[people/ms/u-boot.git] / cmd / scsi.c

/*
 * (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("\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"
);
Commit	Line	Data
e887afc9 WD	1	/*
	2	* (C) Copyright 2001
	3	* Denis Peter, MPL AG Switzerland
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
e887afc9 WD	6	*/
	7
	8	/*
	9	* SCSI support.
	10	*/
e887afc9 WD	11	#include <common.h>
e887afc9 WD	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
e887afc9 WD	19	*/
861fe650	20	static int do_scsiboot(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
e887afc9	21	{
7405a133	22	return common_diskboot(cmdtp, "scsi", argc, argv);
e887afc9 WD	23	}
e887afc9 WD	24
11f610ed	25	/*
e887afc9 WD	26	* scsi command intepreter
e887afc9 WD	27	*/
861fe650	28	static int do_scsi(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
e887afc9	29	{
c002e39a MS	30	int ret;
c002e39a MS	31
1eaadd34	32	if (argc == 2) {
f1d4d937 SG	33	if (strncmp(argv[1], "res", 3) == 0) {
f1d4d937 SG	34	printf("\nReset SCSI\n");
db13a768	35	#ifndef CONFIG_DM_SCSI
4682c8a1	36	scsi_bus_reset(NULL);
db13a768	37	#endif
8eab1a58	38	ret = scsi_scan(true);
c002e39a MS	39	if (ret)
	40	return CMD_RET_FAILURE;
	41	return ret;
f1d4d937	42	}
f1d4d937	43	if (strncmp(argv[1], "scan", 4) == 0) {
8eab1a58	44	ret = scsi_scan(true);
c002e39a MS	45	if (ret)
	46	return CMD_RET_FAILURE;
	47	return ret;
f1d4d937	48	}
1eaadd34	49	}
11f610ed	50
1eaadd34	51	return blk_common_cmd(argc, argv, IF_TYPE_SCSI, &scsi_curr_dev);
758c9e69 HTL	52	}
758c9e69 HTL	53
73a9cfde SG	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	);