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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
f1dcee59 SG |
2 | /* |
3 | * Copyright (C) 2016 Google, Inc | |
4 | * Written by Simon Glass <sjg@chromium.org> | |
f1dcee59 SG |
5 | */ |
6 | ||
d678a59d | 7 | #include <common.h> |
f1dcee59 | 8 | #include <errno.h> |
3313ae66 | 9 | #include <fpga.h> |
0c670fc1 | 10 | #include <gzip.h> |
f1dcee59 | 11 | #include <image.h> |
f7ae49fc | 12 | #include <log.h> |
77253c50 | 13 | #include <memalign.h> |
891d9e84 | 14 | #include <mapmem.h> |
f1dcee59 | 15 | #include <spl.h> |
3a8ee3df | 16 | #include <sysinfo.h> |
401d1c4f | 17 | #include <asm/global_data.h> |
b02c4e94 | 18 | #include <asm/io.h> |
ea376ebc | 19 | #include <linux/libfdt.h> |
1e94b46f | 20 | #include <linux/printk.h> |
f1dcee59 | 21 | |
b83edfbd LA |
22 | DECLARE_GLOBAL_DATA_PTR; |
23 | ||
917fa369 AG |
24 | struct spl_fit_info { |
25 | const void *fit; /* Pointer to a valid FIT blob */ | |
26 | size_t ext_data_offset; /* Offset to FIT external data (end of FIT) */ | |
27 | int images_node; /* FDT offset to "/images" node */ | |
9e9aa0b4 | 28 | int conf_node; /* FDT offset to selected configuration node */ |
917fa369 AG |
29 | }; |
30 | ||
e246bfcf YL |
31 | __weak ulong board_spl_fit_size_align(ulong size) |
32 | { | |
33 | return size; | |
34 | } | |
35 | ||
152781d4 JJH |
36 | static int find_node_from_desc(const void *fit, int node, const char *str) |
37 | { | |
38 | int child; | |
39 | ||
40 | if (node < 0) | |
41 | return -EINVAL; | |
42 | ||
43 | /* iterate the FIT nodes and find a matching description */ | |
44 | for (child = fdt_first_subnode(fit, node); child >= 0; | |
45 | child = fdt_next_subnode(fit, child)) { | |
46 | int len; | |
2354daaf | 47 | const char *desc = fdt_getprop(fit, child, FIT_DESC_PROP, &len); |
152781d4 JJH |
48 | |
49 | if (!desc) | |
50 | continue; | |
51 | ||
52 | if (!strcmp(desc, str)) | |
53 | return child; | |
54 | } | |
55 | ||
56 | return -ENOENT; | |
57 | } | |
58 | ||
736806fb | 59 | /** |
a616c783 | 60 | * spl_fit_get_image_name(): By using the matching configuration subnode, |
736806fb AP |
61 | * retrieve the name of an image, specified by a property name and an index |
62 | * into that. | |
63 | * @fit: Pointer to the FDT blob. | |
64 | * @images: Offset of the /images subnode. | |
65 | * @type: Name of the property within the configuration subnode. | |
66 | * @index: Index into the list of strings in this property. | |
a616c783 | 67 | * @outname: Name of the image |
736806fb | 68 | * |
a616c783 | 69 | * Return: 0 on success, or a negative error number |
736806fb | 70 | */ |
3dc20797 | 71 | static int spl_fit_get_image_name(const struct spl_fit_info *ctx, |
a616c783 | 72 | const char *type, int index, |
c1648d05 | 73 | const char **outname) |
4b9340ab | 74 | { |
3a8ee3df | 75 | struct udevice *sysinfo; |
4b9340ab | 76 | const char *name, *str; |
a616c783 | 77 | __maybe_unused int node; |
4b9340ab | 78 | int len, i; |
152781d4 | 79 | bool found = true; |
4b9340ab | 80 | |
9e9aa0b4 | 81 | name = fdt_getprop(ctx->fit, ctx->conf_node, type, &len); |
4b9340ab AP |
82 | if (!name) { |
83 | debug("cannot find property '%s': %d\n", type, len); | |
84 | return -EINVAL; | |
85 | } | |
f1dcee59 | 86 | |
4b9340ab AP |
87 | str = name; |
88 | for (i = 0; i < index; i++) { | |
89 | str = strchr(str, '\0') + 1; | |
90 | if (!str || (str - name >= len)) { | |
152781d4 JJH |
91 | found = false; |
92 | break; | |
4b9340ab | 93 | } |
f1dcee59 SG |
94 | } |
95 | ||
3a8ee3df | 96 | if (!found && CONFIG_IS_ENABLED(SYSINFO) && !sysinfo_get(&sysinfo)) { |
152781d4 JJH |
97 | int rc; |
98 | /* | |
3a8ee3df SG |
99 | * no string in the property for this index. Check if the |
100 | * sysinfo-level code can supply one. | |
152781d4 | 101 | */ |
4d65c6bc SA |
102 | rc = sysinfo_detect(sysinfo); |
103 | if (rc) | |
104 | return rc; | |
105 | ||
3a8ee3df SG |
106 | rc = sysinfo_get_fit_loadable(sysinfo, index - i - 1, type, |
107 | &str); | |
152781d4 JJH |
108 | if (rc && rc != -ENOENT) |
109 | return rc; | |
110 | ||
111 | if (!rc) { | |
112 | /* | |
3a8ee3df | 113 | * The sysinfo provided a name for a loadable. |
152781d4 JJH |
114 | * Try to match it against the description properties |
115 | * first. If no matching node is found, use it as a | |
116 | * node name. | |
117 | */ | |
118 | int node; | |
3dc20797 | 119 | int images = fdt_path_offset(ctx->fit, FIT_IMAGES_PATH); |
152781d4 | 120 | |
3dc20797 | 121 | node = find_node_from_desc(ctx->fit, images, str); |
152781d4 | 122 | if (node > 0) |
