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>
25 #include <drm/drm_cache.h>
30 #include "amdgpu_ucode.h"
32 #include "bif/bif_4_1_d.h"
33 #include "bif/bif_4_1_sh_mask.h"
35 #include "gmc/gmc_7_1_d.h"
36 #include "gmc/gmc_7_1_sh_mask.h"
38 #include "oss/oss_2_0_d.h"
39 #include "oss/oss_2_0_sh_mask.h"
41 #include "dce/dce_8_0_d.h"
42 #include "dce/dce_8_0_sh_mask.h"
44 #include "amdgpu_atombios.h"
46 static void gmc_v7_0_set_gmc_funcs(struct amdgpu_device *adev);
47 static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev);
48 static int gmc_v7_0_wait_for_idle(void *handle);
50 MODULE_FIRMWARE("radeon/bonaire_mc.bin");
51 MODULE_FIRMWARE("radeon/hawaii_mc.bin");
52 MODULE_FIRMWARE("amdgpu/topaz_mc.bin");
54 static const u32 golden_settings_iceland_a11[] =
56 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
57 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
58 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
59 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
62 static const u32 iceland_mgcg_cgcg_init[] =
64 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
67 static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev)
69 switch (adev->asic_type) {
71 amdgpu_device_program_register_sequence(adev,
72 iceland_mgcg_cgcg_init,
73 ARRAY_SIZE(iceland_mgcg_cgcg_init));
74 amdgpu_device_program_register_sequence(adev,
75 golden_settings_iceland_a11,
76 ARRAY_SIZE(golden_settings_iceland_a11));
83 static void gmc_v7_0_mc_stop(struct amdgpu_device *adev)
87 gmc_v7_0_wait_for_idle((void *)adev);
89 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
90 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
91 /* Block CPU access */
92 WREG32(mmBIF_FB_EN, 0);
94 blackout = REG_SET_FIELD(blackout,
95 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
96 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
98 /* wait for the MC to settle */
102 static void gmc_v7_0_mc_resume(struct amdgpu_device *adev)
106 /* unblackout the MC */
107 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
108 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
109 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
110 /* allow CPU access */
111 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
112 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
113 WREG32(mmBIF_FB_EN, tmp);
117 * gmc_v7_0_init_microcode - load ucode images from disk
119 * @adev: amdgpu_device pointer
121 * Use the firmware interface to load the ucode images into
122 * the driver (not loaded into hw).
123 * Returns 0 on success, error on failure.
125 static int gmc_v7_0_init_microcode(struct amdgpu_device *adev)
127 const char *chip_name;
133 switch (adev->asic_type) {
135 chip_name = "bonaire";
138 chip_name = "hawaii";
150 if (adev->asic_type == CHIP_TOPAZ)
151 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
153 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
155 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev);
158 err = amdgpu_ucode_validate(adev->gmc.fw);
162 pr_err("cik_mc: Failed to load firmware \"%s\"\n", fw_name);
163 release_firmware(adev->gmc.fw);
170 * gmc_v7_0_mc_load_microcode - load MC ucode into the hw
172 * @adev: amdgpu_device pointer
174 * Load the GDDR MC ucode into the hw (CIK).
175 * Returns 0 on success, error on failure.
177 static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
179 const struct mc_firmware_header_v1_0 *hdr;
180 const __le32 *fw_data = NULL;
181 const __le32 *io_mc_regs = NULL;
183 int i, ucode_size, regs_size;
188 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
189 amdgpu_ucode_print_mc_hdr(&hdr->header);
191 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
192 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
193 io_mc_regs = (const __le32 *)
194 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
195 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
196 fw_data = (const __le32 *)
197 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
199 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
202 /* reset the engine and set to writable */
203 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
204 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
206 /* load mc io regs */
207 for (i = 0; i < regs_size; i++) {
208 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
209 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
211 /* load the MC ucode */
212 for (i = 0; i < ucode_size; i++)
213 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
215 /* put the engine back into the active state */
216 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
217 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
218 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
220 /* wait for training to complete */
221 for (i = 0; i < adev->usec_timeout; i++) {
222 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
223 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
227 for (i = 0; i < adev->usec_timeout; i++) {
228 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
229 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
238 static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev,
239 struct amdgpu_gmc *mc)
241 u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
244 amdgpu_device_vram_location(adev, &adev->gmc, base);
245 amdgpu_device_gart_location(adev, mc);
249 * gmc_v7_0_mc_program - program the GPU memory controller
251 * @adev: amdgpu_device pointer
253 * Set the location of vram, gart, and AGP in the GPU's
254 * physical address space (CIK).
