diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-08-13 15:38:16 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-08-13 15:38:16 +0000 |
| commit | 7c9ff57b11a04132a8892574a6539ae62c11be62 (patch) | |
| tree | f7285c1cdc24b7bcd0f5e1ce5c9dcaa5f3fddba4 /OvmfPkg/AcpiTables | |
| parent | 2712ab4f5440efd4d340e7bbc0722be75a0f464b (diff) | |
| download | edk2-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.aslc | 4 | ||||
| -rw-r--r-- | OvmfPkg/AcpiTables/Platform.h | 6 |
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
|