xref: /openbmc/u-boot/arch/powerpc/cpu/mpc85xx/fdt.c (revision 3ebd892f)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2007-2011 Freescale Semiconductor, Inc.
4  *
5  * (C) Copyright 2000
6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7  */
8 
9 #include <common.h>
10 #include <environment.h>
11 #include <linux/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 <fsl_qbman.h>
19 #include <hwconfig.h>
20 #ifdef CONFIG_FSL_ESDHC
21 #include <fsl_esdhc.h>
22 #endif
23 #ifdef CONFIG_SYS_DPAA_FMAN
24 #include <fsl_fman.h>
25 #endif
26 
27 DECLARE_GLOBAL_DATA_PTR;
28 
29 extern void ft_qe_setup(void *blob);
30 extern void ft_fixup_num_cores(void *blob);
31 extern void ft_srio_setup(void *blob);
32 
33 #ifdef CONFIG_MP
34 #include "mp.h"
35 
36 void ft_fixup_cpu(void *blob, u64 memory_limit)
37 {
38 	int off;
39 	phys_addr_t spin_tbl_addr = get_spin_phys_addr();
40 	u32 bootpg = determine_mp_bootpg(NULL);
41 	u32 id = get_my_id();
42 	const char *enable_method;
43 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
44 	int ret;
45 	int tdm_hwconfig_enabled = 0;
46 	char buffer[HWCONFIG_BUFFER_SIZE] = {0};
47 #endif
48 
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 
53 		if (reg) {
54 			u32 phys_cpu_id = thread_to_core(*reg);
55 			u64 val = phys_cpu_id * SIZE_BOOT_ENTRY + spin_tbl_addr;
56 			val = cpu_to_fdt64(val);
57 			if (*reg == id) {
58 				fdt_setprop_string(blob, off, "status",
59 								"okay");
60 			} else {
61 				fdt_setprop_string(blob, off, "status",
62 								"disabled");
63 			}
64 
65 			if (hold_cores_in_reset(0)) {
66 #ifdef CONFIG_FSL_CORENET
67 				/* Cores held in reset, use BRR to release */
68 				enable_method = "fsl,brr-holdoff";
69 #else
70 				/* Cores held in reset, use EEBPCR to release */
71 				enable_method = "fsl,eebpcr-holdoff";
72 #endif
73 			} else {
74 				/* Cores out of reset and in a spin-loop */
75 				enable_method = "spin-table";
76 
77 				fdt_setprop(blob, off, "cpu-release-addr",
78 						&val, sizeof(val));
79 			}
80 
81 			fdt_setprop_string(blob, off, "enable-method",
82 							enable_method);
83 		} else {
84 			printf ("cpu NULL\n");
85 		}
86 		off = fdt_node_offset_by_prop_value(blob, off,
87 				"device_type", "cpu", 4);
88 	}
89 
90 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
91 #define	CONFIG_MEM_HOLE_16M	0x1000000
92 	/*
93 	 * Extract hwconfig from environment.
94 	 * Search for tdm entry in hwconfig.
95 	 */
96 	ret = env_get_f("hwconfig", buffer, sizeof(buffer));
97 	if (ret > 0)
98 		tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
99 
100 	/* Reserve the memory hole created by TDM LAW, so OSes dont use it */
101 	if (tdm_hwconfig_enabled) {
102 		off = fdt_add_mem_rsv(blob, T1040_TDM_QUIRK_CCSR_BASE,
103 				      CONFIG_MEM_HOLE_16M);
104 		if (off < 0)
105 			printf("Failed  to reserve memory for tdm: %s\n",
106 			       fdt_strerror(off));
107 	}
108 #endif
109 
110 	/* Reserve the boot page so OSes dont use it */
111 	if ((u64)bootpg < memory_limit) {
112 		off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
113 		if (off < 0)
114 			printf("Failed to reserve memory for bootpg: %s\n",
115 				fdt_strerror(off));
116 	}
117 
118 #ifndef CONFIG_MPC8xxx_DISABLE_BPTR
119 	/*
120 	 * Reserve the default boot page so OSes dont use it.
