xref: /openbmc/u-boot/arch/powerpc/cpu/mpc85xx/fdt.c (revision 5187d8dd)
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_8541_E ||
143 		    ver == SVR_8555 || ver == SVR_8555_E)
144 			return 128;
145 		else
146 			return 256;
147 		break;
148 	case 0x2:
149 		if (ver == SVR_8540 || ver == SVR_8560   ||
150 		    ver == SVR_8541 || ver == SVR_8541_E ||
151 		    ver == SVR_8555 || ver == SVR_8555_E)
152 			return 256;
153 		else
154 			return 512;
155 		break;
156 	case 0x3:
157 		return 1024;
158 		break;
159 	}
160 
161 	return 0;
162 }
163 
164 static inline void ft_fixup_l2cache(void *blob)
165 {
166 	int len, off;
167 	u32 *ph;
168 	struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
169 
170 	const u32 line_size = 32;
171 	const u32 num_ways = 8;
172 	const u32 size = l2cache_size() * 1024;
173 	const u32 num_sets = size / (line_size * num_ways);
174 
175 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
176 	if (off < 0) {
177 		debug("no cpu node fount\n");
178 		return;
179 	}
180 
181 	ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
182 
183 	if (ph == NULL) {
184 		debug("no next-level-cache property\n");
185 		return ;
186 	}
187 
188 	off = fdt_node_offset_by_phandle(blob, *ph);
189 	if (off < 0) {
190 		printf("%s: %s\n", __func__, fdt_strerror(off));
191 		return ;
192 	}
193 
194 	if (cpu) {
195 		char buf[40];
196 
197 		if (isdigit(cpu->name[0])) {
198 			/* MPCxxxx, where xxxx == 4-digit number */
199 			len = sprintf(buf, "fsl,mpc%s-l2-cache-controller",
200 				cpu->name) + 1;
201 		} else {
202 			/* Pxxxx or Txxxx, where xxxx == 4-digit number */
203 			len = sprintf(buf, "fsl,%c%s-l2-cache-controller",
204 				tolower(cpu->name[0]), cpu->name + 1) + 1;
205 		}
206 
207 		/*
208 		 * append "cache" after the NULL character that the previous
209 		 * sprintf wrote.  This is how a device tree stores multiple
210 		 * strings in a property.
211 		 */
212 		len += sprintf(buf + len, "cache") + 1;
213 
214 		fdt_setprop(blob, off, "compatible", buf, len);
215 	}
216 	fdt_setprop(blob, off, "cache-unified", NULL, 0);
217 	fdt_setprop_cell(blob, off, "cache-block-size", line_size);
218 	fdt_setprop_cell(blob, off, "cache-size", size);
219 	fdt_setprop_cell(blob, off, "cache-sets", num_sets);
220 	fdt_setprop_cell(blob, off, "cache-level", 2);
221 
222 	/* we dont bother w/L3 since no platform of this type has one */
223 }
224 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
225 static inline void ft_fixup_l2cache(void *blob)
226 {
227 	int off, l2_off, l3_off = -1;
228 	u32 *ph;
229 	u32 l2cfg0 = mfspr(SPRN_L2CFG0);
230 	u32 size, line_size, num_ways, num_sets;
231 	int has_l2 = 1;
232 
233 	/* P2040/P2040E has no L2, so dont set any L2 props */
234 	if ((SVR_SOC_VER(get_svr()) == SVR_P2040) ||
235 	    (SVR_SOC_VER(get_svr()) == SVR_P2040_E))
236 		has_l2 = 0;
237 
238 	size = (l2cfg0 & 0x3fff) * 64 * 1024;
239 	num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
240 	line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
241 	num_sets = size / (line_size * num_ways);
242 
243 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
244 
245 	while (off != -FDT_ERR_NOTFOUND) {
246 		ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
247 
248 		if (ph == NULL) {
249 			debug("no next-level-cache property\n");
250 			goto next;
251 		}
252 
253 		l2_off = fdt_node_offset_by_phandle(blob, *ph);
254 		if (l2_off < 0) {
255 			printf("%s: %s\n", __func__, fdt_strerror(off));
256 			goto next;
257 		}
258 
259 		if (has_l2) {
260 #ifdef CONFIG_SYS_CACHE_STASHING
261 			u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
262 			if (reg)
263 				fdt_setprop_cell(blob, l2_off, "cache-stash-id",
264 					 (*reg * 2) + 32 + 1);
