| /* |
| * Copyright 2019 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #include "priv.h" |
| |
| #include <core/falcon.h> |
| #include <core/firmware.h> |
| #include <core/memory.h> |
| #include <subdev/mc.h> |
| #include <subdev/mmu.h> |
| #include <subdev/pmu.h> |
| #include <subdev/timer.h> |
| |
| #include <nvfw/acr.h> |
| #include <nvfw/flcn.h> |
| |
| const struct nvkm_acr_func |
| gm200_acr = { |
| }; |
| |
| int |
| gm200_acr_nofw(struct nvkm_acr *acr, int ver, const struct nvkm_acr_fwif *fwif) |
| { |
| nvkm_warn(&acr->subdev, "firmware unavailable\n"); |
| return 0; |
| } |
| |
| int |
| gm200_acr_init(struct nvkm_acr *acr) |
| { |
| return nvkm_acr_hsf_boot(acr, "load"); |
| } |
| |
| void |
| gm200_acr_wpr_check(struct nvkm_acr *acr, u64 *start, u64 *limit) |
| { |
| struct nvkm_device *device = acr->subdev.device; |
| |
| nvkm_wr32(device, 0x100cd4, 2); |
| *start = (u64)(nvkm_rd32(device, 0x100cd4) & 0xffffff00) << 8; |
| nvkm_wr32(device, 0x100cd4, 3); |
| *limit = (u64)(nvkm_rd32(device, 0x100cd4) & 0xffffff00) << 8; |
| *limit = *limit + 0x20000; |
| } |
| |
| void |
| gm200_acr_wpr_patch(struct nvkm_acr *acr, s64 adjust) |
| { |
| struct nvkm_subdev *subdev = &acr->subdev; |
| struct wpr_header hdr; |
| struct lsb_header lsb; |
| struct nvkm_acr_lsf *lsfw; |
| u32 offset = 0; |
| |
| do { |
| nvkm_robj(acr->wpr, offset, &hdr, sizeof(hdr)); |
| wpr_header_dump(subdev, &hdr); |
| |
| list_for_each_entry(lsfw, &acr->lsfw, head) { |
| if (lsfw->id != hdr.falcon_id) |
| continue; |
| |
| nvkm_robj(acr->wpr, hdr.lsb_offset, &lsb, sizeof(lsb)); |
| lsb_header_dump(subdev, &lsb); |
| |
| lsfw->func->bld_patch(acr, lsb.tail.bl_data_off, adjust); |
| break; |
| } |
| offset += sizeof(hdr); |
| } while (hdr.falcon_id != WPR_HEADER_V0_FALCON_ID_INVALID); |
| } |
| |
| void |
| gm200_acr_wpr_build_lsb_tail(struct nvkm_acr_lsfw *lsfw, |
| struct lsb_header_tail *hdr) |
| { |
| hdr->ucode_off = lsfw->offset.img; |
| hdr->ucode_size = lsfw->ucode_size; |
| hdr->data_size = lsfw->data_size; |
| hdr->bl_code_size = lsfw->bootloader_size; |
| hdr->bl_imem_off = lsfw->bootloader_imem_offset; |
| hdr->bl_data_off = lsfw->offset.bld; |
| hdr->bl_data_size = lsfw->bl_data_size; |
| hdr->app_code_off = lsfw->app_start_offset + |
| lsfw->app_resident_code_offset; |
| hdr->app_code_size = lsfw->app_resident_code_size; |
| hdr->app_data_off = lsfw->app_start_offset + |
| lsfw->app_resident_data_offset; |
| hdr->app_data_size = lsfw->app_resident_data_size; |
| hdr->flags = lsfw->func->flags; |
| } |
| |
| static int |
| gm200_acr_wpr_build_lsb(struct nvkm_acr *acr, struct nvkm_acr_lsfw *lsfw) |
| { |
| struct lsb_header hdr; |
