSEC_ENET 254 struct fsl_pq_mdio_info mdio_info; 255 struct tsec_info_struct tsec_info[4]; 256 int num = 0; 257 258 #ifdef CONFIG_TSEC1 259 SET_STD_TSEC_INFO(tsec_info[num], 1); 260 if (is_serdes_configured(SGMII_TSEC1)) { 261 puts("eTSEC1 is in sgmii mode.\n"); 262 tsec_info[num].flags |= TSEC_SGMII; 263 } 264 num++; 265 #endif 266 #ifdef CONFIG_TSEC2 267 SET_STD_TSEC_INFO(tsec_info[num], 2); 268 if (is_serdes_configured(SGMII_TSEC2)) { 269 puts("eTSEC2 is in sgmii mode.\n"); 270 tsec_info[num].flags |= TSEC_SGMII; 271 } 272 num++; 273 #endif 274 #ifdef CONFIG_TSEC3 275 SET_STD_TSEC_INFO(tsec_info[num], 3); 276 num++; 277 #endif 278 if (!num) { 279 printf("No TSECs initialized\n"); 280 return 0; 281 } 282 283 mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; 284 mdio_info.name = DEFAULT_MII_NAME; 285 fsl_pq_mdio_init(bis, &mdio_info); 286 287 tsec_eth_init(bis, tsec_info, num); 288 #endif 289 290 return pci_eth_init(bis); 291 } 292 293 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 294 int config_serdes_mux(void) 295 { 296 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); 297 u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK; 298 299 protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT; 300 switch (protocol) { 301 case 0x10: 302 convert_serdes_mux(LANEB_SATA, KEEP_STATUS); 303 convert_serdes_mux(LANED_PCIEX2 | 304 LANEC_PCIEX1, KEEP_STATUS); 305 break; 306 case 0x20: 307 convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS); 308 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS); 309 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); 310 break; 311 case 0x30: 312 convert_serdes_mux(LANEB_SATA, KEEP_STATUS); 313 convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS); 314 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); 315 break; 316 case 0x70: 317 convert_serdes_mux(LANEB_SATA, KEEP_STATUS); 318 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS); 319 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); 320 break; 321 } 322 323 return 0; 324 } 325 #endif 326 327 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 328 int config_board_mux(void) 329 { 330 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); 331 int conflict_flag; 332 333 conflict_flag = 0; 334 if (hwconfig("i2c3")) { 335 conflict_flag++; 336 cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC; 337 cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_I2C3; 338 } 339 340 if (hwconfig("ifc")) { 341 conflict_flag++; 342 /* some signals can not enable simultaneous*/ 343 if (conflict_flag > 1) 344 goto conflict; 345 cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC; 346 cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_IFC; 347 } 348 349 conflict_flag = 0; 350 if (hwconfig("usb2")) { 351 conflict_flag++; 352 cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2; 353 cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_USB2; 354 } 355 356 if (hwconfig("can3")) { 357 conflict_flag++; 358 /* some signals can not enable simultaneous*/ 359 if (conflict_flag > 1) 360 goto conflict; 361 cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2; 362 cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_CAN3; 363 } 364 365 conflict_flag = 0; 366 if (hwconfig("lcd")) { 367 conflict_flag++; 368 cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD; 369 cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_LCD; 370 } 371 372 if (hwconfig("qe")) { 373 conflict_flag++; 374 /* some signals can not enable simultaneous*/ 375 if (conflict_flag > 1) 376 goto conflict; 377 cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD; 378 cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_QE; 379 } 380 381 return 0; 382 383 conflict: 384 printf("WARNING: pin conflict! MUX setting may failed!