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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 <linux/module.h>
26#include <linux/pci.h>
27
28#include <drm/drm_cache.h>
29#include "amdgpu.h"
30#include "gmc_v8_0.h"
31#include "amdgpu_ucode.h"
32#include "amdgpu_amdkfd.h"
33#include "amdgpu_gem.h"
34
35#include "gmc/gmc_8_1_d.h"
36#include "gmc/gmc_8_1_sh_mask.h"
37
38#include "bif/bif_5_0_d.h"
39#include "bif/bif_5_0_sh_mask.h"
40
41#include "oss/oss_3_0_d.h"
42#include "oss/oss_3_0_sh_mask.h"
43
44#include "dce/dce_10_0_d.h"
45#include "dce/dce_10_0_sh_mask.h"
46
47#include "vid.h"
48#include "vi.h"
49
50#include "amdgpu_atombios.h"
51
52#include "ivsrcid/ivsrcid_vislands30.h"
53
54static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev);
55static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev);
56static int gmc_v8_0_wait_for_idle(struct amdgpu_ip_block *ip_block);
57
58MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
59MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
60MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
61MODULE_FIRMWARE("amdgpu/polaris12_mc.bin");
62MODULE_FIRMWARE("amdgpu/polaris12_32_mc.bin");
63MODULE_FIRMWARE("amdgpu/polaris11_k_mc.bin");
64MODULE_FIRMWARE("amdgpu/polaris10_k_mc.bin");
65MODULE_FIRMWARE("amdgpu/polaris12_k_mc.bin");
66
67static const u32 golden_settings_tonga_a11[] = {
68 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
69 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
70 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
71 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
72 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
73 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
74 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
75};
76
77static const u32 tonga_mgcg_cgcg_init[] = {
78 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
79};
80
81static const u32 golden_settings_fiji_a10[] = {
82 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
83 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
84 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
85 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
86};
87
88static const u32 fiji_mgcg_cgcg_init[] = {
89 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
90};
91
92static const u32 golden_settings_polaris11_a11[] = {
93 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
94 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
95 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
96 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
97};
98
99static const u32 golden_settings_polaris10_a11[] = {
100 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
101 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
102 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
103 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
104 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
105};
106
107static const u32 cz_mgcg_cgcg_init[] = {
108 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
109};
110
111static const u32 stoney_mgcg_cgcg_init[] = {
112 mmATC_MISC_CG, 0xffffffff, 0x000c0200,
113 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
114};
115
116static const u32 golden_settings_stoney_common[] = {
117 mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004,
118 mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000
119};
120
121static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
122{
123 switch (adev->asic_type) {
124 case CHIP_FIJI:
125 amdgpu_device_program_register_sequence(adev,
126 fiji_mgcg_cgcg_init,
127 ARRAY_SIZE(fiji_mgcg_cgcg_init));
128 amdgpu_device_program_register_sequence(adev,
129 golden_settings_fiji_a10,
130 ARRAY_SIZE(golden_settings_fiji_a10));
131 break;
132 case CHIP_TONGA:
133 amdgpu_device_program_register_sequence(adev,
134 tonga_mgcg_cgcg_init,
135 ARRAY_SIZE(tonga_mgcg_cgcg_init));
136 amdgpu_device_program_register_sequence(adev,
137 golden_settings_tonga_a11,
138 ARRAY_SIZE(golden_settings_tonga_a11));
139 break;
140 case CHIP_POLARIS11:
141 case CHIP_POLARIS12:
142 case CHIP_VEGAM:
143 amdgpu_device_program_register_sequence(adev,
144 golden_settings_polaris11_a11,
145 ARRAY_SIZE(golden_settings_polaris11_a11));
146 break;
147 case CHIP_POLARIS10:
148 amdgpu_device_program_register_sequence(adev,
149 golden_settings_polaris10_a11,
150 ARRAY_SIZE(golden_settings_polaris10_a11));
151 break;
152 case CHIP_CARRIZO:
153 amdgpu_device_program_register_sequence(adev,
154 cz_mgcg_cgcg_init,
155 ARRAY_SIZE(cz_mgcg_cgcg_init));
156 break;
157 case CHIP_STONEY:
158 amdgpu_device_program_register_sequence(adev,
159 stoney_mgcg_cgcg_init,
160 ARRAY_SIZE(stoney_mgcg_cgcg_init));
161 amdgpu_device_program_register_sequence(adev,
162 golden_settings_stoney_common,
163 ARRAY_SIZE(golden_settings_stoney_common));
164 break;
165 default:
166 break;
167 }
168}
169
170static void gmc_v8_0_mc_stop(struct amdgpu_device *adev)
171{
172 u32 blackout;
173 struct amdgpu_ip_block *ip_block;
174
175 ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GMC);
176 if (!ip_block)
177 return;
178
179 gmc_v8_0_wait_for_idle(ip_block);
180
181 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
182 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
183 /* Block CPU access */
184 WREG32(mmBIF_FB_EN, 0);
185 /* blackout the MC */
186 blackout = REG_SET_FIELD(blackout,
187 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1);
188 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
189 }
190 /* wait for the MC to settle */
191 udelay(100);
192}
193
194static void gmc_v8_0_mc_resume(struct amdgpu_device *adev)
195{
196 u32 tmp;
197
198 /* unblackout the MC */
199 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
200 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
201 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
202 /* allow CPU access */
203 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
204 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
205 WREG32(mmBIF_FB_EN, tmp);
206}
207
208/**
209 * gmc_v8_0_init_microcode - load ucode images from disk
210 *
211 * @adev: amdgpu_device pointer
212 *
213 * Use the firmware interface to load the ucode images into
214 * the driver (not loaded into hw).
215 * Returns 0 on success, error on failure.
216 */
217static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
218{
219 const char *chip_name;
220 int err;
221
222 DRM_DEBUG("\n");
223
224 switch (adev->asic_type) {
225 case CHIP_TONGA:
226 chip_name = "tonga";
227 break;
228 case CHIP_POLARIS11:
229 if (ASICID_IS_P21(adev->pdev->device, adev->pdev->revision) ||
230 ASICID_IS_P31(adev->pdev->device, adev->pdev->revision))
231 chip_name = "polaris11_k";
232 else
233 chip_name = "polaris11";
234 break;
235 case CHIP_POLARIS10:
236 if (ASICID_IS_P30(adev->pdev->device, adev->pdev->revision))
237 chip_name = "polaris10_k";
238 else
239 chip_name = "polaris10";
240 break;
241 case CHIP_POLARIS12:
242 if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision)) {
243 chip_name = "polaris12_k";
244 } else {
245 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, ixMC_IO_DEBUG_UP_159);
246 /* Polaris12 32bit ASIC needs a special MC firmware */
247 if (RREG32(mmMC_SEQ_IO_DEBUG_DATA) == 0x05b4dc40)
248 chip_name = "polaris12_32";
249 else
250 chip_name = "polaris12";
251 }
252 break;
253 case CHIP_FIJI:
254 case CHIP_CARRIZO:
255 case CHIP_STONEY:
256 case CHIP_VEGAM:
257 return 0;
258 default:
259 return -EINVAL;
260 }
261
262 err = amdgpu_ucode_request(adev, &adev->gmc.fw, "amdgpu/%s_mc.bin", chip_name);
263 if (err) {
264 pr_err("mc: Failed to load firmware \"%s_mc.bin\"\n", chip_name);
265 amdgpu_ucode_release(&adev->gmc.fw);
266 }
267 return err;
268}
269
270/**
271 * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw
272 *
273 * @adev: amdgpu_device pointer
274 *
275 * Load the GDDR MC ucode into the hw (VI).
276 * Returns 0 on success, error on failure.
277 */
278static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev)
279{
280 const struct mc_firmware_header_v1_0 *hdr;
281 const __le32 *fw_data = NULL;
282 const __le32 *io_mc_regs = NULL;
283 u32 running;
284 int i, ucode_size, regs_size;
285
286 /* Skip MC ucode loading on SR-IOV capable boards.
287 * vbios does this for us in asic_init in that case.
288 * Skip MC ucode loading on VF, because hypervisor will do that
289 * for this adaptor.
290 */
291 if (amdgpu_sriov_bios(adev))
292 return 0;
293
294 if (!adev->gmc.fw)
295 return -EINVAL;
296
297 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
298 amdgpu_ucode_print_mc_hdr(&hdr->header);
299
300 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
301 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
302 io_mc_regs = (const __le32 *)
303 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
304 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
305 fw_data = (const __le32 *)
306 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
307
308 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
309
310 if (running == 0) {
311 /* reset the engine and set to writable */
312 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
313 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
314
315 /* load mc io regs */
316 for (i = 0; i < regs_size; i++) {
317 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
318 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
319 }
320 /* load the MC ucode */
321 for (i = 0; i < ucode_size; i++)
322 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
323
324 /* put the engine back into the active state */
325 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
326 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
327 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
328
329 /* wait for training to complete */
330 for (i = 0; i < adev->usec_timeout; i++) {
331 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
332 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
333 break;
334 udelay(1);
335 }
336 for (i = 0; i < adev->usec_timeout; i++) {
337 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
338 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
339 break;
340 udelay(1);
341 }
342 }
343
344 return 0;
345}
346
347static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev)
348{
349 const struct mc_firmware_header_v1_0 *hdr;
350 const __le32 *fw_data = NULL;
351 const __le32 *io_mc_regs = NULL;
352 u32 data;
353 int i, ucode_size, regs_size;
354
355 /* Skip MC ucode loading on SR-IOV capable boards.
356 * vbios does this for us in asic_init in that case.
357 * Skip MC ucode loading on VF, because hypervisor will do that
358 * for this adaptor.
359 */
360 if (amdgpu_sriov_bios(adev))
361 return 0;
362
363 if (!adev->gmc.fw)
364 return -EINVAL;
365
366 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
367 amdgpu_ucode_print_mc_hdr(&hdr->header);
368
369 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
370 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
371 io_mc_regs = (const __le32 *)
372 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
373 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
374 fw_data = (const __le32 *)
375 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
376
377 data = RREG32(mmMC_SEQ_MISC0);
378 data &= ~(0x40);
379 WREG32(mmMC_SEQ_MISC0, data);
380
381 /* load mc io regs */
382 for (i = 0; i < regs_size; i++) {
383 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
384 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
385 }
386
387 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
388 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
389
390 /* load the MC ucode */
391 for (i = 0; i < ucode_size; i++)
392 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
393
394 /* put the engine back into the active state */
395 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
396 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
397 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
398
399 /* wait for training to complete */
400 for (i = 0; i < adev->usec_timeout; i++) {
401 data = RREG32(mmMC_SEQ_MISC0);
402 if (data & 0x80)
403 break;
404 udelay(1);
405 }
406
407 return 0;
408}
409
410static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
411 struct amdgpu_gmc *mc)
412{
413 u64 base = 0;
414
415 if (!amdgpu_sriov_vf(adev))
416 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
417 base <<= 24;
418
419 amdgpu_gmc_set_agp_default(adev, mc);
420 amdgpu_gmc_vram_location(adev, mc, base);
421 amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
422}
423
424/**
425 * gmc_v8_0_mc_program - program the GPU memory controller
426 *
427 * @adev: amdgpu_device pointer
428 *
429 * Set the location of vram, gart, and AGP in the GPU's
430 * physical address space (VI).
