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Commit | Line | Data |
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64dbbd40 GVB |
1 | /* |
2 | * (C) Copyright 2007 | |
3 | * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
3e303f74 | 25 | #include <stdio_dev.h> |
64dbbd40 GVB |
26 | #include <linux/ctype.h> |
27 | #include <linux/types.h> | |
64dbbd40 GVB |
28 | #include <asm/global_data.h> |
29 | #include <fdt.h> | |
30 | #include <libfdt.h> | |
31 | #include <fdt_support.h> | |
151c8b09 | 32 | #include <exports.h> |
64dbbd40 GVB |
33 | |
34 | /* | |
35 | * Global data (for the gd->bd) | |
36 | */ | |
37 | DECLARE_GLOBAL_DATA_PTR; | |
38 | ||
3bed2aaf KG |
39 | /** |
40 | * fdt_getprop_u32_default - Find a node and return it's property or a default | |
41 | * | |
42 | * @fdt: ptr to device tree | |
43 | * @path: path of node | |
44 | * @prop: property name | |
45 | * @dflt: default value if the property isn't found | |
46 | * | |
47 | * Convenience function to find a node and return it's property or a | |
48 | * default value if it doesn't exist. | |
49 | */ | |
50 | u32 fdt_getprop_u32_default(void *fdt, const char *path, const char *prop, | |
51 | const u32 dflt) | |
52 | { | |
53 | const u32 *val; | |
54 | int off; | |
55 | ||
56 | off = fdt_path_offset(fdt, path); | |
57 | if (off < 0) | |
58 | return dflt; | |
59 | ||
60 | val = fdt_getprop(fdt, off, prop, NULL); | |
61 | if (val) | |
62 | return *val; | |
63 | else | |
64 | return dflt; | |
65 | } | |
64dbbd40 | 66 | |
a3c2933e KG |
67 | /** |
68 | * fdt_find_and_setprop: Find a node and set it's property | |
69 | * | |
70 | * @fdt: ptr to device tree | |
71 | * @node: path of node | |
72 | * @prop: property name | |
73 | * @val: ptr to new value | |
74 | * @len: length of new property value | |
75 | * @create: flag to create the property if it doesn't exist | |
76 | * | |
77 | * Convenience function to directly set a property given the path to the node. | |
78 | */ | |
79 | int fdt_find_and_setprop(void *fdt, const char *node, const char *prop, | |
80 | const void *val, int len, int create) | |
81 | { | |
8d04f02f | 82 | int nodeoff = fdt_path_offset(fdt, node); |
a3c2933e KG |
83 | |
84 | if (nodeoff < 0) | |
85 | return nodeoff; | |
86 | ||
87 | if ((!create) && (fdt_get_property(fdt, nodeoff, prop, 0) == NULL)) | |
88 | return 0; /* create flag not set; so exit quietly */ | |
89 | ||
90 | return fdt_setprop(fdt, nodeoff, prop, val, len); | |
91 | } | |
92 | ||
151c8b09 | 93 | #ifdef CONFIG_OF_STDOUT_VIA_ALIAS |
3e303f74 AV |
94 | |
95 | #ifdef CONFIG_SERIAL_MULTI | |
96 | static void fdt_fill_multisername(char *sername, size_t maxlen) | |
97 | { | |
98 | const char *outname = stdio_devices[stdout]->name; | |
99 | ||
100 | if (strcmp(outname, "serial") > 0) | |
101 | strncpy(sername, outname, maxlen); | |
102 | ||
103 | /* eserial? */ | |
104 | if (strcmp(outname + 1, "serial") > 0) | |
105 | strncpy(sername, outname + 1, maxlen); | |
106 | } | |
107 | #else | |
108 | static inline void fdt_fill_multisername(char *sername, size_t maxlen) {} | |
109 | #endif /* CONFIG_SERIAL_MULTI */ | |
110 | ||
40777812 | 111 | static int fdt_fixup_stdout(void *fdt, int chosenoff) |
151c8b09 KG |
112 | { |
113 | int err = 0; | |
114 | #ifdef CONFIG_CONS_INDEX | |
115 | int node; | |
116 | char sername[9] = { 0 }; | |
117 | const char *path; | |
118 | ||
3e303f74 AV |
119 | fdt_fill_multisername(sername, sizeof(sername) - 1); |
120 | if (!sername[0]) | |
121 | sprintf(sername, "serial%d", CONFIG_CONS_INDEX - 1); | |
151c8b09 KG |
122 | |
123 | err = node = fdt_path_offset(fdt, "/aliases"); | |
124 | if (node >= 0) { | |
125 | int len; | |
126 | path = fdt_getprop(fdt, node, sername, &len); | |
127 | if (path) { | |
128 | char *p = malloc(len); | |
129 | err = -FDT_ERR_NOSPACE; | |
130 | if (p) { | |
131 | memcpy(p, path, len); | |
40777812 | 132 | err = fdt_setprop(fdt, chosenoff, |
151c8b09 KG |
133 | "linux,stdout-path", p, len); |
134 | free(p); | |
135 | } | |
136 | } else { | |
137 | err = len; | |
138 | } | |
139 | } | |
140 | #endif | |
141 | if (err < 0) | |
