]>
Commit | Line | Data |
---|---|---|
9e512045 SG |
1 | /* |
2 | * Copyright (c) 2017 Google, Inc | |
3 | * Written by Simon Glass <sjg@chromium.org> | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | #include <common.h> | |
9 | #include <dm.h> | |
10 | #include <fdtdec.h> | |
11 | #include <fdt_support.h> | |
12 | #include <libfdt.h> | |
13 | #include <dm/of_access.h> | |
bed77496 | 14 | #include <dm/of_addr.h> |
9e512045 SG |
15 | #include <dm/ofnode.h> |
16 | #include <linux/err.h> | |
dcf98852 | 17 | #include <linux/ioport.h> |
9e512045 SG |
18 | |
19 | int ofnode_read_u32(ofnode node, const char *propname, u32 *outp) | |
20 | { | |
21 | assert(ofnode_valid(node)); | |
22 | debug("%s: %s: ", __func__, propname); | |
23 | ||
24 | if (ofnode_is_np(node)) { | |
25 | return of_read_u32(ofnode_to_np(node), propname, outp); | |
26 | } else { | |
8c9eaada | 27 | const fdt32_t *cell; |
9e512045 SG |
28 | int len; |
29 | ||
30 | cell = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), | |
31 | propname, &len); | |
32 | if (!cell || len < sizeof(int)) { | |
33 | debug("(not found)\n"); | |
34 | return -EINVAL; | |
35 | } | |
36 | *outp = fdt32_to_cpu(cell[0]); | |
37 | } | |
38 | debug("%#x (%d)\n", *outp, *outp); | |
39 | ||
40 | return 0; | |
41 | } | |
42 | ||
43 | int ofnode_read_u32_default(ofnode node, const char *propname, u32 def) | |
44 | { | |
45 | assert(ofnode_valid(node)); | |
46 | ofnode_read_u32(node, propname, &def); | |
47 | ||
48 | return def; | |
49 | } | |
50 | ||
51 | int ofnode_read_s32_default(ofnode node, const char *propname, s32 def) | |
52 | { | |
53 | assert(ofnode_valid(node)); | |
54 | ofnode_read_u32(node, propname, (u32 *)&def); | |
55 | ||
56 | return def; | |
57 | } | |
58 | ||
59 | bool ofnode_read_bool(ofnode node, const char *propname) | |
60 | { | |
b2ec7ea7 | 61 | const void *prop; |
9e512045 SG |
62 | |
63 | assert(ofnode_valid(node)); | |
64 | debug("%s: %s: ", __func__, propname); | |
65 | ||
b2ec7ea7 MY |
66 | prop = ofnode_get_property(node, propname, NULL); |
67 | ||
68 | debug("%s\n", prop ? "true" : "false"); | |
9e512045 | 69 | |
b2ec7ea7 | 70 | return prop ? true : false; |
9e512045 SG |
71 | } |
72 | ||
73 | const char *ofnode_read_string(ofnode node, const char *propname) | |
74 | { | |
75 | const char *str = NULL; | |
76 | int len = -1; | |
77 | ||
78 | assert(ofnode_valid(node)); | |
79 | debug("%s: %s: ", __func__, propname); | |
80 | ||
81 | if (ofnode_is_np(node)) { | |
82 | struct property *prop = of_find_property( | |
83 | ofnode_to_np(node), propname, NULL); | |
84 | ||
85 | if (prop) { | |
86 | str = prop->value; | |
87 | len = prop->length; | |
88 | } | |
89 | } else { | |
90 | str = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), | |
91 | propname, &len); | |
92 | } | |
93 | if (!str) { | |
94 | debug("<not found>\n"); | |
95 | return NULL; | |
96 | } | |
97 | if (strnlen(str, len) >= len) { | |
98 | debug("<invalid>\n"); | |
99 | return NULL; | |
100 | } | |
101 | debug("%s\n", str); | |
102 | ||
103 | return str; | |
104 | } | |
105 | ||
106 | ofnode ofnode_find_subnode(ofnode node, const char *subnode_name) | |
107 | { | |
108 | ofnode subnode; | |
109 | ||
110 | assert(ofnode_valid(node)); | |
111 | debug("%s: %s: ", __func__, subnode_name); | |
112 | ||
113 | if (ofnode_is_np(node)) { | |
114 | const struct device_node *np = ofnode_to_np(node); | |
115 | ||
116 | for (np = np->child; np; np = np->sibling) { | |
