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/*
* 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 <arch/byteorder.h>
#include <arch/io.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <northbridge/intel/sandybridge/raminit_native.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <drivers/lenovo/hybrid_graphics/hybrid_graphics.h>
#include <device/device.h>
#include <device/pci.h>
static void hybrid_graphics_init(void)
{
bool peg, igd;
u32 reg32;
early_hybrid_graphics(&igd, &peg);
if (peg && igd)
return;
/* Hide disabled devices */
reg32 = pci_read_config32(PCI_DEV(0, 0, 0), DEVEN);
reg32 &= ~(DEVEN_PEG10 | DEVEN_IGD);
if (peg)
reg32 |= DEVEN_PEG10;
if (igd)
reg32 |= DEVEN_IGD;
else
/* Disable IGD VGA decode, no GTT or GFX stolen */
pci_write_config16(PCI_DEV(0, 0, 0), GGC, 2);
pci_write_config32(PCI_DEV(0, 0, 0), DEVEN, reg32);
}
void pch_enable_lpc(void)
{
/* EC Decode Range Port60/64, Port62/66 */
/* 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);
pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0x7c1601);
pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, 0xc15e1);
pci_write_config32(PCH_LPC_DEV, LPC_GEN4_DEC, 0x0c06a1);
pci_write_config32(PCH_LPC_DEV, ETR3, 0x10000);
}
void mainboard_rcba_config(void)
{
}
void mainboard_early_init(int s3resume)
{
hybrid_graphics_init();
}
void mainboard_config_superio(void)
{
}
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