1 /* 2 * (C) Copyright 2017 Rockchip Electronics Co., Ltd. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <amp.h> 9 #include <android_ab.h> 10 #include <android_bootloader.h> 11 #include <android_image.h> 12 #include <bidram.h> 13 #include <boot_rkimg.h> 14 #include <cli.h> 15 #include <clk.h> 16 #include <console.h> 17 #include <debug_uart.h> 18 #include <dm.h> 19 #include <dvfs.h> 20 #include <fdt_support.h> 21 #include <io-domain.h> 22 #include <image.h> 23 #include <key.h> 24 #include <memblk.h> 25 #include <misc.h> 26 #include <of_live.h> 27 #include <mtd_blk.h> 28 #include <ram.h> 29 #include <rockchip_debugger.h> 30 #include <syscon.h> 31 #include <sysmem.h> 32 #include <video_rockchip.h> 33 #include <xbc.h> 34 #include <asm/io.h> 35 #include <asm/gpio.h> 36 #include <android_avb/rk_avb_ops_user.h> 37 #include <dm/uclass-internal.h> 38 #include <dm/root.h> 39 #include <power/charge_display.h> 40 #include <power/regulator.h> 41 #include <optee_include/OpteeClientInterface.h> 42 #include <optee_include/OpteeClientApiLib.h> 43 #include <optee_include/tee_api_defines.h> 44 #include <asm/arch/boot_mode.h> 45 #include <asm/arch/clock.h> 46 #include <asm/arch/cpu.h> 47 #include <asm/arch/hotkey.h> 48 #include <asm/arch/param.h> 49 #include <asm/arch/periph.h> 50 #include <asm/arch/resource_img.h> 51 #include <asm/arch/rk_atags.h> 52 #include <asm/arch/vendor.h> 53 #ifdef CONFIG_ROCKCHIP_EINK_DISPLAY 54 #include <rk_eink.h> 55 #endif 56 57 DECLARE_GLOBAL_DATA_PTR; 58 59 __weak int rk_board_late_init(void) 60 { 61 return 0; 62 } 63 64 __weak int rk_board_fdt_fixup(void *blob) 65 { 66 return 0; 67 } 68 69 __weak int soc_clk_dump(void) 70 { 71 return 0; 72 } 73 74 __weak int set_armclk_rate(void) 75 { 76 return 0; 77 } 78 79 __weak int rk_board_init(void) 80 { 81 return 0; 82 } 83 84 /* 85 * define serialno max length, the max length is 512 Bytes 86 * The remaining bytes are used to ensure that the first 512 bytes 87 * are valid when executing 'env_set("serial#", value)'. 88 */ 89 #define VENDOR_SN_MAX 513 90 #define CPUID_LEN 0x10 91 #define CPUID_OFF 0x07 92 93 #define MAX_ETHERNET 0x2 94 95 static int rockchip_set_ethaddr(void) 96 { 97 #ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION 98 char buf[ARP_HLEN_ASCII + 1], mac[16]; 99 u8 ethaddr[ARP_HLEN * MAX_ETHERNET] = {0}; 100 int ret, i; 101 bool need_write = false, randomed = false; 102 103 ret = vendor_storage_read(LAN_MAC_ID, ethaddr, sizeof(ethaddr)); 104 for (i = 0; i < MAX_ETHERNET; i++) { 105 if (ret <= 0 || !is_valid_ethaddr(ðaddr[i * ARP_HLEN])) { 106 if (!randomed) { 107 net_random_ethaddr(ðaddr[i * ARP_HLEN]); 108 randomed = true; 109 } else { 110 if (i > 0) { 111 memcpy(ðaddr[i * ARP_HLEN], 112 ðaddr[(i - 1) * ARP_HLEN], 113 ARP_HLEN); 114 ethaddr[i * ARP_HLEN] |= 0x02; 115 ethaddr[i * ARP_HLEN] += (i << 2); 116 } 117 } 118 119 need_write = true; 120 } 121 122 if (is_valid_ethaddr(ðaddr[i * ARP_HLEN])) { 123 sprintf(buf, "%pM", ðaddr[i * ARP_HLEN]); 124 if (i == 0) 125 memcpy(mac, "ethaddr", sizeof("ethaddr")); 126 else 127 sprintf(mac, "eth%daddr", i); 128 env_set(mac, buf); 129 } 130 } 131 132 if (need_write) { 133 ret = vendor_storage_write(LAN_MAC_ID, 134 ethaddr, sizeof(ethaddr)); 135 if (ret < 0) 136 printf("%s: vendor_storage_write failed %d\n", 137 __func__, ret); 138 } 139 #endif 140 141 return 0; 142 } 143 144 static int rockchip_set_serialno(void) 145 { 146 u8 low[CPUID_LEN / 2], high[CPUID_LEN / 2]; 147 u8 cpuid[CPUID_LEN] = {0}; 148 char serialno_str[VENDOR_SN_MAX]; 149 int ret = 0, i; 150 u64 serialno; 151 152 /* Read serial number from vendor storage part */ 153 memset(serialno_str, 0, VENDOR_SN_MAX); 154 155 #ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION 156 ret = vendor_storage_read(SN_ID, serialno_str, (VENDOR_SN_MAX-1)); 157 if (ret > 0) { 158 i = strlen(serialno_str); 159 for (; i > 0; i--) { 160 if ((serialno_str[i] >= 'a' && serialno_str[i] <= 'z') || 161 (serialno_str[i] >= 'A' && serialno_str[i] <= 'Z') || 162 (serialno_str[i] >= '0' && serialno_str[i] <= '9')) 163 break; 164 } 165 166 serialno_str[i + 1] = 0x0; 167 env_set("serial#", serialno_str); 168 } else { 169 #endif 170 #if defined(CONFIG_ROCKCHIP_EFUSE) || defined(CONFIG_ROCKCHIP_OTP) 171 struct udevice *dev; 172 173 /* retrieve the device */ 174 if (IS_ENABLED(CONFIG_ROCKCHIP_EFUSE)) 175 ret = uclass_get_device_by_driver(UCLASS_MISC, 176 DM_GET_DRIVER(rockchip_efuse), 177 &dev); 178 else 179 ret = uclass_get_device_by_driver(UCLASS_MISC, 180 DM_GET_DRIVER(rockchip_otp), 181 &dev); 182 183 if (ret) { 184 printf("%s: could not find efuse/otp device\n", __func__); 185 return ret; 186 } 187 188 /* read the cpu_id range from the efuses */ 189 ret = misc_read(dev, CPUID_OFF, &cpuid, sizeof(cpuid)); 190 if (ret) { 191 printf("%s: read cpuid from efuse/otp failed, ret=%d\n", 192 __func__, ret); 193 return ret; 194 } 195 #else 196 /* generate random cpuid */ 197 for (i = 0; i < CPUID_LEN; i++) 198 cpuid[i] = (u8)(rand()); 199 #endif 200 /* Generate the serial number based on CPU ID */ 201 for (i = 0; i < 8; i++) { 202 low[i] = cpuid[1 + (i << 1)]; 203 high[i] = cpuid[i << 1]; 204 } 205 206 serialno = crc32_no_comp(0, low, 8); 207 serialno |= (u64)crc32_no_comp(serialno, high, 8) << 32; 208 snprintf(serialno_str, sizeof(serialno_str), "%llx", serialno); 209 210 env_set("serial#", serialno_str); 211 #ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION 212 } 213 #endif 214 215 return ret; 216 } 217 218 #if defined(CONFIG_USB_FUNCTION_FASTBOOT) 219 int fb_set_reboot_flag(void) 220 { 221 printf("Setting reboot to fastboot flag ...\n"); 222 writel(BOOT_FASTBOOT, CONFIG_ROCKCHIP_BOOT_MODE_REG); 223 224 return 0; 225 } 226 #endif 227 228 #ifdef CONFIG_ROCKCHIP_USB_BOOT 229 static int boot_from_udisk(void) 230 { 231 struct blk_desc *desc; 232 char *devtype; 233 char *devnum; 234 235 devtype = env_get("devtype"); 236 devnum = env_get("devnum"); 237 238 /* Booting priority: mmc1 > udisk */ 239 if (!strcmp(devtype, "mmc") && !strcmp(devnum, "1")) 240 return 0; 241 242 if (!run_command("usb start", -1)) { 243 desc = blk_get_devnum_by_type(IF_TYPE_USB, 0); 244 if (!desc) { 245 printf("No usb device found\n"); 246 return -ENODEV; 247 } 248 249 if (!run_command("rkimgtest usb 0", -1)) { 250 rockchip_set_bootdev(desc); 251 env_set("devtype", "usb"); 252 env_set("devnum", "0"); 253 printf("Boot from usb 0\n"); 254 } else { 255 printf("No usb dev 0 found\n"); 256 return -ENODEV; 257 } 258 } 259 260 return 0; 261 } 262 #endif 263 264 static void env_fixup(void) 265 { 266 struct memblock mem; 267 ulong u_addr_r; 268 phys_size_t end; 269 char *addr_r; 270 271 #ifdef ENV_MEM_LAYOUT_SETTINGS1 272 const char *env_addr0[] = { 273 "scriptaddr", "pxefile_addr_r", 274 "fdt_addr_r", "kernel_addr_r", "ramdisk_addr_r", 275 }; 276 const char *env_addr1[] = { 277 "scriptaddr1", "pxefile_addr1_r", 278 "fdt_addr1_r", "kernel_addr1_r", "ramdisk_addr1_r", 279 }; 280 int i; 281 282 /* 128M is a typical ram size for most platform, so as default here */ 283 if (gd->ram_size <= SZ_128M) { 284 /* Replace orignal xxx_addr_r */ 285 for (i = 0; i < ARRAY_SIZE(env_addr1); i++) { 286 addr_r = env_get(env_addr1[i]); 287 if (addr_r) 288 env_set(env_addr0[i], addr_r); 289 } 290 } 291 #endif 292 /* No BL32 ? */ 293 if (!(gd->flags & GD_FLG_BL32_ENABLED)) { 294 /* 295 * [1] Move kernel to lower address if possible. 296 */ 297 addr_r = env_get("kernel_addr_no_low_bl32_r"); 298 if (addr_r) 299 env_set("kernel_addr_r", addr_r); 300 301 /* 302 * [2] Move ramdisk at BL32 position if need. 303 * 304 * 0x0a200000 and 0x08400000 are rockchip traditional address 305 * of BL32 and ramdisk: 306 * 307 * |------------|------------| 308 * | BL32 | ramdisk | 309 * |------------|------------| 310 * 311 * Move ramdisk to BL32 address to fix sysmem alloc failed 312 * issue on the board with critical memory(ie. 256MB). 313 */ 314 if (gd->ram_size > SZ_128M && gd->ram_size <= SZ_256M) { 315 u_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0); 316 if (u_addr_r == 0x0a200000) 317 env_set("ramdisk_addr_r", "0x08400000"); 318 } 319 } else { 320 mem = param_parse_optee_mem(); 321 322 /* 323 * [1] Move kernel forward if possible. 