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 <engine/sec2.h>
28
29 #include <nvfw/acr.h>
30 #include <nvfw/flcn.h>
31
32 void
gp102_acr_wpr_patch(struct nvkm_acr * acr,s64 adjust)33 gp102_acr_wpr_patch(struct nvkm_acr *acr, s64 adjust)
34 {
35 struct wpr_header_v1 hdr;
36 struct lsb_header_v1 lsb;
37 struct nvkm_acr_lsfw *lsfw;
38 u32 offset = 0;
39
40 do {
41 nvkm_robj(acr->wpr, offset, &hdr, sizeof(hdr));
42 wpr_header_v1_dump(&acr->subdev, &hdr);
43
44 list_for_each_entry(lsfw, &acr->lsfw, head) {
45 if (lsfw->id != hdr.falcon_id)
46 continue;
47
48 nvkm_robj(acr->wpr, hdr.lsb_offset, &lsb, sizeof(lsb));
49 lsb_header_v1_dump(&acr->subdev, &lsb);
50
51 lsfw->func->bld_patch(acr, lsb.tail.bl_data_off, adjust);
52 break;
53 }
54
55 offset += sizeof(hdr);
56 } while (hdr.falcon_id != WPR_HEADER_V1_FALCON_ID_INVALID);
57 }
58
59 int
gp102_acr_wpr_build_lsb(struct nvkm_acr * acr,struct nvkm_acr_lsfw * lsfw)60 gp102_acr_wpr_build_lsb(struct nvkm_acr *acr, struct nvkm_acr_lsfw *lsfw)
61 {
62 struct lsb_header_v1 hdr;
63
64 if (WARN_ON(lsfw->sig->size != sizeof(hdr.signature)))
65 return -EINVAL;
66
67 memcpy(&hdr.signature, lsfw->sig->data, lsfw->sig->size);
68 gm200_acr_wpr_build_lsb_tail(lsfw, &hdr.tail);
69
70 nvkm_wobj(acr->wpr, lsfw->offset.lsb, &hdr, sizeof(hdr));
71 return 0;
72 }
73
74 int
gp102_acr_wpr_build(struct nvkm_acr * acr,struct nvkm_acr_lsf * rtos)75 gp102_acr_wpr_build(struct nvkm_acr *acr, struct nvkm_acr_lsf *rtos)
76 {
77 struct nvkm_acr_lsfw *lsfw;
78 u32 offset = 0;
79 int ret;
80
81 /* Fill per-LSF structures. */
82 list_for_each_entry(lsfw, &acr->lsfw, head) {
83 struct lsf_signature_v1 *sig = (void *)lsfw->sig->data;
84 struct wpr_header_v1 hdr = {
85 .falcon_id = lsfw->id,
86 .lsb_offset = lsfw->offset.lsb,
87 .bootstrap_owner = NVKM_ACR_LSF_SEC2,
88 .lazy_bootstrap = rtos && lsfw->id != rtos->id,
89 .bin_version = sig->version,
90 .status = WPR_HEADER_V1_STATUS_COPY,
91 };
92
93 /* Write WPR header. */
94 nvkm_wobj(acr->wpr, offset, &hdr, sizeof(hdr));
95 offset += sizeof(hdr);
96
97 /* Write LSB header. */
98 ret = gp102_acr_wpr_build_lsb(acr, lsfw);
99 if (ret)
100 return ret;
101
102 /* Write ucode image. */
103 nvkm_wobj(acr->wpr, lsfw->offset.img,
104 lsfw->img.data,
105 lsfw->img.size);
106
107 /* Write bootloader data. */
108 lsfw->func->bld_write(acr, lsfw->offset.bld, lsfw);
109 }
110
111 /* Finalise WPR. */
112 nvkm_wo32(acr->wpr, offset, WPR_HEADER_V1_FALCON_ID_INVALID);
113 return 0;
114 }
115
116 int
gp102_acr_wpr_alloc(struct nvkm_acr * acr,u32 wpr_size)117 gp102_acr_wpr_alloc(struct nvkm_acr *acr, u32 wpr_size)
118 {
