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2262cfee WD |
1 | /* |
2 | * (C) Copyright 2002 | |
fa82f871 | 3 | * Stäubli Faverges - <www.staubli.com> |
2262cfee WD |
4 | * Pierre AUBERT p.aubert@staubli.com |
5 | * | |
6 | * See file CREDITS for list of people who contributed to this | |
7 | * project. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation; either version 2 of | |
12 | * the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
22 | * MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | /* | |
26 | * Dos floppy support | |
27 | */ | |
28 | ||
29 | #include <common.h> | |
30 | #include <config.h> | |
31 | #include <command.h> | |
32 | #include <fdc.h> | |
33 | ||
2262cfee | 34 | /*----------------------------------------------------------------------------- |
8bde7f77 | 35 | * do_fdosboot -- |
2262cfee WD |
36 | *----------------------------------------------------------------------------- |
37 | */ | |
54841ab5 | 38 | int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
2262cfee WD |
39 | { |
40 | char *name; | |
41 | char *ep; | |
42 | int size; | |
6d0f6bcf | 43 | int drive = CONFIG_SYS_FDC_DRIVE_NUMBER; |
8bde7f77 | 44 | |
2262cfee WD |
45 | /* pre-set load_addr */ |
46 | if ((ep = getenv("loadaddr")) != NULL) { | |
8bde7f77 | 47 | load_addr = simple_strtoul(ep, NULL, 16); |
2262cfee WD |
48 | } |
49 | ||
50 | /* pre-set Boot file name */ | |
51 | if ((name = getenv("bootfile")) == NULL) { | |
8bde7f77 | 52 | name = "uImage"; |
2262cfee WD |
53 | } |
54 | ||
55 | switch (argc) { | |
56 | case 1: | |
8bde7f77 | 57 | break; |
2262cfee WD |
58 | case 2: |
59 | /* only one arg - accept two forms: | |
8bde7f77 WD |
60 | * just load address, or just boot file name. |
61 | * The latter form must be written "filename" here. | |
62 | */ | |
63 | if (argv[1][0] == '"') { /* just boot filename */ | |
64 | name = argv [1]; | |
65 | } else { /* load address */ | |
66 | load_addr = simple_strtoul(argv[1], NULL, 16); | |
67 | } | |
68 | break; | |
2262cfee | 69 | case 3: |
8bde7f77 WD |
70 | load_addr = simple_strtoul(argv[1], NULL, 16); |
71 | name = argv [2]; | |
72 | break; | |
2262cfee | 73 | default: |
4c12eeb8 | 74 | return CMD_RET_USAGE; |
2262cfee WD |
75 | } |
76 | ||
77 | /* Init physical layer */ | |
78 | if (!fdc_fdos_init (drive)) { | |
8bde7f77 | 79 | return (-1); |
2262cfee | 80 | } |
8bde7f77 | 81 | |
2262cfee WD |
82 | /* Open file */ |
83 | if (dos_open (name) < 0) { | |
8bde7f77 WD |
84 | printf ("Unable to open %s\n", name); |
85 | return 1; | |
2262cfee WD |
86 | } |
87 | if ((size = dos_read (load_addr)) < 0) { | |
8bde7f77 WD |
88 | printf ("boot error\n"); |
89 | return 1; | |
2262cfee WD |
90 | } |
91 | flush_cache (load_addr, size); | |
92 | ||
41ef372c | 93 | setenv_hex("filesize", size); |
2262cfee WD |
94 | |
95 | printf("Floppy DOS load complete: %d bytes loaded to 0x%lx\n", | |
8bde7f77 WD |
96 | size, load_addr); |
97 | ||
67d668bf | 98 | return bootm_maybe_autostart(cmdtp, argv[0]); |
2262cfee WD |
99 | } |
100 | ||
101 | /*----------------------------------------------------------------------------- | |
8bde7f77 | 102 | * do_fdosls -- |
2262cfee WD |
103 | *----------------------------------------------------------------------------- |
104 | */ | |
54841ab5 | 105 | int do_fdosls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
2262cfee WD |
106 | { |
107 | char *path = ""; | |
6d0f6bcf | 108 | int drive = CONFIG_SYS_FDC_DRIVE_NUMBER; |
8bde7f77 | 109 | |
2262cfee WD |
110 | switch (argc) { |
111 | case 1: | |
8bde7f77 | 112 | break; |
2262cfee | 113 | case 2: |
8bde7f77 WD |
114 | path = argv [1]; |
115 | break; | |
2262cfee WD |
116 | } |
117 | ||
118 | /* Init physical layer */ | |
119 | if (!fdc_fdos_init (drive)) { | |
8bde7f77 | 120 | return (-1); |
2262cfee WD |
121 | } |
122 | /* Open directory */ | |
123 | if (dos_open (path) < 0) { | |
8bde7f77 WD |
124 | printf ("Unable to open %s\n", path); |
125 | return 1; | |
2262cfee WD |
126 | } |
127 | return (dos_dir ()); | |
128 | } | |
129 | ||
0d498393 WD |
130 | U_BOOT_CMD( |
131 | fdosboot, 3, 0, do_fdosboot, | |
2fb2604d | 132 | "boot from a dos floppy file", |
a89c33db | 133 | "[loadAddr] [filename]" |
8bde7f77 WD |
134 | ); |
135 | ||
0d498393 WD |
136 | U_BOOT_CMD( |
137 | fdosls, 2, 0, do_fdosls, | |
2fb2604d | 138 | "list files in a directory", |
a89c33db | 139 | "[directory]" |
8bde7f77 | 140 | ); |