xref: /openbmc/u-boot/arch/powerpc/cpu/mpc85xx/fdt.c (revision d9b23e26)
1 /*
2  * Copyright 2007-2011 Freescale Semiconductor, Inc.
3  *
4  * (C) Copyright 2000
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <libfdt.h>
12 #include <fdt_support.h>
13 #include <asm/processor.h>
14 #include <linux/ctype.h>
15 #include <asm/io.h>
16 #include <asm/fsl_fdt.h>
17 #include <asm/fsl_portals.h>
18 #include <hwconfig.h>
19 #ifdef CONFIG_FSL_ESDHC
20 #include <fsl_esdhc.h>
21 #endif
22 #ifdef CONFIG_SYS_DPAA_FMAN
23 #include <fsl_fman.h>
24 #endif
25 
26 DECLARE_GLOBAL_DATA_PTR;
27 
28 extern void ft_qe_setup(void *blob);
29 extern void ft_fixup_num_cores(void *blob);
30 extern void ft_srio_setup(void *blob);
31 
32 #ifdef CONFIG_MP
33 #include "mp.h"
34 
35 void ft_fixup_cpu(void *blob, u64 memory_limit)
36 {
37 	int off;
38 	phys_addr_t spin_tbl_addr = get_spin_phys_addr();
39 	u32 bootpg = determine_mp_bootpg(NULL);
40 	u32 id = get_my_id();
41 	const char *enable_method;
42 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
43 	int ret;
44 	int tdm_hwconfig_enabled = 0;
45 	char buffer[HWCONFIG_BUFFER_SIZE] = {0};
46 #endif
47 
48 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
49 	while (off != -FDT_ERR_NOTFOUND) {
50 		u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
51 
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 
64 			if (hold_cores_in_reset(0)) {
65 #ifdef CONFIG_FSL_CORENET
66 				/* Cores held in reset, use BRR to release */
67 				enable_method = "fsl,brr-holdoff";
68 #else
69 				/* Cores held in reset, use EEBPCR to release */
70 				enable_method = "fsl,eebpcr-holdoff";
71 #endif
72 			} else {
73 				/* Cores out of reset and in a spin-loop */
74 				enable_method = "spin-table";
75 
76 				fdt_setprop(blob, off, "cpu-release-addr",
77 						&val, sizeof(val));
78 			}
79 
80 			fdt_setprop_string(blob, off, "enable-method",
81 							enable_method);
82 		} else {
83 			printf ("cpu NULL\n");
84 		}
85 		off = fdt_node_offset_by_prop_value(blob, off,
86 				"device_type", "cpu", 4);
87 	}
88 
89 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
90 #define	CONFIG_MEM_HOLE_16M	0x1000000
91 	/*
92 	 * Extract hwconfig from environment.
93 	 * Search for tdm entry in hwconfig.
94 	 */
95 	ret = env_get_f("hwconfig", buffer, sizeof(buffer));
96 	if (ret > 0)
97 		tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
98 
99 	/* Reserve the memory hole created by TDM LAW, so OSes dont use it */
100 	if (tdm_hwconfig_enabled) {
101 		off = fdt_add_mem_rsv(blob, T1040_TDM_QUIRK_CCSR_BASE,
102 				      CONFIG_MEM_HOLE_16M);
103 		if (off < 0)
104 			printf("Failed  to reserve memory for tdm: %s\n",
105 			       fdt_strerror(off));
106 	}
107 #endif
108 
109 	/* Reserve the boot page so OSes dont use it */
110 	if ((u64)bootpg < memory_limit) {
111 		off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
112 		if (off < 0)
113 			printf("Failed to reserve memory for bootpg: %s\n",
114 				fdt_strerror(off));
115 	}
116 
117 #ifndef CONFIG_MPC8xxx_DISABLE_BPTR
118 	/*
119 	 * Reserve the default boot page so OSes dont use it.
120 	 * The default boot page is always mapped to bootpg above using
121 	 * boot page translation.
