diff options
Diffstat (limited to 'src/cpu/amd/agesa/family15tn')
| -rw-r--r-- | src/cpu/amd/agesa/family15tn/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/cpu/amd/agesa/family15tn/fixme.c | 91 |
2 files changed, 94 insertions, 0 deletions
diff --git a/src/cpu/amd/agesa/family15tn/Makefile.inc b/src/cpu/amd/agesa/family15tn/Makefile.inc index a8f644d241..b08877ff40 100644 --- a/src/cpu/amd/agesa/family15tn/Makefile.inc +++ b/src/cpu/amd/agesa/family15tn/Makefile.inc @@ -17,6 +17,9 @@ # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # +romstage-y += fixme.c + +ramstage-y += fixme.c ramstage-y += chip_name.c ramstage-y += model_15_init.c diff --git a/src/cpu/amd/agesa/family15tn/fixme.c b/src/cpu/amd/agesa/family15tn/fixme.c new file mode 100644 index 0000000000..f032f02fdb --- /dev/null +++ b/src/cpu/amd/agesa/family15tn/fixme.c @@ -0,0 +1,91 @@ +/* + * 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 legacy video routing: D18F1xF4 VGA Enable */ + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 0x18, 1, 0xF4); + PciData = 1; + LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader); + + /* The platform BIOS needs to ensure the memory ranges of Hudson legacy + * devices (TPM, HPET, BIOS RAM, Watchdog Timer, I/O APIC and ACPI) are + * set to non-posted regions. + */ + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 0x18, 1, 0x84); + PciData = 0x00FEDF00; /* last address before processor local APIC at FEE00000 */ + PciData |= 1 << 7; /* set NP (non-posted) bit */ + LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader); + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 0x18, 1, 0x80); + PciData = (0xFED00000 >> 8) | 3; /* lowest NP address is HPET at FED00000 */ + LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader); + + /* Map the remaining PCI hole as posted MMIO */ + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 0x18, 1, 0x8C); + PciData = 0x00FECF00; /* last address before non-posted range */ + 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); + + /* Send all IO (0000-FFFF) to southbridge. */ + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 0x18, 1, 0xC4); + PciData = 0x0000F000; + LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader); + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 0x18, 1, 0xC0); + PciData = 0x00000003; + LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader); +} + +void amd_initmmio(void) +{ + UINT64 MsrReg; + 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 | 0x0000400000000000; + LibAmdMsrWrite (0xC001001F, &MsrReg, &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); +} |