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 <drm/drm_drv.h>
24 #include <linux/vmalloc.h>
25 #include "amdgpu.h"
26 #include "amdgpu_psp.h"
27 #include "amdgpu_ucode.h"
28 #include "soc15_common.h"
29 #include "psp_v13_0.h"
30
31 #include "mp/mp_13_0_2_offset.h"
32 #include "mp/mp_13_0_2_sh_mask.h"
33
34 MODULE_FIRMWARE("amdgpu/aldebaran_sos.bin");
35 MODULE_FIRMWARE("amdgpu/aldebaran_ta.bin");
36 MODULE_FIRMWARE("amdgpu/aldebaran_cap.bin");
37 MODULE_FIRMWARE("amdgpu/yellow_carp_toc.bin");
38 MODULE_FIRMWARE("amdgpu/yellow_carp_ta.bin");
39 MODULE_FIRMWARE("amdgpu/psp_13_0_5_toc.bin");
40 MODULE_FIRMWARE("amdgpu/psp_13_0_5_ta.bin");
41 MODULE_FIRMWARE("amdgpu/psp_13_0_8_toc.bin");
42 MODULE_FIRMWARE("amdgpu/psp_13_0_8_ta.bin");
43 MODULE_FIRMWARE("amdgpu/psp_13_0_0_sos.bin");
44 MODULE_FIRMWARE("amdgpu/psp_13_0_0_ta.bin");
45 MODULE_FIRMWARE("amdgpu/psp_13_0_7_sos.bin");
46 MODULE_FIRMWARE("amdgpu/psp_13_0_7_ta.bin");
47 MODULE_FIRMWARE("amdgpu/psp_13_0_10_sos.bin");
48 MODULE_FIRMWARE("amdgpu/psp_13_0_10_ta.bin");
49 MODULE_FIRMWARE("amdgpu/psp_13_0_11_toc.bin");
50 MODULE_FIRMWARE("amdgpu/psp_13_0_11_ta.bin");
51 MODULE_FIRMWARE("amdgpu/psp_13_0_6_sos.bin");
52 MODULE_FIRMWARE("amdgpu/psp_13_0_6_ta.bin");
53 MODULE_FIRMWARE("amdgpu/psp_14_0_0_toc.bin");
54 MODULE_FIRMWARE("amdgpu/psp_14_0_0_ta.bin");
55
56 /* For large FW files the time to complete can be very long */
57 #define USBC_PD_POLLING_LIMIT_S 240
58
59 /* Read USB-PD from LFB */
60 #define GFX_CMD_USB_PD_USE_LFB 0x480
61
62 /* VBIOS gfl defines */
63 #define MBOX_READY_MASK 0x80000000
64 #define MBOX_STATUS_MASK 0x0000FFFF
65 #define MBOX_COMMAND_MASK 0x00FF0000
66 #define MBOX_READY_FLAG 0x80000000
67 #define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO 0x2
68 #define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI 0x3
69 #define C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE 0x4
70
71 /* memory training timeout define */
72 #define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000
73
psp_v13_0_init_microcode(struct psp_context * psp)74 static int psp_v13_0_init_microcode(struct psp_context *psp)
75 {
76 struct amdgpu_device *adev = psp->adev;
77 char ucode_prefix[30];
78 int err = 0;
79
80 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
81
82 switch (adev->ip_versions[MP0_HWIP][0]) {
83 case IP_VERSION(13, 0, 2):
84 err = psp_init_sos_microcode(psp, ucode_prefix);
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(psp, ucode_prefix);
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 case IP_VERSION(13, 0, 11):
99 case IP_VERSION(14, 0, 0):
100 err = psp_init_toc_microcode(psp, ucode_prefix);
101 if (err)
102 return err;
103 err = psp_init_ta_microcode(psp, ucode_prefix);
104 if (err)
105 return err;
106 break;
107 case IP_VERSION(13, 0, 0):
108 case IP_VERSION(13, 0, 6):
109 case IP_VERSION(13, 0, 7):
110 case IP_VERSION(13, 0, 10):
111 err = psp_init_sos_microcode(psp, ucode_prefix);
112 if (err)
113 return err;
114 /* It's not necessary to load ras ta on Guest side */
115 err = psp_init_ta_microcode(psp, ucode_prefix);
116 if (err)
117 return err;
118 break;
119 default:
120 BUG();
121 }
122
123 return 0;
124 }
125
psp_v13_0_is_sos_alive(struct psp_context * psp)126 static bool psp_v13_0_is_sos_alive(struct psp_context *psp)
127 {
128 struct amdgpu_device *adev = psp->adev;
129 uint32_t sol_reg;
130
131 sol_reg = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81);
132
133 return sol_reg != 0x0;
134 }
135
psp_v13_0_wait_for_vmbx_ready(struct psp_context * psp)136 static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp)
137 {
138 struct amdgpu_device *adev = psp->adev;
139 int retry_loop, ret;
140
141 for (retry_loop = 0; retry_loop < 70; retry_loop++) {
142 /* Wait for bootloader to signify that is
143 ready having bit 31 of C2PMSG_33 set to 1 */
144 ret = psp_wait_for(
145 psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_33),
146 0x80000000, 0xffffffff, false);
147
148 if (ret == 0)
149 break;
150 }
151
152 if (ret)
153 dev_warn(adev->dev, "Bootloader wait timed out");
154
155 return ret;
156 }
157
