1 files changed, 58 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb700/FLASH.c b/src/vendorcode/amd/cimx/sb700/FLASH.c
new file mode 100644
index 0000000000..0d842453cc
--- /dev/null
+++ b/src/vendorcode/amd/cimx/sb700/FLASH.c
@@ -0,0 +1,58 @@
+/*****************************************************************************
+ *
+ * Copyright (C) 2012 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	"Platform.h"
+
+void fcInitBeforePciEnum(AMDSBCFG* pConfig){
+
+	TRACE((DMSG_SB_TRACE, "Entering PreInit Flash \n"));
+	RWPMIO(SB_PMIO_REGB2, AccWidthUint8, ~(UINT32)BIT1, 00);
+
+	//Enable IDE and disable flash
+		//Enable IDE and disable flash
+	RWPMIO(SB_PMIO_REG59, AccWidthUint8, ~(UINT32)(BIT1+BIT0), 0);
+	RWPMIO(SB_PMIO_REGB2, AccWidthUint8, ~(UINT32)(BIT3), BIT0);	//Configure GPIO3 as IDE_RST# and release RST
+	if (pConfig->IdeController){
+		//Disabling IDE controller
+		RWPCI((IDE_BUS_DEV_FUN << 16) + SB_IDE_REG04, AccWidthUint8 | S3_SAVE, ~(UINT32)(BIT2+BIT1+BIT0), 0);
+		RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REGAE, AccWidthUint8 | S3_SAVE, 0xFF, BIT3);
+	}
+	else{
+		//Enable IDE controller
+		RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REGAE, AccWidthUint8 | S3_SAVE, ~(UINT32)(BIT3), 0);
+	}
+
+	//RPR 8.2	Enable IDE Data bus DD7 Pull down Resistor if IDE is enabled and FC is disabled
+	RWPMIO2(SB_PMIO2_REGE5, AccWidthUint8, 0xFF, BIT2);
+	//Slowdown the clock to FC if FC is not enabled, this is a power savings feature
+	RWPMIO(SB_PMIO_REGB2, AccWidthUint8, ~(UINT32)(BIT4), BIT4);
+	RWPMIO(SB_PMIO_REGBC, AccWidthUint8, 0xC0, 0);
+}