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 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 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 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 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 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 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