xref: /openbmc/u-boot/drivers/net/fsl-mc/mc.c (revision 66c433ed)
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 #define MC_DRAM_BLOCK_DEFAULT_SIZE (512UL * 1024 * 1024)
32 
33 DECLARE_GLOBAL_DATA_PTR;
34 static int mc_memset_resv_ram;
35 static int mc_boot_status = -1;
36 static int mc_dpl_applied = -1;
37 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
38 static int mc_aiop_applied = -1;
39 #endif
40 struct fsl_mc_io *root_mc_io = NULL;
41 struct fsl_mc_io *dflt_mc_io = NULL; /* child container */
42 uint16_t root_dprc_handle = 0;
43 uint16_t dflt_dprc_handle = 0;
44 int child_dprc_id;
45 struct fsl_dpbp_obj *dflt_dpbp = NULL;
46 struct fsl_dpio_obj *dflt_dpio = NULL;
47 struct fsl_dpni_obj *dflt_dpni = NULL;
48 static u64 mc_lazy_dpl_addr;
49 
50 #ifdef DEBUG
dump_ram_words(const char * title,void * addr)51 void dump_ram_words(const char *title, void *addr)
52 {
53 	int i;
54 	uint32_t *words = addr;
55 
56 	printf("Dumping beginning of %s (%p):\n", title, addr);
57 	for (i = 0; i < 16; i++)
58 		printf("%#x ", words[i]);
59 
60 	printf("\n");
61 }
62 
dump_mc_ccsr_regs(struct mc_ccsr_registers __iomem * mc_ccsr_regs)63 void dump_mc_ccsr_regs(struct mc_ccsr_registers __iomem *mc_ccsr_regs)
64 {
65 	printf("MC CCSR registers:\n"
66 		"reg_gcr1 %#x\n"
67 		"reg_gsr %#x\n"
68 		"reg_sicbalr %#x\n"
69 		"reg_sicbahr %#x\n"
70 		"reg_sicapr %#x\n"
71 		"reg_mcfbalr %#x\n"
72 		"reg_mcfbahr %#x\n"
73 		"reg_mcfapr %#x\n"
74 		"reg_psr %#x\n",
75 		mc_ccsr_regs->reg_gcr1,
76 		mc_ccsr_regs->reg_gsr,
77 		mc_ccsr_regs->reg_sicbalr,
78 		mc_ccsr_regs->reg_sicbahr,
79 		mc_ccsr_regs->reg_sicapr,
80 		mc_ccsr_regs->reg_mcfbalr,
81 		mc_ccsr_regs->reg_mcfbahr,
82 		mc_ccsr_regs->reg_mcfapr,
83 		mc_ccsr_regs->reg_psr);
84 }
85 #else
86 
87 #define dump_ram_words(title, addr)
88 #define dump_mc_ccsr_regs(mc_ccsr_regs)
89 
90 #endif /* DEBUG */
91 
92 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
93 /**
94  * Copying MC firmware or DPL image to DDR
95  */
mc_copy_image(const char * title,u64 image_addr,u32 image_size,u64 mc_ram_addr)96 static int mc_copy_image(const char *title,
97 			 u64 image_addr, u32 image_size, u64 mc_ram_addr)
98 {
99 	debug("%s copied to address %p\n", title, (void *)mc_ram_addr);
100 	memcpy((void *)mc_ram_addr, (void *)image_addr, image_size);
101 	flush_dcache_range(mc_ram_addr, mc_ram_addr + image_size);
102 	return 0;
103 }
104 
105 /**
106  * MC firmware FIT image parser checks if the image is in FIT
107  * format, verifies integrity of the image and calculates
108  * raw image address and size values.
109  * Returns 0 on success and a negative errno on error.
110  * task fail.
111  **/
parse_mc_firmware_fit_image(u64 mc_fw_addr,const void ** raw_image_addr,size_t * raw_image_size)112 int parse_mc_firmware_fit_image(u64 mc_fw_addr,
113 				const void **raw_image_addr,
114 				size_t *raw_image_size)
115 {
116 	int format;
117 	void *fit_hdr;
118 	int node_offset;
119 	const void *data;
120 	size_t size;
121 	const char *uname = "firmware";
122 
123 	fit_hdr = (void *)mc_fw_addr;
124 
125 	/* Check if Image is in FIT format */
126 	format = genimg_get_format(fit_hdr);
127 
128 	if (format != IMAGE_FORMAT_FIT) {
129 		printf("fsl-mc: ERR: Bad firmware image (not a FIT image)\n");
130 		return -EINVAL;
131 	}
132 
133 	if (!fit_check_format(fit_hdr)) {
134 		printf("fsl-mc: ERR: Bad firmware image (bad FIT header)\n");
135 		return -EINVAL;
136 	}
137 
138 	node_offset = fit_image_get_node(fit_hdr, uname);
139 
140 	if (node_offset < 0) {
141 		printf("fsl-mc: ERR: Bad firmware image (missing subimage)\n");
142 		return -ENOENT;
143 	}
144 
145 	/* Verify MC firmware image */
146 	if (!(fit_image_verify(fit_hdr, node_offset))) {
147 		printf("fsl-mc: ERR: Bad firmware image (bad CRC)\n");
148 		return -EINVAL;
149 	}
150 
151 	/* Get address and size of raw image */
152 	fit_image_get_data(fit_hdr, node_offset, &data, &size);
153 
154 	*raw_image_addr = data;
155 	*raw_image_size = size;
156 
157 	return 0;
158 }
159 #endif
160 
161 #define MC_DT_INCREASE_SIZE	64
162 
163 enum mc_fixup_type {
164 	MC_FIXUP_DPL,
165 	MC_FIXUP_DPC
166 };
167 
mc_fixup_mac_addr(void * blob,int nodeoffset,const char * propname,struct eth_device * eth_dev,enum mc_fixup_type type)168 static int mc_fixup_mac_addr(void *blob, int nodeoffset,
169 			     const char *propname, struct eth_device *eth_dev,
170 			     enum mc_fixup_type type)
171 {
172 	int err = 0, len = 0, size, i;
173 	unsigned char env_enetaddr[ARP_HLEN];
174 	unsigned int enetaddr_32[ARP_HLEN];
175 	void *val = NULL;
176 
177 	switch (type) {
178 	case MC_FIXUP_DPL:
179 	/* DPL likes its addresses on 32 * ARP_HLEN bits */
180 	for (i = 0; i < ARP_HLEN; i++)
181 		enetaddr_32[i] = cpu_to_fdt32(eth_dev->enetaddr[i]);
182 	val = enetaddr_32;
183 	len = sizeof(enetaddr_32);
184 	break;
185 
186 	case MC_FIXUP_DPC:
187 	val = eth_dev->enetaddr;
188 	len = ARP_HLEN;
189 	break;
190 	}
191 
192 	/* MAC address property present */
193 	if (fdt_get_property(blob, nodeoffset, propname, NULL)) {
194 		/* u-boot MAC addr randomly assigned - leave the present one */
195 		if (!eth_env_get_enetaddr_by_index("eth", eth_dev->index,
196 						   env_enetaddr))
197 			return err;
198 	} else {
199 		size = MC_DT_INCREASE_SIZE + strlen(propname) + len;
200 		/* make room for mac address property */
201 		err = fdt_increase_size(blob, size);
202 		if (err) {
203 			printf("fdt_increase_size: err=%s\n",
204 			       fdt_strerror(err));
205 			return err;
206 		}
207 	}
208 
209 	err = fdt_setprop(blob, nodeoffset, propname, val, len);
210 	if (err) {
211 		printf("fdt_setprop: err=%s\n", fdt_strerror(err));
212 		return err;
213 	}
214 
215 	return err;
216 }
217 
218 #define is_dpni(s) (s != NULL ? !strncmp(s, "dpni@", 5) : 0)
219 
dpl_get_connection_endpoint(void * blob,char * endpoint)220 const char *dpl_get_connection_endpoint(void *blob, char *endpoint)
221 {
222 	int connoffset = fdt_path_offset(blob, "/connections"), off;
223 	const char *s1, *s2;
224 
225 	for (off = fdt_first_subnode(blob, connoffset);
226 	     off >= 0;
227 	     off = fdt_next_subnode(blob, off)) {
228 		s1 = fdt_stringlist_get(blob, off, "endpoint1", 0, NULL);
229 		s2 = fdt_stringlist_get(blob, off, "endpoint2", 0, NULL);
230 
231 		if (!s1 || !s2)
232 			continue;
233 
234 		if (strcmp(endpoint, s1) == 0)
235 			return s2;
236 
237 		if (strcmp(endpoint, s2) == 0)
238 			return s1;
239 	}
240 
241 	return NULL;
242 }
