Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (c) 2013, Google Inc. |
| 4 | * |
| 5 | * (C) Copyright 2008 Semihalf |
| 6 | * |
| 7 | * (C) Copyright 2000-2006 |
| 8 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #include <common.h> |
| 12 | #include <fdt_support.h> |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 13 | #include <fdtdec.h> |
Simon Glass | 83c2e49 | 2019-08-01 09:46:50 -0600 | [diff] [blame] | 14 | #include <env.h> |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 15 | #include <errno.h> |
| 16 | #include <image.h> |
Simon Glass | 2dc9c34 | 2020-05-10 11:40:01 -0600 | [diff] [blame] | 17 | #include <lmb.h> |
Simon Glass | 0f2af88 | 2020-05-10 11:40:05 -0600 | [diff] [blame] | 18 | #include <log.h> |
Simon Glass | 9bc1564 | 2020-02-03 07:36:16 -0700 | [diff] [blame] | 19 | #include <malloc.h> |
Simon Glass | 3ba929a | 2020-10-30 21:38:53 -0600 | [diff] [blame] | 20 | #include <asm/global_data.h> |
Masahiro Yamada | 75f82d0 | 2018-03-05 01:20:11 +0900 | [diff] [blame] | 21 | #include <linux/libfdt.h> |
Joe Hershberger | 65b905b | 2015-03-22 17:08:59 -0500 | [diff] [blame] | 22 | #include <mapmem.h> |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 23 | #include <asm/io.h> |
Heiko Stuebner | b1a4fa0 | 2019-10-23 16:46:40 +0200 | [diff] [blame] | 24 | #include <tee/optee.h> |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 25 | |
| 26 | #ifndef CONFIG_SYS_FDT_PAD |
| 27 | #define CONFIG_SYS_FDT_PAD 0x3000 |
| 28 | #endif |
| 29 | |
Masahiro Yamada | 95a686d | 2018-03-21 18:03:33 +0900 | [diff] [blame] | 30 | /* adding a ramdisk needs 0x44 bytes in version 2008.10 */ |
| 31 | #define FDT_RAMDISK_OVERHEAD 0x80 |
| 32 | |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 33 | DECLARE_GLOBAL_DATA_PTR; |
| 34 | |
| 35 | static void fdt_error(const char *msg) |
| 36 | { |
| 37 | puts("ERROR: "); |
| 38 | puts(msg); |
| 39 | puts(" - must RESET the board to recover.\n"); |
| 40 | } |
| 41 | |
Tom Rini | c220bd9 | 2019-05-23 07:14:07 -0400 | [diff] [blame] | 42 | #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 43 | static const image_header_t *image_get_fdt(ulong fdt_addr) |
| 44 | { |
| 45 | const image_header_t *fdt_hdr = map_sysmem(fdt_addr, 0); |
| 46 | |
| 47 | image_print_contents(fdt_hdr); |
| 48 | |
| 49 | puts(" Verifying Checksum ... "); |
| 50 | if (!image_check_hcrc(fdt_hdr)) { |
| 51 | fdt_error("fdt header checksum invalid"); |
| 52 | return NULL; |
| 53 | } |
| 54 | |
| 55 | if (!image_check_dcrc(fdt_hdr)) { |
| 56 | fdt_error("fdt checksum invalid"); |
| 57 | return NULL; |
| 58 | } |
| 59 | puts("OK\n"); |
| 60 | |
| 61 | if (!image_check_type(fdt_hdr, IH_TYPE_FLATDT)) { |
| 62 | fdt_error("uImage is not a fdt"); |
| 63 | return NULL; |
| 64 | } |
| 65 | if (image_get_comp(fdt_hdr) != IH_COMP_NONE) { |
| 66 | fdt_error("uImage is compressed"); |
| 67 | return NULL; |
| 68 | } |
Masahiro Yamada | bc2a07d | 2013-09-19 12:10:18 +0900 | [diff] [blame] | 69 | if (fdt_check_header((void *)image_get_data(fdt_hdr)) != 0) { |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 70 | fdt_error("uImage data is not a fdt"); |
| 71 | return NULL; |
| 72 | } |
| 73 | return fdt_hdr; |
| 74 | } |
Heiko Schocher | 515eb12 | 2014-05-28 11:33:33 +0200 | [diff] [blame] | 75 | #endif |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 76 | |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 77 | static void boot_fdt_reserve_region(struct lmb *lmb, uint64_t addr, |
| 78 | uint64_t size) |
| 79 | { |
Patrick Delaunay | dcd5aba | 2019-03-06 14:23:52 +0100 | [diff] [blame] | 80 | long ret; |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 81 | |
| 82 | ret = lmb_reserve(lmb, addr, size); |
Patrick Delaunay | dcd5aba | 2019-03-06 14:23:52 +0100 | [diff] [blame] | 83 | if (ret >= 0) { |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 84 | debug(" reserving fdt memory region: addr=%llx size=%llx\n", |
| 85 | (unsigned long long)addr, (unsigned long long)size); |
| 86 | } else { |
| 87 | puts("ERROR: reserving fdt memory region failed "); |