117 | if (!strcmp(subnode_name, np->name)) | |
118 | break; | |
119 | } | |
120 | subnode = np_to_ofnode(np); | |
121 | } else { | |
122 | int ooffset = fdt_subnode_offset(gd->fdt_blob, | |
123 | ofnode_to_offset(node), subnode_name); | |
124 | subnode = offset_to_ofnode(ooffset); | |
125 | } | |
126 | debug("%s\n", ofnode_valid(subnode) ? | |
127 | ofnode_get_name(subnode) : "<none>"); | |
128 | ||
129 | return subnode; | |
130 | } | |
131 | ||
132 | int ofnode_read_u32_array(ofnode node, const char *propname, | |
133 | u32 *out_values, size_t sz) | |
134 | { | |
135 | assert(ofnode_valid(node)); | |
136 | debug("%s: %s: ", __func__, propname); | |
137 | ||
138 | if (ofnode_is_np(node)) { | |
139 | return of_read_u32_array(ofnode_to_np(node), propname, | |
140 | out_values, sz); | |
141 | } else { | |
142 | return fdtdec_get_int_array(gd->fdt_blob, | |
143 | ofnode_to_offset(node), propname, | |
144 | out_values, sz); | |
145 | } | |
146 | } | |
147 | ||
148 | ofnode ofnode_first_subnode(ofnode node) | |
149 | { | |
150 | assert(ofnode_valid(node)); | |
151 | if (ofnode_is_np(node)) | |
152 | return np_to_ofnode(node.np->child); | |
153 | ||
154 | return offset_to_ofnode( | |
155 | fdt_first_subnode(gd->fdt_blob, ofnode_to_offset(node))); | |
156 | } | |
157 | ||
158 | ofnode ofnode_next_subnode(ofnode node) | |
159 | { | |
160 | assert(ofnode_valid(node)); | |
161 | if (ofnode_is_np(node)) | |
162 | return np_to_ofnode(node.np->sibling); | |
163 | ||
164 | return offset_to_ofnode( | |
165 | fdt_next_subnode(gd->fdt_blob, ofnode_to_offset(node))); | |
166 | } | |
167 | ||
168 | const char *ofnode_get_name(ofnode node) | |
169 | { | |
170 | assert(ofnode_valid(node)); | |
171 | if (ofnode_is_np(node)) | |
172 | return strrchr(node.np->full_name, '/') + 1; | |
173 | ||
174 | return fdt_get_name(gd->fdt_blob, ofnode_to_offset(node), NULL); | |
175 | } | |
176 | ||
177 | int ofnode_read_size(ofnode node, const char *propname) | |
178 | { | |
179 | int len; | |
180 | ||
181 | if (ofnode_is_np(node)) { | |
182 | struct property *prop = of_find_property( | |
183 | ofnode_to_np(node), propname, NULL); | |
184 | ||
185 | if (prop) | |
186 | return prop->length; | |
187 | } else { | |
188 | if (fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), propname, | |
189 | &len)) | |
190 | return len; | |
191 | } | |
192 | ||
193 | return -EINVAL; | |
194 | } | |
195 | ||
bed77496 SG |
196 | fdt_addr_t ofnode_get_addr_index(ofnode node, int index) |
197 | { | |
198 | if (ofnode_is_np(node)) { | |
199 | const __be32 *prop_val; | |
200 | uint flags; | |
201 | u64 size; | |
0f6507a7 | 202 | int na; |
bed77496 | 203 | |
0f6507a7 SG |
204 | prop_val = of_get_address(ofnode_to_np(node), index, &size, |
205 | &flags); | |
bed77496 SG |
206 | if (!prop_val) |
207 | return FDT_ADDR_T_NONE; | |
0f6507a7 SG |
208 | na = of_n_addr_cells(ofnode_to_np(node)); |
209 | return of_read_number(prop_val, na); | |
bed77496 SG |
210 | } else { |
211 | return fdt_get_base_address(gd->fdt_blob, | |
212 | ofnode_to_offset(node)); | |
213 | } | |
214 | ||
215 | return FDT_ADDR_T_NONE; | |
216 | } | |
217 | ||
218 | fdt_addr_t ofnode_get_addr(ofnode node) | |
219 | { | |
220 | return ofnode_get_addr_index(node, 0); | |
221 | } | |
222 | ||
9e512045 SG |
223 | int ofnode_stringlist_search(ofnode node, const char *property, |
224 | const char *string) | |
225 | { | |
226 | if (ofnode_is_np(node)) { | |
