xref: /rk3399_rockchip-uboot/drivers/net/fsl-mc/mc.c (revision 2b7c4a19835dab608bbd8662a60b03aa0f37a423)
1 /*
2  * Copyright (C) 2014 Freescale Semiconductor
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 #include <errno.h>
7 #include <asm/io.h>
8 #include <fsl-mc/fsl_mc.h>
9 #include <fsl-mc/fsl_mc_sys.h>
10 #include <fsl-mc/fsl_mc_private.h>
11 #include <fsl-mc/fsl_dpmng.h>
12 #include <fsl-mc/fsl_dprc.h>
13 #include <fsl-mc/fsl_dpio.h>
14 #include <fsl-mc/fsl_qbman_portal.h>
15 
16 #define MC_RAM_BASE_ADDR_ALIGNMENT  (512UL * 1024 * 1024)
17 #define MC_RAM_BASE_ADDR_ALIGNMENT_MASK	(~(MC_RAM_BASE_ADDR_ALIGNMENT - 1))
18 #define MC_RAM_SIZE_ALIGNMENT	    (256UL * 1024 * 1024)
19 
20 #define MC_MEM_SIZE_ENV_VAR	"mcmemsize"
21 #define MC_BOOT_TIMEOUT_ENV_VAR	"mcboottimeout"
22 
23 DECLARE_GLOBAL_DATA_PTR;
24 static int mc_boot_status;
25 struct fsl_mc_io *dflt_mc_io = NULL;
26 uint16_t dflt_dprc_handle = 0;
27 struct fsl_dpbp_obj *dflt_dpbp = NULL;
28 struct fsl_dpio_obj *dflt_dpio = NULL;
29 uint16_t dflt_dpio_handle = 0;
30 
31 #ifdef DEBUG
32 void dump_ram_words(const char *title, void *addr)
33 {
34 	int i;
35 	uint32_t *words = addr;
36 
37 	printf("Dumping beginning of %s (%p):\n", title, addr);
38 	for (i = 0; i < 16; i++)
39 		printf("%#x ", words[i]);
40 
41 	printf("\n");
42 }
43 
44 void dump_mc_ccsr_regs(struct mc_ccsr_registers __iomem *mc_ccsr_regs)
45 {
46 	printf("MC CCSR registers:\n"
47 		"reg_gcr1 %#x\n"
48 		"reg_gsr %#x\n"
49 		"reg_sicbalr %#x\n"
50 		"reg_sicbahr %#x\n"
51 		"reg_sicapr %#x\n"
52 		"reg_mcfbalr %#x\n"
53 		"reg_mcfbahr %#x\n"
54 		"reg_mcfapr %#x\n"
55 		"reg_psr %#x\n",
56 		mc_ccsr_regs->reg_gcr1,
57 		mc_ccsr_regs->reg_gsr,
58 		mc_ccsr_regs->reg_sicbalr,
59 		mc_ccsr_regs->reg_sicbahr,
60 		mc_ccsr_regs->reg_sicapr,
61 		mc_ccsr_regs->reg_mcfbalr,
62 		mc_ccsr_regs->reg_mcfbahr,
63 		mc_ccsr_regs->reg_mcfapr,
64 		mc_ccsr_regs->reg_psr);
65 }
66 #else
67 
68 #define dump_ram_words(title, addr)
69 #define dump_mc_ccsr_regs(mc_ccsr_regs)
70 
71 #endif /* DEBUG */
72 
73 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
74 /**
75  * Copying MC firmware or DPL image to DDR
76  */
77 static int mc_copy_image(const char *title,
78 			 u64 image_addr, u32 image_size, u64 mc_ram_addr)
79 {
80 	debug("%s copied to address %p\n", title, (void *)mc_ram_addr);
81 	memcpy((void *)mc_ram_addr, (void *)image_addr, image_size);
82 	flush_dcache_range(mc_ram_addr, mc_ram_addr + image_size);
83 	return 0;
84 }
85 
86 /**
87  * MC firmware FIT image parser checks if the image is in FIT
88  * format, verifies integrity of the image and calculates
89  * raw image address and size values.
