2 * Copyright 2018 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 "amdgpu_atombios.h"
25 #include "nbio_v7_4.h"
26 #include "amdgpu_ras.h"
28 #include "nbio/nbio_7_4_offset.h"
29 #include "nbio/nbio_7_4_sh_mask.h"
30 #include "nbio/nbio_7_4_0_smn.h"
31 #include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
32 #include <uapi/linux/kfd_ioctl.h>
34 #define smnPCIE_LC_CNTL 0x11140280
35 #define smnPCIE_LC_CNTL3 0x111402d4
36 #define smnPCIE_LC_CNTL6 0x111402ec
37 #define smnPCIE_LC_CNTL7 0x111402f0
38 #define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c
39 #define smnRCC_BIF_STRAP3 0x1012348c
40 #define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK 0x0000FFFFL
41 #define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK 0xFFFF0000L
42 #define smnRCC_BIF_STRAP5 0x10123494
43 #define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK 0x0000FFFFL
44 #define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2 0x1014008c
45 #define BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK 0x0400L
46 #define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP 0x10140324
47 #define smnPSWUSP0_PCIE_LC_CNTL2 0x111402c4
48 #define smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL 0x10123538
49 #define smnRCC_BIF_STRAP2 0x10123488
50 #define RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK 0x00004000L
51 #define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT 0x0
52 #define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT 0x10
53 #define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT 0x0
56 * These are nbio v7_4_1 registers mask. Temporarily define these here since
57 * nbio v7_4_1 header is incomplete.
59 #define GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK 0x00001000L
60 #define GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK 0x00002000L
61 #define GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK 0x00004000L
62 #define GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK 0x00008000L
63 #define GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK 0x00010000L
64 #define GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK 0x00020000L
66 #define mmBIF_MMSCH1_DOORBELL_RANGE 0x01dc
67 #define mmBIF_MMSCH1_DOORBELL_RANGE_BASE_IDX 2
68 //BIF_MMSCH1_DOORBELL_RANGE
69 #define BIF_MMSCH1_DOORBELL_RANGE__OFFSET__SHIFT 0x2
70 #define BIF_MMSCH1_DOORBELL_RANGE__SIZE__SHIFT 0x10
71 #define BIF_MMSCH1_DOORBELL_RANGE__OFFSET_MASK 0x00000FFCL
72 #define BIF_MMSCH1_DOORBELL_RANGE__SIZE_MASK 0x001F0000L
74 #define BIF_MMSCH1_DOORBELL_RANGE__OFFSET_MASK 0x00000FFCL
75 #define BIF_MMSCH1_DOORBELL_RANGE__SIZE_MASK 0x001F0000L
77 #define mmBIF_MMSCH1_DOORBELL_RANGE_ALDE 0x01d8
78 #define mmBIF_MMSCH1_DOORBELL_RANGE_ALDE_BASE_IDX 2
79 //BIF_MMSCH1_DOORBELL_ALDE_RANGE
80 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__OFFSET__SHIFT 0x2
81 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__SIZE__SHIFT 0x10
82 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__OFFSET_MASK 0x00000FFCL
83 #define BIF_MMSCH1_DOORBELL_RANGE_ALDE__SIZE_MASK 0x001F0000L
85 #define mmRCC_DEV0_EPF0_STRAP0_ALDE 0x0015
86 #define mmRCC_DEV0_EPF0_STRAP0_ALDE_BASE_IDX 2
88 #define mmBIF_DOORBELL_INT_CNTL_ALDE 0x00fe
89 #define mmBIF_DOORBELL_INT_CNTL_ALDE_BASE_IDX 2
90 #define BIF_DOORBELL_INT_CNTL_ALDE__DOORBELL_INTERRUPT_DISABLE__SHIFT 0x18
91 #define BIF_DOORBELL_INT_CNTL_ALDE__DOORBELL_INTERRUPT_DISABLE_MASK 0x01000000L
93 #define mmBIF_INTR_CNTL_ALDE 0x0101
94 #define mmBIF_INTR_CNTL_ALDE_BASE_IDX 2
96 static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
97 void *ras_error_status);
99 static void nbio_v7_4_remap_hdp_registers(struct amdgpu_device *adev)
101 WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
102 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
103 WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
104 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
107 static u32 nbio_v7_4_get_rev_id(struct amdgpu_device *adev)
111 if (adev->asic_type == CHIP_ALDEBARAN)
112 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0_ALDE);
114 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0);
116 tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
117 tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
122 static void nbio_v7_4_mc_access_enable(struct amdgpu_device *adev, bool enable)
125 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN,
126 BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
128 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, 0);
131 static u32 nbio_v7_4_get_memsize(struct amdgpu_device *adev)
133 return RREG32_SOC15(NBIO, 0, mmRCC_CONFIG_MEMSIZE);
136 static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
137 bool use_doorbell, int doorbell_index, int doorbell_size)
139 u32 reg, doorbell_range;
143 SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE);
146 * These registers address of SDMA2~7 is not consecutive
147 * from SDMA0~1. Need plus 4 dwords offset.
