2 * Copyright 2014 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
23 #include <linux/firmware.h>
27 #include "amdgpu_ucode.h"
29 #include "gmc/gmc_8_1_d.h"
30 #include "gmc/gmc_8_1_sh_mask.h"
32 #include "bif/bif_5_0_d.h"
33 #include "bif/bif_5_0_sh_mask.h"
35 #include "oss/oss_3_0_d.h"
36 #include "oss/oss_3_0_sh_mask.h"
42 static void gmc_v8_0_set_gart_funcs(struct amdgpu_device *adev);
43 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev);
44 static int gmc_v8_0_wait_for_idle(void *handle);
46 MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
47 MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
48 MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
50 static const u32 golden_settings_tonga_a11[] =
52 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
53 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
54 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
55 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
56 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
57 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
58 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
61 static const u32 tonga_mgcg_cgcg_init[] =
63 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
66 static const u32 golden_settings_fiji_a10[] =
68 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
69 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
70 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
71 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
74 static const u32 fiji_mgcg_cgcg_init[] =
76 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
79 static const u32 golden_settings_polaris11_a11[] =
81 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
82 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
83 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
84 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
87 static const u32 golden_settings_polaris10_a11[] =
89 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
90 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
91 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
92 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
93 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
96 static const u32 cz_mgcg_cgcg_init[] =
98 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
101 static const u32 stoney_mgcg_cgcg_init[] =
103 mmATC_MISC_CG, 0xffffffff, 0x000c0200,
104 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
107 static const u32 golden_settings_stoney_common[] =
109 mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004,
110 mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000
113 static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
115 switch (adev->asic_type) {
117 amdgpu_program_register_sequence(adev,
119 (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
120 amdgpu_program_register_sequence(adev,
121 golden_settings_fiji_a10,
122 (const u32)ARRAY_SIZE(golden_settings_fiji_a10));
125 amdgpu_program_register_sequence(adev,
126 tonga_mgcg_cgcg_init,
127 (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
128 amdgpu_program_register_sequence(adev,
129 golden_settings_tonga_a11,
130 (const u32)ARRAY_SIZE(golden_settings_tonga_a11));
133 amdgpu_program_register_sequence(adev,
134 golden_settings_polaris11_a11,
135 (const u32)ARRAY_SIZE(golden_settings_polaris11_a11));
138 amdgpu_program_register_sequence(adev,
139 golden_settings_polaris10_a11,
140 (const u32)ARRAY_SIZE(golden_settings_polaris10_a11));
143 amdgpu_program_register_sequence(adev,
145 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
148 amdgpu_program_register_sequence(adev,
149 stoney_mgcg_cgcg_init,
150 (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init));
151 amdgpu_program_register_sequence(adev,
152 golden_settings_stoney_common,
153 (const u32)ARRAY_SIZE(golden_settings_stoney_common));
160 static void gmc_v8_0_mc_stop(struct amdgpu_device *adev,
161 struct amdgpu_mode_mc_save *save)
165 if (adev->mode_info.num_crtc)
166 amdgpu_display_stop_mc_access(adev, save);
168 gmc_v8_0_wait_for_idle(adev);
170 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
171 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
172 /* Block CPU access */
173 WREG32(mmBIF_FB_EN, 0);
174 /* blackout the MC */
175 blackout = REG_SET_FIELD(blackout,
176 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1);
177 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
179 /* wait for the MC to settle */
183 static void gmc_v8_0_mc_resume(struct amdgpu_device *adev,
184 struct amdgpu_mode_mc_save *save)
188 /* unblackout the MC */
189 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
190 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
191 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
192 /* allow CPU access */
193 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
194 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
195 WREG32(mmBIF_FB_EN, tmp);
197 if (adev->mode_info.num_crtc)
198 amdgpu_display_resume_mc_access(adev, save);
202 * gmc_v8_0_init_microcode - load ucode images from disk
204 * @adev: amdgpu_device pointer
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.
