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1 | /* |
2 | * Copyright 2014 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 | ||
24 | #include <linux/firmware.h> | |
25 | #include "drmP.h" | |
26 | #include "amdgpu.h" | |
27 | #include "tonga_ppsmc.h" | |
28 | #include "tonga_smumgr.h" | |
29 | #include "smu_ucode_xfer_vi.h" | |
30 | #include "amdgpu_ucode.h" | |
31 | ||
32 | #include "smu/smu_7_1_2_d.h" | |
33 | #include "smu/smu_7_1_2_sh_mask.h" | |
34 | ||
35 | #define TONGA_SMC_SIZE 0x20000 | |
36 | ||
37 | static int tonga_set_smc_sram_address(struct amdgpu_device *adev, uint32_t smc_address, uint32_t limit) | |
38 | { | |
39 | uint32_t val; | |
40 | ||
41 | if (smc_address & 3) | |
42 | return -EINVAL; | |
43 | ||
44 | if ((smc_address + 3) > limit) | |
45 | return -EINVAL; | |
46 | ||
47 | WREG32(mmSMC_IND_INDEX_0, smc_address); | |
48 | ||
49 | val = RREG32(mmSMC_IND_ACCESS_CNTL); | |
50 | val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0); | |
51 | WREG32(mmSMC_IND_ACCESS_CNTL, val); | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | static int tonga_copy_bytes_to_smc(struct amdgpu_device *adev, uint32_t smc_start_address, const uint8_t *src, uint32_t byte_count, uint32_t limit) | |
57 | { | |
58 | uint32_t addr; | |
59 | uint32_t data, orig_data; | |
60 | int result = 0; | |
61 | uint32_t extra_shift; | |
62 | unsigned long flags; | |
63 | ||
64 | if (smc_start_address & 3) | |
65 | return -EINVAL; | |
66 | ||
67 | if ((smc_start_address + byte_count) > limit) | |
68 | return -EINVAL; | |
69 | ||
70 | addr = smc_start_address; | |
71 | ||
72 | spin_lock_irqsave(&adev->smc_idx_lock, flags); | |
73 | while (byte_count >= 4) { | |
74 | /* Bytes are written into the SMC addres space with the MSB first */ | |
75 | data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3]; | |
76 | ||
77 | result = tonga_set_smc_sram_address(adev, addr, limit); | |
78 | ||
79 | if (result) | |
80 | goto out; | |
81 | ||
82 | WREG32(mmSMC_IND_DATA_0, data); | |
83 | ||
84 | src += 4; | |
85 | byte_count -= 4; | |
86 | addr += 4; | |
87 | } | |
88 | ||
89 | if (0 != byte_count) { | |
90 | /* Now write odd bytes left, do a read modify write cycle */ | |
91 | data = 0; | |
92 | ||
93 | result = tonga_set_smc_sram_address(adev, addr, limit); | |
94 | if (result) | |
95 | goto out; | |
96 | ||
97 | orig_data = RREG32(mmSMC_IND_DATA_0); | |
98 | extra_shift = 8 * (4 - byte_count); | |
99 | ||
100 | while (byte_count > 0) { | |
101 | data = (data << 8) + *src++; | |
102 | byte_count--; | |
103 | } | |
104 | ||
105 | data <<= extra_shift; | |
106 | data |= (orig_data & ~((~0UL) << extra_shift)); | |
107 | ||
108 | result = tonga_set_smc_sram_address(adev, addr, limit); | |
109 | if (result) | |
110 | goto out; | |
111 | ||
112 | WREG32(mmSMC_IND_DATA_0, data); | |
113 | } | |
114 | ||
115 | out: | |
116 | spin_unlock_irqrestore(&adev->smc_idx_lock, flags); | |
117 | return result; | |
118 | } | |
119 | ||
120 | static int tonga_program_jump_on_start(struct amdgpu_device *adev) | |
121 | { | |
122 | static unsigned char data[] = {0xE0, 0x00, 0x80, 0x40}; | |
123 | tonga_copy_bytes_to_smc(adev, 0x0, data, 4, sizeof(data)+1); | |
124 | ||
125 | return 0; | |
126 | } | |
127 | ||
128 | static bool tonga_is_smc_ram_running(struct amdgpu_device *adev) | |
129 | { | |
130 | uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); | |
131 | val = REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable); | |
132 | ||
133 | return ((0 == val) && (0x20100 <= RREG32_SMC(ixSMC_PC_C))); | |
134 | } | |
135 | ||