| 88 | printf("(addr=%llx size=%llx)\n", |
| 89 | (unsigned long long)addr, (unsigned long long)size); |
| 90 | } |
| 91 | } |
| 92 | |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 93 | /** |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 94 | * boot_fdt_add_mem_rsv_regions - Mark the memreserve and reserved-memory |
| 95 | * sections as unusable |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 96 | * @lmb: pointer to lmb handle, will be used for memory mgmt |
| 97 | * @fdt_blob: pointer to fdt blob base address |
| 98 | * |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 99 | * Adds the and reserved-memorymemreserve regions in the dtb to the lmb block. |
| 100 | * Adding the memreserve regions prevents u-boot from using them to store the |
| 101 | * initrd or the fdt blob. |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 102 | */ |
| 103 | void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob) |
| 104 | { |
| 105 | uint64_t addr, size; |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 106 | int i, total, ret; |
| 107 | int nodeoffset, subnode; |
| 108 | struct fdt_resource res; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 109 | |
| 110 | if (fdt_check_header(fdt_blob) != 0) |
| 111 | return; |
| 112 | |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 113 | /* process memreserve sections */ |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 114 | total = fdt_num_mem_rsv(fdt_blob); |
| 115 | for (i = 0; i < total; i++) { |
| 116 | if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0) |
| 117 | continue; |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 118 | boot_fdt_reserve_region(lmb, addr, size); |
| 119 | } |
| 120 | |
| 121 | /* process reserved-memory */ |
| 122 | nodeoffset = fdt_subnode_offset(fdt_blob, 0, "reserved-memory"); |
| 123 | if (nodeoffset >= 0) { |
| 124 | subnode = fdt_first_subnode(fdt_blob, nodeoffset); |
| 125 | while (subnode >= 0) { |
| 126 | /* check if this subnode has a reg property */ |
| 127 | ret = fdt_get_resource(fdt_blob, subnode, "reg", 0, |
| 128 | &res); |
Thirupathaiah Annapureddy | e6d6d14 | 2020-01-06 22:21:42 -0800 | [diff] [blame] | 129 | if (!ret && fdtdec_get_is_enabled(fdt_blob, subnode)) { |
Simon Goldschmidt | 01adc4c | 2019-01-14 22:38:17 +0100 | [diff] [blame] | 130 | addr = res.start; |
| 131 | size = res.end - res.start + 1; |
| 132 | boot_fdt_reserve_region(lmb, addr, size); |
| 133 | } |
| 134 | |
| 135 | subnode = fdt_next_subnode(fdt_blob, subnode); |
| 136 | } |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 137 | } |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * boot_relocate_fdt - relocate flat device tree |
| 142 | * @lmb: pointer to lmb handle, will be used for memory mgmt |
| 143 | * @of_flat_tree: pointer to a char* variable, will hold fdt start address |
| 144 | * @of_size: pointer to a ulong variable, will hold fdt length |
| 145 | * |
| 146 | * boot_relocate_fdt() allocates a region of memory within the bootmap and |
| 147 | * relocates the of_flat_tree into that region, even if the fdt is already in |
| 148 | * the bootmap. It also expands the size of the fdt by CONFIG_SYS_FDT_PAD |
| 149 | * bytes. |
| 150 | * |
| 151 | * of_flat_tree and of_size are set to final (after relocation) values |
| 152 | * |
| 153 | * returns: |
| 154 | * 0 - success |
| 155 | * 1 - failure |
| 156 | */ |
| 157 | int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size) |
| 158 | { |
| 159 | void *fdt_blob = *of_flat_tree; |
| 160 | void *of_start = NULL; |
| 161 | char *fdt_high; |
| 162 | ulong of_len = 0; |
| 163 | int err; |
| 164 | int disable_relocation = 0; |
| 165 | |
| 166 | /* nothing to do */ |
| 167 | if (*of_size == 0) |
| 168 | return 0; |
| 169 | |
| 170 | if (fdt_check_header(fdt_blob) != 0) { |
| 171 | fdt_error("image is not a fdt"); |
| 172 | goto error; |
| 173 | } |
| 174 | |
| 175 | /* position on a 4K boundary before the alloc_current */ |
| 176 | /* Pad the FDT by a specified amount */ |
