72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2001
|
|
* Denis Peter, MPL AG Switzerland
|
|
*/
|
|
|
|
/*
|
|
* 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("\nReset SCSI\n");
|
|
#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\n"
|
|
"scsi info - show available SCSI devices\n"
|
|
"scsi scan - (re-)scan SCSI bus\n"
|
|
"scsi device [dev] - show or set current device\n"
|
|
"scsi part [dev] - print partition table of one or all SCSI devices\n"
|
|
"scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
|
|
" to memory address `addr'\n"
|
|
"scsi write addr blk# cnt - write `cnt' blocks starting at block\n"
|
|
" `blk#' from memory address `addr'"
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
scsiboot, 3, 1, do_scsiboot,
|
|
"boot from SCSI device",
|
|
"loadAddr dev:part"
|
|
);
|