psp_v13_0_wait_for_bootloader(struct psp_context * psp)158 static int psp_v13_0_wait_for_bootloader(struct psp_context *psp)
159 {
160 struct amdgpu_device *adev = psp->adev;
161 int retry_loop, ret;
162
163 /* Wait for bootloader to signify that it is ready having bit 31 of
164 * C2PMSG_35 set to 1. All other bits are expected to be cleared.
165 * If there is an error in processing command, bits[7:0] will be set.
166 * This is applicable for PSP v13.0.6 and newer.
167 */
168 for (retry_loop = 0; retry_loop < 10; retry_loop++) {
169 ret = psp_wait_for(
170 psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35),
171 0x80000000, 0xffffffff, false);
172
173 if (ret == 0)
174 return 0;
175 }
176
177 return ret;
178 }
179
psp_v13_0_wait_for_bootloader_steady_state(struct psp_context * psp)180 static int psp_v13_0_wait_for_bootloader_steady_state(struct psp_context *psp)
181 {
182 struct amdgpu_device *adev = psp->adev;
183
184 if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 6)) {
185 psp_v13_0_wait_for_vmbx_ready(psp);
186
187 return psp_v13_0_wait_for_bootloader(psp);
188 }
189
190 return 0;
191 }
192
psp_v13_0_bootloader_load_component(struct psp_context * psp,struct psp_bin_desc * bin_desc,enum psp_bootloader_cmd bl_cmd)193 static int psp_v13_0_bootloader_load_component(struct psp_context *psp,
194 struct psp_bin_desc *bin_desc,
195 enum psp_bootloader_cmd bl_cmd)
196 {
197 int ret;
198 uint32_t psp_gfxdrv_command_reg = 0;
199 struct amdgpu_device *adev = psp->adev;
200
201 /* Check tOS sign of life register to confirm sys driver and sOS
202 * are already been loaded.
203 */
204 if (psp_v13_0_is_sos_alive(psp))
205 return 0;
206
207 ret = psp_v13_0_wait_for_bootloader(psp);
208 if (ret)
209 return ret;
210
211 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
212
213 /* Copy PSP KDB binary to memory */
214 memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes);
215
216 /* Provide the PSP KDB to bootloader */
217 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36,
218 (uint32_t)(psp->fw_pri_mc_addr >> 20));
219 psp_gfxdrv_command_reg = bl_cmd;
220 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35,
221 psp_gfxdrv_command_reg);
222
223 ret = psp_v13_0_wait_for_bootloader(psp);
224
225 return ret;
226 }
227
psp_v13_0_bootloader_load_kdb(struct psp_context * psp)228 static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp)
229 {
230 return psp_v13_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE);
231 }
232
psp_v13_0_bootloader_load_spl(struct psp_context * psp)233 static int psp_v13_0_bootloader_load_spl(struct psp_context *psp)
234 {
235 return psp_v13_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_TOS_SPL_TABLE);
236 }
237
psp_v13_0_bootloader_load_sysdrv(struct psp_context * psp)238 static int psp_v13_0_bootloader_load_sysdrv(struct psp_context *psp)
239 {
240 return psp_v13_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV);
241 }
242
psp_v13_0_bootloader_load_soc_drv(struct psp_context * psp)243 static int psp_v13_0_bootloader_load_soc_drv(struct psp_context *psp)
244 {
245 return psp_v13_0_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV);
246 }
247
psp_v13_0_bootloader_load_intf_drv(struct psp_context * psp)248 static int psp_v13_0_bootloader_load_intf_drv(struct psp_context *psp)
249 {
250 return psp_v13_0_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV);
251 }
252
psp_v13_0_bootloader_load_dbg_drv(struct psp_context * psp)253 static int psp_v13_0_bootloader_load_dbg_drv(struct psp_context *psp)
254 {
255 return psp_v13_0_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_DBGDRV);
256 }
257
psp_v13_0_bootloader_load_ras_drv(struct psp_context * psp)258 static int psp_v13_0_bootloader_load_ras_drv(struct psp_context *psp)
259 {
260 return psp_v13_0_bootloader_load_component(psp, &psp->ras_drv, PSP_BL__LOAD_RASDRV);
261 }
262
263
psp_v13_0_bootloader_load_sos(struct psp_context * psp)264 static int psp_v13_0_bootloader_load_sos(struct psp_context *psp)
265 {
266 int ret;
267 unsigned int psp_gfxdrv_command_reg = 0;
268 struct amdgpu_device *adev = psp->adev;
269
270 /* Check sOS sign of life register to confirm sys driver and sOS
271 * are already been loaded.