| |
| if (WARN_ON(lsfw->sig->size != sizeof(hdr.signature))) |
| return -EINVAL; |
| |
| memcpy(&hdr.signature, lsfw->sig->data, lsfw->sig->size); |
| gm200_acr_wpr_build_lsb_tail(lsfw, &hdr.tail); |
| |
| nvkm_wobj(acr->wpr, lsfw->offset.lsb, &hdr, sizeof(hdr)); |
| return 0; |
| } |
| |
| int |
| gm200_acr_wpr_build(struct nvkm_acr *acr, struct nvkm_acr_lsf *rtos) |
| { |
| struct nvkm_acr_lsfw *lsfw; |
| u32 offset = 0; |
| int ret; |
| |
| /* Fill per-LSF structures. */ |
| list_for_each_entry(lsfw, &acr->lsfw, head) { |
| struct wpr_header hdr = { |
| .falcon_id = lsfw->id, |
| .lsb_offset = lsfw->offset.lsb, |
| .bootstrap_owner = NVKM_ACR_LSF_PMU, |
| .lazy_bootstrap = rtos && lsfw->id != rtos->id, |
| .status = WPR_HEADER_V0_STATUS_COPY, |
| }; |
| |
| /* Write WPR header. */ |
| nvkm_wobj(acr->wpr, offset, &hdr, sizeof(hdr)); |
| offset += sizeof(hdr); |
| |
| /* Write LSB header. */ |
| ret = gm200_acr_wpr_build_lsb(acr, lsfw); |
| if (ret) |
| return ret; |
| |
| /* Write ucode image. */ |
| nvkm_wobj(acr->wpr, lsfw->offset.img, |
| lsfw->img.data, |
| lsfw->img.size); |
| |
| /* Write bootloader data. */ |
| lsfw->func->bld_write(acr, lsfw->offset.bld, lsfw); |
| } |
| |
| /* Finalise WPR. */ |
| nvkm_wo32(acr->wpr, offset, WPR_HEADER_V0_FALCON_ID_INVALID); |
| return 0; |
| } |
| |
| static int |
| gm200_acr_wpr_alloc(struct nvkm_acr *acr, u32 wpr_size) |
| { |
| int ret = nvkm_memory_new(acr->subdev.device, NVKM_MEM_TARGET_INST, |
| ALIGN(wpr_size, 0x40000), 0x40000, true, |
| &acr->wpr); |
| if (ret) |
| return ret; |
| |
| acr->wpr_start = nvkm_memory_addr(acr->wpr); |
| acr->wpr_end = acr->wpr_start + nvkm_memory_size(acr->wpr); |
| return 0; |
| } |
| |
| u32 |
| gm200_acr_wpr_layout(struct nvkm_acr *acr) |
| { |
| struct nvkm_acr_lsfw *lsfw; |
| u32 wpr = 0; |
| |
| wpr += 11 /* MAX_LSF */ * sizeof(struct wpr_header); |
| |
| list_for_each_entry(lsfw, &acr->lsfw, head) { |
| wpr = ALIGN(wpr, 256); |
| lsfw->offset.lsb = wpr; |
| wpr += sizeof(struct lsb_header); |
| |
| wpr = ALIGN(wpr, 4096); |
| lsfw->offset.img = wpr; |
| wpr += lsfw->img.size; |
| |
| wpr = ALIGN(wpr, 256); |
| lsfw->offset.bld = wpr; |
| lsfw->bl_data_size = ALIGN(lsfw->func->bld_size, 256); |
| wpr += lsfw->bl_data_size; |
| } |
| |
| return wpr; |
| } |
| |
| int |
| gm200_acr_wpr_parse(struct nvkm_acr *acr) |
| { |
| const struct wpr_header *hdr = (void *)acr->wpr_fw->data; |
| struct nvkm_acr_lsfw *lsfw; |
| |
| while (hdr->falcon_id != WPR_HEADER_V0_FALCON_ID_INVALID) { |
| wpr_header_dump(&acr->subdev, hdr); |
| lsfw = nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->falcon_id); |
| if (IS_ERR(lsfw)) |
| return PTR_ERR(lsfw); |