136 | static int wait_smu_response(struct amdgpu_device *adev) | |
137 | { | |
138 | int i; | |
139 | uint32_t val; | |
140 | ||
141 | for (i = 0; i < adev->usec_timeout; i++) { | |
142 | val = RREG32(mmSMC_RESP_0); | |
143 | if (REG_GET_FIELD(val, SMC_RESP_0, SMC_RESP)) | |
144 | break; | |
145 | udelay(1); | |
146 | } | |
147 | ||
148 | if (i == adev->usec_timeout) | |
149 | return -EINVAL; | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
154 | static int tonga_send_msg_to_smc_offset(struct amdgpu_device *adev) | |
155 | { | |
156 | if (wait_smu_response(adev)) { | |
157 | DRM_ERROR("Failed to send previous message\n"); | |
158 | return -EINVAL; | |
159 | } | |
160 | ||
161 | WREG32(mmSMC_MSG_ARG_0, 0x20000); | |
162 | WREG32(mmSMC_MESSAGE_0, PPSMC_MSG_Test); | |
163 | ||
164 | if (wait_smu_response(adev)) { | |
165 | DRM_ERROR("Failed to send message\n"); | |
166 | return -EINVAL; | |
167 | } | |
168 | ||
169 | return 0; | |
170 | } | |
171 | ||
172 | static int tonga_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg) | |
173 | { | |
174 | if (!tonga_is_smc_ram_running(adev)) | |
175 | { | |
176 | return -EINVAL;; | |
177 | } | |
178 | ||
179 | if (wait_smu_response(adev)) { | |
180 | DRM_ERROR("Failed to send previous message\n"); | |
181 | return -EINVAL; | |
182 | } | |
183 | ||
184 | WREG32(mmSMC_MESSAGE_0, msg); | |
185 | ||
186 | if (wait_smu_response(adev)) { | |
187 | DRM_ERROR("Failed to send message\n"); | |
188 | return -EINVAL; | |
189 | } | |
190 | ||
191 | return 0; | |
192 | } | |
193 | ||
194 | static int tonga_send_msg_to_smc_without_waiting(struct amdgpu_device *adev, | |
195 | PPSMC_Msg msg) | |
196 | { | |
197 | if (wait_smu_response(adev)) { | |
198 | DRM_ERROR("Failed to send previous message\n"); | |
199 | return -EINVAL; | |
200 | } | |
201 | ||
202 | WREG32(mmSMC_MESSAGE_0, msg); | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
207 | static int tonga_send_msg_to_smc_with_parameter(struct amdgpu_device *adev, | |
208 | PPSMC_Msg msg, | |
209 | uint32_t parameter) | |
210 | { | |
211 | if (!tonga_is_smc_ram_running(adev)) | |
212 | return -EINVAL; | |
213 | ||
214 | if (wait_smu_response(adev)) { | |
215 | DRM_ERROR("Failed to send previous message\n"); | |
216 | return -EINVAL; | |
217 | } | |
218 | ||
219 | WREG32(mmSMC_MSG_ARG_0, parameter); | |
220 | ||
221 | return tonga_send_msg_to_smc(adev, msg); | |
222 | } | |
223 | ||
224 | static int tonga_send_msg_to_smc_with_parameter_without_waiting( | |
225 | struct amdgpu_device *adev, | |
226 | PPSMC_Msg msg, uint32_t parameter) | |
227 | { | |
228 | if (wait_smu_response(adev)) { | |
229 | DRM_ERROR("Failed to send previous message\n"); | |
230 | return -EINVAL; | |
231 | } | |
232 | ||
233 | WREG32(mmSMC_MSG_ARG_0, parameter); | |
234 | ||
235 | return tonga_send_msg_to_smc_without_waiting(adev, msg); | |
236 | } | |
237 | ||
238 | #if 0 /* not used yet */ | |
239 | static int tonga_wait_for_smc_inactive(struct amdgpu_device *adev) | |
240 | { | |
241 | int i; | |
242 | uint32_t val; | |
243 | ||
244 | if (!tonga_is_smc_ram_running(adev)) | |
245 | return -EINVAL; | |
246 | ||
247 | for (i = 0; i < adev->usec_timeout; i++) { | |
248 | val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); | |
249 | if (REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, cken) == 0) | |
250 | break; | |
251 | udelay(1); | |
252 | } | |
253 | ||
254 | if (i == adev->usec_timeout) | |
255 | return -EINVAL; | |
256 | ||
257 | return 0; | |
258 | } | |
259 | #endif | |
260 | ||
261 | static int tonga_smu_upload_firmware_image(struct amdgpu_device *adev) | |