3dc20797 | 123 | str = fdt_get_name(ctx->fit, node, NULL); |
152781d4 JJH |
124 | |
125 | found = true; | |
126 | } | |
127 | } | |
128 | ||
129 | if (!found) { | |
130 | debug("no string for index %d\n", index); | |
131 | return -E2BIG; | |
132 | } | |
133 | ||
134 | *outname = str; | |
a616c783 PT |
135 | return 0; |
136 | } | |
137 | ||
138 | /** | |
139 | * spl_fit_get_image_node(): By using the matching configuration subnode, | |
140 | * retrieve the name of an image, specified by a property name and an index | |
141 | * into that. | |
142 | * @fit: Pointer to the FDT blob. | |
143 | * @images: Offset of the /images subnode. | |
144 | * @type: Name of the property within the configuration subnode. | |
145 | * @index: Index into the list of strings in this property. | |
146 | * | |
147 | * Return: the node offset of the respective image node or a negative | |
148 | * error number. | |
149 | */ | |
3dc20797 | 150 | static int spl_fit_get_image_node(const struct spl_fit_info *ctx, |
a616c783 PT |
151 | const char *type, int index) |
152 | { | |
c1648d05 | 153 | const char *str; |
a616c783 PT |
154 | int err; |
155 | int node; | |
156 | ||
3dc20797 | 157 | err = spl_fit_get_image_name(ctx, type, index, &str); |
a616c783 PT |
158 | if (err) |
159 | return err; | |
160 | ||
4b9340ab | 161 | debug("%s: '%s'\n", type, str); |
a616c783 | 162 | |
3dc20797 | 163 | node = fdt_subnode_offset(ctx->fit, ctx->images_node, str); |
4b9340ab | 164 | if (node < 0) { |
19141d69 | 165 | pr_err("cannot find image node '%s': %d\n", str, node); |
4b9340ab | 166 | return -EINVAL; |
f1dcee59 | 167 | } |
f1dcee59 | 168 | |
736806fb | 169 | return node; |
f1dcee59 SG |
170 | } |
171 | ||
eafd5410 LV |
172 | static int get_aligned_image_offset(struct spl_load_info *info, int offset) |
173 | { | |
5271e359 | 174 | return ALIGN_DOWN(offset, spl_get_bl_len(info)); |
eafd5410 LV |
175 | } |
176 | ||
177 | static int get_aligned_image_overhead(struct spl_load_info *info, int offset) | |
178 | { | |
5271e359 | 179 | return offset & (spl_get_bl_len(info) - 1); |
eafd5410 LV |
180 | } |
181 | ||
182 | static int get_aligned_image_size(struct spl_load_info *info, int data_size, | |
183 | int offset) | |
184 | { | |
3cc1f380 LV |
185 | data_size = data_size + get_aligned_image_overhead(info, offset); |
186 | ||
5271e359 | 187 | return ALIGN(data_size, spl_get_bl_len(info)); |
eafd5410 LV |
188 | } |
189 | ||
8baa3818 | 190 | /** |
d7c232e6 | 191 | * load_simple_fit(): load the image described in a certain FIT node |
8baa3818 AP |
192 | * @info: points to information about the device to load data from |
193 | * @sector: the start sector of the FIT image on the device | |
3dc20797 | 194 | * @ctx: points to the FIT context structure |
8baa3818 | 195 | * @node: offset of the DT node describing the image to load (relative |
a616c783 | 196 | * to @fit) |
8baa3818 | 197 | * @image_info: will be filled with information about the loaded image |
a616c783 PT |
198 | * If the FIT node does not contain a "load" (address) property, |
199 | * the image gets loaded to the address pointed to by the | |
f0a6ec36 | 200 | * load_addr member in this struct, if load_addr is not 0 |
8baa3818 AP |
201 | * |
202 | * Return: 0 on success or a negative error number. | |
203 | */ | |
73c40fcb | 204 | static int load_simple_fit(struct spl_load_info *info, ulong fit_offset, |
d7c232e6 SG |
205 | const struct spl_fit_info *ctx, int node, |
206 | struct spl_image_info *image_info) | |
8baa3818 | 207 | { |
3313ae66 | 208 | int offset; |
8baa3818 | 209 | size_t length; |
5fd13d97 | 210 | int len; |
933f67aa | 211 | ulong size; |
891d9e84 SG |
212 | ulong load_addr; |
213 | void *load_ptr; | |
8baa3818 AP |
214 | void *src; |
215 | ulong overhead; | |
7264f292 | 216 | uint8_t image_comp = -1, type = -1; |
5fd13d97 | 217 | const void *data; |
3dc20797 | 218 | const void *fit = ctx->fit; |
a1be94b6 | 219 | bool external_data = false; |
7264f292 | 220 | |
29bd8ada | 221 | if (IS_ENABLED(CONFIG_SPL_FPGA) || |
ce6ab564 | 222 | (IS_ENABLED(CONFIG_SPL_OS_BOOT) && spl_decompression_enabled())) { |
56419ea5 MV |
223 | if (fit_image_get_type(fit, node, &type)) |
224 | puts("Cannot get image type.\n"); | |
225 | else | |
226 | debug("%s ", genimg_get_type_name(type)); | |
227 | } | |
228 | ||
ce6ab564 | 229 | if (spl_decompression_enabled()) { |
602ce1d1 KS |
230 | fit_image_get_comp(fit, node, &image_comp); |
231 | debug("%s ", genimg_get_comp_name(image_comp)); | |
7264f292 | 232 | } |
8baa3818 | 233 | |
f0a6ec36 AG |
234 | if (fit_image_get_load(fit, node, &load_addr)) { |
235 | if (!image_info->load_addr) { | |