324 */ 325 if (mem.base > SZ_128M) { 326 addr_r = env_get("kernel_addr_no_low_bl32_r"); 327 if (addr_r) 328 env_set("kernel_addr_r", addr_r); 329 } 330 331 /* 332 * [2] Move ramdisk backward if optee enlarge. 333 */ 334 end = mem.base + mem.size; 335 u_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0); 336 if (u_addr_r >= mem.base && u_addr_r < end) 337 env_set_hex("ramdisk_addr_r", end); 338 } 339 } 340 341 static void cmdline_handle(void) 342 { 343 struct blk_desc *dev_desc; 344 345 #ifdef CONFIG_ROCKCHIP_PRELOADER_ATAGS 346 struct tag *t; 347 348 t = atags_get_tag(ATAG_PUB_KEY); 349 if (t) { 350 /* Pass if efuse/otp programmed */ 351 if (t->u.pub_key.flag == PUBKEY_FUSE_PROGRAMMED) 352 env_update("bootargs", "fuse.programmed=1"); 353 else 354 env_update("bootargs", "fuse.programmed=0"); 355 } 356 #endif 357 dev_desc = rockchip_get_bootdev(); 358 if (!dev_desc) 359 return; 360 361 /* 362 * From rk356x, the sd/udisk update flag was moved from 363 * IDB to Android BCB. 364 */ 365 if (get_bcb_recovery_msg() == BCB_MSG_RECOVERY_RK_FWUPDATE) { 366 if (dev_desc->if_type == IF_TYPE_MMC && dev_desc->devnum == 1) 367 env_update("bootargs", "sdfwupdate"); 368 else if (dev_desc->if_type == IF_TYPE_USB && dev_desc->devnum == 0) 369 env_update("bootargs", "usbfwupdate"); 370 } 371 } 372 373 int board_late_init(void) 374 { 375 rockchip_set_ethaddr(); 376 rockchip_set_serialno(); 377 setup_download_mode(); 378 #if (CONFIG_ROCKCHIP_BOOT_MODE_REG > 0) 379 setup_boot_mode(); 380 #endif 381 #ifdef CONFIG_ROCKCHIP_USB_BOOT 382 boot_from_udisk(); 383 #endif 384 #ifdef CONFIG_DM_CHARGE_DISPLAY 385 charge_display(); 386 #endif 387 #ifdef CONFIG_DRM_ROCKCHIP 388 rockchip_show_logo(); 389 #endif 390 #ifdef CONFIG_ROCKCHIP_EINK_DISPLAY 391 rockchip_eink_show_uboot_logo(); 392 #endif 393 env_fixup(); 394 soc_clk_dump(); 395 cmdline_handle(); 396 #ifdef CONFIG_AMP 397 amp_cpus_on(); 398 #endif 399 return rk_board_late_init(); 400 } 401 402 static void early_download(void) 403 { 404 #if defined(CONFIG_PWRKEY_DNL_TRIGGER_NUM) && \ 405 (CONFIG_PWRKEY_DNL_TRIGGER_NUM > 0) 406 if (pwrkey_download_init()) 407 printf("Pwrkey download init failed\n"); 408 #endif 409 410 #if (CONFIG_ROCKCHIP_BOOT_MODE_REG > 0) 411 if (is_hotkey(HK_BROM_DNL)) { 412 printf("Enter bootrom download..."); 413 flushc(); 414 writel(BOOT_BROM_DOWNLOAD, CONFIG_ROCKCHIP_BOOT_MODE_REG); 415 do_reset(NULL, 0, 0, NULL); 416 printf("failed!\n"); 417 } 418 #endif 419 } 420 421 static void board_debug_init(void) 422 { 423 if (!gd->serial.using_pre_serial && 424 !(gd->flags & GD_FLG_DISABLE_CONSOLE)) 425 debug_uart_init(); 426 427 if (tstc()) { 428 gd->console_evt = getc(); 429 if (gd->console_evt <= 0x1a) /* 'z' */ 430 printf("Hotkey: ctrl+%c\n", gd->console_evt + 'a' - 1); 431 } 432 433 if (IS_ENABLED(CONFIG_CONSOLE_DISABLE_CLI)) 434 printf("Cmd interface: disabled\n"); 435 } 436 437 #if defined(CONFIG_MTD_BLK) && defined(CONFIG_USING_KERNEL_DTB) 438 static void board_mtd_blk_map_partitions(void) 439 { 440 struct blk_desc *dev_desc; 441 442 dev_desc = rockchip_get_bootdev(); 443 if (dev_desc) 444 mtd_blk_map_partitions(dev_desc); 445 } 446 #endif 447 448 int board_init(void) 449 { 450 board_debug_init(); 451 /* optee select security level */ 452 #ifdef CONFIG_OPTEE_CLIENT 453 trusty_select_security_level(); 454 #endif 455 456 #ifdef DEBUG 457 soc_clk_dump(); 458 #endif 459 460 #ifdef CONFIG_USING_KERNEL_DTB 461 #ifdef CONFIG_MTD_BLK 462 board_mtd_blk_map_partitions(); 463 #endif 464 init_kernel_dtb(); 465 #endif 466 early_download(); 467 468 /* 469 * pmucru isn't referenced on some platforms, so pmucru driver can't 470 * probe that the "assigned-clocks" is unused. 