210 static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
212 const char *chip_name;
218 switch (adev->asic_type) {
223 chip_name = "polaris11";
226 chip_name = "polaris10";
235 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
236 err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
239 err = amdgpu_ucode_validate(adev->mc.fw);
244 "mc: Failed to load firmware \"%s\"\n",
246 release_firmware(adev->mc.fw);
253 * gmc_v8_0_mc_load_microcode - load MC ucode into the hw
255 * @adev: amdgpu_device pointer
257 * Load the GDDR MC ucode into the hw (CIK).
258 * Returns 0 on success, error on failure.
260 static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev)
262 const struct mc_firmware_header_v1_0 *hdr;
263 const __le32 *fw_data = NULL;
264 const __le32 *io_mc_regs = NULL;
266 int i, ucode_size, regs_size;
271 /* Skip MC ucode loading on SR-IOV capable boards.
272 * vbios does this for us in asic_init in that case.
273 * Skip MC ucode loading on VF, because hypervisor will do that
276 if (amdgpu_sriov_bios(adev))
279 hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data;
280 amdgpu_ucode_print_mc_hdr(&hdr->header);
282 adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version);
283 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
284 io_mc_regs = (const __le32 *)
285 (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
286 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
287 fw_data = (const __le32 *)
288 (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
290 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
293 /* reset the engine and set to writable */
294 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
295 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
297 /* load mc io regs */
298 for (i = 0; i < regs_size; i++) {
299 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
300 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
302 /* load the MC ucode */
303 for (i = 0; i < ucode_size; i++)
304 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
306 /* put the engine back into the active state */
307 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
308 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
309 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
311 /* wait for training to complete */
312 for (i = 0; i < adev->usec_timeout; i++) {
313 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
314 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
318 for (i = 0; i < adev->usec_timeout; i++) {
319 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
320 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
329 static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
330 struct amdgpu_mc *mc)
332 if (mc->mc_vram_size > 0xFFC0000000ULL) {
333 /* leave room for at least 1024M GTT */
334 dev_warn(adev->dev, "limiting VRAM\n");
335 mc->real_vram_size = 0xFFC0000000ULL;
336 mc->mc_vram_size = 0xFFC0000000ULL;
338 amdgpu_vram_location(adev, &adev->mc, 0);
339 adev->mc.gtt_base_align = 0;
340 amdgpu_gtt_location(adev, mc);
344 * gmc_v8_0_mc_program - program the GPU memory controller
346 * @adev: amdgpu_device pointer
348 * Set the location of vram, gart, and AGP in the GPU's
349 * physical address space (CIK).
351 static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
353 struct amdgpu_mode_mc_save save;
358 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
359 WREG32((0xb05 + j), 0x00000000);
360 WREG32((0xb06 + j), 0x00000000);
361 WREG32((0xb07 + j), 0x00000000);
362 WREG32((0xb08 + j), 0x00000000);
363 WREG32((0xb09 + j), 0x00000000);
365 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
367 if (adev->mode_info.num_crtc)
368 amdgpu_display_set_vga_render_state(adev, false);
370 gmc_v8_0_mc_stop(adev, &save);
371 if (gmc_v8_0_wait_for_idle((void *)adev)) {
372 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
374 /* Update configuration */
375 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
376 adev->mc.vram_start >> 12);
377 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
378 adev->mc.vram_end >> 12);
379 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
380 adev->vram_scratch.gpu_addr >> 12);
381 tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16;
382 tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF);
383 WREG32(mmMC_VM_FB_LOCATION, tmp);
384 /* XXX double check these! */
385 WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8));
386 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
387 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
388 WREG32(mmMC_VM_AGP_BASE, 0);
389 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
390 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
391 if (gmc_v8_0_wait_for_idle((void *)adev)) {
392 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
394 gmc_v8_0_mc_resume(adev, &save);
396 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
398 tmp = RREG32(mmHDP_MISC_CNTL);
399 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
400 WREG32(mmHDP_MISC_CNTL, tmp);
402 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
403 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
407 * gmc_v8_0_mc_init - initialize the memory controller driver params
409 * @adev: amdgpu_device pointer
411 * Look up the amount of vram, vram width, and decide how to place
412 * vram and gart within the GPU's physical address space (CIK).
