tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2022 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 "amdgpu.h"
24#include "amdgpu_atombios.h"
25#include "nbio_v7_9.h"
26#include "amdgpu_ras.h"
27
28#include "nbio/nbio_7_9_0_offset.h"
29#include "nbio/nbio_7_9_0_sh_mask.h"
30#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
31#include <uapi/linux/kfd_ioctl.h>
32
33#define NPS_MODE_MASK 0x000000FFL
34
35/* Core 0 Port 0 counter */
36#define smnPCIEP_NAK_COUNTER 0x1A340218
37
38static void nbio_v7_9_remap_hdp_registers(struct amdgpu_device *adev)
39{
40 WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
41 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
42 WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
43 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
44}
45
46static u32 nbio_v7_9_get_rev_id(struct amdgpu_device *adev)
47{
48 u32 tmp;
49
50 tmp = IP_VERSION_SUBREV(amdgpu_ip_version_full(adev, NBIO_HWIP, 0));
51 /* If it is VF or subrevision holds a non-zero value, that should be used */
52 if (tmp || amdgpu_sriov_vf(adev))
53 return tmp;
54
55 /* If discovery subrev is not updated, use register version */
56 tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
57 tmp = REG_GET_FIELD(tmp, RCC_STRAP0_RCC_DEV0_EPF0_STRAP0,
58 STRAP_ATI_REV_ID_DEV0_F0);
59
60 return tmp;
61}
62
63static void nbio_v7_9_mc_access_enable(struct amdgpu_device *adev, bool enable)
64{
65 if (enable)
66 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN,
67 BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
68 else
69 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0);
70}
71
72static u32 nbio_v7_9_get_memsize(struct amdgpu_device *adev)
73{
74 return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE);
75}
76
77static void nbio_v7_9_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
78 bool use_doorbell, int doorbell_index, int doorbell_size)
79{
80 u32 doorbell_range = 0, doorbell_ctrl = 0;
81 int aid_id, dev_inst;
82
83 dev_inst = GET_INST(SDMA0, instance);
84 aid_id = adev->sdma.instance[instance].aid_id;
85
86 if (use_doorbell == false)
87 return;
88
89 doorbell_range =
90 REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0,
91 BIF_DOORBELL0_RANGE_OFFSET_ENTRY, doorbell_index);
92 doorbell_range =
93 REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0,
94 BIF_DOORBELL0_RANGE_SIZE_ENTRY, doorbell_size);
95 doorbell_ctrl =
96 REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL,
97 S2A_DOORBELL_PORT1_ENABLE, 1);
98 doorbell_ctrl =
99 REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL,
100 S2A_DOORBELL_PORT1_RANGE_SIZE, doorbell_size);
101
102 switch (dev_inst % adev->sdma.num_inst_per_aid) {
103 case 0:
104 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_1,
105 4 * aid_id, doorbell_range);
106
107 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
108 S2A_DOORBELL_ENTRY_1_CTRL,
109 S2A_DOORBELL_PORT1_AWID, 0xe);
110 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
111 S2A_DOORBELL_ENTRY_1_CTRL,
112 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xe);
113 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
114 S2A_DOORBELL_ENTRY_1_CTRL,
115 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
116 0x1);
117 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_1_CTRL,
118 aid_id, doorbell_ctrl);
119 break;
120 case 1:
121 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_2,
122 4 * aid_id, doorbell_range);
123
124 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
125 S2A_DOORBELL_ENTRY_1_CTRL,
126 S2A_DOORBELL_PORT1_AWID, 0x8);
127 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
128 S2A_DOORBELL_ENTRY_1_CTRL,
129 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x8);
130 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
131 S2A_DOORBELL_ENTRY_1_CTRL,
132 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
133 0x2);
134 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_2_CTRL,
135 aid_id, doorbell_ctrl);
136 break;
137 case 2:
138 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_3,
139 4 * aid_id, doorbell_range);
140
141 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