256 static void gmc_v7_0_mc_program(struct amdgpu_device *adev)
262 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
263 WREG32((0xb05 + j), 0x00000000);
264 WREG32((0xb06 + j), 0x00000000);
265 WREG32((0xb07 + j), 0x00000000);
266 WREG32((0xb08 + j), 0x00000000);
267 WREG32((0xb09 + j), 0x00000000);
269 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
271 if (gmc_v7_0_wait_for_idle((void *)adev)) {
272 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
274 if (adev->mode_info.num_crtc) {
275 /* Lockout access through VGA aperture*/
276 tmp = RREG32(mmVGA_HDP_CONTROL);
277 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
278 WREG32(mmVGA_HDP_CONTROL, tmp);
280 /* disable VGA render */
281 tmp = RREG32(mmVGA_RENDER_CONTROL);
282 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
283 WREG32(mmVGA_RENDER_CONTROL, tmp);
285 /* Update configuration */
286 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
287 adev->gmc.vram_start >> 12);
288 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
289 adev->gmc.vram_end >> 12);
290 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
291 adev->vram_scratch.gpu_addr >> 12);
292 WREG32(mmMC_VM_AGP_BASE, 0);
293 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
294 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
295 if (gmc_v7_0_wait_for_idle((void *)adev)) {
296 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
299 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
301 tmp = RREG32(mmHDP_MISC_CNTL);
302 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
303 WREG32(mmHDP_MISC_CNTL, tmp);
305 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
306 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
310 * gmc_v7_0_mc_init - initialize the memory controller driver params
312 * @adev: amdgpu_device pointer
314 * Look up the amount of vram, vram width, and decide how to place
315 * vram and gart within the GPU's physical address space (CIK).
316 * Returns 0 for success.
318 static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
322 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
323 if (!adev->gmc.vram_width) {
325 int chansize, numchan;
327 /* Get VRAM informations */
328 tmp = RREG32(mmMC_ARB_RAMCFG);
329 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) {
334 tmp = RREG32(mmMC_SHARED_CHMAP);
335 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
365 adev->gmc.vram_width = numchan * chansize;
367 /* size in MB on si */
368 adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
369 adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
371 if (!(adev->flags & AMD_IS_APU)) {
372 r = amdgpu_device_resize_fb_bar(adev);
376 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
377 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
380 if (adev->flags & AMD_IS_APU) {
381 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
382 adev->gmc.aper_size = adev->gmc.real_vram_size;
386 /* In case the PCI BAR is larger than the actual amount of vram */
387 adev->gmc.visible_vram_size = adev->gmc.aper_size;
388 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
389 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
391 /* set the gart size */
392 if (amdgpu_gart_size == -1) {
393 switch (adev->asic_type) {
394 case CHIP_TOPAZ: /* no MM engines */
396 adev->gmc.gart_size = 256ULL << 20;
398 #ifdef CONFIG_DRM_AMDGPU_CIK
399 case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */
400 case CHIP_HAWAII: /* UVD, VCE do not support GPUVM */
401 case CHIP_KAVERI: /* UVD, VCE do not support GPUVM */
402 case CHIP_KABINI: /* UVD, VCE do not support GPUVM */
403 case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */
404 adev->gmc.gart_size = 1024ULL << 20;
409 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
412 gmc_v7_0_vram_gtt_location(adev, &adev->gmc);
419 * VMID 0 is the physical GPU addresses as used by the kernel.
420 * VMIDs 1-15 are used for userspace clients and are handled
421 * by the amdgpu vm/hsa code.
425 * gmc_v7_0_flush_gpu_tlb - gart tlb flush callback
427 * @adev: amdgpu_device pointer
428 * @vmid: vm instance to flush
430 * Flush the TLB for the requested page table (CIK).