262 | { | |
263 | const struct smc_firmware_header_v1_0 *hdr; | |
264 | uint32_t ucode_size; | |
265 | uint32_t ucode_start_address; | |
266 | const uint8_t *src; | |
267 | uint32_t val; | |
268 | uint32_t byte_count; | |
269 | uint32_t *data; | |
270 | unsigned long flags; | |
271 | ||
272 | if (!adev->pm.fw) | |
273 | return -EINVAL; | |
274 | ||
275 | hdr = (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data; | |
276 | amdgpu_ucode_print_smc_hdr(&hdr->header); | |
277 | ||
278 | adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version); | |
279 | ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); | |
280 | ucode_start_address = le32_to_cpu(hdr->ucode_start_addr); | |
281 | src = (const uint8_t *) | |
282 | (adev->pm.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
283 | ||
284 | if (ucode_size & 3) { | |
285 | DRM_ERROR("SMC ucode is not 4 bytes aligned\n"); | |
286 | return -EINVAL; | |
287 | } | |
288 | ||
289 | if (ucode_size > TONGA_SMC_SIZE) { | |
290 | DRM_ERROR("SMC address is beyond the SMC RAM area\n"); | |
291 | return -EINVAL; | |
292 | } | |
293 | ||
294 | spin_lock_irqsave(&adev->smc_idx_lock, flags); | |
295 | WREG32(mmSMC_IND_INDEX_0, ucode_start_address); | |
296 | ||
297 | val = RREG32(mmSMC_IND_ACCESS_CNTL); | |
298 | val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1); | |
299 | WREG32(mmSMC_IND_ACCESS_CNTL, val); | |
300 | ||
301 | byte_count = ucode_size; | |
302 | data = (uint32_t *)src; | |
303 | for (; byte_count >= 4; data++, byte_count -= 4) | |
304 | WREG32(mmSMC_IND_DATA_0, data[0]); | |
305 | ||
306 | val = RREG32(mmSMC_IND_ACCESS_CNTL); | |
307 | val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0); | |
308 | WREG32(mmSMC_IND_ACCESS_CNTL, val); | |
309 | spin_unlock_irqrestore(&adev->smc_idx_lock, flags); | |
310 | ||
311 | return 0; | |
312 | } | |
313 | ||
314 | #if 0 /* not used yet */ | |
315 | static int tonga_read_smc_sram_dword(struct amdgpu_device *adev, | |
316 | uint32_t smc_address, | |
317 | uint32_t *value, | |
318 | uint32_t limit) | |
319 | { | |
320 | int result; | |
321 | unsigned long flags; | |
322 | ||
323 | spin_lock_irqsave(&adev->smc_idx_lock, flags); | |
324 | result = tonga_set_smc_sram_address(adev, smc_address, limit); | |
325 | if (result == 0) | |
326 | *value = RREG32(mmSMC_IND_DATA_0); | |
327 | spin_unlock_irqrestore(&adev->smc_idx_lock, flags); | |
328 | return result; | |
329 | } | |
330 | ||
331 | static int tonga_write_smc_sram_dword(struct amdgpu_device *adev, | |
332 | uint32_t smc_address, | |
333 | uint32_t value, | |
334 | uint32_t limit) | |
335 | { | |
336 | int result; | |
337 | unsigned long flags; | |
338 | ||
339 | spin_lock_irqsave(&adev->smc_idx_lock, flags); | |
340 | result = tonga_set_smc_sram_address(adev, smc_address, limit); | |
341 | if (result == 0) | |
342 | WREG32(mmSMC_IND_DATA_0, value); | |
343 | spin_unlock_irqrestore(&adev->smc_idx_lock, flags); | |
344 | return result; | |
345 | } | |
346 | ||
347 | static int tonga_smu_stop_smc(struct amdgpu_device *adev) | |
348 | { | |
349 | uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL); | |
350 | val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1); | |
351 | WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val); | |
352 | ||
353 | val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); | |
354 | val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 1); | |
355 | WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val); | |
356 | ||
357 | return 0; | |
358 | } | |
359 | #endif | |