121 	 * The default boot page is always mapped to bootpg above using
122 	 * boot page translation.
123 	 */
124 	if (0xfffff000ull < memory_limit) {
125 		off = fdt_add_mem_rsv(blob, 0xfffff000ull, (u64)4096);
126 		if (off < 0) {
127 			printf("Failed to reserve memory for 0xfffff000: %s\n",
128 				fdt_strerror(off));
129 		}
130 	}
131 #endif
132 
133 	/* Reserve spin table page */
134 	if (spin_tbl_addr < memory_limit) {
135 		off = fdt_add_mem_rsv(blob,
136 			(spin_tbl_addr & ~0xffful), 4096);
137 		if (off < 0)
138 			printf("Failed to reserve memory for spin table: %s\n",
139 				fdt_strerror(off));
140 	}
141 #ifdef CONFIG_DEEP_SLEEP
142 #ifdef CONFIG_SPL_MMC_BOOT
143 	off = fdt_add_mem_rsv(blob, CONFIG_SYS_MMC_U_BOOT_START,
144 		CONFIG_SYS_MMC_U_BOOT_SIZE);
145 	if (off < 0)
146 		printf("Failed to reserve memory for SD deep sleep: %s\n",
147 		       fdt_strerror(off));
148 #elif defined(CONFIG_SPL_SPI_BOOT)
149 	off = fdt_add_mem_rsv(blob, CONFIG_SYS_SPI_FLASH_U_BOOT_START,
150 		CONFIG_SYS_SPI_FLASH_U_BOOT_SIZE);
151 	if (off < 0)
152 		printf("Failed to reserve memory for SPI deep sleep: %s\n",
153 		       fdt_strerror(off));
154 #endif
155 #endif
156 }
157 #endif
158 
159 #ifdef CONFIG_SYS_FSL_CPC
160 static inline void ft_fixup_l3cache(void *blob, int off)
161 {
162 	u32 line_size, num_ways, size, num_sets;
163 	cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
164 	u32 cfg0 = in_be32(&cpc->cpccfg0);
165 
166 	size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
167 	num_ways = CPC_CFG0_NUM_WAYS(cfg0);
168 	line_size = CPC_CFG0_LINE_SZ(cfg0);
169 	num_sets = size / (line_size * num_ways);
170 
171 	fdt_setprop(blob, off, "cache-unified", NULL, 0);
172 	fdt_setprop_cell(blob, off, "cache-block-size", line_size);
173 	fdt_setprop_cell(blob, off, "cache-size", size);
174 	fdt_setprop_cell(blob, off, "cache-sets", num_sets);
175 	fdt_setprop_cell(blob, off, "cache-level", 3);
176 #ifdef CONFIG_SYS_CACHE_STASHING
177 	fdt_setprop_cell(blob, off, "cache-stash-id", 1);
178 #endif
179 }
180 #else
181 #define ft_fixup_l3cache(x, y)
182 #endif
183 
184 #if defined(CONFIG_L2_CACHE) || \
185 	defined(CONFIG_BACKSIDE_L2_CACHE) || \
186 	defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
187 static inline void ft_fixup_l2cache_compatible(void *blob, int off)
188 {
189 	int len;
190 	struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
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 }
215 #endif
216 
217 #if defined(CONFIG_L2_CACHE)
218 /* return size in kilobytes */
219 static inline u32 l2cache_size(void)
220 {
221 	volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
222 	volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
223 	u32 ver = SVR_SOC_VER(get_svr());
224 
225 	switch (l2siz_field) {
226 	case 0x0:
227 		break;
228 	case 0x1:
229 		if (ver == SVR_8540 || ver == SVR_8560   ||
230 		    ver == SVR_8541 || ver == SVR_8555)
231 			return 128;
232 		else
233 			return 256;
234 		break;
235 	case 0x2:
236 		if (ver == SVR_8540 || ver == SVR_8560   ||
237 		    ver == SVR_8541 || ver == SVR_8555)
238 			return 256;
239 		else
240 			return 512;
241 		break;
242 	case 0x3:
243 		return 1024;
244 		break;
245 	}
246 
247 	return 0;
248 }
249 
250 static inline void ft_fixup_l2cache(void *blob)
251 {
252 	int off;
253 	u32 *ph;
254 
255 	const u32 line_size = 32;
256 	const u32 num_ways = 8;
257 	const u32 size = l2cache_size() * 1024;
258 	const u32 num_sets = size / (line_size * num_ways);
259 
260 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
261 	if (off < 0) {
262 		debug("no cpu node fount\n");
263 		return;
264 	}
265 
266 	ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