413 * Returns 0 for success.
415 static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
418 int chansize, numchan;
420 /* Get VRAM informations */
421 tmp = RREG32(mmMC_ARB_RAMCFG);
422 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) {
427 tmp = RREG32(mmMC_SHARED_CHMAP);
428 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
458 adev->mc.vram_width = numchan * chansize;
459 /* Could aper size report 0 ? */
460 adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
461 adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
462 /* size in MB on si */
463 adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
464 adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
465 adev->mc.visible_vram_size = adev->mc.aper_size;
467 /* In case the PCI BAR is larger than the actual amount of vram */
468 if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
469 adev->mc.visible_vram_size = adev->mc.real_vram_size;
471 /* unless the user had overridden it, set the gart
472 * size equal to the 1024 or vram, whichever is larger.
474 if (amdgpu_gart_size == -1)
475 adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
477 adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
479 gmc_v8_0_vram_gtt_location(adev, &adev->mc);
486 * VMID 0 is the physical GPU addresses as used by the kernel.
487 * VMIDs 1-15 are used for userspace clients and are handled
488 * by the amdgpu vm/hsa code.
492 * gmc_v8_0_gart_flush_gpu_tlb - gart tlb flush callback
494 * @adev: amdgpu_device pointer
495 * @vmid: vm instance to flush
497 * Flush the TLB for the requested page table (CIK).
499 static void gmc_v8_0_gart_flush_gpu_tlb(struct amdgpu_device *adev,
502 /* flush hdp cache */
503 WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0);
505 /* bits 0-15 are the VM contexts0-15 */
506 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
510 * gmc_v8_0_gart_set_pte_pde - update the page tables using MMIO
512 * @adev: amdgpu_device pointer
513 * @cpu_pt_addr: cpu address of the page table
514 * @gpu_page_idx: entry in the page table to update
515 * @addr: dst addr to write into pte/pde
516 * @flags: access flags
518 * Update the page tables using the CPU.
520 static int gmc_v8_0_gart_set_pte_pde(struct amdgpu_device *adev,
522 uint32_t gpu_page_idx,
526 void __iomem *ptr = (void *)cpu_pt_addr;
532 * 39:12 4k physical page base address
543 * 63:59 block fragment size
545 * 39:1 physical base address of PTE
546 * bits 5:1 must be 0.
549 value = addr & 0x000000FFFFFFF000ULL;
551 writeq(value, ptr + (gpu_page_idx * 8));
557 * gmc_v8_0_set_fault_enable_default - update VM fault handling
559 * @adev: amdgpu_device pointer
560 * @value: true redirects VM faults to the default page
562 static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev,
567 tmp = RREG32(mmVM_CONTEXT1_CNTL);
568 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
569 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
570 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
571 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
572 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
573 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
574 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
575 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
576 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
577 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
578 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
579 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
580 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
581 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
582 WREG32(mmVM_CONTEXT1_CNTL, tmp);
586 * gmc_v8_0_gart_enable - gart enable
588 * @adev: amdgpu_device pointer
590 * This sets up the TLBs, programs the page tables for VMID0,
591 * sets up the hw for VMIDs 1-15 which are allocated on
592 * demand, and sets up the global locations for the LDS, GDS,
593 * and GPUVM for FSA64 clients (CIK).
594 * Returns 0 for success, errors for failure.
