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 ); 90