xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c (revision fed8b7e366e7c8f81e957ef91aa8f0a38e038c66)
1 /*
2  * Copyright 2018 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 <linux/firmware.h>
24 #include "amdgpu.h"
25 #include "amdgpu_psp.h"
26 #include "amdgpu_ucode.h"
27 #include "soc15_common.h"
28 #include "psp_v11_0.h"
29 
30 #include "mp/mp_11_0_offset.h"
31 #include "mp/mp_11_0_sh_mask.h"
32 #include "gc/gc_9_0_offset.h"
33 #include "sdma0/sdma0_4_0_offset.h"
34 #include "nbio/nbio_7_4_offset.h"
35 
36 MODULE_FIRMWARE("amdgpu/vega20_sos.bin");
37 
38 /* address block */
39 #define smnMP1_FIRMWARE_FLAGS		0x3010024
40 
41 static int
42 psp_v11_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *type)
43 {
44 	switch (ucode->ucode_id) {
45 	case AMDGPU_UCODE_ID_SDMA0:
46 		*type = GFX_FW_TYPE_SDMA0;
47 		break;
48 	case AMDGPU_UCODE_ID_SDMA1:
49 		*type = GFX_FW_TYPE_SDMA1;
50 		break;
51 	case AMDGPU_UCODE_ID_CP_CE:
52 		*type = GFX_FW_TYPE_CP_CE;
53 		break;
54 	case AMDGPU_UCODE_ID_CP_PFP:
55 		*type = GFX_FW_TYPE_CP_PFP;
56 		break;
57 	case AMDGPU_UCODE_ID_CP_ME:
58 		*type = GFX_FW_TYPE_CP_ME;
59 		break;
60 	case AMDGPU_UCODE_ID_CP_MEC1:
61 		*type = GFX_FW_TYPE_CP_MEC;
62 		break;
63 	case AMDGPU_UCODE_ID_CP_MEC1_JT:
64 		*type = GFX_FW_TYPE_CP_MEC_ME1;
65 		break;
66 	case AMDGPU_UCODE_ID_CP_MEC2:
67 		*type = GFX_FW_TYPE_CP_MEC;
68 		break;
69 	case AMDGPU_UCODE_ID_CP_MEC2_JT:
70 		*type = GFX_FW_TYPE_CP_MEC_ME2;
71 		break;
72 	case AMDGPU_UCODE_ID_RLC_G:
73 		*type = GFX_FW_TYPE_RLC_G;
74 		break;
75 	case AMDGPU_UCODE_ID_SMC:
76 		*type = GFX_FW_TYPE_SMU;
77 		break;
78 	case AMDGPU_UCODE_ID_UVD:
79 		*type = GFX_FW_TYPE_UVD;
80 		break;
81 	case AMDGPU_UCODE_ID_VCE:
82 		*type = GFX_FW_TYPE_VCE;
83 		break;
84 	case AMDGPU_UCODE_ID_UVD1:
85 		*type = GFX_FW_TYPE_UVD1;
86 		break;
87 	case AMDGPU_UCODE_ID_MAXIMUM:
88 	default:
89 		return -EINVAL;
90 	}
91 
92 	return 0;
93 }
94 
95 static int psp_v11_0_init_microcode(struct psp_context *psp)
96 {
97 	struct amdgpu_device *adev = psp->adev;
98 	const char *chip_name;
99 	char fw_name[30];
100 	int err = 0;
101 	const struct psp_firmware_header_v1_0 *hdr;
102 
103 	DRM_DEBUG("\n");
104 
105 	switch (adev->asic_type) {
106 	case CHIP_VEGA20:
107 		chip_name = "vega20";
108 		break;
109 	default:
110 		BUG();
111 	}
112 
113 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
114 	err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
115 	if (err)
116 		goto out;
117 
118 	err = amdgpu_ucode_validate(adev->psp.sos_fw);
119 	if (err)
120 		goto out;
121 
122 	hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
123 	adev->psp.sos_fw_version = le32_to_cpu(hdr->header.ucode_version);
124 	adev->psp.sos_feature_version = le32_to_cpu(hdr->ucode_feature_version);
125 	adev->psp.sos_bin_size = le32_to_cpu(hdr->sos_size_bytes);
126 	adev->psp.sys_bin_size = le32_to_cpu(hdr->header.ucode_size_bytes) -
127 					le32_to_cpu(hdr->sos_size_bytes);
128 	adev->psp.sys_start_addr = (uint8_t *)hdr +
129 				le32_to_cpu(hdr->header.ucode_array_offset_bytes);
130 	adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
131 				le32_to_cpu(hdr->sos_offset_bytes);
132 	return 0;
133 out:
134 	if (err) {
135 		dev_err(adev->dev,
136 			"psp v11.0: Failed to load firmware \"%s\"\n",
137 			fw_name);
138 		release_firmware(adev->psp.sos_fw);
139 		adev->psp.sos_fw = NULL;
140 	}
141 
142 	return err;
143 }
144 
145 static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
146 {
147 	int ret;
148 	uint32_t psp_gfxdrv_command_reg = 0;
149 	struct amdgpu_device *adev = psp->adev;
150 	uint32_t sol_reg;
151 
152 	/* Check sOS sign of life register to confirm sys driver and sOS
153 	 * are already been loaded.
