1 files changed, 96 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/ECfanLIB.c b/src/vendorcode/amd/cimx/sb800/ECfanLIB.c
new file mode 100644
index 0000000000..dfc44d8170
--- /dev/null
+++ b/src/vendorcode/amd/cimx/sb800/ECfanLIB.c
@@ -0,0 +1,96 @@
+/**
+ * @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 "ECfan.h"
+
+VOID
+ReadECmsg (
+  IN       UINT8 Address,
+  IN       UINT8 OpFlag,
+     OUT   VOID* Value
+  )
+{
+ UINT8 i;
+
+  OpFlag = OpFlag & 0x7f;
+  if (OpFlag == 0x02) OpFlag = 0x03;
+  for (i = 0; i <= OpFlag; i++) {
+    WriteIO(MailBoxPort, AccWidthUint8, &Address);  // EC_LDN9_MAILBOX_BASE_ADDRESS
+    Address++;
+    ReadIO(MailBoxPort + 1, AccWidthUint8, (UINT8 *)Value+i);   // EC_LDN9_MAILBOX_BASE_ADDRESS
+  }
+}
+
+
+VOID
+WriteECmsg (
+  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(MailBoxPort, AccWidthUint8, &Address);  // EC_LDN9_MAILBOX_BASE_ADDRESS
+    Address++;
+    WriteIO(MailBoxPort + 1, AccWidthUint8, (UINT8 *)Value+i);   // EC_LDN9_MAILBOX_BASE_ADDRESS
+  }
+}
+
+VOID
+WaitForEcLDN9MailboxCmdAck (
+  VOID
+  )
+{
+  UINT8 Msgdata;
+  UINT16 Delaytime;
+  Msgdata = 0;
+  for (Delaytime = 0; Delaytime <= 500; Delaytime++) {
+    ReadECmsg (MSG_REG0, AccWidthUint8, &Msgdata);
+    if ( Msgdata == 0xfa) {
+      break;
+    }
+    SbStall (1000); // Wait for 1ms
+  }
+}
+
+