431 */
432static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
433{
434 struct amdgpu_ip_block *ip_block;
435 u32 tmp;
436 int i, j;
437
438 /* Initialize HDP */
439 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
440 WREG32((0xb05 + j), 0x00000000);
441 WREG32((0xb06 + j), 0x00000000);
442 WREG32((0xb07 + j), 0x00000000);
443 WREG32((0xb08 + j), 0x00000000);
444 WREG32((0xb09 + j), 0x00000000);
445 }
446 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
447
448 ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GMC);
449 if (!ip_block)
450 return;
451
452 if (gmc_v8_0_wait_for_idle(ip_block))
453 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
454
455 if (adev->mode_info.num_crtc) {
456 /* Lockout access through VGA aperture*/
457 tmp = RREG32(mmVGA_HDP_CONTROL);
458 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
459 WREG32(mmVGA_HDP_CONTROL, tmp);
460
461 /* disable VGA render */
462 tmp = RREG32(mmVGA_RENDER_CONTROL);
463 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
464 WREG32(mmVGA_RENDER_CONTROL, tmp);
465 }
466 /* Update configuration */
467 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
468 adev->gmc.vram_start >> 12);
469 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
470 adev->gmc.vram_end >> 12);
471 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
472 adev->mem_scratch.gpu_addr >> 12);
473
474 if (amdgpu_sriov_vf(adev)) {
475 tmp = ((adev->gmc.vram_end >> 24) & 0xFFFF) << 16;
476 tmp |= ((adev->gmc.vram_start >> 24) & 0xFFFF);
477 WREG32(mmMC_VM_FB_LOCATION, tmp);
478 /* XXX double check these! */
479 WREG32(mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
480 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
481 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
482 }
483
484 WREG32(mmMC_VM_AGP_BASE, 0);
485 WREG32(mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 22);
486 WREG32(mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 22);
487 if (gmc_v8_0_wait_for_idle(ip_block))
488 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
489
490 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
491
492 tmp = RREG32(mmHDP_MISC_CNTL);
493 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
494 WREG32(mmHDP_MISC_CNTL, tmp);
495
496 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
497 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
498}
499
500/**
501 * gmc_v8_0_mc_init - initialize the memory controller driver params
502 *
503 * @adev: amdgpu_device pointer
504 *
505 * Look up the amount of vram, vram width, and decide how to place
506 * vram and gart within the GPU's physical address space (VI).
507 * Returns 0 for success.
508 */
509static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
510{
511 int r;
512 u32 tmp;
513
514 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
515 if (!adev->gmc.vram_width) {
516 int chansize, numchan;
517
518 /* Get VRAM informations */
519 tmp = RREG32(mmMC_ARB_RAMCFG);
520 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE))
521 chansize = 64;
522 else
523 chansize = 32;
524
525 tmp = RREG32(mmMC_SHARED_CHMAP);
526 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
527 case 0:
528 default:
529 numchan = 1;
530 break;
531 case 1:
532 numchan = 2;
533 break;
534 case 2:
535 numchan = 4;
536 break;
537 case 3:
538 numchan = 8;
539 break;
540 case 4:
541 numchan = 3;
542 break;
543 case 5:
544 numchan = 6;
545 break;
546 case 6:
547 numchan = 10;
548 break;
549 case 7:
550 numchan = 12;
551 break;
552 case 8:
553 numchan = 16;
554 break;
555 }
556 adev->gmc.vram_width = numchan * chansize;
557 }
558 /* size in MB on si */
559 tmp = RREG32(mmCONFIG_MEMSIZE);
560 /* some boards may have garbage in the upper 16 bits */
561 if (tmp & 0xffff0000) {
562 DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
563 if (tmp & 0xffff)
564 tmp &= 0xffff;
565 }
566 adev->gmc.mc_vram_size = tmp * 1024ULL * 1024ULL;
567 adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
568
569 if (!(adev->flags & AMD_IS_APU)) {
570 r = amdgpu_device_resize_fb_bar(adev);
571 if (r)
572 return r;
573 }
574 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
575 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
576
577#ifdef CONFIG_X86_64
578 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
579 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
580 adev->gmc.aper_size = adev->gmc.real_vram_size;
581 }
582#endif
583
584 adev->gmc.visible_vram_size = adev->gmc.aper_size;
585
586 /* set the gart size */
587 if (amdgpu_gart_size == -1) {
588 switch (adev->asic_type) {
589 case CHIP_POLARIS10: /* all engines support GPUVM */
590 case CHIP_POLARIS11: /* all engines support GPUVM */
591 case CHIP_POLARIS12: /* all engines support GPUVM */
592 case CHIP_VEGAM: /* all engines support GPUVM */
593 default:
594 adev->gmc.gart_size = 256ULL << 20;
595 break;
596 case CHIP_TONGA: /* UVD, VCE do not support GPUVM */
597 case CHIP_FIJI: /* UVD, VCE do not support GPUVM */
598 case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
599 case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */
600 adev->gmc.gart_size = 1024ULL << 20;
601 break;
602 }
603 } else {
604 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
605 }
606
607 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
608 gmc_v8_0_vram_gtt_location(adev, &adev->gmc);
609
610 return 0;
611}
612
613/**
614 * gmc_v8_0_flush_gpu_tlb_pasid - tlb flush via pasid
615 *
616 * @adev: amdgpu_device pointer
617 * @pasid: pasid to be flush
618 * @flush_type: type of flush
619 * @all_hub: flush all hubs
620 * @inst: is used to select which instance of KIQ to use for the invalidation
621 *
622 * Flush the TLB for the requested pasid.
623 */
624static void gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
625 uint16_t pasid, uint32_t flush_type,
626 bool all_hub, uint32_t inst)
627{
628 u32 mask = 0x0;
629 int vmid;
630
631 for (vmid = 1; vmid < 16; vmid++) {
632 u32 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
633
634 if ((tmp & ATC_VMID0_PASID_MAPPING__VALID_MASK) &&
635 (tmp & ATC_VMID0_PASID_MAPPING__PASID_MASK) == pasid)
636 mask |= 1 << vmid;
637 }
638
639 WREG32(mmVM_INVALIDATE_REQUEST, mask);
640 RREG32(mmVM_INVALIDATE_RESPONSE);
641}
642
643/*
644 * GART
645 * VMID 0 is the physical GPU addresses as used by the kernel.
646 * VMIDs 1-15 are used for userspace clients and are handled
647 * by the amdgpu vm/hsa code.
648 */
649
650/**
651 * gmc_v8_0_flush_gpu_tlb - gart tlb flush callback
652 *
653 * @adev: amdgpu_device pointer
654 * @vmid: vm instance to flush
655 * @vmhub: which hub to flush
656 * @flush_type: type of flush
657 *
658 * Flush the TLB for the requested page table (VI).
659 */
660static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
661 uint32_t vmhub, uint32_t flush_type)
662{
663 /* bits 0-15 are the VM contexts0-15 */
664 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
665}
666
667static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
668 unsigned int vmid, uint64_t pd_addr)
669{
670 uint32_t reg;
671
672 if (vmid < 8)
673 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
674 else
675 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8;
676 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
677
678 /* bits 0-15 are the VM contexts0-15 */
679 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
680
681 return pd_addr;
682}
683
684static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
685 unsigned int pasid)
686{
687 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
688}
689
690/*
691 * PTE format on VI:
692 * 63:40 reserved
693 * 39:12 4k physical page base address
694 * 11:7 fragment
695 * 6 write
696 * 5 read
697 * 4 exe
698 * 3 reserved
699 * 2 snooped
700 * 1 system
701 * 0 valid
702 *
703 * PDE format on VI:
704 * 63:59 block fragment size
705 * 58:40 reserved
706 * 39:1 physical base address of PTE
707 * bits 5:1 must be 0.
708 * 0 valid
709 */
710
711static void gmc_v8_0_get_vm_pde(struct amdgpu_device *adev, int level,
712 uint64_t *addr, uint64_t *flags)
713{
714 BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
715}
716
717static void gmc_v8_0_get_vm_pte(struct amdgpu_device *adev,
718 struct amdgpu_bo_va_mapping *mapping,
719 uint64_t *flags)
720{
721 *flags &= ~AMDGPU_PTE_EXECUTABLE;
722 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
723 *flags &= ~AMDGPU_PTE_PRT;
724}
725
726/**
727 * gmc_v8_0_set_fault_enable_default - update VM fault handling
728 *
729 * @adev: amdgpu_device pointer
730 * @value: true redirects VM faults to the default page
731 */
732static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev,
733 bool value)
734{
735 u32 tmp;
736
737 tmp = RREG32(mmVM_CONTEXT1_CNTL);
738 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
739 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
740 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
741 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
742 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
743 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
744 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
745 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
746 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
747 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
748 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
749 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
750 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
751 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
752 WREG32(mmVM_CONTEXT1_CNTL, tmp);
753}
754
755/**
756 * gmc_v8_0_set_prt() - set PRT VM fault
757 *
758 * @adev: amdgpu_device pointer
759 * @enable: enable/disable VM fault handling for PRT
760 */
761static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable)
762{
763 u32 tmp;
764
765 if (enable && !adev->gmc.prt_warning) {
766 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
767 adev->gmc.prt_warning = true;
768 }
769
770 tmp = RREG32(mmVM_PRT_CNTL);
771 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
772 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
773 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
774 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
775 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
776 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
777 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
778 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
779 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
780 L2_CACHE_STORE_INVALID_ENTRIES, enable);
781 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
782 L1_TLB_STORE_INVALID_ENTRIES, enable);
783 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
784 MASK_PDE0_FAULT, enable);
785 WREG32(mmVM_PRT_CNTL, tmp);
786
787 if (enable) {
788 uint32_t low = AMDGPU_VA_RESERVED_BOTTOM >>
789 AMDGPU_GPU_PAGE_SHIFT;
790 uint32_t high = adev->vm_manager.max_pfn -
791 (AMDGPU_VA_RESERVED_TOP >> AMDGPU_GPU_PAGE_SHIFT);
792
793 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
794 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
795 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
796 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
797 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
798 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
799 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
800 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
801 } else {
802 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
803 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
804 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
805 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
806 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
807 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
808 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
809 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
810 }
811}
812
813/**
814 * gmc_v8_0_gart_enable - gart enable
815 *
816 * @adev: amdgpu_device pointer
817 *
818 * This sets up the TLBs, programs the page tables for VMID0,
819 * sets up the hw for VMIDs 1-15 which are allocated on
820 * demand, and sets up the global locations for the LDS, GDS,
821 * and GPUVM for FSA64 clients (VI).
822 * Returns 0 for success, errors for failure.
823 */
824static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
825{
826 uint64_t table_addr;
827 u32 tmp, field;
828 int i;
829
830 if (adev->gart.bo == NULL) {
831 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
832 return -EINVAL;
833 }
834 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
835 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
836
837 /* Setup TLB control */
838 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
839 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
840 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
841 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
842 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
843 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
844 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
845 /* Setup L2 cache */
846 tmp = RREG32(mmVM_L2_CNTL);
847 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
848 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
849 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
850 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
851 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
852 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
853 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
854 WREG32(mmVM_L2_CNTL, tmp);
855 tmp = RREG32(mmVM_L2_CNTL2);
856 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
857 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
858 WREG32(mmVM_L2_CNTL2, tmp);
859
860 field = adev->vm_manager.fragment_size;
861 tmp = RREG32(mmVM_L2_CNTL3);
862 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
863 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
864 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
865 WREG32(mmVM_L2_CNTL3, tmp);
866 /* XXX: set to enable PTE/PDE in system memory */
867 tmp = RREG32(mmVM_L2_CNTL4);
868 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0);
869 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0);
870 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0);
871 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0);
872 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0);
873 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0);
874 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0);
875 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0);
876 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0);
877 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0);
878 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0);
879 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0);
880 WREG32(mmVM_L2_CNTL4, tmp);
881 /* setup context0 */
882 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
883 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
884 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12);
885 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
886 (u32)(adev->dummy_page_addr >> 12));
887 WREG32(mmVM_CONTEXT0_CNTL2, 0);
888 tmp = RREG32(mmVM_CONTEXT0_CNTL);
889 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
890 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
891 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
892 WREG32(mmVM_CONTEXT0_CNTL, tmp);
893
894 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0);
895 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0);
896 WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0);
897
898 /* empty context1-15 */
899 /* FIXME start with 4G, once using 2 level pt switch to full
900 * vm size space
901 */
902 /* set vm size, must be a multiple of 4 */
903 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
904 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
905 for (i = 1; i < AMDGPU_NUM_VMID; i++) {
906 if (i < 8)
907 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
908 table_addr >> 12);
909 else
910 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
911 table_addr >> 12);
912 }
913
914 /* enable context1-15 */
915 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
916 (u32)(adev->dummy_page_addr >> 12));
917 WREG32(mmVM_CONTEXT1_CNTL2, 4);
918 tmp = RREG32(mmVM_CONTEXT1_CNTL);
919 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
920 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
921 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
922 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
923 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
924 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
925 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
926 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
927 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
928 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
929 adev->vm_manager.block_size - 9);
930 WREG32(mmVM_CONTEXT1_CNTL, tmp);
931 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
932 gmc_v8_0_set_fault_enable_default(adev, false);
933 else
934 gmc_v8_0_set_fault_enable_default(adev, true);
935
936 gmc_v8_0_flush_gpu_tlb(adev, 0, 0, 0);
937 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
938 (unsigned int)(adev->gmc.gart_size >> 20),
939 (unsigned long long)table_addr);
940 return 0;
941}
942
943static int gmc_v8_0_gart_init(struct amdgpu_device *adev)
944{
945 int r;
946
947 if (adev->gart.bo) {
948 WARN(1, "R600 PCIE GART already initialized\n");
949 return 0;
950 }
951 /* Initialize common gart structure */
952 r = amdgpu_gart_init(adev);
953 if (r)
954 return r;
955 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
956 adev->gart.gart_pte_flags = AMDGPU_PTE_EXECUTABLE;
957 return amdgpu_gart_table_vram_alloc(adev);
958}
959
960/**
961 * gmc_v8_0_gart_disable - gart disable
962 *
963 * @adev: amdgpu_device pointer
964 *
965 * This disables all VM page table (VI).
