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 <version.h> 9 #include <abuf.h> 10 #include <amp.h> 11 #include <android_ab.h> 12 #include <android_bootloader.h> 13 #include <android_image.h> 14 #include <bidram.h> 15 #include <boot_rkimg.h> 16 #include <cli.h> 17 #include <clk.h> 18 #include <console.h> 19 #include <debug_uart.h> 20 #include <dm.h> 21 #include <dvfs.h> 22 #include <fdt_support.h> 23 #include <io-domain.h> 24 #include <image.h> 25 #include <key.h> 26 #include <memblk.h> 27 #include <misc.h> 28 #include <of_live.h> 29 #include <mtd_blk.h> 30 #include <ram.h> 31 #include <rng.h> 32 #include <rockchip_debugger.h> 33 #include <syscon.h> 34 #include <sysmem.h> 35 #include <video_rockchip.h> 36 #include <xbc.h> 37 #include <asm/io.h> 38 #include <asm/gpio.h> 39 #include <android_avb/rk_avb_ops_user.h> 40 #include <dm/uclass-internal.h> 41 #include <dm/root.h> 42 #include <power/charge_display.h> 43 #include <power/regulator.h> 44 #include <optee_include/OpteeClientInterface.h> 45 #include <optee_include/OpteeClientApiLib.h> 46 #include <optee_include/tee_api_defines.h> 47 #include <asm/arch/boot_mode.h> 48 #include <asm/arch/clock.h> 49 #include <asm/arch/cpu.h> 50 #include <asm/arch/hotkey.h> 51 #include <asm/arch/param.h> 52 #include <asm/arch/periph.h> 53 #include <asm/arch/resource_img.h> 54 #include <asm/arch/rk_atags.h> 55 #include <asm/arch/vendor.h> 56 #ifdef CONFIG_ROCKCHIP_EINK_DISPLAY 57 #include <rk_eink.h> 58 #endif 59 #ifdef CONFIG_SERDES_DISPLAY 60 #include <serdes-display-core.h> 61 #include <serdes-display-gpio.h> 62 #endif 63 DECLARE_GLOBAL_DATA_PTR; 64 65 #ifdef CONFIG_ARM64 66 static ulong orig_images_ep; 67 #endif 68 69 __weak int rk_board_late_init(void) 70 { 71 return 0; 72 } 73 74 __weak int rk_board_fdt_fixup(void *blob) 75 { 76 return 0; 77 } 78 79 __weak int rk_board_dm_fdt_fixup(void *blob) 80 { 81 return 0; 82 } 83 84 __weak int soc_clk_dump(void) 85 { 86 return 0; 87 } 88 89 __weak int set_armclk_rate(void) 90 { 91 return 0; 92 } 93 94 __weak int rk_board_init(void) 95 { 96 return 0; 97 } 98 99 #ifdef CONFIG_ROCKCHIP_SET_ETHADDR 100 /* 101 * define serialno max length, the max length is 512 Bytes 102 * The remaining bytes are used to ensure that the first 512 bytes 103 * are valid when executing 'env_set("serial#", value)'. 104 */ 105 #define VENDOR_SN_MAX 513 106 #define CPUID_LEN 0x10 107 #define CPUID_OFF 0x07 108 109 #define MAX_ETHERNET 0x2 110 111 static int rockchip_set_ethaddr(void) 112 { 113 __maybe_unused bool need_write = false; 114 bool randomed = false; 115 char buf[ARP_HLEN_ASCII + 1], mac[16]; 116 u8 ethaddr[ARP_HLEN * MAX_ETHERNET] = {0}; 117 int i, ret = -EINVAL; 118 119 #ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION 120 ret = vendor_storage_read(LAN_MAC_ID, ethaddr, sizeof(ethaddr)); 121 #endif 122 for (i = 0; i < MAX_ETHERNET; i++) { 123 if (ret <= 0 || !is_valid_ethaddr(ðaddr[i * ARP_HLEN])) { 124 if (!randomed) { 125 net_random_ethaddr(ðaddr[i * ARP_HLEN]); 126 randomed = true; 127 } else { 128 if (i > 0) { 129 memcpy(ðaddr[i * ARP_HLEN], 130 ðaddr[(i - 1) * ARP_HLEN], 131 ARP_HLEN); 132 ethaddr[i * ARP_HLEN] |= 0x02; 133 ethaddr[i * ARP_HLEN] += (i << 2); 134 } 135 } 136 137 need_write = true; 138 } 139 140 if (is_valid_ethaddr(ðaddr[i * ARP_HLEN])) { 141 snprintf(buf, ARP_HLEN_ASCII + 1, "%pM", ðaddr[i * ARP_HLEN]); 142 if (i == 0) 143 memcpy(mac, "ethaddr", sizeof("ethaddr")); 144 else 145 sprintf(mac, "eth%daddr", i); 146 env_set(mac, buf); 147 } 148 } 149 150 #ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION 151 if (need_write) { 152 ret = vendor_storage_write(LAN_MAC_ID, 153 ethaddr, sizeof(ethaddr)); 154 if (ret < 0) 155 printf("%s: vendor_storage_write failed %d\n", 156 __func__, ret); 157 } 158 #endif 159 return 0; 160 } 161 #endif 162 163 #ifdef CONFIG_ROCKCHIP_SET_SN 164 static int rockchip_set_serialno(void) 165 { 166 u8 low[CPUID_LEN / 2], high[CPUID_LEN / 2]; 167 u8 cpuid[CPUID_LEN] = {0}; 168 char serialno_str[VENDOR_SN_MAX]; 169 int ret = 0, i; 170 u64 serialno; 171 172 /* Read serial number from vendor storage part */ 173 memset(serialno_str, 0, VENDOR_SN_MAX); 174 175 #ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION 176 int j; 177 178 ret = vendor_storage_read(SN_ID, serialno_str, (VENDOR_SN_MAX-1)); 179 if (ret > 0) { 180 j = strlen(serialno_str); 181 for (i = 0; i < j; i++) { 182 if ((serialno_str[i] >= 'a' && serialno_str[i] <= 'z') || 183 (serialno_str[i] >= 'A' && serialno_str[i] <= 'Z') || 184 (serialno_str[i] >= '0' && serialno_str[i] <= '9')) 185 continue; 186 else 187 break; 188 } 189 190 /* valid character count > 0 */ 191 if (i > 0) { 192 serialno_str[i + 1] = 0x0; 193 env_set("serial#", serialno_str); 194 } 195 } 196 #endif 