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 <linux/module.h>
25 
26 #include "amdgpu.h"
27 #include "amdgpu_psp.h"
28 #include "amdgpu_ucode.h"
29 #include "soc15_common.h"
30 #include "psp_v11_0.h"
31 
32 #include "mp/mp_11_0_offset.h"
33 #include "mp/mp_11_0_sh_mask.h"
34 #include "gc/gc_9_0_offset.h"
35 #include "sdma0/sdma0_4_0_offset.h"
36 #include "nbio/nbio_7_4_offset.h"
37 
38 #include "oss/osssys_4_0_offset.h"
39 #include "oss/osssys_4_0_sh_mask.h"
40 
41 MODULE_FIRMWARE("amdgpu/vega20_sos.bin");
42 MODULE_FIRMWARE("amdgpu/vega20_asd.bin");
43 MODULE_FIRMWARE("amdgpu/vega20_ta.bin");
44 MODULE_FIRMWARE("amdgpu/navi10_sos.bin");
45 MODULE_FIRMWARE("amdgpu/navi10_asd.bin");
46 
47 /* address block */
48 #define smnMP1_FIRMWARE_FLAGS		0x3010024
49 /* navi10 reg offset define */
50 #define mmRLC_GPM_UCODE_ADDR_NV10	0x5b61
51 #define mmRLC_GPM_UCODE_DATA_NV10	0x5b62
52 #define mmSDMA0_UCODE_ADDR_NV10		0x5880
53 #define mmSDMA0_UCODE_DATA_NV10		0x5881
54 
55 static int psp_v11_0_init_microcode(struct psp_context *psp)
56 {
57 	struct amdgpu_device *adev = psp->adev;
58 	const char *chip_name;
59 	char fw_name[30];
60 	int err = 0;
61 	const struct psp_firmware_header_v1_0 *sos_hdr;
62 	const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;
63 	const struct psp_firmware_header_v1_0 *asd_hdr;
64 	const struct ta_firmware_header_v1_0 *ta_hdr;
65 
66 	DRM_DEBUG("\n");
67 
68 	switch (adev->asic_type) {
69 	case CHIP_VEGA20:
70 		chip_name = "vega20";
71 		break;
72 	case CHIP_NAVI10:
73 		chip_name = "navi10";
74 		break;
75 	default:
76 		BUG();
77 	}
78 
79 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
80 	err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
81 	if (err)
82 		goto out;
83 
84 	err = amdgpu_ucode_validate(adev->psp.sos_fw);
85 	if (err)
86 		goto out;
87 
88 	sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
89 	amdgpu_ucode_print_psp_hdr(&sos_hdr->header);
90 
91 	switch (sos_hdr->header.header_version_major) {
92 	case 1:
93 		adev->psp.sos_fw_version = le32_to_cpu(sos_hdr->header.ucode_version);
94 		adev->psp.sos_feature_version = le32_to_cpu(sos_hdr->ucode_feature_version);
95 		adev->psp.sos_bin_size = le32_to_cpu(sos_hdr->sos_size_bytes);
96 		adev->psp.sys_bin_size = le32_to_cpu(sos_hdr->sos_offset_bytes);
97 		adev->psp.sys_start_addr = (uint8_t *)sos_hdr +
98 				le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
99 		adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
100 				le32_to_cpu(sos_hdr->sos_offset_bytes);
101 		if (sos_hdr->header.header_version_minor == 1) {
102 			sos_hdr_v1_1 = (const struct psp_firmware_header_v1_1 *)adev->psp.sos_fw->data;
103 			adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_1->toc_size_bytes);
104 			adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +
105 					le32_to_cpu(sos_hdr_v1_1->toc_offset_bytes);
106 		}
107 		break;
108 	default:
109 		dev_err(adev->dev,
110 			"Unsupported psp sos firmware\n");
111 		err = -EINVAL;
112 		goto out;
113 	}
114 
115 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
116 	err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
117 	if (err)
118 		goto out1;
119 
120 	err = amdgpu_ucode_validate(adev->psp.asd_fw);
121 	if (err)
122 		goto out1;
123 
124 	asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
125 	adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
126 	adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
127 	adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
128 	adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
129 				le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
130 
131 	switch (adev->asic_type) {
132 	case CHIP_VEGA20:
133 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
134 		err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
135 		if (err) {
136 			release_firmware(adev->psp.ta_fw);
137 			adev->psp.ta_fw = NULL;
138 			dev_info(adev->dev,
139 				 "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
140 		} else {
141 			err = amdgpu_ucode_validate(adev->psp.ta_fw);
142 			if (err)
143 				goto out2;
144 
145 			ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data;
146 			adev->psp.ta_xgmi_ucode_version = le32_to_cpu(ta_hdr->ta_xgmi_ucode_version);
147 			adev->psp.ta_xgmi_ucode_size = le32_to_cpu(ta_hdr->ta_xgmi_size_bytes);
148 			adev->psp.ta_xgmi_start_addr = (uint8_t *)ta_hdr +
149 				le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
150 			adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
151 			adev->psp.ta_ras_ucode_version = le32_to_cpu(ta_hdr->ta_ras_ucode_version);
