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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#include <linux/firmware.h>
24#include "drmP.h"
25#include "amdgpu.h"
26#include "cikd.h"
27#include "cik.h"
28#include "gmc_v7_0.h"
29#include "amdgpu_ucode.h"
30
31#include "bif/bif_4_1_d.h"
32#include "bif/bif_4_1_sh_mask.h"
33
34#include "gmc/gmc_7_1_d.h"
35#include "gmc/gmc_7_1_sh_mask.h"
36
37#include "oss/oss_2_0_d.h"
38#include "oss/oss_2_0_sh_mask.h"
39
40static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev);
41static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev);
42
43MODULE_FIRMWARE("radeon/bonaire_mc.bin");
44MODULE_FIRMWARE("radeon/hawaii_mc.bin");
45MODULE_FIRMWARE("amdgpu/topaz_mc.bin");
46
47static const u32 golden_settings_iceland_a11[] =
48{
49 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
50 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
51 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
52 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
53};
54
55static const u32 iceland_mgcg_cgcg_init[] =
56{
57 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
58};
59
60static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev)
61{
62 switch (adev->asic_type) {
63 case CHIP_TOPAZ:
64 amdgpu_program_register_sequence(adev,
65 iceland_mgcg_cgcg_init,
66 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
67 amdgpu_program_register_sequence(adev,
68 golden_settings_iceland_a11,
69 (const u32)ARRAY_SIZE(golden_settings_iceland_a11));
70 break;
71 default:
72 break;
73 }
74}
75
76/**
77 * gmc7_mc_wait_for_idle - wait for MC idle callback.
78 *
79 * @adev: amdgpu_device pointer
80 *
81 * Wait for the MC (memory controller) to be idle.
82 * (evergreen+).
83 * Returns 0 if the MC is idle, -1 if not.
84 */
85int gmc_v7_0_mc_wait_for_idle(struct amdgpu_device *adev)
86{
87 unsigned i;
88 u32 tmp;
89
90 for (i = 0; i < adev->usec_timeout; i++) {
91 /* read MC_STATUS */
92 tmp = RREG32(mmSRBM_STATUS) & 0x1F00;
93 if (!tmp)
94 return 0;
95 udelay(1);
96 }
97 return -1;
98}
99
100void gmc_v7_0_mc_stop(struct amdgpu_device *adev,
101 struct amdgpu_mode_mc_save *save)
102{
103 u32 blackout;
104
105 if (adev->mode_info.num_crtc)
106 amdgpu_display_stop_mc_access(adev, save);
107
108 amdgpu_asic_wait_for_mc_idle(adev);
109
110 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
111 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
112 /* Block CPU access */
113 WREG32(mmBIF_FB_EN, 0);
114 /* blackout the MC */
115 blackout = REG_SET_FIELD(blackout,
116 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
117 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
118 }
119 /* wait for the MC to settle */
120 udelay(100);
121}
122
123void gmc_v7_0_mc_resume(struct amdgpu_device *adev,
124 struct amdgpu_mode_mc_save *save)
125{
126 u32 tmp;
127
128 /* unblackout the MC */
129 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
130 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
131 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
132 /* allow CPU access */
133 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
134 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
135 WREG32(mmBIF_FB_EN, tmp);
136
137 if (adev->mode_info.num_crtc)
138 amdgpu_display_resume_mc_access(adev, save);
139}
140
141/**
142 * gmc_v7_0_init_microcode - load ucode images from disk
143 *
144 * @adev: amdgpu_device pointer
145 *
146 * Use the firmware interface to load the ucode images into
147 * the driver (not loaded into hw).
148 * Returns 0 on success, error on failure.
149 */
150static int gmc_v7_0_init_microcode(struct amdgpu_device *adev)
151{
152 const char *chip_name;
153 char fw_name[30];
154 int err;
155
156 DRM_DEBUG("\n");
157
158 switch (adev->asic_type) {
159 case CHIP_BONAIRE:
160 chip_name = "bonaire";
161 break;
162 case CHIP_HAWAII:
163 chip_name = "hawaii";
164 break;
165 case CHIP_TOPAZ:
166 chip_name = "topaz";
167 break;
168 case CHIP_KAVERI:
169 case CHIP_KABINI:
170 return 0;
171 default: BUG();
172 }
173
174 if (adev->asic_type == CHIP_TOPAZ)
175 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
176 else
177 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
178
179 err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
180 if (err)
181 goto out;
182 err = amdgpu_ucode_validate(adev->mc.fw);
183
184out:
185 if (err) {
186 printk(KERN_ERR
187 "cik_mc: Failed to load firmware \"%s\"\n",
188 fw_name);
189 release_firmware(adev->mc.fw);
190 adev->mc.fw = NULL;
191 }
192 return err;
193}
194
195/**
196 * gmc_v7_0_mc_load_microcode - load MC ucode into the hw
197 *
198 * @adev: amdgpu_device pointer
199 *
200 * Load the GDDR MC ucode into the hw (CIK).
201 * Returns 0 on success, error on failure.
202 */
203static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
204{
205 const struct mc_firmware_header_v1_0 *hdr;
206 const __le32 *fw_data = NULL;
207 const __le32 *io_mc_regs = NULL;
208 u32 running, blackout = 0;
209 int i, ucode_size, regs_size;
210
211 if (!adev->mc.fw)
212 return -EINVAL;
213
214 hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data;
215 amdgpu_ucode_print_mc_hdr(&hdr->header);
216
217 adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version);
218 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
219 io_mc_regs = (const __le32 *)
220 (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
221 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
222 fw_data = (const __le32 *)
223 (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
224
225 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
226
227 if (running == 0) {
228 if (running) {
229 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
230 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
231 }
232
233 /* reset the engine and set to writable */
234 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
235 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
236
237 /* load mc io regs */
238 for (i = 0; i < regs_size; i++) {
239 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
240 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
241 }
242 /* load the MC ucode */
243 for (i = 0; i < ucode_size; i++)
244 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
245
246 /* put the engine back into the active state */
247 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
248 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
249 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
250
251 /* wait for training to complete */
252 for (i = 0; i < adev->usec_timeout; i++) {
253 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
254 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
255 break;
256 udelay(1);
257 }
258 for (i = 0; i < adev->usec_timeout; i++) {
259 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
260 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
261 break;
262 udelay(1);
263 }
264
265 if (running)
266 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
267 }
268
269 return 0;
270}
271
272static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev,
273 struct amdgpu_mc *mc)
274{
275 if (mc->mc_vram_size > 0xFFC0000000ULL) {
276 /* leave room for at least 1024M GTT */
277 dev_warn(adev->dev, "limiting VRAM\n");
278 mc->real_vram_size = 0xFFC0000000ULL;
279 mc->mc_vram_size = 0xFFC0000000ULL;
280 }
281 amdgpu_vram_location(adev, &adev->mc, 0);
282 adev->mc.gtt_base_align = 0;
283 amdgpu_gtt_location(adev, mc);
284}
285
286/**
287 * gmc_v7_0_mc_program - program the GPU memory controller
288 *
289 * @adev: amdgpu_device pointer
290 *
291 * Set the location of vram, gart, and AGP in the GPU's
292 * physical address space (CIK).
293 */
294static void gmc_v7_0_mc_program(struct amdgpu_device *adev)
295{
296 struct amdgpu_mode_mc_save save;
297 u32 tmp;
298 int i, j;
299
300 /* Initialize HDP */
301 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
302 WREG32((0xb05 + j), 0x00000000);
303 WREG32((0xb06 + j), 0x00000000);
304 WREG32((0xb07 + j), 0x00000000);
305 WREG32((0xb08 + j), 0x00000000);
306 WREG32((0xb09 + j), 0x00000000);
307 }
308 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
309
310 if (adev->mode_info.num_crtc)
311 amdgpu_display_set_vga_render_state(adev, false);
312
313 gmc_v7_0_mc_stop(adev, &save);
314 if (amdgpu_asic_wait_for_mc_idle(adev)) {
315 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
316 }
317 /* Update configuration */
318 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
319 adev->mc.vram_start >> 12);
320 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
321 adev->mc.vram_end >> 12);
322 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
323 adev->vram_scratch.gpu_addr >> 12);
324 tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16;
325 tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF);
326 WREG32(mmMC_VM_FB_LOCATION, tmp);
327 /* XXX double check these! */
328 WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8));
329 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
330 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
331 WREG32(mmMC_VM_AGP_BASE, 0);
332 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
333 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
334 if (amdgpu_asic_wait_for_mc_idle(adev)) {
335 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
336 }
337 gmc_v7_0_mc_resume(adev, &save);
338
339 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
340
341 tmp = RREG32(mmHDP_MISC_CNTL);
342 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
343 WREG32(mmHDP_MISC_CNTL, tmp);
344
345 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
346 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
347}
348
349/**
350 * gmc_v7_0_mc_init - initialize the memory controller driver params
351 *
352 * @adev: amdgpu_device pointer
353 *
354 * Look up the amount of vram, vram width, and decide how to place
355 * vram and gart within the GPU's physical address space (CIK).
356 * Returns 0 for success.
