mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-20 11:43:22 +00:00
122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
/*
|
|
* (C) Copyright 2005
|
|
* Matthias Fuchs, esd GmbH Germany, matthias.fuchs@esd-electronics.com
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
|
|
#if defined(CONFIG_CMD_BSP)
|
|
|
|
extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
|
|
extern int do_autoscript (cmd_tbl_t *, int, int, char *[]);
|
|
|
|
#define ADDRMASK 0xfffff000
|
|
|
|
/*
|
|
* Command loadpci: wait for signal from host and boot image.
|
|
*/
|
|
int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
unsigned int *ptr = 0;
|
|
int count = 0;
|
|
int count2 = 0;
|
|
char addr[16];
|
|
char str[] = "\\|/-";
|
|
char *local_args[2];
|
|
|
|
while(1) {
|
|
/*
|
|
* Mark sync address
|
|
*/
|
|
ptr = 0;
|
|
memset(ptr, 0, 0x20);
|
|
|
|
*ptr = 0xffffffff;
|
|
puts("\nWaiting for action from pci host -");
|
|
|
|
/*
|
|
* Wait for host to write the start address
|
|
*/
|
|
while (*ptr == 0xffffffff) {
|
|
count++;
|
|
if (!(count % 100)) {
|
|
count2++;
|
|
putc(0x08); /* backspace */
|
|
putc(str[count2 % 4]);
|
|
}
|
|
|
|
/* Abort if ctrl-c was pressed */
|
|
if (ctrlc()) {
|
|
puts("\nAbort\n");
|
|
return 0;
|
|
}
|
|
|
|
udelay(1000);
|
|
}
|
|
|
|
printf("\nGot bootcode %08x: ", *ptr);
|
|
sprintf(addr, "%08x", *ptr & ADDRMASK);
|
|
|
|
switch (*ptr & ~ADDRMASK) {
|
|
case 0:
|
|
/*
|
|
* Boot image via bootm
|
|
*/
|
|
printf("booting image at addr 0x%s ...\n", addr);
|
|
setenv("loadaddr", addr);
|
|
|
|
do_bootm (cmdtp, 0, 0, NULL);
|
|
break;
|
|
|
|
case 1:
|
|
/*
|
|
* Boot image via autoscr
|
|
*/
|
|
printf("executing script at addr 0x%s ...\n", addr);
|
|
|
|
local_args[0] = addr;
|
|
local_args[1] = NULL;
|
|
do_autoscript(cmdtp, 0, 1, local_args);
|
|
break;
|
|
|
|
case 2:
|
|
/*
|
|
* Call run_cmd
|
|
*/
|
|
printf("running command at addr 0x%s ...\n", addr);
|
|
run_command ((char*)(*ptr & ADDRMASK), 0);
|
|
break;
|
|
|
|
default:
|
|
printf("unhandled boot method\n");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
loadpci, 1, 1, do_loadpci,
|
|
"loadpci - Wait for pci bootcmd and boot it\n",
|
|
NULL
|
|
);
|
|
|
|
#endif
|