243 
mc_fixup_dpl_mac_addr(void * blob,int dpmac_id,struct eth_device * eth_dev)244 static int mc_fixup_dpl_mac_addr(void *blob, int dpmac_id,
245 				 struct eth_device *eth_dev)
246 {
247 	int objoff = fdt_path_offset(blob, "/objects");
248 	int dpmacoff = -1, dpnioff = -1;
249 	const char *endpoint;
250 	char mac_name[10];
251 	int err;
252 
253 	sprintf(mac_name, "dpmac@%d", dpmac_id);
254 	dpmacoff = fdt_subnode_offset(blob, objoff, mac_name);
255 	if (dpmacoff < 0)
256 		/* dpmac not defined in DPL, so skip it. */
257 		return 0;
258 
259 	err = mc_fixup_mac_addr(blob, dpmacoff, "mac_addr", eth_dev,
260 				MC_FIXUP_DPL);
261 	if (err) {
262 		printf("Error fixing up dpmac mac_addr in DPL\n");
263 		return err;
264 	}
265 
266 	/* now we need to figure out if there is any
267 	 * DPNI connected to this MAC, so we walk the
268 	 * connection list
269 	 */
270 	endpoint = dpl_get_connection_endpoint(blob, mac_name);
271 	if (!is_dpni(endpoint))
272 		return 0;
273 
274 	/* let's see if we can fixup the DPNI as well */
275 	dpnioff = fdt_subnode_offset(blob, objoff, endpoint);
276 	if (dpnioff < 0)
277 		/* DPNI not defined in DPL in the objects area */
278 		return 0;
279 
280 	return mc_fixup_mac_addr(blob, dpnioff, "mac_addr", eth_dev,
281 				 MC_FIXUP_DPL);
282 }
283 
fdt_fsl_mc_fixup_iommu_map_entry(void * blob)284 void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
285 {
286 	u32 *prop;
287 	u32 iommu_map[4];
288 	int offset;
289 	int lenp;
290 
291 	/* find fsl-mc node */
292 	offset = fdt_path_offset(blob, "/soc/fsl-mc");
293 	if (offset < 0)
294 		offset = fdt_path_offset(blob, "/fsl-mc");
295 	if (offset < 0) {
296 		printf("%s: fsl-mc: ERR: fsl-mc node not found in DT, err %d\n",
297 		       __func__, offset);
298 		return;
299 	}
300 
301 	prop = fdt_getprop_w(blob, offset, "iommu-map", &lenp);
302 	if (!prop) {
303 		debug("%s: fsl-mc: ERR: missing iommu-map in fsl-mc bus node\n",
304 		      __func__);
305 		return;
306 	}
307 
308 	iommu_map[0] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
309 	iommu_map[1] = *++prop;
310 	iommu_map[2] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
311 	iommu_map[3] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_END -
312 		FSL_DPAA2_STREAM_ID_START + 1);
313 
314 	fdt_setprop_inplace(blob, offset, "iommu-map",
315 			    iommu_map, sizeof(iommu_map));
316 }
317 
mc_fixup_dpc_mac_addr(void * blob,int dpmac_id,struct eth_device * eth_dev)318 static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id,
319 				 struct eth_device *eth_dev)
320 {
321 	int nodeoffset = fdt_path_offset(blob, "/board_info/ports"), noff;
322 	int err = 0;
323 	char mac_name[10];
324 	const char link_type_mode[] = "MAC_LINK_TYPE_FIXED";
325 
326 	sprintf(mac_name, "mac@%d", dpmac_id);
327 
328 	/* node not found - create it */
329 	noff = fdt_subnode_offset(blob, nodeoffset, (const char *)mac_name);
330 	if (noff < 0) {
331 		err = fdt_increase_size(blob, 200);
332 		if (err) {
333 			printf("fdt_increase_size: err=%s\n",
334 				fdt_strerror(err));
335 			return err;
336 		}
337 
338 		noff = fdt_add_subnode(blob, nodeoffset, mac_name);
339 		if (noff < 0) {
340 			printf("fdt_add_subnode: err=%s\n",
341 			       fdt_strerror(err));
342 			return err;
343 		}
344 
345 		/* add default property of fixed link */
346 		err = fdt_appendprop_string(blob, noff,
347 					    "link_type", link_type_mode);
348 		if (err) {
349 			printf("fdt_appendprop_string: err=%s\n",
350 				fdt_strerror(err));
351 			return err;
352 		}
353 	}
354 
355 	return mc_fixup_mac_addr(blob, noff, "port_mac_address", eth_dev,
356 				 MC_FIXUP_DPC);
357 }
358 
mc_fixup_mac_addrs(void * blob,enum mc_fixup_type type)359 static int mc_fixup_mac_addrs(void *blob, enum mc_fixup_type type)
360 {
361 	int i, err = 0, ret = 0;
362 	char ethname[ETH_NAME_LEN];
363 	struct eth_device *eth_dev;
364 
365 	for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
366 		/* port not enabled */
367 		if (wriop_is_enabled_dpmac(i) != 1)
368 			continue;
369 
370 		snprintf(ethname, ETH_NAME_LEN, "DPMAC%d@%s", i,
371 			 phy_interface_strings[wriop_get_enet_if(i)]);
372 
373 		eth_dev = eth_get_dev_by_name(ethname);
374 		if (eth_dev == NULL)
375 			continue;
376 
377 		switch (type) {
378 		case MC_FIXUP_DPL:
379 			err = mc_fixup_dpl_mac_addr(blob, i, eth_dev);
380 			break;
381 		case MC_FIXUP_DPC:
382 			err = mc_fixup_dpc_mac_addr(blob, i, eth_dev);
383 			break;
384 		default:
385 			break;
386 		}
387 
388 		if (err)
389 			printf("fsl-mc: ERROR fixing mac address for %s\n",
390 			       ethname);
391 		ret |= err;
392 	}
393 
394 	return ret;
395 }
396 
mc_fixup_dpc(u64 dpc_addr)397 static int mc_fixup_dpc(u64 dpc_addr)
398 {
399 	void *blob = (void *)dpc_addr;
400 	int nodeoffset, err = 0;
401 
402 	/* delete any existing ICID pools */
403 	nodeoffset = fdt_path_offset(blob, "/resources/icid_pools");
404 	if (fdt_del_node(blob, nodeoffset) < 0)
405 		printf("\nfsl-mc: WARNING: could not delete ICID pool\n");
406 
407 	/* add a new pool */
408 	nodeoffset = fdt_path_offset(blob, "/resources");
409 	if (nodeoffset < 0) {
410 		printf("\nfsl-mc: ERROR: DPC is missing /resources\n");
411 		return -EINVAL;
412 	}
413 	nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pools");
414 	nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pool@0");
415 	do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
416 			     "base_icid", FSL_DPAA2_STREAM_ID_START, 1);
417 	do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
418 			     "num",
419 			     FSL_DPAA2_STREAM_ID_END -
420 			     FSL_DPAA2_STREAM_ID_START + 1, 1);
421 
422 	/* fixup MAC addresses for dpmac ports */
423 	nodeoffset = fdt_path_offset(blob, "/board_info/ports");
424 	if (nodeoffset < 0)
425 		goto out;
426 
427 	err = mc_fixup_mac_addrs(blob, MC_FIXUP_DPC);
428 
429 out:
430 	flush_dcache_range(dpc_addr, dpc_addr + fdt_totalsize(blob));
431 
432 	return err;
433 }
434 
load_mc_dpc(u64 mc_ram_addr,size_t mc_ram_size,u64 mc_dpc_addr)435 static int load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpc_addr)
436 {
437 	u64 mc_dpc_offset;
438 #ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
439 	int error;
440 	void *dpc_fdt_hdr;
441 	int dpc_size;
442 #endif
443 
444 #ifdef CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET
445 	BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET & 0x3) != 0 ||
446 		     CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET > 0xffffffff);