227 | return of_property_match_string(ofnode_to_np(node), | |
228 | property, string); | |
229 | } else { | |
230 | int ret; | |
231 | ||
232 | ret = fdt_stringlist_search(gd->fdt_blob, | |
233 | ofnode_to_offset(node), property, | |
234 | string); | |
235 | if (ret == -FDT_ERR_NOTFOUND) | |
236 | return -ENODATA; | |
237 | else if (ret < 0) | |
238 | return -EINVAL; | |
239 | ||
240 | return ret; | |
241 | } | |
242 | } | |
243 | ||
244 | int ofnode_read_string_index(ofnode node, const char *property, int index, | |
245 | const char **outp) | |
246 | { | |
247 | if (ofnode_is_np(node)) { | |
248 | return of_property_read_string_index(ofnode_to_np(node), | |
249 | property, index, outp); | |
250 | } else { | |
251 | int len; | |
252 | ||
253 | *outp = fdt_stringlist_get(gd->fdt_blob, ofnode_to_offset(node), | |
254 | property, index, &len); | |
255 | if (len < 0) | |
256 | return -EINVAL; | |
257 | return 0; | |
258 | } | |
259 | } | |
260 | ||
8c293d6a SG |
261 | int ofnode_read_string_count(ofnode node, const char *property) |
262 | { | |
263 | if (ofnode_is_np(node)) { | |
264 | return of_property_count_strings(ofnode_to_np(node), property); | |
265 | } else { | |
266 | return fdt_stringlist_count(gd->fdt_blob, | |
267 | ofnode_to_offset(node), property); | |
268 | } | |
269 | } | |
270 | ||
9e512045 SG |
271 | static void ofnode_from_fdtdec_phandle_args(struct fdtdec_phandle_args *in, |
272 | struct ofnode_phandle_args *out) | |
273 | { | |
274 | assert(OF_MAX_PHANDLE_ARGS == MAX_PHANDLE_ARGS); | |
275 | out->node = offset_to_ofnode(in->node); | |
276 | out->args_count = in->args_count; | |
277 | memcpy(out->args, in->args, sizeof(out->args)); | |
278 | } | |
279 | ||
280 | static void ofnode_from_of_phandle_args(struct of_phandle_args *in, | |
281 | struct ofnode_phandle_args *out) | |
282 | { | |
283 | assert(OF_MAX_PHANDLE_ARGS == MAX_PHANDLE_ARGS); | |
284 | out->node = np_to_ofnode(in->np); | |
285 | out->args_count = in->args_count; | |
286 | memcpy(out->args, in->args, sizeof(out->args)); | |
287 | } | |
288 | ||
289 | int ofnode_parse_phandle_with_args(ofnode node, const char *list_name, | |
290 | const char *cells_name, int cell_count, | |
291 | int index, | |
292 | struct ofnode_phandle_args *out_args) | |
293 | { | |
294 | if (ofnode_is_np(node)) { | |
295 | struct of_phandle_args args; | |
296 | int ret; | |
297 | ||
298 | ret = of_parse_phandle_with_args(ofnode_to_np(node), | |
299 | list_name, cells_name, index, &args); | |
300 | if (ret) | |
301 | return ret; | |
302 | ofnode_from_of_phandle_args(&args, out_args); | |
303 | } else { | |
304 | struct fdtdec_phandle_args args; | |
305 | int ret; | |
306 | ||
307 | ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, | |
308 | ofnode_to_offset(node), list_name, cells_name, | |
309 | cell_count, index, &args); | |
310 | if (ret) | |
311 | return ret; | |
312 | ofnode_from_fdtdec_phandle_args(&args, out_args); | |
313 | } | |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
642346ae PC |
318 | int ofnode_count_phandle_with_args(ofnode node, const char *list_name, |
319 | const char *cells_name) | |
320 | { | |
321 | if (ofnode_is_np(node)) | |
322 | return of_count_phandle_with_args(ofnode_to_np(node), | |
323 | list_name, cells_name); | |
324 | else | |
325 | return fdtdec_parse_phandle_with_args(gd->fdt_blob, | |
326 | ofnode_to_offset(node), list_name, cells_name, | |
327 | 0, -1, NULL); | |
328 | } | |
329 | ||
9e512045 SG |
