2 * Copyright (c) 2011 The Chromium OS Authors.
3 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/ctype.h>
16 DECLARE_GLOBAL_DATA_PTR;
19 * Here are the type we know about. One day we might allow drivers to
20 * register. For now we just put them here. The COMPAT macro allows us to
21 * turn this into a sparse list later, and keeps the ID with the name.
23 #define COMPAT(id, name) name
24 static const char * const compat_names[COMPAT_COUNT] = {
25 COMPAT(UNKNOWN, "<none>"),
26 COMPAT(NVIDIA_TEGRA20_USB, "nvidia,tegra20-ehci"),
27 COMPAT(NVIDIA_TEGRA30_USB, "nvidia,tegra30-ehci"),
28 COMPAT(NVIDIA_TEGRA114_USB, "nvidia,tegra114-ehci"),
29 COMPAT(NVIDIA_TEGRA114_I2C, "nvidia,tegra114-i2c"),
30 COMPAT(NVIDIA_TEGRA20_I2C, "nvidia,tegra20-i2c"),
31 COMPAT(NVIDIA_TEGRA20_DVC, "nvidia,tegra20-i2c-dvc"),
32 COMPAT(NVIDIA_TEGRA20_EMC, "nvidia,tegra20-emc"),
33 COMPAT(NVIDIA_TEGRA20_EMC_TABLE, "nvidia,tegra20-emc-table"),
34 COMPAT(NVIDIA_TEGRA20_KBC, "nvidia,tegra20-kbc"),
35 COMPAT(NVIDIA_TEGRA20_NAND, "nvidia,tegra20-nand"),
36 COMPAT(NVIDIA_TEGRA20_PWM, "nvidia,tegra20-pwm"),
37 COMPAT(NVIDIA_TEGRA20_DC, "nvidia,tegra20-dc"),
38 COMPAT(NVIDIA_TEGRA124_SDMMC, "nvidia,tegra124-sdhci"),
39 COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"),
40 COMPAT(NVIDIA_TEGRA20_SDMMC, "nvidia,tegra20-sdhci"),
41 COMPAT(NVIDIA_TEGRA20_SFLASH, "nvidia,tegra20-sflash"),
42 COMPAT(NVIDIA_TEGRA20_SLINK, "nvidia,tegra20-slink"),
43 COMPAT(NVIDIA_TEGRA114_SPI, "nvidia,tegra114-spi"),
44 COMPAT(NVIDIA_TEGRA124_XUSB_PADCTL, "nvidia,tegra124-xusb-padctl"),
45 COMPAT(SMSC_LAN9215, "smsc,lan9215"),
46 COMPAT(SAMSUNG_EXYNOS5_SROMC, "samsung,exynos-sromc"),
47 COMPAT(SAMSUNG_S3C2440_I2C, "samsung,s3c2440-i2c"),
48 COMPAT(SAMSUNG_EXYNOS5_SOUND, "samsung,exynos-sound"),
49 COMPAT(WOLFSON_WM8994_CODEC, "wolfson,wm8994-codec"),
50 COMPAT(SAMSUNG_EXYNOS_SPI, "samsung,exynos-spi"),
51 COMPAT(GOOGLE_CROS_EC, "google,cros-ec"),
52 COMPAT(GOOGLE_CROS_EC_KEYB, "google,cros-ec-keyb"),
53 COMPAT(SAMSUNG_EXYNOS_EHCI, "samsung,exynos-ehci"),
54 COMPAT(SAMSUNG_EXYNOS5_XHCI, "samsung,exynos5250-xhci"),
55 COMPAT(SAMSUNG_EXYNOS_USB_PHY, "samsung,exynos-usb-phy"),
56 COMPAT(SAMSUNG_EXYNOS5_USB3_PHY, "samsung,exynos5250-usb3-phy"),
57 COMPAT(SAMSUNG_EXYNOS_TMU, "samsung,exynos-tmu"),
58 COMPAT(SAMSUNG_EXYNOS_FIMD, "samsung,exynos-fimd"),
59 COMPAT(SAMSUNG_EXYNOS_MIPI_DSI, "samsung,exynos-mipi-dsi"),
60 COMPAT(SAMSUNG_EXYNOS5_DP, "samsung,exynos5-dp"),
61 COMPAT(SAMSUNG_EXYNOS_DWMMC, "samsung,exynos-dwmmc"),
62 COMPAT(SAMSUNG_EXYNOS_MMC, "samsung,exynos-mmc"),
63 COMPAT(SAMSUNG_EXYNOS_SERIAL, "samsung,exynos4210-uart"),
64 COMPAT(MAXIM_MAX77686_PMIC, "maxim,max77686_pmic"),
65 COMPAT(GENERIC_SPI_FLASH, "spi-flash"),
66 COMPAT(MAXIM_98095_CODEC, "maxim,max98095-codec"),
67 COMPAT(INFINEON_SLB9635_TPM, "infineon,slb9635-tpm"),
68 COMPAT(INFINEON_SLB9645_TPM, "infineon,slb9645-tpm"),
69 COMPAT(SAMSUNG_EXYNOS5_I2C, "samsung,exynos5-hsi2c"),
70 COMPAT(SANDBOX_HOST_EMULATION, "sandbox,host-emulation"),
71 COMPAT(SANDBOX_LCD_SDL, "sandbox,lcd-sdl"),
72 COMPAT(TI_TPS65090, "ti,tps65090"),
73 COMPAT(COMPAT_NXP_PTN3460, "nxp,ptn3460"),
74 COMPAT(SAMSUNG_EXYNOS_SYSMMU, "samsung,sysmmu-v3.3"),
75 COMPAT(PARADE_PS8625, "parade,ps8625"),
76 COMPAT(COMPAT_INTEL_LPC, "intel,lpc"),
77 COMPAT(INTEL_MICROCODE, "intel,microcode"),
78 COMPAT(MEMORY_SPD, "memory-spd"),
