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1 /*
2  * Copyright (c) 2014, 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 #ifndef __NVKM_SECBOOT_LS_UCODE_H__
24 #define __NVKM_SECBOOT_LS_UCODE_H__
25 
26 #include <core/os.h>
27 #include <core/subdev.h>
28 #include <subdev/secboot.h>
29 
30 struct nvkm_acr;
31 
32 /**
33  * struct ls_ucode_img_desc - descriptor of firmware image
34  * @descriptor_size:		size of this descriptor
35  * @image_size:			size of the whole image
36  * @bootloader_start_offset:	start offset of the bootloader in ucode image
37  * @bootloader_size:		size of the bootloader
38  * @bootloader_imem_offset:	start off set of the bootloader in IMEM
39  * @bootloader_entry_point:	entry point of the bootloader in IMEM
40  * @app_start_offset:		start offset of the LS firmware
41  * @app_size:			size of the LS firmware's code and data
42  * @app_imem_offset:		offset of the app in IMEM
43  * @app_imem_entry:		entry point of the app in IMEM
44  * @app_dmem_offset:		offset of the data in DMEM
45  * @app_resident_code_offset:	offset of app code from app_start_offset
46  * @app_resident_code_size:	size of the code
47  * @app_resident_data_offset:	offset of data from app_start_offset
48  * @app_resident_data_size:	size of data
49  *
50  * A firmware image contains the code, data, and bootloader of a given LS
51  * falcon in a single blob. This structure describes where everything is.
52  *
53  * This can be generated from a (bootloader, code, data) set if they have
54  * been loaded separately, or come directly from a file.
55  */
56 struct ls_ucode_img_desc {
57 	u32 descriptor_size;
58 	u32 image_size;
59 	u32 tools_version;
60 	u32 app_version;
61 	char date[64];
62 	u32 bootloader_start_offset;
63 	u32 bootloader_size;
64 	u32 bootloader_imem_offset;
65 	u32 bootloader_entry_point;
66 	u32 app_start_offset;
67 	u32 app_size;
68 	u32 app_imem_offset;
69 	u32 app_imem_entry;
70 	u32 app_dmem_offset;
71 	u32 app_resident_code_offset;
72 	u32 app_resident_code_size;
73 	u32 app_resident_data_offset;
74 	u32 app_resident_data_size;
75 	u32 nb_overlays;
76 	struct {u32 start; u32 size; } load_ovl[64];
77 	u32 compressed;
78 };
79 
80 /**
81  * struct ls_ucode_img - temporary storage for loaded LS firmwares
82  * @node:		to link within lsf_ucode_mgr
83  * @falcon_id:		ID of the falcon this LS firmware is for
84  * @ucode_desc:		loaded or generated map of ucode_data
85  * @ucode_data:		firmware payload (code and data)
86  * @ucode_size:		size in bytes of data in ucode_data
87  * @ucode_off:		offset of the ucode in ucode_data
88  * @sig:		signature for this firmware
89  * @sig:size:		size of the signature in bytes
90  *
91  * Preparing the WPR LS blob requires information about all the LS firmwares
92  * (size, etc) to be known. This structure contains all the data of one LS
93  * firmware.
94  */
95 struct ls_ucode_img {
96 	struct list_head node;
97 	enum nvkm_secboot_falcon falcon_id;
98 
99 	struct ls_ucode_img_desc ucode_desc;
100 	u8 *ucode_data;
101 	u32 ucode_size;
102 	u32 ucode_off;
103 
104 	u8 *sig;
105 	u32 sig_size;
106 };
107 
108 /**
109  * struct fw_bin_header - header of firmware files
110  * @bin_magic:		always 0x3b1d14f0
111  * @bin_ver:		version of the bin format
112  * @bin_size:		entire image size including this header
113  * @header_offset:	offset of the firmware/bootloader header in the file
114  * @data_offset:	offset of the firmware/bootloader payload in the file
115  * @data_size:		size of the payload
116  *
117  * This header is located at the beginning of the HS firmware and HS bootloader
118  * files, to describe where the headers and data can be found.
119  */
120 struct fw_bin_header {
121 	u32 bin_magic;
122 	u32 bin_ver;
123 	u32 bin_size;
124 	u32 header_offset;
125 	u32 data_offset;
126 	u32 data_size;
127 };
128 
129 /**
130  * struct fw_bl_desc - firmware bootloader descriptor
131  * @start_tag:		starting tag of bootloader
132  * @desc_dmem_load_off:	DMEM offset of flcn_bl_dmem_desc
133  * @code_off:		offset of code section
134  * @code_size:		size of code section
135  * @data_off:		offset of data section
136  * @data_size:		size of data section
137  *
138  * This structure is embedded in bootloader firmware files at to describe the
139  * IMEM and DMEM layout expected by the bootloader.
140  */
141 struct fw_bl_desc {
142 	u32 start_tag;
143 	u32 dmem_load_off;
144 	u32 code_off;
145 	u32 code_size;
146 	u32 data_off;
147 	u32 data_size;
148 };
149 
150 int acr_ls_ucode_load_fecs(const struct nvkm_secboot *, int,
151 			   struct ls_ucode_img *);
152 int acr_ls_ucode_load_gpccs(const struct nvkm_secboot *, int,
153 			    struct ls_ucode_img *);
154 int acr_ls_ucode_load_pmu(const struct nvkm_secboot *, int,
155 			  struct ls_ucode_img *);
156 int acr_ls_pmu_post_run(const struct nvkm_acr *, const struct nvkm_secboot *);
157 int acr_ls_ucode_load_sec2(const struct nvkm_secboot *, int,
158 			   struct ls_ucode_img *);
159 int acr_ls_sec2_post_run(const struct nvkm_acr *, const struct nvkm_secboot *);
160 
161 #endif
162