471 */ 472 clks_probe(); 473 #ifdef CONFIG_DM_REGULATOR 474 if (regulators_enable_boot_on(is_hotkey(HK_REGULATOR))) 475 debug("%s: Can't enable boot on regulator\n", __func__); 476 #endif 477 478 #ifdef CONFIG_ROCKCHIP_IO_DOMAIN 479 io_domain_init(); 480 #endif 481 482 set_armclk_rate(); 483 484 #ifdef CONFIG_DM_DVFS 485 dvfs_init(true); 486 #endif 487 488 #ifdef CONFIG_ANDROID_AB 489 if (ab_decrease_tries()) 490 printf("Decrease ab tries count fail!\n"); 491 #endif 492 493 return rk_board_init(); 494 } 495 496 int interrupt_debugger_init(void) 497 { 498 #ifdef CONFIG_ROCKCHIP_DEBUGGER 499 return rockchip_debugger_init(); 500 #else 501 return 0; 502 #endif 503 } 504 505 int board_fdt_fixup(void *blob) 506 { 507 /* Common fixup for DRM */ 508 #ifdef CONFIG_DRM_ROCKCHIP 509 rockchip_display_fixup(blob); 510 #endif 511 512 return rk_board_fdt_fixup(blob); 513 } 514 515 #if defined(CONFIG_ARM64_BOOT_AARCH32) || !defined(CONFIG_ARM64) 516 /* 517 * Common for OP-TEE: 518 * 64-bit & 32-bit mode: share memory dcache is always enabled; 519 * 520 * Common for U-Boot: 521 * 64-bit mode: MMU table is static defined in rkxxx.c file, all memory 522 * regions are mapped. That's good to match OP-TEE MMU policy. 523 * 524 * 32-bit mode: MMU table is setup according to gd->bd->bi_dram[..] where 525 * the OP-TEE region has been reserved, so it can not be 526 * mapped(i.e. dcache is disabled). That's *NOT* good to match 527 * OP-TEE MMU policy. 528 * 529 * For the data coherence when communication between U-Boot and OP-TEE, U-Boot 530 * should follow OP-TEE MMU policy. 531 * 532 * So 32-bit mode U-Boot should map OP-TEE share memory as dcache enabled. 533 */ 534 int board_initr_caches_fixup(void) 535 { 536 #ifdef CONFIG_OPTEE_CLIENT 537 struct memblock mem; 538 539 mem.base = 0; 540 mem.size = 0; 541 542 optee_get_shm_config(&mem.base, &mem.size); 543 if (mem.size) 544 mmu_set_region_dcache_behaviour(mem.base, mem.size, 545 DCACHE_WRITEBACK); 546 #endif 547 return 0; 548 } 549 #endif 550 551 void arch_preboot_os(uint32_t bootm_state, bootm_headers_t *images) 552 { 553 if (!(bootm_state & BOOTM_STATE_OS_PREP)) 554 return; 555 556 #ifdef CONFIG_ARM64 557 u8 *data = (void *)images->ep; 558 ulong dst; 559 560 /* 561 * Fix kernel 5.10 arm64 boot warning: 562 * "[Firmware Bug]: Kernel image misaligned at boot, please fix your bootloader!" 563 * 564 * kernel: 5.10 commit 120dc60d0bdb ("arm64: get rid of TEXT_OFFSET") 565 * arm64 kernel version: 566 * data[10] == 0x00 if kernel version >= 5.10 567 * data[10] == 0x08 if kernel version < 5.10 568 * 569 * Why fix here? 570 * 1. this is the common and final path for any boot command. 571 * 2. don't influence original boot flow, just fix it exactly before 572 * jumping kernel. 573 */ 574 if (data[10] == 0x00) { 575 dst = round_down(images->ep, SZ_2M); 576 if (dst != images->ep) { 577 memcpy((char *)dst, (const char *)images->ep, 578 images->os.image_len); 579 printf(" ** RELOCATE ** Kernel from 0x%08lx to 0x%08lx\n", 580 images->ep, dst); 581 images->ep = dst; 582 } 583 } 584 #endif 585 hotkey_run(HK_CLI_OS_PRE); 586 } 587 588 void enable_caches(void) 589 { 590 icache_enable(); 591 dcache_enable(); 592 } 593 594 #ifdef CONFIG_LMB 595 /* 596 * Using last bi_dram[...] to initialize "bootm_low" and "bootm_mapsize". 597 * This makes lmb_alloc_base() always alloc from tail of sdram. 598 * If we don't assign it, bi_dram[0] is used by default and it may cause 599 * lmb_alloc_base() fail when bi_dram[0] range is small. 600 */ 601 void board_lmb_reserve(struct lmb *lmb) 602 { 603 char bootm_mapsize[32]; 604 char bootm_low[32]; 605 u64 start, size; 606 int i; 607 608 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 609 if (!gd->bd->bi_dram[i].size) 610 break; 611 } 612 613 start = gd->bd->bi_dram[i - 1].start; 614 size = gd->bd->bi_dram[i - 1].size; 615 616 /* 617 * 32-bit kernel: ramdisk/fdt shouldn't be loaded to highmem area(768MB+), 618 * otherwise "Unable to handle kernel paging request at virtual address ...". 619 * 620 * So that we hope limit highest address at 768M, but there comes the the 621 * problem: ramdisk is a compressed image and it expands after descompress, 622 * so it accesses 768MB+ and brings the above "Unable to handle kernel ...". 