fdt.c 22 KB

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  1. /*
  2. * Copyright 2007-2011 Freescale Semiconductor, Inc.
  3. *
  4. * (C) Copyright 2000
  5. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  6. *
  7. * See file CREDITS for list of people who contributed to this
  8. * project.
  9. *
  10. * This program is free software; you can redistribute it and/or
  11. * modify it under the terms of the GNU General Public License as
  12. * published by the Free Software Foundation; either version 2 of
  13. * the License, or (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23. * MA 02111-1307 USA
  24. */
  25. #include <common.h>
  26. #include <libfdt.h>
  27. #include <fdt_support.h>
  28. #include <asm/processor.h>
  29. #include <linux/ctype.h>
  30. #include <asm/io.h>
  31. #include <asm/fsl_portals.h>
  32. #ifdef CONFIG_FSL_ESDHC
  33. #include <fsl_esdhc.h>
  34. #endif
  35. #include "../../../../drivers/qe/qe.h" /* For struct qe_firmware */
  36. DECLARE_GLOBAL_DATA_PTR;
  37. extern void ft_qe_setup(void *blob);
  38. extern void ft_fixup_num_cores(void *blob);
  39. extern void ft_srio_setup(void *blob);
  40. #ifdef CONFIG_MP
  41. #include "mp.h"
  42. void ft_fixup_cpu(void *blob, u64 memory_limit)
  43. {
  44. int off;
  45. phys_addr_t spin_tbl_addr = get_spin_phys_addr();
  46. u32 bootpg = determine_mp_bootpg(NULL);
  47. u32 id = get_my_id();
  48. const char *enable_method;
  49. off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
  50. while (off != -FDT_ERR_NOTFOUND) {
  51. u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
  52. if (reg) {
  53. u32 phys_cpu_id = thread_to_core(*reg);
  54. u64 val = phys_cpu_id * SIZE_BOOT_ENTRY + spin_tbl_addr;
  55. val = cpu_to_fdt64(val);
  56. if (*reg == id) {
  57. fdt_setprop_string(blob, off, "status",
  58. "okay");
  59. } else {
  60. fdt_setprop_string(blob, off, "status",
  61. "disabled");
  62. }
  63. if (hold_cores_in_reset(0)) {
  64. #ifdef CONFIG_FSL_CORENET
  65. /* Cores held in reset, use BRR to release */
  66. enable_method = "fsl,brr-holdoff";
  67. #else
  68. /* Cores held in reset, use EEBPCR to release */
  69. enable_method = "fsl,eebpcr-holdoff";
  70. #endif
  71. } else {
  72. /* Cores out of reset and in a spin-loop */
  73. enable_method = "spin-table";
  74. fdt_setprop(blob, off, "cpu-release-addr",
  75. &val, sizeof(val));
  76. }
  77. fdt_setprop_string(blob, off, "enable-method",
  78. enable_method);
  79. } else {
  80. printf ("cpu NULL\n");
  81. }
  82. off = fdt_node_offset_by_prop_value(blob, off,
  83. "device_type", "cpu", 4);
  84. }
  85. /* Reserve the boot page so OSes dont use it */
  86. if ((u64)bootpg < memory_limit) {
  87. off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
  88. if (off < 0)
  89. printf("Failed to reserve memory for bootpg: %s\n",
  90. fdt_strerror(off));
  91. }
  92. #ifndef CONFIG_MPC8xxx_DISABLE_BPTR
  93. /*
  94. * Reserve the default boot page so OSes dont use it.
  95. * The default boot page is always mapped to bootpg above using
  96. * boot page translation.
