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[thirdparty/u-boot.git] / drivers / net / fsl-mc / mc.c
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 <env.h>
9 #include <errno.h>
10 #include <linux/bug.h>
11 #include <asm/io.h>
12 #include <linux/libfdt.h>
13 #include <net.h>
14 #include <fdt_support.h>
15 #include <fsl-mc/fsl_mc.h>
16 #include <fsl-mc/fsl_mc_sys.h>
17 #include <fsl-mc/fsl_mc_private.h>
18 #include <fsl-mc/fsl_dpmng.h>
19 #include <fsl-mc/fsl_dprc.h>
20 #include <fsl-mc/fsl_dpio.h>
21 #include <fsl-mc/fsl_dpni.h>
22 #include <fsl-mc/fsl_qbman_portal.h>
23 #include <fsl-mc/ldpaa_wriop.h>
24
25 #define MC_RAM_BASE_ADDR_ALIGNMENT (512UL * 1024 * 1024)
26 #define MC_RAM_BASE_ADDR_ALIGNMENT_MASK (~(MC_RAM_BASE_ADDR_ALIGNMENT - 1))
27 #define MC_RAM_SIZE_ALIGNMENT (256UL * 1024 * 1024)
28
29 #define MC_MEM_SIZE_ENV_VAR "mcmemsize"
30 #define MC_BOOT_TIMEOUT_ENV_VAR "mcboottimeout"
31 #define MC_BOOT_ENV_VAR "mcinitcmd"
32 #define MC_DRAM_BLOCK_DEFAULT_SIZE (512UL * 1024 * 1024)
33
34 DECLARE_GLOBAL_DATA_PTR;
35 static int mc_memset_resv_ram;
36 static int mc_boot_status = -1;
37 static int mc_dpl_applied = -1;
38 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
39 static int mc_aiop_applied = -1;
40 #endif
41 struct fsl_mc_io *root_mc_io = NULL;
42 struct fsl_mc_io *dflt_mc_io = NULL; /* child container */
43 uint16_t root_dprc_handle = 0;
44 uint16_t dflt_dprc_handle = 0;
45 int child_dprc_id;
46 struct fsl_dpbp_obj *dflt_dpbp = NULL;
47 struct fsl_dpio_obj *dflt_dpio = NULL;
48 struct fsl_dpni_obj *dflt_dpni = NULL;
49 static u64 mc_lazy_dpl_addr;
50
51 #ifdef DEBUG
52 void dump_ram_words(const char *title, void *addr)
53 {
54 int i;
55 uint32_t *words = addr;
56
57 printf("Dumping beginning of %s (%p):\n", title, addr);
58 for (i = 0; i < 16; i++)
59 printf("%#x ", words[i]);
60
61 printf("\n");
62 }
63
64 void dump_mc_ccsr_regs(struct mc_ccsr_registers __iomem *mc_ccsr_regs)
65 {
66 printf("MC CCSR registers:\n"
67 "reg_gcr1 %#x\n"
68 "reg_gsr %#x\n"
69 "reg_sicbalr %#x\n"
70 "reg_sicbahr %#x\n"
71 "reg_sicapr %#x\n"
72 "reg_mcfbalr %#x\n"
73 "reg_mcfbahr %#x\n"
74 "reg_mcfapr %#x\n"
75 "reg_psr %#x\n",
76 mc_ccsr_regs->reg_gcr1,
77 mc_ccsr_regs->reg_gsr,
78 mc_ccsr_regs->reg_sicbalr,
79 mc_ccsr_regs->reg_sicbahr,
80 mc_ccsr_regs->reg_sicapr,
81 mc_ccsr_regs->reg_mcfbalr,
82 mc_ccsr_regs->reg_mcfbahr,
83 mc_ccsr_regs->reg_mcfapr,
84 mc_ccsr_regs->reg_psr);
85 }
86 #else
87
88 #define dump_ram_words(title, addr)
89 #define dump_mc_ccsr_regs(mc_ccsr_regs)
90
91 #endif /* DEBUG */
92
93 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
94 /**
95 * Copying MC firmware or DPL image to DDR
96 */
97 static int mc_copy_image(const char *title,
98 u64 image_addr, u32 image_size, u64 mc_ram_addr)
99 {
100 debug("%s copied to address %p\n", title, (void *)mc_ram_addr);
101 memcpy((void *)mc_ram_addr, (void *)image_addr, image_size);
102 flush_dcache_range(mc_ram_addr, mc_ram_addr + image_size);
103 return 0;
104 }
105
106 /**
107 * MC firmware FIT image parser checks if the image is in FIT
108 * format, verifies integrity of the image and calculates
109 * raw image address and size values.
110 * Returns 0 on success and a negative errno on error.
111 * task fail.
112 **/
113 int parse_mc_firmware_fit_image(u64 mc_fw_addr,
114 const void **raw_image_addr,
115 size_t *raw_image_size)
116 {
117 int format;
118 void *fit_hdr;
119 int node_offset;
120 const void *data;
121 size_t size;
122 const char *uname = "firmware";
123
124 fit_hdr = (void *)mc_fw_addr;
125
126 /* Check if Image is in FIT format */
127 format = genimg_get_format(fit_hdr);
128
129 if (format != IMAGE_FORMAT_FIT) {
130 printf("fsl-mc: ERR: Bad firmware image (not a FIT image)\n");
131 return -EINVAL;
132 }
133
134 if (!fit_check_format(fit_hdr)) {
135 printf("fsl-mc: ERR: Bad firmware image (bad FIT header)\n");
136 return -EINVAL;
137 }
138
139 node_offset = fit_image_get_node(fit_hdr, uname);
140
141 if (node_offset < 0) {
142 printf("fsl-mc: ERR: Bad firmware image (missing subimage)\n");
143 return -ENOENT;
144 }
145
146 /* Verify MC firmware image */
147 if (!(fit_image_verify(fit_hdr, node_offset))) {
148 printf("fsl-mc: ERR: Bad firmware image (bad CRC)\n");
149 return -EINVAL;
150 }
151
152 /* Get address and size of raw image */
153 fit_image_get_data(fit_hdr, node_offset, &data, &size);
154
155 *raw_image_addr = data;
156 *raw_image_size = size;
157
158 return 0;
159 }
160 #endif
161
162 #define MC_DT_INCREASE_SIZE 64
163
164 enum mc_fixup_type {
165 MC_FIXUP_DPL,
166 MC_FIXUP_DPC
167 };
168
169 static int mc_fixup_mac_addr(void *blob, int nodeoffset,
170 const char *propname, struct eth_device *eth_dev,
171 enum mc_fixup_type type)
172 {
173 int err = 0, len = 0, size, i;
174 unsigned char env_enetaddr[ARP_HLEN];
175 unsigned int enetaddr_32[ARP_HLEN];
176 void *val = NULL;
177
178 switch (type) {
179 case MC_FIXUP_DPL:
180 /* DPL likes its addresses on 32 * ARP_HLEN bits */
181 for (i = 0; i < ARP_HLEN; i++)
182 enetaddr_32[i] = cpu_to_fdt32(eth_dev->enetaddr[i]);
183 val = enetaddr_32;
184 len = sizeof(enetaddr_32);
185 break;
186
187 case MC_FIXUP_DPC:
188 val = eth_dev->enetaddr;
189 len = ARP_HLEN;
190 break;
191 }
192
193 /* MAC address property present */
194 if (fdt_get_property(blob, nodeoffset, propname, NULL)) {
195 /* u-boot MAC addr randomly assigned - leave the present one */
196 if (!eth_env_get_enetaddr_by_index("eth", eth_dev->index,
197 env_enetaddr))
198 return err;
199 } else {
200 size = MC_DT_INCREASE_SIZE + strlen(propname) + len;
201 /* make room for mac address property */
202 err = fdt_increase_size(blob, size);
203 if (err) {
204 printf("fdt_increase_size: err=%s\n",
205 fdt_strerror(err));
206 return err;
207 }
208 }
209
210 err = fdt_setprop(blob, nodeoffset, propname, val, len);
211 if (err) {
212 printf("fdt_setprop: err=%s\n", fdt_strerror(err));
213 return err;
214 }
215
216 return err;
217 }
218
219 #define is_dpni(s) (s != NULL ? !strncmp(s, "dpni@", 5) : 0)
220
221 const char *dpl_get_connection_endpoint(void *blob, char *endpoint)
222 {