623 * 624 * We make a appointment that the highest memory address is 512MB, it 625 * makes lmb alloc safer. 626 */ 627 #ifndef CONFIG_ARM64 628 if (start >= ((u64)CONFIG_SYS_SDRAM_BASE + SZ_512M)) { 629 start = gd->bd->bi_dram[i - 2].start; 630 size = gd->bd->bi_dram[i - 2].size; 631 } 632 633 if ((start + size) > ((u64)CONFIG_SYS_SDRAM_BASE + SZ_512M)) 634 size = (u64)CONFIG_SYS_SDRAM_BASE + SZ_512M - start; 635 #endif 636 sprintf(bootm_low, "0x%llx", start); 637 sprintf(bootm_mapsize, "0x%llx", size); 638 env_set("bootm_low", bootm_low); 639 env_set("bootm_mapsize", bootm_mapsize); 640 } 641 #endif 642 643 #ifdef CONFIG_BIDRAM 644 int board_bidram_reserve(struct bidram *bidram) 645 { 646 struct memblock mem; 647 int ret; 648 649 /* ATF */ 650 mem = param_parse_atf_mem(); 651 ret = bidram_reserve(MEM_ATF, mem.base, mem.size); 652 if (ret) 653 return ret; 654 655 /* PSTORE/ATAGS/SHM */ 656 mem = param_parse_common_resv_mem(); 657 ret = bidram_reserve(MEM_SHM, mem.base, mem.size); 658 if (ret) 659 return ret; 660 661 /* OP-TEE */ 662 mem = param_parse_optee_mem(); 663 ret = bidram_reserve(MEM_OPTEE, mem.base, mem.size); 664 if (ret) 665 return ret; 666 667 return 0; 668 } 669 670 int board_sysmem_reserve(struct sysmem *sysmem) 671 { 672 #ifdef CONFIG_SKIP_RELOCATE_UBOOT 673 if (!sysmem_alloc_base_by_name("NO-RELOC-CODE", 674 CONFIG_SYS_TEXT_BASE, SZ_2M)) { 675 printf("Failed to reserve sysmem for U-Boot code\n"); 676 return -ENOMEM; 677 } 678 #endif 679 return 0; 680 } 681 682 parse_fn_t board_bidram_parse_fn(void) 683 { 684 return param_parse_ddr_mem; 685 } 686 #endif 687 688 int board_init_f_boot_flags(void) 689 { 690 int boot_flags = 0; 691 692 /* pre-loader serial */ 693 #if defined(CONFIG_ROCKCHIP_PRELOADER_SERIAL) && \ 694 defined(CONFIG_ROCKCHIP_PRELOADER_ATAGS) 695 struct tag *t; 696 697 t = atags_get_tag(ATAG_SERIAL); 698 if (t) { 699 gd->serial.using_pre_serial = 1; 700 gd->serial.enable = t->u.serial.enable; 701 gd->serial.baudrate = t->u.serial.baudrate; 702 gd->serial.addr = t->u.serial.addr; 703 gd->serial.id = t->u.serial.id; 704 gd->baudrate = CONFIG_BAUDRATE; 705 if (!t->u.serial.enable) 706 boot_flags |= GD_FLG_DISABLE_CONSOLE; 707 debug("preloader: enable=%d, addr=0x%lx, baudrate=%d, id=%d\n", 708 gd->serial.enable, gd->serial.addr, 709 gd->serial.baudrate, gd->serial.id); 710 } else 711 #endif 712 { 713 gd->baudrate = CONFIG_BAUDRATE; 714 gd->serial.baudrate = CONFIG_BAUDRATE; 715 gd->serial.addr = CONFIG_DEBUG_UART_BASE; 716 } 717 718 /* The highest priority to turn off (override) console */ 719 #if defined(CONFIG_DISABLE_CONSOLE) 720 boot_flags |= GD_FLG_DISABLE_CONSOLE; 721 #endif 722 723 return boot_flags; 724 } 725 726 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) 727 #include <fdt_support.h> 728 #include <usb.h> 729 #include <usb/dwc2_udc.h> 730 731 static struct dwc2_plat_otg_data otg_data = { 732 .rx_fifo_sz = 512, 733 .np_tx_fifo_sz = 16, 734 .tx_fifo_sz = 128, 735 }; 736 737 int board_usb_init(int index, enum usb_init_type init) 738 { 739 const void *blob = gd->fdt_blob; 740 const fdt32_t *reg; 741 fdt_addr_t addr; 742 int node; 743 744 /* find the usb_otg node */ 745 node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc2"); 746 747 retry: 748 if (node > 0) { 749 reg = fdt_getprop(blob, node, "reg", NULL); 750 if (!reg) 751 return -EINVAL; 752 753 addr = fdt_translate_address(blob, node, reg); 754 if (addr == OF_BAD_ADDR) { 755 pr_err("Not found usb_otg address\n"); 756 return -EINVAL; 757 } 758 759 #if defined(CONFIG_ROCKCHIP_RK3288) 760 if (addr != 0xff580000) { 761 node = fdt_node_offset_by_compatible(blob, node, 762 "snps,dwc2"); 763 goto retry; 764 } 765 #endif 766 } else { 767 /* 768 * With kernel dtb support, rk3288 dwc2 otg node 769 * use the rockchip legacy dwc2 driver "dwc_otg_310" 770 * with the compatible "rockchip,rk3288_usb20_otg", 771 * and rk3368 also use the "dwc_otg_310" driver with 772 * the compatible "rockchip,rk3368-usb". 