96 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
| /*
 | |
|  * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
 | |
|  *
 | |
|  * SPDX-License-Identifier:     GPL-2.0+	X11
 | |
|  */
 | |
| 
 | |
| / {
 | |
| 	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";
 | |
| };
 | |
| 
 | |
| 
 |