272 */
273 if (psp_v13_0_is_sos_alive(psp))
274 return 0;
275
276 ret = psp_v13_0_wait_for_bootloader(psp);
277 if (ret)
278 return ret;
279
280 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
281
282 /* Copy Secure OS binary to PSP memory */
283 memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes);
284
285 /* Provide the PSP secure OS to bootloader */
286 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36,
287 (uint32_t)(psp->fw_pri_mc_addr >> 20));
288 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
289 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35,
290 psp_gfxdrv_command_reg);
291
292 /* there might be handshake issue with hardware which needs delay */
293 mdelay(20);
294 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_81),
295 RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81),
296 0, true);
297
298 return ret;
299 }
300
psp_v13_0_ring_stop(struct psp_context * psp,enum psp_ring_type ring_type)301 static int psp_v13_0_ring_stop(struct psp_context *psp,
302 enum psp_ring_type ring_type)
303 {
304 int ret = 0;
305 struct amdgpu_device *adev = psp->adev;
306
307 if (amdgpu_sriov_vf(adev)) {
308 /* Write the ring destroy command*/
309 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101,
310 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
311 /* there might be handshake issue with hardware which needs delay */
312 mdelay(20);
313 /* Wait for response flag (bit 31) */
314 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_101),
315 0x80000000, 0x80000000, false);
316 } else {
317 /* Write the ring destroy command*/
318 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_64,
319 GFX_CTRL_CMD_ID_DESTROY_RINGS);
320 /* there might be handshake issue with hardware which needs delay */
321 mdelay(20);
322 /* Wait for response flag (bit 31) */
323 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64),
324 0x80000000, 0x80000000, false);
325 }
326
327 return ret;
328 }
329
psp_v13_0_ring_create(struct psp_context * psp,enum psp_ring_type ring_type)330 static int psp_v13_0_ring_create(struct psp_context *psp,
331 enum psp_ring_type ring_type)
332 {
333 int ret = 0;
334 unsigned int psp_ring_reg = 0;
335 struct psp_ring *ring = &psp->km_ring;
336 struct amdgpu_device *adev = psp->adev;
337
338 if (amdgpu_sriov_vf(adev)) {
339 ret = psp_v13_0_ring_stop(psp, ring_type);
340 if (ret) {
341 DRM_ERROR("psp_v13_0_ring_stop_sriov failed!\n");
342 return ret;
343 }
344
345 /* Write low address of the ring to C2PMSG_102 */
346 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
347 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102, psp_ring_reg);
348 /* Write high address of the ring to C2PMSG_103 */
349 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
350 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_103, psp_ring_reg);
351
352 /* Write the ring initialization command to C2PMSG_101 */
353 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101,
354 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
355
356 /* there might be handshake issue with hardware which needs delay */
357 mdelay(20);
358
359 /* Wait for response flag (bit 31) in C2PMSG_101 */
360 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_101),
361 0x80000000, 0x8000FFFF, false);
362
363 } else {
364 /* Wait for sOS ready for ring creation */
365 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64),
366 0x80000000, 0x80000000, false);
367 if (ret) {
368 DRM_ERROR("Failed to wait for trust OS ready for ring creation\n");
369 return ret;
370 }
371
372 /* Write low address of the ring to C2PMSG_69 */
373 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
374 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_69, psp_ring_reg);
375 /* Write high address of the ring to C2PMSG_70 */
376 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
377 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_70, psp_ring_reg);
378 /* Write size of ring to C2PMSG_71 */
379 psp_ring_reg = ring->ring_size;
380 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_71, psp_ring_reg);
381 /* Write the ring initialization command to C2PMSG_64 */
382 psp_ring_reg = ring_type;
383 psp_ring_reg = psp_ring_reg << 16;
384 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_64, psp_ring_reg);
385
386 /* there might be handshake issue with hardware which needs delay */
387 mdelay(20);
388
389 /* Wait for response flag (bit 31) in C2PMSG_64 */
390 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64),
391 0x80000000, 0x8000FFFF, false);
392 }
393
394 return ret;
395 }
396
psp_v13_0_ring_destroy(struct psp_context * psp,enum psp_ring_type ring_type)397 static int psp_v13_0_ring_destroy(struct psp_context *psp,
