xref: /openbmc/u-boot/drivers/net/fsl-mc/mc.c (revision 23e8bd7e)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2014 Freescale Semiconductor, Inc.
4  * Copyright 2017 NXP
5  * Copyright 2017-2018 NXP
6  */
7 #include <common.h>
8 #include <errno.h>
9 #include <linux/bug.h>
10 #include <asm/io.h>
11 #include <linux/libfdt.h>
12 #include <net.h>
13 #include <fdt_support.h>
14 #include <fsl-mc/fsl_mc.h>
15 #include <fsl-mc/fsl_mc_sys.h>
16 #include <fsl-mc/fsl_mc_private.h>
17 #include <fsl-mc/fsl_dpmng.h>
18 #include <fsl-mc/fsl_dprc.h>
19 #include <fsl-mc/fsl_dpio.h>
20 #include <fsl-mc/fsl_dpni.h>
21 #include <fsl-mc/fsl_qbman_portal.h>
22 #include <fsl-mc/ldpaa_wriop.h>
23 
24 #define MC_RAM_BASE_ADDR_ALIGNMENT  (512UL * 1024 * 1024)
25 #define MC_RAM_BASE_ADDR_ALIGNMENT_MASK	(~(MC_RAM_BASE_ADDR_ALIGNMENT - 1))
26 #define MC_RAM_SIZE_ALIGNMENT	    (256UL * 1024 * 1024)
27 
28 #define MC_MEM_SIZE_ENV_VAR	"mcmemsize"
29 #define MC_BOOT_TIMEOUT_ENV_VAR	"mcboottimeout"
30 #define MC_BOOT_ENV_VAR		"mcinitcmd"
31 
32 DECLARE_GLOBAL_DATA_PTR;
33 static int mc_memset_resv_ram;
34 static int mc_boot_status = -1;
35 static int mc_dpl_applied = -1;
36 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
37 static int mc_aiop_applied = -1;
38 #endif
39 struct fsl_mc_io *root_mc_io = NULL;
40 struct fsl_mc_io *dflt_mc_io = NULL; /* child container */
41 uint16_t root_dprc_handle = 0;
42 uint16_t dflt_dprc_handle = 0;
43 int child_dprc_id;
44 struct fsl_dpbp_obj *dflt_dpbp = NULL;
45 struct fsl_dpio_obj *dflt_dpio = NULL;
46 struct fsl_dpni_obj *dflt_dpni = NULL;
47 static u64 mc_lazy_dpl_addr;
48 
49 #ifdef DEBUG
50 void dump_ram_words(const char *title, void *addr)
51 {
52 	int i;
53 	uint32_t *words = addr;
54 
55 	printf("Dumping beginning of %s (%p):\n", title, addr);
56 	for (i = 0; i < 16; i++)
57 		printf("%#x ", words[i]);
58 
59 	printf("\n");
60 }
61 
62 void dump_mc_ccsr_regs(struct mc_ccsr_registers __iomem *mc_ccsr_regs)
63 {
64 	printf("MC CCSR registers:\n"
65 		"reg_gcr1 %#x\n"
66 		"reg_gsr %#x\n"
67 		"reg_sicbalr %#x\n"
68 		"reg_sicbahr %#x\n"
69 		"reg_sicapr %#x\n"
70 		"reg_mcfbalr %#x\n"
71 		"reg_mcfbahr %#x\n"
72 		"reg_mcfapr %#x\n"
73 		"reg_psr %#x\n",
74 		mc_ccsr_regs->reg_gcr1,
75 		mc_ccsr_regs->reg_gsr,
76 		mc_ccsr_regs->reg_sicbalr,
77 		mc_ccsr_regs->reg_sicbahr,
78 		mc_ccsr_regs->reg_sicapr,
79 		mc_ccsr_regs->reg_mcfbalr,
80 		mc_ccsr_regs->reg_mcfbahr,
81 		mc_ccsr_regs->reg_mcfapr,
82 		mc_ccsr_regs->reg_psr);
83 }
84 #else
85 
86 #define dump_ram_words(title, addr)
87 #define dump_mc_ccsr_regs(mc_ccsr_regs)
88 
89 #endif /* DEBUG */
90 
91 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
92 /**
93  * Copying MC firmware or DPL image to DDR
94  */
95 static int mc_copy_image(const char *title,
96 			 u64 image_addr, u32 image_size, u64 mc_ram_addr)
97 {
98 	debug("%s copied to address %p\n", title, (void *)mc_ram_addr);
99 	memcpy((void *)mc_ram_addr, (void *)image_addr, image_size);
100 	flush_dcache_range(mc_ram_addr, mc_ram_addr + image_size);
101 	return 0;
102 }
103 
104 /**
105  * MC firmware FIT image parser checks if the image is in FIT
106  * format, verifies integrity of the image and calculates
107  * raw image address and size values.
108  * Returns 0 on success and a negative errno on error.
109  * task fail.
110  **/
111 int parse_mc_firmware_fit_image(u64 mc_fw_addr,
112 				const void **raw_image_addr,
113 				size_t *raw_image_size)
114 {
115 	int format;
116 	void *fit_hdr;
117 	int node_offset;
118 	const void *data;
119 	size_t size;
120 	const char *uname = "firmware";
121 
122 	fit_hdr = (void *)mc_fw_addr;
123 
124 	/* Check if Image is in FIT format */
125 	format = genimg_get_format(fit_hdr);
126 
127 	if (format != IMAGE_FORMAT_FIT) {
128 		printf("fsl-mc: ERR: Bad firmware image (not a FIT image)\n");
129 		return -EINVAL;
130 	}
131 
132 	if (!fit_check_format(fit_hdr)) {
133 		printf("fsl-mc: ERR: Bad firmware image (bad FIT header)\n");
134 		return -EINVAL;
135 	}
136 
137 	node_offset = fit_image_get_node(fit_hdr, uname);
138 
139 	if (node_offset < 0) {
140 		printf("fsl-mc: ERR: Bad firmware image (missing subimage)\n");
141 		return -ENOENT;
142 	}
143 
144 	/* Verify MC firmware image */
145 	if (!(fit_image_verify(fit_hdr, node_offset))) {
146 		printf("fsl-mc: ERR: Bad firmware image (bad CRC)\n");
147 		return -EINVAL;
148 	}
149 
150 	/* Get address and size of raw image */
151 	fit_image_get_data(fit_hdr, node_offset, &data, &size);
152 
153 	*raw_image_addr = data;
154 	*raw_image_size = size;
155 
156 	return 0;
157 }
158 #endif
159 
160 #define MC_DT_INCREASE_SIZE	64
161 
162 enum mc_fixup_type {
163 	MC_FIXUP_DPL,
164 	MC_FIXUP_DPC
165 };
166 
167 static int mc_fixup_mac_addr(void *blob, int nodeoffset,
168 			     const char *propname, struct eth_device *eth_dev,
169 			     enum mc_fixup_type type)
170 {
171 	int err = 0, len = 0, size, i;
172 	unsigned char env_enetaddr[ARP_HLEN];
173 	unsigned int enetaddr_32[ARP_HLEN];
174 	void *val = NULL;
175 
176 	switch (type) {
177 	case MC_FIXUP_DPL:
178 	/* DPL likes its addresses on 32 * ARP_HLEN bits */
179 	for (i = 0; i < ARP_HLEN; i++)
180 		enetaddr_32[i] = cpu_to_fdt32(eth_dev->enetaddr[i]);
181 	val = enetaddr_32;
182 	len = sizeof(enetaddr_32);
183 	break;
184 
185 	case MC_FIXUP_DPC:
186 	val = eth_dev->enetaddr;
187 	len = ARP_HLEN;
188 	break;
189 	}
190 
191 	/* MAC address property present */
192 	if (fdt_get_property(blob, nodeoffset, propname, NULL)) {
193 		/* u-boot MAC addr randomly assigned - leave the present one */
194 		if (!eth_env_get_enetaddr_by_index("eth", eth_dev->index,
195 						   env_enetaddr))
196 			return err;
197 	} else {
198 		size = MC_DT_INCREASE_SIZE + strlen(propname) + len;
199 		/* make room for mac address property */
200 		err = fdt_increase_size(blob, size);
201 		if (err) {
202 			printf("fdt_increase_size: err=%s\n",
203 			       fdt_strerror(err));
204 			return err;
205 		}
206 	}
207 
208 	err = fdt_setprop(blob, nodeoffset, propname, val, len);
209 	if (err) {
210 		printf("fdt_setprop: err=%s\n", fdt_strerror(err));
211 		return err;
212 	}
213 
214 	return err;
215 }
216 
217 #define is_dpni(s) (s != NULL ? !strncmp(s, "dpni@", 5) : 0)
218 
219 const char *dpl_get_connection_endpoint(void *blob, char *endpoint)
220 {
221 	int connoffset = fdt_path_offset(blob, "/connections"), off;
222 	const char *s1, *s2;
223 
