xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/acr/gm20b.c (revision 200323768787a0ee02e01c35c1aff13dc9d77dde)
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
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 int
49 gm20b_acr_hsfw_load_bld(struct nvkm_falcon_fw *fw)
50 {
51 	struct flcn_bl_dmem_desc hsdesc = {
52 		.ctx_dma = FALCON_DMAIDX_VIRT,
53 		.code_dma_base = fw->vma->addr >> 8,
54 		.non_sec_code_off = fw->nmem_base,
55 		.non_sec_code_size = fw->nmem_size,
56 		.sec_code_off = fw->imem_base,
57 		.sec_code_size = fw->imem_size,
58 		.code_entry_point = 0,
59 		.data_dma_base = (fw->vma->addr + fw->dmem_base_img) >> 8,
60 		.data_size = fw->dmem_size,
61 	};
62 
63 	flcn_bl_dmem_desc_dump(fw->falcon->user, &hsdesc);
64 
65 	return nvkm_falcon_pio_wr(fw->falcon, (u8 *)&hsdesc, 0, 0, DMEM, 0, sizeof(hsdesc), 0, 0);
66 }
67 
68 
69 static int
70 gm20b_acr_load_setup(struct nvkm_falcon_fw *fw)
71 {
72 	struct flcn_acr_desc *desc = (void *)&fw->fw.img[fw->dmem_base_img];
73 	struct nvkm_acr *acr = fw->falcon->owner->device->acr;
74 
75 	desc->ucode_blob_base = nvkm_memory_addr(acr->wpr);
76 	desc->ucode_blob_size = nvkm_memory_size(acr->wpr);
77 	flcn_acr_desc_dump(&acr->subdev, desc);
78 	return 0;
79 }
80 
81 const struct nvkm_falcon_fw_func
82 gm20b_acr_load_0 = {
83 	.signature = gm200_flcn_fw_signature,
84 	.reset = gm200_flcn_fw_reset,
85 	.setup = gm20b_acr_load_setup,
86 	.load = gm200_flcn_fw_load,
87 	.load_bld = gm20b_acr_hsfw_load_bld,
88 	.boot = gm200_flcn_fw_boot,
89 };
90 
91 #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
92 MODULE_FIRMWARE("nvidia/gm20b/acr/bl.bin");
93 MODULE_FIRMWARE("nvidia/gm20b/acr/ucode_load.bin");
94 #endif
95 
96 static const struct nvkm_acr_hsf_fwif
97 gm20b_acr_load_fwif[] = {
98 	{ 0, gm200_acr_hsfw_ctor, &gm20b_acr_load_0, NVKM_ACR_HSF_PMU, 0, 0x10 },
99 	{}
100 };
101 
102 static const struct nvkm_acr_func
103 gm20b_acr = {
104 	.load = gm20b_acr_load_fwif,
105 	.wpr_parse = gm200_acr_wpr_parse,
106 	.wpr_layout = gm200_acr_wpr_layout,
107 	.wpr_alloc = gm20b_acr_wpr_alloc,
108 	.wpr_build = gm200_acr_wpr_build,
109 	.wpr_patch = gm200_acr_wpr_patch,
110 	.wpr_check = gm200_acr_wpr_check,
111 	.init = gm200_acr_init,
112 };
113 
114 int
115 gm20b_acr_load(struct nvkm_acr *acr, int ver, const struct nvkm_acr_fwif *fwif)
116 {
117 	struct nvkm_subdev *subdev = &acr->subdev;
118 	const struct nvkm_acr_hsf_fwif *hsfwif;
119 
120 	hsfwif = nvkm_firmware_load(subdev, fwif->func->load, "AcrLoad",
121 				    acr, "acr/bl", "acr/ucode_load", "load");
122 	if (IS_ERR(hsfwif))
123 		return PTR_ERR(hsfwif);
124 
125 	return 0;
126 }
127 
128 static const struct nvkm_acr_fwif
129 gm20b_acr_fwif[] = {
130 	{  0, gm20b_acr_load, &gm20b_acr },
131 	{ -1, gm200_acr_nofw, &gm200_acr },
132 	{}
133 };
134 
135 int
136 gm20b_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
137 	      struct nvkm_acr **pacr)
138 {
139 	return nvkm_acr_new_(gm20b_acr_fwif, device, type, inst, pacr);
140 }
141