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* Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
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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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* See file CREDITS for list of people who contributed to this
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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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* 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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* 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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#include <environment.h>
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#include <asm/processor.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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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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* Check Board Identity:
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char *s = getenv("serial#");
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#ifdef DISPLAY_BOARD_INFO
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puts("Board: Quad100hd");
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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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printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);