Add initial support for the IPQ9574 MMC based RDP platforms.
Define memory layout statically.
Signed-off-by: Varadarajan Narayanan <quic_var...@quicinc.com>
---
v3: Fix comments and give additional details
No code change
v2: Use upstream and override DT instead of own DT
---
arch/arm/dts/ipq9574-rdp433-u-boot.dtsi | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 arch/arm/dts/ipq9574-rdp433-u-boot.dtsi
diff --git a/arch/arm/dts/ipq9574-rdp433-u-boot.dtsi
b/arch/arm/dts/ipq9574-rdp433-u-boot.dtsi
new file mode 100644
index 0000000000..390e2338d6
--- /dev/null
+++ b/arch/arm/dts/ipq9574-rdp433-u-boot.dtsi
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2025, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/ {
+ /* Will be removed when SMEM parsing is updated */
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0x0 0x40000000 0x0 0x40000000>,
+ <0x0 0x4a500000 0x0 0x00100000>;
+ };
+};
+
+&sdhc_1 {
+ sdhci-caps-mask = <0x0 0x04000000>;
+ sdhci-caps = <0x0 0x04000000>; /* SDHCI_CAN_VDD_180 */
+
+ /*
+ * This reset is needed to clear out the settings done by
+ * previous boot loader. Without this the SDHCI_RESET_ALL
+ * reset done sdhci_init() times out.
+ */
+ resets = <&gcc GCC_SDCC_BCR>;
+};
--
2.34.1
