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