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2eba38cf SG |
1 | /* |
2 | * Copyright (c) 2012, Google Inc. All rights reserved. | |
3 | * | |
1a459660 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
2eba38cf SG |
5 | */ |
6 | ||
7 | #include <common.h> | |
8 | ||
9 | #ifndef CONFIG_BOOTSTAGE_STASH | |
10 | #define CONFIG_BOOTSTAGE_STASH -1UL | |
11 | #define CONFIG_BOOTSTAGE_STASH_SIZE -1 | |
12 | #endif | |
13 | ||
14 | static int do_bootstage_report(cmd_tbl_t *cmdtp, int flag, int argc, | |
15 | char * const argv[]) | |
16 | { | |
17 | bootstage_report(); | |
18 | ||
19 | return 0; | |
20 | } | |
21 | ||
22 | static int get_base_size(int argc, char * const argv[], ulong *basep, | |
23 | ulong *sizep) | |
24 | { | |
25 | char *endp; | |
26 | ||
27 | *basep = CONFIG_BOOTSTAGE_STASH; | |
28 | *sizep = CONFIG_BOOTSTAGE_STASH_SIZE; | |
29 | if (argc < 2) | |
30 | return 0; | |
31 | *basep = simple_strtoul(argv[1], &endp, 16); | |
32 | if (*argv[1] == 0 || *endp != 0) | |
33 | return -1; | |
34 | if (argc == 2) | |
35 | return 0; | |
36 | *sizep = simple_strtoul(argv[2], &endp, 16); | |
37 | if (*argv[2] == 0 || *endp != 0) | |
38 | return -1; | |
39 | ||
40 | return 0; | |
41 | } | |
42 | ||
43 | static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc, | |
44 | char * const argv[]) | |
45 | { | |
46 | ulong base, size; | |
47 | int ret; | |
48 | ||
49 | if (get_base_size(argc, argv, &base, &size)) | |
50 | return CMD_RET_USAGE; | |
51 | if (base == -1UL) { | |
52 | printf("No bootstage stash area defined\n"); | |
53 | return 1; | |
54 | } | |
55 | ||
56 | if (0 == strcmp(argv[0], "stash")) | |
57 | ret = bootstage_stash((void *)base, size); | |
58 | else | |
59 | ret = bootstage_unstash((void *)base, size); | |
60 | if (ret) | |
61 | return 1; | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
66 | static cmd_tbl_t cmd_bootstage_sub[] = { | |
67 | U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""), | |
68 | U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""), | |
69 | U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""), | |
70 | }; | |
71 | ||
72 | /* | |
73 | * Process a bootstage sub-command | |
74 | */ | |
75 | static int do_boostage(cmd_tbl_t *cmdtp, int flag, int argc, | |
76 | char * const argv[]) | |
77 | { | |
78 | cmd_tbl_t *c; | |
79 | ||
80 | /* Strip off leading 'bootstage' command argument */ | |
81 | argc--; | |
82 | argv++; | |
83 | ||
84 | c = find_cmd_tbl(argv[0], cmd_bootstage_sub, | |
85 | ARRAY_SIZE(cmd_bootstage_sub)); | |
86 | ||
87 | if (c) | |
88 | return c->cmd(cmdtp, flag, argc, argv); | |
89 | else | |
90 | return CMD_RET_USAGE; | |
91 | } | |
92 | ||
93 | ||
94 | U_BOOT_CMD(bootstage, 4, 1, do_boostage, | |
95 | "Boot stage command", | |
96 | " - check boot progress and timing\n" | |
97 | "report - Print a report\n" | |
98 | "stash [<start> [<size>]] - Stash data into memory\n" | |
99 | "unstash [<start> [<size>]] - Unstash data from memory" | |
100 | ); |