\n"); 385 return 0; 386 } 387 #endif 388 389 int board_early_init_f(void) 390 { 391 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; 392 393 #ifdef CONFIG_TSEC_ENET 394 /* clear BD & FR bits for BE BD's and frame data */ 395 clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); 396 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125); 397 #endif 398 399 #ifdef CONFIG_FSL_IFC 400 init_early_memctl_regs(); 401 #endif 402 403 arch_soc_init(); 404 405 #if defined(CONFIG_DEEP_SLEEP) 406 if (is_warm_boot()) { 407 timer_init(); 408 dram_init(); 409 } 410 #endif 411 412 return 0; 413 } 414 415 #ifdef CONFIG_SPL_BUILD 416 void board_init_f(ulong dummy) 417 { 418 void (*second_uboot)(void); 419 420 /* Clear the BSS */ 421 memset(__bss_start, 0, __bss_end - __bss_start); 422 423 get_clocks(); 424 425 #if defined(CONFIG_DEEP_SLEEP) 426 if (is_warm_boot()) 427 fsl_dp_disable_console(); 428 #endif 429 430 preloader_console_init(); 431 432 dram_init(); 433 434 /* Allow OCRAM access permission as R/W */ 435 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS 436 enable_layerscape_ns_access(); 437 enable_layerscape_ns_access(); 438 #endif 439 440 /* 441 * if it is woken up from deep sleep, then jump to second 442 * stage uboot and continue executing without recopying 443 * it from SD since it has already been reserved in memeory 444 * in last boot. 445 */ 446 if (is_warm_boot()) { 447 second_uboot = (void (*)(void))CONFIG_SYS_TEXT_BASE; 448 second_uboot(); 449 } 450 451 board_init_r(NULL, 0); 452 } 453 #endif 454 455 #ifdef CONFIG_DEEP_SLEEP 456 /* program the regulator (MC34VR500) to support deep sleep */ 457 void ls1twr_program_regulator(void) 458 { 459 unsigned int i2c_bus; 460 u8 i2c_device_id; 461 462 #define LS1TWR_I2C_BUS_MC34VR500 1 463 #define MC34VR500_ADDR 0x8 464 #define MC34VR500_DEVICEID 0x4 465 #define MC34VR500_DEVICEID_MASK 0x0f 466 467 i2c_bus = i2c_get_bus_num(); 468 i2c_set_bus_num(LS1TWR_I2C_BUS_MC34VR500); 469 i2c_device_id = i2c_reg_read(MC34VR500_ADDR, 0x0) & 470 MC34VR500_DEVICEID_MASK; 471 if (i2c_device_id != MC34VR500_DEVICEID) { 472 printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n"); 473 return; 474 } 475 476 i2c_reg_write(MC34VR500_ADDR, 0x31, 0x4); 477 i2c_reg_write(MC34VR500_ADDR, 0x4d, 0x4); 478 i2c_reg_write(MC34VR500_ADDR, 0x6d, 0x38); 479 i2c_reg_write(MC34VR500_ADDR, 0x6f, 0x37); 480 i2c_reg_write(MC34VR500_ADDR, 0x71, 0x30); 481 482 i2c_set_bus_num(i2c_bus); 483 } 484 #endif 485 486 int board_init(void) 487 { 488 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315 489 erratum_a010315(); 490 #endif 491 492 #ifndef CONFIG_SYS_FSL_NO_SERDES 493 fsl_serdes_init(); 494 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 495 config_serdes_mux(); 496 #endif 497 #endif 498 499 ls102xa_smmu_stream_id_init(); 500 501 #ifdef CONFIG_U_QE 502 u_qe_init(); 503 #endif 504 505 #ifdef CONFIG_DEEP_SLEEP 506 ls1twr_program_regulator(); 507 #endif 508 return 