122 	 */
123 	if (0xfffff000ull < memory_limit) {
124 		off = fdt_add_mem_rsv(blob, 0xfffff000ull, (u64)4096);
125 		if (off < 0) {
126 			printf("Failed to reserve memory for 0xfffff000: %s\n",
127 				fdt_strerror(off));
128 		}
129 	}
130 #endif
131 
132 	/* Reserve spin table page */
133 	if (spin_tbl_addr < memory_limit) {
134 		off = fdt_add_mem_rsv(blob,
135 			(spin_tbl_addr & ~0xffful), 4096);
136 		if (off < 0)
137 			printf("Failed to reserve memory for spin table: %s\n",
138 				fdt_strerror(off));
139 	}
140 #ifdef CONFIG_DEEP_SLEEP
141 #ifdef CONFIG_SPL_MMC_BOOT
142 	off = fdt_add_mem_rsv(blob, CONFIG_SYS_MMC_U_BOOT_START,
143 		CONFIG_SYS_MMC_U_BOOT_SIZE);
144 	if (off < 0)
145 		printf("Failed to reserve memory for SD deep sleep: %s\n",
146 		       fdt_strerror(off));
147 #elif defined(CONFIG_SPL_SPI_BOOT)
148 	off = fdt_add_mem_rsv(blob, CONFIG_SYS_SPI_FLASH_U_BOOT_START,
149 		CONFIG_SYS_SPI_FLASH_U_BOOT_SIZE);
150 	if (off < 0)
151 		printf("Failed to reserve memory for SPI deep sleep: %s\n",
152 		       fdt_strerror(off));
153 #endif
154 #endif
155 }
156 #endif
157 
158 #ifdef CONFIG_SYS_FSL_CPC
159 static inline void ft_fixup_l3cache(void *blob, int off)
160 {
161 	u32 line_size, num_ways, size, num_sets;
162 	cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
163 	u32 cfg0 = in_be32(&cpc->cpccfg0);
164 
165 	size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
166 	num_ways = CPC_CFG0_NUM_WAYS(cfg0);
167 	line_size = CPC_CFG0_LINE_SZ(cfg0);
168 	num_sets = size / (line_size * num_ways);
169 
170 	fdt_setprop(blob, off, "cache-unified", NULL, 0);
171 	fdt_setprop_cell(blob, off, "cache-block-size", line_size);
172 	fdt_setprop_cell(blob, off, "cache-size", size);
173 	fdt_setprop_cell(blob, off, "cache-sets", num_sets);
174 	fdt_setprop_cell(blob, off, "cache-level", 3);
175 #ifdef CONFIG_SYS_CACHE_STASHING
176 	fdt_setprop_cell(blob, off, "cache-stash-id", 1);
177 #endif
178 }
179 #else
180 #define ft_fixup_l3cache(x, y)
181 #endif
182 
183 #if defined(CONFIG_L2_CACHE) || \
184 	defined(CONFIG_BACKSIDE_L2_CACHE) || \
185 	defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
186 static inline void ft_fixup_l2cache_compatible(void *blob, int off)
187 {
188 	int len;
189 	struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
190 
191 	if (cpu) {
192 		char buf[40];
193 
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 		/*
205 		 * append "cache" after the NULL character that the previous
206 		 * sprintf wrote.  This is how a device tree stores multiple
207 		 * strings in a property.
