Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13990
-gerrit
commit 4432e2aff824621fb2cec6b769e35cb56121a56e Author: mgarima medha.garima@intel.com Date: Mon Feb 29 15:11:18 2016 +0530
intel/kunimitsu: Add SD card detect GPIO for SDHCI runtime PM
Enable SDHCI runtime PM since the display flicker due to SCC Power Gatingis addressed by 0x82 microcode
BRANCH=glados BUG=chrome-os-partner:44663 TEST=Check if display flicker is gone when SCC is power-gated
Change-Id: I7d1ac6e77a0d2e0a25414df6130862efcdae2c82 Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: b552120cfeff09d16cb79652b7de7296121858ba Original-Change-Id: Id82df475b262e8a91f0a93f8ddf80002b05c52f3 Original-Signed-off-by: Medha Garima medha.garima@intel.com Original-Reviewed-on: https://chromium-review.googlesource.com/329651 Original-Commit-Ready: Jenny Tc jenny.tc@intel.com Original-Tested-by: Jenny Tc jenny.tc@intel.com Original-Reviewed-by: Aaron Durbin adurbin@chromium.org Original-Reviewed-on: https://chromium-review.googlesource.com/331172 Original-Commit-Ready: Patrick Georgi pgeorgi@chromium.org Original-Tested-by: Patrick Georgi pgeorgi@chromium.org Original-Reviewed-by: Patrick Georgi pgeorgi@chromium.org --- src/mainboard/intel/kunimitsu/acpi/mainboard.asl | 19 +++++++++++++++++++ src/mainboard/intel/kunimitsu/gpio.h | 3 +++ 2 files changed, 22 insertions(+)
diff --git a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl index f44e362..4a85e35 100644 --- a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl +++ b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl @@ -308,3 +308,22 @@ Scope (_SB.PCI0.I2C4) } } } + +Scope (_SB.PCI0.SDXC) +{ + Name (_CRS, ResourceTemplate () { + GpioInt (Edge, ActiveBoth, SharedAndWake, PullNone, 10000, + "\_SB.PCI0.GPIO", 0, ResourceConsumer) + { + GPIO_SD_CARD_DETECT + } + }) + + Name (_DSD, Package () { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () + { + Package () { "cd-gpio", Package () { ^SDXC, 0, 0, 1 } }, + } + }) +} diff --git a/src/mainboard/intel/kunimitsu/gpio.h b/src/mainboard/intel/kunimitsu/gpio.h index 2dc8cfc..de51fb5 100644 --- a/src/mainboard/intel/kunimitsu/gpio.h +++ b/src/mainboard/intel/kunimitsu/gpio.h @@ -58,6 +58,9 @@ */ #define AUDIO_DB_ID GPP_E3
+/* SD controller needs additional card detect GPIO to support RTD3 */ +#define GPIO_SD_CARD_DETECT GPP_A7 + #ifndef __ACPI__ /* Pad configuration in ramstage. */ static const struct pad_config gpio_table[] = {