/* * (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/gpio.h> DECLARE_GLOBAL_DATA_PTR; int board_early_init_f(void) { /* taken from PPCBoot */ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr(uicer, 0x00000000); /* disable all ints */ mtdcr(uiccr, 0x00000000); mtdcr(uicpr, 0xFFFF7FFE); /* set int polarities */ mtdcr(uictr, 0x00000000); /* set int trigger levels */ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr(uicvcr, 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 *s = getenv("serial#"); #ifdef DISPLAY_BOARD_INFO sys_info_t sysinfo; #endif puts("Board: Quad100hd"); if (s != NULL) { puts(", serial# "); puts(s); } 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; }