cmd/dm.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 2013 Google, Inc
 *
 * (C) Copyright 2012
 * Marek Vasut <marex@denx.de>
 */

#include <common.h>
#include <command.h>
#include <dm.h>
#include <malloc.h>
#include <mapmem.h>
#include <errno.h>
#include <asm/io.h>
#include <dm/root.h>
#include <dm/util.h>

static int do_dm_dump_all(struct cmd_tbl *cmdtp, int flag, int argc,
			  char *const argv[])
{
	dm_dump_all();

	return 0;
}

static int do_dm_dump_uclass(struct cmd_tbl *cmdtp, int flag, int argc,
			     char *const argv[])
{
	dm_dump_uclass();

	return 0;
}

static int do_dm_dump_devres(struct cmd_tbl *cmdtp, int flag, int argc,
			     char *const argv[])
{
	dm_dump_devres();

	return 0;
}

static int do_dm_dump_drivers(struct cmd_tbl *cmdtp, int flag, int argc,
			      char *const argv[])
{
	dm_dump_drivers();

	return 0;
}

static int do_dm_dump_driver_compat(struct cmd_tbl *cmdtp, int flag, int argc,
				    char * const argv[])
{
	dm_dump_driver_compat();

	return 0;
}

static int do_dm_dump_static_driver_info(struct cmd_tbl *cmdtp, int flag, int argc,
					 char * const argv[])
{
	dm_dump_static_driver_info();

	return 0;
}

static struct cmd_tbl test_commands[] = {
	U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""),
	U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""),
	U_BOOT_CMD_MKENT(devres, 1, 1, do_dm_dump_devres, "", ""),
	U_BOOT_CMD_MKENT(drivers, 1, 1, do_dm_dump_drivers, "", ""),
	U_BOOT_CMD_MKENT(compat, 1, 1, do_dm_dump_driver_compat, "", ""),
	U_BOOT_CMD_MKENT(static, 1, 1, do_dm_dump_static_driver_info, "", ""),
};

static __maybe_unused void dm_reloc(void)
{
	static int relocated;

	if (!relocated) {
		fixup_cmdtable(test_commands, ARRAY_SIZE(test_commands));
		relocated = 1;
	}
}

static int do_dm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	struct cmd_tbl *test_cmd;
	int ret;

#ifdef CONFIG_NEEDS_MANUAL_RELOC
	dm_reloc();
#endif

	if (argc < 2)
		return CMD_RET_USAGE;
	test_cmd = find_cmd_tbl(argv[1], test_commands,
				ARRAY_SIZE(test_commands));
	argc -= 2;
	argv += 2;
	if (!test_cmd || argc > test_cmd->maxargs)
		return CMD_RET_USAGE;

	ret = test_cmd->cmd(test_cmd, flag, argc, argv);

	return cmd_process_error(test_cmd, ret);
}

U_BOOT_CMD(
	dm,	3,	1,	do_dm,
	"Driver model low level access",
	"tree          Dump driver model tree ('*' = activated)\n"
	"dm uclass        Dump list of instances for each uclass\n"
	"dm devres        Dump list of device resources for each device\n"
	"dm drivers       Dump list of drivers with uclass and instances\n"
	"dm compat        Dump list of drivers with compatibility strings\n"
	"dm static        Dump list of drivers with static platform data"
);