142 S2A_DOORBELL_ENTRY_1_CTRL,
143 S2A_DOORBELL_PORT1_AWID, 0x9);
144 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
145 S2A_DOORBELL_ENTRY_1_CTRL,
146 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x9);
147 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
148 S2A_DOORBELL_ENTRY_1_CTRL,
149 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
150 0x8);
151 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_5_CTRL,
152 aid_id, doorbell_ctrl);
153 break;
154 case 3:
155 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_4,
156 4 * aid_id, doorbell_range);
157
158 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
159 S2A_DOORBELL_ENTRY_1_CTRL,
160 S2A_DOORBELL_PORT1_AWID, 0xa);
161 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
162 S2A_DOORBELL_ENTRY_1_CTRL,
163 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xa);
164 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
165 S2A_DOORBELL_ENTRY_1_CTRL,
166 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
167 0x9);
168 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_6_CTRL,
169 aid_id, doorbell_ctrl);
170 break;
171 default:
172 break;
173 }
174}
175
176static void nbio_v7_9_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
177 int doorbell_index, int instance)
178{
179 u32 doorbell_range = 0, doorbell_ctrl = 0;
180 u32 aid_id = instance;
181
182 if (use_doorbell) {
183 doorbell_range = REG_SET_FIELD(doorbell_range,
184 DOORBELL0_CTRL_ENTRY_0,
185 BIF_DOORBELL0_RANGE_OFFSET_ENTRY,
186 doorbell_index);
187 doorbell_range = REG_SET_FIELD(doorbell_range,
188 DOORBELL0_CTRL_ENTRY_0,
189 BIF_DOORBELL0_RANGE_SIZE_ENTRY,
190 0x9);
191 if (aid_id)
192 doorbell_range = REG_SET_FIELD(doorbell_range,
193 DOORBELL0_CTRL_ENTRY_0,
194 DOORBELL0_FENCE_ENABLE_ENTRY,
195 0x4);
196
197 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
198 S2A_DOORBELL_ENTRY_1_CTRL,
199 S2A_DOORBELL_PORT1_ENABLE, 1);
200 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
201 S2A_DOORBELL_ENTRY_1_CTRL,
202 S2A_DOORBELL_PORT1_AWID, 0x4);
203 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
204 S2A_DOORBELL_ENTRY_1_CTRL,
205 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x4);
206 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
207 S2A_DOORBELL_ENTRY_1_CTRL,
208 S2A_DOORBELL_PORT1_RANGE_SIZE, 0x9);
209 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
210 S2A_DOORBELL_ENTRY_1_CTRL,
211 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x4);
212
213 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_17,
214 aid_id, doorbell_range);
215 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_4_CTRL,
216 aid_id, doorbell_ctrl);
217 } else {
218 doorbell_range = REG_SET_FIELD(doorbell_range,
219 DOORBELL0_CTRL_ENTRY_0,
220 BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0);
221 doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
222 S2A_DOORBELL_ENTRY_1_CTRL,
223 S2A_DOORBELL_PORT1_RANGE_SIZE, 0);
224
225 WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_17,
226 aid_id, doorbell_range);
227 WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_4_CTRL,
228 aid_id, doorbell_ctrl);
229 }
230}
231
232static void nbio_v7_9_enable_doorbell_aperture(struct amdgpu_device *adev,
233 bool enable)
234{
235 /* Enable to allow doorbell pass thru on pre-silicon bare-metal */
236 WREG32_SOC15(NBIO, 0, regBIFC_DOORBELL_ACCESS_EN_PF, 0xfffff);
237 WREG32_FIELD15_PREREG(NBIO, 0, RCC_DEV0_EPF0_RCC_DOORBELL_APER_EN,
238 BIF_DOORBELL_APER_EN, enable ? 1 : 0);
239}
240
241static void nbio_v7_9_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
242 bool enable)
243{
244 u32 tmp = 0;
245
246 if (enable) {
247 tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
248 DOORBELL_SELFRING_GPA_APER_EN, 1) |
249 REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
250 DOORBELL_SELFRING_GPA_APER_MODE, 1) |
251 REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
252 DOORBELL_SELFRING_GPA_APER_SIZE, 0);
253
254 WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
255 lower_32_bits(adev->doorbell.base));
256 WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
