xref: /openbmc/u-boot/arch/arm/dts/rk3368-lion-u-boot.dtsi (revision e8f80a5a)

// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
 * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
 */

/ {
	config {
		u-boot,spl-payload-offset = <0x40000>; /* @ 256KB */
		u-boot,mmc-env-offset = <0x4000>;      /* @  16KB */
	};

	chosen {
		stdout-path = "serial0:115200n8";
		u-boot,spl-boot-order = &emmc, &sdmmc;
		tick-timer = "/timer@ff810000";
	};

};

&pinctrl {
	u-boot,dm-pre-reloc;
};

&service_msch {
	u-boot,dm-pre-reloc;
};

&dmc {
	u-boot,dm-pre-reloc;

	/*
	 * Validation of throughput using SPEC2000 shows the following
	 * relative performance for the different memory schedules:
	 *  - CBDR: 30.1
	 *  - CBRD: 29.8
	 *  - CRBD: 29.9
	 * Note that the best performance for any given application workload
	 * may vary from the default configured here (e.g. 164.gzip is fastest
	 * with CBRD, whereas 252.eon and 186.crafty are fastest with CRBD).
	 *
	 * See doc/device-tree-bindings/clock/rockchip,rk3368-dmc.txt for
	 * details on the 'rockchip,memory-schedule' property and how it
	 * affects the physical-address to device-address mapping.
	 */
	rockchip,memory-schedule = <DMC_MSCH_CBDR>;
	rockchip,ddr-frequency = <800000000>;
	rockchip,ddr-speed-bin = <DDR3_1600K>;

	status = "okay";
};

&pmugrf {
	u-boot,dm-pre-reloc;
};

&sgrf {
        u-boot,dm-pre-reloc;
};

&cru {
	u-boot,dm-pre-reloc;
};

&grf {
	u-boot,dm-pre-reloc;
};

&uart0 {
	u-boot,dm-pre-reloc;
};

&emmc {
	u-boot,dm-spl;
};

&sdmmc {
	u-boot,dm-spl;
};

&spi1 {
	u-boot,dm-spl;

	spiflash: w25q32dw@0 {
		u-boot,dm-spl;
	};
};

&timer0 {
	u-boot,dm-pre-reloc;
	clock-frequency = <24000000>;
	status = "okay";
};