197 if (!env_get("serial#")) { 198 #if defined(CONFIG_ROCKCHIP_EFUSE) || defined(CONFIG_ROCKCHIP_OTP) 199 struct udevice *dev; 200 201 /* retrieve the device */ 202 if (IS_ENABLED(CONFIG_ROCKCHIP_EFUSE)) 203 ret = uclass_get_device_by_driver(UCLASS_MISC, 204 DM_GET_DRIVER(rockchip_efuse), 205 &dev); 206 else 207 ret = uclass_get_device_by_driver(UCLASS_MISC, 208 DM_GET_DRIVER(rockchip_otp), 209 &dev); 210 211 if (ret) { 212 printf("%s: could not find efuse/otp device\n", __func__); 213 return ret; 214 } 215 216 /* read the cpu_id range from the efuses */ 217 ret = misc_read(dev, CPUID_OFF, &cpuid, sizeof(cpuid)); 218 if (ret) { 219 printf("%s: read cpuid from efuse/otp failed, ret=%d\n", 220 __func__, ret); 221 return ret; 222 } 223 #else 224 /* generate random cpuid */ 225 for (i = 0; i < CPUID_LEN; i++) 226 cpuid[i] = (u8)(rand()); 227 #endif 228 /* Generate the serial number based on CPU ID */ 229 for (i = 0; i < 8; i++) { 230 low[i] = cpuid[1 + (i << 1)]; 231 high[i] = cpuid[i << 1]; 232 } 233 234 serialno = crc32_no_comp(0, low, 8); 235 serialno |= (u64)crc32_no_comp(serialno, high, 8) << 32; 236 snprintf(serialno_str, sizeof(serialno_str), "%llx", serialno); 237 238 env_set("serial#", serialno_str); 239 } 240 241 return ret; 242 } 243 #endif 244 245 #if defined(CONFIG_USB_FUNCTION_FASTBOOT) 246 int fb_set_reboot_flag(void) 247 { 248 printf("Setting reboot to fastboot flag ...\n"); 249 writel(BOOT_FASTBOOT, CONFIG_ROCKCHIP_BOOT_MODE_REG); 250 251 return 0; 252 } 253 #endif 254 255 #ifdef CONFIG_ROCKCHIP_USB_BOOT 256 static int boot_from_udisk(void) 257 { 258 struct blk_desc *desc; 259 struct udevice *dev; 260 int devnum = -1; 261 char buf[32]; 262 263 /* Booting priority: mmc1 > udisk */ 264 if (!strcmp(env_get("devtype"), "mmc") && !strcmp(env_get("devnum"), "1")) 265 return 0; 266 267 if (!run_command("usb start", -1)) { 268 for (blk_first_device(IF_TYPE_USB, &dev); 269 dev; 270 blk_next_device(&dev)) { 271 desc = dev_get_uclass_platdata(dev); 272 printf("Scanning usb %d ...\n", desc->devnum); 273 if (desc->type == DEV_TYPE_UNKNOWN) 274 continue; 275 276 if (desc->lba > 0L && desc->blksz > 0L) { 277 devnum = desc->devnum; 278 break; 279 } 280 } 281 if (devnum < 0) { 282 printf("No usb mass storage found\n"); 283 return -ENODEV; 284 } 285 286 desc = blk_get_devnum_by_type(IF_TYPE_USB, devnum); 287 if (!desc) { 288 printf("No usb %d found\n", devnum); 289 return -ENODEV; 290 } 291 292 snprintf(buf, 32, "rkimgtest usb %d", devnum); 293 if (!run_command(buf, -1)) { 294 snprintf(buf, 32, "%d", devnum); 295 rockchip_set_bootdev(desc); 296 env_set("devtype", "usb"); 297 env_set("devnum", buf); 298 printf("=== Booting from usb %d ===\n", devnum); 299 } else { 300 printf("No available udisk image on usb %d\n", devnum); 301 return -ENODEV; 302 } 303 } 304 305 return 0; 306 } 307 #endif 308 309 static void env_fixup(void) 310 { 311 struct memblock mem; 312 ulong u_addr_r; 313 phys_size_t end; 314 char *addr_r; 315 316 #ifdef ENV_MEM_LAYOUT_SETTINGS1 317 const char *env_addr0[] = { 318 "scriptaddr", "pxefile_addr_r", 319 "fdt_addr_r", "kernel_addr_r", "ramdisk_addr_r", 320 }; 321 const char *env_addr1[] = { 322 "scriptaddr1", "pxefile_addr1_r", 323 "fdt_addr1_r", "kernel_addr1_r", "ramdisk_addr1_r", 324 }; 325 int i; 326 327 /* 128M is a typical ram size for most platform, so as default here */ 328 if (gd->ram_size <= SZ_128M) { 329 /* Replace orignal xxx_addr_r */ 330 for (i = 0; i < ARRAY_SIZE(env_addr1); i++) { 331 addr_r = env_get(env_addr1[i]); 332 if (addr_r) 333 env_set(env_addr0[i], addr_r); 334 } 335 } 336 #endif 337 /* No BL32 ? */ 338 if (!(gd->flags & GD_FLG_BL32_ENABLED)) { 339 /* 340 * [1] Move kernel to lower address if possible. 341 */ 342 addr_r = env_get("kernel_addr_no_low_bl32_r"); 343 if (addr_r) 344 env_set("kernel_addr_r", addr_r); 345 346 /* 347 * [2] Move ramdisk at BL32 position if need. 348 * 349 * 0x0a200000 and 0x08400000 are rockchip traditional address 350 * of BL32 and ramdisk: 351 * 352 * |------------|------------| 353 * | BL32 | ramdisk | 354 * |------------|------------| 355 * 356 * Move ramdisk to BL32 address to fix sysmem alloc failed 357 * issue on the board with critical memory(ie. 256MB). 358 */ 359 if (gd->ram_size > SZ_128M && gd->ram_size <= SZ_256M) { 360 u_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0); 361 if (u_addr_r == 0x0a200000) 362 env_set("ramdisk_addr_r", "0x08400000"); 363 } 364 } else { 365 mem = param_parse_optee_mem(); 366 367 /* 368 * [1] Move kernel forward if possible. 369 */ 370 if (mem.base > SZ_128M) { 371 addr_r = env_get("kernel_addr_no_low_bl32_r"); 372 if (addr_r) 373 env_set("kernel_addr_r", addr_r); 374 } 375 376 /* 377 * [2] Move ramdisk backward if optee enlarge. 