149 * BIF_SDMA0_DOORBELL_RANGE: 0x3bc0
150 * BIF_SDMA1_DOORBELL_RANGE: 0x3bc4
151 * BIF_SDMA2_DOORBELL_RANGE: 0x3bd8
152 + * BIF_SDMA4_DOORBELL_RANGE:
154 + * ALDEBARAN: 0x3be4
156 if (adev->asic_type == CHIP_ALDEBARAN && instance == 4)
157 reg = instance + 0x4 + 0x1 +
158 SOC15_REG_OFFSET(NBIO, 0,
159 mmBIF_SDMA0_DOORBELL_RANGE);
161 reg = instance + 0x4 +
162 SOC15_REG_OFFSET(NBIO, 0,
163 mmBIF_SDMA0_DOORBELL_RANGE);
166 doorbell_range = RREG32(reg);
169 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index);
170 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, doorbell_size);
172 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0);
174 WREG32(reg, doorbell_range);
177 static void nbio_v7_4_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
178 int doorbell_index, int instance)
184 if (adev->asic_type == CHIP_ALDEBARAN)
185 reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE_ALDE);
187 reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE);
189 reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE);
191 doorbell_range = RREG32(reg);
194 doorbell_range = REG_SET_FIELD(doorbell_range,
195 BIF_MMSCH0_DOORBELL_RANGE, OFFSET,
197 doorbell_range = REG_SET_FIELD(doorbell_range,
198 BIF_MMSCH0_DOORBELL_RANGE, SIZE, 8);
200 doorbell_range = REG_SET_FIELD(doorbell_range,
201 BIF_MMSCH0_DOORBELL_RANGE, SIZE, 0);
203 WREG32(reg, doorbell_range);
206 static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev,
209 WREG32_FIELD15(NBIO, 0, RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0);
212 static void nbio_v7_4_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
218 tmp = REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) |
219 REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) |
220 REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0);
222 WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_LOW,
223 lower_32_bits(adev->doorbell.base));
224 WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_HIGH,
225 upper_32_bits(adev->doorbell.base));
228 WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_CNTL, tmp);
231 static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev,
232 bool use_doorbell, int doorbell_index)
234 u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0 , mmBIF_IH_DOORBELL_RANGE);
237 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index);
238 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 4);
240 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0);
242 WREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE, ih_doorbell_range);
246 static void nbio_v7_4_update_medium_grain_clock_gating(struct amdgpu_device *adev,
249 //TODO: Add support for v7.4
252 static void nbio_v7_4_update_medium_grain_light_sleep(struct amdgpu_device *adev,
257 def = data = RREG32_PCIE(smnPCIE_CNTL2);
258 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
259 data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
260 PCIE_CNTL2__MST_MEM_LS_EN_MASK |
261 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
263 data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
264 PCIE_CNTL2__MST_MEM_LS_EN_MASK |
265 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
269 WREG32_PCIE(smnPCIE_CNTL2, data);
272 static void nbio_v7_4_get_clockgating_state(struct amdgpu_device *adev,
277 /* AMD_CG_SUPPORT_BIF_MGCG */
278 data = RREG32_PCIE(smnCPM_CONTROL);
279 if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK)
280 *flags |= AMD_CG_SUPPORT_BIF_MGCG;
282 /* AMD_CG_SUPPORT_BIF_LS */
283 data = RREG32_PCIE(smnPCIE_CNTL2);
284 if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
285 *flags |= AMD_CG_SUPPORT_BIF_LS;
288 static void nbio_v7_4_ih_control(struct amdgpu_device *adev)
292 /* setup interrupt control */
293 WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
294 interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL);
295 /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
296 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
298 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0);
299 /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
300 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0);
301 WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl);
304 static u32 nbio_v7_4_get_hdp_flush_req_offset(struct amdgpu_device *adev)
306 return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_REQ);
309 static u32 nbio_v7_4_get_hdp_flush_done_offset(struct amdgpu_device *adev)
311 return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_DONE);
314 static u32 nbio_v7_4_get_pcie_index_offset(struct amdgpu_device *adev)
316 return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2);
319 static u32 nbio_v7_4_get_pcie_data_offset(struct amdgpu_device *adev)
321 return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2);
324 const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = {
325 .ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK,
326 .ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK,
327 .ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK,
328 .ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK,