  97. */
  98. if (0xfffff000ull < memory_limit) {
  99. off = fdt_add_mem_rsv(blob, 0xfffff000ull, (u64)4096);
  100. if (off < 0) {
  101. printf("Failed to reserve memory for 0xfffff000: %s\n",
  102. fdt_strerror(off));
  103. }
  104. }
  105. #endif
  106. /* Reserve spin table page */
  107. if (spin_tbl_addr < memory_limit) {
  108. off = fdt_add_mem_rsv(blob,
  109. (spin_tbl_addr & ~0xffful), 4096);
  110. if (off < 0)
  111. printf("Failed to reserve memory for spin table: %s\n",
  112. fdt_strerror(off));
  113. }
  114. }
  115. #endif
  116. #ifdef CONFIG_SYS_FSL_CPC
  117. static inline void ft_fixup_l3cache(void *blob, int off)
  118. {
  119. u32 line_size, num_ways, size, num_sets;
  120. cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
  121. u32 cfg0 = in_be32(&cpc->cpccfg0);
  122. size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
  123. num_ways = CPC_CFG0_NUM_WAYS(cfg0);
  124. line_size = CPC_CFG0_LINE_SZ(cfg0);
  125. num_sets = size / (line_size * num_ways);
  126. fdt_setprop(blob, off, "cache-unified", NULL, 0);
  127. fdt_setprop_cell(blob, off, "cache-block-size", line_size);
  128. fdt_setprop_cell(blob, off, "cache-size", size);
  129. fdt_setprop_cell(blob, off, "cache-sets", num_sets);
  130. fdt_setprop_cell(blob, off, "cache-level", 3);
  131. #ifdef CONFIG_SYS_CACHE_STASHING
  132. fdt_setprop_cell(blob, off, "cache-stash-id", 1);
  133. #endif
  134. }
  135. #else
  136. #define ft_fixup_l3cache(x, y)
  137. #endif
  138. #if defined(CONFIG_L2_CACHE)
  139. /* return size in kilobytes */
  140. static inline u32 l2cache_size(void)
  141. {
  142. volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
  143. volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
  144. u32 ver = SVR_SOC_VER(get_svr());
  145. switch (l2siz_field) {
  146. case 0x0:
  147. break;
  148. case 0x1:
  149. if (ver == SVR_8540 || ver == SVR_8560 ||
  150. ver == SVR_8541 || ver == SVR_8555)
  151. return 128;
  152. else
  153. return 256;
  154. break;
  155. case 0x2:
  156. if (ver == SVR_8540 || ver == SVR_8560 ||
  157. ver == SVR_8541 || ver == SVR_8555)
  158. return 256;
  159. else
  160. return 512;
  161. break;
  162. case 0x3:
  163. return 1024;
  164. break;
  165. }
  166. return 0;
  167. }
  168. static inline void ft_fixup_l2cache(void *blob)
  169. {
  170. int len, off;
  171. u32 *ph;
  172. struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
  173. const u32 line_size = 32;
  174. const u32 num_ways = 8;
  175. const u32 size = l2cache_size() * 1024;
  176. const u32 num_sets = size / (line_size * num_ways);
  177. off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
  178. if (off < 0) {
  179. debug("no cpu node fount\n");
  180. return;
  181. }
  182. ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
  183. if (ph == NULL) {
  184. debug("no next-level-cache property\n");
  185. return ;
  186. }
  187. off = fdt_node_offset_by_phandle(blob, *ph);
  188. if (off < 0) {
  189. printf("%s: %s\n", __func__, fdt_strerror(off));
  190. return ;
  191. }
  192. if (cpu) {
  193. char buf[40];
  194. if (isdigit(cpu->name[0])) {
  195. /* MPCxxxx, where xxxx == 4-digit number */
  196. len = sprintf(buf, "fsl,mpc%s-l2-cache-controller",
  197. cpu->name) + 1;
  198. } else {
  199. /* Pxxxx or Txxxx, where xxxx == 4-digit number */
  200. len = sprintf(buf, "fsl,%c%s-l2-cache-controller",
  201. tolower(cpu->name[0]), cpu->name + 1) + 1;
  202. }
  203. /*
  204. * append "cache" after the NULL character that the previous
  205. * sprintf wrote. This is how a device tree stores multiple
  206. * strings in a property.