360 | ||
361 | static enum AMDGPU_UCODE_ID tonga_convert_fw_type(uint32_t fw_type) | |
362 | { | |
363 | switch (fw_type) { | |
364 | case UCODE_ID_SDMA0: | |
365 | return AMDGPU_UCODE_ID_SDMA0; | |
366 | case UCODE_ID_SDMA1: | |
367 | return AMDGPU_UCODE_ID_SDMA1; | |
368 | case UCODE_ID_CP_CE: | |
369 | return AMDGPU_UCODE_ID_CP_CE; | |
370 | case UCODE_ID_CP_PFP: | |
371 | return AMDGPU_UCODE_ID_CP_PFP; | |
372 | case UCODE_ID_CP_ME: | |
373 | return AMDGPU_UCODE_ID_CP_ME; | |
374 | case UCODE_ID_CP_MEC: | |
375 | case UCODE_ID_CP_MEC_JT1: | |
376 | return AMDGPU_UCODE_ID_CP_MEC1; | |
377 | case UCODE_ID_CP_MEC_JT2: | |
378 | return AMDGPU_UCODE_ID_CP_MEC2; | |
379 | case UCODE_ID_RLC_G: | |
380 | return AMDGPU_UCODE_ID_RLC_G; | |
381 | default: | |
382 | DRM_ERROR("ucode type is out of range!\n"); | |
383 | return AMDGPU_UCODE_ID_MAXIMUM; | |
384 | } | |
385 | } | |
386 | ||
387 | static int tonga_smu_populate_single_firmware_entry(struct amdgpu_device *adev, | |
388 | uint32_t fw_type, | |
389 | struct SMU_Entry *entry) | |
390 | { | |
391 | enum AMDGPU_UCODE_ID id = tonga_convert_fw_type(fw_type); | |
392 | struct amdgpu_firmware_info *ucode = &adev->firmware.ucode[id]; | |
393 | const struct gfx_firmware_header_v1_0 *header = NULL; | |
394 | uint64_t gpu_addr; | |
395 | uint32_t data_size; | |
396 | ||
397 | if (ucode->fw == NULL) | |
398 | return -EINVAL; | |
399 | ||
400 | gpu_addr = ucode->mc_addr; | |
401 | header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data; | |
402 | data_size = le32_to_cpu(header->header.ucode_size_bytes); | |
403 | ||
404 | if ((fw_type == UCODE_ID_CP_MEC_JT1) || | |
405 | (fw_type == UCODE_ID_CP_MEC_JT2)) { | |
406 | gpu_addr += le32_to_cpu(header->jt_offset) << 2; | |
407 | data_size = le32_to_cpu(header->jt_size) << 2; | |
408 | } | |
409 | ||
410 | entry->version = (uint16_t)le32_to_cpu(header->header.ucode_version); | |
411 | entry->id = (uint16_t)fw_type; | |
412 | entry->image_addr_high = upper_32_bits(gpu_addr); | |
413 | entry->image_addr_low = lower_32_bits(gpu_addr); | |
414 | entry->meta_data_addr_high = 0; | |
415 | entry->meta_data_addr_low = 0; | |
416 | entry->data_size_byte = data_size; | |
417 | entry->num_register_entries = 0; | |
418 | ||
419 | if (fw_type == UCODE_ID_RLC_G) | |
420 | entry->flags = 1; | |
421 | else | |
422 | entry->flags = 0; | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
427 | static int tonga_smu_request_load_fw(struct amdgpu_device *adev) | |
428 | { | |
429 | struct tonga_smu_private_data *private = (struct tonga_smu_private_data *)adev->smu.priv; | |
430 | struct SMU_DRAMData_TOC *toc; | |
431 | uint32_t fw_to_load; | |
432 | ||
433 | WREG32_SMC(ixSOFT_REGISTERS_TABLE_28, 0); | |
434 | ||
435 | tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_HI, private->smu_buffer_addr_high); | |
436 | tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_LO, private->smu_buffer_addr_low); | |
437 | ||
438 | toc = (struct SMU_DRAMData_TOC *)private->header; | |
439 | toc->num_entries = 0; | |
440 | toc->structure_version = 1; | |
441 | ||
442 | if (!adev->firmware.smu_load) | |
443 | return 0; | |
444 | ||
445 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_RLC_G, | |
446 | &toc->entry[toc->num_entries++])) { | |
447 | DRM_ERROR("Failed to get firmware entry for RLC\n"); | |
448 | return -EINVAL; | |
449 | } | |
450 | ||
451 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_CE, | |
452 | &toc->entry[toc->num_entries++])) { | |
453 | DRM_ERROR("Failed to get firmware entry for CE\n"); | |
454 | return -EINVAL; | |