432 static void gmc_v7_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid)
434 /* bits 0-15 are the VM contexts0-15 */
435 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
438 static uint64_t gmc_v7_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
439 unsigned vmid, uint64_t pd_addr)
444 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
446 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8;
447 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
449 /* bits 0-15 are the VM contexts0-15 */
450 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
455 static void gmc_v7_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
458 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
462 * gmc_v7_0_set_pte_pde - update the page tables using MMIO
464 * @adev: amdgpu_device pointer
465 * @cpu_pt_addr: cpu address of the page table
466 * @gpu_page_idx: entry in the page table to update
467 * @addr: dst addr to write into pte/pde
468 * @flags: access flags
470 * Update the page tables using the CPU.
472 static int gmc_v7_0_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr,
473 uint32_t gpu_page_idx, uint64_t addr,
476 void __iomem *ptr = (void *)cpu_pt_addr;
479 value = addr & 0xFFFFFFFFFFFFF000ULL;
481 writeq(value, ptr + (gpu_page_idx * 8));
486 static uint64_t gmc_v7_0_get_vm_pte_flags(struct amdgpu_device *adev,
489 uint64_t pte_flag = 0;
491 if (flags & AMDGPU_VM_PAGE_READABLE)
492 pte_flag |= AMDGPU_PTE_READABLE;
493 if (flags & AMDGPU_VM_PAGE_WRITEABLE)
494 pte_flag |= AMDGPU_PTE_WRITEABLE;
495 if (flags & AMDGPU_VM_PAGE_PRT)
496 pte_flag |= AMDGPU_PTE_PRT;
501 static void gmc_v7_0_get_vm_pde(struct amdgpu_device *adev, int level,
502 uint64_t *addr, uint64_t *flags)
504 BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
508 * gmc_v8_0_set_fault_enable_default - update VM fault handling
510 * @adev: amdgpu_device pointer
511 * @value: true redirects VM faults to the default page
513 static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device *adev,
518 tmp = RREG32(mmVM_CONTEXT1_CNTL);
519 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
520 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
521 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
522 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
523 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
524 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
525 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
526 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
527 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
528 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
529 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
530 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
531 WREG32(mmVM_CONTEXT1_CNTL, tmp);
535 * gmc_v7_0_set_prt - set PRT VM fault
537 * @adev: amdgpu_device pointer
538 * @enable: enable/disable VM fault handling for PRT
540 static void gmc_v7_0_set_prt(struct amdgpu_device *adev, bool enable)
544 if (enable && !adev->gmc.prt_warning) {
545 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
546 adev->gmc.prt_warning = true;
549 tmp = RREG32(mmVM_PRT_CNTL);
550 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
551 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
552 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
553 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
554 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
555 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
556 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
557 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
558 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
559 L2_CACHE_STORE_INVALID_ENTRIES, enable);
560 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
561 L1_TLB_STORE_INVALID_ENTRIES, enable);
562 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
563 MASK_PDE0_FAULT, enable);
564 WREG32(mmVM_PRT_CNTL, tmp);
567 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
568 uint32_t high = adev->vm_manager.max_pfn -
569 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
571 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
572 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
573 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
574 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
575 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
576 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
577 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
578 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
580 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
581 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
582 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
583 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
584 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
585 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
586 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
587 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
592 * gmc_v7_0_gart_enable - gart enable
594 * @adev: amdgpu_device pointer
596 * This sets up the TLBs, programs the page tables for VMID0,
597 * sets up the hw for VMIDs 1-15 which are allocated on
598 * demand, and sets up the global locations for the LDS, GDS,
599 * and GPUVM for FSA64 clients (CIK).
600 * Returns 0 for success, errors for failure.