| 177 | of_len = *of_size + CONFIG_SYS_FDT_PAD; |
| 178 | |
| 179 | /* If fdt_high is set use it to select the relocation address */ |
Simon Glass | 64b723f | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 180 | fdt_high = env_get("fdt_high"); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 181 | if (fdt_high) { |
| 182 | void *desired_addr = (void *)simple_strtoul(fdt_high, NULL, 16); |
| 183 | |
| 184 | if (((ulong) desired_addr) == ~0UL) { |
| 185 | /* All ones means use fdt in place */ |
| 186 | of_start = fdt_blob; |
| 187 | lmb_reserve(lmb, (ulong)of_start, of_len); |
| 188 | disable_relocation = 1; |
| 189 | } else if (desired_addr) { |
| 190 | of_start = |
| 191 | (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, |
| 192 | (ulong)desired_addr); |
| 193 | if (of_start == NULL) { |
| 194 | puts("Failed using fdt_high value for Device Tree"); |
| 195 | goto error; |
| 196 | } |
| 197 | } else { |
| 198 | of_start = |
| 199 | (void *)(ulong) lmb_alloc(lmb, of_len, 0x1000); |
| 200 | } |
| 201 | } else { |
| 202 | of_start = |
| 203 | (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, |
Simon Glass | da1a134 | 2017-08-03 12:22:15 -0600 | [diff] [blame] | 204 | env_get_bootm_mapsize() |
| 205 | + env_get_bootm_low()); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | if (of_start == NULL) { |
| 209 | puts("device tree - allocation error\n"); |
| 210 | goto error; |
| 211 | } |
| 212 | |
| 213 | if (disable_relocation) { |
| 214 | /* |
| 215 | * We assume there is space after the existing fdt to use |
| 216 | * for padding |
| 217 | */ |
| 218 | fdt_set_totalsize(of_start, of_len); |
| 219 | printf(" Using Device Tree in place at %p, end %p\n", |
| 220 | of_start, of_start + of_len - 1); |
| 221 | } else { |
| 222 | debug("## device tree at %p ... %p (len=%ld [0x%lX])\n", |
| 223 | fdt_blob, fdt_blob + *of_size - 1, of_len, of_len); |
| 224 | |
| 225 | printf(" Loading Device Tree to %p, end %p ... ", |
| 226 | of_start, of_start + of_len - 1); |
| 227 | |
| 228 | err = fdt_open_into(fdt_blob, of_start, of_len); |
| 229 | if (err != 0) { |
| 230 | fdt_error("fdt move failed"); |
| 231 | goto error; |
| 232 | } |
| 233 | puts("OK\n"); |
| 234 | } |
| 235 | |
| 236 | *of_flat_tree = of_start; |
| 237 | *of_size = of_len; |
| 238 | |
Simon Goldschmidt | 6127ac0 | 2018-12-17 20:14:42 +0100 | [diff] [blame] | 239 | if (CONFIG_IS_ENABLED(CMD_FDT)) |
| 240 | set_working_fdt_addr(map_to_sysmem(*of_flat_tree)); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 241 | return 0; |
| 242 | |
| 243 | error: |
| 244 | return 1; |
| 245 | } |
| 246 | |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 247 | /** |
| 248 | * boot_get_fdt - main fdt handling routine |
| 249 | * @argc: command argument count |
| 250 | * @argv: command argument list |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 251 | * @arch: architecture (IH_ARCH_...) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 252 | * @images: pointer to the bootm images structure |
| 253 | * @of_flat_tree: pointer to a char* variable, will hold fdt start address |
| 254 | * @of_size: pointer to a ulong variable, will hold fdt length |
| 255 | * |
| 256 | * boot_get_fdt() is responsible for finding a valid flat device tree image. |
| 257 | * Curently supported are the following ramdisk sources: |
| 258 | * - multicomponent kernel/ramdisk image, |
| 259 | * - commandline provided address of decicated ramdisk image. |
| 260 | * |
| 261 | * returns: |
| 262 | * 0, if fdt image was found and valid, or skipped |
| 263 | * of_flat_tree and of_size are set to fdt start address and length if |
| 264 | * fdt image is found and valid |
| 265 | * |
| 266 | * 1, if fdt image is found but corrupted |
| 267 | * of_flat_tree and of_size are set to 0 if no fdt exists |
| 268 | */ |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 269 | int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch, |
| 270 | bootm_headers_t *images, char **of_flat_tree, ulong *of_size) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 271 | { |