90  * Returns 0 on success and a negative errno on error.
91  * task fail.
92  **/
93 int parse_mc_firmware_fit_image(const void **raw_image_addr,
94 				size_t *raw_image_size)
95 {
96 	int format;
97 	void *fit_hdr;
98 	int node_offset;
99 	const void *data;
100 	size_t size;
101 	const char *uname = "firmware";
102 
103 	/* Check if the image is in NOR flash */
104 #ifdef CONFIG_SYS_LS_MC_FW_IN_NOR
105 	fit_hdr = (void *)CONFIG_SYS_LS_MC_FW_ADDR;
106 #else
107 #error "No CONFIG_SYS_LS_MC_FW_IN_xxx defined"
108 #endif
109 
110 	/* Check if Image is in FIT format */
111 	format = genimg_get_format(fit_hdr);
112 
113 	if (format != IMAGE_FORMAT_FIT) {
114 		printf("fsl-mc: ERROR: Bad firmware image (not a FIT image)\n");
115 		return -EINVAL;
116 	}
117 
118 	if (!fit_check_format(fit_hdr)) {
119 		printf("fsl-mc: ERROR: Bad firmware image (bad FIT header)\n");
120 		return -EINVAL;
121 	}
122 
123 	node_offset = fit_image_get_node(fit_hdr, uname);
124 
125 	if (node_offset < 0) {
126 		printf("fsl-mc: ERROR: Bad firmware image (missing subimage)\n");
127 		return -ENOENT;
128 	}
129 
130 	/* Verify MC firmware image */
131 	if (!(fit_image_verify(fit_hdr, node_offset))) {
132 		printf("fsl-mc: ERROR: Bad firmware image (bad CRC)\n");
133 		return -EINVAL;
134 	}
135 
136 	/* Get address and size of raw image */
137 	fit_image_get_data(fit_hdr, node_offset, &data, &size);
138 
139 	*raw_image_addr = data;
140 	*raw_image_size = size;
141 
142 	return 0;
143 }
144 #endif
145 
146 /*
147  * Calculates the values to be used to specify the address range
148  * for the MC private DRAM block, in the MCFBALR/MCFBAHR registers.
149  * It returns the highest 512MB-aligned address within the given
150  * address range, in '*aligned_base_addr', and the number of 256 MiB
151  * blocks in it, in 'num_256mb_blocks'.
152  */
153 static int calculate_mc_private_ram_params(u64 mc_private_ram_start_addr,
154 					   size_t mc_ram_size,
155 					   u64 *aligned_base_addr,
156 					   u8 *num_256mb_blocks)
157 {
158 	u64 addr;
159 	u16 num_blocks;
160 
161 	if (mc_ram_size % MC_RAM_SIZE_ALIGNMENT != 0) {
162 		printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
163 		       mc_ram_size);
164 		return -EINVAL;
165 	}
166 
167 	num_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
168 	if (num_blocks < 1 || num_blocks > 0xff) {
169 		printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
170 		       mc_ram_size);
171 		return -EINVAL;
172 	}
173 
174 	addr = (mc_private_ram_start_addr + mc_ram_size - 1) &
175 		MC_RAM_BASE_ADDR_ALIGNMENT_MASK;
176 
177 	if (addr < mc_private_ram_start_addr) {
178 		printf("fsl-mc: ERROR: bad start address %#llx\n",
179 		       mc_private_ram_start_addr);
180 		return -EFAULT;
181 	}
182 
183 	*aligned_base_addr = addr;
184 	*num_256mb_blocks = num_blocks;
185 	return 0;
186 }
187 
