1 /*
2  * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 
23 
24 #include "acr.h"
25 #include "gm200.h"
26 
27 #include <core/gpuobj.h>
28 #include <subdev/fb.h>
29 #include <engine/falcon.h>
30 #include <subdev/mc.h>
31 
32 /**
33  * gm200_secboot_run_blob() - run the given high-secure blob
34  *
35  */
36 int
gm200_secboot_run_blob(struct nvkm_secboot * sb,struct nvkm_gpuobj * blob,struct nvkm_falcon * falcon)37 gm200_secboot_run_blob(struct nvkm_secboot *sb, struct nvkm_gpuobj *blob,
38 		       struct nvkm_falcon *falcon)
39 {
40 	struct gm200_secboot *gsb = gm200_secboot(sb);
41 	struct nvkm_subdev *subdev = &gsb->base.subdev;
42 	struct nvkm_vma *vma = NULL;
43 	u32 start_address;
44 	int ret;
45 
46 	ret = nvkm_falcon_get(falcon, subdev);
47 	if (ret)
48 		return ret;
49 
50 	/* Map the HS firmware so the HS bootloader can see it */
51 	ret = nvkm_vmm_get(gsb->vmm, 12, blob->size, &vma);
52 	if (ret) {
53 		nvkm_falcon_put(falcon, subdev);
54 		return ret;
55 	}
56 
57 	ret = nvkm_memory_map(blob, 0, gsb->vmm, vma, NULL, 0);
58 	if (ret)
59 		goto end;
60 
61 	/* Reset and set the falcon up */
62 	ret = nvkm_falcon_reset(falcon);
63 	if (ret)
64 		goto end;
65 	nvkm_falcon_bind_context(falcon, gsb->inst);
66 
67 	/* Load the HS bootloader into the falcon's IMEM/DMEM */
68 	ret = sb->acr->func->load(sb->acr, falcon, blob, vma->addr);
69 	if (ret < 0)
70 		goto end;
71 
72 	start_address = ret;
73 
74 	/* Disable interrupts as we will poll for the HALT bit */
75 	nvkm_mc_intr_mask(sb->subdev.device, falcon->owner->index, false);
76 
77 	/* Set default error value in mailbox register */
78 	nvkm_falcon_wr32(falcon, 0x040, 0xdeada5a5);
79 
80 	/* Start the HS bootloader */
81 	nvkm_falcon_set_start_addr(falcon, start_address);
82 	nvkm_falcon_start(falcon);
83 	ret = nvkm_falcon_wait_for_halt(falcon, 100);
84 	if (ret)
85 		goto end;
86 
87 	/*
88 	 * The mailbox register contains the (positive) error code - return this
89 	 * to the caller
90 	 */
91 	ret = nvkm_falcon_rd32(falcon, 0x040);
92 
93 end:
94 	/* Reenable interrupts */
95 	nvkm_mc_intr_mask(sb->subdev.device, falcon->owner->index, true);
96 
97 	/* We don't need the ACR firmware anymore */
98 	nvkm_vmm_put(gsb->vmm, &vma);
99 	nvkm_falcon_put(falcon, subdev);
100 
101 	return ret;
102 }
103 
104 int
gm200_secboot_oneinit(struct nvkm_secboot * sb)105 gm200_secboot_oneinit(struct nvkm_secboot *sb)
106 {
107 	struct gm200_secboot *gsb = gm200_secboot(sb);
108 	struct nvkm_device *device = sb->subdev.device;
109 	int ret;
110 
111 	/* Allocate instance block and VM */
112 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0, true,
113 			      &gsb->inst);
114 	if (ret)
115 		return ret;
116 
117 	ret = nvkm_vmm_new(device, 0, 600 * 1024, NULL, 0, NULL, "acr",
118 			   &gsb->vmm);
119 	if (ret)
120 		return ret;
121 
122 	atomic_inc(&gsb->vmm->engref[NVKM_SUBDEV_PMU]);
123 	gsb->vmm->debug = gsb->base.subdev.debug;
124 
125 	ret = nvkm_vmm_join(gsb->vmm, gsb->inst);
126 	if (ret)
127 		return ret;
128 
129 	if (sb->acr->func->oneinit) {
130 		ret = sb->acr->func->oneinit(sb->acr, sb);
131 		if (ret)
132 			return ret;
133 	}
134 
135 	return 0;
136 }
137 
138 int
gm200_secboot_fini(struct nvkm_secboot * sb,bool suspend)139 gm200_secboot_fini(struct nvkm_secboot *sb, bool suspend)
140 {
141 	int ret = 0;
142 
143 	if (sb->acr->func->fini)
144 		ret = sb->acr->func->fini(sb->acr, sb, suspend);
145 
146 	return ret;
147 }
148 
149 void *
gm200_secboot_dtor(struct nvkm_secboot * sb)150 gm200_secboot_dtor(struct nvkm_secboot *sb)
151 {
152 	struct gm200_secboot *gsb = gm200_secboot(sb);
153 
154 	sb->acr->func->dtor(sb->acr);
155 
156 	nvkm_vmm_part(gsb->vmm, gsb->inst);
157 	nvkm_vmm_unref(&gsb->vmm);
158 	nvkm_memory_unref(&gsb->inst);
159 
160 	return gsb;
161 }
162 
163 
164 static const struct nvkm_secboot_func
165 gm200_secboot = {
166 	.dtor = gm200_secboot_dtor,
167 	.oneinit = gm200_secboot_oneinit,
168 	.fini = gm200_secboot_fini,
169 	.run_blob = gm200_secboot_run_blob,
170 };
171 
172 int
gm200_secboot_new(struct nvkm_device * device,int index,struct nvkm_secboot ** psb)173 gm200_secboot_new(struct nvkm_device *device, int index,