398 enum psp_ring_type ring_type)
399 {
400 int ret = 0;
401 struct psp_ring *ring = &psp->km_ring;
402 struct amdgpu_device *adev = psp->adev;
403
404 ret = psp_v13_0_ring_stop(psp, ring_type);
405 if (ret)
406 DRM_ERROR("Fail to stop psp ring\n");
407
408 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
409 &ring->ring_mem_mc_addr,
410 (void **)&ring->ring_mem);
411
412 return ret;
413 }
414
psp_v13_0_ring_get_wptr(struct psp_context * psp)415 static uint32_t psp_v13_0_ring_get_wptr(struct psp_context *psp)
416 {
417 uint32_t data;
418 struct amdgpu_device *adev = psp->adev;
419
420 if (amdgpu_sriov_vf(adev))
421 data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102);
422 else
423 data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67);
424
425 return data;
426 }
427
psp_v13_0_ring_set_wptr(struct psp_context * psp,uint32_t value)428 static void psp_v13_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
429 {
430 struct amdgpu_device *adev = psp->adev;
431
432 if (amdgpu_sriov_vf(adev)) {
433 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102, value);
434 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101,
435 GFX_CTRL_CMD_ID_CONSUME_CMD);
436 } else
437 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, value);
438 }
439
psp_v13_0_memory_training_send_msg(struct psp_context * psp,int msg)440 static int psp_v13_0_memory_training_send_msg(struct psp_context *psp, int msg)
441 {
442 int ret;
443 int i;
444 uint32_t data_32;
445 int max_wait;
446 struct amdgpu_device *adev = psp->adev;
447
448 data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
449 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, data_32);
450 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, msg);
451
452 max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
453 for (i = 0; i < max_wait; i++) {
454 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35),
455 0x80000000, 0x80000000, false);
456 if (ret == 0)
457 break;
458 }
459 if (i < max_wait)
460 ret = 0;
461 else
462 ret = -ETIME;
463
464 dev_dbg(adev->dev, "training %s %s, cost %d @ %d ms\n",
465 (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
466 (ret == 0) ? "succeed" : "failed",
467 i, adev->usec_timeout/1000);
468 return ret;
469 }
470
471
psp_v13_0_memory_training(struct psp_context * psp,uint32_t ops)472 static int psp_v13_0_memory_training(struct psp_context *psp, uint32_t ops)
473 {
474 struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
475 uint32_t *pcache = (uint32_t *)ctx->sys_cache;
476 struct amdgpu_device *adev = psp->adev;
477 uint32_t p2c_header[4];
478 uint32_t sz;
479 void *buf;
480 int ret, idx;
481
482 if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
483 dev_dbg(adev->dev, "Memory training is not supported.\n");
484 return 0;
485 } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
486 dev_err(adev->dev, "Memory training initialization failure.\n");
487 return -EINVAL;
488 }
489
490 if (psp_v13_0_is_sos_alive(psp)) {
491 dev_dbg(adev->dev, "SOS is alive, skip memory training.\n");
492 return 0;
493 }
494
495 amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
496 dev_dbg(adev->dev, "sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
497 pcache[0], pcache[1], pcache[2], pcache[3],
498 p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
499
500 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
501 dev_dbg(adev->dev, "Short training depends on restore.\n");
502 ops |= PSP_MEM_TRAIN_RESTORE;
503 }
504
505 if ((ops & PSP_MEM_TRAIN_RESTORE) &&
506 pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
507 dev_dbg(adev->dev, "sys_cache[0] is invalid, restore depends on save.\n");
508 ops |= PSP_MEM_TRAIN_SAVE;
509 }
510
511 if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
512 !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
513 pcache[3] == p2c_header[3])) {
514 dev_dbg(adev->dev, "sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
515 ops |= PSP_MEM_TRAIN_SAVE;
516 }
517
518 if ((ops & PSP_MEM_TRAIN_SAVE) &&
519 p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
520 dev_dbg(adev->dev, "p2c_header[0] is invalid, save depends on long training.\n");
521 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
522 }
523
524 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
525 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
526 ops |= PSP_MEM_TRAIN_SAVE;
527 }
528
529 dev_dbg(adev->dev, "Memory training ops:%x.\n", ops);
530
531 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
532 /*
533 * Long training will encroach a certain amount on the bottom of VRAM;
534 * save the content from the bottom of VRAM to system memory
535 * before training, and restore it after training to avoid
536 * VRAM corruption.
