1 /*
2  * Copyright 2020 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 #include "amdgpu.h"
24 #include "amdgpu_psp.h"
25 #include "amdgpu_ucode.h"
26 #include "soc15_common.h"
27 #include "psp_v13_0.h"
28 
29 #include "mp/mp_13_0_2_offset.h"
30 #include "mp/mp_13_0_2_sh_mask.h"
31 
32 MODULE_FIRMWARE("amdgpu/aldebaran_sos.bin");
33 MODULE_FIRMWARE("amdgpu/aldebaran_ta.bin");
34 MODULE_FIRMWARE("amdgpu/aldebaran_cap.bin");
35 MODULE_FIRMWARE("amdgpu/yellow_carp_toc.bin");
36 MODULE_FIRMWARE("amdgpu/yellow_carp_ta.bin");
37 MODULE_FIRMWARE("amdgpu/psp_13_0_5_toc.bin");
38 MODULE_FIRMWARE("amdgpu/psp_13_0_5_ta.bin");
39 MODULE_FIRMWARE("amdgpu/psp_13_0_8_toc.bin");
40 MODULE_FIRMWARE("amdgpu/psp_13_0_8_ta.bin");
41 MODULE_FIRMWARE("amdgpu/psp_13_0_0_sos.bin");
42 MODULE_FIRMWARE("amdgpu/psp_13_0_0_ta.bin");
43 MODULE_FIRMWARE("amdgpu/psp_13_0_7_sos.bin");
44 MODULE_FIRMWARE("amdgpu/psp_13_0_7_ta.bin");
45 
46 /* For large FW files the time to complete can be very long */
47 #define USBC_PD_POLLING_LIMIT_S 240
48 
49 /* Read USB-PD from LFB */
50 #define GFX_CMD_USB_PD_USE_LFB 0x480
51 
52 /* VBIOS gfl defines */
53 #define MBOX_READY_MASK 0x80000000
54 #define MBOX_STATUS_MASK 0x0000FFFF
55 #define MBOX_COMMAND_MASK 0x00FF0000
56 #define MBOX_READY_FLAG 0x80000000
57 #define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO 0x2
58 #define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI 0x3
59 #define C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE 0x4
60 
61 static int psp_v13_0_init_microcode(struct psp_context *psp)
62 {
63 	struct amdgpu_device *adev = psp->adev;
64 	const char *chip_name;
65 	char ucode_prefix[30];
66 	int err = 0;
67 
68 	switch (adev->ip_versions[MP0_HWIP][0]) {
69 	case IP_VERSION(13, 0, 2):
70 		chip_name = "aldebaran";
71 		break;
72 	case IP_VERSION(13, 0, 1):
73 	case IP_VERSION(13, 0, 3):
74 		chip_name = "yellow_carp";
75 		break;
76 	default:
77 		amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
78 		chip_name = ucode_prefix;
79 		break;
80 	}
81 
82 	switch (adev->ip_versions[MP0_HWIP][0]) {
83 	case IP_VERSION(13, 0, 2):
84 		err = psp_init_sos_microcode(psp, chip_name);
85 		if (err)
86 			return err;
87 		/* It's not necessary to load ras ta on Guest side */
88 		if (!amdgpu_sriov_vf(adev)) {
89 			err = psp_init_ta_microcode(&adev->psp, chip_name);
90 			if (err)
91 				return err;
92 		}
93 		break;
94 	case IP_VERSION(13, 0, 1):
95 	case IP_VERSION(13, 0, 3):
96 	case IP_VERSION(13, 0, 5):
97 	case IP_VERSION(13, 0, 8):
98 		err = psp_init_toc_microcode(psp, chip_name);
99 		if (err)
100 			return err;
101 		err = psp_init_ta_microcode(psp, chip_name);
102 		if (err)
103 			return err;
104 		break;
105 	case IP_VERSION(13, 0, 0):
106 	case IP_VERSION(13, 0, 7):
107 		err = psp_init_sos_microcode(psp, chip_name);
108 		if (err)
109 			return err;
110 		/* It's not necessary to load ras ta on Guest side */
111 		err = psp_init_ta_microcode(psp, chip_name);
112 		if (err)
113 			return err;
114 		break;
115 	default:
116 		BUG();
117 	}
118 
119 	return 0;
120 }
121 
122 static bool psp_v13_0_is_sos_alive(struct psp_context *psp)
123 {