142 | printf("WARNING: could not set linux,stdout-path %s.\n", | |
143 | fdt_strerror(err)); | |
144 | ||
145 | return err; | |
146 | } | |
147 | #endif | |
148 | ||
2a1a2cb6 | 149 | int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force) |
64dbbd40 | 150 | { |
64dbbd40 | 151 | int nodeoffset; |
2a1a2cb6 KG |
152 | int err, j, total; |
153 | u32 tmp; | |
b60af3d4 | 154 | const char *path; |
2a1a2cb6 | 155 | uint64_t addr, size; |
64dbbd40 | 156 | |
2a1a2cb6 KG |
157 | /* Find the "chosen" node. */ |
158 | nodeoffset = fdt_path_offset (fdt, "/chosen"); | |
159 | ||
160 | /* If there is no "chosen" node in the blob return */ | |
161 | if (nodeoffset < 0) { | |
162 | printf("fdt_initrd: %s\n", fdt_strerror(nodeoffset)); | |
163 | return nodeoffset; | |
64dbbd40 GVB |
164 | } |
165 | ||
2a1a2cb6 KG |
166 | /* just return if initrd_start/end aren't valid */ |
167 | if ((initrd_start == 0) || (initrd_end == 0)) | |
168 | return 0; | |
c28abb9c | 169 | |
2a1a2cb6 KG |
170 | total = fdt_num_mem_rsv(fdt); |
171 | ||
172 | /* | |
173 | * Look for an existing entry and update it. If we don't find | |
174 | * the entry, we will j be the next available slot. | |
175 | */ | |
176 | for (j = 0; j < total; j++) { | |
177 | err = fdt_get_mem_rsv(fdt, j, &addr, &size); | |
178 | if (addr == initrd_start) { | |
179 | fdt_del_mem_rsv(fdt, j); | |
180 | break; | |
c28abb9c | 181 | } |
2a1a2cb6 | 182 | } |
8d04f02f | 183 | |
2a1a2cb6 KG |
184 | err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1); |
185 | if (err < 0) { | |
186 | printf("fdt_initrd: %s\n", fdt_strerror(err)); | |
187 | return err; | |
188 | } | |
189 | ||
190 | path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL); | |
191 | if ((path == NULL) || force) { | |
192 | tmp = __cpu_to_be32(initrd_start); | |
193 | err = fdt_setprop(fdt, nodeoffset, | |
194 | "linux,initrd-start", &tmp, sizeof(tmp)); | |
195 | if (err < 0) { | |
196 | printf("WARNING: " | |
197 | "could not set linux,initrd-start %s.\n", | |
198 | fdt_strerror(err)); | |
199 | return err; | |
200 | } | |
201 | tmp = __cpu_to_be32(initrd_end); | |
202 | err = fdt_setprop(fdt, nodeoffset, | |
203 | "linux,initrd-end", &tmp, sizeof(tmp)); | |
64dbbd40 | 204 | if (err < 0) { |
2a1a2cb6 KG |
205 | printf("WARNING: could not set linux,initrd-end %s.\n", |
206 | fdt_strerror(err)); | |
207 | ||
64dbbd40 GVB |
208 | return err; |
209 | } | |
210 | } | |
211 | ||
2a1a2cb6 KG |
212 | return 0; |
213 | } | |
214 | ||
56844a22 | 215 | int fdt_chosen(void *fdt, int force) |
2a1a2cb6 KG |
216 | { |
217 | int nodeoffset; | |
218 | int err; | |
219 | char *str; /* used to set string properties */ | |
220 | const char *path; | |
221 | ||
222 | err = fdt_check_header(fdt); | |
223 | if (err < 0) { | |
224 | printf("fdt_chosen: %s\n", fdt_strerror(err)); | |
225 | return err; | |
226 | } | |
227 | ||
64dbbd40 GVB |
228 | /* |
229 | * Find the "chosen" node. | |
230 | */ | |
8d04f02f | 231 | nodeoffset = fdt_path_offset (fdt, "/chosen"); |
64dbbd40 GVB |
232 | |
233 | /* | |
b60af3d4 | 234 | * If there is no "chosen" node in the blob, create it. |
64dbbd40 GVB |
235 | */ |
236 | if (nodeoffset < 0) { | |
237 | /* | |
238 | * Create a new node "/chosen" (offset 0 is root level) | |
239 | */ | |
240 | nodeoffset = fdt_add_subnode(fdt, 0, "chosen"); | |
241 | if (nodeoffset < 0) { | |
5fe6be62 | 242 | printf("WARNING: could not create /chosen %s.\n", |
35ec398f | 243 | fdt_strerror(nodeoffset)); |
64dbbd40 GVB |
244 | return nodeoffset; |
245 | } | |
246 | } | |
247 | ||
248 | /* | |
b60af3d4 GVB |
249 | * Create /chosen properites that don't exist in the fdt. |
250 | * If the property exists, update it only if the "force" parameter | |
251 | * is true. | |
64dbbd40 GVB |
252 | */ |
253 | str = getenv("bootargs"); | |
254 | if (str != NULL) { | |
b60af3d4 GVB |
255 | path = fdt_getprop(fdt, nodeoffset, "bootargs", NULL); |
256 | if ((path == NULL) || force) { | |
257 | err = fdt_setprop(fdt, nodeoffset, | |
258 | "bootargs", str, strlen(str)+1); | |
259 | if (err < 0) | |
260 | printf("WARNING: could not set bootargs %s.\n", | |
261 | fdt_strerror(err)); | |
262 | } | |