208 		 */
209 		len += sprintf(buf + len, "cache") + 1;
210 
211 		fdt_setprop(blob, off, "compatible", buf, len);
212 	}
213 }
214 #endif
215 
216 #if defined(CONFIG_L2_CACHE)
217 /* return size in kilobytes */
218 static inline u32 l2cache_size(void)
219 {
220 	volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
221 	volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
222 	u32 ver = SVR_SOC_VER(get_svr());
223 
224 	switch (l2siz_field) {
225 	case 0x0:
226 		break;
227 	case 0x1:
228 		if (ver == SVR_8540 || ver == SVR_8560   ||
229 		    ver == SVR_8541 || ver == SVR_8555)
230 			return 128;
231 		else
232 			return 256;
233 		break;
234 	case 0x2:
235 		if (ver == SVR_8540 || ver == SVR_8560   ||
236 		    ver == SVR_8541 || ver == SVR_8555)
237 			return 256;
238 		else
239 			return 512;
240 		break;
241 	case 0x3:
242 		return 1024;
243 		break;
244 	}
245 
246 	return 0;
247 }
248 
249 static inline void ft_fixup_l2cache(void *blob)
250 {
251 	int off;
252 	u32 *ph;
253 
254 	const u32 line_size = 32;
255 	const u32 num_ways = 8;
256 	const u32 size = l2cache_size() * 1024;
257 	const u32 num_sets = size / (line_size * num_ways);
258 
259 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
260 	if (off < 0) {
261 		debug("no cpu node fount\n");
262 		return;
263 	}
264 
265 	ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
266 
267 	if (ph == NULL) {
268 		debug("no next-level-cache property\n");
269 		return ;
270 	}
271 
272 	off = fdt_node_offset_by_phandle(blob, *ph);
273 	if (off < 0) {
274 		printf("%s: %s\n", __func__, fdt_strerror(off));
275 		return ;
276 	}
277 
278 	ft_fixup_l2cache_compatible(blob, off);
279 	fdt_setprop(blob, off, "cache-unified", NULL, 0);
280 	fdt_setprop_cell(blob, off, "cache-block-size", line_size);
281 	fdt_setprop_cell(blob, off, "cache-size", size);
282 	fdt_setprop_cell(blob, off, "cache-sets", num_sets);
283 	fdt_setprop_cell(blob, off, "cache-level", 2);
284 
285 	/* we dont bother w/L3 since no platform of this type has one */
286 }
287 #elif defined(CONFIG_BACKSIDE_L2_CACHE) || \
288 	defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
289 static inline void ft_fixup_l2cache(void *blob)
290 {
291 	int off, l2_off, l3_off = -1;
292 	u32 *ph;
293 #ifdef	CONFIG_BACKSIDE_L2_CACHE
294 	u32 l2cfg0 = mfspr(SPRN_L2CFG0);
295 #else
296 	struct ccsr_cluster_l2 *l2cache =
297 		(struct ccsr_cluster_l2 __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2);
298 	u32 l2cfg0 = in_be32(&l2cache->l2cfg0);
299 #endif
300 	u32 size, line_size, num_ways, num_sets;
301 	int has_l2 = 1;
302 
303 	/* P2040/P2040E has no L2, so dont set any L2 props */
304 	if (SVR_SOC_VER(get_svr()) == SVR_P2040)
305 		has_l2 = 0;
306 
307 	size = (l2cfg0 & 0x3fff) * 64 * 1024;
308 	num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
309 	line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
310 	num_sets = size / (line_size * num_ways);
311 
312 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
313 
314 	while (off != -FDT_ERR_NOTFOUND) {
315 		ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
316 
317 		if (ph == NULL) {
318 			debug("no next-level-cache property\n");
319 			goto next;
320 		}
321 
322 		l2_off = fdt_node_offset_by_phandle(blob, *ph);
323 		if (l2_off < 0) {
324 			printf("%s: %s\n", __func__, fdt_strerror(off));
325 			goto next;
326 		}
327 
328 		if (has_l2) {
329 #ifdef CONFIG_SYS_CACHE_STASHING
330 			u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
331 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
332 			/* Only initialize every eighth thread */
333 			if (reg && !((*reg) % 8)) {
334 				fdt_setprop_cell(blob, l2_off, "cache-stash-id",
335 						 (*reg / 4) + 32 + 1);
336 			}
337 #else
338 			if (reg) {
339 				fdt_setprop_cell(blob, l2_off, "cache-stash-id",
340 						 (*reg * 2) + 32 + 1);
341 			}
342 #endif
343 #endif
344 
345 			fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
346 			fdt_setprop_cell(blob, l2_off, "cache-block-size",
