1 /*
2 * Copyright 2023 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_v14_0.h"
30
31 #include "mp/mp_14_0_2_offset.h"
32 #include "mp/mp_14_0_2_sh_mask.h"
33
34 MODULE_FIRMWARE("amdgpu/psp_14_0_2_sos.bin");
35 MODULE_FIRMWARE("amdgpu/psp_14_0_2_ta.bin");
36 MODULE_FIRMWARE("amdgpu/psp_14_0_3_sos.bin");
37 MODULE_FIRMWARE("amdgpu/psp_14_0_3_ta.bin");
38
39 /* For large FW files the time to complete can be very long */
40 #define USBC_PD_POLLING_LIMIT_S 240
41
42 /* Read USB-PD from LFB */
43 #define GFX_CMD_USB_PD_USE_LFB 0x480
44
45 /* VBIOS gfl defines */
46 #define MBOX_READY_MASK 0x80000000
47 #define MBOX_STATUS_MASK 0x0000FFFF
48 #define MBOX_COMMAND_MASK 0x00FF0000
49 #define MBOX_READY_FLAG 0x80000000
50 #define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO 0x2
51 #define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI 0x3
52 #define C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE 0x4
53
54 /* memory training timeout define */
55 #define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000
56
psp_v14_0_init_microcode(struct psp_context * psp)57 static int psp_v14_0_init_microcode(struct psp_context *psp)
58 {
59 struct amdgpu_device *adev = psp->adev;
60 char ucode_prefix[30];
61 int err = 0;
62
63 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
64
65 switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
66 case IP_VERSION(14, 0, 2):
67 case IP_VERSION(14, 0, 3):
68 err = psp_init_sos_microcode(psp, ucode_prefix);
69 if (err)
70 return err;
71 err = psp_init_ta_microcode(psp, ucode_prefix);
72 if (err)
73 return err;
74 break;
75 default:
76 BUG();
77 }
78
79 return 0;
80 }
81
psp_v14_0_is_sos_alive(struct psp_context * psp)82 static bool psp_v14_0_is_sos_alive(struct psp_context *psp)
83 {
84 struct amdgpu_device *adev = psp->adev;
85 uint32_t sol_reg;
86
87 sol_reg = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_81);
88
89 return sol_reg != 0x0;
90 }
91
psp_v14_0_wait_for_bootloader(struct psp_context * psp)92 static int psp_v14_0_wait_for_bootloader(struct psp_context *psp)
93 {
94 struct amdgpu_device *adev = psp->adev;
95
96 int ret;
97 int retry_loop;
98
99 for (retry_loop = 0; retry_loop < 10; retry_loop++) {
100 /* Wait for bootloader to signify that is
101 ready having bit 31 of C2PMSG_35 set to 1 */
102 ret = psp_wait_for(psp,
103 SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
104 0x80000000,
105 0x80000000,
106 false);
107
108 if (ret == 0)
109 return 0;
110 }
111
112 return ret;
113 }
114
psp_v14_0_bootloader_load_component(struct psp_context * psp,struct psp_bin_desc * bin_desc,enum psp_bootloader_cmd bl_cmd)115 static int psp_v14_0_bootloader_load_component(struct psp_context *psp,
116 struct psp_bin_desc *bin_desc,
117 enum psp_bootloader_cmd bl_cmd)
118 {
119 int ret;
120 uint32_t psp_gfxdrv_command_reg = 0;
121 struct amdgpu_device *adev = psp->adev;
122
123 /* Check tOS sign of life register to confirm sys driver and sOS
124 * are already been loaded.