223 int connoffset = fdt_path_offset(blob, "/connections"), off;
224 const char *s1, *s2;
225
226 for (off = fdt_first_subnode(blob, connoffset);
227 off >= 0;
228 off = fdt_next_subnode(blob, off)) {
229 s1 = fdt_stringlist_get(blob, off, "endpoint1", 0, NULL);
230 s2 = fdt_stringlist_get(blob, off, "endpoint2", 0, NULL);
231
232 if (!s1 || !s2)
233 continue;
234
235 if (strcmp(endpoint, s1) == 0)
236 return s2;
237
238 if (strcmp(endpoint, s2) == 0)
239 return s1;
240 }
241
242 return NULL;
243 }
244
245 static int mc_fixup_dpl_mac_addr(void *blob, int dpmac_id,
246 struct eth_device *eth_dev)
247 {
248 int objoff = fdt_path_offset(blob, "/objects");
249 int dpmacoff = -1, dpnioff = -1;
250 const char *endpoint;
251 char mac_name[10];
252 int err;
253
254 sprintf(mac_name, "dpmac@%d", dpmac_id);
255 dpmacoff = fdt_subnode_offset(blob, objoff, mac_name);
256 if (dpmacoff < 0)
257 /* dpmac not defined in DPL, so skip it. */
258 return 0;
259
260 err = mc_fixup_mac_addr(blob, dpmacoff, "mac_addr", eth_dev,
261 MC_FIXUP_DPL);
262 if (err) {
263 printf("Error fixing up dpmac mac_addr in DPL\n");
264 return err;
265 }
266
267 /* now we need to figure out if there is any
268 * DPNI connected to this MAC, so we walk the
269 * connection list
270 */
271 endpoint = dpl_get_connection_endpoint(blob, mac_name);
272 if (!is_dpni(endpoint))
273 return 0;
274
275 /* let's see if we can fixup the DPNI as well */
276 dpnioff = fdt_subnode_offset(blob, objoff, endpoint);
277 if (dpnioff < 0)
278 /* DPNI not defined in DPL in the objects area */
279 return 0;
280
281 return mc_fixup_mac_addr(blob, dpnioff, "mac_addr", eth_dev,
282 MC_FIXUP_DPL);
283 }
284
285 void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
286 {
287 u32 *prop;
288 u32 iommu_map[4];
289 int offset;
290 int lenp;
291
292 /* find fsl-mc node */
293 offset = fdt_path_offset(blob, "/soc/fsl-mc");
294 if (offset < 0)
295 offset = fdt_path_offset(blob, "/fsl-mc");
296 if (offset < 0) {
297 printf("%s: fsl-mc: ERR: fsl-mc node not found in DT, err %d\n",
298 __func__, offset);
299 return;
300 }
301
302 prop = fdt_getprop_w(blob, offset, "iommu-map", &lenp);
303 if (!prop) {
304 debug("%s: fsl-mc: ERR: missing iommu-map in fsl-mc bus node\n",
305 __func__);
306 return;
307 }
308
309 iommu_map[0] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
310 iommu_map[1] = *++prop;
311 iommu_map[2] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
312 iommu_map[3] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_END -
313 FSL_DPAA2_STREAM_ID_START + 1);
314
315 fdt_setprop_inplace(blob, offset, "iommu-map",
316 iommu_map, sizeof(iommu_map));
317 }
318
319 static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id,
320 struct eth_device *eth_dev)
321 {
322 int nodeoffset = fdt_path_offset(blob, "/board_info/ports"), noff;
323 int err = 0;
324 char mac_name[10];
325 const char link_type_mode[] = "MAC_LINK_TYPE_FIXED";
326
327 sprintf(mac_name, "mac@%d", dpmac_id);
328
329 /* node not found - create it */
330 noff = fdt_subnode_offset(blob, nodeoffset, (const char *)mac_name);
331 if (noff < 0) {
332 err = fdt_increase_size(blob, 200);
333 if (err) {
334 printf("fdt_increase_size: err=%s\n",
335 fdt_strerror(err));
336 return err;
337 }
338
339 noff = fdt_add_subnode(blob, nodeoffset, mac_name);
340 if (noff < 0) {
341 printf("fdt_add_subnode: err=%s\n",
342 fdt_strerror(err));
343 return err;
344 }
345
346 /* add default property of fixed link */
347 err = fdt_appendprop_string(blob, noff,
348 "link_type", link_type_mode);
349 if (err) {
350 printf("fdt_appendprop_string: err=%s\n",
351 fdt_strerror(err));
352 return err;
353 }
354 }
355
356 return mc_fixup_mac_addr(blob, noff, "port_mac_address", eth_dev,
357 MC_FIXUP_DPC);
358 }
359
360 static int mc_fixup_mac_addrs(void *blob, enum mc_fixup_type type)
361 {
362 int i, err = 0, ret = 0;
363 char ethname[ETH_NAME_LEN];
364 struct eth_device *eth_dev;
365
366 for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
367 /* port not enabled */
368 if (wriop_is_enabled_dpmac(i) != 1)
369 continue;
370
371 snprintf(ethname, ETH_NAME_LEN, "DPMAC%d@%s", i,
372 phy_interface_strings[wriop_get_enet_if(i)]);
373
374 eth_dev = eth_get_dev_by_name(ethname);
375 if (eth_dev == NULL)
376 continue;
377
378 switch (type) {
379 case MC_FIXUP_DPL:
380 err = mc_fixup_dpl_mac_addr(blob, i, eth_dev);
381 break;
382 case MC_FIXUP_DPC:
383 err = mc_fixup_dpc_mac_addr(blob, i, eth_dev);
384 break;
385 default:
386 break;
387 }
388
389 if (err)
390 printf("fsl-mc: ERROR fixing mac address for %s\n",
391 ethname);
392 ret |= err;
393 }
394
395 return ret;
396 }
397
398 static int mc_fixup_dpc(u64 dpc_addr)
399 {
400 void *blob = (void *)dpc_addr;
401 int nodeoffset, err = 0;
402
403 /* delete any existing ICID pools */
404 nodeoffset = fdt_path_offset(blob, "/resources/icid_pools");
405 if (fdt_del_node(blob, nodeoffset) < 0)
406 printf("\nfsl-mc: WARNING: could not delete ICID pool\n");
407
408 /* add a new pool */
409 nodeoffset = fdt_path_offset(blob, "/resources");
410 if (nodeoffset < 0) {
411 printf("\nfsl-mc: ERROR: DPC is missing /resources\n");
412 return -EINVAL;
413 }
414 nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pools");
415 nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pool@0");
416 do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
417 "base_icid", FSL_DPAA2_STREAM_ID_START, 1);
418 do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
419 "num",
420 FSL_DPAA2_STREAM_ID_END -
421 FSL_DPAA2_STREAM_ID_START + 1, 1);
422
423 /* fixup MAC addresses for dpmac ports */
424 nodeoffset = fdt_path_offset(blob, "/board_info/ports");
425 if (nodeoffset < 0)
426 goto out;
427
428 err = mc_fixup_mac_addrs(blob, MC_FIXUP_DPC);
429
430 out:
431 flush_dcache_range(dpc_addr, dpc_addr + fdt_totalsize(blob));
432
433 return err;
434 }
435
436 static int load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpc_addr)
437 {
438 u64 mc_dpc_offset;
439 #ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
440 int error;
441 void *dpc_fdt_hdr;
442 int dpc_size;
443 #endif
444
445 #ifdef CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET
446 BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET & 0x3) != 0 ||
447 CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET > 0xffffffff);
448
449 mc_dpc_offset = CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET;
450 #else
451 #error "CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET not defined"
452 #endif
453
454 /*
455 * Load the MC DPC blob in the MC private DRAM block:
456 */
457 #ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
458 printf("MC DPC is preloaded to %#llx\n", mc_ram_addr + mc_dpc_offset);
459 #else
460 /*
461 * Get address and size of the DPC blob stored in flash:
462 */
463 dpc_fdt_hdr = (void *)mc_dpc_addr;
464
465 error = fdt_check_header(dpc_fdt_hdr);
466 if (error != 0) {
467 /*
468 * Don't return with error here, since the MC firmware can
469 * still boot without a DPC
470 */
471 printf("\nfsl-mc: WARNING: No DPC image found");
472 return 0;
473 }
474
475 dpc_size = fdt_totalsize(dpc_fdt_hdr);
476 if (dpc_size > CONFIG_SYS_LS_MC_DPC_MAX_LENGTH) {
477 printf("\nfsl-mc: ERROR: Bad DPC image (too large: %d)\n",
478 dpc_size);
479 return -EINVAL;
480 }
481
482 mc_copy_image("MC DPC blob",
483 (u64)dpc_fdt_hdr, dpc_size, mc_ram_addr + mc_dpc_offset);
484 #endif /* not defined CONFIG_SYS_LS_MC_DPC_IN_DDR */
485
486 if (mc_fixup_dpc(mc_ram_addr + mc_dpc_offset))
487 return -EINVAL;
488
489 dump_ram_words("DPC", (void *)(mc_ram_addr + mc_dpc_offset));
490 return 0;
491 }
492
493
494 static int mc_fixup_dpl(u64 dpl_addr)
495 {
496 void *blob = (void *)dpl_addr;
497 u32 ver = fdt_getprop_u32_default(blob, "/", "dpl-version", 0);
498 int err = 0;
499
500 /* The DPL fixup for mac addresses is only relevant
501 * for old-style DPLs
502 */
503 if (ver >= 10)
504 return 0;
505
506 err = mc_fixup_mac_addrs(blob, MC_FIXUP_DPL);
507 flush_dcache_range(dpl_addr, dpl_addr + fdt_totalsize(blob));
508
509 return err;
510 }
511
512 static int load_mc_dpl(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpl_addr)
513 {
514 u64 mc_dpl_offset;
515 #ifndef CONFIG_SYS_LS_MC_DPL_IN_DDR
516 int error;
517 void *dpl_fdt_hdr;
518 int dpl_size;
519 #endif
520
521 #ifdef CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET
522 BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET & 0x3) != 0 ||
523 CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET > 0xffffffff);
524
525 mc_dpl_offset = CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET;
526 #else
527 #error "CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET not defined"
528 #endif
529
530 /*
531 * Load the MC DPL blob in the MC private DRAM block:
532 */
533 #ifdef CONFIG_SYS_LS_MC_DPL_IN_DDR
534 printf("MC DPL is preloaded to %#llx\n", mc_ram_addr + mc_dpl_offset);
535 #else
536 /*
537 * Get address and size of the DPL blob stored in flash:
538 */
539 dpl_fdt_hdr = (void *)mc_dpl_addr;
540
541 error = fdt_check_header(dpl_fdt_hdr);
542 if (error != 0) {
543 printf("\nfsl-mc: ERROR: Bad DPL image (bad header)\n");
544 return error;
545 }
546
547 dpl_size = fdt_totalsize(dpl_fdt_hdr);
548 if (dpl_size > CONFIG_SYS_LS_MC_DPL_MAX_LENGTH) {
549 printf("\nfsl-mc: ERROR: Bad DPL image (too large: %d)\n",
550 dpl_size);
551 return -EINVAL;
552 }
553
554 mc_copy_image("MC DPL blob",
555 (u64)dpl_fdt_hdr, dpl_size, mc_ram_addr + mc_dpl_offset);
556 #endif /* not defined CONFIG_SYS_LS_MC_DPL_IN_DDR */
557
558 if (mc_fixup_dpl(mc_ram_addr + mc_dpl_offset))
559 return -EINVAL;
560 dump_ram_words("DPL", (void *)(mc_ram_addr + mc_dpl_offset));
561 return 0;
562 }
563
564 /**
565 * Return the MC boot timeout value in milliseconds
566 */
567 static unsigned long get_mc_boot_timeout_ms(void)
568 {
569 unsigned long timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
570
571 char *timeout_ms_env_var = env_get(MC_BOOT_TIMEOUT_ENV_VAR);
572
573 if (timeout_ms_env_var) {
574 timeout_ms = simple_strtoul(timeout_ms_env_var, NULL, 10);
575 if (timeout_ms == 0) {
576 printf("fsl-mc: WARNING: Invalid value for \'"
577 MC_BOOT_TIMEOUT_ENV_VAR
578 "\' environment variable: %lu\n",
579 timeout_ms);
580
581 timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
582 }
583 }
584
585 return timeout_ms;
586 }
587
588 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
589
590 __weak bool soc_has_aiop(void)
591 {
592 return false;
593 }
594
595 static int load_mc_aiop_img(u64 aiop_fw_addr)
596 {
597 u64 mc_ram_addr = mc_get_dram_addr();
598 #ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
599 void *aiop_img;
600 #endif
601
602 /* Check if AIOP is available */
603 if (!soc_has_aiop())
604 return -ENODEV;
605 /*
606 * Load the MC AIOP image in the MC private DRAM block:
607 */
608
609 #ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
610 printf("MC AIOP is preloaded to %#llx\n", mc_ram_addr +
611 CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
612 #else
613 aiop_img = (void *)aiop_fw_addr;
614 mc_copy_image("MC AIOP image",
615 (u64)aiop_img, CONFIG_SYS_LS_MC_AIOP_IMG_MAX_LENGTH,
616 mc_ram_addr + CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
617 #endif
618 mc_aiop_applied = 0;
619
620 return 0;
621 }
622 #endif
623
624 static int wait_for_mc(bool booting_mc, u32 *final_reg_gsr)
625 {
626 u32 reg_gsr;
627 u32 mc_fw_boot_status;
628 unsigned long timeout_ms = get_mc_boot_timeout_ms();
629 struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
630
631 dmb();
632 assert(timeout_ms > 0);
633 for (;;) {
634 udelay(1000); /* throttle polling */
635 reg_gsr = in_le32(&mc_ccsr_regs->reg_gsr);
636 mc_fw_boot_status = (reg_gsr & GSR_FS_MASK);
637 if (mc_fw_boot_status & 0x1)
638 break;
639
640 timeout_ms--;
641 if (timeout_ms == 0)
642 break;
643 }
644
645 if (timeout_ms == 0) {
646 printf("ERROR: timeout\n");
647
648 /* TODO: Get an error status from an MC CCSR register */
649 return -ETIMEDOUT;
650 }
651
652 if (mc_fw_boot_status != 0x1) {
653 /*
654 * TODO: Identify critical errors from the GSR register's FS
655 * field and for those errors, set error to -ENODEV or other
656 * appropriate errno, so that the status property is set to
657 * failure in the fsl,dprc device tree node.