602 static int gmc_v7_0_gart_enable(struct amdgpu_device *adev)
607 if (adev->gart.robj == NULL) {
608 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
611 r = amdgpu_gart_table_vram_pin(adev);
614 /* Setup TLB control */
615 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
616 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
617 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
618 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
619 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
620 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
621 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
623 tmp = RREG32(mmVM_L2_CNTL);
624 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
625 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
626 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
627 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
628 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
629 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
630 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
631 WREG32(mmVM_L2_CNTL, tmp);
632 tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
633 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
634 WREG32(mmVM_L2_CNTL2, tmp);
636 field = adev->vm_manager.fragment_size;
637 tmp = RREG32(mmVM_L2_CNTL3);
638 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
639 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
640 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
641 WREG32(mmVM_L2_CNTL3, tmp);
643 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
644 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
645 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12);
646 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
647 (u32)(adev->dummy_page_addr >> 12));
648 WREG32(mmVM_CONTEXT0_CNTL2, 0);
649 tmp = RREG32(mmVM_CONTEXT0_CNTL);
650 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
651 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
652 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
653 WREG32(mmVM_CONTEXT0_CNTL, tmp);
659 /* empty context1-15 */
660 /* FIXME start with 4G, once using 2 level pt switch to full
663 /* set vm size, must be a multiple of 4 */
664 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
665 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
666 for (i = 1; i < 16; i++) {
668 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
669 adev->gart.table_addr >> 12);
671 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
672 adev->gart.table_addr >> 12);
675 /* enable context1-15 */
676 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
677 (u32)(adev->dummy_page_addr >> 12));
678 WREG32(mmVM_CONTEXT1_CNTL2, 4);
679 tmp = RREG32(mmVM_CONTEXT1_CNTL);
680 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
681 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
682 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
683 adev->vm_manager.block_size - 9);
684 WREG32(mmVM_CONTEXT1_CNTL, tmp);
685 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
686 gmc_v7_0_set_fault_enable_default(adev, false);
688 gmc_v7_0_set_fault_enable_default(adev, true);
690 if (adev->asic_type == CHIP_KAVERI) {
691 tmp = RREG32(mmCHUB_CONTROL);
693 WREG32(mmCHUB_CONTROL, tmp);
696 gmc_v7_0_flush_gpu_tlb(adev, 0);
697 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
698 (unsigned)(adev->gmc.gart_size >> 20),
699 (unsigned long long)adev->gart.table_addr);
700 adev->gart.ready = true;
704 static int gmc_v7_0_gart_init(struct amdgpu_device *adev)
708 if (adev->gart.robj) {
709 WARN(1, "R600 PCIE GART already initialized\n");
712 /* Initialize common gart structure */
713 r = amdgpu_gart_init(adev);
716 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
717 adev->gart.gart_pte_flags = 0;
718 return amdgpu_gart_table_vram_alloc(adev);
722 * gmc_v7_0_gart_disable - gart disable
724 * @adev: amdgpu_device pointer
726 * This disables all VM page table (CIK).
728 static void gmc_v7_0_gart_disable(struct amdgpu_device *adev)
732 /* Disable all tables */
733 WREG32(mmVM_CONTEXT0_CNTL, 0);
734 WREG32(mmVM_CONTEXT1_CNTL, 0);
735 /* Setup TLB control */
736 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
737 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
738 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
739 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
740 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
742 tmp = RREG32(mmVM_L2_CNTL);
743 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
744 WREG32(mmVM_L2_CNTL, tmp);
745 WREG32(mmVM_L2_CNTL2, 0);
746 amdgpu_gart_table_vram_unpin(adev);
750 * gmc_v7_0_gart_fini - vm fini callback
752 * @adev: amdgpu_device pointer
754 * Tears down the driver GART/VM setup (CIK).
756 static void gmc_v7_0_gart_fini(struct amdgpu_device *adev)
758 amdgpu_gart_table_vram_free(adev);
759 amdgpu_gart_fini(adev);
763 * gmc_v7_0_vm_decode_fault - print human readable fault info
765 * @adev: amdgpu_device pointer
766 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
767 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
769 * Print human readable fault information (CIK).