124 	struct amdgpu_device *adev = psp->adev;
125 	uint32_t sol_reg;
126 
127 	sol_reg = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81);
128 
129 	return sol_reg != 0x0;
130 }
131 
132 static int psp_v13_0_wait_for_bootloader(struct psp_context *psp)
133 {
134 	struct amdgpu_device *adev = psp->adev;
135 
136 	int ret;
137 	int retry_loop;
138 
139 	for (retry_loop = 0; retry_loop < 10; retry_loop++) {
140 		/* Wait for bootloader to signify that is
141 		    ready having bit 31 of C2PMSG_35 set to 1 */
142 		ret = psp_wait_for(psp,
143 				   SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35),
144 				   0x80000000,
145 				   0x80000000,
146 				   false);
147 
148 		if (ret == 0)
149 			return 0;
150 	}
151 
152 	return ret;
153 }
154 
155 static int psp_v13_0_bootloader_load_component(struct psp_context  	*psp,
156 					       struct psp_bin_desc 	*bin_desc,
157 					       enum psp_bootloader_cmd  bl_cmd)
158 {
159 	int ret;
160 	uint32_t psp_gfxdrv_command_reg = 0;
161 	struct amdgpu_device *adev = psp->adev;
162 
163 	/* Check tOS sign of life register to confirm sys driver and sOS
164 	 * are already been loaded.
165 	 */
166 	if (psp_v13_0_is_sos_alive(psp))
167 		return 0;
168 
169 	ret = psp_v13_0_wait_for_bootloader(psp);
170 	if (ret)
171 		return ret;
172 
173 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
174 
175 	/* Copy PSP KDB binary to memory */
176 	memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes);
177 
178 	/* Provide the PSP KDB to bootloader */
179 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36,
180 	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
181 	psp_gfxdrv_command_reg = bl_cmd;
182 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35,
183 	       psp_gfxdrv_command_reg);
184 
185 	ret = psp_v13_0_wait_for_bootloader(psp);
186 
187 	return ret;
188 }
189 
190 static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp)
191 {
192 	return psp_v13_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE);
193 }
194 
195 static int psp_v13_0_bootloader_load_spl(struct psp_context *psp)
196 {
197 	return psp_v13_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_TOS_SPL_TABLE);
198 }
199 
200 static int psp_v13_0_bootloader_load_sysdrv(struct psp_context *psp)
201 {
202 	return psp_v13_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV);
203 }
204 
205 static int psp_v13_0_bootloader_load_soc_drv(struct psp_context *psp)
206 {
207 	return psp_v13_0_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV);
208 }
209 
210 static int psp_v13_0_bootloader_load_intf_drv(struct psp_context *psp)
211 {
212 	return psp_v13_0_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV);
213 }
214 
215 static int psp_v13_0_bootloader_load_dbg_drv(struct psp_context *psp)
216 {
217 	return psp_v13_0_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_DBGDRV);
218 }
219 
220 static int psp_v13_0_bootloader_load_sos(struct psp_context *psp)
221 {
222 	int ret;
223 	unsigned int psp_gfxdrv_command_reg = 0;
224 	struct amdgpu_device *adev = psp->adev;
225 
226 	/* Check sOS sign of life register to confirm sys driver and sOS
227 	 * are already been loaded.