966 */
967static void gmc_v8_0_gart_disable(struct amdgpu_device *adev)
968{
969 u32 tmp;
970
971 /* Disable all tables */
972 WREG32(mmVM_CONTEXT0_CNTL, 0);
973 WREG32(mmVM_CONTEXT1_CNTL, 0);
974 /* Setup TLB control */
975 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
976 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
977 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
978 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
979 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
980 /* Setup L2 cache */
981 tmp = RREG32(mmVM_L2_CNTL);
982 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
983 WREG32(mmVM_L2_CNTL, tmp);
984 WREG32(mmVM_L2_CNTL2, 0);
985}
986
987/**
988 * gmc_v8_0_vm_decode_fault - print human readable fault info
989 *
990 * @adev: amdgpu_device pointer
991 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
992 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
993 * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value
994 * @pasid: debug logging only - no functional use
995 *
996 * Print human readable fault information (VI).
997 */
998static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status,
999 u32 addr, u32 mc_client, unsigned int pasid)
1000{
1001 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
1002 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1003 PROTECTIONS);
1004 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
1005 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
1006 u32 mc_id;
1007
1008 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1009 MEMORY_CLIENT_ID);
1010
1011 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
1012 protections, vmid, pasid, addr,
1013 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1014 MEMORY_CLIENT_RW) ?
1015 "write" : "read", block, mc_client, mc_id);
1016}
1017
1018static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type)
1019{
1020 switch (mc_seq_vram_type) {
1021 case MC_SEQ_MISC0__MT__GDDR1:
1022 return AMDGPU_VRAM_TYPE_GDDR1;
1023 case MC_SEQ_MISC0__MT__DDR2:
1024 return AMDGPU_VRAM_TYPE_DDR2;
1025 case MC_SEQ_MISC0__MT__GDDR3:
1026 return AMDGPU_VRAM_TYPE_GDDR3;
1027 case MC_SEQ_MISC0__MT__GDDR4:
1028 return AMDGPU_VRAM_TYPE_GDDR4;
1029 case MC_SEQ_MISC0__MT__GDDR5:
1030 return AMDGPU_VRAM_TYPE_GDDR5;
1031 case MC_SEQ_MISC0__MT__HBM:
1032 return AMDGPU_VRAM_TYPE_HBM;
1033 case MC_SEQ_MISC0__MT__DDR3:
1034 return AMDGPU_VRAM_TYPE_DDR3;
1035 default:
1036 return AMDGPU_VRAM_TYPE_UNKNOWN;
1037 }
1038}
1039
1040static int gmc_v8_0_early_init(struct amdgpu_ip_block *ip_block)
1041{
1042 struct amdgpu_device *adev = ip_block->adev;
1043
1044 gmc_v8_0_set_gmc_funcs(adev);
1045 gmc_v8_0_set_irq_funcs(adev);
1046
1047 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
1048 adev->gmc.shared_aperture_end =
1049 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
1050 adev->gmc.private_aperture_start =
1051 adev->gmc.shared_aperture_end + 1;
1052 adev->gmc.private_aperture_end =
1053 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
1054 adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
1055
1056 return 0;
1057}
1058
1059static int gmc_v8_0_late_init(struct amdgpu_ip_block *ip_block)
1060{
1061 struct amdgpu_device *adev = ip_block->adev;
1062
1063 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
1064 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
1065 else
1066 return 0;
1067}
1068
1069static unsigned int gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev)
1070{
1071 u32 d1vga_control = RREG32(mmD1VGA_CONTROL);
1072 unsigned int size;
1073
1074 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
1075 size = AMDGPU_VBIOS_VGA_ALLOCATION;
1076 } else {
1077 u32 viewport = RREG32(mmVIEWPORT_SIZE);
1078
1079 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
1080 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) *
1081 4);
1082 }
1083
1084 return size;
1085}
1086
1087#define mmMC_SEQ_MISC0_FIJI 0xA71
1088
1089static int gmc_v8_0_sw_init(struct amdgpu_ip_block *ip_block)
1090{
1091 int r;
1092 struct amdgpu_device *adev = ip_block->adev;
1093
1094 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
1095
1096 if (adev->flags & AMD_IS_APU) {
1097 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
1098 } else {
1099 u32 tmp;
1100
1101 if ((adev->asic_type == CHIP_FIJI) ||
1102 (adev->asic_type == CHIP_VEGAM))
1103 tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
1104 else
1105 tmp = RREG32(mmMC_SEQ_MISC0);
1106 tmp &= MC_SEQ_MISC0__MT__MASK;
1107 adev->gmc.vram_type = gmc_v8_0_convert_vram_type(tmp);
1108 }
1109
1110 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault);
1111 if (r)
1112 return r;
1113
1114 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault);
1115 if (r)
1116 return r;
1117
1118 /* Adjust VM size here.
1119 * Currently set to 4GB ((1 << 20) 4k pages).
1120 * Max GPUVM size for cayman and SI is 40 bits.
1121 */
1122 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
1123
1124 /* Set the internal MC address mask
1125 * This is the max address of the GPU's
1126 * internal address space.
1127 */
1128 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
1129
1130 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
1131 if (r) {
1132 pr_warn("No suitable DMA available\n");
1133 return r;
1134 }
1135 adev->need_swiotlb = drm_need_swiotlb(40);
1136
1137 r = gmc_v8_0_init_microcode(adev);
1138 if (r) {
1139 DRM_ERROR("Failed to load mc firmware!\n");
1140 return r;
1141 }
1142
1143 r = gmc_v8_0_mc_init(adev);
1144 if (r)
1145 return r;
1146
1147 amdgpu_gmc_get_vbios_allocations(adev);
1148
1149 /* Memory manager */
1150 r = amdgpu_bo_init(adev);
1151 if (r)
1152 return r;
1153
1154 r = gmc_v8_0_gart_init(adev);
1155 if (r)
1156 return r;
1157
1158 /*
1159 * number of VMs
1160 * VMID 0 is reserved for System
1161 * amdgpu graphics/compute will use VMIDs 1-7
1162 * amdkfd will use VMIDs 8-15
1163 */
1164 adev->vm_manager.first_kfd_vmid = 8;
1165 amdgpu_vm_manager_init(adev);
1166
1167 /* base offset of vram pages */
1168 if (adev->flags & AMD_IS_APU) {
1169 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
1170
1171 tmp <<= 22;
1172 adev->vm_manager.vram_base_offset = tmp;
1173 } else {
1174 adev->vm_manager.vram_base_offset = 0;
1175 }
1176
1177 adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info),
1178 GFP_KERNEL);
1179 if (!adev->gmc.vm_fault_info)
1180 return -ENOMEM;
1181 atomic_set(&adev->gmc.vm_fault_info_updated, 0);
1182
1183 return 0;
1184}
1185
1186static int gmc_v8_0_sw_fini(struct amdgpu_ip_block *ip_block)
1187{
1188 struct amdgpu_device *adev = ip_block->adev;
1189
1190 amdgpu_gem_force_release(adev);
1191 amdgpu_vm_manager_fini(adev);
1192 kfree(adev->gmc.vm_fault_info);
1193 amdgpu_gart_table_vram_free(adev);
1194 amdgpu_bo_fini(adev);
1195 amdgpu_ucode_release(&adev->gmc.fw);
1196
1197 return 0;
1198}
1199
1200static int gmc_v8_0_hw_init(struct amdgpu_ip_block *ip_block)
1201{
1202 int r;
1203 struct amdgpu_device *adev = ip_block->adev;
1204
1205 gmc_v8_0_init_golden_registers(adev);
1206
1207 gmc_v8_0_mc_program(adev);
1208
1209 if (adev->asic_type == CHIP_TONGA) {
1210 r = gmc_v8_0_tonga_mc_load_microcode(adev);
1211 if (r) {
1212 DRM_ERROR("Failed to load MC firmware!\n");
1213 return r;
1214 }
1215 } else if (adev->asic_type == CHIP_POLARIS11 ||
1216 adev->asic_type == CHIP_POLARIS10 ||
1217 adev->asic_type == CHIP_POLARIS12) {
1218 r = gmc_v8_0_polaris_mc_load_microcode(adev);
1219 if (r) {
1220 DRM_ERROR("Failed to load MC firmware!\n");
1221 return r;
1222 }
1223 }
1224
1225 r = gmc_v8_0_gart_enable(adev);
1226 if (r)
1227 return r;
1228
1229 if (amdgpu_emu_mode == 1)
1230 return amdgpu_gmc_vram_checking(adev);
1231
1232 return 0;
1233}
1234
1235static int gmc_v8_0_hw_fini(struct amdgpu_ip_block *ip_block)
1236{
1237 struct amdgpu_device *adev = ip_block->adev;
1238
1239 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1240 gmc_v8_0_gart_disable(adev);
1241
1242 return 0;
1243}
1244
1245static int gmc_v8_0_suspend(struct amdgpu_ip_block *ip_block)
1246{
1247 gmc_v8_0_hw_fini(ip_block);
1248
1249 return 0;
1250}
1251
1252static int gmc_v8_0_resume(struct amdgpu_ip_block *ip_block)
1253{
1254 int r;
1255
1256 r = gmc_v8_0_hw_init(ip_block);
1257 if (r)
1258 return r;
1259
1260 amdgpu_vmid_reset_all(ip_block->adev);
1261
1262 return 0;
1263}
1264
1265static bool gmc_v8_0_is_idle(void *handle)
1266{
1267 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1268 u32 tmp = RREG32(mmSRBM_STATUS);
1269
1270 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1271 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1272 return false;
1273
1274 return true;
1275}
1276
1277static int gmc_v8_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
1278{
1279 unsigned int i;
1280 u32 tmp;
1281 struct amdgpu_device *adev = ip_block->adev;
1282
1283 for (i = 0; i < adev->usec_timeout; i++) {
1284 /* read MC_STATUS */
1285 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1286 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1287 SRBM_STATUS__MCC_BUSY_MASK |
1288 SRBM_STATUS__MCD_BUSY_MASK |
1289 SRBM_STATUS__VMC_BUSY_MASK |
1290 SRBM_STATUS__VMC1_BUSY_MASK);
1291 if (!tmp)
1292 return 0;
1293 udelay(1);
1294 }
1295 return -ETIMEDOUT;
1296
1297}
1298
1299static bool gmc_v8_0_check_soft_reset(struct amdgpu_ip_block *ip_block)
1300{
1301 u32 srbm_soft_reset = 0;
1302 struct amdgpu_device *adev = ip_block->adev;
1303 u32 tmp = RREG32(mmSRBM_STATUS);
1304
1305 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1306 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1307 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1308
1309 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1310 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1311 if (!(adev->flags & AMD_IS_APU))
1312 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1313 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1314 }
1315
1316 if (srbm_soft_reset) {
1317 adev->gmc.srbm_soft_reset = srbm_soft_reset;
1318 return true;
1319 }
1320
1321 adev->gmc.srbm_soft_reset = 0;
1322
1323 return false;
1324}
1325
1326static int gmc_v8_0_pre_soft_reset(struct amdgpu_ip_block *ip_block)
1327{
1328 struct amdgpu_device *adev = ip_block->adev;
1329
1330 if (!adev->gmc.srbm_soft_reset)
1331 return 0;
1332
1333 gmc_v8_0_mc_stop(adev);
1334 if (gmc_v8_0_wait_for_idle(ip_block))
1335 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1336
1337 return 0;
1338}
1339
1340static int gmc_v8_0_soft_reset(struct amdgpu_ip_block *ip_block)
1341{
1342 struct amdgpu_device *adev = ip_block->adev;
1343 u32 srbm_soft_reset;
1344
1345 if (!adev->gmc.srbm_soft_reset)
1346 return 0;
1347 srbm_soft_reset = adev->gmc.srbm_soft_reset;
1348
1349 if (srbm_soft_reset) {
1350 u32 tmp;
1351
1352 tmp = RREG32(mmSRBM_SOFT_RESET);
1353 tmp |= srbm_soft_reset;
1354 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1355 WREG32(mmSRBM_SOFT_RESET, tmp);
1356 tmp = RREG32(mmSRBM_SOFT_RESET);
1357
1358 udelay(50);
1359
1360 tmp &= ~srbm_soft_reset;
1361 WREG32(mmSRBM_SOFT_RESET, tmp);
1362 tmp = RREG32(mmSRBM_SOFT_RESET);
1363
1364 /* Wait a little for things to settle down */
1365 udelay(50);
1366 }
1367
1368 return 0;
1369}
1370
1371static int gmc_v8_0_post_soft_reset(struct amdgpu_ip_block *ip_block)
1372{
1373 struct amdgpu_device *adev = ip_block->adev;
1374
1375 if (!adev->gmc.srbm_soft_reset)
1376 return 0;
1377
1378 gmc_v8_0_mc_resume(adev);
1379 return 0;
1380}
1381
1382static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1383 struct amdgpu_irq_src *src,
1384 unsigned int type,
1385 enum amdgpu_interrupt_state state)
1386{
1387 u32 tmp;
1388 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1389 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1390 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1391 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1392 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1393 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1394 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1395
1396 switch (state) {
1397 case AMDGPU_IRQ_STATE_DISABLE:
1398 /* system context */
1399 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1400 tmp &= ~bits;
