u-boot/arch/arm/dts/rk3368-lion-u-boot.dtsi
Philipp Tomsich bc824cc03a dts: rk3368: make timer0 accessible for SPL and TPL
To use it with the DM timer driver in SPL and TPL, timer0 needs to be
marked as pre-reloc.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-08-13 17:12:36 +02:00

93 lines
1.6 KiB
Text

/*
* (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;
};
};
&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-pre-reloc;
};
&sdmmc {
u-boot,dm-pre-reloc;
};
&spi1 {
u-boot,dm-pre-reloc;
spiflash: w25q32dw@0 {
u-boot,dm-pre-reloc;
};
};
&timer0 {
u-boot,dm-pre-reloc;
clock-frequency = <24000000>;
};