224 	for (off = fdt_first_subnode(blob, connoffset);
225 	     off >= 0;
226 	     off = fdt_next_subnode(blob, off)) {
227 		s1 = fdt_stringlist_get(blob, off, "endpoint1", 0, NULL);
228 		s2 = fdt_stringlist_get(blob, off, "endpoint2", 0, NULL);
229 
230 		if (!s1 || !s2)
231 			continue;
232 
233 		if (strcmp(endpoint, s1) == 0)
234 			return s2;
235 
236 		if (strcmp(endpoint, s2) == 0)
237 			return s1;
238 	}
239 
240 	return NULL;
241 }
242 
243 static int mc_fixup_dpl_mac_addr(void *blob, int dpmac_id,
244 				 struct eth_device *eth_dev)
245 {
246 	int objoff = fdt_path_offset(blob, "/objects");
247 	int dpmacoff = -1, dpnioff = -1;
248 	const char *endpoint;
249 	char mac_name[10];
250 	int err;
251 
252 	sprintf(mac_name, "dpmac@%d", dpmac_id);
253 	dpmacoff = fdt_subnode_offset(blob, objoff, mac_name);
254 	if (dpmacoff < 0)
255 		/* dpmac not defined in DPL, so skip it. */
256 		return 0;
257 
258 	err = mc_fixup_mac_addr(blob, dpmacoff, "mac_addr", eth_dev,
259 				MC_FIXUP_DPL);
260 	if (err) {
261 		printf("Error fixing up dpmac mac_addr in DPL\n");
262 		return err;
263 	}
264 
265 	/* now we need to figure out if there is any
266 	 * DPNI connected to this MAC, so we walk the
267 	 * connection list
268 	 */
269 	endpoint = dpl_get_connection_endpoint(blob, mac_name);
270 	if (!is_dpni(endpoint))
271 		return 0;
272 
273 	/* let's see if we can fixup the DPNI as well */
274 	dpnioff = fdt_subnode_offset(blob, objoff, endpoint);
275 	if (dpnioff < 0)
276 		/* DPNI not defined in DPL in the objects area */
277 		return 0;
278 
279 	return mc_fixup_mac_addr(blob, dpnioff, "mac_addr", eth_dev,
280 				 MC_FIXUP_DPL);
281 }
282 
283 void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
284 {
285 	u32 *prop;
286 	u32 iommu_map[4];
287 	int offset;
288 	int lenp;
289 
290 	/* find fsl-mc node */
291 	offset = fdt_path_offset(blob, "/soc/fsl-mc");
292 	if (offset < 0)
293 		offset = fdt_path_offset(blob, "/fsl-mc");
294 	if (offset < 0) {
295 		printf("%s: fsl-mc: ERR: fsl-mc node not found in DT, err %d\n",
296 		       __func__, offset);
297 		return;
298 	}
299 
300 	prop = fdt_getprop_w(blob, offset, "iommu-map", &lenp);
301 	if (!prop) {
302 		debug("%s: fsl-mc: ERR: missing iommu-map in fsl-mc bus node\n",
303 		      __func__);
304 		return;
305 	}
306 
307 	iommu_map[0] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
308 	iommu_map[1] = *++prop;
309 	iommu_map[2] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
310 	iommu_map[3] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_END -
311 		FSL_DPAA2_STREAM_ID_START + 1);
312 
313 	fdt_setprop_inplace(blob, offset, "iommu-map",
314 			    iommu_map, sizeof(iommu_map));
315 }
316 
317 static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id,
318 				 struct eth_device *eth_dev)
319 {
320 	int nodeoffset = fdt_path_offset(blob, "/board_info/ports"), noff;
321 	int err = 0;
322 	char mac_name[10];
323 	const char link_type_mode[] = "MAC_LINK_TYPE_FIXED";
324 
325 	sprintf(mac_name, "mac@%d", dpmac_id);
326 
327 	/* node not found - create it */
328 	noff = fdt_subnode_offset(blob, nodeoffset, (const char *)mac_name);
329 	if (noff < 0) {
330 		err = fdt_increase_size(blob, 200);
331 		if (err) {
332 			printf("fdt_increase_size: err=%s\n",
333 				fdt_strerror(err));
334 			return err;
335 		}
336 
337 		noff = fdt_add_subnode(blob, nodeoffset, mac_name);
338 		if (noff < 0) {
339 			printf("fdt_add_subnode: err=%s\n",
340 			       fdt_strerror(err));
341 			return err;
342 		}
343 
344 		/* add default property of fixed link */
345 		err = fdt_appendprop_string(blob, noff,
346 					    "link_type", link_type_mode);
347 		if (err) {
348 			printf("fdt_appendprop_string: err=%s\n",
349 				fdt_strerror(err));
350 			return err;
351 		}
352 	}
353 
354 	return mc_fixup_mac_addr(blob, noff, "port_mac_address", eth_dev,
355 				 MC_FIXUP_DPC);
356 }
357 
358 static int mc_fixup_mac_addrs(void *blob, enum mc_fixup_type type)
359 {
360 	int i, err = 0, ret = 0;
361 	char ethname[ETH_NAME_LEN];
362 	struct eth_device *eth_dev;
363 
364 	for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
365 		/* port not enabled */
366 		if (wriop_is_enabled_dpmac(i) != 1)
367 			continue;
368 
369 		snprintf(ethname, ETH_NAME_LEN, "DPMAC%d@%s", i,
370 			 phy_interface_strings[wriop_get_enet_if(i)]);
371 
372 		eth_dev = eth_get_dev_by_name(ethname);
373 		if (eth_dev == NULL)
374 			continue;
375 
376 		switch (type) {
377 		case MC_FIXUP_DPL:
378 			err = mc_fixup_dpl_mac_addr(blob, i, eth_dev);
379 			break;
380 		case MC_FIXUP_DPC:
381 			err = mc_fixup_dpc_mac_addr(blob, i, eth_dev);
382 			break;
383 		default:
384 			break;
385 		}
386 
387 		if (err)
388 			printf("fsl-mc: ERROR fixing mac address for %s\n",
389 			       ethname);
390 		ret |= err;
391 	}
392 
393 	return ret;
394 }
395 
396 static int mc_fixup_dpc(u64 dpc_addr)
397 {
398 	void *blob = (void *)dpc_addr;
399 	int nodeoffset, err = 0;
400 
401 	/* delete any existing ICID pools */
402 	nodeoffset = fdt_path_offset(blob, "/resources/icid_pools");
403 	if (fdt_del_node(blob, nodeoffset) < 0)
404 		printf("\nfsl-mc: WARNING: could not delete ICID pool\n");
405 
406 	/* add a new pool */
407 	nodeoffset = fdt_path_offset(blob, "/resources");
408 	if (nodeoffset < 0) {
409 		printf("\nfsl-mc: ERROR: DPC is missing /resources\n");
410 		return -EINVAL;
411 	}
412 	nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pools");
413 	nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pool@0");
414 	do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
415 			     "base_icid", FSL_DPAA2_STREAM_ID_START, 1);
416 	do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
417 			     "num",
418 			     FSL_DPAA2_STREAM_ID_END -
419 			     FSL_DPAA2_STREAM_ID_START + 1, 1);
420 
421 	/* fixup MAC addresses for dpmac ports */
422 	nodeoffset = fdt_path_offset(blob, "/board_info/ports");
423 	if (nodeoffset < 0)
424 		return 0;
425 
426 	err = mc_fixup_mac_addrs(blob, MC_FIXUP_DPC);
427 	flush_dcache_range(dpc_addr, dpc_addr + fdt_totalsize(blob));
428 
429 	return err;
430 }
431 
432 static int load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpc_addr)
433 {
434 	u64 mc_dpc_offset;
435 #ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
436 	int error;
437 	void *dpc_fdt_hdr;
438 	int dpc_size;
439 #endif
440 
441 #ifdef CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET
442 	BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET & 0x3) != 0 ||
443 		     CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET > 0xffffffff);
444 
445 	mc_dpc_offset = CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET;
446 #else
447 #error "CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET not defined"
448 #endif
449 
450 	/*
451 	 * Load the MC DPC blob in the MC private DRAM block:
452 	 */
453 #ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
454 	printf("MC DPC is preloaded to %#llx\n", mc_ram_addr + mc_dpc_offset);
455 #else
456 	/*
457 	 * Get address and size of the DPC blob stored in flash:
458 	 */
459 	dpc_fdt_hdr = (void *)mc_dpc_addr;
460 
461 	error = fdt_check_header(dpc_fdt_hdr);
462 	if (error != 0) {
463 		/*
464 		 * Don't return with error here, since the MC firmware can
465 		 * still boot without a DPC
466 		 */
467 		printf("\nfsl-mc: WARNING: No DPC image found");
468 		return 0;
469 	}
470 
471 	dpc_size = fdt_totalsize(dpc_fdt_hdr);
472 	if (dpc_size > CONFIG_SYS_LS_MC_DPC_MAX_LENGTH) {
473 		printf("\nfsl-mc: ERROR: Bad DPC image (too large: %d)\n",
474 		       dpc_size);
475 		return -EINVAL;
476 	}
477 
478 	mc_copy_image("MC DPC blob",
479 		      (u64)dpc_fdt_hdr, dpc_size, mc_ram_addr + mc_dpc_offset);
480 #endif /* not defined CONFIG_SYS_LS_MC_DPC_IN_DDR */
481 
482 	if (mc_fixup_dpc(mc_ram_addr + mc_dpc_offset))
483 		return -EINVAL;
484 
485 	dump_ram_words("DPC", (void *)(mc_ram_addr + mc_dpc_offset));
486 	return 0;
487 }
488 
489 
490 static int mc_fixup_dpl(u64 dpl_addr)
491 {
492 	void *blob = (void *)dpl_addr;
493 	u32 ver = fdt_getprop_u32_default(blob, "/", "dpl-version", 0);
494 	int err = 0;
495 
496 	/* The DPL fixup for mac addresses is only relevant
497 	 * for old-style DPLs
498 	 */
499 	if (ver >= 10)
500 		return 0;
501 
502 	err = mc_fixup_mac_addrs(blob, MC_FIXUP_DPL);
503 	flush_dcache_range(dpl_addr, dpl_addr + fdt_totalsize(blob));
504 
505 	return err;
506 }
507 
508 static int load_mc_dpl(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpl_addr)
509 {
510 	u64 mc_dpl_offset;
511 #ifndef CONFIG_SYS_LS_MC_DPL_IN_DDR
512 	int error;
513 	void *dpl_fdt_hdr;
514 	int dpl_size;
515 #endif
516 
517 #ifdef CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET
518 	BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET & 0x3) != 0 ||
519 		     CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET > 0xffffffff);
520 
521 	mc_dpl_offset = CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET;
522 #else
523 #error "CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET not defined"
524 #endif
525 
526 	/*
527 	 * Load the MC DPL blob in the MC private DRAM block:
528 	 */
529 #ifdef CONFIG_SYS_LS_MC_DPL_IN_DDR
530 	printf("MC DPL is preloaded to %#llx\n", mc_ram_addr + mc_dpl_offset);
531 #else
532 	/*
533 	 * Get address and size of the DPL blob stored in flash:
534 	 */
535 	dpl_fdt_hdr = (void *)mc_dpl_addr;
536 
537 	error = fdt_check_header(dpl_fdt_hdr);
538 	if (error != 0) {
539 		printf("\nfsl-mc: ERROR: Bad DPL image (bad header)\n");
540 		return error;
541 	}
542 
543 	dpl_size = fdt_totalsize(dpl_fdt_hdr);
544 	if (dpl_size > CONFIG_SYS_LS_MC_DPL_MAX_LENGTH) {
545 		printf("\nfsl-mc: ERROR: Bad DPL image (too large: %d)\n",
546 		       dpl_size);
547 		return -EINVAL;
548 	}
549 
550 	mc_copy_image("MC DPL blob",
551 		      (u64)dpl_fdt_hdr, dpl_size, mc_ram_addr + mc_dpl_offset);
552 #endif /* not defined CONFIG_SYS_LS_MC_DPL_IN_DDR */
553 
554 	if (mc_fixup_dpl(mc_ram_addr + mc_dpl_offset))
555 		return -EINVAL;
556 	dump_ram_words("DPL", (void *)(mc_ram_addr + mc_dpl_offset));
557 	return 0;
558 }
559 
560 /**
561  * Return the MC boot timeout value in milliseconds
562  */
563 static unsigned long get_mc_boot_timeout_ms(void)
564 {
565 	unsigned long timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
566 
567 	char *timeout_ms_env_var = env_get(MC_BOOT_TIMEOUT_ENV_VAR);
568 
569 	if (timeout_ms_env_var) {
570 		timeout_ms = simple_strtoul(timeout_ms_env_var, NULL, 10);
571 		if (timeout_ms == 0) {
572 			printf("fsl-mc: WARNING: Invalid value for \'"
573 			       MC_BOOT_TIMEOUT_ENV_VAR
574 			       "\' environment variable: %lu\n",
575 			       timeout_ms);
576 
577 			timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
578 		}
579 	}
580 
581 	return timeout_ms;
582 }
583 
584 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
585 
586 __weak bool soc_has_aiop(void)
587 {
588 	return false;
589 }
590 
591 static int load_mc_aiop_img(u64 aiop_fw_addr)
592 {
593 	u64 mc_ram_addr = mc_get_dram_addr();
594 #ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
595 	void *aiop_img;
596 #endif
597 
598 	/* Check if AIOP is available */
599 	if (!soc_has_aiop())
600 		return -ENODEV;
601 	/*
602 	 * Load the MC AIOP image in the MC private DRAM block:
603 	 */
604 
605 #ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
606 	printf("MC AIOP is preloaded to %#llx\n", mc_ram_addr +
607 	       CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
608 #else
609 	aiop_img = (void *)aiop_fw_addr;
610 	mc_copy_image("MC AIOP image",
611 		      (u64)aiop_img, CONFIG_SYS_LS_MC_AIOP_IMG_MAX_LENGTH,
612 		      mc_ram_addr + CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
613 #endif
614 	mc_aiop_applied = 0;
615 
616 	return 0;
617 }
618 #endif
619 
620 static int wait_for_mc(bool booting_mc, u32 *final_reg_gsr)
621 {
622 	u32 reg_gsr;
623 	u32 mc_fw_boot_status;
624 	unsigned long timeout_ms = get_mc_boot_timeout_ms();
625 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
626 
627 	dmb();
628 	assert(timeout_ms > 0);
629 	for (;;) {
630 		udelay(1000);	/* throttle polling */
631 		reg_gsr = in_le32(&mc_ccsr_regs->reg_gsr);
632 		mc_fw_boot_status = (reg_gsr & GSR_FS_MASK);
633 		if (mc_fw_boot_status & 0x1)
634 			break;
635 
636 		timeout_ms--;
637 		if (timeout_ms == 0)
638 			break;
639 	}
640 
641 	if (timeout_ms == 0) {
642 		printf("ERROR: timeout\n");
643 
644 		/* TODO: Get an error status from an MC CCSR register */
645 		return -ETIMEDOUT;
646 	}
647 
648 	if (mc_fw_boot_status != 0x1) {
649 		/*
650 		 * TODO: Identify critical errors from the GSR register's FS
651 		 * field and for those errors, set error to -ENODEV or other
652 		 * appropriate errno, so that the status property is set to
653 		 * failure in the fsl,dprc device tree node.