447 
448 	mc_dpc_offset = CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET;
449 #else
450 #error "CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET not defined"
451 #endif
452 
453 	/*
454 	 * Load the MC DPC blob in the MC private DRAM block:
455 	 */
456 #ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
457 	printf("MC DPC is preloaded to %#llx\n", mc_ram_addr + mc_dpc_offset);
458 #else
459 	/*
460 	 * Get address and size of the DPC blob stored in flash:
461 	 */
462 	dpc_fdt_hdr = (void *)mc_dpc_addr;
463 
464 	error = fdt_check_header(dpc_fdt_hdr);
465 	if (error != 0) {
466 		/*
467 		 * Don't return with error here, since the MC firmware can
468 		 * still boot without a DPC
469 		 */
470 		printf("\nfsl-mc: WARNING: No DPC image found");
471 		return 0;
472 	}
473 
474 	dpc_size = fdt_totalsize(dpc_fdt_hdr);
475 	if (dpc_size > CONFIG_SYS_LS_MC_DPC_MAX_LENGTH) {
476 		printf("\nfsl-mc: ERROR: Bad DPC image (too large: %d)\n",
477 		       dpc_size);
478 		return -EINVAL;
479 	}
480 
481 	mc_copy_image("MC DPC blob",
482 		      (u64)dpc_fdt_hdr, dpc_size, mc_ram_addr + mc_dpc_offset);
483 #endif /* not defined CONFIG_SYS_LS_MC_DPC_IN_DDR */
484 
485 	if (mc_fixup_dpc(mc_ram_addr + mc_dpc_offset))
486 		return -EINVAL;
487 
488 	dump_ram_words("DPC", (void *)(mc_ram_addr + mc_dpc_offset));
489 	return 0;
490 }
491 
492 
mc_fixup_dpl(u64 dpl_addr)493 static int mc_fixup_dpl(u64 dpl_addr)
494 {
495 	void *blob = (void *)dpl_addr;
496 	u32 ver = fdt_getprop_u32_default(blob, "/", "dpl-version", 0);
497 	int err = 0;
498 
499 	/* The DPL fixup for mac addresses is only relevant
500 	 * for old-style DPLs
501 	 */
502 	if (ver >= 10)
503 		return 0;
504 
505 	err = mc_fixup_mac_addrs(blob, MC_FIXUP_DPL);
506 	flush_dcache_range(dpl_addr, dpl_addr + fdt_totalsize(blob));
507 
508 	return err;
509 }
510 
load_mc_dpl(u64 mc_ram_addr,size_t mc_ram_size,u64 mc_dpl_addr)511 static int load_mc_dpl(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpl_addr)
512 {
513 	u64 mc_dpl_offset;
514 #ifndef CONFIG_SYS_LS_MC_DPL_IN_DDR
515 	int error;
516 	void *dpl_fdt_hdr;
517 	int dpl_size;
518 #endif
519 
520 #ifdef CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET
521 	BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET & 0x3) != 0 ||
522 		     CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET > 0xffffffff);
523 
524 	mc_dpl_offset = CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET;
525 #else
526 #error "CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET not defined"
527 #endif
528 
529 	/*
530 	 * Load the MC DPL blob in the MC private DRAM block:
531 	 */
532 #ifdef CONFIG_SYS_LS_MC_DPL_IN_DDR
533 	printf("MC DPL is preloaded to %#llx\n", mc_ram_addr + mc_dpl_offset);
534 #else
535 	/*
536 	 * Get address and size of the DPL blob stored in flash:
537 	 */
538 	dpl_fdt_hdr = (void *)mc_dpl_addr;
539 
540 	error = fdt_check_header(dpl_fdt_hdr);
541 	if (error != 0) {
542 		printf("\nfsl-mc: ERROR: Bad DPL image (bad header)\n");
543 		return error;
544 	}
545 
546 	dpl_size = fdt_totalsize(dpl_fdt_hdr);
547 	if (dpl_size > CONFIG_SYS_LS_MC_DPL_MAX_LENGTH) {
548 		printf("\nfsl-mc: ERROR: Bad DPL image (too large: %d)\n",
549 		       dpl_size);
550 		return -EINVAL;
551 	}
552 
553 	mc_copy_image("MC DPL blob",
554 		      (u64)dpl_fdt_hdr, dpl_size, mc_ram_addr + mc_dpl_offset);
555 #endif /* not defined CONFIG_SYS_LS_MC_DPL_IN_DDR */
556 
557 	if (mc_fixup_dpl(mc_ram_addr + mc_dpl_offset))
558 		return -EINVAL;
559 	dump_ram_words("DPL", (void *)(mc_ram_addr + mc_dpl_offset));
560 	return 0;
561 }
562 
563 /**
564  * Return the MC boot timeout value in milliseconds
565  */
get_mc_boot_timeout_ms(void)566 static unsigned long get_mc_boot_timeout_ms(void)
567 {
568 	unsigned long timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
569 
570 	char *timeout_ms_env_var = env_get(MC_BOOT_TIMEOUT_ENV_VAR);
571 
572 	if (timeout_ms_env_var) {
573 		timeout_ms = simple_strtoul(timeout_ms_env_var, NULL, 10);
574 		if (timeout_ms == 0) {
575 			printf("fsl-mc: WARNING: Invalid value for \'"
576 			       MC_BOOT_TIMEOUT_ENV_VAR
577 			       "\' environment variable: %lu\n",
578 			       timeout_ms);
579 
580 			timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
581 		}
582 	}
583 
584 	return timeout_ms;
585 }
586 
587 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
588 
soc_has_aiop(void)589 __weak bool soc_has_aiop(void)
590 {
591 	return false;
592 }
593 
load_mc_aiop_img(u64 aiop_fw_addr)594 static int load_mc_aiop_img(u64 aiop_fw_addr)
595 {
596 	u64 mc_ram_addr = mc_get_dram_addr();
597 #ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
598 	void *aiop_img;
599 #endif
600 
601 	/* Check if AIOP is available */
602 	if (!soc_has_aiop())
603 		return -ENODEV;
604 	/*
605 	 * Load the MC AIOP image in the MC private DRAM block:
606 	 */
607 
608 #ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
609 	printf("MC AIOP is preloaded to %#llx\n", mc_ram_addr +
610 	       CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
611 #else
612 	aiop_img = (void *)aiop_fw_addr;
613 	mc_copy_image("MC AIOP image",
614 		      (u64)aiop_img, CONFIG_SYS_LS_MC_AIOP_IMG_MAX_LENGTH,
615 		      mc_ram_addr + CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
616 #endif
617 	mc_aiop_applied = 0;
618 
619 	return 0;
620 }
621 #endif
622 
wait_for_mc(bool booting_mc,u32 * final_reg_gsr)623 static int wait_for_mc(bool booting_mc, u32 *final_reg_gsr)
624 {
625 	u32 reg_gsr;
626 	u32 mc_fw_boot_status;
627 	unsigned long timeout_ms = get_mc_boot_timeout_ms();
628 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
629 
630 	dmb();
631 	assert(timeout_ms > 0);
632 	for (;;) {
633 		udelay(1000);	/* throttle polling */
634 		reg_gsr = in_le32(&mc_ccsr_regs->reg_gsr);
635 		mc_fw_boot_status = (reg_gsr & GSR_FS_MASK);
636 		if (mc_fw_boot_status & 0x1)
637 			break;
638 
639 		timeout_ms--;
640 		if (timeout_ms == 0)
641 			break;
642 	}
643 
644 	if (timeout_ms == 0) {
645 		printf("ERROR: timeout\n");
646 
647 		/* TODO: Get an error status from an MC CCSR register */
648 		return -ETIMEDOUT;
649 	}
650 
651 	if (mc_fw_boot_status != 0x1) {
652 		/*
653 		 * TODO: Identify critical errors from the GSR register's FS
654 		 * field and for those errors, set error to -ENODEV or other
655 		 * appropriate errno, so that the status property is set to
656 		 * failure in the fsl,dprc device tree node.