152 			adev->psp.ta_ras_ucode_size = le32_to_cpu(ta_hdr->ta_ras_size_bytes);
153 			adev->psp.ta_ras_start_addr = (uint8_t *)adev->psp.ta_xgmi_start_addr +
154 				le32_to_cpu(ta_hdr->ta_ras_offset_bytes);
155 		}
156 		break;
157 	case CHIP_NAVI10:
158 		break;
159 	default:
160 		BUG();
161 	}
162 
163 	return 0;
164 
165 out2:
166 	release_firmware(adev->psp.ta_fw);
167 	adev->psp.ta_fw = NULL;
168 out1:
169 	release_firmware(adev->psp.asd_fw);
170 	adev->psp.asd_fw = NULL;
171 out:
172 	dev_err(adev->dev,
173 		"psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
174 	release_firmware(adev->psp.sos_fw);
175 	adev->psp.sos_fw = NULL;
176 
177 	return err;
178 }
179 
180 static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
181 {
182 	int ret;
183 	uint32_t psp_gfxdrv_command_reg = 0;
184 	struct amdgpu_device *adev = psp->adev;
185 	uint32_t sol_reg;
186 
187 	/* Check sOS sign of life register to confirm sys driver and sOS
188 	 * are already been loaded.
189 	 */
190 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
191 	if (sol_reg) {
192 		psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
193 		printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
194 		return 0;
195 	}
196 
197 	/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
198 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
199 			   0x80000000, 0x80000000, false);
200 	if (ret)
201 		return ret;
202 
203 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
204 
205 	/* Copy PSP System Driver binary to memory */
206 	memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
207 
208 	/* Provide the sys driver to bootloader */
209 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
210 	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
211 	psp_gfxdrv_command_reg = 1 << 16;
212 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
213 	       psp_gfxdrv_command_reg);
214 
215 	/* there might be handshake issue with hardware which needs delay */
216 	mdelay(20);
217 
218 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
219 			   0x80000000, 0x80000000, false);
220 
221 	return ret;
222 }
223 
224 static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
225 {
226 	int ret;
227 	unsigned int psp_gfxdrv_command_reg = 0;
228 	struct amdgpu_device *adev = psp->adev;
229 	uint32_t sol_reg;
230 
231 	/* Check sOS sign of life register to confirm sys driver and sOS
232 	 * are already been loaded.
233 	 */
234 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
235 	if (sol_reg)
236 		return 0;
237 
238 	/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
239 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
240 			   0x80000000, 0x80000000, false);
241 	if (ret)
242 		return ret;
243 
244 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
245 
246 	/* Copy Secure OS binary to PSP memory */
247 	memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
248 
249 	/* Provide the PSP secure OS to bootloader */
250 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
251 	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
252 	psp_gfxdrv_command_reg = 2 << 16;
253 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
254 	       psp_gfxdrv_command_reg);
255 
256 	/* there might be handshake issue with hardware which needs delay */
257 	mdelay(20);
258 	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
259 			   RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
260 			   0, true);
261 
262 	return ret;
263 }
264 
265 static void psp_v11_0_reroute_ih(struct psp_context *psp)
266 {
267 	struct amdgpu_device *adev = psp->adev;
268 	uint32_t tmp;
269 
270 	/* Change IH ring for VMC */
271 	tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
272 	tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
273 	tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
274 
275 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
276 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
277 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
278 
279 	mdelay(20);
280 	psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
281 		     0x80000000, 0x8000FFFF, false);
282 
283 	/* Change IH ring for UMC */
284 	tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
285 	tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
286 
287 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
288 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
289 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
290 
291 	mdelay(20);
292 	psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
293 		     0x80000000, 0x8000FFFF, false);
294 }
295 