1401 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1402 /* VMs */
1403 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1404 tmp &= ~bits;
1405 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1406 break;
1407 case AMDGPU_IRQ_STATE_ENABLE:
1408 /* system context */
1409 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1410 tmp |= bits;
1411 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1412 /* VMs */
1413 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1414 tmp |= bits;
1415 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1416 break;
1417 default:
1418 break;
1419 }
1420
1421 return 0;
1422}
1423
1424static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
1425 struct amdgpu_irq_src *source,
1426 struct amdgpu_iv_entry *entry)
1427{
1428 u32 addr, status, mc_client, vmid;
1429
1430 if (amdgpu_sriov_vf(adev)) {
1431 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1432 entry->src_id, entry->src_data[0]);
1433 dev_err(adev->dev, " Can't decode VM fault info here on SRIOV VF\n");
1434 return 0;
1435 }
1436
1437 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1438 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1439 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1440 /* reset addr and status */
1441 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1442
1443 if (!addr && !status)
1444 return 0;
1445
1446 amdgpu_vm_update_fault_cache(adev, entry->pasid,
1447 ((u64)addr) << AMDGPU_GPU_PAGE_SHIFT, status, AMDGPU_GFXHUB(0));
1448
1449 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1450 gmc_v8_0_set_fault_enable_default(adev, false);
1451
1452 if (printk_ratelimit()) {
1453 struct amdgpu_task_info *task_info;
1454
1455 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1456 entry->src_id, entry->src_data[0]);
1457
1458 task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
1459 if (task_info) {
1460 dev_err(adev->dev, " for process %s pid %d thread %s pid %d\n",
1461 task_info->process_name, task_info->tgid,
1462 task_info->task_name, task_info->pid);
1463 amdgpu_vm_put_task_info(task_info);
1464 }
1465
1466 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1467 addr);
1468 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1469 status);
1470
1471 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client,
1472 entry->pasid);
1473 }
1474
1475 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1476 VMID);
1477 if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid)
1478 && !atomic_read(&adev->gmc.vm_fault_info_updated)) {
1479 struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info;
1480 u32 protections = REG_GET_FIELD(status,
1481 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1482 PROTECTIONS);
1483
1484 info->vmid = vmid;
1485 info->mc_id = REG_GET_FIELD(status,
1486 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1487 MEMORY_CLIENT_ID);
1488 info->status = status;
1489 info->page_addr = addr;
1490 info->prot_valid = protections & 0x7 ? true : false;
1491 info->prot_read = protections & 0x8 ? true : false;
1492 info->prot_write = protections & 0x10 ? true : false;
1493 info->prot_exec = protections & 0x20 ? true : false;
1494 mb();
1495 atomic_set(&adev->gmc.vm_fault_info_updated, 1);
1496 }
1497
1498 return 0;
1499}
1500
1501static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
1502 bool enable)
1503{
1504 uint32_t data;
1505
1506 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
1507 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1508 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1509 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1510
1511 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1512 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1513 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1514
1515 data = RREG32(mmMC_HUB_MISC_VM_CG);
1516 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK;
1517 WREG32(mmMC_HUB_MISC_VM_CG, data);
1518
1519 data = RREG32(mmMC_XPB_CLK_GAT);
1520 data |= MC_XPB_CLK_GAT__ENABLE_MASK;
1521 WREG32(mmMC_XPB_CLK_GAT, data);
1522
1523 data = RREG32(mmATC_MISC_CG);
1524 data |= ATC_MISC_CG__ENABLE_MASK;
1525 WREG32(mmATC_MISC_CG, data);
1526
1527 data = RREG32(mmMC_CITF_MISC_WR_CG);
1528 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK;
1529 WREG32(mmMC_CITF_MISC_WR_CG, data);
1530
1531 data = RREG32(mmMC_CITF_MISC_RD_CG);
1532 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK;
1533 WREG32(mmMC_CITF_MISC_RD_CG, data);
1534
1535 data = RREG32(mmMC_CITF_MISC_VM_CG);
1536 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK;
1537 WREG32(mmMC_CITF_MISC_VM_CG, data);
1538
1539 data = RREG32(mmVM_L2_CG);
1540 data |= VM_L2_CG__ENABLE_MASK;
1541 WREG32(mmVM_L2_CG, data);
1542 } else {
1543 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1544 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1545 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1546
1547 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1548 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1549 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1550
1551 data = RREG32(mmMC_HUB_MISC_VM_CG);
1552 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK;
1553 WREG32(mmMC_HUB_MISC_VM_CG, data);
1554
1555 data = RREG32(mmMC_XPB_CLK_GAT);
1556 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK;
1557 WREG32(mmMC_XPB_CLK_GAT, data);
1558
1559 data = RREG32(mmATC_MISC_CG);
1560 data &= ~ATC_MISC_CG__ENABLE_MASK;
1561 WREG32(mmATC_MISC_CG, data);
1562
1563 data = RREG32(mmMC_CITF_MISC_WR_CG);
1564 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK;
1565 WREG32(mmMC_CITF_MISC_WR_CG, data);
1566
1567 data = RREG32(mmMC_CITF_MISC_RD_CG);
1568 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK;
1569 WREG32(mmMC_CITF_MISC_RD_CG, data);
1570
1571 data = RREG32(mmMC_CITF_MISC_VM_CG);
1572 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK;
1573 WREG32(mmMC_CITF_MISC_VM_CG, data);
1574
1575 data = RREG32(mmVM_L2_CG);
1576 data &= ~VM_L2_CG__ENABLE_MASK;
1577 WREG32(mmVM_L2_CG, data);
1578 }
1579}
1580
1581static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
1582 bool enable)
1583{
1584 uint32_t data;
1585
1586 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
1587 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1588 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1589 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1590
1591 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1592 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1593 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1594
1595 data = RREG32(mmMC_HUB_MISC_VM_CG);
1596 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1597 WREG32(mmMC_HUB_MISC_VM_CG, data);
1598
1599 data = RREG32(mmMC_XPB_CLK_GAT);
1600 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1601 WREG32(mmMC_XPB_CLK_GAT, data);
1602
1603 data = RREG32(mmATC_MISC_CG);
1604 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1605 WREG32(mmATC_MISC_CG, data);
1606
1607 data = RREG32(mmMC_CITF_MISC_WR_CG);
1608 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1609 WREG32(mmMC_CITF_MISC_WR_CG, data);
1610
1611 data = RREG32(mmMC_CITF_MISC_RD_CG);
1612 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1613 WREG32(mmMC_CITF_MISC_RD_CG, data);
1614
1615 data = RREG32(mmMC_CITF_MISC_VM_CG);
1616 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1617 WREG32(mmMC_CITF_MISC_VM_CG, data);
1618
1619 data = RREG32(mmVM_L2_CG);
1620 data |= VM_L2_CG__MEM_LS_ENABLE_MASK;
1621 WREG32(mmVM_L2_CG, data);
1622 } else {
1623 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1624 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1625 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1626
1627 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1628 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1629 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1630
1631 data = RREG32(mmMC_HUB_MISC_VM_CG);
1632 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1633 WREG32(mmMC_HUB_MISC_VM_CG, data);
1634
1635 data = RREG32(mmMC_XPB_CLK_GAT);
1636 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1637 WREG32(mmMC_XPB_CLK_GAT, data);
1638
1639 data = RREG32(mmATC_MISC_CG);
1640 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1641 WREG32(mmATC_MISC_CG, data);
1642
1643 data = RREG32(mmMC_CITF_MISC_WR_CG);
1644 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1645 WREG32(mmMC_CITF_MISC_WR_CG, data);
1646
1647 data = RREG32(mmMC_CITF_MISC_RD_CG);
1648 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1649 WREG32(mmMC_CITF_MISC_RD_CG, data);
1650
1651 data = RREG32(mmMC_CITF_MISC_VM_CG);
1652 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1653 WREG32(mmMC_CITF_MISC_VM_CG, data);
1654
1655 data = RREG32(mmVM_L2_CG);
1656 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK;
1657 WREG32(mmVM_L2_CG, data);
1658 }
1659}
1660
1661static int gmc_v8_0_set_clockgating_state(void *handle,
1662 enum amd_clockgating_state state)
1663{
1664 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1665
1666 if (amdgpu_sriov_vf(adev))
1667 return 0;
1668
1669 switch (adev->asic_type) {
1670 case CHIP_FIJI:
1671 fiji_update_mc_medium_grain_clock_gating(adev,
1672 state == AMD_CG_STATE_GATE);
1673 fiji_update_mc_light_sleep(adev,
1674 state == AMD_CG_STATE_GATE);
1675 break;
1676 default:
1677 break;
1678 }
1679 return 0;
1680}
1681
1682static int gmc_v8_0_set_powergating_state(void *handle,
1683 enum amd_powergating_state state)
1684{
1685 return 0;
1686}
1687
1688static void gmc_v8_0_get_clockgating_state(void *handle, u64 *flags)
1689{
1690 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1691 int data;
1692
1693 if (amdgpu_sriov_vf(adev))
1694 *flags = 0;
1695
1696 /* AMD_CG_SUPPORT_MC_MGCG */
1697 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1698 if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK)
1699 *flags |= AMD_CG_SUPPORT_MC_MGCG;
1700
1701 /* AMD_CG_SUPPORT_MC_LS */
1702 if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK)
1703 *flags |= AMD_CG_SUPPORT_MC_LS;
1704}
1705
1706static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
1707 .name = "gmc_v8_0",
1708 .early_init = gmc_v8_0_early_init,
1709 .late_init = gmc_v8_0_late_init,
1710 .sw_init = gmc_v8_0_sw_init,
1711 .sw_fini = gmc_v8_0_sw_fini,
1712 .hw_init = gmc_v8_0_hw_init,
1713 .hw_fini = gmc_v8_0_hw_fini,
1714 .suspend = gmc_v8_0_suspend,
1715 .resume = gmc_v8_0_resume,
1716 .is_idle = gmc_v8_0_is_idle,
1717 .wait_for_idle = gmc_v8_0_wait_for_idle,
1718 .check_soft_reset = gmc_v8_0_check_soft_reset,
1719 .pre_soft_reset = gmc_v8_0_pre_soft_reset,
1720 .soft_reset = gmc_v8_0_soft_reset,
1721 .post_soft_reset = gmc_v8_0_post_soft_reset,
1722 .set_clockgating_state = gmc_v8_0_set_clockgating_state,
1723 .set_powergating_state = gmc_v8_0_set_powergating_state,
1724 .get_clockgating_state = gmc_v8_0_get_clockgating_state,
1725};
1726
1727static const struct amdgpu_gmc_funcs gmc_v8_0_gmc_funcs = {
1728 .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb,
1729 .flush_gpu_tlb_pasid = gmc_v8_0_flush_gpu_tlb_pasid,
1730 .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb,
1731 .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping,
1732 .set_prt = gmc_v8_0_set_prt,
1733 .get_vm_pde = gmc_v8_0_get_vm_pde,
1734 .get_vm_pte = gmc_v8_0_get_vm_pte,
1735 .get_vbios_fb_size = gmc_v8_0_get_vbios_fb_size,
1736};
1737
1738static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = {
1739 .set = gmc_v8_0_vm_fault_interrupt_state,
1740 .process = gmc_v8_0_process_interrupt,
1741};
1742
1743static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev)
1744{
1745 adev->gmc.gmc_funcs = &gmc_v8_0_gmc_funcs;
1746}
1747
1748static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev)
1749{
1750 adev->gmc.vm_fault.num_types = 1;
1751 adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs;
1752}
1753
1754const struct amdgpu_ip_block_version gmc_v8_0_ip_block = {
1755 .type = AMD_IP_BLOCK_TYPE_GMC,
1756 .major = 8,
1757 .minor = 0,
1758 .rev = 0,
1759 .funcs = &gmc_v8_0_ip_funcs,
1760};
1761
1762const struct amdgpu_ip_block_version gmc_v8_1_ip_block = {
1763 .type = AMD_IP_BLOCK_TYPE_GMC,
1764 .major = 8,
