[PATCH v3 02/10] arm: dts: k3-am625-binman: Configure firewall for ATF/OPTEE
Suhaas Joshi
s-joshi at ti.com
Tue Jan 27 09:16:44 CET 2026
Add firewall configurations to protect ATF and OP-TEE memory regions
from non-secure reads and writes in AM62x.
Signed-off-by: Suhaas Joshi <s-joshi at ti.com>
---
arch/arm/dts/k3-am625-sk-binman.dtsi | 29 ++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/dts/k3-am625-sk-binman.dtsi b/arch/arm/dts/k3-am625-sk-binman.dtsi
index 42edb35fa7b..8d6015e44a9 100644
--- a/arch/arm/dts/k3-am625-sk-binman.dtsi
+++ b/arch/arm/dts/k3-am625-sk-binman.dtsi
@@ -275,6 +275,35 @@
fit {
images {
+ atf {
+ 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_atf_fg>;
+ id = <1>;
+ region = <1>;
+ };
+ };
+ };
+
+ tee {
+ ti-secure {
+ auth-in-place = <0xa02>;
+
+ firewall-1-2 {
+ insert-template = <&firewall_armv8_optee_fg>;
+ id = <1>;
+ region = <2>;
+ };
+ };
+ };
tifsstub-hs {
description = "TIFSSTUB";
--
2.34.1
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