diff options
Diffstat (limited to 'src/cpu/amd/agesa/family12/fixme.c')
| -rw-r--r-- | src/cpu/amd/agesa/family12/fixme.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/cpu/amd/agesa/family12/fixme.c b/src/cpu/amd/agesa/family12/fixme.c new file mode 100644 index 0000000000..8c495aa0e2 --- /dev/null +++ b/src/cpu/amd/agesa/family12/fixme.c @@ -0,0 +1,113 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#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); +} |