378 */ 379 end = mem.base + mem.size; 380 u_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0); 381 if (u_addr_r >= mem.base && u_addr_r < end) 382 env_set_hex("ramdisk_addr_r", end); 383 } 384 } 385 386 static void cmdline_handle(void) 387 { 388 struct blk_desc *dev_desc; 389 int if_type; 390 int devnum; 391 392 param_parse_pubkey_fuse_programmed(); 393 394 dev_desc = rockchip_get_bootdev(); 395 if (!dev_desc) 396 return; 397 398 /* 399 * 1. From rk356x, the sd/udisk recovery update flag was moved from 400 * IDB to Android BCB. 401 * 402 * 2. Udisk is init at the late boot_from_udisk(), but 403 * rockchip_get_boot_mode() actually only read once, 404 * we need to update boot mode according to udisk BCB. 405 */ 406 if_type = dev_desc->if_type; 407 devnum = dev_desc->devnum; 408 if ((if_type == IF_TYPE_MMC && devnum == 1) || (if_type == IF_TYPE_USB)) { 409 if (get_bcb_recovery_msg() == BCB_MSG_RECOVERY_RK_FWUPDATE) { 410 if (if_type == IF_TYPE_MMC && devnum == 1) { 411 env_update("bootargs", "sdfwupdate"); 412 } else if (if_type == IF_TYPE_USB) { 413 env_update("bootargs", "usbfwupdate"); 414 env_set("reboot_mode", "recovery-usb"); 415 } 416 } else { 417 if (if_type == IF_TYPE_USB) 418 env_set("reboot_mode", "normal"); 419 } 420 } 421 422 if (rockchip_get_boot_mode() == BOOT_MODE_QUIESCENT) 423 env_update("bootargs", "androidboot.quiescent=1 pwm_bl.quiescent=1"); 424 } 425 426 static void scan_run_cmd(void) 427 { 428 char *config = CONFIG_ROCKCHIP_CMD; 429 char *cmd, *key; 430 431 key = strchr(config, ' '); 432 if (!key) 433 return; 434 435 cmd = strdup(config); 436 cmd[key - config] = 0; 437 key++; 438 439 if (!strcmp(key, "-")) { 440 run_command(cmd, 0); 441 } else { 442 #ifdef CONFIG_DM_KEY 443 ulong map; 444 445 map = simple_strtoul(key, NULL, 10); 446 if (key_is_pressed(key_read(map))) { 447 printf("## Key<%ld> pressed... run cmd '%s'\n", map, cmd); 448 run_command(cmd, 0); 449 } 450 #endif 451 } 452 } 453 454 int board_late_init(void) 455 { 456 #ifdef CONFIG_ROCKCHIP_SET_ETHADDR 457 rockchip_set_ethaddr(); 458 #endif 459 #ifdef CONFIG_ROCKCHIP_SET_SN 460 rockchip_set_serialno(); 461 #endif 462 setup_download_mode(); 463 scan_run_cmd(); 464 #ifdef CONFIG_ROCKCHIP_USB_BOOT 465 boot_from_udisk(); 466 #endif 467 #ifdef CONFIG_DM_CHARGE_DISPLAY 468 charge_display(); 469 #endif 470 #ifdef CONFIG_DRM_ROCKCHIP 471 if (rockchip_get_boot_mode() != BOOT_MODE_QUIESCENT) 472 rockchip_show_logo(); 473 #endif 474 #ifdef CONFIG_ROCKCHIP_EINK_DISPLAY 475 rockchip_eink_show_uboot_logo(); 476 #endif 477 #if (CONFIG_ROCKCHIP_BOOT_MODE_REG > 0) 478 setup_boot_mode(); 479 #endif 480 env_fixup(); 481 soc_clk_dump(); 482 cmdline_handle(); 483 #ifdef CONFIG_AMP 484 amp_cpus_on(); 485 #endif 486 return rk_board_late_init(); 487 } 488 489 static void early_download(void) 490 { 491 #if defined(CONFIG_PWRKEY_DNL_TRIGGER_NUM) && \ 492 (CONFIG_PWRKEY_DNL_TRIGGER_NUM > 0) 493 if (pwrkey_download_init()) 494 printf("Pwrkey download init failed\n"); 495 #endif 496 497 #if (CONFIG_ROCKCHIP_BOOT_MODE_REG > 0) 498 if (is_hotkey(HK_BROM_DNL)) { 499 printf("Enter bootrom download..."); 500 flushc(); 501 writel(BOOT_BROM_DOWNLOAD, CONFIG_ROCKCHIP_BOOT_MODE_REG); 502 do_reset(NULL, 0, 0, NULL); 503 printf("failed!\n"); 504 } 505 #endif 506 } 507 508 static void board_debug_init(void) 509 { 510 if (!gd->serial.using_pre_serial && 511 !(gd->flags & GD_FLG_DISABLE_CONSOLE)) 512 debug_uart_init(); 513 514 if (tstc()) { 515 gd->console_evt = getc(); 516 if (gd->console_evt <= 0x1a) /* 'z' */ 517 printf("Hotkey: ctrl+%c\n", gd->console_evt + 'a' - 1); 518 } 519 520 if (IS_ENABLED(CONFIG_CONSOLE_DISABLE_CLI)) 521 printf("Cmd interface: disabled\n"); 522 } 523 524 int board_init(void) 525 { 526 board_debug_init(); 527 #ifdef DEBUG 528 soc_clk_dump(); 529 #endif 530 #ifdef CONFIG_OPTEE_CLIENT 531 optee_client_init(); 532 #endif 533 #ifdef CONFIG_USING_KERNEL_DTB 534 init_kernel_dtb(); 535 #endif 536 early_download(); 537 538 clks_probe(); 539 #ifdef CONFIG_DM_REGULATOR 540 regulators_enable_boot_on(is_hotkey(HK_REGULATOR)); 541 #endif 542 #ifdef CONFIG_ROCKCHIP_IO_DOMAIN 543 io_domain_init(); 544 #endif 545 set_armclk_rate(); 546 #ifdef CONFIG_DM_DVFS 547 dvfs_init(true); 548 #endif 549 #ifdef CONFIG_ANDROID_AB 550 if (ab_decrease_tries()) 551 printf("Decrease ab tries count fail!\n"); 552 #endif 553 #ifdef CONFIG_SERDES_DISPLAY 554 serdes_power_init(); 555 #endif 556 return rk_board_init(); 557 } 558 559 int interrupt_debugger_init(void) 560 { 561 #ifdef CONFIG_ROCKCHIP_DEBUGGER 562 return rockchip_debugger_init(); 563 #else 564 return 0; 565 #endif 566 } 567 568 int board_fdt_fixup(void *blob) 569 { 570 /* 571 * Device's platdata points to orignal fdt blob property, 572 * access DM device before any fdt fixup. 