Merge branch 'master' of git://git.denx.de/u-boot-arm
[platform/kernel/u-boot.git] / arch / powerpc / cpu / mpc85xx / fdt.c
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
26 #include <common.h>
27 #include <libfdt.h>
28 #include <fdt_support.h>
29 #include <asm/processor.h>
30 #include <linux/ctype.h>
31 #include <asm/io.h>
32 #include <asm/fsl_portals.h>
33 #ifdef CONFIG_FSL_ESDHC
34 #include <fsl_esdhc.h>
35 #endif
36 #include "../../../../drivers/qe/qe.h"          /* For struct qe_firmware */
37
38 DECLARE_GLOBAL_DATA_PTR;
39
40 extern void ft_qe_setup(void *blob);
41 extern void ft_fixup_num_cores(void *blob);
42 extern void ft_srio_setup(void *blob);
43
44 #ifdef CONFIG_MP
45 #include "mp.h"
46
47 void ft_fixup_cpu(void *blob, u64 memory_limit)
48 {
49         int off;
50         ulong spin_tbl_addr = get_spin_phys_addr();
51         u32 bootpg = determine_mp_bootpg();
52         u32 id = get_my_id();
53         const char *enable_method;
54
55         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
56         while (off != -FDT_ERR_NOTFOUND) {
57                 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
58
59                 if (reg) {
60                         u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
61                         val = cpu_to_fdt32(val);
62                         if (*reg == id) {
63                                 fdt_setprop_string(blob, off, "status",
64                                                                 "okay");
65                         } else {
66                                 fdt_setprop_string(blob, off, "status",
67                                                                 "disabled");
68                         }
69
70                         if (hold_cores_in_reset(0)) {
71 #ifdef CONFIG_FSL_CORENET
72                                 /* Cores held in reset, use BRR to release */
73                                 enable_method = "fsl,brr-holdoff";
74 #else
75                                 /* Cores held in reset, use EEBPCR to release */
76                                 enable_method = "fsl,eebpcr-holdoff";
77 #endif
78                         } else {
79                                 /* Cores out of reset and in a spin-loop */
80                                 enable_method = "spin-table";
81
82                                 fdt_setprop(blob, off, "cpu-release-addr",
83                                                 &val, sizeof(val));
84                         }
85
86                         fdt_setprop_string(blob, off, "enable-method",
87                                                         enable_method);
88                 } else {
89                         printf ("cpu NULL\n");
90                 }
91                 off = fdt_node_offset_by_prop_value(blob, off,
92                                 "device_type", "cpu", 4);
93         }
94
95         /* Reserve the boot page so OSes dont use it */
96         if ((u64)bootpg < memory_limit) {
97                 off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
98                 if (off < 0)
99                         printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
100         }
101 }
102 #endif
103
104 #ifdef CONFIG_SYS_FSL_CPC
105 static inline void ft_fixup_l3cache(void *blob, int off)
106 {
107         u32 line_size, num_ways, size, num_sets;
108         cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
109         u32 cfg0 = in_be32(&cpc->cpccfg0);
110
111         size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
112         num_ways = CPC_CFG0_NUM_WAYS(cfg0);
113         line_size = CPC_CFG0_LINE_SZ(cfg0);
114         num_sets = size / (line_size * num_ways);
115
116         fdt_setprop(blob, off, "cache-unified", NULL, 0);
117         fdt_setprop_cell(blob, off, "cache-block-size", line_size);
118         fdt_setprop_cell(blob, off, "cache-size", size);
119         fdt_setprop_cell(blob, off, "cache-sets", num_sets);
120         fdt_setprop_cell(blob, off, "cache-level", 3);
121 #ifdef CONFIG_SYS_CACHE_STASHING
122         fdt_setprop_cell(blob, off, "cache-stash-id", 1);
123 #endif
124 }
125 #else
126 #define ft_fixup_l3cache(x, y)
127 #endif
128
129 #if defined(CONFIG_L2_CACHE)
130 /* return size in kilobytes */
131 static inline u32 l2cache_size(void)
132 {
133         volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
134         volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
135         u32 ver = SVR_SOC_VER(get_svr());
136
137         switch (l2siz_field) {
138         case 0x0:
139                 break;
140         case 0x1:
141                 if (ver == SVR_8540 || ver == SVR_8560   ||
142                     ver == SVR_8541 || ver == SVR_8555)
143                         return 128;
144                 else
145                         return 256;
146                 break;
147         case 0x2:
148                 if (ver == SVR_8540 || ver == SVR_8560   ||
149                     ver == SVR_8541 || ver == SVR_8555)
150                         return 256;