0; 509 } 510 511 #if defined(CONFIG_SPL_BUILD) 512 void spl_board_init(void) 513 { 514 ls102xa_smmu_stream_id_init(); 515 } 516 #endif 517 518 #ifdef CONFIG_BOARD_LATE_INIT 519 int board_late_init(void) 520 { 521 #ifdef CONFIG_SCSI_AHCI_PLAT 522 ls1021a_sata_init(); 523 #endif 524 #ifdef CONFIG_CHAIN_OF_TRUST 525 fsl_setenv_chain_of_trust(); 526 #endif 527 528 return 0; 529 } 530 #endif 531 532 #if defined(CONFIG_MISC_INIT_R) 533 int misc_init_r(void) 534 { 535 #ifdef CONFIG_FSL_DEVICE_DISABLE 536 device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl)); 537 #endif 538 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 539 config_board_mux(); 540 #endif 541 542 #ifdef CONFIG_FSL_CAAM 543 return sec_init(); 544 #endif 545 } 546 #endif 547 548 #if defined(CONFIG_DEEP_SLEEP) 549 void board_sleep_prepare(void) 550 { 551 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS 552 enable_layerscape_ns_access(); 553 #endif 554 } 555 #endif 556 557 int ft_board_setup(void *blob, bd_t *bd) 558 { 559 ft_cpu_setup(blob, bd); 560 561 #ifdef CONFIG_PCI 562 ft_pci_setup(blob, bd); 563 #endif 564 565 return 0; 566 } 567 568 u8 flash_read8(void *addr) 569 { 570 return __raw_readb(addr + 1); 571 } 572 573 void flash_write16(u16 val, void *addr) 574 { 575 u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00)); 576 577 __raw_writew(shftval, addr); 578 } 579 580 u16 flash_read16(void *addr) 581 { 582 u16 val = __raw_readw(addr); 583 584 return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00); 585 } 586 587 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 588 static void convert_flash_bank(char bank) 589 { 590 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); 591 592 printf("Now switch to boot from flash bank %d.\n", bank); 593 cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK; 594 cpld_data->vbank = bank; 595 596 printf("Reset board to enable configuration.\n"); 597 cpld_data->system_rst = CONFIG_RESET; 598 } 599 600 static int flash_bank_cmd(cmd_tbl_t *cmdtp, int flag, int argc, 601 char * const argv[]) 602 { 603 if (argc != 2) 604 return CMD_RET_USAGE; 605 if (strcmp(argv[1], "0") == 0) 606 convert_flash_bank(BOOT_FROM_UPPER_BANK); 607 else if (strcmp(argv[1], "1") == 0) 608 convert_flash_bank(BOOT_FROM_LOWER_BANK); 609 else 610 return CMD_RET_USAGE; 611 612 return 0; 613 } 614 615 U_BOOT_CMD( 616 boot_bank, 2, 0, flash_bank_cmd, 617 "Flash bank Selection Control", 618 "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)" 619 ); 620 621 static int cpld_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, 622 char * const argv[]) 623 { 624 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); 625 626 if (argc > 2) 627 return CMD_RET_USAGE; 628 if ((argc == 1) || (strcmp(argv[1], "conf") == 0)) 629 cpld_data->system_rst = CONFIG_RESET; 630 else if (strcmp(argv[1], "init") == 0) 631 cpld_data->global_rst = INIT_RESET; 632 else 633 return CMD_RET_USAGE; 634 635 return 0; 636 } 637 638 U_BOOT_CMD( 639 cpld_reset, 2, 0, cpld_reset_cmd, 640 "Reset via CPLD", 641 "conf\n" 642 " -reset with current CPLD configuration\n" 643 "init\n" 644 " -reset and initial CPLD configuration with default value" 645 646 ); 647 648 static void convert_serdes_mux(int type, int need_reset) 649 { 650 char current_serdes; 651 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); 652 653 current_serdes = cpld_data->serdes_mux; 654 655 switch (type) { 656 case LANEB_SATA: 657 current_serdes &= ~MASK_LANE_B; 658 break; 659 case LANEB_SGMII1: 660 current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C); 661 break; 662 case LANEC_SGMII1: 663 current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C); 664 break; 665 case LANED_SGMII2: 666 current_serdes |= MASK_LANE_D; 667 break; 668 case LANEC_PCIEX1: 669 current_serdes |= MASK_LANE_C; 670 break; 671 case (LANED_PCIEX2 | LANEC_PCIEX1): 672 current_serdes |= MASK_LANE_C; 673 current_serdes &= ~MASK_LANE_D; 674 break; 675 default: 676 printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type); 677 return; 678 } 679 680 cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES; 681 cpld_data->serdes_mux = current_serdes; 682 683 if (need_reset == 1) { 684 printf("Reset board to enable configuration\n"); 685 cpld_data->system_rst = CONFIG_RESET; 686 } 687 } 688 689 void print_serdes_mux(void) 690 { 691 char current_serdes; 692 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); 693 694 current_serdes = cpld_data->serdes_mux; 695 696 printf("Serdes Lane B: "); 697 if ((current_serdes & MASK_LANE_B) == 0) 698 printf("SATA,\n"); 699 else 700 printf("SGMII 1,\n"); 701 702 printf("Serdes Lane C: "); 703 if ((current_serdes & MASK_LANE_C) == 0) 704 printf("SGMII 1,\n"); 705 else 706 printf("PCIe,\n"); 707 708 printf("Serdes Lane D: "); 709 if ((current_serdes & MASK_LANE_D) == 0) 710 printf("PCIe,\n"); 711 else 712 printf("SGMII 2,\n"); 713 714 printf("SGMII 1 is on lane "); 715 if ((current_serdes & MASK_SGMII) == 0) 716 printf("C.\n"); 717 else 718 printf("B.\n"); 719 } 720 721 static int serdes_mux_cmd(cmd_tbl_t *cmdtp, int flag, int argc, 722 char * const argv[]) 723 { 724 if (argc != 2) 725 return CMD_RET_USAGE; 726 if (strcmp(argv[1], "sata") == 0) { 727 printf("Set serdes lane B to SATA.\n"); 728 convert_serdes_mux(LANEB_SATA, NEED_RESET); 729 } else if (strcmp(argv[1], "sgmii1b") == 0) { 730 printf("Set serdes lane B to SGMII 1.\n"); 731 convert_serdes_mux(LANEB_SGMII1, NEED_RESET); 732 } else if (strcmp(argv[1], "sgmii1c") == 0) { 733 printf("Set serdes lane C to SGMII 1.\n"); 734 convert_serdes_mux(LANEC_SGMII1, NEED_RESET); 735 } else if (strcmp(argv[1], "sgmii2") == 0) { 736 printf("Set serdes lane D to SGMII 2.\n"); 737 convert_serdes_mux(LANED_SGMII2, NEED_RESET); 738 } else if (strcmp(argv[1], "pciex1") == 0) { 739 printf("Set serdes lane C to PCIe X1.\n"); 740 convert_serdes_mux(LANEC_PCIEX1, NEED_RESET); 741 } else if (strcmp(argv[1], "pciex2") == 0) { 742 printf("Set serdes lane C & lane D to PCIe X2.\n"); 743 convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET); 744 } else if (strcmp(argv[1], "show") == 0) { 745 print_serdes_mux(); 746 } else { 747 return CMD_RET_USAGE; 748 } 749 750 return 0; 751 } 752 753 U_BOOT_CMD( 754 lane_bank, 2, 0, serdes_mux_cmd, 755 "Multiplexed function setting for SerDes Lanes", 756 "sata\n" 757 " -change lane B to sata\n" 758 "lane_bank sgmii1b\n" 759 " -change lane B to SGMII1\n" 760 "lane_bank sgmii1c\n" 761 " -change lane C to SGMII1\n" 762 "lane_bank sgmii2\n" 763 " -change lane D to SGMII2\n" 764 "lane_bank pciex1\n" 765 " -change lane C to PCIeX1\n" 766 "lane_bank pciex2\n" 767 " -change lane C & lane D to PCIeX2\n" 768 "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n" 769 ); 770 #endif 771