658 */
659 printf("WARNING: Firmware returned an error (GSR: %#x)\n",
660 reg_gsr);
661 } else {
662 printf("SUCCESS\n");
663 }
664
665
666 *final_reg_gsr = reg_gsr;
667 return 0;
668 }
669
670 int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
671 {
672 int error = 0;
673 int portal_id = 0;
674 struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
675 u64 mc_ram_addr = mc_get_dram_addr();
676 u32 reg_gsr;
677 u32 reg_mcfbalr;
678 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
679 const void *raw_image_addr;
680 size_t raw_image_size = 0;
681 #endif
682 struct mc_version mc_ver_info;
683 u8 mc_ram_num_256mb_blocks;
684 size_t mc_ram_size = mc_get_dram_block_size();
685
686 mc_ram_num_256mb_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
687
688 if (mc_ram_num_256mb_blocks >= 0xff) {
689 error = -EINVAL;
690 printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
691 mc_ram_size);
692 goto out;
693 }
694
695 /*
696 * To support 128 MB DDR Size for MC
697 */
698 if (mc_ram_num_256mb_blocks == 0)
699 mc_ram_num_256mb_blocks = 0xFF;
700
701 /*
702 * Management Complex cores should be held at reset out of POR.
703 * U-Boot should be the first software to touch MC. To be safe,
704 * we reset all cores again by setting GCR1 to 0. It doesn't do
705 * anything if they are held at reset. After we setup the firmware
706 * we kick off MC by deasserting the reset bit for core 0, and
707 * deasserting the reset bits for Command Portal Managers.
708 * The stop bits are not touched here. They are used to stop the
709 * cores when they are active. Setting stop bits doesn't stop the
710 * cores from fetching instructions when they are released from
711 * reset.
712 */
713 out_le32(&mc_ccsr_regs->reg_gcr1, 0);
714 dmb();
715
716 #ifdef CONFIG_SYS_LS_MC_FW_IN_DDR
717 printf("MC firmware is preloaded to %#llx\n", mc_ram_addr);
718 #else
719 error = parse_mc_firmware_fit_image(mc_fw_addr, &raw_image_addr,
720 &raw_image_size);
721 if (error != 0)
722 goto out;
723 /*
724 * Load the MC FW at the beginning of the MC private DRAM block:
725 */
726 mc_copy_image("MC Firmware",
727 (u64)raw_image_addr, raw_image_size, mc_ram_addr);
728 #endif
729 dump_ram_words("firmware", (void *)mc_ram_addr);
730
731 error = load_mc_dpc(mc_ram_addr, mc_ram_size, mc_dpc_addr);
732 if (error != 0)
733 goto out;
734
735 debug("mc_ccsr_regs %p\n", mc_ccsr_regs);
736 dump_mc_ccsr_regs(mc_ccsr_regs);
737
738 /*
739 * Tell MC what is the address range of the DRAM block assigned to it:
740 */
741 if (mc_ram_num_256mb_blocks < 0xFF) {
742 reg_mcfbalr = (u32)mc_ram_addr |
743 (mc_ram_num_256mb_blocks - 1);
744 } else {
745 reg_mcfbalr = (u32)mc_ram_addr |
746 (mc_ram_num_256mb_blocks);
747 }
748
749 out_le32(&mc_ccsr_regs->reg_mcfbalr, reg_mcfbalr);
750 out_le32(&mc_ccsr_regs->reg_mcfbahr,
751 (u32)(mc_ram_addr >> 32));
752 out_le32(&mc_ccsr_regs->reg_mcfapr, FSL_BYPASS_AMQ);
753
754 /*
755 * Tell the MC that we want delayed DPL deployment.
756 */
757 out_le32(&mc_ccsr_regs->reg_gsr, 0xDD00);
758
759 printf("\nfsl-mc: Booting Management Complex ... ");
760
761 /*
762 * Deassert reset and release MC core 0 to run
763 */
764 out_le32(&mc_ccsr_regs->reg_gcr1, GCR1_P1_DE_RST | GCR1_M_ALL_DE_RST);
765 error = wait_for_mc(true, &reg_gsr);
766 if (error != 0)
767 goto out;
768
769 /*
770 * TODO: need to obtain the portal_id for the root container from the
771 * DPL
772 */
773 portal_id = 0;
774
775 /*
776 * Initialize the global default MC portal
777 * And check that the MC firmware is responding portal commands:
778 */
779 root_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
780 if (!root_mc_io) {
781 printf(" No memory: calloc() failed\n");
782 return -ENOMEM;
783 }
784
785 root_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(portal_id);
786 debug("Checking access to MC portal of root DPRC container (portal_id %d, portal physical addr %p)\n",
787 portal_id, root_mc_io->mmio_regs);
788
789 error = mc_get_version(root_mc_io, MC_CMD_NO_FLAGS, &mc_ver_info);
790 if (error != 0) {
791 printf("fsl-mc: ERROR: Firmware version check failed (error: %d)\n",
792 error);
793 goto out;
794 }
795
796 printf("fsl-mc: Management Complex booted (version: %d.%d.%d, boot status: %#x)\n",
797 mc_ver_info.major, mc_ver_info.minor, mc_ver_info.revision,
798 reg_gsr & GSR_FS_MASK);
799
800 out:
801 if (error != 0)
802 mc_boot_status = error;
803 else
804 mc_boot_status = 0;
805
806 return error;
807 }
808
809 int mc_apply_dpl(u64 mc_dpl_addr)
810 {
811 struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
812 int error = 0;
813 u32 reg_gsr;
814 u64 mc_ram_addr = mc_get_dram_addr();
815 size_t mc_ram_size = mc_get_dram_block_size();
816
817 if (!mc_dpl_addr)
818 return -1;
819
820 error = load_mc_dpl(mc_ram_addr, mc_ram_size, mc_dpl_addr);
821 if (error != 0)
822 return error;
823
824 /*
825 * Tell the MC to deploy the DPL:
826 */
827 out_le32(&mc_ccsr_regs->reg_gsr, 0x0);
828 printf("fsl-mc: Deploying data path layout ... ");
829 error = wait_for_mc(false, &reg_gsr);
830
831 if (!error)
832 mc_dpl_applied = 0;
833
834 return error;
835 }
836
837 int get_mc_boot_status(void)
838 {
839 return mc_boot_status;
840 }
841
842 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
843 int get_aiop_apply_status(void)
844 {
845 return mc_aiop_applied;
846 }
847 #endif
848
849 int get_dpl_apply_status(void)
850 {
851 return mc_dpl_applied;
852 }
853
854 int is_lazy_dpl_addr_valid(void)
855 {
856 return !!mc_lazy_dpl_addr;
857 }
858
859 /*
860 * Return the MC address of private DRAM block.