596 static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
601 if (adev->gart.robj == NULL) {
602 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
605 r = amdgpu_gart_table_vram_pin(adev);
608 /* Setup TLB control */
609 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
610 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
611 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
612 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
613 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
614 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
615 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
617 tmp = RREG32(mmVM_L2_CNTL);
618 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
619 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
620 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
621 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
622 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
623 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
624 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
625 WREG32(mmVM_L2_CNTL, tmp);
626 tmp = RREG32(mmVM_L2_CNTL2);
627 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
628 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
629 WREG32(mmVM_L2_CNTL2, tmp);
630 tmp = RREG32(mmVM_L2_CNTL3);
631 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
632 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4);
633 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4);
634 WREG32(mmVM_L2_CNTL3, tmp);
635 /* XXX: set to enable PTE/PDE in system memory */
636 tmp = RREG32(mmVM_L2_CNTL4);
637 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0);
638 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0);
639 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0);
640 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0);
641 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0);
642 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0);
643 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0);
644 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0);
645 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0);
646 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0);
647 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0);
648 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0);
649 WREG32(mmVM_L2_CNTL4, tmp);
651 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12);
652 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12);
653 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12);
654 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
655 (u32)(adev->dummy_page.addr >> 12));
656 WREG32(mmVM_CONTEXT0_CNTL2, 0);
657 tmp = RREG32(mmVM_CONTEXT0_CNTL);
658 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
659 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
660 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
661 WREG32(mmVM_CONTEXT0_CNTL, tmp);
663 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0);
664 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0);
665 WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0);
667 /* empty context1-15 */
668 /* FIXME start with 4G, once using 2 level pt switch to full
671 /* set vm size, must be a multiple of 4 */
672 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
673 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
674 for (i = 1; i < 16; i++) {
676 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
677 adev->gart.table_addr >> 12);
679 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
680 adev->gart.table_addr >> 12);
683 /* enable context1-15 */
684 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
685 (u32)(adev->dummy_page.addr >> 12));
686 WREG32(mmVM_CONTEXT1_CNTL2, 4);
687 tmp = RREG32(mmVM_CONTEXT1_CNTL);
688 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
689 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
690 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
691 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
692 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
693 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
694 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
695 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
696 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
697 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
698 amdgpu_vm_block_size - 9);
699 WREG32(mmVM_CONTEXT1_CNTL, tmp);
700 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
701 gmc_v8_0_set_fault_enable_default(adev, false);
703 gmc_v8_0_set_fault_enable_default(adev, true);
705 gmc_v8_0_gart_flush_gpu_tlb(adev, 0);
706 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
707 (unsigned)(adev->mc.gtt_size >> 20),
708 (unsigned long long)adev->gart.table_addr);
709 adev->gart.ready = true;
713 static int gmc_v8_0_gart_init(struct amdgpu_device *adev)
717 if (adev->gart.robj) {
718 WARN(1, "R600 PCIE GART already initialized\n");
721 /* Initialize common gart structure */
722 r = amdgpu_gart_init(adev);
725 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
726 return amdgpu_gart_table_vram_alloc(adev);
730 * gmc_v8_0_gart_disable - gart disable
732 * @adev: amdgpu_device pointer
734 * This disables all VM page table (CIK).
736 static void gmc_v8_0_gart_disable(struct amdgpu_device *adev)
740 /* Disable all tables */
741 WREG32(mmVM_CONTEXT0_CNTL, 0);
742 WREG32(mmVM_CONTEXT1_CNTL, 0);
743 /* Setup TLB control */
744 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
745 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
746 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
747 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
748 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
750 tmp = RREG32(mmVM_L2_CNTL);
751 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
752 WREG32(mmVM_L2_CNTL, tmp);
753 WREG32(mmVM_L2_CNTL2, 0);
754 amdgpu_gart_table_vram_unpin(adev);
758 * gmc_v8_0_gart_fini - vm fini callback
760 * @adev: amdgpu_device pointer
762 * Tears down the driver GART/VM setup (CIK).
764 static void gmc_v8_0_gart_fini(struct amdgpu_device *adev)
766 amdgpu_gart_table_vram_free(adev);
767 amdgpu_gart_fini(adev);
772 * VMID 0 is the physical GPU addresses as used by the kernel.
773 * VMIDs 1-15 are used for userspace clients and are handled
774 * by the amdgpu vm/hsa code.
777 * gmc_v8_0_vm_init - cik vm init callback
779 * @adev: amdgpu_device pointer
781 * Inits cik specific vm parameters (number of VMs, base of vram for
783 * Returns 0 for success.