257 upper_32_bits(adev->doorbell.base));
258 }
259
260 WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, tmp);
261}
262
263static void nbio_v7_9_ih_doorbell_range(struct amdgpu_device *adev,
264 bool use_doorbell, int doorbell_index)
265{
266 u32 ih_doorbell_range = 0, ih_doorbell_ctrl = 0;
267
268 if (use_doorbell) {
269 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
270 DOORBELL0_CTRL_ENTRY_0,
271 BIF_DOORBELL0_RANGE_OFFSET_ENTRY,
272 doorbell_index);
273 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
274 DOORBELL0_CTRL_ENTRY_0,
275 BIF_DOORBELL0_RANGE_SIZE_ENTRY,
276 0x8);
277
278 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
279 S2A_DOORBELL_ENTRY_1_CTRL,
280 S2A_DOORBELL_PORT1_ENABLE, 1);
281 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
282 S2A_DOORBELL_ENTRY_1_CTRL,
283 S2A_DOORBELL_PORT1_AWID, 0);
284 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
285 S2A_DOORBELL_ENTRY_1_CTRL,
286 S2A_DOORBELL_PORT1_RANGE_OFFSET, 0);
287 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
288 S2A_DOORBELL_ENTRY_1_CTRL,
289 S2A_DOORBELL_PORT1_RANGE_SIZE, 0x8);
290 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
291 S2A_DOORBELL_ENTRY_1_CTRL,
292 S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0);
293 } else {
294 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
295 DOORBELL0_CTRL_ENTRY_0,
296 BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0);
297 ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
298 S2A_DOORBELL_ENTRY_1_CTRL,
299 S2A_DOORBELL_PORT1_RANGE_SIZE, 0);
300 }
301
302 WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_0, ih_doorbell_range);
303 WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_3_CTRL, ih_doorbell_ctrl);
304}
305
306
307static void nbio_v7_9_update_medium_grain_clock_gating(struct amdgpu_device *adev,
308 bool enable)
309{
310}
311
312static void nbio_v7_9_update_medium_grain_light_sleep(struct amdgpu_device *adev,
313 bool enable)
314{
315}
316
317static void nbio_v7_9_get_clockgating_state(struct amdgpu_device *adev,
318 u64 *flags)
319{
320}
321
322static void nbio_v7_9_ih_control(struct amdgpu_device *adev)
323{
324 u32 interrupt_cntl;
325
326 /* setup interrupt control */
327 WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
328 interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL);
329 /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
330 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
331 */
332 interrupt_cntl =
333 REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0);
334 /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
335 interrupt_cntl =
336 REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0);
337 WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl);
338}
339
340static u32 nbio_v7_9_get_hdp_flush_req_offset(struct amdgpu_device *adev)
341{
342 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
343}
344
345static u32 nbio_v7_9_get_hdp_flush_done_offset(struct amdgpu_device *adev)
346{
347 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
348}
349
350static u32 nbio_v7_9_get_pcie_index_offset(struct amdgpu_device *adev)
351{
352 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2);
353}
354
355static u32 nbio_v7_9_get_pcie_data_offset(struct amdgpu_device *adev)
356{
357 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2);
358}
359
360static u32 nbio_v7_9_get_pcie_index_hi_offset(struct amdgpu_device *adev)
361{
362 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2_HI);
363}
364
365const struct nbio_hdp_flush_reg nbio_v7_9_hdp_flush_reg = {
366 .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK,
367 .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK,
368 .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK,
369 .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK,
370 .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK,
371 .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK,
372 .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK,
373 .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK,
374 .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK,