657 		 */
658 		printf("WARNING: Firmware returned an error (GSR: %#x)\n",
659 		       reg_gsr);
660 	} else {
661 		printf("SUCCESS\n");
662 	}
663 
664 
665 	*final_reg_gsr = reg_gsr;
666 	return 0;
667 }
668 
mc_init(u64 mc_fw_addr,u64 mc_dpc_addr)669 int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
670 {
671 	int error = 0;
672 	int portal_id = 0;
673 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
674 	u64 mc_ram_addr = mc_get_dram_addr();
675 	u32 reg_gsr;
676 	u32 reg_mcfbalr;
677 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
678 	const void *raw_image_addr;
679 	size_t raw_image_size = 0;
680 #endif
681 	struct mc_version mc_ver_info;
682 	u8 mc_ram_num_256mb_blocks;
683 	size_t mc_ram_size = mc_get_dram_block_size();
684 
685 	mc_ram_num_256mb_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
686 
687 	if (mc_ram_num_256mb_blocks >= 0xff) {
688 		error = -EINVAL;
689 		printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
690 		       mc_ram_size);
691 		goto out;
692 	}
693 
694 	/*
695 	 * To support 128 MB DDR Size for MC
696 	 */
697 	if (mc_ram_num_256mb_blocks == 0)
698 		mc_ram_num_256mb_blocks = 0xFF;
699 
700 	/*
701 	 * Management Complex cores should be held at reset out of POR.
702 	 * U-Boot should be the first software to touch MC. To be safe,
703 	 * we reset all cores again by setting GCR1 to 0. It doesn't do
704 	 * anything if they are held at reset. After we setup the firmware
705 	 * we kick off MC by deasserting the reset bit for core 0, and
706 	 * deasserting the reset bits for Command Portal Managers.
707 	 * The stop bits are not touched here. They are used to stop the
708 	 * cores when they are active. Setting stop bits doesn't stop the
709 	 * cores from fetching instructions when they are released from
710 	 * reset.
711 	 */
712 	out_le32(&mc_ccsr_regs->reg_gcr1, 0);
713 	dmb();
714 
715 #ifdef CONFIG_SYS_LS_MC_FW_IN_DDR
716 	printf("MC firmware is preloaded to %#llx\n", mc_ram_addr);
717 #else
718 	error = parse_mc_firmware_fit_image(mc_fw_addr, &raw_image_addr,
719 					    &raw_image_size);
720 	if (error != 0)
721 		goto out;
722 	/*
723 	 * Load the MC FW at the beginning of the MC private DRAM block:
724 	 */
725 	mc_copy_image("MC Firmware",
726 		      (u64)raw_image_addr, raw_image_size, mc_ram_addr);
727 #endif
728 	dump_ram_words("firmware", (void *)mc_ram_addr);
729 
730 	error = load_mc_dpc(mc_ram_addr, mc_ram_size, mc_dpc_addr);
731 	if (error != 0)
732 		goto out;
733 
734 	debug("mc_ccsr_regs %p\n", mc_ccsr_regs);
735 	dump_mc_ccsr_regs(mc_ccsr_regs);
736 
737 	/*
738 	 * Tell MC what is the address range of the DRAM block assigned to it:
739 	 */
740 	if (mc_ram_num_256mb_blocks < 0xFF) {
741 		reg_mcfbalr = (u32)mc_ram_addr |
742 				(mc_ram_num_256mb_blocks - 1);
743 	} else {
744 		reg_mcfbalr = (u32)mc_ram_addr |
745 				(mc_ram_num_256mb_blocks);
746 	}
747 
748 	out_le32(&mc_ccsr_regs->reg_mcfbalr, reg_mcfbalr);
749 	out_le32(&mc_ccsr_regs->reg_mcfbahr,
750 		 (u32)(mc_ram_addr >> 32));
751 	out_le32(&mc_ccsr_regs->reg_mcfapr, FSL_BYPASS_AMQ);
752 
753 	/*
754 	 * Tell the MC that we want delayed DPL deployment.
755 	 */
756 	out_le32(&mc_ccsr_regs->reg_gsr, 0xDD00);
757 
758 	printf("\nfsl-mc: Booting Management Complex ... ");
759 
760 	/*
761 	 * Deassert reset and release MC core 0 to run
762 	 */
763 	out_le32(&mc_ccsr_regs->reg_gcr1, GCR1_P1_DE_RST | GCR1_M_ALL_DE_RST);
764 	error = wait_for_mc(true, &reg_gsr);
765 	if (error != 0)
766 		goto out;
767 
768 	/*
769 	 * TODO: need to obtain the portal_id for the root container from the
770 	 * DPL
771 	 */
772 	portal_id = 0;
773 
774 	/*
775 	 * Initialize the global default MC portal
776 	 * And check that the MC firmware is responding portal commands:
777 	 */
778 	root_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
779 	if (!root_mc_io) {
780 		printf(" No memory: calloc() failed\n");
781 		return -ENOMEM;
782 	}
783 
784 	root_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(portal_id);
785 	debug("Checking access to MC portal of root DPRC container (portal_id %d, portal physical addr %p)\n",
786 	      portal_id, root_mc_io->mmio_regs);
787 
788 	error = mc_get_version(root_mc_io, MC_CMD_NO_FLAGS, &mc_ver_info);
789 	if (error != 0) {
790 		printf("fsl-mc: ERROR: Firmware version check failed (error: %d)\n",
791 		       error);
792 		goto out;
793 	}
794 
795 	printf("fsl-mc: Management Complex booted (version: %d.%d.%d, boot status: %#x)\n",
796 	       mc_ver_info.major, mc_ver_info.minor, mc_ver_info.revision,
797 	       reg_gsr & GSR_FS_MASK);
798 
799 out:
800 	if (error != 0)
801 		mc_boot_status = error;
802 	else
803 		mc_boot_status = 0;
804 
805 	return error;
806 }
807 
mc_apply_dpl(u64 mc_dpl_addr)808 int mc_apply_dpl(u64 mc_dpl_addr)
809 {
810 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
811 	int error = 0;
812 	u32 reg_gsr;
813 	u64 mc_ram_addr = mc_get_dram_addr();
814 	size_t mc_ram_size = mc_get_dram_block_size();
815 
816 	if (!mc_dpl_addr)
817 		return -1;
818 
819 	error = load_mc_dpl(mc_ram_addr, mc_ram_size, mc_dpl_addr);
820 	if (error != 0)
821 		return error;
822 
823 	/*
824 	 * Tell the MC to deploy the DPL:
825 	 */
826 	out_le32(&mc_ccsr_regs->reg_gsr, 0x0);
827 	printf("fsl-mc: Deploying data path layout ... ");
828 	error = wait_for_mc(false, &reg_gsr);
829 
830 	if (!error)
831 		mc_dpl_applied = 0;
832 
833 	return error;
834 }
835 
get_mc_boot_status(void)836 int get_mc_boot_status(void)
837 {
838 	return mc_boot_status;
839 }
840 
841 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
get_aiop_apply_status(void)842 int get_aiop_apply_status(void)
843 {
844 	return mc_aiop_applied;
845 }
846 #endif
847 
get_dpl_apply_status(void)848 int get_dpl_apply_status(void)
849 {
850 	return mc_dpl_applied;
851 }
852 
is_lazy_dpl_addr_valid(void)853 int is_lazy_dpl_addr_valid(void)
854 {
855 	return !!mc_lazy_dpl_addr;
856 }
857 
858 /*
859  * Return the MC address of private DRAM block.
