1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2000-2011
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7/*
8 * IDE support
9 */
10
11#include <common.h>
12#include <blk.h>
13#include <dm.h>
14#include <config.h>
15#include <watchdog.h>
16#include <command.h>
17#include <image.h>
18#include <asm/byteorder.h>
19#include <asm/io.h>
20#include <dm/device-internal.h>
21#include <dm/uclass-internal.h>
22
23#include <ide.h>
24#include <ata.h>
25
26#ifdef CONFIG_LED_STATUS
27# include <status_led.h>
28#endif
29
30/* Current I/O Device	*/
31static int curr_device;
32
33int do_ide(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
34{
35	if (argc == 2) {
36		if (strncmp(argv[1], "res", 3) == 0) {
37			struct udevice *dev;
38			int ret;
39
40			puts("\nReset IDE: ");
41			ret = uclass_find_first_device(UCLASS_IDE, &dev);
42			ret = device_remove(dev, DM_REMOVE_NORMAL);
43			if (!ret)
44				ret = device_chld_unbind(dev, NULL);
45			if (ret) {
46				printf("Cannot remove IDE (err=%dE)\n", ret);
47				return CMD_RET_FAILURE;
48			}
49
50			ret = uclass_first_device_err(UCLASS_IDE, &dev);
51			if (ret) {
52				printf("Init failed (err=%dE)\n", ret);
53				return CMD_RET_FAILURE;
54			}
55
56			return 0;
57		}
58	}
59
60	return blk_common_cmd(argc, argv, UCLASS_IDE, &curr_device);
61}
62
63int do_diskboot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
64{
65	return common_diskboot(cmdtp, "ide", argc, argv);
66}
67
68U_BOOT_CMD(ide, 5, 1, do_ide,
69	   "IDE sub-system",
70	   "reset - reset IDE controller\n"
71	   "ide info  - show available IDE devices\n"
72	   "ide device [dev] - show or set current device\n"
73	   "ide part [dev] - print partition table of one or all IDE devices\n"
74	   "ide read  addr blk# cnt\n"
75	   "ide write addr blk# cnt - read/write `cnt'"
76	   " blocks starting at block `blk#'\n"
77	   "    to/from memory address `addr'");
78
79U_BOOT_CMD(diskboot, 3, 1, do_diskboot,
80	   "boot from IDE device", "loadAddr dev:part");
81