654 		 */
655 		printf("WARNING: Firmware returned an error (GSR: %#x)\n",
656 		       reg_gsr);
657 	} else {
658 		printf("SUCCESS\n");
659 	}
660 
661 
662 	*final_reg_gsr = reg_gsr;
663 	return 0;
664 }
665 
666 int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
667 {
668 	int error = 0;
669 	int portal_id = 0;
670 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
671 	u64 mc_ram_addr = mc_get_dram_addr();
672 	u32 reg_gsr;
673 	u32 reg_mcfbalr;
674 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
675 	const void *raw_image_addr;
676 	size_t raw_image_size = 0;
677 #endif
678 	struct mc_version mc_ver_info;
679 	u8 mc_ram_num_256mb_blocks;
680 	size_t mc_ram_size = mc_get_dram_block_size();
681 
682 	mc_ram_num_256mb_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
683 	if (mc_ram_num_256mb_blocks < 1 || mc_ram_num_256mb_blocks > 0xff) {
684 		error = -EINVAL;
685 		printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
686 		       mc_ram_size);
687 		goto out;
688 	}
689 
690 	/*
691 	 * Management Complex cores should be held at reset out of POR.
692 	 * U-Boot should be the first software to touch MC. To be safe,
693 	 * we reset all cores again by setting GCR1 to 0. It doesn't do
694 	 * anything if they are held at reset. After we setup the firmware
695 	 * we kick off MC by deasserting the reset bit for core 0, and
696 	 * deasserting the reset bits for Command Portal Managers.
697 	 * The stop bits are not touched here. They are used to stop the
698 	 * cores when they are active. Setting stop bits doesn't stop the
699 	 * cores from fetching instructions when they are released from
700 	 * reset.
701 	 */
702 	out_le32(&mc_ccsr_regs->reg_gcr1, 0);
703 	dmb();
704 
705 #ifdef CONFIG_SYS_LS_MC_FW_IN_DDR
706 	printf("MC firmware is preloaded to %#llx\n", mc_ram_addr);
707 #else
708 	error = parse_mc_firmware_fit_image(mc_fw_addr, &raw_image_addr,
709 					    &raw_image_size);
710 	if (error != 0)
711 		goto out;
712 	/*
713 	 * Load the MC FW at the beginning of the MC private DRAM block:
714 	 */
715 	mc_copy_image("MC Firmware",
716 		      (u64)raw_image_addr, raw_image_size, mc_ram_addr);
717 #endif
718 	dump_ram_words("firmware", (void *)mc_ram_addr);
719 
720 	error = load_mc_dpc(mc_ram_addr, mc_ram_size, mc_dpc_addr);
721 	if (error != 0)
722 		goto out;
723 
724 	debug("mc_ccsr_regs %p\n", mc_ccsr_regs);
725 	dump_mc_ccsr_regs(mc_ccsr_regs);
726 
727 	/*
728 	 * Tell MC what is the address range of the DRAM block assigned to it:
729 	 */
730 	reg_mcfbalr = (u32)mc_ram_addr |
731 		      (mc_ram_num_256mb_blocks - 1);
732 	out_le32(&mc_ccsr_regs->reg_mcfbalr, reg_mcfbalr);
733 	out_le32(&mc_ccsr_regs->reg_mcfbahr,
734 		 (u32)(mc_ram_addr >> 32));
735 	out_le32(&mc_ccsr_regs->reg_mcfapr, FSL_BYPASS_AMQ);
736 
737 	/*
738 	 * Tell the MC that we want delayed DPL deployment.
739 	 */
740 	out_le32(&mc_ccsr_regs->reg_gsr, 0xDD00);
741 
742 	printf("\nfsl-mc: Booting Management Complex ... ");
743 
744 	/*
745 	 * Deassert reset and release MC core 0 to run
746 	 */
747 	out_le32(&mc_ccsr_regs->reg_gcr1, GCR1_P1_DE_RST | GCR1_M_ALL_DE_RST);
748 	error = wait_for_mc(true, &reg_gsr);
749 	if (error != 0)
750 		goto out;
751 
752 	/*
753 	 * TODO: need to obtain the portal_id for the root container from the
754 	 * DPL
755 	 */
756 	portal_id = 0;
757 
758 	/*
759 	 * Initialize the global default MC portal
760 	 * And check that the MC firmware is responding portal commands:
761 	 */
762 	root_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
763 	if (!root_mc_io) {
764 		printf(" No memory: calloc() failed\n");
765 		return -ENOMEM;
766 	}
767 
768 	root_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(portal_id);
769 	debug("Checking access to MC portal of root DPRC container (portal_id %d, portal physical addr %p)\n",
770 	      portal_id, root_mc_io->mmio_regs);
771 
772 	error = mc_get_version(root_mc_io, MC_CMD_NO_FLAGS, &mc_ver_info);
773 	if (error != 0) {
774 		printf("fsl-mc: ERROR: Firmware version check failed (error: %d)\n",
775 		       error);
776 		goto out;
777 	}
778 
779 	printf("fsl-mc: Management Complex booted (version: %d.%d.%d, boot status: %#x)\n",
780 	       mc_ver_info.major, mc_ver_info.minor, mc_ver_info.revision,
781 	       reg_gsr & GSR_FS_MASK);
782 
783 out:
784 	if (error != 0)
785 		mc_boot_status = error;
786 	else
787 		mc_boot_status = 0;
788 
789 	return error;
790 }
791 
792 int mc_apply_dpl(u64 mc_dpl_addr)
793 {
794 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
795 	int error = 0;
796 	u32 reg_gsr;
797 	u64 mc_ram_addr = mc_get_dram_addr();
798 	size_t mc_ram_size = mc_get_dram_block_size();
799 
800 	if (!mc_dpl_addr)
801 		return -1;
802 
803 	error = load_mc_dpl(mc_ram_addr, mc_ram_size, mc_dpl_addr);
804 	if (error != 0)
805 		return error;
806 
807 	/*
808 	 * Tell the MC to deploy the DPL:
809 	 */
810 	out_le32(&mc_ccsr_regs->reg_gsr, 0x0);
811 	printf("fsl-mc: Deploying data path layout ... ");
812 	error = wait_for_mc(false, &reg_gsr);
813 
814 	if (!error)
815 		mc_dpl_applied = 0;
816 
817 	return error;
818 }
819 
820 int get_mc_boot_status(void)
821 {
822 	return mc_boot_status;
823 }
824 
825 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
826 int get_aiop_apply_status(void)
827 {
828 	return mc_aiop_applied;
829 }
830 #endif
831 
832 int get_dpl_apply_status(void)
833 {
834 	return mc_dpl_applied;
835 }
836 
837 int is_lazy_dpl_addr_valid(void)
838 {
839 	return !!mc_lazy_dpl_addr;
840 }
841 
842 /*
843  * Return the MC address of private DRAM block.