188 static int load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size)
189 {
190 	u64 mc_dpc_offset;
191 #ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
192 	int error;
193 	void *dpc_fdt_hdr;
194 	int dpc_size;
195 #endif
196 
197 #ifdef CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET
198 	BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET & 0x3) != 0 ||
199 		     CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET > 0xffffffff);
200 
201 	mc_dpc_offset = CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET;
202 #else
203 #error "CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET not defined"
204 #endif
205 
206 	/*
207 	 * Load the MC DPC blob in the MC private DRAM block:
208 	 */
209 #ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
210 	printf("MC DPC is preloaded to %#llx\n", mc_ram_addr + mc_dpc_offset);
211 #else
212 	/*
213 	 * Get address and size of the DPC blob stored in flash:
214 	 */
215 #ifdef CONFIG_SYS_LS_MC_DPC_IN_NOR
216 	dpc_fdt_hdr = (void *)CONFIG_SYS_LS_MC_DPC_ADDR;
217 #else
218 #error "No CONFIG_SYS_LS_MC_DPC_IN_xxx defined"
219 #endif
220 
221 	error = fdt_check_header(dpc_fdt_hdr);
222 	if (error != 0) {
223 		/*
224 		 * Don't return with error here, since the MC firmware can
225 		 * still boot without a DPC
226 		 */
227 		printf("\nfsl-mc: WARNING: No DPC image found");
228 		return 0;
229 	}
230 
231 	dpc_size = fdt_totalsize(dpc_fdt_hdr);
232 	if (dpc_size > CONFIG_SYS_LS_MC_DPC_MAX_LENGTH) {
233 		printf("\nfsl-mc: ERROR: Bad DPC image (too large: %d)\n",
234 		       dpc_size);
235 		return -EINVAL;
236 	}
237 
238 	mc_copy_image("MC DPC blob",
239 		      (u64)dpc_fdt_hdr, dpc_size, mc_ram_addr + mc_dpc_offset);
240 #endif /* not defined CONFIG_SYS_LS_MC_DPC_IN_DDR */
241 
242 	dump_ram_words("DPC", (void *)(mc_ram_addr + mc_dpc_offset));
243 	return 0;
244 }
245 
246 static int load_mc_dpl(u64 mc_ram_addr, size_t mc_ram_size)
247 {
248 	u64 mc_dpl_offset;
249 #ifndef CONFIG_SYS_LS_MC_DPL_IN_DDR
250 	int error;
251 	void *dpl_fdt_hdr;
252 	int dpl_size;
253 #endif
254 
255 #ifdef CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET
256 	BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET & 0x3) != 0 ||
257 		     CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET > 0xffffffff);
258 
259 	mc_dpl_offset = CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET;
260 #else
261 #error "CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET not defined"
262 #endif
263 
264 	/*
265 	 * Load the MC DPL blob in the MC private DRAM block:
266 	 */
267 #ifdef CONFIG_SYS_LS_MC_DPL_IN_DDR
268 	printf("MC DPL is preloaded to %#llx\n", mc_ram_addr + mc_dpl_offset);
269 #else
270 	/*
271 	 * Get address and size of the DPL blob stored in flash:
272 	 */
273 #ifdef CONFIG_SYS_LS_MC_DPL_IN_NOR
274 	dpl_fdt_hdr = (void *)CONFIG_SYS_LS_MC_DPL_ADDR;
275 #else
276 #error "No CONFIG_SYS_LS_MC_DPL_IN_xxx defined"
