Merge tag 'u-boot-stm32-20200616' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm

- fix boot with OP-TEE for stm32mp15 boards

5 files changed, 38 insertions, 15 deletions

diff --git a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
index c52abeb1e7..3fedb6f1e1 100644
--- a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
@@ -20,6 +20,21 @@
 		st,fastboot-gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
 		st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
 	};
+
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
+	reserved-memory {
+		optee@de000000 {
+			reg = <0xde000000 0x02000000>;
+			no-map;
+		};
+	};
+
 	led {
 		red {
 			label = "error";
diff --git a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
index 84af7fa47b..a07c585415 100644
--- a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
@@ -21,6 +21,20 @@
 		st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
 	};
 
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
+	reserved-memory {
+		optee@fe000000 {
+			reg = <0xfe000000 0x02000000>;
+			no-map;
+		};
+	};
+
 	led {
 		red {
 			label = "error";
diff --git a/arch/arm/dts/stm32mp157c-ed1.dts b/arch/arm/dts/stm32mp157c-ed1.dts
index 4fb71100f5..186dc46754 100644
--- a/arch/arm/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/dts/stm32mp157c-ed1.dts
@@ -70,11 +70,6 @@
 			reg = <0xe8000000 0x8000000>;
 			no-map;
 		};
-
-		optee@fe000000 {
-			reg = <0xfe000000 0x02000000>;
-			no-map;
-		};
 	};
 
 	aliases {
diff --git a/arch/arm/dts/stm32mp15xx-dkx.dtsi b/arch/arm/dts/stm32mp15xx-dkx.dtsi
index 812e370ee4..7589c6f9dc 100644
--- a/arch/arm/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dkx.dtsi
@@ -58,11 +58,6 @@
 			reg = <0xd4000000 0x4000000>;
 			no-map;
 		};
-
-		optee@de000000 {
-			reg = <0xde000000 0x02000000>;
-			no-map;
-		};
 	};
 
 	led {
diff --git a/arch/arm/mach-stm32mp/fdt.c b/arch/arm/mach-stm32mp/fdt.c
index c723b223e0..959f12efe1 100644
--- a/arch/arm/mach-stm32mp/fdt.c
+++ b/arch/arm/mach-stm32mp/fdt.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
 /*
- * Copyright (C) 2019, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2019-2020, STMicroelectronics - All Rights Reserved
  */
 
 #include <common.h>
@@ -224,19 +224,23 @@ static void stm32_fdt_disable_optee(void *blob)
 {
 	int off, node;
 
+	/* Delete "optee" firmware node */
 	off = fdt_node_offset_by_compatible(blob, -1, "linaro,optee-tz");
 	if (off >= 0 && fdtdec_get_is_enabled(blob, off))
-		fdt_status_disabled(blob, off);
+		fdt_del_node(blob, off);
 
-	/* Disabled "optee@..." reserved-memory node */
+	/* Delete "optee@..." reserved-memory node */
 	off = fdt_path_offset(blob, "/reserved-memory/");
 	if (off < 0)
 		return;
 	for (node = fdt_first_subnode(blob, off);
 	     node >= 0;
 	     node = fdt_next_subnode(blob, node)) {
-		if (!strncmp(fdt_get_name(blob, node, NULL), "optee@", 6))
-			fdt_status_disabled(blob, node);
+		if (strncmp(fdt_get_name(blob, node, NULL), "optee@", 6))
+			continue;
+
+		if (fdt_del_node(blob, node))
+			printf("Failed to remove optee reserved-memory node\n");
 	}
 }