267 
268 	if (ph == NULL) {
269 		debug("no next-level-cache property\n");
270 		return ;
271 	}
272 
273 	off = fdt_node_offset_by_phandle(blob, *ph);
274 	if (off < 0) {
275 		printf("%s: %s\n", __func__, fdt_strerror(off));
276 		return ;
277 	}
278 
279 	ft_fixup_l2cache_compatible(blob, off);
280 	fdt_setprop(blob, off, "cache-unified", NULL, 0);
281 	fdt_setprop_cell(blob, off, "cache-block-size", line_size);
282 	fdt_setprop_cell(blob, off, "cache-size", size);
283 	fdt_setprop_cell(blob, off, "cache-sets", num_sets);
284 	fdt_setprop_cell(blob, off, "cache-level", 2);
285 
286 	/* we dont bother w/L3 since no platform of this type has one */
287 }
288 #elif defined(CONFIG_BACKSIDE_L2_CACHE) || \
289 	defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
290 static inline void ft_fixup_l2cache(void *blob)
291 {
292 	int off, l2_off, l3_off = -1;
293 	u32 *ph;
294 #ifdef	CONFIG_BACKSIDE_L2_CACHE
295 	u32 l2cfg0 = mfspr(SPRN_L2CFG0);
296 #else
297 	struct ccsr_cluster_l2 *l2cache =
298 		(struct ccsr_cluster_l2 __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2);
299 	u32 l2cfg0 = in_be32(&l2cache->l2cfg0);
300 #endif
301 	u32 size, line_size, num_ways, num_sets;
302 	int has_l2 = 1;
303 
304 	/* P2040/P2040E has no L2, so dont set any L2 props */
305 	if (SVR_SOC_VER(get_svr()) == SVR_P2040)
306 		has_l2 = 0;
307 
308 	size = (l2cfg0 & 0x3fff) * 64 * 1024;
309 	num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
310 	line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
311 	num_sets = size / (line_size * num_ways);
312 
313 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
314 
315 	while (off != -FDT_ERR_NOTFOUND) {
316 		ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
317 
318 		if (ph == NULL) {
319 			debug("no next-level-cache property\n");
320 			goto next;
321 		}
322 
323 		l2_off = fdt_node_offset_by_phandle(blob, *ph);
324 		if (l2_off < 0) {
325 			printf("%s: %s\n", __func__, fdt_strerror(off));
326 			goto next;
327 		}
328 
329 		if (has_l2) {
330 #ifdef CONFIG_SYS_CACHE_STASHING
331 			u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
332 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
333 			/* Only initialize every eighth thread */
334 			if (reg && !((*reg) % 8)) {
335 				fdt_setprop_cell(blob, l2_off, "cache-stash-id",
336 						 (*reg / 4) + 32 + 1);
337 			}
338 #else
339 			if (reg) {
340 				fdt_setprop_cell(blob, l2_off, "cache-stash-id",
341 						 (*reg * 2) + 32 + 1);
342 			}
343 #endif
344 #endif
345 
346 			fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
347 			fdt_setprop_cell(blob, l2_off, "cache-block-size",
348 						line_size);
349 			fdt_setprop_cell(blob, l2_off, "cache-size", size);
350 			fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
351 			fdt_setprop_cell(blob, l2_off, "cache-level", 2);
352 			ft_fixup_l2cache_compatible(blob, l2_off);
353 		}
354 
355 		if (l3_off < 0) {
356 			ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
357 
358 			if (ph == NULL) {
359 				debug("no next-level-cache property\n");
360 				goto next;
361 			}
362 			l3_off = *ph;
363 		}
364 next:
365 		off = fdt_node_offset_by_prop_value(blob, off,
366 				"device_type", "cpu", 4);
367 	}
368 	if (l3_off > 0) {
369 		l3_off = fdt_node_offset_by_phandle(blob, l3_off);
370 		if (l3_off < 0) {
371 			printf("%s: %s\n", __func__, fdt_strerror(off));
372 			return ;
373 		}
374 		ft_fixup_l3cache(blob, l3_off);
375 	}
376 }
377 #else
378 #define ft_fixup_l2cache(x)
379 #endif
380 
381 static inline void ft_fixup_cache(void *blob)
382 {
383 	int off;
384 
385 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
386 
387 	while (off != -FDT_ERR_NOTFOUND) {
