]>
git.ipfire.org Git - people/ms/u-boot.git/blob - cmd/scsi.c
3 * Denis Peter, MPL AG Switzerland
5 * SPDX-License-Identifier: GPL-2.0+
15 static int scsi_curr_dev
; /* current device */
18 * scsi boot command intepreter. Derived from diskboot
20 static int do_scsiboot(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *const argv
[])
22 return common_diskboot(cmdtp
, "scsi", argc
, argv
);
26 * scsi command intepreter
28 static int do_scsi(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *const argv
[])
37 if (strncmp(argv
[1], "res", 3) == 0) {
38 printf("\nReset SCSI\n");
42 return CMD_RET_FAILURE
;
45 if (strncmp(argv
[1], "inf", 3) == 0) {
46 blk_list_devices(IF_TYPE_SCSI
);
49 if (strncmp(argv
[1], "dev", 3) == 0) {
50 if (blk_print_device_num(IF_TYPE_SCSI
, scsi_curr_dev
)) {
51 printf("\nno SCSI devices available\n");
52 return CMD_RET_FAILURE
;
57 if (strncmp(argv
[1], "scan", 4) == 0) {
60 return CMD_RET_FAILURE
;
63 if (strncmp(argv
[1], "part", 4) == 0) {
64 if (blk_list_part(IF_TYPE_SCSI
))
65 printf("\nno SCSI devices available\n");
70 if (strncmp(argv
[1], "dev", 3) == 0) {
71 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
73 if (!blk_show_device(IF_TYPE_SCSI
, dev
)) {
75 printf("... is now current device\n");
77 return CMD_RET_FAILURE
;
81 if (strncmp(argv
[1], "part", 4) == 0) {
82 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
84 if (blk_print_part_devnum(IF_TYPE_SCSI
, dev
)) {
85 printf("\nSCSI device %d not available\n",
87 return CMD_RET_FAILURE
;
94 if (strcmp(argv
[1], "read") == 0) {
95 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
96 ulong blk
= simple_strtoul(argv
[3], NULL
, 16);
97 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
100 printf("\nSCSI read: device %d block # %ld, count %ld ... ",
101 scsi_curr_dev
, blk
, cnt
);
102 n
= blk_read_devnum(IF_TYPE_SCSI
, scsi_curr_dev
, blk
,
104 printf("%ld blocks read: %s\n", n
,
105 n
== cnt
? "OK" : "ERROR");
107 } else if (strcmp(argv
[1], "write") == 0) {
108 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
109 ulong blk
= simple_strtoul(argv
[3], NULL
, 16);
110 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
113 printf("\nSCSI write: device %d block # %ld, count %ld ... ",
114 scsi_curr_dev
, blk
, cnt
);
115 n
= blk_write_devnum(IF_TYPE_SCSI
, scsi_curr_dev
, blk
,
117 printf("%ld blocks written: %s\n", n
,
118 n
== cnt
? "OK" : "ERROR");
122 return CMD_RET_USAGE
;
128 "reset - reset SCSI controller\n"
129 "scsi info - show available SCSI devices\n"
130 "scsi scan - (re-)scan SCSI bus\n"
131 "scsi device [dev] - show or set current device\n"
132 "scsi part [dev] - print partition table of one or all SCSI devices\n"
133 "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
134 " to memory address `addr'\n"
135 "scsi write addr blk# cnt - write `cnt' blocks starting at block\n"
136 " `blk#' from memory address `addr'"
140 scsiboot
, 3, 1, do_scsiboot
,
141 "boot from SCSI device",