  207. */
  208. len += sprintf(buf + len, "cache") + 1;
  209. fdt_setprop(blob, off, "compatible", buf, len);
  210. }
  211. fdt_setprop(blob, off, "cache-unified", NULL, 0);
  212. fdt_setprop_cell(blob, off, "cache-block-size", line_size);
  213. fdt_setprop_cell(blob, off, "cache-size", size);
  214. fdt_setprop_cell(blob, off, "cache-sets", num_sets);
  215. fdt_setprop_cell(blob, off, "cache-level", 2);
  216. /* we dont bother w/L3 since no platform of this type has one */
  217. }
  218. #elif defined(CONFIG_BACKSIDE_L2_CACHE) || \
  219. defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
  220. static inline void ft_fixup_l2cache(void *blob)
  221. {
  222. int off, l2_off, l3_off = -1;
  223. u32 *ph;
  224. #ifdef CONFIG_BACKSIDE_L2_CACHE
  225. u32 l2cfg0 = mfspr(SPRN_L2CFG0);
  226. #else
  227. struct ccsr_cluster_l2 *l2cache =
  228. (struct ccsr_cluster_l2 __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2);
  229. u32 l2cfg0 = in_be32(&l2cache->l2cfg0);
  230. #endif
  231. u32 size, line_size, num_ways, num_sets;
  232. int has_l2 = 1;
  233. /* P2040/P2040E has no L2, so dont set any L2 props */
  234. if (SVR_SOC_VER(get_svr()) == SVR_P2040)
  235. has_l2 = 0;
  236. size = (l2cfg0 & 0x3fff) * 64 * 1024;
  237. num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
  238. line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
  239. num_sets = size / (line_size * num_ways);
  240. off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
  241. while (off != -FDT_ERR_NOTFOUND) {
  242. ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
  243. if (ph == NULL) {
  244. debug("no next-level-cache property\n");
  245. goto next;
  246. }
  247. l2_off = fdt_node_offset_by_phandle(blob, *ph);
  248. if (l2_off < 0) {
  249. printf("%s: %s\n", __func__, fdt_strerror(off));
  250. goto next;
  251. }
  252. if (has_l2) {
  253. #ifdef CONFIG_SYS_CACHE_STASHING
  254. u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
  255. #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
  256. /* Only initialize every eighth thread */
  257. if (reg && !((*reg) % 8))
  258. #else
  259. if (reg)
  260. #endif
  261. fdt_setprop_cell(blob, l2_off, "cache-stash-id",
  262. (*reg * 2) + 32 + 1);
  263. #endif
  264. fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
  265. fdt_setprop_cell(blob, l2_off, "cache-block-size",
  266. line_size);
  267. fdt_setprop_cell(blob, l2_off, "cache-size", size);
  268. fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
  269. fdt_setprop_cell(blob, l2_off, "cache-level", 2);
  270. fdt_setprop(blob, l2_off, "compatible", "cache", 6);
  271. }
  272. if (l3_off < 0) {
  273. ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
  274. if (ph == NULL) {
  275. debug("no next-level-cache property\n");
  276. goto next;
  277. }
  278. l3_off = *ph;
  279. }
  280. next:
  281. off = fdt_node_offset_by_prop_value(blob, off,
  282. "device_type", "cpu", 4);
  283. }
  284. if (l3_off > 0) {
  285. l3_off = fdt_node_offset_by_phandle(blob, l3_off);
  286. if (l3_off < 0) {
  287. printf("%s: %s\n", __func__, fdt_strerror(off));
  288. return ;
  289. }
  290. ft_fixup_l3cache(blob, l3_off);
  291. }
  292. }
  293. #else
  294. #define ft_fixup_l2cache(x)
  295. #endif
  296. static inline void ft_fixup_cache(void *blob)
  297. {
  298. int off;
  299. off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
  300. while (off != -FDT_ERR_NOTFOUND) {
  301. u32 l1cfg0 = mfspr(SPRN_L1CFG0);
  302. u32 l1cfg1 = mfspr(SPRN_L1CFG1);
  303. u32 isize, iline_size, inum_sets, inum_ways;
  304. u32 dsize, dline_size, dnum_sets, dnum_ways;
  305. /* d-side config */
  306. dsize = (l1cfg0 & 0x7ff) * 1024;