861 * As per MC design document, MC initial base address
862 * should be least significant 512MB address of MC private
863 * memory, i.e. address should point to end address masked
864 * with 512MB offset in private DRAM block.
865 */
866 u64 mc_get_dram_addr(void)
867 {
868 size_t mc_ram_size = mc_get_dram_block_size();
869
870 if (!mc_memset_resv_ram || (get_mc_boot_status() < 0)) {
871 mc_memset_resv_ram = 1;
872 memset((void *)gd->arch.resv_ram, 0, mc_ram_size);
873 }
874
875 return (gd->arch.resv_ram + mc_ram_size - 1) &
876 MC_RAM_BASE_ADDR_ALIGNMENT_MASK;
877 }
878
879 /**
880 * Return the actual size of the MC private DRAM block.
881 */
882 unsigned long mc_get_dram_block_size(void)
883 {
884 unsigned long dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
885
886 char *dram_block_size_env_var = env_get(MC_MEM_SIZE_ENV_VAR);
887
888 if (dram_block_size_env_var) {
889 dram_block_size = simple_strtoul(dram_block_size_env_var, NULL,
890 16);
891
892 if (dram_block_size < CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE) {
893 printf("fsl-mc: WARNING: Invalid value for \'"
894 MC_MEM_SIZE_ENV_VAR
895 "\' environment variable: %lu\n",
896 dram_block_size);
897
898 dram_block_size = MC_DRAM_BLOCK_DEFAULT_SIZE;
899 }
900 }
901
902 return dram_block_size;
903 }
904
905 int fsl_mc_ldpaa_init(bd_t *bis)
906 {
907 int i;
908
909 for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++)
910 if (wriop_is_enabled_dpmac(i) == 1)
911 ldpaa_eth_init(i, wriop_get_enet_if(i));
912 return 0;
913 }
914
915 static int dprc_version_check(struct fsl_mc_io *mc_io, uint16_t handle)
916 {
917 int error;
918 uint16_t major_ver, minor_ver;
919
920 error = dprc_get_api_version(mc_io, 0,
921 &major_ver,
922 &minor_ver);
923 if (error < 0) {
924 printf("dprc_get_api_version() failed: %d\n", error);
925 return error;
926 }
927
928 if (major_ver < DPRC_VER_MAJOR || (major_ver == DPRC_VER_MAJOR &&
929 minor_ver < DPRC_VER_MINOR)) {
930 printf("DPRC version mismatch found %u.%u,",
931 major_ver, minor_ver);
932 printf("supported version is %u.%u\n",
933 DPRC_VER_MAJOR, DPRC_VER_MINOR);
934 }
935
936 return error;
937 }
938
939 static int dpio_init(void)
940 {
941 struct qbman_swp_desc p_des;
942 struct dpio_attr attr;
943 struct dpio_cfg dpio_cfg;
944 int err = 0;
945 uint16_t major_ver, minor_ver;
946
947 dflt_dpio = (struct fsl_dpio_obj *)calloc(
948 sizeof(struct fsl_dpio_obj), 1);
949 if (!dflt_dpio) {
950 printf("No memory: calloc() failed\n");
951 err = -ENOMEM;
952 goto err_calloc;
953 }
954 dpio_cfg.channel_mode = DPIO_LOCAL_CHANNEL;
955 dpio_cfg.num_priorities = 8;
956
957 err = dpio_create(dflt_mc_io,
958 dflt_dprc_handle,
959 MC_CMD_NO_FLAGS,
960 &dpio_cfg,
961 &dflt_dpio->dpio_id);
962 if (err < 0) {
963 printf("dpio_create() failed: %d\n", err);
964 err = -ENODEV;
965 goto err_create;
966 }
967
968 err = dpio_get_api_version(dflt_mc_io, 0,
969 &major_ver,
970 &minor_ver);
971 if (err < 0) {
972 printf("dpio_get_api_version() failed: %d\n", err);
973 goto err_get_api_ver;
974 }
975
976 if (major_ver < DPIO_VER_MAJOR || (major_ver == DPIO_VER_MAJOR &&
977 minor_ver < DPIO_VER_MINOR)) {
978 printf("DPRC version mismatch found %u.%u,",
979 major_ver,
980 minor_ver);
981 }
982
983 err = dpio_open(dflt_mc_io,
984 MC_CMD_NO_FLAGS,
985 dflt_dpio->dpio_id,
986 &dflt_dpio->dpio_handle);
987 if (err) {
988 printf("dpio_open() failed\n");
989 goto err_open;
990 }
991
992 memset(&attr, 0, sizeof(struct dpio_attr));
993 err = dpio_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
994 dflt_dpio->dpio_handle, &attr);
995 if (err < 0) {
996 printf("dpio_get_attributes() failed: %d\n", err);
997 goto err_get_attr;
998 }
999
1000 if (dflt_dpio->dpio_id != attr.id) {
1001 printf("dnpi object id and attribute id are not same\n");
1002 goto err_attr_not_same;
1003 }
1004
1005 #ifdef DEBUG
1006 printf("Init: DPIO id=0x%d\n", dflt_dpio->dpio_id);
1007 #endif
1008 err = dpio_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1009 if (err < 0) {
1010 printf("dpio_enable() failed %d\n", err);
1011 goto err_get_enable;
1012 }
1013 debug("ce_offset=0x%llx, ci_offset=0x%llx, portalid=%d, prios=%d\n",
1014 attr.qbman_portal_ce_offset,
1015 attr.qbman_portal_ci_offset,
1016 attr.qbman_portal_id,
1017 attr.num_priorities);
1018
1019 p_des.cena_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
1020 + attr.qbman_portal_ce_offset);
1021 p_des.cinh_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
1022 + attr.qbman_portal_ci_offset);
1023
1024 dflt_dpio->sw_portal = qbman_swp_init(&p_des);
1025 if (dflt_dpio->sw_portal == NULL) {
1026 printf("qbman_swp_init() failed\n");
1027 goto err_get_swp_init;
1028 }
1029 return 0;
1030
1031 err_get_swp_init:
1032 dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1033 err_get_enable:
1034 err_get_attr:
1035 err_attr_not_same:
1036 dpio_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1037 err_open:
1038 err_get_api_ver:
1039 dpio_destroy(dflt_mc_io,
1040 dflt_dprc_handle,
1041 MC_CMD_NO_FLAGS,
1042 dflt_dpio->dpio_id);
1043 err_create:
1044 free(dflt_dpio);
1045 err_calloc:
1046 return err;
1047 }
1048
1049 static int dpio_exit(void)
1050 {
1051 int err;
1052
1053 err = dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1054 if (err < 0) {
1055 printf("dpio_disable() failed: %d\n", err);
1056 goto err;
1057 }
1058
1059 dpio_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