573 */ 574 rk_board_dm_fdt_fixup(blob); 575 576 /* Common fixup for DRM */ 577 #ifdef CONFIG_DRM_ROCKCHIP 578 rockchip_display_fixup(blob); 579 #endif 580 581 #ifdef CONFIG_ROCKCHIP_VENDOR_PARTITION 582 vendor_storage_fixup(blob); 583 #endif 584 585 return rk_board_fdt_fixup(blob); 586 } 587 588 #if defined(CONFIG_ARM64_BOOT_AARCH32) || !defined(CONFIG_ARM64) 589 /* 590 * Common for OP-TEE: 591 * 64-bit & 32-bit mode: share memory dcache is always enabled; 592 * 593 * Common for U-Boot: 594 * 64-bit mode: MMU table is static defined in rkxxx.c file, all memory 595 * regions are mapped. That's good to match OP-TEE MMU policy. 596 * 597 * 32-bit mode: MMU table is setup according to gd->bd->bi_dram[..] where 598 * the OP-TEE region has been reserved, so it can not be 599 * mapped(i.e. dcache is disabled). That's *NOT* good to match 600 * OP-TEE MMU policy. 601 * 602 * For the data coherence when communication between U-Boot and OP-TEE, U-Boot 603 * should follow OP-TEE MMU policy. 604 * 605 * So 32-bit mode U-Boot should map OP-TEE share memory as dcache enabled. 606 */ 607 int board_initr_caches_fixup(void) 608 { 609 #ifdef CONFIG_OPTEE_CLIENT 610 struct memblock mem; 611 612 mem.base = 0; 613 mem.size = 0; 614 615 optee_get_shm_config(&mem.base, &mem.size); 616 if (mem.size) 617 mmu_set_region_dcache_behaviour(mem.base, mem.size, 618 DCACHE_WRITEBACK); 619 #endif 620 return 0; 621 } 622 #endif 623 624 void arch_preboot_os(uint32_t bootm_state, bootm_headers_t *images) 625 { 626 if (!(bootm_state & BOOTM_STATE_OS_PREP)) 627 return; 628 629 #ifdef CONFIG_ARM64 630 u8 *data = (void *)images->ep; 631 632 /* 633 * Fix kernel 5.10 arm64 boot warning: 634 * "[Firmware Bug]: Kernel image misaligned at boot, please fix your bootloader!" 635 * 636 * kernel: 5.10 commit 120dc60d0bdb ("arm64: get rid of TEXT_OFFSET") 637 * arm64 kernel version: 638 * data[10] == 0x00 if kernel version >= 5.10: N*2MB align 639 * data[10] == 0x08 if kernel version < 5.10: N*2MB + 0x80000(TEXT_OFFSET) 640 * 641 * Why fix here? 642 * 1. this is the common and final path for any boot command. 643 * 2. don't influence original boot flow, just fix it exactly before 644 * jumping kernel. 645 * 646 * But relocation is in board_quiesce_devices() until all decompress 647 * done, mainly for saving boot time. 648 */ 649 650 orig_images_ep = images->ep; 651 652 if (data[10] == 0x00) { 653 if (round_down(images->ep, SZ_2M) != images->ep) 654 images->ep = round_down(images->ep, SZ_2M); 655 } else { 656 if (IS_ALIGNED(images->ep, SZ_2M)) 657 images->ep += 0x80000; 658 } 659 #endif 660 hotkey_run(HK_CLI_OS_PRE); 661 } 662 663 void enable_caches(void) 664 { 665 icache_enable(); 666 dcache_enable(); 667 } 668 669 #ifdef CONFIG_LMB 670 /* 671 * Using last bi_dram[...] to initialize "bootm_low" and "bootm_mapsize". 672 * This makes lmb_alloc_base() always alloc from tail of sdram. 673 * If we don't assign it, bi_dram[0] is used by default and it may cause 674 * lmb_alloc_base() fail when bi_dram[0] range is small. 675 */ 676 void board_lmb_reserve(struct lmb *lmb) 677 { 678 char bootm_mapsize[32]; 679 char bootm_low[32]; 680 u64 start, size; 681 int i; 682 683 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 684 if (!gd->bd->bi_dram[i].size) 685 break; 686 } 687 688 start = gd->bd->bi_dram[i - 1].start; 689 size = gd->bd->bi_dram[i - 1].size; 690 691 /* 692 * 32-bit kernel: ramdisk/fdt shouldn't be loaded to highmem area(768MB+), 693 * otherwise "Unable to handle kernel paging request at virtual address ...". 694 * 695 * So that we hope limit highest address at 768M, but there comes the the 696 * problem: ramdisk is a compressed image and it expands after descompress, 697 * so it accesses 768MB+ and brings the above "Unable to handle kernel ...". 698 * 699 * We make a appointment that the highest memory address is 512MB, it 700 * makes lmb alloc safer. 701 */ 702 #ifndef CONFIG_ARM64 703 if (start >= ((u64)CONFIG_SYS_SDRAM_BASE + SZ_512M)) { 704 start = gd->bd->bi_dram[i - 2].start; 705 size = gd->bd->bi_dram[i - 2].size; 706 } 707 708 if ((start + size) > ((u64)CONFIG_SYS_SDRAM_BASE + SZ_512M)) 709 size = (u64)CONFIG_SYS_SDRAM_BASE + SZ_512M - start; 710 #endif 711 sprintf(bootm_low, "0x%llx", start); 712 sprintf(bootm_mapsize, "0x%llx", size); 713 env_set("bootm_low", bootm_low); 714 env_set("bootm_mapsize", bootm_mapsize); 715 } 716 #endif 717 718 #ifdef CONFIG_BIDRAM 719 int board_bidram_reserve(struct bidram *bidram) 720 { 721 struct memblock mem; 722 int ret; 723 724 /* ATF */ 725 mem = param_parse_atf_mem(); 726 ret = bidram_reserve(MEM_ATF, mem.base, mem.size); 727 if (ret) 728 return ret; 729 730 /* PSTORE/ATAGS/SHM */ 731 mem = param_parse_common_resv_mem(); 732 ret = bidram_reserve(MEM_SHM, mem.base, mem.size); 733 if (ret) 734 return ret; 735 736 /* OP-TEE */ 737 mem = param_parse_optee_mem(); 738 ret = bidram_reserve(MEM_OPTEE, mem.base, mem.size); 739 if (ret) 740 return ret; 741 742 return 0; 743 } 744 745 #ifdef CONFIG_SYSMEM 746 int board_sysmem_reserve(struct sysmem *sysmem) 747 { 748 #ifdef CONFIG_SKIP_RELOCATE_UBOOT 749 if (!sysmem_alloc_base_by_name("NO-RELOC-CODE", 750 CONFIG_SYS_TEXT_BASE, SZ_2M)) { 751 printf("Failed to reserve sysmem for U-Boot code\n"); 752 return -ENOMEM; 753 } 754 #endif 755 return 0; 756 } 757 #endif 758 759 parse_fn_t board_bidram_parse_fn(void) 760 { 761 return param_parse_ddr_mem; 762 } 763 #endif 764 765 int board_init_f_boot_flags(void) 766 { 767 int boot_flags = 0; 768 769 #ifdef CONFIG_FPGA_ROCKCHIP 770 arch_fpga_init(); 771 #endif 772 #ifdef CONFIG_PSTORE 773 param_parse_pstore(); 774 #endif 775 param_parse_pre_serial(&boot_flags); 776 777 /* The highest priority to turn off (override) console */ 778 #if defined(CONFIG_DISABLE_CONSOLE) 779 boot_flags |= GD_FLG_DISABLE_CONSOLE; 780 #endif 781 782 return boot_flags; 783 } 784 785 #if defined(CONFIG_USB_GADGET) 786 #include <usb.h> 787 #if defined(CONFIG_USB_GADGET_DWC2_OTG) 788 #include <fdt_support.h> 789 #include <usb/dwc2_udc.h> 790 791 static struct dwc2_plat_otg_data otg_data = { 792 .rx_fifo_sz = 512, 793 .np_tx_fifo_sz = 16, 794 .tx_fifo_sz = 128, 795 }; 796 797 int board_usb_init(int index, enum usb_init_type init) 798 { 799 const void *blob = gd->fdt_blob; 800 const fdt32_t *reg; 801 fdt_addr_t addr; 802 int node; 803 804 /* find the usb_otg node */ 805 node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc2"); 806 807 retry: 808 if (node > 0) { 809 reg = fdt_getprop(blob, node, "reg", NULL); 810 if (!reg) 811 return -EINVAL; 812 813 addr = fdt_translate_address(blob, node, reg); 814 if (addr == OF_BAD_ADDR) { 815 pr_err("Not found usb_otg address\n"); 816 return -EINVAL; 817 } 818 819 #if defined(CONFIG_ROCKCHIP_RK3288) 820 if (addr != 0xff580000) { 821 node = fdt_node_offset_by_compatible(blob, node, 822 "snps,dwc2"); 823 goto retry; 824 } 825 #endif 826 } else { 827 /* 828 * With kernel dtb support, rk3288 dwc2 otg node 829 * use the rockchip legacy dwc2 driver "dwc_otg_310" 830 * with the compatible "rockchip,rk3288_usb20_otg", 831 * and rk3368 also use the "dwc_otg_310" driver with 832 * the compatible "rockchip,rk3368-usb". 833 */ 834 #if defined(CONFIG_ROCKCHIP_RK3288) 835 node = fdt_node_offset_by_compatible(blob, -1, 836 "rockchip,rk3288_usb20_otg"); 837 #elif defined(CONFIG_ROCKCHIP_RK3368) 838 node = fdt_node_offset_by_compatible(blob, -1, 839 "rockchip,rk3368-usb"); 840 #endif 841 if (node > 0) { 842 goto retry; 843 } else { 844 pr_err("Not found usb_otg device\n"); 845 return -ENODEV; 846 } 847 } 848 849 otg_data.regs_otg = (uintptr_t)addr; 850 851 return dwc2_udc_probe(&otg_data); 852 } 853 854 int board_usb_cleanup(int index, enum usb_init_type init) 855 { 856 return 0; 857 } 858 #elif defined(CONFIG_USB_DWC3_GADGET) /* CONFIG_USB_GADGET_DWC2_OTG */ 859 #include <dwc3-uboot.h> 860 861 int board_usb_cleanup(int index, enum usb_init_type init) 862 { 863 dwc3_uboot_exit(index); 864 return 0; 865 } 866 867 #endif /* CONFIG_USB_DWC3_GADGET */ 868 #endif /* CONFIG_USB_GADGET */ 869 870 static void bootm_no_reloc(void) 871 { 872 char *ramdisk_high; 873 char *fdt_high; 874 875 if (!env_get_yesno("bootm-no-reloc")) 876 return; 877 878 ramdisk_high = env_get("initrd_high"); 879 fdt_high = env_get("fdt_high"); 880 881 if (!fdt_high) { 882 env_set_hex("fdt_high", -1UL); 883 printf("Fdt "); 884 } 885 886 if (!ramdisk_high) { 887 env_set_hex("initrd_high", -1UL); 888 printf("Ramdisk "); 889 } 890 891 if (!fdt_high || !ramdisk_high) 892 printf("skip relocation\n"); 893 } 894 895 int bootm_board_start(void) 896 { 897 /* 898 * print console record data 899 * 900 * On some rockchip platforms, uart debug and sdmmc pin are multiplex. 901 * If boot from sdmmc mode, the console data would be record in buffer, 902 * we switch to uart debug function in order to print it after loading 903 * images. 