265 #endif
266 
267 			fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
268 			fdt_setprop_cell(blob, l2_off, "cache-block-size",
269 						line_size);
270 			fdt_setprop_cell(blob, l2_off, "cache-size", size);
271 			fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
272 			fdt_setprop_cell(blob, l2_off, "cache-level", 2);
273 			fdt_setprop(blob, l2_off, "compatible", "cache", 6);
274 		}
275 
276 		if (l3_off < 0) {
277 			ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
278 
279 			if (ph == NULL) {
280 				debug("no next-level-cache property\n");
281 				goto next;
282 			}
283 			l3_off = *ph;
284 		}
285 next:
286 		off = fdt_node_offset_by_prop_value(blob, off,
287 				"device_type", "cpu", 4);
288 	}
289 	if (l3_off > 0) {
290 		l3_off = fdt_node_offset_by_phandle(blob, l3_off);
291 		if (l3_off < 0) {
292 			printf("%s: %s\n", __func__, fdt_strerror(off));
293 			return ;
294 		}
295 		ft_fixup_l3cache(blob, l3_off);
296 	}
297 }
298 #else
299 #define ft_fixup_l2cache(x)
300 #endif
301 
302 static inline void ft_fixup_cache(void *blob)
303 {
304 	int off;
305 
306 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
307 
308 	while (off != -FDT_ERR_NOTFOUND) {
309 		u32 l1cfg0 = mfspr(SPRN_L1CFG0);
310 		u32 l1cfg1 = mfspr(SPRN_L1CFG1);
311 		u32 isize, iline_size, inum_sets, inum_ways;
312 		u32 dsize, dline_size, dnum_sets, dnum_ways;
313 
314 		/* d-side config */
315 		dsize = (l1cfg0 & 0x7ff) * 1024;
316 		dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
317 		dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
318 		dnum_sets = dsize / (dline_size * dnum_ways);
319 
320 		fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
321 		fdt_setprop_cell(blob, off, "d-cache-size", dsize);
322 		fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
323 
324 #ifdef CONFIG_SYS_CACHE_STASHING
325 		{
326 			u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
327 			if (reg)
328 				fdt_setprop_cell(blob, off, "cache-stash-id",
329 					 (*reg * 2) + 32 + 0);
330 		}
331 #endif
332 
333 		/* i-side config */
334 		isize = (l1cfg1 & 0x7ff) * 1024;
335 		inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
336 		iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
337 		inum_sets = isize / (iline_size * inum_ways);
338 
339 		fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
340 		fdt_setprop_cell(blob, off, "i-cache-size", isize);
341 		fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
342 
343 		off = fdt_node_offset_by_prop_value(blob, off,
344 				"device_type", "cpu", 4);
345 	}
346 
347 	ft_fixup_l2cache(blob);
348 }
349 
350 
351 void fdt_add_enet_stashing(void *fdt)
352 {
353 	do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
354 
355 	do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
356 
357 	do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
358 	do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
359 	do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
360 	do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
361 }
362 
363 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
364 #ifdef CONFIG_SYS_DPAA_FMAN
365 static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
366 			  unsigned long freq)
367 {
368 	phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
369 	int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
370 
371 	if (off >= 0) {
372 		off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
373 		if (off > 0)
374 			printf("WARNING enable to set clock-frequency "
375 				"for %s: %s\n", compat, fdt_strerror(off));
376 	}
377 }
378 #endif
379 
380 static void ft_fixup_dpaa_clks(void *blob)
381 {
382 	sys_info_t sysinfo;
383 
384 	get_sys_info(&sysinfo);
