[PATCH v3 4/6] binman: j721e: Add firewall configurations

Manorit Chawdhry m-chawdhry at ti.com
Wed Oct 4 14:31:33 CEST 2023


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 at ti.com>
---
 arch/arm/dts/k3-j721e-binman.dtsi | 187 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 187 insertions(+)

diff --git a/arch/arm/dts/k3-j721e-binman.dtsi b/arch/arm/dts/k3-j721e-binman.dtsi
index 4f566c21a9af..a2ad86822112 100644
--- a/arch/arm/dts/k3-j721e-binman.dtsi
+++ b/arch/arm/dts/k3-j721e-binman.dtsi
@@ -330,6 +330,102 @@
 					ti-secure {
 						content = <&atf>;
 						keyfile = "custMpk.pem";
+						auth_in_place = <0xa02>;
+
+						firewall-257-0 {
+							/* cpu_0_cpu_0_msmc Background Firewall */
+							id = <257>;
+							region = <0>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_BG | FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ALL << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD |
+											FWPERM_NON_SECURE_PRIV_RWCD |
+											FWPERM_NON_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x0>;
+							end_address = <0xff 0xffffffff>;
+						};
+
+						firewall-257-1 {
+							/* cpu_0_cpu_0_msmc Foreground Firewall */
+							id = <257>;
+							region = <1>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x70000000>;
+							end_address = <0x0 0x7001ffff>;
+						};
+
+						firewall-284-0 {
+							/* dru_0_msmc Background Firewall */
+							id = <284>;
+							region = <0>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_BG | FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ALL << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD |
+											FWPERM_NON_SECURE_PRIV_RWCD |
+											FWPERM_NON_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x0>;
+							end_address = <0xff 0xffffffff>;
+						};
+
+						firewall-284-1 {
+							/* dru_0_msmc Foreground Firewall */
+							id = <284>;
+							region = <1>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x70000000>;
+							end_address = <0x0 0x7001ffff>;
+						};
+
+						/*	firewall-4760-0 {
+						 *		nb_slv0__mem0 Background Firewall
+						 *		Already configured by the secure entity
+						 *	};
+						 */
+
+						firewall-4760-1 {
+							/* nb_slv0__mem0 Foreground Firewall */
+							id = <4760>;
+							region = <1>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x70000000>;
+							end_address = <0x0 0x7001ffff>;
+						};
+
+						/*	firewall-4761-0 {
+						 *		nb_slv1__mem0 Background Firewall
+						 *		Already configured by the secure entity
+						 *	};
+						 */
+
+						firewall-4761-1 {
+							/* nb_slv1__mem0 Foreground Firewall */
+							id = <4761>;
+							region = <1>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x70000000>;
+							end_address = <0x0 0x7001ffff>;
+						};
+
 					};
 					atf: atf-bl31 {
 					};
@@ -346,6 +442,97 @@
 					ti-secure {
 						content = <&tee>;
 						keyfile = "custMpk.pem";
+						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 */
+							id = <257>;
+							region = <2>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x9e800000>;
+							end_address = <0x0 0x9fffffff>;
+						};
+
+						/* dru_0_msmc region 0 and 1 configured
+						 * during ATF Firewalling
+						 */
+
+						firewall-284-2 {
+							/* dru_0_msmc Foreground Firewall */
+							id = <284>;
+							region = <2>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x9e800000>;
+							end_address = <0x0 0x9fffffff>;
+						};
+
+						firewall-4762-0 {
+							/* nb_slv2__mem0 Background Firewall */
+							id = <4762>;
+							region = <0>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_BG | FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ALL << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD |
+											FWPERM_NON_SECURE_PRIV_RWCD |
+											FWPERM_NON_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x0>;
+							end_address = <0xff 0xffffffff>;
+						};
+
+						firewall-4762-1 {
+							/* nb_slv2__mem0 Foreground Firewall */
+							id = <4762>;
+							region = <1>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x9e800000>;
+							end_address = <0x0 0x9fffffff>;
+						};
+
+						firewall-4763-0 {
+							/* nb_slv3__mem0 Background Firewall */
+							id = <4763>;
+							region = <0>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_BG | FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ALL << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD |
+											FWPERM_NON_SECURE_PRIV_RWCD |
+											FWPERM_NON_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x0>;
+							end_address = <0xff 0xffffffff>;
+						};
+
+						firewall-4763-1 {
+							/* nb_slv3__mem0 Foreground Firewall */
+							id = <4763>;
+							region = <1>;
+							control = <(FWCTRL_EN | FWCTRL_LOCK |
+										FWCTRL_CACHE)>;
+							permissions = <((FWPRIVID_ARMV8 << FWPRIVID_SHIFT) |
+											FWPERM_SECURE_PRIV_RWCD |
+											FWPERM_SECURE_USER_RWCD)>;
+							start_address = <0x0 0x9e800000>;
+							end_address = <0x0 0x9fffffff>;
+						};
 					};
 					tee: tee-os {
 					};

-- 
2.41.0



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