236 | printf("Can't load %s: No load address and no buffer\n", | |
237 | fit_get_name(fit, node, NULL)); | |
238 | return -ENOBUFS; | |
239 | } | |
8baa3818 | 240 | load_addr = image_info->load_addr; |
f0a6ec36 | 241 | } |
8baa3818 | 242 | |
a1be94b6 PF |
243 | if (!fit_image_get_data_position(fit, node, &offset)) { |
244 | external_data = true; | |
245 | } else if (!fit_image_get_data_offset(fit, node, &offset)) { | |
3dc20797 | 246 | offset += ctx->ext_data_offset; |
a1be94b6 PF |
247 | external_data = true; |
248 | } | |
249 | ||
250 | if (external_data) { | |
891d9e84 SG |
251 | void *src_ptr; |
252 | ||
a1be94b6 | 253 | /* External data */ |
5fd13d97 YS |
254 | if (fit_image_get_data_size(fit, node, &len)) |
255 | return -ENOENT; | |
256 | ||
6d99f866 NM |
257 | /* Dont bother to copy 0 byte data, but warn, though */ |
258 | if (!len) { | |
259 | log_warning("%s: Skip load '%s': image size is 0!\n", | |
260 | __func__, fit_get_name(fit, node, NULL)); | |
261 | return 0; | |
262 | } | |
263 | ||
a1b7fd7f MS |
264 | if (spl_decompression_enabled() && |
265 | (image_comp == IH_COMP_GZIP || image_comp == IH_COMP_LZMA)) | |
ce6ab564 MS |
266 | src_ptr = map_sysmem(ALIGN(CONFIG_SYS_LOAD_ADDR, ARCH_DMA_MINALIGN), len); |
267 | else | |
268 | src_ptr = map_sysmem(ALIGN(load_addr, ARCH_DMA_MINALIGN), len); | |
5fd13d97 YS |
269 | length = len; |
270 | ||
271 | overhead = get_aligned_image_overhead(info, offset); | |
73c40fcb | 272 | size = get_aligned_image_size(info, length, offset); |
5fd13d97 | 273 | |
3313ae66 | 274 | if (info->read(info, |
73c40fcb SA |
275 | fit_offset + |
276 | get_aligned_image_offset(info, offset), size, | |
b63664be | 277 | src_ptr) < length) |
5fd13d97 YS |
278 | return -EIO; |
279 | ||
891d9e84 SG |
280 | debug("External data: dst=%p, offset=%x, size=%lx\n", |
281 | src_ptr, offset, (unsigned long)length); | |
282 | src = src_ptr + overhead; | |
5fd13d97 YS |
283 | } else { |
284 | /* Embedded data */ | |
285 | if (fit_image_get_data(fit, node, &data, &length)) { | |
286 | puts("Cannot get image data/size\n"); | |
287 | return -ENOENT; | |
288 | } | |
289 | debug("Embedded data: dst=%lx, size=%lx\n", load_addr, | |
290 | (unsigned long)length); | |
891d9e84 | 291 | src = (void *)data; /* cast away const */ |
5fd13d97 | 292 | } |
8baa3818 | 293 | |
aeedeae4 AG |
294 | if (CONFIG_IS_ENABLED(FIT_SIGNATURE)) { |
295 | printf("## Checking hash(es) for Image %s ... ", | |
296 | fit_get_name(fit, node, NULL)); | |
99f844ba SG |
297 | if (!fit_image_verify_with_data(fit, node, gd_fdt_blob(), src, |
298 | length)) | |
aeedeae4 AG |
299 | return -EPERM; |
300 | puts("OK\n"); | |
301 | } | |
d154ca60 | 302 | |
aeedeae4 | 303 | if (CONFIG_IS_ENABLED(FIT_IMAGE_POST_PROCESS)) |
481d394e | 304 | board_fit_image_post_process(fit, node, &src, &length); |
8baa3818 | 305 | |
891d9e84 | 306 | load_ptr = map_sysmem(load_addr, length); |
975e7893 | 307 | if (IS_ENABLED(CONFIG_SPL_GZIP) && image_comp == IH_COMP_GZIP) { |
933f67aa | 308 | size = length; |
891d9e84 | 309 | if (gunzip(load_ptr, CONFIG_SYS_BOOTM_LEN, src, &size)) { |
7264f292 YS |
310 | puts("Uncompressing error\n"); |
311 | return -EIO; | |
312 | } | |
933f67aa | 313 | length = size; |
a1b7fd7f MS |
314 | } else if (IS_ENABLED(CONFIG_SPL_LZMA) && image_comp == IH_COMP_LZMA) { |
315 | size = CONFIG_SYS_BOOTM_LEN; | |
316 | ulong loadEnd; | |
317 | ||
318 | if (image_decomp(IH_COMP_LZMA, CONFIG_SYS_LOAD_ADDR, 0, 0, | |
319 | load_ptr, src, length, size, &loadEnd)) { | |
320 | puts("Uncompressing error\n"); | |
321 | return -EIO; | |
322 | } | |
323 | length = loadEnd - CONFIG_SYS_LOAD_ADDR; | |
7264f292 | 324 | } else { |
891d9e84 | 325 | memcpy(load_ptr, src, length); |
7264f292 | 326 | } |
8baa3818 AP |
327 | |
328 | if (image_info) { | |
caa7fc2c MS |
329 | ulong entry_point; |
330 | ||
8baa3818 AP |
331 | image_info->load_addr = load_addr; |
332 | image_info->size = length; | |
caa7fc2c MS |
333 | |
334 | if (!fit_image_get_entry(fit, node, &entry_point)) | |
335 | image_info->entry_point = entry_point; | |
336 | else | |
337 | image_info->entry_point = FDT_ERROR; | |
8baa3818 AP |
338 | } |
339 | ||
340 | return 0; | |
341 | } | |
342 | ||
71551055 AG |
343 | static bool os_takes_devicetree(uint8_t os) |
344 | { | |
345 | switch (os) { | |
346 | case IH_OS_U_BOOT: | |
347 | return true; | |
348 | case IH_OS_LINUX: | |
58fa2a5a R |
349 | return IS_ENABLED(CONFIG_SPL_OS_BOOT) || |
350 | IS_ENABLED(CONFIG_SPL_OPENSBI); | |
71551055 AG |
351 | default: |
352 | return false; | |
353 | } | |
354 | } | |
355 | ||
b13eaf3b MV |
