From: Manorit Chawdhry <m-chawdhry@ti.com>
Date: Fri, 29 Dec 2023 10:46:28 +0000 (+0530)
Subject: arm: dts: k3-binman: Add k3-security.h and include it in k3-binman.dtsi
X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-logo.png?a=commitdiff_plain;h=89caf6d6c52dd9f75152ff771f46a0d6d0790f61;p=u-boot.git

arm: dts: k3-binman: Add k3-security.h and include it in k3-binman.dtsi

For readability during configuring firewalls, adding k3-security.h file
and including it in k3-binman.dtsi to be accessible across K3 SoCs

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
---

diff --git a/arch/arm/dts/k3-binman.dtsi b/arch/arm/dts/k3-binman.dtsi
index cd9926a016..758c8bf6ea 100644
--- a/arch/arm/dts/k3-binman.dtsi
+++ b/arch/arm/dts/k3-binman.dtsi
@@ -3,6 +3,8 @@
  * Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
  */
 
+#include "k3-security.h"
+
 / {
 	binman: binman {
 		multiple-images;
@@ -437,6 +439,53 @@
 			};
 		};
 	};
+	firewall_bg_1: template-5 {
+		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_bg_3: template-6 {
+		insert-template = <&firewall_bg_1>;
+		permissions = <((FWPRIVID_ALL << FWPRIVID_SHIFT) |
+						FWPERM_SECURE_PRIV_RWCD |
+						FWPERM_SECURE_USER_RWCD |
+						FWPERM_NON_SECURE_PRIV_RWCD |
+						FWPERM_NON_SECURE_USER_RWCD)>,
+					  <((FWPRIVID_ALL << FWPRIVID_SHIFT) |
+						FWPERM_SECURE_PRIV_RWCD |
+						FWPERM_SECURE_USER_RWCD |
+						FWPERM_NON_SECURE_PRIV_RWCD |
+						FWPERM_NON_SECURE_USER_RWCD)>,
+					  <((FWPRIVID_ALL << FWPRIVID_SHIFT) |
+						FWPERM_SECURE_PRIV_RWCD |
+						FWPERM_SECURE_USER_RWCD |
+						FWPERM_NON_SECURE_PRIV_RWCD |
+						FWPERM_NON_SECURE_USER_RWCD)>;
+	};
+	firewall_armv8_atf_fg: template-7 {
+		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_armv8_optee_fg: template-8 {
+		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>;
+	};
 
 };
 
diff --git a/arch/arm/dts/k3-security.h b/arch/arm/dts/k3-security.h
new file mode 100644
index 0000000000..33609caa8f
--- /dev/null
+++ b/arch/arm/dts/k3-security.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef DTS_ARM64_TI_K3_FIREWALL_H
+#define DTS_ARM64_TI_K3_FIREWALL_H
+
+#define FWPRIVID_ALL    0xc3
+#define FWPRIVID_ARMV8  1
+#define FWPRIVID_SHIFT  16
+
+#define FWCTRL_EN     0xA
+#define FWCTRL_LOCK   (1 << 4)
+#define FWCTRL_BG     (1 << 8)
+#define FWCTRL_CACHE  (1 << 9)
+
+#define FWPERM_SECURE_PRIV_WRITE      (1 << 0)
+#define FWPERM_SECURE_PRIV_READ       (1 << 1)
+#define FWPERM_SECURE_PRIV_CACHEABLE  (1 << 2)
+#define FWPERM_SECURE_PRIV_DEBUG      (1 << 3)
+
+#define FWPERM_SECURE_PRIV_RWCD       (FWPERM_SECURE_PRIV_READ | \
+									   FWPERM_SECURE_PRIV_WRITE | \
+									   FWPERM_SECURE_PRIV_CACHEABLE | \
+									   FWPERM_SECURE_PRIV_DEBUG)
+
+#define FWPERM_SECURE_USER_WRITE      (1 << 4)
+#define FWPERM_SECURE_USER_READ       (1 << 5)
+#define FWPERM_SECURE_USER_CACHEABLE  (1 << 6)
+#define FWPERM_SECURE_USER_DEBUG      (1 << 7)
+
+#define FWPERM_SECURE_USER_RWCD       (FWPERM_SECURE_USER_READ | \
+									   FWPERM_SECURE_USER_WRITE | \
+									   FWPERM_SECURE_USER_CACHEABLE | \
+									   FWPERM_SECURE_USER_DEBUG)
+
+#define FWPERM_NON_SECURE_PRIV_WRITE      (1 << 8)
+#define FWPERM_NON_SECURE_PRIV_READ       (1 << 9)
+#define FWPERM_NON_SECURE_PRIV_CACHEABLE  (1 << 10)
+#define FWPERM_NON_SECURE_PRIV_DEBUG      (1 << 11)
+
+#define FWPERM_NON_SECURE_PRIV_RWCD       (FWPERM_NON_SECURE_PRIV_READ | \
+										   FWPERM_NON_SECURE_PRIV_WRITE | \
+										   FWPERM_NON_SECURE_PRIV_CACHEABLE | \
+										   FWPERM_NON_SECURE_PRIV_DEBUG)
+
+#define FWPERM_NON_SECURE_USER_WRITE      (1 << 12)
+#define FWPERM_NON_SECURE_USER_READ       (1 << 13)
+#define FWPERM_NON_SECURE_USER_CACHEABLE  (1 << 14)
+#define FWPERM_NON_SECURE_USER_DEBUG      (1 << 15)
+
+#define FWPERM_NON_SECURE_USER_RWCD       (FWPERM_NON_SECURE_USER_READ | \
+										   FWPERM_NON_SECURE_USER_WRITE | \
+										   FWPERM_NON_SECURE_USER_CACHEABLE | \
+										   FWPERM_NON_SECURE_USER_DEBUG)
+
+#endif