125 */
126 if (psp_v14_0_is_sos_alive(psp))
127 return 0;
128
129 ret = psp_v14_0_wait_for_bootloader(psp);
130 if (ret)
131 return ret;
132
133 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
134
135 /* Copy PSP KDB binary to memory */
136 memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes);
137
138 /* Provide the PSP KDB to bootloader */
139 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36,
140 (uint32_t)(psp->fw_pri_mc_addr >> 20));
141 psp_gfxdrv_command_reg = bl_cmd;
142 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35,
143 psp_gfxdrv_command_reg);
144
145 ret = psp_v14_0_wait_for_bootloader(psp);
146
147 return ret;
148 }
149
psp_v14_0_bootloader_load_kdb(struct psp_context * psp)150 static int psp_v14_0_bootloader_load_kdb(struct psp_context *psp)
151 {
152 return psp_v14_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE);
153 }
154
psp_v14_0_bootloader_load_spl(struct psp_context * psp)155 static int psp_v14_0_bootloader_load_spl(struct psp_context *psp)
156 {
157 return psp_v14_0_bootloader_load_component(psp, &psp->spl, PSP_BL__LOAD_TOS_SPL_TABLE);
158 }
159
psp_v14_0_bootloader_load_sysdrv(struct psp_context * psp)160 static int psp_v14_0_bootloader_load_sysdrv(struct psp_context *psp)
161 {
162 return psp_v14_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV);
163 }
164
psp_v14_0_bootloader_load_soc_drv(struct psp_context * psp)165 static int psp_v14_0_bootloader_load_soc_drv(struct psp_context *psp)
166 {
167 return psp_v14_0_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV);
168 }
169
psp_v14_0_bootloader_load_intf_drv(struct psp_context * psp)170 static int psp_v14_0_bootloader_load_intf_drv(struct psp_context *psp)
171 {
172 return psp_v14_0_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV);
173 }
174
psp_v14_0_bootloader_load_dbg_drv(struct psp_context * psp)175 static int psp_v14_0_bootloader_load_dbg_drv(struct psp_context *psp)
176 {
177 /* dbg_drv was renamed to had_drv in psp v14 */
178 return psp_v14_0_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_HADDRV);
179 }
180
psp_v14_0_bootloader_load_ras_drv(struct psp_context * psp)181 static int psp_v14_0_bootloader_load_ras_drv(struct psp_context *psp)
182 {
183 return psp_v14_0_bootloader_load_component(psp, &psp->ras_drv, PSP_BL__LOAD_RASDRV);
184 }
185
psp_v14_0_bootloader_load_ipkeymgr_drv(struct psp_context * psp)186 static int psp_v14_0_bootloader_load_ipkeymgr_drv(struct psp_context *psp)
187 {
188 return psp_v14_0_bootloader_load_component(psp, &psp->ipkeymgr_drv, PSP_BL__LOAD_IPKEYMGRDRV);
189 }
190
psp_v14_0_bootloader_load_sos(struct psp_context * psp)191 static int psp_v14_0_bootloader_load_sos(struct psp_context *psp)
192 {
193 int ret;
194 unsigned int psp_gfxdrv_command_reg = 0;
195 struct amdgpu_device *adev = psp->adev;
196
197 /* Check sOS sign of life register to confirm sys driver and sOS
198 * are already been loaded.
199 */
200 if (psp_v14_0_is_sos_alive(psp))
201 return 0;
202
203 ret = psp_v14_0_wait_for_bootloader(psp);
204 if (ret)
205 return ret;
206
207 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
208
209 /* Copy Secure OS binary to PSP memory */
210 memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes);
211
212 /* Provide the PSP secure OS to bootloader */
213 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36,
214 (uint32_t)(psp->fw_pri_mc_addr >> 20));
215 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
216 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35,
217 psp_gfxdrv_command_reg);
218
219 /* there might be handshake issue with hardware which needs delay */
220 mdelay(20);
221 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_81),
222 RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_81),
223 0, true);
224
225 return ret;
226 }
227
psp_v14_0_ring_stop(struct psp_context * psp,enum psp_ring_type ring_type)228 static int psp_v14_0_ring_stop(struct psp_context *psp,
229 enum psp_ring_type ring_type)
230 {
231 int ret = 0;
232 struct amdgpu_device *adev = psp->adev;
233
234 if (amdgpu_sriov_vf(adev)) {
235 /* Write the ring destroy command*/
236 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
237 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
238 /* there might be handshake issue with hardware which needs delay */
239 mdelay(20);
240 /* Wait for response flag (bit 31) */
241 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_101),
242 0x80000000, 0x80000000, false);
243 } else {
244 /* Write the ring destroy command*/
245 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_64,
246 GFX_CTRL_CMD_ID_DESTROY_RINGS);
247 /* there might be handshake issue with hardware which needs delay */
248 mdelay(20);
249 /* Wait for response flag (bit 31) */
