1 /*
2 * Copyright 2019 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 */
22 #include "priv.h"
23
24 #include <core/firmware.h>
25 #include <core/memory.h>
26 #include <subdev/mmu.h>
27 #include <subdev/pmu.h>
28
29 #include <nvfw/acr.h>
30 #include <nvfw/flcn.h>
31
32 int
gm20b_acr_wpr_alloc(struct nvkm_acr * acr,u32 wpr_size)33 gm20b_acr_wpr_alloc(struct nvkm_acr *acr, u32 wpr_size)
34 {
35 struct nvkm_subdev *subdev = &acr->subdev;
36
37 acr->func->wpr_check(acr, &acr->wpr_start, &acr->wpr_end);
38
39 if ((acr->wpr_end - acr->wpr_start) < wpr_size) {
40 nvkm_error(subdev, "WPR image too big for WPR!\n");
41 return -ENOSPC;
42 }
43
44 return nvkm_memory_new(subdev->device, NVKM_MEM_TARGET_INST,
45 wpr_size, 0, true, &acr->wpr);
46 }
47
48 static void
gm20b_acr_load_bld(struct nvkm_acr * acr,struct nvkm_acr_hsf * hsf)49 gm20b_acr_load_bld(struct nvkm_acr *acr, struct nvkm_acr_hsf *hsf)
50 {
51 struct flcn_bl_dmem_desc hsdesc = {
52 .ctx_dma = FALCON_DMAIDX_VIRT,
53 .code_dma_base = hsf->vma->addr >> 8,
54 .non_sec_code_off = hsf->non_sec_addr,
55 .non_sec_code_size = hsf->non_sec_size,
56 .sec_code_off = hsf->sec_addr,
57 .sec_code_size = hsf->sec_size,
58 .code_entry_point = 0,
59 .data_dma_base = (hsf->vma->addr + hsf->data_addr) >> 8,
60 .data_size = hsf->data_size,
61 };
62
63 flcn_bl_dmem_desc_dump(&acr->subdev, &hsdesc);
64
65 nvkm_falcon_load_dmem(hsf->falcon, &hsdesc, 0, sizeof(hsdesc), 0);
66 }
67
68 static int
gm20b_acr_load_load(struct nvkm_acr * acr,struct nvkm_acr_hsfw * hsfw)69 gm20b_acr_load_load(struct nvkm_acr *acr, struct nvkm_acr_hsfw *hsfw)
70 {
71 struct flcn_acr_desc *desc = (void *)&hsfw->image[hsfw->data_addr];
72
73 desc->ucode_blob_base = nvkm_memory_addr(acr->wpr);
74 desc->ucode_blob_size = nvkm_memory_size(acr->wpr);
75 flcn_acr_desc_dump(&acr->subdev, desc);
76
77 return gm200_acr_hsfw_load(acr, hsfw, &acr->subdev.device->pmu->falcon);
78 }
79
80 const struct nvkm_acr_hsf_func
81 gm20b_acr_load_0 = {
82 .load = gm20b_acr_load_load,
83 .boot = gm200_acr_load_boot,
84 .bld = gm20b_acr_load_bld,
85 };
86
87 #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
88 MODULE_FIRMWARE("nvidia/gm20b/acr/bl.bin");
89 MODULE_FIRMWARE("nvidia/gm20b/acr/ucode_load.bin");
90 #endif
91
92 static const struct nvkm_acr_hsf_fwif
93 gm20b_acr_load_fwif[] = {
94 { 0, nvkm_acr_hsfw_load, &gm20b_acr_load_0 },
95 {}
96 };
97
98 static const struct nvkm_acr_func
99 gm20b_acr = {
100 .load = gm20b_acr_load_fwif,
101 .wpr_parse = gm200_acr_wpr_parse,
102 .wpr_layout = gm200_acr_wpr_layout,
103 .wpr_alloc = gm20b_acr_wpr_alloc,
104 .wpr_build = gm200_acr_wpr_build,
105 .wpr_patch = gm200_acr_wpr_patch,
106 .wpr_check = gm200_acr_wpr_check,
107 .init = gm200_acr_init,
108 };
109
110 int
gm20b_acr_load(struct nvkm_acr * acr,int ver,const struct nvkm_acr_fwif * fwif)111 gm20b_acr_load(struct nvkm_acr *acr, int ver, const struct nvkm_acr_fwif *fwif)
112 {
113 struct nvkm_subdev *subdev = &acr->subdev;
114 const struct nvkm_acr_hsf_fwif *hsfwif;
115
116 hsfwif = nvkm_firmware_load(subdev, fwif->func->load, "AcrLoad",
117 acr, "acr/bl", "acr/ucode_load", "load");
118 if (IS_ERR(hsfwif))
119 return PTR_ERR(hsfwif);
120
121 return 0;
122 }
123
124 static const struct nvkm_acr_fwif
125 gm20b_acr_fwif[] = {
126 { 0, gm20b_acr_load, &gm20b_acr },
127 { -1, gm200_acr_nofw, &gm200_acr },
128 {}
129 };
130
131 int
gm20b_acr_new(struct nvkm_device * device,int index,struct nvkm_acr ** pacr)132 gm20b_acr_new(struct nvkm_device *device, int index, struct nvkm_acr **pacr)
133 {
134 return nvkm_acr_new_(gm20b_acr_fwif, device, index, pacr);
135 }
136