rockchip: rk3288-firefly: Fix slow Ethernet initializion

For some reason the Ethernet PHY reset delay is set to 1 second, this
cause an unneccecery long boot delay.

Firefly-RK3288 use RTL8211 Ethernet PHY, datasheet list an initial 10ms
delay and then a 30-76ms delay before accessing registers.

Change to use 80ms delay instead of a full second to speed up Ethernet
initializion in U-Boot.

Also enable PHY_REALTEK, DM_ETH_PHY and PHY_GIGE to improve Ethernet PHY
support in U-Boot.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/arch/arm/dts/rk3288-firefly-u-boot.dtsi b/arch/arm/dts/rk3288-firefly-u-boot.dtsi
index 13f5be2..b7d13bc 100644 (file)
--- a/arch/arm/dts/rk3288-firefly-u-boot.dtsi
+++ b/arch/arm/dts/rk3288-firefly-u-boot.dtsi
@@ -48,6 +48,10 @@
        bootph-some-ram;
 };
 
+&gmac {
+       snps,reset-delays-us = <0 10000 80000>;
+};
+
 &gpio7 {
        /delete-property/ bootph-all;
        bootph-pre-ram;

diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig
index a79e217..95fb20b 100644 (file)
--- a/configs/firefly-rk3288_defconfig
+++ b/configs/firefly-rk3288_defconfig
@@ -58,6 +58,9 @@ CONFIG_MISC=y
 CONFIG_ROCKCHIP_EFUSE=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH_PHY=y
+CONFIG_PHY_GIGE=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_GMAC_ROCKCHIP=y
 CONFIG_PINCTRL=y