xref: /openbmc/u-boot/cmd/cbfs.c (revision 70341e2e)
1 /*
2  * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 /*
8  * CBFS commands
9  */
10 #include <common.h>
11 #include <command.h>
12 #include <cbfs.h>
13 
14 int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
15 {
16 	uintptr_t end_of_rom = 0xffffffff;
17 	char *ep;
18 
19 	if (argc > 2) {
20 		printf("usage: cbfsls [end of rom]>\n");
21 		return 0;
22 	}
23 	if (argc == 2) {
24 		end_of_rom = (int)simple_strtoul(argv[1], &ep, 16);
25 		if (*ep) {
26 			puts("\n** Invalid end of ROM **\n");
27 			return 1;
28 		}
29 	}
30 	file_cbfs_init(end_of_rom);
31 	if (file_cbfs_result != CBFS_SUCCESS) {
32 		printf("%s.\n", file_cbfs_error());
33 		return 1;
34 	}
35 	return 0;
36 }
37 
38 U_BOOT_CMD(
39 	cbfsinit,	2,	0,	do_cbfs_init,
40 	"initialize the cbfs driver",
41 	"[end of rom]\n"
42 	"    - Initialize the cbfs driver. The optional 'end of rom'\n"
43 	"      parameter specifies where the end of the ROM is that the\n"
44 	"      CBFS is in. It defaults to 0xFFFFFFFF\n"
45 );
46 
47 int do_cbfs_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
48 {
49 	const struct cbfs_cachenode *file;
50 	unsigned long offset;
51 	unsigned long count;
52 	long size;
53 
54 	if (argc < 3) {
55 		printf("usage: cbfsload <addr> <filename> [bytes]\n");
56 		return 1;
57 	}
58 
59 	/* parse offset and count */
60 	offset = simple_strtoul(argv[1], NULL, 16);
61 	if (argc == 4)
62 		count = simple_strtoul(argv[3], NULL, 16);
63 	else
64 		count = 0;
65 
66 	file = file_cbfs_find(argv[2]);
67 	if (!file) {
68 		if (file_cbfs_result == CBFS_FILE_NOT_FOUND)
69 			printf("%s: %s\n", file_cbfs_error(), argv[2]);
70 		else
71 			printf("%s.\n", file_cbfs_error());
72 		return 1;
73 	}
74 
75 	printf("reading %s\n", file_cbfs_name(file));
76 
77 	size = file_cbfs_read(file, (void *)offset, count);
78 
79 	printf("\n%ld bytes read\n", size);
80 
81 	setenv_hex("filesize", size);
82 
83 	return 0;
84 }
85 
86 U_BOOT_CMD(
87 	cbfsload,	4,	0,	do_cbfs_fsload,
88 	"load binary file from a cbfs filesystem",
89 	"<addr> <filename> [bytes]\n"
90 	"    - load binary file 'filename' from the cbfs to address 'addr'\n"
91 );
92 
93 int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
94 {
95 	const struct cbfs_cachenode *file = file_cbfs_get_first();
96 	int files = 0;
97 
98 	if (!file) {
99 		printf("%s.\n", file_cbfs_error());
100 		return 1;
101 	}
102 
103 	printf("     size              type  name\n");
104 	printf("------------------------------------------\n");
105 	while (file) {
106 		u32 type = file_cbfs_type(file);
107 		char *type_name = NULL;
108 		const char *filename = file_cbfs_name(file);
109 
110 		printf(" %8d", file_cbfs_size(file));
111 
112 		switch (type) {
113 		case CBFS_TYPE_STAGE:
114 			type_name = "stage";
115 			break;
116 		case CBFS_TYPE_PAYLOAD:
117 			type_name = "payload";
118 			break;
119 		case CBFS_TYPE_OPTIONROM:
120 			type_name = "option rom";
121 			break;
122 		case CBFS_TYPE_BOOTSPLASH:
123 			type_name = "boot splash";
124 			break;
125 		case CBFS_TYPE_RAW:
126 			type_name = "raw";
127 			break;
128 		case CBFS_TYPE_VSA:
129 			type_name = "vsa";
130 			break;
131 		case CBFS_TYPE_MBI:
132 			type_name = "mbi";
133 			break;
134 		case CBFS_TYPE_MICROCODE:
135 			type_name = "microcode";
136 			break;
137 		case CBFS_COMPONENT_CMOS_DEFAULT:
138 			type_name = "cmos default";
139 			break;
140 		case CBFS_COMPONENT_CMOS_LAYOUT:
141 			type_name = "cmos layout";
142 			break;
143 		case -1UL:
144 			type_name = "null";
145 			break;
146 		}
147 		if (type_name)
148 			printf("  %16s", type_name);
149 		else
150 			printf("  %16d", type);
151 
152 		if (filename[0])
153 			printf("  %s\n", filename);
154 		else
155 			printf("  %s\n", "(empty)");
156 		file_cbfs_get_next(&file);
157 		files++;
158 	}
159 
160 	printf("\n%d file(s)\n\n", files);
161 	return 0;
162 }
163 
164 U_BOOT_CMD(
165 	cbfsls,	1,	1,	do_cbfs_ls,
166 	"list files",
167 	"    - list the files in the cbfs\n"
168 );
169 
170 int do_cbfs_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
171 {
172 	const struct cbfs_header *header = file_cbfs_get_header();
173 
174 	if (!header) {
175 		printf("%s.\n", file_cbfs_error());
176 		return 1;
177 	}
178 
179 	printf("\n");
180 	printf("CBFS version: %#x\n", header->version);
181 	printf("ROM size: %#x\n", header->rom_size);
182 	printf("Boot block size: %#x\n", header->boot_block_size);
183 	printf("CBFS size: %#x\n",
184 		header->rom_size - header->boot_block_size - header->offset);
185 	printf("Alignment: %d\n", header->align);
186 	printf("Offset: %#x\n", header->offset);
187 	printf("\n");
188 
189 	return 0;
190 }
191 
192 U_BOOT_CMD(
193 	cbfsinfo,	1,	1,	do_cbfs_fsinfo,
194 	"print information about filesystem",
195 	"    - print information about the cbfs filesystem\n"
196 );
197