79 COMPAT(INTEL_PANTHERPOINT_AHCI, "intel,pantherpoint-ahci"),
80 COMPAT(INTEL_MODEL_206AX, "intel,model-206ax"),
81 COMPAT(INTEL_GMA, "intel,gma"),
82 COMPAT(AMS_AS3722, "ams,as3722"),
85 const char *fdtdec_get_compatible(enum fdt_compat_id id)
87 /* We allow reading of the 'unknown' ID for testing purposes */
88 assert(id >= 0 && id < COMPAT_COUNT);
89 return compat_names[id];
92 fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
93 const char *prop_name, fdt_size_t *sizep)
95 const fdt_addr_t *cell;
98 debug("%s: %s: ", __func__, prop_name);
99 cell = fdt_getprop(blob, node, prop_name, &len);
100 if (cell && ((!sizep && len == sizeof(fdt_addr_t)) ||
101 len == sizeof(fdt_addr_t) * 2)) {
102 fdt_addr_t addr = fdt_addr_to_cpu(*cell);
104 const fdt_size_t *size;
106 size = (fdt_size_t *)((char *)cell +
108 *sizep = fdt_size_to_cpu(*size);
109 debug("addr=%08lx, size=%08x\n",
110 (ulong)addr, *sizep);
112 debug("%08lx\n", (ulong)addr);
116 debug("(not found)\n");
117 return FDT_ADDR_T_NONE;
120 fdt_addr_t fdtdec_get_addr(const void *blob, int node,
121 const char *prop_name)
123 return fdtdec_get_addr_size(blob, node, prop_name, NULL);
126 uint64_t fdtdec_get_uint64(const void *blob, int node, const char *prop_name,
127 uint64_t default_val)
129 const uint64_t *cell64;
132 cell64 = fdt_getprop(blob, node, prop_name, &length);
133 if (!cell64 || length < sizeof(*cell64))
136 return fdt64_to_cpu(*cell64);
139 int fdtdec_get_is_enabled(const void *blob, int node)
144 * It should say "okay", so only allow that. Some fdts use "ok" but
145 * this is a bug. Please fix your device tree source file. See here
148 * http://www.mail-archive.com/u-boot@lists.denx.de/msg71598.html
150 cell = fdt_getprop(blob, node, "status", NULL);
152 return 0 == strcmp(cell, "okay");
156 enum fdt_compat_id fdtdec_lookup(const void *blob, int node)
158 enum fdt_compat_id id;
160 /* Search our drivers */
161 for (id = COMPAT_UNKNOWN; id < COMPAT_COUNT; id++)
162 if (0 == fdt_node_check_compatible(blob, node,
165 return COMPAT_UNKNOWN;
168 int fdtdec_next_compatible(const void *blob, int node,
169 enum fdt_compat_id id)
171 return fdt_node_offset_by_compatible(blob, node, compat_names[id]);
174 int fdtdec_next_compatible_subnode(const void *blob, int node,
175 enum fdt_compat_id id, int *depthp)
178 node = fdt_next_node(blob, node, depthp);
179 } while (*depthp > 1);
181 /* If this is a direct subnode, and compatible, return it */
182 if (*depthp == 1 && 0 == fdt_node_check_compatible(
183 blob, node, compat_names[id]))
186 return -FDT_ERR_NOTFOUND;
189 int fdtdec_next_alias(const void *blob, const char *name,
190 enum fdt_compat_id id, int *upto)
192 #define MAX_STR_LEN 20
193 char str[MAX_STR_LEN + 20];
196 /* snprintf() is not available */
197 assert(strlen(name) < MAX_STR_LEN);
198 sprintf(str, "%.*s%d", MAX_STR_LEN, name, *upto);
199 node = fdt_path_offset(blob, str);
202 err = fdt_node_check_compatible(blob, node, compat_names[id]);
206 return -FDT_ERR_NOTFOUND;
211 int fdtdec_find_aliases_for_id(const void *blob, const char *name,
212 enum fdt_compat_id id, int *node_list, int maxcount)
214 memset(node_list, '\0', sizeof(*node_list) * maxcount);
216 return fdtdec_add_aliases_for_id(blob, name, id, node_list, maxcount);
219 /* TODO: Can we tighten this code up a little? */