296 static int psp_v11_0_ring_init(struct psp_context *psp,
297 			      enum psp_ring_type ring_type)
298 {
299 	int ret = 0;
300 	struct psp_ring *ring;
301 	struct amdgpu_device *adev = psp->adev;
302 
303 	psp_v11_0_reroute_ih(psp);
304 
305 	ring = &psp->km_ring;
306 
307 	ring->ring_type = ring_type;
308 
309 	/* allocate 4k Page of Local Frame Buffer memory for ring */
310 	ring->ring_size = 0x1000;
311 	ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
312 				      AMDGPU_GEM_DOMAIN_VRAM,
313 				      &adev->firmware.rbuf,
314 				      &ring->ring_mem_mc_addr,
315 				      (void **)&ring->ring_mem);
316 	if (ret) {
317 		ring->ring_size = 0;
318 		return ret;
319 	}
320 
321 	return 0;
322 }
323 
324 static bool psp_v11_0_support_vmr_ring(struct psp_context *psp)
325 {
326 	if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
327 		return true;
328 	return false;
329 }
330 
331 static int psp_v11_0_ring_create(struct psp_context *psp,
332 				enum psp_ring_type ring_type)
333 {
334 	int ret = 0;
335 	unsigned int psp_ring_reg = 0;
336 	struct psp_ring *ring = &psp->km_ring;
337 	struct amdgpu_device *adev = psp->adev;
338 
339 	if (psp_v11_0_support_vmr_ring(psp)) {
340 		/* Write low address of the ring to C2PMSG_102 */
341 		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
342 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
343 		/* Write high address of the ring to C2PMSG_103 */
344 		psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
345 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
346 
347 		/* Write the ring initialization command to C2PMSG_101 */
348 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
349 					     GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
350 
351 		/* there might be handshake issue with hardware which needs delay */
352 		mdelay(20);
353 
354 		/* Wait for response flag (bit 31) in C2PMSG_101 */
355 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
356 				   0x80000000, 0x8000FFFF, false);
357 
358 	} else {
359 		/* Write low address of the ring to C2PMSG_69 */
360 		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
361 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
362 		/* Write high address of the ring to C2PMSG_70 */
363 		psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
364 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
365 		/* Write size of ring to C2PMSG_71 */
366 		psp_ring_reg = ring->ring_size;
367 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
368 		/* Write the ring initialization command to C2PMSG_64 */
369 		psp_ring_reg = ring_type;
370 		psp_ring_reg = psp_ring_reg << 16;
371 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
372 
373 		/* there might be handshake issue with hardware which needs delay */
374 		mdelay(20);
375 
376 		/* Wait for response flag (bit 31) in C2PMSG_64 */
377 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
378 				   0x80000000, 0x8000FFFF, false);
379 	}
380 
381 	return ret;
382 }
383 
384 static int psp_v11_0_ring_stop(struct psp_context *psp,
385 			      enum psp_ring_type ring_type)
386 {
387 	int ret = 0;
388 	struct amdgpu_device *adev = psp->adev;
389 
390 	/* Write the ring destroy command*/
391 	if (psp_v11_0_support_vmr_ring(psp))
392 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
393 				     GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
394 	else
395 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
396 				     GFX_CTRL_CMD_ID_DESTROY_RINGS);
397 
398 	/* there might be handshake issue with hardware which needs delay */
399 	mdelay(20);
400 
401 	/* Wait for response flag (bit 31) */
402 	if (psp_v11_0_support_vmr_ring(psp))
403 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
404 				   0x80000000, 0x80000000, false);
405 	else
406 		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
407 				   0x80000000, 0x80000000, false);
408 
409 	return ret;
410 }
411 
412 static int psp_v11_0_ring_destroy(struct psp_context *psp,
413 				 enum psp_ring_type ring_type)
414 {
415 	int ret = 0;
416 	struct psp_ring *ring = &psp->km_ring;
417 	struct amdgpu_device *adev = psp->adev;
418 
419 	ret = psp_v11_0_ring_stop(psp, ring_type);
420 	if (ret)
421 		DRM_ERROR("Fail to stop psp ring\n");
422 
423 	amdgpu_bo_free_kernel(&adev->firmware.rbuf,
424 			      &ring->ring_mem_mc_addr,
425 			      (void **)&ring->ring_mem);
426 
427 	return ret;
428 }
429 
430 static int psp_v11_0_cmd_submit(struct psp_context *psp,
431 			       struct amdgpu_firmware_info *ucode,
432 			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
433 			       int index)
434 {
