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 */
31 static int curr_device;
32
do_ide(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])33 int 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
do_diskboot(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])63 int do_diskboot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
64 {
65 return common_diskboot(cmdtp, "ide", argc, argv);
66 }
67
68 U_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
79 U_BOOT_CMD(diskboot, 3, 1, do_diskboot,
80 "boot from IDE device", "loadAddr dev:part");
81