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1 | /* |
2 | * Copyright (c) 2012, Google Inc. All rights reserved. | |
3 | * | |
4 | * See file CREDITS for list of people who contributed to this | |
5 | * project. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation; either version 2 of | |
10 | * the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
20 | * MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #include <common.h> | |
24 | ||
25 | #ifndef CONFIG_BOOTSTAGE_STASH | |
26 | #define CONFIG_BOOTSTAGE_STASH -1UL | |
27 | #define CONFIG_BOOTSTAGE_STASH_SIZE -1 | |
28 | #endif | |
29 | ||
30 | static int do_bootstage_report(cmd_tbl_t *cmdtp, int flag, int argc, | |
31 | char * const argv[]) | |
32 | { | |
33 | bootstage_report(); | |
34 | ||
35 | return 0; | |
36 | } | |
37 | ||
38 | static int get_base_size(int argc, char * const argv[], ulong *basep, | |
39 | ulong *sizep) | |
40 | { | |
41 | char *endp; | |
42 | ||
43 | *basep = CONFIG_BOOTSTAGE_STASH; | |
44 | *sizep = CONFIG_BOOTSTAGE_STASH_SIZE; | |
45 | if (argc < 2) | |
46 | return 0; | |
47 | *basep = simple_strtoul(argv[1], &endp, 16); | |
48 | if (*argv[1] == 0 || *endp != 0) | |
49 | return -1; | |
50 | if (argc == 2) | |
51 | return 0; | |
52 | *sizep = simple_strtoul(argv[2], &endp, 16); | |
53 | if (*argv[2] == 0 || *endp != 0) | |
54 | return -1; | |
55 | ||
56 | return 0; | |
57 | } | |
58 | ||
59 | static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc, | |
60 | char * const argv[]) | |
61 | { | |
62 | ulong base, size; | |
63 | int ret; | |
64 | ||
65 | if (get_base_size(argc, argv, &base, &size)) | |
66 | return CMD_RET_USAGE; | |
67 | if (base == -1UL) { | |
68 | printf("No bootstage stash area defined\n"); | |
69 | return 1; | |
70 | } | |
71 | ||
72 | if (0 == strcmp(argv[0], "stash")) | |
73 | ret = bootstage_stash((void *)base, size); | |
74 | else | |
75 | ret = bootstage_unstash((void *)base, size); | |
76 | if (ret) | |
77 | return 1; | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | static cmd_tbl_t cmd_bootstage_sub[] = { | |
83 | U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""), | |
84 | U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""), | |
85 | U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""), | |
86 | }; | |
87 | ||
88 | /* | |
89 | * Process a bootstage sub-command | |
90 | */ | |
91 | static int do_boostage(cmd_tbl_t *cmdtp, int flag, int argc, | |
92 | char * const argv[]) | |
93 | { | |
94 | cmd_tbl_t *c; | |
95 | ||
96 | /* Strip off leading 'bootstage' command argument */ | |
97 | argc--; | |
98 | argv++; | |
99 | ||
100 | c = find_cmd_tbl(argv[0], cmd_bootstage_sub, | |
101 | ARRAY_SIZE(cmd_bootstage_sub)); | |
102 | ||
103 | if (c) | |
104 | return c->cmd(cmdtp, flag, argc, argv); | |
105 | else | |
106 | return CMD_RET_USAGE; | |
107 | } | |
108 | ||
109 | ||
110 | U_BOOT_CMD(bootstage, 4, 1, do_boostage, | |
111 | "Boot stage command", | |
112 | " - check boot progress and timing\n" | |
113 | "report - Print a report\n" | |
114 | "stash [<start> [<size>]] - Stash data into memory\n" | |
115 | "unstash [<start> [<size>]] - Unstash data from memory" | |
116 | ); |