220 int fdtdec_add_aliases_for_id(const void *blob, const char *name,
221 enum fdt_compat_id id, int *node_list, int maxcount)
223 int name_len = strlen(name);
231 /* find the alias node if present */
232 alias_node = fdt_path_offset(blob, "/aliases");
235 * start with nothing, and we can assume that the root node can't
238 memset(nodes, '\0', sizeof(nodes));
240 /* First find all the compatible nodes */
241 for (node = count = 0; node >= 0 && count < maxcount;) {
242 node = fdtdec_next_compatible(blob, node, id);
244 nodes[count++] = node;
247 debug("%s: warning: maxcount exceeded with alias '%s'\n",
250 /* Now find all the aliases */
251 for (offset = fdt_first_property_offset(blob, alias_node);
253 offset = fdt_next_property_offset(blob, offset)) {
254 const struct fdt_property *prop;
260 prop = fdt_get_property_by_offset(blob, offset, NULL);
261 path = fdt_string(blob, fdt32_to_cpu(prop->nameoff));
262 if (prop->len && 0 == strncmp(path, name, name_len))
263 node = fdt_path_offset(blob, prop->data);
267 /* Get the alias number */
268 number = simple_strtoul(path + name_len, NULL, 10);
269 if (number < 0 || number >= maxcount) {
270 debug("%s: warning: alias '%s' is out of range\n",
275 /* Make sure the node we found is actually in our list! */
277 for (j = 0; j < count; j++)
278 if (nodes[j] == node) {
284 debug("%s: warning: alias '%s' points to a node "
285 "'%s' that is missing or is not compatible "
286 " with '%s'\n", __func__, path,
287 fdt_get_name(blob, node, NULL),
293 * Add this node to our list in the right place, and mark
296 if (fdtdec_get_is_enabled(blob, node)) {
297 if (node_list[number]) {
298 debug("%s: warning: alias '%s' requires that "
299 "a node be placed in the list in a "
300 "position which is already filled by "
301 "node '%s'\n", __func__, path,
302 fdt_get_name(blob, node, NULL));
305 node_list[number] = node;
306 if (number >= num_found)
307 num_found = number + 1;
312 /* Add any nodes not mentioned by an alias */
313 for (i = j = 0; i < maxcount; i++) {
315 for (; j < maxcount; j++)
317 fdtdec_get_is_enabled(blob, nodes[j]))
320 /* Have we run out of nodes to add? */
324 assert(!node_list[i]);
325 node_list[i] = nodes[j++];
334 int fdtdec_get_alias_seq(const void *blob, const char *base, int offset,
337 int base_len = strlen(base);
338 const char *find_name;
343 find_name = fdt_get_name(blob, offset, &find_namelen);
344 debug("Looking for '%s' at %d, name %s\n", base, offset, find_name);
346 aliases = fdt_path_offset(blob, "/aliases");
347 for (prop_offset = fdt_first_property_offset(blob, aliases);
349 prop_offset = fdt_next_property_offset(blob, prop_offset)) {
356 prop = fdt_getprop_by_offset(blob, prop_offset, &name, &len);
357 debug(" - %s, %s\n", name, prop);
358 if (len < find_namelen || *prop != '/' || prop[len - 1] ||
359 strncmp(name, base, base_len))
362 slash = strrchr(prop, '/');
363 if (strcmp(slash + 1, find_name))
365 for (p = name + strlen(name) - 1; p > name; p--) {
367 *seqp = simple_strtoul(p + 1, NULL, 10);
368 debug("Found seq %d\n", *seqp);
374 debug("Not found\n");
378 int fdtdec_get_chosen_node(const void *blob, const char *name)
385 return -FDT_ERR_NOTFOUND;
386 chosen_node = fdt_path_offset(blob, "/chosen");
387 prop = fdt_getprop(blob, chosen_node, name, &len);
389 return -FDT_ERR_NOTFOUND;
390 return fdt_path_offset(blob, prop);
393 int fdtdec_check_fdt(void)