347 						line_size);
348 			fdt_setprop_cell(blob, l2_off, "cache-size", size);
349 			fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
350 			fdt_setprop_cell(blob, l2_off, "cache-level", 2);
351 			ft_fixup_l2cache_compatible(blob, l2_off);
352 		}
353 
354 		if (l3_off < 0) {
355 			ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
356 
357 			if (ph == NULL) {
358 				debug("no next-level-cache property\n");
359 				goto next;
360 			}
361 			l3_off = *ph;
362 		}
363 next:
364 		off = fdt_node_offset_by_prop_value(blob, off,
365 				"device_type", "cpu", 4);
366 	}
367 	if (l3_off > 0) {
368 		l3_off = fdt_node_offset_by_phandle(blob, l3_off);
369 		if (l3_off < 0) {
370 			printf("%s: %s\n", __func__, fdt_strerror(off));
371 			return ;
372 		}
373 		ft_fixup_l3cache(blob, l3_off);
374 	}
375 }
376 #else
377 #define ft_fixup_l2cache(x)
378 #endif
379 
380 static inline void ft_fixup_cache(void *blob)
381 {
382 	int off;
383 
384 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
385 
386 	while (off != -FDT_ERR_NOTFOUND) {
387 		u32 l1cfg0 = mfspr(SPRN_L1CFG0);
388 		u32 l1cfg1 = mfspr(SPRN_L1CFG1);
389 		u32 isize, iline_size, inum_sets, inum_ways;
390 		u32 dsize, dline_size, dnum_sets, dnum_ways;
391 
392 		/* d-side config */
393 		dsize = (l1cfg0 & 0x7ff) * 1024;
394 		dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
395 		dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
396 		dnum_sets = dsize / (dline_size * dnum_ways);
397 
398 		fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
399 		fdt_setprop_cell(blob, off, "d-cache-size", dsize);
400 		fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
401 
402 #ifdef CONFIG_SYS_CACHE_STASHING
403 		{
404 			u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
405 			if (reg)
406 				fdt_setprop_cell(blob, off, "cache-stash-id",
407 					 (*reg * 2) + 32 + 0);
408 		}
409 #endif
410 
411 		/* i-side config */
412 		isize = (l1cfg1 & 0x7ff) * 1024;
413 		inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
414 		iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
415 		inum_sets = isize / (iline_size * inum_ways);
416 
417 		fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
418 		fdt_setprop_cell(blob, off, "i-cache-size", isize);
419 		fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
420 
421 		off = fdt_node_offset_by_prop_value(blob, off,
422 				"device_type", "cpu", 4);
423 	}
424 
425 	ft_fixup_l2cache(blob);
426 }
427 
428 
429 void fdt_add_enet_stashing(void *fdt)
430 {
431 	do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
432 
433 	do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
434 
435 	do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
436 	do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
437 	do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
438 	do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
439 }
440 
441 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
442 #ifdef CONFIG_SYS_DPAA_FMAN
443 static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
444 			  unsigned long freq)
445 {
446 	phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
447 	int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
448 
449 	if (off >= 0) {
450 		off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
451 		if (off > 0)
452 			printf("WARNING enable to set clock-frequency "
453 				"for %s: %s\n", compat, fdt_strerror(off));
454 	}
455 }
456 #endif
457 
458 static void ft_fixup_dpaa_clks(void *blob)
459 {
460 	sys_info_t sysinfo;
461 
462 	get_sys_info(&sysinfo);
463 #ifdef CONFIG_SYS_DPAA_FMAN
464 	ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
465 			sysinfo.freq_fman[0]);
466 
467 #if (CONFIG_SYS_NUM_FMAN == 2)
468 	ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
469 			sysinfo.freq_fman[1]);
470 #endif
471 #endif
472 
473 #ifdef CONFIG_SYS_DPAA_QBMAN
474 	do_fixup_by_compat_u32(blob, "fsl,qman",
475 			"clock-frequency", sysinfo.freq_qman, 1);
476 #endif
477 