64dbbd40 | 263 | } |
2a1a2cb6 | 264 | |
151c8b09 | 265 | #ifdef CONFIG_OF_STDOUT_VIA_ALIAS |
b60af3d4 GVB |
266 | path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL); |
267 | if ((path == NULL) || force) | |
268 | err = fdt_fixup_stdout(fdt, nodeoffset); | |
151c8b09 KG |
269 | #endif |
270 | ||
64dbbd40 | 271 | #ifdef OF_STDOUT_PATH |
b60af3d4 GVB |
272 | path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL); |
273 | if ((path == NULL) || force) { | |
274 | err = fdt_setprop(fdt, nodeoffset, | |
275 | "linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1); | |
276 | if (err < 0) | |
277 | printf("WARNING: could not set linux,stdout-path %s.\n", | |
278 | fdt_strerror(err)); | |
279 | } | |
64dbbd40 GVB |
280 | #endif |
281 | ||
64dbbd40 GVB |
282 | return err; |
283 | } | |
284 | ||
e93becf8 KG |
285 | void do_fixup_by_path(void *fdt, const char *path, const char *prop, |
286 | const void *val, int len, int create) | |
287 | { | |
288 | #if defined(DEBUG) | |
289 | int i; | |
d9ad115b | 290 | debug("Updating property '%s/%s' = ", path, prop); |
e93becf8 KG |
291 | for (i = 0; i < len; i++) |
292 | debug(" %.2x", *(u8*)(val+i)); | |
293 | debug("\n"); | |
294 | #endif | |
295 | int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create); | |
296 | if (rc) | |
297 | printf("Unable to update property %s:%s, err=%s\n", | |
298 | path, prop, fdt_strerror(rc)); | |
299 | } | |
300 | ||
301 | void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, | |
302 | u32 val, int create) | |
303 | { | |
304 | val = cpu_to_fdt32(val); | |
305 | do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create); | |
306 | } | |
307 | ||
9eb77cea KG |
308 | void do_fixup_by_prop(void *fdt, |
309 | const char *pname, const void *pval, int plen, | |
310 | const char *prop, const void *val, int len, | |
311 | int create) | |
312 | { | |
313 | int off; | |
314 | #if defined(DEBUG) | |
315 | int i; | |
d9ad115b | 316 | debug("Updating property '%s' = ", prop); |
9eb77cea KG |
317 | for (i = 0; i < len; i++) |
318 | debug(" %.2x", *(u8*)(val+i)); | |
319 | debug("\n"); | |
320 | #endif | |
321 | off = fdt_node_offset_by_prop_value(fdt, -1, pname, pval, plen); | |
322 | while (off != -FDT_ERR_NOTFOUND) { | |
323 | if (create || (fdt_get_property(fdt, off, prop, 0) != NULL)) | |
324 | fdt_setprop(fdt, off, prop, val, len); | |
325 | off = fdt_node_offset_by_prop_value(fdt, off, pname, pval, plen); | |
326 | } | |
327 | } | |
328 | ||
329 | void do_fixup_by_prop_u32(void *fdt, | |
330 | const char *pname, const void *pval, int plen, | |
331 | const char *prop, u32 val, int create) | |
332 | { | |
333 | val = cpu_to_fdt32(val); | |
334 | do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create); | |
335 | } | |
336 | ||
337 | void do_fixup_by_compat(void *fdt, const char *compat, | |
338 | const char *prop, const void *val, int len, int create) | |
339 | { | |
340 | int off = -1; | |
341 | #if defined(DEBUG) | |
342 | int i; | |
d9ad115b | 343 | debug("Updating property '%s' = ", prop); |
9eb77cea KG |
344 | for (i = 0; i < len; i++) |
345 | debug(" %.2x", *(u8*)(val+i)); | |
346 | debug("\n"); | |
347 | #endif | |
348 | off = fdt_node_offset_by_compatible(fdt, -1, compat); | |
349 | while (off != -FDT_ERR_NOTFOUND) { | |
350 | if (create || (fdt_get_property(fdt, off, prop, 0) != NULL)) | |
351 | fdt_setprop(fdt, off, prop, val, len); | |
352 | off = fdt_node_offset_by_compatible(fdt, off, compat); | |
353 | } | |
354 | } | |
355 | ||
356 | void do_fixup_by_compat_u32(void *fdt, const char *compat, | |
357 | const char *prop, u32 val, int create) | |
358 | { | |
359 | val = cpu_to_fdt32(val); | |
360 | do_fixup_by_compat(fdt, compat, prop, &val, 4, create); | |
361 | } | |
362 | ||
3c927281 KG |
363 | int fdt_fixup_memory(void *blob, u64 start, u64 size) |
364 | { | |
365 | int err, nodeoffset, len = 0; | |
366 | u8 tmp[16]; | |
367 | const u32 *addrcell, *sizecell; | |
368 | ||
369 | err = fdt_check_header(blob); | |
370 | if (err < 0) { | |
371 | printf("%s: %s\n", __FUNCTION__, fdt_strerror(err)); | |
372 | return err; | |
373 | } | |
374 | ||
