| /* |
| * 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 <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, ETR3, 0x10000); |
| } |
| |
| void mainboard_rcba_config(void) |
| { |
| } |
| |
| void mainboard_early_init(int s3resume) |
| { |
| hybrid_graphics_init(); |
| } |
| |
| void mainboard_config_superio(void) |
| { |
| } |