151                 else
152                         return 512;
153                 break;
154         case 0x3:
155                 return 1024;
156                 break;
157         }
158
159         return 0;
160 }
161
162 static inline void ft_fixup_l2cache(void *blob)
163 {
164         int len, off;
165         u32 *ph;
166         struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
167
168         const u32 line_size = 32;
169         const u32 num_ways = 8;
170         const u32 size = l2cache_size() * 1024;
171         const u32 num_sets = size / (line_size * num_ways);
172
173         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
174         if (off < 0) {
175                 debug("no cpu node fount\n");
176                 return;
177         }
178
179         ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
180
181         if (ph == NULL) {
182                 debug("no next-level-cache property\n");
183                 return ;
184         }
185
186         off = fdt_node_offset_by_phandle(blob, *ph);
187         if (off < 0) {
188                 printf("%s: %s\n", __func__, fdt_strerror(off));
189                 return ;
190         }
191
192         if (cpu) {
193                 char buf[40];
194
195                 if (isdigit(cpu->name[0])) {
196                         /* MPCxxxx, where xxxx == 4-digit number */
197                         len = sprintf(buf, "fsl,mpc%s-l2-cache-controller",
198                                 cpu->name) + 1;
199                 } else {
200                         /* Pxxxx or Txxxx, where xxxx == 4-digit number */
201                         len = sprintf(buf, "fsl,%c%s-l2-cache-controller",
202                                 tolower(cpu->name[0]), cpu->name + 1) + 1;
203                 }
204
205                 /*
206                  * append "cache" after the NULL character that the previous
207                  * sprintf wrote.  This is how a device tree stores multiple
208                  * strings in a property.
209                  */
210                 len += sprintf(buf + len, "cache") + 1;
211
212                 fdt_setprop(blob, off, "compatible", buf, len);
213         }
214         fdt_setprop(blob, off, "cache-unified", NULL, 0);
215         fdt_setprop_cell(blob, off, "cache-block-size", line_size);
216         fdt_setprop_cell(blob, off, "cache-size", size);
217         fdt_setprop_cell(blob, off, "cache-sets", num_sets);
218         fdt_setprop_cell(blob, off, "cache-level", 2);
219
220         /* we dont bother w/L3 since no platform of this type has one */
221 }
222 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
223 static inline void ft_fixup_l2cache(void *blob)
224 {
225         int off, l2_off, l3_off = -1;
226         u32 *ph;
227         u32 l2cfg0 = mfspr(SPRN_L2CFG0);
228         u32 size, line_size, num_ways, num_sets;
229         int has_l2 = 1;
230
231         /* P2040/P2040E has no L2, so dont set any L2 props */
232         if (SVR_SOC_VER(get_svr()) == SVR_P2040)
233                 has_l2 = 0;
234
235         size = (l2cfg0 & 0x3fff) * 64 * 1024;
236         num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
237         line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
238         num_sets = size / (line_size * num_ways);
239
240         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
241
242         while (off != -FDT_ERR_NOTFOUND) {
243                 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
244
245                 if (ph == NULL) {
246                         debug("no next-level-cache property\n");
247                         goto next;
248                 }
249
250                 l2_off = fdt_node_offset_by_phandle(blob, *ph);
251                 if (l2_off < 0) {
252                         printf("%s: %s\n", __func__, fdt_strerror(off));
253                         goto next;
254                 }
255
256                 if (has_l2) {
257 #ifdef CONFIG_SYS_CACHE_STASHING
258                         u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
259                         if (reg)
260                                 fdt_setprop_cell(blob, l2_off, "cache-stash-id",
261                                          (*reg * 2) + 32 + 1);
262 #endif
263
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
273                 if (l3_off < 0) {
274                         ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
275
276                         if (ph == NULL) {
277                                 debug("no next-level-cache property\n");
278                                 goto next;
279                         }
280                         l3_off = *ph;
281                 }
282 next:
283                 off = fdt_node_offset_by_prop_value(blob, off,
284                                 "device_type", "cpu", 4);
285         }
286         if (l3_off > 0) {
287                 l3_off = fdt_node_offset_by_phandle(blob, l3_off);
288                 if (l3_off < 0) {
289                         printf("%s: %s\n", __func__, fdt_strerror(off));
