| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2010 coresystems GmbH |
| * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
| * Copyright (C) 2014 Vladimir Serbinenko |
| * |
| * 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; version 2 of the License. |
| * |
| * 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 <console/console.h> |
| #include <cf9_reset.h> |
| #include <device/pci_ops.h> |
| #include <cpu/x86/lapic.h> |
| #include <timestamp.h> |
| #include <romstage_handoff.h> |
| #include "nehalem.h" |
| #include <arch/romstage.h> |
| #include <device/pci_def.h> |
| #include <device/device.h> |
| #include <northbridge/intel/nehalem/chip.h> |
| #include <northbridge/intel/nehalem/raminit.h> |
| #include <southbridge/intel/common/pmclib.h> |
| #include <southbridge/intel/ibexpeak/pch.h> |
| #include <southbridge/intel/ibexpeak/me.h> |
| |
| /* Platform has no romstage entry point under mainboard directory, |
| * so this one is named with prefix mainboard. |
| */ |
| void mainboard_romstage_entry(void) |
| { |
| u32 reg32; |
| int s3resume = 0; |
| u8 spd_addrmap[4] = {}; |
| |
| enable_lapic(); |
| |
| /* TODO, make this configurable */ |
| nehalem_early_initialization(NEHALEM_MOBILE); |
| |
| early_pch_init(); |
| |
| s3resume = southbridge_detect_s3_resume(); |
| if (s3resume) { |
| u8 reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2); |
| if (!(reg8 & 0x20)) { |
| s3resume = 0; |
| printk(BIOS_DEBUG, "Bad resume from S3 detected.\n"); |
| } |
| } |
| |
| /* Enable SMBUS. */ |
| enable_smbus(); |
| |
| early_thermal_init(); |
| |
| timestamp_add_now(TS_BEFORE_INITRAM); |
| |
| chipset_init(s3resume); |
| |
| mainboard_pre_raminit(); |
| |
| mainboard_get_spd_map(spd_addrmap); |
| |
| raminit(s3resume, spd_addrmap); |
| |
| timestamp_add_now(TS_AFTER_INITRAM); |
| |
| intel_early_me_status(); |
| |
| if (s3resume) { |
| /* Clear SLP_TYPE. This will break stage2 but |
| * we care for that when we get there. |
| */ |
| reg32 = inl(DEFAULT_PMBASE + 0x04); |
| outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04); |
| } |
| |
| romstage_handoff_init(s3resume); |
| } |