Blame view
cmd/scsi.c
1.56 KB
d41ce506b
Initial Release, ...
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 |
/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* SCSI support.
*/
#include <common.h>
#include <command.h>
#include <scsi.h>
static int scsi_curr_dev; /* current device */
/*
* scsi boot command intepreter. Derived from diskboot
*/
static int do_scsiboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
return common_diskboot(cmdtp, "scsi", argc, argv);
}
/*
* scsi command intepreter
*/
static int do_scsi(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
if (argc == 2) {
if (strncmp(argv[1], "res", 3) == 0) {
printf("
Reset SCSI
");
#ifndef CONFIG_DM_SCSI
scsi_bus_reset(NULL);
#endif
ret = scsi_scan(true);
if (ret)
return CMD_RET_FAILURE;
return ret;
}
if (strncmp(argv[1], "scan", 4) == 0) {
ret = scsi_scan(true);
if (ret)
return CMD_RET_FAILURE;
return ret;
}
}
return blk_common_cmd(argc, argv, IF_TYPE_SCSI, &scsi_curr_dev);
}
U_BOOT_CMD(
scsi, 5, 1, do_scsi,
"SCSI sub-system",
"reset - reset SCSI controller
"
"scsi info - show available SCSI devices
"
"scsi scan - (re-)scan SCSI bus
"
"scsi device [dev] - show or set current device
"
"scsi part [dev] - print partition table of one or all SCSI devices
"
"scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'
"
" to memory address `addr'
"
"scsi write addr blk# cnt - write `cnt' blocks starting at block
"
" `blk#' from memory address `addr'"
);
U_BOOT_CMD(
scsiboot, 3, 1, do_scsiboot,
"boot from SCSI device",
"loadAddr dev:part"
);
|