250 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
251 0x80000000, 0x80000000, false);
252 }
253
254 return ret;
255 }
256
psp_v14_0_ring_create(struct psp_context * psp,enum psp_ring_type ring_type)257 static int psp_v14_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(adev)) {
266 ret = psp_v14_0_ring_stop(psp, ring_type);
267 if (ret) {
268 DRM_ERROR("psp_v14_0_ring_stop_sriov failed!\n");
269 return ret;
270 }
271
272 /* Write low address of the ring to C2PMSG_102 */
273 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
274 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102, psp_ring_reg);
275 /* Write high address of the ring to C2PMSG_103 */
276 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
277 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_103, psp_ring_reg);
278
279 /* Write the ring initialization command to C2PMSG_101 */
280 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
281 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
282
283 /* there might be handshake issue with hardware which needs delay */
284 mdelay(20);
285
286 /* Wait for response flag (bit 31) in C2PMSG_101 */
287 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_101),
288 0x80000000, 0x8000FFFF, false);
289
290 } else {
291 /* Wait for sOS ready for ring creation */
292 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
293 0x80000000, 0x80000000, false);
294 if (ret) {
295 DRM_ERROR("Failed to wait for trust OS ready for ring creation\n");
296 return ret;
297 }
298
299 /* Write low address of the ring to C2PMSG_69 */
300 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
301 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_69, psp_ring_reg);
302 /* Write high address of the ring to C2PMSG_70 */
303 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
304 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_70, psp_ring_reg);
305 /* Write size of ring to C2PMSG_71 */
306 psp_ring_reg = ring->ring_size;
307 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_71, psp_ring_reg);
308 /* Write the ring initialization command to C2PMSG_64 */
309 psp_ring_reg = ring_type;
310 psp_ring_reg = psp_ring_reg << 16;
311 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_64, psp_ring_reg);
312
313 /* there might be handshake issue with hardware which needs delay */
314 mdelay(20);
315
316 /* Wait for response flag (bit 31) in C2PMSG_64 */
317 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
318 0x80000000, 0x8000FFFF, false);
319 }
320
321 return ret;
322 }
323
psp_v14_0_ring_destroy(struct psp_context * psp,enum psp_ring_type ring_type)324 static int psp_v14_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_v14_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
psp_v14_0_ring_get_wptr(struct psp_context * psp)342 static uint32_t psp_v14_0_ring_get_wptr(struct psp_context *psp)
343 {
344 uint32_t data;
345 struct amdgpu_device *adev = psp->adev;
346
347 if (amdgpu_sriov_vf(adev))
348 data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102);
349 else
350 data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67);
351
352 return data;
353 }
354
psp_v14_0_ring_set_wptr(struct psp_context * psp,uint32_t value)355 static void psp_v14_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
356 {
357 struct amdgpu_device *adev = psp->adev;
358
359 if (amdgpu_sriov_vf(adev)) {
360 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102, value);
361 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
362 GFX_CTRL_CMD_ID_CONSUME_CMD);
363 } else
364 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67, value);
365 }
366
psp_v14_0_memory_training_send_msg(struct psp_context * psp,int msg)367 static int psp_v14_0_memory_training_send_msg(struct psp_context *psp, int msg)
368 {
369 int ret;
370 int i;
371 uint32_t data_32;
372 int max_wait;
373 struct amdgpu_device *adev = psp->adev;
374
375 data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
376 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36, data_32);
377 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, msg);
378
379 max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
380 for (i = 0; i < max_wait; i++) {
381 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
382 0x80000000, 0x80000000, false);
383 if (ret == 0)
384 break;
385 }
386 if (i < max_wait)
387 ret = 0;
388 else
389 ret = -ETIME;
390
391 dev_dbg(adev->dev, "training %s %s, cost %d @ %d ms\n",
392 (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
393 (ret == 0) ? "succeed" : "failed",
394 i, adev->usec_timeout/1000);
395 return ret;
396 }
397
398
psp_v14_0_memory_training(struct psp_context * psp,uint32_t ops)399 static int psp_v14_0_memory_training(struct psp_context *psp, uint32_t ops)