| } |
| |
| return 0; |
| } |
| |
| void |
| gm200_acr_hsfw_bld(struct nvkm_acr *acr, struct nvkm_acr_hsf *hsf) |
| { |
| struct flcn_bl_dmem_desc_v1 hsdesc = { |
| .ctx_dma = FALCON_DMAIDX_VIRT, |
| .code_dma_base = hsf->vma->addr, |
| .non_sec_code_off = hsf->non_sec_addr, |
| .non_sec_code_size = hsf->non_sec_size, |
| .sec_code_off = hsf->sec_addr, |
| .sec_code_size = hsf->sec_size, |
| .code_entry_point = 0, |
| .data_dma_base = hsf->vma->addr + hsf->data_addr, |
| .data_size = hsf->data_size, |
| }; |
| |
| flcn_bl_dmem_desc_v1_dump(&acr->subdev, &hsdesc); |
| |
| nvkm_falcon_load_dmem(hsf->falcon, &hsdesc, 0, sizeof(hsdesc), 0); |
| } |
| |
| int |
| gm200_acr_hsfw_boot(struct nvkm_acr *acr, struct nvkm_acr_hsf *hsf, |
| u32 intr_clear, u32 mbox0_ok) |
| { |
| struct nvkm_subdev *subdev = &acr->subdev; |
| struct nvkm_device *device = subdev->device; |
| struct nvkm_falcon *falcon = hsf->falcon; |
| u32 mbox0, mbox1; |
| int ret; |
| |
| /* Reset falcon. */ |
| nvkm_falcon_reset(falcon); |
| nvkm_falcon_bind_context(falcon, acr->inst); |
| |
| /* Load bootloader into IMEM. */ |
| nvkm_falcon_load_imem(falcon, hsf->imem, |
| falcon->code.limit - hsf->imem_size, |
| hsf->imem_size, |
| hsf->imem_tag, |
| 0, false); |
| |
| /* Load bootloader data into DMEM. */ |
| hsf->func->bld(acr, hsf); |
| |
| /* Boot the falcon. */ |
| nvkm_mc_intr_mask(device, falcon->owner->type, falcon->owner->inst, false); |
| |
| nvkm_falcon_wr32(falcon, 0x040, 0xdeada5a5); |
| nvkm_falcon_set_start_addr(falcon, hsf->imem_tag << 8); |
| nvkm_falcon_start(falcon); |
| ret = nvkm_falcon_wait_for_halt(falcon, 100); |
| if (ret) |
| return ret; |
| |
| /* Check for successful completion. */ |
| mbox0 = nvkm_falcon_rd32(falcon, 0x040); |
| mbox1 = nvkm_falcon_rd32(falcon, 0x044); |
| nvkm_debug(subdev, "mailbox %08x %08x\n", mbox0, mbox1); |
| if (mbox0 && mbox0 != mbox0_ok) |
| return -EIO; |
| |
| nvkm_falcon_clear_interrupt(falcon, intr_clear); |
| nvkm_mc_intr_mask(device, falcon->owner->type, falcon->owner->inst, true); |
| return ret; |
| } |
| |
| int |
| gm200_acr_hsfw_load(struct nvkm_acr *acr, struct nvkm_acr_hsfw *hsfw, |
| struct nvkm_falcon *falcon) |
| { |
| struct nvkm_subdev *subdev = &acr->subdev; |
| struct nvkm_acr_hsf *hsf; |
| int ret; |
| |
| /* Patch the appropriate signature (production/debug) into the FW |
| * image, as determined by the mode the falcon is in. |
| */ |
| ret = nvkm_falcon_get(falcon, subdev); |
| if (ret) |
| return ret; |
| |
| if (hsfw->sig.patch_loc) { |
| if (!falcon->debug) { |
| nvkm_debug(subdev, "patching production signature\n"); |
| memcpy(hsfw->image + hsfw->sig.patch_loc, |