455 | } | |
456 | ||
457 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_PFP, | |
458 | &toc->entry[toc->num_entries++])) { | |
459 | DRM_ERROR("Failed to get firmware entry for PFP\n"); | |
460 | return -EINVAL; | |
461 | } | |
462 | ||
463 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_ME, | |
464 | &toc->entry[toc->num_entries++])) { | |
465 | DRM_ERROR("Failed to get firmware entry for ME\n"); | |
466 | return -EINVAL; | |
467 | } | |
468 | ||
469 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC, | |
470 | &toc->entry[toc->num_entries++])) { | |
471 | DRM_ERROR("Failed to get firmware entry for MEC\n"); | |
472 | return -EINVAL; | |
473 | } | |
474 | ||
475 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT1, | |
476 | &toc->entry[toc->num_entries++])) { | |
477 | DRM_ERROR("Failed to get firmware entry for MEC_JT1\n"); | |
478 | return -EINVAL; | |
479 | } | |
480 | ||
481 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT2, | |
482 | &toc->entry[toc->num_entries++])) { | |
483 | DRM_ERROR("Failed to get firmware entry for MEC_JT2\n"); | |
484 | return -EINVAL; | |
485 | } | |
486 | ||
487 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA0, | |
488 | &toc->entry[toc->num_entries++])) { | |
489 | DRM_ERROR("Failed to get firmware entry for SDMA0\n"); | |
490 | return -EINVAL; | |
491 | } | |
492 | ||
493 | if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA1, | |
494 | &toc->entry[toc->num_entries++])) { | |
495 | DRM_ERROR("Failed to get firmware entry for SDMA1\n"); | |
496 | return -EINVAL; | |
497 | } | |
498 | ||
499 | tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_HI, private->header_addr_high); | |
500 | tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_LO, private->header_addr_low); | |
501 | ||
502 | fw_to_load = UCODE_ID_RLC_G_MASK | | |
503 | UCODE_ID_SDMA0_MASK | | |
504 | UCODE_ID_SDMA1_MASK | | |
505 | UCODE_ID_CP_CE_MASK | | |
506 | UCODE_ID_CP_ME_MASK | | |
507 | UCODE_ID_CP_PFP_MASK | | |
508 | UCODE_ID_CP_MEC_MASK; | |
509 | ||
510 | if (tonga_send_msg_to_smc_with_parameter_without_waiting(adev, PPSMC_MSG_LoadUcodes, fw_to_load)) { | |
511 | DRM_ERROR("Fail to request SMU load ucode\n"); | |
512 | return -EINVAL; | |
513 | } | |
514 | ||
515 | return 0; | |
516 | } | |
517 | ||
518 | static uint32_t tonga_smu_get_mask_for_fw_type(uint32_t fw_type) | |
519 | { | |
520 | switch (fw_type) { | |
521 | case AMDGPU_UCODE_ID_SDMA0: | |
522 | return UCODE_ID_SDMA0_MASK; | |
523 | case AMDGPU_UCODE_ID_SDMA1: | |
524 | return UCODE_ID_SDMA1_MASK; | |
525 | case AMDGPU_UCODE_ID_CP_CE: | |
526 | return UCODE_ID_CP_CE_MASK; | |
527 | case AMDGPU_UCODE_ID_CP_PFP: | |
528 | return UCODE_ID_CP_PFP_MASK; | |
529 | case AMDGPU_UCODE_ID_CP_ME: | |
530 | return UCODE_ID_CP_ME_MASK; | |
531 | case AMDGPU_UCODE_ID_CP_MEC1: | |
532 | return UCODE_ID_CP_MEC_MASK; | |
533 | case AMDGPU_UCODE_ID_CP_MEC2: | |
534 | return UCODE_ID_CP_MEC_MASK; | |
535 | case AMDGPU_UCODE_ID_RLC_G: | |
536 | return UCODE_ID_RLC_G_MASK; | |
537 | default: | |
538 | DRM_ERROR("ucode type is out of range!\n"); | |
539 | return 0; | |
540 | } | |
541 | } | |
542 | ||
543 | static int tonga_smu_check_fw_load_finish(struct amdgpu_device *adev, | |
544 | uint32_t fw_type) | |
545 | { | |
546 | uint32_t fw_mask = tonga_smu_get_mask_for_fw_type(fw_type); | |
547 | int i; | |
548 | ||
549 | for (i = 0; i < adev->usec_timeout; i++) { | |
550 | if (fw_mask == (RREG32_SMC(ixSOFT_REGISTERS_TABLE_28) & fw_mask)) | |
551 | break; | |
552 | udelay(1); | |
553 | } | |
554 | ||