375 | /* update, or add and update /memory node */ | |
376 | nodeoffset = fdt_path_offset(blob, "/memory"); | |
377 | if (nodeoffset < 0) { | |
378 | nodeoffset = fdt_add_subnode(blob, 0, "memory"); | |
379 | if (nodeoffset < 0) | |
380 | printf("WARNING: could not create /memory: %s.\n", | |
381 | fdt_strerror(nodeoffset)); | |
382 | return nodeoffset; | |
383 | } | |
384 | err = fdt_setprop(blob, nodeoffset, "device_type", "memory", | |
385 | sizeof("memory")); | |
386 | if (err < 0) { | |
387 | printf("WARNING: could not set %s %s.\n", "device_type", | |
388 | fdt_strerror(err)); | |
389 | return err; | |
390 | } | |
391 | ||
392 | addrcell = fdt_getprop(blob, 0, "#address-cells", NULL); | |
393 | /* use shifts and mask to ensure endianness */ | |
394 | if ((addrcell) && (*addrcell == 2)) { | |
395 | tmp[0] = (start >> 56) & 0xff; | |
396 | tmp[1] = (start >> 48) & 0xff; | |
397 | tmp[2] = (start >> 40) & 0xff; | |
398 | tmp[3] = (start >> 32) & 0xff; | |
399 | tmp[4] = (start >> 24) & 0xff; | |
400 | tmp[5] = (start >> 16) & 0xff; | |
401 | tmp[6] = (start >> 8) & 0xff; | |
402 | tmp[7] = (start ) & 0xff; | |
403 | len = 8; | |
404 | } else { | |
405 | tmp[0] = (start >> 24) & 0xff; | |
406 | tmp[1] = (start >> 16) & 0xff; | |
407 | tmp[2] = (start >> 8) & 0xff; | |
408 | tmp[3] = (start ) & 0xff; | |
409 | len = 4; | |
410 | } | |
411 | ||
412 | sizecell = fdt_getprop(blob, 0, "#size-cells", NULL); | |
413 | /* use shifts and mask to ensure endianness */ | |
414 | if ((sizecell) && (*sizecell == 2)) { | |
415 | tmp[0+len] = (size >> 56) & 0xff; | |
416 | tmp[1+len] = (size >> 48) & 0xff; | |
417 | tmp[2+len] = (size >> 40) & 0xff; | |
418 | tmp[3+len] = (size >> 32) & 0xff; | |
419 | tmp[4+len] = (size >> 24) & 0xff; | |
420 | tmp[5+len] = (size >> 16) & 0xff; | |
421 | tmp[6+len] = (size >> 8) & 0xff; | |
422 | tmp[7+len] = (size ) & 0xff; | |
423 | len += 8; | |
424 | } else { | |
425 | tmp[0+len] = (size >> 24) & 0xff; | |
426 | tmp[1+len] = (size >> 16) & 0xff; | |
427 | tmp[2+len] = (size >> 8) & 0xff; | |
428 | tmp[3+len] = (size ) & 0xff; | |
429 | len += 4; | |
430 | } | |
431 | ||
432 | err = fdt_setprop(blob, nodeoffset, "reg", tmp, len); | |
433 | if (err < 0) { | |
434 | printf("WARNING: could not set %s %s.\n", | |
435 | "reg", fdt_strerror(err)); | |
436 | return err; | |
437 | } | |
438 | return 0; | |
439 | } | |
440 | ||
ba37aa03 | 441 | void fdt_fixup_ethernet(void *fdt) |
ab544633 | 442 | { |
ba37aa03 KG |
443 | int node, i, j; |
444 | char enet[16], *tmp, *end; | |
445 | char mac[16] = "ethaddr"; | |
ab544633 | 446 | const char *path; |
ba37aa03 | 447 | unsigned char mac_addr[6]; |
ab544633 KG |
448 | |
449 | node = fdt_path_offset(fdt, "/aliases"); | |
ba37aa03 KG |
450 | if (node < 0) |
451 | return; | |
452 | ||
453 | i = 0; | |
454 | while ((tmp = getenv(mac)) != NULL) { | |
455 | sprintf(enet, "ethernet%d", i); | |
456 | path = fdt_getprop(fdt, node, enet, NULL); | |
457 | if (!path) { | |
458 | debug("No alias for %s\n", enet); | |
459 | sprintf(mac, "eth%daddr", ++i); | |
460 | continue; | |
ab544633 | 461 | } |
ba37aa03 KG |
462 | |
463 | for (j = 0; j < 6; j++) { | |
464 | mac_addr[j] = tmp ? simple_strtoul(tmp, &end, 16) : 0; | |
465 | if (tmp) | |
466 | tmp = (*end) ? end+1 : end; | |
ab544633 | 467 | } |
ba37aa03 KG |
468 | |
469 | do_fixup_by_path(fdt, path, "mac-address", &mac_addr, 6, 0); | |
470 | do_fixup_by_path(fdt, path, "local-mac-address", | |
471 | &mac_addr, 6, 1); | |
472 | ||
473 | sprintf(mac, "eth%daddr", ++i); | |
ab544633 KG |
474 | } |
475 | } | |
18e69a35 AV |
476 | |
477 | #ifdef CONFIG_HAS_FSL_DR_USB | |
478 | void fdt_fixup_dr_usb(void *blob, bd_t *bd) | |
479 | { | |
480 | char *mode; | |
015b27b9 | 481 | char *type; |
18e69a35 | 482 | const char *compat = "fsl-usb2-dr"; |
015b27b9 AV |
483 | const char *prop_mode = "dr_mode"; |
484 | const char *prop_type = "phy_type"; | |
18e69a35 AV |
485 | int node_offset; |
486 | int err; | |
487 | ||
488 | mode = getenv("usb_dr_mode"); | |
015b27b9 AV |
489 | type = getenv("usb_phy_type"); |
490 | if (!mode && !type) | |
18e69a35 AV |
491 | return; |
492 | ||