329 .ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK,
330 .ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK,
331 .ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK,
332 .ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK,
333 .ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK,
334 .ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK,
335 .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK,
336 .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK,
337 .ref_and_mask_sdma2 = GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK,
338 .ref_and_mask_sdma3 = GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK,
339 .ref_and_mask_sdma4 = GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK,
340 .ref_and_mask_sdma5 = GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK,
341 .ref_and_mask_sdma6 = GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK,
342 .ref_and_mask_sdma7 = GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK,
345 static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
350 static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev)
352 uint32_t bif_doorbell_intr_cntl;
353 struct ras_manager *obj = amdgpu_ras_find_obj(adev, adev->nbio.ras_if);
354 struct ras_err_data err_data = {0, 0, 0, NULL};
355 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
357 if (adev->asic_type == CHIP_ALDEBARAN)
358 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE);
360 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
362 if (REG_GET_FIELD(bif_doorbell_intr_cntl,
363 BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) {
364 /* driver has to clear the interrupt status when bif ring is disabled */
365 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
366 BIF_DOORBELL_INT_CNTL,
367 RAS_CNTLR_INTERRUPT_CLEAR, 1);
368 if (adev->asic_type == CHIP_ALDEBARAN)
369 WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE, bif_doorbell_intr_cntl);
371 WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
373 if (!ras->disable_ras_err_cnt_harvest) {
375 * clear error status after ras_controller_intr
376 * according to hw team and count ue number
379 nbio_v7_4_query_ras_error_count(adev, &err_data);
381 /* logging on error cnt and printing for awareness */
382 obj->err_data.ue_count += err_data.ue_count;
383 obj->err_data.ce_count += err_data.ce_count;
385 if (err_data.ce_count)
386 dev_info(adev->dev, "%ld correctable hardware "
387 "errors detected in %s block, "
388 "no user action is needed.\n",
389 obj->err_data.ce_count,
390 ras_block_str(adev->nbio.ras_if->block));
392 if (err_data.ue_count)
393 dev_info(adev->dev, "%ld uncorrectable hardware "
394 "errors detected in %s block\n",
395 obj->err_data.ue_count,
396 ras_block_str(adev->nbio.ras_if->block));
399 dev_info(adev->dev, "RAS controller interrupt triggered "
402 /* ras_controller_int is dedicated for nbif ras error,
403 * not the global interrupt for sync flood
405 amdgpu_ras_reset_gpu(adev);
409 static void nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
411 uint32_t bif_doorbell_intr_cntl;
413 if (adev->asic_type == CHIP_ALDEBARAN)
414 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE);
416 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
418 if (REG_GET_FIELD(bif_doorbell_intr_cntl,
419 BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) {
420 /* driver has to clear the interrupt status when bif ring is disabled */
421 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
422 BIF_DOORBELL_INT_CNTL,
423 RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
425 if (adev->asic_type == CHIP_ALDEBARAN)
426 WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE, bif_doorbell_intr_cntl);
428 WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
430 amdgpu_ras_global_ras_isr(adev);
435 static int nbio_v7_4_set_ras_controller_irq_state(struct amdgpu_device *adev,
436 struct amdgpu_irq_src *src,
438 enum amdgpu_interrupt_state state)
440 /* The ras_controller_irq enablement should be done in psp bl when it
441 * tries to enable ras feature. Driver only need to set the correct interrupt
442 * vector for bare-metal and sriov use case respectively
444 uint32_t bif_intr_cntl;
446 if (adev->asic_type == CHIP_ALDEBARAN)
447 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE);
449 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL);
451 if (state == AMDGPU_IRQ_STATE_ENABLE) {
452 /* set interrupt vector select bit to 0 to select
453 * vetcor 1 for bare metal case */
454 bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl,
456 RAS_INTR_VEC_SEL, 0);
458 if (adev->asic_type == CHIP_ALDEBARAN)
459 WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE, bif_intr_cntl);
461 WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl);
468 static int nbio_v7_4_process_ras_controller_irq(struct amdgpu_device *adev,
469 struct amdgpu_irq_src *source,
470 struct amdgpu_iv_entry *entry)
472 /* By design, the ih cookie for ras_controller_irq should be written
473 * to BIFring instead of general iv ring. However, due to known bif ring
474 * hw bug, it has to be disabled. There is no chance the process function
475 * will be involked. Just left it as a dummy one.