771 static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev, u32 status,
772 u32 addr, u32 mc_client, unsigned pasid)
774 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
775 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
777 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
778 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
781 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
784 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
785 protections, vmid, pasid, addr,
786 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
788 "write" : "read", block, mc_client, mc_id);
792 static const u32 mc_cg_registers[] = {
793 mmMC_HUB_MISC_HUB_CG,
794 mmMC_HUB_MISC_SIP_CG,
798 mmMC_CITF_MISC_WR_CG,
799 mmMC_CITF_MISC_RD_CG,
800 mmMC_CITF_MISC_VM_CG,
804 static const u32 mc_cg_ls_en[] = {
805 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
806 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
807 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
808 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
809 ATC_MISC_CG__MEM_LS_ENABLE_MASK,
810 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
811 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
812 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
813 VM_L2_CG__MEM_LS_ENABLE_MASK,
816 static const u32 mc_cg_en[] = {
817 MC_HUB_MISC_HUB_CG__ENABLE_MASK,
818 MC_HUB_MISC_SIP_CG__ENABLE_MASK,
819 MC_HUB_MISC_VM_CG__ENABLE_MASK,
820 MC_XPB_CLK_GAT__ENABLE_MASK,
821 ATC_MISC_CG__ENABLE_MASK,
822 MC_CITF_MISC_WR_CG__ENABLE_MASK,
823 MC_CITF_MISC_RD_CG__ENABLE_MASK,
824 MC_CITF_MISC_VM_CG__ENABLE_MASK,
825 VM_L2_CG__ENABLE_MASK,
828 static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev,
834 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
835 orig = data = RREG32(mc_cg_registers[i]);
836 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
837 data |= mc_cg_ls_en[i];
839 data &= ~mc_cg_ls_en[i];
841 WREG32(mc_cg_registers[i], data);
845 static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev,
851 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
852 orig = data = RREG32(mc_cg_registers[i]);
853 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
856 data &= ~mc_cg_en[i];
858 WREG32(mc_cg_registers[i], data);
862 static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev,
867 orig = data = RREG32_PCIE(ixPCIE_CNTL2);
869 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
870 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
871 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
872 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
873 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
875 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
876 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
877 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
878 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
882 WREG32_PCIE(ixPCIE_CNTL2, data);
885 static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev,
890 orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
892 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
893 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
895 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
898 WREG32(mmHDP_HOST_PATH_CNTL, data);
901 static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev,
906 orig = data = RREG32(mmHDP_MEM_POWER_LS);
908 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
909 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
911 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
914 WREG32(mmHDP_MEM_POWER_LS, data);
917 static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type)
919 switch (mc_seq_vram_type) {
920 case MC_SEQ_MISC0__MT__GDDR1:
921 return AMDGPU_VRAM_TYPE_GDDR1;
922 case MC_SEQ_MISC0__MT__DDR2:
923 return AMDGPU_VRAM_TYPE_DDR2;
924 case MC_SEQ_MISC0__MT__GDDR3:
925 return AMDGPU_VRAM_TYPE_GDDR3;
926 case MC_SEQ_MISC0__MT__GDDR4:
927 return AMDGPU_VRAM_TYPE_GDDR4;
928 case MC_SEQ_MISC0__MT__GDDR5:
929 return AMDGPU_VRAM_TYPE_GDDR5;
930 case MC_SEQ_MISC0__MT__HBM:
931 return AMDGPU_VRAM_TYPE_HBM;
932 case MC_SEQ_MISC0__MT__DDR3:
933 return AMDGPU_VRAM_TYPE_DDR3;
935 return AMDGPU_VRAM_TYPE_UNKNOWN;
939 static int gmc_v7_0_early_init(void *handle)
941 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
943 gmc_v7_0_set_gmc_funcs(adev);
944 gmc_v7_0_set_irq_funcs(adev);
946 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
947 adev->gmc.shared_aperture_end =
948 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
949 adev->gmc.private_aperture_start =
950 adev->gmc.shared_aperture_end + 1;
951 adev->gmc.private_aperture_end =
952 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
957 static int gmc_v7_0_late_init(void *handle)
959 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
961 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
962 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
967 static int gmc_v7_0_sw_init(void *handle)
971 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
973 if (adev->flags & AMD_IS_APU) {
974 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
976 u32 tmp = RREG32(mmMC_SEQ_MISC0);
977 tmp &= MC_SEQ_MISC0__MT__MASK;
978 adev->gmc.vram_type = gmc_v7_0_convert_vram_type(tmp);
981 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 146, &adev->gmc.vm_fault);
985 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 147, &adev->gmc.vm_fault);
989 /* Adjust VM size here.
990 * Currently set to 4GB ((1 << 20) 4k pages).
991 * Max GPUVM size for cayman and SI is 40 bits.
993 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
995 /* Set the internal MC address mask
996 * This is the max address of the GPU's
997 * internal address space.
999 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
1001 adev->gmc.stolen_size = 256 * 1024;
1003 /* set DMA mask + need_dma32 flags.
