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authorLaszlo Ersek <lersek@redhat.com>2016-12-01 02:20:15 +0100
committerLaszlo Ersek <lersek@redhat.com>2017-01-09 20:49:20 +0100
commit7ecfa0aa38a3601c958a81dc36f69b5e04e40584 (patch)
tree5ecb6dadedae967e00baab2b427a88b081daee72 /OvmfPkg
parent133834858a3ab5ba61ca1dc2bb37d322095fcf07 (diff)
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OvmfPkg/SmmControl2Dxe: correct PCI_CONFIG_READ_WRITE in S3 boot script
EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE expects the PCI address to access in UEFI encoding, not in edk2/PciLib encoding. Introduce the POWER_MGMT_REGISTER_Q35_EFI_PCI_ADDRESS() macro, and with it, store the ICH9_GEN_PMCON_1 register's address to the boot script in UEFI representation. Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'OvmfPkg')
-rw-r--r--OvmfPkg/Include/IndustryStandard/Q35MchIch9.h6
-rw-r--r--OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.c5
2 files changed, 10 insertions, 1 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/Q35MchIch9.h b/OvmfPkg/Include/IndustryStandard/Q35MchIch9.h
index 4dc2c39901..f480455ae4 100644
--- a/OvmfPkg/Include/IndustryStandard/Q35MchIch9.h
+++ b/OvmfPkg/Include/IndustryStandard/Q35MchIch9.h
@@ -19,6 +19,9 @@
#define __Q35_MCH_ICH9_H__
#include <Library/PciLib.h>
+#include <Uefi/UefiBaseType.h>
+#include <Uefi/UefiSpec.h>
+#include <Protocol/PciRootBridgeIo.h>
//
// Host Bridge Device ID (DID) value for Q35/MCH
@@ -75,6 +78,9 @@
#define POWER_MGMT_REGISTER_Q35(Offset) \
PCI_LIB_ADDRESS (0, 0x1f, 0, (Offset))
+#define POWER_MGMT_REGISTER_Q35_EFI_PCI_ADDRESS(Offset) \
+ EFI_PCI_ADDRESS (0, 0x1f, 0, (Offset))
+
#define ICH9_PMBASE 0x40
#define ICH9_PMBASE_MASK (BIT15 | BIT14 | BIT13 | BIT12 | BIT11 | \
BIT10 | BIT9 | BIT8 | BIT7)
diff --git a/OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.c b/OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.c
index 82549b0a7e..6c03e17a3a 100644
--- a/OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.c
+++ b/OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.c
@@ -311,6 +311,7 @@ OnS3SaveStateInstalled (
EFI_STATUS Status;
EFI_S3_SAVE_STATE_PROTOCOL *S3SaveState;
UINT32 SmiEnOrMask, SmiEnAndMask;
+ UINT64 GenPmCon1Address;
UINT16 GenPmCon1OrMask, GenPmCon1AndMask;
ASSERT (Event == mS3SaveStateInstalled);
@@ -342,13 +343,15 @@ OnS3SaveStateInstalled (
CpuDeadLoop ();
}
+ GenPmCon1Address = POWER_MGMT_REGISTER_Q35_EFI_PCI_ADDRESS (
+ ICH9_GEN_PMCON_1);
GenPmCon1OrMask = ICH9_GEN_PMCON_1_SMI_LOCK;
GenPmCon1AndMask = MAX_UINT16;
Status = S3SaveState->Write (
S3SaveState,
EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE,
EfiBootScriptWidthUint16,
- (UINT64)POWER_MGMT_REGISTER_Q35 (ICH9_GEN_PMCON_1),
+ GenPmCon1Address,
&GenPmCon1OrMask,
&GenPmCon1AndMask
);