  307. dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
  308. dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
  309. dnum_sets = dsize / (dline_size * dnum_ways);
  310. fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
  311. fdt_setprop_cell(blob, off, "d-cache-size", dsize);
  312. fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
  313. #ifdef CONFIG_SYS_CACHE_STASHING
  314. {
  315. u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
  316. if (reg)
  317. fdt_setprop_cell(blob, off, "cache-stash-id",
  318. (*reg * 2) + 32 + 0);
  319. }
  320. #endif
  321. /* i-side config */
  322. isize = (l1cfg1 & 0x7ff) * 1024;
  323. inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
  324. iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
  325. inum_sets = isize / (iline_size * inum_ways);
  326. fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
  327. fdt_setprop_cell(blob, off, "i-cache-size", isize);
  328. fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
  329. off = fdt_node_offset_by_prop_value(blob, off,
  330. "device_type", "cpu", 4);
  331. }
  332. ft_fixup_l2cache(blob);
  333. }
  334. void fdt_add_enet_stashing(void *fdt)
  335. {
  336. do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
  337. do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
  338. do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
  339. do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
  340. do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
  341. do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
  342. }
  343. #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
  344. #ifdef CONFIG_SYS_DPAA_FMAN
  345. static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
  346. unsigned long freq)
  347. {
  348. phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
  349. int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
  350. if (off >= 0) {
  351. off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
  352. if (off > 0)
  353. printf("WARNING enable to set clock-frequency "
  354. "for %s: %s\n", compat, fdt_strerror(off));
  355. }
  356. }
  357. #endif
  358. static void ft_fixup_dpaa_clks(void *blob)
  359. {
  360. sys_info_t sysinfo;
  361. get_sys_info(&sysinfo);
  362. #ifdef CONFIG_SYS_DPAA_FMAN
  363. ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
  364. sysinfo.freqFMan[0]);
  365. #if (CONFIG_SYS_NUM_FMAN == 2)
  366. ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
  367. sysinfo.freqFMan[1]);
  368. #endif
  369. #endif
  370. #ifdef CONFIG_SYS_DPAA_QBMAN
  371. do_fixup_by_compat_u32(blob, "fsl,qman",
  372. "clock-frequency", sysinfo.freqQMAN, 1);
  373. #endif
  374. #ifdef CONFIG_SYS_DPAA_PME
  375. do_fixup_by_compat_u32(blob, "fsl,pme",
  376. "clock-frequency", sysinfo.freqPME, 1);
  377. #endif
  378. }
  379. #else
  380. #define ft_fixup_dpaa_clks(x)
  381. #endif
  382. #ifdef CONFIG_QE
  383. static void ft_fixup_qe_snum(void *blob)
  384. {
  385. unsigned int svr;
  386. svr = mfspr(SPRN_SVR);
  387. if (SVR_SOC_VER(svr) == SVR_8569) {
  388. if(IS_SVR_REV(svr, 1, 0))
  389. do_fixup_by_compat_u32(blob, "fsl,qe",
  390. "fsl,qe-num-snums", 46, 1);
  391. else
  392. do_fixup_by_compat_u32(blob, "fsl,qe",
  393. "fsl,qe-num-snums", 76, 1);
  394. }
  395. }
  396. #endif
  397. /**
  398. * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree
  399. *
  400. * The binding for an Fman firmware node is documented in
  401. * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt. This node contains
  402. * the actual Fman firmware binary data. The operating system is expected to
  403. * be able to parse the binary data to determine any attributes it needs.
