Introduce macros to detect the underlying platform and access its ACPI power management registers, based on querying the host bridge device ID.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gabriel Somlo <so...@cmu.edu> Reviewed-by: Paolo Bonzini <pbonz...@redhat.com> Reviewed-by: Jordan Justen <jordan.l.jus...@intel.com> Reviewed-by: Gerd Hoffmann <kra...@redhat.com> Reviewed-by: Laszlo Ersek <ler...@redhat.com> --- OvmfPkg/Include/OvmfPlatforms.h | 49 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 OvmfPkg/Include/OvmfPlatforms.h diff --git a/OvmfPkg/Include/OvmfPlatforms.h b/OvmfPkg/Include/OvmfPlatforms.h new file mode 100644 index 0000000..cf6e624 --- /dev/null +++ b/OvmfPkg/Include/OvmfPlatforms.h @@ -0,0 +1,49 @@ +/** @file + OVMF Platform definitions + + Copyright (c) 2014, Gabriel L. Somlo <so...@cmu.edu> + + This program and the accompanying materials are licensed and made + available under the terms and conditions of the BSD License which + accompanies this distribution. The full text of the license may + be found at http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +**/ + +#ifndef __OVMF_PLATFORMS_H__ +#define __OVMF_PLATFORMS_H__ + +#include <Library/PciLib.h> +#include <IndustryStandard/Pci22.h> + +// +// Host Bridge Device ID (DID) values for PIIX4 and Q35/MCH +// +#define INTEL_82441_DEVICE_ID 0x1237 // PIIX4 +#define INTEL_Q35_MCH_DEVICE_ID 0x29C0 // Q35 + +// +// OVMF Host Bridge DID Address +// +#define OVMF_HOSTBRIDGE_DID \ + PCI_LIB_ADDRESS (0, 0, 0, PCI_DEVICE_ID_OFFSET) + +// +// Power Management Device and Function numbers for PIIX4 and Q35/MCH +// +#define OVMF_PM_DEVICE_PIIX4 0x01 +#define OVMF_PM_FUNC_PIIX4 0x03 +#define OVMF_PM_DEVICE_Q35 0x1f +#define OVMF_PM_FUNC_Q35 0x00 + +// +// Power Management Register access for PIIX4 and Q35/MCH +// +#define POWER_MGMT_REGISTER_PIIX4(Offset) \ + PCI_LIB_ADDRESS (0, OVMF_PM_DEVICE_PIIX4, OVMF_PM_FUNC_PIIX4, (Offset)) +#define POWER_MGMT_REGISTER_Q35(Offset) \ + PCI_LIB_ADDRESS (0, OVMF_PM_DEVICE_Q35, OVMF_PM_FUNC_Q35, (Offset)) + +#endif -- 1.9.3 ------------------------------------------------------------------------------ Comprehensive Server Monitoring with Site24x7. Monitor 10 servers for $9/Month. Get alerted through email, SMS, voice calls or mobile push notifications. Take corrective actions from your mobile device. http://pubads.g.doubleclick.net/gampad/clk?id=154624111&iu=/4140/ostg.clktrk _______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel
