1 /*
2 * Copyright 2019 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 #include "amdgpu.h"
26 #include "amdgpu_psp.h"
27 #include "amdgpu_ucode.h"
28 #include "soc15_common.h"
29 #include "psp_v12_0.h"
30
31 #include "mp/mp_12_0_0_offset.h"
32 #include "mp/mp_12_0_0_sh_mask.h"
33 #include "gc/gc_9_0_offset.h"
34 #include "sdma0/sdma0_4_0_offset.h"
35 #include "nbio/nbio_7_4_offset.h"
36
37 #include "oss/osssys_4_0_offset.h"
38 #include "oss/osssys_4_0_sh_mask.h"
39
40 MODULE_FIRMWARE("amdgpu/renoir_asd.bin");
41 MODULE_FIRMWARE("amdgpu/renoir_ta.bin");
42 MODULE_FIRMWARE("amdgpu/green_sardine_asd.bin");
43 MODULE_FIRMWARE("amdgpu/green_sardine_ta.bin");
44
45 /* address block */
46 #define smnMP1_FIRMWARE_FLAGS 0x3010024
47
psp_v12_0_init_microcode(struct psp_context * psp)48 static int psp_v12_0_init_microcode(struct psp_context *psp)
49 {
50 struct amdgpu_device *adev = psp->adev;
51 const char *chip_name;
52 char fw_name[30];
53 int err = 0;
54 const struct ta_firmware_header_v1_0 *ta_hdr;
55 DRM_DEBUG("\n");
56
57 switch (adev->asic_type) {
58 case CHIP_RENOIR:
59 if (adev->apu_flags & AMD_APU_IS_RENOIR)
60 chip_name = "renoir";
61 else
62 chip_name = "green_sardine";
63 break;
64 default:
65 BUG();
66 }
67
68 err = psp_init_asd_microcode(psp, chip_name);
69 if (err)
70 return err;
71
72 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
73 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
74 if (err) {
75 release_firmware(adev->psp.ta_fw);
76 adev->psp.ta_fw = NULL;
77 dev_info(adev->dev,
78 "psp v12.0: Failed to load firmware \"%s\"\n",
79 fw_name);
80 } else {
81 err = amdgpu_ucode_validate(adev->psp.ta_fw);
82 if (err)
83 goto out;
84
85 ta_hdr = (const struct ta_firmware_header_v1_0 *)
86 adev->psp.ta_fw->data;
87 adev->psp.hdcp_context.context.bin_desc.fw_version =
88 le32_to_cpu(ta_hdr->hdcp.fw_version);
89 adev->psp.hdcp_context.context.bin_desc.size_bytes =
90 le32_to_cpu(ta_hdr->hdcp.size_bytes);
91 adev->psp.hdcp_context.context.bin_desc.start_addr =
92 (uint8_t *)ta_hdr +
93 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
94
95 adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
96
97 adev->psp.dtm_context.context.bin_desc.fw_version =
98 le32_to_cpu(ta_hdr->dtm.fw_version);
99 adev->psp.dtm_context.context.bin_desc.size_bytes =
100 le32_to_cpu(ta_hdr->dtm.size_bytes);
101 adev->psp.dtm_context.context.bin_desc.start_addr =
102 (uint8_t *)adev->psp.hdcp_context.context.bin_desc.start_addr +
103 le32_to_cpu(ta_hdr->dtm.offset_bytes);
104 }
105
106 return 0;
107
108 out:
109 release_firmware(adev->psp.ta_fw);
110 adev->psp.ta_fw = NULL;
111 if (err) {
112 dev_err(adev->dev,
113 "psp v12.0: Failed to load firmware \"%s\"\n",
114 fw_name);
115 }
116
117 return err;
118 }
119
psp_v12_0_bootloader_load_sysdrv(struct psp_context * psp)120 static int psp_v12_0_bootloader_load_sysdrv(struct psp_context *psp)
121 {
122 int ret;
123 uint32_t psp_gfxdrv_command_reg = 0;
124 struct amdgpu_device *adev = psp->adev;
125 uint32_t sol_reg;
126
127 /* Check sOS sign of life register to confirm sys driver and sOS
128 * are already been loaded.