1060 if (err < 0) {
1061 printf("dpio_close() failed: %d\n", err);
1062 goto err;
1063 }
1064
1065 err = dpio_destroy(dflt_mc_io,
1066 dflt_dprc_handle,
1067 MC_CMD_NO_FLAGS,
1068 dflt_dpio->dpio_id);
1069 if (err < 0) {
1070 printf("dpio_destroy() failed: %d\n", err);
1071 goto err;
1072 }
1073
1074 #ifdef DEBUG
1075 printf("Exit: DPIO id=0x%d\n", dflt_dpio->dpio_id);
1076 #endif
1077
1078 if (dflt_dpio)
1079 free(dflt_dpio);
1080
1081 return 0;
1082 err:
1083 return err;
1084 }
1085
1086 static int dprc_init(void)
1087 {
1088 int err, child_portal_id, container_id;
1089 struct dprc_cfg cfg;
1090 uint64_t mc_portal_offset;
1091
1092 /* Open root container */
1093 err = dprc_get_container_id(root_mc_io, MC_CMD_NO_FLAGS, &container_id);
1094 if (err < 0) {
1095 printf("dprc_get_container_id(): Root failed: %d\n", err);
1096 goto err_root_container_id;
1097 }
1098
1099 #ifdef DEBUG
1100 printf("Root container id = %d\n", container_id);
1101 #endif
1102 err = dprc_open(root_mc_io, MC_CMD_NO_FLAGS, container_id,
1103 &root_dprc_handle);
1104 if (err < 0) {
1105 printf("dprc_open(): Root Container failed: %d\n", err);
1106 goto err_root_open;
1107 }
1108
1109 if (!root_dprc_handle) {
1110 printf("dprc_open(): Root Container Handle is not valid\n");
1111 goto err_root_open;
1112 }
1113
1114 err = dprc_version_check(root_mc_io, root_dprc_handle);
1115 if (err < 0) {
1116 printf("dprc_version_check() failed: %d\n", err);
1117 goto err_root_open;
1118 }
1119
1120 memset(&cfg, 0, sizeof(struct dprc_cfg));
1121 cfg.options = DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED |
1122 DPRC_CFG_OPT_OBJ_CREATE_ALLOWED |
1123 DPRC_CFG_OPT_ALLOC_ALLOWED;
1124 cfg.icid = DPRC_GET_ICID_FROM_POOL;
1125 cfg.portal_id = DPRC_GET_PORTAL_ID_FROM_POOL;
1126 err = dprc_create_container(root_mc_io, MC_CMD_NO_FLAGS,
1127 root_dprc_handle,
1128 &cfg,
1129 &child_dprc_id,
1130 &mc_portal_offset);
1131 if (err < 0) {
1132 printf("dprc_create_container() failed: %d\n", err);
1133 goto err_create;
1134 }
1135
1136 dflt_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
1137 if (!dflt_mc_io) {
1138 err = -ENOMEM;
1139 printf(" No memory: calloc() failed\n");
1140 goto err_calloc;
1141 }
1142
1143 child_portal_id = MC_PORTAL_OFFSET_TO_PORTAL_ID(mc_portal_offset);
1144 dflt_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(child_portal_id);
1145
1146 #ifdef DEBUG
1147 printf("MC portal of child DPRC container: %d, physical addr %p)\n",
1148 child_dprc_id, dflt_mc_io->mmio_regs);
1149 #endif
1150
1151 err = dprc_open(dflt_mc_io, MC_CMD_NO_FLAGS, child_dprc_id,
1152 &dflt_dprc_handle);
1153 if (err < 0) {
1154 printf("dprc_open(): Child container failed: %d\n", err);
1155 goto err_child_open;
1156 }
1157
1158 if (!dflt_dprc_handle) {
1159 printf("dprc_open(): Child container Handle is not valid\n");
1160 goto err_child_open;
1161 }
1162
1163 return 0;
1164 err_child_open:
1165 free(dflt_mc_io);
1166 err_calloc:
1167 dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
1168 root_dprc_handle, child_dprc_id);
1169 err_create:
1170 dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
1171 err_root_open:
1172 err_root_container_id:
1173 return err;
1174 }
1175
1176 static int dprc_exit(void)
1177 {
1178 int err;
1179
1180 err = dprc_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dprc_handle);
1181 if (err < 0) {
1182 printf("dprc_close(): Child failed: %d\n", err);
1183 goto err;
1184 }
1185
1186 err = dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
1187 root_dprc_handle, child_dprc_id);
1188 if (err < 0) {
1189 printf("dprc_destroy_container() failed: %d\n", err);
1190 goto err;
1191 }
1192
1193 err = dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
1194 if (err < 0) {
1195 printf("dprc_close(): Root failed: %d\n", err);
1196 goto err;
1197 }
1198
1199 if (dflt_mc_io)
1200 free(dflt_mc_io);
1201
1202 if (root_mc_io)
1203 free(root_mc_io);
1204
1205 return 0;
1206
1207 err:
1208 return err;
1209 }
1210
1211 static int dpbp_init(void)
1212 {
1213 int err;
1214 struct dpbp_attr dpbp_attr;
1215 struct dpbp_cfg dpbp_cfg;
1216 uint16_t major_ver, minor_ver;
1217
1218 dflt_dpbp = (struct fsl_dpbp_obj *)calloc(
1219 sizeof(struct fsl_dpbp_obj), 1);
1220 if (!dflt_dpbp) {
1221 printf("No memory: calloc() failed\n");
1222 err = -ENOMEM;
1223 goto err_calloc;
1224 }
1225
1226 dpbp_cfg.options = 512;
1227
1228 err = dpbp_create(dflt_mc_io,
1229 dflt_dprc_handle,
1230 MC_CMD_NO_FLAGS,
1231 &dpbp_cfg,
1232 &dflt_dpbp->dpbp_id);
1233
1234 if (err < 0) {
1235 err = -ENODEV;
1236 printf("dpbp_create() failed: %d\n", err);
1237 goto err_create;
1238 }
1239
1240 err = dpbp_get_api_version(dflt_mc_io, 0,
1241 &major_ver,
1242 &minor_ver);
1243 if (err < 0) {
1244 printf("dpbp_get_api_version() failed: %d\n", err);
1245 goto err_get_api_ver;
1246 }
1247
1248 if (major_ver < DPBP_VER_MAJOR || (major_ver == DPBP_VER_MAJOR &&
1249 minor_ver < DPBP_VER_MINOR)) {
1250 printf("DPBP version mismatch found %u.%u,",
1251 major_ver, minor_ver);
1252 printf("supported version is %u.%u\n",
1253 DPBP_VER_MAJOR, DPBP_VER_MINOR);
1254 }
1255
1256 err = dpbp_open(dflt_mc_io,
1257 MC_CMD_NO_FLAGS,
1258 dflt_dpbp->dpbp_id,
1259 &dflt_dpbp->dpbp_handle);
1260 if (err) {
1261 printf("dpbp_open() failed\n");
1262 goto err_open;
1263 }
1264
1265 memset(&dpbp_attr, 0, sizeof(struct dpbp_attr));
