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