AGESA: Add amd_initcpuio() and amd_initmmio()

These are not wrappers for AGESA as they do not enter vendorcode at all.
We expect most of the added fixme.c file to be written without use of AMDLIB.h
and parts relocated as northbridge enable_resources().

Change-Id: Iba6d59e2a7672349208e9a65fcd2cb1094ab7d50
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7815
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

2 files changed, 116 insertions, 0 deletions

diff --git a/src/cpu/amd/agesa/family12/Makefile.inc b/src/cpu/amd/agesa/family12/Makefile.inc
index 7b6c6617fe..e372fdf3b5 100644
--- a/src/cpu/amd/agesa/family12/Makefile.inc
+++ b/src/cpu/amd/agesa/family12/Makefile.inc
@@ -27,6 +27,9 @@
 #
 #*****************************************************************************
 
+romstage-y += fixme.c
+
+ramstage-y += fixme.c
 ramstage-y += chip_name.c
 ramstage-y += model_12_init.c
 
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);
+}