2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <linux/firmware.h>
27 #include "tonga_ppsmc.h"
28 #include "tonga_smumgr.h"
29 #include "smu_ucode_xfer_vi.h"
30 #include "amdgpu_ucode.h"
32 #include "smu/smu_7_1_2_d.h"
33 #include "smu/smu_7_1_2_sh_mask.h"
35 #define TONGA_SMC_SIZE 0x20000
37 static int tonga_set_smc_sram_address(struct amdgpu_device
*adev
, uint32_t smc_address
, uint32_t limit
)
44 if ((smc_address
+ 3) > limit
)
47 WREG32(mmSMC_IND_INDEX_0
, smc_address
);
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
);
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
)
59 uint32_t data
, orig_data
;
64 if (smc_start_address
& 3)
67 if ((smc_start_address
+ byte_count
) > limit
)
70 addr
= smc_start_address
;
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];
77 result
= tonga_set_smc_sram_address(adev
, addr
, limit
);
82 WREG32(mmSMC_IND_DATA_0
, data
);
89 if (0 != byte_count
) {
90 /* Now write odd bytes left, do a read modify write cycle */
93 result
= tonga_set_smc_sram_address(adev
, addr
, limit
);
97 orig_data
= RREG32(mmSMC_IND_DATA_0
);
98 extra_shift
= 8 * (4 - byte_count
);
100 while (byte_count
> 0) {
101 data
= (data
<< 8) + *src
++;
105 data
<<= extra_shift
;
106 data
|= (orig_data
& ~((~0UL) << extra_shift
));
108 result
= tonga_set_smc_sram_address(adev
, addr
, limit
);
112 WREG32(mmSMC_IND_DATA_0
, data
);
116 spin_unlock_irqrestore(&adev
->smc_idx_lock
, flags
);
120 static int tonga_program_jump_on_start(struct amdgpu_device
*adev
)
122 static unsigned char data
[] = {0xE0, 0x00, 0x80, 0x40};
123 tonga_copy_bytes_to_smc(adev
, 0x0, data
, 4, sizeof(data
)+1);
128 static bool tonga_is_smc_ram_running(struct amdgpu_device
*adev
)
130 uint32_t val
= RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0
);
131 val
= REG_GET_FIELD(val
, SMC_SYSCON_CLOCK_CNTL_0
, ck_disable
);
133 return ((0 == val
) && (0x20100 <= RREG32_SMC(ixSMC_PC_C
)));
136 static int wait_smu_response(struct amdgpu_device
*adev
)
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
))
148 if (i
== adev
->usec_timeout
)
154 static int tonga_send_msg_to_smc_offset(struct amdgpu_device
*adev
)
156 if (wait_smu_response(adev
)) {
157 DRM_ERROR("Failed to send previous message\n");
161 WREG32(mmSMC_MSG_ARG_0
, 0x20000);
162 WREG32(mmSMC_MESSAGE_0
, PPSMC_MSG_Test
);
164 if (wait_smu_response(adev
)) {
165 DRM_ERROR("Failed to send message\n");
172 static int tonga_send_msg_to_smc(struct amdgpu_device
*adev
, PPSMC_Msg msg
)
174 if (!tonga_is_smc_ram_running(adev
))
179 if (wait_smu_response(adev
)) {
180 DRM_ERROR("Failed to send previous message\n");
184 WREG32(mmSMC_MESSAGE_0
, msg
);
186 if (wait_smu_response(adev
)) {
187 DRM_ERROR("Failed to send message\n");
194 static int tonga_send_msg_to_smc_without_waiting(struct amdgpu_device
*adev
,
197 if (wait_smu_response(adev
)) {
198 DRM_ERROR("Failed to send previous message\n");
202 WREG32(mmSMC_MESSAGE_0
, msg
);
207 static int tonga_send_msg_to_smc_with_parameter(struct amdgpu_device
*adev
,
211 if (!tonga_is_smc_ram_running(adev
))
214 if (wait_smu_response(adev
)) {
215 DRM_ERROR("Failed to send previous message\n");
219 WREG32(mmSMC_MSG_ARG_0
, parameter
);
221 return tonga_send_msg_to_smc(adev
, msg
);
224 static int tonga_send_msg_to_smc_with_parameter_without_waiting(
225 struct amdgpu_device
*adev
,
226 PPSMC_Msg msg
, uint32_t parameter
)
228 if (wait_smu_response(adev
)) {
229 DRM_ERROR("Failed to send previous message\n");
233 WREG32(mmSMC_MSG_ARG_0
, parameter
);
235 return tonga_send_msg_to_smc_without_waiting(adev
, msg
);
238 #if 0 /* not used yet */
239 static int tonga_wait_for_smc_inactive(struct amdgpu_device
*adev
)
244 if (!tonga_is_smc_ram_running(adev
))
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)
254 if (i
== adev
->usec_timeout
)
261 static int tonga_smu_upload_firmware_image(struct amdgpu_device
*adev
)
263 const struct smc_firmware_header_v1_0
*hdr
;
265 uint32_t ucode_start_address
;
275 hdr
= (const struct smc_firmware_header_v1_0
*)adev
->pm
.fw
->data
;
276 amdgpu_ucode_print_smc_hdr(&hdr
->header
);
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
));
284 if (ucode_size
& 3) {
285 DRM_ERROR("SMC ucode is not 4 bytes aligned\n");
289 if (ucode_size
> TONGA_SMC_SIZE
) {
290 DRM_ERROR("SMC address is beyond the SMC RAM area\n");