357 */
358static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
359{
360 u32 tmp;
361 int chansize, numchan;
362
363 /* Get VRAM informations */
364 tmp = RREG32(mmMC_ARB_RAMCFG);
365 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) {
366 chansize = 64;
367 } else {
368 chansize = 32;
369 }
370 tmp = RREG32(mmMC_SHARED_CHMAP);
371 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
372 case 0:
373 default:
374 numchan = 1;
375 break;
376 case 1:
377 numchan = 2;
378 break;
379 case 2:
380 numchan = 4;
381 break;
382 case 3:
383 numchan = 8;
384 break;
385 case 4:
386 numchan = 3;
387 break;
388 case 5:
389 numchan = 6;
390 break;
391 case 6:
392 numchan = 10;
393 break;
394 case 7:
395 numchan = 12;
396 break;
397 case 8:
398 numchan = 16;
399 break;
400 }
401 adev->mc.vram_width = numchan * chansize;
402 /* Could aper size report 0 ? */
403 adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
404 adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
405 /* size in MB on si */
406 adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
407 adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
408 adev->mc.visible_vram_size = adev->mc.aper_size;
409
410 /* In case the PCI BAR is larger than the actual amount of vram */
411 if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
412 adev->mc.visible_vram_size = adev->mc.real_vram_size;
413
414 /* unless the user had overridden it, set the gart
415 * size equal to the 1024 or vram, whichever is larger.
416 */
417 if (amdgpu_gart_size == -1)
418 adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
419 else
420 adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
421
422 gmc_v7_0_vram_gtt_location(adev, &adev->mc);
423
424 return 0;
425}
426
427/*
428 * GART
429 * VMID 0 is the physical GPU addresses as used by the kernel.
430 * VMIDs 1-15 are used for userspace clients and are handled
431 * by the amdgpu vm/hsa code.
432 */
433
434/**
435 * gmc_v7_0_gart_flush_gpu_tlb - gart tlb flush callback
436 *
437 * @adev: amdgpu_device pointer
438 * @vmid: vm instance to flush
439 *
440 * Flush the TLB for the requested page table (CIK).
441 */
442static void gmc_v7_0_gart_flush_gpu_tlb(struct amdgpu_device *adev,
443 uint32_t vmid)
444{
445 /* flush hdp cache */
446 WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0);
447
448 /* bits 0-15 are the VM contexts0-15 */
449 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
450}
451
452/**
453 * gmc_v7_0_gart_set_pte_pde - update the page tables using MMIO
454 *
455 * @adev: amdgpu_device pointer
456 * @cpu_pt_addr: cpu address of the page table
457 * @gpu_page_idx: entry in the page table to update
458 * @addr: dst addr to write into pte/pde
459 * @flags: access flags
460 *
461 * Update the page tables using the CPU.
462 */
463static int gmc_v7_0_gart_set_pte_pde(struct amdgpu_device *adev,
464 void *cpu_pt_addr,
465 uint32_t gpu_page_idx,
466 uint64_t addr,
467 uint32_t flags)
468{
469 void __iomem *ptr = (void *)cpu_pt_addr;
470 uint64_t value;
471
472 value = addr & 0xFFFFFFFFFFFFF000ULL;
473 value |= flags;
474 writeq(value, ptr + (gpu_page_idx * 8));
475
476 return 0;
477}
478
479/**
480 * gmc_v8_0_set_fault_enable_default - update VM fault handling
481 *
482 * @adev: amdgpu_device pointer
483 * @value: true redirects VM faults to the default page
484 */
485static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device *adev,
486 bool value)
487{
488 u32 tmp;
489
490 tmp = RREG32(mmVM_CONTEXT1_CNTL);
491 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
492 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
493 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
494 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
495 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
496 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
497 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
498 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
499 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
500 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
501 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
502 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
503 WREG32(mmVM_CONTEXT1_CNTL, tmp);
504}
505
506/**
507 * gmc_v7_0_gart_enable - gart enable
508 *
509 * @adev: amdgpu_device pointer
510 *
511 * This sets up the TLBs, programs the page tables for VMID0,
512 * sets up the hw for VMIDs 1-15 which are allocated on
513 * demand, and sets up the global locations for the LDS, GDS,
514 * and GPUVM for FSA64 clients (CIK).
515 * Returns 0 for success, errors for failure.
516 */
517static int gmc_v7_0_gart_enable(struct amdgpu_device *adev)
518{
519 int r, i;
520 u32 tmp;
521
522 if (adev->gart.robj == NULL) {
523 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
524 return -EINVAL;
525 }
526 r = amdgpu_gart_table_vram_pin(adev);
527 if (r)
528 return r;
529 /* Setup TLB control */
530 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
531 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
532 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
533 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
534 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
535 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
536 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
537 /* Setup L2 cache */
538 tmp = RREG32(mmVM_L2_CNTL);
539 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
540 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
541 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
542 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
543 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
544 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
545 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
546 WREG32(mmVM_L2_CNTL, tmp);
547 tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
548 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
549 WREG32(mmVM_L2_CNTL2, tmp);
550 tmp = RREG32(mmVM_L2_CNTL3);
551 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
552 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4);
553 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4);
554 WREG32(mmVM_L2_CNTL3, tmp);
555 /* setup context0 */
556 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12);
557 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12);
558 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12);
559 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
560 (u32)(adev->dummy_page.addr >> 12));
561 WREG32(mmVM_CONTEXT0_CNTL2, 0);
562 tmp = RREG32(mmVM_CONTEXT0_CNTL);
563 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
564 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
565 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
566 WREG32(mmVM_CONTEXT0_CNTL, tmp);
567
568 WREG32(0x575, 0);
569 WREG32(0x576, 0);
570 WREG32(0x577, 0);
571
572 /* empty context1-15 */
573 /* FIXME start with 4G, once using 2 level pt switch to full
574 * vm size space
575 */
576 /* set vm size, must be a multiple of 4 */
577 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
578 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
579 for (i = 1; i < 16; i++) {
580 if (i < 8)
581 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
582 adev->gart.table_addr >> 12);
583 else
584 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
585 adev->gart.table_addr >> 12);
586 }
587
588 /* enable context1-15 */
589 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
590 (u32)(adev->dummy_page.addr >> 12));
591 WREG32(mmVM_CONTEXT1_CNTL2, 4);
592 tmp = RREG32(mmVM_CONTEXT1_CNTL);
593 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
594 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
595 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
596 amdgpu_vm_block_size - 9);
597 WREG32(mmVM_CONTEXT1_CNTL, tmp);
598 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
599 gmc_v7_0_set_fault_enable_default(adev, false);
600 else
601 gmc_v7_0_set_fault_enable_default(adev, true);
602
603 if (adev->asic_type == CHIP_KAVERI) {
604 tmp = RREG32(mmCHUB_CONTROL);
605 tmp &= ~BYPASS_VM;
606 WREG32(mmCHUB_CONTROL, tmp);
607 }
608
609 gmc_v7_0_gart_flush_gpu_tlb(adev, 0);
610 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
611 (unsigned)(adev->mc.gtt_size >> 20),
612 (unsigned long long)adev->gart.table_addr);
613 adev->gart.ready = true;
614 return 0;
615}
616
617static int gmc_v7_0_gart_init(struct amdgpu_device *adev)
618{
619 int r;
620
621 if (adev->gart.robj) {
622 WARN(1, "R600 PCIE GART already initialized\n");
623 return 0;
624 }
625 /* Initialize common gart structure */
626 r = amdgpu_gart_init(adev);
627 if (r)
628 return r;
629 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
630 return amdgpu_gart_table_vram_alloc(adev);
631}
632
633/**
634 * gmc_v7_0_gart_disable - gart disable
635 *
636 * @adev: amdgpu_device pointer
637 *
638 * This disables all VM page table (CIK).
639 */
640static void gmc_v7_0_gart_disable(struct amdgpu_device *adev)
641{
642 u32 tmp;
643
644 /* Disable all tables */
645 WREG32(mmVM_CONTEXT0_CNTL, 0);
646 WREG32(mmVM_CONTEXT1_CNTL, 0);
647 /* Setup TLB control */
648 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
649 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
650 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
651 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
652 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
653 /* Setup L2 cache */
654 tmp = RREG32(mmVM_L2_CNTL);
655 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
656 WREG32(mmVM_L2_CNTL, tmp);
657 WREG32(mmVM_L2_CNTL2, 0);
658 amdgpu_gart_table_vram_unpin(adev);
659}
660
661/**
662 * gmc_v7_0_gart_fini - vm fini callback
663 *
664 * @adev: amdgpu_device pointer
665 *
666 * Tears down the driver GART/VM setup (CIK).
667 */
668static void gmc_v7_0_gart_fini(struct amdgpu_device *adev)
669{
670 amdgpu_gart_table_vram_free(adev);
671 amdgpu_gart_fini(adev);
672}
673
674/*
675 * vm
676 * VMID 0 is the physical GPU addresses as used by the kernel.
677 * VMIDs 1-15 are used for userspace clients and are handled
678 * by the amdgpu vm/hsa code.
679 */
680/**
681 * gmc_v7_0_vm_init - cik vm init callback
682 *
683 * @adev: amdgpu_device pointer
684 *
685 * Inits cik specific vm parameters (number of VMs, base of vram for
686 * VMIDs 1-15) (CIK).
687 * Returns 0 for success.
688 */
689static int gmc_v7_0_vm_init(struct amdgpu_device *adev)
690{
691 /*
692 * number of VMs
693 * VMID 0 is reserved for System
694 * amdgpu graphics/compute will use VMIDs 1-7
695 * amdkfd will use VMIDs 8-15
696 */
697 adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
698 amdgpu_vm_manager_init(adev);
699
700 /* base offset of vram pages */
701 if (adev->flags & AMD_IS_APU) {
702 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
703 tmp <<= 22;
704 adev->vm_manager.vram_base_offset = tmp;
705 } else
706 adev->vm_manager.vram_base_offset = 0;
707
708 return 0;
709}
710
711/**
712 * gmc_v7_0_vm_fini - cik vm fini callback
713 *
714 * @adev: amdgpu_device pointer
715 *
716 * Tear down any asic specific VM setup (CIK).
