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authorjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2012-08-13 15:38:16 +0000
committerjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2012-08-13 15:38:16 +0000
commit7c9ff57b11a04132a8892574a6539ae62c11be62 (patch)
treef7285c1cdc24b7bcd0f5e1ce5c9dcaa5f3fddba4 /OvmfPkg/AcpiTables
parent2712ab4f5440efd4d340e7bbc0722be75a0f464b (diff)
downloadedk2-platforms-7c9ff57b11a04132a8892574a6539ae62c11be62.tar.xz
OvmfPkg: sync FADT with QEMU: correct SMI_CMD
- Qemu's PIIX emulation actually supports SMM and ACPI_ENABLE / ACPI_DISABLE. - After enabling SMI_CMD (SMI_CMD_IO_PORT), further values to be written there must be synchronized with qemu: PSTATE_CNT, CST_CNT. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13611 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/AcpiTables')
-rw-r--r--OvmfPkg/AcpiTables/Facp.aslc4
-rw-r--r--OvmfPkg/AcpiTables/Platform.h6
2 files changed, 5 insertions, 5 deletions
diff --git a/OvmfPkg/AcpiTables/Facp.aslc b/OvmfPkg/AcpiTables/Facp.aslc
index b06c6b22ad..c55094b838 100644
--- a/OvmfPkg/AcpiTables/Facp.aslc
+++ b/OvmfPkg/AcpiTables/Facp.aslc
@@ -33,7 +33,7 @@ EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE FACP = {
ACPI_ENABLE, // value to write to port smi_cmd to enable ACPI
ACPI_DISABLE, // value to write to port smi_cmd to disable ACPI
S4BIOS_REQ, // Value to write to SMI CMD port to enter the S4BIOS state
- 0xE2, // PState control
+ 0, // PState control
PM1a_EVT_BLK, // Port address of Power Mgt 1a Event Reg Blk
PM1b_EVT_BLK, // Port address of Power Mgt 1b Event Reg Blk
PM1a_CNT_BLK, // Port address of Power Mgt 1a Ctrl Reg Blk
@@ -49,7 +49,7 @@ EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE FACP = {
GPE0_BLK_LEN, // Byte Length of ports at gpe0_blk
GPE1_BLK_LEN, // Byte Length of ports at gpe1_blk
GPE1_BASE, // offset in gpe model where gpe1 events start
- 0xE3, // _CST support
+ 0, // _CST support
P_LVL2_LAT, // worst case HW latency to enter/exit C2 state
P_LVL3_LAT, // worst case HW latency to enter/exit C3 state
FLUSH_SIZE, // Size of area read to flush caches
diff --git a/OvmfPkg/AcpiTables/Platform.h b/OvmfPkg/AcpiTables/Platform.h
index b9a491cd78..d1803170d4 100644
--- a/OvmfPkg/AcpiTables/Platform.h
+++ b/OvmfPkg/AcpiTables/Platform.h
@@ -29,9 +29,9 @@
#define INT_MODEL 0x01
#define SCI_INT_VECTOR 0x0009
-#define SMI_CMD_IO_PORT 0 // If SMM was supported, then this would be 0xB2
-#define ACPI_ENABLE 0
-#define ACPI_DISABLE 0
+#define SMI_CMD_IO_PORT 0xB2
+#define ACPI_ENABLE 0xF1
+#define ACPI_DISABLE 0xF0
#define S4BIOS_REQ 0x00
#define PM1a_EVT_BLK 0x0000b000
#define PM1b_EVT_BLK 0x00000000