| /* |
| * This file is part of the coreboot project. |
| * |
| * Original take from digitallogic/adl855pc |
| * |
| * Copyright (C) 2010 Travelping GmbH <info@travelping.com> |
| * |
| * 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. |
| */ |
| |
| #include <stdint.h> |
| #include <device/pci_def.h> |
| #include <arch/io.h> |
| #include <device/pnp_def.h> |
| #include <stdlib.h> |
| #include <lib.h> |
| #include <spd.h> |
| #include <pc80/mc146818rtc.h> |
| #include <console/console.h> |
| #include <southbridge/intel/i82801dx/i82801dx.h> |
| #include <northbridge/intel/i855/raminit.h> |
| #include "northbridge/intel/i855/debug.c" |
| #include <superio/winbond/common/winbond.h> |
| #include <superio/winbond/w83627thg/w83627thg.h> |
| #include <cpu/x86/bist.h> |
| #include <cpu/intel/romstage.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" |
| |
| void mainboard_romstage_entry(unsigned long bist) |
| { |
| if (bist == 0) { |
| #if 0 |
| enable_lapic(); |
| init_timer(); |
| #endif |
| } |
| |
| winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| 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(); |
| dump_smbus_registers(); |
| #endif |
| sdram_set_registers(); |
| sdram_set_spd_registers(); |
| sdram_enable(); |
| } |
| } |