154 	 */
155 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
156 	if (sol_reg)
157 		return 0;
158 
159 	/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
160 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
161 			   0x80000000, 0x80000000, false);
162 	if (ret)
163 		return ret;
164 
165 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
166 
167 	/* Copy PSP System Driver binary to memory */
168 	memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
169 
170 	/* Provide the sys driver to bootrom */
171 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
172 	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
173 	psp_gfxdrv_command_reg = 1 << 16;
174 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
175 	       psp_gfxdrv_command_reg);
176 
177 	/* there might be handshake issue with hardware which needs delay */
178 	mdelay(20);
179 
180 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
181 			   0x80000000, 0x80000000, false);
182 
183 	return ret;
184 }
185 
186 static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
187 {
188 	int ret;
189 	unsigned int psp_gfxdrv_command_reg = 0;
190 	struct amdgpu_device *adev = psp->adev;
191 	uint32_t sol_reg;
192 
193 	/* Check sOS sign of life register to confirm sys driver and sOS
194 	 * are already been loaded.
195 	 */
196 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
197 	if (sol_reg)
198 		return 0;
199 
200 	/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
201 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
202 			   0x80000000, 0x80000000, false);
203 	if (ret)
204 		return ret;
205 
206 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
207 
208 	/* Copy Secure OS binary to PSP memory */
209 	memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
210 
211 	/* Provide the PSP secure OS to bootrom */
212 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
213 	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
214 	psp_gfxdrv_command_reg = 2 << 16;
215 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
216 	       psp_gfxdrv_command_reg);
217 
218 	/* there might be handshake issue with hardware which needs delay */
219 	mdelay(20);
220 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
221 			   RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
222 			   0, true);
223 
224 	return ret;
225 }
226 
227 static int psp_v11_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
228 				 struct psp_gfx_cmd_resp *cmd)
229 {
230 	int ret;
231 	uint64_t fw_mem_mc_addr = ucode->mc_addr;
232 
233 	memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
234 
235 	cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
236 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr);
237 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr);
238 	cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size;
239 
240 	ret = psp_v11_0_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
241 	if (ret)
242 		DRM_ERROR("Unknown firmware type\n");
243 
244 	return ret;
245 }
246 
247 static int psp_v11_0_ring_init(struct psp_context *psp,
248 			      enum psp_ring_type ring_type)
249 {
250 	int ret = 0;
251 	struct psp_ring *ring;
252 	struct amdgpu_device *adev = psp->adev;
253 
254 	ring = &psp->km_ring;
255 
256 	ring->ring_type = ring_type;
257 
258 	/* allocate 4k Page of Local Frame Buffer memory for ring */
259 	ring->ring_size = 0x1000;
260 	ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
261 				      AMDGPU_GEM_DOMAIN_VRAM,
262 				      &adev->firmware.rbuf,
263 				      &ring->ring_mem_mc_addr,
264 				      (void **)&ring->ring_mem);
265 	if (ret) {
266 		ring->ring_size = 0;
267 		return ret;
268 	}
269 
270 	return 0;
271 }
272 
273 static int psp_v11_0_ring_create(struct psp_context *psp,
274 				enum psp_ring_type ring_type)
275 {
276 	int ret = 0;
277 	unsigned int psp_ring_reg = 0;
278 	struct psp_ring *ring = &psp->km_ring;
279 	struct amdgpu_device *adev = psp->adev;
280 
281 	/* Write low address of the ring to C2PMSG_69 */
282 	psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
283 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
284 	/* Write high address of the ring to C2PMSG_70 */
285 	psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
286 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
287 	/* Write size of ring to C2PMSG_71 */
288 	psp_ring_reg = ring->ring_size;
289 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
290 	/* Write the ring initialization command to C2PMSG_64 */
291 	psp_ring_reg = ring_type;
292 	psp_ring_reg = psp_ring_reg << 16;
293 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
294 