  404. */
  405. #ifdef CONFIG_SYS_DPAA_FMAN
  406. void fdt_fixup_fman_firmware(void *blob)
  407. {
  408. int rc, fmnode, fwnode = -1;
  409. uint32_t phandle;
  410. struct qe_firmware *fmanfw;
  411. const struct qe_header *hdr;
  412. unsigned int length;
  413. uint32_t crc;
  414. const char *p;
  415. /* The first Fman we find will contain the actual firmware. */
  416. fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman");
  417. if (fmnode < 0)
  418. /* Exit silently if there are no Fman devices */
  419. return;
  420. /* If we already have a firmware node, then also exit silently. */
  421. if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0)
  422. return;
  423. /* If the environment variable is not set, then exit silently */
  424. p = getenv("fman_ucode");
  425. if (!p)
  426. return;
  427. fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 0);
  428. if (!fmanfw)
  429. return;
  430. hdr = &fmanfw->header;
  431. length = be32_to_cpu(hdr->length);
  432. /* Verify the firmware. */
  433. if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
  434. (hdr->magic[2] != 'F')) {
  435. printf("Data at %p is not an Fman firmware\n", fmanfw);
  436. return;
  437. }
  438. if (length > CONFIG_SYS_QE_FMAN_FW_LENGTH) {
  439. printf("Fman firmware at %p is too large (size=%u)\n",
  440. fmanfw, length);
  441. return;
  442. }
  443. length -= sizeof(u32); /* Subtract the size of the CRC */
  444. crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length));
  445. if (crc != crc32_no_comp(0, (void *)fmanfw, length)) {
  446. printf("Fman firmware at %p has invalid CRC\n", fmanfw);
  447. return;
  448. }
  449. /* Increase the size of the fdt to make room for the node. */
  450. rc = fdt_increase_size(blob, fmanfw->header.length);
  451. if (rc < 0) {
  452. printf("Unable to make room for Fman firmware: %s\n",
  453. fdt_strerror(rc));
  454. return;
  455. }
  456. /* Create the firmware node. */
  457. fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware");
  458. if (fwnode < 0) {
  459. char s[64];
  460. fdt_get_path(blob, fmnode, s, sizeof(s));
  461. printf("Could not add firmware node to %s: %s\n", s,
  462. fdt_strerror(fwnode));
  463. return;
  464. }
  465. rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware");
  466. if (rc < 0) {
  467. char s[64];
  468. fdt_get_path(blob, fwnode, s, sizeof(s));
  469. printf("Could not add compatible property to node %s: %s\n", s,
  470. fdt_strerror(rc));
  471. return;
  472. }
  473. phandle = fdt_create_phandle(blob, fwnode);
  474. if (!phandle) {
  475. char s[64];
  476. fdt_get_path(blob, fwnode, s, sizeof(s));
  477. printf("Could not add phandle property to node %s: %s\n", s,
  478. fdt_strerror(rc));
  479. return;
  480. }
  481. rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length);
  482. if (rc < 0) {
  483. char s[64];
  484. fdt_get_path(blob, fwnode, s, sizeof(s));
  485. printf("Could not add firmware property to node %s: %s\n", s,
  486. fdt_strerror(rc));
  487. return;
  488. }
  489. /* Find all other Fman nodes and point them to the firmware node. */
  490. while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) {
  491. rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle);
  492. if (rc < 0) {
  493. char s[64];
  494. fdt_get_path(blob, fmnode, s, sizeof(s));
  495. printf("Could not add pointer property to node %s: %s\n",
  496. s, fdt_strerror(rc));
  497. return;
  498. }
  499. }
  500. }
  501. #else
  502. #define fdt_fixup_fman_firmware(x)
  503. #endif
  504. #if defined(CONFIG_PPC_P4080)
  505. static void fdt_fixup_usb(void *fdt)
  506. {
  507. ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  508. u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
  509. int off;