330 | ofnode ofnode_path(const char *path) |
331 | { | |
332 | if (of_live_active()) | |
333 | return np_to_ofnode(of_find_node_by_path(path)); | |
334 | else | |
335 | return offset_to_ofnode(fdt_path_offset(gd->fdt_blob, path)); | |
336 | } | |
337 | ||
338 | const char *ofnode_get_chosen_prop(const char *name) | |
339 | { | |
340 | ofnode chosen_node; | |
341 | ||
342 | chosen_node = ofnode_path("/chosen"); | |
343 | ||
344 | return ofnode_read_string(chosen_node, name); | |
345 | } | |
346 | ||
347 | ofnode ofnode_get_chosen_node(const char *name) | |
348 | { | |
349 | const char *prop; | |
350 | ||
351 | prop = ofnode_get_chosen_prop(name); | |
352 | if (!prop) | |
353 | return ofnode_null(); | |
354 | ||
355 | return ofnode_path(prop); | |
356 | } | |
357 | ||
358 | static int decode_timing_property(ofnode node, const char *name, | |
359 | struct timing_entry *result) | |
360 | { | |
361 | int length, ret = 0; | |
362 | ||
363 | length = ofnode_read_size(node, name); | |
364 | if (length < 0) { | |
365 | debug("%s: could not find property %s\n", | |
366 | ofnode_get_name(node), name); | |
367 | return length; | |
368 | } | |
369 | ||
370 | if (length == sizeof(u32)) { | |
371 | result->typ = ofnode_read_u32_default(node, name, 0); | |
372 | result->min = result->typ; | |
373 | result->max = result->typ; | |
374 | } else { | |
375 | ret = ofnode_read_u32_array(node, name, &result->min, 3); | |
376 | } | |
377 | ||
378 | return ret; | |
379 | } | |
380 | ||
381 | int ofnode_decode_display_timing(ofnode parent, int index, | |
382 | struct display_timing *dt) | |
383 | { | |
384 | int i; | |
385 | ofnode timings, node; | |
386 | u32 val = 0; | |
387 | int ret = 0; | |
388 | ||
389 | timings = ofnode_find_subnode(parent, "display-timings"); | |
390 | if (!ofnode_valid(timings)) | |
391 | return -EINVAL; | |
392 | ||
393 | for (i = 0, node = ofnode_first_subnode(timings); | |
394 | ofnode_valid(node) && i != index; | |
395 | node = ofnode_first_subnode(node)) | |
396 | i++; | |
397 | ||
398 | if (!ofnode_valid(node)) | |
399 | return -EINVAL; | |
400 | ||
401 | memset(dt, 0, sizeof(*dt)); | |
402 | ||
403 | ret |= decode_timing_property(node, "hback-porch", &dt->hback_porch); | |
404 | ret |= decode_timing_property(node, "hfront-porch", &dt->hfront_porch); | |
405 | ret |= decode_timing_property(node, "hactive", &dt->hactive); | |
406 | ret |= decode_timing_property(node, "hsync-len", &dt->hsync_len); | |
407 | ret |= decode_timing_property(node, "vback-porch", &dt->vback_porch); | |
408 | ret |= decode_timing_property(node, "vfront-porch", &dt->vfront_porch); | |
409 | ret |= decode_timing_property(node, "vactive", &dt->vactive); | |
410 | ret |= decode_timing_property(node, "vsync-len", &dt->vsync_len); | |
411 | ret |= decode_timing_property(node, "clock-frequency", &dt->pixelclock); | |
412 | ||
413 | dt->flags = 0; | |
414 | val = ofnode_read_u32_default(node, "vsync-active", -1); | |
415 | if (val != -1) { | |
416 | dt->flags |= val ? DISPLAY_FLAGS_VSYNC_HIGH : | |
417 | DISPLAY_FLAGS_VSYNC_LOW; | |
418 | } | |
419 | val = ofnode_read_u32_default(node, "hsync-active", -1); | |
420 | if (val != -1) { | |
421 | dt->flags |= val ? DISPLAY_FLAGS_HSYNC_HIGH : | |
422 | DISPLAY_FLAGS_HSYNC_LOW; | |
423 | } | |
424 | val = ofnode_read_u32_default(node, "de-active", -1); | |
425 | if (val != -1) { | |
426 | dt->flags |= val ? DISPLAY_FLAGS_DE_HIGH : | |
427 | DISPLAY_FLAGS_DE_LOW; | |
