On 17.01.20 08:45, Weijie Gao wrote:

To enable DM support in SPL, some necessary nodes must be reserved for serial, clk, sysreset and other drivers.

This patch adds u-boot,dm-pre-reloc for these nodes.

Signed-off-by: Weijie Gao weijie.gao@mediatek.com

Changes since v1: newly added

arch/mips/dts/mt7628a.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+)

diff --git a/arch/mips/dts/mt7628a.dtsi b/arch/mips/dts/mt7628a.dtsi index 3d7b839e6d..744594c45a 100644 --- a/arch/mips/dts/mt7628a.dtsi +++ b/arch/mips/dts/mt7628a.dtsi @@ -23,11 +23,14 @@ #address-cells = <1>; #size-cells = <1>;

• u-boot,dm-pre-reloc;
  

Please don't add these U-Boot specific properties into these dts/dtsi files. The preferred way is to create a new dtsi file with the U-Boot specific additions. This will get included automatically in the build process. Please see this file for example:

arch/arm/dts/mt7622-u-boot.dtsi

This will also enable us to stay in sync with the Linux DT files.

resetctl-reboot {
	compatible = "resetctl-reboot";

	resets = <&rstctrl MT7628_SYS_RST>;
	reset-names = "sysreset";

• 	u-boot,dm-pre-reloc;
  

  };

  clkctrl: clkctrl@0x2c {

@@ -42,6 +45,7 @@ reg = <0x34 0x4>; compatible = "mediatek,mtmips-reset"; #reset-cells = <1>;

• 	u-boot,dm-pre-reloc;
  

  };

  pinctrl: pinctrl@60 {

@@ -52,6 +56,8 @@ pinctrl-names = "default"; pinctrl-0 = <&state_default>;

• 	u-boot,dm-pre-reloc;
  

• state_default: pin_state {
  };
  
  

@@ -260,6 +266,8 @@ reset-names = "uart0";

	reg-shift = <2>;

• 	u-boot,dm-pre-reloc;
  

  };

  uart1: uart1@d00 {

@@ -275,6 +283,8 @@ reset-names = "uart1";

	reg-shift = <2>;

• 	u-boot,dm-pre-reloc;
  

  };

  uart2: uart2@e00 {

@@ -290,6 +300,8 @@ reset-names = "uart2";

	reg-shift = <2>;

• 	u-boot,dm-pre-reloc;
  

  }; };

Viele Grüße, Stefan