356 | __weak int board_spl_fit_append_fdt_skip(const char *name) |
357 | { | |
358 | return 0; /* Do not skip */ | |
359 | } | |
360 | ||
d879616e | 361 | static int spl_fit_append_fdt(struct spl_image_info *spl_image, |
73c40fcb | 362 | struct spl_load_info *info, ulong offset, |
3dc20797 | 363 | const struct spl_fit_info *ctx) |
d879616e PT |
364 | { |
365 | struct spl_image_info image_info; | |
9d13b872 | 366 | int node, ret = 0, index = 0; |
b83edfbd LA |
367 | |
368 | /* | |
369 | * Use the address following the image as target address for the | |
5675ed7c | 370 | * device tree. |
b83edfbd | 371 | */ |
5675ed7c | 372 | image_info.load_addr = spl_image->load_addr + spl_image->size; |
d879616e PT |
373 | |
374 | /* Figure out which device tree the board wants to use */ | |
3dc20797 | 375 | node = spl_fit_get_image_node(ctx, FIT_FDT_PROP, index++); |
d879616e | 376 | if (node < 0) { |
b02c4e94 SA |
377 | size_t size; |
378 | ||
d879616e | 379 | debug("%s: cannot find FDT node\n", __func__); |
d879616e | 380 | |
b83edfbd LA |
381 | /* |
382 | * U-Boot did not find a device tree inside the FIT image. Use | |
383 | * the U-Boot device tree instead. | |
384 | */ | |
b02c4e94 | 385 | if (!gd->fdt_blob) |
b83edfbd | 386 | return node; |
b02c4e94 SA |
387 | |
388 | /* | |
389 | * Make the load-address of the FDT available for the SPL | |
390 | * framework | |
391 | */ | |
392 | size = fdt_totalsize(gd->fdt_blob); | |
393 | spl_image->fdt_addr = map_sysmem(image_info.load_addr, size); | |
394 | memcpy(spl_image->fdt_addr, gd->fdt_blob, size); | |
b83edfbd | 395 | } else { |
73c40fcb | 396 | ret = load_simple_fit(info, offset, ctx, node, &image_info); |
b83edfbd LA |
397 | if (ret < 0) |
398 | return ret; | |
b02c4e94 SA |
399 | |
400 | spl_image->fdt_addr = phys_to_virt(image_info.load_addr); | |
b83edfbd | 401 | } |
a616c783 | 402 | |
aeedeae4 AG |
403 | if (CONFIG_IS_ENABLED(FIT_IMAGE_TINY)) |
404 | return 0; | |
405 | ||
a3fda0d3 | 406 | #if CONFIG_IS_ENABLED(LOAD_FIT_APPLY_OVERLAY) |
ea376ebc JJH |
407 | void *tmpbuffer = NULL; |
408 | ||
9d13b872 | 409 | for (; ; index++) { |
b13eaf3b MV |
410 | const char *str; |
411 | ||
412 | ret = spl_fit_get_image_name(ctx, FIT_FDT_PROP, index, &str); | |
413 | if (ret == -E2BIG) { | |
9d13b872 | 414 | debug("%s: No additional FDT node\n", __func__); |
b13eaf3b | 415 | ret = 0; |
ea376ebc | 416 | break; |
b13eaf3b MV |
417 | } else if (ret < 0) { |
418 | continue; | |
419 | } | |
420 | ||
421 | ret = board_spl_fit_append_fdt_skip(str); | |
422 | if (ret) | |
423 | continue; | |
424 | ||
425 | node = fdt_subnode_offset(ctx->fit, ctx->images_node, str); | |
426 | if (node < 0) { | |
24bf44cf JJH |
427 | debug("%s: unable to find FDT node %d\n", |
428 | __func__, index); | |
429 | continue; | |
9d13b872 MS |
430 | } |
431 | ||
ea376ebc JJH |
432 | if (!tmpbuffer) { |
433 | /* | |
434 | * allocate memory to store the DT overlay | |
435 | * before it is applied. It may not be used | |
436 | * depending on how the overlay is stored, so | |
437 | * don't fail yet if the allocation failed. | |
438 | */ | |
77253c50 SH |
439 | size_t size = CONFIG_SPL_LOAD_FIT_APPLY_OVERLAY_BUF_SZ; |
440 | ||
441 | tmpbuffer = malloc_cache_aligned(size); | |
ea376ebc JJH |
442 | if (!tmpbuffer) |
443 | debug("%s: unable to allocate space for overlays\n", | |
444 | __func__); | |
445 | } | |
446 | image_info.load_addr = (ulong)tmpbuffer; | |
73c40fcb | 447 | ret = load_simple_fit(info, offset, ctx, node, |
d7c232e6 | 448 | &image_info); |
9d13b872 | 449 | if (ret < 0) |
ea376ebc | 450 | break; |
9d13b872 | 451 | |
99329be2 JJH |
452 | /* Make room in FDT for changes from the overlay */ |
453 | ret = fdt_increase_size(spl_image->fdt_addr, | |
454 | image_info.size); | |
455 | if (ret < 0) | |
ea376ebc | 456 | break; |
99329be2 | 457 | |
9d13b872 MS |
458 | ret = fdt_overlay_apply_verbose(spl_image->fdt_addr, |
459 | (void *)image_info.load_addr); | |
19141d69 JJH |
460 | if (ret) { |
461 | pr_err("failed to apply DT overlay %s\n", | |
3dc20797 | 462 | fit_get_name(ctx->fit, node, NULL)); |
ea376ebc | 463 | break; |
19141d69 | 464 | } |
9d13b872 MS |
465 | |
466 | debug("%s: DT overlay %s applied\n", __func__, | |
3dc20797 | 467 | fit_get_name(ctx->fit, node, NULL)); |
9d13b872 | 468 | } |
077e72c6 | 469 | free(tmpbuffer); |
ea376ebc JJH |
470 | if (ret) |
471 | return ret; | |
a3fda0d3 | 472 | #endif |
99329be2 JJH |
473 | /* Try to make space, so we can inject details on the loadables */ |
474 | ret = fdt_shrink_to_minimum(spl_image->fdt_addr, 8192); | |
475 | if (ret < 0) | |
476 | return ret; | |
99329be2 | 477 | |
