PcAtChipsetPkg: INF/DEC file updates to EDK II packages

4. PCD information in DEC file comment blocks are either incomplete or incorrect.  
This includes detailed description, @Prompt, @ValidRange, @ValidList, @Expression, and [Error.<TokenSpaceGuid>] validation error messages.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu, Shumin <shumin.qiu@intel.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15944 6f19259b-4bc3-4df7-8a09-765794883524

PcAtChipsetPkg/PcAtChipsetPkg.dec

@@ -19,6 +19,7 @@
 [Defines]
   DEC_SPECIFICATION              = 0x00010005
   PACKAGE_NAME                   = PcAtChipsetPkg
+  PACKAGE_UNI_FILE               = PcAtChipsetPkg.uni
   PACKAGE_GUID                   = B728689A-52D3-4b8c-AE89-2CE5514CC6DC
   PACKAGE_VERSION                = 0.3
 
@@ -34,60 +35,86 @@
   gPcAtChipsetPkgTokenSpaceGuid = { 0x326ae723, 0xae32, 0x4589, { 0x98, 0xb8, 0xca, 0xc2, 0x3c, 0xdc, 0xc1, 0xb1 } }
 
 [PcdsFeatureFlag]
-  ## If TRUE, then the HPET Timer will be configured to use MSI interrupts if the HPET timer supports them.
+  ## Indicates the HPET Timer will be configured to use MSI interrupts if the HPET timer supports them, or use I/O APIC interrupts.<BR><BR>
-  #  If FALSE, then the HPET Timer will be configued to use I/O APIC interrupts.
+  #   TRUE  - Configures the HPET Timer to use MSI interrupts if the HPET Timer supports them.<BR>
+  #   FALSE - Configures the HPET Timer to use I/O APIC interrupts.<BR>
+  # @Prompt Configure HPET to use MSI.
   gPcAtChipsetPkgTokenSpaceGuid.PcdHpetMsiEnable|TRUE|BOOLEAN|0x00001000
 
 [PcdsFixedAtBuild, PcdsDynamic, PcdsDynamicEx, PcdsPatchableInModule]
-  ## Pcd8259LegacyModeMask defines the default mask value for platform. This value is determined
+  ## Pcd8259LegacyModeMask defines the default mask value for platform. This value is determined<BR><BR>
   #  1) If platform only support pure UEFI, value should be set to 0xFFFF or 0xFFFE;
-  #     Because only clock interrupt is allowed in legacy mode in pure UEFI platform.
+  #     Because only clock interrupt is allowed in legacy mode in pure UEFI platform.<BR>
-  #  2) If platform install CSM and use thunk module:
+  #  2) If platform install CSM and use thunk module:<BR>
   #     a) If thunk call provided by CSM binary requires some legacy interrupt support, the corresponding bit 
-  #        should be opened as 0.
+  #        should be opened as 0.<BR>
-  #        For example, if keyboard interfaces provided CSM binary use legacy keyboard interrupt in 8259 bit 2, then
+  #        For example, if keyboard interfaces provided CSM binary use legacy keyboard interrupt in 8259 bit 1, then
-  #        the value should be set to 0xFFFC
+  #        the value should be set to 0xFFFC.<BR>
   #     b) If all thunk call provied by CSM binary do not require legacy interrupt support, value should be set
-  #        to 0xFFFF or 0xFFFE.
+  #        to 0xFFFF or 0xFFFE.<BR>
   #
   #  The default value of legacy mode mask could be changed by EFI_LEGACY_8259_PROTOCOL->SetMask(). But it is rarely
   #  need change it except some special cases such as when initializing the CSM binary, it should be set to 0xFFFF to 
-  #  mask all legacy interrupt. Please restore the original legacy mask value if changing is made for these special case.
+  #  mask all legacy interrupt. Please restore the original legacy mask value if changing is made for these special case.<BR>
-  #
+  # @Prompt 8259 Legacy Mode mask.
   gPcAtChipsetPkgTokenSpaceGuid.Pcd8259LegacyModeMask|0xFFFF|UINT16|0x00000001
   
   ## Pcd8259LegacyModeEdgeLevel defines the default edge level for legacy mode's interrrupt controller.
+  #  For the corresponding bits, 0 = Edge triggered and 1 = Level triggered.
+  # @Prompt 8259 Legacy Mode edge level.
   gPcAtChipsetPkgTokenSpaceGuid.Pcd8259LegacyModeEdgeLevel|0x0000|UINT16|0x00000002
 
-  ## This PCD specifies whether we need enable IsaAcpiCom1 device.
+  ## Indicates if we need enable IsaAcpiCom1 device.<BR><BR>
+  #   TRUE  - Enables IsaAcpiCom1 device.<BR>
+  #   FALSE - Doesn't enable IsaAcpiCom1 device.<BR>
+  # @Prompt Enable IsaAcpiCom1 device.
   gPcAtChipsetPkgTokenSpaceGuid.PcdIsaAcpiCom1Enable|TRUE|BOOLEAN|0x00000003
 
