arm64: dts: ti: k3-j721e: Describe OSPI and QSPI flash partition info

Describe OSPI and QSPI flash partition information through device tree,
this helps to remove passing partition information through the mtdparts
commandline parameter which requires maintaining the partition information
in a string format. J721E SoM has a MT35 64 MiB OSPI flash and  MT25 64 MiB
QSPI flash both with sector size of 128 KiB thus the size of the smallest
partition is chosen as 128KiB, the partition names and offsets are chosen
according to the corresponding name and offsets in bootloader.

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Link: https://lore.kernel.org/r/20230513141712.27346-2-vaishnav.a@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index dea451e10f2a94a1f527a792dae7fb898439b7da..fa6ac3475290c9d138d0e7775a34f1e99fcc0a39 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -523,6 +523,52 @@
                cdns,tchsh-ns = <60>;
                cdns,tslch-ns = <60>;
                cdns,read-delay = <2>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "qspi.tiboot3";
+                               reg = <0x0 0x80000>;
+                       };
+
+                       partition@80000 {
+                               label = "qspi.tispl";
+                               reg = <0x80000 0x200000>;
+                       };
+
+                       partition@280000 {
+                               label = "qspi.u-boot";
+                               reg = <0x280000 0x400000>;
+                       };
+
+                       partition@680000 {
+                               label = "qspi.env";
+                               reg = <0x680000 0x20000>;
+                       };
+
+                       partition@6a0000 {
+                               label = "qspi.env.backup";
+                               reg = <0x6a0000 0x20000>;
+                       };
+
+                       partition@6c0000 {
+                               label = "qspi.sysfw";
+                               reg = <0x6c0000 0x100000>;
+                       };
+
+                       partition@800000 {
+                               label = "qspi.rootfs";
+                               reg = <0x800000 0x37c0000>;
+                       };
+
+                       partition@3fe0000 {
+                               label = "qspi.phypattern";
+                               reg = <0x3fe0000 0x20000>;
+                       };
+               };
        };
 };
 

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
index b96e5fdddb4baf68a76b3e4dceff59c066299551..67e52ee3a8bda1e9a249e24ecaf4ebba0a57dbad 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
@@ -201,6 +201,52 @@
                cdns,tchsh-ns = <60>;
                cdns,tslch-ns = <60>;
                cdns,read-delay = <0>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "ospi.tiboot3";
+                               reg = <0x0 0x80000>;
+                       };
+
+                       partition@80000 {
+                               label = "ospi.tispl";
+                               reg = <0x80000 0x200000>;
+                       };
+
+                       partition@280000 {
+                               label = "ospi.u-boot";
+                               reg = <0x280000 0x400000>;
+                       };
+
+                       partition@680000 {
+                               label = "ospi.env";
+                               reg = <0x680000 0x20000>;
+                       };
+
+                       partition@6a0000 {
+                               label = "ospi.env.backup";
+                               reg = <0x6a0000 0x20000>;
+                       };
+
+                       partition@6c0000 {
+                               label = "ospi.sysfw";
+                               reg = <0x6c0000 0x100000>;
+                       };
+
+                       partition@800000 {
+                               label = "ospi.rootfs";
+                               reg = <0x800000 0x37c0000>;
+                       };
+
+                       partition@3fe0000 {
+                               label = "ospi.phypattern";
+                               reg = <0x3fe0000 0x20000>;
+                       };
+               };
        };
 };