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https://github.com/u-boot/u-boot.git
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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>
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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* (C) Copyright 2008
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* Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
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*
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* Based in part on board/icecube/icecube.c from PPCBoot
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* (C) Copyright 2003 Intrinsyc Software
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <malloc.h>
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#include <environment.h>
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#include <logbuff.h>
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#include <post.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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#include <asm/ppc4xx-gpio.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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{
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/* taken from PPCBoot */
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mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
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mtdcr(UIC0ER, 0x00000000); /* disable all ints */
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mtdcr(UIC0CR, 0x00000000);
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mtdcr(UIC0PR, 0xFFFF7FFE); /* set int polarities */
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mtdcr(UIC0TR, 0x00000000); /* set int trigger levels */
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mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
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mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
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mtdcr(CPC0_SRR, 0x00040000); /* Hold PCI bridge in reset */
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return 0;
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}
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/*
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* Check Board Identity:
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*/
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int checkboard(void)
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{
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char buf[64];
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int i = getenv_f("serial#", buf, sizeof(buf));
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#ifdef DISPLAY_BOARD_INFO
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sys_info_t sysinfo;
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#endif
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puts("Board: Quad100hd");
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if (i > 0) {
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puts(", serial# ");
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puts(buf);
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}
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putc('\n');
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#ifdef DISPLAY_BOARD_INFO
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/* taken from ppcboot */
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get_sys_info(&sysinfo);
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printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz);
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printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
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printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
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printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
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printf("\tEPB: %lu MHz\n", sysinfo.freqPLB / (sysinfo.pllExtBusDiv *
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1000000));
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printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);
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#endif
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return 0;
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}
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