537 */
538 sz = GDDR6_MEM_TRAINING_ENCROACHED_SIZE;
539
540 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
541 dev_err(adev->dev, "visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
542 adev->gmc.visible_vram_size,
543 adev->mman.aper_base_kaddr);
544 return -EINVAL;
545 }
546
547 buf = vmalloc(sz);
548 if (!buf) {
549 dev_err(adev->dev, "failed to allocate system memory.\n");
550 return -ENOMEM;
551 }
552
553 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
554 memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
555 ret = psp_v13_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
556 if (ret) {
557 DRM_ERROR("Send long training msg failed.\n");
558 vfree(buf);
559 drm_dev_exit(idx);
560 return ret;
561 }
562
563 memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
564 adev->hdp.funcs->flush_hdp(adev, NULL);
565 vfree(buf);
566 drm_dev_exit(idx);
567 } else {
568 vfree(buf);
569 return -ENODEV;
570 }
571 }
572
573 if (ops & PSP_MEM_TRAIN_SAVE) {
574 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
575 }
576
577 if (ops & PSP_MEM_TRAIN_RESTORE) {
578 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
579 }
580
581 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
582 ret = psp_v13_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
583 PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
584 if (ret) {
585 dev_err(adev->dev, "send training msg failed.\n");
586 return ret;
587 }
588 }
589 ctx->training_cnt++;
590 return 0;
591 }
592
psp_v13_0_load_usbc_pd_fw(struct psp_context * psp,uint64_t fw_pri_mc_addr)593 static int psp_v13_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr)
594 {
595 struct amdgpu_device *adev = psp->adev;
596 uint32_t reg_status;
597 int ret, i = 0;
598
599 /*
600 * LFB address which is aligned to 1MB address and has to be
601 * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P
602 * register
603 */
604 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20));
605
606 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35),
607 0x80000000, 0x80000000, false);
608 if (ret)
609 return ret;
610
611 /* Fireup interrupt so PSP can pick up the address */
612 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16));
613
614 /* FW load takes very long time */
615 do {
616 msleep(1000);
617 reg_status = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35);
618
619 if (reg_status & 0x80000000)
620 goto done;
621
622 } while (++i < USBC_PD_POLLING_LIMIT_S);
623
624 return -ETIME;
625 done:
626
627 if ((reg_status & 0xFFFF) != 0) {
628 DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %04x\n",
629 reg_status & 0xFFFF);
630 return -EIO;
631 }
632
633 return 0;
634 }
635
psp_v13_0_read_usbc_pd_fw(struct psp_context * psp,uint32_t * fw_ver)636 static int psp_v13_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
637 {
638 struct amdgpu_device *adev = psp->adev;
639 int ret;
640
641 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
642
643 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35),
644 0x80000000, 0x80000000, false);
645 if (!ret)
646 *fw_ver = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36);
647
648 return ret;
649 }
650
psp_v13_0_exec_spi_cmd(struct psp_context * psp,int cmd)651 static int psp_v13_0_exec_spi_cmd(struct psp_context *psp, int cmd)
652 {
653 uint32_t reg_status = 0, reg_val = 0;
654 struct amdgpu_device *adev = psp->adev;
655 int ret;
656
657 /* clear MBX ready (MBOX_READY_MASK bit is 0) and set update command */
658 reg_val |= (cmd << 16);
659 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115, reg_val);
660
661 /* Ring the doorbell */
662 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_73, 1);
663
664 if (cmd == C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE)
665 ret = psp_wait_for_spirom_update(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115),