860  * As per MC design document, MC initial base address
861  * should be least significant 512MB address of MC private
862  * memory, i.e. address should point to end address masked
863  * with 512MB offset in private DRAM block.
864  */
mc_get_dram_addr(void)865 u64 mc_get_dram_addr(void)
866 {
867 	size_t mc_ram_size = mc_get_dram_block_size();
868 
869 	if (!mc_memset_resv_ram || (get_mc_boot_status() < 0)) {
870 		mc_memset_resv_ram = 1;
871 		memset((void *)gd->arch.resv_ram, 0, mc_ram_size);
872 	}
873 
874 	return (gd->arch.resv_ram + mc_ram_size - 1) &
875 		MC_RAM_BASE_ADDR_ALIGNMENT_MASK;
876 }
877 
878 /**
879  * Return the actual size of the MC private DRAM block.
880  */
mc_get_dram_block_size(void)881 unsigned long mc_get_dram_block_size(void)
882 {
883 	unsigned long dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
884 
885 	char *dram_block_size_env_var = env_get(MC_MEM_SIZE_ENV_VAR);
886 
887 	if (dram_block_size_env_var) {
888 		dram_block_size = simple_strtoul(dram_block_size_env_var, NULL,
889 						 16);
890 
891 		if (dram_block_size < CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE) {
892 			printf("fsl-mc: WARNING: Invalid value for \'"
893 			       MC_MEM_SIZE_ENV_VAR
894 			       "\' environment variable: %lu\n",
895 			       dram_block_size);
896 
897 			dram_block_size = MC_DRAM_BLOCK_DEFAULT_SIZE;
898 		}
899 	}
900 
901 	return dram_block_size;
902 }
903 
fsl_mc_ldpaa_init(bd_t * bis)904 int fsl_mc_ldpaa_init(bd_t *bis)
905 {
906 	int i;
907 
908 	for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++)
909 		if (wriop_is_enabled_dpmac(i) == 1)
910 			ldpaa_eth_init(i, wriop_get_enet_if(i));
911 	return 0;
912 }
913 
dprc_version_check(struct fsl_mc_io * mc_io,uint16_t handle)914 static int dprc_version_check(struct fsl_mc_io *mc_io, uint16_t handle)
915 {
916 	int error;
917 	uint16_t major_ver, minor_ver;
918 
919 	error = dprc_get_api_version(mc_io, 0,
920 				     &major_ver,
921 				     &minor_ver);
922 	if (error < 0) {
923 		printf("dprc_get_api_version() failed: %d\n", error);
924 		return error;
925 	}
926 
927 	if (major_ver < DPRC_VER_MAJOR || (major_ver == DPRC_VER_MAJOR &&
928 					   minor_ver < DPRC_VER_MINOR)) {
929 		printf("DPRC version mismatch found %u.%u,",
930 		       major_ver, minor_ver);
931 		printf("supported version is %u.%u\n",
932 		       DPRC_VER_MAJOR, DPRC_VER_MINOR);
933 	}
934 
935 	return error;
936 }
937 
dpio_init(void)938 static int dpio_init(void)
939 {
940 	struct qbman_swp_desc p_des;
941 	struct dpio_attr attr;
942 	struct dpio_cfg dpio_cfg;
943 	int err = 0;
944 	uint16_t major_ver, minor_ver;
945 
946 	dflt_dpio = (struct fsl_dpio_obj *)calloc(
947 					sizeof(struct fsl_dpio_obj), 1);
948 	if (!dflt_dpio) {
949 		printf("No memory: calloc() failed\n");
950 		err = -ENOMEM;
951 		goto err_calloc;
952 	}
953 	dpio_cfg.channel_mode = DPIO_LOCAL_CHANNEL;
954 	dpio_cfg.num_priorities = 8;
955 
956 	err = dpio_create(dflt_mc_io,
957 			  dflt_dprc_handle,
958 			  MC_CMD_NO_FLAGS,
959 			  &dpio_cfg,
960 			  &dflt_dpio->dpio_id);
961 	if (err < 0) {
962 		printf("dpio_create() failed: %d\n", err);
963 		err = -ENODEV;
964 		goto err_create;
965 	}
966 
967 	err = dpio_get_api_version(dflt_mc_io, 0,
968 				   &major_ver,
969 				   &minor_ver);
970 	if (err < 0) {
971 		printf("dpio_get_api_version() failed: %d\n", err);
972 		goto err_get_api_ver;
973 	}
974 
975 	if (major_ver < DPIO_VER_MAJOR || (major_ver == DPIO_VER_MAJOR &&
976 					   minor_ver < DPIO_VER_MINOR)) {
977 		printf("DPRC version mismatch found %u.%u,",
978 		       major_ver,
979 		       minor_ver);
980 	}
981 
982 	err = dpio_open(dflt_mc_io,
983 			MC_CMD_NO_FLAGS,
984 			dflt_dpio->dpio_id,
985 			&dflt_dpio->dpio_handle);
986 	if (err) {
987 		printf("dpio_open() failed\n");
988 		goto err_open;
989 	}
990 
991 	memset(&attr, 0, sizeof(struct dpio_attr));
992 	err = dpio_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
993 				  dflt_dpio->dpio_handle, &attr);
994 	if (err < 0) {
995 		printf("dpio_get_attributes() failed: %d\n", err);
996 		goto err_get_attr;
997 	}
998 
999 	if (dflt_dpio->dpio_id != attr.id) {
1000 		printf("dnpi object id and attribute id are not same\n");
1001 		goto err_attr_not_same;
1002 	}
1003 
1004 #ifdef DEBUG
1005 	printf("Init: DPIO id=0x%d\n", dflt_dpio->dpio_id);
1006 #endif
1007 	err = dpio_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1008 	if (err < 0) {
1009 		printf("dpio_enable() failed %d\n", err);
1010 		goto err_get_enable;
1011 	}
1012 	debug("ce_offset=0x%llx, ci_offset=0x%llx, portalid=%d, prios=%d\n",
1013 	      attr.qbman_portal_ce_offset,
1014 	      attr.qbman_portal_ci_offset,
1015 	      attr.qbman_portal_id,
1016 	      attr.num_priorities);
1017 
1018 	p_des.cena_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
1019 					+ attr.qbman_portal_ce_offset);
1020 	p_des.cinh_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
1021 					+ attr.qbman_portal_ci_offset);
1022 
1023 	dflt_dpio->sw_portal = qbman_swp_init(&p_des);
1024 	if (dflt_dpio->sw_portal == NULL) {
1025 		printf("qbman_swp_init() failed\n");
1026 		goto err_get_swp_init;
1027 	}
1028 	return 0;
1029 
1030 err_get_swp_init:
1031 	dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1032 err_get_enable:
1033 err_get_attr:
1034 err_attr_not_same:
1035 	dpio_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1036 err_open:
1037 err_get_api_ver:
1038 	dpio_destroy(dflt_mc_io,
1039 		     dflt_dprc_handle,
1040 		     MC_CMD_NO_FLAGS,
1041 		     dflt_dpio->dpio_id);
1042 err_create:
1043 	free(dflt_dpio);
1044 err_calloc:
1045 	return err;
1046 }
1047 
dpio_exit(void)1048 static int dpio_exit(void)
1049 {
1050 	int err;
1051 
1052 	err = dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1053 	if (err < 0) {
1054 		printf("dpio_disable() failed: %d\n", err);
