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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc.
*
* 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 <cpu/x86/mtrr.h>
#include <northbridge/amd/agesa/agesawrapper.h>
#include "amdlib.h"
void amd_initcpuio(void)
{
UINT64 MsrReg;
UINT32 PciData;
PCI_ADDR PciAddress;
AMD_CONFIG_PARAMS StdHeader;
/* Enable MMIO on AMD CPU Address Map Controller */
/* Start to set MMIO 0000A0000-0000BFFFF to Node0 Link0 */
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x84);
PciData = 0x00000B00;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x80);
PciData = 0x00000A03;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
/* Set TOM-DFFFFFFF to Node0 Link0. */
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x8C);
PciData = 0x00DFFF00;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
LibAmdMsrRead(0xC001001A, &MsrReg, &StdHeader);
MsrReg = (MsrReg >> 8) | 3;
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x88);
PciData = (UINT32) MsrReg;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
/* Set E0000000-FFFFFFFF to Node0 Link0 with NP set. */
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0xBC);
PciData = 0x00FFFF00 | 0x80;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0xB8);
PciData = (CONFIG_MMCONF_BASE_ADDRESS >> 8) | 03;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
/* Start to set PCIIO 0000-FFFF to Node0 Link0 with ISA&VGA set. */
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0xC4);
//- PciData = 0x0000F000;
PciData = 0x00FFF000;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0xC0);
PciData = 0x00000013;
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
}
void amd_initmmio(void)
{
UINT64 MsrReg;
UINT32 PciData;
PCI_ADDR PciAddress;
AMD_CONFIG_PARAMS StdHeader;
/*
Set the MMIO Configuration Base Address and Bus Range onto MMIO configuration base
Address MSR register.
*/
MsrReg = CONFIG_MMCONF_BASE_ADDRESS | (LibAmdBitScanReverse(CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader);
/*
Set the NB_CFG MSR register. Enable CF8 extended configuration cycles.
*/
LibAmdMsrRead(0xC001001F, &MsrReg, &StdHeader);
MsrReg = MsrReg | 0x0000400000000000ull;
LibAmdMsrWrite(0xC001001F, &MsrReg, &StdHeader);
/* Enable Non-Post Memory in CPU */
PciData = CONFIG_MMCONF_BASE_ADDRESS + (CONFIG_MMCONF_BUS_NUMBER * 0x100000) - 1;
PciData = (PciData >> 8) & ~0xff;
PciData |= 0x80;
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x018, 0x01, 0xA4);
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
PciData = ((CONFIG_MMCONF_BASE_ADDRESS >> 8) | 0x03);
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x018, 0x01, 0xA0);
LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
/* Enable memory access */
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04);
LibAmdPciRead(AccessWidth8, PciAddress, &PciData, &StdHeader);
PciData |= BIT1;
PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0x04);
LibAmdPciWrite(AccessWidth8, PciAddress, &PciData, &StdHeader);
/* Set ROM cache onto WP to decrease post time */
MsrReg = (0x0100000000ull - CACHE_ROM_SIZE) | 5ull;
LibAmdMsrWrite(0x20C, &MsrReg, &StdHeader);
MsrReg = ((1ULL << CONFIG_CPU_ADDR_BITS) - CACHE_ROM_SIZE) | 0x800ull;
LibAmdMsrWrite(0x20D, &MsrReg, &StdHeader);
}
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