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-rw-r--r--arch/x86/dts/conga-qeval20-qa3-e3845.dts18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/x86/dts/conga-qeval20-qa3-e3845.dts b/arch/x86/dts/conga-qeval20-qa3-e3845.dts
index 1a4ecaad0e..fba089d666 100644
--- a/arch/x86/dts/conga-qeval20-qa3-e3845.dts
+++ b/arch/x86/dts/conga-qeval20-qa3-e3845.dts
@@ -30,6 +30,22 @@
pch_pinctrl {
compatible = "intel,x86-pinctrl";
+ reg = <0 0>;
+
+ /*
+ * As of today, the latest version FSP (gold4) for BayTrail
+ * misses the PAD configuration of the SD controller's Card
+ * Detect signal. The default PAD value for the CD pin sets
+ * the pin to work in GPIO mode, which causes card detect
+ * status cannot be reflected by the Present State register
+ * in the SD controller (bit 16 & bit 18 are always zero).
+ *
+ * Configure this pin to function 1 (SD controller).
+ */
+ sdmmc3_cd@0 {
+ pad-offset = <0x3a0>;
+ mode-func = <1>;
+ };
};
chosen {
@@ -217,7 +233,7 @@
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
- fsp,emmc-boot-mode = <2>;
+ fsp,emmc-boot-mode = <1>;
fsp,enable-sdio;
fsp,enable-sdcard;
fsp,enable-hsuart1;
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