summaryrefslogtreecommitdiff
path: root/src/vendorcode/amd
diff options
context:
space:
mode:
Diffstat (limited to 'src/vendorcode/amd')
-rw-r--r--src/vendorcode/amd/cimx/sb800/OEM.h8
-rw-r--r--src/vendorcode/amd/cimx/sb800/SBPOR.c11
-rw-r--r--src/vendorcode/amd/cimx/sb800/SBTYPE.h5
3 files changed, 23 insertions, 1 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/OEM.h b/src/vendorcode/amd/cimx/sb800/OEM.h
index 9abea30dbb..b38acba524 100644
--- a/src/vendorcode/amd/cimx/sb800/OEM.h
+++ b/src/vendorcode/amd/cimx/sb800/OEM.h
@@ -87,6 +87,14 @@
#endif
/**
+ * SIO_HWM_BASE_ADDRESS - Super IO HWM base address
+ *
+ */
+#ifndef SIO_HWM_BASE_ADDRESS
+ #define SIO_HWM_BASE_ADDRESS 0x290
+#endif
+
+/**
* SPI_BASE_ADDRESS - SPI controller (ROM) base address
*
*/
diff --git a/src/vendorcode/amd/cimx/sb800/SBPOR.c b/src/vendorcode/amd/cimx/sb800/SBPOR.c
index 33d09d622e..daf13c719c 100644
--- a/src/vendorcode/amd/cimx/sb800/SBPOR.c
+++ b/src/vendorcode/amd/cimx/sb800/SBPOR.c
@@ -144,6 +144,7 @@ sbPowerOnInit (
UINT8 cimSataMode;
UINT8 cimSpiFastReadEnable;
UINT8 cimSpiFastReadSpeed;
+ UINT8 cimSioHwmPortEnable;
UINT8 SataPortNum;
cimNbSbGen2 = pConfig->NbSbGen2;
@@ -155,12 +156,14 @@ sbPowerOnInit (
cimSpiFastReadEnable = cimSpiFastReadEnableDefault;
}
cimSpiFastReadSpeed = (UINT8) pConfig->BuildParameters.SpiFastReadSpeed;
+ cimSioHwmPortEnable = pConfig->SioHwmPortEnable;
#if SB_CIMx_PARAMETER == 0
cimNbSbGen2 = cimNbSbGen2Default;
cimSataMode = (UINT8) ((cimSataMode & 0xFB) | cimSataSetMaxGen2Default);
cimSataMode = (UINT8) ((cimSataMode & 0x0F) | (cimSATARefClkSelDefault + cimSATARefDivSelDefault));
cimSpiFastReadEnable = cimSpiFastReadEnableDefault;
cimSpiFastReadSpeed = cimSpiFastReadSpeedDefault;
+ cimSioHwmPortEnable = cimSioHwmPortEnableDefault;
#endif
// SB800 Only Enabled (Mmio_mem_enablr) // Default value is correct
@@ -200,6 +203,12 @@ sbPowerOnInit (
// Set Build option into SB
WritePCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG64, AccWidthUint16 | S3_SAVE, &(pConfig->BuildParameters.SioPmeBaseAddress));
+ if (cimSioHwmPortEnable) {
+ // Use Wide IO Port 1 to provide access to the superio HWM registers.
+ WritePCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG66 , AccWidthUint16 | S3_SAVE, &(pConfig->BuildParameters.SioHwmBaseAddress));
+ RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG48 + 3, AccWidthUint8 | S3_SAVE, 0xFF, BIT0); // Wide IO Port 1: enable
+ RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG74 , AccWidthUint8 | S3_SAVE, 0xFF, BIT2); // set width 0:512, 1:16 bytes
+ }
RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REGA0, AccWidthUint32 | S3_SAVE, 0x001F, (pConfig->BuildParameters.SpiRomBaseAddress));
RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG9C, AccWidthUint32 | S3_SAVE, 0, (pConfig->BuildParameters.GecShadowRomBase + 1));
// Enabled SMBUS0/SMBUS1 (ASF) Base Address
@@ -354,4 +363,4 @@ sbPowerOnInit (
// Set PMx88[5]to enable LdtStp# output to do the C3 or FidVid transation
RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REG88, AccWidthUint8, 0xFF, BIT5);
-} \ No newline at end of file
+}
diff --git a/src/vendorcode/amd/cimx/sb800/SBTYPE.h b/src/vendorcode/amd/cimx/sb800/SBTYPE.h
index ea3e6f6c42..b8278cf5ec 100644
--- a/src/vendorcode/amd/cimx/sb800/SBTYPE.h
+++ b/src/vendorcode/amd/cimx/sb800/SBTYPE.h
@@ -156,6 +156,10 @@ typedef struct _BUILDPARAM {
* @par
* SIO PME BASE Address
*/
+ unsigned int SioHwmBaseAddress; /**< SioHwmBaseAddress
+ * @par
+ * SIO HWM BASE Address
+ */
unsigned int WatchDogTimerBase; /**< WatchDogTimerBase
* @par
* Watch Dog Timer Address
@@ -911,6 +915,7 @@ typedef struct _AMDSBCFG {
unsigned int MTC1e:1; //29
/** MiscDummy - Reserved */
unsigned int MiscDummy:2; //31:30
+ unsigned int SioHwmPortEnable:1; // Enable SuperIO HWM access via LPC
//DebugOptions //offset 4 bytes (146-149)
/** PcibAutoClkCtrlLow - Debug function Reserved */