test/dm/cmd_dm.c

   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/root.h>
  18 #include <dm/util.h>
  19
  20 static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc,
  21                           char * const argv[])
  22 {
  23         dm_dump_all();
  24
  25         return 0;
  26 }
  27
  28 static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
  29                              char * const argv[])
  30 {
  31         dm_dump_uclass();
  32
  33         return 0;
  34 }
  35
  36 static int do_dm_dump_devres(cmd_tbl_t *cmdtp, int flag, int argc,
  37                              char * const argv[])
  38 {
  39         dm_dump_devres();
  40
  41         return 0;
  42 }
  43
  44 static cmd_tbl_t test_commands[] = {
  45         U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""),
  46         U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""),
  47         U_BOOT_CMD_MKENT(devres, 1, 1, do_dm_dump_devres, "", ""),
  48 };
  49
  50 static __maybe_unused void dm_reloc(void)
  51 {
  52         static int relocated;
  53
  54         if (!relocated) {
  55                 fixup_cmdtable(test_commands, ARRAY_SIZE(test_commands));
  56                 relocated = 1;
  57         }
  58 }
  59
  60 static int do_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  61 {
  62         cmd_tbl_t *test_cmd;
  63         int ret;
  64
  65 #ifdef CONFIG_NEEDS_MANUAL_RELOC
  66         dm_reloc();
  67 #endif
  68
  69         if (argc < 2)
  70                 return CMD_RET_USAGE;
  71         test_cmd = find_cmd_tbl(argv[1], test_commands,
  72                                 ARRAY_SIZE(test_commands));
  73         argc -= 2;
  74         argv += 2;
  75         if (!test_cmd || argc > test_cmd->maxargs)
  76                 return CMD_RET_USAGE;
  77
  78         ret = test_cmd->cmd(test_cmd, flag, argc, argv);
  79
  80         return cmd_process_error(test_cmd, ret);
  81 }
  82
  83 U_BOOT_CMD(
  84         dm,     3,      1,      do_dm,
  85         "Driver model low level access",
  86         "tree         Dump driver model tree ('*' = activated)\n"
  87         "dm uclass        Dump list of instances for each uclass\n"
  88         "dm devres        Dump list of device resources for each device"
  89 );