1765 .minor = 1,
1766 .rev = 0,
1767 .funcs = &gmc_v8_0_ip_funcs,
1768};
1769
1770const struct amdgpu_ip_block_version gmc_v8_5_ip_block = {
1771 .type = AMD_IP_BLOCK_TYPE_GMC,
1772 .major = 8,
1773 .minor = 5,
1774 .rev = 0,
1775 .funcs = &gmc_v8_0_ip_funcs,
1776};
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#include <linux/firmware.h>
24#include <drm/drmP.h>
25#include <drm/drm_cache.h>
26#include "amdgpu.h"
27#include "gmc_v8_0.h"
28#include "amdgpu_ucode.h"
29
30#include "gmc/gmc_8_1_d.h"
31#include "gmc/gmc_8_1_sh_mask.h"
32
33#include "bif/bif_5_0_d.h"
34#include "bif/bif_5_0_sh_mask.h"
35
36#include "oss/oss_3_0_d.h"
37#include "oss/oss_3_0_sh_mask.h"
38
39#include "dce/dce_10_0_d.h"
40#include "dce/dce_10_0_sh_mask.h"
41
42#include "vid.h"
43#include "vi.h"
44
45#include "amdgpu_atombios.h"
46
47
48static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev);
49static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev);
50static int gmc_v8_0_wait_for_idle(void *handle);
51
52MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
53MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
54MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
55MODULE_FIRMWARE("amdgpu/polaris12_mc.bin");
56
57static const u32 golden_settings_tonga_a11[] =
58{
59 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
60 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
61 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
62 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
63 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
64 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
65 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
66};
67
68static const u32 tonga_mgcg_cgcg_init[] =
69{
70 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
71};
72
73static const u32 golden_settings_fiji_a10[] =
74{
75 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
76 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
77 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
78 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
79};
80
81static const u32 fiji_mgcg_cgcg_init[] =
82{
83 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
84};
85
86static const u32 golden_settings_polaris11_a11[] =
87{
88 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
89 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
90 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
91 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
92};
93
94static const u32 golden_settings_polaris10_a11[] =
95{
96 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
97 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
98 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
99 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
100 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
101};
102
103static const u32 cz_mgcg_cgcg_init[] =
104{
105 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
106};
107
108static const u32 stoney_mgcg_cgcg_init[] =
109{
110 mmATC_MISC_CG, 0xffffffff, 0x000c0200,
111 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
112};
113
114static const u32 golden_settings_stoney_common[] =
115{
116 mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004,
117 mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000
118};
119
120static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
121{
122 switch (adev->asic_type) {
123 case CHIP_FIJI:
124 amdgpu_device_program_register_sequence(adev,
125 fiji_mgcg_cgcg_init,
126 ARRAY_SIZE(fiji_mgcg_cgcg_init));
127 amdgpu_device_program_register_sequence(adev,
128 golden_settings_fiji_a10,
129 ARRAY_SIZE(golden_settings_fiji_a10));
130 break;
131 case CHIP_TONGA:
132 amdgpu_device_program_register_sequence(adev,
133 tonga_mgcg_cgcg_init,
134 ARRAY_SIZE(tonga_mgcg_cgcg_init));
135 amdgpu_device_program_register_sequence(adev,
136 golden_settings_tonga_a11,
137 ARRAY_SIZE(golden_settings_tonga_a11));
138 break;
139 case CHIP_POLARIS11:
140 case CHIP_POLARIS12:
141 amdgpu_device_program_register_sequence(adev,
142 golden_settings_polaris11_a11,
143 ARRAY_SIZE(golden_settings_polaris11_a11));
144 break;
145 case CHIP_POLARIS10:
146 amdgpu_device_program_register_sequence(adev,
147 golden_settings_polaris10_a11,
148 ARRAY_SIZE(golden_settings_polaris10_a11));
149 break;
150 case CHIP_CARRIZO:
151 amdgpu_device_program_register_sequence(adev,
152 cz_mgcg_cgcg_init,
153 ARRAY_SIZE(cz_mgcg_cgcg_init));
154 break;
155 case CHIP_STONEY:
156 amdgpu_device_program_register_sequence(adev,
157 stoney_mgcg_cgcg_init,
158 ARRAY_SIZE(stoney_mgcg_cgcg_init));
159 amdgpu_device_program_register_sequence(adev,
160 golden_settings_stoney_common,
161 ARRAY_SIZE(golden_settings_stoney_common));
162 break;
163 default:
164 break;
165 }
166}
167
168static void gmc_v8_0_mc_stop(struct amdgpu_device *adev)
169{
170 u32 blackout;
171
172 gmc_v8_0_wait_for_idle(adev);
173
174 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
175 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
176 /* Block CPU access */
177 WREG32(mmBIF_FB_EN, 0);
178 /* blackout the MC */
179 blackout = REG_SET_FIELD(blackout,
180 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1);
181 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
182 }
183 /* wait for the MC to settle */
184 udelay(100);
185}
186
187static void gmc_v8_0_mc_resume(struct amdgpu_device *adev)
188{
189 u32 tmp;
190
191 /* unblackout the MC */
192 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
193 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
194 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
195 /* allow CPU access */
196 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
197 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
198 WREG32(mmBIF_FB_EN, tmp);
199}
200
201/**
202 * gmc_v8_0_init_microcode - load ucode images from disk
203 *
204 * @adev: amdgpu_device pointer
205 *
206 * Use the firmware interface to load the ucode images into
207 * the driver (not loaded into hw).
208 * Returns 0 on success, error on failure.
209 */
210static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
211{
212 const char *chip_name;
213 char fw_name[30];
214 int err;
215
216 DRM_DEBUG("\n");
217
218 switch (adev->asic_type) {
219 case CHIP_TONGA:
220 chip_name = "tonga";
221 break;
222 case CHIP_POLARIS11:
223 chip_name = "polaris11";
224 break;
225 case CHIP_POLARIS10:
226 chip_name = "polaris10";
227 break;
228 case CHIP_POLARIS12:
229 chip_name = "polaris12";
230 break;
231 case CHIP_FIJI:
232 case CHIP_CARRIZO:
233 case CHIP_STONEY:
234 return 0;
235 default: BUG();
236 }
237
238 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
239 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev);
240 if (err)
241 goto out;
242 err = amdgpu_ucode_validate(adev->gmc.fw);
243
244out:
245 if (err) {
246 pr_err("mc: Failed to load firmware \"%s\"\n", fw_name);
247 release_firmware(adev->gmc.fw);
248 adev->gmc.fw = NULL;
249 }
250 return err;
251}
252
253/**
254 * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw
255 *
256 * @adev: amdgpu_device pointer
257 *
258 * Load the GDDR MC ucode into the hw (CIK).
259 * Returns 0 on success, error on failure.
260 */
261static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev)
262{
263 const struct mc_firmware_header_v1_0 *hdr;
264 const __le32 *fw_data = NULL;
265 const __le32 *io_mc_regs = NULL;
266 u32 running;
267 int i, ucode_size, regs_size;
268
269 /* Skip MC ucode loading on SR-IOV capable boards.
270 * vbios does this for us in asic_init in that case.
271 * Skip MC ucode loading on VF, because hypervisor will do that
272 * for this adaptor.
273 */
274 if (amdgpu_sriov_bios(adev))
275 return 0;
276
277 if (!adev->gmc.fw)
278 return -EINVAL;
279
280 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
281 amdgpu_ucode_print_mc_hdr(&hdr->header);
282
283 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
284 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
285 io_mc_regs = (const __le32 *)
286 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
287 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
288 fw_data = (const __le32 *)
289 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
290
291 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
292
293 if (running == 0) {
294 /* reset the engine and set to writable */
295 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
296 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
297
298 /* load mc io regs */
299 for (i = 0; i < regs_size; i++) {
300 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
301 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
302 }
303 /* load the MC ucode */
304 for (i = 0; i < ucode_size; i++)
305 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
306
307 /* put the engine back into the active state */
308 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
309 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
310 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
311
312 /* wait for training to complete */
313 for (i = 0; i < adev->usec_timeout; i++) {
314 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
315 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
316 break;
317 udelay(1);
318 }
319 for (i = 0; i < adev->usec_timeout; i++) {
320 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
321 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
322 break;
323 udelay(1);
324 }
325 }
326
327 return 0;
328}
329
330static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev)
331{
332 const struct mc_firmware_header_v1_0 *hdr;
333 const __le32 *fw_data = NULL;
334 const __le32 *io_mc_regs = NULL;
335 u32 data, vbios_version;
336 int i, ucode_size, regs_size;
337
338 /* Skip MC ucode loading on SR-IOV capable boards.
339 * vbios does this for us in asic_init in that case.
340 * Skip MC ucode loading on VF, because hypervisor will do that
341 * for this adaptor.
342 */
343 if (amdgpu_sriov_bios(adev))
344 return 0;
345
346 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, 0x9F);
347 data = RREG32(mmMC_SEQ_IO_DEBUG_DATA);
348 vbios_version = data & 0xf;
349
350 if (vbios_version == 0)
351 return 0;
352
353 if (!adev->gmc.fw)
354 return -EINVAL;
355
356 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
357 amdgpu_ucode_print_mc_hdr(&hdr->header);
358
359 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
360 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
361 io_mc_regs = (const __le32 *)
362 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
363 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
364 fw_data = (const __le32 *)
365 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
366
367 data = RREG32(mmMC_SEQ_MISC0);
368 data &= ~(0x40);
369 WREG32(mmMC_SEQ_MISC0, data);
370
371 /* load mc io regs */
372 for (i = 0; i < regs_size; i++) {
373 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
374 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
375 }
376
377 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
378 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
379
380 /* load the MC ucode */
381 for (i = 0; i < ucode_size; i++)
382 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
383
384 /* put the engine back into the active state */
385 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
386 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
387 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
388
389 /* wait for training to complete */
390 for (i = 0; i < adev->usec_timeout; i++) {
391 data = RREG32(mmMC_SEQ_MISC0);
392 if (data & 0x80)
393 break;
394 udelay(1);
395 }
396
397 return 0;
398}
399
400static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
401 struct amdgpu_gmc *mc)
402{
403 u64 base = 0;
404
405 if (!amdgpu_sriov_vf(adev))
406 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
407 base <<= 24;
408
409 amdgpu_device_vram_location(adev, &adev->gmc, base);
410 amdgpu_device_gart_location(adev, mc);
411}
412
413/**
414 * gmc_v8_0_mc_program - program the GPU memory controller
415 *
416 * @adev: amdgpu_device pointer
417 *
418 * Set the location of vram, gart, and AGP in the GPU's
419 * physical address space (CIK).