| hsfw->sig.prod.data, |
| hsfw->sig.prod.size); |
| } else { |
| nvkm_debug(subdev, "patching debug signature\n"); |
| memcpy(hsfw->image + hsfw->sig.patch_loc, |
| hsfw->sig.dbg.data, |
| hsfw->sig.dbg.size); |
| } |
| } |
| |
| nvkm_falcon_put(falcon, subdev); |
| |
| if (!(hsf = kzalloc(sizeof(*hsf), GFP_KERNEL))) |
| return -ENOMEM; |
| hsf->func = hsfw->func; |
| hsf->name = hsfw->name; |
| list_add_tail(&hsf->head, &acr->hsf); |
| |
| hsf->imem_size = hsfw->imem_size; |
| hsf->imem_tag = hsfw->imem_tag; |
| hsf->imem = kmemdup(hsfw->imem, hsfw->imem_size, GFP_KERNEL); |
| if (!hsf->imem) |
| return -ENOMEM; |
| |
| hsf->non_sec_addr = hsfw->non_sec_addr; |
| hsf->non_sec_size = hsfw->non_sec_size; |
| hsf->sec_addr = hsfw->sec_addr; |
| hsf->sec_size = hsfw->sec_size; |
| hsf->data_addr = hsfw->data_addr; |
| hsf->data_size = hsfw->data_size; |
| |
| /* Make the FW image accessible to the HS bootloader. */ |
| ret = nvkm_memory_new(subdev->device, NVKM_MEM_TARGET_INST, |
| hsfw->image_size, 0x1000, false, &hsf->ucode); |
| if (ret) |
| return ret; |
| |
| nvkm_kmap(hsf->ucode); |
| nvkm_wobj(hsf->ucode, 0, hsfw->image, hsfw->image_size); |
| nvkm_done(hsf->ucode); |
| |
| ret = nvkm_vmm_get(acr->vmm, 12, nvkm_memory_size(hsf->ucode), |
| &hsf->vma); |
| if (ret) |
| return ret; |
| |
| ret = nvkm_memory_map(hsf->ucode, 0, acr->vmm, hsf->vma, NULL, 0); |
| if (ret) |
| return ret; |
| |
| hsf->falcon = falcon; |
| return 0; |
| } |
| |
| int |
| gm200_acr_unload_boot(struct nvkm_acr *acr, struct nvkm_acr_hsf *hsf) |
| { |
| return gm200_acr_hsfw_boot(acr, hsf, 0, 0x1d); |
| } |
| |
| int |
| gm200_acr_unload_load(struct nvkm_acr *acr, struct nvkm_acr_hsfw *hsfw) |
| { |
| return gm200_acr_hsfw_load(acr, hsfw, &acr->subdev.device->pmu->falcon); |
| } |
| |
| const struct nvkm_acr_hsf_func |
| gm200_acr_unload_0 = { |
| .load = gm200_acr_unload_load, |
| .boot = gm200_acr_unload_boot, |
| .bld = gm200_acr_hsfw_bld, |
| }; |
| |
| MODULE_FIRMWARE("nvidia/gm200/acr/ucode_unload.bin"); |
| MODULE_FIRMWARE("nvidia/gm204/acr/ucode_unload.bin"); |
| MODULE_FIRMWARE("nvidia/gm206/acr/ucode_unload.bin"); |
| MODULE_FIRMWARE("nvidia/gp100/acr/ucode_unload.bin"); |
| |
| static const struct nvkm_acr_hsf_fwif |
| gm200_acr_unload_fwif[] = { |
| { 0, nvkm_acr_hsfw_load, &gm200_acr_unload_0 }, |
| {} |
| }; |
| |
| int |
| gm200_acr_load_boot(struct nvkm_acr *acr, struct nvkm_acr_hsf *hsf) |
| { |
| return gm200_acr_hsfw_boot(acr, hsf, 0x10, 0); |
| } |
| |
| static int |
| gm200_acr_load_load(struct nvkm_acr *acr, struct nvkm_acr_hsfw *hsfw) |
| { |
| struct flcn_acr_desc *desc = (void *)&hsfw->image[hsfw->data_addr]; |
| |
| desc->wpr_region_id = 1; |