a616c783 PT |
478 | return ret; |
479 | } | |
480 | ||
3dc20797 | 481 | static int spl_fit_record_loadable(const struct spl_fit_info *ctx, int index, |
a616c783 PT |
482 | void *blob, struct spl_image_info *image) |
483 | { | |
337bbb62 | 484 | int ret = 0; |
c1648d05 | 485 | const char *name; |
337bbb62 | 486 | int node; |
a616c783 | 487 | |
aeedeae4 AG |
488 | if (CONFIG_IS_ENABLED(FIT_IMAGE_TINY)) |
489 | return 0; | |
490 | ||
3dc20797 | 491 | ret = spl_fit_get_image_name(ctx, "loadables", index, &name); |
a616c783 PT |
492 | if (ret < 0) |
493 | return ret; | |
494 | ||
3dc20797 | 495 | node = spl_fit_get_image_node(ctx, "loadables", index); |
a616c783 PT |
496 | |
497 | ret = fdt_record_loadable(blob, index, name, image->load_addr, | |
2354daaf SG |
498 | image->size, image->entry_point, |
499 | fdt_getprop(ctx->fit, node, FIT_TYPE_PROP, NULL), | |
500 | fdt_getprop(ctx->fit, node, FIT_OS_PROP, NULL), | |
501 | fdt_getprop(ctx->fit, node, FIT_ARCH_PROP, NULL)); | |
502 | ||
d879616e PT |
503 | return ret; |
504 | } | |
505 | ||
35f4f8e6 AG |
506 | static int spl_fit_image_is_fpga(const void *fit, int node) |
507 | { | |
508 | const char *type; | |
509 | ||
510 | if (!IS_ENABLED(CONFIG_SPL_FPGA)) | |
511 | return 0; | |
512 | ||
513 | type = fdt_getprop(fit, node, FIT_TYPE_PROP, NULL); | |
514 | if (!type) | |
515 | return 0; | |
516 | ||
517 | return !strcmp(type, "fpga"); | |
518 | } | |
519 | ||
337bbb62 PT |
520 | static int spl_fit_image_get_os(const void *fit, int noffset, uint8_t *os) |
521 | { | |
aeedeae4 AG |
522 | if (!CONFIG_IS_ENABLED(FIT_IMAGE_TINY) || CONFIG_IS_ENABLED(OS_BOOT)) |
523 | return fit_image_get_os(fit, noffset, os); | |
cf70553e | 524 | |
aeedeae4 | 525 | const char *name = fdt_getprop(fit, noffset, FIT_OS_PROP, NULL); |
cf70553e SH |
526 | if (!name) |
527 | return -ENOENT; | |
528 | ||
529 | /* | |
530 | * We don't care what the type of the image actually is, | |
531 | * only whether or not it is U-Boot. This saves some | |
532 | * space by omitting the large table of OS types. | |
533 | */ | |
534 | if (!strcmp(name, "u-boot")) | |
535 | *os = IH_OS_U_BOOT; | |
536 | else | |
537 | *os = IH_OS_INVALID; | |
538 | ||
539 | return 0; | |
337bbb62 PT |
540 | } |
541 | ||
03f1f78a AG |
542 | /* |
543 | * The purpose of the FIT load buffer is to provide a memory location that is | |
544 | * independent of the load address of any FIT component. | |
545 | */ | |
546 | static void *spl_get_fit_load_buffer(size_t size) | |
547 | { | |
548 | void *buf; | |
549 | ||
77253c50 | 550 | buf = malloc_cache_aligned(size); |
03f1f78a AG |
551 | if (!buf) { |
552 | pr_err("Could not get FIT buffer of %lu bytes\n", (ulong)size); | |
aeda4ccf LYCL |
553 | |
554 | if (IS_ENABLED(CONFIG_SPL_SYS_MALLOC)) | |
555 | pr_err("\tcheck CONFIG_SPL_SYS_MALLOC_SIZE\n"); | |
556 | else | |
557 | pr_err("\tcheck CONFIG_SPL_SYS_MALLOC_F_LEN\n"); | |
558 | ||
03f1f78a AG |
559 | buf = spl_get_load_buffer(0, size); |
560 | } | |
561 | return buf; | |
562 | } | |
563 | ||
deb80ec0 HS |
564 | __weak void *board_spl_fit_buffer_addr(ulong fit_size, int sectors, int bl_len) |
565 | { | |
566 | return spl_get_fit_load_buffer(sectors * bl_len); | |
567 | } | |
568 | ||
e1eb6ada AD |
569 | /* |
570 | * Weak default function to allow customizing SPL fit loading for load-only | |
571 | * use cases by allowing to skip the parsing/processing of the FIT contents | |
572 | * (so that this can be done separately in a more customized fashion) | |
573 | */ | |
574 | __weak bool spl_load_simple_fit_skip_processing(void) | |
575 | { | |
576 | return false; | |
577 | } | |
578 | ||
884ba50a HS |
579 | /* |
580 | * Weak default function to allow fixes after fit header | |
581 | * is loaded. | |
582 | */ | |
583 | __weak void *spl_load_simple_fit_fix_load(const void *fit) | |
584 | { | |
585 | return (void *)fit; | |
586 | } | |
587 | ||
d8a39510 AG |
588 | static void warn_deprecated(const char *msg) |
589 | { | |
590 | printf("DEPRECATED: %s\n", msg); | |
591 | printf("\tSee doc/uImage.FIT/source_file_format.txt\n"); | |
592 | } | |
593 | ||
55e7a1a4 AG |
594 | static int spl_fit_upload_fpga(struct spl_fit_info *ctx, int node, |
595 | struct spl_image_info *fpga_image) | |
596 | { | |
35f4f8e6 | 597 | const char *compatible; |
55e7a1a4 | 598 | int ret; |
282eed50 OS |
599 | int devnum = 0; |
600 | int flags = 0; | |
55e7a1a4 AG |
601 | |
602 | debug("FPGA bitstream at: %x, size: %x\n", | |
603 | (u32)fpga_image->load_addr, fpga_image->size); | |
604 | ||
35f4f8e6 | 605 | compatible = fdt_getprop(ctx->fit, node, "compatible", NULL); |