Tom Rini | c220bd9 | 2019-05-23 07:14:07 -0400 | [diff] [blame] | 272 | #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 273 | const image_header_t *fdt_hdr; |
Heiko Schocher | 515eb12 | 2014-05-28 11:33:33 +0200 | [diff] [blame] | 274 | ulong load, load_end; |
| 275 | ulong image_start, image_data, image_end; |
| 276 | #endif |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 277 | ulong img_addr; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 278 | ulong fdt_addr; |
| 279 | char *fdt_blob = NULL; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 280 | void *buf; |
Simon Glass | e3ee2fb | 2016-02-22 22:55:43 -0700 | [diff] [blame] | 281 | #if CONFIG_IS_ENABLED(FIT) |
Simon Glass | ad68fc3 | 2013-07-10 23:08:10 -0700 | [diff] [blame] | 282 | const char *fit_uname_config = images->fit_uname_cfg; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 283 | const char *fit_uname_fdt = NULL; |
| 284 | ulong default_addr; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 285 | int fdt_noffset; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 286 | #endif |
Simon Glass | 794a921 | 2013-06-11 11:14:46 -0700 | [diff] [blame] | 287 | const char *select = NULL; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 288 | |
| 289 | *of_flat_tree = NULL; |
| 290 | *of_size = 0; |
| 291 | |
Simon Glass | 892265d | 2019-12-28 10:45:02 -0700 | [diff] [blame] | 292 | img_addr = (argc == 0) ? image_load_addr : |
| 293 | simple_strtoul(argv[0], NULL, 16); |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 294 | buf = map_sysmem(img_addr, 0); |
| 295 | |
Simon Glass | 794a921 | 2013-06-11 11:14:46 -0700 | [diff] [blame] | 296 | if (argc > 2) |
| 297 | select = argv[2]; |
| 298 | if (select || genimg_has_config(images)) { |
Simon Glass | e3ee2fb | 2016-02-22 22:55:43 -0700 | [diff] [blame] | 299 | #if CONFIG_IS_ENABLED(FIT) |
Simon Glass | 794a921 | 2013-06-11 11:14:46 -0700 | [diff] [blame] | 300 | if (select) { |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 301 | /* |
| 302 | * If the FDT blob comes from the FIT image and the |
| 303 | * FIT image address is omitted in the command line |
| 304 | * argument, try to use ramdisk or os FIT image |
| 305 | * address or default load address. |
| 306 | */ |
| 307 | if (images->fit_uname_rd) |
| 308 | default_addr = (ulong)images->fit_hdr_rd; |
| 309 | else if (images->fit_uname_os) |
| 310 | default_addr = (ulong)images->fit_hdr_os; |
| 311 | else |
Simon Glass | 892265d | 2019-12-28 10:45:02 -0700 | [diff] [blame] | 312 | default_addr = image_load_addr; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 313 | |
Simon Glass | 794a921 | 2013-06-11 11:14:46 -0700 | [diff] [blame] | 314 | if (fit_parse_conf(select, default_addr, |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 315 | &fdt_addr, &fit_uname_config)) { |
| 316 | debug("* fdt: config '%s' from image at 0x%08lx\n", |
| 317 | fit_uname_config, fdt_addr); |
Simon Glass | 794a921 | 2013-06-11 11:14:46 -0700 | [diff] [blame] | 318 | } else if (fit_parse_subimage(select, default_addr, |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 319 | &fdt_addr, &fit_uname_fdt)) { |
| 320 | debug("* fdt: subimage '%s' from image at 0x%08lx\n", |
| 321 | fit_uname_fdt, fdt_addr); |
| 322 | } else |
| 323 | #endif |
| 324 | { |
Simon Glass | 794a921 | 2013-06-11 11:14:46 -0700 | [diff] [blame] | 325 | fdt_addr = simple_strtoul(select, NULL, 16); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 326 | debug("* fdt: cmdline image address = 0x%08lx\n", |
| 327 | fdt_addr); |
| 328 | } |
Simon Glass | e3ee2fb | 2016-02-22 22:55:43 -0700 | [diff] [blame] | 329 | #if CONFIG_IS_ENABLED(FIT) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 330 | } else { |
| 331 | /* use FIT configuration provided in first bootm |
| 332 | * command argument |
| 333 | */ |
| 334 | fdt_addr = map_to_sysmem(images->fit_hdr_os); |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 335 | fdt_noffset = fit_get_node_from_config(images, |