290                         return ;
291                 }
292                 ft_fixup_l3cache(blob, l3_off);
293         }
294 }
295 #else
296 #define ft_fixup_l2cache(x)
297 #endif
298
299 static inline void ft_fixup_cache(void *blob)
300 {
301         int off;
302
303         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
304
305         while (off != -FDT_ERR_NOTFOUND) {
306                 u32 l1cfg0 = mfspr(SPRN_L1CFG0);
307                 u32 l1cfg1 = mfspr(SPRN_L1CFG1);
308                 u32 isize, iline_size, inum_sets, inum_ways;
309                 u32 dsize, dline_size, dnum_sets, dnum_ways;
310
311                 /* d-side config */
312                 dsize = (l1cfg0 & 0x7ff) * 1024;
313                 dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
314                 dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
315                 dnum_sets = dsize / (dline_size * dnum_ways);
316
317                 fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
318                 fdt_setprop_cell(blob, off, "d-cache-size", dsize);
319                 fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
320
321 #ifdef CONFIG_SYS_CACHE_STASHING
322                 {
323                         u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
324                         if (reg)
325                                 fdt_setprop_cell(blob, off, "cache-stash-id",
326                                          (*reg * 2) + 32 + 0);
327                 }
328 #endif
329
330                 /* i-side config */
331                 isize = (l1cfg1 & 0x7ff) * 1024;
332                 inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
333                 iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
334                 inum_sets = isize / (iline_size * inum_ways);
335
336                 fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
337                 fdt_setprop_cell(blob, off, "i-cache-size", isize);
338                 fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
339
340                 off = fdt_node_offset_by_prop_value(blob, off,
341                                 "device_type", "cpu", 4);
342         }
343
344         ft_fixup_l2cache(blob);
345 }
346
347
348 void fdt_add_enet_stashing(void *fdt)
349 {
350         do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
351
352         do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
353
354         do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
355         do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
356         do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
357         do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
358 }
359
360 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
361 #ifdef CONFIG_SYS_DPAA_FMAN
362 static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
363                           unsigned long freq)
364 {
365         phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
366         int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
367
368         if (off >= 0) {
369                 off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
370                 if (off > 0)
371                         printf("WARNING enable to set clock-frequency "
372                                 "for %s: %s\n", compat, fdt_strerror(off));
373         }
374 }
375 #endif
376
377 static void ft_fixup_dpaa_clks(void *blob)
378 {
379         sys_info_t sysinfo;
380
381         get_sys_info(&sysinfo);
382 #ifdef CONFIG_SYS_DPAA_FMAN
383         ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
384                         sysinfo.freqFMan[0]);
385
386 #if (CONFIG_SYS_NUM_FMAN == 2)
387         ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
388                         sysinfo.freqFMan[1]);
389 #endif
390 #endif
391
392 #ifdef CONFIG_SYS_DPAA_PME
393         do_fixup_by_compat_u32(blob, "fsl,pme",
394                 "clock-frequency", sysinfo.freqPME, 1);
395 #endif
396 }
397 #else
398 #define ft_fixup_dpaa_clks(x)
399 #endif
400
401 #ifdef CONFIG_QE
402 static void ft_fixup_qe_snum(void *blob)
403 {
404         unsigned int svr;
405
406         svr = mfspr(SPRN_SVR);
407         if (SVR_SOC_VER(svr) == SVR_8569) {
408                 if(IS_SVR_REV(svr, 1, 0))
409                         do_fixup_by_compat_u32(blob, "fsl,qe",
410                                 "fsl,qe-num-snums", 46, 1);
411                 else
412                         do_fixup_by_compat_u32(blob, "fsl,qe",
413                                 "fsl,qe-num-snums", 76, 1);
414         }
415 }
416 #endif
417
418 /**
419  * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree
420  *
421  * The binding for an Fman firmware node is documented in
422  * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt.  This node contains
423  * the actual Fman firmware binary data.  The operating system is expected to
424  * be able to parse the binary data to determine any attributes it needs.
425  */
426 #ifdef CONFIG_SYS_DPAA_FMAN
427 void fdt_fixup_fman_firmware(void *blob)
428 {
429         int rc, fmnode, fwnode = -1;
430         uint32_t phandle;
431         struct qe_firmware *fmanfw;
432         const struct qe_header *hdr;
433         unsigned int length;
434         uint32_t crc;
435         const char *p;
436
437         /* The first Fman we find will contain the actual firmware. */
438         fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman");
439         if (fmnode < 0)
440                 /* Exit silently if there are no Fman devices */
441                 return;
442
443         /* If we already have a firmware node, then also exit silently. */
444         if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0)
445                 return;
446
447         /* If the environment variable is not set, then exit silently */
448         p = getenv("fman_ucode");
449         if (!p)
450                 return;
451
452         fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 0);
453         if (!fmanfw)
454                 return;
455
456         hdr = &fmanfw->header;
457         length = be32_to_cpu(hdr->length);
458
459         /* Verify the firmware. */
460         if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
461                 (hdr->magic[2] != 'F')) {
462                 printf("Data at %p is not an Fman firmware\n", fmanfw);
463                 return;
464         }
465
466         if (length > CONFIG_SYS_QE_FMAN_FW_LENGTH) {
467                 printf("Fman firmware at %p is too large (size=%u)\n",
468                        fmanfw, length);
469                 return;
470         }
471
472         length -= sizeof(u32);  /* Subtract the size of the CRC */
473         crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length));
474         if (crc != crc32_no_comp(0, (void *)fmanfw, length)) {
475                 printf("Fman firmware at %p has invalid CRC\n", fmanfw);
476                 return;
477         }
478
479         /* Increase the size of the fdt to make room for the node. */
480         rc = fdt_increase_size(blob, fmanfw->header.length);
481         if (rc < 0) {
482                 printf("Unable to make room for Fman firmware: %s\n",
483                         fdt_strerror(rc));
484                 return;
485         }
486
487         /* Create the firmware node. */
488         fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware");
489         if (fwnode < 0) {
490                 char s[64];
491                 fdt_get_path(blob, fmnode, s, sizeof(s));
492                 printf("Could not add firmware node to %s: %s\n", s,
493                        fdt_strerror(fwnode));
494                 return;
495         }
496         rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware");
497         if (rc < 0) {
498                 char s[64];
499                 fdt_get_path(blob, fwnode, s, sizeof(s));
500                 printf("Could not add compatible property to node %s: %s\n", s,
501                        fdt_strerror(rc));
502                 return;
503         }
504         phandle = fdt_create_phandle(blob, fwnode);
505         if (!phandle) {
506                 char s[64];
507                 fdt_get_path(blob, fwnode, s, sizeof(s));
508                 printf("Could not add phandle property to node %s: %s\n", s,
509                        fdt_strerror(rc));
510                 return;
511         }
512         rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length);
513         if (rc < 0) {
514                 char s[64];
515                 fdt_get_path(blob, fwnode, s, sizeof(s));
516                 printf("Could not add firmware property to node %s: %s\n", s,
517                        fdt_strerror(rc));
518                 return;
519         }
520
521         /* Find all other Fman nodes and point them to the firmware node. */
522         while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) {
523                 rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle);
524                 if (rc < 0) {
525                         char s[64];
526                         fdt_get_path(blob, fmnode, s, sizeof(s));
527                         printf("Could not add pointer property to node %s: %s\n",
528                                s, fdt_strerror(rc));
529                         return;
530                 }
531         }
532 }
533 #else
534 #define fdt_fixup_fman_firmware(x)
535 #endif
536
537 #if defined(CONFIG_PPC_P4080) || defined(CONFIG_PPC_P3060)
538 static void fdt_fixup_usb(void *fdt)
539 {
