Revision: 14156
http://edk2.svn.sourceforge.net/edk2/?rev=14156&view=rev
Author: jljusten
Date: 2013-03-04 17:38:05 +0000 (Mon, 04 Mar 2013)
Log Message:
-----------
OvmfPkg: report support for the PIIX3 reset register in the FADT
The value to be written corresponds to hard reset, which is what the ACPI
spec prescribes.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/AcpiTables/Facp.aslc
trunk/edk2/OvmfPkg/AcpiTables/Platform.h
Modified: trunk/edk2/OvmfPkg/AcpiTables/Facp.aslc
===================================================================
--- trunk/edk2/OvmfPkg/AcpiTables/Facp.aslc 2013-03-04 17:37:47 UTC (rev
14155)
+++ trunk/edk2/OvmfPkg/AcpiTables/Facp.aslc 2013-03-04 17:38:05 UTC (rev
14156)
@@ -65,8 +65,8 @@
0x0000, // Boot architecture flag (16-bit)
RESERVED, // reserved
FLAG, // Fixed feature flags
- { 0 }, // Address of the Reset Register
- 0, // Value for the Reset Register to reset the system
+ GAS2_IO(RESET_REG, 1), // Extended address of the Reset Register
+ RESET_VALUE, // Value for the Reset Register to reset the system
{ RESERVED }, // reserved[3]
0, // 64-bit physical addesss of FACS, set at installation
0, // 64-bit physical addesss of DSDT, set at installation
Modified: trunk/edk2/OvmfPkg/AcpiTables/Platform.h
===================================================================
--- trunk/edk2/OvmfPkg/AcpiTables/Platform.h 2013-03-04 17:37:47 UTC (rev
14155)
+++ trunk/edk2/OvmfPkg/AcpiTables/Platform.h 2013-03-04 17:38:05 UTC (rev
14156)
@@ -54,7 +54,10 @@
#define FLAG (EFI_ACPI_2_0_WBINVD | \
EFI_ACPI_2_0_PROC_C1 | \
EFI_ACPI_2_0_SLP_BUTTON | \
- EFI_ACPI_2_0_RTC_S4)
+ EFI_ACPI_2_0_RTC_S4 | \
+ EFI_ACPI_2_0_RESET_REG_SUP)
+#define RESET_REG 0xCF9
+#define RESET_VALUE (BIT2 | BIT1) // PIIX3 Reset CPU + System Reset
//
// Byte-aligned IO port register block initializer for
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