| 336 | FIT_FDT_PROP, |
| 337 | fdt_addr); |
Paul Burton | 14171b1 | 2016-09-20 18:17:12 +0100 | [diff] [blame] | 338 | if (fdt_noffset == -ENOENT) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 339 | return 0; |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 340 | else if (fdt_noffset < 0) |
| 341 | return 1; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 342 | } |
| 343 | #endif |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 344 | debug("## Checking for 'FDT'/'FDT Image' at %08lx\n", |
| 345 | fdt_addr); |
| 346 | |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 347 | /* |
| 348 | * Check if there is an FDT image at the |
| 349 | * address provided in the second bootm argument |
| 350 | * check image type, for FIT images get a FIT node. |
| 351 | */ |
| 352 | buf = map_sysmem(fdt_addr, 0); |
| 353 | switch (genimg_get_format(buf)) { |
Tom Rini | c220bd9 | 2019-05-23 07:14:07 -0400 | [diff] [blame] | 354 | #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 355 | case IMAGE_FORMAT_LEGACY: |
| 356 | /* verify fdt_addr points to a valid image header */ |
| 357 | printf("## Flattened Device Tree from Legacy Image at %08lx\n", |
| 358 | fdt_addr); |
| 359 | fdt_hdr = image_get_fdt(fdt_addr); |
| 360 | if (!fdt_hdr) |
Suriyan Ramasami | 00f9ca9 | 2014-11-27 13:24:16 -0800 | [diff] [blame] | 361 | goto no_fdt; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 362 | |
| 363 | /* |
| 364 | * move image data to the load address, |
| 365 | * make sure we don't overwrite initial image |
| 366 | */ |
| 367 | image_start = (ulong)fdt_hdr; |
| 368 | image_data = (ulong)image_get_data(fdt_hdr); |
| 369 | image_end = image_get_image_end(fdt_hdr); |
| 370 | |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 371 | load = image_get_load(fdt_hdr); |
| 372 | load_end = load + image_get_data_size(fdt_hdr); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 373 | |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 374 | if (load == image_start || |
| 375 | load == image_data) { |
Peng Fan | ab80a11 | 2015-11-24 16:54:22 +0800 | [diff] [blame] | 376 | fdt_addr = load; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 377 | break; |
| 378 | } |
| 379 | |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 380 | if ((load < image_end) && (load_end > image_start)) { |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 381 | fdt_error("fdt overwritten"); |
| 382 | goto error; |
| 383 | } |
| 384 | |
| 385 | debug(" Loading FDT from 0x%08lx to 0x%08lx\n", |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 386 | image_data, load); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 387 | |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 388 | memmove((void *)load, |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 389 | (void *)image_data, |
| 390 | image_get_data_size(fdt_hdr)); |
| 391 | |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 392 | fdt_addr = load; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 393 | break; |
Heiko Schocher | 515eb12 | 2014-05-28 11:33:33 +0200 | [diff] [blame] | 394 | #endif |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 395 | case IMAGE_FORMAT_FIT: |
| 396 | /* |
| 397 | * This case will catch both: new uImage format |
| 398 | * (libfdt based) and raw FDT blob (also libfdt |
| 399 | * based). |
| 400 | */ |
Simon Glass | e3ee2fb | 2016-02-22 22:55:43 -0700 | [diff] [blame] | 401 | #if CONFIG_IS_ENABLED(FIT) |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 402 | /* check FDT blob vs FIT blob */ |
Simon Glass | d563c25 | 2021-02-15 17:08:09 -0700 | [diff] [blame] | 403 | if (!fit_check_format(buf, IMAGE_SIZE_INVAL)) { |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 404 | ulong load, len; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 405 | |
Pantelis Antoniou | 6e51fb2 | 2017-09-04 23:12:16 +0300 | [diff] [blame] | 406 | fdt_noffset = boot_get_fdt_fit(images, |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 407 | fdt_addr, &fit_uname_fdt, |