904 */ 905 #if 0 906 if (!strcmp("mmc", env_get("devtype")) && 907 !strcmp("1", env_get("devnum"))) { 908 printf("IOMUX: sdmmc => uart debug"); 909 pinctrl_select_state(gd->cur_serial_dev, "default"); 910 console_record_print_purge(); 911 } 912 #endif 913 /* disable bootm relcation to save boot time */ 914 bootm_no_reloc(); 915 916 /* PCBA test needs more permission */ 917 if (get_bcb_recovery_msg() == BCB_MSG_RECOVERY_PCBA) 918 env_update("bootargs", "androidboot.selinux=permissive"); 919 920 /* sysmem */ 921 hotkey_run(HK_SYSMEM); 922 sysmem_overflow_check(); 923 924 return 0; 925 } 926 927 int bootm_image_populate_dtb(void *img) 928 { 929 if ((gd->flags & GD_FLG_KDTB_READY) && !gd->fdt_blob_kern) 930 sysmem_free((phys_addr_t)gd->fdt_blob); 931 else 932 gd->fdt_blob = (void *)env_get_ulong("fdt_addr_r", 16, 0); 933 934 return rockchip_ram_read_dtb_file(img, (void *)gd->fdt_blob); 935 } 936 937 /* 938 * Implement it to support CLI command: 939 * - Android: bootm [aosp addr] 940 * - FIT: bootm [fit addr] 941 * - uImage: bootm [uimage addr] 942 * 943 * Purpose: 944 * - The original bootm command args require fdt addr on AOSP, 945 * which is not flexible on rockchip boot/recovery.img. 946 * - Take Android/FIT/uImage image into sysmem management to avoid image 947 * memory overlap. 948 */ 949 #if defined(CONFIG_ANDROID_BOOTLOADER) || \ 950 defined(CONFIG_ROCKCHIP_FIT_IMAGE) || \ 951 defined(CONFIG_ROCKCHIP_UIMAGE) 952 int board_do_bootm(int argc, char * const argv[]) 953 { 954 int format; 955 void *img; 956 957 /* only 'bootm' full image goes further */ 958 if (argc != 2) 959 return 0; 960 961 img = (void *)simple_strtoul(argv[1], NULL, 16); 962 format = (genimg_get_format(img)); 963 964 /* Android */ 965 #ifdef CONFIG_ANDROID_BOOT_IMAGE 966 if (format == IMAGE_FORMAT_ANDROID) { 967 struct andr_img_hdr *hdr; 968 ulong load_addr; 969 ulong size; 970 int ret; 971 972 hdr = (struct andr_img_hdr *)img; 973 printf("BOOTM: transferring to board Android\n"); 974 975 load_addr = env_get_ulong("kernel_addr_r", 16, 0); 976 load_addr -= hdr->page_size; 977 size = android_image_get_end(hdr) - (ulong)hdr; 978 979 if (!sysmem_alloc_base(MEM_ANDROID, (ulong)hdr, size)) 980 return -ENOMEM; 981 982 ret = bootm_image_populate_dtb(img); 983 if (ret) { 984 printf("bootm can't read dtb, ret=%d\n", ret); 985 return ret; 986 } 987 988 ret = android_image_memcpy_separate(hdr, &load_addr); 989 if (ret) { 990 printf("board do bootm failed, ret=%d\n", ret); 991 return ret; 992 } 993 994 return android_bootloader_boot_kernel(load_addr); 995 } 996 #endif 997 998 /* FIT */ 999 #if IMAGE_ENABLE_FIT 1000 if (format == IMAGE_FORMAT_FIT) { 1001 char boot_cmd[64]; 1002 int ret; 1003 1004 printf("BOOTM: transferring to board FIT\n"); 1005 1006 ret = bootm_image_populate_dtb(img); 1007 if (ret) { 1008 printf("bootm can't read dtb, ret=%d\n", ret); 1009 return ret; 1010 } 1011 snprintf(boot_cmd, sizeof(boot_cmd), "boot_fit %s", argv[1]); 1012 return run_command(boot_cmd, 0); 1013 } 1014 #endif 1015 1016 /* uImage */ 1017 #if 0 1018 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 1019 if (format == IMAGE_FORMAT_LEGACY && 1020 image_get_type(img) == IH_TYPE_MULTI) { 1021 char boot_cmd[64]; 1022 1023 printf("BOOTM: transferring to board uImage\n"); 1024 snprintf(boot_cmd, sizeof(boot_cmd), "boot_uimage %s", argv[1]); 1025 return run_command(boot_cmd, 0); 1026 } 1027 #endif 1028 #endif 1029 return 0; 1030 } 1031 #endif 1032 1033 void autoboot_command_fail_handle(void) 1034 { 1035 #ifdef CONFIG_ANDROID_AB 1036 if (rk_avb_ab_have_bootable_slot() == true) 1037 run_command("reset;", 0); 1038 else 1039 run_command("fastboot usb 0;", 0); 1040 #endif 1041 1042 #ifdef CONFIG_AVB_VBMETA_PUBLIC_KEY_VALIDATE 1043 run_command("download", 0); 1044 run_command("fastboot usb 0;", 0); 1045 #endif 1046 1047 } 1048 1049 #ifdef CONFIG_FIT_ROLLBACK_PROTECT 1050 1051 #define FIT_ROLLBACK_INDEX_LOCATION 0x66697472 /* "fitr" */ 1052 1053 int fit_read_otp_rollback_index(uint32_t fit_index, uint32_t *otp_index) 1054 { 1055 #ifdef CONFIG_OPTEE_CLIENT 1056 u64 index; 1057 int ret; 1058 1059 ret = trusty_read_rollback_index(FIT_ROLLBACK_INDEX_LOCATION, &index); 1060 if (ret) { 1061 if (ret != TEE_ERROR_ITEM_NOT_FOUND) 1062 return ret; 1063 1064 index = 0; 1065 printf("Initial otp index as %d\n", fit_index); 1066 } 1067 1068 *otp_index = (uint32_t)index; 1069 #else 1070 *otp_index = 0; 1071 #endif 1072 1073 return 0; 1074 } 1075 1076 int fit_write_trusty_rollback_index(u32 trusty_index) 1077 { 1078 if (!trusty_index) 1079 return 0; 1080 #ifdef CONFIG_OPTEE_CLIENT 1081 return trusty_write_rollback_index(FIT_ROLLBACK_INDEX_LOCATION, 1082 (u64)trusty_index); 1083 #else 1084 return 0; 1085 #endif 1086 } 1087 #endif 1088 1089 void board_quiesce_devices(void *images) 1090 { 1091 #ifdef CONFIG_ROCKCHIP_PRELOADER_ATAGS 1092 /* Destroy atags makes next warm boot safer */ 1093 atags_destroy(); 1094 #endif 1095 #ifdef CONFIG_FIT_ROLLBACK_PROTECT 1096 int ret; 1097 1098 ret = fit_write_trusty_rollback_index(gd->rollback_index); 1099 if (ret) { 1100 panic("Failed to write fit rollback index %d, ret=%d", 1101 gd->rollback_index, ret); 1102 } 1103 #endif 1104 #ifdef CONFIG_ROCKCHIP_HW_DECOMPRESS 1105 misc_decompress_cleanup(); 1106 #endif 1107 #ifdef CONFIG_ARM64 1108 bootm_headers_t *bootm_images = (bootm_headers_t *)images; 1109 1110 /* relocate kernel after decompress cleanup */ 1111 if (orig_images_ep && orig_images_ep != bootm_images->ep) { 1112 memmove((char *)bootm_images->ep, (const char *)orig_images_ep, 1113 bootm_images->os.image_len); 1114 printf("== DO RELOCATE == Kernel from 0x%08lx to 0x%08lx\n", 1115 orig_images_ep, bootm_images->ep); 1116 } 1117 #endif 1118 1119 hotkey_run(HK_CMDLINE); 1120 hotkey_run(HK_CLI_OS_GO); 1121 #ifdef CONFIG_ROCKCHIP_REBOOT_TEST 1122 do_reset(NULL, 0, 0, NULL); 1123 #endif 1124 } 1125 1126 /* 1127 * Use hardware rng to seed Linux random 1128 * 1129 * 'Android_14 + GKI' requires this information. 