717 */
718static void gmc_v7_0_vm_fini(struct amdgpu_device *adev)
719{
720}
721
722/**
723 * gmc_v7_0_vm_decode_fault - print human readable fault info
724 *
725 * @adev: amdgpu_device pointer
726 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
727 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
728 *
729 * Print human readable fault information (CIK).
730 */
731static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev,
732 u32 status, u32 addr, u32 mc_client)
733{
734 u32 mc_id;
735 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
736 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
737 PROTECTIONS);
738 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
739 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
740
741 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
742 MEMORY_CLIENT_ID);
743
744 printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
745 protections, vmid, addr,
746 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
747 MEMORY_CLIENT_RW) ?
748 "write" : "read", block, mc_client, mc_id);
749}
750
751
752static const u32 mc_cg_registers[] = {
753 mmMC_HUB_MISC_HUB_CG,
754 mmMC_HUB_MISC_SIP_CG,
755 mmMC_HUB_MISC_VM_CG,
756 mmMC_XPB_CLK_GAT,
757 mmATC_MISC_CG,
758 mmMC_CITF_MISC_WR_CG,
759 mmMC_CITF_MISC_RD_CG,
760 mmMC_CITF_MISC_VM_CG,
761 mmVM_L2_CG,
762};
763
764static const u32 mc_cg_ls_en[] = {
765 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
766 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
767 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
768 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
769 ATC_MISC_CG__MEM_LS_ENABLE_MASK,
770 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
771 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
772 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
773 VM_L2_CG__MEM_LS_ENABLE_MASK,
774};
775
776static const u32 mc_cg_en[] = {
777 MC_HUB_MISC_HUB_CG__ENABLE_MASK,
778 MC_HUB_MISC_SIP_CG__ENABLE_MASK,
779 MC_HUB_MISC_VM_CG__ENABLE_MASK,
780 MC_XPB_CLK_GAT__ENABLE_MASK,
781 ATC_MISC_CG__ENABLE_MASK,
782 MC_CITF_MISC_WR_CG__ENABLE_MASK,
783 MC_CITF_MISC_RD_CG__ENABLE_MASK,
784 MC_CITF_MISC_VM_CG__ENABLE_MASK,
785 VM_L2_CG__ENABLE_MASK,
786};
787
788static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev,
789 bool enable)
790{
791 int i;
792 u32 orig, data;
793
794 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
795 orig = data = RREG32(mc_cg_registers[i]);
796 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
797 data |= mc_cg_ls_en[i];
798 else
799 data &= ~mc_cg_ls_en[i];
800 if (data != orig)
801 WREG32(mc_cg_registers[i], data);
802 }
803}
804
805static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev,
806 bool enable)
807{
808 int i;
809 u32 orig, data;
810
811 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
812 orig = data = RREG32(mc_cg_registers[i]);
813 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
814 data |= mc_cg_en[i];
815 else
816 data &= ~mc_cg_en[i];
817 if (data != orig)
818 WREG32(mc_cg_registers[i], data);
819 }
820}
821
822static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev,
823 bool enable)
824{
825 u32 orig, data;
826
827 orig = data = RREG32_PCIE(ixPCIE_CNTL2);
828
829 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
830 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
831 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
832 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
833 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
834 } else {
835 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
836 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
837 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
838 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
839 }
840
841 if (orig != data)
842 WREG32_PCIE(ixPCIE_CNTL2, data);
843}
844
845static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev,
846 bool enable)
847{
848 u32 orig, data;
849
850 orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
851
852 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
853 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
854 else
855 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
856
857 if (orig != data)
858 WREG32(mmHDP_HOST_PATH_CNTL, data);
859}
860
861static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev,
862 bool enable)
863{
864 u32 orig, data;
865
866 orig = data = RREG32(mmHDP_MEM_POWER_LS);
867
868 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
869 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
870 else
871 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
872
873 if (orig != data)
874 WREG32(mmHDP_MEM_POWER_LS, data);
875}
876
877static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type)
878{
879 switch (mc_seq_vram_type) {
880 case MC_SEQ_MISC0__MT__GDDR1:
881 return AMDGPU_VRAM_TYPE_GDDR1;
882 case MC_SEQ_MISC0__MT__DDR2:
883 return AMDGPU_VRAM_TYPE_DDR2;
884 case MC_SEQ_MISC0__MT__GDDR3:
885 return AMDGPU_VRAM_TYPE_GDDR3;
886 case MC_SEQ_MISC0__MT__GDDR4:
887 return AMDGPU_VRAM_TYPE_GDDR4;
888 case MC_SEQ_MISC0__MT__GDDR5:
889 return AMDGPU_VRAM_TYPE_GDDR5;
890 case MC_SEQ_MISC0__MT__HBM:
891 return AMDGPU_VRAM_TYPE_HBM;
892 case MC_SEQ_MISC0__MT__DDR3:
893 return AMDGPU_VRAM_TYPE_DDR3;
894 default:
895 return AMDGPU_VRAM_TYPE_UNKNOWN;
896 }
897}
898
899static int gmc_v7_0_early_init(void *handle)
900{
901 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
902
903 gmc_v7_0_set_gart_funcs(adev);
904 gmc_v7_0_set_irq_funcs(adev);
905
906 return 0;
907}
908
909static int gmc_v7_0_late_init(void *handle)
910{
911 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
912
913 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
914 return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
915 else
916 return 0;
917}
918
919static int gmc_v7_0_sw_init(void *handle)
920{
921 int r;
922 int dma_bits;
923 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
924
925 if (adev->flags & AMD_IS_APU) {
926 adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
927 } else {
928 u32 tmp = RREG32(mmMC_SEQ_MISC0);
929 tmp &= MC_SEQ_MISC0__MT__MASK;
930 adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp);
931 }
932
933 r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault);
934 if (r)
935 return r;
936
937 r = amdgpu_irq_add_id(adev, 147, &adev->mc.vm_fault);
938 if (r)
939 return r;
940
941 /* Adjust VM size here.
942 * Currently set to 4GB ((1 << 20) 4k pages).
943 * Max GPUVM size for cayman and SI is 40 bits.
944 */
945 adev->vm_manager.max_pfn = amdgpu_vm_size << 18;
946
947 /* Set the internal MC address mask
948 * This is the max address of the GPU's
949 * internal address space.
950 */
951 adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
952
953 /* set DMA mask + need_dma32 flags.
954 * PCIE - can handle 40-bits.
955 * IGP - can handle 40-bits
956 * PCI - dma32 for legacy pci gart, 40 bits on newer asics
957 */
958 adev->need_dma32 = false;
959 dma_bits = adev->need_dma32 ? 32 : 40;
960 r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
961 if (r) {
962 adev->need_dma32 = true;
963 dma_bits = 32;
964 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
965 }
966 r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
967 if (r) {
968 pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
969 printk(KERN_WARNING "amdgpu: No coherent DMA available.\n");
970 }
971
972 r = gmc_v7_0_init_microcode(adev);
973 if (r) {
974 DRM_ERROR("Failed to load mc firmware!\n");
975 return r;
976 }
977
978 r = gmc_v7_0_mc_init(adev);
979 if (r)
980 return r;
981
982 /* Memory manager */
983 r = amdgpu_bo_init(adev);
984 if (r)
985 return r;
986
987 r = gmc_v7_0_gart_init(adev);
988 if (r)
989 return r;
990
991 if (!adev->vm_manager.enabled) {
992 r = gmc_v7_0_vm_init(adev);
993 if (r) {
994 dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
995 return r;
996 }
997 adev->vm_manager.enabled = true;
998 }
999
1000 return r;
1001}
1002
1003static int gmc_v7_0_sw_fini(void *handle)
1004{
1005 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1006
1007 if (adev->vm_manager.enabled) {
1008 amdgpu_vm_manager_fini(adev);
1009 gmc_v7_0_vm_fini(adev);
1010 adev->vm_manager.enabled = false;
1011 }
1012 gmc_v7_0_gart_fini(adev);
1013 amdgpu_gem_force_release(adev);
1014 amdgpu_bo_fini(adev);
1015
1016 return 0;
1017}
1018
1019static int gmc_v7_0_hw_init(void *handle)
1020{
1021 int r;
1022 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1023
1024 gmc_v7_0_init_golden_registers(adev);
1025
1026 gmc_v7_0_mc_program(adev);
1027
1028 if (!(adev->flags & AMD_IS_APU)) {
1029 r = gmc_v7_0_mc_load_microcode(adev);
1030 if (r) {
1031 DRM_ERROR("Failed to load MC firmware!\n");
1032 return r;
1033 }
1034 }
1035
1036 r = gmc_v7_0_gart_enable(adev);
1037 if (r)
1038 return r;
1039
1040 return r;
1041}
1042
1043static int gmc_v7_0_hw_fini(void *handle)
1044{
1045 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1046
1047 amdgpu_irq_put(adev, &adev->mc.vm_fault, 0);
1048 gmc_v7_0_gart_disable(adev);
1049
1050 return 0;
1051}
1052
1053static int gmc_v7_0_suspend(void *handle)
1054{
1055 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1056
1057 if (adev->vm_manager.enabled) {
1058 gmc_v7_0_vm_fini(adev);
1059 adev->vm_manager.enabled = false;
1060 }
1061 gmc_v7_0_hw_fini(adev);
1062
1063 return 0;
1064}
1065