785 static int gmc_v8_0_vm_init(struct amdgpu_device *adev)
789 * VMID 0 is reserved for System
790 * amdgpu graphics/compute will use VMIDs 1-7
791 * amdkfd will use VMIDs 8-15
793 adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
794 amdgpu_vm_manager_init(adev);
796 /* base offset of vram pages */
797 if (adev->flags & AMD_IS_APU) {
798 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
800 adev->vm_manager.vram_base_offset = tmp;
802 adev->vm_manager.vram_base_offset = 0;
808 * gmc_v8_0_vm_fini - cik vm fini callback
810 * @adev: amdgpu_device pointer
812 * Tear down any asic specific VM setup (CIK).
814 static void gmc_v8_0_vm_fini(struct amdgpu_device *adev)
819 * gmc_v8_0_vm_decode_fault - print human readable fault info
821 * @adev: amdgpu_device pointer
822 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
823 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
825 * Print human readable fault information (CIK).
827 static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev,
828 u32 status, u32 addr, u32 mc_client)
831 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
832 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
834 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
835 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
837 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
840 dev_err(adev->dev, "VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
841 protections, vmid, addr,
842 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
844 "write" : "read", block, mc_client, mc_id);
847 static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type)
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;
865 return AMDGPU_VRAM_TYPE_UNKNOWN;
869 static int gmc_v8_0_early_init(void *handle)
871 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
873 gmc_v8_0_set_gart_funcs(adev);
874 gmc_v8_0_set_irq_funcs(adev);
879 static int gmc_v8_0_late_init(void *handle)
881 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
883 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
884 return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
889 #define mmMC_SEQ_MISC0_FIJI 0xA71
891 static int gmc_v8_0_sw_init(void *handle)
895 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
897 if (adev->flags & AMD_IS_APU) {
898 adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
902 if (adev->asic_type == CHIP_FIJI)
903 tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
905 tmp = RREG32(mmMC_SEQ_MISC0);
906 tmp &= MC_SEQ_MISC0__MT__MASK;
907 adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp);
910 r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault);
914 r = amdgpu_irq_add_id(adev, 147, &adev->mc.vm_fault);
918 /* Adjust VM size here.
919 * Currently set to 4GB ((1 << 20) 4k pages).
920 * Max GPUVM size for cayman and SI is 40 bits.
922 adev->vm_manager.max_pfn = amdgpu_vm_size << 18;
924 /* Set the internal MC address mask
925 * This is the max address of the GPU's
926 * internal address space.
928 adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
930 /* set DMA mask + need_dma32 flags.
931 * PCIE - can handle 40-bits.
932 * IGP - can handle 40-bits
933 * PCI - dma32 for legacy pci gart, 40 bits on newer asics
935 adev->need_dma32 = false;
936 dma_bits = adev->need_dma32 ? 32 : 40;
937 r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
939 adev->need_dma32 = true;
941 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
943 r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
945 pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
946 printk(KERN_WARNING "amdgpu: No coherent DMA available.\n");
949 r = gmc_v8_0_init_microcode(adev);
951 DRM_ERROR("Failed to load mc firmware!\n");
955 r = gmc_v8_0_mc_init(adev);
960 r = amdgpu_bo_init(adev);
964 r = gmc_v8_0_gart_init(adev);
968 if (!adev->vm_manager.enabled) {
969 r = gmc_v8_0_vm_init(adev);
971 dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
974 adev->vm_manager.enabled = true;
980 static int gmc_v8_0_sw_fini(void *handle)
982 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
984 if (adev->vm_manager.enabled) {
985 amdgpu_vm_manager_fini(adev);
986 gmc_v8_0_vm_fini(adev);
987 adev->vm_manager.enabled = false;
989 gmc_v8_0_gart_fini(adev);
990 amdgpu_gem_force_release(adev);
991 amdgpu_bo_fini(adev);
996 static int gmc_v8_0_hw_init(void *handle)
999 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1001 gmc_v8_0_init_golden_registers(adev);
1003 gmc_v8_0_mc_program(adev);
1005 if (adev->asic_type == CHIP_TONGA) {
1006 r = gmc_v8_0_mc_load_microcode(adev);
1008 DRM_ERROR("Failed to load MC firmware!\n");
1013 r = gmc_v8_0_gart_enable(adev);
1020 static int gmc_v8_0_hw_fini(void *handle)
1022 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1024 amdgpu_irq_put(adev, &adev->mc.vm_fault, 0);
1025 gmc_v8_0_gart_disable(adev);
1030 static int gmc_v8_0_suspend(void *handle)
1032 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1034 if (adev->vm_manager.enabled) {
1035 gmc_v8_0_vm_fini(adev);
1036 adev->vm_manager.enabled = false;
1038 gmc_v8_0_hw_fini(adev);
1043 static int gmc_v8_0_resume(void *handle)
1046 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1048 r = gmc_v8_0_hw_init(adev);
1052 if (!adev->vm_manager.enabled) {
1053 r = gmc_v8_0_vm_init(adev);
1055 dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
1058 adev->vm_manager.enabled = true;
1064 static bool gmc_v8_0_is_idle(void *handle)
1066 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1067 u32 tmp = RREG32(mmSRBM_STATUS);
1069 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1070 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1076 static int gmc_v8_0_wait_for_idle(void *handle)
1080 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1082 for (i = 0; i < adev->usec_timeout; i++) {
1083 /* read MC_STATUS */
1084 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1085 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1086 SRBM_STATUS__MCC_BUSY_MASK |
1087 SRBM_STATUS__MCD_BUSY_MASK |
1088 SRBM_STATUS__VMC_BUSY_MASK |
1089 SRBM_STATUS__VMC1_BUSY_MASK);
1098 static bool gmc_v8_0_check_soft_reset(void *handle)
1100 u32 srbm_soft_reset = 0;
1101 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1102 u32 tmp = RREG32(mmSRBM_STATUS);
1104 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1105 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1106 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1108 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1109 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1110 if (!(adev->flags & AMD_IS_APU))
1111 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1112 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1114 if (srbm_soft_reset) {
1115 adev->mc.srbm_soft_reset = srbm_soft_reset;
1118 adev->mc.srbm_soft_reset = 0;
1123 static int gmc_v8_0_pre_soft_reset(void *handle)
1125 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1127 if (!adev->mc.srbm_soft_reset)
1130 gmc_v8_0_mc_stop(adev, &adev->mc.save);
1131 if (gmc_v8_0_wait_for_idle(adev)) {
1132 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1138 static int gmc_v8_0_soft_reset(void *handle)
1140 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1141 u32 srbm_soft_reset;
1143 if (!adev->mc.srbm_soft_reset)
1145 srbm_soft_reset = adev->mc.srbm_soft_reset;
1147 if (srbm_soft_reset) {
1150 tmp = RREG32(mmSRBM_SOFT_RESET);
1151 tmp |= srbm_soft_reset;
1152 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1153 WREG32(mmSRBM_SOFT_RESET, tmp);
1154 tmp = RREG32(mmSRBM_SOFT_RESET);
1158 tmp &= ~srbm_soft_reset;
1159 WREG32(mmSRBM_SOFT_RESET, tmp);
1160 tmp = RREG32(mmSRBM_SOFT_RESET);
1162 /* Wait a little for things to settle down */
1169 static int gmc_v8_0_post_soft_reset(void *handle)
1171 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1173 if (!adev->mc.srbm_soft_reset)
1176 gmc_v8_0_mc_resume(adev, &adev->mc.save);
1180 static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1181 struct amdgpu_irq_src *src,
1183 enum amdgpu_interrupt_state state)
1186 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1187 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1188 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1189 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1190 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1191 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1192 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1195 case AMDGPU_IRQ_STATE_DISABLE:
1196 /* system context */
1197 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1199 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1201 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1203 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1205 case AMDGPU_IRQ_STATE_ENABLE:
1206 /* system context */
1207 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1209 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1211 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1213 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1222 static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
1223 struct amdgpu_irq_src *source,
1224 struct amdgpu_iv_entry *entry)
1226 u32 addr, status, mc_client;
1228 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1229 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1230 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1231 /* reset addr and status */
1232 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1234 if (!addr && !status)
1237 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1238 gmc_v8_0_set_fault_enable_default(adev, false);
1240 if (printk_ratelimit()) {
1241 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1242 entry->src_id, entry->src_data);
1243 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1245 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1247 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client);
1253 static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
1258 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
1259 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1260 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1261 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1263 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1264 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1265 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1267 data = RREG32(mmMC_HUB_MISC_VM_CG);
1268 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK;
1269 WREG32(mmMC_HUB_MISC_VM_CG, data);
1271 data = RREG32(mmMC_XPB_CLK_GAT);
1272 data |= MC_XPB_CLK_GAT__ENABLE_MASK;
1273 WREG32(mmMC_XPB_CLK_GAT, data);
1275 data = RREG32(mmATC_MISC_CG);
1276 data |= ATC_MISC_CG__ENABLE_MASK;
1277 WREG32(mmATC_MISC_CG, data);
1279 data = RREG32(mmMC_CITF_MISC_WR_CG);
1280 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK;
1281 WREG32(mmMC_CITF_MISC_WR_CG, data);
1283 data = RREG32(mmMC_CITF_MISC_RD_CG);
1284 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK;
1285 WREG32(mmMC_CITF_MISC_RD_CG, data);
1287 data = RREG32(mmMC_CITF_MISC_VM_CG);
1288 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK;
1289 WREG32(mmMC_CITF_MISC_VM_CG, data);
1291 data = RREG32(mmVM_L2_CG);
1292 data |= VM_L2_CG__ENABLE_MASK;
1293 WREG32(mmVM_L2_CG, data);
1295 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1296 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1297 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1299 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1300 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1301 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1303 data = RREG32(mmMC_HUB_MISC_VM_CG);
1304 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK;
1305 WREG32(mmMC_HUB_MISC_VM_CG, data);
1307 data = RREG32(mmMC_XPB_CLK_GAT);
1308 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK;
1309 WREG32(mmMC_XPB_CLK_GAT, data);
1311 data = RREG32(mmATC_MISC_CG);
1312 data &= ~ATC_MISC_CG__ENABLE_MASK;
1313 WREG32(mmATC_MISC_CG, data);
1315 data = RREG32(mmMC_CITF_MISC_WR_CG);
1316 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK;
1317 WREG32(mmMC_CITF_MISC_WR_CG, data);
1319 data = RREG32(mmMC_CITF_MISC_RD_CG);
1320 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK;
1321 WREG32(mmMC_CITF_MISC_RD_CG, data);
1323 data = RREG32(mmMC_CITF_MISC_VM_CG);
1324 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK;
1325 WREG32(mmMC_CITF_MISC_VM_CG, data);
1327 data = RREG32(mmVM_L2_CG);
1328 data &= ~VM_L2_CG__ENABLE_MASK;
1329 WREG32(mmVM_L2_CG, data);
1333 static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
1338 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
1339 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1340 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1341 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1343 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1344 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1345 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1347 data = RREG32(mmMC_HUB_MISC_VM_CG);