Simon Glass | ad68fc3 | 2013-07-10 23:08:10 -0700 | [diff] [blame] | 408 | &fit_uname_config, |
Pantelis Antoniou | 6e51fb2 | 2017-09-04 23:12:16 +0300 | [diff] [blame] | 409 | arch, &load, &len); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 410 | |
Hongwei Zhang | 1f215e3 | 2020-12-02 14:47:03 -0500 | [diff] [blame] | 411 | if (fdt_noffset < 0) |
| 412 | goto error; |
| 413 | |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 414 | images->fit_hdr_fdt = map_sysmem(fdt_addr, 0); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 415 | images->fit_uname_fdt = fit_uname_fdt; |
| 416 | images->fit_noffset_fdt = fdt_noffset; |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 417 | fdt_addr = load; |
Pantelis Antoniou | 6e51fb2 | 2017-09-04 23:12:16 +0300 | [diff] [blame] | 418 | |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 419 | break; |
| 420 | } else |
| 421 | #endif |
| 422 | { |
| 423 | /* |
| 424 | * FDT blob |
| 425 | */ |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 426 | debug("* fdt: raw FDT blob\n"); |
| 427 | printf("## Flattened Device Tree blob at %08lx\n", |
| 428 | (long)fdt_addr); |
| 429 | } |
| 430 | break; |
| 431 | default: |
| 432 | puts("ERROR: Did not find a cmdline Flattened Device Tree\n"); |
Tero Kristo | bb125c4 | 2020-06-12 15:41:19 +0300 | [diff] [blame] | 433 | goto error; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 434 | } |
| 435 | |
Simon Glass | b1b7992 | 2013-05-16 13:53:23 +0000 | [diff] [blame] | 436 | printf(" Booting using the fdt blob at %#08lx\n", fdt_addr); |
| 437 | fdt_blob = map_sysmem(fdt_addr, 0); |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 438 | } else if (images->legacy_hdr_valid && |
| 439 | image_check_type(&images->legacy_hdr_os_copy, |
| 440 | IH_TYPE_MULTI)) { |
| 441 | ulong fdt_data, fdt_len; |
| 442 | |
| 443 | /* |
| 444 | * Now check if we have a legacy multi-component image, |
| 445 | * get second entry data start address and len. |
| 446 | */ |
| 447 | printf("## Flattened Device Tree from multi component Image at %08lX\n", |
| 448 | (ulong)images->legacy_hdr_os); |
| 449 | |
| 450 | image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data, |
| 451 | &fdt_len); |
| 452 | if (fdt_len) { |
| 453 | fdt_blob = (char *)fdt_data; |
| 454 | printf(" Booting using the fdt at 0x%p\n", fdt_blob); |
| 455 | |
| 456 | if (fdt_check_header(fdt_blob) != 0) { |
| 457 | fdt_error("image is not a fdt"); |
| 458 | goto error; |
| 459 | } |
| 460 | |
| 461 | if (fdt_totalsize(fdt_blob) != fdt_len) { |
| 462 | fdt_error("fdt size != image size"); |
| 463 | goto error; |
| 464 | } |
| 465 | } else { |
| 466 | debug("## No Flattened Device Tree\n"); |
Suriyan Ramasami | 00f9ca9 | 2014-11-27 13:24:16 -0800 | [diff] [blame] | 467 | goto no_fdt; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 468 | } |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 469 | #ifdef CONFIG_ANDROID_BOOT_IMAGE |
| 470 | } else if (genimg_get_format(buf) == IMAGE_FORMAT_ANDROID) { |
| 471 | struct andr_img_hdr *hdr = buf; |
chenshuo | 1c7d904 | 2020-07-20 08:48:15 +0800 | [diff] [blame] | 472 | ulong fdt_data, fdt_len; |
| 473 | u32 fdt_size, dtb_idx; |
| 474 | /* |
| 475 | * Firstly check if this android boot image has dtb field. |
| 476 | */ |
| 477 | dtb_idx = (u32)env_get_ulong("adtb_idx", 10, 0); |
| 478 | if (android_image_get_dtb_by_index((ulong)hdr, dtb_idx, &fdt_addr, &fdt_size)) { |
| 479 | fdt_blob = (char *)map_sysmem(fdt_addr, 0); |
| 480 | if (fdt_check_header(fdt_blob)) |
| 481 | goto no_fdt; |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 482 | |
chenshuo | 1c7d904 | 2020-07-20 08:48:15 +0800 | [diff] [blame] | 483 | debug("## Using FDT in Android image dtb area with idx %u\n", dtb_idx); |
| 484 | } else if (!android_image_get_second(hdr, &fdt_data, &fdt_len) && |
| 485 | !fdt_check_header((char *)fdt_data)) { |
Eugeniu Rosca | 60a869a | 2019-04-01 12:45:36 +0200 | [diff] [blame] | 486 | fdt_blob = (char *)fdt_data; |
| 487 | if (fdt_totalsize(fdt_blob) != fdt_len) |