71f1a539 | 606 | if (!compatible) { |
35f4f8e6 | 607 | warn_deprecated("'fpga' image without 'compatible' property"); |
71f1a539 OS |
608 | } else { |
609 | if (CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)) | |
610 | flags = fpga_compatible2flag(devnum, compatible); | |
611 | if (strcmp(compatible, "u-boot,fpga-legacy")) | |
612 | debug("Ignoring compatible = %s property\n", | |
613 | compatible); | |
614 | } | |
35f4f8e6 | 615 | |
282eed50 OS |
616 | ret = fpga_load(devnum, (void *)fpga_image->load_addr, |
617 | fpga_image->size, BIT_FULL, flags); | |
55e7a1a4 AG |
618 | if (ret) { |
619 | printf("%s: Cannot load the image to the FPGA\n", __func__); | |
620 | return ret; | |
621 | } | |
622 | ||
623 | puts("FPGA image loaded from FIT\n"); | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
628 | static int spl_fit_load_fpga(struct spl_fit_info *ctx, | |
73c40fcb | 629 | struct spl_load_info *info, ulong offset) |
55e7a1a4 AG |
630 | { |
631 | int node, ret; | |
632 | ||
633 | struct spl_image_info fpga_image = { | |
634 | .load_addr = 0, | |
635 | }; | |
636 | ||
637 | node = spl_fit_get_image_node(ctx, "fpga", 0); | |
638 | if (node < 0) | |
639 | return node; | |
640 | ||
d8a39510 AG |
641 | warn_deprecated("'fpga' property in config node. Use 'loadables'"); |
642 | ||
55e7a1a4 | 643 | /* Load the image and set up the fpga_image structure */ |
73c40fcb | 644 | ret = load_simple_fit(info, offset, ctx, node, &fpga_image); |
55e7a1a4 AG |
645 | if (ret) { |
646 | printf("%s: Cannot load the FPGA: %i\n", __func__, ret); | |
647 | return ret; | |
648 | } | |
649 | ||
650 | return spl_fit_upload_fpga(ctx, node, &fpga_image); | |
651 | } | |
652 | ||
917fa369 | 653 | static int spl_simple_fit_read(struct spl_fit_info *ctx, |
73c40fcb | 654 | struct spl_load_info *info, ulong offset, |
917fa369 | 655 | const void *fit_header) |
f1dcee59 | 656 | { |
917fa369 | 657 | unsigned long count, size; |
917fa369 | 658 | void *buf; |
f1dcee59 SG |
659 | |
660 | /* | |
c8bc3c0c YS |
661 | * For FIT with external data, figure out where the external images |
662 | * start. This is the base for the data-offset properties in each | |
663 | * image. | |
f1dcee59 | 664 | */ |
917fa369 | 665 | size = ALIGN(fdt_totalsize(fit_header), 4); |
e246bfcf | 666 | size = board_spl_fit_size_align(size); |
917fa369 | 667 | ctx->ext_data_offset = ALIGN(size, 4); |
f1dcee59 SG |
668 | |
669 | /* | |
670 | * So far we only have one block of data from the FIT. Read the entire | |
03f1f78a | 671 | * thing, including that first block. |
c8bc3c0c YS |
672 | * |
673 | * For FIT with data embedded, data is loaded as part of FIT image. | |
674 | * For FIT with external data, data is not loaded in this step. | |
f1dcee59 | 675 | */ |
73c40fcb SA |
676 | size = get_aligned_image_size(info, size, 0); |
677 | buf = board_spl_fit_buffer_addr(size, size, 1); | |
e246bfcf | 678 | |
73c40fcb | 679 | count = info->read(info, offset, size, buf); |
917fa369 | 680 | ctx->fit = buf; |
73c40fcb SA |
681 | debug("fit read offset %lx, size=%lu, dst=%p, count=%lu\n", |
682 | offset, size, buf, count); | |
f1dcee59 | 683 | |
917fa369 AG |
684 | return (count == 0) ? -EIO : 0; |
685 | } | |
e1eb6ada | 686 | |
917fa369 AG |
687 | static int spl_simple_fit_parse(struct spl_fit_info *ctx) |
688 | { | |
9e9aa0b4 AG |
689 | /* Find the correct subnode under "/configurations" */ |
690 | ctx->conf_node = fit_find_config_node(ctx->fit); | |
691 | if (ctx->conf_node < 0) | |
692 | return -EINVAL; | |
7d5b1bf6 | 693 | |
9e9aa0b4 | 694 | if (IS_ENABLED(CONFIG_SPL_FIT_SIGNATURE)) { |
7d5b1bf6 | 695 | printf("## Checking hash(es) for config %s ... ", |
9e9aa0b4 AG |
696 | fit_get_name(ctx->fit, ctx->conf_node, NULL)); |
697 | if (fit_config_verify(ctx->fit, ctx->conf_node)) | |
7d5b1bf6 PR |
698 | return -EPERM; |
699 | puts("OK\n"); | |
700 | } | |
701 | ||
736806fb | 702 | /* find the node holding the images information */ |
917fa369 AG |
703 | ctx->images_node = fdt_path_offset(ctx->fit, FIT_IMAGES_PATH); |
704 | if (ctx->images_node < 0) { | |
705 | debug("%s: Cannot find /images node: %d\n", __func__, | |
706 | ctx->images_node); | |
707 | return -EINVAL; | |
f1dcee59 | 708 | } |
736806fb | 709 | |
917fa369 AG |
710 | return 0; |
711 | } | |
712 | ||
713 | int spl_load_simple_fit(struct spl_image_info *spl_image, | |
73c40fcb | 714 | struct spl_load_info *info, ulong offset, void *fit) |
917fa369 AG |
715 | { |
716 | struct spl_image_info image_info; | |
717 | struct spl_fit_info ctx; | |
718 | int node = -1; | |
3dc20797 | 719 | int ret; |
917fa369 AG |