480 static int nbio_v7_4_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev,
481 struct amdgpu_irq_src *src,
483 enum amdgpu_interrupt_state state)
485 /* The ras_controller_irq enablement should be done in psp bl when it
486 * tries to enable ras feature. Driver only need to set the correct interrupt
487 * vector for bare-metal and sriov use case respectively
489 uint32_t bif_intr_cntl;
491 if (adev->asic_type == CHIP_ALDEBARAN)
492 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE);
494 bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL);
496 if (state == AMDGPU_IRQ_STATE_ENABLE) {
497 /* set interrupt vector select bit to 0 to select
498 * vetcor 1 for bare metal case */
499 bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl,
501 RAS_INTR_VEC_SEL, 0);
503 if (adev->asic_type == CHIP_ALDEBARAN)
504 WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE, bif_intr_cntl);
506 WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl);
512 static int nbio_v7_4_process_err_event_athub_irq(struct amdgpu_device *adev,
513 struct amdgpu_irq_src *source,
514 struct amdgpu_iv_entry *entry)
516 /* By design, the ih cookie for err_event_athub_irq should be written
517 * to BIFring instead of general iv ring. However, due to known bif ring
518 * hw bug, it has to be disabled. There is no chance the process function
519 * will be involked. Just left it as a dummy one.
524 static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_controller_irq_funcs = {
525 .set = nbio_v7_4_set_ras_controller_irq_state,
526 .process = nbio_v7_4_process_ras_controller_irq,
529 static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_err_event_athub_irq_funcs = {
530 .set = nbio_v7_4_set_ras_err_event_athub_irq_state,
531 .process = nbio_v7_4_process_err_event_athub_irq,
534 static int nbio_v7_4_init_ras_controller_interrupt (struct amdgpu_device *adev)
538 /* init the irq funcs */
539 adev->nbio.ras_controller_irq.funcs =
540 &nbio_v7_4_ras_controller_irq_funcs;
541 adev->nbio.ras_controller_irq.num_types = 1;
543 /* register ras controller interrupt */
544 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
545 NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT,
546 &adev->nbio.ras_controller_irq);
551 static int nbio_v7_4_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev)
556 /* init the irq funcs */
557 adev->nbio.ras_err_event_athub_irq.funcs =
558 &nbio_v7_4_ras_err_event_athub_irq_funcs;
559 adev->nbio.ras_err_event_athub_irq.num_types = 1;
561 /* register ras err event athub interrupt */
562 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
563 NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT,
564 &adev->nbio.ras_err_event_athub_irq);
569 #define smnPARITY_ERROR_STATUS_UNCORR_GRP2 0x13a20030
571 static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
572 void *ras_error_status)
574 uint32_t global_sts, central_sts, int_eoi, parity_sts;
575 uint32_t corr, fatal, non_fatal;
576 struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
578 global_sts = RREG32_PCIE(smnRAS_GLOBAL_STATUS_LO);
579 corr = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrCorr);
580 fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrFatal);
581 non_fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO,
583 parity_sts = RREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2);
586 err_data->ce_count++;
588 err_data->ue_count++;
590 if (corr || fatal || non_fatal) {
591 central_sts = RREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS);
592 /* clear error status register */
593 WREG32_PCIE(smnRAS_GLOBAL_STATUS_LO, global_sts);
596 /* clear parity fatal error indication field */
597 WREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2,
600 if (REG_GET_FIELD(central_sts, BIFL_RAS_CENTRAL_STATUS,
601 BIFL_RasContller_Intr_Recv)) {
602 /* clear interrupt status register */
603 WREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS, central_sts);
604 int_eoi = RREG32_PCIE(smnIOHC_INTERRUPT_EOI);
605 int_eoi = REG_SET_FIELD(int_eoi,
606 IOHC_INTERRUPT_EOI, SMI_EOI, 1);
607 WREG32_PCIE(smnIOHC_INTERRUPT_EOI, int_eoi);
612 static void nbio_v7_4_enable_doorbell_interrupt(struct amdgpu_device *adev,
615 if (adev->asic_type == CHIP_ALDEBARAN)
616 WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL_ALDE,
617 DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
619 WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL,
620 DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
623 const struct amdgpu_nbio_ras_funcs nbio_v7_4_ras_funcs = {
624 .handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring,
625 .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring,
626 .init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt,
627 .init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt,
628 .query_ras_error_count = nbio_v7_4_query_ras_error_count,
629 .ras_late_init = amdgpu_nbio_ras_late_init,
630 .ras_fini = amdgpu_nbio_ras_fini,