1066static int gmc_v7_0_resume(void *handle)
1067{
1068 int r;
1069 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1070
1071 r = gmc_v7_0_hw_init(adev);
1072 if (r)
1073 return r;
1074
1075 if (!adev->vm_manager.enabled) {
1076 r = gmc_v7_0_vm_init(adev);
1077 if (r) {
1078 dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
1079 return r;
1080 }
1081 adev->vm_manager.enabled = true;
1082 }
1083
1084 return r;
1085}
1086
1087static bool gmc_v7_0_is_idle(void *handle)
1088{
1089 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1090 u32 tmp = RREG32(mmSRBM_STATUS);
1091
1092 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1093 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1094 return false;
1095
1096 return true;
1097}
1098
1099static int gmc_v7_0_wait_for_idle(void *handle)
1100{
1101 unsigned i;
1102 u32 tmp;
1103 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1104
1105 for (i = 0; i < adev->usec_timeout; i++) {
1106 /* read MC_STATUS */
1107 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1108 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1109 SRBM_STATUS__MCC_BUSY_MASK |
1110 SRBM_STATUS__MCD_BUSY_MASK |
1111 SRBM_STATUS__VMC_BUSY_MASK);
1112 if (!tmp)
1113 return 0;
1114 udelay(1);
1115 }
1116 return -ETIMEDOUT;
1117
1118}
1119
1120static void gmc_v7_0_print_status(void *handle)
1121{
1122 int i, j;
1123 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1124
1125 dev_info(adev->dev, "GMC 8.x registers\n");
1126 dev_info(adev->dev, " SRBM_STATUS=0x%08X\n",
1127 RREG32(mmSRBM_STATUS));
1128 dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n",
1129 RREG32(mmSRBM_STATUS2));
1130
1131 dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1132 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR));
1133 dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1134 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS));
1135 dev_info(adev->dev, " MC_VM_MX_L1_TLB_CNTL=0x%08X\n",
1136 RREG32(mmMC_VM_MX_L1_TLB_CNTL));
1137 dev_info(adev->dev, " VM_L2_CNTL=0x%08X\n",
1138 RREG32(mmVM_L2_CNTL));
1139 dev_info(adev->dev, " VM_L2_CNTL2=0x%08X\n",
1140 RREG32(mmVM_L2_CNTL2));
1141 dev_info(adev->dev, " VM_L2_CNTL3=0x%08X\n",
1142 RREG32(mmVM_L2_CNTL3));
1143 dev_info(adev->dev, " VM_CONTEXT0_PAGE_TABLE_START_ADDR=0x%08X\n",
1144 RREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR));
1145 dev_info(adev->dev, " VM_CONTEXT0_PAGE_TABLE_END_ADDR=0x%08X\n",
1146 RREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR));
1147 dev_info(adev->dev, " VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR=0x%08X\n",
1148 RREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR));
1149 dev_info(adev->dev, " VM_CONTEXT0_CNTL2=0x%08X\n",
1150 RREG32(mmVM_CONTEXT0_CNTL2));
1151 dev_info(adev->dev, " VM_CONTEXT0_CNTL=0x%08X\n",
1152 RREG32(mmVM_CONTEXT0_CNTL));
1153 dev_info(adev->dev, " 0x15D4=0x%08X\n",
1154 RREG32(0x575));
1155 dev_info(adev->dev, " 0x15D8=0x%08X\n",
1156 RREG32(0x576));
1157 dev_info(adev->dev, " 0x15DC=0x%08X\n",
1158 RREG32(0x577));
1159 dev_info(adev->dev, " VM_CONTEXT1_PAGE_TABLE_START_ADDR=0x%08X\n",
1160 RREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR));
1161 dev_info(adev->dev, " VM_CONTEXT1_PAGE_TABLE_END_ADDR=0x%08X\n",
1162 RREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR));
1163 dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR=0x%08X\n",
1164 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR));
1165 dev_info(adev->dev, " VM_CONTEXT1_CNTL2=0x%08X\n",
1166 RREG32(mmVM_CONTEXT1_CNTL2));
1167 dev_info(adev->dev, " VM_CONTEXT1_CNTL=0x%08X\n",
1168 RREG32(mmVM_CONTEXT1_CNTL));
1169 for (i = 0; i < 16; i++) {
1170 if (i < 8)
1171 dev_info(adev->dev, " VM_CONTEXT%d_PAGE_TABLE_BASE_ADDR=0x%08X\n",
1172 i, RREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i));
1173 else
1174 dev_info(adev->dev, " VM_CONTEXT%d_PAGE_TABLE_BASE_ADDR=0x%08X\n",
1175 i, RREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8));
1176 }
1177 dev_info(adev->dev, " MC_VM_SYSTEM_APERTURE_LOW_ADDR=0x%08X\n",
1178 RREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR));
1179 dev_info(adev->dev, " MC_VM_SYSTEM_APERTURE_HIGH_ADDR=0x%08X\n",
1180 RREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR));
1181 dev_info(adev->dev, " MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR=0x%08X\n",
1182 RREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR));
1183 dev_info(adev->dev, " MC_VM_FB_LOCATION=0x%08X\n",
1184 RREG32(mmMC_VM_FB_LOCATION));
1185 dev_info(adev->dev, " MC_VM_AGP_BASE=0x%08X\n",
1186 RREG32(mmMC_VM_AGP_BASE));
1187 dev_info(adev->dev, " MC_VM_AGP_TOP=0x%08X\n",
1188 RREG32(mmMC_VM_AGP_TOP));
1189 dev_info(adev->dev, " MC_VM_AGP_BOT=0x%08X\n",
1190 RREG32(mmMC_VM_AGP_BOT));
1191
1192 if (adev->asic_type == CHIP_KAVERI) {
1193 dev_info(adev->dev, " CHUB_CONTROL=0x%08X\n",
1194 RREG32(mmCHUB_CONTROL));
1195 }
1196
1197 dev_info(adev->dev, " HDP_REG_COHERENCY_FLUSH_CNTL=0x%08X\n",
1198 RREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL));
1199 dev_info(adev->dev, " HDP_NONSURFACE_BASE=0x%08X\n",
1200 RREG32(mmHDP_NONSURFACE_BASE));
1201 dev_info(adev->dev, " HDP_NONSURFACE_INFO=0x%08X\n",
1202 RREG32(mmHDP_NONSURFACE_INFO));
1203 dev_info(adev->dev, " HDP_NONSURFACE_SIZE=0x%08X\n",
1204 RREG32(mmHDP_NONSURFACE_SIZE));
1205 dev_info(adev->dev, " HDP_MISC_CNTL=0x%08X\n",
1206 RREG32(mmHDP_MISC_CNTL));
1207 dev_info(adev->dev, " HDP_HOST_PATH_CNTL=0x%08X\n",
1208 RREG32(mmHDP_HOST_PATH_CNTL));
1209
1210 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
1211 dev_info(adev->dev, " %d:\n", i);
1212 dev_info(adev->dev, " 0x%04X=0x%08X\n",
1213 0xb05 + j, RREG32(0xb05 + j));
1214 dev_info(adev->dev, " 0x%04X=0x%08X\n",
1215 0xb06 + j, RREG32(0xb06 + j));
1216 dev_info(adev->dev, " 0x%04X=0x%08X\n",
1217 0xb07 + j, RREG32(0xb07 + j));
1218 dev_info(adev->dev, " 0x%04X=0x%08X\n",
1219 0xb08 + j, RREG32(0xb08 + j));
1220 dev_info(adev->dev, " 0x%04X=0x%08X\n",
1221 0xb09 + j, RREG32(0xb09 + j));
1222 }
1223
1224 dev_info(adev->dev, " BIF_FB_EN=0x%08X\n",
1225 RREG32(mmBIF_FB_EN));
1226}
1227
1228static int gmc_v7_0_soft_reset(void *handle)
1229{
1230 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1231 struct amdgpu_mode_mc_save save;
1232 u32 srbm_soft_reset = 0;
1233 u32 tmp = RREG32(mmSRBM_STATUS);
1234
1235 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1236 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1237 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1238
1239 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1240 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1241 if (!(adev->flags & AMD_IS_APU))
1242 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1243 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1244 }
1245
1246 if (srbm_soft_reset) {
1247 gmc_v7_0_print_status((void *)adev);
1248
1249 gmc_v7_0_mc_stop(adev, &save);
1250 if (gmc_v7_0_wait_for_idle(adev)) {
1251 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1252 }
1253
1254
1255 tmp = RREG32(mmSRBM_SOFT_RESET);
1256 tmp |= srbm_soft_reset;
1257 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1258 WREG32(mmSRBM_SOFT_RESET, tmp);
1259 tmp = RREG32(mmSRBM_SOFT_RESET);
1260
1261 udelay(50);
1262
1263 tmp &= ~srbm_soft_reset;
1264 WREG32(mmSRBM_SOFT_RESET, tmp);
1265 tmp = RREG32(mmSRBM_SOFT_RESET);
1266
1267 /* Wait a little for things to settle down */
1268 udelay(50);
1269
1270 gmc_v7_0_mc_resume(adev, &save);
1271 udelay(50);
1272
1273 gmc_v7_0_print_status((void *)adev);
1274 }
1275
1276 return 0;
1277}
1278
1279static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1280 struct amdgpu_irq_src *src,
1281 unsigned type,
1282 enum amdgpu_interrupt_state state)
1283{
1284 u32 tmp;
1285 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1286 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1287 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1288 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1289 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1290 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1291
1292 switch (state) {
1293 case AMDGPU_IRQ_STATE_DISABLE:
1294 /* system context */
1295 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1296 tmp &= ~bits;
1297 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1298 /* VMs */
1299 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1300 tmp &= ~bits;
1301 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1302 break;
1303 case AMDGPU_IRQ_STATE_ENABLE:
1304 /* system context */
1305 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1306 tmp |= bits;
1307 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1308 /* VMs */
1309 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1310 tmp |= bits;
1311 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1312 break;
1313 default:
1314 break;
1315 }
1316
1317 return 0;
1318}
1319
1320static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev,
1321 struct amdgpu_irq_src *source,
1322 struct amdgpu_iv_entry *entry)
1323{
1324 u32 addr, status, mc_client;
1325
1326 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1327 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1328 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1329 /* reset addr and status */
1330 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1331
1332 if (!addr && !status)
1333 return 0;
