The following commits adds the configuration of firewalls required to protect ATF and OP-TEE memory region from non-secure reads and writes using master and slave firewalls present in our K3 SOCs.
Signed-off-by: Manorit Chawdhry m-chawdhry@ti.com --- arch/arm/dts/k3-j7200-binman.dtsi | 90 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+)
diff --git a/arch/arm/dts/k3-j7200-binman.dtsi b/arch/arm/dts/k3-j7200-binman.dtsi index 38cccabaa71d..06db86598761 100644 --- a/arch/arm/dts/k3-j7200-binman.dtsi +++ b/arch/arm/dts/k3-j7200-binman.dtsi @@ -195,6 +195,96 @@
fit { images { + atf { + ti-secure { + auth-in-place = <0xa02>; + + firewall-257-0 { + /* cpu_0_cpu_0_msmc Background Firewall */ + insert-template = <&firewall_bg_1>; + id = <257>; + region = <0>; + }; + + firewall-257-1 { + /* cpu_0_cpu_0_msmc Foreground Firewall */ + insert-template = <&firewall_armv8_atf_fg>; + id = <257>; + region = <1>; + }; + + /* firewall-4760-0 { + * nb_slv0__mem0 Background Firewall + * Already configured by the secure entity + * }; + */ + + firewall-4760-1 { + /* nb_slv0__mem0 Foreground Firewall */ + insert-template = <&firewall_armv8_atf_fg>; + id = <4760>; + region = <1>; + }; + + /* firewall-4761-0 { + * nb_slv1__mem0 Background Firewall + * Already configured by the secure entity + * }; + */ + + firewall-4761-1 { + /* nb_slv1__mem0 Foreground Firewall */ + insert-template = <&firewall_armv8_atf_fg>; + id = <4761>; + region = <1>; + }; + }; + }; + + tee { + ti-secure { + auth-in-place = <0xa02>; + + /* cpu_0_cpu_0_msmc region 0 and 1 configured + * during ATF Firewalling + */ + + firewall-257-2 { + /* cpu_0_cpu_0_msmc Foreground Firewall */ + insert-template = <&firewall_armv8_optee_fg>; + id = <257>; + region = <2>; + }; + + firewall-4762-0 { + /* nb_slv2__mem0 Background Firewall - 0 */ + insert-template = <&firewall_bg_3>; + id = <4762>; + region = <0>; + }; + + firewall-4762-1 { + /* nb_slv2__mem0 Foreground Firewall */ + insert-template = <&firewall_armv8_optee_fg>; + id = <4762>; + region = <1>; + }; + + firewall-4763-0 { + /* nb_slv3__mem0 Background Firewall - 0 */ + insert-template = <&firewall_bg_3>; + id = <4763>; + region = <0>; + }; + + firewall-4763-1 { + /* nb_slv3__mem0 Foreground Firewall */ + insert-template = <&firewall_armv8_optee_fg>; + id = <4763>; + region = <1>; + }; + }; + }; dm { ti-secure { content = <&dm>;