540         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
541         u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
542         int off;
543
544         off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph");
545         if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) !=
546                                 FSL_CORENET_RCWSR11_EC1_FM1_USB1)
547                 fdt_status_disabled(fdt, off);
548
549         off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr");
550         if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) !=
551                                 FSL_CORENET_RCWSR11_EC2_USB2)
552                 fdt_status_disabled(fdt, off);
553 }
554 #else
555 #define fdt_fixup_usb(x)
556 #endif
557
558 void ft_cpu_setup(void *blob, bd_t *bd)
559 {
560         int off;
561         int val;
562         sys_info_t sysinfo;
563
564         /* delete crypto node if not on an E-processor */
565         if (!IS_E_PROCESSOR(get_svr()))
566                 fdt_fixup_crypto_node(blob, 0);
567
568         fdt_fixup_ethernet(blob);
569
570         fdt_add_enet_stashing(blob);
571
572         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
573                 "timebase-frequency", get_tbclk(), 1);
574         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
575                 "bus-frequency", bd->bi_busfreq, 1);
576         get_sys_info(&sysinfo);
577         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
578         while (off != -FDT_ERR_NOTFOUND) {
579                 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
580                 val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
581                 fdt_setprop(blob, off, "clock-frequency", &val, 4);
582                 off = fdt_node_offset_by_prop_value(blob, off, "device_type",
583                                                         "cpu", 4);
584         }
585         do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
586                 "bus-frequency", bd->bi_busfreq, 1);
587
588         do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
589                 "bus-frequency", gd->lbc_clk, 1);
590         do_fixup_by_compat_u32(blob, "fsl,elbc",
591                 "bus-frequency", gd->lbc_clk, 1);
592 #ifdef CONFIG_QE
593         ft_qe_setup(blob);
594         ft_fixup_qe_snum(blob);
595 #endif
596
597         fdt_fixup_fman_firmware(blob);
598
599 #ifdef CONFIG_SYS_NS16550
600         do_fixup_by_compat_u32(blob, "ns16550",
601                 "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
602 #endif
603
604 #ifdef CONFIG_CPM2
605         do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
606                 "current-speed", bd->bi_baudrate, 1);
607
608         do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
609                 "clock-frequency", bd->bi_brgfreq, 1);
610 #endif
611
612 #ifdef CONFIG_FSL_CORENET
613         do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
614                 "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
615 #endif
616
617         fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
618
619 #ifdef CONFIG_MP
620         ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
621         ft_fixup_num_cores(blob);
622 #endif
623
624         ft_fixup_cache(blob);
625
626 #if defined(CONFIG_FSL_ESDHC)
627         fdt_fixup_esdhc(blob, bd);
628 #endif
629
630         ft_fixup_dpaa_clks(blob);
631
632 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
633         fdt_portal(blob, "fsl,bman-portal", "bman-portals",
634                         (u64)CONFIG_SYS_BMAN_MEM_PHYS,
635                         CONFIG_SYS_BMAN_MEM_SIZE);
636         fdt_fixup_bportals(blob);
637 #endif
638
639 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
640         fdt_portal(blob, "fsl,qman-portal", "qman-portals",
641                         (u64)CONFIG_SYS_QMAN_MEM_PHYS,
642                         CONFIG_SYS_QMAN_MEM_SIZE);
643
644         fdt_fixup_qportals(blob);
645 #endif
646
647 #ifdef CONFIG_SYS_SRIO
648         ft_srio_setup(blob);
649 #endif
650
651         /*
652          * system-clock = CCB clock/2
653          * Here gd->bus_clk = CCB clock
654          * We are using the system clock as 1588 Timer reference
655          * clock source select
656          */
657         do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
658                         "timer-frequency", gd->bus_clk/2, 1);
659
660         /*
661          * clock-freq should change to clock-frequency and
662          * flexcan-v1.0 should change to p1010-flexcan respectively
663          * in the future.