1334
1335 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1336 gmc_v7_0_set_fault_enable_default(adev, false);
1337
1338 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1339 entry->src_id, entry->src_data);
1340 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1341 addr);
1342 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1343 status);
1344 gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client);
1345
1346 return 0;
1347}
1348
1349static int gmc_v7_0_set_clockgating_state(void *handle,
1350 enum amd_clockgating_state state)
1351{
1352 bool gate = false;
1353 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1354
1355 if (state == AMD_CG_STATE_GATE)
1356 gate = true;
1357
1358 if (!(adev->flags & AMD_IS_APU)) {
1359 gmc_v7_0_enable_mc_mgcg(adev, gate);
1360 gmc_v7_0_enable_mc_ls(adev, gate);
1361 }
1362 gmc_v7_0_enable_bif_mgls(adev, gate);
1363 gmc_v7_0_enable_hdp_mgcg(adev, gate);
1364 gmc_v7_0_enable_hdp_ls(adev, gate);
1365
1366 return 0;
1367}
1368
1369static int gmc_v7_0_set_powergating_state(void *handle,
1370 enum amd_powergating_state state)
1371{
1372 return 0;
1373}
1374
1375const struct amd_ip_funcs gmc_v7_0_ip_funcs = {
1376 .early_init = gmc_v7_0_early_init,
1377 .late_init = gmc_v7_0_late_init,
1378 .sw_init = gmc_v7_0_sw_init,
1379 .sw_fini = gmc_v7_0_sw_fini,
1380 .hw_init = gmc_v7_0_hw_init,
1381 .hw_fini = gmc_v7_0_hw_fini,
1382 .suspend = gmc_v7_0_suspend,
1383 .resume = gmc_v7_0_resume,
1384 .is_idle = gmc_v7_0_is_idle,
1385 .wait_for_idle = gmc_v7_0_wait_for_idle,
1386 .soft_reset = gmc_v7_0_soft_reset,
1387 .print_status = gmc_v7_0_print_status,
1388 .set_clockgating_state = gmc_v7_0_set_clockgating_state,
1389 .set_powergating_state = gmc_v7_0_set_powergating_state,
1390};
1391
1392static const struct amdgpu_gart_funcs gmc_v7_0_gart_funcs = {
1393 .flush_gpu_tlb = gmc_v7_0_gart_flush_gpu_tlb,
1394 .set_pte_pde = gmc_v7_0_gart_set_pte_pde,
1395};
1396
1397static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = {
1398 .set = gmc_v7_0_vm_fault_interrupt_state,
1399 .process = gmc_v7_0_process_interrupt,
1400};
1401
1402static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev)
1403{
1404 if (adev->gart.gart_funcs == NULL)
1405 adev->gart.gart_funcs = &gmc_v7_0_gart_funcs;
1406}
1407
1408static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev)
1409{
1410 adev->mc.vm_fault.num_types = 1;
1411 adev->mc.vm_fault.funcs = &gmc_v7_0_irq_funcs;
1412}
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 "drmP.h"
25#include "amdgpu.h"
26#include "cikd.h"
27#include "cik.h"
28#include "gmc_v7_0.h"
29#include "amdgpu_ucode.h"
30
31#include "bif/bif_4_1_d.h"
32#include "bif/bif_4_1_sh_mask.h"
33
34#include "gmc/gmc_7_1_d.h"
35#include "gmc/gmc_7_1_sh_mask.h"
36
37#include "oss/oss_2_0_d.h"
38#include "oss/oss_2_0_sh_mask.h"
39
40static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev);
41static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev);
42static int gmc_v7_0_wait_for_idle(void *handle);
43
44MODULE_FIRMWARE("radeon/bonaire_mc.bin");
45MODULE_FIRMWARE("radeon/hawaii_mc.bin");
46MODULE_FIRMWARE("amdgpu/topaz_mc.bin");
47
48static const u32 golden_settings_iceland_a11[] =
49{
50 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
51 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
52 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
53 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
54};
55
56static const u32 iceland_mgcg_cgcg_init[] =
57{
58 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
59};
60
61static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev)
62{
63 switch (adev->asic_type) {
64 case CHIP_TOPAZ:
65 amdgpu_program_register_sequence(adev,
66 iceland_mgcg_cgcg_init,
67 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
68 amdgpu_program_register_sequence(adev,
69 golden_settings_iceland_a11,
70 (const u32)ARRAY_SIZE(golden_settings_iceland_a11));
71 break;
72 default:
73 break;
74 }
75}
76
77static void gmc_v7_0_mc_stop(struct amdgpu_device *adev,
78 struct amdgpu_mode_mc_save *save)
79{
80 u32 blackout;
81
82 if (adev->mode_info.num_crtc)
83 amdgpu_display_stop_mc_access(adev, save);
84
85 gmc_v7_0_wait_for_idle((void *)adev);
86
87 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
88 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
89 /* Block CPU access */
90 WREG32(mmBIF_FB_EN, 0);
91 /* blackout the MC */
92 blackout = REG_SET_FIELD(blackout,
93 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
94 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
95 }
96 /* wait for the MC to settle */
97 udelay(100);
98}
99
100static void gmc_v7_0_mc_resume(struct amdgpu_device *adev,
101 struct amdgpu_mode_mc_save *save)
102{
103 u32 tmp;
104
105 /* unblackout the MC */
106 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
107 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
108 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
109 /* allow CPU access */
110 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
111 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
112 WREG32(mmBIF_FB_EN, tmp);
113
114 if (adev->mode_info.num_crtc)
115 amdgpu_display_resume_mc_access(adev, save);
116}
117
118/**
119 * gmc_v7_0_init_microcode - load ucode images from disk
120 *
121 * @adev: amdgpu_device pointer
122 *
123 * Use the firmware interface to load the ucode images into
124 * the driver (not loaded into hw).
125 * Returns 0 on success, error on failure.
126 */
127static int gmc_v7_0_init_microcode(struct amdgpu_device *adev)
128{
129 const char *chip_name;
130 char fw_name[30];
131 int err;
132
133 DRM_DEBUG("\n");
134
135 switch (adev->asic_type) {
136 case CHIP_BONAIRE:
137 chip_name = "bonaire";
138 break;
139 case CHIP_HAWAII:
140 chip_name = "hawaii";
141 break;
142 case CHIP_TOPAZ:
143 chip_name = "topaz";
144 break;
145 case CHIP_KAVERI:
146 case CHIP_KABINI:
147 case CHIP_MULLINS:
148 return 0;
149 default: BUG();
150 }
151
152 if (adev->asic_type == CHIP_TOPAZ)
153 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
154 else
155 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
156
157 err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
158 if (err)
159 goto out;
160 err = amdgpu_ucode_validate(adev->mc.fw);
161
162out:
163 if (err) {
164 printk(KERN_ERR
165 "cik_mc: Failed to load firmware \"%s\"\n",
166 fw_name);
167 release_firmware(adev->mc.fw);
168 adev->mc.fw = NULL;
169 }
170 return err;
171}
172
173/**
174 * gmc_v7_0_mc_load_microcode - load MC ucode into the hw
175 *
176 * @adev: amdgpu_device pointer
177 *
178 * Load the GDDR MC ucode into the hw (CIK).
179 * Returns 0 on success, error on failure.
180 */
181static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
182{
183 const struct mc_firmware_header_v1_0 *hdr;
184 const __le32 *fw_data = NULL;
185 const __le32 *io_mc_regs = NULL;
186 u32 running;
187 int i, ucode_size, regs_size;
188
189 if (!adev->mc.fw)
190 return -EINVAL;
191
192 hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data;
193 amdgpu_ucode_print_mc_hdr(&hdr->header);
194
195 adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version);
196 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
197 io_mc_regs = (const __le32 *)
198 (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
199 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
200 fw_data = (const __le32 *)
201 (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
202
203 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
204
205 if (running == 0) {
206 /* reset the engine and set to writable */
207 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
208 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
209
210 /* load mc io regs */
211 for (i = 0; i < regs_size; i++) {
212 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
213 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
214 }
215 /* load the MC ucode */
216 for (i = 0; i < ucode_size; i++)
217 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
218
219 /* put the engine back into the active state */
220 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
221 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
222 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
223
224 /* wait for training to complete */
225 for (i = 0; i < adev->usec_timeout; i++) {
226 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
227 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
228 break;
229 udelay(1);
230 }
231 for (i = 0; i < adev->usec_timeout; i++) {
232 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
233 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
234 break;
235 udelay(1);
236 }
237 }
238
239 return 0;
240}
241
242static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev,
243 struct amdgpu_mc *mc)
244{
245 if (mc->mc_vram_size > 0xFFC0000000ULL) {
246 /* leave room for at least 1024M GTT */
247 dev_warn(adev->dev, "limiting VRAM\n");
248 mc->real_vram_size = 0xFFC0000000ULL;
249 mc->mc_vram_size = 0xFFC0000000ULL;
250 }
251 amdgpu_vram_location(adev, &adev->mc, 0);
252 adev->mc.gtt_base_align = 0;
253 amdgpu_gtt_location(adev, mc);
254}
255
256/**
257 * gmc_v7_0_mc_program - program the GPU memory controller
258 *
259 * @adev: amdgpu_device pointer
260 *
261 * Set the location of vram, gart, and AGP in the GPU's
262 * physical address space (CIK).