  510. off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph");
  511. if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) !=
  512. FSL_CORENET_RCWSR11_EC1_FM1_USB1)
  513. fdt_status_disabled(fdt, off);
  514. off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr");
  515. if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) !=
  516. FSL_CORENET_RCWSR11_EC2_USB2)
  517. fdt_status_disabled(fdt, off);
  518. }
  519. #else
  520. #define fdt_fixup_usb(x)
  521. #endif
  522. void ft_cpu_setup(void *blob, bd_t *bd)
  523. {
  524. int off;
  525. int val;
  526. sys_info_t sysinfo;
  527. /* delete crypto node if not on an E-processor */
  528. if (!IS_E_PROCESSOR(get_svr()))
  529. fdt_fixup_crypto_node(blob, 0);
  530. fdt_fixup_ethernet(blob);
  531. fdt_add_enet_stashing(blob);
  532. do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  533. "timebase-frequency", get_tbclk(), 1);
  534. do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  535. "bus-frequency", bd->bi_busfreq, 1);
  536. get_sys_info(&sysinfo);
  537. off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
  538. while (off != -FDT_ERR_NOTFOUND) {
  539. u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
  540. val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
  541. fdt_setprop(blob, off, "clock-frequency", &val, 4);
  542. off = fdt_node_offset_by_prop_value(blob, off, "device_type",
  543. "cpu", 4);
  544. }
  545. do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
  546. "bus-frequency", bd->bi_busfreq, 1);
  547. do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
  548. "bus-frequency", gd->lbc_clk, 1);
  549. do_fixup_by_compat_u32(blob, "fsl,elbc",
  550. "bus-frequency", gd->lbc_clk, 1);
  551. #ifdef CONFIG_QE
  552. ft_qe_setup(blob);
  553. ft_fixup_qe_snum(blob);
  554. #endif
  555. fdt_fixup_fman_firmware(blob);
  556. #ifdef CONFIG_SYS_NS16550
  557. do_fixup_by_compat_u32(blob, "ns16550",
  558. "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
  559. #endif
  560. #ifdef CONFIG_CPM2
  561. do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
  562. "current-speed", bd->bi_baudrate, 1);
  563. do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
  564. "clock-frequency", bd->bi_brgfreq, 1);
  565. #endif
  566. #ifdef CONFIG_FSL_CORENET
  567. do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
  568. "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
  569. #endif
  570. fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
  571. #ifdef CONFIG_MP
  572. ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
  573. ft_fixup_num_cores(blob);
  574. #endif
  575. ft_fixup_cache(blob);
  576. #if defined(CONFIG_FSL_ESDHC)
  577. fdt_fixup_esdhc(blob, bd);
  578. #endif
  579. ft_fixup_dpaa_clks(blob);
  580. #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
  581. fdt_portal(blob, "fsl,bman-portal", "bman-portals",
  582. (u64)CONFIG_SYS_BMAN_MEM_PHYS,
  583. CONFIG_SYS_BMAN_MEM_SIZE);
  584. fdt_fixup_bportals(blob);
  585. #endif
  586. #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
  587. fdt_portal(blob, "fsl,qman-portal", "qman-portals",
  588. (u64)CONFIG_SYS_QMAN_MEM_PHYS,
  589. CONFIG_SYS_QMAN_MEM_SIZE);
  590. fdt_fixup_qportals(blob);
  591. #endif
  592. #ifdef CONFIG_SYS_SRIO
  593. ft_srio_setup(blob);
  594. #endif
  595. /*
  596. * system-clock = CCB clock/2
  597. * Here gd->bus_clk = CCB clock
  598. * We are using the system clock as 1588 Timer reference
  599. * clock source select
  600. */
  601. do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
  602. "timer-frequency", gd->bus_clk/2, 1);
  603. /*
  604. * clock-freq should change to clock-frequency and
  605. * flexcan-v1.0 should change to p1010-flexcan respectively
  606. * in the future.