1266 err = dpbp_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
1267 dflt_dpbp->dpbp_handle,
1268 &dpbp_attr);
1269 if (err < 0) {
1270 printf("dpbp_get_attributes() failed: %d\n", err);
1271 goto err_get_attr;
1272 }
1273
1274 if (dflt_dpbp->dpbp_id != dpbp_attr.id) {
1275 printf("dpbp object id and attribute id are not same\n");
1276 goto err_attr_not_same;
1277 }
1278
1279 #ifdef DEBUG
1280 printf("Init: DPBP id=0x%x\n", dflt_dpbp->dpbp_attr.id);
1281 #endif
1282
1283 err = dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
1284 if (err < 0) {
1285 printf("dpbp_close() failed: %d\n", err);
1286 goto err_close;
1287 }
1288
1289 return 0;
1290
1291 err_get_attr:
1292 err_attr_not_same:
1293 dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
1294 dpbp_destroy(dflt_mc_io,
1295 dflt_dprc_handle,
1296 MC_CMD_NO_FLAGS,
1297 dflt_dpbp->dpbp_id);
1298 err_get_api_ver:
1299 err_close:
1300 err_open:
1301 err_create:
1302 free(dflt_dpbp);
1303 err_calloc:
1304 return err;
1305 }
1306
1307 static int dpbp_exit(void)
1308 {
1309 int err;
1310
1311 err = dpbp_destroy(dflt_mc_io, dflt_dprc_handle, MC_CMD_NO_FLAGS,
1312 dflt_dpbp->dpbp_id);
1313 if (err < 0) {
1314 printf("dpbp_destroy() failed: %d\n", err);
1315 goto err;
1316 }
1317
1318 #ifdef DEBUG
1319 printf("Exit: DPBP id=0x%d\n", dflt_dpbp->dpbp_attr.id);
1320 #endif
1321
1322 if (dflt_dpbp)
1323 free(dflt_dpbp);
1324 return 0;
1325
1326 err:
1327 return err;
1328 }
1329
1330 static int dpni_init(void)
1331 {
1332 int err;
1333 uint8_t cfg_buf[256] = {0};
1334 struct dpni_cfg dpni_cfg;
1335 uint16_t major_ver, minor_ver;
1336
1337 dflt_dpni = (struct fsl_dpni_obj *)calloc(
1338 sizeof(struct fsl_dpni_obj), 1);
1339 if (!dflt_dpni) {
1340 printf("No memory: calloc() failed\n");
1341 err = -ENOMEM;
1342 goto err_calloc;
1343 }
1344
1345 memset(&dpni_cfg, 0, sizeof(dpni_cfg));
1346 err = dpni_prepare_cfg(&dpni_cfg, &cfg_buf[0]);
1347 if (err < 0) {
1348 err = -ENODEV;
1349 printf("dpni_prepare_cfg() failed: %d\n", err);
1350 goto err_prepare_cfg;
1351 }
1352
1353 err = dpni_create(dflt_mc_io,
1354 dflt_dprc_handle,
1355 MC_CMD_NO_FLAGS,
1356 &dpni_cfg,
1357 &dflt_dpni->dpni_id);
1358 if (err < 0) {
1359 err = -ENODEV;
1360 printf("dpni create() failed: %d\n", err);
1361 goto err_create;
1362 }
1363
1364 err = dpni_get_api_version(dflt_mc_io, 0,
1365 &major_ver,
1366 &minor_ver);
1367 if (err < 0) {
1368 printf("dpni_get_api_version() failed: %d\n", err);
1369 goto err_get_version;
1370 }
1371
1372 if (major_ver < DPNI_VER_MAJOR || (major_ver == DPNI_VER_MAJOR &&
1373 minor_ver < DPNI_VER_MINOR)) {
1374 printf("DPNI version mismatch found %u.%u,",
1375 major_ver, minor_ver);
1376 printf("supported version is %u.%u\n",
1377 DPNI_VER_MAJOR, DPNI_VER_MINOR);
1378 }
1379
1380 err = dpni_open(dflt_mc_io,
1381 MC_CMD_NO_FLAGS,
1382 dflt_dpni->dpni_id,
1383 &dflt_dpni->dpni_handle);
1384 if (err) {
1385 printf("dpni_open() failed\n");
1386 goto err_open;
1387 }
1388
1389 #ifdef DEBUG
1390 printf("Init: DPNI id=0x%d\n", dflt_dpni->dpni_id);
1391 #endif
1392 err = dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
1393 if (err < 0) {
1394 printf("dpni_close() failed: %d\n", err);
1395 goto err_close;
1396 }
1397
1398 return 0;
1399
1400 err_close:
1401 dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
1402 err_open:
1403 err_get_version:
1404 dpni_destroy(dflt_mc_io,
1405 dflt_dprc_handle,
1406 MC_CMD_NO_FLAGS,
1407 dflt_dpni->dpni_id);
1408 err_create:
1409 err_prepare_cfg:
1410 free(dflt_dpni);
1411 err_calloc:
1412 return err;
1413 }
1414
1415 static int dpni_exit(void)
1416 {
1417 int err;
1418
1419 err = dpni_destroy(dflt_mc_io, dflt_dprc_handle, MC_CMD_NO_FLAGS,
1420 dflt_dpni->dpni_id);
1421 if (err < 0) {
1422 printf("dpni_destroy() failed: %d\n", err);
1423 goto err;
1424 }
1425
1426 #ifdef DEBUG
1427 printf("Exit: DPNI id=0x%d\n", dflt_dpni->dpni_id);
1428 #endif
1429
1430 if (dflt_dpni)
1431 free(dflt_dpni);
1432 return 0;
1433
1434 err:
1435 return err;
1436 }
1437
1438 static int mc_init_object(void)
1439 {
1440 int err = 0;
1441
1442 err = dprc_init();
1443 if (err < 0) {
1444 printf("dprc_init() failed: %d\n", err);
1445 goto err;
1446 }
1447
1448 err = dpbp_init();
1449 if (err < 0) {
1450 printf("dpbp_init() failed: %d\n", err);
1451 goto err;
1452 }
1453
1454 err = dpio_init();
1455 if (err < 0) {
1456 printf("dpio_init() failed: %d\n", err);
1457 goto err;
1458 }
1459
1460 err = dpni_init();
1461 if (err < 0) {
1462 printf("dpni_init() failed: %d\n", err);
1463 goto err;
1464 }
1465
1466 return 0;
1467 err:
1468 return err;
1469 }
1470
1471 int fsl_mc_ldpaa_exit(bd_t *bd)
1472 {
1473 int err = 0;
1474 bool is_dpl_apply_status = false;
1475 bool mc_boot_status = false;
1476
1477 if (bd && mc_lazy_dpl_addr && !fsl_mc_ldpaa_exit(NULL)) {
1478 err = mc_apply_dpl(mc_lazy_dpl_addr);
1479 if (!err)
1480 fdt_fixup_board_enet(working_fdt);
1481 mc_lazy_dpl_addr = 0;
1482 }
1483
1484 if (!get_mc_boot_status())
1485 mc_boot_status = true;
1486
1487 /* MC is not loaded intentionally, So return success. */
1488 if (bd && !mc_boot_status)
1489 return 0;
1490
1491 /* If DPL is deployed, set is_dpl_apply_status as TRUE. */
1492 if (!get_dpl_apply_status())
1493 is_dpl_apply_status = true;
1494
1495 /*
1496 * For case MC is loaded but DPL is not deployed, return success and
1497 * print message on console. Else FDT fix-up code execution hanged.