385 #ifdef CONFIG_SYS_DPAA_FMAN
386 	ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
387 			sysinfo.freqFMan[0]);
388 
389 #if (CONFIG_SYS_NUM_FMAN == 2)
390 	ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
391 			sysinfo.freqFMan[1]);
392 #endif
393 #endif
394 
395 #ifdef CONFIG_SYS_DPAA_PME
396 	do_fixup_by_compat_u32(blob, "fsl,pme",
397 		"clock-frequency", sysinfo.freqPME, 1);
398 #endif
399 }
400 #else
401 #define ft_fixup_dpaa_clks(x)
402 #endif
403 
404 #ifdef CONFIG_QE
405 static void ft_fixup_qe_snum(void *blob)
406 {
407 	unsigned int svr;
408 
409 	svr = mfspr(SPRN_SVR);
410 	if (SVR_SOC_VER(svr) == SVR_8569_E) {
411 		if(IS_SVR_REV(svr, 1, 0))
412 			do_fixup_by_compat_u32(blob, "fsl,qe",
413 				"fsl,qe-num-snums", 46, 1);
414 		else
415 			do_fixup_by_compat_u32(blob, "fsl,qe",
416 				"fsl,qe-num-snums", 76, 1);
417 	}
418 }
419 #endif
420 
421 /**
422  * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree
423  *
424  * The binding for an Fman firmware node is documented in
425  * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt.  This node contains
426  * the actual Fman firmware binary data.  The operating system is expected to
427  * be able to parse the binary data to determine any attributes it needs.
428  */
429 #ifdef CONFIG_SYS_DPAA_FMAN
430 void fdt_fixup_fman_firmware(void *blob)
431 {
432 	int rc, fmnode, fwnode = -1;
433 	uint32_t phandle;
434 	struct qe_firmware *fmanfw;
435 	const struct qe_header *hdr;
436 	unsigned int length;
437 	uint32_t crc;
438 	const char *p;
439 
440 	/* The first Fman we find will contain the actual firmware. */
441 	fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman");
442 	if (fmnode < 0)
443 		/* Exit silently if there are no Fman devices */
444 		return;
445 
446 	/* If we already have a firmware node, then also exit silently. */
447 	if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0)
448 		return;
449 
450 	/* If the environment variable is not set, then exit silently */
451 	p = getenv("fman_ucode");
452 	if (!p)
453 		return;
454 
455 	fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 0);
456 	if (!fmanfw)
457 		return;
458 
459 	hdr = &fmanfw->header;
460 	length = be32_to_cpu(hdr->length);
461 
462 	/* Verify the firmware. */
463 	if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
464 		(hdr->magic[2] != 'F')) {
465 		printf("Data at %p is not an Fman firmware\n", fmanfw);
466 		return;
467 	}
468 
469 	if (length > CONFIG_SYS_FMAN_FW_LENGTH) {
470 		printf("Fman firmware at %p is too large (size=%u)\n",
471 		       fmanfw, length);
472 		return;
473 	}
474 
475 	length -= sizeof(u32);	/* Subtract the size of the CRC */
476 	crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length));
477 	if (crc != crc32_no_comp(0, (void *)fmanfw, length)) {
478 		printf("Fman firmware at %p has invalid CRC\n", fmanfw);
479 		return;
480 	}
481 
482 	/* Increase the size of the fdt to make room for the node. */
483 	rc = fdt_increase_size(blob, fmanfw->header.length);
484 	if (rc < 0) {
485 		printf("Unable to make room for Fman firmware: %s\n",
486 			fdt_strerror(rc));
487 		return;
488 	}
489 
490 	/* Create the firmware node. */
491 	fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware");
492 	if (fwnode < 0) {
493 		char s[64];
494 		fdt_get_path(blob, fmnode, s, sizeof(s));
495 		printf("Could not add firmware node to %s: %s\n", s,
496 		       fdt_strerror(fwnode));
497 		return;
498 	}
499 	rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware");
500 	if (rc < 0) {
501 		char s[64];
502 		fdt_get_path(blob, fwnode, s, sizeof(s));
503 		printf("Could not add compatible property to node %s: %s\n", s,
504 		       fdt_strerror(rc));
505 		return;
506 	}