720 | int index = 0; |
721 | int firmware_node; | |
722 | ||
73c40fcb | 723 | ret = spl_simple_fit_read(&ctx, info, offset, fit); |
917fa369 AG |
724 | if (ret < 0) |
725 | return ret; | |
726 | ||
727 | /* skip further processing if requested to enable load-only use cases */ | |
728 | if (spl_load_simple_fit_skip_processing()) | |
729 | return 0; | |
730 | ||
884ba50a HS |
731 | ctx.fit = spl_load_simple_fit_fix_load(ctx.fit); |
732 | ||
917fa369 AG |
733 | ret = spl_simple_fit_parse(&ctx); |
734 | if (ret < 0) | |
735 | return ret; | |
736 | ||
55e7a1a4 | 737 | if (IS_ENABLED(CONFIG_SPL_FPGA)) |
73c40fcb | 738 | spl_fit_load_fpga(&ctx, info, offset); |
26a64223 | 739 | |
d879616e PT |
740 | /* |
741 | * Find the U-Boot image using the following search order: | |
742 | * - start at 'firmware' (e.g. an ARM Trusted Firmware) | |
743 | * - fall back 'kernel' (e.g. a Falcon-mode OS boot | |
744 | * - fall back to using the first 'loadables' entry | |
745 | */ | |
746 | if (node < 0) | |
3dc20797 | 747 | node = spl_fit_get_image_node(&ctx, FIT_FIRMWARE_PROP, 0); |
aeedeae4 AG |
748 | |
749 | if (node < 0 && IS_ENABLED(CONFIG_SPL_OS_BOOT)) | |
3dc20797 | 750 | node = spl_fit_get_image_node(&ctx, FIT_KERNEL_PROP, 0); |
aeedeae4 | 751 | |
f1dcee59 | 752 | if (node < 0) { |
736806fb | 753 | debug("could not find firmware image, trying loadables...\n"); |
3dc20797 | 754 | node = spl_fit_get_image_node(&ctx, "loadables", 0); |
411cf32d AP |
755 | /* |
756 | * If we pick the U-Boot image from "loadables", start at | |
757 | * the second image when later loading additional images. | |
758 | */ | |
759 | index = 1; | |
736806fb AP |
760 | } |
761 | if (node < 0) { | |
762 | debug("%s: Cannot find u-boot image node: %d\n", | |
763 | __func__, node); | |
f1dcee59 SG |
764 | return -1; |
765 | } | |
766 | ||
8baa3818 | 767 | /* Load the image and set up the spl_image structure */ |
73c40fcb | 768 | ret = load_simple_fit(info, offset, &ctx, node, spl_image); |
8baa3818 AP |
769 | if (ret) |
770 | return ret; | |
da74d1f3 | 771 | |
d879616e PT |
772 | /* |
773 | * For backward compatibility, we treat the first node that is | |
774 | * as a U-Boot image, if no OS-type has been declared. | |
775 | */ | |
3dc20797 | 776 | if (!spl_fit_image_get_os(ctx.fit, node, &spl_image->os)) |
c8bc3c0c | 777 | debug("Image OS is %s\n", genimg_get_os_name(spl_image->os)); |
aeedeae4 | 778 | else if (!IS_ENABLED(CONFIG_SPL_OS_BOOT)) |
d879616e | 779 | spl_image->os = IH_OS_U_BOOT; |
f1dcee59 | 780 | |
d879616e PT |
781 | /* |
782 | * Booting a next-stage U-Boot may require us to append the FDT. | |
783 | * We allow this to fail, as the U-Boot image might embed its FDT. | |
784 | */ | |
71551055 | 785 | if (os_takes_devicetree(spl_image->os)) { |
73c40fcb | 786 | ret = spl_fit_append_fdt(spl_image, info, offset, &ctx); |
71551055 | 787 | if (ret < 0 && spl_image->os != IH_OS_U_BOOT) |
585b468a DB |
788 | return ret; |
789 | } | |
411cf32d | 790 | |
6b8b98d5 | 791 | firmware_node = node; |
411cf32d AP |
792 | /* Now check if there are more images for us to load */ |
793 | for (; ; index++) { | |
d879616e PT |
794 | uint8_t os_type = IH_OS_INVALID; |
795 | ||
3dc20797 | 796 | node = spl_fit_get_image_node(&ctx, "loadables", index); |
411cf32d AP |
797 | if (node < 0) |
798 | break; | |
799 | ||
6b8b98d5 JJH |
800 | /* |
801 | * if the firmware is also a loadable, skip it because | |
802 | * it already has been loaded. This is typically the case with | |
803 | * u-boot.img generated by mkimage. | |
804 | */ | |
805 | if (firmware_node == node) | |
806 | continue; | |
807 | ||
f0a6ec36 | 808 | image_info.load_addr = 0; |
73c40fcb | 809 | ret = load_simple_fit(info, offset, &ctx, node, &image_info); |
c61b2bf3 PR |
810 | if (ret < 0) { |
811 | printf("%s: can't load image loadables index %d (ret = %d)\n", | |
812 | __func__, index, ret); | |
813 | return ret; | |
814 | } | |
411cf32d | 815 | |
35f4f8e6 AG |
816 | if (spl_fit_image_is_fpga(ctx.fit, node)) |
817 | spl_fit_upload_fpga(&ctx, node, &image_info); | |
818 | ||
3dc20797 | 819 | if (!spl_fit_image_get_os(ctx.fit, node, &os_type)) |
d879616e PT |
820 | debug("Loadable is %s\n", genimg_get_os_name(os_type)); |
821 | ||
71551055 | 822 | if (os_takes_devicetree(os_type)) { |
73c40fcb | 823 | spl_fit_append_fdt(&image_info, info, offset, &ctx); |
a616c783 PT |
824 | spl_image->fdt_addr = image_info.fdt_addr; |
825 | } | |
d879616e | 826 | |
411cf32d AP |
827 | /* |
828 | * If the "firmware" image did not provide an entry point, | |
829 | * use the first valid entry point from the loadables. | |
