This introduces fixed PCDs for SMBUS and BMC as specified to Ampere.

Signed-off-by: Nhi Pham <n...@os.amperecomputing.com>
---
 Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec 
b/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
index 56e8b2fd2f11..5c5015c1bf21 100644
--- a/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
+++ b/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
@@ -69,6 +69,18 @@ [PcdsFixedAtBuild]
   gAmpereTokenSpaceGuid.PcdSmbiosTables0MajorVersion|0xFF|UINT8|0x00000005
   gAmpereTokenSpaceGuid.PcdSmbiosTables0MinorVersion|0xFF|UINT8|0x00000006
 
+  #
+  # SMBUS
+  #
+  gAmpereTokenSpaceGuid.PcdSmbusI2cBusNumber|0x00|UINT8|0x00000007
+  gAmpereTokenSpaceGuid.PcdSmbusI2cBusSpeed|100000|UINT32|0x00000008 # Hz
+
+  #
+  # BMC
+  #
+  gAmpereTokenSpaceGuid.PcdBmcSlaveAddr|0x10|UINT8|0x00000009
+  gAmpereTokenSpaceGuid.PcdBmcReadyGpio|0x18|UINT8|0x0000000A
+
 [PcdsFixedAtBuild, PcdsDynamic, PcdsDynamicEx]
   #
   # Firmware Volume Pcds
-- 
2.25.1



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