dm.c
1.77 KB
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// 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(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
dm_dump_all();
return 0;
}
static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
dm_dump_uclass();
return 0;
}
static int do_dm_dump_devres(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
dm_dump_devres();
return 0;
}
static cmd_tbl_t 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, "", ""),
};
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(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *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"
);