1348 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1349 WREG32(mmMC_HUB_MISC_VM_CG, data);
1351 data = RREG32(mmMC_XPB_CLK_GAT);
1352 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1353 WREG32(mmMC_XPB_CLK_GAT, data);
1355 data = RREG32(mmATC_MISC_CG);
1356 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1357 WREG32(mmATC_MISC_CG, data);
1359 data = RREG32(mmMC_CITF_MISC_WR_CG);
1360 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1361 WREG32(mmMC_CITF_MISC_WR_CG, data);
1363 data = RREG32(mmMC_CITF_MISC_RD_CG);
1364 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1365 WREG32(mmMC_CITF_MISC_RD_CG, data);
1367 data = RREG32(mmMC_CITF_MISC_VM_CG);
1368 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1369 WREG32(mmMC_CITF_MISC_VM_CG, data);
1371 data = RREG32(mmVM_L2_CG);
1372 data |= VM_L2_CG__MEM_LS_ENABLE_MASK;
1373 WREG32(mmVM_L2_CG, data);
1375 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1376 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1377 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1379 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1380 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1381 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1383 data = RREG32(mmMC_HUB_MISC_VM_CG);
1384 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1385 WREG32(mmMC_HUB_MISC_VM_CG, data);
1387 data = RREG32(mmMC_XPB_CLK_GAT);
1388 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1389 WREG32(mmMC_XPB_CLK_GAT, data);
1391 data = RREG32(mmATC_MISC_CG);
1392 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1393 WREG32(mmATC_MISC_CG, data);
1395 data = RREG32(mmMC_CITF_MISC_WR_CG);
1396 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1397 WREG32(mmMC_CITF_MISC_WR_CG, data);
1399 data = RREG32(mmMC_CITF_MISC_RD_CG);
1400 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1401 WREG32(mmMC_CITF_MISC_RD_CG, data);
1403 data = RREG32(mmMC_CITF_MISC_VM_CG);
1404 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1405 WREG32(mmMC_CITF_MISC_VM_CG, data);
1407 data = RREG32(mmVM_L2_CG);
1408 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK;
1409 WREG32(mmVM_L2_CG, data);
1413 static int gmc_v8_0_set_clockgating_state(void *handle,
1414 enum amd_clockgating_state state)
1416 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1418 switch (adev->asic_type) {
1420 fiji_update_mc_medium_grain_clock_gating(adev,
1421 state == AMD_CG_STATE_GATE ? true : false);
1422 fiji_update_mc_light_sleep(adev,
1423 state == AMD_CG_STATE_GATE ? true : false);
1431 static int gmc_v8_0_set_powergating_state(void *handle,
1432 enum amd_powergating_state state)
1437 static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
1439 .early_init = gmc_v8_0_early_init,
1440 .late_init = gmc_v8_0_late_init,
1441 .sw_init = gmc_v8_0_sw_init,
1442 .sw_fini = gmc_v8_0_sw_fini,
1443 .hw_init = gmc_v8_0_hw_init,
1444 .hw_fini = gmc_v8_0_hw_fini,
1445 .suspend = gmc_v8_0_suspend,
1446 .resume = gmc_v8_0_resume,
1447 .is_idle = gmc_v8_0_is_idle,
1448 .wait_for_idle = gmc_v8_0_wait_for_idle,
1449 .check_soft_reset = gmc_v8_0_check_soft_reset,
1450 .pre_soft_reset = gmc_v8_0_pre_soft_reset,
1451 .soft_reset = gmc_v8_0_soft_reset,
1452 .post_soft_reset = gmc_v8_0_post_soft_reset,
1453 .set_clockgating_state = gmc_v8_0_set_clockgating_state,
1454 .set_powergating_state = gmc_v8_0_set_powergating_state,
1457 static const struct amdgpu_gart_funcs gmc_v8_0_gart_funcs = {
1458 .flush_gpu_tlb = gmc_v8_0_gart_flush_gpu_tlb,
1459 .set_pte_pde = gmc_v8_0_gart_set_pte_pde,
1462 static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = {
1463 .set = gmc_v8_0_vm_fault_interrupt_state,
1464 .process = gmc_v8_0_process_interrupt,
1467 static void gmc_v8_0_set_gart_funcs(struct amdgpu_device *adev)
1469 if (adev->gart.gart_funcs == NULL)
1470 adev->gart.gart_funcs = &gmc_v8_0_gart_funcs;
1473 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev)
1475 adev->mc.vm_fault.num_types = 1;
1476 adev->mc.vm_fault.funcs = &gmc_v8_0_irq_funcs;
1479 const struct amdgpu_ip_block_version gmc_v8_0_ip_block =
1481 .type = AMD_IP_BLOCK_TYPE_GMC,
1485 .funcs = &gmc_v8_0_ip_funcs,
1488 const struct amdgpu_ip_block_version gmc_v8_1_ip_block =
1490 .type = AMD_IP_BLOCK_TYPE_GMC,
1494 .funcs = &gmc_v8_0_ip_funcs,
1497 const struct amdgpu_ip_block_version gmc_v8_5_ip_block =
1499 .type = AMD_IP_BLOCK_TYPE_GMC,
1503 .funcs = &gmc_v8_0_ip_funcs,