830 | */ | |
831 | if (spl_image->entry_point == FDT_ERROR && | |
832 | image_info.entry_point != FDT_ERROR) | |
833 | spl_image->entry_point = image_info.entry_point; | |
a616c783 PT |
834 | |
835 | /* Record our loadables into the FDT */ | |
836 | if (spl_image->fdt_addr) | |
3dc20797 | 837 | spl_fit_record_loadable(&ctx, index, |
a616c783 PT |
838 | spl_image->fdt_addr, |
839 | &image_info); | |
411cf32d AP |
840 | } |
841 | ||
842 | /* | |
6ab77bb1 | 843 | * If a platform does not provide CONFIG_SYS_UBOOT_START, U-Boot's |
411cf32d AP |
844 | * Makefile will set it to 0 and it will end up as the entry point |
845 | * here. What it actually means is: use the load address. | |
846 | */ | |
847 | if (spl_image->entry_point == FDT_ERROR || spl_image->entry_point == 0) | |
848 | spl_image->entry_point = spl_image->load_addr; | |
849 | ||
e246bfcf YL |
850 | spl_image->flags |= SPL_FIT_FOUND; |
851 | ||
411cf32d | 852 | return 0; |
f1dcee59 | 853 | } |
035ab46e SG |
854 | |
855 | /* Parse and load full fitImage in SPL */ | |
856 | int spl_load_fit_image(struct spl_image_info *spl_image, | |
857 | const struct legacy_img_hdr *header) | |
858 | { | |
859 | struct bootm_headers images; | |
860 | const char *fit_uname_config = NULL; | |
861 | uintptr_t fdt_hack; | |
862 | const char *uname; | |
863 | ulong fw_data = 0, dt_data = 0, img_data = 0; | |
864 | ulong fw_len = 0, dt_len = 0, img_len = 0; | |
865 | int idx, conf_noffset; | |
866 | int ret; | |
867 | ||
868 | #ifdef CONFIG_SPL_FIT_SIGNATURE | |
869 | images.verify = 1; | |
870 | #endif | |
b02c4e94 | 871 | ret = fit_image_load(&images, virt_to_phys((void *)header), |
035ab46e SG |
872 | NULL, &fit_uname_config, |
873 | IH_ARCH_DEFAULT, IH_TYPE_STANDALONE, -1, | |
874 | FIT_LOAD_OPTIONAL, &fw_data, &fw_len); | |
875 | if (ret >= 0) { | |
876 | printf("DEPRECATED: 'standalone = ' property."); | |
877 | printf("Please use either 'firmware =' or 'kernel ='\n"); | |
878 | } else { | |
b02c4e94 SA |
879 | ret = fit_image_load(&images, virt_to_phys((void *)header), |
880 | NULL, &fit_uname_config, IH_ARCH_DEFAULT, | |
035ab46e SG |
881 | IH_TYPE_FIRMWARE, -1, FIT_LOAD_OPTIONAL, |
882 | &fw_data, &fw_len); | |
883 | } | |
884 | ||
885 | if (ret < 0) { | |
b02c4e94 SA |
886 | ret = fit_image_load(&images, virt_to_phys((void *)header), |
887 | NULL, &fit_uname_config, IH_ARCH_DEFAULT, | |
035ab46e SG |
888 | IH_TYPE_KERNEL, -1, FIT_LOAD_OPTIONAL, |
889 | &fw_data, &fw_len); | |
890 | } | |
891 | ||
892 | if (ret < 0) | |
893 | return ret; | |
894 | ||
895 | spl_image->size = fw_len; | |
035ab46e | 896 | spl_image->load_addr = fw_data; |
52644132 SA |
897 | if (fit_image_get_entry(header, ret, &spl_image->entry_point)) |
898 | spl_image->entry_point = fw_data; | |
035ab46e SG |
899 | if (fit_image_get_os(header, ret, &spl_image->os)) |
900 | spl_image->os = IH_OS_INVALID; | |
901 | spl_image->name = genimg_get_os_name(spl_image->os); | |
902 | ||
903 | debug(SPL_TPL_PROMPT "payload image: %32s load addr: 0x%lx size: %d\n", | |
904 | spl_image->name, spl_image->load_addr, spl_image->size); | |
905 | ||
906 | #ifdef CONFIG_SPL_FIT_SIGNATURE | |
907 | images.verify = 1; | |
908 | #endif | |
b02c4e94 SA |
909 | ret = fit_image_load(&images, virt_to_phys((void *)header), NULL, |
910 | &fit_uname_config, IH_ARCH_DEFAULT, IH_TYPE_FLATDT, | |
911 | -1, FIT_LOAD_OPTIONAL, &dt_data, &dt_len); | |
035ab46e SG |
912 | if (ret >= 0) { |
913 | spl_image->fdt_addr = (void *)dt_data; | |
914 | ||
915 | if (spl_image->os == IH_OS_U_BOOT) { | |
916 | /* HACK: U-Boot expects FDT at a specific address */ | |
917 | fdt_hack = spl_image->load_addr + spl_image->size; | |
918 | fdt_hack = (fdt_hack + 3) & ~3; | |
919 | debug("Relocating FDT to %p\n", spl_image->fdt_addr); | |
920 | memcpy((void *)fdt_hack, spl_image->fdt_addr, dt_len); | |
921 | } | |
922 | } | |
923 | ||
924 | conf_noffset = fit_conf_get_node((const void *)header, | |
925 | fit_uname_config); | |
926 | if (conf_noffset < 0) | |
927 | return 0; | |
928 | ||
929 | for (idx = 0; | |
930 | uname = fdt_stringlist_get((const void *)header, conf_noffset, | |
931 | FIT_LOADABLE_PROP, idx, | |
932 | NULL), uname; | |
933 | idx++) { | |
934 | #ifdef CONFIG_SPL_FIT_SIGNATURE | |
935 | images.verify = 1; | |
936 | #endif | |
937 | ret = fit_image_load(&images, (ulong)header, | |
938 | &uname, &fit_uname_config, | |
939 | IH_ARCH_DEFAULT, IH_TYPE_LOADABLE, -1, | |
940 | FIT_LOAD_OPTIONAL_NON_ZERO, | |
941 | &img_data, &img_len); | |
942 | if (ret < 0) | |
943 | return ret; | |
944 | } | |
945 | ||
946 | return 0; | |
947 | } |