1 files changed, 156 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/ECLIB.c b/src/vendorcode/amd/cimx/sb800/ECLIB.c
new file mode 100644
index 0000000000..e69425c6cc
--- /dev/null
+++ b/src/vendorcode/amd/cimx/sb800/ECLIB.c
@@ -0,0 +1,156 @@
+/**
+ * @file
+ *
+ * Southbridge EC IO access common routine
+ *
+ */
+/*
+ *****************************************************************************
+ *
+ * Copyright (c) 2011, Advanced Micro Devices, Inc.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Advanced Micro Devices, Inc. nor the names of 
+ *       its contributors may be used to endorse or promote products derived 
+ *       from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * ***************************************************************************
+ *
+ */
+
+#include "SBPLATFORM.h"
+#include "cbtypes.h"
+
+// #ifndef NO_EC_SUPPORT
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * EnterEcConfig - Force EC into Config mode
+ *
+ *
+ *
+ *
+ */
+VOID
+EnterEcConfig (
+  )
+{
+  UINT16   dwEcIndexPort;
+
+  ReadPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REGA4, AccWidthUint16 | S3_SAVE, &dwEcIndexPort);
+  dwEcIndexPort &= ~(BIT0);
+  RWIO (dwEcIndexPort, AccWidthUint8, 0x00, 0x5A);
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * ExitEcConfig - Force EC exit Config mode
+ *
+ *
+ *
+ *
+ */
+VOID
+ExitEcConfig (
+  )
+{
+  UINT16   dwEcIndexPort;
+
+  ReadPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REGA4, AccWidthUint16 | S3_SAVE, &dwEcIndexPort);
+  dwEcIndexPort &= ~(BIT0);
+  RWIO (dwEcIndexPort, AccWidthUint8, 0x00, 0xA5);
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * ReadEC8 - Read EC register data
+ *
+ *
+ *
+ * @param[in] Address  - EC Register Offset Value
+ * @param[in] Value    - Read Data Buffer
+ *
+ */
+VOID
+ReadEC8 (
+  IN       UINT8 Address,
+  IN       UINT8* Value
+  )
+{
+  UINT16   dwEcIndexPort;
+
+  ReadPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REGA4, AccWidthUint16 | S3_SAVE, &dwEcIndexPort);
+  dwEcIndexPort &= ~(BIT0);
+  WriteIO (dwEcIndexPort, AccWidthUint8, &Address);
+  ReadIO (dwEcIndexPort + 1, AccWidthUint8, Value);
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * WriteEC8 - Write date into EC register
+ *
+ *
+ *
+ * @param[in] Address  - EC Register Offset Value
+ * @param[in] Value    - Write Data Buffer
+ *
+ */
+VOID
+WriteEC8 (
+  IN       UINT8 Address,
+  IN       UINT8* Value
+  )
+{
+  UINT16   dwEcIndexPort;
+
+  ReadPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REGA4, AccWidthUint16 | S3_SAVE, &dwEcIndexPort);
+  dwEcIndexPort &= ~(BIT0);
+
+  WriteIO (dwEcIndexPort, AccWidthUint8, &Address);
+  WriteIO (dwEcIndexPort + 1, AccWidthUint8, Value);
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * RWEC8 - Read/Write EC register
+ *
+ *
+ *
+ * @param[in] Address    - EC Register Offset Value
+ * @param[in] AndMask    - Data And Mask 8 bits
+ * @param[in] OrMask     - Data OR Mask 8 bits
+ *
+ */
+VOID
+RWEC8 (
+  IN       UINT8 Address,
+  IN       UINT8 AndMask,
+  IN       UINT8 OrMask
+  )
+{
+  UINT8 Result;
+  ReadEC8 (Address, &Result);
+  Result = (Result & AndMask) | OrMask;
+  WriteEC8 (Address, &Result);
+}
+
+// #endif
+