1498 */
1499 if (bd && mc_boot_status && !is_dpl_apply_status) {
1500 printf("fsl-mc: DPL not deployed, DPAA2 ethernet not work\n");
1501 goto mc_obj_cleanup;
1502 }
1503
1504 if (bd && mc_boot_status && is_dpl_apply_status)
1505 return 0;
1506
1507 mc_obj_cleanup:
1508 err = dpbp_exit();
1509 if (err < 0) {
1510 printf("dpbp_exit() failed: %d\n", err);
1511 goto err;
1512 }
1513
1514 err = dpio_exit();
1515 if (err < 0) {
1516 printf("dpio_exit() failed: %d\n", err);
1517 goto err;
1518 }
1519
1520 err = dpni_exit();
1521 if (err < 0) {
1522 printf("dpni_exit() failed: %d\n", err);
1523 goto err;
1524 }
1525
1526 err = dprc_exit();
1527 if (err < 0) {
1528 printf("dprc_exit() failed: %d\n", err);
1529 goto err;
1530 }
1531
1532 return 0;
1533 err:
1534 return err;
1535 }
1536
1537 static int do_fsl_mc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1538 {
1539 int err = 0;
1540 if (argc < 3)
1541 goto usage;
1542
1543 switch (argv[1][0]) {
1544 case 's': {
1545 char sub_cmd;
1546 u64 mc_fw_addr, mc_dpc_addr;
1547 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
1548 u64 aiop_fw_addr;
1549 #endif
1550
1551 sub_cmd = argv[2][0];
1552
1553 switch (sub_cmd) {
1554 case 'm':
1555 if (argc < 5)
1556 goto usage;
1557
1558 if (get_mc_boot_status() == 0) {
1559 printf("fsl-mc: MC is already booted");
1560 printf("\n");
1561 return err;
1562 }
1563 mc_fw_addr = simple_strtoull(argv[3], NULL, 16);
1564 mc_dpc_addr = simple_strtoull(argv[4], NULL,
1565 16);
1566
1567 if (!mc_init(mc_fw_addr, mc_dpc_addr))
1568 err = mc_init_object();
1569 break;
1570
1571 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
1572 case 'a':
1573 if (argc < 4)
1574 goto usage;
1575 if (get_aiop_apply_status() == 0) {
1576 printf("fsl-mc: AIOP FW is already");
1577 printf(" applied\n");
1578 return err;
1579 }
1580
1581 aiop_fw_addr = simple_strtoull(argv[3], NULL,
1582 16);
1583
1584 /* if SoC doesn't have AIOP, err = -ENODEV */
1585 err = load_mc_aiop_img(aiop_fw_addr);
1586 if (!err)
1587 printf("fsl-mc: AIOP FW applied\n");
1588 break;
1589 #endif
1590 default:
1591 printf("Invalid option: %s\n", argv[2]);
1592 goto usage;
1593
1594 break;
1595 }
1596 }
1597 break;
1598
1599 case 'l':
1600 case 'a': {
1601 u64 mc_dpl_addr;
1602
1603 if (argc < 4)
1604 goto usage;
1605
1606 if (get_dpl_apply_status() == 0) {
1607 printf("fsl-mc: DPL already applied\n");
1608 return err;
1609 }
1610
1611 mc_dpl_addr = simple_strtoull(argv[3], NULL,
1612 16);
1613
1614 if (get_mc_boot_status() != 0) {
1615 printf("fsl-mc: Deploying data path layout ..");
1616 printf("ERROR (MC is not booted)\n");
1617 return -ENODEV;
1618 }
1619
1620 if (argv[1][0] == 'l') {
1621 /*
1622 * We will do the actual dpaa exit and dpl apply
1623 * later from announce_and_cleanup().
1624 */
1625 mc_lazy_dpl_addr = mc_dpl_addr;
1626 } else {
1627 /* The user wants it applied now */
1628 if (!fsl_mc_ldpaa_exit(NULL))
1629 err = mc_apply_dpl(mc_dpl_addr);
1630 }
1631 break;
1632 }
1633 default:
1634 printf("Invalid option: %s\n", argv[1]);
1635 goto usage;
1636 break;
1637 }
1638 return err;
1639 usage:
1640 return CMD_RET_USAGE;
1641 }
1642
1643 U_BOOT_CMD(
1644 fsl_mc, CONFIG_SYS_MAXARGS, 1, do_fsl_mc,
1645 "DPAA2 command to manage Management Complex (MC)",
1646 "start mc [FW_addr] [DPC_addr] - Start Management Complex\n"
1647 "fsl_mc apply DPL [DPL_addr] - Apply DPL file\n"
1648 "fsl_mc lazyapply DPL [DPL_addr] - Apply DPL file on exit\n"
1649 "fsl_mc start aiop [FW_addr] - Start AIOP\n"
1650 );
1651
1652 void mc_env_boot(void)
1653 {
1654 #if defined(CONFIG_FSL_MC_ENET)
1655 char *mc_boot_env_var;
1656 /* The MC may only be initialized in the reset PHY function
1657 * because otherwise U-Boot has not yet set up all the MAC
1658 * address info properly. Without MAC addresses, the MC code
1659 * can not properly initialize the DPC.
1660 */
1661 mc_boot_env_var = env_get(MC_BOOT_ENV_VAR);
1662 if (mc_boot_env_var)
1663 run_command_list(mc_boot_env_var, -1, 0);
1664 #endif /* CONFIG_FSL_MC_ENET */
1665 }
"Das U-Boot" Source Tree