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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
* Copyright (C) 2013 Vladimir Serbinenko <phcoder@gmail.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; 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 <arch/io.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <cpu/x86/lapic.h>
#include <romstage_handoff.h>
#include <console/console.h>
#include <cpu/intel/romstage.h>
#include <ec/acpi/ec.h>
#include <timestamp.h>
#include <arch/acpi.h>
#include <southbridge/intel/ibexpeak/pch.h>
#include <northbridge/intel/nehalem/nehalem.h>
#include <northbridge/intel/nehalem/raminit.h>
#include <southbridge/intel/ibexpeak/me.h>
static void pch_enable_lpc(void)
{
/* Enable EC, PS/2 Keyboard/Mouse */
pci_write_config16(PCH_LPC_DEV, LPC_EN,
CNF2_LPC_EN | CNF1_LPC_EN | MC_LPC_EN | KBC_LPC_EN |
COMA_LPC_EN);
pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, (0x68 & ~3) | 0x00040001);
pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x10);
pci_write_config32(PCH_LPC_DEV, 0xd0, 0x0);
pci_write_config32(PCH_LPC_DEV, 0xdc, 0x8);
pci_write_config8(PCH_LPC_DEV, GEN_PMCON_3,
(pci_read_config8(PCH_LPC_DEV, GEN_PMCON_3) & ~2) | 1);
pci_write_config32(PCH_LPC_DEV, ETR3,
pci_read_config32(PCH_LPC_DEV, ETR3) & ~ETR3_CF9GR);
}
static void rcba_config(void)
{
southbridge_configure_default_intmap();
static const u32 rcba_dump3[] = {
/* 3310 */ 0x02060100, 0x0000000f, 0x01020000, 0x80000000,
/* 3320 */ 0x00000000, 0x04000000, 0x00000000, 0x00000000,
/* 3330 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3340 */ 0x000fffff, 0x00000000, 0x00000000, 0x00000000,
/* 3350 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3360 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3370 */ 0x00000000, 0x00000000, 0x7f8fdfff, 0x00000000,
/* 3380 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3390 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 33a0 */ 0x00003900, 0x00000000, 0x00000000, 0x00000000,
/* 33b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 33c0 */ 0x00010000, 0x00000000, 0x00000000, 0x0001004b,
/* 33d0 */ 0x06000008, 0x00010000, 0x00000000, 0x00000000,
/* 33e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 33f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3400 */ 0x0000001c, 0x00000080, 0x00000000, 0x00000000,
/* 3410 */ 0x00000c61, 0x00000000, 0x16fc1fe1, 0xbf4f001f,
/* 3420 */ 0x00000000, 0x00060010, 0x0000001d, 0x00000000,
/* 3430 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3440 */ 0xdeaddeed, 0x00000000, 0x00000000, 0x00000000,
/* 3450 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3460 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3470 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3480 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3490 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 34a0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 34b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 34c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 34d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 34e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 34f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3500 */ 0x20000557, 0x2000055f, 0x2000074b, 0x2000074b,
/* 3510 */ 0x20000557, 0x2000014b, 0x2000074b, 0x2000074b,
/* 3520 */ 0x2000074b, 0x2000074b, 0x2000055f, 0x2000055f,
/* 3530 */ 0x20000557, 0x2000055f, 0x00000000, 0x00000000,
/* 3540 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3550 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3560 */ 0x00000001, 0x000026a3, 0x00040002, 0x01000052,
/* 3570 */ 0x02000772, 0x16000f8f, 0x1800ff4f, 0x0001d630,
/* 3580 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3590 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 35a0 */ 0xfc000201, 0x3c000201, 0x00000000, 0x00000000,
