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authorElyes HAOUAS <ehaouas@noos.fr>2018-11-13 14:23:29 +0100
committerPatrick Georgi <pgeorgi@google.com>2018-11-21 12:12:04 +0000
commit0cca6e24b741c4e46cc85ff04635fe4df05cf949 (patch)
treea55d3db37dcca26407dcb3930bdca7055b32ac95 /src/mainboard/lenovo/x200
parent15209ce39ac510858fea783b9a2dfedee126f502 (diff)
downloadcoreboot-0cca6e24b741c4e46cc85ff04635fe4df05cf949.tar.xz
ACPI: Fix DSDT's revision field
DSDT revision is =1 for ACPI v1 and =2 for greater ACPI version. This will cause the AML interpreter to use 32-bit integers and math if the version is 1, and 64-bit if the version is >=2. Current spec version is 2 for ACPI 6.2-a. Change-Id: I77372882d5c77b7ed52dcdd88028403df6f6fa7f Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/29626 Reviewed-by: Patrick Rudolph <siro@das-labor.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/lenovo/x200')
-rw-r--r--src/mainboard/lenovo/x200/dsdt.asl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/lenovo/x200/dsdt.asl b/src/mainboard/lenovo/x200/dsdt.asl
index 42fcab3a85..9bf858de24 100644
--- a/src/mainboard/lenovo/x200/dsdt.asl
+++ b/src/mainboard/lenovo/x200/dsdt.asl
@@ -22,7 +22,7 @@
DefinitionBlock(
"dsdt.aml",
"DSDT",
- 0x03, // DSDT revision: ACPI v3.0
+ 0x02, // DSDT revision: ACPI v2.0 and up
"COREv4", // OEM id
"COREBOOT", // OEM table id
0x20090419 // OEM revision