773 */ 774 #if defined(CONFIG_ROCKCHIP_RK3288) 775 node = fdt_node_offset_by_compatible(blob, -1, 776 "rockchip,rk3288_usb20_otg"); 777 #elif defined(CONFIG_ROCKCHIP_RK3368) 778 node = fdt_node_offset_by_compatible(blob, -1, 779 "rockchip,rk3368-usb"); 780 #endif 781 if (node > 0) { 782 goto retry; 783 } else { 784 pr_err("Not found usb_otg device\n"); 785 return -ENODEV; 786 } 787 } 788 789 otg_data.regs_otg = (uintptr_t)addr; 790 791 return dwc2_udc_probe(&otg_data); 792 } 793 794 int board_usb_cleanup(int index, enum usb_init_type init) 795 { 796 return 0; 797 } 798 #endif 799 800 static void bootm_no_reloc(void) 801 { 802 char *ramdisk_high; 803 char *fdt_high; 804 805 if (!env_get_yesno("bootm-no-reloc")) 806 return; 807 808 ramdisk_high = env_get("initrd_high"); 809 fdt_high = env_get("fdt_high"); 810 811 if (!fdt_high) { 812 env_set_hex("fdt_high", -1UL); 813 printf("Fdt "); 814 } 815 816 if (!ramdisk_high) { 817 env_set_hex("initrd_high", -1UL); 818 printf("Ramdisk "); 819 } 820 821 if (!fdt_high || !ramdisk_high) 822 printf("skip relocation\n"); 823 } 824 825 int bootm_board_start(void) 826 { 827 /* 828 * print console record data 829 * 830 * On some rockchip platforms, uart debug and sdmmc pin are multiplex. 831 * If boot from sdmmc mode, the console data would be record in buffer, 832 * we switch to uart debug function in order to print it after loading 833 * images. 834 */ 835 #if defined(CONFIG_CONSOLE_RECORD) 836 if (!strcmp("mmc", env_get("devtype")) && 837 !strcmp("1", env_get("devnum"))) { 838 printf("IOMUX: sdmmc => uart debug"); 839 pinctrl_select_state(gd->cur_serial_dev, "default"); 840 console_record_print_purge(); 841 } 842 #endif 843 /* disable bootm relcation to save boot time */ 844 bootm_no_reloc(); 845 846 /* PCBA test needs more permission */ 847 if (get_bcb_recovery_msg() == BCB_MSG_RECOVERY_PCBA) 848 env_update("bootargs", "androidboot.selinux=permissive"); 849 850 /* sysmem */ 851 hotkey_run(HK_SYSMEM); 852 sysmem_overflow_check(); 853 854 return 0; 855 } 856 857 int bootm_image_populate_dtb(void *img) 858 { 859 if ((gd->flags & GD_FLG_KDTB_READY) && !gd->fdt_blob_kern) 860 sysmem_free((phys_addr_t)gd->fdt_blob); 861 else 862 gd->fdt_blob = (void *)env_get_ulong("fdt_addr_r", 16, 0); 863 864 return resource_populate_dtb(img, (void *)gd->fdt_blob); 865 } 866 867 /* 868 * Implement it to support CLI command: 869 * - Android: bootm [aosp addr] 870 * - FIT: bootm [fit addr] 871 * - uImage: bootm [uimage addr] 872 * 873 * Purpose: 874 * - The original bootm command args require fdt addr on AOSP, 875 * which is not flexible on rockchip boot/recovery.img. 876 * - Take Android/FIT/uImage image into sysmem management to avoid image 877 * memory overlap. 878 */ 879 #if defined(CONFIG_ANDROID_BOOTLOADER) || \ 880 defined(CONFIG_ROCKCHIP_FIT_IMAGE) || \ 881 defined(CONFIG_ROCKCHIP_UIMAGE) 882 int board_do_bootm(int argc, char * const argv[]) 883 { 884 int format; 885 void *img; 886 887 if (argc != 2) 888 return 0; 889 890 img = (void *)simple_strtoul(argv[1], NULL, 16); 891 format = (genimg_get_format(img)); 892 893 /* Android */ 894 #ifdef CONFIG_ANDROID_BOOT_IMAGE 895 if (format == IMAGE_FORMAT_ANDROID) { 896 struct andr_img_hdr *hdr; 897 ulong load_addr; 898 ulong size; 899 int ret; 900 901 hdr = (struct andr_img_hdr *)img; 902 printf("BOOTM: transferring to board Android\n"); 903 904 load_addr = env_get_ulong("kernel_addr_r", 16, 0); 905 load_addr -= hdr->page_size; 906 size = android_image_get_end(hdr) - (ulong)hdr; 907 908 if (!sysmem_alloc_base(MEM_ANDROID, (ulong)hdr, size)) 909 return -ENOMEM; 910 911 ret = bootm_image_populate_dtb(img); 912 if (ret) { 913 printf("bootm can't read dtb\n"); 914 return ret; 915 } 916 917 ret = android_image_memcpy_separate(hdr, &load_addr); 918 if (ret) { 919 printf("board do bootm failed, ret=%d\n", ret); 920 return ret; 921 } 922 923 return android_bootloader_boot_kernel(load_addr); 924 } 925 #endif 926 927 /* FIT */ 928 #if IMAGE_ENABLE_FIT 929 if (format == IMAGE_FORMAT_FIT) { 930 char boot_cmd[64]; 