478 #ifdef CONFIG_SYS_DPAA_PME
479 	do_fixup_by_compat_u32(blob, "fsl,pme",
480 		"clock-frequency", sysinfo.freq_pme, 1);
481 #endif
482 }
483 #else
484 #define ft_fixup_dpaa_clks(x)
485 #endif
486 
487 #ifdef CONFIG_QE
488 static void ft_fixup_qe_snum(void *blob)
489 {
490 	unsigned int svr;
491 
492 	svr = mfspr(SPRN_SVR);
493 	if (SVR_SOC_VER(svr) == SVR_8569) {
494 		if(IS_SVR_REV(svr, 1, 0))
495 			do_fixup_by_compat_u32(blob, "fsl,qe",
496 				"fsl,qe-num-snums", 46, 1);
497 		else
498 			do_fixup_by_compat_u32(blob, "fsl,qe",
499 				"fsl,qe-num-snums", 76, 1);
500 	}
501 }
502 #endif
503 
504 #if defined(CONFIG_ARCH_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 
511 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph");
512 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) !=
513 				FSL_CORENET_RCWSR11_EC1_FM1_USB1)
514 		fdt_status_disabled(fdt, off);
515 
516 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr");
517 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) !=
518 				FSL_CORENET_RCWSR11_EC2_USB2)
519 		fdt_status_disabled(fdt, off);
520 }
521 #else
522 #define fdt_fixup_usb(x)
523 #endif
524 
525 #if defined(CONFIG_ARCH_T2080) || defined(CONFIG_ARCH_T4240) || \
526 	defined(CONFIG_ARCH_T4160)
527 void fdt_fixup_dma3(void *blob)
528 {
529 	/* the 3rd DMA is not functional if SRIO2 is chosen */
530 	int nodeoff;
531 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
532 
533 #define CONFIG_SYS_ELO3_DMA3 (0xffe000000 + 0x102300)
534 #if defined(CONFIG_ARCH_T2080)
535 	u32 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
536 				    FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
537 	srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
538 
539 	switch (srds_prtcl_s2) {
540 	case 0x29:
541 	case 0x2d:
542 	case 0x2e:
543 #elif defined(CONFIG_ARCH_T4240) || defined(CONFIG_ARCH_T4160)
544 	u32 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
545 				    FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
546 	srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
547 
548 	switch (srds_prtcl_s4) {
549 	case 6:
550 	case 8:
551 	case 14:
552 	case 16:
553 #endif
554 		nodeoff = fdt_node_offset_by_compat_reg(blob, "fsl,elo3-dma",
555 							CONFIG_SYS_ELO3_DMA3);
556 		if (nodeoff > 0)
557 			fdt_status_disabled(blob, nodeoff);
558 		else
559 			printf("WARNING: unable to disable dma3\n");
560 		break;
561 	default:
562 		break;
563 	}
564 }
565 #else
566 #define fdt_fixup_dma3(x)
567 #endif
568 
569 #if defined(CONFIG_ARCH_T1040)
570 static void fdt_fixup_l2_switch(void *blob)
571 {
572 	uchar l2swaddr[6];
573 	int node;
574 
575 	/* The l2switch node from device-tree has
576 	 * compatible string "vitesse-9953" */
577 	node = fdt_node_offset_by_compatible(blob, -1, "vitesse-9953");
578 	if (node == -FDT_ERR_NOTFOUND)
579 		/* no l2switch node has been found */
580 		return;
581 
582 	/* Get MAC address for the l2switch from "l2switchaddr"*/
583 	if (!eth_env_get_enetaddr("l2switchaddr", l2swaddr)) {
584 		printf("Warning: MAC address for l2switch not found\n");
585 		memset(l2swaddr, 0, sizeof(l2swaddr));
586 	}
587 
588 	/* Add MAC address to l2switch node */
589 	fdt_setprop(blob, node, "local-mac-address", l2swaddr,
590 		    sizeof(l2swaddr));
591 }
592 #else
593 #define fdt_fixup_l2_switch(x)
594 #endif
595 
596 void ft_cpu_setup(void *blob, bd_t *bd)
597 {
598 	int off;
599 	int val;
600 	int len;
601 	sys_info_t sysinfo;
602 
603 	/* delete crypto node if not on an E-processor */
604 	if (!IS_E_PROCESSOR(get_svr()))
605 		fdt_fixup_crypto_node(blob, 0);
606 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
607 	else {
608 		ccsr_sec_t __iomem *sec;
609 
610 		sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
611 		fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
612 	}
613 #endif
614 
615 	fdt_add_enet_stashing(blob);
616 
617 #ifndef CONFIG_FSL_TBCLK_EXTRA_DIV
618 #define CONFIG_FSL_TBCLK_EXTRA_DIV 1
619 #endif
620 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