493 | node_offset = fdt_node_offset_by_compatible(blob, 0, compat); | |
015b27b9 | 494 | if (node_offset < 0) { |
18e69a35 AV |
495 | printf("WARNING: could not find compatible node %s: %s.\n", |
496 | compat, fdt_strerror(node_offset)); | |
015b27b9 AV |
497 | return; |
498 | } | |
18e69a35 | 499 | |
015b27b9 AV |
500 | if (mode) { |
501 | err = fdt_setprop(blob, node_offset, prop_mode, mode, | |
502 | strlen(mode) + 1); | |
503 | if (err < 0) | |
504 | printf("WARNING: could not set %s for %s: %s.\n", | |
505 | prop_mode, compat, fdt_strerror(err)); | |
506 | } | |
507 | ||
508 | if (type) { | |
509 | err = fdt_setprop(blob, node_offset, prop_type, type, | |
510 | strlen(type) + 1); | |
511 | if (err < 0) | |
512 | printf("WARNING: could not set %s for %s: %s.\n", | |
513 | prop_type, compat, fdt_strerror(err)); | |
514 | } | |
18e69a35 AV |
515 | } |
516 | #endif /* CONFIG_HAS_FSL_DR_USB */ | |
6b70ffb9 | 517 | |
0f898604 | 518 | #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) |
6b70ffb9 KP |
519 | /* |
520 | * update crypto node properties to a specified revision of the SEC | |
521 | * called with sec_rev == 0 if not on an mpc8xxxE processor | |
522 | */ | |
523 | void fdt_fixup_crypto_node(void *blob, int sec_rev) | |
524 | { | |
525 | const struct sec_rev_prop { | |
526 | u32 sec_rev; | |
527 | u32 num_channels; | |
528 | u32 channel_fifo_len; | |
529 | u32 exec_units_mask; | |
530 | u32 descriptor_types_mask; | |
531 | } sec_rev_prop_list [] = { | |
532 | { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */ | |
533 | { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */ | |
534 | { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */ | |
535 | { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */ | |
536 | { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */ | |
537 | { 0x0303, 4, 24, 0x97c, 0x03ab0abf }, /* SEC 3.3 */ | |
538 | }; | |
539 | char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) * | |
540 | sizeof("fsl,secX.Y")]; | |
541 | int crypto_node, sec_idx, err; | |
542 | char *p; | |
543 | u32 val; | |
544 | ||
545 | /* locate crypto node based on lowest common compatible */ | |
546 | crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0"); | |
547 | if (crypto_node == -FDT_ERR_NOTFOUND) | |
548 | return; | |
549 | ||
550 | /* delete it if not on an E-processor */ | |
551 | if (crypto_node > 0 && !sec_rev) { | |
552 | fdt_del_node(blob, crypto_node); | |
553 | return; | |
554 | } | |
555 | ||
556 | /* else we got called for possible uprev */ | |
557 | for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++) | |
558 | if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev) | |
559 | break; | |
560 | ||
561 | if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) { | |
562 | puts("warning: unknown SEC revision number\n"); | |
563 | return; | |
564 | } | |
565 | ||
566 | val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels); | |
567 | err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4); | |
568 | if (err < 0) | |
569 | printf("WARNING: could not set crypto property: %s\n", | |
570 | fdt_strerror(err)); | |
571 | ||
572 | val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask); | |
573 | err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4); | |
574 | if (err < 0) | |
575 | printf("WARNING: could not set crypto property: %s\n", | |
576 | fdt_strerror(err)); | |
577 | ||
578 | val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask); | |
579 | err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4); | |
580 | if (err < 0) | |
581 | printf("WARNING: could not set crypto property: %s\n", | |
582 | fdt_strerror(err)); | |
583 | ||
584 | val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len); | |
585 | err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4); | |
586 | if (err < 0) | |
587 | printf("WARNING: could not set crypto property: %s\n", | |
588 | fdt_strerror(err)); | |
589 | ||
590 | val = 0; | |
591 | while (sec_idx >= 0) { | |
592 | p = compat_strlist + val; | |
593 | val += sprintf(p, "fsl,sec%d.%d", | |
594 | (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8, | |
