[U-Boot] [PATCH 36/40] x86: samus: Update device tree for verified boot
Simon Glass
sjg at chromium.org
Wed Jan 30 03:59:31 UTC 2019
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>
---
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 348d012e23..7c5b1e4010 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";
@@ -552,7 +558,7 @@
#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>;
@@ -646,6 +652,10 @@
u-boot,dm-pre-reloc;
reg = <0xfed40000 0x5000>;
compatible = "infineon,slb9635lpc";
+ secdata {
+ u-boot,dm-pre-reloc;
+ compatible = "google,tpm-secdata";
+ };
};
microcode {
@@ -657,3 +667,13 @@
};
};
+
+&rtc {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ nvdata {
+ u-boot,dm-pre-reloc;
+ compatible = "google,cmos-nvdata";
+ reg = <0x26>;
+ };
+};
--
2.20.1.495.gaa96b0ce6b-goog
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