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....@linaro.org>
Reviewed-by: Igor Opaniuk <igor.opan...@linaro.org>
---
arch/arm/dts/hi3798cv200-u-boot.dtsi | 14 ++++++++++++++
configs/poplar_defconfig | 3 +++
2 files changed, 17 insertions(+)
diff --git a/arch/arm/dts/hi3798cv200-u-boot.dtsi
b/arch/arm/dts/hi3798cv200-u-boot.dtsi
index 7844c5208c5d..2ca943f64e59 100644
--- a/arch/arm/dts/hi3798cv200-u-boot.dtsi
+++ b/arch/arm/dts/hi3798cv200-u-boot.dtsi
@@ -8,7 +8,15 @@
* (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-or...@linaro.org>
*/
+#include <dt-bindings/reset/hisi-reset.h>
+
&soc {
+ rst: reset-controller@8a22000 {
+ compatible = "hisilicon,hi3798cv200-reset";
+ reg = <0x8a22000 0x1000>;
+ #reset-cells = <3>;
+ };
+
usb2: ehci@9890000 {
compatible = "generic-ehci";
reg = <0x9890000 0x100>;
@@ -16,6 +24,12 @@
};
};
+&gmac1 {
+ resets = <&rst 0xcc 9 HISI_RESET_ACTIVE_HIGH>,
+ <&rst 0xcc 11 HISI_RESET_ACTIVE_HIGH>,
+ <&rst 0xcc 13 HISI_RESET_ACTIVE_LOW>;
+};
+
&uart0 {
clock = <75000000>;
status = "okay";
diff --git a/configs/poplar_defconfig b/configs/poplar_defconfig
index 81bd3702e42a..76ab5eb70e7e 100644
--- a/configs/poplar_defconfig
+++ b/configs/poplar_defconfig
@@ -19,6 +19,9 @@ CONFIG_FASTBOOT_FLASH_MMC_DEV=0
CONFIG_DM_MMC=y
CONFIG_MMC_DW=y
CONFIG_MMC_DW_K3=y
+CONFIG_DM_ETH=y
+CONFIG_HIGMACV300_ETH=y
+CONFIG_RESET_HISILICON=y
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_GENERIC=y
--
2.18.0
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