931 int ret; 932 933 printf("BOOTM: transferring to board FIT\n"); 934 935 ret = bootm_image_populate_dtb(img); 936 if (ret) { 937 printf("bootm can't read dtb\n"); 938 return ret; 939 } 940 snprintf(boot_cmd, sizeof(boot_cmd), "boot_fit %s", argv[1]); 941 return run_command(boot_cmd, 0); 942 } 943 #endif 944 945 /* uImage */ 946 #if 0 947 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 948 if (format == IMAGE_FORMAT_LEGACY && 949 image_get_type(img) == IH_TYPE_MULTI) { 950 char boot_cmd[64]; 951 952 printf("BOOTM: transferring to board uImage\n"); 953 snprintf(boot_cmd, sizeof(boot_cmd), "boot_uimage %s", argv[1]); 954 return run_command(boot_cmd, 0); 955 } 956 #endif 957 #endif 958 return 0; 959 } 960 #endif 961 962 void autoboot_command_fail_handle(void) 963 { 964 #ifdef CONFIG_ANDROID_AB 965 if (rk_avb_ab_have_bootable_slot() == true) 966 run_command("reset;", 0); 967 else 968 run_command("fastboot usb 0;", 0); 969 #endif 970 971 #ifdef CONFIG_AVB_VBMETA_PUBLIC_KEY_VALIDATE 972 run_command("rockusb 0 ${devtype} ${devnum}", 0); 973 run_command("fastboot usb 0;", 0); 974 #endif 975 976 } 977 978 #ifdef CONFIG_FIT_ROLLBACK_PROTECT 979 980 #define FIT_ROLLBACK_INDEX_LOCATION 0x66697472 /* "fitr" */ 981 982 int fit_read_otp_rollback_index(uint32_t fit_index, uint32_t *otp_index) 983 { 984 #ifdef CONFIG_OPTEE_CLIENT 985 u64 index; 986 int ret; 987 988 ret = trusty_read_rollback_index(FIT_ROLLBACK_INDEX_LOCATION, &index); 989 if (ret) { 990 if (ret != TEE_ERROR_ITEM_NOT_FOUND) 991 return ret; 992 993 index = 0; 994 printf("Initial otp index as %d\n", fit_index); 995 } 996 997 *otp_index = (uint32_t)index; 998 #else 999 *otp_index = 0; 1000 #endif 1001 1002 return 0; 1003 } 1004 1005 int fit_write_trusty_rollback_index(u32 trusty_index) 1006 { 1007 if (!trusty_index) 1008 return 0; 1009 1010 return trusty_write_rollback_index(FIT_ROLLBACK_INDEX_LOCATION, 1011 (u64)trusty_index); 1012 } 1013 #endif 1014 1015 void board_quiesce_devices(void *images) 1016 { 1017 hotkey_run(HK_CMDLINE); 1018 hotkey_run(HK_CLI_OS_GO); 1019 1020 #ifdef CONFIG_ROCKCHIP_PRELOADER_ATAGS 1021 /* Destroy atags makes next warm boot safer */ 1022 atags_destroy(); 1023 #endif 1024 1025 #ifdef CONFIG_ROCKCHIP_REBOOT_TEST 1026 do_reset(NULL, 0, 0, NULL); 1027 #endif 1028 1029 #ifdef CONFIG_FIT_ROLLBACK_PROTECT 1030 int ret; 1031 1032 ret = fit_write_trusty_rollback_index(gd->rollback_index); 1033 if (ret) { 1034 panic("Failed to write fit rollback index %d, ret=%d", 1035 gd->rollback_index, ret); 1036 } 1037 #endif 1038 1039 #ifdef CONFIG_ROCKCHIP_HW_DECOMPRESS 1040 misc_decompress_cleanup(); 1041 #endif 1042 } 1043 1044 char *board_fdt_chosen_bootargs(void *fdt) 1045 { 1046 /* bootargs_ext is used when dtbo is applied. */ 1047 const char *arr_bootargs[] = { "bootargs", "bootargs_ext" }; 1048 const char *bootargs; 1049 int nodeoffset; 1050 int i, dump; 1051 char *msg = "kernel"; 1052 1053 /* debug */ 1054 hotkey_run(HK_INITCALL); 1055 dump = is_hotkey(HK_CMDLINE); 1056 if (dump) 1057 printf("## bootargs(u-boot): %s\n\n", env_get("bootargs")); 1058 1059 /* find or create "/chosen" node. */ 1060 nodeoffset = fdt_find_or_add_subnode(fdt, 0, "chosen"); 1061 if (nodeoffset < 0) 1062 return NULL; 1063 1064 for (i = 0; i < ARRAY_SIZE(arr_bootargs); i++) { 1065 bootargs = fdt_getprop(fdt, nodeoffset, arr_bootargs[i], NULL); 1066 if (!bootargs) 1067 continue; 1068 #ifdef CONFIG_ENVF 1069 /* Allow "bootargs_envf" to replace "bootargs" */ 1070 if (!strcmp("bootargs", arr_bootargs[i]) && 1071 env_get("bootargs_envf")) { 1072 bootargs = env_get("bootargs_envf"); 1073 msg = "envf"; 1074 } 1075 #endif 1076 if (dump) 1077 printf("## bootargs(%s-%s): %s\n\n", 1078 msg, arr_bootargs[i], bootargs); 1079 /* 1080 * Append kernel bootargs 1081 * If use AB system, delete default "root=" which route 1082 * to rootfs. Then the ab bootctl will choose the 1083 * high priority system to boot and add its UUID 1084 * to cmdline. The format is "roo=PARTUUID=xxxx...". 