388 		u32 l1cfg0 = mfspr(SPRN_L1CFG0);
389 		u32 l1cfg1 = mfspr(SPRN_L1CFG1);
390 		u32 isize, iline_size, inum_sets, inum_ways;
391 		u32 dsize, dline_size, dnum_sets, dnum_ways;
392 
393 		/* d-side config */
394 		dsize = (l1cfg0 & 0x7ff) * 1024;
395 		dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
396 		dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
397 		dnum_sets = dsize / (dline_size * dnum_ways);
398 
399 		fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
400 		fdt_setprop_cell(blob, off, "d-cache-size", dsize);
401 		fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
402 
403 #ifdef CONFIG_SYS_CACHE_STASHING
404 		{
405 			u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
406 			if (reg)
407 				fdt_setprop_cell(blob, off, "cache-stash-id",
408 					 (*reg * 2) + 32 + 0);
409 		}
410 #endif
411 
412 		/* i-side config */
413 		isize = (l1cfg1 & 0x7ff) * 1024;
414 		inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
415 		iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
416 		inum_sets = isize / (iline_size * inum_ways);
417 
418 		fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
419 		fdt_setprop_cell(blob, off, "i-cache-size", isize);
420 		fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
421 
422 		off = fdt_node_offset_by_prop_value(blob, off,
423 				"device_type", "cpu", 4);
424 	}
425 
426 	ft_fixup_l2cache(blob);
427 }
428 
429 
430 void fdt_add_enet_stashing(void *fdt)
431 {
432 	do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
433 
434 	do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
435 
436 	do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
437 	do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
438 	do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
439 	do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
440 }
441 
442 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
443 #ifdef CONFIG_SYS_DPAA_FMAN
444 static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
445 			  unsigned long freq)
446 {
447 	phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
448 	int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
449 
450 	if (off >= 0) {
451 		off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
452 		if (off > 0)
453 			printf("WARNING enable to set clock-frequency "
454 				"for %s: %s\n", compat, fdt_strerror(off));
455 	}
456 }
457 #endif
458 
459 static void ft_fixup_dpaa_clks(void *blob)
460 {
461 	sys_info_t sysinfo;
462 
463 	get_sys_info(&sysinfo);
464 #ifdef CONFIG_SYS_DPAA_FMAN
465 	ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
466 			sysinfo.freq_fman[0]);
467 
468 #if (CONFIG_SYS_NUM_FMAN == 2)
469 	ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
470 			sysinfo.freq_fman[1]);
471 #endif
472 #endif
473 
474 #ifdef CONFIG_SYS_DPAA_QBMAN
475 	do_fixup_by_compat_u32(blob, "fsl,qman",
476 			"clock-frequency", sysinfo.freq_qman, 1);
477 #endif
478 
479 #ifdef CONFIG_SYS_DPAA_PME
480 	do_fixup_by_compat_u32(blob, "fsl,pme",
481 		"clock-frequency", sysinfo.freq_pme, 1);
482 #endif
483 }
484 #else
485 #define ft_fixup_dpaa_clks(x)
486 #endif
487 
488 #ifdef CONFIG_QE
489 static void ft_fixup_qe_snum(void *blob)
490 {
491 	unsigned int svr;
492 
493 	svr = mfspr(SPRN_SVR);
494 	if (SVR_SOC_VER(svr) == SVR_8569) {
495 		if(IS_SVR_REV(svr, 1, 0))
496 			do_fixup_by_compat_u32(blob, "fsl,qe",
497 				"fsl,qe-num-snums", 46, 1);
498 		else
499 			do_fixup_by_compat_u32(blob, "fsl,qe",
500 				"fsl,qe-num-snums", 76, 1);
501 	}
502 }
503 #endif
504 
505 #if defined(CONFIG_ARCH_P4080)
506 static void fdt_fixup_usb(void *fdt)
507 {
508 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
