New patch to review for coreboot: mainboard/google/poppy: SD card changes

[Furquan Shaikh]

Furquan Shaikh ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18138

-gerrit

commit 73531fa8a9fc376eb8512a89c910f7113824ec35
Author: Furquan Shaikh 
Date:   Fri Jan 13 17:27:36 2017 -0800

mainboard/google/poppy: SD card changes

1. Disable WP
    2. Pass SD card detect info in ACPI

BUG=chrome-os-partner:60713
    BRANCH=None
    TEST=Verified that OS is able to detect SD card and read/write to it.

Change-Id: Ide84d4b86c0fac50a07520dfd76d6d3a921f2ecc
    Signed-off-by: Furquan Shaikh 
---
 src/mainboard/google/poppy/devicetree.cb | 3 +++
 src/mainboard/google/poppy/gpio.h        | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/google/poppy/devicetree.cb b/src/mainboard/google/poppy/devicetree.cb
index 8699bc1..a9e0cef 100644
--- a/src/mainboard/google/poppy/devicetree.cb
+++ b/src/mainboard/google/poppy/devicetree.cb
@@ -185,6 +185,9 @@ chip soc/intel/skylake
    register "speed_shift_enable" = "1"
    register "tdp_pl2_override" = "7"

+	# Use default SD card detect GPIO configuration
+	register "sdcard_cd_gpio_default" = "GPP_G7"
+
    device cpu_cluster 0 on
    	device lapic 0 on end
    end
diff --git a/src/mainboard/google/poppy/gpio.h b/src/mainboard/google/poppy/gpio.h
index 914b8ed..0a2544c 100644
--- a/src/mainboard/google/poppy/gpio.h
+++ b/src/mainboard/google/poppy/gpio.h
@@ -210,7 +210,7 @@ static const struct pad_config gpio_table[] = {
 /* SD_DATA3 */		PAD_CFG_NF(GPP_G4, NONE, DEEP, NF1),
 /* SD_CD# */		PAD_CFG_NF(GPP_G5, NONE, DEEP, NF1),
 /* SD_CLK */		PAD_CFG_NF(GPP_G6, NONE, DEEP, NF1),
-/* SD_WP */		PAD_CFG_NF(GPP_G7, NONE, DEEP, NF1),
+/* SD_WP */		PAD_CFG_NF(GPP_G7, 20K_PD, DEEP, NF1),

/* BATLOW# */		PAD_CFG_NF(GPD0, NONE, DEEP, NF1),
 /* ACPRESENT */		PAD_CFG_NF(GPD1, NONE, DEEP, NF1),