428 | } | |
429 | val = ofnode_read_u32_default(node, "pixelclk-active", -1); | |
430 | if (val != -1) { | |
431 | dt->flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE : | |
432 | DISPLAY_FLAGS_PIXDATA_NEGEDGE; | |
433 | } | |
434 | ||
435 | if (ofnode_read_bool(node, "interlaced")) | |
436 | dt->flags |= DISPLAY_FLAGS_INTERLACED; | |
437 | if (ofnode_read_bool(node, "doublescan")) | |
438 | dt->flags |= DISPLAY_FLAGS_DOUBLESCAN; | |
439 | if (ofnode_read_bool(node, "doubleclk")) | |
440 | dt->flags |= DISPLAY_FLAGS_DOUBLECLK; | |
441 | ||
442 | return ret; | |
443 | } | |
444 | ||
61e51bab | 445 | const void *ofnode_get_property(ofnode node, const char *propname, int *lenp) |
9e512045 | 446 | { |
cb7dbe1f MY |
447 | if (ofnode_is_np(node)) |
448 | return of_get_property(ofnode_to_np(node), propname, lenp); | |
449 | else | |
9e512045 SG |
450 | return fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), |
451 | propname, lenp); | |
9e512045 SG |
452 | } |
453 | ||
454 | bool ofnode_is_available(ofnode node) | |
455 | { | |
456 | if (ofnode_is_np(node)) | |
457 | return of_device_is_available(ofnode_to_np(node)); | |
458 | else | |
459 | return fdtdec_get_is_enabled(gd->fdt_blob, | |
460 | ofnode_to_offset(node)); | |
461 | } | |
462 | ||
463 | fdt_addr_t ofnode_get_addr_size(ofnode node, const char *property, | |
464 | fdt_size_t *sizep) | |
465 | { | |
466 | if (ofnode_is_np(node)) { | |
467 | int na, ns; | |
468 | int psize; | |
469 | const struct device_node *np = ofnode_to_np(node); | |
470 | const __be32 *prop = of_get_property(np, "reg", &psize); | |
471 | ||
472 | na = of_n_addr_cells(np); | |
473 | ns = of_n_addr_cells(np); | |
a4b8e372 SG |
474 | *sizep = of_read_number(prop + na, ns); |
475 | return of_read_number(prop, na); | |
9e512045 SG |
476 | } else { |
477 | return fdtdec_get_addr_size(gd->fdt_blob, | |
478 | ofnode_to_offset(node), property, | |
479 | sizep); | |
480 | } | |
481 | } | |
482 | ||
483 | const uint8_t *ofnode_read_u8_array_ptr(ofnode node, const char *propname, | |
484 | size_t sz) | |
485 | { | |
486 | if (ofnode_is_np(node)) { | |
487 | const struct device_node *np = ofnode_to_np(node); | |
488 | int psize; | |
489 | const __be32 *prop = of_get_property(np, propname, &psize); | |
490 | ||
491 | if (!prop || sz != psize) | |
492 | return NULL; | |
493 | return (uint8_t *)prop; | |
494 | ||
495 | } else { | |
496 | return fdtdec_locate_byte_array(gd->fdt_blob, | |
497 | ofnode_to_offset(node), propname, sz); | |
498 | } | |
499 | } | |
500 | ||
501 | int ofnode_read_pci_addr(ofnode node, enum fdt_pci_space type, | |
502 | const char *propname, struct fdt_pci_addr *addr) | |
503 | { | |
8c9eaada | 504 | const fdt32_t *cell; |
9e512045 SG |
505 | int len; |
506 | int ret = -ENOENT; | |
507 | ||
508 | debug("%s: %s: ", __func__, propname); | |
509 | ||
510 | /* | |
511 | * If we follow the pci bus bindings strictly, we should check | |
512 | * the value of the node's parent node's #address-cells and | |
513 | * #size-cells. They need to be 3 and 2 accordingly. However, | |
514 | * for simplicity we skip the check here. | |
515 | */ | |
61e51bab | 516 | cell = ofnode_get_property(node, propname, &len); |
9e512045 SG |
517 | if (!cell) |
518 | goto fail; | |
519 | ||
520 | if ((len % FDT_PCI_REG_SIZE) == 0) { | |
521 | int num = len / FDT_PCI_REG_SIZE; | |
522 | int i; | |
523 | ||
524 | for (i = 0; i < num; i++) { | |