509 	u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
510 	int off;
511 
512 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph");
513 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) !=
514 				FSL_CORENET_RCWSR11_EC1_FM1_USB1)
515 		fdt_status_disabled(fdt, off);
516 
517 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr");
518 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) !=
519 				FSL_CORENET_RCWSR11_EC2_USB2)
520 		fdt_status_disabled(fdt, off);
521 }
522 #else
523 #define fdt_fixup_usb(x)
524 #endif
525 
526 #if defined(CONFIG_ARCH_T2080) || defined(CONFIG_ARCH_T4240) || \
527 	defined(CONFIG_ARCH_T4160)
528 void fdt_fixup_dma3(void *blob)
529 {
530 	/* the 3rd DMA is not functional if SRIO2 is chosen */
531 	int nodeoff;
532 	ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
533 
534 #define CONFIG_SYS_ELO3_DMA3 (0xffe000000 + 0x102300)
535 #if defined(CONFIG_ARCH_T2080)
536 	u32 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
537 				    FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
538 	srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
539 
540 	switch (srds_prtcl_s2) {
541 	case 0x29:
542 	case 0x2d:
543 	case 0x2e:
544 #elif defined(CONFIG_ARCH_T4240) || defined(CONFIG_ARCH_T4160)
545 	u32 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
546 				    FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
547 	srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
548 
549 	switch (srds_prtcl_s4) {
550 	case 6:
551 	case 8:
552 	case 14:
553 	case 16:
554 #endif
555 		nodeoff = fdt_node_offset_by_compat_reg(blob, "fsl,elo3-dma",
556 							CONFIG_SYS_ELO3_DMA3);
557 		if (nodeoff > 0)
558 			fdt_status_disabled(blob, nodeoff);
559 		else
560 			printf("WARNING: unable to disable dma3\n");
561 		break;
562 	default:
563 		break;
564 	}
565 }
566 #else
567 #define fdt_fixup_dma3(x)
568 #endif
569 
570 #if defined(CONFIG_ARCH_T1040)
571 static void fdt_fixup_l2_switch(void *blob)
572 {
573 	uchar l2swaddr[6];
574 	int node;
575 
576 	/* The l2switch node from device-tree has
577 	 * compatible string "vitesse-9953" */
578 	node = fdt_node_offset_by_compatible(blob, -1, "vitesse-9953");
579 	if (node == -FDT_ERR_NOTFOUND)
580 		/* no l2switch node has been found */
581 		return;
582 
583 	/* Get MAC address for the l2switch from "l2switchaddr"*/
584 	if (!eth_env_get_enetaddr("l2switchaddr", l2swaddr)) {
585 		printf("Warning: MAC address for l2switch not found\n");
586 		memset(l2swaddr, 0, sizeof(l2swaddr));
587 	}
588 
589 	/* Add MAC address to l2switch node */
590 	fdt_setprop(blob, node, "local-mac-address", l2swaddr,
591 		    sizeof(l2swaddr));
592 }
593 #else
594 #define fdt_fixup_l2_switch(x)
595 #endif
596 
597 void ft_cpu_setup(void *blob, bd_t *bd)
598 {
599 	int off;
600 	int val;
601 	int len;
602 	sys_info_t sysinfo;
603 
604 	/* delete crypto node if not on an E-processor */
605 	if (!IS_E_PROCESSOR(get_svr()))
606 		fdt_fixup_crypto_node(blob, 0);
607 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
608 	else {
609 		ccsr_sec_t __iomem *sec;
610 
611 		sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
612 		fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
613 	}
614 #endif
615 
616 	fdt_add_enet_stashing(blob);
617 
618 #ifndef CONFIG_FSL_TBCLK_EXTRA_DIV
619 #define CONFIG_FSL_TBCLK_EXTRA_DIV 1
620 #endif
621 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
622 		"timebase-frequency", get_tbclk() / CONFIG_FSL_TBCLK_EXTRA_DIV,
623 		1);
624 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
625 		"bus-frequency", bd->bi_busfreq, 1);
626 	get_sys_info(&sysinfo);
627 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
628 	while (off != -FDT_ERR_NOTFOUND) {
