xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ga102.c (revision 42874e4eb35bdfc54f8514685e50434098ba4f6c)
1 /*
2  * Copyright 2021 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 <nvfw/flcn.h>
25 #include <nvfw/fw.h>
26 #include <nvfw/hs.h>
27 
28 int
29 ga102_gsp_reset(struct nvkm_gsp *gsp)
30 {
31 	int ret;
32 
33 	ret = gsp->falcon.func->reset_eng(&gsp->falcon);
34 	if (ret)
35 		return ret;
36 
37 	nvkm_falcon_mask(&gsp->falcon, 0x1668, 0x00000111, 0x00000111);
38 	return 0;
39 }
40 
41 int
42 ga102_gsp_booter_ctor(struct nvkm_gsp *gsp, const char *name, const struct firmware *blob,
43 		      struct nvkm_falcon *falcon, struct nvkm_falcon_fw *fw)
44 {
45 	struct nvkm_subdev *subdev = &gsp->subdev;
46 	const struct nvkm_falcon_fw_func *func = &ga102_flcn_fw;
47 	const struct nvfw_bin_hdr *hdr;
48 	const struct nvfw_hs_header_v2 *hshdr;
49 	const struct nvfw_hs_load_header_v2 *lhdr;
50 	u32 loc, sig, cnt, *meta;
51 	int ret;
52 
53 	hdr = nvfw_bin_hdr(subdev, blob->data);
54 	hshdr = nvfw_hs_header_v2(subdev, blob->data + hdr->header_offset);
55 	meta = (u32 *)(blob->data + hshdr->meta_data_offset);
56 	loc = *(u32 *)(blob->data + hshdr->patch_loc);
57 	sig = *(u32 *)(blob->data + hshdr->patch_sig);
58 	cnt = *(u32 *)(blob->data + hshdr->num_sig);
59 
60 	ret = nvkm_falcon_fw_ctor(func, name, subdev->device, true,
61 				  blob->data + hdr->data_offset, hdr->data_size, falcon, fw);
62 	if (ret)
63 		goto done;
64 
65 	ret = nvkm_falcon_fw_sign(fw, loc, hshdr->sig_prod_size / cnt, blob->data,
66 				  cnt, hshdr->sig_prod_offset + sig, 0, 0);
67 	if (ret)
68 		goto done;
69 
70 	lhdr = nvfw_hs_load_header_v2(subdev, blob->data + hshdr->header_offset);
71 
72 	fw->imem_base_img = lhdr->app[0].offset;
73 	fw->imem_base = 0;
74 	fw->imem_size = lhdr->app[0].size;
75 
76 	fw->dmem_base_img = lhdr->os_data_offset;
77 	fw->dmem_base = 0;
78 	fw->dmem_size = lhdr->os_data_size;
79 	fw->dmem_sign = loc - lhdr->os_data_offset;
80 
81 	fw->boot_addr = lhdr->app[0].offset;
82 
83 	fw->fuse_ver = meta[0];
84 	fw->engine_id = meta[1];
85 	fw->ucode_id = meta[2];
86 
87 done:
88 	if (ret)
89 		nvkm_falcon_fw_dtor(fw);
90 
91 	return ret;
92 }
93 
94 static int
95 ga102_gsp_fwsec_signature(struct nvkm_falcon_fw *fw, u32 *src_base_src)
96 {
97 	struct nvkm_falcon *falcon = fw->falcon;
98 	struct nvkm_device *device = falcon->owner->device;
99 	u32 sig_fuse_version = fw->fuse_ver;
100 	u32 reg_fuse_version;
101 	int idx = 0;
102 
103 	FLCN_DBG(falcon, "brom: %08x %08x", fw->engine_id, fw->ucode_id);
104 	FLCN_DBG(falcon, "sig_fuse_version: %08x", sig_fuse_version);
105 
106 	if (fw->engine_id & 0x00000400) {
107 		reg_fuse_version = nvkm_rd32(device, 0x8241c0 + (fw->ucode_id - 1) * 4);
108 	} else {
109 		WARN_ON(1);
110 		return -ENOSYS;
111 	}
112 
113 	FLCN_DBG(falcon, "reg_fuse_version: %08x", reg_fuse_version);
114 	reg_fuse_version = BIT(fls(reg_fuse_version));
115 	FLCN_DBG(falcon, "reg_fuse_version: %08x", reg_fuse_version);
116 	if (!(reg_fuse_version & fw->fuse_ver))
117 		return -EINVAL;
118 
119 	while (!(reg_fuse_version & sig_fuse_version & 1)) {
120 		idx += (sig_fuse_version & 1);
121 		reg_fuse_version >>= 1;
122 		sig_fuse_version >>= 1;
123 	}
124 
125 	return idx;
126 }
127 
128 const struct nvkm_falcon_fw_func
129 ga102_gsp_fwsec = {
130 	.signature = ga102_gsp_fwsec_signature,
131 	.reset = gm200_flcn_fw_reset,
132 	.load = ga102_flcn_fw_load,
133 	.boot = ga102_flcn_fw_boot,
134 };
135 
136 const struct nvkm_falcon_func
137 ga102_gsp_flcn = {
138 	.disable = gm200_flcn_disable,
139 	.enable = gm200_flcn_enable,
140 	.select = ga102_flcn_select,
141 	.addr2 = 0x1000,
142 	.riscv_irqmask = 0x528,
143 	.reset_eng = gp102_flcn_reset_eng,
144 	.reset_prep = ga102_flcn_reset_prep,
145 	.reset_wait_mem_scrubbing = ga102_flcn_reset_wait_mem_scrubbing,
146 	.imem_dma = &ga102_flcn_dma,
147 	.dmem_dma = &ga102_flcn_dma,
148 	.riscv_active = ga102_flcn_riscv_active,
149 	.intr_retrigger = ga100_flcn_intr_retrigger,
150 };
151 
152 static const struct nvkm_gsp_func
153 ga102_gsp_r535_113_01 = {
154 	.flcn = &ga102_gsp_flcn,
155 	.fwsec = &ga102_gsp_fwsec,
156 
157 	.sig_section = ".fwsignature_ga10x",
158 
159 	.wpr_heap.os_carveout_size = 20 << 20,
160 	.wpr_heap.base_size = 8 << 20,
161 	.wpr_heap.min_size = 84 << 20,
162 
163 	.booter.ctor = ga102_gsp_booter_ctor,
164 
165 	.dtor = r535_gsp_dtor,
166 	.oneinit = tu102_gsp_oneinit,
167 	.init = r535_gsp_init,
168 	.fini = r535_gsp_fini,
169 	.reset = ga102_gsp_reset,
170 
171 	.rm = &r535_gsp_rm,
172 };
173 
174 static const struct nvkm_gsp_func
175 ga102_gsp = {
176 	.flcn = &ga102_gsp_flcn,
177 };
178 
179 static struct nvkm_gsp_fwif
180 ga102_gsps[] = {
181 	{  0,  r535_gsp_load, &ga102_gsp_r535_113_01, "535.113.01" },
182 	{ -1, gv100_gsp_nofw, &ga102_gsp },
183 	{}
184 };
185 
186 int
187 ga102_gsp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
188 	      struct nvkm_gsp **pgsp)
189 {
190 	return nvkm_gsp_new_(ga102_gsps, device, type, inst, pgsp);
191 }
192