1004 * PCIE - can handle 40-bits.
1005 * IGP - can handle 40-bits
1006 * PCI - dma32 for legacy pci gart, 40 bits on newer asics
1008 adev->need_dma32 = false;
1009 dma_bits = adev->need_dma32 ? 32 : 40;
1010 r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
1012 adev->need_dma32 = true;
1014 pr_warn("amdgpu: No suitable DMA available\n");
1016 r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
1018 pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
1019 pr_warn("amdgpu: No coherent DMA available\n");
1021 adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits);
1023 r = gmc_v7_0_init_microcode(adev);
1025 DRM_ERROR("Failed to load mc firmware!\n");
1029 r = gmc_v7_0_mc_init(adev);
1033 /* Memory manager */
1034 r = amdgpu_bo_init(adev);
1038 r = gmc_v7_0_gart_init(adev);
1044 * VMID 0 is reserved for System
1045 * amdgpu graphics/compute will use VMIDs 1-7
1046 * amdkfd will use VMIDs 8-15
1048 adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
1049 amdgpu_vm_manager_init(adev);
1051 /* base offset of vram pages */
1052 if (adev->flags & AMD_IS_APU) {
1053 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
1056 adev->vm_manager.vram_base_offset = tmp;
1058 adev->vm_manager.vram_base_offset = 0;
1064 static int gmc_v7_0_sw_fini(void *handle)
1066 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1068 amdgpu_gem_force_release(adev);
1069 amdgpu_vm_manager_fini(adev);
1070 gmc_v7_0_gart_fini(adev);
1071 amdgpu_bo_fini(adev);
1072 release_firmware(adev->gmc.fw);
1073 adev->gmc.fw = NULL;
1078 static int gmc_v7_0_hw_init(void *handle)
1081 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1083 gmc_v7_0_init_golden_registers(adev);
1085 gmc_v7_0_mc_program(adev);
1087 if (!(adev->flags & AMD_IS_APU)) {
1088 r = gmc_v7_0_mc_load_microcode(adev);
1090 DRM_ERROR("Failed to load MC firmware!\n");
1095 r = gmc_v7_0_gart_enable(adev);
1102 static int gmc_v7_0_hw_fini(void *handle)
1104 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1106 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1107 gmc_v7_0_gart_disable(adev);
1112 static int gmc_v7_0_suspend(void *handle)
1114 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1116 gmc_v7_0_hw_fini(adev);
1121 static int gmc_v7_0_resume(void *handle)
1124 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1126 r = gmc_v7_0_hw_init(adev);
1130 amdgpu_vmid_reset_all(adev);
1135 static bool gmc_v7_0_is_idle(void *handle)
1137 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1138 u32 tmp = RREG32(mmSRBM_STATUS);
1140 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1141 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1147 static int gmc_v7_0_wait_for_idle(void *handle)
1151 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1153 for (i = 0; i < adev->usec_timeout; i++) {
1154 /* read MC_STATUS */
1155 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1156 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1157 SRBM_STATUS__MCC_BUSY_MASK |
1158 SRBM_STATUS__MCD_BUSY_MASK |
1159 SRBM_STATUS__VMC_BUSY_MASK);
1168 static int gmc_v7_0_soft_reset(void *handle)
1170 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1171 u32 srbm_soft_reset = 0;
1172 u32 tmp = RREG32(mmSRBM_STATUS);
1174 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1175 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1176 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1178 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1179 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1180 if (!(adev->flags & AMD_IS_APU))
1181 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1182 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1185 if (srbm_soft_reset) {
1186 gmc_v7_0_mc_stop(adev);
1187 if (gmc_v7_0_wait_for_idle((void *)adev)) {
1188 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1192 tmp = RREG32(mmSRBM_SOFT_RESET);
1193 tmp |= srbm_soft_reset;
1194 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1195 WREG32(mmSRBM_SOFT_RESET, tmp);
1196 tmp = RREG32(mmSRBM_SOFT_RESET);
1200 tmp &= ~srbm_soft_reset;
1201 WREG32(mmSRBM_SOFT_RESET, tmp);
1202 tmp = RREG32(mmSRBM_SOFT_RESET);
1204 /* Wait a little for things to settle down */
1207 gmc_v7_0_mc_resume(adev);