525 | debug("pci address #%d: %08lx %08lx %08lx\n", i, | |
526 | (ulong)fdt32_to_cpu(cell[0]), | |
527 | (ulong)fdt32_to_cpu(cell[1]), | |
528 | (ulong)fdt32_to_cpu(cell[2])); | |
529 | if ((fdt32_to_cpu(*cell) & type) == type) { | |
530 | addr->phys_hi = fdt32_to_cpu(cell[0]); | |
531 | addr->phys_mid = fdt32_to_cpu(cell[1]); | |
532 | addr->phys_lo = fdt32_to_cpu(cell[1]); | |
533 | break; | |
534 | } else { | |
535 | cell += (FDT_PCI_ADDR_CELLS + | |
536 | FDT_PCI_SIZE_CELLS); | |
537 | } | |
538 | } | |
539 | ||
540 | if (i == num) { | |
541 | ret = -ENXIO; | |
542 | goto fail; | |
543 | } | |
544 | ||
545 | return 0; | |
546 | } else { | |
547 | ret = -EINVAL; | |
548 | } | |
549 | ||
550 | fail: | |
551 | debug("(not found)\n"); | |
552 | return ret; | |
553 | } | |
554 | ||
555 | int ofnode_read_addr_cells(ofnode node) | |
556 | { | |
557 | if (ofnode_is_np(node)) | |
558 | return of_n_addr_cells(ofnode_to_np(node)); | |
878d68c0 | 559 | else /* NOTE: this call should walk up the parent stack */ |
9e512045 SG |
560 | return fdt_address_cells(gd->fdt_blob, ofnode_to_offset(node)); |
561 | } | |
562 | ||
563 | int ofnode_read_size_cells(ofnode node) | |
564 | { | |
565 | if (ofnode_is_np(node)) | |
566 | return of_n_size_cells(ofnode_to_np(node)); | |
878d68c0 SG |
567 | else /* NOTE: this call should walk up the parent stack */ |
568 | return fdt_size_cells(gd->fdt_blob, ofnode_to_offset(node)); | |
569 | } | |
570 | ||
571 | int ofnode_read_simple_addr_cells(ofnode node) | |
572 | { | |
573 | if (ofnode_is_np(node)) | |
574 | return of_simple_addr_cells(ofnode_to_np(node)); | |
575 | else | |
576 | return fdt_address_cells(gd->fdt_blob, ofnode_to_offset(node)); | |
577 | } | |
578 | ||
579 | int ofnode_read_simple_size_cells(ofnode node) | |
580 | { | |
581 | if (ofnode_is_np(node)) | |
582 | return of_simple_size_cells(ofnode_to_np(node)); | |
9e512045 SG |
583 | else |
584 | return fdt_size_cells(gd->fdt_blob, ofnode_to_offset(node)); | |
585 | } | |
586 | ||
587 | bool ofnode_pre_reloc(ofnode node) | |
588 | { | |
252510ac | 589 | if (ofnode_read_bool(node, "u-boot,dm-pre-reloc")) |
9e512045 SG |
590 | return true; |
591 | ||
592 | #ifdef CONFIG_TPL_BUILD | |
252510ac | 593 | if (ofnode_read_bool(node, "u-boot,dm-tpl")) |
9e512045 SG |
594 | return true; |
595 | #elif defined(CONFIG_SPL_BUILD) | |
252510ac | 596 | if (ofnode_read_bool(node, "u-boot,dm-spl")) |
9e512045 SG |
597 | return true; |
598 | #else | |
599 | /* | |
600 | * In regular builds individual spl and tpl handling both | |
601 | * count as handled pre-relocation for later second init. | |
602 | */ | |
252510ac MY |
603 | if (ofnode_read_bool(node, "u-boot,dm-spl") || |
604 | ofnode_read_bool(node, "u-boot,dm-tpl")) | |
9e512045 SG |
605 | return true; |
606 | #endif | |
607 | ||
608 | return false; | |
609 | } | |
dcf98852 SG |
610 | |
611 | int ofnode_read_resource(ofnode node, uint index, struct resource *res) | |
612 | { | |
613 | if (ofnode_is_np(node)) { | |
614 | return of_address_to_resource(ofnode_to_np(node), index, res); | |
615 | } else { | |
616 | struct fdt_resource fres; | |
617 | int ret; | |
618 | ||
619 | ret = fdt_get_resource(gd->fdt_blob, ofnode_to_offset(node), | |
620 | "reg", index, &fres); | |
621 | if (ret < 0) | |
622 | return -EINVAL; | |
623 | memset(res, '\0', sizeof(*res)); | |
624 | res->start = fres.start; | |
625 | res->end = fres.end; | |
626 | ||
627 | return 0; | |
628 | } | |
629 | } |