129 */
130 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
131 if (sol_reg)
132 return 0;
133
134 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
135 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
136 0x80000000, 0x80000000, false);
137 if (ret)
138 return ret;
139
140 /* Copy PSP System Driver binary to memory */
141 psp_copy_fw(psp, psp->sys.start_addr, psp->sys.size_bytes);
142
143 /* Provide the sys driver to bootloader */
144 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
145 (uint32_t)(psp->fw_pri_mc_addr >> 20));
146 psp_gfxdrv_command_reg = 1 << 16;
147 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
148 psp_gfxdrv_command_reg);
149
150 /* there might be handshake issue with hardware which needs delay */
151 mdelay(20);
152
153 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
154 0x80000000, 0x80000000, false);
155
156 return ret;
157 }
158
psp_v12_0_bootloader_load_sos(struct psp_context * psp)159 static int psp_v12_0_bootloader_load_sos(struct psp_context *psp)
160 {
161 int ret;
162 unsigned int psp_gfxdrv_command_reg = 0;
163 struct amdgpu_device *adev = psp->adev;
164 uint32_t sol_reg;
165
166 /* Check sOS sign of life register to confirm sys driver and sOS
167 * are already been loaded.
168 */
169 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
170 if (sol_reg)
171 return 0;
172
173 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
174 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
175 0x80000000, 0x80000000, false);
176 if (ret)
177 return ret;
178
179 /* Copy Secure OS binary to PSP memory */
180 psp_copy_fw(psp, psp->sos.start_addr, psp->sos.size_bytes);
181
182 /* Provide the PSP secure OS to bootloader */
183 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
184 (uint32_t)(psp->fw_pri_mc_addr >> 20));
185 psp_gfxdrv_command_reg = 2 << 16;
186 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
187 psp_gfxdrv_command_reg);
188
189 /* there might be handshake issue with hardware which needs delay */
190 mdelay(20);
191 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
192 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
193 0, true);
194
195 return ret;
196 }
197
psp_v12_0_reroute_ih(struct psp_context * psp)198 static void psp_v12_0_reroute_ih(struct psp_context *psp)
199 {
200 struct amdgpu_device *adev = psp->adev;
201 uint32_t tmp;
202
203 /* Change IH ring for VMC */
204 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
205 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
206 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
207
208 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
209 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
210 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
211
212 mdelay(20);
213 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
214 0x80000000, 0x8000FFFF, false);
215
216 /* Change IH ring for UMC */
217 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
218 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
219
220 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
221 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
222 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
223
224 mdelay(20);
225 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
226 0x80000000, 0x8000FFFF, false);
227 }
228
psp_v12_0_ring_init(struct psp_context * psp,enum psp_ring_type ring_type)229 static int psp_v12_0_ring_init(struct psp_context *psp,
230 enum psp_ring_type ring_type)
231 {
232 int ret = 0;
233 struct psp_ring *ring;
234 struct amdgpu_device *adev = psp->adev;
235
236 psp_v12_0_reroute_ih(psp);
237
238 ring = &psp->km_ring;
239
240 ring->ring_type = ring_type;
241
242 /* allocate 4k Page of Local Frame Buffer memory for ring */
243 ring->ring_size = 0x1000;
244 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
245 AMDGPU_GEM_DOMAIN_VRAM,
246 &adev->firmware.rbuf,
247 &ring->ring_mem_mc_addr,
248 (void **)&ring->ring_mem);
249 if (ret) {
250 ring->ring_size = 0;
251 return ret;
252 }
253
254 return 0;
255 }
256
psp_v12_0_ring_create(struct psp_context * psp,enum psp_ring_type ring_type)257 static int psp_v12_0_ring_create(struct psp_context *psp,
258 enum psp_ring_type ring_type)
259 {
260 int ret = 0;
261 unsigned int psp_ring_reg = 0;
262 struct psp_ring *ring = &psp->km_ring;
263 struct amdgpu_device *adev = psp->adev;
264
265 if (amdgpu_sriov_vf(psp->adev)) {
266 /* Write low address of the ring to C2PMSG_102 */
267 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
268 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
269 /* Write high address of the ring to C2PMSG_103 */
270 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
271 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
272
273 /* Write the ring initialization command to C2PMSG_101 */
274 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
275 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
276
