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Commit | Line | Data |
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1 | /* | |
2 | * (C) Copyright 2001 | |
3 | * Denis Peter, MPL AG Switzerland | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | /* | |
9 | * SCSI support. | |
10 | */ | |
11 | #include <common.h> | |
12 | #include <command.h> | |
13 | #include <scsi.h> | |
14 | ||
15 | static int scsi_curr_dev; /* current device */ | |
16 | ||
17 | /* | |
18 | * scsi boot command intepreter. Derived from diskboot | |
19 | */ | |
20 | static int do_scsiboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) | |
21 | { | |
22 | return common_diskboot(cmdtp, "scsi", argc, argv); | |
23 | } | |
24 | ||
25 | /* | |
26 | * scsi command intepreter | |
27 | */ | |
28 | static int do_scsi(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) | |
29 | { | |
30 | int ret; | |
31 | ||
32 | if (argc == 2) { | |
33 | if (strncmp(argv[1], "res", 3) == 0) { | |
34 | printf("\nReset SCSI\n"); | |
35 | #ifndef CONFIG_DM_SCSI | |
36 | scsi_bus_reset(NULL); | |
37 | #endif | |
38 | ret = scsi_scan(true); | |
39 | if (ret) | |
40 | return CMD_RET_FAILURE; | |
41 | return ret; | |
42 | } | |
43 | if (strncmp(argv[1], "scan", 4) == 0) { | |
44 | ret = scsi_scan(true); | |
45 | if (ret) | |
46 | return CMD_RET_FAILURE; | |
47 | return ret; | |
48 | } | |
49 | } | |
50 | ||
51 | return blk_common_cmd(argc, argv, IF_TYPE_SCSI, &scsi_curr_dev); | |
52 | } | |
53 | ||
54 | U_BOOT_CMD( | |
55 | scsi, 5, 1, do_scsi, | |
56 | "SCSI sub-system", | |
57 | "reset - reset SCSI controller\n" | |
58 | "scsi info - show available SCSI devices\n" | |
59 | "scsi scan - (re-)scan SCSI bus\n" | |
60 | "scsi device [dev] - show or set current device\n" | |
61 | "scsi part [dev] - print partition table of one or all SCSI devices\n" | |
62 | "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n" | |
63 | " to memory address `addr'\n" | |
64 | "scsi write addr blk# cnt - write `cnt' blocks starting at block\n" | |
65 | " `blk#' from memory address `addr'" | |
66 | ); | |
67 | ||
68 | U_BOOT_CMD( | |
69 | scsiboot, 3, 1, do_scsiboot, | |
70 | "boot from SCSI device", | |
71 | "loadAddr dev:part" | |
72 | ); |