blob: d88b3876dc29215e410c3dc101dbc65dcdd10484 [file] [log] [blame]
Stefan Roese2076d0a2006-01-18 20:03:15 +01001/*
2 * (C) Copyright 2005
3 * Matthias Fuchs, esd GmbH Germany, matthias.fuchs@esd-electronics.com
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26
Jon Loeligerb9307262007-07-09 18:24:55 -050027#if defined(CONFIG_CMD_BSP)
Stefan Roese2076d0a2006-01-18 20:03:15 +010028
29extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
30extern int do_autoscript (cmd_tbl_t *, int, int, char *[]);
31
32#define ADDRMASK 0xfffff000
33
34/*
35 * Command loadpci: wait for signal from host and boot image.
36 */
37int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
38{
39 unsigned int *ptr = 0;
40 int count = 0;
41 int count2 = 0;
42 char addr[16];
43 char str[] = "\\|/-";
44 char *local_args[2];
45
46 while(1) {
47 /*
48 * Mark sync address
49 */
50 ptr = 0;
51 memset(ptr, 0, 0x20);
52
53 *ptr = 0xffffffff;
54 puts("\nWaiting for action from pci host -");
55
56 /*
57 * Wait for host to write the start address
58 */
59 while (*ptr == 0xffffffff) {
60 count++;
61 if (!(count % 100)) {
62 count2++;
63 putc(0x08); /* backspace */
64 putc(str[count2 % 4]);
65 }
66
67 /* Abort if ctrl-c was pressed */
68 if (ctrlc()) {
69 puts("\nAbort\n");
70 return 0;
71 }
72
73 udelay(1000);
74 }
75
76 printf("\nGot bootcode %08x: ", *ptr);
77 sprintf(addr, "%08x", *ptr & ADDRMASK);
78
79 switch (*ptr & ~ADDRMASK) {
80 case 0:
81 /*
82 * Boot image via bootm
83 */
84 printf("booting image at addr 0x%s ...\n", addr);
85 setenv("loadaddr", addr);
86
87 do_bootm (cmdtp, 0, 0, NULL);
88 break;
89
90 case 1:
91 /*
92 * Boot image via autoscr
93 */
94 printf("executing script at addr 0x%s ...\n", addr);
95
96 local_args[0] = addr;
97 local_args[1] = NULL;
98 do_autoscript(cmdtp, 0, 1, local_args);
99 break;
100
101 case 2:
102 /*
103 * Call run_cmd
104 */
105 printf("running command at addr 0x%s ...\n", addr);
106 run_command ((char*)(*ptr & ADDRMASK), 0);
107 break;
108
109 default:
110 printf("unhandled boot method\n");
111 break;
112 }
113 }
114}
115
116U_BOOT_CMD(
117 loadpci, 1, 1, do_loadpci,
118 "loadpci - Wait for pci bootcmd and boot it\n",
119 NULL
120 );
121
122#endif