1 /*
2 * Copyright (c) 2013 Google, Inc
3 *
4 * (C) Copyright 2012
5 * Marek Vasut <marex@denx.de>
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10 #include <common.h>
11 #include <command.h>
12 #include <dm.h>
13 #include <malloc.h>
14 #include <mapmem.h>
15 #include <errno.h>
16 #include <asm/io.h>
17 #include <dm/of_access.h>
18 #include <dm/root.h>
19 #include <dm/util.h>
20
do_dm_dump_all(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])21 static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc,
22 char * const argv[])
23 {
24 dm_dump_all();
25
26 return 0;
27 }
28
do_dm_dump_uclass(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])29 static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
30 char * const argv[])
31 {
32 dm_dump_uclass();
33
34 return 0;
35 }
36
do_dm_dump_devres(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])37 static int do_dm_dump_devres(cmd_tbl_t *cmdtp, int flag, int argc,
38 char * const argv[])
39 {
40 dm_dump_devres();
41
42 return 0;
43 }
44
do_dm_dump_aliases(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])45 static int do_dm_dump_aliases(cmd_tbl_t *cmdtp, int flag, int argc,
46 char * const argv[])
47 {
48 #ifdef CONFIG_OF_LIVE
49 of_alias_dump();
50 #endif
51 return 0;
52 }
53
54 static cmd_tbl_t test_commands[] = {
55 U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""),
56 U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""),
57 U_BOOT_CMD_MKENT(devres, 1, 1, do_dm_dump_devres, "", ""),
58 U_BOOT_CMD_MKENT(aliases, 0, 1, do_dm_dump_aliases, "", ""),
59 };
60
dm_reloc(void)61 static __maybe_unused void dm_reloc(void)
62 {
63 static int relocated;
64
65 if (!relocated) {
66 fixup_cmdtable(test_commands, ARRAY_SIZE(test_commands));
67 relocated = 1;
68 }
69 }
70
do_dm(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])71 static int do_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
72 {
73 cmd_tbl_t *test_cmd;
74 int ret;
75
76 #ifdef CONFIG_NEEDS_MANUAL_RELOC
77 dm_reloc();
78 #endif
79
80 if (argc < 2)
81 return CMD_RET_USAGE;
82 test_cmd = find_cmd_tbl(argv[1], test_commands,
83 ARRAY_SIZE(test_commands));
84 argc -= 2;
85 argv += 2;
86 if (!test_cmd || argc > test_cmd->maxargs)
87 return CMD_RET_USAGE;
88
89 ret = test_cmd->cmd(test_cmd, flag, argc, argv);
90
91 return cmd_process_error(test_cmd, ret);
92 }
93
94 U_BOOT_CMD(
95 dm, 3, 1, do_dm,
96 "Driver model low level access",
97 "tree Dump driver model tree ('*' = activated)\n"
98 "dm uclass Dump list of instances for each uclass\n"
99 "dm devres Dump list of device resources for each device\n"
100 "dm aliases Dump list of aliases"
101 );
102