Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alexandre Courbot | 848 | 98.83% | 5 | 71.43% |
Gustavo A. R. Silva | 9 | 1.05% | 1 | 14.29% |
Ben Skeggs | 1 | 0.12% | 1 | 14.29% |
Total | 858 | 7 |
/* * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. * * 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 AUTHORS OR COPYRIGHT HOLDERS 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 "ls_ucode.h" #include "acr.h" #include <core/firmware.h> #include <core/msgqueue.h> #include <subdev/pmu.h> #include <engine/sec2.h> #include <subdev/mc.h> #include <subdev/timer.h> /** * acr_ls_ucode_load_msgqueue - load and prepare a ucode img for a msgqueue fw * * Load the LS microcode, desc and signature and pack them into a single * blob. */ static int acr_ls_ucode_load_msgqueue(const struct nvkm_subdev *subdev, const char *name, struct ls_ucode_img *img) { const struct firmware *image, *desc, *sig; char f[64]; int ret; snprintf(f, sizeof(f), "%s/image", name); ret = nvkm_firmware_get(subdev->device, f, &image); if (ret) return ret; img->ucode_data = kmemdup(image->data, image->size, GFP_KERNEL); nvkm_firmware_put(image); if (!img->ucode_data) return -ENOMEM; snprintf(f, sizeof(f), "%s/desc", name); ret = nvkm_firmware_get(subdev->device, f, &desc); if (ret) return ret; memcpy(&img->ucode_desc, desc->data, sizeof(img->ucode_desc)); img->ucode_size = ALIGN(img->ucode_desc.app_start_offset + img->ucode_desc.app_size, 256); nvkm_firmware_put(desc); snprintf(f, sizeof(f), "%s/sig", name); ret = nvkm_firmware_get(subdev->device, f, &sig); if (ret) return ret; img->sig_size = sig->size; img->sig = kmemdup(sig->data, sig->size, GFP_KERNEL); nvkm_firmware_put(sig); if (!img->sig) return -ENOMEM; return 0; } static int acr_ls_msgqueue_post_run(struct nvkm_msgqueue *queue, struct nvkm_falcon *falcon, u32 addr_args) { struct nvkm_device *device = falcon->owner->device; u8 buf[NVKM_MSGQUEUE_CMDLINE_SIZE]; memset(buf, 0, sizeof(buf)); nvkm_msgqueue_write_cmdline(queue, buf); nvkm_falcon_load_dmem(falcon, buf, addr_args, sizeof(buf), 0); /* rearm the queue so it will wait for the init message */ nvkm_msgqueue_reinit(queue); /* Enable interrupts */ nvkm_falcon_wr32(falcon, 0x10, 0xff); nvkm_mc_intr_mask(device, falcon->owner->index, true); /* Start LS firmware on boot falcon */ nvkm_falcon_start(falcon); return 0; } int acr_ls_ucode_load_pmu(const struct nvkm_secboot *sb, struct ls_ucode_img *img) { struct nvkm_pmu *pmu = sb->subdev.device->pmu; int ret; ret = acr_ls_ucode_load_msgqueue(&sb->subdev, "pmu", img); if (ret) return ret; /* Allocate the PMU queue corresponding to the FW version */ ret = nvkm_msgqueue_new(img->ucode_desc.app_version, pmu->falcon, sb, &pmu->queue); if (ret) return ret; return 0; } int acr_ls_pmu_post_run(const struct nvkm_acr *acr, const struct nvkm_secboot *sb) { struct nvkm_device *device = sb->subdev.device; struct nvkm_pmu *pmu = device->pmu; u32 addr_args = pmu->falcon->data.limit - NVKM_MSGQUEUE_CMDLINE_SIZE; int ret; ret = acr_ls_msgqueue_post_run(pmu->queue, pmu->falcon, addr_args); if (ret) return ret; nvkm_debug(&sb->subdev, "%s started\n", nvkm_secboot_falcon_name[acr->boot_falcon]); return 0; } int acr_ls_ucode_load_sec2(const struct nvkm_secboot *sb, struct ls_ucode_img *img) { struct nvkm_sec2 *sec = sb->subdev.device->sec2; int ret; ret = acr_ls_ucode_load_msgqueue(&sb->subdev, "sec2", img); if (ret) return ret; /* Allocate the PMU queue corresponding to the FW version */ ret = nvkm_msgqueue_new(img->ucode_desc.app_version, sec->falcon, sb, &sec->queue); if (ret) return ret; return 0; } int acr_ls_sec2_post_run(const struct nvkm_acr *acr, const struct nvkm_secboot *sb) { const struct nvkm_subdev *subdev = &sb->subdev; struct nvkm_device *device = subdev->device; struct nvkm_sec2 *sec = device->sec2; /* on SEC arguments are always at the beginning of EMEM */ const u32 addr_args = 0x01000000; u32 reg; int ret; ret = acr_ls_msgqueue_post_run(sec->queue, sec->falcon, addr_args); if (ret) return ret; /* * There is a bug where the LS firmware sometimes require to be started * twice (this happens only on SEC). Detect and workaround that * condition. * * Once started, the falcon will end up in STOPPED condition (bit 5) * if successful, or in HALT condition (bit 4) if not. */ nvkm_msec(device, 1, if ((reg = nvkm_falcon_rd32(sb->boot_falcon, 0x100) & 0x30) != 0) break; ); if (reg & BIT(4)) { nvkm_debug(subdev, "applying workaround for start bug...\n"); nvkm_falcon_start(sb->boot_falcon); nvkm_msec(subdev->device, 1, if ((reg = nvkm_rd32(subdev->device, sb->boot_falcon->addr + 0x100) & 0x30) != 0) break; ); if (reg & BIT(4)) { nvkm_error(subdev, "%s failed to start\n", nvkm_secboot_falcon_name[acr->boot_falcon]); return -EINVAL; } } nvkm_debug(&sb->subdev, "%s started\n", nvkm_secboot_falcon_name[acr->boot_falcon]); return 0; }
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