621 		"timebase-frequency", get_tbclk() / CONFIG_FSL_TBCLK_EXTRA_DIV,
622 		1);
623 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
624 		"bus-frequency", bd->bi_busfreq, 1);
625 	get_sys_info(&sysinfo);
626 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
627 	while (off != -FDT_ERR_NOTFOUND) {
628 		u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", &len);
629 		val = cpu_to_fdt32(sysinfo.freq_processor[(*reg) / (len / 4)]);
630 		fdt_setprop(blob, off, "clock-frequency", &val, 4);
631 		off = fdt_node_offset_by_prop_value(blob, off, "device_type",
632 							"cpu", 4);
633 	}
634 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
635 		"bus-frequency", bd->bi_busfreq, 1);
636 
637 #ifdef CONFIG_QE
638 	ft_qe_setup(blob);
639 	ft_fixup_qe_snum(blob);
640 #endif
641 
642 #ifdef CONFIG_SYS_DPAA_FMAN
643 	fdt_fixup_fman_firmware(blob);
644 #endif
645 
646 #ifdef CONFIG_SYS_NS16550
647 	do_fixup_by_compat_u32(blob, "ns16550",
648 		"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
649 #endif
650 
651 #ifdef CONFIG_CPM2
652 	do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
653 		"current-speed", gd->baudrate, 1);
654 
655 	do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
656 		"clock-frequency", bd->bi_brgfreq, 1);
657 #endif
658 
659 #ifdef CONFIG_FSL_CORENET
660 	do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
661 		"clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
662 	do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-2.0",
663 		"clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
664 	do_fixup_by_compat_u32(blob, "fsl,mpic",
665 		"clock-frequency", get_bus_freq(0)/2, 1);
666 #else
667 	do_fixup_by_compat_u32(blob, "fsl,mpic",
668 		"clock-frequency", get_bus_freq(0), 1);
669 #endif
670 
671 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
672 
673 #ifdef CONFIG_MP
674 	ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
675 	ft_fixup_num_cores(blob);
676 #endif
677 
678 	ft_fixup_cache(blob);
679 
680 #if defined(CONFIG_FSL_ESDHC)
681 	fdt_fixup_esdhc(blob, bd);
682 #endif
683 
684 	ft_fixup_dpaa_clks(blob);
685 
686 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
687 	fdt_portal(blob, "fsl,bman-portal", "bman-portals",
688 			(u64)CONFIG_SYS_BMAN_MEM_PHYS,
689 			CONFIG_SYS_BMAN_MEM_SIZE);
690 	fdt_fixup_bportals(blob);
691 #endif
692 
693 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
694 	fdt_portal(blob, "fsl,qman-portal", "qman-portals",
695 			(u64)CONFIG_SYS_QMAN_MEM_PHYS,
696 			CONFIG_SYS_QMAN_MEM_SIZE);
697 
698 	fdt_fixup_qportals(blob);
699 #endif
700 
701 #ifdef CONFIG_SYS_SRIO
702 	ft_srio_setup(blob);
703 #endif
704 
705 	/*
706 	 * system-clock = CCB clock/2
707 	 * Here gd->bus_clk = CCB clock
708 	 * We are using the system clock as 1588 Timer reference
709 	 * clock source select
710 	 */
711 	do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
712 			"timer-frequency", gd->bus_clk/2, 1);
713 
714 	/*
715 	 * clock-freq should change to clock-frequency and
716 	 * flexcan-v1.0 should change to p1010-flexcan respectively
717 	 * in the future.
718 	 */
719 	do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
720 			"clock_freq", gd->bus_clk/2, 1);
721 
722 	do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
723 			"clock-frequency", gd->bus_clk/2, 1);
724 
725 	do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan",
726 			"clock-frequency", gd->bus_clk/2, 1);
727 
728 	fdt_fixup_usb(blob);
729 
730 	fdt_fixup_l2_switch(blob);
731 
732 	fdt_fixup_dma3(blob);
733 }
734 
735 /*
736  * For some CCSR devices, we only have the virtual address, not the physical
737  * address.  This is because we map CCSR as a whole, so we typically don't need
738  * a macro for the physical address of any device within CCSR.  In this case,
739  * we calculate the physical address of that device using it's the difference
740  * between the virtual address of the device and the virtual address of the
741  * beginning of CCSR.