400 {
401 struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
402 uint32_t *pcache = (uint32_t *)ctx->sys_cache;
403 struct amdgpu_device *adev = psp->adev;
404 uint32_t p2c_header[4];
405 uint32_t sz;
406 void *buf;
407 int ret, idx;
408
409 if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
410 dev_dbg(adev->dev, "Memory training is not supported.\n");
411 return 0;
412 } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
413 dev_err(adev->dev, "Memory training initialization failure.\n");
414 return -EINVAL;
415 }
416
417 if (psp_v14_0_is_sos_alive(psp)) {
418 dev_dbg(adev->dev, "SOS is alive, skip memory training.\n");
419 return 0;
420 }
421
422 amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
423 dev_dbg(adev->dev, "sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
424 pcache[0], pcache[1], pcache[2], pcache[3],
425 p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
426
427 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
428 dev_dbg(adev->dev, "Short training depends on restore.\n");
429 ops |= PSP_MEM_TRAIN_RESTORE;
430 }
431
432 if ((ops & PSP_MEM_TRAIN_RESTORE) &&
433 pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
434 dev_dbg(adev->dev, "sys_cache[0] is invalid, restore depends on save.\n");
435 ops |= PSP_MEM_TRAIN_SAVE;
436 }
437
438 if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
439 !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
440 pcache[3] == p2c_header[3])) {
441 dev_dbg(adev->dev, "sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
442 ops |= PSP_MEM_TRAIN_SAVE;
443 }
444
445 if ((ops & PSP_MEM_TRAIN_SAVE) &&
446 p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
447 dev_dbg(adev->dev, "p2c_header[0] is invalid, save depends on long training.\n");
448 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
449 }
450
451 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
452 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
453 ops |= PSP_MEM_TRAIN_SAVE;
454 }
455
456 dev_dbg(adev->dev, "Memory training ops:%x.\n", ops);
457
458 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
459 /*
460 * Long training will encroach a certain amount on the bottom of VRAM;
461 * save the content from the bottom of VRAM to system memory
462 * before training, and restore it after training to avoid
463 * VRAM corruption.
464 */
465 sz = BIST_MEM_TRAINING_ENCROACHED_SIZE;
466
467 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
468 dev_err(adev->dev, "visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
469 adev->gmc.visible_vram_size,
470 adev->mman.aper_base_kaddr);
471 return -EINVAL;
472 }
473
474 buf = vmalloc(sz);
475 if (!buf) {
476 dev_err(adev->dev, "failed to allocate system memory.\n");
477 return -ENOMEM;
478 }
479
480 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
481 memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
482 ret = psp_v14_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
483 if (ret) {
484 DRM_ERROR("Send long training msg failed.\n");
485 vfree(buf);
486 drm_dev_exit(idx);
487 return ret;
488 }
489
490 memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
491 adev->hdp.funcs->flush_hdp(adev, NULL);
492 vfree(buf);
493 drm_dev_exit(idx);
494 } else {
495 vfree(buf);
496 return -ENODEV;
497 }
498 }
499
500 if (ops & PSP_MEM_TRAIN_SAVE) {
501 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
502 }
503
504 if (ops & PSP_MEM_TRAIN_RESTORE) {
505 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
506 }
507
508 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
509 ret = psp_v14_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
510 PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
511 if (ret) {
512 dev_err(adev->dev, "send training msg failed.\n");
513 return ret;
514 }
515 }
516 ctx->training_cnt++;
517 return 0;
518 }
519
psp_v14_0_load_usbc_pd_fw(struct psp_context * psp,uint64_t fw_pri_mc_addr)520 static int psp_v14_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr)
521 {
522 struct amdgpu_device *adev = psp->adev;
523 uint32_t reg_status;
524 int ret, i = 0;
525
526 /*
527 * LFB address which is aligned to 1MB address and has to be
528 * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P
529 * register
530 */
531 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20));
532
533 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
534 0x80000000, 0x80000000, false);
535 if (ret)
536 return ret;
537
538 /* Fireup interrupt so PSP can pick up the address */
539 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16));
540
541 /* FW load takes very long time */
542 do {
543 msleep(1000);
544 reg_status = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35);