119 int ret = nvkm_memory_new(acr->subdev.device, NVKM_MEM_TARGET_INST,
120 ALIGN(wpr_size, 0x40000) << 1, 0x40000, true,
121 &acr->wpr);
122 if (ret)
123 return ret;
124
125 acr->shadow_start = nvkm_memory_addr(acr->wpr);
126 acr->wpr_start = acr->shadow_start + (nvkm_memory_size(acr->wpr) >> 1);
127 acr->wpr_end = acr->wpr_start + (nvkm_memory_size(acr->wpr) >> 1);
128 return 0;
129 }
130
131 u32
gp102_acr_wpr_layout(struct nvkm_acr * acr)132 gp102_acr_wpr_layout(struct nvkm_acr *acr)
133 {
134 struct nvkm_acr_lsfw *lsfw;
135 u32 wpr = 0;
136
137 wpr += 11 /* MAX_LSF */ * sizeof(struct wpr_header_v1);
138 wpr = ALIGN(wpr, 256);
139
140 wpr += 0x100; /* Shared sub-WPR headers. */
141
142 list_for_each_entry(lsfw, &acr->lsfw, head) {
143 wpr = ALIGN(wpr, 256);
144 lsfw->offset.lsb = wpr;
145 wpr += sizeof(struct lsb_header_v1);
146
147 wpr = ALIGN(wpr, 4096);
148 lsfw->offset.img = wpr;
149 wpr += lsfw->img.size;
150
151 wpr = ALIGN(wpr, 256);
152 lsfw->offset.bld = wpr;
153 lsfw->bl_data_size = ALIGN(lsfw->func->bld_size, 256);
154 wpr += lsfw->bl_data_size;
155 }
156
157 return wpr;
158 }
159
160 int
gp102_acr_wpr_parse(struct nvkm_acr * acr)161 gp102_acr_wpr_parse(struct nvkm_acr *acr)
162 {
163 const struct wpr_header_v1 *hdr = (void *)acr->wpr_fw->data;
164 struct nvkm_acr_lsfw *lsfw;
165
166 while (hdr->falcon_id != WPR_HEADER_V1_FALCON_ID_INVALID) {
167 wpr_header_v1_dump(&acr->subdev, hdr);
168 lsfw = nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->falcon_id);
169 if (IS_ERR(lsfw))
170 return PTR_ERR(lsfw);
171 }
172
173 return 0;
174 }
175
176 MODULE_FIRMWARE("nvidia/gp102/acr/unload_bl.bin");
177 MODULE_FIRMWARE("nvidia/gp102/acr/ucode_unload.bin");
178
179 MODULE_FIRMWARE("nvidia/gp104/acr/unload_bl.bin");
180 MODULE_FIRMWARE("nvidia/gp104/acr/ucode_unload.bin");
181
182 MODULE_FIRMWARE("nvidia/gp106/acr/unload_bl.bin");
183 MODULE_FIRMWARE("nvidia/gp106/acr/ucode_unload.bin");
184
185 MODULE_FIRMWARE("nvidia/gp107/acr/unload_bl.bin");
186 MODULE_FIRMWARE("nvidia/gp107/acr/ucode_unload.bin");
187
188 static const struct nvkm_acr_hsf_fwif
189 gp102_acr_unload_fwif[] = {
190 { 0, nvkm_acr_hsfw_load, &gm200_acr_unload_0 },
191 {}
192 };
193
194 int
gp102_acr_load_load(struct nvkm_acr * acr,struct nvkm_acr_hsfw * hsfw)195 gp102_acr_load_load(struct nvkm_acr *acr, struct nvkm_acr_hsfw *hsfw)
196 {
197 struct flcn_acr_desc_v1 *desc = (void *)&hsfw->image[hsfw->data_addr];
198
199 desc->wpr_region_id = 1;
200 desc->regions.no_regions = 2;
201 desc->regions.region_props[0].start_addr = acr->wpr_start >> 8;
202 desc->regions.region_props[0].end_addr = acr->wpr_end >> 8;