263 */
264static void gmc_v7_0_mc_program(struct amdgpu_device *adev)
265{
266 struct amdgpu_mode_mc_save save;
267 u32 tmp;
268 int i, j;
269
270 /* Initialize HDP */
271 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
272 WREG32((0xb05 + j), 0x00000000);
273 WREG32((0xb06 + j), 0x00000000);
274 WREG32((0xb07 + j), 0x00000000);
275 WREG32((0xb08 + j), 0x00000000);
276 WREG32((0xb09 + j), 0x00000000);
277 }
278 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
279
280 if (adev->mode_info.num_crtc)
281 amdgpu_display_set_vga_render_state(adev, false);
282
283 gmc_v7_0_mc_stop(adev, &save);
284 if (gmc_v7_0_wait_for_idle((void *)adev)) {
285 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
286 }
287 /* Update configuration */
288 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
289 adev->mc.vram_start >> 12);
290 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
291 adev->mc.vram_end >> 12);
292 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
293 adev->vram_scratch.gpu_addr >> 12);
294 tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16;
295 tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF);
296 WREG32(mmMC_VM_FB_LOCATION, tmp);
297 /* XXX double check these! */
298 WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8));
299 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
300 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
301 WREG32(mmMC_VM_AGP_BASE, 0);
302 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
303 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
304 if (gmc_v7_0_wait_for_idle((void *)adev)) {
305 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
306 }
307 gmc_v7_0_mc_resume(adev, &save);
308
309 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
310
311 tmp = RREG32(mmHDP_MISC_CNTL);
312 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
313 WREG32(mmHDP_MISC_CNTL, tmp);
314
315 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
316 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
317}
318
319/**
320 * gmc_v7_0_mc_init - initialize the memory controller driver params
321 *
322 * @adev: amdgpu_device pointer
323 *
324 * Look up the amount of vram, vram width, and decide how to place
325 * vram and gart within the GPU's physical address space (CIK).
326 * Returns 0 for success.
327 */
328static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
329{
330 u32 tmp;
331 int chansize, numchan;
332
333 /* Get VRAM informations */
334 tmp = RREG32(mmMC_ARB_RAMCFG);
335 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) {
336 chansize = 64;
337 } else {
338 chansize = 32;
339 }
340 tmp = RREG32(mmMC_SHARED_CHMAP);
341 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
342 case 0:
343 default:
344 numchan = 1;
345 break;
346 case 1:
347 numchan = 2;
348 break;
349 case 2:
350 numchan = 4;
351 break;
352 case 3:
353 numchan = 8;
354 break;
355 case 4:
356 numchan = 3;
357 break;
358 case 5:
359 numchan = 6;
360 break;
361 case 6:
362 numchan = 10;
363 break;
364 case 7:
365 numchan = 12;
366 break;
367 case 8:
368 numchan = 16;
369 break;
370 }
371 adev->mc.vram_width = numchan * chansize;
372 /* Could aper size report 0 ? */
373 adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
374 adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
375 /* size in MB on si */
376 adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
377 adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
378 adev->mc.visible_vram_size = adev->mc.aper_size;
379
380 /* In case the PCI BAR is larger than the actual amount of vram */
381 if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
382 adev->mc.visible_vram_size = adev->mc.real_vram_size;
383
384 /* unless the user had overridden it, set the gart
385 * size equal to the 1024 or vram, whichever is larger.
386 */
387 if (amdgpu_gart_size == -1)
388 adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
389 else
390 adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
391
392 gmc_v7_0_vram_gtt_location(adev, &adev->mc);
393
394 return 0;
395}
396
397/*
398 * GART
399 * VMID 0 is the physical GPU addresses as used by the kernel.
400 * VMIDs 1-15 are used for userspace clients and are handled
401 * by the amdgpu vm/hsa code.
402 */
403
404/**
405 * gmc_v7_0_gart_flush_gpu_tlb - gart tlb flush callback
406 *
407 * @adev: amdgpu_device pointer
408 * @vmid: vm instance to flush
409 *
410 * Flush the TLB for the requested page table (CIK).
411 */
412static void gmc_v7_0_gart_flush_gpu_tlb(struct amdgpu_device *adev,
413 uint32_t vmid)
414{
415 /* flush hdp cache */
416 WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0);
417
418 /* bits 0-15 are the VM contexts0-15 */
419 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
420}
421
422/**
423 * gmc_v7_0_gart_set_pte_pde - update the page tables using MMIO
424 *
425 * @adev: amdgpu_device pointer
426 * @cpu_pt_addr: cpu address of the page table
427 * @gpu_page_idx: entry in the page table to update
428 * @addr: dst addr to write into pte/pde
429 * @flags: access flags
430 *
431 * Update the page tables using the CPU.
432 */
433static int gmc_v7_0_gart_set_pte_pde(struct amdgpu_device *adev,
434 void *cpu_pt_addr,
435 uint32_t gpu_page_idx,
436 uint64_t addr,
437 uint32_t flags)
438{
439 void __iomem *ptr = (void *)cpu_pt_addr;
440 uint64_t value;
441
442 value = addr & 0xFFFFFFFFFFFFF000ULL;
443 value |= flags;
444 writeq(value, ptr + (gpu_page_idx * 8));
445
446 return 0;
447}
448
449/**
450 * gmc_v8_0_set_fault_enable_default - update VM fault handling
451 *
452 * @adev: amdgpu_device pointer
453 * @value: true redirects VM faults to the default page
454 */
455static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device *adev,
456 bool value)
457{
458 u32 tmp;
459
460 tmp = RREG32(mmVM_CONTEXT1_CNTL);
461 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
462 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
463 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
464 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
465 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
466 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
467 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
468 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
469 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
470 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
471 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
472 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
473 WREG32(mmVM_CONTEXT1_CNTL, tmp);
474}
475
476/**
477 * gmc_v7_0_gart_enable - gart enable
478 *
479 * @adev: amdgpu_device pointer
480 *
481 * This sets up the TLBs, programs the page tables for VMID0,
482 * sets up the hw for VMIDs 1-15 which are allocated on
483 * demand, and sets up the global locations for the LDS, GDS,
484 * and GPUVM for FSA64 clients (CIK).
485 * Returns 0 for success, errors for failure.
486 */
487static int gmc_v7_0_gart_enable(struct amdgpu_device *adev)
488{
489 int r, i;
490 u32 tmp;
491
492 if (adev->gart.robj == NULL) {
493 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
494 return -EINVAL;
495 }
496 r = amdgpu_gart_table_vram_pin(adev);
497 if (r)
498 return r;
499 /* Setup TLB control */
500 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
501 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
502 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
503 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
504 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
505 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
506 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
507 /* Setup L2 cache */
508 tmp = RREG32(mmVM_L2_CNTL);
509 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
510 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
511 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
512 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
513 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
514 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
515 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
516 WREG32(mmVM_L2_CNTL, tmp);
517 tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
518 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
519 WREG32(mmVM_L2_CNTL2, tmp);
520 tmp = RREG32(mmVM_L2_CNTL3);
521 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
522 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4);
523 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4);
524 WREG32(mmVM_L2_CNTL3, tmp);
525 /* setup context0 */
526 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12);
527 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12);
528 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12);
529 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
530 (u32)(adev->dummy_page.addr >> 12));
531 WREG32(mmVM_CONTEXT0_CNTL2, 0);
532 tmp = RREG32(mmVM_CONTEXT0_CNTL);
533 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
534 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
535 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
536 WREG32(mmVM_CONTEXT0_CNTL, tmp);
537
538 WREG32(0x575, 0);
539 WREG32(0x576, 0);
540 WREG32(0x577, 0);
541
542 /* empty context1-15 */
543 /* FIXME start with 4G, once using 2 level pt switch to full
544 * vm size space
545 */
546 /* set vm size, must be a multiple of 4 */
547 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
548 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
549 for (i = 1; i < 16; i++) {
550 if (i < 8)
551 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
552 adev->gart.table_addr >> 12);
553 else
554 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
555 adev->gart.table_addr >> 12);
556 }
557
558 /* enable context1-15 */
559 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
560 (u32)(adev->dummy_page.addr >> 12));
561 WREG32(mmVM_CONTEXT1_CNTL2, 4);
562 tmp = RREG32(mmVM_CONTEXT1_CNTL);
563 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
564 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
565 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
566 amdgpu_vm_block_size - 9);
567 WREG32(mmVM_CONTEXT1_CNTL, tmp);
568 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
569 gmc_v7_0_set_fault_enable_default(adev, false);
570 else
571 gmc_v7_0_set_fault_enable_default(adev, true);
572
573 if (adev->asic_type == CHIP_KAVERI) {
574 tmp = RREG32(mmCHUB_CONTROL);
575 tmp &= ~BYPASS_VM;
576 WREG32(mmCHUB_CONTROL, tmp);
577 }
578
579 gmc_v7_0_gart_flush_gpu_tlb(adev, 0);
580 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
581 (unsigned)(adev->mc.gtt_size >> 20),
582 (unsigned long long)adev->gart.table_addr);
583 adev->gart.ready = true;
584 return 0;
585}
586
587static int gmc_v7_0_gart_init(struct amdgpu_device *adev)
588{
589 int r;
590
591 if (adev->gart.robj) {
592 WARN(1, "R600 PCIE GART already initialized\n");
593 return 0;
594 }
595 /* Initialize common gart structure */
596 r = amdgpu_gart_init(adev);
597 if (r)
598 return r;
599 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
600 return amdgpu_gart_table_vram_alloc(adev);
601}
602
603/**
604 * gmc_v7_0_gart_disable - gart disable
605 *
606 * @adev: amdgpu_device pointer
607 *
608 * This disables all VM page table (CIK).
