[coreboot-gerrit] New patch to review for coreboot: intel/kunimitsu: Add SD card detect GPIO for SDHCI runtime PM
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Tue Mar 8 23:04:43 CET 2016
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13990
-gerrit
commit bfa5d4279cd4dc29f569bee9973b3e0237bd9ce2
Author: mgarima <medha.garima at 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 at chromium.org>
Original-Commit-Id: b552120cfeff09d16cb79652b7de7296121858ba
Original-Change-Id: Id82df475b262e8a91f0a93f8ddf80002b05c52f3
Original-Signed-off-by: Medha Garima <medha.garima at intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/329651
Original-Commit-Ready: Jenny Tc <jenny.tc at intel.com>
Original-Tested-by: Jenny Tc <jenny.tc at intel.com>
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/331172
Original-Commit-Ready: Patrick Georgi <pgeorgi at chromium.org>
Original-Tested-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Reviewed-by: Patrick Georgi <pgeorgi at 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[] = {
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