1214 static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1215 struct amdgpu_irq_src *src,
1217 enum amdgpu_interrupt_state state)
1220 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1221 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1222 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1223 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1224 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1225 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1228 case AMDGPU_IRQ_STATE_DISABLE:
1229 /* system context */
1230 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1232 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1234 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1236 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1238 case AMDGPU_IRQ_STATE_ENABLE:
1239 /* system context */
1240 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1242 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1244 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1246 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1255 static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev,
1256 struct amdgpu_irq_src *source,
1257 struct amdgpu_iv_entry *entry)
1259 u32 addr, status, mc_client;
1261 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1262 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1263 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1264 /* reset addr and status */
1265 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1267 if (!addr && !status)
1270 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1271 gmc_v7_0_set_fault_enable_default(adev, false);
1273 if (printk_ratelimit()) {
1274 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1275 entry->src_id, entry->src_data[0]);
1276 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1278 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1280 gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client,
1287 static int gmc_v7_0_set_clockgating_state(void *handle,
1288 enum amd_clockgating_state state)
1291 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1293 if (state == AMD_CG_STATE_GATE)
1296 if (!(adev->flags & AMD_IS_APU)) {
1297 gmc_v7_0_enable_mc_mgcg(adev, gate);
1298 gmc_v7_0_enable_mc_ls(adev, gate);
1300 gmc_v7_0_enable_bif_mgls(adev, gate);
1301 gmc_v7_0_enable_hdp_mgcg(adev, gate);
1302 gmc_v7_0_enable_hdp_ls(adev, gate);
1307 static int gmc_v7_0_set_powergating_state(void *handle,
1308 enum amd_powergating_state state)
1313 static const struct amd_ip_funcs gmc_v7_0_ip_funcs = {
1315 .early_init = gmc_v7_0_early_init,
1316 .late_init = gmc_v7_0_late_init,
1317 .sw_init = gmc_v7_0_sw_init,
1318 .sw_fini = gmc_v7_0_sw_fini,
1319 .hw_init = gmc_v7_0_hw_init,
1320 .hw_fini = gmc_v7_0_hw_fini,
1321 .suspend = gmc_v7_0_suspend,
1322 .resume = gmc_v7_0_resume,
1323 .is_idle = gmc_v7_0_is_idle,
1324 .wait_for_idle = gmc_v7_0_wait_for_idle,
1325 .soft_reset = gmc_v7_0_soft_reset,
1326 .set_clockgating_state = gmc_v7_0_set_clockgating_state,
1327 .set_powergating_state = gmc_v7_0_set_powergating_state,
1330 static const struct amdgpu_gmc_funcs gmc_v7_0_gmc_funcs = {
1331 .flush_gpu_tlb = gmc_v7_0_flush_gpu_tlb,
1332 .emit_flush_gpu_tlb = gmc_v7_0_emit_flush_gpu_tlb,
1333 .emit_pasid_mapping = gmc_v7_0_emit_pasid_mapping,
1334 .set_pte_pde = gmc_v7_0_set_pte_pde,
1335 .set_prt = gmc_v7_0_set_prt,
1336 .get_vm_pte_flags = gmc_v7_0_get_vm_pte_flags,
1337 .get_vm_pde = gmc_v7_0_get_vm_pde
1340 static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = {
1341 .set = gmc_v7_0_vm_fault_interrupt_state,
1342 .process = gmc_v7_0_process_interrupt,
1345 static void gmc_v7_0_set_gmc_funcs(struct amdgpu_device *adev)
1347 if (adev->gmc.gmc_funcs == NULL)
1348 adev->gmc.gmc_funcs = &gmc_v7_0_gmc_funcs;
1351 static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev)
1353 adev->gmc.vm_fault.num_types = 1;
1354 adev->gmc.vm_fault.funcs = &gmc_v7_0_irq_funcs;
1357 const struct amdgpu_ip_block_version gmc_v7_0_ip_block =
1359 .type = AMD_IP_BLOCK_TYPE_GMC,
1363 .funcs = &gmc_v7_0_ip_funcs,
1366 const struct amdgpu_ip_block_version gmc_v7_4_ip_block =
1368 .type = AMD_IP_BLOCK_TYPE_GMC,
1372 .funcs = &gmc_v7_0_ip_funcs,