420 */
421static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
422{
423 u32 tmp;
424 int i, j;
425
426 /* Initialize HDP */
427 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
428 WREG32((0xb05 + j), 0x00000000);
429 WREG32((0xb06 + j), 0x00000000);
430 WREG32((0xb07 + j), 0x00000000);
431 WREG32((0xb08 + j), 0x00000000);
432 WREG32((0xb09 + j), 0x00000000);
433 }
434 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
435
436 if (gmc_v8_0_wait_for_idle((void *)adev)) {
437 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
438 }
439 if (adev->mode_info.num_crtc) {
440 /* Lockout access through VGA aperture*/
441 tmp = RREG32(mmVGA_HDP_CONTROL);
442 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
443 WREG32(mmVGA_HDP_CONTROL, tmp);
444
445 /* disable VGA render */
446 tmp = RREG32(mmVGA_RENDER_CONTROL);
447 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
448 WREG32(mmVGA_RENDER_CONTROL, tmp);
449 }
450 /* Update configuration */
451 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
452 adev->gmc.vram_start >> 12);
453 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
454 adev->gmc.vram_end >> 12);
455 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
456 adev->vram_scratch.gpu_addr >> 12);
457
458 if (amdgpu_sriov_vf(adev)) {
459 tmp = ((adev->gmc.vram_end >> 24) & 0xFFFF) << 16;
460 tmp |= ((adev->gmc.vram_start >> 24) & 0xFFFF);
461 WREG32(mmMC_VM_FB_LOCATION, tmp);
462 /* XXX double check these! */
463 WREG32(mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
464 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
465 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
466 }
467
468 WREG32(mmMC_VM_AGP_BASE, 0);
469 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
470 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
471 if (gmc_v8_0_wait_for_idle((void *)adev)) {
472 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
473 }
474
475 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
476
477 tmp = RREG32(mmHDP_MISC_CNTL);
478 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
479 WREG32(mmHDP_MISC_CNTL, tmp);
480
481 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
482 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
483}
484
485/**
486 * gmc_v8_0_mc_init - initialize the memory controller driver params
487 *
488 * @adev: amdgpu_device pointer
489 *
490 * Look up the amount of vram, vram width, and decide how to place
491 * vram and gart within the GPU's physical address space (CIK).
492 * Returns 0 for success.
493 */
494static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
495{
496 int r;
497
498 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
499 if (!adev->gmc.vram_width) {
500 u32 tmp;
501 int chansize, numchan;
502
503 /* Get VRAM informations */
504 tmp = RREG32(mmMC_ARB_RAMCFG);
505 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) {
506 chansize = 64;
507 } else {
508 chansize = 32;
509 }
510 tmp = RREG32(mmMC_SHARED_CHMAP);
511 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
512 case 0:
513 default:
514 numchan = 1;
515 break;
516 case 1:
517 numchan = 2;
518 break;
519 case 2:
520 numchan = 4;
521 break;
522 case 3:
523 numchan = 8;
524 break;
525 case 4:
526 numchan = 3;
527 break;
528 case 5:
529 numchan = 6;
530 break;
531 case 6:
532 numchan = 10;
533 break;
534 case 7:
535 numchan = 12;
536 break;
537 case 8:
538 numchan = 16;
539 break;
540 }
541 adev->gmc.vram_width = numchan * chansize;
542 }
543 /* size in MB on si */
544 adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
545 adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
546
547 if (!(adev->flags & AMD_IS_APU)) {
548 r = amdgpu_device_resize_fb_bar(adev);
549 if (r)
550 return r;
551 }
552 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
553 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
554
555#ifdef CONFIG_X86_64
556 if (adev->flags & AMD_IS_APU) {
557 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
558 adev->gmc.aper_size = adev->gmc.real_vram_size;
559 }
560#endif
561
562 /* In case the PCI BAR is larger than the actual amount of vram */
563 adev->gmc.visible_vram_size = adev->gmc.aper_size;
564 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
565 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
566
567 /* set the gart size */
568 if (amdgpu_gart_size == -1) {
569 switch (adev->asic_type) {
570 case CHIP_POLARIS11: /* all engines support GPUVM */
571 case CHIP_POLARIS10: /* all engines support GPUVM */
572 case CHIP_POLARIS12: /* all engines support GPUVM */
573 default:
574 adev->gmc.gart_size = 256ULL << 20;
575 break;
576 case CHIP_TONGA: /* UVD, VCE do not support GPUVM */
577 case CHIP_FIJI: /* UVD, VCE do not support GPUVM */
578 case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
579 case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */
580 adev->gmc.gart_size = 1024ULL << 20;
581 break;
582 }
583 } else {
584 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
585 }
586
587 gmc_v8_0_vram_gtt_location(adev, &adev->gmc);
588
589 return 0;
590}
591
592/*
593 * GART
594 * VMID 0 is the physical GPU addresses as used by the kernel.
595 * VMIDs 1-15 are used for userspace clients and are handled
596 * by the amdgpu vm/hsa code.
597 */
598
599/**
600 * gmc_v8_0_flush_gpu_tlb - gart tlb flush callback
601 *
602 * @adev: amdgpu_device pointer
603 * @vmid: vm instance to flush
604 *
605 * Flush the TLB for the requested page table (CIK).
606 */
607static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev,
608 uint32_t vmid)
609{
610 /* bits 0-15 are the VM contexts0-15 */
611 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
612}
613
614static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
615 unsigned vmid, uint64_t pd_addr)
616{
617 uint32_t reg;
618
619 if (vmid < 8)
620 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
621 else
622 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8;
623 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
624
625 /* bits 0-15 are the VM contexts0-15 */
626 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
627
628 return pd_addr;
629}
630
631static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
632 unsigned pasid)
633{
634 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
635}
636
637/**
638 * gmc_v8_0_set_pte_pde - update the page tables using MMIO
639 *
640 * @adev: amdgpu_device pointer
641 * @cpu_pt_addr: cpu address of the page table
642 * @gpu_page_idx: entry in the page table to update
643 * @addr: dst addr to write into pte/pde
644 * @flags: access flags
645 *
646 * Update the page tables using the CPU.
647 */
648static int gmc_v8_0_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr,
649 uint32_t gpu_page_idx, uint64_t addr,
650 uint64_t flags)
651{
652 void __iomem *ptr = (void *)cpu_pt_addr;
653 uint64_t value;
654
655 /*
656 * PTE format on VI:
657 * 63:40 reserved
658 * 39:12 4k physical page base address
659 * 11:7 fragment
660 * 6 write
661 * 5 read
662 * 4 exe
663 * 3 reserved
664 * 2 snooped
665 * 1 system
666 * 0 valid
667 *
668 * PDE format on VI:
669 * 63:59 block fragment size
670 * 58:40 reserved
671 * 39:1 physical base address of PTE
672 * bits 5:1 must be 0.
673 * 0 valid
674 */
675 value = addr & 0x000000FFFFFFF000ULL;
676 value |= flags;
677 writeq(value, ptr + (gpu_page_idx * 8));
678
679 return 0;
680}
681
682static uint64_t gmc_v8_0_get_vm_pte_flags(struct amdgpu_device *adev,
683 uint32_t flags)
684{
685 uint64_t pte_flag = 0;
686
687 if (flags & AMDGPU_VM_PAGE_EXECUTABLE)
688 pte_flag |= AMDGPU_PTE_EXECUTABLE;
689 if (flags & AMDGPU_VM_PAGE_READABLE)
690 pte_flag |= AMDGPU_PTE_READABLE;
691 if (flags & AMDGPU_VM_PAGE_WRITEABLE)
692 pte_flag |= AMDGPU_PTE_WRITEABLE;
693 if (flags & AMDGPU_VM_PAGE_PRT)
694 pte_flag |= AMDGPU_PTE_PRT;
695
696 return pte_flag;
697}
698
699static void gmc_v8_0_get_vm_pde(struct amdgpu_device *adev, int level,
700 uint64_t *addr, uint64_t *flags)
701{
702 BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
703}
704
705/**
706 * gmc_v8_0_set_fault_enable_default - update VM fault handling
707 *
708 * @adev: amdgpu_device pointer
709 * @value: true redirects VM faults to the default page
710 */
711static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev,
712 bool value)
713{
714 u32 tmp;
715
716 tmp = RREG32(mmVM_CONTEXT1_CNTL);
717 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
718 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
719 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
720 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
721 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
722 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
723 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
724 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
725 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
726 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
727 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
728 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
729 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
730 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
731 WREG32(mmVM_CONTEXT1_CNTL, tmp);
732}
733
734/**
735 * gmc_v8_0_set_prt - set PRT VM fault
736 *
737 * @adev: amdgpu_device pointer
738 * @enable: enable/disable VM fault handling for PRT
739*/
740static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable)
741{
742 u32 tmp;
743
744 if (enable && !adev->gmc.prt_warning) {
745 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
746 adev->gmc.prt_warning = true;
747 }
748
749 tmp = RREG32(mmVM_PRT_CNTL);
750 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
751 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
752 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
753 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
754 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
755 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
756 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
757 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
758 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
759 L2_CACHE_STORE_INVALID_ENTRIES, enable);
760 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
761 L1_TLB_STORE_INVALID_ENTRIES, enable);
762 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
763 MASK_PDE0_FAULT, enable);
764 WREG32(mmVM_PRT_CNTL, tmp);
765
766 if (enable) {
767 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
768 uint32_t high = adev->vm_manager.max_pfn -
769 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
770
771 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
772 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
773 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
774 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
775 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
776 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
777 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
778 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
779 } else {
780 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
781 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
782 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
783 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
784 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
785 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
786 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
787 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
788 }
789}
790
791/**
792 * gmc_v8_0_gart_enable - gart enable
793 *
794 * @adev: amdgpu_device pointer
795 *
796 * This sets up the TLBs, programs the page tables for VMID0,
797 * sets up the hw for VMIDs 1-15 which are allocated on
798 * demand, and sets up the global locations for the LDS, GDS,
799 * and GPUVM for FSA64 clients (CIK).
800 * Returns 0 for success, errors for failure.
801 */
802static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
803{
804 int r, i;
805 u32 tmp, field;
806
807 if (adev->gart.robj == NULL) {
808 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
809 return -EINVAL;
810 }
811 r = amdgpu_gart_table_vram_pin(adev);
812 if (r)
813 return r;
814 /* Setup TLB control */
815 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
816 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
817 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
818 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
819 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
820 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
821 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
822 /* Setup L2 cache */
823 tmp = RREG32(mmVM_L2_CNTL);
824 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
825 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
826 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
827 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
828 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
829 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
830 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
831 WREG32(mmVM_L2_CNTL, tmp);
832 tmp = RREG32(mmVM_L2_CNTL2);
833 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
834 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
835 WREG32(mmVM_L2_CNTL2, tmp);
836
837 field = adev->vm_manager.fragment_size;
838 tmp = RREG32(mmVM_L2_CNTL3);
839 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
840 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
841 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
842 WREG32(mmVM_L2_CNTL3, tmp);
843 /* XXX: set to enable PTE/PDE in system memory */
844 tmp = RREG32(mmVM_L2_CNTL4);
845 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0);
846 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0);
847 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0);
848 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0);
849 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0);
850 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0);
851 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0);
852 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0);
853 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0);
854 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0);
855 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0);
856 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0);
857 WREG32(mmVM_L2_CNTL4, tmp);
858 /* setup context0 */
859 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
860 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
861 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12);
862 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
863 (u32)(adev->dummy_page_addr >> 12));
864 WREG32(mmVM_CONTEXT0_CNTL2, 0);
865 tmp = RREG32(mmVM_CONTEXT0_CNTL);
866 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
867 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
868 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
869 WREG32(mmVM_CONTEXT0_CNTL, tmp);
870
871 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0);
872 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0);
873 WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0);
874
875 /* empty context1-15 */
876 /* FIXME start with 4G, once using 2 level pt switch to full
877 * vm size space
878 */
879 /* set vm size, must be a multiple of 4 */
880 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
881 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
882 for (i = 1; i < 16; i++) {
883 if (i < 8)
884 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
885 adev->gart.table_addr >> 12);
886 else
887 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
888 adev->gart.table_addr >> 12);
889 }
890
891 /* enable context1-15 */
892 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
893 (u32)(adev->dummy_page_addr >> 12));
894 WREG32(mmVM_CONTEXT1_CNTL2, 4);
895 tmp = RREG32(mmVM_CONTEXT1_CNTL);
896 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
897 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
898 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
899 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
900 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
901 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
902 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
903 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
904 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
905 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
906 adev->vm_manager.block_size - 9);
907 WREG32(mmVM_CONTEXT1_CNTL, tmp);
908 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
909 gmc_v8_0_set_fault_enable_default(adev, false);
910 else
911 gmc_v8_0_set_fault_enable_default(adev, true);
912
913 gmc_v8_0_flush_gpu_tlb(adev, 0);
914 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
915 (unsigned)(adev->gmc.gart_size >> 20),
916 (unsigned long long)adev->gart.table_addr);
917 adev->gart.ready = true;
918 return 0;
919}
920
921static int gmc_v8_0_gart_init(struct amdgpu_device *adev)
922{
923 int r;
924
925 if (adev->gart.robj) {
926 WARN(1, "R600 PCIE GART already initialized\n");
927 return 0;
928 }
929 /* Initialize common gart structure */
930 r = amdgpu_gart_init(adev);
931 if (r)
932 return r;
933 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
934 adev->gart.gart_pte_flags = AMDGPU_PTE_EXECUTABLE;
935 return amdgpu_gart_table_vram_alloc(adev);
936}
937
938/**
939 * gmc_v8_0_gart_disable - gart disable
940 *
941 * @adev: amdgpu_device pointer
942 *
943 * This disables all VM page table (CIK).