| desc->regions.no_regions = 2; |
| desc->regions.region_props[0].start_addr = acr->wpr_start >> 8; |
| desc->regions.region_props[0].end_addr = acr->wpr_end >> 8; |
| desc->regions.region_props[0].region_id = 1; |
| desc->regions.region_props[0].read_mask = 0xf; |
| desc->regions.region_props[0].write_mask = 0xc; |
| desc->regions.region_props[0].client_mask = 0x2; |
| flcn_acr_desc_dump(&acr->subdev, desc); |
| |
| return gm200_acr_hsfw_load(acr, hsfw, &acr->subdev.device->pmu->falcon); |
| } |
| |
| static const struct nvkm_acr_hsf_func |
| gm200_acr_load_0 = { |
| .load = gm200_acr_load_load, |
| .boot = gm200_acr_load_boot, |
| .bld = gm200_acr_hsfw_bld, |
| }; |
| |
| MODULE_FIRMWARE("nvidia/gm200/acr/bl.bin"); |
| MODULE_FIRMWARE("nvidia/gm200/acr/ucode_load.bin"); |
| |
| MODULE_FIRMWARE("nvidia/gm204/acr/bl.bin"); |
| MODULE_FIRMWARE("nvidia/gm204/acr/ucode_load.bin"); |
| |
| MODULE_FIRMWARE("nvidia/gm206/acr/bl.bin"); |
| MODULE_FIRMWARE("nvidia/gm206/acr/ucode_load.bin"); |
| |
| MODULE_FIRMWARE("nvidia/gp100/acr/bl.bin"); |
| MODULE_FIRMWARE("nvidia/gp100/acr/ucode_load.bin"); |
| |
| static const struct nvkm_acr_hsf_fwif |
| gm200_acr_load_fwif[] = { |
| { 0, nvkm_acr_hsfw_load, &gm200_acr_load_0 }, |
| {} |
| }; |
| |
| static const struct nvkm_acr_func |
| gm200_acr_0 = { |
| .load = gm200_acr_load_fwif, |
| .unload = gm200_acr_unload_fwif, |
| .wpr_parse = gm200_acr_wpr_parse, |
| .wpr_layout = gm200_acr_wpr_layout, |
| .wpr_alloc = gm200_acr_wpr_alloc, |
| .wpr_build = gm200_acr_wpr_build, |
| .wpr_patch = gm200_acr_wpr_patch, |
| .wpr_check = gm200_acr_wpr_check, |
| .init = gm200_acr_init, |
| .bootstrap_falcons = BIT_ULL(NVKM_ACR_LSF_FECS) | |
| BIT_ULL(NVKM_ACR_LSF_GPCCS), |
| }; |
| |
| static int |
| gm200_acr_load(struct nvkm_acr *acr, int ver, const struct nvkm_acr_fwif *fwif) |
| { |
| struct nvkm_subdev *subdev = &acr->subdev; |
| const struct nvkm_acr_hsf_fwif *hsfwif; |
| |
| hsfwif = nvkm_firmware_load(subdev, fwif->func->load, "AcrLoad", |
| acr, "acr/bl", "acr/ucode_load", "load"); |
| if (IS_ERR(hsfwif)) |
| return PTR_ERR(hsfwif); |
| |
| hsfwif = nvkm_firmware_load(subdev, fwif->func->unload, "AcrUnload", |
| acr, "acr/bl", "acr/ucode_unload", |
| "unload"); |
| if (IS_ERR(hsfwif)) |
| return PTR_ERR(hsfwif); |
| |
| return 0; |
| } |
| |
| static const struct nvkm_acr_fwif |
| gm200_acr_fwif[] = { |
| { 0, gm200_acr_load, &gm200_acr_0 }, |
| { -1, gm200_acr_nofw, &gm200_acr }, |
| {} |
| }; |
| |
| int |
| gm200_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, |
| struct nvkm_acr **pacr) |
| { |
| return nvkm_acr_new_(gm200_acr_fwif, device, type, inst, pacr); |
| } |