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 --- arch/arm/dts/hi3798cv200-u-boot.dtsi | 6 ++++++ configs/poplar_defconfig | 3 +++ 2 files changed, 9 insertions(+)
diff --git a/arch/arm/dts/hi3798cv200-u-boot.dtsi b/arch/arm/dts/hi3798cv200-u-boot.dtsi index 7844c5208c5d..972ea67de3b1 100644 --- a/arch/arm/dts/hi3798cv200-u-boot.dtsi +++ b/arch/arm/dts/hi3798cv200-u-boot.dtsi @@ -16,6 +16,12 @@ }; };
+&gmac1 { + resets = <&crg 0xcc 9>, + <&crg 0xcc 11>, + <&crg 0xcc 13>; +}; + &uart0 { clock = <75000000>; status = "okay"; diff --git a/configs/poplar_defconfig b/configs/poplar_defconfig index 81bd3702e42a..f07fe94a0ad1 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_NET_HIGMACV300=y +CONFIG_RESET_HISILICON=y CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_GENERIC=y