/* * This file is part of the coreboot project. * * Original take from digitallogic/adl855pc * * Copyright (C) 2010 Travelping GmbH * * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include "pc80/udelay_io.c" #include #include #include "southbridge/intel/i82801dx/i82801dx.h" #include "southbridge/intel/i82801dx/i82801dx_early_smbus.c" #include "northbridge/intel/i855/raminit.h" #include "northbridge/intel/i855/debug.c" #include "superio/winbond/w83627thg/w83627thg_early_serial.c" #include "cpu/x86/mtrr/earlymtrr.c" #include "cpu/x86/bist.h" #define SERIAL_DEV PNP_DEV(0x2e, W83627THG_SP1) static inline int spd_read_byte(unsigned device, unsigned address) { return smbus_read_byte(device, address); } #include "northbridge/intel/i855/raminit.c" #include "northbridge/intel/i855/reset_test.c" #include "lib/generic_sdram.c" void main(unsigned long bist) { static const struct mem_controller memctrl[] = { { .d0 = PCI_DEV(0, 0, 1), .channel0 = { DIMM0, 0 }, }, }; if (bist == 0) { #if 0 enable_lapic(); init_timer(); #endif } w83627thg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); uart_init(); console_init(); /* Halt if there was a built in self test failure */ report_bist_failure(bist); #if 0 print_pci_devices(); #endif if(!bios_reset_detected()) { enable_smbus(); #if 1 dump_spd_registers(&memctrl[0]); dump_smbus_registers(); #endif sdram_initialize(ARRAY_SIZE(memctrl), memctrl); } #if 0 dump_pci_devices(); dump_pci_device(PCI_DEV(0, 0, 0)); // Check all of memory ram_check(0x00000000, msr.lo+(msr.hi<<32)); // Check 16MB of memory @ 0 ram_check(0x00000000, 0x01000000); // Check 16MB of memory @ 2GB ram_check(0x80000000, 0x81000000); #endif }