[coreboot-gerrit] New patch to review for coreboot: skylake: Enable DPTF based on devicetree setting
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Mon Sep 7 18:43:09 CET 2015
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/11565
-gerrit
commit a43f4da6503801cdf81a94863e061eddb77ed868
Author: Duncan Laurie <dlaurie at chromium.org>
Date: Fri Sep 4 13:53:14 2015 -0700
skylake: Enable DPTF based on devicetree setting
Enable DPTF flag in ACPI NVS based on devicetree setting
for the mainboard.
BUG=chrome-os-partner:40635
BRANCH=none
TEST=emerge-glaods coreboot
Change-Id: I06ec6b050eb83c6a7ee1e48f2bd9f5920f7bfa51
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: 5728a8a37b1a50a483aa211563fb7ad312002ce5
Original-Change-Id: I08d61416c24b3c8857205cf88931f0bb2b38896c
Original-Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/297755
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
---
src/soc/intel/skylake/acpi.c | 6 ++++++
src/soc/intel/skylake/chip.h | 3 +++
2 files changed, 9 insertions(+)
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c
index 87d4eb0..1c3ec79 100644
--- a/src/soc/intel/skylake/acpi.c
+++ b/src/soc/intel/skylake/acpi.c
@@ -169,6 +169,9 @@ static int get_cores_per_package(void)
void acpi_init_gnvs(global_nvs_t *gnvs)
{
+ const struct device *dev = dev_find_slot(0, PCH_DEVFN_LPC);
+ const struct soc_intel_skylake_config *config = dev->chip_info;
+
/* Set unknown wake source */
gnvs->pm1i = -1;
@@ -189,6 +192,9 @@ void acpi_init_gnvs(global_nvs_t *gnvs)
#endif
gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO;
#endif
+
+ /* Enable DPTF based on mainboard configuration */
+ gnvs->dpte = config->dptf_enable;
}
unsigned long acpi_fill_mcfg(unsigned long current)
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h
index 9b43b7f..94aa3a4 100644
--- a/src/soc/intel/skylake/chip.h
+++ b/src/soc/intel/skylake/chip.h
@@ -86,6 +86,9 @@ struct soc_intel_skylake_config {
/* Enable S0iX support */
int s0ix_enable;
+ /* Enable DPTF support */
+ int dptf_enable;
+
/* Deep SX enable for both AC and DC */
int deep_s3_enable;
int deep_s5_enable;
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