375 .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK,
376 .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
377 .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
378 .ref_and_mask_sdma2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK,
379 .ref_and_mask_sdma3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK,
380 .ref_and_mask_sdma4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK,
381 .ref_and_mask_sdma5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK,
382 .ref_and_mask_sdma6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK,
383 .ref_and_mask_sdma7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK,
384};
385
386static void nbio_v7_9_enable_doorbell_interrupt(struct amdgpu_device *adev,
387 bool enable)
388{
389 WREG32_FIELD15_PREREG(NBIO, 0, BIF_BX0_BIF_DOORBELL_INT_CNTL,
390 DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
391}
392
393static int nbio_v7_9_get_compute_partition_mode(struct amdgpu_device *adev)
394{
395 u32 tmp, px;
396
397 tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_COMPUTE_STATUS);
398 px = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_COMPUTE_STATUS,
399 PARTITION_MODE);
400
401 return px;
402}
403
404static u32 nbio_v7_9_get_memory_partition_mode(struct amdgpu_device *adev,
405 u32 *supp_modes)
406{
407 u32 tmp;
408
409 tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_STATUS);
410 tmp = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_MEM_STATUS, NPS_MODE);
411
412 if (supp_modes) {
413 *supp_modes =
414 RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_CAP);
415 }
416
417 return ffs(tmp);
418}
419
420static void nbio_v7_9_init_registers(struct amdgpu_device *adev)
421{
422 u32 inst_mask;
423 int i;
424
425 WREG32_SOC15(NBIO, 0, regXCC_DOORBELL_FENCE,
426 0xff & ~(adev->gfx.xcc_mask));
427
428 WREG32_SOC15(NBIO, 0, regBIFC_GFX_INT_MONITOR_MASK, 0x7ff);
429
430 inst_mask = adev->aid_mask & ~1U;
431 for_each_inst(i, inst_mask) {
432 WREG32_SOC15_EXT(NBIO, i, regXCC_DOORBELL_FENCE, i,
433 XCC_DOORBELL_FENCE__SHUB_SLV_MODE_MASK);
434
435 }
436
437 if (!amdgpu_sriov_vf(adev)) {
438 u32 baco_cntl;
439 for_each_inst(i, adev->aid_mask) {
440 baco_cntl = RREG32_SOC15(NBIO, i, regBIF_BX0_BACO_CNTL);
441 if (baco_cntl & (BIF_BX0_BACO_CNTL__BACO_DUMMY_EN_MASK |
442 BIF_BX0_BACO_CNTL__BACO_EN_MASK)) {
443 baco_cntl &= ~(
444 BIF_BX0_BACO_CNTL__BACO_DUMMY_EN_MASK |
445 BIF_BX0_BACO_CNTL__BACO_EN_MASK);
446 dev_dbg(adev->dev,
447 "Unsetting baco dummy mode %x",
448 baco_cntl);
449 WREG32_SOC15(NBIO, i, regBIF_BX0_BACO_CNTL,
450 baco_cntl);
451 }
452 }
453 }
454}
455
456static u64 nbio_v7_9_get_pcie_replay_count(struct amdgpu_device *adev)
457{
458 u32 val, nak_r, nak_g;
459
460 if (adev->flags & AMD_IS_APU)
461 return 0;
462
463 /* Get the number of NAKs received and generated */
464 val = RREG32_PCIE(smnPCIEP_NAK_COUNTER);
465 nak_r = val & 0xFFFF;
466 nak_g = val >> 16;
467
468 /* Add the total number of NAKs, i.e the number of replays */
469 return (nak_r + nak_g);
470}
471
472#define MMIO_REG_HOLE_OFFSET 0x1A000
473
474static void nbio_v7_9_set_reg_remap(struct amdgpu_device *adev)
475{
476 if (!amdgpu_sriov_vf(adev) && (PAGE_SIZE <= 4096)) {
477 adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
478 adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
479 } else {
480 adev->rmmio_remap.reg_offset =
481 SOC15_REG_OFFSET(
482 NBIO, 0,
483 regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL)
484 << 2;
485 adev->rmmio_remap.bus_addr = 0;
486 }
487}
488
489const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
490 .get_hdp_flush_req_offset = nbio_v7_9_get_hdp_flush_req_offset,
491 .get_hdp_flush_done_offset = nbio_v7_9_get_hdp_flush_done_offset,
492 .get_pcie_index_offset = nbio_v7_9_get_pcie_index_offset,
493 .get_pcie_data_offset = nbio_v7_9_get_pcie_data_offset,
494 .get_pcie_index_hi_offset = nbio_v7_9_get_pcie_index_hi_offset,
495 .get_rev_id = nbio_v7_9_get_rev_id,
496 .mc_access_enable = nbio_v7_9_mc_access_enable,
497 .get_memsize = nbio_v7_9_get_memsize,
498 .sdma_doorbell_range = nbio_v7_9_sdma_doorbell_range,