-  ## This PCD specifies whether we need enable IsaAcpiCom2 device.
+  ## Indicates if we need enable IsaAcpiCom2 device.<BR><BR>
+  #   TRUE  - Enables IsaAcpiCom2 device.<BR>
+  #   FALSE - Doesn't enable IsaAcpiCom2 device.<BR>
+  # @Prompt Enable IsaAcpiCom12 device.
   gPcAtChipsetPkgTokenSpaceGuid.PcdIsaAcpiCom2Enable|TRUE|BOOLEAN|0x00000004
 
-  ## This PCD specifies whether we need enable IsaAcpiPs2Keyboard device.
+  ## Indicates if we need enable IsaAcpiPs2Keyboard device.<BR><BR>
+  #   TRUE  - Enables IsaAcpiPs2Keyboard device.<BR>
+  #   FALSE - Doesn't enable IsaAcpiPs2Keyboard device.<BR>
+  # @Prompt Enable IsaAcpiPs2Keyboard device.
   gPcAtChipsetPkgTokenSpaceGuid.PcdIsaAcpiPs2KeyboardEnable|TRUE|BOOLEAN|0x00000005
 
-  ## This PCD specifies whether we need enable IsaAcpiPs2Mouse device.
+  ## Indicates if we need enable IsaAcpiPs2Mouse device.<BR><BR>
+  #   TRUE  - Enables IsaAcpiPs2Mouse device.<BR>
+  #   FALSE - Doesn't enable IsaAcpiPs2Mouse device.<BR>
+  # @Prompt Enable IsaAcpiPs2Mouse device.
   gPcAtChipsetPkgTokenSpaceGuid.PcdIsaAcpiPs2MouseEnable|TRUE|BOOLEAN|0x00000006
 
-  ## This PCD specifies whether we need enable IsaAcpiFloppyA device.
+  ## Indicates if we need enable IsaAcpiFloppyA device.<BR><BR>
+  #   TRUE  - Enables IsaAcpiFloppyA device.<BR>
+  #   FALSE - Doesn't enable IsaAcpiFloppyA device.<BR>
+  # @Prompt Enable IsaAcpiFloppyA device.
   gPcAtChipsetPkgTokenSpaceGuid.PcdIsaAcpiFloppyAEnable|TRUE|BOOLEAN|0x00000007
 
-  ## This PCD specifies whether we need enable IsaAcpiFloppyB device.
+  ## Indicates if we need enable IsaAcpiFloppyB device.<BR><BR>
+  #   TRUE  - Enables IsaAcpiFloppyB device.<BR>
+  #   FALSE - Doesn't enable IsaAcpiFloppyB device.<BR>
+  # @Prompt Enable IsaAcpiFloppyB device.
   gPcAtChipsetPkgTokenSpaceGuid.PcdIsaAcpiFloppyBEnable|TRUE|BOOLEAN|0x00000008
 
   ## This PCD specifies the base address of the HPET timer.
+  # @Prompt HPET base address.
   gPcAtChipsetPkgTokenSpaceGuid.PcdHpetBaseAddress|0xFED00000|UINT32|0x00000009
 
   ## This PCD specifies the Local APIC Interrupt Vector for the HPET Timer.
+  # @Prompt HPET local APIC vector.
   gPcAtChipsetPkgTokenSpaceGuid.PcdHpetLocalApicVector|0x40|UINT8|0x0000000A
 
   ## This PCD specifies the defaut period of the HPET Timer in 100 ns units.
   #  The default value of 100000 100 ns units is the same as 10 ms.
+  # @Prompt Default period of HPET timer.
   gPcAtChipsetPkgTokenSpaceGuid.PcdHpetDefaultTimerPeriod|100000|UINT64|0x0000000B
   
-  ## This PCD specifies the base address of the HPET timer.
+  ## This PCD specifies the base address of the IO APIC.
+  # @Prompt IO APIC base address.
   gPcAtChipsetPkgTokenSpaceGuid.PcdIoApicBaseAddress|0xFEC00000|UINT32|0x0000000C
   
 [PcdsFixedAtBuild, PcdsPatchableInModule]
@@ -127,3 +154,6 @@
   ## Defines the offset to the 32-bit Timer Value register that resides within the ACPI BAR.
   # @Prompt Offset to 32-bit Timer register in ACPI BAR
   gPcAtChipsetPkgTokenSpaceGuid.PcdAcpiPm1TmrOffset              |0x0008|UINT16|0x00000017
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  PcAtChipsetPkgExtra.uni