2 * Copyright (c) 2013 Google, Inc
5 * Marek Vasut <marex@denx.de>
7 * SPDX-License-Identifier: GPL-2.0+
17 #include <dm/uclass-internal.h>
19 static int display_succ(struct udevice *in, char *buf)
24 struct udevice *pos, *n, *prev = NULL;
26 printf("%s- %c %s @ %08lx", buf,
27 in->flags & DM_FLAG_ACTIVATED ? '*' : ' ',
28 in->name, (ulong)map_to_sysmem(in));
31 if (list_empty(&in->child_head))
35 strncpy(local, buf, sizeof(local));
36 snprintf(local + len, 2, "|");
37 if (len && local[len - 1] == '`')
40 list_for_each_entry_safe(pos, n, &in->child_head, sibling_node) {
42 display_succ(prev, local);
46 snprintf(local + len, 2, "`");
47 display_succ(prev, local);
52 static int dm_dump(struct udevice *dev)
56 return display_succ(dev, "");
59 static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc,
65 printf("ROOT %08lx\n", (ulong)map_to_sysmem(root));
69 static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
76 for (id = 0; id < UCLASS_COUNT; id++) {
79 ret = uclass_get(id, &uc);
83 printf("uclass %d: %s\n", id, uc->uc_drv->name);
84 for (ret = uclass_first_device(id, &dev);
86 ret = uclass_next_device(&dev)) {
87 printf(" %c %s @ %08lx:\n",
88 dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ',
89 dev->name, (ulong)map_to_sysmem(dev));
98 static int do_dm_test(cmd_tbl_t *cmdtp, int flag, int argc,
101 return dm_test_main();
103 #define TEST_HELP "\ndm test Run tests"
108 static cmd_tbl_t test_commands[] = {
109 U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""),
110 U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""),
111 #ifdef CONFIG_DM_TEST
112 U_BOOT_CMD_MKENT(test, 1, 1, do_dm_test, "", ""),
116 static int do_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
122 return CMD_RET_USAGE;
123 test_cmd = find_cmd_tbl(argv[1], test_commands,
124 ARRAY_SIZE(test_commands));
127 if (!test_cmd || argc > test_cmd->maxargs)
128 return CMD_RET_USAGE;
130 ret = test_cmd->cmd(test_cmd, flag, argc, argv);
132 return cmd_process_error(test_cmd, ret);
137 "Driver model low level access",
138 "tree Dump driver model tree\n"
139 "dm uclass Dump list of instances for each uclass"