1055 		goto err;
1056 	}
1057 
1058 	dpio_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1059 	if (err < 0) {
1060 		printf("dpio_close() failed: %d\n", err);
1061 		goto err;
1062 	}
1063 
1064 	err = dpio_destroy(dflt_mc_io,
1065 			   dflt_dprc_handle,
1066 			   MC_CMD_NO_FLAGS,
1067 			   dflt_dpio->dpio_id);
1068 	if (err < 0) {
1069 		printf("dpio_destroy() failed: %d\n", err);
1070 		goto err;
1071 	}
1072 
1073 #ifdef DEBUG
1074 	printf("Exit: DPIO id=0x%d\n", dflt_dpio->dpio_id);
1075 #endif
1076 
1077 	if (dflt_dpio)
1078 		free(dflt_dpio);
1079 
1080 	return 0;
1081 err:
1082 	return err;
1083 }
1084 
dprc_init(void)1085 static int dprc_init(void)
1086 {
1087 	int err, child_portal_id, container_id;
1088 	struct dprc_cfg cfg;
1089 	uint64_t mc_portal_offset;
1090 
1091 	/* Open root container */
1092 	err = dprc_get_container_id(root_mc_io, MC_CMD_NO_FLAGS, &container_id);
1093 	if (err < 0) {
1094 		printf("dprc_get_container_id(): Root failed: %d\n", err);
1095 		goto err_root_container_id;
1096 	}
1097 
1098 #ifdef DEBUG
1099 	printf("Root container id = %d\n", container_id);
1100 #endif
1101 	err = dprc_open(root_mc_io, MC_CMD_NO_FLAGS, container_id,
1102 			&root_dprc_handle);
1103 	if (err < 0) {
1104 		printf("dprc_open(): Root Container failed: %d\n", err);
1105 		goto err_root_open;
1106 	}
1107 
1108 	if (!root_dprc_handle) {
1109 		printf("dprc_open(): Root Container Handle is not valid\n");
1110 		goto err_root_open;
1111 	}
1112 
1113 	err = dprc_version_check(root_mc_io, root_dprc_handle);
1114 	if (err < 0) {
1115 		printf("dprc_version_check() failed: %d\n", err);
1116 		goto err_root_open;
1117 	}
1118 
1119 	memset(&cfg, 0, sizeof(struct dprc_cfg));
1120 	cfg.options = DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED |
1121 		      DPRC_CFG_OPT_OBJ_CREATE_ALLOWED |
1122 		      DPRC_CFG_OPT_ALLOC_ALLOWED;
1123 	cfg.icid = DPRC_GET_ICID_FROM_POOL;
1124 	cfg.portal_id = DPRC_GET_PORTAL_ID_FROM_POOL;
1125 	err = dprc_create_container(root_mc_io, MC_CMD_NO_FLAGS,
1126 			root_dprc_handle,
1127 			&cfg,
1128 			&child_dprc_id,
1129 			&mc_portal_offset);
1130 	if (err < 0) {
1131 		printf("dprc_create_container() failed: %d\n", err);
1132 		goto err_create;
1133 	}
1134 
1135 	dflt_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
1136 	if (!dflt_mc_io) {
1137 		err  = -ENOMEM;
1138 		printf(" No memory: calloc() failed\n");
1139 		goto err_calloc;
1140 	}
1141 
1142 	child_portal_id = MC_PORTAL_OFFSET_TO_PORTAL_ID(mc_portal_offset);
1143 	dflt_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(child_portal_id);
1144 
1145 #ifdef DEBUG
1146 	printf("MC portal of child DPRC container: %d, physical addr %p)\n",
1147 	       child_dprc_id, dflt_mc_io->mmio_regs);
1148 #endif
1149 
1150 	err = dprc_open(dflt_mc_io, MC_CMD_NO_FLAGS, child_dprc_id,
1151 			&dflt_dprc_handle);
1152 	if (err < 0) {
1153 		printf("dprc_open(): Child container failed: %d\n", err);
1154 		goto err_child_open;
1155 	}
1156 
1157 	if (!dflt_dprc_handle) {
1158 		printf("dprc_open(): Child container Handle is not valid\n");
1159 		goto err_child_open;
1160 	}
1161 
1162 	return 0;
1163 err_child_open:
1164 	free(dflt_mc_io);
1165 err_calloc:
1166 	dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
1167 			       root_dprc_handle, child_dprc_id);
1168 err_create:
1169 	dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
1170 err_root_open:
1171 err_root_container_id:
1172 	return err;
1173 }
1174 
dprc_exit(void)1175 static int dprc_exit(void)
1176 {
1177 	int err;
1178 
1179 	err = dprc_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dprc_handle);
1180 	if (err < 0) {
1181 		printf("dprc_close(): Child failed: %d\n", err);
1182 		goto err;
1183 	}
1184 
1185 	err = dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
1186 				     root_dprc_handle, child_dprc_id);
1187 	if (err < 0) {
1188 		printf("dprc_destroy_container() failed: %d\n", err);
1189 		goto err;
1190 	}
1191 
1192 	err = dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
1193 	if (err < 0) {
1194 		printf("dprc_close(): Root failed: %d\n", err);
1195 		goto err;
1196 	}
1197 
1198 	if (dflt_mc_io)
1199 		free(dflt_mc_io);
1200 
1201 	if (root_mc_io)
1202 		free(root_mc_io);
1203 
1204 	return 0;
1205 
1206 err:
1207 	return err;
1208 }
1209 
dpbp_init(void)1210 static int dpbp_init(void)
1211 {
1212 	int err;
1213 	struct dpbp_attr dpbp_attr;
1214 	struct dpbp_cfg dpbp_cfg;
1215 	uint16_t major_ver, minor_ver;
1216 
1217 	dflt_dpbp = (struct fsl_dpbp_obj *)calloc(
1218 					sizeof(struct fsl_dpbp_obj), 1);
1219 	if (!dflt_dpbp) {
1220 		printf("No memory: calloc() failed\n");
1221 		err = -ENOMEM;
1222 		goto err_calloc;
1223 	}
1224 
1225 	dpbp_cfg.options = 512;
1226 
1227 	err = dpbp_create(dflt_mc_io,
1228 			  dflt_dprc_handle,
1229 			  MC_CMD_NO_FLAGS,
1230 			  &dpbp_cfg,
1231 			  &dflt_dpbp->dpbp_id);
1232 
1233 	if (err < 0) {
1234 		err = -ENODEV;
1235 		printf("dpbp_create() failed: %d\n", err);
1236 		goto err_create;
1237 	}
1238 
1239 	err = dpbp_get_api_version(dflt_mc_io, 0,
1240 				   &major_ver,
1241 				   &minor_ver);
1242 	if (err < 0) {
1243 		printf("dpbp_get_api_version() failed: %d\n", err);
1244 		goto err_get_api_ver;
1245 	}
1246 
1247 	if (major_ver < DPBP_VER_MAJOR || (major_ver == DPBP_VER_MAJOR &&
1248 					   minor_ver < DPBP_VER_MINOR)) {
1249 		printf("DPBP version mismatch found %u.%u,",
1250 		       major_ver, minor_ver);
1251 		printf("supported version is %u.%u\n",
1252 		       DPBP_VER_MAJOR, DPBP_VER_MINOR);
1253 	}
1254 
1255 	err = dpbp_open(dflt_mc_io,
1256 			MC_CMD_NO_FLAGS,
1257 			dflt_dpbp->dpbp_id,
1258 			&dflt_dpbp->dpbp_handle);
1259 	if (err) {
1260 		printf("dpbp_open() failed\n");
1261 		goto err_open;
1262 	}
1263 
1264 	memset(&dpbp_attr, 0, sizeof(struct dpbp_attr));