555 | if (i == adev->usec_timeout) { | |
556 | DRM_ERROR("check firmware loading failed\n"); | |
557 | return -EINVAL; | |
558 | } | |
559 | ||
560 | return 0; | |
561 | } | |
562 | ||
563 | static int tonga_smu_start_in_protection_mode(struct amdgpu_device *adev) | |
564 | { | |
565 | int result; | |
566 | uint32_t val; | |
567 | int i; | |
568 | ||
569 | /* Assert reset */ | |
570 | val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL); | |
571 | val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1); | |
572 | WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val); | |
573 | ||
574 | result = tonga_smu_upload_firmware_image(adev); | |
575 | if (result) | |
576 | return result; | |
577 | ||
578 | /* Clear status */ | |
579 | WREG32_SMC(ixSMU_STATUS, 0); | |
580 | ||
581 | /* Enable clock */ | |
582 | val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); | |
583 | val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); | |
584 | WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val); | |
585 | ||
586 | /* De-assert reset */ | |
587 | val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL); | |
588 | val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0); | |
589 | WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val); | |
590 | ||
591 | /* Set SMU Auto Start */ | |
592 | val = RREG32_SMC(ixSMU_INPUT_DATA); | |
593 | val = REG_SET_FIELD(val, SMU_INPUT_DATA, AUTO_START, 1); | |
594 | WREG32_SMC(ixSMU_INPUT_DATA, val); | |
595 | ||
596 | /* Clear firmware interrupt enable flag */ | |
597 | WREG32_SMC(ixFIRMWARE_FLAGS, 0); | |
598 | ||
599 | for (i = 0; i < adev->usec_timeout; i++) { | |
600 | val = RREG32_SMC(ixRCU_UC_EVENTS); | |
601 | if (REG_GET_FIELD(val, RCU_UC_EVENTS, INTERRUPTS_ENABLED)) | |
602 | break; | |
603 | udelay(1); | |
604 | } | |
605 | ||
606 | if (i == adev->usec_timeout) { | |
607 | DRM_ERROR("Interrupt is not enabled by firmware\n"); | |
608 | return -EINVAL; | |
609 | } | |
610 | ||
611 | /* Call Test SMU message with 0x20000 offset | |
612 | * to trigger SMU start | |
613 | */ | |
614 | tonga_send_msg_to_smc_offset(adev); | |
615 | ||
616 | /* Wait for done bit to be set */ | |
617 | for (i = 0; i < adev->usec_timeout; i++) { | |
618 | val = RREG32_SMC(ixSMU_STATUS); | |
619 | if (REG_GET_FIELD(val, SMU_STATUS, SMU_DONE)) | |
620 | break; | |
621 | udelay(1); | |
622 | } | |
623 | ||
624 | if (i == adev->usec_timeout) { | |
625 | DRM_ERROR("Timeout for SMU start\n"); | |
626 | return -EINVAL; | |
627 | } | |
628 | ||
629 | /* Check pass/failed indicator */ | |
630 | val = RREG32_SMC(ixSMU_STATUS); | |
631 | if (!REG_GET_FIELD(val, SMU_STATUS, SMU_PASS)) { | |
632 | DRM_ERROR("SMU Firmware start failed\n"); | |
633 | return -EINVAL; | |
634 | } | |
635 | ||
636 | /* Wait for firmware to initialize */ | |
637 | for (i = 0; i < adev->usec_timeout; i++) { | |
638 | val = RREG32_SMC(ixFIRMWARE_FLAGS); | |
639 | if(REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED)) | |
640 | break; | |
641 | udelay(1); | |
642 | } | |
643 | ||
644 | if (i == adev->usec_timeout) { | |
645 | DRM_ERROR("SMU firmware initialization failed\n"); | |
646 | return -EINVAL; | |
647 | } | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
652 | static int tonga_smu_start_in_non_protection_mode(struct amdgpu_device *adev) | |
653 | { | |
654 | int i, result; | |
655 | uint32_t val; | |
656 | ||
657 | /* wait for smc boot up */ | |
658 | for (i = 0; i < adev->usec_timeout; i++) { | |
659 | val = RREG32_SMC(ixRCU_UC_EVENTS); | |
660 | val = REG_GET_FIELD(val, RCU_UC_EVENTS, boot_seq_done); | |