629 		u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", &len);
630 		val = cpu_to_fdt32(sysinfo.freq_processor[(*reg) / (len / 4)]);
631 		fdt_setprop(blob, off, "clock-frequency", &val, 4);
632 		off = fdt_node_offset_by_prop_value(blob, off, "device_type",
633 							"cpu", 4);
634 	}
635 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
636 		"bus-frequency", bd->bi_busfreq, 1);
637 
638 #ifdef CONFIG_QE
639 	ft_qe_setup(blob);
640 	ft_fixup_qe_snum(blob);
641 #endif
642 
643 #ifdef CONFIG_SYS_DPAA_FMAN
644 	fdt_fixup_fman_firmware(blob);
645 #endif
646 
647 #ifdef CONFIG_SYS_NS16550
648 	do_fixup_by_compat_u32(blob, "ns16550",
649 		"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
650 #endif
651 
652 #ifdef CONFIG_CPM2
653 	do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
654 		"current-speed", gd->baudrate, 1);
655 
656 	do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
657 		"clock-frequency", bd->bi_brgfreq, 1);
658 #endif
659 
660 #ifdef CONFIG_FSL_CORENET
661 	do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
662 		"clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
663 	do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-2.0",
664 		"clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
665 	do_fixup_by_compat_u32(blob, "fsl,mpic",
666 		"clock-frequency", get_bus_freq(0)/2, 1);
667 #else
668 	do_fixup_by_compat_u32(blob, "fsl,mpic",
669 		"clock-frequency", get_bus_freq(0), 1);
670 #endif
671 
672 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
673 
674 #ifdef CONFIG_MP
675 	ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
676 	ft_fixup_num_cores(blob);
677 #endif
678 
679 	ft_fixup_cache(blob);
680 
681 #if defined(CONFIG_FSL_ESDHC)
682 	fdt_fixup_esdhc(blob, bd);
683 #endif
684 
685 	ft_fixup_dpaa_clks(blob);
686 
687 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
688 	fdt_portal(blob, "fsl,bman-portal", "bman-portals",
689 			(u64)CONFIG_SYS_BMAN_MEM_PHYS,
690 			CONFIG_SYS_BMAN_MEM_SIZE);
691 	fdt_fixup_bportals(blob);
692 #endif
693 
694 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
695 	fdt_portal(blob, "fsl,qman-portal", "qman-portals",
696 			(u64)CONFIG_SYS_QMAN_MEM_PHYS,
697 			CONFIG_SYS_QMAN_MEM_SIZE);
698 
699 	fdt_fixup_qportals(blob);
700 #endif
701 
702 #ifdef CONFIG_SYS_SRIO
703 	ft_srio_setup(blob);
704 #endif
705 
706 	/*
707 	 * system-clock = CCB clock/2
708 	 * Here gd->bus_clk = CCB clock
709 	 * We are using the system clock as 1588 Timer reference
710 	 * clock source select
711 	 */
712 	do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
713 			"timer-frequency", gd->bus_clk/2, 1);
714 
715 	/*
716 	 * clock-freq should change to clock-frequency and
717 	 * flexcan-v1.0 should change to p1010-flexcan respectively
718 	 * in the future.
719 	 */
720 	do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
721 			"clock_freq", gd->bus_clk/2, 1);
722 
723 	do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
724 			"clock-frequency", gd->bus_clk/2, 1);
725 
726 	do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan",
727 			"clock-frequency", gd->bus_clk/2, 1);
728 
729 	fdt_fixup_usb(blob);
730 
731 	fdt_fixup_l2_switch(blob);
732 
733 	fdt_fixup_dma3(blob);
734 }
735 
736 /*
737  * For some CCSR devices, we only have the virtual address, not the physical
738  * address.  This is because we map CCSR as a whole, so we typically don't need
739  * a macro for the physical address of any device within CCSR.  In this case,
740  * we calculate the physical address of that device using it's the difference
741  * between the virtual address of the device and the virtual address of the
742  * beginning of CCSR.
