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-rwxr-xr-xsrc/vendorcode/amd/cimx/sb900/Gec.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb900/Gec.c b/src/vendorcode/amd/cimx/sb900/Gec.c
new file mode 100755
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+++ b/src/vendorcode/amd/cimx/sb900/Gec.c
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+/**
+ * @file
+ *
+ * Config Southbridge GEC controller
+ *
+ * Init GEC features.
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: CIMx-SB
+ * @e sub-project:
+ * @e \$Revision:$ @e \$Date:$
+ *
+ */
+/*;********************************************************************************
+;
+; 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"
+#include "AmdSbLib.h"
+
+/**
+ * gecInitBeforePciEnum - Config GEC controller before PCI emulation
+ *
+ *
+ *
+ * @param[in] pConfig Southbridge configuration structure pointer.
+ *
+ */
+VOID
+gecInitBeforePciEnum (
+ IN AMDSBCFG* pConfig
+ )
+{
+ UINT8 cimSBGecDebugBus;
+ UINT8 cimSBGecPwr;
+
+ cimSBGecDebugBus = (UINT8) pConfig->SBGecDebugBus;
+ cimSBGecPwr = (UINT8) pConfig->SBGecPwr;
+#if (SB_CIMx_PARAMETER == 0 )
+ cimSBGecDebugBus = cimSBGecDebugBusDefault;
+ cimSBGecPwr = cimSBGecPwrDefault;
+#endif
+ if ( pConfig->Cg2Pll == 1 ) {
+ pConfig->GecConfig = 1;
+ }
+ if ( pConfig->GecConfig == 0) {
+ // GEC Enabled
+ RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGF6, AccWidthUint8, ~BIT0, 0x00);
+
+ RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + SB_GEVENT_REG11, AccWidthUint8, 0, 0x00);
+ RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + SB_GEVENT_REG21, AccWidthUint8, 0, 0x01);
+ RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + SB_GPIO_REG166, AccWidthUint8, 0, 0x01);
+ RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + SB_GPIO_REG181, AccWidthUint8, 0, 0x01);
+ RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGF8, AccWidthUint8, ~(BIT5 + BIT6), (UINT8) ((cimSBGecPwr) << 5));
+
+ if ( cimSBGecDebugBus == 1) {
+ // GEC Debug Bus Enabled
+ RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGF6, AccWidthUint8, ~BIT3, BIT3);
+ } else {
+ // GEC Debug Bus Disabled
+ RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGF6, AccWidthUint8, ~BIT3, 0x00);
+ }
+ } else {
+ // GEC Disabled
+ RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGF6, AccWidthUint8, ~BIT0, BIT0);
+ //return; //return if GEC controller is disabled.
+ }
+}
+
+/**
+ * gecInitAfterPciEnum - Config GEC controller after PCI emulation
+ *
+ *
+ *
+ * @param[in] pConfig Southbridge configuration structure pointer.
+ *
+ */
+VOID
+gecInitAfterPciEnum (
+ IN AMDSBCFG* pConfig
+ )
+{
+ VOID* GecRomAddress;
+ VOID* GecShadowRomAddress;
+ UINT32 ddTemp;
+ if ( !pConfig->DYNAMICGECROM.DynamicGecRomAddress_Ptr == NULL ) {
+ GecRomAddress = pConfig->DYNAMICGECROM.DynamicGecRomAddress_Ptr;
+ GecShadowRomAddress = (VOID*) (UINTN) pConfig->BuildParameters.GecShadowRomBase;
+ AmdSbCopyMem (GecShadowRomAddress, GecRomAddress, 0x100);
+ ReadPCI ((GEC_BUS_DEV_FUN << 16) + SB_GEC_REG10, AccWidthUint32, &ddTemp);
+ ddTemp = ddTemp & 0xFFFFFFF0;
+ RWMEM (ddTemp + 0x6804, AccWidthUint32, 0, BIT0 + BIT29);
+ }
+ TRACE ((DMSG_SB_TRACE, "Exiting gec Init after PCI emulation\n"));
+}
+
+/**
+ * gecInitLatePost - Prepare GEC controller to boot to OS.
+ *
+ *
+ * @param[in] pConfig Southbridge configuration structure pointer.
+ *
+ */
+VOID
+gecInitLatePost (
+ IN AMDSBCFG* pConfig
+ )
+{
+ if ( !pConfig->GecConfig == 0) {
+ return; //return if GEC controller is disabled.
+ }
+ TRACE ((DMSG_SB_TRACE, "Exiting Prepare GEC controller to boot to OS\n"));
+}
+
+