228 	 */
229 	if (psp_v13_0_is_sos_alive(psp))
230 		return 0;
231 
232 	ret = psp_v13_0_wait_for_bootloader(psp);
233 	if (ret)
234 		return ret;
235 
236 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
237 
238 	/* Copy Secure OS binary to PSP memory */
239 	memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes);
240 
241 	/* Provide the PSP secure OS to bootloader */
242 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36,
243 	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
244 	psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
245 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35,
246 	       psp_gfxdrv_command_reg);
247 
248 	/* there might be handshake issue with hardware which needs delay */
249 	mdelay(20);
250 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_81),
251 			   RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81),
252 			   0, true);
253 
254 	return ret;
255 }
256 
257 static int psp_v13_0_ring_init(struct psp_context *psp,
258 			      enum psp_ring_type ring_type)
259 {
260 	int ret = 0;
261 	struct psp_ring *ring;
262 	struct amdgpu_device *adev = psp->adev;
263 
264 	ring = &psp->km_ring;
265 
266 	ring->ring_type = ring_type;
267 
268 	/* allocate 4k Page of Local Frame Buffer memory for ring */
269 	ring->ring_size = 0x1000;
270 	ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
271 				      AMDGPU_GEM_DOMAIN_VRAM,
272 				      &adev->firmware.rbuf,
273 				      &ring->ring_mem_mc_addr,
274 				      (void **)&ring->ring_mem);
275 	if (ret) {
276 		ring->ring_size = 0;
277 		return ret;
278 	}
279 
280 	return 0;
281 }
282 
283 static int psp_v13_0_ring_stop(struct psp_context *psp,
284 			       enum psp_ring_type ring_type)
285 {
286 	int ret = 0;
287 	struct amdgpu_device *adev = psp->adev;
288 
289 	if (amdgpu_sriov_vf(adev)) {
290 		/* Write the ring destroy command*/
291 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101,
292 			     GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
293 		/* there might be handshake issue with hardware which needs delay */
294 		mdelay(20);
295 		/* Wait for response flag (bit 31) */
296 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_101),
297 				   0x80000000, 0x80000000, false);
298 	} else {
299 		/* Write the ring destroy command*/
300 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_64,
301 			     GFX_CTRL_CMD_ID_DESTROY_RINGS);
302 		/* there might be handshake issue with hardware which needs delay */
303 		mdelay(20);
304 		/* Wait for response flag (bit 31) */
305 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64),
306 				   0x80000000, 0x80000000, false);
307 	}
308 
309 	return ret;
310 }
311 
312 static int psp_v13_0_ring_create(struct psp_context *psp,
313 				 enum psp_ring_type ring_type)
314 {
315 	int ret = 0;
316 	unsigned int psp_ring_reg = 0;
317 	struct psp_ring *ring = &psp->km_ring;
318 	struct amdgpu_device *adev = psp->adev;
319 
320 	if (amdgpu_sriov_vf(adev)) {
321 		ret = psp_v13_0_ring_stop(psp, ring_type);
322 		if (ret) {
323 			DRM_ERROR("psp_v13_0_ring_stop_sriov failed!\n");
324 			return ret;
325 		}
326 
327 		/* Write low address of the ring to C2PMSG_102 */
328 		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
329 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102, psp_ring_reg);
330 		/* Write high address of the ring to C2PMSG_103 */
331 		psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
332 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_103, psp_ring_reg);
333 
334 		/* Write the ring initialization command to C2PMSG_101 */
335 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101,
336 			     GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
337 
338 		/* there might be handshake issue with hardware which needs delay */
339 		mdelay(20);
340 
341 		/* Wait for response flag (bit 31) in C2PMSG_101 */
