diff options
| author | Kerry She <Kerry.she@amd.com> | 2011-01-01 17:44:07 +0000 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2011-01-01 17:44:07 +0000 |
| commit | 799fed98ea57fc9632b7bf95b3f1d79519cbdd15 (patch) | |
| tree | 94d053f98639980e357b9fba1b404bec153e052c /src/vendorcode/amd/cimx/sb800/PCILIB.c | |
| parent | 123edb0f688f2c6b7146929d6650751f6674a95c (diff) | |
| download | coreboot-799fed98ea57fc9632b7bf95b3f1d79519cbdd15.tar.xz | |
Add AMD SB800 southbridge CIMx code.
The main CIMx code is in a src/vendorcode directory and should not be
changed with regard to coding style etc. in order to remain easily syncable
with the "upstream" AMD code.
Signed-off-by: Kerry She <Kerry.she@amd.com>
Acked-by: Stefan Reinauer <stepan@coreboot.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6229 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/PCILIB.c')
| -rw-r--r-- | src/vendorcode/amd/cimx/sb800/PCILIB.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/PCILIB.c b/src/vendorcode/amd/cimx/sb800/PCILIB.c new file mode 100644 index 0000000000..c0611dc789 --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/PCILIB.c @@ -0,0 +1,76 @@ +/*
+ *****************************************************************************
+ *
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 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 "SBPLATFORM.h"
+
+VOID
+ReadPCI (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ OpFlag = OpFlag & 0x7f;
+
+ if ( (UINT16)Address < 0xff ) {
+ //Normal Config Access
+ UINT32 AddrCf8;
+ AddrCf8 = (1 << 31) + ((Address >> 8) & 0x0FFFF00) + (Address & 0xFC);
+ WriteIO (0xCf8, AccWidthUint32, &AddrCf8);
+ ReadIO ((UINT16) (0xCfC + (Address & 0x3)), OpFlag, Value);
+ }
+}
+
+VOID
+WritePCI (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ OpFlag = OpFlag & 0x7f;
+ if ( (UINT16)Address < 0xff ) {
+ //Normal Config Access
+ UINT32 AddrCf8;
+ AddrCf8 = (1 << 31) + ((Address >> 8)&0x0FFFF00) + (Address & 0xFC);
+ WriteIO (0xCf8, AccWidthUint32, &AddrCf8);
+ WriteIO ((UINT16) (0xCfC + (Address & 0x3)), OpFlag, Value);
+ }
+}
+
+VOID
+RWPCI (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN UINT32 Mask,
+ IN UINT32 Data
+ )
+{
+ UINT32 Result;
+ Result = 0;
+ OpFlag = OpFlag & 0x7f;
+ ReadPCI (Address, OpFlag, &Result);
+ Result = (Result & Mask) | Data;
+ WritePCI (Address, OpFlag, &Result);
+}
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