396 * We must have an FDT, but we cannot panic() yet since the console
397 * is not ready. So for now, just assert(). Boards which need an early
398 * FDT (prior to console ready) will need to make their own
399 * arrangements and do their own checks.
401 assert(!fdtdec_prepare_fdt());
406 * This function is a little odd in that it accesses global data. At some
407 * point if the architecture board.c files merge this will make more sense.
408 * Even now, it is common code.
410 int fdtdec_prepare_fdt(void)
412 if (!gd->fdt_blob || ((uintptr_t)gd->fdt_blob & 3) ||
413 fdt_check_header(gd->fdt_blob)) {
414 printf("No valid FDT found - please append one to U-Boot "
415 "binary, use u-boot-dtb.bin or define "
416 "CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n");
422 int fdtdec_lookup_phandle(const void *blob, int node, const char *prop_name)
427 debug("%s: %s\n", __func__, prop_name);
428 phandle = fdt_getprop(blob, node, prop_name, NULL);
430 return -FDT_ERR_NOTFOUND;
432 lookup = fdt_node_offset_by_phandle(blob, fdt32_to_cpu(*phandle));
437 * Look up a property in a node and check that it has a minimum length.
439 * @param blob FDT blob
440 * @param node node to examine
441 * @param prop_name name of property to find
442 * @param min_len minimum property length in bytes
443 * @param err 0 if ok, or -FDT_ERR_NOTFOUND if the property is not
444 found, or -FDT_ERR_BADLAYOUT if not enough data
445 * @return pointer to cell, which is only valid if err == 0
447 static const void *get_prop_check_min_len(const void *blob, int node,
448 const char *prop_name, int min_len, int *err)
453 debug("%s: %s\n", __func__, prop_name);
454 cell = fdt_getprop(blob, node, prop_name, &len);
456 *err = -FDT_ERR_NOTFOUND;
457 else if (len < min_len)
458 *err = -FDT_ERR_BADLAYOUT;
464 int fdtdec_get_int_array(const void *blob, int node, const char *prop_name,
465 u32 *array, int count)
470 debug("%s: %s\n", __func__, prop_name);
471 cell = get_prop_check_min_len(blob, node, prop_name,
472 sizeof(u32) * count, &err);
474 for (i = 0; i < count; i++)
475 array[i] = fdt32_to_cpu(cell[i]);
480 int fdtdec_get_int_array_count(const void *blob, int node,
481 const char *prop_name, u32 *array, int count)
487 debug("%s: %s\n", __func__, prop_name);
488 cell = fdt_getprop(blob, node, prop_name, &len);
490 return -FDT_ERR_NOTFOUND;
491 elems = len / sizeof(u32);
494 for (i = 0; i < count; i++)
495 array[i] = fdt32_to_cpu(cell[i]);
500 const u32 *fdtdec_locate_array(const void *blob, int node,
501 const char *prop_name, int count)
506 cell = get_prop_check_min_len(blob, node, prop_name,
507 sizeof(u32) * count, &err);
508 return err ? NULL : cell;
511 int fdtdec_get_bool(const void *blob, int node, const char *prop_name)
516 debug("%s: %s\n", __func__, prop_name);
517 cell = fdt_getprop(blob, node, prop_name, &len);
522 * Decode a list of GPIOs from an FDT. This creates a list of GPIOs with no
525 * @param blob FDT blob to use
526 * @param node Node to look at
527 * @param prop_name Node property name
528 * @param gpio Array of gpio elements to fill from FDT. This will be
529 * untouched if either 0 or an error is returned
530 * @param max_count Maximum number of elements allowed
531 * @return number of GPIOs read if ok, -FDT_ERR_BADLAYOUT if max_count would
532 * be exceeded, or -FDT_ERR_NOTFOUND if the property is missing.