595 | sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1; | |
596 | sec_idx--; | |
597 | } | |
598 | err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val); | |
599 | if (err < 0) | |
600 | printf("WARNING: could not set crypto property: %s\n", | |
601 | fdt_strerror(err)); | |
602 | } | |
0f898604 | 603 | #endif /* defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) */ |
3082d234 KG |
604 | |
605 | /* Resize the fdt to its actual size + a bit of padding */ | |
606 | int fdt_resize(void *blob) | |
607 | { | |
608 | int i; | |
609 | uint64_t addr, size; | |
610 | int total, ret; | |
611 | uint actualsize; | |
612 | ||
613 | if (!blob) | |
614 | return 0; | |
615 | ||
616 | total = fdt_num_mem_rsv(blob); | |
617 | for (i = 0; i < total; i++) { | |
618 | fdt_get_mem_rsv(blob, i, &addr, &size); | |
619 | if (addr == (uint64_t)(u32)blob) { | |
620 | fdt_del_mem_rsv(blob, i); | |
621 | break; | |
622 | } | |
623 | } | |
624 | ||
f242a088 PK |
625 | /* |
626 | * Calculate the actual size of the fdt | |
d535a493 KG |
627 | * plus the size needed for two fdt_add_mem_rsv, one |
628 | * for the fdt itself and one for a possible initrd | |
f242a088 | 629 | */ |
3082d234 | 630 | actualsize = fdt_off_dt_strings(blob) + |
d535a493 | 631 | fdt_size_dt_strings(blob) + 2*sizeof(struct fdt_reserve_entry); |
3082d234 KG |
632 | |
633 | /* Make it so the fdt ends on a page boundary */ | |
c088a108 | 634 | actualsize = ALIGN(actualsize + ((uint)blob & 0xfff), 0x1000); |
3082d234 KG |
635 | actualsize = actualsize - ((uint)blob & 0xfff); |
636 | ||
637 | /* Change the fdt header to reflect the correct size */ | |
638 | fdt_set_totalsize(blob, actualsize); | |
639 | ||
640 | /* Add the new reservation */ | |
641 | ret = fdt_add_mem_rsv(blob, (uint)blob, actualsize); | |
642 | if (ret < 0) | |
643 | return ret; | |
644 | ||
645 | return actualsize; | |
646 | } | |
8ab451c4 KG |
647 | |
648 | #ifdef CONFIG_PCI | |
cfd700be | 649 | #define CONFIG_SYS_PCI_NR_INBOUND_WIN 4 |
8ab451c4 KG |
650 | |
651 | #define FDT_PCI_PREFETCH (0x40000000) | |
652 | #define FDT_PCI_MEM32 (0x02000000) | |
653 | #define FDT_PCI_IO (0x01000000) | |
654 | #define FDT_PCI_MEM64 (0x03000000) | |
655 | ||
656 | int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose) { | |
657 | ||
658 | int addrcell, sizecell, len, r; | |
659 | u32 *dma_range; | |
660 | /* sized based on pci addr cells, size-cells, & address-cells */ | |
661 | u32 dma_ranges[(3 + 2 + 2) * CONFIG_SYS_PCI_NR_INBOUND_WIN]; | |
662 | ||
663 | addrcell = fdt_getprop_u32_default(blob, "/", "#address-cells", 1); | |
664 | sizecell = fdt_getprop_u32_default(blob, "/", "#size-cells", 1); | |
665 | ||
666 | dma_range = &dma_ranges[0]; | |
667 | for (r = 0; r < hose->region_count; r++) { | |
668 | u64 bus_start, phys_start, size; | |
669 | ||
ff4e66e9 KG |
670 | /* skip if !PCI_REGION_SYS_MEMORY */ |
671 | if (!(hose->regions[r].flags & PCI_REGION_SYS_MEMORY)) | |
8ab451c4 KG |
672 | continue; |
673 | ||
674 | bus_start = (u64)hose->regions[r].bus_start; | |
675 | phys_start = (u64)hose->regions[r].phys_start; | |
676 | size = (u64)hose->regions[r].size; | |
677 | ||
678 | dma_range[0] = 0; | |
cfd700be | 679 | if (size >= 0x100000000ull) |
8ab451c4 KG |
680 | dma_range[0] |= FDT_PCI_MEM64; |
681 | else | |
682 | dma_range[0] |= FDT_PCI_MEM32; | |
683 | if (hose->regions[r].flags & PCI_REGION_PREFETCH) | |
684 | dma_range[0] |= FDT_PCI_PREFETCH; | |
685 | #ifdef CONFIG_SYS_PCI_64BIT | |
686 | dma_range[1] = bus_start >> 32; | |
687 | #else | |
688 | dma_range[1] = 0; | |
689 | #endif | |
690 | dma_range[2] = bus_start & 0xffffffff; | |
691 | ||
692 | if (addrcell == 2) { | |
693 | dma_range[3] = phys_start >> 32; | |
694 | dma_range[4] = phys_start & 0xffffffff; | |
695 | } else { | |
696 | dma_range[3] = phys_start & 0xffffffff; | |
697 | } | |
698 | ||
699 | if (sizecell == 2) { | |
700 | dma_range[3 + addrcell + 0] = size >> 32; | |
701 | dma_range[3 + addrcell + 1] = size & 0xffffffff; | |
702 | } else { | |
703 | dma_range[3 + addrcell + 0] = size & 0xffffffff; | |
704 | } | |
705 | ||
706 | dma_range += (3 + addrcell + sizecell); | |