844  * As per MC design document, MC initial base address
845  * should be least significant 512MB address of MC private
846  * memory, i.e. address should point to end address masked
847  * with 512MB offset in private DRAM block.
848  */
849 u64 mc_get_dram_addr(void)
850 {
851 	size_t mc_ram_size = mc_get_dram_block_size();
852 
853 	if (!mc_memset_resv_ram || (get_mc_boot_status() < 0)) {
854 		mc_memset_resv_ram = 1;
855 		memset((void *)gd->arch.resv_ram, 0, mc_ram_size);
856 	}
857 
858 	return (gd->arch.resv_ram + mc_ram_size - 1) &
859 		MC_RAM_BASE_ADDR_ALIGNMENT_MASK;
860 }
861 
862 /**
863  * Return the actual size of the MC private DRAM block.
864  */
865 unsigned long mc_get_dram_block_size(void)
866 {
867 	unsigned long dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
868 
869 	char *dram_block_size_env_var = env_get(MC_MEM_SIZE_ENV_VAR);
870 
871 	if (dram_block_size_env_var) {
872 		dram_block_size = simple_strtoul(dram_block_size_env_var, NULL,
873 						 16);
874 
875 		if (dram_block_size < CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE) {
876 			printf("fsl-mc: WARNING: Invalid value for \'"
877 			       MC_MEM_SIZE_ENV_VAR
878 			       "\' environment variable: %lu\n",
879 			       dram_block_size);
880 
881 			dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
882 		}
883 	}
884 
885 	return dram_block_size;
886 }
887 
888 int fsl_mc_ldpaa_init(bd_t *bis)
889 {
890 	int i;
891 
892 	for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++)
893 		if (wriop_is_enabled_dpmac(i) == 1)
894 			ldpaa_eth_init(i, wriop_get_enet_if(i));
895 	return 0;
896 }
897 
898 static int dprc_version_check(struct fsl_mc_io *mc_io, uint16_t handle)
899 {
900 	int error;
901 	uint16_t major_ver, minor_ver;
902 
903 	error = dprc_get_api_version(mc_io, 0,
904 				     &major_ver,
905 				     &minor_ver);
906 	if (error < 0) {
907 		printf("dprc_get_api_version() failed: %d\n", error);
908 		return error;
909 	}
910 
911 	if (major_ver < DPRC_VER_MAJOR || (major_ver == DPRC_VER_MAJOR &&
912 					   minor_ver < DPRC_VER_MINOR)) {
913 		printf("DPRC version mismatch found %u.%u,",
914 		       major_ver, minor_ver);
915 		printf("supported version is %u.%u\n",
916 		       DPRC_VER_MAJOR, DPRC_VER_MINOR);
917 	}
918 
919 	return error;
920 }
921 
922 static int dpio_init(void)
923 {
924 	struct qbman_swp_desc p_des;
925 	struct dpio_attr attr;
926 	struct dpio_cfg dpio_cfg;
927 	int err = 0;
928 	uint16_t major_ver, minor_ver;
929 
930 	dflt_dpio = (struct fsl_dpio_obj *)calloc(
931 					sizeof(struct fsl_dpio_obj), 1);
932 	if (!dflt_dpio) {
933 		printf("No memory: calloc() failed\n");
934 		err = -ENOMEM;
935 		goto err_calloc;
936 	}
937 	dpio_cfg.channel_mode = DPIO_LOCAL_CHANNEL;
938 	dpio_cfg.num_priorities = 8;
939 
940 	err = dpio_create(dflt_mc_io,
941 			  dflt_dprc_handle,
942 			  MC_CMD_NO_FLAGS,
943 			  &dpio_cfg,
944 			  &dflt_dpio->dpio_id);
945 	if (err < 0) {
946 		printf("dpio_create() failed: %d\n", err);
947 		err = -ENODEV;
948 		goto err_create;
949 	}
950 
951 	err = dpio_get_api_version(dflt_mc_io, 0,
952 				   &major_ver,
953 				   &minor_ver);
954 	if (err < 0) {
955 		printf("dpio_get_api_version() failed: %d\n", err);
956 		goto err_get_api_ver;
957 	}
958 
959 	if (major_ver < DPIO_VER_MAJOR || (major_ver == DPIO_VER_MAJOR &&
960 					   minor_ver < DPIO_VER_MINOR)) {
961 		printf("DPRC version mismatch found %u.%u,",
962 		       major_ver,
963 		       minor_ver);
964 	}
965 
966 	err = dpio_open(dflt_mc_io,
967 			MC_CMD_NO_FLAGS,
968 			dflt_dpio->dpio_id,
969 			&dflt_dpio->dpio_handle);
970 	if (err) {
971 		printf("dpio_open() failed\n");
972 		goto err_open;
973 	}
974 
975 	memset(&attr, 0, sizeof(struct dpio_attr));
976 	err = dpio_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
977 				  dflt_dpio->dpio_handle, &attr);
978 	if (err < 0) {
979 		printf("dpio_get_attributes() failed: %d\n", err);
980 		goto err_get_attr;
981 	}
982 
983 	if (dflt_dpio->dpio_id != attr.id) {
984 		printf("dnpi object id and attribute id are not same\n");
985 		goto err_attr_not_same;
986 	}
987 
988 #ifdef DEBUG
989 	printf("Init: DPIO id=0x%d\n", dflt_dpio->dpio_id);
990 #endif
991 	err = dpio_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
992 	if (err < 0) {
993 		printf("dpio_enable() failed %d\n", err);
994 		goto err_get_enable;
995 	}
996 	debug("ce_offset=0x%llx, ci_offset=0x%llx, portalid=%d, prios=%d\n",
997 	      attr.qbman_portal_ce_offset,
998 	      attr.qbman_portal_ci_offset,
999 	      attr.qbman_portal_id,
1000 	      attr.num_priorities);
1001 
1002 	p_des.cena_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
1003 					+ attr.qbman_portal_ce_offset);
1004 	p_des.cinh_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
1005 					+ attr.qbman_portal_ci_offset);
1006 
1007 	dflt_dpio->sw_portal = qbman_swp_init(&p_des);
1008 	if (dflt_dpio->sw_portal == NULL) {
1009 		printf("qbman_swp_init() failed\n");
1010 		goto err_get_swp_init;
1011 	}
1012 	return 0;
1013 
1014 err_get_swp_init:
1015 	dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1016 err_get_enable:
1017 err_get_attr:
1018 err_attr_not_same:
1019 	dpio_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1020 err_open:
1021 err_get_api_ver:
1022 	dpio_destroy(dflt_mc_io,
1023 		     dflt_dprc_handle,
1024 		     MC_CMD_NO_FLAGS,
1025 		     dflt_dpio->dpio_id);
1026 err_create:
1027 	free(dflt_dpio);
1028 err_calloc:
1029 	return err;
1030 }
1031 
1032 static int dpio_exit(void)
1033 {
1034 	int err;
1035 
1036 	err = dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1037 	if (err < 0) {
1038 		printf("dpio_disable() failed: %d\n", err);
1039 		goto err;
1040 	}
1041 