534 int fdtdec_decode_gpios(const void *blob, int node, const char *prop_name,
535 struct fdt_gpio_state *gpio, int max_count)
537 const struct fdt_property *prop;
542 debug("%s: %s\n", __func__, prop_name);
543 assert(max_count > 0);
544 prop = fdt_get_property(blob, node, prop_name, &len);
546 debug("%s: property '%s' missing\n", __func__, prop_name);
547 return -FDT_ERR_NOTFOUND;
550 /* We will use the name to tag the GPIO */
551 name = fdt_string(blob, fdt32_to_cpu(prop->nameoff));
552 cell = (u32 *)prop->data;
553 len /= sizeof(u32) * 3; /* 3 cells per GPIO record */
554 if (len > max_count) {
555 debug(" %s: too many GPIOs / cells for "
556 "property '%s'\n", __func__, prop_name);
557 return -FDT_ERR_BADLAYOUT;
560 /* Read out the GPIO data from the cells */
561 for (i = 0; i < len; i++, cell += 3) {
562 gpio[i].gpio = fdt32_to_cpu(cell[1]);
563 gpio[i].flags = fdt32_to_cpu(cell[2]);
570 int fdtdec_decode_gpio(const void *blob, int node, const char *prop_name,
571 struct fdt_gpio_state *gpio)
575 debug("%s: %s\n", __func__, prop_name);
576 gpio->gpio = FDT_GPIO_NONE;
578 err = fdtdec_decode_gpios(blob, node, prop_name, gpio, 1);
579 return err == 1 ? 0 : err;
582 int fdtdec_get_gpio(struct fdt_gpio_state *gpio)
586 if (!fdt_gpio_isvalid(gpio))
589 val = gpio_get_value(gpio->gpio);
590 return gpio->flags & FDT_GPIO_ACTIVE_LOW ? val ^ 1 : val;
593 int fdtdec_set_gpio(struct fdt_gpio_state *gpio, int val)
595 if (!fdt_gpio_isvalid(gpio))
598 val = gpio->flags & FDT_GPIO_ACTIVE_LOW ? val ^ 1 : val;
599 return gpio_set_value(gpio->gpio, val);
602 int fdtdec_setup_gpio(struct fdt_gpio_state *gpio)
605 * Return success if there is no GPIO defined. This is used for
608 if (!fdt_gpio_isvalid(gpio))
611 if (gpio_request(gpio->gpio, gpio->name))
616 int fdtdec_get_byte_array(const void *blob, int node, const char *prop_name,
617 u8 *array, int count)
622 cell = get_prop_check_min_len(blob, node, prop_name, count, &err);
624 memcpy(array, cell, count);
628 const u8 *fdtdec_locate_byte_array(const void *blob, int node,
629 const char *prop_name, int count)
634 cell = get_prop_check_min_len(blob, node, prop_name, count, &err);
640 int fdtdec_get_config_int(const void *blob, const char *prop_name,
645 debug("%s: %s\n", __func__, prop_name);
646 config_node = fdt_path_offset(blob, "/config");
649 return fdtdec_get_int(blob, config_node, prop_name, default_val);
652 int fdtdec_get_config_bool(const void *blob, const char *prop_name)
657 debug("%s: %s\n", __func__, prop_name);
658 config_node = fdt_path_offset(blob, "/config");
661 prop = fdt_get_property(blob, config_node, prop_name, NULL);
666 char *fdtdec_get_config_string(const void *blob, const char *prop_name)
672 debug("%s: %s\n", __func__, prop_name);
673 nodeoffset = fdt_path_offset(blob, "/config");
677 nodep = fdt_getprop(blob, nodeoffset, prop_name, &len);
681 return (char *)nodep;
684 int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
685 fdt_addr_t *basep, fdt_size_t *sizep)
687 const fdt_addr_t *cell;
690 debug("%s: %s: %s\n", __func__, fdt_get_name(blob, node, NULL),
692 cell = fdt_getprop(blob, node, prop_name, &len);
693 if (!cell || (len < sizeof(fdt_addr_t) * 2)) {
694 debug("cell=%p, len=%d\n", cell, len);
698 *basep = fdt_addr_to_cpu(*cell);
699 *sizep = fdt_size_to_cpu(cell[1]);
