[PATCH 1/3] arm64: dts: ti: iot2050: Add layout of OSPI flash

[Jan Kiszka]

From: Jan Kiszka <jan.kiszka at siemens.com>

Describe the layout of the OSPI flash as the latest firmware uses it.
Specifically the location of the U-Boot envs is important for userspace
in order to access it.

Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>
---
 .../boot/dts/ti/k3-am65-iot2050-common.dtsi   | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
index 3cced26b520a..96ac2b476b11 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -609,6 +609,52 @@ flash at 0 {
 		cdns,tchsh-ns = <60>;
 		cdns,tslch-ns = <60>;
 		cdns,read-delay = <2>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			seboot at 0 {
+				label = "seboot";
+				reg = <0x0 0x180000>; /* 1.5M */
+			};
+
+			tispl at 180000 {
+				label = "tispl";
+				reg = <0x180000 0x200000>; /* 2M */
+			};
+
+			u-boot at 380000 {
+				label = "u-boot";
+				reg = <0x380000 0x300000>; /* 3M */
+			};
+
+			env at 680000 {
+				label = "env";
+				reg = <0x680000 0x20000>; /* 128K */
+			};
+
+			env-backup at 6a0000 {
+				label = "env.backup";
+				reg = <0x6a0000 0x20000>; /* 128K */
+			};
+
+			otpcmd at 6c0000 {
+				label = "otpcmd";
+				reg = <0x6c0000 0x10000>; /* 64K */
+			};
+
+			unused at 6d0000 {
+				label = "unused";
+				reg = <0x6d0000 0x7b0000>; /* 7872K */
+			};
+
+			seboot-backup at e80000 {
+				label = "seboot.backup";
+				reg = <0xe80000 0x180000>; /* 1.5M */
+			};
+		};
 	};
 };
 
-- 
2.35.3