1130 */ 1131 int board_rng_seed(struct abuf *buf) 1132 { 1133 struct udevice *dev; 1134 size_t len = 32; 1135 u64 *data; 1136 1137 data = malloc(len); 1138 if (!data) { 1139 printf("Out of memory\n"); 1140 return -ENOMEM; 1141 } 1142 1143 if (uclass_get_device(UCLASS_RNG, 0, &dev) || !dev) { 1144 printf("No RNG device\n"); 1145 return -ENODEV; 1146 } 1147 1148 if (dm_rng_read(dev, data, len)) { 1149 printf("Reading RNG failed\n"); 1150 return -EIO; 1151 } 1152 1153 abuf_init_set(buf, data, len); 1154 1155 return 0; 1156 } 1157 1158 /* 1159 * Pass fwver when any available. 1160 */ 1161 static void bootargs_add_fwver(bool verbose) 1162 { 1163 #ifdef CONFIG_ROCKCHIP_PRELOADER_ATAGS 1164 struct tag *t; 1165 char *list1 = NULL; 1166 char *list2 = NULL; 1167 char *fwver = NULL; 1168 char *p = PLAIN_VERSION; 1169 int i, end; 1170 1171 t = atags_get_tag(ATAG_FWVER); 1172 if (t) { 1173 list1 = calloc(1, sizeof(struct tag_fwver)); 1174 if (!list1) 1175 return; 1176 for (i = 0; i < FW_MAX; i++) { 1177 if (t->u.fwver.ver[i][0] != '\0') { 1178 strcat(list1, t->u.fwver.ver[i]); 1179 strcat(list1, ","); 1180 } 1181 } 1182 } 1183 1184 list2 = calloc(1, FWVER_LEN); 1185 if (!list2) 1186 goto out; 1187 strcat(list2, "uboot-"); 1188 /* optional */ 1189 #ifdef BUILD_TAG 1190 strcat(list2, BUILD_TAG); 1191 strcat(list2, "-"); 1192 #endif 1193 /* optional */ 1194 if (strcmp(PLAIN_VERSION, "2017.09")) { 1195 strncat(list2, p + strlen("2017.09-g"), 10); 1196 strcat(list2, "-"); 1197 } 1198 strcat(list2, U_BOOT_DMI_DATE); 1199 1200 /* merge ! */ 1201 if (list1 || list2) { 1202 fwver = calloc(1, sizeof(struct tag_fwver)); 1203 if (!fwver) 1204 goto out; 1205 1206 strcat(fwver, "androidboot.fwver="); 1207 if (list1) 1208 strcat(fwver, list1); 1209 if (list2) { 1210 strcat(fwver, list2); 1211 } else { 1212 end = strlen(fwver) - 1; 1213 fwver[end] = '\0'; /* omit last ',' */ 1214 } 1215 if (verbose) 1216 printf("## fwver: %s\n\n", fwver); 1217 env_update("bootargs", fwver); 1218 env_set("fwver", fwver + strlen("androidboot.")); 1219 } 1220 out: 1221 if (list1) 1222 free(list1); 1223 if (list2) 1224 free(list2); 1225 if (fwver) 1226 free(fwver); 1227 #endif 1228 } 1229 1230 static void bootargs_add_android(bool verbose) 1231 { 1232 #ifdef CONFIG_ANDROID_AB 1233 ab_update_root_partition(); 1234 #endif 1235 1236 /* Android header v4+ need this handle */ 1237 #ifdef CONFIG_ANDROID_BOOT_IMAGE 1238 struct andr_img_hdr *hdr; 1239 char *fwver; 1240 1241 hdr = (void *)env_get_ulong("android_addr_r", 16, 0); 1242 if (hdr && !android_image_check_header(hdr) && hdr->header_version >= 4) { 1243 if (env_update_extract_subset("bootargs", "andr_bootargs", "androidboot.")) 1244 printf("extract androidboot.xxx error\n"); 1245 if (verbose) 1246 printf("## bootargs(android): %s\n\n", env_get("andr_bootargs")); 1247 1248 /* for kernel cmdline can be read */ 1249 fwver = env_get("fwver"); 1250 if (fwver) { 1251 env_update("bootargs", fwver); 1252 env_set("fwver", NULL); 1253 } 1254 } 1255 #endif 1256 } 1257 1258 static void bootargs_add_partition(bool verbose) 1259 { 1260 #if defined(CONFIG_ENVF) || defined(CONFIG_ENV_PARTITION) 1261 char *part_type[] = { "mtdparts", "blkdevparts" }; 1262 char *part_list; 1263 char *env; 1264 int id = 0; 1265 1266 env = env_get(part_type[id]); 1267 if (!env) 1268 env = env_get(part_type[++id]); 1269 if (env) { 1270 if (!strstr(env, part_type[id])) { 1271 part_list = calloc(1, strlen(env) + strlen(part_type[id]) + 2); 1272 if (part_list) { 1273 strcat(part_list, part_type[id]); 1274 strcat(part_list, "="); 1275 strcat(part_list, env); 1276 } 1277 } else { 1278 part_list = env; 1279 } 1280 env_update("bootargs", part_list); 1281 if (verbose) 1282 printf("## parts: %s\n\n", part_list); 1283 } 1284 1285 env = env_get("sys_bootargs"); 1286 if (env) { 1287 env_update("bootargs", env); 1288 if (verbose) 1289 printf("## sys_bootargs: %s\n\n", env); 1290 } 1291 #endif 1292 1293 #ifdef CONFIG_MTD_BLK 1294 if (!env_get("mtdparts")) { 1295 char *mtd_par_info = mtd_part_parse(NULL); 1296 1297 if (mtd_par_info) { 1298 if (memcmp(env_get("devtype"), "mtd", 3) == 0) 1299 env_update("bootargs", mtd_par_info); 