1265 	err = dpbp_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
1266 				  dflt_dpbp->dpbp_handle,
1267 				  &dpbp_attr);
1268 	if (err < 0) {
1269 		printf("dpbp_get_attributes() failed: %d\n", err);
1270 		goto err_get_attr;
1271 	}
1272 
1273 	if (dflt_dpbp->dpbp_id != dpbp_attr.id) {
1274 		printf("dpbp object id and attribute id are not same\n");
1275 		goto err_attr_not_same;
1276 	}
1277 
1278 #ifdef DEBUG
1279 	printf("Init: DPBP id=0x%x\n", dflt_dpbp->dpbp_attr.id);
1280 #endif
1281 
1282 	err = dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
1283 	if (err < 0) {
1284 		printf("dpbp_close() failed: %d\n", err);
1285 		goto err_close;
1286 	}
1287 
1288 	return 0;
1289 
1290 err_get_attr:
1291 err_attr_not_same:
1292 	dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
1293 	dpbp_destroy(dflt_mc_io,
1294 		     dflt_dprc_handle,
1295 		     MC_CMD_NO_FLAGS,
1296 		     dflt_dpbp->dpbp_id);
1297 err_get_api_ver:
1298 err_close:
1299 err_open:
1300 err_create:
1301 	free(dflt_dpbp);
1302 err_calloc:
1303 	return err;
1304 }
1305 
dpbp_exit(void)1306 static int dpbp_exit(void)
1307 {
1308 	int err;
1309 
1310 	err = dpbp_destroy(dflt_mc_io, dflt_dprc_handle, MC_CMD_NO_FLAGS,
1311 			   dflt_dpbp->dpbp_id);
1312 	if (err < 0) {
1313 		printf("dpbp_destroy() failed: %d\n", err);
1314 		goto err;
1315 	}
1316 
1317 #ifdef DEBUG
1318 	printf("Exit: DPBP id=0x%d\n", dflt_dpbp->dpbp_attr.id);
1319 #endif
1320 
1321 	if (dflt_dpbp)
1322 		free(dflt_dpbp);
1323 	return 0;
1324 
1325 err:
1326 	return err;
1327 }
1328 
dpni_init(void)1329 static int dpni_init(void)
1330 {
1331 	int err;
1332 	uint8_t	cfg_buf[256] = {0};
1333 	struct dpni_cfg dpni_cfg;
1334 	uint16_t major_ver, minor_ver;
1335 
1336 	dflt_dpni = (struct fsl_dpni_obj *)calloc(
1337 					sizeof(struct fsl_dpni_obj), 1);
1338 	if (!dflt_dpni) {
1339 		printf("No memory: calloc() failed\n");
1340 		err = -ENOMEM;
1341 		goto err_calloc;
1342 	}
1343 
1344 	memset(&dpni_cfg, 0, sizeof(dpni_cfg));
1345 	err = dpni_prepare_cfg(&dpni_cfg, &cfg_buf[0]);
1346 	if (err < 0) {
1347 		err = -ENODEV;
1348 		printf("dpni_prepare_cfg() failed: %d\n", err);
1349 		goto err_prepare_cfg;
1350 	}
1351 
1352 	err = dpni_create(dflt_mc_io,
1353 			  dflt_dprc_handle,
1354 			  MC_CMD_NO_FLAGS,
1355 			  &dpni_cfg,
1356 			  &dflt_dpni->dpni_id);
1357 	if (err < 0) {
1358 		err = -ENODEV;
1359 		printf("dpni create() failed: %d\n", err);
1360 		goto err_create;
1361 	}
1362 
1363 	err = dpni_get_api_version(dflt_mc_io, 0,
1364 				   &major_ver,
1365 				   &minor_ver);
1366 	if (err < 0) {
1367 		printf("dpni_get_api_version() failed: %d\n", err);
1368 		goto err_get_version;
1369 	}
1370 
1371 	if (major_ver < DPNI_VER_MAJOR || (major_ver == DPNI_VER_MAJOR &&
1372 					   minor_ver < DPNI_VER_MINOR)) {
1373 		printf("DPNI version mismatch found %u.%u,",
1374 		       major_ver, minor_ver);
1375 		printf("supported version is %u.%u\n",
1376 		       DPNI_VER_MAJOR, DPNI_VER_MINOR);
1377 	}
1378 
1379 	err = dpni_open(dflt_mc_io,
1380 			MC_CMD_NO_FLAGS,
1381 			dflt_dpni->dpni_id,
1382 			&dflt_dpni->dpni_handle);
1383 	if (err) {
1384 		printf("dpni_open() failed\n");
1385 		goto err_open;
1386 	}
1387 
1388 #ifdef DEBUG
1389 	printf("Init: DPNI id=0x%d\n", dflt_dpni->dpni_id);
1390 #endif
1391 	err = dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
1392 	if (err < 0) {
1393 		printf("dpni_close() failed: %d\n", err);
1394 		goto err_close;
1395 	}
1396 
1397 	return 0;
1398 
1399 err_close:
1400 	dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
1401 err_open:
1402 err_get_version:
1403 	dpni_destroy(dflt_mc_io,
1404 		     dflt_dprc_handle,
1405 		     MC_CMD_NO_FLAGS,
1406 		     dflt_dpni->dpni_id);
1407 err_create:
1408 err_prepare_cfg:
1409 	free(dflt_dpni);
1410 err_calloc:
1411 	return err;
1412 }
1413 
dpni_exit(void)1414 static int dpni_exit(void)
1415 {
1416 	int err;
1417 
1418 	err = dpni_destroy(dflt_mc_io, dflt_dprc_handle, MC_CMD_NO_FLAGS,
1419 			   dflt_dpni->dpni_id);
1420 	if (err < 0) {
1421 		printf("dpni_destroy() failed: %d\n", err);
1422 		goto err;
1423 	}
1424 
1425 #ifdef DEBUG
1426 	printf("Exit: DPNI id=0x%d\n", dflt_dpni->dpni_id);
1427 #endif
1428 
1429 	if (dflt_dpni)
1430 		free(dflt_dpni);
1431 	return 0;
1432 
1433 err:
1434 	return err;
1435 }
1436 
mc_init_object(void)1437 static int mc_init_object(void)
1438 {
1439 	int err = 0;
1440 
1441 	err = dprc_init();
1442 	if (err < 0) {
1443 		printf("dprc_init() failed: %d\n", err);
1444 		goto err;
1445 	}
1446 
1447 	err = dpbp_init();
1448 	if (err < 0) {
1449 		printf("dpbp_init() failed: %d\n", err);
1450 		goto err;
1451 	}
1452 
1453 	err = dpio_init();
1454 	if (err < 0) {
1455 		printf("dpio_init() failed: %d\n", err);
1456 		goto err;
1457 	}
1458 
1459 	err = dpni_init();
1460 	if (err < 0) {
1461 		printf("dpni_init() failed: %d\n", err);
1462 		goto err;
1463 	}
1464 
1465 	return 0;
1466 err:
1467 	return err;
1468 }
1469 
fsl_mc_ldpaa_exit(bd_t * bd)1470 int fsl_mc_ldpaa_exit(bd_t *bd)
1471 {
1472 	int err = 0;
1473 	bool is_dpl_apply_status = false;
1474 	bool mc_boot_status = false;
1475 
1476 	if (bd && mc_lazy_dpl_addr && !fsl_mc_ldpaa_exit(NULL)) {
1477 		err = mc_apply_dpl(mc_lazy_dpl_addr);
1478 		if (!err)
1479 			fdt_fixup_board_enet(working_fdt);
1480 		mc_lazy_dpl_addr = 0;
1481 	}
1482 
1483 	if (!get_mc_boot_status())
1484 		mc_boot_status = true;
1485 
1486 	/* MC is not loaded intentionally, So return success. */
1487 	if (bd && !mc_boot_status)
1488 		return 0;
1489 
1490 	/* If DPL is deployed, set is_dpl_apply_status as TRUE. */
1491 	if (!get_dpl_apply_status())
1492 		is_dpl_apply_status = true;
1493 
1494 	/*
1495 	 * For case MC is loaded but DPL is not deployed, return success and
1496 	 * print message on console. Else FDT fix-up code execution hanged.