1085 */ 1086 #ifdef CONFIG_ANDROID_AB 1087 env_update_filter("bootargs", bootargs, "root="); 1088 #else 1089 env_update("bootargs", bootargs); 1090 #endif 1091 } 1092 1093 #ifdef CONFIG_MTD_BLK 1094 char *mtd_par_info = mtd_part_parse(NULL); 1095 1096 if (mtd_par_info) { 1097 if (memcmp(env_get("devtype"), "mtd", 3) == 0) 1098 env_update("bootargs", mtd_par_info); 1099 } 1100 #endif 1101 /* 1102 * Initrd fixup: remove unused "initrd=0x...,0x...", 1103 * this for compatible with legacy parameter.txt 1104 */ 1105 env_delete("bootargs", "initrd=", 0); 1106 1107 /* 1108 * If uart is required to be disabled during 1109 * power on, it would be not initialized by 1110 * any pre-loader and U-Boot. 1111 * 1112 * If we don't remove earlycon from commandline, 1113 * kernel hangs while using earlycon to putc/getc 1114 * which may dead loop for waiting uart status. 1115 * (It seems the root cause is baundrate is not 1116 * initilalized) 1117 * 1118 * So let's remove earlycon from commandline. 1119 */ 1120 if (gd->flags & GD_FLG_DISABLE_CONSOLE) 1121 env_delete("bootargs", "earlycon=", 0); 1122 1123 /* Android header v4+ need this handle */ 1124 #ifdef CONFIG_ANDROID_BOOT_IMAGE 1125 struct andr_img_hdr *hdr; 1126 1127 hdr = (void *)env_get_ulong("android_addr_r", 16, 0); 1128 if (hdr && !android_image_check_header(hdr) && hdr->header_version >= 4) { 1129 if (env_update_extract_subset("bootargs", "andr_bootargs", "androidboot.")) 1130 printf("extract androidboot.xxx error\n"); 1131 if (dump) 1132 printf("## bootargs(android): %s\n\n", env_get("andr_bootargs")); 1133 } 1134 #endif 1135 bootargs = env_get("bootargs"); 1136 if (dump) 1137 printf("## bootargs(merged): %s\n\n", bootargs); 1138 1139 return (char *)bootargs; 1140 } 1141 1142 int ft_verify_fdt(void *fdt) 1143 { 1144 /* for android header v4+, we load bootparams and fixup initrd */ 1145 #if defined(CONFIG_ANDROID_BOOT_IMAGE) && defined(CONFIG_XBC) 1146 struct andr_img_hdr *hdr; 1147 uint64_t initrd_start, initrd_end; 1148 char *bootargs, *p; 1149 int nodeoffset; 1150 int is_u64, err; 1151 u32 len; 1152 1153 hdr = (void *)env_get_ulong("android_addr_r", 16, 0); 1154 if (!hdr || android_image_check_header(hdr) || 1155 hdr->header_version < 4) 1156 return 1; 1157 1158 bootargs = env_get("andr_bootargs"); 1159 if (!bootargs) 1160 return 1; 1161 1162 /* trans character: space to new line */ 1163 p = bootargs; 1164 while (*p++) { 1165 if (*p == ' ') 1166 *p = '\n'; 1167 } 1168 1169 debug("## andr_bootargs: %s\n", bootargs); 1170 1171 /* 1172 * add boot params right after bootconfig 1173 * 1174 * because we can get final full bootargs in board_fdt_chosen_bootargs(), 1175 * android_image_get_ramdisk() is early than that. 1176 * 1177 * we have to add boot params by now. 1178 */ 1179 len = addBootConfigParameters((char *)bootargs, strlen(bootargs), 1180 (u64)hdr->ramdisk_addr + hdr->ramdisk_size + 1181 hdr->vendor_ramdisk_size, hdr->vendor_bootconfig_size); 1182 if (len < 0) { 1183 printf("error: addBootConfigParameters\n"); 1184 return 0; 1185 } 1186 1187 nodeoffset = fdt_subnode_offset(fdt, 0, "chosen"); 1188 if (nodeoffset < 0) { 1189 printf("error: No /chosen node\n"); 1190 return 0; 1191 } 1192 1193 /* fixup initrd with real value */ 1194 fdt_delprop(fdt, nodeoffset, "linux,initrd-start"); 1195 fdt_delprop(fdt, nodeoffset, "linux,initrd-end"); 1196 1197 is_u64 = (fdt_address_cells(fdt, 0) == 2); 1198 initrd_start = hdr->ramdisk_addr; 1199 initrd_end = initrd_start + hdr->ramdisk_size + 1200 hdr->vendor_ramdisk_size + 1201 hdr->vendor_bootconfig_size + len; 1202 err = fdt_setprop_uxx(fdt, nodeoffset, "linux,initrd-start", 1203 initrd_start, is_u64); 1204 if (err < 0) { 1205 printf("WARNING: could not set linux,initrd-start %s.\n", 1206 fdt_strerror(err)); 1207 return 0; 1208 } 1209 err = fdt_setprop_uxx(fdt, nodeoffset, "linux,initrd-end", 1210 initrd_end, is_u64); 1211 if (err < 0) { 1212 printf("WARNING: could not set linux,initrd-end %s.\n", 1213 fdt_strerror(err)); 1214 return 0; 1215 } 1216 #endif 1217 return 1; 1218 } 1219 1220