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 <dm.h> 12 #include <malloc.h> 13 #include <mapmem.h> 14 #include <errno.h> 15 #include <asm/io.h> 16 #include <dm/root.h> 17 #include <dm/util.h> 18 19 static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc, 20 char * const argv[]) 21 { 22 dm_dump_all(); 23 24 return 0; 25 } 26 27 static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc, 28 char * const argv[]) 29 { 30 dm_dump_uclass(); 31 32 return 0; 33 } 34 35 static int do_dm_dump_devres(cmd_tbl_t *cmdtp, int flag, int argc, 36 char * const argv[]) 37 { 38 dm_dump_devres(); 39 40 return 0; 41 } 42 43 static cmd_tbl_t test_commands[] = { 44 U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""), 45 U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""), 46 U_BOOT_CMD_MKENT(devres, 1, 1, do_dm_dump_devres, "", ""), 47 }; 48 49 static int do_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 50 { 51 cmd_tbl_t *test_cmd; 52 int ret; 53 54 if (argc < 2) 55 return CMD_RET_USAGE; 56 test_cmd = find_cmd_tbl(argv[1], test_commands, 57 ARRAY_SIZE(test_commands)); 58 argc -= 2; 59 argv += 2; 60 if (!test_cmd || argc > test_cmd->maxargs) 61 return CMD_RET_USAGE; 62 63 ret = test_cmd->cmd(test_cmd, flag, argc, argv); 64 65 return cmd_process_error(test_cmd, ret); 66 } 67 68 U_BOOT_CMD( 69 dm, 3, 1, do_dm, 70 "Driver model low level access", 71 "tree Dump driver model tree ('*' = activated)\n" 72 "dm uclass Dump list of instances for each uclass\n" 73 "dm devres Dump list of device resources for each device" 74 ); 75