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/PMIO2LIB.c | |
| parent | 123edb0f688f2c6b7146929d6650751f6674a95c (diff) | |
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/PMIO2LIB.c')
| -rw-r--r-- | src/vendorcode/amd/cimx/sb800/PMIO2LIB.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/PMIO2LIB.c b/src/vendorcode/amd/cimx/sb800/PMIO2LIB.c new file mode 100644 index 0000000000..8420a7c8c9 --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/PMIO2LIB.c @@ -0,0 +1,120 @@ +/**
+ * @file
+ *
+ * Southbridge PMIO2 access common routine
+ *
+ */
+/*
+ *****************************************************************************
+ *
+ * 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"
+
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Read PMIO2
+ *
+ *
+ *
+ * @param[in] Address - PMIO2 Offset value
+ * @param[in] OpFlag - Access sizes
+ * @param[in] Value - Read Data Buffer
+ *
+ */
+VOID
+ReadPMIO2 (
+ IN UINT8 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ UINT8 i;
+ OpFlag = OpFlag & 0x7f;
+
+ if ( OpFlag == 0x02 ) {
+ OpFlag = 0x03;
+ }
+ for ( i = 0; i <= OpFlag; i++ ) {
+ WriteIO (0xCD0, AccWidthUint8, &Address); // SB_IOMAP_REGCD0
+ Address++;
+ ReadIO (0xCD1, AccWidthUint8, (UINT8 *) Value + i); // SB_IOMAP_REGCD1
+ }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Write PMIO 2
+ *
+ *
+ *
+ * @param[in] Address - PMIO2 Offset value
+ * @param[in] OpFlag - Access sizes
+ * @param[in] Value - Write Data Buffer
+ *
+ */
+VOID
+WritePMIO2 (
+ IN UINT8 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ UINT8 i;
+ OpFlag = OpFlag & 0x7f;
+
+ if ( OpFlag == 0x02 ) {
+ OpFlag = 0x03;
+ }
+ for ( i = 0; i <= OpFlag; i++ ) {
+ WriteIO (0xCD0, AccWidthUint8, &Address); // SB_IOMAP_REGCD0
+ Address++;
+ WriteIO (0xCD1, AccWidthUint8, (UINT8 *)Value + i); // SB_IOMAP_REGCD1
+ }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * RWPMIO2 - Read/Write PMIO2
+ *
+ *
+ *
+ * @param[in] Address - PMIO2 Offset value
+ * @param[in] OpFlag - Access sizes
+ * @param[in] AndMask - Data And Mask 32 bits
+ * @param[in] OrMask - Data OR Mask 32 bits
+ *
+ */
+VOID
+RWPMIO2 (
+ IN UINT8 Address,
+ IN UINT8 OpFlag,
+ IN UINT32 AndMask,
+ IN UINT32 OrMask
+ )
+{
+ UINT32 Result;
+ OpFlag = OpFlag & 0x7f;
+ ReadPMIO2 (Address, OpFlag, &Result);
+ Result = (Result & AndMask) | OrMask;
+ WritePMIO2 (Address, OpFlag, &Result);
+}
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