435 	unsigned int psp_write_ptr_reg = 0;
436 	struct psp_gfx_rb_frame *write_frame = psp->km_ring.ring_mem;
437 	struct psp_ring *ring = &psp->km_ring;
438 	struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
439 	struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
440 		ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
441 	struct amdgpu_device *adev = psp->adev;
442 	uint32_t ring_size_dw = ring->ring_size / 4;
443 	uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
444 
445 	/* KM (GPCOM) prepare write pointer */
446 	if (psp_v11_0_support_vmr_ring(psp))
447 		psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
448 	else
449 		psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
450 
451 	/* Update KM RB frame pointer to new frame */
452 	/* write_frame ptr increments by size of rb_frame in bytes */
453 	/* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
454 	if ((psp_write_ptr_reg % ring_size_dw) == 0)
455 		write_frame = ring_buffer_start;
456 	else
457 		write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
458 	/* Check invalid write_frame ptr address */
459 	if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
460 		DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
461 			  ring_buffer_start, ring_buffer_end, write_frame);
462 		DRM_ERROR("write_frame is pointing to address out of bounds\n");
463 		return -EINVAL;
464 	}
465 
466 	/* Initialize KM RB frame */
467 	memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
468 
469 	/* Update KM RB frame */
470 	write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
471 	write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
472 	write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
473 	write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
474 	write_frame->fence_value = index;
475 
476 	/* Update the write Pointer in DWORDs */
477 	psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
478 	if (psp_v11_0_support_vmr_ring(psp)) {
479 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_write_ptr_reg);
480 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
481 	} else
482 		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
483 
484 	return 0;
485 }
486 
487 static int
488 psp_v11_0_sram_map(struct amdgpu_device *adev,
489 		  unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
490 		  unsigned int *sram_data_reg_offset,
491 		  enum AMDGPU_UCODE_ID ucode_id)
492 {
493 	int ret = 0;
494 
495 	switch (ucode_id) {
496 /* TODO: needs to confirm */
497 #if 0
498 	case AMDGPU_UCODE_ID_SMC:
499 		*sram_offset = 0;
500 		*sram_addr_reg_offset = 0;
501 		*sram_data_reg_offset = 0;
502 		break;
503 #endif
504 
505 	case AMDGPU_UCODE_ID_CP_CE:
506 		*sram_offset = 0x0;
507 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
508 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
509 		break;
510 
511 	case AMDGPU_UCODE_ID_CP_PFP:
512 		*sram_offset = 0x0;
513 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
514 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
515 		break;
516 
517 	case AMDGPU_UCODE_ID_CP_ME:
518 		*sram_offset = 0x0;
519 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
520 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
521 		break;
522 
523 	case AMDGPU_UCODE_ID_CP_MEC1:
524 		*sram_offset = 0x10000;
525 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
526 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
527 		break;
528 
529 	case AMDGPU_UCODE_ID_CP_MEC2:
530 		*sram_offset = 0x10000;
531 		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
532 		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
533 		break;
534 
535 	case AMDGPU_UCODE_ID_RLC_G:
536 		*sram_offset = 0x2000;
537 		if (adev->asic_type < CHIP_NAVI10) {
538 			*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
539 			*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
540 		} else {
541 			*sram_addr_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmRLC_GPM_UCODE_ADDR_NV10;
542 			*sram_data_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmRLC_GPM_UCODE_DATA_NV10;
543 		}
544 		break;
545 
546 	case AMDGPU_UCODE_ID_SDMA0:
547 		*sram_offset = 0x0;
548 		if (adev->asic_type < CHIP_NAVI10) {
549 			*sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
550 			*sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
551 		} else {
552 			*sram_addr_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmSDMA0_UCODE_ADDR_NV10;
553 			*sram_data_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmSDMA0_UCODE_DATA_NV10;
554 		}
555 		break;
556 
557 /* TODO: needs to confirm */
558 #if 0
559 	case AMDGPU_UCODE_ID_SDMA1:
560 		*sram_offset = ;
561 		*sram_addr_reg_offset = ;
562 		break;
563 
564 	case AMDGPU_UCODE_ID_UVD:
565 		*sram_offset = ;
566 		*sram_addr_reg_offset = ;
567 		break;
568 
569 	case AMDGPU_UCODE_ID_VCE:
570 		*sram_offset = ;
571 		*sram_addr_reg_offset = ;
572 		break;
573 #endif
574 
575 	case AMDGPU_UCODE_ID_MAXIMUM:
576 	default:
577 		ret = -EINVAL;
578 		break;
579 	}
580 
581 	return ret;
582 }
583 
584 static bool psp_v11_0_compare_sram_data(struct psp_context *psp,
585 				       struct amdgpu_firmware_info *ucode,
586 				       enum AMDGPU_UCODE_ID ucode_type)
587 {
588 	int err = 0;
589 	unsigned int fw_sram_reg_val = 0;
590 	unsigned int fw_sram_addr_reg_offset = 0;
591 	unsigned int fw_sram_data_reg_offset = 0;
592 	unsigned int ucode_size;
593 	uint32_t *ucode_mem = NULL;
594 	struct amdgpu_device *adev = psp->adev;
595 
596 	err = psp_v11_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
597 				&fw_sram_data_reg_offset, ucode_type);
598 	if (err)
599 		return false;
600 
601 	WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
602 
603 	ucode_size = ucode->ucode_size;
604 	ucode_mem = (uint32_t *)ucode->kaddr;
605 	while (ucode_size) {
606 		fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
607 
608 		if (*ucode_mem != fw_sram_reg_val)
609 			return false;
610 
611 		ucode_mem++;
612 		/* 4 bytes */
613 		ucode_size -= 4;
614 	}
615 
616 	return true;
617 }
618 
619 static int psp_v11_0_mode1_reset(struct psp_context *psp)
620 {
621 	int ret;
622 	uint32_t offset;
623 	struct amdgpu_device *adev = psp->adev;
624 
625 	offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
626 
627 	ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
628 
629 	if (ret) {
630 		DRM_INFO("psp is not working correctly before mode1 reset!\n");
631 		return -EINVAL;
632 	}
633 
634 	/*send the mode 1 reset command*/
635 	WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
636 
637 	msleep(500);
638 
639 	offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
640 
641 	ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
642 
643 	if (ret) {
644 		DRM_INFO("psp mode 1 reset failed!\n");
645 		return -EINVAL;
646 	}
647 
648 	DRM_INFO("psp mode1 reset succeed \n");
649 
650 	return 0;
651 }
652 
653 /* TODO: Fill in follow functions once PSP firmware interface for XGMI is ready.
654  * For now, return success and hack the hive_id so high level code can
655  * start testing
656  */
657 static int psp_v11_0_xgmi_get_topology_info(struct psp_context *psp,
658 	int number_devices, struct psp_xgmi_topology_info *topology)
659 {
660 	struct ta_xgmi_shared_memory *xgmi_cmd;
661 	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
662 	struct ta_xgmi_cmd_get_topology_info_output *topology_info_output;
663 	int i;
664 	int ret;
665 
666 	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
667 		return -EINVAL;
668 
669 	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
670 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
671 
672 	/* Fill in the shared memory with topology information as input */
673 	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
674 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO;
675 	topology_info_input->num_nodes = number_devices;
676 
677 	for (i = 0; i < topology_info_input->num_nodes; i++) {
678 		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
679 		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
680 		topology_info_input->nodes[i].is_sharing_enabled = topology->nodes[i].is_sharing_enabled;
681 		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
682 	}
683 
684 	/* Invoke xgmi ta to get the topology information */
685 	ret = psp_xgmi_invoke(psp, TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO);
686 	if (ret)
687 		return ret;
688 
689 	/* Read the output topology information from the shared memory */
690 	topology_info_output = &xgmi_cmd->xgmi_out_message.get_topology_info;
691 	topology->num_nodes = xgmi_cmd->xgmi_out_message.get_topology_info.num_nodes;
692 	for (i = 0; i < topology->num_nodes; i++) {
693 		topology->nodes[i].node_id = topology_info_output->nodes[i].node_id;
694 		topology->nodes[i].num_hops = topology_info_output->nodes[i].num_hops;
695 		topology->nodes[i].is_sharing_enabled = topology_info_output->nodes[i].is_sharing_enabled;
696 		topology->nodes[i].sdma_engine = topology_info_output->nodes[i].sdma_engine;
697 	}
698 
699 	return 0;
700 }
701 
702 static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp,
703 	int number_devices, struct psp_xgmi_topology_info *topology)
704 {
705 	struct ta_xgmi_shared_memory *xgmi_cmd;