661 | if (val) | |
662 | break; | |
663 | udelay(1); | |
664 | } | |
665 | ||
666 | if (i == adev->usec_timeout) { | |
667 | DRM_ERROR("SMC boot sequence is not completed\n"); | |
668 | return -EINVAL; | |
669 | } | |
670 | ||
671 | /* Clear firmware interrupt enable flag */ | |
672 | WREG32_SMC(ixFIRMWARE_FLAGS, 0); | |
673 | ||
674 | /* Assert reset */ | |
675 | val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL); | |
676 | val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1); | |
677 | WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val); | |
678 | ||
679 | result = tonga_smu_upload_firmware_image(adev); | |
680 | if (result) | |
681 | return result; | |
682 | ||
683 | /* Set smc instruct start point at 0x0 */ | |
684 | tonga_program_jump_on_start(adev); | |
685 | ||
686 | /* Enable clock */ | |
687 | val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); | |
688 | val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); | |
689 | WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val); | |
690 | ||
691 | /* De-assert reset */ | |
692 | val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL); | |
693 | val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0); | |
694 | WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val); | |
695 | ||
696 | /* Wait for firmware to initialize */ | |
697 | for (i = 0; i < adev->usec_timeout; i++) { | |
698 | val = RREG32_SMC(ixFIRMWARE_FLAGS); | |
699 | if (REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED)) | |
700 | break; | |
701 | udelay(1); | |
702 | } | |
703 | ||
704 | if (i == adev->usec_timeout) { | |
705 | DRM_ERROR("Timeout for SMC firmware initialization\n"); | |
706 | return -EINVAL; | |
707 | } | |
708 | ||
709 | return 0; | |
710 | } | |
711 | ||
712 | int tonga_smu_start(struct amdgpu_device *adev) | |
713 | { | |
714 | int result; | |
715 | uint32_t val; | |
716 | ||
717 | if (!tonga_is_smc_ram_running(adev)) { | |
718 | val = RREG32_SMC(ixSMU_FIRMWARE); | |
719 | if (!REG_GET_FIELD(val, SMU_FIRMWARE, SMU_MODE)) { | |
720 | result = tonga_smu_start_in_non_protection_mode(adev); | |
721 | if (result) | |
722 | return result; | |
723 | } else { | |
724 | result = tonga_smu_start_in_protection_mode(adev); | |
725 | if (result) | |
726 | return result; | |
727 | } | |
728 | } | |
729 | ||
730 | return tonga_smu_request_load_fw(adev); | |
731 | } | |
732 | ||
733 | static const struct amdgpu_smumgr_funcs tonga_smumgr_funcs = { | |
734 | .check_fw_load_finish = tonga_smu_check_fw_load_finish, | |
735 | .request_smu_load_fw = NULL, | |
736 | .request_smu_specific_fw = NULL, | |
737 | }; | |
738 | ||
739 | int tonga_smu_init(struct amdgpu_device *adev) | |
740 | { | |
741 | struct tonga_smu_private_data *private; | |
742 | uint32_t image_size = ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096; | |
743 | uint32_t smu_internal_buffer_size = 200*4096; | |
744 | struct amdgpu_bo **toc_buf = &adev->smu.toc_buf; | |
745 | struct amdgpu_bo **smu_buf = &adev->smu.smu_buf; | |
746 | uint64_t mc_addr; | |
747 | void *toc_buf_ptr; | |
748 | void *smu_buf_ptr; | |
749 | int ret; | |
750 | ||
751 | private = kzalloc(sizeof(struct tonga_smu_private_data), GFP_KERNEL); | |
752 | if (NULL == private) | |
753 | return -ENOMEM; | |
754 | ||
755 | /* allocate firmware buffers */ | |
756 | if (adev->firmware.smu_load) | |
757 | amdgpu_ucode_init_bo(adev); | |
758 | ||
759 | adev->smu.priv = private; | |
760 | adev->smu.fw_flags = 0; | |
761 | ||
762 | /* Allocate FW image data structure and header buffer */ | |