666 MBOX_READY_FLAG, MBOX_READY_MASK, PSP_SPIROM_UPDATE_TIMEOUT);
667 else
668 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115),
669 MBOX_READY_FLAG, MBOX_READY_MASK, false);
670 if (ret) {
671 dev_err(adev->dev, "SPI cmd %x timed out, ret = %d", cmd, ret);
672 return ret;
673 }
674
675 reg_status = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115);
676 if ((reg_status & 0xFFFF) != 0) {
677 dev_err(adev->dev, "SPI cmd %x failed, fail status = %04x\n",
678 cmd, reg_status & 0xFFFF);
679 return -EIO;
680 }
681
682 return 0;
683 }
684
psp_v13_0_update_spirom(struct psp_context * psp,uint64_t fw_pri_mc_addr)685 static int psp_v13_0_update_spirom(struct psp_context *psp,
686 uint64_t fw_pri_mc_addr)
687 {
688 struct amdgpu_device *adev = psp->adev;
689 int ret;
690
691 /* Confirm PSP is ready to start */
692 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115),
693 MBOX_READY_FLAG, MBOX_READY_MASK, false);
694 if (ret) {
695 dev_err(adev->dev, "PSP Not ready to start processing, ret = %d", ret);
696 return ret;
697 }
698
699 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_116, lower_32_bits(fw_pri_mc_addr));
700
701 ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO);
702 if (ret)
703 return ret;
704
705 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_116, upper_32_bits(fw_pri_mc_addr));
706
707 ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI);
708 if (ret)
709 return ret;
710
711 psp->vbflash_done = true;
712
713 ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE);
714 if (ret)
715 return ret;
716
717 return 0;
718 }
719
psp_v13_0_vbflash_status(struct psp_context * psp)720 static int psp_v13_0_vbflash_status(struct psp_context *psp)
721 {
722 struct amdgpu_device *adev = psp->adev;
723
724 return RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115);
725 }
726
psp_v13_0_fatal_error_recovery_quirk(struct psp_context * psp)727 static int psp_v13_0_fatal_error_recovery_quirk(struct psp_context *psp)
728 {
729 struct amdgpu_device *adev = psp->adev;
730
731 if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 10)) {
732 uint32_t reg_data;
733 /* MP1 fatal error: trigger PSP dram read to unhalt PSP
734 * during MP1 triggered sync flood.
735 */
736 reg_data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67);
737 WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, reg_data + 0x10);
738
739 /* delay 1000ms for the mode1 reset for fatal error
740 * to be recovered back.
741 */
742 msleep(1000);
743 }
744
745 return 0;
746 }
747
748 static const struct psp_funcs psp_v13_0_funcs = {
749 .init_microcode = psp_v13_0_init_microcode,
750 .wait_for_bootloader = psp_v13_0_wait_for_bootloader_steady_state,
751 .bootloader_load_kdb = psp_v13_0_bootloader_load_kdb,
752 .bootloader_load_spl = psp_v13_0_bootloader_load_spl,
753 .bootloader_load_sysdrv = psp_v13_0_bootloader_load_sysdrv,
754 .bootloader_load_soc_drv = psp_v13_0_bootloader_load_soc_drv,
755 .bootloader_load_intf_drv = psp_v13_0_bootloader_load_intf_drv,
756 .bootloader_load_dbg_drv = psp_v13_0_bootloader_load_dbg_drv,
757 .bootloader_load_ras_drv = psp_v13_0_bootloader_load_ras_drv,
758 .bootloader_load_sos = psp_v13_0_bootloader_load_sos,
759 .ring_create = psp_v13_0_ring_create,
760 .ring_stop = psp_v13_0_ring_stop,
761 .ring_destroy = psp_v13_0_ring_destroy,
762 .ring_get_wptr = psp_v13_0_ring_get_wptr,
763 .ring_set_wptr = psp_v13_0_ring_set_wptr,
764 .mem_training = psp_v13_0_memory_training,
765 .load_usbc_pd_fw = psp_v13_0_load_usbc_pd_fw,
766 .read_usbc_pd_fw = psp_v13_0_read_usbc_pd_fw,
767 .update_spirom = psp_v13_0_update_spirom,
768 .vbflash_stat = psp_v13_0_vbflash_status,
769 .fatal_error_recovery_quirk = psp_v13_0_fatal_error_recovery_quirk,
770 };
771
psp_v13_0_set_psp_funcs(struct psp_context * psp)772 void psp_v13_0_set_psp_funcs(struct psp_context *psp)
773 {
774 psp->funcs = &psp_v13_0_funcs;
775 }
776