277 #endif
278 
279 	error = fdt_check_header(dpl_fdt_hdr);
280 	if (error != 0) {
281 		printf("\nfsl-mc: ERROR: Bad DPL image (bad header)\n");
282 		return error;
283 	}
284 
285 	dpl_size = fdt_totalsize(dpl_fdt_hdr);
286 	if (dpl_size > CONFIG_SYS_LS_MC_DPL_MAX_LENGTH) {
287 		printf("\nfsl-mc: ERROR: Bad DPL image (too large: %d)\n",
288 		       dpl_size);
289 		return -EINVAL;
290 	}
291 
292 	mc_copy_image("MC DPL blob",
293 		      (u64)dpl_fdt_hdr, dpl_size, mc_ram_addr + mc_dpl_offset);
294 #endif /* not defined CONFIG_SYS_LS_MC_DPL_IN_DDR */
295 
296 	dump_ram_words("DPL", (void *)(mc_ram_addr + mc_dpl_offset));
297 	return 0;
298 }
299 
300 /**
301  * Return the MC boot timeout value in milliseconds
302  */
303 static unsigned long get_mc_boot_timeout_ms(void)
304 {
305 	unsigned long timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
306 
307 	char *timeout_ms_env_var = getenv(MC_BOOT_TIMEOUT_ENV_VAR);
308 
309 	if (timeout_ms_env_var) {
310 		timeout_ms = simple_strtoul(timeout_ms_env_var, NULL, 10);
311 		if (timeout_ms == 0) {
312 			printf("fsl-mc: WARNING: Invalid value for \'"
313 			       MC_BOOT_TIMEOUT_ENV_VAR
314 			       "\' environment variable: %lu\n",
315 			       timeout_ms);
316 
317 			timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
318 		}
319 	}
320 
321 	return timeout_ms;
322 }
323 
324 #ifdef CONFIG_SYS_LS_MC_AIOP_IMG_IN_NOR
325 static int load_mc_aiop_img(u64 mc_ram_addr, size_t mc_ram_size)
326 {
327 	void *aiop_img;
328 
329 	/*
330 	 * Load the MC AIOP image in the MC private DRAM block:
331 	 */
332 
333 	aiop_img = (void *)CONFIG_SYS_LS_MC_AIOP_IMG_ADDR;
334 	mc_copy_image("MC AIOP image",
335 		      (u64)aiop_img, CONFIG_SYS_LS_MC_AIOP_IMG_MAX_LENGTH,
336 		      mc_ram_addr + CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
337 
338 	return 0;
339 }
340 #endif
341 static int wait_for_mc(bool booting_mc, u32 *final_reg_gsr)
342 {
343 	u32 reg_gsr;
344 	u32 mc_fw_boot_status;
345 	unsigned long timeout_ms = get_mc_boot_timeout_ms();
346 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
347 
348 	dmb();
349 	assert(timeout_ms > 0);
350 	for (;;) {
351 		udelay(1000);	/* throttle polling */
352 		reg_gsr = in_le32(&mc_ccsr_regs->reg_gsr);
353 		mc_fw_boot_status = (reg_gsr & GSR_FS_MASK);
354 		if (mc_fw_boot_status & 0x1)
355 			break;
356 
357 		timeout_ms--;
358 		if (timeout_ms == 0)
359 			break;
360 	}
361 
362 	if (timeout_ms == 0) {
363 		printf("ERROR: timeout\n");
364 
365 		/* TODO: Get an error status from an MC CCSR register */
366 		return -ETIMEDOUT;
367 	}
368 
369 	if (mc_fw_boot_status != 0x1) {
370 		/*
371 		 * TODO: Identify critical errors from the GSR register's FS
372 		 * field and for those errors, set error to -ENODEV or other
373 		 * appropriate errno, so that the status property is set to
374 		 * failure in the fsl,dprc device tree node.