707 | } | |
708 | ||
709 | len = dma_range - &dma_ranges[0]; | |
710 | if (len) | |
711 | fdt_setprop(blob, phb_off, "dma-ranges", &dma_ranges[0], len*4); | |
712 | ||
713 | return 0; | |
714 | } | |
715 | #endif | |
30d45c0d SR |
716 | |
717 | #ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE | |
718 | /* | |
719 | * This function can be used to update the size in the "reg" property | |
720 | * of the NOR FLASH device nodes. This is necessary for boards with | |
721 | * non-fixed NOR FLASH sizes. | |
722 | */ | |
723 | int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size) | |
724 | { | |
725 | char compat[][16] = { "cfi-flash", "jedec-flash" }; | |
726 | int off; | |
727 | int len; | |
728 | struct fdt_property *prop; | |
729 | u32 *reg; | |
730 | int i; | |
731 | ||
732 | for (i = 0; i < 2; i++) { | |
733 | off = fdt_node_offset_by_compatible(blob, -1, compat[i]); | |
734 | while (off != -FDT_ERR_NOTFOUND) { | |
735 | /* | |
736 | * Found one compatible node, now check if this one | |
737 | * has the correct CS | |
738 | */ | |
739 | prop = fdt_get_property_w(blob, off, "reg", &len); | |
740 | if (prop) { | |
741 | reg = (u32 *)&prop->data[0]; | |
742 | if (reg[0] == cs) { | |
743 | reg[2] = size; | |
744 | fdt_setprop(blob, off, "reg", reg, | |
745 | 3 * sizeof(u32)); | |
746 | ||
747 | return 0; | |
748 | } | |
749 | } | |
750 | ||
751 | /* Move to next compatible node */ | |
752 | off = fdt_node_offset_by_compatible(blob, off, | |
753 | compat[i]); | |
754 | } | |
755 | } | |
756 | ||
757 | return -1; | |
758 | } | |
759 | #endif | |
3c950e2e AG |
760 | |
761 | #ifdef CONFIG_FDT_FIXUP_PARTITIONS | |
762 | #include <jffs2/load_kernel.h> | |
763 | #include <mtd_node.h> | |
764 | ||
765 | struct reg_cell { | |
766 | unsigned int r0; | |
767 | unsigned int r1; | |
768 | }; | |
769 | ||
770 | int fdt_del_subnodes(const void *blob, int parent_offset) | |
771 | { | |
772 | int off, ndepth; | |
773 | int ret; | |
774 | ||
775 | for (ndepth = 0, off = fdt_next_node(blob, parent_offset, &ndepth); | |
776 | (off >= 0) && (ndepth > 0); | |
777 | off = fdt_next_node(blob, off, &ndepth)) { | |
778 | if (ndepth == 1) { | |
779 | debug("delete %s: offset: %x\n", | |
780 | fdt_get_name(blob, off, 0), off); | |
781 | ret = fdt_del_node((void *)blob, off); | |
782 | if (ret < 0) { | |
783 | printf("Can't delete node: %s\n", | |
784 | fdt_strerror(ret)); | |
785 | return ret; | |
786 | } else { | |
787 | ndepth = 0; | |
788 | off = parent_offset; | |
789 | } | |
790 | } | |
791 | } | |
792 | return 0; | |
793 | } | |
794 | ||
795 | int fdt_increase_size(void *fdt, int add_len) | |
796 | { | |
797 | int newlen; | |
798 | ||
799 | newlen = fdt_totalsize(fdt) + add_len; | |
800 | ||
801 | /* Open in place with a new len */ | |
802 | return fdt_open_into(fdt, fdt, newlen); | |
803 | } | |
804 | ||
805 | int fdt_del_partitions(void *blob, int parent_offset) | |
806 | { | |
807 | const void *prop; | |
808 | int ndepth = 0; | |
809 | int off; | |
810 | int ret; | |
811 | ||
812 | off = fdt_next_node(blob, parent_offset, &ndepth); | |
813 | if (off > 0 && ndepth == 1) { | |
814 | prop = fdt_getprop(blob, off, "label", NULL); | |
815 | if (prop == NULL) { | |
816 | /* | |
817 | * Could not find label property, nand {}; node? | |
818 | * Check subnode, delete partitions there if any. | |
819 | */ | |
820 | return fdt_del_partitions(blob, off); | |
821 | } else { | |
822 | ret = fdt_del_subnodes(blob, parent_offset); | |
823 | if (ret < 0) { | |
824 | printf("Can't remove subnodes: %s\n", | |
825 | fdt_strerror(ret)); | |
826 | return ret; | |
827 | } | |
828 | } | |
829 | } | |
830 | return 0; | |
831 | } | |
832 | ||
833 | int fdt_node_set_part_info(void *blob, int parent_offset, | |
834 | struct mtd_device *dev) | |
835 | { | |
836 | struct list_head *pentry; | |
837 | struct part_info *part; | |
838 | struct reg_cell cell; | |
839 | int off, ndepth = 0; | |
840 | int part_num, ret; | |
841 | char buf[64]; | |
842 | ||
843 | ret = fdt_del_partitions(blob, parent_offset); | |
844 | if (ret < 0) | |
845 | return ret; | |
846 | ||
847 | /* | |