742  */
743 #define CCSR_VIRT_TO_PHYS(x) \
744 	(CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))
745 
746 static void msg(const char *name, uint64_t uaddr, uint64_t daddr)
747 {
748 	printf("Warning: U-Boot configured %s at address %llx,\n"
749 	       "but the device tree has it at %llx\n", name, uaddr, daddr);
750 }
751 
752 /*
753  * Verify the device tree
754  *
755  * This function compares several CONFIG_xxx macros that contain physical
756  * addresses with the corresponding nodes in the device tree, to see if
757  * the physical addresses are all correct.  For example, if
758  * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
759  * of the first UART.  We convert this to a physical address and compare
760  * that with the physical address of the first ns16550-compatible node
761  * in the device tree.  If they don't match, then we display a warning.
762  *
763  * Returns 1 on success, 0 on failure
764  */
765 int ft_verify_fdt(void *fdt)
766 {
767 	uint64_t addr = 0;
768 	int aliases;
769 	int off;
770 
771 	/* First check the CCSR base address */
772 	off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
773 	if (off > 0) {
774 		int size;
775 		u32 naddr;
776 		const fdt32_t *prop;
777 
778 		naddr = fdt_address_cells(fdt, off);
779 		prop = fdt_getprop(fdt, off, "ranges", &size);
780 		addr = fdt_translate_address(fdt, off, prop + naddr);
781 	}
782 
783 	if (!addr) {
784 		printf("Warning: could not determine base CCSR address in "
785 		       "device tree\n");
786 		/* No point in checking anything else */
787 		return 0;
788 	}
789 
790 	if (addr != CONFIG_SYS_CCSRBAR_PHYS) {
791 		msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr);
792 		/* No point in checking anything else */
793 		return 0;
794 	}
795 
796 	/*
797 	 * Check some nodes via aliases.  We assume that U-Boot and the device
798 	 * tree enumerate the devices equally.  E.g. the first serial port in
799 	 * U-Boot is the same as "serial0" in the device tree.
800 	 */
801 	aliases = fdt_path_offset(fdt, "/aliases");
802 	if (aliases > 0) {
803 #ifdef CONFIG_SYS_NS16550_COM1
804 		if (!fdt_verify_alias_address(fdt, aliases, "serial0",
805 			CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
806 			return 0;
807 #endif
808 
809 #ifdef CONFIG_SYS_NS16550_COM2
810 		if (!fdt_verify_alias_address(fdt, aliases, "serial1",
811 			CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
812 			return 0;
813 #endif
814 	}
815 
816 	/*
817 	 * The localbus node is typically a root node, even though the lbc
818 	 * controller is part of CCSR.  If we were to put the lbc node under
819 	 * the SOC node, then the 'ranges' property in the lbc node would
820 	 * translate through the 'ranges' property of the parent SOC node, and
821 	 * we don't want that.  Since it's a separate node, it's possible for
822 	 * the 'reg' property to be wrong, so check it here.  For now, we
823 	 * only check for "fsl,elbc" nodes.
824 	 */
825 #ifdef CONFIG_SYS_LBC_ADDR
826 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc");
827 	if (off > 0) {
828 		const fdt32_t *reg = fdt_getprop(fdt, off, "reg", NULL);
829 		if (reg) {
830 			uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR);
831 
832 			addr = fdt_translate_address(fdt, off, reg);
833 			if (uaddr != addr) {
834 				msg("the localbus", uaddr, addr);
835 				return 0;
836 			}
837 		}
838 	}
839 #endif
840 
841 	return 1;
842 }
843 
844 void fdt_del_diu(void *blob)
845 {
846 	int nodeoff = 0;
847 
848 	while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
849 				"fsl,diu")) >= 0) {
850 		fdt_del_node(blob, nodeoff);
851 	}
852 }
853