Add initial support for the IPQ9574 MMC based RDP platforms. Define memory layout statically.
Reviewed-by: Caleb Connolly <caleb.conno...@linaro.org> Signed-off-by: Varadarajan Narayanan <quic_var...@quicinc.com> --- v5: Add 'Reviewed-by: Caleb Connolly' 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