294 spin_lock_irqsave(&adev
->smc_idx_lock
, flags
);
295 WREG32(mmSMC_IND_INDEX_0
, ucode_start_address
);
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
);
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]);
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
);
314 #if 0 /* not used yet */
315 static int tonga_read_smc_sram_dword(struct amdgpu_device
*adev
,
316 uint32_t smc_address
,
323 spin_lock_irqsave(&adev
->smc_idx_lock
, flags
);
324 result
= tonga_set_smc_sram_address(adev
, smc_address
, limit
);
326 *value
= RREG32(mmSMC_IND_DATA_0
);
327 spin_unlock_irqrestore(&adev
->smc_idx_lock
, flags
);
331 static int tonga_write_smc_sram_dword(struct amdgpu_device
*adev
,
332 uint32_t smc_address
,
339 spin_lock_irqsave(&adev
->smc_idx_lock
, flags
);
340 result
= tonga_set_smc_sram_address(adev
, smc_address
, limit
);
342 WREG32(mmSMC_IND_DATA_0
, value
);
343 spin_unlock_irqrestore(&adev
->smc_idx_lock
, flags
);
347 static int tonga_smu_stop_smc(struct amdgpu_device
*adev
)
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
);
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
);
361 static enum AMDGPU_UCODE_ID
tonga_convert_fw_type(uint32_t fw_type
)
365 return AMDGPU_UCODE_ID_SDMA0
;
367 return AMDGPU_UCODE_ID_SDMA1
;
369 return AMDGPU_UCODE_ID_CP_CE
;
370 case UCODE_ID_CP_PFP
:
371 return AMDGPU_UCODE_ID_CP_PFP
;
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
;
380 return AMDGPU_UCODE_ID_RLC_G
;
382 DRM_ERROR("ucode type is out of range!\n");
383 return AMDGPU_UCODE_ID_MAXIMUM
;
387 static int tonga_smu_populate_single_firmware_entry(struct amdgpu_device
*adev
,
389 struct SMU_Entry
*entry
)
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
;
397 if (ucode
->fw
== NULL
)
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
);
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;
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;
419 if (fw_type
== UCODE_ID_RLC_G
)
427 static int tonga_smu_request_load_fw(struct amdgpu_device
*adev
)
429 struct tonga_smu_private_data
*private = (struct tonga_smu_private_data
*)adev
->smu
.priv
;
430 struct SMU_DRAMData_TOC
*toc
;
433 WREG32_SMC(ixSOFT_REGISTERS_TABLE_28
, 0);
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
);
438 toc
= (struct SMU_DRAMData_TOC
*)private->header
;
439 toc
->num_entries
= 0;
440 toc
->structure_version
= 1;
442 if (!adev
->firmware
.smu_load
)
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");
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");
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");
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");
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");
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");
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");
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");
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");
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
);
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
;
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");
518 static uint32_t tonga_smu_get_mask_for_fw_type(uint32_t 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
;
538 DRM_ERROR("ucode type is out of range!\n");
543 static int tonga_smu_check_fw_load_finish(struct amdgpu_device
*adev
,
546 uint32_t fw_mask
= tonga_smu_get_mask_for_fw_type(fw_type
);
549 for (i
= 0; i
< adev
->usec_timeout
; i
++) {
550 if (fw_mask
== (RREG32_SMC(ixSOFT_REGISTERS_TABLE_28
) & fw_mask
))
555 if (i
== adev
->usec_timeout
) {
556 DRM_ERROR("check firmware loading failed\n");
563 static int tonga_smu_start_in_protection_mode(struct amdgpu_device
*adev
)
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
);
574 result
= tonga_smu_upload_firmware_image(adev
);
579 WREG32_SMC(ixSMU_STATUS
, 0);
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
);
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
);
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
);
596 /* Clear firmware interrupt enable flag */
597 WREG32_SMC(ixFIRMWARE_FLAGS
, 0);
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
))
606 if (i
== adev
->usec_timeout
) {
607 DRM_ERROR("Interrupt is not enabled by firmware\n");
611 /* Call Test SMU message with 0x20000 offset
612 * to trigger SMU start