633 static void nbio_v7_4_program_ltr(struct amdgpu_device *adev)
637 WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, 0x75EB);
639 def = data = RREG32_PCIE(smnRCC_BIF_STRAP2);
640 data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK;
642 WREG32_PCIE(smnRCC_BIF_STRAP2, data);
644 def = data = RREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL);
645 data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_MSG_DIS_IN_PM_NON_D0_MASK;
647 WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, data);
649 def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
650 data |= BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
652 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
655 static void nbio_v7_4_program_aspm(struct amdgpu_device *adev)
659 def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
660 data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
661 data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
662 data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
664 WREG32_PCIE(smnPCIE_LC_CNTL, data);
666 def = data = RREG32_PCIE(smnPCIE_LC_CNTL7);
667 data |= PCIE_LC_CNTL7__LC_NBIF_ASPM_INPUT_EN_MASK;
669 WREG32_PCIE(smnPCIE_LC_CNTL7, data);
671 def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK);
672 data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK;
674 WREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK, data);
676 def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
677 data |= PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
679 WREG32_PCIE(smnPCIE_LC_CNTL3, data);
681 def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
682 data &= ~RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK;
683 data &= ~RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK;
685 WREG32_PCIE(smnRCC_BIF_STRAP3, data);
687 def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
688 data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK;
690 WREG32_PCIE(smnRCC_BIF_STRAP5, data);
692 def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
693 data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
695 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
697 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP, 0x10011001);
699 def = data = RREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2);
700 data |= PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
701 PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
702 data &= ~PSWUSP0_PCIE_LC_CNTL2__LC_RCV_L0_TO_RCV_L0S_DIS_MASK;
704 WREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2, data);
706 def = data = RREG32_PCIE(smnPCIE_LC_CNTL6);
707 data |= PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK |
708 PCIE_LC_CNTL6__LC_RX_L0S_STANDBY_EN_MASK;
710 WREG32_PCIE(smnPCIE_LC_CNTL6, data);
712 nbio_v7_4_program_ltr(adev);
714 def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
715 data |= 0x5DE0 << RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT;
716 data |= 0x0010 << RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT;
718 WREG32_PCIE(smnRCC_BIF_STRAP3, data);
720 def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
721 data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT;
723 WREG32_PCIE(smnRCC_BIF_STRAP5, data);
725 def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
726 data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
727 data |= 0x9 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
728 data |= 0x1 << PCIE_LC_CNTL__LC_PMI_TO_L1_DIS__SHIFT;
730 WREG32_PCIE(smnPCIE_LC_CNTL, data);
732 def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
733 data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
735 WREG32_PCIE(smnPCIE_LC_CNTL3, data);
738 const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
739 .get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset,
740 .get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset,
741 .get_pcie_index_offset = nbio_v7_4_get_pcie_index_offset,
742 .get_pcie_data_offset = nbio_v7_4_get_pcie_data_offset,
743 .get_rev_id = nbio_v7_4_get_rev_id,
744 .mc_access_enable = nbio_v7_4_mc_access_enable,
745 .get_memsize = nbio_v7_4_get_memsize,
746 .sdma_doorbell_range = nbio_v7_4_sdma_doorbell_range,
747 .vcn_doorbell_range = nbio_v7_4_vcn_doorbell_range,
748 .enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture,
749 .enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture,
750 .ih_doorbell_range = nbio_v7_4_ih_doorbell_range,
751 .enable_doorbell_interrupt = nbio_v7_4_enable_doorbell_interrupt,
752 .update_medium_grain_clock_gating = nbio_v7_4_update_medium_grain_clock_gating,
753 .update_medium_grain_light_sleep = nbio_v7_4_update_medium_grain_light_sleep,
754 .get_clockgating_state = nbio_v7_4_get_clockgating_state,
755 .ih_control = nbio_v7_4_ih_control,
756 .init_registers = nbio_v7_4_init_registers,
757 .remap_hdp_registers = nbio_v7_4_remap_hdp_registers,
758 .program_aspm = nbio_v7_4_program_aspm,