[U-Boot] [PATCH 2/8] rockchip: px5 update dts for spl/tpl
Kever Yang
kever.yang at rock-chips.com
Fri Mar 29 14:48:25 UTC 2019
TPL need dmc to init ddr sdram, and emmc, boot-order.
Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---
arch/arm/dts/rk3368-px5-evb-u-boot.dtsi | 29 +++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/dts/rk3368-px5-evb-u-boot.dtsi b/arch/arm/dts/rk3368-px5-evb-u-boot.dtsi
index 7495781454..18b841864c 100644
--- a/arch/arm/dts/rk3368-px5-evb-u-boot.dtsi
+++ b/arch/arm/dts/rk3368-px5-evb-u-boot.dtsi
@@ -2,6 +2,27 @@
/*
* (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
*/
+/ {
+ chosen {
+ u-boot,spl-boot-order = &emmc;
+ };
+};
+
+&dmc {
+ u-boot,dm-pre-reloc;
+
+ /*
+ * PX5-evb(2GB) need to use CBRD mode, or else the dram is not correct
+ * 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_CBRD>;
+ rockchip,ddr-frequency = <800000000>;
+ rockchip,ddr-speed-bin = <DDR3_1600K>;
+
+ status = "okay";
+};
&pinctrl {
u-boot,dm-pre-reloc;
@@ -20,6 +41,10 @@
u-boot,dm-pre-reloc;
};
+&sgrf {
+ u-boot,dm-pre-reloc;
+};
+
&cru {
u-boot,dm-pre-reloc;
};
@@ -31,3 +56,7 @@
&uart4 {
u-boot,dm-pre-reloc;
};
+
+&emmc {
+ u-boot,dm-pre-reloc;
+};
--
2.20.1
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