1042 	dpio_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1043 	if (err < 0) {
1044 		printf("dpio_close() failed: %d\n", err);
1045 		goto err;
1046 	}
1047 
1048 	err = dpio_destroy(dflt_mc_io,
1049 			   dflt_dprc_handle,
1050 			   MC_CMD_NO_FLAGS,
1051 			   dflt_dpio->dpio_id);
1052 	if (err < 0) {
1053 		printf("dpio_destroy() failed: %d\n", err);
1054 		goto err;
1055 	}
1056 
1057 #ifdef DEBUG
1058 	printf("Exit: DPIO id=0x%d\n", dflt_dpio->dpio_id);
1059 #endif
1060 
1061 	if (dflt_dpio)
1062 		free(dflt_dpio);
1063 
1064 	return 0;
1065 err:
1066 	return err;
1067 }
1068 
1069 static int dprc_init(void)
1070 {
1071 	int err, child_portal_id, container_id;
1072 	struct dprc_cfg cfg;
1073 	uint64_t mc_portal_offset;
1074 
1075 	/* Open root container */
1076 	err = dprc_get_container_id(root_mc_io, MC_CMD_NO_FLAGS, &container_id);
1077 	if (err < 0) {
1078 		printf("dprc_get_container_id(): Root failed: %d\n", err);
1079 		goto err_root_container_id;
1080 	}
1081 
1082 #ifdef DEBUG
1083 	printf("Root container id = %d\n", container_id);
1084 #endif
1085 	err = dprc_open(root_mc_io, MC_CMD_NO_FLAGS, container_id,
1086 			&root_dprc_handle);
1087 	if (err < 0) {
1088 		printf("dprc_open(): Root Container failed: %d\n", err);
1089 		goto err_root_open;
1090 	}
1091 
1092 	if (!root_dprc_handle) {
1093 		printf("dprc_open(): Root Container Handle is not valid\n");
1094 		goto err_root_open;
1095 	}
1096 
1097 	err = dprc_version_check(root_mc_io, root_dprc_handle);
1098 	if (err < 0) {
1099 		printf("dprc_version_check() failed: %d\n", err);
1100 		goto err_root_open;
1101 	}
1102 
1103 	memset(&cfg, 0, sizeof(struct dprc_cfg));
1104 	cfg.options = DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED |
1105 		      DPRC_CFG_OPT_OBJ_CREATE_ALLOWED |
1106 		      DPRC_CFG_OPT_ALLOC_ALLOWED;
1107 	cfg.icid = DPRC_GET_ICID_FROM_POOL;
1108 	cfg.portal_id = DPRC_GET_PORTAL_ID_FROM_POOL;
1109 	err = dprc_create_container(root_mc_io, MC_CMD_NO_FLAGS,
1110 			root_dprc_handle,
1111 			&cfg,
1112 			&child_dprc_id,
1113 			&mc_portal_offset);
1114 	if (err < 0) {
1115 		printf("dprc_create_container() failed: %d\n", err);
1116 		goto err_create;
1117 	}
1118 
1119 	dflt_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
1120 	if (!dflt_mc_io) {
1121 		err  = -ENOMEM;
1122 		printf(" No memory: calloc() failed\n");
1123 		goto err_calloc;
1124 	}
1125 
1126 	child_portal_id = MC_PORTAL_OFFSET_TO_PORTAL_ID(mc_portal_offset);
1127 	dflt_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(child_portal_id);
1128 
1129 #ifdef DEBUG
1130 	printf("MC portal of child DPRC container: %d, physical addr %p)\n",
1131 	       child_dprc_id, dflt_mc_io->mmio_regs);
1132 #endif
1133 
1134 	err = dprc_open(dflt_mc_io, MC_CMD_NO_FLAGS, child_dprc_id,
1135 			&dflt_dprc_handle);
1136 	if (err < 0) {
1137 		printf("dprc_open(): Child container failed: %d\n", err);
1138 		goto err_child_open;
1139 	}
1140 
1141 	if (!dflt_dprc_handle) {
1142 		printf("dprc_open(): Child container Handle is not valid\n");
1143 		goto err_child_open;
1144 	}
1145 
1146 	return 0;
1147 err_child_open:
1148 	free(dflt_mc_io);
1149 err_calloc:
1150 	dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
1151 			       root_dprc_handle, child_dprc_id);
1152 err_create:
1153 	dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
1154 err_root_open:
1155 err_root_container_id:
1156 	return err;
1157 }
1158 
1159 static int dprc_exit(void)
1160 {
1161 	int err;
1162 
1163 	err = dprc_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dprc_handle);
1164 	if (err < 0) {
1165 		printf("dprc_close(): Child failed: %d\n", err);
1166 		goto err;
1167 	}
1168 
1169 	err = dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
1170 				     root_dprc_handle, child_dprc_id);
1171 	if (err < 0) {
1172 		printf("dprc_destroy_container() failed: %d\n", err);
1173 		goto err;
1174 	}
1175 
1176 	err = dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
1177 	if (err < 0) {
1178 		printf("dprc_close(): Root failed: %d\n", err);
1179 		goto err;
1180 	}
1181 
1182 	if (dflt_mc_io)
1183 		free(dflt_mc_io);
1184 
1185 	if (root_mc_io)
1186 		free(root_mc_io);
1187 
1188 	return 0;
1189 
1190 err:
1191 	return err;
1192 }
1193 
1194 static int dpbp_init(void)
1195 {
1196 	int err;
1197 	struct dpbp_attr dpbp_attr;
1198 	struct dpbp_cfg dpbp_cfg;
1199 	uint16_t major_ver, minor_ver;
1200 
1201 	dflt_dpbp = (struct fsl_dpbp_obj *)calloc(
1202 					sizeof(struct fsl_dpbp_obj), 1);
1203 	if (!dflt_dpbp) {
1204 		printf("No memory: calloc() failed\n");
1205 		err = -ENOMEM;
1206 		goto err_calloc;
1207 	}
1208 
1209 	dpbp_cfg.options = 512;
1210 
1211 	err = dpbp_create(dflt_mc_io,
1212 			  dflt_dprc_handle,
1213 			  MC_CMD_NO_FLAGS,
1214 			  &dpbp_cfg,
1215 			  &dflt_dpbp->dpbp_id);
1216 
1217 	if (err < 0) {
1218 		err = -ENODEV;
1219 		printf("dpbp_create() failed: %d\n", err);
1220 		goto err_create;
1221 	}
1222 
1223 	err = dpbp_get_api_version(dflt_mc_io, 0,
1224 				   &major_ver,
1225 				   &minor_ver);
1226 	if (err < 0) {
1227 		printf("dpbp_get_api_version() failed: %d\n", err);
1228 		goto err_get_api_ver;
1229 	}
1230 
1231 	if (major_ver < DPBP_VER_MAJOR || (major_ver == DPBP_VER_MAJOR &&
1232 					   minor_ver < DPBP_VER_MINOR)) {
1233 		printf("DPBP version mismatch found %u.%u,",
1234 		       major_ver, minor_ver);
1235 		printf("supported version is %u.%u\n",
1236 		       DPBP_VER_MAJOR, DPBP_VER_MINOR);
1237 	}
1238 
1239 	err = dpbp_open(dflt_mc_io,
1240 			MC_CMD_NO_FLAGS,
1241 			dflt_dpbp->dpbp_id,
1242 			&dflt_dpbp->dpbp_handle);
1243 	if (err) {
1244 		printf("dpbp_open() failed\n");
1245 		goto err_open;
1246 	}
1247 
1248 	memset(&dpbp_attr, 0, sizeof(struct dpbp_attr));