375 		 */
376 		printf("WARNING: Firmware returned an error (GSR: %#x)\n",
377 		       reg_gsr);
378 	} else {
379 		printf("SUCCESS\n");
380 	}
381 
382 
383 	*final_reg_gsr = reg_gsr;
384 	return 0;
385 }
386 
387 int mc_init(void)
388 {
389 	int error = 0;
390 	int portal_id = 0;
391 	struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
392 	u64 mc_ram_addr;
393 	u32 reg_gsr;
394 	u32 reg_mcfbalr;
395 #ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
396 	const void *raw_image_addr;
397 	size_t raw_image_size = 0;
398 #endif
399 	struct mc_version mc_ver_info;
400 	u64 mc_ram_aligned_base_addr;
401 	u8 mc_ram_num_256mb_blocks;
402 	size_t mc_ram_size = mc_get_dram_block_size();
403 
404 	/*
405 	 * The MC private DRAM block was already carved at the end of DRAM
406 	 * by board_init_f() using CONFIG_SYS_MEM_TOP_HIDE:
407 	 */
408 	if (gd->bd->bi_dram[1].start) {
409 		mc_ram_addr =
410 			gd->bd->bi_dram[1].start + gd->bd->bi_dram[1].size;
411 	} else {
412 		mc_ram_addr =
413 			gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
414 	}
415 
416 	error = calculate_mc_private_ram_params(mc_ram_addr,
417 						mc_ram_size,
418 						&mc_ram_aligned_base_addr,
419 						&mc_ram_num_256mb_blocks);
420 	if (error != 0)
421 		goto out;
422 
423 	/*
424 	 * Management Complex cores should be held at reset out of POR.
425 	 * U-boot should be the first software to touch MC. To be safe,
426 	 * we reset all cores again by setting GCR1 to 0. It doesn't do
427 	 * anything if they are held at reset. After we setup the firmware
428 	 * we kick off MC by deasserting the reset bit for core 0, and
429 	 * deasserting the reset bits for Command Portal Managers.
430 	 * The stop bits are not touched here. They are used to stop the
431 	 * cores when they are active. Setting stop bits doesn't stop the
432 	 * cores from fetching instructions when they are released from
433 	 * reset.
434 	 */
435 	out_le32(&mc_ccsr_regs->reg_gcr1, 0);
436 	dmb();
437 
438 #ifdef CONFIG_SYS_LS_MC_FW_IN_DDR
439 	printf("MC firmware is preloaded to %#llx\n", mc_ram_addr);
440 #else
441 	error = parse_mc_firmware_fit_image(&raw_image_addr, &raw_image_size);
442 	if (error != 0)
443 		goto out;
444 	/*
445 	 * Load the MC FW at the beginning of the MC private DRAM block:
446 	 */
447 	mc_copy_image("MC Firmware",
448 		      (u64)raw_image_addr, raw_image_size, mc_ram_addr);
449 #endif
450 	dump_ram_words("firmware", (void *)mc_ram_addr);
451 
452 	error = load_mc_dpc(mc_ram_addr, mc_ram_size);
453 	if (error != 0)
454 		goto out;
455 
456 	error = load_mc_dpl(mc_ram_addr, mc_ram_size);
457 	if (error != 0)
458 		goto out;
459 
460 #ifdef CONFIG_SYS_LS_MC_AIOP_IMG_IN_NOR
461 	error = load_mc_aiop_img(mc_ram_addr, mc_ram_size);
462 	if (error != 0)
463 		goto out;
464 #endif
465 
466 	debug("mc_ccsr_regs %p\n", mc_ccsr_regs);
467 	dump_mc_ccsr_regs(mc_ccsr_regs);
468 
469 	/*
470 	 * Tell MC what is the address range of the DRAM block assigned to it:
471 	 */
472 	reg_mcfbalr = (u32)mc_ram_aligned_base_addr |
473 		      (mc_ram_num_256mb_blocks - 1);
474 	out_le32(&mc_ccsr_regs->reg_mcfbalr, reg_mcfbalr);
475 	out_le32(&mc_ccsr_regs->reg_mcfbahr,
476 		 (u32)(mc_ram_aligned_base_addr >> 32));
477 	out_le32(&mc_ccsr_regs->reg_mcfapr, MCFAPR_BYPASS_ICID_MASK);
478 
479 	/*
480 	 * Tell the MC that we want delayed DPL deployment.
481 	 */
482 	out_le32(&mc_ccsr_regs->reg_gsr, 0xDD00);
483 
484 	printf("\nfsl-mc: Booting Management Complex ... ");
485 
486 	/*
487 	 * Deassert reset and release MC core 0 to run
488 	 */
489 	out_le32(&mc_ccsr_regs->reg_gcr1, GCR1_P1_DE_RST | GCR1_M_ALL_DE_RST);
490 	error = wait_for_mc(true, &reg_gsr);
491 	if (error != 0)
492 		goto out;
493 
494 	/*
495 	 * TODO: need to obtain the portal_id for the root container from the
496 	 * DPL
497 	 */
498 	portal_id = 0;
499 
500 	/*
501 	 * Initialize the global default MC portal
502 	 * And check that the MC firmware is responding portal commands:
503 	 */
504 	dflt_mc_io = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
505 	if (!dflt_mc_io) {
506 		printf(" No memory: malloc() failed\n");
507 		return -ENOMEM;
508 	}
509 
510 	dflt_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(portal_id);
511 	debug("Checking access to MC portal of root DPRC container (portal_id %d, portal physical addr %p)\n",
512 	      portal_id, dflt_mc_io->mmio_regs);
513 
514 	error = mc_get_version(dflt_mc_io, &mc_ver_info);
515 	if (error != 0) {
516 		printf("fsl-mc: ERROR: Firmware version check failed (error: %d)\n",
517 		       error);
518 		goto out;
519 	}
520 
521 	if (MC_VER_MAJOR != mc_ver_info.major) {
522 		printf("fsl-mc: ERROR: Firmware major version mismatch (found: %d, expected: %d)\n",
523 		       mc_ver_info.major, MC_VER_MAJOR);
524 		printf("fsl-mc: Update the Management Complex firmware\n");
525 
526 		error = -ENODEV;
527 		goto out;
528 	}
529 
530 	if (MC_VER_MINOR != mc_ver_info.minor)
531 		printf("fsl-mc: WARNING: Firmware minor version mismatch (found: %d, expected: %d)\n",
532 		       mc_ver_info.minor, MC_VER_MINOR);
533 
534 	printf("fsl-mc: Management Complex booted (version: %d.%d.%d, boot status: %#x)\n",
535 	       mc_ver_info.major, mc_ver_info.minor, mc_ver_info.revision,
536 	       reg_gsr & GSR_FS_MASK);
537 
538 	/*
539 	 * Tell the MC to deploy the DPL:
540 	 */
541 	out_le32(&mc_ccsr_regs->reg_gsr, 0x0);
542 	printf("fsl-mc: Deploying data path layout ... ");
543 	error = wait_for_mc(false, &reg_gsr);
544 	if (error != 0)
545 		goto out;
546 
547 out:
548 	if (error != 0)
549 		mc_boot_status = error;
550 	else
551 		mc_boot_status = 0;
552 
553 	return error;
554 }
555 
556 int get_mc_boot_status(void)
557 {
558 	return mc_boot_status;
559 }
560 
561 /**
562  * Return the actual size of the MC private DRAM block.
563  */
564 unsigned long mc_get_dram_block_size(void)
565 {
566 	unsigned long dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
567 
568 	char *dram_block_size_env_var = getenv(MC_MEM_SIZE_ENV_VAR);
569 
570 	if (dram_block_size_env_var) {
571 		dram_block_size = simple_strtoul(dram_block_size_env_var, NULL,
572 						 10);
573 
574 		if (dram_block_size < CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE) {
575 			printf("fsl-mc: WARNING: Invalid value for \'"
576 			       MC_MEM_SIZE_ENV_VAR
577 			       "\' environment variable: %lu\n",
578 			       dram_block_size);
579 
580 			dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
581 		}
582 	}
583 
584 	return dram_block_size;
585 }
586 
587 int dpio_init(struct dprc_obj_desc obj_desc)
588 {
589 	struct qbman_swp_desc p_des;
590 	struct dpio_attr attr;
591 	int err = 0;
592 
593 	dflt_dpio = (struct fsl_dpio_obj *)malloc(sizeof(struct fsl_dpio_obj));
594 	if (!dflt_dpio) {
595 		printf(" No memory: malloc() failed\n");
596 		return -ENOMEM;
597 	}
598 
599 	dflt_dpio->dpio_id = obj_desc.id;
600 
601 	err = dpio_open(dflt_mc_io, obj_desc.id, &dflt_dpio_handle);
602 	if (err) {
603 		printf("dpio_open() failed\n");
604 		goto err_open;
605 	}
606 
607 	err = dpio_get_attributes(dflt_mc_io, dflt_dpio_handle, &attr);
608 	if (err) {
609 		printf("dpio_get_attributes() failed %d\n", err);
610 		goto err_get_attr;
611 	}
612 
613 	err = dpio_enable(dflt_mc_io, dflt_dpio_handle);
614 	if (err) {
615 		printf("dpio_enable() failed %d\n", err);
616 		goto err_get_enable;
617 	}
618 	debug("ce_offset=0x%llx, ci_offset=0x%llx, portalid=%d, prios=%d\n",
619 	      attr.qbman_portal_ce_offset,
620 	      attr.qbman_portal_ci_offset,
621 	      attr.qbman_portal_id,
622 	      attr.num_priorities);
623 
624 	p_des.cena_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
625 					+ attr.qbman_portal_ce_offset);
626 	p_des.cinh_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
627 					+ attr.qbman_portal_ci_offset);
628 
629 	dflt_dpio->sw_portal = qbman_swp_init(&p_des);
630 	if (dflt_dpio->sw_portal == NULL) {
631 		printf("qbman_swp_init() failed\n");
632 		goto err_get_swp_init;
633 	}
634 	return 0;
635 
636 err_get_swp_init:
637 err_get_enable:
638 	dpio_disable(dflt_mc_io, dflt_dpio_handle);
639 err_get_attr:
640 	dpio_close(dflt_mc_io, dflt_dpio_handle);
641 err_open:
642 	free(dflt_dpio);
643 	return err;
644 }
645 
646 int dpbp_init(struct dprc_obj_desc obj_desc)
647 {
648 	dflt_dpbp = (struct fsl_dpbp_obj *)malloc(sizeof(struct fsl_dpbp_obj));
649 	if (!dflt_dpbp) {
650 		printf(" No memory: malloc() failed\n");
651 		return -ENOMEM;
652 	}
653 	dflt_dpbp->dpbp_attr.id = obj_desc.id;
654 
655 	return 0;
656 }
657 
658 int dprc_init_container_obj(struct dprc_obj_desc obj_desc, uint16_t dprc_handle)
659 {
660 	int error = 0, state = 0;
661 	struct dprc_endpoint dpni_endpoint, dpmac_endpoint;
662 	if (!strcmp(obj_desc.type, "dpbp")) {
663 		if (!dflt_dpbp) {
664 			error = dpbp_init(obj_desc);
665 			if (error < 0)
666 				printf("dpbp_init failed\n");
667 		}
668 	} else if (!strcmp(obj_desc.type, "dpio")) {
669 		if (!dflt_dpio) {
670 			error = dpio_init(obj_desc);
671 			if (error < 0)
672 				printf("dpio_init failed\n");
673 		}
674 	} else if (!strcmp(obj_desc.type, "dpni")) {
675 		strcpy(dpni_endpoint.type, obj_desc.type);
676 		dpni_endpoint.id = obj_desc.id;
