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Commit | Line | Data |
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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> |
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 |
19 | */ | |
11f610ed | 20 | 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 | } |
24 | ||
11f610ed | 25 | /* |
e887afc9 WD |
26 | * scsi command intepreter |
27 | */ | |
11f610ed | 28 | int do_scsi(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
e887afc9 WD |
29 | { |
30 | switch (argc) { | |
4c12eeb8 SG |
31 | case 0: |
32 | case 1: | |
33 | return CMD_RET_USAGE; | |
4c12eeb8 | 34 | case 2: |
f1d4d937 SG |
35 | if (strncmp(argv[1], "res", 3) == 0) { |
36 | printf("\nReset SCSI\n"); | |
37 | scsi_bus_reset(); | |
38 | scsi_scan(1); | |
39 | return 0; | |
40 | } | |
41 | if (strncmp(argv[1], "inf", 3) == 0) { | |
11f610ed | 42 | blk_list_devices(IF_TYPE_SCSI); |
f1d4d937 SG |
43 | return 0; |
44 | } | |
45 | if (strncmp(argv[1], "dev", 3) == 0) { | |
11f610ed | 46 | if (blk_print_device_num(IF_TYPE_SCSI, scsi_curr_dev)) { |
f1d4d937 | 47 | printf("\nno SCSI devices available\n"); |
11f610ed | 48 | return CMD_RET_FAILURE; |
e887afc9 | 49 | } |
11f610ed | 50 | |
f1d4d937 SG |
51 | return 0; |
52 | } | |
53 | if (strncmp(argv[1], "scan", 4) == 0) { | |
54 | scsi_scan(1); | |
55 | return 0; | |
56 | } | |
57 | if (strncmp(argv[1], "part", 4) == 0) { | |
11f610ed | 58 | if (blk_list_part(IF_TYPE_SCSI)) |
f1d4d937 | 59 | printf("\nno SCSI devices available\n"); |
11f610ed | 60 | return 0; |
f1d4d937 SG |
61 | } |
62 | return CMD_RET_USAGE; | |
63 | case 3: | |
64 | if (strncmp(argv[1], "dev", 3) == 0) { | |
65 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
11f610ed SG |
66 | |
67 | if (!blk_show_device(IF_TYPE_SCSI, dev)) { | |
68 | scsi_curr_dev = dev; | |
69 | printf("... is now current device\n"); | |
70 | } else { | |
71 | return CMD_RET_FAILURE; | |
73a9cfde | 72 | } |
f1d4d937 SG |
73 | return 0; |
74 | } | |
75 | if (strncmp(argv[1], "part", 4) == 0) { | |
76 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
11f610ed SG |
77 | |
78 | if (blk_print_part_devnum(IF_TYPE_SCSI, dev)) { | |
79 | printf("\nSCSI device %d not available\n", | |
80 | dev); | |
81 | return CMD_RET_FAILURE; | |
82 | } | |
83 | return 0; | |
f1d4d937 SG |
84 | } |
85 | return CMD_RET_USAGE; | |
86 | default: | |
87 | /* at least 4 args */ | |
88 | if (strcmp(argv[1], "read") == 0) { | |
89 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
90 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
91 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
92 | ulong n; | |
11f610ed | 93 | |
f1d4d937 SG |
94 | printf("\nSCSI read: device %d block # %ld, count %ld ... ", |
95 | scsi_curr_dev, blk, cnt); | |
11f610ed SG |
96 | n = blk_read_devnum(IF_TYPE_SCSI, scsi_curr_dev, blk, |
97 | cnt, (ulong *)addr); | |
f1d4d937 SG |
98 | printf("%ld blocks read: %s\n", n, |
99 | n == cnt ? "OK" : "ERROR"); | |
100 | return 0; | |
101 | } else if (strcmp(argv[1], "write") == 0) { | |
102 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
103 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
104 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
105 | ulong n; | |
11f610ed | 106 | |
f1d4d937 SG |
107 | printf("\nSCSI write: device %d block # %ld, count %ld ... ", |
108 | scsi_curr_dev, blk, cnt); | |
11f610ed SG |
109 | n = blk_write_devnum(IF_TYPE_SCSI, scsi_curr_dev, blk, |
110 | cnt, (ulong *)addr); | |
f1d4d937 SG |
111 | printf("%ld blocks written: %s\n", n, |
112 | n == cnt ? "OK" : "ERROR"); | |
113 | return 0; | |
114 | } | |
73a9cfde SG |
115 | } /* switch */ |
116 | return CMD_RET_USAGE; | |
758c9e69 HTL |
117 | } |
118 | ||
73a9cfde SG |
119 | U_BOOT_CMD( |
120 | scsi, 5, 1, do_scsi, | |
121 | "SCSI sub-system", | |
122 | "reset - reset SCSI controller\n" | |
123 | "scsi info - show available SCSI devices\n" | |
124 | "scsi scan - (re-)scan SCSI bus\n" | |
125 | "scsi device [dev] - show or set current device\n" | |
126 | "scsi part [dev] - print partition table of one or all SCSI devices\n" | |
127 | "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n" | |
128 | " to memory address `addr'\n" | |
129 | "scsi write addr blk# cnt - write `cnt' blocks starting at block\n" | |
130 | " `blk#' from memory address `addr'" | |
131 | ); | |
132 | ||
133 | U_BOOT_CMD( | |
134 | scsiboot, 3, 1, do_scsiboot, | |
135 | "boot from SCSI device", | |
136 | "loadAddr dev:part" | |
137 | ); |