609 */
610static void gmc_v7_0_gart_disable(struct amdgpu_device *adev)
611{
612 u32 tmp;
613
614 /* Disable all tables */
615 WREG32(mmVM_CONTEXT0_CNTL, 0);
616 WREG32(mmVM_CONTEXT1_CNTL, 0);
617 /* Setup TLB control */
618 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
619 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
620 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
621 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
622 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
623 /* Setup L2 cache */
624 tmp = RREG32(mmVM_L2_CNTL);
625 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
626 WREG32(mmVM_L2_CNTL, tmp);
627 WREG32(mmVM_L2_CNTL2, 0);
628 amdgpu_gart_table_vram_unpin(adev);
629}
630
631/**
632 * gmc_v7_0_gart_fini - vm fini callback
633 *
634 * @adev: amdgpu_device pointer
635 *
636 * Tears down the driver GART/VM setup (CIK).
637 */
638static void gmc_v7_0_gart_fini(struct amdgpu_device *adev)
639{
640 amdgpu_gart_table_vram_free(adev);
641 amdgpu_gart_fini(adev);
642}
643
644/*
645 * vm
646 * VMID 0 is the physical GPU addresses as used by the kernel.
647 * VMIDs 1-15 are used for userspace clients and are handled
648 * by the amdgpu vm/hsa code.
649 */
650/**
651 * gmc_v7_0_vm_init - cik vm init callback
652 *
653 * @adev: amdgpu_device pointer
654 *
655 * Inits cik specific vm parameters (number of VMs, base of vram for
656 * VMIDs 1-15) (CIK).
657 * Returns 0 for success.
658 */
659static int gmc_v7_0_vm_init(struct amdgpu_device *adev)
660{
661 /*
662 * number of VMs
663 * VMID 0 is reserved for System
664 * amdgpu graphics/compute will use VMIDs 1-7
665 * amdkfd will use VMIDs 8-15
666 */
667 adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
668 amdgpu_vm_manager_init(adev);
669
670 /* base offset of vram pages */
671 if (adev->flags & AMD_IS_APU) {
672 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
673 tmp <<= 22;
674 adev->vm_manager.vram_base_offset = tmp;
675 } else
676 adev->vm_manager.vram_base_offset = 0;
677
678 return 0;
679}
680
681/**
682 * gmc_v7_0_vm_fini - cik vm fini callback
683 *
684 * @adev: amdgpu_device pointer
685 *
686 * Tear down any asic specific VM setup (CIK).
687 */
688static void gmc_v7_0_vm_fini(struct amdgpu_device *adev)
689{
690}
691
692/**
693 * gmc_v7_0_vm_decode_fault - print human readable fault info
694 *
695 * @adev: amdgpu_device pointer
696 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
697 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
698 *
699 * Print human readable fault information (CIK).
700 */
701static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev,
702 u32 status, u32 addr, u32 mc_client)
703{
704 u32 mc_id;
705 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
706 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
707 PROTECTIONS);
708 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
709 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
710
711 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
712 MEMORY_CLIENT_ID);
713
714 dev_err(adev->dev, "VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
715 protections, vmid, addr,
716 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
717 MEMORY_CLIENT_RW) ?
718 "write" : "read", block, mc_client, mc_id);
719}
720
721
722static const u32 mc_cg_registers[] = {
723 mmMC_HUB_MISC_HUB_CG,
724 mmMC_HUB_MISC_SIP_CG,
725 mmMC_HUB_MISC_VM_CG,
726 mmMC_XPB_CLK_GAT,
727 mmATC_MISC_CG,
728 mmMC_CITF_MISC_WR_CG,
729 mmMC_CITF_MISC_RD_CG,
730 mmMC_CITF_MISC_VM_CG,
731 mmVM_L2_CG,
732};
733
734static const u32 mc_cg_ls_en[] = {
735 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
736 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
737 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
738 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
739 ATC_MISC_CG__MEM_LS_ENABLE_MASK,
740 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
741 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
742 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
743 VM_L2_CG__MEM_LS_ENABLE_MASK,
744};
745
746static const u32 mc_cg_en[] = {
747 MC_HUB_MISC_HUB_CG__ENABLE_MASK,
748 MC_HUB_MISC_SIP_CG__ENABLE_MASK,
749 MC_HUB_MISC_VM_CG__ENABLE_MASK,
750 MC_XPB_CLK_GAT__ENABLE_MASK,
751 ATC_MISC_CG__ENABLE_MASK,
752 MC_CITF_MISC_WR_CG__ENABLE_MASK,
753 MC_CITF_MISC_RD_CG__ENABLE_MASK,
754 MC_CITF_MISC_VM_CG__ENABLE_MASK,
755 VM_L2_CG__ENABLE_MASK,
756};
757
758static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev,
759 bool enable)
760{
761 int i;
762 u32 orig, data;
763
764 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
765 orig = data = RREG32(mc_cg_registers[i]);
766 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
767 data |= mc_cg_ls_en[i];
768 else
769 data &= ~mc_cg_ls_en[i];
770 if (data != orig)
771 WREG32(mc_cg_registers[i], data);
772 }
773}
774
775static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev,
776 bool enable)
777{
778 int i;
779 u32 orig, data;
780
781 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
782 orig = data = RREG32(mc_cg_registers[i]);
783 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
784 data |= mc_cg_en[i];
785 else
786 data &= ~mc_cg_en[i];
787 if (data != orig)
788 WREG32(mc_cg_registers[i], data);
789 }
790}
791
792static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev,
793 bool enable)
794{
795 u32 orig, data;
796
797 orig = data = RREG32_PCIE(ixPCIE_CNTL2);
798
799 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
800 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
801 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
802 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
803 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
804 } else {
805 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
806 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
807 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
808 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
809 }
810
811 if (orig != data)
812 WREG32_PCIE(ixPCIE_CNTL2, data);
813}
814
815static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev,
816 bool enable)
817{
818 u32 orig, data;
819
820 orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
821
822 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
823 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
824 else
825 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
826
827 if (orig != data)
828 WREG32(mmHDP_HOST_PATH_CNTL, data);
829}
830
831static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev,
832 bool enable)
833{
834 u32 orig, data;
835
836 orig = data = RREG32(mmHDP_MEM_POWER_LS);
837
838 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
839 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
840 else
841 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
842
843 if (orig != data)
844 WREG32(mmHDP_MEM_POWER_LS, data);
845}
846
847static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type)
848{
849 switch (mc_seq_vram_type) {
850 case MC_SEQ_MISC0__MT__GDDR1:
851 return AMDGPU_VRAM_TYPE_GDDR1;
852 case MC_SEQ_MISC0__MT__DDR2:
853 return AMDGPU_VRAM_TYPE_DDR2;
854 case MC_SEQ_MISC0__MT__GDDR3:
855 return AMDGPU_VRAM_TYPE_GDDR3;
856 case MC_SEQ_MISC0__MT__GDDR4:
857 return AMDGPU_VRAM_TYPE_GDDR4;
858 case MC_SEQ_MISC0__MT__GDDR5:
859 return AMDGPU_VRAM_TYPE_GDDR5;
860 case MC_SEQ_MISC0__MT__HBM:
861 return AMDGPU_VRAM_TYPE_HBM;
862 case MC_SEQ_MISC0__MT__DDR3:
863 return AMDGPU_VRAM_TYPE_DDR3;
864 default:
865 return AMDGPU_VRAM_TYPE_UNKNOWN;
866 }
867}
868
869static int gmc_v7_0_early_init(void *handle)
870{
871 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
872
873 gmc_v7_0_set_gart_funcs(adev);
874 gmc_v7_0_set_irq_funcs(adev);
875
876 return 0;
877}
878
879static int gmc_v7_0_late_init(void *handle)
880{
881 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
882
883 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
884 return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
885 else
886 return 0;
887}
888
889static int gmc_v7_0_sw_init(void *handle)
890{
891 int r;
892 int dma_bits;
893 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
894
895 if (adev->flags & AMD_IS_APU) {
896 adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
897 } else {
898 u32 tmp = RREG32(mmMC_SEQ_MISC0);
899 tmp &= MC_SEQ_MISC0__MT__MASK;
900 adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp);
901 }
902
903 r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault);
904 if (r)
905 return r;
906
907 r = amdgpu_irq_add_id(adev, 147, &adev->mc.vm_fault);
908 if (r)
909 return r;
910
911 /* Adjust VM size here.
912 * Currently set to 4GB ((1 << 20) 4k pages).
913 * Max GPUVM size for cayman and SI is 40 bits.
914 */
915 adev->vm_manager.max_pfn = amdgpu_vm_size << 18;
916
917 /* Set the internal MC address mask
918 * This is the max address of the GPU's
919 * internal address space.
920 */
921 adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
922
923 /* set DMA mask + need_dma32 flags.
924 * PCIE - can handle 40-bits.
