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-rw-r--r--src/cpu/amd/agesa/family16kb/fixme.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/cpu/amd/agesa/family16kb/fixme.c b/src/cpu/amd/agesa/family16kb/fixme.c
new file mode 100644
index 0000000000..c1e915c735
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+++ b/src/cpu/amd/agesa/family16kb/fixme.c
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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.
+ *
+ * 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 SB800 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);
+}