[PATCH v3 09/10] arm: dts: k3-am64x-binman: Configure firewall for ATF/OPTEE
Suhaas Joshi
s-joshi at ti.com
Tue Jan 27 09:16:51 CET 2026
Add firewall configurations to protect ATF and OP-TEE memory regions
from non-secure reads and writes in AM64x.
Signed-off-by: Suhaas Joshi <s-joshi at ti.com>
---
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
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