1497 	 */
1498 	if (bd && mc_boot_status && !is_dpl_apply_status) {
1499 		printf("fsl-mc: DPL not deployed, DPAA2 ethernet not work\n");
1500 		goto mc_obj_cleanup;
1501 	}
1502 
1503 	if (bd && mc_boot_status && is_dpl_apply_status)
1504 		return 0;
1505 
1506 mc_obj_cleanup:
1507 	err = dpbp_exit();
1508 	if (err < 0) {
1509 		printf("dpbp_exit() failed: %d\n", err);
1510 		goto err;
1511 	}
1512 
1513 	err = dpio_exit();
1514 	if (err < 0) {
1515 		printf("dpio_exit() failed: %d\n", err);
1516 		goto err;
1517 	}
1518 
1519 	err = dpni_exit();
1520 	if (err < 0) {
1521 		printf("dpni_exit() failed: %d\n", err);
1522 		goto err;
1523 	}
1524 
1525 	err = dprc_exit();
1526 	if (err < 0) {
1527 		printf("dprc_exit() failed: %d\n", err);
1528 		goto err;
1529 	}
1530 
1531 	return 0;
1532 err:
1533 	return err;
1534 }
1535 
do_fsl_mc(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])1536 static int do_fsl_mc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1537 {
1538 	int err = 0;
1539 	if (argc < 3)
1540 		goto usage;
1541 
1542 	switch (argv[1][0]) {
1543 	case 's': {
1544 			char sub_cmd;
1545 			u64 mc_fw_addr, mc_dpc_addr;
1546 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
1547 			u64 aiop_fw_addr;
1548 #endif
1549 
1550 			sub_cmd = argv[2][0];
1551 
1552 			switch (sub_cmd) {
1553 			case 'm':
1554 				if (argc < 5)
1555 					goto usage;
1556 
1557 				if (get_mc_boot_status() == 0) {
1558 					printf("fsl-mc: MC is already booted");
1559 					printf("\n");
1560 					return err;
1561 				}
1562 				mc_fw_addr = simple_strtoull(argv[3], NULL, 16);
1563 				mc_dpc_addr = simple_strtoull(argv[4], NULL,
1564 							      16);
1565 
1566 				if (!mc_init(mc_fw_addr, mc_dpc_addr))
1567 					err = mc_init_object();
1568 				break;
1569 
1570 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
1571 			case 'a':
1572 				if (argc < 4)
1573 					goto usage;
1574 				if (get_aiop_apply_status() == 0) {
1575 					printf("fsl-mc: AIOP FW is already");
1576 					printf(" applied\n");
1577 					return err;
1578 				}
1579 
1580 				aiop_fw_addr = simple_strtoull(argv[3], NULL,
1581 							       16);
1582 
1583 				/* if SoC doesn't have AIOP, err = -ENODEV */
1584 				err = load_mc_aiop_img(aiop_fw_addr);
1585 				if (!err)
1586 					printf("fsl-mc: AIOP FW applied\n");
1587 				break;
1588 #endif
1589 			default:
1590 				printf("Invalid option: %s\n", argv[2]);
1591 				goto usage;
1592 
1593 				break;
1594 			}
1595 		}
1596 		break;
1597 
1598 	case 'l':
1599 	case 'a': {
1600 			u64 mc_dpl_addr;
1601 
1602 			if (argc < 4)
1603 				goto usage;
1604 
1605 			if (get_dpl_apply_status() == 0) {
1606 				printf("fsl-mc: DPL already applied\n");
1607 				return err;
1608 			}
1609 
1610 			mc_dpl_addr = simple_strtoull(argv[3], NULL,
1611 							      16);
1612 
1613 			if (get_mc_boot_status() != 0) {
1614 				printf("fsl-mc: Deploying data path layout ..");
1615 				printf("ERROR (MC is not booted)\n");
1616 				return -ENODEV;
1617 			}
1618 
1619 			if (argv[1][0] == 'l') {
1620 				/*
1621 				 * We will do the actual dpaa exit and dpl apply
1622 				 * later from announce_and_cleanup().
1623 				 */
1624 				mc_lazy_dpl_addr = mc_dpl_addr;
1625 			} else {
1626 				/* The user wants it applied now */
1627 				if (!fsl_mc_ldpaa_exit(NULL))
1628 					err = mc_apply_dpl(mc_dpl_addr);
1629 			}
1630 			break;
1631 		}
1632 	default:
1633 		printf("Invalid option: %s\n", argv[1]);
1634 		goto usage;
1635 		break;
1636 	}
1637 	return err;
1638  usage:
1639 	return CMD_RET_USAGE;
1640 }
1641 
1642 U_BOOT_CMD(
1643 	fsl_mc,  CONFIG_SYS_MAXARGS,  1,   do_fsl_mc,
1644 	"DPAA2 command to manage Management Complex (MC)",
1645 	"start mc [FW_addr] [DPC_addr] - Start Management Complex\n"
1646 	"fsl_mc apply DPL [DPL_addr] - Apply DPL file\n"
1647 	"fsl_mc lazyapply DPL [DPL_addr] - Apply DPL file on exit\n"
1648 	"fsl_mc start aiop [FW_addr] - Start AIOP\n"
1649 );
1650 
mc_env_boot(void)1651 void mc_env_boot(void)
1652 {
1653 #if defined(CONFIG_FSL_MC_ENET)
1654 	char *mc_boot_env_var;
1655 	/* The MC may only be initialized in the reset PHY function
1656 	 * because otherwise U-Boot has not yet set up all the MAC
1657 	 * address info properly. Without MAC addresses, the MC code
1658 	 * can not properly initialize the DPC.
1659 	 */
1660 	mc_boot_env_var = env_get(MC_BOOT_ENV_VAR);
1661 	if (mc_boot_env_var)
1662 		run_command_list(mc_boot_env_var, -1, 0);
1663 #endif /* CONFIG_FSL_MC_ENET */
1664 }
1665