944 */
945static void gmc_v8_0_gart_disable(struct amdgpu_device *adev)
946{
947 u32 tmp;
948
949 /* Disable all tables */
950 WREG32(mmVM_CONTEXT0_CNTL, 0);
951 WREG32(mmVM_CONTEXT1_CNTL, 0);
952 /* Setup TLB control */
953 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
954 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
955 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
956 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
957 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
958 /* Setup L2 cache */
959 tmp = RREG32(mmVM_L2_CNTL);
960 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
961 WREG32(mmVM_L2_CNTL, tmp);
962 WREG32(mmVM_L2_CNTL2, 0);
963 amdgpu_gart_table_vram_unpin(adev);
964}
965
966/**
967 * gmc_v8_0_gart_fini - vm fini callback
968 *
969 * @adev: amdgpu_device pointer
970 *
971 * Tears down the driver GART/VM setup (CIK).
972 */
973static void gmc_v8_0_gart_fini(struct amdgpu_device *adev)
974{
975 amdgpu_gart_table_vram_free(adev);
976 amdgpu_gart_fini(adev);
977}
978
979/**
980 * gmc_v8_0_vm_decode_fault - print human readable fault info
981 *
982 * @adev: amdgpu_device pointer
983 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
984 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
985 *
986 * Print human readable fault information (CIK).
987 */
988static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status,
989 u32 addr, u32 mc_client, unsigned pasid)
990{
991 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
992 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
993 PROTECTIONS);
994 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
995 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
996 u32 mc_id;
997
998 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
999 MEMORY_CLIENT_ID);
1000
1001 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
1002 protections, vmid, pasid, addr,
1003 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1004 MEMORY_CLIENT_RW) ?
1005 "write" : "read", block, mc_client, mc_id);
1006}
1007
1008static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type)
1009{
1010 switch (mc_seq_vram_type) {
1011 case MC_SEQ_MISC0__MT__GDDR1:
1012 return AMDGPU_VRAM_TYPE_GDDR1;
1013 case MC_SEQ_MISC0__MT__DDR2:
1014 return AMDGPU_VRAM_TYPE_DDR2;
1015 case MC_SEQ_MISC0__MT__GDDR3:
1016 return AMDGPU_VRAM_TYPE_GDDR3;
1017 case MC_SEQ_MISC0__MT__GDDR4:
1018 return AMDGPU_VRAM_TYPE_GDDR4;
1019 case MC_SEQ_MISC0__MT__GDDR5:
1020 return AMDGPU_VRAM_TYPE_GDDR5;
1021 case MC_SEQ_MISC0__MT__HBM:
1022 return AMDGPU_VRAM_TYPE_HBM;
1023 case MC_SEQ_MISC0__MT__DDR3:
1024 return AMDGPU_VRAM_TYPE_DDR3;
1025 default:
1026 return AMDGPU_VRAM_TYPE_UNKNOWN;
1027 }
1028}
1029
1030static int gmc_v8_0_early_init(void *handle)
1031{
1032 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1033
1034 gmc_v8_0_set_gmc_funcs(adev);
1035 gmc_v8_0_set_irq_funcs(adev);
1036
1037 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
1038 adev->gmc.shared_aperture_end =
1039 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
1040 adev->gmc.private_aperture_start =
1041 adev->gmc.shared_aperture_end + 1;
1042 adev->gmc.private_aperture_end =
1043 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
1044
1045 return 0;
1046}
1047
1048static int gmc_v8_0_late_init(void *handle)
1049{
1050 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1051
1052 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
1053 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
1054 else
1055 return 0;
1056}
1057
1058#define mmMC_SEQ_MISC0_FIJI 0xA71
1059
1060static int gmc_v8_0_sw_init(void *handle)
1061{
1062 int r;
1063 int dma_bits;
1064 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1065
1066 if (adev->flags & AMD_IS_APU) {
1067 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
1068 } else {
1069 u32 tmp;
1070
1071 if (adev->asic_type == CHIP_FIJI)
1072 tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
1073 else
1074 tmp = RREG32(mmMC_SEQ_MISC0);
1075 tmp &= MC_SEQ_MISC0__MT__MASK;
1076 adev->gmc.vram_type = gmc_v8_0_convert_vram_type(tmp);
1077 }
1078
1079 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 146, &adev->gmc.vm_fault);
1080 if (r)
1081 return r;
1082
1083 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 147, &adev->gmc.vm_fault);
1084 if (r)
1085 return r;
1086
1087 /* Adjust VM size here.
1088 * Currently set to 4GB ((1 << 20) 4k pages).
1089 * Max GPUVM size for cayman and SI is 40 bits.
1090 */
1091 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
1092
1093 /* Set the internal MC address mask
1094 * This is the max address of the GPU's
1095 * internal address space.
1096 */
1097 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
1098
1099 adev->gmc.stolen_size = 256 * 1024;
1100
1101 /* set DMA mask + need_dma32 flags.
1102 * PCIE - can handle 40-bits.
1103 * IGP - can handle 40-bits
1104 * PCI - dma32 for legacy pci gart, 40 bits on newer asics
1105 */
1106 adev->need_dma32 = false;
1107 dma_bits = adev->need_dma32 ? 32 : 40;
1108 r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
1109 if (r) {
1110 adev->need_dma32 = true;
1111 dma_bits = 32;
1112 pr_warn("amdgpu: No suitable DMA available\n");
1113 }
1114 r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
1115 if (r) {
1116 pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
1117 pr_warn("amdgpu: No coherent DMA available\n");
1118 }
1119 adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits);
1120
1121 r = gmc_v8_0_init_microcode(adev);
1122 if (r) {
1123 DRM_ERROR("Failed to load mc firmware!\n");
1124 return r;
1125 }
1126
1127 r = gmc_v8_0_mc_init(adev);
1128 if (r)
1129 return r;
1130
1131 /* Memory manager */
1132 r = amdgpu_bo_init(adev);
1133 if (r)
1134 return r;
1135
1136 r = gmc_v8_0_gart_init(adev);
1137 if (r)
1138 return r;
1139
1140 /*
1141 * number of VMs
1142 * VMID 0 is reserved for System
1143 * amdgpu graphics/compute will use VMIDs 1-7
1144 * amdkfd will use VMIDs 8-15
1145 */
1146 adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
1147 amdgpu_vm_manager_init(adev);
1148
1149 /* base offset of vram pages */
1150 if (adev->flags & AMD_IS_APU) {
1151 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
1152
1153 tmp <<= 22;
1154 adev->vm_manager.vram_base_offset = tmp;
1155 } else {
1156 adev->vm_manager.vram_base_offset = 0;
1157 }
1158
1159 return 0;
1160}
1161
1162static int gmc_v8_0_sw_fini(void *handle)
1163{
1164 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1165
1166 amdgpu_gem_force_release(adev);
1167 amdgpu_vm_manager_fini(adev);
1168 gmc_v8_0_gart_fini(adev);
1169 amdgpu_bo_fini(adev);
1170 release_firmware(adev->gmc.fw);
1171 adev->gmc.fw = NULL;
1172
1173 return 0;
1174}
1175
1176static int gmc_v8_0_hw_init(void *handle)
1177{
1178 int r;
1179 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1180
1181 gmc_v8_0_init_golden_registers(adev);
1182
1183 gmc_v8_0_mc_program(adev);
1184
1185 if (adev->asic_type == CHIP_TONGA) {
1186 r = gmc_v8_0_tonga_mc_load_microcode(adev);
1187 if (r) {
1188 DRM_ERROR("Failed to load MC firmware!\n");
1189 return r;
1190 }
1191 } else if (adev->asic_type == CHIP_POLARIS11 ||
1192 adev->asic_type == CHIP_POLARIS10 ||
1193 adev->asic_type == CHIP_POLARIS12) {
1194 r = gmc_v8_0_polaris_mc_load_microcode(adev);
1195 if (r) {
1196 DRM_ERROR("Failed to load MC firmware!\n");
1197 return r;
1198 }
1199 }
1200
1201 r = gmc_v8_0_gart_enable(adev);
1202 if (r)
1203 return r;
1204
1205 return r;
1206}
1207
1208static int gmc_v8_0_hw_fini(void *handle)
1209{
1210 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1211
1212 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1213 gmc_v8_0_gart_disable(adev);
1214
1215 return 0;
1216}
1217
1218static int gmc_v8_0_suspend(void *handle)
1219{
1220 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1221
1222 gmc_v8_0_hw_fini(adev);
1223
1224 return 0;
1225}
1226
1227static int gmc_v8_0_resume(void *handle)
1228{
1229 int r;
1230 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1231
1232 r = gmc_v8_0_hw_init(adev);
1233 if (r)
1234 return r;
1235
1236 amdgpu_vmid_reset_all(adev);
1237
1238 return 0;
1239}
1240
1241static bool gmc_v8_0_is_idle(void *handle)
1242{
1243 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1244 u32 tmp = RREG32(mmSRBM_STATUS);
1245
1246 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1247 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1248 return false;
1249
1250 return true;
1251}
1252
1253static int gmc_v8_0_wait_for_idle(void *handle)
1254{
1255 unsigned i;
1256 u32 tmp;
1257 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1258
1259 for (i = 0; i < adev->usec_timeout; i++) {
1260 /* read MC_STATUS */
1261 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1262 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1263 SRBM_STATUS__MCC_BUSY_MASK |
1264 SRBM_STATUS__MCD_BUSY_MASK |
1265 SRBM_STATUS__VMC_BUSY_MASK |
1266 SRBM_STATUS__VMC1_BUSY_MASK);
1267 if (!tmp)
1268 return 0;
1269 udelay(1);
1270 }
1271 return -ETIMEDOUT;
1272
1273}
1274
1275static bool gmc_v8_0_check_soft_reset(void *handle)
1276{
1277 u32 srbm_soft_reset = 0;
1278 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1279 u32 tmp = RREG32(mmSRBM_STATUS);
1280
1281 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1282 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1283 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1284
1285 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1286 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1287 if (!(adev->flags & AMD_IS_APU))
1288 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1289 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1290 }
1291 if (srbm_soft_reset) {
1292 adev->gmc.srbm_soft_reset = srbm_soft_reset;
1293 return true;
1294 } else {
1295 adev->gmc.srbm_soft_reset = 0;
1296 return false;
1297 }
1298}
1299
1300static int gmc_v8_0_pre_soft_reset(void *handle)
1301{
1302 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1303
1304 if (!adev->gmc.srbm_soft_reset)
1305 return 0;
1306
1307 gmc_v8_0_mc_stop(adev);
1308 if (gmc_v8_0_wait_for_idle(adev)) {
1309 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1310 }
1311
1312 return 0;
1313}
1314
1315static int gmc_v8_0_soft_reset(void *handle)
1316{
1317 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1318 u32 srbm_soft_reset;
1319
1320 if (!adev->gmc.srbm_soft_reset)
1321 return 0;
1322 srbm_soft_reset = adev->gmc.srbm_soft_reset;
1323
1324 if (srbm_soft_reset) {
1325 u32 tmp;
1326
1327 tmp = RREG32(mmSRBM_SOFT_RESET);
1328 tmp |= srbm_soft_reset;
1329 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1330 WREG32(mmSRBM_SOFT_RESET, tmp);
1331 tmp = RREG32(mmSRBM_SOFT_RESET);
1332
1333 udelay(50);
1334
1335 tmp &= ~srbm_soft_reset;
1336 WREG32(mmSRBM_SOFT_RESET, tmp);
1337 tmp = RREG32(mmSRBM_SOFT_RESET);
1338
1339 /* Wait a little for things to settle down */
1340 udelay(50);
1341 }
1342
1343 return 0;
1344}
1345
1346static int gmc_v8_0_post_soft_reset(void *handle)
1347{
1348 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1349
1350 if (!adev->gmc.srbm_soft_reset)
1351 return 0;
1352
1353 gmc_v8_0_mc_resume(adev);
1354 return 0;
1355}
1356
1357static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1358 struct amdgpu_irq_src *src,
1359 unsigned type,
1360 enum amdgpu_interrupt_state state)
1361{
1362 u32 tmp;