295 	/* there might be handshake issue with hardware which needs delay */
296 	mdelay(20);
297 
298 	/* Wait for response flag (bit 31) in C2PMSG_64 */
299 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
300 			   0x80000000, 0x8000FFFF, false);
301 
302 	return ret;
303 }
304 
305 static int psp_v11_0_ring_stop(struct psp_context *psp,
306 			      enum psp_ring_type ring_type)
307 {
308 	int ret = 0;
309 	struct amdgpu_device *adev = psp->adev;
310 
311 	/* Write the ring destroy command to C2PMSG_64 */
312 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_DESTROY_RINGS);
313 
314 	/* there might be handshake issue with hardware which needs delay */
315 	mdelay(20);
316 
317 	/* Wait for response flag (bit 31) in C2PMSG_64 */
318 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
319 			   0x80000000, 0x80000000, false);
320 
321 	return ret;
322 }
323 
324 static int psp_v11_0_ring_destroy(struct psp_context *psp,
325 				 enum psp_ring_type ring_type)
326 {
327 	int ret = 0;
328 	struct psp_ring *ring = &psp->km_ring;
329 	struct amdgpu_device *adev = psp->adev;
330 
331 	ret = psp_v11_0_ring_stop(psp, ring_type);
332 	if (ret)
333 		DRM_ERROR("Fail to stop psp ring\n");
334 
335 	amdgpu_bo_free_kernel(&adev->firmware.rbuf,
336 			      &ring->ring_mem_mc_addr,
337 			      (void **)&ring->ring_mem);
338 
339 	return ret;
340 }
341 
342 static int psp_v11_0_cmd_submit(struct psp_context *psp,
343 			       struct amdgpu_firmware_info *ucode,
344 			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
345 			       int index)
346 {
347 	unsigned int psp_write_ptr_reg = 0;
348 	struct psp_gfx_rb_frame *write_frame = psp->km_ring.ring_mem;
349 	struct psp_ring *ring = &psp->km_ring;
350 	struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
351 	struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
352 		ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
353 	struct amdgpu_device *adev = psp->adev;
354 	uint32_t ring_size_dw = ring->ring_size / 4;
355 	uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
356 
357 	/* KM (GPCOM) prepare write pointer */
358 	psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
359 
360 	/* Update KM RB frame pointer to new frame */
361 	/* write_frame ptr increments by size of rb_frame in bytes */
362 	/* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
363 	if ((psp_write_ptr_reg % ring_size_dw) == 0)
364 		write_frame = ring_buffer_start;
365 	else
366 		write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
367 	/* Check invalid write_frame ptr address */
368 	if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
369 		DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
370 			  ring_buffer_start, ring_buffer_end, write_frame);
371 		DRM_ERROR("write_frame is pointing to address out of bounds\n");
372 		return -EINVAL;
373 	}
374 
375 	/* Initialize KM RB frame */
376 	memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
377 
378 	/* Update KM RB frame */
379 	write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
380 	write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
381 	write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
382 	write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
383 	write_frame->fence_value = index;
384 
385 	/* Update the write Pointer in DWORDs */
386 	psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
387 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
388 
389 	return 0;
390 }
391 
392 static int
393 psp_v11_0_sram_map(struct amdgpu_device *adev,
394 		  unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
395 		  unsigned int *sram_data_reg_offset,
396 		  enum AMDGPU_UCODE_ID ucode_id)
397 {
398 	int ret = 0;
399 
400 	switch (ucode_id) {
401 /* TODO: needs to confirm */
402 #if 0
403 	case AMDGPU_UCODE_ID_SMC:
404 		*sram_offset = 0;
405 		*sram_addr_reg_offset = 0;
406 		*sram_data_reg_offset = 0;
407 		break;
408 #endif
409 
410 	case AMDGPU_UCODE_ID_CP_CE:
411 		*sram_offset = 0x0;
412 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
413 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
414 		break;
415 
416 	case AMDGPU_UCODE_ID_CP_PFP:
417 		*sram_offset = 0x0;
418 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
419 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
420 		break;
421 
422 	case AMDGPU_UCODE_ID_CP_ME:
423 		*sram_offset = 0x0;
424 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
425 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
426 		break;
427 
428 	case AMDGPU_UCODE_ID_CP_MEC1:
429 		*sram_offset = 0x10000;
430 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
431 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
432 		break;
433 
434 	case AMDGPU_UCODE_ID_CP_MEC2:
435 		*sram_offset = 0x10000;
436 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
437 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
438 		break;
439 
440 	case AMDGPU_UCODE_ID_RLC_G:
441 		*sram_offset = 0x2000;
442 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
443 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
444 		break;
445 
446 	case AMDGPU_UCODE_ID_SDMA0:
447 		*sram_offset = 0x0;
448 		*sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
449 		*sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
450 		break;
451 
452 /* TODO: needs to confirm */
453 #if 0
454 	case AMDGPU_UCODE_ID_SDMA1:
455 		*sram_offset = ;
456 		*sram_addr_reg_offset = ;
457 		break;
458 
459 	case AMDGPU_UCODE_ID_UVD:
460 		*sram_offset = ;
461 		*sram_addr_reg_offset = ;
462 		break;
463 
464 	case AMDGPU_UCODE_ID_VCE:
465 		*sram_offset = ;
466 		*sram_addr_reg_offset = ;
467 		break;
468 #endif
469 
470 	case AMDGPU_UCODE_ID_MAXIMUM:
471 	default:
472 		ret = -EINVAL;
473 		break;
474 	}
475 
476 	return ret;
477 }
478 
479 static bool psp_v11_0_compare_sram_data(struct psp_context *psp,
480 				       struct amdgpu_firmware_info *ucode,
481 				       enum AMDGPU_UCODE_ID ucode_type)
482 {
483 	int err = 0;
484 	unsigned int fw_sram_reg_val = 0;
485 	unsigned int fw_sram_addr_reg_offset = 0;
486 	unsigned int fw_sram_data_reg_offset = 0;
487 	unsigned int ucode_size;
488 	uint32_t *ucode_mem = NULL;
489 	struct amdgpu_device *adev = psp->adev;
490 
491 	err = psp_v11_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
492 				&fw_sram_data_reg_offset, ucode_type);
493 	if (err)
494 		return false;
495 
496 	WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
497 
498 	ucode_size = ucode->ucode_size;
499 	ucode_mem = (uint32_t *)ucode->kaddr;
500 	while (ucode_size) {
501 		fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
502 
503 		if (*ucode_mem != fw_sram_reg_val)
504 			return false;
505 
506 		ucode_mem++;
507 		/* 4 bytes */
508 		ucode_size -= 4;
509 	}
510 
511 	return true;
512 }
513 
514 static int psp_v11_0_mode1_reset(struct psp_context *psp)
515 {
516 	int ret;
517 	uint32_t offset;
518 	struct amdgpu_device *adev = psp->adev;
519 
520 	offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
521 
522 	ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
523 
524 	if (ret) {
525 		DRM_INFO("psp is not working correctly before mode1 reset!\n");
526 		return -EINVAL;
527 	}
528 
529 	/*send the mode 1 reset command*/
530 	WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
531 
532 	mdelay(1000);
533 
534 	offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
535 
536 	ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
537 
538 	if (ret) {
539 		DRM_INFO("psp mode 1 reset failed!\n");
540 		return -EINVAL;
541 	}
542 
543 	DRM_INFO("psp mode1 reset succeed \n");
544 
545 	return 0;
546 }
547 
548 /* TODO: Fill in follow functions once PSP firmware interface for XGMI is ready.
549  * For now, return success and hack the hive_id so high level code can
550  * start testing
551  */
552 static int psp_v11_0_xgmi_get_topology_info(struct psp_context *psp,
553 	int number_devices, struct psp_xgmi_topology_info *topology)
554 {
555 	return 0;
556 }
557 
558 static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp,
559 	int number_devices, struct psp_xgmi_topology_info *topology)
560 {
561 	return 0;
562 }
563 
564 static u64 psp_v11_0_xgmi_get_hive_id(struct psp_context *psp)
565 {
566 	u64 hive_id = 0;
567 
568 	/* Remove me when we can get correct hive_id through PSP */
569 	if (psp->adev->gmc.xgmi.num_physical_nodes)
570 		hive_id = 0x123456789abcdef;
571 
572 	return hive_id;
573 }
574 
575 static const struct psp_funcs psp_v11_0_funcs = {
576 	.init_microcode = psp_v11_0_init_microcode,
577 	.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
578 	.bootloader_load_sos = psp_v11_0_bootloader_load_sos,
579 	.prep_cmd_buf = psp_v11_0_prep_cmd_buf,
580 	.ring_init = psp_v11_0_ring_init,
581 	.ring_create = psp_v11_0_ring_create,
582 	.ring_stop = psp_v11_0_ring_stop,
583 	.ring_destroy = psp_v11_0_ring_destroy,
584 	.cmd_submit = psp_v11_0_cmd_submit,
585 	.compare_sram_data = psp_v11_0_compare_sram_data,
586 	.mode1_reset = psp_v11_0_mode1_reset,
587 	.xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info,
588 	.xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info,
589 	.xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id,
590 };
591 
592 void psp_v11_0_set_psp_funcs(struct psp_context *psp)
593 {
594 	psp->funcs = &psp_v11_0_funcs;
595 }
596