upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.6 KiB
98 lines
2.6 KiB
15 years ago
|
/*
|
||
|
|
* (C) Copyright 2010 DENX Software Engineering,
|
||
|
|
* Anatolij Gustschin, agust@denx.de.
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Co-Processor communication POST
|
||
|
|
*/
|
||
|
|
#include <common.h>
|
||
|
|
#include <post.h>
|
||
|
|
#include <serial.h>
|
||
|
|
|
||
|
|
#if defined(CONFIG_SERIAL_MULTI)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Actually the termination sequence of the coprocessor
|
||
|
|
* commands is "\r\n" (CR LF), but here we use a side effect of
|
||
|
|
* the putc() routine of the serial driver which checks for LF
|
||
|
|
* and sends CR before sending LF. Therefore the termination
|
||
|
|
* sequence in the command below is only "\n".
|
||
|
|
* "alive" string is the coprocessor response for ping command
|
||
|
|
* and not a command, therefore it is terminated with "\r\n".
|
||
|
|
*/
|
||
|
|
char alive[] = "$AL;38\r\n";
|
||
|
|
char ping[] = "$PI;2C\n";
|
||
|
|
|
||
|
|
int coprocessor_post_test(int flags)
|
||
|
|
{
|
||
|
|
struct stdio_dev *cop_port;
|
||
|
|
int ret;
|
||
|
|
char buf[10];
|
||
|
|
|
||
|
|
/* Test IO Coprocessor communication */
|
||
|
|
cop_port = open_port(4, CONFIG_SYS_PDM360NG_COPROC_BAUDRATE);
|
||
|
|
if (!cop_port)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
write_port(cop_port, ping);
|
||
|
|
udelay(CONFIG_SYS_PDM360NG_COPROC_READ_DELAY);
|
||
|
|
|
||
|
|
memset(buf, 0, sizeof(buf));
|
||
|
|
ret = read_port(cop_port, buf, sizeof(buf));
|
||
|
|
close_port(4);
|
||
|
|
if (ret <= 0) {
|
||
|
|
post_log("Error: Can't read IO Coprocessor port.\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strcmp(buf, alive)) {
|
||
|
|
post_log("Error: IO-Cop. resp.: %s\n", buf);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Test WD Coprocessor communication */
|
||
|
|
cop_port = open_port(1, CONFIG_SYS_PDM360NG_COPROC_BAUDRATE);
|
||
|
|
if (!cop_port) {
|
||
|
|
post_log("Error: Can't open WD Coprocessor port.\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
write_port(cop_port, ping);
|
||
|
|
udelay(CONFIG_SYS_PDM360NG_COPROC_READ_DELAY);
|
||
|
|
|
||
|
|
memset(buf, 0, sizeof(buf));
|
||
|
|
ret = read_port(cop_port, buf, sizeof(buf));
|
||
|
|
close_port(1);
|
||
|
|
if (ret <= 0) {
|
||
|
|
post_log("Error: Can't read WD Coprocessor port.\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strcmp(buf, alive)) {
|
||
|
|
post_log("Error: WD-Cop. resp.: %s\n", buf);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_SERIAL_MULTI */
|