925 * IGP - can handle 40-bits
926 * PCI - dma32 for legacy pci gart, 40 bits on newer asics
927 */
928 adev->need_dma32 = false;
929 dma_bits = adev->need_dma32 ? 32 : 40;
930 r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
931 if (r) {
932 adev->need_dma32 = true;
933 dma_bits = 32;
934 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
935 }
936 r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
937 if (r) {
938 pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
939 printk(KERN_WARNING "amdgpu: No coherent DMA available.\n");
940 }
941
942 r = gmc_v7_0_init_microcode(adev);
943 if (r) {
944 DRM_ERROR("Failed to load mc firmware!\n");
945 return r;
946 }
947
948 r = gmc_v7_0_mc_init(adev);
949 if (r)
950 return r;
951
952 /* Memory manager */
953 r = amdgpu_bo_init(adev);
954 if (r)
955 return r;
956
957 r = gmc_v7_0_gart_init(adev);
958 if (r)
959 return r;
960
961 if (!adev->vm_manager.enabled) {
962 r = gmc_v7_0_vm_init(adev);
963 if (r) {
964 dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
965 return r;
966 }
967 adev->vm_manager.enabled = true;
968 }
969
970 return r;
971}
972
973static int gmc_v7_0_sw_fini(void *handle)
974{
975 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
976
977 if (adev->vm_manager.enabled) {
978 amdgpu_vm_manager_fini(adev);
979 gmc_v7_0_vm_fini(adev);
980 adev->vm_manager.enabled = false;
981 }
982 gmc_v7_0_gart_fini(adev);
983 amdgpu_gem_force_release(adev);
984 amdgpu_bo_fini(adev);
985
986 return 0;
987}
988
989static int gmc_v7_0_hw_init(void *handle)
990{
991 int r;
992 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
993
994 gmc_v7_0_init_golden_registers(adev);
995
996 gmc_v7_0_mc_program(adev);
997
998 if (!(adev->flags & AMD_IS_APU)) {
999 r = gmc_v7_0_mc_load_microcode(adev);
1000 if (r) {
1001 DRM_ERROR("Failed to load MC firmware!\n");
1002 return r;
1003 }
1004 }
1005
1006 r = gmc_v7_0_gart_enable(adev);
1007 if (r)
1008 return r;
1009
1010 return r;
1011}
1012
1013static int gmc_v7_0_hw_fini(void *handle)
1014{
1015 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1016
1017 amdgpu_irq_put(adev, &adev->mc.vm_fault, 0);
1018 gmc_v7_0_gart_disable(adev);
1019
1020 return 0;
1021}
1022
1023static int gmc_v7_0_suspend(void *handle)
1024{
1025 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1026
1027 if (adev->vm_manager.enabled) {
1028 gmc_v7_0_vm_fini(adev);
1029 adev->vm_manager.enabled = false;
1030 }
1031 gmc_v7_0_hw_fini(adev);
1032
1033 return 0;
1034}
1035
1036static int gmc_v7_0_resume(void *handle)
1037{
1038 int r;
1039 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1040
1041 r = gmc_v7_0_hw_init(adev);
1042 if (r)
1043 return r;
1044
1045 if (!adev->vm_manager.enabled) {
1046 r = gmc_v7_0_vm_init(adev);
1047 if (r) {
1048 dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
1049 return r;
1050 }
1051 adev->vm_manager.enabled = true;
1052 }
1053
1054 return r;
1055}
1056
1057static bool gmc_v7_0_is_idle(void *handle)
1058{
1059 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1060 u32 tmp = RREG32(mmSRBM_STATUS);
1061
1062 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1063 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1064 return false;
1065
1066 return true;
1067}
1068
1069static int gmc_v7_0_wait_for_idle(void *handle)
1070{
1071 unsigned i;
1072 u32 tmp;
1073 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1074
1075 for (i = 0; i < adev->usec_timeout; i++) {
1076 /* read MC_STATUS */
1077 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1078 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1079 SRBM_STATUS__MCC_BUSY_MASK |
1080 SRBM_STATUS__MCD_BUSY_MASK |
1081 SRBM_STATUS__VMC_BUSY_MASK);
1082 if (!tmp)
1083 return 0;
1084 udelay(1);
1085 }
1086 return -ETIMEDOUT;
1087
1088}
1089
1090static int gmc_v7_0_soft_reset(void *handle)
1091{
1092 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1093 struct amdgpu_mode_mc_save save;
1094 u32 srbm_soft_reset = 0;
1095 u32 tmp = RREG32(mmSRBM_STATUS);
1096
1097 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1098 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1099 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1100
1101 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1102 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1103 if (!(adev->flags & AMD_IS_APU))
1104 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1105 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1106 }
1107
1108 if (srbm_soft_reset) {
1109 gmc_v7_0_mc_stop(adev, &save);
1110 if (gmc_v7_0_wait_for_idle((void *)adev)) {
1111 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1112 }
1113
1114
1115 tmp = RREG32(mmSRBM_SOFT_RESET);
1116 tmp |= srbm_soft_reset;
1117 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1118 WREG32(mmSRBM_SOFT_RESET, tmp);
1119 tmp = RREG32(mmSRBM_SOFT_RESET);
1120
1121 udelay(50);
1122
1123 tmp &= ~srbm_soft_reset;
1124 WREG32(mmSRBM_SOFT_RESET, tmp);
1125 tmp = RREG32(mmSRBM_SOFT_RESET);
1126
1127 /* Wait a little for things to settle down */
1128 udelay(50);
1129
1130 gmc_v7_0_mc_resume(adev, &save);
1131 udelay(50);
1132 }
1133
1134 return 0;
1135}
1136
1137static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1138 struct amdgpu_irq_src *src,
1139 unsigned type,
1140 enum amdgpu_interrupt_state state)
1141{
1142 u32 tmp;
1143 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1144 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1145 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1146 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1147 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1148 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1149
1150 switch (state) {
1151 case AMDGPU_IRQ_STATE_DISABLE:
1152 /* system context */
1153 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1154 tmp &= ~bits;
1155 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1156 /* VMs */
1157 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1158 tmp &= ~bits;
1159 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1160 break;
1161 case AMDGPU_IRQ_STATE_ENABLE:
1162 /* system context */
1163 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1164 tmp |= bits;
1165 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1166 /* VMs */
1167 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1168 tmp |= bits;
1169 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1170 break;
1171 default:
1172 break;
1173 }
1174
1175 return 0;
1176}
1177
1178static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev,
1179 struct amdgpu_irq_src *source,
1180 struct amdgpu_iv_entry *entry)
1181{
1182 u32 addr, status, mc_client;
1183
1184 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1185 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1186 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1187 /* reset addr and status */
1188 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1189
1190 if (!addr && !status)
1191 return 0;
1192
1193 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1194 gmc_v7_0_set_fault_enable_default(adev, false);
1195
1196 if (printk_ratelimit()) {
1197 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1198 entry->src_id, entry->src_data);
1199 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1200 addr);
1201 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1202 status);
1203 gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client);
1204 }
1205
1206 return 0;
1207}
1208
1209static int gmc_v7_0_set_clockgating_state(void *handle,
1210 enum amd_clockgating_state state)
1211{
1212 bool gate = false;
1213 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1214
1215 if (state == AMD_CG_STATE_GATE)
1216 gate = true;
1217
1218 if (!(adev->flags & AMD_IS_APU)) {
1219 gmc_v7_0_enable_mc_mgcg(adev, gate);
1220 gmc_v7_0_enable_mc_ls(adev, gate);
1221 }
1222 gmc_v7_0_enable_bif_mgls(adev, gate);
1223 gmc_v7_0_enable_hdp_mgcg(adev, gate);
1224 gmc_v7_0_enable_hdp_ls(adev, gate);
1225
1226 return 0;
1227}
1228
1229static int gmc_v7_0_set_powergating_state(void *handle,
1230 enum amd_powergating_state state)
1231{
1232 return 0;
1233}
1234
1235static const struct amd_ip_funcs gmc_v7_0_ip_funcs = {
1236 .name = "gmc_v7_0",
1237 .early_init = gmc_v7_0_early_init,
1238 .late_init = gmc_v7_0_late_init,
1239 .sw_init = gmc_v7_0_sw_init,
1240 .sw_fini = gmc_v7_0_sw_fini,
1241 .hw_init = gmc_v7_0_hw_init,
1242 .hw_fini = gmc_v7_0_hw_fini,
1243 .suspend = gmc_v7_0_suspend,
1244 .resume = gmc_v7_0_resume,
1245 .is_idle = gmc_v7_0_is_idle,
1246 .wait_for_idle = gmc_v7_0_wait_for_idle,
1247 .soft_reset = gmc_v7_0_soft_reset,
1248 .set_clockgating_state = gmc_v7_0_set_clockgating_state,
1249 .set_powergating_state = gmc_v7_0_set_powergating_state,
1250};
1251
1252static const struct amdgpu_gart_funcs gmc_v7_0_gart_funcs = {
1253 .flush_gpu_tlb = gmc_v7_0_gart_flush_gpu_tlb,
1254 .set_pte_pde = gmc_v7_0_gart_set_pte_pde,
1255};
1256
1257static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = {
1258 .set = gmc_v7_0_vm_fault_interrupt_state,
1259 .process = gmc_v7_0_process_interrupt,
1260};
1261
1262static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev)
1263{
1264 if (adev->gart.gart_funcs == NULL)
1265 adev->gart.gart_funcs = &gmc_v7_0_gart_funcs;
1266}
1267
1268static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev)
1269{
1270 adev->mc.vm_fault.num_types = 1;
1271 adev->mc.vm_fault.funcs = &gmc_v7_0_irq_funcs;
1272}
1273
1274const struct amdgpu_ip_block_version gmc_v7_0_ip_block =
1275{
1276 .type = AMD_IP_BLOCK_TYPE_GMC,
1277 .major = 7,
1278 .minor = 0,
1279 .rev = 0,
1280 .funcs = &gmc_v7_0_ip_funcs,
1281};
1282
1283const struct amdgpu_ip_block_version gmc_v7_4_ip_block =
1284{
1285 .type = AMD_IP_BLOCK_TYPE_GMC,
1286 .major = 7,
1287 .minor = 4,
1288 .rev = 0,
1289 .funcs = &gmc_v7_0_ip_funcs,
1290};