sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

soc/amd/acpi: Move ACPI IVRS generation to coreboot

Browse Source 
Add code for IVRS generation to coreboot. Publish coreboot generated
structure rather than IVRS generated by FSP binary.

Reference Doc: 48882_IOMMU_3.05_PUB.pdf

BUG=b:155307433
TEST=Boot trembyle to shell and extract and compare IVRS tables and make
sure they cover the same devices.

Change-Id: I693f4399766c71c3ad53539634c65ba59afd0fe1
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43804
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Jason Glenesk
2020-07-24 02:51:30 -07:00
committed by Felix Held
parent dcae8074bf
commit 1916f8969b
3 changed files with 563 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/acpi/acpi.c
View File

@@ -1626,7 +1626,7 @@ int get_acpi_table_revision(enum acpi_tables table)
case VFCT: /* ACPI 2.0/3.0/4.0: 1 */
return 1;
case IVRS:
return IVRS_FORMAT_FIXED;
return IVRS_FORMAT_MIXED;
case DBG2:
return 0;
case FACS: /* ACPI 2.0/3.0: 1, ACPI 4.0 upto 6.3: 2 */