507 	phandle = fdt_create_phandle(blob, fwnode);
508 	if (!phandle) {
509 		char s[64];
510 		fdt_get_path(blob, fwnode, s, sizeof(s));
511 		printf("Could not add phandle property to node %s: %s\n", s,
512 		       fdt_strerror(rc));
513 		return;
514 	}
515 	rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length);
516 	if (rc < 0) {
517 		char s[64];
518 		fdt_get_path(blob, fwnode, s, sizeof(s));
519 		printf("Could not add firmware property to node %s: %s\n", s,
520 		       fdt_strerror(rc));
521 		return;
522 	}
523 
524 	/* Find all other Fman nodes and point them to the firmware node. */
525 	while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) {
526 		rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle);
527 		if (rc < 0) {
528 			char s[64];
529 			fdt_get_path(blob, fmnode, s, sizeof(s));
530 			printf("Could not add pointer property to node %s: %s\n",
531 			       s, fdt_strerror(rc));
532 			return;
533 		}
534 	}
535 }
536 #else
537 #define fdt_fixup_fman_firmware(x)
538 #endif
539 
540 #if defined(CONFIG_PPC_P4080) || defined(CONFIG_PPC_P3060)
541 static void fdt_fixup_usb(void *fdt)
542 {
543 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
544 	u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
545 	int off;
546 
547 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph");
548 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) !=
549 				FSL_CORENET_RCWSR11_EC1_FM1_USB1)
550 		fdt_status_disabled(fdt, off);
551 
552 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr");
553 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) !=
554 				FSL_CORENET_RCWSR11_EC2_USB2)
555 		fdt_status_disabled(fdt, off);
556 }
557 #else
558 #define fdt_fixup_usb(x)
559 #endif
560 
561 void ft_cpu_setup(void *blob, bd_t *bd)
562 {
563 	int off;
564 	int val;
565 	sys_info_t sysinfo;
566 
567 	/* delete crypto node if not on an E-processor */
568 	if (!IS_E_PROCESSOR(get_svr()))
569 		fdt_fixup_crypto_node(blob, 0);
570 
571 	fdt_fixup_ethernet(blob);
572 
573 	fdt_add_enet_stashing(blob);
574 
575 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
576 		"timebase-frequency", get_tbclk(), 1);
577 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
578 		"bus-frequency", bd->bi_busfreq, 1);
579 	get_sys_info(&sysinfo);
580 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
581 	while (off != -FDT_ERR_NOTFOUND) {
582 		u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
583 		val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
584 		fdt_setprop(blob, off, "clock-frequency", &val, 4);
585 		off = fdt_node_offset_by_prop_value(blob, off, "device_type",
586 							"cpu", 4);
587 	}
588 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
589 		"bus-frequency", bd->bi_busfreq, 1);
590 
591 	do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
592 		"bus-frequency", gd->lbc_clk, 1);
593 	do_fixup_by_compat_u32(blob, "fsl,elbc",
594 		"bus-frequency", gd->lbc_clk, 1);
595 #ifdef CONFIG_QE
596 	ft_qe_setup(blob);
597 	ft_fixup_qe_snum(blob);
598 #endif
599 
600 	fdt_fixup_fman_firmware(blob);
601 
602 #ifdef CONFIG_SYS_NS16550
603 	do_fixup_by_compat_u32(blob, "ns16550",
604 		"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
605 #endif
606 
607 #ifdef CONFIG_CPM2
608 	do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
609 		"current-speed", bd->bi_baudrate, 1);
610 
611 	do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
612 		"clock-frequency", bd->bi_brgfreq, 1);
613 #endif
614 
615 #ifdef CONFIG_FSL_CORENET
616 	do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
617 		"clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
618 #endif
619 
620 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
621 
622 #ifdef CONFIG_MP