614 tonga_send_msg_to_smc_offset(adev
);
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
))
624 if (i
== adev
->usec_timeout
) {
625 DRM_ERROR("Timeout for SMU start\n");
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");
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
))
644 if (i
== adev
->usec_timeout
) {
645 DRM_ERROR("SMU firmware initialization failed\n");
652 static int tonga_smu_start_in_non_protection_mode(struct amdgpu_device
*adev
)
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
);
666 if (i
== adev
->usec_timeout
) {
667 DRM_ERROR("SMC boot sequence is not completed\n");
671 /* Clear firmware interrupt enable flag */
672 WREG32_SMC(ixFIRMWARE_FLAGS
, 0);
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
);
679 result
= tonga_smu_upload_firmware_image(adev
);
683 /* Set smc instruct start point at 0x0 */
684 tonga_program_jump_on_start(adev
);
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
);
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
);
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
))
704 if (i
== adev
->usec_timeout
) {
705 DRM_ERROR("Timeout for SMC firmware initialization\n");
712 int tonga_smu_start(struct amdgpu_device
*adev
)
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
);
724 result
= tonga_smu_start_in_protection_mode(adev
);
730 return tonga_smu_request_load_fw(adev
);
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
,
739 int tonga_smu_init(struct amdgpu_device
*adev
)
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
;
751 private = kzalloc(sizeof(struct tonga_smu_private_data
), GFP_KERNEL
);
755 /* allocate firmware buffers */
756 if (adev
->firmware
.smu_load
)
757 amdgpu_ucode_init_bo(adev
);
759 adev
->smu
.priv
= private;
760 adev
->smu
.fw_flags
= 0;
762 /* Allocate FW image data structure and header buffer */
763 ret
= amdgpu_bo_create(adev
, image_size
, PAGE_SIZE
,
764 true, AMDGPU_GEM_DOMAIN_VRAM
, 0, NULL
, toc_buf
);
766 DRM_ERROR("Failed to allocate memory for TOC buffer\n");
770 /* Allocate buffer for SMU internal buffer */
771 ret
= amdgpu_bo_create(adev
, smu_internal_buffer_size
, PAGE_SIZE
,
772 true, AMDGPU_GEM_DOMAIN_VRAM
, 0, NULL
, smu_buf
);
774 DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
778 /* Retrieve GPU address for header buffer and internal buffer */
779 ret
= amdgpu_bo_reserve(adev
->smu
.toc_buf
, false);
781 amdgpu_bo_unref(&adev
->smu
.toc_buf
);
782 DRM_ERROR("Failed to reserve the TOC buffer\n");
786 ret
= amdgpu_bo_pin(adev
->smu
.toc_buf
, AMDGPU_GEM_DOMAIN_VRAM
, &mc_addr
);
788 amdgpu_bo_unreserve(adev
->smu
.toc_buf
);
789 amdgpu_bo_unref(&adev
->smu
.toc_buf
);
790 DRM_ERROR("Failed to pin the TOC buffer\n");
794 ret
= amdgpu_bo_kmap(*toc_buf
, &toc_buf_ptr
);
796 amdgpu_bo_unreserve(adev
->smu
.toc_buf
);
797 amdgpu_bo_unref(&adev
->smu
.toc_buf
);
798 DRM_ERROR("Failed to map the TOC buffer\n");
802 amdgpu_bo_unreserve(adev
->smu
.toc_buf
);
803 private->header_addr_low
= lower_32_bits(mc_addr
);
804 private->header_addr_high
= upper_32_bits(mc_addr
);
805 private->header
= toc_buf_ptr
;
807 ret
= amdgpu_bo_reserve(adev
->smu
.smu_buf
, false);
809 amdgpu_bo_unref(&adev
->smu
.smu_buf
);
810 amdgpu_bo_unref(&adev
->smu
.toc_buf
);
811 DRM_ERROR("Failed to reserve the SMU internal buffer\n");
815 ret
= amdgpu_bo_pin(adev
->smu
.smu_buf
, AMDGPU_GEM_DOMAIN_VRAM
, &mc_addr
);
817 amdgpu_bo_unreserve(adev
->smu
.smu_buf
);
818 amdgpu_bo_unref(&adev
->smu
.smu_buf
);
819 amdgpu_bo_unref(&adev
->smu
.toc_buf
);
820 DRM_ERROR("Failed to pin the SMU internal buffer\n");
824 ret
= amdgpu_bo_kmap(*smu_buf
, &smu_buf_ptr
);
826 amdgpu_bo_unreserve(adev
->smu
.smu_buf
);
827 amdgpu_bo_unref(&adev
->smu
.smu_buf
);
828 amdgpu_bo_unref(&adev
->smu
.toc_buf
);
829 DRM_ERROR("Failed to map the SMU internal buffer\n");
833 amdgpu_bo_unreserve(adev
->smu
.smu_buf
);
834 private->smu_buffer_addr_low
= lower_32_bits(mc_addr
);
835 private->smu_buffer_addr_high
= upper_32_bits(mc_addr
);
837 adev
->smu
.smumgr_funcs
= &tonga_smumgr_funcs
;
842 int tonga_smu_fini(struct amdgpu_device
*adev
)
844 amdgpu_bo_unref(&adev
->smu
.toc_buf
);
845 amdgpu_bo_unref(&adev
->smu
.smu_buf
);
846 kfree(adev
->smu
.priv
);
847 adev
->smu
.priv
= NULL
;
848 if (adev
->firmware
.fw_buf
)
849 amdgpu_ucode_fini_bo(adev
);