174 		  struct nvkm_secboot **psb)
175 {
176 	int ret;
177 	struct gm200_secboot *gsb;
178 	struct nvkm_acr *acr;
179 
180 	acr = acr_r361_new(BIT(NVKM_SECBOOT_FALCON_FECS) |
181 			   BIT(NVKM_SECBOOT_FALCON_GPCCS));
182 	if (IS_ERR(acr))
183 		return PTR_ERR(acr);
184 
185 	gsb = kzalloc(sizeof(*gsb), GFP_KERNEL);
186 	if (!gsb) {
187 		psb = NULL;
188 		return -ENOMEM;
189 	}
190 	*psb = &gsb->base;
191 
192 	ret = nvkm_secboot_ctor(&gm200_secboot, acr, device, index, &gsb->base);
193 	if (ret)
194 		return ret;
195 
196 	return 0;
197 }
198 
199 
200 MODULE_FIRMWARE("nvidia/gm200/acr/bl.bin");
201 MODULE_FIRMWARE("nvidia/gm200/acr/ucode_load.bin");
202 MODULE_FIRMWARE("nvidia/gm200/acr/ucode_unload.bin");
203 MODULE_FIRMWARE("nvidia/gm200/gr/fecs_bl.bin");
204 MODULE_FIRMWARE("nvidia/gm200/gr/fecs_inst.bin");
205 MODULE_FIRMWARE("nvidia/gm200/gr/fecs_data.bin");
206 MODULE_FIRMWARE("nvidia/gm200/gr/fecs_sig.bin");
207 MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_bl.bin");
208 MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_inst.bin");
209 MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_data.bin");
210 MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_sig.bin");
211 MODULE_FIRMWARE("nvidia/gm200/gr/sw_ctx.bin");
212 MODULE_FIRMWARE("nvidia/gm200/gr/sw_nonctx.bin");
213 MODULE_FIRMWARE("nvidia/gm200/gr/sw_bundle_init.bin");
214 MODULE_FIRMWARE("nvidia/gm200/gr/sw_method_init.bin");
215 
216 MODULE_FIRMWARE("nvidia/gm204/acr/bl.bin");
217 MODULE_FIRMWARE("nvidia/gm204/acr/ucode_load.bin");
218 MODULE_FIRMWARE("nvidia/gm204/acr/ucode_unload.bin");
219 MODULE_FIRMWARE("nvidia/gm204/gr/fecs_bl.bin");
220 MODULE_FIRMWARE("nvidia/gm204/gr/fecs_inst.bin");
221 MODULE_FIRMWARE("nvidia/gm204/gr/fecs_data.bin");
222 MODULE_FIRMWARE("nvidia/gm204/gr/fecs_sig.bin");
223 MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_bl.bin");
224 MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_inst.bin");
225 MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_data.bin");
226 MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_sig.bin");
227 MODULE_FIRMWARE("nvidia/gm204/gr/sw_ctx.bin");
228 MODULE_FIRMWARE("nvidia/gm204/gr/sw_nonctx.bin");
229 MODULE_FIRMWARE("nvidia/gm204/gr/sw_bundle_init.bin");
230 MODULE_FIRMWARE("nvidia/gm204/gr/sw_method_init.bin");
231 
232 MODULE_FIRMWARE("nvidia/gm206/acr/bl.bin");
233 MODULE_FIRMWARE("nvidia/gm206/acr/ucode_load.bin");
234 MODULE_FIRMWARE("nvidia/gm206/acr/ucode_unload.bin");
235 MODULE_FIRMWARE("nvidia/gm206/gr/fecs_bl.bin");
236 MODULE_FIRMWARE("nvidia/gm206/gr/fecs_inst.bin");
237 MODULE_FIRMWARE("nvidia/gm206/gr/fecs_data.bin");
238 MODULE_FIRMWARE("nvidia/gm206/gr/fecs_sig.bin");
239 MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_bl.bin");
240 MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_inst.bin");
241 MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_data.bin");
242 MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_sig.bin");
243 MODULE_FIRMWARE("nvidia/gm206/gr/sw_ctx.bin");
244 MODULE_FIRMWARE("nvidia/gm206/gr/sw_nonctx.bin");
245 MODULE_FIRMWARE("nvidia/gm206/gr/sw_bundle_init.bin");
246 MODULE_FIRMWARE("nvidia/gm206/gr/sw_method_init.bin");
247 
248 MODULE_FIRMWARE("nvidia/gp100/acr/bl.bin");
249 MODULE_FIRMWARE("nvidia/gp100/acr/ucode_load.bin");
250 MODULE_FIRMWARE("nvidia/gp100/acr/ucode_unload.bin");
251 MODULE_FIRMWARE("nvidia/gp100/gr/fecs_bl.bin");
252 MODULE_FIRMWARE("nvidia/gp100/gr/fecs_inst.bin");
253 MODULE_FIRMWARE("nvidia/gp100/gr/fecs_data.bin");
254 MODULE_FIRMWARE("nvidia/gp100/gr/fecs_sig.bin");
255 MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_bl.bin");
256 MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_inst.bin");
257 MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_data.bin");
258 MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_sig.bin");
259 MODULE_FIRMWARE("nvidia/gp100/gr/sw_ctx.bin");
260 MODULE_FIRMWARE("nvidia/gp100/gr/sw_nonctx.bin");
261 MODULE_FIRMWARE("nvidia/gp100/gr/sw_bundle_init.bin");
262 MODULE_FIRMWARE("nvidia/gp100/gr/sw_method_init.bin");
263