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[U-Boot,36/40] x86: samus: Update device tree for verified boot

Message ID 20190130035935.235565-37-sjg@chromium.org
State Superseded
Delegated to: Bin Meng
Headers show
Series x86: Add support for booting from TPL | expand

Commit Message

Simon Glass Jan. 30, 2019, 3:59 a.m. UTC 
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@chromium.org>
---

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

Comments

Bin Meng Feb. 22, 2019, 7:20 a.m. UTC | #1 
On Wed, Jan 30, 2019 at 12:01 PM Simon Glass <sjg@chromium.org> wrote:
>
> 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@chromium.org>
> ---
>
>  arch/x86/dts/chromebook_samus.dts | 22 +++++++++++++++++++++-
>  1 file changed, 21 insertions(+), 1 deletion(-)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff mbox series

Patch

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@0 {
+				fwstore_spi: spi-flash@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>;
+	};
+};