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 Reviewed-by: Bin Meng bmeng.cn@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@0 { + fwstore_spi: spi-flash@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>; + }; +};