projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| e887afc9 WD |
2 | /* |
| 3 | * (C) Copyright 2001 | |
| 4 | * Denis Peter, MPL AG Switzerland | |
| e887afc9 WD |
5 | */ |
| 6 | ||
| 7 | /* | |
| 8 | * SCSI support. | |
| 9 | */ | |
| d678a59d | 10 | #include <common.h> |
| e6f6f9e6 | 11 | #include <blk.h> |
| e887afc9 | 12 | #include <command.h> |
| e887afc9 | 13 | #include <scsi.h> |
| e887afc9 WD |
14 | |
| 15 | static int scsi_curr_dev; /* current device */ | |
| 16 | ||
| 11f610ed | 17 | /* |
| e887afc9 WD |
18 | * scsi boot command intepreter. Derived from diskboot |
| 19 | */ | |
| 09140113 SG |
20 | static int do_scsiboot(struct cmd_tbl *cmdtp, int flag, int argc, |
| 21 | char *const argv[]) | |
| e887afc9 | 22 | { |
| 7405a133 | 23 | return common_diskboot(cmdtp, "scsi", argc, argv); |
| e887afc9 WD |
24 | } |
| 25 | ||
| 11f610ed | 26 | /* |
| e887afc9 WD |
27 | * scsi command intepreter |
| 28 | */ | |
| 09140113 SG |
29 | static int do_scsi(struct cmd_tbl *cmdtp, int flag, int argc, |
| 30 | char *const argv[]) | |
| e887afc9 | 31 | { |
| c002e39a MS |
32 | int ret; |
| 33 | ||
| 1eaadd34 | 34 | if (argc == 2) { |
| f1d4d937 SG |
35 | if (strncmp(argv[1], "res", 3) == 0) { |
| 36 | printf("\nReset SCSI\n"); | |
| 8eab1a58 | 37 | ret = scsi_scan(true); |
| c002e39a MS |
38 | if (ret) |
| 39 | return CMD_RET_FAILURE; | |
| 40 | return ret; | |
| f1d4d937 | 41 | } |
| f1d4d937 | 42 | if (strncmp(argv[1], "scan", 4) == 0) { |
| 8eab1a58 | 43 | ret = scsi_scan(true); |
| c002e39a MS |
44 | if (ret) |
| 45 | return CMD_RET_FAILURE; | |
| 46 | return ret; | |
| f1d4d937 | 47 | } |
| 1eaadd34 | 48 | } |
| 11f610ed | 49 | |
| e33a5c6b | 50 | return blk_common_cmd(argc, argv, UCLASS_SCSI, &scsi_curr_dev); |
| 758c9e69 HTL |
51 | } |
| 52 | ||
| 73a9cfde SG |
53 | U_BOOT_CMD( |
| 54 | scsi, 5, 1, do_scsi, | |
| 55 | "SCSI sub-system", | |
| 56 | "reset - reset SCSI controller\n" | |
| 57 | "scsi info - show available SCSI devices\n" | |
| 58 | "scsi scan - (re-)scan SCSI bus\n" | |
| 59 | "scsi device [dev] - show or set current device\n" | |
| 60 | "scsi part [dev] - print partition table of one or all SCSI devices\n" | |
| 61 | "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n" | |
| 62 | " to memory address `addr'\n" | |
| 63 | "scsi write addr blk# cnt - write `cnt' blocks starting at block\n" | |
| 64 | " `blk#' from memory address `addr'" | |
| 65 | ); | |
| 66 | ||
| 67 | U_BOOT_CMD( | |
| 68 | scsiboot, 3, 1, do_scsiboot, | |
| 69 | "boot from SCSI device", | |
| 70 | "loadAddr dev:part" | |
| 71 | ); |