1300 } 1301 } 1302 #endif 1303 } 1304 1305 static void bootargs_add_dtb_dtbo(void *fdt, bool verbose) 1306 { 1307 /* bootargs_ext is used when dtbo is applied. */ 1308 const char *arr_bootargs[] = { "bootargs", "bootargs_ext" }; 1309 const char *bootargs; 1310 char *msg = "kernel"; 1311 int i, noffset; 1312 1313 /* find or create "/chosen" node. */ 1314 noffset = fdt_find_or_add_subnode(fdt, 0, "chosen"); 1315 if (noffset < 0) 1316 return; 1317 1318 for (i = 0; i < ARRAY_SIZE(arr_bootargs); i++) { 1319 bootargs = fdt_getprop(fdt, noffset, arr_bootargs[i], NULL); 1320 if (!bootargs) 1321 continue; 1322 if (verbose) 1323 printf("## bootargs(%s-%s): %s\n\n", 1324 msg, arr_bootargs[i], bootargs); 1325 /* 1326 * Append kernel bootargs 1327 * If use AB system, delete default "root=" which route 1328 * to rootfs. Then the ab bootctl will choose the 1329 * high priority system to boot and add its UUID 1330 * to cmdline. The format is "roo=PARTUUID=xxxx...". 1331 */ 1332 #ifdef CONFIG_ANDROID_AB 1333 env_update_filter("bootargs", bootargs, "root="); 1334 #else 1335 env_update("bootargs", bootargs); 1336 #endif 1337 } 1338 } 1339 1340 char *board_fdt_chosen_bootargs(void *fdt) 1341 { 1342 int verbose = is_hotkey(HK_CMDLINE); 1343 const char *bootargs; 1344 1345 /* debug */ 1346 hotkey_run(HK_INITCALL); 1347 if (verbose) 1348 printf("## bootargs(u-boot): %s\n\n", env_get("bootargs")); 1349 1350 bootargs_add_dtb_dtbo(fdt, verbose); 1351 bootargs_add_partition(verbose); 1352 bootargs_add_android(verbose); 1353 bootargs_add_fwver(verbose); 1354 1355 /* 1356 * Initrd fixup: remove unused "initrd=0x...,0x...", 1357 * this for compatible with legacy parameter.txt 1358 */ 1359 env_delete("bootargs", "initrd=", 0); 1360 1361 /* 1362 * If uart is required to be disabled during 1363 * power on, it would be not initialized by 1364 * any pre-loader and U-Boot. 1365 * 1366 * If we don't remove earlycon from commandline, 1367 * kernel hangs while using earlycon to putc/getc 1368 * which may dead loop for waiting uart status. 1369 * (It seems the root cause is baundrate is not 1370 * initilalized) 1371 * 1372 * So let's remove earlycon from commandline. 1373 */ 1374 if (gd->flags & GD_FLG_DISABLE_CONSOLE) 1375 env_delete("bootargs", "earlycon=", 0); 1376 1377 bootargs = env_get("bootargs"); 1378 if (verbose) 1379 printf("## bootargs(merged): %s\n\n", bootargs); 1380 1381 return (char *)bootargs; 1382 } 1383 1384 int ft_verify_fdt(void *fdt) 1385 { 1386 /* for android header v4+, we load bootparams and fixup initrd */ 1387 #if defined(CONFIG_ANDROID_BOOT_IMAGE) && defined(CONFIG_XBC) 1388 struct andr_img_hdr *hdr; 1389 uint64_t initrd_start, initrd_end; 1390 char *bootargs, *p; 1391 int nodeoffset; 1392 int is_u64, err; 1393 u32 len; 1394 1395 hdr = (void *)env_get_ulong("android_addr_r", 16, 0); 1396 if (!hdr || android_image_check_header(hdr) || 1397 hdr->header_version < 4) 1398 return 1; 1399 1400 bootargs = env_get("andr_bootargs"); 1401 if (!bootargs) 1402 return 1; 1403 1404 /* trans character: space to new line */ 1405 p = bootargs; 1406 while (*p++) { 1407 if (*p == ' ') 1408 *p = '\n'; 1409 } 1410 1411 debug("## andr_bootargs: %s\n", bootargs); 1412 1413 /* 1414 * add boot params right after bootconfig 1415 * 1416 * because we can get final full bootargs in board_fdt_chosen_bootargs(), 1417 * android_image_get_ramdisk() is early than that. 1418 * 1419 * we have to add boot params by now. 1420 */ 1421 len = addBootConfigParameters((char *)bootargs, strlen(bootargs), 1422 (u64)hdr->ramdisk_addr + hdr->ramdisk_size + 1423 hdr->vendor_ramdisk_size, hdr->vendor_bootconfig_size); 1424 if (len < 0) { 1425 printf("error: addBootConfigParameters\n"); 1426 return 0; 1427 } 1428 1429 nodeoffset = fdt_subnode_offset(fdt, 0, "chosen"); 1430 if (nodeoffset < 0) { 1431 printf("error: No /chosen node\n"); 1432 return 0; 1433 } 1434 1435 /* fixup initrd with real value */ 1436 fdt_delprop(fdt, nodeoffset, "linux,initrd-start"); 1437 fdt_delprop(fdt, nodeoffset, "linux,initrd-end"); 1438 1439 is_u64 = (fdt_address_cells(fdt, 0) == 2); 1440 initrd_start = hdr->ramdisk_addr; 1441 initrd_end = initrd_start + hdr->ramdisk_size + 1442 hdr->vendor_ramdisk_size + 1443 hdr->vendor_bootconfig_size + len; 1444 err = fdt_setprop_uxx(fdt, nodeoffset, "linux,initrd-start", 1445 initrd_start, is_u64); 1446 if (err < 0) { 1447 printf("WARNING: could not set linux,initrd-start %s.\n", 1448 fdt_strerror(err)); 1449 return 0; 1450 } 1451 err = fdt_setprop_uxx(fdt, nodeoffset, "linux,initrd-end", 1452 initrd_end, is_u64); 1453 if (err < 0) { 1454 printf("WARNING: could not set linux,initrd-end %s.\n", 1455 fdt_strerror(err)); 1456 return 0; 1457 } 1458 #endif 1459 return 1; 1460 } 1461 1462