499 .vcn_doorbell_range = nbio_v7_9_vcn_doorbell_range,
500 .enable_doorbell_aperture = nbio_v7_9_enable_doorbell_aperture,
501 .enable_doorbell_selfring_aperture = nbio_v7_9_enable_doorbell_selfring_aperture,
502 .ih_doorbell_range = nbio_v7_9_ih_doorbell_range,
503 .enable_doorbell_interrupt = nbio_v7_9_enable_doorbell_interrupt,
504 .update_medium_grain_clock_gating = nbio_v7_9_update_medium_grain_clock_gating,
505 .update_medium_grain_light_sleep = nbio_v7_9_update_medium_grain_light_sleep,
506 .get_clockgating_state = nbio_v7_9_get_clockgating_state,
507 .ih_control = nbio_v7_9_ih_control,
508 .remap_hdp_registers = nbio_v7_9_remap_hdp_registers,
509 .get_compute_partition_mode = nbio_v7_9_get_compute_partition_mode,
510 .get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
511 .init_registers = nbio_v7_9_init_registers,
512 .get_pcie_replay_count = nbio_v7_9_get_pcie_replay_count,
513 .set_reg_remap = nbio_v7_9_set_reg_remap,
514};
515
516static void nbio_v7_9_query_ras_error_count(struct amdgpu_device *adev,
517 void *ras_error_status)
518{
519}
520
521static void nbio_v7_9_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev)
522{
523 uint32_t bif_doorbell_intr_cntl;
524 struct ras_manager *obj = amdgpu_ras_find_obj(adev, adev->nbio.ras_if);
525 struct ras_err_data err_data;
526 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
527
528 if (amdgpu_ras_error_data_init(&err_data))
529 return;
530
531 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
532
533 if (REG_GET_FIELD(bif_doorbell_intr_cntl,
534 BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) {
535 /* driver has to clear the interrupt status when bif ring is disabled */
536 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
537 BIF_BX0_BIF_DOORBELL_INT_CNTL,
538 RAS_CNTLR_INTERRUPT_CLEAR, 1);
539 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
540
541 if (!ras->disable_ras_err_cnt_harvest) {
542 /*
543 * clear error status after ras_controller_intr
544 * according to hw team and count ue number
545 * for query
546 */
547 nbio_v7_9_query_ras_error_count(adev, &err_data);
548
549 /* logging on error cnt and printing for awareness */
550 obj->err_data.ue_count += err_data.ue_count;
551 obj->err_data.ce_count += err_data.ce_count;
552
553 if (err_data.ce_count)
554 dev_info(adev->dev, "%ld correctable hardware "
555 "errors detected in %s block\n",
556 obj->err_data.ce_count,
557 get_ras_block_str(adev->nbio.ras_if));
558
559 if (err_data.ue_count)
560 dev_info(adev->dev, "%ld uncorrectable hardware "
561 "errors detected in %s block\n",
562 obj->err_data.ue_count,
563 get_ras_block_str(adev->nbio.ras_if));
564 }
565
566 dev_info(adev->dev, "RAS controller interrupt triggered "
567 "by NBIF error\n");
568 }
569
570 amdgpu_ras_error_data_fini(&err_data);
571}
572
573static void nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
574{
575 uint32_t bif_doorbell_intr_cntl;
576
577 bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
578
579 if (REG_GET_FIELD(bif_doorbell_intr_cntl,
580 BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) {
581 /* driver has to clear the interrupt status when bif ring is disabled */
582 bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
583 BIF_BX0_BIF_DOORBELL_INT_CNTL,
584 RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
585
586 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
587
588 amdgpu_ras_global_ras_isr(adev);
589 }
590}
591
592static int nbio_v7_9_set_ras_controller_irq_state(struct amdgpu_device *adev,
593 struct amdgpu_irq_src *src,
594 unsigned type,
595 enum amdgpu_interrupt_state state)
596{
597 /* Dummy function, there is no initialization operation in driver */
598
599 return 0;
600}
601
602static int nbio_v7_9_process_ras_controller_irq(struct amdgpu_device *adev,
603 struct amdgpu_irq_src *source,
604 struct amdgpu_iv_entry *entry)
605{
606 /* By design, the ih cookie for ras_controller_irq should be written
607 * to BIFring instead of general iv ring. However, due to known bif ring
608 * hw bug, it has to be disabled. There is no chance the process function
609 * will be involked. Just left it as a dummy one.