277 /* there might be handshake issue with hardware which needs delay */
278 mdelay(20);
279
280 /* Wait for response flag (bit 31) in C2PMSG_101 */
281 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
282 0x80000000, 0x8000FFFF, false);
283
284 } else {
285 /* Write low address of the ring to C2PMSG_69 */
286 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
287 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
288 /* Write high address of the ring to C2PMSG_70 */
289 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
290 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
291 /* Write size of ring to C2PMSG_71 */
292 psp_ring_reg = ring->ring_size;
293 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
294 /* Write the ring initialization command to C2PMSG_64 */
295 psp_ring_reg = ring_type;
296 psp_ring_reg = psp_ring_reg << 16;
297 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
298
299 /* there might be handshake issue with hardware which needs delay */
300 mdelay(20);
301
302 /* Wait for response flag (bit 31) in C2PMSG_64 */
303 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
304 0x80000000, 0x8000FFFF, false);
305 }
306
307 return ret;
308 }
309
psp_v12_0_ring_stop(struct psp_context * psp,enum psp_ring_type ring_type)310 static int psp_v12_0_ring_stop(struct psp_context *psp,
311 enum psp_ring_type ring_type)
312 {
313 int ret = 0;
314 struct amdgpu_device *adev = psp->adev;
315
316 /* Write the ring destroy command*/
317 if (amdgpu_sriov_vf(adev))
318 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
319 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
320 else
321 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
322 GFX_CTRL_CMD_ID_DESTROY_RINGS);
323
324 /* there might be handshake issue with hardware which needs delay */
325 mdelay(20);
326
327 /* Wait for response flag (bit 31) */
328 if (amdgpu_sriov_vf(adev))
329 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
330 0x80000000, 0x80000000, false);
331 else
332 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
333 0x80000000, 0x80000000, false);
334
335 return ret;
336 }
337
psp_v12_0_ring_destroy(struct psp_context * psp,enum psp_ring_type ring_type)338 static int psp_v12_0_ring_destroy(struct psp_context *psp,
339 enum psp_ring_type ring_type)
340 {
341 int ret = 0;
342 struct psp_ring *ring = &psp->km_ring;
343 struct amdgpu_device *adev = psp->adev;
344
345 ret = psp_v12_0_ring_stop(psp, ring_type);
346 if (ret)
347 DRM_ERROR("Fail to stop psp ring\n");
348
349 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
350 &ring->ring_mem_mc_addr,
351 (void **)&ring->ring_mem);
352
353 return ret;
354 }
355
psp_v12_0_mode1_reset(struct psp_context * psp)356 static int psp_v12_0_mode1_reset(struct psp_context *psp)
357 {
358 int ret;
359 uint32_t offset;
360 struct amdgpu_device *adev = psp->adev;
361
362 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
363
364 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
365
366 if (ret) {
367 DRM_INFO("psp is not working correctly before mode1 reset!\n");
368 return -EINVAL;
369 }
370
371 /*send the mode 1 reset command*/
372 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
373
374 msleep(500);
375
376 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
377
378 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
379
380 if (ret) {
381 DRM_INFO("psp mode 1 reset failed!\n");
382 return -EINVAL;
383 }
384
385 DRM_INFO("psp mode1 reset succeed \n");
386
387 return 0;
388 }
389
psp_v12_0_ring_get_wptr(struct psp_context * psp)390 static uint32_t psp_v12_0_ring_get_wptr(struct psp_context *psp)
391 {
392 uint32_t data;
393 struct amdgpu_device *adev = psp->adev;
394
395 if (amdgpu_sriov_vf(adev))
396 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
397 else
398 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
399
400 return data;
401 }
402
psp_v12_0_ring_set_wptr(struct psp_context * psp,uint32_t value)403 static void psp_v12_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
404 {
405 struct amdgpu_device *adev = psp->adev;
406
407 if (amdgpu_sriov_vf(adev)) {
408 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
409 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
410 } else
411 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
412 }
413
414 static const struct psp_funcs psp_v12_0_funcs = {
415 .init_microcode = psp_v12_0_init_microcode,
416 .bootloader_load_sysdrv = psp_v12_0_bootloader_load_sysdrv,
417 .bootloader_load_sos = psp_v12_0_bootloader_load_sos,
418 .ring_init = psp_v12_0_ring_init,
419 .ring_create = psp_v12_0_ring_create,
420 .ring_stop = psp_v12_0_ring_stop,
421 .ring_destroy = psp_v12_0_ring_destroy,
422 .mode1_reset = psp_v12_0_mode1_reset,
423 .ring_get_wptr = psp_v12_0_ring_get_wptr,
424 .ring_set_wptr = psp_v12_0_ring_set_wptr,
425 };
426
psp_v12_0_set_psp_funcs(struct psp_context * psp)427 void psp_v12_0_set_psp_funcs(struct psp_context *psp)
428 {
429 psp->funcs = &psp_v12_0_funcs;
430 }
431