743  */
744 #define CCSR_VIRT_TO_PHYS(x) \
745 	(CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))
746 
747 static void msg(const char *name, uint64_t uaddr, uint64_t daddr)
748 {
749 	printf("Warning: U-Boot configured %s at address %llx,\n"
750 	       "but the device tree has it at %llx\n", name, uaddr, daddr);
751 }
752 
753 /*
754  * Verify the device tree
755  *
756  * This function compares several CONFIG_xxx macros that contain physical
757  * addresses with the corresponding nodes in the device tree, to see if
758  * the physical addresses are all correct.  For example, if
759  * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
760  * of the first UART.  We convert this to a physical address and compare
761  * that with the physical address of the first ns16550-compatible node
762  * in the device tree.  If they don't match, then we display a warning.
763  *
764  * Returns 1 on success, 0 on failure
765  */
766 int ft_verify_fdt(void *fdt)
767 {
768 	uint64_t addr = 0;
769 	int aliases;
770 	int off;
771 
772 	/* First check the CCSR base address */
773 	off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
774 	if (off > 0) {
775 		int size;
776 		u32 naddr;
777 		const fdt32_t *prop;
778 
779 		naddr = fdt_address_cells(fdt, off);
780 		prop = fdt_getprop(fdt, off, "ranges", &size);
781 		addr = fdt_translate_address(fdt, off, prop + naddr);
782 	}
783 
784 	if (!addr) {
785 		printf("Warning: could not determine base CCSR address in "
786 		       "device tree\n");
787 		/* No point in checking anything else */
788 		return 0;
789 	}
790 
791 	if (addr != CONFIG_SYS_CCSRBAR_PHYS) {
792 		msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr);
793 		/* No point in checking anything else */
794 		return 0;
795 	}
796 
797 	/*
798 	 * Check some nodes via aliases.  We assume that U-Boot and the device
799 	 * tree enumerate the devices equally.  E.g. the first serial port in
800 	 * U-Boot is the same as "serial0" in the device tree.
801 	 */
802 	aliases = fdt_path_offset(fdt, "/aliases");
803 	if (aliases > 0) {
804 #ifdef CONFIG_SYS_NS16550_COM1
805 		if (!fdt_verify_alias_address(fdt, aliases, "serial0",
806 			CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
807 			return 0;
808 #endif
809 
810 #ifdef CONFIG_SYS_NS16550_COM2
811 		if (!fdt_verify_alias_address(fdt, aliases, "serial1",
812 			CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
813 			return 0;
814 #endif
815 	}
816 
817 	/*
818 	 * The localbus node is typically a root node, even though the lbc
819 	 * controller is part of CCSR.  If we were to put the lbc node under
820 	 * the SOC node, then the 'ranges' property in the lbc node would
821 	 * translate through the 'ranges' property of the parent SOC node, and
822 	 * we don't want that.  Since it's a separate node, it's possible for
823 	 * the 'reg' property to be wrong, so check it here.  For now, we
824 	 * only check for "fsl,elbc" nodes.
825 	 */
826 #ifdef CONFIG_SYS_LBC_ADDR
827 	off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc");
828 	if (off > 0) {
829 		const fdt32_t *reg = fdt_getprop(fdt, off, "reg", NULL);
830 		if (reg) {
831 			uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR);
832 
833 			addr = fdt_translate_address(fdt, off, reg);
834 			if (uaddr != addr) {
835 				msg("the localbus", uaddr, addr);
836 				return 0;
837 			}
838 		}
839 	}
840 #endif
841 
842 	return 1;
843 }
844 
845 void fdt_del_diu(void *blob)
846 {
847 	int nodeoff = 0;
848 
849 	while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
850 				"fsl,diu")) >= 0) {
851 		fdt_del_node(blob, nodeoff);
852 	}
853 }
854