diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c new file mode 100644 index 000000000..44e39f574 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c @@ -0,0 +1,350 @@ +/* + * Copyright (c) 2017, 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 "priv.h" + +#include <core/memory.h> +#include <subdev/acr.h> +#include <subdev/timer.h> + +#include <nvfw/flcn.h> +#include <nvfw/sec2.h> + +int +gp102_sec2_nofw(struct nvkm_sec2 *sec2, int ver, + const struct nvkm_sec2_fwif *fwif) +{ + nvkm_warn(&sec2->engine.subdev, "firmware unavailable\n"); + return 0; +} + +static int +gp102_sec2_acr_bootstrap_falcon_callback(void *priv, struct nvfw_falcon_msg *hdr) +{ + struct nv_sec2_acr_bootstrap_falcon_msg *msg = + container_of(hdr, typeof(*msg), msg.hdr); + struct nvkm_subdev *subdev = priv; + const char *name = nvkm_acr_lsf_id(msg->falcon_id); + + if (msg->error_code) { + nvkm_error(subdev, "ACR_BOOTSTRAP_FALCON failed for " + "falcon %d [%s]: %08x\n", + msg->falcon_id, name, msg->error_code); + return -EINVAL; + } + + nvkm_debug(subdev, "%s booted\n", name); + return 0; +} + +static int +gp102_sec2_acr_bootstrap_falcon(struct nvkm_falcon *falcon, + enum nvkm_acr_lsf_id id) +{ + struct nvkm_sec2 *sec2 = container_of(falcon, typeof(*sec2), falcon); + struct nv_sec2_acr_bootstrap_falcon_cmd cmd = { + .cmd.hdr.unit_id = sec2->func->unit_acr, + .cmd.hdr.size = sizeof(cmd), + .cmd.cmd_type = NV_SEC2_ACR_CMD_BOOTSTRAP_FALCON, + .flags = NV_SEC2_ACR_BOOTSTRAP_FALCON_FLAGS_RESET_YES, + .falcon_id = id, + }; + + return nvkm_falcon_cmdq_send(sec2->cmdq, &cmd.cmd.hdr, + gp102_sec2_acr_bootstrap_falcon_callback, + &sec2->engine.subdev, + msecs_to_jiffies(1000)); +} + +static int +gp102_sec2_acr_boot(struct nvkm_falcon *falcon) +{ + struct nv_sec2_args args = {}; + nvkm_falcon_load_dmem(falcon, &args, + falcon->func->emem_addr, sizeof(args), 0); + nvkm_falcon_start(falcon); + return 0; +} + +static void +gp102_sec2_acr_bld_patch(struct nvkm_acr *acr, u32 bld, s64 adjust) +{ + struct loader_config_v1 hdr; + nvkm_robj(acr->wpr, bld, &hdr, sizeof(hdr)); + hdr.code_dma_base = hdr.code_dma_base + adjust; + hdr.data_dma_base = hdr.data_dma_base + adjust; + hdr.overlay_dma_base = hdr.overlay_dma_base + adjust; + nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr)); + loader_config_v1_dump(&acr->subdev, &hdr); +} + +static void +gp102_sec2_acr_bld_write(struct nvkm_acr *acr, u32 bld, + struct nvkm_acr_lsfw *lsfw) +{ + const struct loader_config_v1 hdr = { + .dma_idx = FALCON_SEC2_DMAIDX_UCODE, + .code_dma_base = lsfw->offset.img + lsfw->app_start_offset, + .code_size_total = lsfw->app_size, + .code_size_to_load = lsfw->app_resident_code_size, + .code_entry_point = lsfw->app_imem_entry, + .data_dma_base = lsfw->offset.img + lsfw->app_start_offset + + lsfw->app_resident_data_offset, + .data_size = lsfw->app_resident_data_size, + .overlay_dma_base = lsfw->offset.img + lsfw->app_start_offset, + .argc = 1, + .argv = lsfw->falcon->func->emem_addr, + }; + + nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr)); +} + +static const struct nvkm_acr_lsf_func +gp102_sec2_acr_0 = { + .bld_size = sizeof(struct loader_config_v1), + .bld_write = gp102_sec2_acr_bld_write, + .bld_patch = gp102_sec2_acr_bld_patch, + .boot = gp102_sec2_acr_boot, + .bootstrap_falcons = BIT_ULL(NVKM_ACR_LSF_FECS) | + BIT_ULL(NVKM_ACR_LSF_GPCCS) | + BIT_ULL(NVKM_ACR_LSF_SEC2), + .bootstrap_falcon = gp102_sec2_acr_bootstrap_falcon, +}; + +int +gp102_sec2_initmsg(struct nvkm_sec2 *sec2) +{ + struct nv_sec2_init_msg msg; + int ret, i; + + ret = nvkm_falcon_msgq_recv_initmsg(sec2->msgq, &msg, sizeof(msg)); + if (ret) + return ret; + + if (msg.hdr.unit_id != NV_SEC2_UNIT_INIT || + msg.msg_type != NV_SEC2_INIT_MSG_INIT) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(msg.queue_info); i++) { + if (msg.queue_info[i].id == NV_SEC2_INIT_MSG_QUEUE_ID_MSGQ) { + nvkm_falcon_msgq_init(sec2->msgq, + msg.queue_info[i].index, + msg.queue_info[i].offset, + msg.queue_info[i].size); + } else { + nvkm_falcon_cmdq_init(sec2->cmdq, + msg.queue_info[i].index, + msg.queue_info[i].offset, + msg.queue_info[i].size); + } + } + + return 0; +} + +void +gp102_sec2_intr(struct nvkm_sec2 *sec2) +{ + struct nvkm_subdev *subdev = &sec2->engine.subdev; + struct nvkm_falcon *falcon = &sec2->falcon; + u32 disp = nvkm_falcon_rd32(falcon, 0x01c); + u32 intr = nvkm_falcon_rd32(falcon, 0x008) & disp & ~(disp >> 16); + + if (intr & 0x00000040) { + schedule_work(&sec2->work); + nvkm_falcon_wr32(falcon, 0x004, 0x00000040); + intr &= ~0x00000040; + } + + if (intr) { + nvkm_error(subdev, "unhandled intr %08x\n", intr); + nvkm_falcon_wr32(falcon, 0x004, intr); + } +} + +int +gp102_sec2_flcn_enable(struct nvkm_falcon *falcon) +{ + nvkm_falcon_mask(falcon, 0x3c0, 0x00000001, 0x00000001); + udelay(10); + nvkm_falcon_mask(falcon, 0x3c0, 0x00000001, 0x00000000); + return nvkm_falcon_v1_enable(falcon); +} + +void +gp102_sec2_flcn_bind_context(struct nvkm_falcon *falcon, + struct nvkm_memory *ctx) +{ + struct nvkm_device *device = falcon->owner->device; + + nvkm_falcon_v1_bind_context(falcon, ctx); + if (!ctx) + return; + + /* Not sure if this is a WAR for a HW issue, or some additional + * programming sequence that's needed to properly complete the + * context switch we trigger above. + * + * Fixes unreliability of booting the SEC2 RTOS on Quadro P620, + * particularly when resuming from suspend. + * + * Also removes the need for an odd workaround where we needed + * to program SEC2's FALCON_CPUCTL_ALIAS_STARTCPU twice before + * the SEC2 RTOS would begin executing. + */ + nvkm_msec(device, 10, + u32 irqstat = nvkm_falcon_rd32(falcon, 0x008); + u32 flcn0dc = nvkm_falcon_rd32(falcon, 0x0dc); + if ((irqstat & 0x00000008) && + (flcn0dc & 0x00007000) == 0x00005000) + break; + ); + + nvkm_falcon_mask(falcon, 0x004, 0x00000008, 0x00000008); + nvkm_falcon_mask(falcon, 0x058, 0x00000002, 0x00000002); + + nvkm_msec(device, 10, + u32 flcn0dc = nvkm_falcon_rd32(falcon, 0x0dc); + if ((flcn0dc & 0x00007000) == 0x00000000) + break; + ); +} + +static const struct nvkm_falcon_func +gp102_sec2_flcn = { + .debug = 0x408, + .fbif = 0x600, + .load_imem = nvkm_falcon_v1_load_imem, + .load_dmem = nvkm_falcon_v1_load_dmem, + .read_dmem = nvkm_falcon_v1_read_dmem, + .emem_addr = 0x01000000, + .bind_context = gp102_sec2_flcn_bind_context, + .wait_for_halt = nvkm_falcon_v1_wait_for_halt, + .clear_interrupt = nvkm_falcon_v1_clear_interrupt, + .set_start_addr = nvkm_falcon_v1_set_start_addr, + .start = nvkm_falcon_v1_start, + .enable = gp102_sec2_flcn_enable, + .disable = nvkm_falcon_v1_disable, + .cmdq = { 0xa00, 0xa04, 8 }, + .msgq = { 0xa30, 0xa34, 8 }, +}; + +const struct nvkm_sec2_func +gp102_sec2 = { + .flcn = &gp102_sec2_flcn, + .unit_acr = NV_SEC2_UNIT_ACR, + .intr = gp102_sec2_intr, + .initmsg = gp102_sec2_initmsg, +}; + +MODULE_FIRMWARE("nvidia/gp102/sec2/desc.bin"); +MODULE_FIRMWARE("nvidia/gp102/sec2/image.bin"); +MODULE_FIRMWARE("nvidia/gp102/sec2/sig.bin"); +MODULE_FIRMWARE("nvidia/gp104/sec2/desc.bin"); +MODULE_FIRMWARE("nvidia/gp104/sec2/image.bin"); +MODULE_FIRMWARE("nvidia/gp104/sec2/sig.bin"); +MODULE_FIRMWARE("nvidia/gp106/sec2/desc.bin"); +MODULE_FIRMWARE("nvidia/gp106/sec2/image.bin"); +MODULE_FIRMWARE("nvidia/gp106/sec2/sig.bin"); +MODULE_FIRMWARE("nvidia/gp107/sec2/desc.bin"); +MODULE_FIRMWARE("nvidia/gp107/sec2/image.bin"); +MODULE_FIRMWARE("nvidia/gp107/sec2/sig.bin"); + +static void +gp102_sec2_acr_bld_patch_1(struct nvkm_acr *acr, u32 bld, s64 adjust) +{ + struct flcn_bl_dmem_desc_v2 hdr; + nvkm_robj(acr->wpr, bld, &hdr, sizeof(hdr)); + hdr.code_dma_base = hdr.code_dma_base + adjust; + hdr.data_dma_base = hdr.data_dma_base + adjust; + nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr)); + flcn_bl_dmem_desc_v2_dump(&acr->subdev, &hdr); +} + +static void +gp102_sec2_acr_bld_write_1(struct nvkm_acr *acr, u32 bld, + struct nvkm_acr_lsfw *lsfw) +{ + const struct flcn_bl_dmem_desc_v2 hdr = { + .ctx_dma = FALCON_SEC2_DMAIDX_UCODE, + .code_dma_base = lsfw->offset.img + lsfw->app_start_offset, + .non_sec_code_off = lsfw->app_resident_code_offset, + .non_sec_code_size = lsfw->app_resident_code_size, + .code_entry_point = lsfw->app_imem_entry, + .data_dma_base = lsfw->offset.img + lsfw->app_start_offset + + lsfw->app_resident_data_offset, + .data_size = lsfw->app_resident_data_size, + .argc = 1, + .argv = lsfw->falcon->func->emem_addr, + }; + + nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr)); +} + +const struct nvkm_acr_lsf_func +gp102_sec2_acr_1 = { + .bld_size = sizeof(struct flcn_bl_dmem_desc_v2), + .bld_write = gp102_sec2_acr_bld_write_1, + .bld_patch = gp102_sec2_acr_bld_patch_1, + .boot = gp102_sec2_acr_boot, + .bootstrap_falcons = BIT_ULL(NVKM_ACR_LSF_FECS) | + BIT_ULL(NVKM_ACR_LSF_GPCCS) | + BIT_ULL(NVKM_ACR_LSF_SEC2), + .bootstrap_falcon = gp102_sec2_acr_bootstrap_falcon, +}; + +int +gp102_sec2_load(struct nvkm_sec2 *sec2, int ver, + const struct nvkm_sec2_fwif *fwif) +{ + return nvkm_acr_lsfw_load_sig_image_desc_v1(&sec2->engine.subdev, + &sec2->falcon, + NVKM_ACR_LSF_SEC2, "sec2/", + ver, fwif->acr); +} + +MODULE_FIRMWARE("nvidia/gp102/sec2/desc-1.bin"); +MODULE_FIRMWARE("nvidia/gp102/sec2/image-1.bin"); +MODULE_FIRMWARE("nvidia/gp102/sec2/sig-1.bin"); +MODULE_FIRMWARE("nvidia/gp104/sec2/desc-1.bin"); +MODULE_FIRMWARE("nvidia/gp104/sec2/image-1.bin"); +MODULE_FIRMWARE("nvidia/gp104/sec2/sig-1.bin"); +MODULE_FIRMWARE("nvidia/gp106/sec2/desc-1.bin"); +MODULE_FIRMWARE("nvidia/gp106/sec2/image-1.bin"); +MODULE_FIRMWARE("nvidia/gp106/sec2/sig-1.bin"); +MODULE_FIRMWARE("nvidia/gp107/sec2/desc-1.bin"); +MODULE_FIRMWARE("nvidia/gp107/sec2/image-1.bin"); +MODULE_FIRMWARE("nvidia/gp107/sec2/sig-1.bin"); + +static const struct nvkm_sec2_fwif +gp102_sec2_fwif[] = { + { 1, gp102_sec2_load, &gp102_sec2, &gp102_sec2_acr_1 }, + { 0, gp102_sec2_load, &gp102_sec2, &gp102_sec2_acr_0 }, + { -1, gp102_sec2_nofw, &gp102_sec2 }, + {} +}; + +int +gp102_sec2_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_sec2 **psec2) +{ + return nvkm_sec2_new_(gp102_sec2_fwif, device, type, inst, 0, psec2); +} |