700 debug("%s: base=%08lx, size=%lx\n", __func__, (ulong)*basep,
707 * Read a flash entry from the fdt
709 * @param blob FDT blob
710 * @param node Offset of node to read
711 * @param name Name of node being read
712 * @param entry Place to put offset and size of this node
713 * @return 0 if ok, -ve on error
715 int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
716 struct fmap_entry *entry)
721 if (fdtdec_get_int_array(blob, node, "reg", reg, 2)) {
722 debug("Node '%s' has bad/missing 'reg' property\n", name);
723 return -FDT_ERR_NOTFOUND;
725 entry->offset = reg[0];
726 entry->length = reg[1];
727 entry->used = fdtdec_get_int(blob, node, "used", entry->length);
728 prop = fdt_getprop(blob, node, "compress", NULL);
729 entry->compress_algo = prop && !strcmp(prop, "lzo") ?
730 FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE;
731 prop = fdt_getprop(blob, node, "hash", &entry->hash_size);
732 entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE;
733 entry->hash = (uint8_t *)prop;
738 static u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells)
743 number = (number << 32) | fdt32_to_cpu(*ptr++);
748 int fdt_get_resource(const void *fdt, int node, const char *property,
749 unsigned int index, struct fdt_resource *res)
751 const fdt32_t *ptr, *end;
752 int na, ns, len, parent;
755 parent = fdt_parent_offset(fdt, node);
759 na = fdt_address_cells(fdt, parent);
760 ns = fdt_size_cells(fdt, parent);
762 ptr = fdt_getprop(fdt, node, property, &len);
766 end = ptr + len / sizeof(*ptr);
768 while (ptr + na + ns <= end) {
770 res->start = res->end = fdtdec_get_number(ptr, na);
771 res->end += fdtdec_get_number(&ptr[na], ns) - 1;
779 return -FDT_ERR_NOTFOUND;
782 int fdt_get_named_resource(const void *fdt, int node, const char *property,
783 const char *prop_names, const char *name,
784 struct fdt_resource *res)
788 index = fdt_find_string(fdt, node, prop_names, name);
792 return fdt_get_resource(fdt, node, property, index, res);
795 int fdtdec_pci_get_bdf(const void *fdt, int node, int *bdf)
800 prop = fdt_getprop(fdt, node, "reg", &len);
804 *bdf = fdt32_to_cpu(*prop) & 0xffffff;
809 int fdtdec_decode_memory_region(const void *blob, int config_node,
810 const char *mem_type, const char *suffix,
811 fdt_addr_t *basep, fdt_size_t *sizep)
815 fdt_size_t size, offset_size;
816 fdt_addr_t base, offset;
819 if (config_node == -1) {
820 config_node = fdt_path_offset(blob, "/config");
821 if (config_node < 0) {
822 debug("%s: Cannot find /config node\n", __func__);
829 snprintf(prop_name, sizeof(prop_name), "%s-memory%s", mem_type,
831 mem = fdt_getprop(blob, config_node, prop_name, NULL);
833 debug("%s: No memory type for '%s', using /memory\n", __func__,
838 node = fdt_path_offset(blob, mem);
840 debug("%s: Failed to find node '%s': %s\n", __func__, mem,
846 * Not strictly correct - the memory may have multiple banks. We just
849 if (fdtdec_decode_region(blob, node, "reg", &base, &size)) {
850 debug("%s: Failed to decode memory region %s\n", __func__,
855 snprintf(prop_name, sizeof(prop_name), "%s-offset%s", mem_type,
857 if (fdtdec_decode_region(blob, config_node, prop_name, &offset,
859 debug("%s: Failed to decode memory region '%s'\n", __func__,
864 *basep = base + offset;
865 *sizep = offset_size;