/* 35b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 35c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 35d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 35e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 35f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3600 */ 0x0a001f00, 0x00000000, 0x00000000, 0x00000001,
/* 3610 */ 0x00010000, 0x00000000, 0x00000000, 0x00000000,
/* 3620 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3630 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3640 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3650 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3660 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3670 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3680 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3690 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 36a0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 36b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 36c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 36d0 */ 0x00000000, 0x089c0018, 0x00000000, 0x00000000,
/* 36e0 */ 0x11111111, 0x00000000, 0x00000000, 0x00000000,
/* 36f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3700 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3710 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3720 */ 0x00000000, 0x4e564d49, 0x00000000, 0x00000000,
};
unsigned i;
for (i = 0; i < sizeof(rcba_dump3) / 4; i++) {
RCBA32(4 * i + 0x3310) = rcba_dump3[i];
(void)RCBA32(4 * i + 0x3310);
}
}
static inline void write_acpi32(u32 addr, u32 val)
{
outl(val, DEFAULT_PMBASE | addr);
}
static inline void write_acpi16(u32 addr, u16 val)
{
outw(val, DEFAULT_PMBASE | addr);
}
static inline u32 read_acpi32(u32 addr)
{
return inl(DEFAULT_PMBASE | addr);
}
// unused func - used for RE
#if 0
static inline u16 read_acpi16(u32 addr)
{
return inw(DEFAULT_PMBASE | addr);
}
#endif
void mainboard_romstage_entry(void)
{
u32 reg32;
int s3resume = 0;
const u8 spd_addrmap[4] = { 0x50, 0, 0x52, 0 };
/* SERR pin is confused on reset. Clear NMI. */
outb(4, 0x61);
outb(0, 0x61);
enable_lapic();
nehalem_early_initialization(NEHALEM_MOBILE);
pch_enable_lpc();
/* Enable GPIOs */
pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE | 1);
pci_write_config8(PCH_LPC_DEV, GPIO_CNTL, 0x10);
outl (0x796bd9c3, DEFAULT_GPIOBASE);
outl (0x86fec7c2, DEFAULT_GPIOBASE + 4);
outl (0xe4e8d7fe, DEFAULT_GPIOBASE + 0xc);
outl (0, DEFAULT_GPIOBASE + 0x18);
outl (0x00004182, DEFAULT_GPIOBASE + 0x2c);
outl (0x123360f8, DEFAULT_GPIOBASE + 0x30);
outl (0x1f47bfa8, DEFAULT_GPIOBASE + 0x34);
outl (0xfffe7fb6, DEFAULT_GPIOBASE + 0x38);
/* This should probably go away. Until now it is required
* and mainboard specific
*/
rcba_config();
console_init();
/* Read PM1_CNT */
reg32 = inl(DEFAULT_PMBASE + 0x04);
printk(BIOS_DEBUG, "PM1_CNT: %08x\n", reg32);
if (((reg32 >> 10) & 7) == 5) {
u8 reg8;
reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2);
printk(BIOS_DEBUG, "a2: %02x\n", reg8);
if (!(reg8 & 0x20)) {
outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04);
printk(BIOS_DEBUG, "Bad resume from S3 detected.\n");
} else {
if (acpi_s3_resume_allowed()) {
printk(BIOS_DEBUG, "Resume from S3 detected.\n");
s3resume = 1;
} else {
printk(BIOS_DEBUG,
"Resume from S3 detected, but disabled.\n");
}
}
}
/* Enable SMBUS. */
enable_smbus();
write_acpi16(0x2, 0x0);
write_acpi32(0x28, 0x0);
write_acpi32(0x2c, 0x0);
if (!s3resume) {
read_acpi32(0x4);
read_acpi32(0x20);
read_acpi32(0x34);
write_acpi16(0x0, 0x900);
write_acpi32(0x20, 0xffff7ffe);
write_acpi32(0x34, 0x56974);
pci_write_config8(PCH_LPC_DEV, GEN_PMCON_3,
pci_read_config8(PCH_LPC_DEV, GEN_PMCON_3) | 2);
}
early_thermal_init();
timestamp_add_now(TS_BEFORE_INITRAM);
chipset_init(s3resume);
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);
}
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