1363 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1364 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1365 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1366 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1367 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1368 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1369 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1370
1371 switch (state) {
1372 case AMDGPU_IRQ_STATE_DISABLE:
1373 /* system context */
1374 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1375 tmp &= ~bits;
1376 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1377 /* VMs */
1378 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1379 tmp &= ~bits;
1380 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1381 break;
1382 case AMDGPU_IRQ_STATE_ENABLE:
1383 /* system context */
1384 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1385 tmp |= bits;
1386 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1387 /* VMs */
1388 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1389 tmp |= bits;
1390 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1391 break;
1392 default:
1393 break;
1394 }
1395
1396 return 0;
1397}
1398
1399static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
1400 struct amdgpu_irq_src *source,
1401 struct amdgpu_iv_entry *entry)
1402{
1403 u32 addr, status, mc_client;
1404
1405 if (amdgpu_sriov_vf(adev)) {
1406 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1407 entry->src_id, entry->src_data[0]);
1408 dev_err(adev->dev, " Can't decode VM fault info here on SRIOV VF\n");
1409 return 0;
1410 }
1411
1412 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1413 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1414 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1415 /* reset addr and status */
1416 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1417
1418 if (!addr && !status)
1419 return 0;
1420
1421 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1422 gmc_v8_0_set_fault_enable_default(adev, false);
1423
1424 if (printk_ratelimit()) {
1425 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1426 entry->src_id, entry->src_data[0]);
1427 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1428 addr);
1429 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1430 status);
1431 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client,
1432 entry->pasid);
1433 }
1434
1435 return 0;
1436}
1437
1438static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
1439 bool enable)
1440{
1441 uint32_t data;
1442
1443 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
1444 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1445 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1446 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1447
1448 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1449 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1450 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1451
1452 data = RREG32(mmMC_HUB_MISC_VM_CG);
1453 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK;
1454 WREG32(mmMC_HUB_MISC_VM_CG, data);
1455
1456 data = RREG32(mmMC_XPB_CLK_GAT);
1457 data |= MC_XPB_CLK_GAT__ENABLE_MASK;
1458 WREG32(mmMC_XPB_CLK_GAT, data);
1459
1460 data = RREG32(mmATC_MISC_CG);
1461 data |= ATC_MISC_CG__ENABLE_MASK;
1462 WREG32(mmATC_MISC_CG, data);
1463
1464 data = RREG32(mmMC_CITF_MISC_WR_CG);
1465 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK;
1466 WREG32(mmMC_CITF_MISC_WR_CG, data);
1467
1468 data = RREG32(mmMC_CITF_MISC_RD_CG);
1469 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK;
1470 WREG32(mmMC_CITF_MISC_RD_CG, data);
1471
1472 data = RREG32(mmMC_CITF_MISC_VM_CG);
1473 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK;
1474 WREG32(mmMC_CITF_MISC_VM_CG, data);
1475
1476 data = RREG32(mmVM_L2_CG);
1477 data |= VM_L2_CG__ENABLE_MASK;
1478 WREG32(mmVM_L2_CG, data);
1479 } else {
1480 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1481 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1482 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1483
1484 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1485 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1486 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1487
1488 data = RREG32(mmMC_HUB_MISC_VM_CG);
1489 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK;
1490 WREG32(mmMC_HUB_MISC_VM_CG, data);
1491
1492 data = RREG32(mmMC_XPB_CLK_GAT);
1493 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK;
1494 WREG32(mmMC_XPB_CLK_GAT, data);
1495
1496 data = RREG32(mmATC_MISC_CG);
1497 data &= ~ATC_MISC_CG__ENABLE_MASK;
1498 WREG32(mmATC_MISC_CG, data);
1499
1500 data = RREG32(mmMC_CITF_MISC_WR_CG);
1501 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK;
1502 WREG32(mmMC_CITF_MISC_WR_CG, data);
1503
1504 data = RREG32(mmMC_CITF_MISC_RD_CG);
1505 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK;
1506 WREG32(mmMC_CITF_MISC_RD_CG, data);
1507
1508 data = RREG32(mmMC_CITF_MISC_VM_CG);
1509 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK;
1510 WREG32(mmMC_CITF_MISC_VM_CG, data);
1511
1512 data = RREG32(mmVM_L2_CG);
1513 data &= ~VM_L2_CG__ENABLE_MASK;
1514 WREG32(mmVM_L2_CG, data);
1515 }
1516}
1517
1518static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
1519 bool enable)
1520{
1521 uint32_t data;
1522
1523 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
1524 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1525 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1526 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1527
1528 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1529 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1530 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1531
1532 data = RREG32(mmMC_HUB_MISC_VM_CG);
1533 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1534 WREG32(mmMC_HUB_MISC_VM_CG, data);
1535
1536 data = RREG32(mmMC_XPB_CLK_GAT);
1537 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1538 WREG32(mmMC_XPB_CLK_GAT, data);
1539
1540 data = RREG32(mmATC_MISC_CG);
1541 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1542 WREG32(mmATC_MISC_CG, data);
1543
1544 data = RREG32(mmMC_CITF_MISC_WR_CG);
1545 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1546 WREG32(mmMC_CITF_MISC_WR_CG, data);
1547
1548 data = RREG32(mmMC_CITF_MISC_RD_CG);
1549 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1550 WREG32(mmMC_CITF_MISC_RD_CG, data);
1551
1552 data = RREG32(mmMC_CITF_MISC_VM_CG);
1553 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1554 WREG32(mmMC_CITF_MISC_VM_CG, data);
1555
1556 data = RREG32(mmVM_L2_CG);
1557 data |= VM_L2_CG__MEM_LS_ENABLE_MASK;
1558 WREG32(mmVM_L2_CG, data);
1559 } else {
1560 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1561 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1562 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1563
1564 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1565 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1566 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1567
1568 data = RREG32(mmMC_HUB_MISC_VM_CG);
1569 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1570 WREG32(mmMC_HUB_MISC_VM_CG, data);
1571
1572 data = RREG32(mmMC_XPB_CLK_GAT);
1573 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1574 WREG32(mmMC_XPB_CLK_GAT, data);
1575
1576 data = RREG32(mmATC_MISC_CG);
1577 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1578 WREG32(mmATC_MISC_CG, data);
1579
1580 data = RREG32(mmMC_CITF_MISC_WR_CG);
1581 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1582 WREG32(mmMC_CITF_MISC_WR_CG, data);
1583
1584 data = RREG32(mmMC_CITF_MISC_RD_CG);
1585 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1586 WREG32(mmMC_CITF_MISC_RD_CG, data);
1587
1588 data = RREG32(mmMC_CITF_MISC_VM_CG);
1589 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1590 WREG32(mmMC_CITF_MISC_VM_CG, data);
1591
1592 data = RREG32(mmVM_L2_CG);
1593 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK;
1594 WREG32(mmVM_L2_CG, data);
1595 }
1596}
1597
1598static int gmc_v8_0_set_clockgating_state(void *handle,
1599 enum amd_clockgating_state state)
1600{
1601 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1602
1603 if (amdgpu_sriov_vf(adev))
1604 return 0;
1605
1606 switch (adev->asic_type) {
1607 case CHIP_FIJI:
1608 fiji_update_mc_medium_grain_clock_gating(adev,
1609 state == AMD_CG_STATE_GATE);
1610 fiji_update_mc_light_sleep(adev,
1611 state == AMD_CG_STATE_GATE);
1612 break;
1613 default:
1614 break;
1615 }
1616 return 0;
1617}
1618
1619static int gmc_v8_0_set_powergating_state(void *handle,
1620 enum amd_powergating_state state)
1621{
1622 return 0;
1623}
1624
1625static void gmc_v8_0_get_clockgating_state(void *handle, u32 *flags)
1626{
1627 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1628 int data;
1629
1630 if (amdgpu_sriov_vf(adev))
1631 *flags = 0;
1632
1633 /* AMD_CG_SUPPORT_MC_MGCG */
1634 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1635 if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK)
1636 *flags |= AMD_CG_SUPPORT_MC_MGCG;
1637
1638 /* AMD_CG_SUPPORT_MC_LS */
1639 if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK)
1640 *flags |= AMD_CG_SUPPORT_MC_LS;
1641}
1642
1643static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
1644 .name = "gmc_v8_0",
1645 .early_init = gmc_v8_0_early_init,
1646 .late_init = gmc_v8_0_late_init,
1647 .sw_init = gmc_v8_0_sw_init,
1648 .sw_fini = gmc_v8_0_sw_fini,
1649 .hw_init = gmc_v8_0_hw_init,
1650 .hw_fini = gmc_v8_0_hw_fini,
1651 .suspend = gmc_v8_0_suspend,
1652 .resume = gmc_v8_0_resume,
1653 .is_idle = gmc_v8_0_is_idle,
1654 .wait_for_idle = gmc_v8_0_wait_for_idle,
1655 .check_soft_reset = gmc_v8_0_check_soft_reset,
1656 .pre_soft_reset = gmc_v8_0_pre_soft_reset,
1657 .soft_reset = gmc_v8_0_soft_reset,
1658 .post_soft_reset = gmc_v8_0_post_soft_reset,
1659 .set_clockgating_state = gmc_v8_0_set_clockgating_state,
1660 .set_powergating_state = gmc_v8_0_set_powergating_state,
1661 .get_clockgating_state = gmc_v8_0_get_clockgating_state,
1662};
1663
1664static const struct amdgpu_gmc_funcs gmc_v8_0_gmc_funcs = {
1665 .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb,
1666 .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb,
1667 .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping,
1668 .set_pte_pde = gmc_v8_0_set_pte_pde,
1669 .set_prt = gmc_v8_0_set_prt,
1670 .get_vm_pte_flags = gmc_v8_0_get_vm_pte_flags,
1671 .get_vm_pde = gmc_v8_0_get_vm_pde
1672};
1673
1674static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = {
1675 .set = gmc_v8_0_vm_fault_interrupt_state,
1676 .process = gmc_v8_0_process_interrupt,
1677};
1678
1679static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev)
1680{
1681 if (adev->gmc.gmc_funcs == NULL)
1682 adev->gmc.gmc_funcs = &gmc_v8_0_gmc_funcs;
1683}
1684
1685static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev)
1686{
1687 adev->gmc.vm_fault.num_types = 1;
1688 adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs;
1689}
1690
1691const struct amdgpu_ip_block_version gmc_v8_0_ip_block =
1692{
1693 .type = AMD_IP_BLOCK_TYPE_GMC,
1694 .major = 8,
1695 .minor = 0,
1696 .rev = 0,
1697 .funcs = &gmc_v8_0_ip_funcs,
1698};
1699
1700const struct amdgpu_ip_block_version gmc_v8_1_ip_block =
1701{
1702 .type = AMD_IP_BLOCK_TYPE_GMC,
1703 .major = 8,
1704 .minor = 1,
1705 .rev = 0,
1706 .funcs = &gmc_v8_0_ip_funcs,
1707};
1708
1709const struct amdgpu_ip_block_version gmc_v8_5_ip_block =
1710{
1711 .type = AMD_IP_BLOCK_TYPE_GMC,
1712 .major = 8,
1713 .minor = 5,
1714 .rev = 0,
1715 .funcs = &gmc_v8_0_ip_funcs,
1716};