cmd/dm.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2013 Google, Inc
   4  *
   5  * (C) Copyright 2012
   6  * Marek Vasut <marex@denx.de>
   7  */
   8
   9 #include <command.h>
  10 #include <dm/root.h>
  11 #include <dm/util.h>
  12
  13 static int do_dm_dump_driver_compat(struct cmd_tbl *cmdtp, int flag, int argc,
  14                                     char * const argv[])
  15 {
  16         dm_dump_driver_compat();
  17
  18         return 0;
  19 }
  20
  21 static int do_dm_dump_devres(struct cmd_tbl *cmdtp, int flag, int argc,
  22                              char *const argv[])
  23 {
  24         dm_dump_devres();
  25
  26         return 0;
  27 }
  28
  29 static int do_dm_dump_drivers(struct cmd_tbl *cmdtp, int flag, int argc,
  30                               char *const argv[])
  31 {
  32         dm_dump_drivers();
  33
  34         return 0;
  35 }
  36
  37 #if CONFIG_IS_ENABLED(DM_STATS)
  38 static int do_dm_dump_mem(struct cmd_tbl *cmdtp, int flag, int argc,
  39                           char *const argv[])
  40 {
  41         struct dm_stats mem;
  42
  43         dm_get_mem(&mem);
  44         dm_dump_mem(&mem);
  45
  46         return 0;
  47 }
  48 #endif /* DM_STATS */
  49
  50 static int do_dm_dump_static_driver_info(struct cmd_tbl *cmdtp, int flag,
  51                                          int argc, char * const argv[])
  52 {
  53         dm_dump_static_driver_info();
  54
  55         return 0;
  56 }
  57
  58 static int do_dm_dump_tree(struct cmd_tbl *cmdtp, int flag, int argc,
  59                            char *const argv[])
  60 {
  61         bool extended = false, sort = false;
  62         char *device = NULL;
  63
  64         for (; argc > 1; argc--, argv++) {
  65                 if (argv[1][0] != '-')
  66                         break;
  67
  68                 if (!strcmp(argv[1], "-e")) {
  69                         extended = true;
  70                 } else if (!strcmp(argv[1], "-s")) {
  71                         sort = true;
  72                 } else {
  73                         printf("Unknown parameter: %s\n", argv[1]);
  74                         return 0;
  75                 }
  76         }
  77         if (argc > 1)
  78                 device = argv[1];
  79
  80         dm_dump_tree(device, extended, sort);
  81
  82         return 0;
  83 }
  84
  85 static int do_dm_dump_uclass(struct cmd_tbl *cmdtp, int flag, int argc,
  86                              char *const argv[])
  87 {
  88         bool extended = false;
  89         char *uclass = NULL;
  90
  91         if (argc > 1) {
  92                 if (!strcmp(argv[1], "-e")) {
  93                         extended = true;
  94                         argc--;
  95                         argv++;
  96                 }
  97                 if (argc > 1)
  98                         uclass = argv[1];
  99         }
 100
 101         dm_dump_uclass(uclass, extended);
 102
 103         return 0;
 104 }
 105
 106 #if CONFIG_IS_ENABLED(DM_STATS)
 107 #define DM_MEM_HELP     "dm mem           Provide a summary of memory usage\n"
 108 #define DM_MEM          U_BOOT_SUBCMD_MKENT(mem, 1, 1, do_dm_dump_mem),
 109 #else
 110 #define DM_MEM_HELP
 111 #define DM_MEM
 112 #endif
 113
 114 U_BOOT_LONGHELP(dm,
 115         "compat        Dump list of drivers with compatibility strings\n"
 116         "dm devres        Dump list of device resources for each device\n"
 117         "dm drivers       Dump list of drivers with uclass and instances\n"
 118         DM_MEM_HELP
 119         "dm static        Dump list of drivers with static platform data\n"
 120         "dm tree [-s][-e][name]   Dump tree of driver model devices (-s=sort)\n"
 121         "dm uclass [-e][name]     Dump list of instances for each uclass");
 122
 123 U_BOOT_CMD_WITH_SUBCMDS(dm, "Driver model low level access", dm_help_text,
 124         U_BOOT_SUBCMD_MKENT(compat, 1, 1, do_dm_dump_driver_compat),
 125         U_BOOT_SUBCMD_MKENT(devres, 1, 1, do_dm_dump_devres),
 126         U_BOOT_SUBCMD_MKENT(drivers, 1, 1, do_dm_dump_drivers),
 127         DM_MEM
 128         U_BOOT_SUBCMD_MKENT(static, 1, 1, do_dm_dump_static_driver_info),
 129         U_BOOT_SUBCMD_MKENT(tree, 4, 1, do_dm_dump_tree),
 130         U_BOOT_SUBCMD_MKENT(uclass, 3, 1, do_dm_dump_uclass));