73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* SCSI support.
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*/
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#include <common.h>
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#include <command.h>
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#include <scsi.h>
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static int scsi_curr_dev; /* current device */
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/*
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* scsi boot command intepreter. Derived from diskboot
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*/
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static int do_scsiboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
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{
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return common_diskboot(cmdtp, "scsi", argc, argv);
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}
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/*
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* scsi command intepreter
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*/
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static int do_scsi(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
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{
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int ret;
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if (argc == 2) {
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if (strncmp(argv[1], "res", 3) == 0) {
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printf("\nReset SCSI\n");
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#ifndef CONFIG_DM_SCSI
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scsi_bus_reset(NULL);
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#endif
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ret = scsi_scan(true);
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if (ret)
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return CMD_RET_FAILURE;
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return ret;
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}
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if (strncmp(argv[1], "scan", 4) == 0) {
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ret = scsi_scan(true);
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if (ret)
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return CMD_RET_FAILURE;
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return ret;
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}
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}
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return blk_common_cmd(argc, argv, IF_TYPE_SCSI, &scsi_curr_dev);
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}
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U_BOOT_CMD(
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scsi, 5, 1, do_scsi,
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"SCSI sub-system",
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"reset - reset SCSI controller\n"
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"scsi info - show available SCSI devices\n"
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"scsi scan - (re-)scan SCSI bus\n"
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"scsi device [dev] - show or set current device\n"
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"scsi part [dev] - print partition table of one or all SCSI devices\n"
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"scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
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" to memory address `addr'\n"
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"scsi write addr blk# cnt - write `cnt' blocks starting at block\n"
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" `blk#' from memory address `addr'"
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);
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U_BOOT_CMD(
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scsiboot, 3, 1, do_scsiboot,
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"boot from SCSI device",
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"loadAddr dev:part"
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);
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