  607. */
  608. do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
  609. "clock_freq", gd->bus_clk/2, 1);
  610. do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
  611. "clock-frequency", gd->bus_clk/2, 1);
  612. do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan",
  613. "clock-frequency", gd->bus_clk/2, 1);
  614. fdt_fixup_usb(blob);
  615. }
  616. /*
  617. * For some CCSR devices, we only have the virtual address, not the physical
  618. * address. This is because we map CCSR as a whole, so we typically don't need
  619. * a macro for the physical address of any device within CCSR. In this case,
  620. * we calculate the physical address of that device using it's the difference
  621. * between the virtual address of the device and the virtual address of the
  622. * beginning of CCSR.
  623. */
  624. #define CCSR_VIRT_TO_PHYS(x) \
  625. (CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))
  626. static void msg(const char *name, uint64_t uaddr, uint64_t daddr)
  627. {
  628. printf("Warning: U-Boot configured %s at address %llx,\n"
  629. "but the device tree has it at %llx\n", name, uaddr, daddr);
  630. }
  631. /*
  632. * Verify the device tree
  633. *
  634. * This function compares several CONFIG_xxx macros that contain physical
  635. * addresses with the corresponding nodes in the device tree, to see if
  636. * the physical addresses are all correct. For example, if
  637. * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
  638. * of the first UART. We convert this to a physical address and compare
  639. * that with the physical address of the first ns16550-compatible node
  640. * in the device tree. If they don't match, then we display a warning.
  641. *
  642. * Returns 1 on success, 0 on failure
  643. */
  644. int ft_verify_fdt(void *fdt)
  645. {
  646. uint64_t addr = 0;
  647. int aliases;
  648. int off;
  649. /* First check the CCSR base address */
  650. off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
  651. if (off > 0)
  652. addr = fdt_get_base_address(fdt, off);
  653. if (!addr) {
  654. printf("Warning: could not determine base CCSR address in "
  655. "device tree\n");
  656. /* No point in checking anything else */
  657. return 0;
  658. }
  659. if (addr != CONFIG_SYS_CCSRBAR_PHYS) {
  660. msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr);
  661. /* No point in checking anything else */
  662. return 0;
  663. }
  664. /*
  665. * Check some nodes via aliases. We assume that U-Boot and the device
  666. * tree enumerate the devices equally. E.g. the first serial port in
  667. * U-Boot is the same as "serial0" in the device tree.
  668. */
  669. aliases = fdt_path_offset(fdt, "/aliases");
  670. if (aliases > 0) {
  671. #ifdef CONFIG_SYS_NS16550_COM1
  672. if (!fdt_verify_alias_address(fdt, aliases, "serial0",
  673. CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
  674. return 0;
  675. #endif
  676. #ifdef CONFIG_SYS_NS16550_COM2
  677. if (!fdt_verify_alias_address(fdt, aliases, "serial1",
  678. CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
  679. return 0;
  680. #endif
  681. }
  682. /*
  683. * The localbus node is typically a root node, even though the lbc
  684. * controller is part of CCSR. If we were to put the lbc node under
  685. * the SOC node, then the 'ranges' property in the lbc node would
  686. * translate through the 'ranges' property of the parent SOC node, and
  687. * we don't want that. Since it's a separate node, it's possible for
  688. * the 'reg' property to be wrong, so check it here. For now, we
  689. * only check for "fsl,elbc" nodes.
  690. */
  691. #ifdef CONFIG_SYS_LBC_ADDR
  692. off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc");
  693. if (off > 0) {
  694. const u32 *reg = fdt_getprop(fdt, off, "reg", NULL);
  695. if (reg) {
  696. uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR);
  697. addr = fdt_translate_address(fdt, off, reg);
  698. if (uaddr != addr) {
  699. msg("the localbus", uaddr, addr);
  700. return 0;
  701. }
  702. }
  703. }
  704. #endif
  705. return 1;
  706. }