1249 	err = dpbp_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
1250 				  dflt_dpbp->dpbp_handle,
1251 				  &dpbp_attr);
1252 	if (err < 0) {
1253 		printf("dpbp_get_attributes() failed: %d\n", err);
1254 		goto err_get_attr;
1255 	}
1256 
1257 	if (dflt_dpbp->dpbp_id != dpbp_attr.id) {
1258 		printf("dpbp object id and attribute id are not same\n");
1259 		goto err_attr_not_same;
1260 	}
1261 
1262 #ifdef DEBUG
1263 	printf("Init: DPBP id=0x%x\n", dflt_dpbp->dpbp_attr.id);
1264 #endif
1265 
1266 	err = dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
1267 	if (err < 0) {
1268 		printf("dpbp_close() failed: %d\n", err);
1269 		goto err_close;
1270 	}
1271 
1272 	return 0;
1273 
1274 err_get_attr:
1275 err_attr_not_same:
1276 	dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
1277 	dpbp_destroy(dflt_mc_io,
1278 		     dflt_dprc_handle,
1279 		     MC_CMD_NO_FLAGS,
1280 		     dflt_dpbp->dpbp_id);
1281 err_get_api_ver:
1282 err_close:
1283 err_open:
1284 err_create:
1285 	free(dflt_dpbp);
1286 err_calloc:
1287 	return err;
1288 }
1289 
1290 static int dpbp_exit(void)
1291 {
1292 	int err;
1293 
1294 	err = dpbp_destroy(dflt_mc_io, dflt_dprc_handle, MC_CMD_NO_FLAGS,
1295 			   dflt_dpbp->dpbp_id);
1296 	if (err < 0) {
1297 		printf("dpbp_destroy() failed: %d\n", err);
1298 		goto err;
1299 	}
1300 
1301 #ifdef DEBUG
1302 	printf("Exit: DPBP id=0x%d\n", dflt_dpbp->dpbp_attr.id);
1303 #endif
1304 
1305 	if (dflt_dpbp)
1306 		free(dflt_dpbp);
1307 	return 0;
1308 
1309 err:
1310 	return err;
1311 }
1312 
1313 static int dpni_init(void)
1314 {
1315 	int err;
1316 	uint8_t	cfg_buf[256] = {0};
1317 	struct dpni_cfg dpni_cfg;
1318 	uint16_t major_ver, minor_ver;
1319 
1320 	dflt_dpni = (struct fsl_dpni_obj *)calloc(
1321 					sizeof(struct fsl_dpni_obj), 1);
1322 	if (!dflt_dpni) {
1323 		printf("No memory: calloc() failed\n");
1324 		err = -ENOMEM;
1325 		goto err_calloc;
1326 	}
1327 
1328 	memset(&dpni_cfg, 0, sizeof(dpni_cfg));
1329 	err = dpni_prepare_cfg(&dpni_cfg, &cfg_buf[0]);
1330 	if (err < 0) {
1331 		err = -ENODEV;
1332 		printf("dpni_prepare_cfg() failed: %d\n", err);
1333 		goto err_prepare_cfg;
1334 	}
1335 
1336 	err = dpni_create(dflt_mc_io,
1337 			  dflt_dprc_handle,
1338 			  MC_CMD_NO_FLAGS,
1339 			  &dpni_cfg,
1340 			  &dflt_dpni->dpni_id);
1341 	if (err < 0) {
1342 		err = -ENODEV;
1343 		printf("dpni create() failed: %d\n", err);
1344 		goto err_create;
1345 	}
1346 
1347 	err = dpni_get_api_version(dflt_mc_io, 0,
1348 				   &major_ver,
1349 				   &minor_ver);
1350 	if (err < 0) {
1351 		printf("dpni_get_api_version() failed: %d\n", err);
1352 		goto err_get_version;
1353 	}
1354 
1355 	if (major_ver < DPNI_VER_MAJOR || (major_ver == DPNI_VER_MAJOR &&
1356 					   minor_ver < DPNI_VER_MINOR)) {
1357 		printf("DPNI version mismatch found %u.%u,",
1358 		       major_ver, minor_ver);
1359 		printf("supported version is %u.%u\n",
1360 		       DPNI_VER_MAJOR, DPNI_VER_MINOR);
1361 	}
1362 
1363 	err = dpni_open(dflt_mc_io,
1364 			MC_CMD_NO_FLAGS,
1365 			dflt_dpni->dpni_id,
1366 			&dflt_dpni->dpni_handle);
1367 	if (err) {
1368 		printf("dpni_open() failed\n");
1369 		goto err_open;
1370 	}
1371 
1372 #ifdef DEBUG
1373 	printf("Init: DPNI id=0x%d\n", dflt_dpni->dpni_id);
1374 #endif
1375 	err = dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
1376 	if (err < 0) {
1377 		printf("dpni_close() failed: %d\n", err);
1378 		goto err_close;
1379 	}
1380 
1381 	return 0;
1382 
1383 err_close:
1384 	dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
1385 err_open:
1386 err_get_version:
1387 	dpni_destroy(dflt_mc_io,
1388 		     dflt_dprc_handle,
1389 		     MC_CMD_NO_FLAGS,
1390 		     dflt_dpni->dpni_id);
1391 err_create:
1392 err_prepare_cfg:
1393 	free(dflt_dpni);
1394 err_calloc:
1395 	return err;
1396 }
1397 
1398 static int dpni_exit(void)
1399 {
1400 	int err;
1401 
1402 	err = dpni_destroy(dflt_mc_io, dflt_dprc_handle, MC_CMD_NO_FLAGS,
1403 			   dflt_dpni->dpni_id);
1404 	if (err < 0) {
1405 		printf("dpni_destroy() failed: %d\n", err);
1406 		goto err;
1407 	}
1408 
1409 #ifdef DEBUG
1410 	printf("Exit: DPNI id=0x%d\n", dflt_dpni->dpni_id);
1411 #endif
1412 
1413 	if (dflt_dpni)
1414 		free(dflt_dpni);
1415 	return 0;
1416 
1417 err:
1418 	return err;
1419 }
1420 
1421 static int mc_init_object(void)
1422 {
1423 	int err = 0;
1424 
1425 	err = dprc_init();
1426 	if (err < 0) {
1427 		printf("dprc_init() failed: %d\n", err);
1428 		goto err;
1429 	}
1430 
1431 	err = dpbp_init();
1432 	if (err < 0) {
1433 		printf("dpbp_init() failed: %d\n", err);
1434 		goto err;
1435 	}
1436 
1437 	err = dpio_init();
1438 	if (err < 0) {
1439 		printf("dpio_init() failed: %d\n", err);
1440 		goto err;
1441 	}
1442 
1443 	err = dpni_init();
1444 	if (err < 0) {
1445 		printf("dpni_init() failed: %d\n", err);
1446 		goto err;
1447 	}
1448 
1449 	return 0;
1450 err:
1451 	return err;
1452 }
1453 
1454 int fsl_mc_ldpaa_exit(bd_t *bd)
1455 {
1456 	int err = 0;
1457 	bool is_dpl_apply_status = false;
1458 	bool mc_boot_status = false;
1459 
1460 	if (bd && mc_lazy_dpl_addr && !fsl_mc_ldpaa_exit(NULL)) {
1461 		err = mc_apply_dpl(mc_lazy_dpl_addr);
1462 		if (!err)
1463 			fdt_fixup_board_enet(working_fdt);
1464 		mc_lazy_dpl_addr = 0;
1465 	}
1466 
1467 	if (!get_mc_boot_status())
1468 		mc_boot_status = true;
1469 
1470 	/* MC is not loaded intentionally, So return success. */
1471 	if (bd && !mc_boot_status)
1472 		return 0;
1473 
1474 	/* If DPL is deployed, set is_dpl_apply_status as TRUE. */
1475 	if (!get_dpl_apply_status())
1476 		is_dpl_apply_status = true;
1477 
1478 	/*
1479 	 * For case MC is loaded but DPL is not deployed, return success and
1480 	 * print message on console. Else FDT fix-up code execution hanged.
