1 files changed, 97 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/fixme.c b/src/soc/amd/stoneyridge/fixme.c
new file mode 100644
index 0000000000..781d0097b0
--- /dev/null
+++ b/src/soc/amd/stoneyridge/fixme.c
@@ -0,0 +1,97 @@
+/*
+ * 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/pi/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);
+	/* last address before processor local APIC at FEE00000 */
+	PciData = 0x00FEDF00;
+	PciData |= 1 << 7;    /* set NP (non-posted) bit */
+	LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
+	PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x80);
+	/* lowest NP address is HPET at FED00000 */
+	PciData = (0xFED00000 >> 8) | 3;
+	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;
+	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);
+
+	/* For serial port */
+	PciData = 0xFF03FFD5;
+	PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x14, 0x3, 0x44);
+	LibAmdPciWrite(AccessWidth32, 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);
+
+	if (IS_ENABLED(CONFIG_UDELAY_LAPIC)){
+		LibAmdMsrRead(0x1B, &MsrReg, &StdHeader);
+		MsrReg |= 1 << 11;
+		LibAmdMsrWrite(0x1B, &MsrReg, &StdHeader);
+	}
+}