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![Shawn Guo](/assets/img/avatar_default.png)
The 'phy' reset of gmac device in kernel device tree is not generic enough for u-boot to use, so we need to overwrite the 'resets' property as needed. With this device tree fixup and poplar_defconfig changes, Ethernet starts working on Poplar board. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
37 lines
760 B
Plaintext
37 lines
760 B
Plaintext
// SPDX-License-Identifier: GPL-2.0+
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/*
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* U-Boot addition to:
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* 1) use platform data for the console
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* 2) provide support for the generic-ehci USB driver currently not available
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* in the linux kernel (8/May/2017).
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*
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* (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
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*/
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#include <dt-bindings/reset/ti-syscon.h>
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&soc {
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rst: reset-controller@8a22000 {
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compatible = "hisilicon,hi3798cv200-reset";
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reg = <0x8a22000 0x1000>;
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#reset-cells = <3>;
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};
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usb2: ehci@9890000 {
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compatible = "generic-ehci";
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reg = <0x9890000 0x100>;
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status = "okay";
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};
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};
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&gmac1 {
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resets = <&rst 0xcc 9 ASSERT_SET>,
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<&rst 0xcc 11 ASSERT_SET>,
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<&rst 0xcc 13 DEASSERT_SET>;
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};
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&uart0 {
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clock = <75000000>;
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status = "okay";
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};
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