664          */
665         do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
666                         "clock_freq", gd->bus_clk/2, 1);
667
668         do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
669                         "clock-frequency", gd->bus_clk/2, 1);
670
671         do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan",
672                         "clock-frequency", gd->bus_clk/2, 1);
673
674         fdt_fixup_usb(blob);
675 }
676
677 /*
678  * For some CCSR devices, we only have the virtual address, not the physical
679  * address.  This is because we map CCSR as a whole, so we typically don't need
680  * a macro for the physical address of any device within CCSR.  In this case,
681  * we calculate the physical address of that device using it's the difference
682  * between the virtual address of the device and the virtual address of the
683  * beginning of CCSR.
684  */
685 #define CCSR_VIRT_TO_PHYS(x) \
686         (CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))
687
688 static void msg(const char *name, uint64_t uaddr, uint64_t daddr)
689 {
690         printf("Warning: U-Boot configured %s at address %llx,\n"
691                "but the device tree has it at %llx\n", name, uaddr, daddr);
692 }
693
694 /*
695  * Verify the device tree
696  *
697  * This function compares several CONFIG_xxx macros that contain physical
698  * addresses with the corresponding nodes in the device tree, to see if
699  * the physical addresses are all correct.  For example, if
700  * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
701  * of the first UART.  We convert this to a physical address and compare
702  * that with the physical address of the first ns16550-compatible node
703  * in the device tree.  If they don't match, then we display a warning.
704  *
705  * Returns 1 on success, 0 on failure
706  */
707 int ft_verify_fdt(void *fdt)
708 {
709         uint64_t addr = 0;
710         int aliases;
711         int off;
712
713         /* First check the CCSR base address */
714         off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
715         if (off > 0)
716                 addr = fdt_get_base_address(fdt, off);
717
718         if (!addr) {
719                 printf("Warning: could not determine base CCSR address in "
720                        "device tree\n");
721                 /* No point in checking anything else */
722                 return 0;
723         }
724
725         if (addr != CONFIG_SYS_CCSRBAR_PHYS) {
726                 msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr);
727                 /* No point in checking anything else */
728                 return 0;
729         }
730
731         /*
732          * Check some nodes via aliases.  We assume that U-Boot and the device
733          * tree enumerate the devices equally.  E.g. the first serial port in
734          * U-Boot is the same as "serial0" in the device tree.
735          */
736         aliases = fdt_path_offset(fdt, "/aliases");
737         if (aliases > 0) {
738 #ifdef CONFIG_SYS_NS16550_COM1
739                 if (!fdt_verify_alias_address(fdt, aliases, "serial0",
740                         CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
741                         return 0;
742 #endif
743
744 #ifdef CONFIG_SYS_NS16550_COM2
745                 if (!fdt_verify_alias_address(fdt, aliases, "serial1",
746                         CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
747                         return 0;
748 #endif
749         }
750
751         /*
752          * The localbus node is typically a root node, even though the lbc
753          * controller is part of CCSR.  If we were to put the lbc node under
754          * the SOC node, then the 'ranges' property in the lbc node would
755          * translate through the 'ranges' property of the parent SOC node, and
756          * we don't want that.  Since it's a separate node, it's possible for
757          * the 'reg' property to be wrong, so check it here.  For now, we
758          * only check for "fsl,elbc" nodes.
759          */
760 #ifdef CONFIG_SYS_LBC_ADDR
761         off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc");
762         if (off > 0) {
763                 const u32 *reg = fdt_getprop(fdt, off, "reg", NULL);
764                 if (reg) {
765                         uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR);
766
767                         addr = fdt_translate_address(fdt, off, reg);
768                         if (uaddr != addr) {
769                                 msg("the localbus", uaddr, addr);
770                                 return 0;
771                         }
772                 }
773         }
774 #endif
775
776         return 1;
777 }