1481 	 */
1482 	if (bd && mc_boot_status && !is_dpl_apply_status) {
1483 		printf("fsl-mc: DPL not deployed, DPAA2 ethernet not work\n");
1484 		goto mc_obj_cleanup;
1485 	}
1486 
1487 	if (bd && mc_boot_status && is_dpl_apply_status)
1488 		return 0;
1489 
1490 mc_obj_cleanup:
1491 	err = dpbp_exit();
1492 	if (err < 0) {
1493 		printf("dpbp_exit() failed: %d\n", err);
1494 		goto err;
1495 	}
1496 
1497 	err = dpio_exit();
1498 	if (err < 0) {
1499 		printf("dpio_exit() failed: %d\n", err);
1500 		goto err;
1501 	}
1502 
1503 	err = dpni_exit();
1504 	if (err < 0) {
1505 		printf("dpni_exit() failed: %d\n", err);
1506 		goto err;
1507 	}
1508 
1509 	err = dprc_exit();
1510 	if (err < 0) {
1511 		printf("dprc_exit() failed: %d\n", err);
1512 		goto err;
1513 	}
1514 
1515 	return 0;
1516 err:
1517 	return err;
1518 }
1519 
1520 static int do_fsl_mc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1521 {
1522 	int err = 0;
1523 	if (argc < 3)
1524 		goto usage;
1525 
1526 	switch (argv[1][0]) {
1527 	case 's': {
1528 			char sub_cmd;
1529 			u64 mc_fw_addr, mc_dpc_addr;
1530 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
1531 			u64 aiop_fw_addr;
1532 #endif
1533 
1534 			sub_cmd = argv[2][0];
1535 
1536 			switch (sub_cmd) {
1537 			case 'm':
1538 				if (argc < 5)
1539 					goto usage;
1540 
1541 				if (get_mc_boot_status() == 0) {
1542 					printf("fsl-mc: MC is already booted");
1543 					printf("\n");
1544 					return err;
1545 				}
1546 				mc_fw_addr = simple_strtoull(argv[3], NULL, 16);
1547 				mc_dpc_addr = simple_strtoull(argv[4], NULL,
1548 							      16);
1549 
1550 				if (!mc_init(mc_fw_addr, mc_dpc_addr))
1551 					err = mc_init_object();
1552 				break;
1553 
1554 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
1555 			case 'a':
1556 				if (argc < 4)
1557 					goto usage;
1558 				if (get_aiop_apply_status() == 0) {
1559 					printf("fsl-mc: AIOP FW is already");
1560 					printf(" applied\n");
1561 					return err;
1562 				}
1563 
1564 				aiop_fw_addr = simple_strtoull(argv[3], NULL,
1565 							       16);
1566 
1567 				/* if SoC doesn't have AIOP, err = -ENODEV */
1568 				err = load_mc_aiop_img(aiop_fw_addr);
1569 				if (!err)
1570 					printf("fsl-mc: AIOP FW applied\n");
1571 				break;
1572 #endif
1573 			default:
1574 				printf("Invalid option: %s\n", argv[2]);
1575 				goto usage;
1576 
1577 				break;
1578 			}
1579 		}
1580 		break;
1581 
1582 	case 'l':
1583 	case 'a': {
1584 			u64 mc_dpl_addr;
1585 
1586 			if (argc < 4)
1587 				goto usage;
1588 
1589 			if (get_dpl_apply_status() == 0) {
1590 				printf("fsl-mc: DPL already applied\n");
1591 				return err;
1592 			}
1593 
1594 			mc_dpl_addr = simple_strtoull(argv[3], NULL,
1595 							      16);
1596 
1597 			if (get_mc_boot_status() != 0) {
1598 				printf("fsl-mc: Deploying data path layout ..");
1599 				printf("ERROR (MC is not booted)\n");
1600 				return -ENODEV;
1601 			}
1602 
1603 			if (argv[1][0] == 'l') {
1604 				/*
1605 				 * We will do the actual dpaa exit and dpl apply
1606 				 * later from announce_and_cleanup().
1607 				 */
1608 				mc_lazy_dpl_addr = mc_dpl_addr;
1609 			} else {
1610 				/* The user wants it applied now */
1611 				if (!fsl_mc_ldpaa_exit(NULL))
1612 					err = mc_apply_dpl(mc_dpl_addr);
1613 			}
1614 			break;
1615 		}
1616 	default:
1617 		printf("Invalid option: %s\n", argv[1]);
1618 		goto usage;
1619 		break;
1620 	}
1621 	return err;
1622  usage:
1623 	return CMD_RET_USAGE;
1624 }
1625 
1626 U_BOOT_CMD(
1627 	fsl_mc,  CONFIG_SYS_MAXARGS,  1,   do_fsl_mc,
1628 	"DPAA2 command to manage Management Complex (MC)",
1629 	"start mc [FW_addr] [DPC_addr] - Start Management Complex\n"
1630 	"fsl_mc apply DPL [DPL_addr] - Apply DPL file\n"
1631 	"fsl_mc lazyapply DPL [DPL_addr] - Apply DPL file on exit\n"
1632 	"fsl_mc start aiop [FW_addr] - Start AIOP\n"
1633 );
1634 
1635 void mc_env_boot(void)
1636 {
1637 #if defined(CONFIG_FSL_MC_ENET)
1638 	char *mc_boot_env_var;
1639 	/* The MC may only be initialized in the reset PHY function
1640 	 * because otherwise U-Boot has not yet set up all the MAC
1641 	 * address info properly. Without MAC addresses, the MC code
1642 	 * can not properly initialize the DPC.
1643 	 */
1644 	mc_boot_env_var = env_get(MC_BOOT_ENV_VAR);
1645 	if (mc_boot_env_var)
1646 		run_command_list(mc_boot_env_var, -1, 0);
1647 #endif /* CONFIG_FSL_MC_ENET */
1648 }
1649