[U-Boot] [PATCH v4 2/4] x86: samus: Update device tree for verified boot

[Simon Glass]

Add nvdata drivers for the TPM and RTC as used on samus. These are needed
for Chromium OS verified boot on samus.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None

 arch/x86/dts/chromebook_samus.dts | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/arch/x86/dts/chromebook_samus.dts b/arch/x86/dts/chromebook_samus.dts
index c4207af48a7..772ea5c91be 100644
--- a/arch/x86/dts/chromebook_samus.dts
+++ b/arch/x86/dts/chromebook_samus.dts
@@ -9,6 +9,12 @@
 /include/ "rtc.dtsi"
 /include/ "tsc_timer.dtsi"
 
+#ifdef CONFIG_CHROMEOS
+#include "chromeos-x86.dtsi"
+#include "flashmap-x86-ro.dtsi"
+#include "flashmap-8mb-rw.dtsi"
+#endif
+
 / {
 	model = "Google Samus";
 	compatible = "google,samus", "intel,broadwell";
@@ -581,7 +587,7 @@
 				#address-cells = <1>;
 				#size-cells = <0>;
 				compatible = "intel,ich9-spi";
-				spi-flash at 0 {
+				fwstore_spi: spi-flash at 0 {
 					u-boot,dm-pre-reloc;
 					#size-cells = <1>;
 					#address-cells = <1>;
@@ -670,6 +676,10 @@
 		u-boot,dm-pre-reloc;
 		reg = <0xfed40000 0x5000>;
 		compatible = "infineon,slb9635lpc";
+		secdata {
+			u-boot,dm-pre-reloc;
+			compatible = "google,tpm-secdata";
+		};
 	};
 
 	microcode {
@@ -693,3 +703,13 @@
 	};
 
 };
+
+&rtc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	nvdata {
+		u-boot,dm-pre-reloc;
+		compatible = "google,cmos-nvdata";
+		reg = <0x26>;
+	};
+};
-- 
2.21.0.1020.gf2820cf01a-goog