qemu/hw/i386/ssdt-tpm.dsl
Stefan Berger 711b20b479 Add ACPI tables for TPM
Add an SSDT ACPI table for the TPM device.
Add a TCPA table for BIOS logging area when a TPM is being used.

The latter follows this spec here:

http://www.trustedcomputinggroup.org/files/static_page_files/DCD4188E-1A4B-B294-D050A155FB6F7385/TCG_ACPIGeneralSpecification_PublicReview.pdf

This patch has Michael Tsirkin's patches folded in.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2014-08-25 00:16:06 +02:00

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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "hw/acpi/tpm.h"
ACPI_EXTRACT_ALL_CODE ssdt_tpm_aml
DefinitionBlock (
"ssdt-tpm.aml", // Output Filename
"SSDT", // Signature
0x01, // SSDT Compliance Revision
"BXPC", // OEMID
"BXSSDT", // TABLE ID
0x1 // OEM Revision
)
{
Scope(\_SB) {
/* TPM with emulated TPM TIS interface */
Device (TPM) {
Name (_HID, EisaID ("PNP0C31"))
Name (_CRS, ResourceTemplate ()
{
Memory32Fixed (ReadWrite, TPM_TIS_ADDR_BASE, TPM_TIS_ADDR_SIZE)
// older Linux tpm_tis drivers do not work with IRQ
//IRQNoFlags () {TPM_TIS_IRQ}
})
Method (_STA, 0, NotSerialized) {
Return (0x0F)
}
}
}
}