677 		error = dprc_get_connection(dflt_mc_io, dprc_handle,
678 				     &dpni_endpoint, &dpmac_endpoint, &state);
679 		if (!strcmp(dpmac_endpoint.type, "dpmac"))
680 			error = ldpaa_eth_init(obj_desc);
681 		if (error < 0)
682 			printf("ldpaa_eth_init failed\n");
683 	}
684 
685 	return error;
686 }
687 
688 int dprc_scan_container_obj(uint16_t dprc_handle, char *obj_type, int i)
689 {
690 	int error = 0;
691 	struct dprc_obj_desc obj_desc;
692 
693 	memset((void *)&obj_desc, 0x00, sizeof(struct dprc_obj_desc));
694 
695 	error = dprc_get_obj(dflt_mc_io, dprc_handle,
696 			     i, &obj_desc);
697 	if (error < 0) {
698 		printf("dprc_get_obj(i=%d) failed: %d\n",
699 		       i, error);
700 		return error;
701 	}
702 
703 	if (!strcmp(obj_desc.type, obj_type)) {
704 		debug("Discovered object: type %s, id %d, req %s\n",
705 		      obj_desc.type, obj_desc.id, obj_type);
706 
707 		error = dprc_init_container_obj(obj_desc, dprc_handle);
708 		if (error < 0) {
709 			printf("dprc_init_container_obj(i=%d) failed: %d\n",
710 			       i, error);
711 			return error;
712 		}
713 	}
714 
715 	return error;
716 }
717 
718 int fsl_mc_ldpaa_init(bd_t *bis)
719 {
720 	int i, error = 0;
721 	int dprc_opened = 0, container_id;
722 	int num_child_objects = 0;
723 
724 	error = mc_init();
725 	if (error < 0)
726 		goto error;
727 
728 	error = dprc_get_container_id(dflt_mc_io, &container_id);
729 	if (error < 0) {
730 		printf("dprc_get_container_id() failed: %d\n", error);
731 		goto error;
732 	}
733 
734 	debug("fsl-mc: Container id=0x%x\n", container_id);
735 
736 	error = dprc_open(dflt_mc_io, container_id, &dflt_dprc_handle);
737 	if (error < 0) {
738 		printf("dprc_open() failed: %d\n", error);
739 		goto error;
740 	}
741 	dprc_opened = true;
742 
743 	error = dprc_get_obj_count(dflt_mc_io,
744 				   dflt_dprc_handle,
745 				   &num_child_objects);
746 	if (error < 0) {
747 		printf("dprc_get_obj_count() failed: %d\n", error);
748 		goto error;
749 	}
750 	debug("Total child in container %d = %d\n", container_id,
751 	      num_child_objects);
752 
753 	if (num_child_objects != 0) {
754 		/*
755 		 * Discover objects currently in the DPRC container in the MC:
756 		 */
757 		for (i = 0; i < num_child_objects; i++)
758 			error = dprc_scan_container_obj(dflt_dprc_handle,
759 							"dpbp", i);
760 
761 		for (i = 0; i < num_child_objects; i++)
762 			error = dprc_scan_container_obj(dflt_dprc_handle,
763 							"dpio", i);
764 
765 		for (i = 0; i < num_child_objects; i++)
766 			error = dprc_scan_container_obj(dflt_dprc_handle,
767 							"dpni", i);
768 	}
769 error:
770 	if (dprc_opened)
771 		dprc_close(dflt_mc_io, dflt_dprc_handle);
772 
773 	return error;
774 }
775 
776 void fsl_mc_ldpaa_exit(bd_t *bis)
777 {
778 	int err;
779 
780 	if (get_mc_boot_status() == 0) {
781 		err = dpio_disable(dflt_mc_io, dflt_dpio_handle);
782 		if (err < 0) {
783 			printf("dpio_disable() failed: %d\n", err);
784 			return;
785 		}
786 		err = dpio_reset(dflt_mc_io, dflt_dpio_handle);
787 		if (err < 0) {
788 			printf("dpio_reset() failed: %d\n", err);
789 			return;
790 		}
791 		err = dpio_close(dflt_mc_io, dflt_dpio_handle);
792 		if (err < 0) {
793 			printf("dpio_close() failed: %d\n", err);
794 			return;
795 		}
796 
797 		free(dflt_dpio);
798 		free(dflt_dpbp);
799 	}
800 
801 	if (dflt_mc_io)
802 		free(dflt_mc_io);
803 }
804