848 | * Check if it is nand {}; subnode, adjust | |
849 | * the offset in this case | |
850 | */ | |
851 | off = fdt_next_node(blob, parent_offset, &ndepth); | |
852 | if (off > 0 && ndepth == 1) | |
853 | parent_offset = off; | |
854 | ||
855 | part_num = 0; | |
856 | list_for_each_prev(pentry, &dev->parts) { | |
857 | int newoff; | |
858 | ||
859 | part = list_entry(pentry, struct part_info, link); | |
860 | ||
861 | debug("%2d: %-20s0x%08x\t0x%08x\t%d\n", | |
862 | part_num, part->name, part->size, | |
863 | part->offset, part->mask_flags); | |
864 | ||
865 | sprintf(buf, "partition@%x", part->offset); | |
866 | add_sub: | |
867 | ret = fdt_add_subnode(blob, parent_offset, buf); | |
868 | if (ret == -FDT_ERR_NOSPACE) { | |
869 | ret = fdt_increase_size(blob, 512); | |
870 | if (!ret) | |
871 | goto add_sub; | |
872 | else | |
873 | goto err_size; | |
874 | } else if (ret < 0) { | |
875 | printf("Can't add partition node: %s\n", | |
876 | fdt_strerror(ret)); | |
877 | return ret; | |
878 | } | |
879 | newoff = ret; | |
880 | ||
881 | /* Check MTD_WRITEABLE_CMD flag */ | |
882 | if (part->mask_flags & 1) { | |
883 | add_ro: | |
884 | ret = fdt_setprop(blob, newoff, "read_only", NULL, 0); | |
885 | if (ret == -FDT_ERR_NOSPACE) { | |
886 | ret = fdt_increase_size(blob, 512); | |
887 | if (!ret) | |
888 | goto add_ro; | |
889 | else | |
890 | goto err_size; | |
891 | } else if (ret < 0) | |
892 | goto err_prop; | |
893 | } | |
894 | ||
895 | cell.r0 = cpu_to_fdt32(part->offset); | |
896 | cell.r1 = cpu_to_fdt32(part->size); | |
897 | add_reg: | |
898 | ret = fdt_setprop(blob, newoff, "reg", &cell, sizeof(cell)); | |
899 | if (ret == -FDT_ERR_NOSPACE) { | |
900 | ret = fdt_increase_size(blob, 512); | |
901 | if (!ret) | |
902 | goto add_reg; | |
903 | else | |
904 | goto err_size; | |
905 | } else if (ret < 0) | |
906 | goto err_prop; | |
907 | ||
908 | add_label: | |
909 | ret = fdt_setprop_string(blob, newoff, "label", part->name); | |
910 | if (ret == -FDT_ERR_NOSPACE) { | |
911 | ret = fdt_increase_size(blob, 512); | |
912 | if (!ret) | |
913 | goto add_label; | |
914 | else | |
915 | goto err_size; | |
916 | } else if (ret < 0) | |
917 | goto err_prop; | |
918 | ||
919 | part_num++; | |
920 | } | |
921 | return 0; | |
922 | err_size: | |
923 | printf("Can't increase blob size: %s\n", fdt_strerror(ret)); | |
924 | return ret; | |
925 | err_prop: | |
926 | printf("Can't add property: %s\n", fdt_strerror(ret)); | |
927 | return ret; | |
928 | } | |
929 | ||
930 | /* | |
931 | * Update partitions in nor/nand nodes using info from | |
932 | * mtdparts environment variable. The nodes to update are | |
933 | * specified by node_info structure which contains mtd device | |
934 | * type and compatible string: E. g. the board code in | |
935 | * ft_board_setup() could use: | |
936 | * | |
937 | * struct node_info nodes[] = { | |
938 | * { "fsl,mpc5121-nfc", MTD_DEV_TYPE_NAND, }, | |
939 | * { "cfi-flash", MTD_DEV_TYPE_NOR, }, | |
940 | * }; | |
941 | * | |
942 | * fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); | |
943 | */ | |
944 | void fdt_fixup_mtdparts(void *blob, void *node_info, int node_info_size) | |
945 | { | |
946 | struct node_info *ni = node_info; | |
947 | struct mtd_device *dev; | |
948 | char *parts; | |
949 | int i, idx; | |
950 | int noff; | |
951 | ||
952 | parts = getenv("mtdparts"); | |
953 | if (!parts) | |
954 | return; | |
955 | ||
956 | if (mtdparts_init() != 0) | |
957 | return; | |
958 | ||
959 | for (i = 0; i < node_info_size; i++) { | |
960 | idx = 0; | |
961 | noff = fdt_node_offset_by_compatible(blob, -1, ni[i].compat); | |
962 | while (noff != -FDT_ERR_NOTFOUND) { | |
963 | debug("%s: %s, mtd dev type %d\n", | |
964 | fdt_get_name(blob, noff, 0), | |
965 | ni[i].compat, ni[i].type); | |
966 | dev = device_find(ni[i].type, idx++); | |
967 | if (dev) { | |
968 | if (fdt_node_set_part_info(blob, noff, dev)) | |
969 | return; /* return on error */ | |
970 | } | |
971 | ||
972 | /* Jump to next flash node */ | |
973 | noff = fdt_node_offset_by_compatible(blob, noff, | |
974 | ni[i].compat); | |
975 | } | |
976 | } | |
977 | } | |
978 | #endif |