| 488 | goto error; |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 489 | |
Eugeniu Rosca | 60a869a | 2019-04-01 12:45:36 +0200 | [diff] [blame] | 490 | debug("## Using FDT in Android image second area\n"); |
| 491 | } else { |
Eugeniu Rosca | d3617b4 | 2019-04-01 12:52:52 +0200 | [diff] [blame] | 492 | fdt_addr = env_get_hex("fdtaddr", 0); |
| 493 | if (!fdt_addr) |
| 494 | goto no_fdt; |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 495 | |
Eugeniu Rosca | d3617b4 | 2019-04-01 12:52:52 +0200 | [diff] [blame] | 496 | fdt_blob = map_sysmem(fdt_addr, 0); |
| 497 | if (fdt_check_header(fdt_blob)) |
| 498 | goto no_fdt; |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 499 | |
Eugeniu Rosca | d3617b4 | 2019-04-01 12:52:52 +0200 | [diff] [blame] | 500 | debug("## Using FDT at ${fdtaddr}=Ox%lx\n", fdt_addr); |
Eugeniu Rosca | 60a869a | 2019-04-01 12:45:36 +0200 | [diff] [blame] | 501 | } |
Shawn Guo | c9e7152 | 2019-01-15 22:26:37 +0800 | [diff] [blame] | 502 | #endif |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 503 | } else { |
| 504 | debug("## No Flattened Device Tree\n"); |
Suriyan Ramasami | 00f9ca9 | 2014-11-27 13:24:16 -0800 | [diff] [blame] | 505 | goto no_fdt; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | *of_flat_tree = fdt_blob; |
| 509 | *of_size = fdt_totalsize(fdt_blob); |
| 510 | debug(" of_flat_tree at 0x%08lx size 0x%08lx\n", |
| 511 | (ulong)*of_flat_tree, *of_size); |
| 512 | |
| 513 | return 0; |
| 514 | |
Suriyan Ramasami | 00f9ca9 | 2014-11-27 13:24:16 -0800 | [diff] [blame] | 515 | no_fdt: |
Eugeniu Rosca | a7da502 | 2019-04-01 12:45:35 +0200 | [diff] [blame] | 516 | debug("Continuing to boot without FDT\n"); |
| 517 | return 0; |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 518 | error: |
Simon Glass | c6bdabb | 2013-05-08 08:06:00 +0000 | [diff] [blame] | 519 | return 1; |
| 520 | } |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 521 | |
| 522 | /* |
| 523 | * Verify the device tree. |
| 524 | * |
| 525 | * This function is called after all device tree fix-ups have been enacted, |
| 526 | * so that the final device tree can be verified. The definition of "verified" |
| 527 | * is up to the specific implementation. However, it generally means that the |
| 528 | * addresses of some of the devices in the device tree are compared with the |
| 529 | * actual addresses at which U-Boot has placed them. |
| 530 | * |
Bin Meng | 7557405 | 2016-02-05 19:30:11 -0800 | [diff] [blame] | 531 | * Returns 1 on success, 0 on failure. If 0 is returned, U-Boot will halt the |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 532 | * boot process. |
| 533 | */ |
| 534 | __weak int ft_verify_fdt(void *fdt) |
| 535 | { |
| 536 | return 1; |
| 537 | } |
| 538 | |
Alexey Brodkin | 91a3159 | 2018-01-24 20:47:09 +0300 | [diff] [blame] | 539 | __weak int arch_fixup_fdt(void *blob) |
| 540 | { |
| 541 | return 0; |
| 542 | } |
| 543 | |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 544 | int image_setup_libfdt(bootm_headers_t *images, void *blob, |
| 545 | int of_size, struct lmb *lmb) |
| 546 | { |
| 547 | ulong *initrd_start = &images->initrd_start; |
| 548 | ulong *initrd_end = &images->initrd_end; |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 549 | int ret = -EPERM; |
| 550 | int fdt_ret; |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 551 | |
Paul Kocialkowski | 2c0fbc7 | 2015-05-21 11:27:03 +0200 | [diff] [blame] | 552 | if (fdt_root(blob) < 0) { |
| 553 | printf("ERROR: root node setup failed\n"); |
| 554 | goto err; |
| 555 | } |
Masahiro Yamada | 451c204 | 2014-04-18 17:41:00 +0900 | [diff] [blame] | 556 | if (fdt_chosen(blob) < 0) { |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 557 | printf("ERROR: /chosen node create failed\n"); |
| 558 | goto err; |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 559 | } |
Ma Haijun | 6235824 | 2014-07-12 14:24:06 +0100 | [diff] [blame] | 560 | if (arch_fixup_fdt(blob) < 0) { |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 561 | printf("ERROR: arch-specific fdt fixup failed\n"); |
