mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-27 15:12:21 +00:00
f0c0b3a9e6
A large number of boards incorrectly used getenv() in their board init code running before relocation. In some cases this caused U-Boot to hang when certain environment variables grew too long. Fix the code to use getenv_r(). Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: The LEOX team <team@leox.org> Cc: Michael Schwingen <michael@schwingen.org> Cc: Georg Schardt <schardt@team-ctech.de> Cc: Werner Pfister <Pfister_Werner@intercontrol.de> Cc: Dirk Eibach <eibach@gdsys.de> Cc: Peter De Schrijver <p2@mind.be> Cc: John Zhan <zhanz@sinovee.com> Cc: Rishi Bhattacharya <rishi@ti.com> Cc: Peter Tyser <ptyser@xes-inc.com>
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
|
|
* (C) Copyright 2008
|
|
* Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
|
|
*
|
|
* Based in part on board/icecube/icecube.c from PPCBoot
|
|
* (C) Copyright 2003 Intrinsyc Software
|
|
*
|
|
* 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>
|
|
#include <malloc.h>
|
|
#include <environment.h>
|
|
#include <logbuff.h>
|
|
#include <post.h>
|
|
|
|
#include <asm/processor.h>
|
|
#include <asm/io.h>
|
|
#include <asm/ppc4xx-gpio.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
/* taken from PPCBoot */
|
|
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
|
|
mtdcr(UIC0ER, 0x00000000); /* disable all ints */
|
|
mtdcr(UIC0CR, 0x00000000);
|
|
mtdcr(UIC0PR, 0xFFFF7FFE); /* set int polarities */
|
|
mtdcr(UIC0TR, 0x00000000); /* set int trigger levels */
|
|
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
|
|
mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
|
|
|
|
mtdcr(CPC0_SRR, 0x00040000); /* Hold PCI bridge in reset */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Check Board Identity:
|
|
*/
|
|
int checkboard(void)
|
|
{
|
|
char buf[64];
|
|
int i = getenv_f("serial#", buf, sizeof(buf));
|
|
#ifdef DISPLAY_BOARD_INFO
|
|
sys_info_t sysinfo;
|
|
#endif
|
|
|
|
puts("Board: Quad100hd");
|
|
|
|
if (i > 0) {
|
|
puts(", serial# ");
|
|
puts(buf);
|
|
}
|
|
putc('\n');
|
|
|
|
#ifdef DISPLAY_BOARD_INFO
|
|
/* taken from ppcboot */
|
|
get_sys_info(&sysinfo);
|
|
|
|
printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz);
|
|
printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
|
|
printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
|
|
printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
|
|
printf("\tEPB: %lu MHz\n", sysinfo.freqPLB / (sysinfo.pllExtBusDiv *
|
|
1000000));
|
|
printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|