Add firewall configurations to protect ATF and OP-TEE memory regions from non-secure reads and writes in AM64x.
Signed-off-by: Suhaas Joshi <[email protected]> --- arch/arm/dts/k3-am64x-binman.dtsi | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm/dts/k3-am64x-binman.dtsi b/arch/arm/dts/k3-am64x-binman.dtsi index 32e47a3f688..f3c7f2c939d 100644 --- a/arch/arm/dts/k3-am64x-binman.dtsi +++ b/arch/arm/dts/k3-am64x-binman.dtsi @@ -139,6 +139,37 @@ #address-cells = <1>; images { + atf { + ti-secure { + auth-in-place = <0xa02>; + + firewall-24-5 { + insert-template = <&firewall_armv8_atf_fg>; + id = <24>; + region = <5>; + }; + }; + }; + + tee { + ti-secure { + auth-in-place = <0xa02>; + + firewall-1-0 { + insert-template = <&firewall_bg_3>; + id = <1>; + region = <0>; + }; + + + firewall-1-1 { + insert-template = <&firewall_armv8_optee_fg>; + id = <1>; + region = <1>; + }; + }; + }; + dm { blob-ext { filename = "/dev/null"; -- 2.34.1
