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authorYouness Alaoui <youness.alaoui@puri.sm>2018-03-13 16:58:52 -0400
committerPatrick Georgi <pgeorgi@google.com>2018-03-26 10:25:58 +0000
commitbe78775a9302f9526df6eb61f8a430f4298f0e97 (patch)
tree7d71e3134de4ae8cdf629b123654fad416bbd278 /src
parent6aa28d93b354845e96c7154b1670864fa48ac16a (diff)
ec/purism: Fix CPU Turbo value (PPCM) set by the EC
The EC needs to set the PPCM value depending on whether Turbo is enabled or not, and the values differ between Broadwell (0, 1) and Skylake (1, 2) platforms. Change-Id: I662dce54415e685c054ffc00b6afde0f1f7765e2 Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm> Reviewed-on: https://review.coreboot.org/25329 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/ec/purism/librem/acpi/ec.asl4
-rw-r--r--src/mainboard/purism/librem13v1/acpi/ec.asl2
-rw-r--r--src/mainboard/purism/librem_skl/acpi/ec.asl2
3 files changed, 6 insertions, 2 deletions
diff --git a/src/ec/purism/librem/acpi/ec.asl b/src/ec/purism/librem/acpi/ec.asl
index e95f126c63..ff325aa9a3 100644
--- a/src/ec/purism/librem/acpi/ec.asl
+++ b/src/ec/purism/librem/acpi/ec.asl
@@ -218,11 +218,11 @@ Device (EC)
* when the system is charging.
*/
If (TURB) {
- Store (Zero, PPCM)
+ Store (PPCM_TURBO, PPCM)
PPCN ()
Store (One, EDTB)
} Else {
- Store (One, PPCM)
+ Store (PPCM_NOTURBO, PPCM)
PPCN ()
Store (Zero, EDTB)
}
diff --git a/src/mainboard/purism/librem13v1/acpi/ec.asl b/src/mainboard/purism/librem13v1/acpi/ec.asl
index cf8b9a91d9..b2fa5b9924 100644
--- a/src/mainboard/purism/librem13v1/acpi/ec.asl
+++ b/src/mainboard/purism/librem13v1/acpi/ec.asl
@@ -14,5 +14,7 @@
*/
#define EC_SCI_GPI 10
+#define PPCM_TURBO Zero
+#define PPCM_NOTURBO One
#include <ec/purism/librem/acpi/ec.asl>
diff --git a/src/mainboard/purism/librem_skl/acpi/ec.asl b/src/mainboard/purism/librem_skl/acpi/ec.asl
index 4215213737..c667b6c41b 100644
--- a/src/mainboard/purism/librem_skl/acpi/ec.asl
+++ b/src/mainboard/purism/librem_skl/acpi/ec.asl
@@ -14,5 +14,7 @@
*/
#define EC_SCI_GPI 0x50
+#define PPCM_TURBO One
+#define PPCM_NOTURBO 0x02
#include <ec/purism/librem/acpi/ec.asl>