342 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_101),
343 				   0x80000000, 0x8000FFFF, false);
344 
345 	} else {
346 		/* Wait for sOS ready for ring creation */
347 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64),
348 				   0x80000000, 0x80000000, false);
349 		if (ret) {
350 			DRM_ERROR("Failed to wait for trust OS ready for ring creation\n");
351 			return ret;
352 		}
353 
354 		/* Write low address of the ring to C2PMSG_69 */
355 		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
356 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_69, psp_ring_reg);
357 		/* Write high address of the ring to C2PMSG_70 */
358 		psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
359 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_70, psp_ring_reg);
360 		/* Write size of ring to C2PMSG_71 */
361 		psp_ring_reg = ring->ring_size;
362 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_71, psp_ring_reg);
363 		/* Write the ring initialization command to C2PMSG_64 */
364 		psp_ring_reg = ring_type;
365 		psp_ring_reg = psp_ring_reg << 16;
366 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_64, psp_ring_reg);
367 
368 		/* there might be handshake issue with hardware which needs delay */
369 		mdelay(20);
370 
371 		/* Wait for response flag (bit 31) in C2PMSG_64 */
372 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64),
373 				   0x80000000, 0x8000FFFF, false);
374 	}
375 
376 	return ret;
377 }
378 
379 static int psp_v13_0_ring_destroy(struct psp_context *psp,
380 				  enum psp_ring_type ring_type)
381 {
382 	int ret = 0;
383 	struct psp_ring *ring = &psp->km_ring;
384 	struct amdgpu_device *adev = psp->adev;
385 
386 	ret = psp_v13_0_ring_stop(psp, ring_type);
387 	if (ret)
388 		DRM_ERROR("Fail to stop psp ring\n");
389 
390 	amdgpu_bo_free_kernel(&adev->firmware.rbuf,
391 			      &ring->ring_mem_mc_addr,
392 			      (void **)&ring->ring_mem);
393 
394 	return ret;
395 }
396 
397 static uint32_t psp_v13_0_ring_get_wptr(struct psp_context *psp)
398 {
399 	uint32_t data;
400 	struct amdgpu_device *adev = psp->adev;
401 
402 	if (amdgpu_sriov_vf(adev))
403 		data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102);
404 	else
405 		data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67);
406 
407 	return data;
408 }
409 
410 static void psp_v13_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
411 {
412 	struct amdgpu_device *adev = psp->adev;
413 
414 	if (amdgpu_sriov_vf(adev)) {
415 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102, value);
416 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101,
417 			     GFX_CTRL_CMD_ID_CONSUME_CMD);
418 	} else
419 		WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, value);
420 }
421 
422 static int psp_v13_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr)
423 {
424 	struct amdgpu_device *adev = psp->adev;
425 	uint32_t reg_status;
426 	int ret, i = 0;
427 
428 	/*
429 	 * LFB address which is aligned to 1MB address and has to be
430 	 * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P
431 	 * register
432 	 */
433 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20));
434 
435 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35),
436 			     0x80000000, 0x80000000, false);
437 	if (ret)
438 		return ret;
439 
440 	/* Fireup interrupt so PSP can pick up the address */
441 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16));
442 
443 	/* FW load takes very long time */
444 	do {
445 		msleep(1000);
446 		reg_status = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35);
447 
448 		if (reg_status & 0x80000000)
449 			goto done;
450 
451 	} while (++i < USBC_PD_POLLING_LIMIT_S);
452 
453 	return -ETIME;
454 done:
455 
456 	if ((reg_status & 0xFFFF) != 0) {
457 		DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %04x\n",
458 				reg_status & 0xFFFF);
459 		return -EIO;