763 | ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE, | |
857d913d AD |
764 | true, AMDGPU_GEM_DOMAIN_VRAM, |
765 | AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, | |
72d7668b | 766 | NULL, NULL, toc_buf); |
aaa36a97 AD |
767 | if (ret) { |
768 | DRM_ERROR("Failed to allocate memory for TOC buffer\n"); | |
769 | return -ENOMEM; | |
770 | } | |
771 | ||
772 | /* Allocate buffer for SMU internal buffer */ | |
773 | ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE, | |
857d913d AD |
774 | true, AMDGPU_GEM_DOMAIN_VRAM, |
775 | AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, | |
72d7668b | 776 | NULL, NULL, smu_buf); |
aaa36a97 AD |
777 | if (ret) { |
778 | DRM_ERROR("Failed to allocate memory for SMU internal buffer\n"); | |
779 | return -ENOMEM; | |
780 | } | |
781 | ||
782 | /* Retrieve GPU address for header buffer and internal buffer */ | |
783 | ret = amdgpu_bo_reserve(adev->smu.toc_buf, false); | |
784 | if (ret) { | |
785 | amdgpu_bo_unref(&adev->smu.toc_buf); | |
786 | DRM_ERROR("Failed to reserve the TOC buffer\n"); | |
787 | return -EINVAL; | |
788 | } | |
789 | ||
790 | ret = amdgpu_bo_pin(adev->smu.toc_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr); | |
791 | if (ret) { | |
792 | amdgpu_bo_unreserve(adev->smu.toc_buf); | |
793 | amdgpu_bo_unref(&adev->smu.toc_buf); | |
794 | DRM_ERROR("Failed to pin the TOC buffer\n"); | |
795 | return -EINVAL; | |
796 | } | |
797 | ||
798 | ret = amdgpu_bo_kmap(*toc_buf, &toc_buf_ptr); | |
799 | if (ret) { | |
800 | amdgpu_bo_unreserve(adev->smu.toc_buf); | |
801 | amdgpu_bo_unref(&adev->smu.toc_buf); | |
802 | DRM_ERROR("Failed to map the TOC buffer\n"); | |
803 | return -EINVAL; | |
804 | } | |
805 | ||
806 | amdgpu_bo_unreserve(adev->smu.toc_buf); | |
807 | private->header_addr_low = lower_32_bits(mc_addr); | |
808 | private->header_addr_high = upper_32_bits(mc_addr); | |
809 | private->header = toc_buf_ptr; | |
810 | ||
811 | ret = amdgpu_bo_reserve(adev->smu.smu_buf, false); | |
812 | if (ret) { | |
813 | amdgpu_bo_unref(&adev->smu.smu_buf); | |
814 | amdgpu_bo_unref(&adev->smu.toc_buf); | |
815 | DRM_ERROR("Failed to reserve the SMU internal buffer\n"); | |
816 | return -EINVAL; | |
817 | } | |
818 | ||
819 | ret = amdgpu_bo_pin(adev->smu.smu_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr); | |
820 | if (ret) { | |
821 | amdgpu_bo_unreserve(adev->smu.smu_buf); | |
822 | amdgpu_bo_unref(&adev->smu.smu_buf); | |
823 | amdgpu_bo_unref(&adev->smu.toc_buf); | |
824 | DRM_ERROR("Failed to pin the SMU internal buffer\n"); | |
825 | return -EINVAL; | |
826 | } | |
827 | ||
828 | ret = amdgpu_bo_kmap(*smu_buf, &smu_buf_ptr); | |
829 | if (ret) { | |
830 | amdgpu_bo_unreserve(adev->smu.smu_buf); | |
831 | amdgpu_bo_unref(&adev->smu.smu_buf); | |
832 | amdgpu_bo_unref(&adev->smu.toc_buf); | |
833 | DRM_ERROR("Failed to map the SMU internal buffer\n"); | |
834 | return -EINVAL; | |
835 | } | |
836 | ||
837 | amdgpu_bo_unreserve(adev->smu.smu_buf); | |
838 | private->smu_buffer_addr_low = lower_32_bits(mc_addr); | |
839 | private->smu_buffer_addr_high = upper_32_bits(mc_addr); | |
840 | ||
841 | adev->smu.smumgr_funcs = &tonga_smumgr_funcs; | |
842 | ||
843 | return 0; | |
844 | } | |
845 | ||
846 | int tonga_smu_fini(struct amdgpu_device *adev) | |
847 | { | |
848 | amdgpu_bo_unref(&adev->smu.toc_buf); | |
849 | amdgpu_bo_unref(&adev->smu.smu_buf); | |
850 | kfree(adev->smu.priv); | |
851 | adev->smu.priv = NULL; | |
852 | if (adev->firmware.fw_buf) | |
853 | amdgpu_ucode_fini_bo(adev); | |
854 | ||
855 | return 0; | |
856 | } |