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Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/PMIOLIB.c')
-rw-r--r--src/vendorcode/amd/cimx/sb800/PMIOLIB.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/PMIOLIB.c b/src/vendorcode/amd/cimx/sb800/PMIOLIB.c
new file mode 100644
index 0000000000..510552c286
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+++ b/src/vendorcode/amd/cimx/sb800/PMIOLIB.c
@@ -0,0 +1,119 @@
+/**
+ * @file
+ *
+ * Southbridge PMIO 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 PMIO
+ *
+ *
+ *
+ * @param[in] Address - PMIO Offset value
+ * @param[in] OpFlag - Access sizes
+ * @param[in] Value - Read Data Buffer
+ *
+ */
+VOID
+ReadPMIO (
+ 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 (0xCD6, AccWidthUint8, &Address); // SB_IOMAP_REGCD6
+ Address++;
+ ReadIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i); // SB_IOMAP_REGCD7
+ }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Write PMIO
+ *
+ *
+ *
+ * @param[in] Address - PMIO Offset value
+ * @param[in] OpFlag - Access sizes
+ * @param[in] Value - Write Data Buffer
+ *
+ */
+VOID
+WritePMIO (
+ 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 (0xCD6, AccWidthUint8, &Address); // SB_IOMAP_REGCD6
+ Address++;
+ WriteIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i); // SB_IOMAP_REGCD7
+ }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * RWPMIO - Read/Write PMIO
+ *
+ *
+ *
+ * @param[in] Address - PMIO Offset value
+ * @param[in] OpFlag - Access sizes
+ * @param[in] AndMask - Data And Mask 32 bits
+ * @param[in] OrMask - Data OR Mask 32 bits
+ *
+ */
+VOID
+RWPMIO (
+ IN UINT8 Address,
+ IN UINT8 OpFlag,
+ IN UINT32 AndMask,
+ IN UINT32 OrMask
+ )
+{
+ UINT32 Result;
+ OpFlag = OpFlag & 0x7f;
+ ReadPMIO (Address, OpFlag, &Result);
+ Result = (Result & AndMask) | OrMask;
+ WritePMIO (Address, OpFlag, &Result);
+}