623 	ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
624 	ft_fixup_num_cores(blob);
625 #endif
626 
627 	ft_fixup_cache(blob);
628 
629 #if defined(CONFIG_FSL_ESDHC)
630 	fdt_fixup_esdhc(blob, bd);
631 #endif
632 
633 	ft_fixup_dpaa_clks(blob);
634 
635 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
636 	fdt_portal(blob, "fsl,bman-portal", "bman-portals",
637 			(u64)CONFIG_SYS_BMAN_MEM_PHYS,
638 			CONFIG_SYS_BMAN_MEM_SIZE);
639 	fdt_fixup_bportals(blob);
640 #endif
641 
642 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
643 	fdt_portal(blob, "fsl,qman-portal", "qman-portals",
644 			(u64)CONFIG_SYS_QMAN_MEM_PHYS,
645 			CONFIG_SYS_QMAN_MEM_SIZE);
646 
647 	fdt_fixup_qportals(blob);
648 #endif
649 
650 #ifdef CONFIG_SYS_SRIO
651 	ft_srio_setup(blob);
652 #endif
653 
654 	/*
655 	 * system-clock = CCB clock/2
656 	 * Here gd->bus_clk = CCB clock
657 	 * We are using the system clock as 1588 Timer reference
658 	 * clock source select
659 	 */
660 	do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
661 			"timer-frequency", gd->bus_clk/2, 1);
662 
663 	do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
664 			"clock_freq", gd->bus_clk, 1);
665 
666 	fdt_fixup_usb(blob);
667 }
668 
669 /*
670  * For some CCSR devices, we only have the virtual address, not the physical
671  * address.  This is because we map CCSR as a whole, so we typically don't need
672  * a macro for the physical address of any device within CCSR.  In this case,
673  * we calculate the physical address of that device using it's the difference
674  * between the virtual address of the device and the virtual address of the
675  * beginning of CCSR.
676  */
677 #define CCSR_VIRT_TO_PHYS(x) \
678 	(CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))
679 
680 /*
681  * Verify the device tree
682  *
683  * This function compares several CONFIG_xxx macros that contain physical
684  * addresses with the corresponding nodes in the device tree, to see if
685  * the physical addresses are all correct.  For example, if
686  * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
687  * of the first UART.  We convert this to a physical address and compare
688  * that with the physical address of the first ns16550-compatible node
689  * in the device tree.  If they don't match, then we display a warning.
690  *
691  * Returns 1 on success, 0 on failure
692  */
693 int ft_verify_fdt(void *fdt)
694 {
695 	uint64_t ccsr = 0;
696 	int aliases;
697 	int off;
698 
699 	/* First check the CCSR base address */
700 	off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
701 	if (off > 0)
702 		ccsr = fdt_get_base_address(fdt, off);
703 
704 	if (!ccsr) {
705 		printf("Warning: could not determine base CCSR address in "
706 		       "device tree\n");
707 		/* No point in checking anything else */
708 		return 0;
709 	}
710 
711 	if (ccsr != CONFIG_SYS_CCSRBAR_PHYS) {
712 		printf("Warning: U-Boot configured CCSR at address %llx,\n"
713 		       "but the device tree has it at %llx\n",
714 		       (uint64_t) CONFIG_SYS_CCSRBAR_PHYS, ccsr);
715 		/* No point in checking anything else */
716 		return 0;
717 	}
718 
719 	/*
720 	 * Get the 'aliases' node.  If there isn't one, then there's nothing
721 	 * left to do.
722 	 */
723 	aliases = fdt_path_offset(fdt, "/aliases");
724 	if (aliases > 0) {
725 #ifdef CONFIG_SYS_NS16550_COM1
726 		if (!fdt_verify_alias_address(fdt, aliases, "serial0",
727 			CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
728 			return 0;
729 #endif
730 
731 #ifdef CONFIG_SYS_NS16550_COM2
732 		if (!fdt_verify_alias_address(fdt, aliases, "serial1",
733 			CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
734 			return 0;
735 #endif
736 	}
737 
738 	return 1;
739 }
740