| 562 | goto err; |
Ma Haijun | 6235824 | 2014-07-12 14:24:06 +0100 | [diff] [blame] | 563 | } |
Etienne Carriere | 2502e29 | 2020-06-05 09:22:54 +0200 | [diff] [blame] | 564 | |
| 565 | fdt_ret = optee_copy_fdt_nodes(gd->fdt_blob, blob); |
| 566 | if (fdt_ret) { |
| 567 | printf("ERROR: transfer of optee nodes to new fdt failed: %s\n", |
| 568 | fdt_strerror(fdt_ret)); |
| 569 | goto err; |
| 570 | } |
| 571 | |
Tom Rini | 78548ea | 2017-04-28 08:51:44 -0400 | [diff] [blame] | 572 | /* Update ethernet nodes */ |
| 573 | fdt_fixup_ethernet(blob); |
Frédéric Danis | cdd6a6d | 2020-03-20 10:59:24 +0100 | [diff] [blame] | 574 | #if CONFIG_IS_ENABLED(CMD_PSTORE) |
| 575 | /* Append PStore configuration */ |
| 576 | fdt_fixup_pstore(blob); |
| 577 | #endif |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 578 | if (IMAGE_OF_BOARD_SETUP) { |
Wasim Khan | 6e5aad8 | 2021-02-04 15:44:04 +0100 | [diff] [blame] | 579 | const char *skip_board_fixup; |
| 580 | |
| 581 | skip_board_fixup = env_get("skip_board_fixup"); |
| 582 | if (skip_board_fixup && ((int)simple_strtol(skip_board_fixup, NULL, 10) == 1)) { |
| 583 | printf("skip board fdt fixup\n"); |
| 584 | } else { |
| 585 | fdt_ret = ft_board_setup(blob, gd->bd); |
| 586 | if (fdt_ret) { |
| 587 | printf("ERROR: board-specific fdt fixup failed: %s\n", |
| 588 | fdt_strerror(fdt_ret)); |
| 589 | goto err; |
| 590 | } |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 591 | } |
| 592 | } |
Simon Glass | 6c0be91 | 2014-10-23 18:58:54 -0600 | [diff] [blame] | 593 | if (IMAGE_OF_SYSTEM_SETUP) { |
Max Krummenacher | 17585f2 | 2015-08-05 17:17:03 +0200 | [diff] [blame] | 594 | fdt_ret = ft_system_setup(blob, gd->bd); |
| 595 | if (fdt_ret) { |
Simon Glass | 6c0be91 | 2014-10-23 18:58:54 -0600 | [diff] [blame] | 596 | printf("ERROR: system-specific fdt fixup failed: %s\n", |
| 597 | fdt_strerror(fdt_ret)); |
| 598 | goto err; |
| 599 | } |
| 600 | } |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 601 | |
| 602 | /* Delete the old LMB reservation */ |
Alexander Graf | c81b347 | 2016-03-04 01:10:13 +0100 | [diff] [blame] | 603 | if (lmb) |
| 604 | lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob, |
| 605 | (phys_size_t)fdt_totalsize(blob)); |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 606 | |
Hannes Schmelzer | d3dbac8 | 2016-09-20 18:10:43 +0200 | [diff] [blame] | 607 | ret = fdt_shrink_to_minimum(blob, 0); |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 608 | if (ret < 0) |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 609 | goto err; |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 610 | of_size = ret; |
| 611 | |
| 612 | if (*initrd_start && *initrd_end) { |
| 613 | of_size += FDT_RAMDISK_OVERHEAD; |
| 614 | fdt_set_totalsize(blob, of_size); |
| 615 | } |
| 616 | /* Create a new LMB reservation */ |
Alexander Graf | c81b347 | 2016-03-04 01:10:13 +0100 | [diff] [blame] | 617 | if (lmb) |
| 618 | lmb_reserve(lmb, (ulong)blob, of_size); |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 619 | |
Masahiro Yamada | 5b11489 | 2014-04-18 17:40:59 +0900 | [diff] [blame] | 620 | fdt_initrd(blob, *initrd_start, *initrd_end); |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 621 | if (!ft_verify_fdt(blob)) |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 622 | goto err; |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 623 | |
Khoronzhuk, Ivan | 8090298 | 2014-07-16 00:59:25 +0300 | [diff] [blame] | 624 | #if defined(CONFIG_SOC_KEYSTONE) |
Vitaly Andrianov | a122cbb | 2014-04-04 13:16:47 -0400 | [diff] [blame] | 625 | if (IMAGE_OF_BOARD_SETUP) |
| 626 | ft_board_setup_ex(blob, gd->bd); |
| 627 | #endif |
| 628 | |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 629 | return 0; |
Simon Glass | f3dd50b | 2014-10-23 18:58:53 -0600 | [diff] [blame] | 630 | err: |
| 631 | printf(" - must RESET the board to recover.\n\n"); |
| 632 | |
| 633 | return ret; |
Simon Glass | 9ca3742 | 2013-05-08 08:06:01 +0000 | [diff] [blame] | 634 | } |