460 	}
461 
462 	return 0;
463 }
464 
465 static int psp_v13_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
466 {
467 	struct amdgpu_device *adev = psp->adev;
468 	int ret;
469 
470 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
471 
472 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35),
473 				     0x80000000, 0x80000000, false);
474 	if (!ret)
475 		*fw_ver = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36);
476 
477 	return ret;
478 }
479 
480 static int psp_v13_0_exec_spi_cmd(struct psp_context *psp, int cmd)
481 {
482 	uint32_t reg_status = 0, reg_val = 0;
483 	struct amdgpu_device *adev = psp->adev;
484 	int ret;
485 
486 	/* clear MBX ready (MBOX_READY_MASK bit is 0) and set update command */
487 	reg_val |= (cmd << 16);
488 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115,  reg_val);
489 
490 	/* Ring the doorbell */
491 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_73, 1);
492 
493 	if (cmd == C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE)
494 		return 0;
495 
496 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115),
497 				MBOX_READY_FLAG, MBOX_READY_MASK, false);
498 	if (ret) {
499 		dev_err(adev->dev, "SPI cmd %x timed out, ret = %d", cmd, ret);
500 		return ret;
501 	}
502 
503 	reg_status = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115);
504 	if ((reg_status & 0xFFFF) != 0) {
505 		dev_err(adev->dev, "SPI cmd %x failed, fail status = %04x\n",
506 				cmd, reg_status & 0xFFFF);
507 		return -EIO;
508 	}
509 
510 	return 0;
511 }
512 
513 static int psp_v13_0_update_spirom(struct psp_context *psp,
514 				   uint64_t fw_pri_mc_addr)
515 {
516 	struct amdgpu_device *adev = psp->adev;
517 	int ret;
518 
519 	/* Confirm PSP is ready to start */
520 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115),
521 			   MBOX_READY_FLAG, MBOX_READY_MASK, false);
522 	if (ret) {
523 		dev_err(adev->dev, "PSP Not ready to start processing, ret = %d", ret);
524 		return ret;
525 	}
526 
527 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_116, lower_32_bits(fw_pri_mc_addr));
528 
529 	ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO);
530 	if (ret)
531 		return ret;
532 
533 	WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_116, upper_32_bits(fw_pri_mc_addr));
534 
535 	ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI);
536 	if (ret)
537 		return ret;
538 
539 	psp->vbflash_done = true;
540 
541 	ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE);
542 	if (ret)
543 		return ret;
544 
545 	return 0;
546 }
547 
548 static int psp_v13_0_vbflash_status(struct psp_context *psp)
549 {
550 	struct amdgpu_device *adev = psp->adev;
551 
552 	return RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115);
553 }
554 
555 static const struct psp_funcs psp_v13_0_funcs = {
556 	.init_microcode = psp_v13_0_init_microcode,
557 	.bootloader_load_kdb = psp_v13_0_bootloader_load_kdb,
558 	.bootloader_load_spl = psp_v13_0_bootloader_load_spl,
559 	.bootloader_load_sysdrv = psp_v13_0_bootloader_load_sysdrv,
560 	.bootloader_load_soc_drv = psp_v13_0_bootloader_load_soc_drv,
561 	.bootloader_load_intf_drv = psp_v13_0_bootloader_load_intf_drv,
562 	.bootloader_load_dbg_drv = psp_v13_0_bootloader_load_dbg_drv,
563 	.bootloader_load_sos = psp_v13_0_bootloader_load_sos,
564 	.ring_init = psp_v13_0_ring_init,
565 	.ring_create = psp_v13_0_ring_create,
566 	.ring_stop = psp_v13_0_ring_stop,
567 	.ring_destroy = psp_v13_0_ring_destroy,
568 	.ring_get_wptr = psp_v13_0_ring_get_wptr,
569 	.ring_set_wptr = psp_v13_0_ring_set_wptr,
570 	.load_usbc_pd_fw = psp_v13_0_load_usbc_pd_fw,
571 	.read_usbc_pd_fw = psp_v13_0_read_usbc_pd_fw,
572 	.update_spirom = psp_v13_0_update_spirom,
573 	.vbflash_stat = psp_v13_0_vbflash_status
574 };
575 
576 void psp_v13_0_set_psp_funcs(struct psp_context *psp)
577 {
578 	psp->funcs = &psp_v13_0_funcs;
579 }
580