545
546 if (reg_status & 0x80000000)
547 goto done;
548
549 } while (++i < USBC_PD_POLLING_LIMIT_S);
550
551 return -ETIME;
552 done:
553
554 if ((reg_status & 0xFFFF) != 0) {
555 DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %04x\n",
556 reg_status & 0xFFFF);
557 return -EIO;
558 }
559
560 return 0;
561 }
562
psp_v14_0_read_usbc_pd_fw(struct psp_context * psp,uint32_t * fw_ver)563 static int psp_v14_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
564 {
565 struct amdgpu_device *adev = psp->adev;
566 int ret;
567
568 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
569
570 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
571 0x80000000, 0x80000000, false);
572 if (!ret)
573 *fw_ver = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36);
574
575 return ret;
576 }
577
psp_v14_0_exec_spi_cmd(struct psp_context * psp,int cmd)578 static int psp_v14_0_exec_spi_cmd(struct psp_context *psp, int cmd)
579 {
580 uint32_t reg_status = 0, reg_val = 0;
581 struct amdgpu_device *adev = psp->adev;
582 int ret;
583
584 /* clear MBX ready (MBOX_READY_MASK bit is 0) and set update command */
585 reg_val |= (cmd << 16);
586 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115, reg_val);
587
588 /* Ring the doorbell */
589 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_73, 1);
590
591 if (cmd == C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE)
592 ret = psp_wait_for_spirom_update(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
593 MBOX_READY_FLAG, MBOX_READY_MASK, PSP_SPIROM_UPDATE_TIMEOUT);
594 else
595 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
596 MBOX_READY_FLAG, MBOX_READY_MASK, false);
597
598 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
599 MBOX_READY_FLAG, MBOX_READY_MASK, false);
600 if (ret) {
601 dev_err(adev->dev, "SPI cmd %x timed out, ret = %d", cmd, ret);
602 return ret;
603 }
604
605 reg_status = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115);
606 if ((reg_status & 0xFFFF) != 0) {
607 dev_err(adev->dev, "SPI cmd %x failed, fail status = %04x\n",
608 cmd, reg_status & 0xFFFF);
609 return -EIO;
610 }
611
612 return 0;
613 }
614
psp_v14_0_update_spirom(struct psp_context * psp,uint64_t fw_pri_mc_addr)615 static int psp_v14_0_update_spirom(struct psp_context *psp,
616 uint64_t fw_pri_mc_addr)
617 {
618 struct amdgpu_device *adev = psp->adev;
619 int ret;
620
621 /* Confirm PSP is ready to start */
622 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
623 MBOX_READY_FLAG, MBOX_READY_MASK, false);
624 if (ret) {
625 dev_err(adev->dev, "PSP Not ready to start processing, ret = %d", ret);
626 return ret;
627 }
628
629 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_116, lower_32_bits(fw_pri_mc_addr));
630
631 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO);
632 if (ret)
633 return ret;
634
635 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_116, upper_32_bits(fw_pri_mc_addr));
636
637 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI);
638 if (ret)
639 return ret;
640
641 psp->vbflash_done = true;
642
643 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE);
644 if (ret)
645 return ret;
646
647 return 0;
648 }
649
psp_v14_0_vbflash_status(struct psp_context * psp)650 static int psp_v14_0_vbflash_status(struct psp_context *psp)
651 {
652 struct amdgpu_device *adev = psp->adev;
653
654 return RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115);
655 }
656
657 static const struct psp_funcs psp_v14_0_funcs = {
658 .init_microcode = psp_v14_0_init_microcode,
659 .bootloader_load_kdb = psp_v14_0_bootloader_load_kdb,
660 .bootloader_load_spl = psp_v14_0_bootloader_load_spl,
661 .bootloader_load_sysdrv = psp_v14_0_bootloader_load_sysdrv,
662 .bootloader_load_soc_drv = psp_v14_0_bootloader_load_soc_drv,
663 .bootloader_load_intf_drv = psp_v14_0_bootloader_load_intf_drv,
664 .bootloader_load_dbg_drv = psp_v14_0_bootloader_load_dbg_drv,
665 .bootloader_load_ras_drv = psp_v14_0_bootloader_load_ras_drv,
666 .bootloader_load_ipkeymgr_drv = psp_v14_0_bootloader_load_ipkeymgr_drv,
667 .bootloader_load_sos = psp_v14_0_bootloader_load_sos,
668 .ring_create = psp_v14_0_ring_create,
669 .ring_stop = psp_v14_0_ring_stop,
670 .ring_destroy = psp_v14_0_ring_destroy,
671 .ring_get_wptr = psp_v14_0_ring_get_wptr,
672 .ring_set_wptr = psp_v14_0_ring_set_wptr,
673 .mem_training = psp_v14_0_memory_training,
674 .load_usbc_pd_fw = psp_v14_0_load_usbc_pd_fw,
675 .read_usbc_pd_fw = psp_v14_0_read_usbc_pd_fw,
676 .update_spirom = psp_v14_0_update_spirom,
677 .vbflash_stat = psp_v14_0_vbflash_status
678 };
679
psp_v14_0_set_psp_funcs(struct psp_context * psp)680 void psp_v14_0_set_psp_funcs(struct psp_context *psp)
681 {
682 psp->funcs = &psp_v14_0_funcs;
683 }
684