From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
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@xxxxxxxxxxx>
---
.../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@0 {
cdns,tchsh-ns = <60>;
cdns,tslch-ns = <60>;
cdns,read-delay = <2>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ seboot@0 {
+ label = "seboot";
+ reg = <0x0 0x180000>; /* 1.5M */
+ };
+
+ tispl@180000 {
+ label = "tispl";
+ reg = <0x180000 0x200000>; /* 2M */
+ };
+
+ u-boot@380000 {
+ label = "u-boot";
+ reg = <0x380000 0x300000>; /* 3M */
+ };
+
+ env@680000 {
+ label = "env";
+ reg = <0x680000 0x20000>; /* 128K */
+ };
+
+ env-backup@6a0000 {
+ label = "env.backup";
+ reg = <0x6a0000 0x20000>; /* 128K */
+ };
+
+ otpcmd@6c0000 {
+ label = "otpcmd";
+ reg = <0x6c0000 0x10000>; /* 64K */
+ };
+
+ unused@6d0000 {
+ label = "unused";
+ reg = <0x6d0000 0x7b0000>; /* 7872K */
+ };
+
+ seboot-backup@e80000 {
+ label = "seboot.backup";
+ reg = <0xe80000 0x180000>; /* 1.5M */
+ };
+ };
};
};
--
2.35.3