203 desc->regions.region_props[0].region_id = 1;
204 desc->regions.region_props[0].read_mask = 0xf;
205 desc->regions.region_props[0].write_mask = 0xc;
206 desc->regions.region_props[0].client_mask = 0x2;
207 desc->regions.region_props[0].shadow_mem_start_addr =
208 acr->shadow_start >> 8;
209 flcn_acr_desc_v1_dump(&acr->subdev, desc);
210
211 return gm200_acr_hsfw_load(acr, hsfw,
212 &acr->subdev.device->sec2->falcon);
213 }
214
215 static const struct nvkm_acr_hsf_func
216 gp102_acr_load_0 = {
217 .load = gp102_acr_load_load,
218 .boot = gm200_acr_load_boot,
219 .bld = gm200_acr_hsfw_bld,
220 };
221
222 MODULE_FIRMWARE("nvidia/gp102/acr/bl.bin");
223 MODULE_FIRMWARE("nvidia/gp102/acr/ucode_load.bin");
224
225 MODULE_FIRMWARE("nvidia/gp104/acr/bl.bin");
226 MODULE_FIRMWARE("nvidia/gp104/acr/ucode_load.bin");
227
228 MODULE_FIRMWARE("nvidia/gp106/acr/bl.bin");
229 MODULE_FIRMWARE("nvidia/gp106/acr/ucode_load.bin");
230
231 MODULE_FIRMWARE("nvidia/gp107/acr/bl.bin");
232 MODULE_FIRMWARE("nvidia/gp107/acr/ucode_load.bin");
233
234 static const struct nvkm_acr_hsf_fwif
235 gp102_acr_load_fwif[] = {
236 { 0, nvkm_acr_hsfw_load, &gp102_acr_load_0 },
237 {}
238 };
239
240 static const struct nvkm_acr_func
241 gp102_acr = {
242 .load = gp102_acr_load_fwif,
243 .unload = gp102_acr_unload_fwif,
244 .wpr_parse = gp102_acr_wpr_parse,
245 .wpr_layout = gp102_acr_wpr_layout,
246 .wpr_alloc = gp102_acr_wpr_alloc,
247 .wpr_build = gp102_acr_wpr_build,
248 .wpr_patch = gp102_acr_wpr_patch,
249 .wpr_check = gm200_acr_wpr_check,
250 .init = gm200_acr_init,
251 };
252
253 int
gp102_acr_load(struct nvkm_acr * acr,int ver,const struct nvkm_acr_fwif * fwif)254 gp102_acr_load(struct nvkm_acr *acr, int ver, const struct nvkm_acr_fwif *fwif)
255 {
256 struct nvkm_subdev *subdev = &acr->subdev;
257 const struct nvkm_acr_hsf_fwif *hsfwif;
258
259 hsfwif = nvkm_firmware_load(subdev, fwif->func->load, "AcrLoad",
260 acr, "acr/bl", "acr/ucode_load", "load");
261 if (IS_ERR(hsfwif))
262 return PTR_ERR(hsfwif);
263
264 hsfwif = nvkm_firmware_load(subdev, fwif->func->unload, "AcrUnload",
265 acr, "acr/unload_bl", "acr/ucode_unload",
266 "unload");
267 if (IS_ERR(hsfwif))
268 return PTR_ERR(hsfwif);
269
270 return 0;
271 }
272
273 static const struct nvkm_acr_fwif
274 gp102_acr_fwif[] = {
275 { 0, gp102_acr_load, &gp102_acr },
276 { -1, gm200_acr_nofw, &gm200_acr },
277 {}
278 };
279
280 int
gp102_acr_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_acr ** pacr)281 gp102_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
282 struct nvkm_acr **pacr)
283 {
284 return nvkm_acr_new_(gp102_acr_fwif, device, type, inst, pacr);
285 }
286