610 */
611 return 0;
612}
613
614static int nbio_v7_9_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev,
615 struct amdgpu_irq_src *src,
616 unsigned type,
617 enum amdgpu_interrupt_state state)
618{
619 /* Dummy function, there is no initialization operation in driver */
620
621 return 0;
622}
623
624static int nbio_v7_9_process_err_event_athub_irq(struct amdgpu_device *adev,
625 struct amdgpu_irq_src *source,
626 struct amdgpu_iv_entry *entry)
627{
628 /* By design, the ih cookie for err_event_athub_irq should be written
629 * to BIFring instead of general iv ring. However, due to known bif ring
630 * hw bug, it has to be disabled. There is no chance the process function
631 * will be involked. Just left it as a dummy one.
632 */
633 return 0;
634}
635
636static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_controller_irq_funcs = {
637 .set = nbio_v7_9_set_ras_controller_irq_state,
638 .process = nbio_v7_9_process_ras_controller_irq,
639};
640
641static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_err_event_athub_irq_funcs = {
642 .set = nbio_v7_9_set_ras_err_event_athub_irq_state,
643 .process = nbio_v7_9_process_err_event_athub_irq,
644};
645
646static int nbio_v7_9_init_ras_controller_interrupt (struct amdgpu_device *adev)
647{
648 int r;
649
650 /* init the irq funcs */
651 adev->nbio.ras_controller_irq.funcs =
652 &nbio_v7_9_ras_controller_irq_funcs;
653 adev->nbio.ras_controller_irq.num_types = 1;
654
655 /* register ras controller interrupt */
656 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
657 NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT,
658 &adev->nbio.ras_controller_irq);
659
660 return r;
661}
662
663static int nbio_v7_9_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev)
664{
665
666 int r;
667
668 /* init the irq funcs */
669 adev->nbio.ras_err_event_athub_irq.funcs =
670 &nbio_v7_9_ras_err_event_athub_irq_funcs;
671 adev->nbio.ras_err_event_athub_irq.num_types = 1;
672
673 /* register ras err event athub interrupt */
674 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
675 NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT,
676 &adev->nbio.ras_err_event_athub_irq);
677
678 return r;
679}
680
681const struct amdgpu_ras_block_hw_ops nbio_v7_9_ras_hw_ops = {
682 .query_ras_error_count = nbio_v7_9_query_ras_error_count,
683};
684
685struct amdgpu_nbio_ras nbio_v7_9_ras = {
686 .ras_block = {
687 .ras_comm = {
688 .name = "pcie_bif",
689 .block = AMDGPU_RAS_BLOCK__PCIE_BIF,
690 .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
691 },
692 .hw_ops = &nbio_v7_9_ras_hw_ops,
693 .ras_late_init = amdgpu_nbio_ras_late_init,
694 },
695 .handle_ras_controller_intr_no_bifring = nbio_v7_9_handle_ras_controller_intr_no_bifring,
696 .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring,
697 .init_ras_controller_interrupt = nbio_v7_9_init_ras_controller_interrupt,
698 .init_ras_err_event_athub_interrupt = nbio_v7_9_init_ras_err_event_athub_interrupt,
699};