Re: [PATCH v6 10/13] arm: dts: k3-am62a: Add r5 device nodes

[Kumar, Udit]

On 11/20/2025 9:33 PM, Markus Schneider-Pargmann (TI.com) wrote:

These are needed in SPL to be able to resume from DDR immediately after
booting from IO+DDR.

Tested-by: Anshul Dalal <ansh...@ti.com>
Signed-off-by: Markus Schneider-Pargmann (TI.com) <m...@baylibre.com>
---
  arch/arm/dts/k3-am62a7-sk-u-boot.dtsi | 16 ++++++++++++++++
  1 file changed, 16 insertions(+)

diff --git a/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi 
b/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi
index 
a70fc88317e04de032e4da1428e25eb78ecc30cf..7e6a76f72b2a63bf706c3839189b6213aee4497d
 100644
--- a/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi
+++ b/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi
@@ -14,6 +14,14 @@
        memory@80000000 {
                bootph-all;
        };
+
+       reserved-memory {
+               bootph-pre-ram;
+       };
+};
+
+&wkup_r5fss0_core0_memory_region {
+       bootph-pre-ram;
  };

&cbass_main {

@@ -68,6 +76,14 @@
        bootph-all;
  };

+&wkup_r5fss0 {

+       bootph-pre-ram;
+};
+
+&wkup_r5fss0_core0 {
+       bootph-pre-ram;
+};
+

Above bootph-pre-ram can be pushed to kernel device tree

  &cbass_wakeup {
        bootph-all;
  };