Messages in this thread | | | Date | Mon, 12 Dec 2016 19:46:15 +0200 | From | Jarkko Sakkinen <> | Subject | Re: [tpmdd-devel] [PATCH v3 1/3] tpm_crb: map locality registers |
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On Mon, Dec 12, 2016 at 03:28:01PM +0000, Winkler, Tomas wrote: > > > > I've tested is completley disjoint from the region pointed by the ACPI device > > tree (SSDT in PTT's case). > > > > Here's example device from my x250: > > > > Device (TPM) > > { > > Name (_HID, "MSFT0101" /* TPM 2.0 Security Device */) // _HID: Hardware ID > > Name (_STR, Unicode ("TPM 2.0 Device")) // _STR: Description String Name > > (CRS, ResourceTemplate () { Memory32Fixed (ReadOnly, > > 0x00000000, // Address Base > > 0x00001000, // Address Length > > _Y00) > > > I'm not sure what is that? > > > Memory32Fixed (ReadOnly, > > 0xFED70000, // Address Base > > 0x00001000, // Address Length > > ) > > But 0xFED70000 should point to CCA
When I implemented originally the driver I followed the MS specification and used the value from TPM2 ACPI table.
The driver ioremaps 00000000CCDFF000, not the address from SSDT.
> Tomas > Thanks
/Jarkko
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