706 	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
707 	int i;
708 
709 	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
710 		return -EINVAL;
711 
712 	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
713 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
714 
715 	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
716 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__SET_TOPOLOGY_INFO;
717 	topology_info_input->num_nodes = number_devices;
718 
719 	for (i = 0; i < topology_info_input->num_nodes; i++) {
720 		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
721 		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
722 		topology_info_input->nodes[i].is_sharing_enabled = 1;
723 		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
724 	}
725 
726 	/* Invoke xgmi ta to set topology information */
727 	return psp_xgmi_invoke(psp, TA_COMMAND_XGMI__SET_TOPOLOGY_INFO);
728 }
729 
730 static int psp_v11_0_xgmi_get_hive_id(struct psp_context *psp, uint64_t *hive_id)
731 {
732 	struct ta_xgmi_shared_memory *xgmi_cmd;
733 	int ret;
734 
735 	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
736 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
737 
738 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_HIVE_ID;
739 
740 	/* Invoke xgmi ta to get hive id */
741 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
742 	if (ret)
743 		return ret;
744 
745 	*hive_id = xgmi_cmd->xgmi_out_message.get_hive_id.hive_id;
746 
747 	return 0;
748 }
749 
750 static int psp_v11_0_xgmi_get_node_id(struct psp_context *psp, uint64_t *node_id)
751 {
752 	struct ta_xgmi_shared_memory *xgmi_cmd;
753 	int ret;
754 
755 	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
756 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
757 
758 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_NODE_ID;
759 
760 	/* Invoke xgmi ta to get the node id */
761 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
762 	if (ret)
763 		return ret;
764 
765 	*node_id = xgmi_cmd->xgmi_out_message.get_node_id.node_id;
766 
767 	return 0;
768 }
769 
770 static int psp_v11_0_ras_trigger_error(struct psp_context *psp,
771 		struct ta_ras_trigger_error_input *info)
772 {
773 	struct ta_ras_shared_memory *ras_cmd;
774 	int ret;
775 
776 	if (!psp->ras.ras_initialized)
777 		return -EINVAL;
778 
779 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
780 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
781 
782 	ras_cmd->cmd_id = TA_RAS_COMMAND__TRIGGER_ERROR;
783 	ras_cmd->ras_in_message.trigger_error = *info;
784 
785 	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
786 	if (ret)
787 		return -EINVAL;
788 
789 	return ras_cmd->ras_status;
790 }
791 
792 static int psp_v11_0_ras_cure_posion(struct psp_context *psp, uint64_t *mode_ptr)
793 {
794 #if 0
795 	// not support yet.
796 	struct ta_ras_shared_memory *ras_cmd;
797 	int ret;
798 
799 	if (!psp->ras.ras_initialized)
800 		return -EINVAL;
801 
802 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
803 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
804 
805 	ras_cmd->cmd_id = TA_RAS_COMMAND__CURE_POISON;
806 	ras_cmd->ras_in_message.cure_poison.mode_ptr = mode_ptr;
807 
808 	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
809 	if (ret)
810 		return -EINVAL;
811 
812 	return ras_cmd->ras_status;
813 #else
814 	return -EINVAL;
815 #endif
816 }
817 
818 static int psp_v11_0_rlc_autoload_start(struct psp_context *psp)
819 {
820 	return psp_rlc_autoload_start(psp);
821 }
822 
823 static const struct psp_funcs psp_v11_0_funcs = {
824 	.init_microcode = psp_v11_0_init_microcode,
825 	.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
826 	.bootloader_load_sos = psp_v11_0_bootloader_load_sos,
827 	.ring_init = psp_v11_0_ring_init,
828 	.ring_create = psp_v11_0_ring_create,
829 	.ring_stop = psp_v11_0_ring_stop,
830 	.ring_destroy = psp_v11_0_ring_destroy,
831 	.cmd_submit = psp_v11_0_cmd_submit,
832 	.compare_sram_data = psp_v11_0_compare_sram_data,
833 	.mode1_reset = psp_v11_0_mode1_reset,
834 	.xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info,
835 	.xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info,
836 	.xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id,
837 	.xgmi_get_node_id = psp_v11_0_xgmi_get_node_id,
838 	.support_vmr_ring = psp_v11_0_support_vmr_ring,
839 	.ras_trigger_error = psp_v11_0_ras_trigger_error,
840 	.ras_cure_posion = psp_v11_0_ras_cure_posion,
841 	.rlc_autoload_start = psp_v11_0_rlc_autoload_start,
842 };
843 
844 void psp_v11_0_set_psp_funcs(struct psp_context *psp)
845 {
846 	psp->funcs = &psp_v11_0_funcs;
847 }
848