[OpenWrt-Devel] [PATCH] ath79: add support for gl-e750

Wed May 27 22:42:58 EDT 2020

Hi Koen,

I'm really sorry that I missed your previous email.

Tried sysupgrade --> results in platform_check failure.
In the original device naming convention, E750 was named glinet,gl-e750
However, in today's openwrt, the name of the device is glinet_gl-e750, so platform_check failure is prompted.
You'd better use uboot to upgrade your firmware, follow the link below for the uboot upgrade steps
https://docs.gl-inet.com/en/3/troubleshooting/debrick/

this device also only has 1 ethernet port exposed on the board.
Yes, the E750 has only one ethernet port,
In E750, we only use GMAC0, but in ATH79 target, I had to initialize P4 via GMAC1 connected to the Ethernet switch, so you'll see eth0 and eth1 on your system.
I have tried to use GMAC0 to initialize P4 directly, but after initializing P4 in this way, the speed of P4 can only be 100M, not 100M/10M.

Best Regards

Chongjun Luo | Software Engineer
Chongjun.Luo at gl-inet.com 
GL.iNet  WiFi for Things
Website: www.gl-inet.com   |   LinkedIn: gl-inet.com   |   Tel: +86-755-8660-6126
Room 305-306, Skyworth Digital Building , Shiyan Street, Baoan District, Shenzhen, China
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From: Koen Vandeputte
Date: 2020-05-27 22:01
To: Luochongjun; openwrt-devel
CC: Gianni Stubbe
Subject: Re: [OpenWrt-Devel] [PATCH] ath79: add support for gl-e750

On 27.05.20 15:33, Koen Vandeputte wrote:
>
> On 07.05.20 13:46, Luochongjun wrote:
>> The gl-e750 is a portable travel router that gives you safe access to
>> the internet while traveling.
>>
>> Specifications:
>> - SoC: Qualcomm Atheros AR9531 (650MHz)
>> - RAM: 128 MB DDR2
>> - Flash: 16 MB SPI NOR (W25Q128FVSG) + 128 MB SPI NAND (GD5F1GQ4UFYIG)
>> - Ethernet: 10/100: 1xLAN
>> - Wireless: QCA9531 2.4GHz (bgn) + QCA9887 5GHz (ac)
>> - USB: 1x USB 2.0 port
>> - Switch: 1x switch
>> - Button: 1x reset button
>> - OLED Screen: 128*64 px
>>
>> Flash instruction:
>> Support for sysupgrade directive upgrades, as well as luci upgrades.
>
> Hi,
>
> I retested this patch just to be sure I didn't miss anything before.
>
>
> Did you test this patch on actual hardware before sending this?
>
> I've got 2x e750-Mudi devices which:
>
> - I first flashed to the latest Gl.inet firmware (18.06 based) (works 
> fine)
>
> - Tried sysupgrade --> results in platform_check failure
>
> - Tried forced sysupgrade --> does not boot afterwards
>
> - Tried uboot recovery (both sysupgrade and factory images) --> does 
> not boot
>
>
> Using gl.inet official img, the uboot recovery mode works fine.
>
> Thanks,
>
> Koen
>
>
I just soldered UART to the board.

Ethernet is not coming up properly.

relevant prints:

[    0.551090] libphy: Fixed MDIO Bus: probed
[    0.872975] ag71xx 19000000.eth: Could not connect to PHY device. 
Deferring probe.
[    0.881098] ag71xx 1a000000.eth: invalid MAC address, using random 
address
[    1.139873] random: fast init done
[    1.520295] libphy: ag71xx_mdio: probed
[    1.525811] libphy: ar8xxx-mdio: probed
[    1.538905] switch0: Atheros AR8229 rev. 1 switch registered on mdio.0
[    1.587451] ag71xx 1a000000.eth: connected to PHY at fixed-0:00 
[uid=00000000, driver=Generic PHY]
[    1.597499] eth0: Atheros AG71xx at 0xba000000, irq 5, mode: gmii
[    1.605610] NET: Registered protocol family 10
[    1.614929] Segment Routing with IPv6
[    1.618900] NET: Registered protocol family 17
[    1.623601] 8021q: 802.1Q VLAN Support v1.8
[    1.631247] PCI host bridge /ahb/pcie-controller at 180c0000 ranges:
[    1.637642]  MEM 0x0000000010000000..0x0000000013ffffff
[    1.643057]   IO 0x0000000000000000..0x0000000000000000
[    1.648655] PCI host bridge to bus 0000:00
[    1.652937] pci_bus 0000:00: root bus resource [mem 
0x10000000-0x13ffffff]
[    1.660051] pci_bus 0000:00: root bus resource [io  0x0000]
[    1.665824] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[    1.672845] pci_bus 0000:00: No busn resource found for root bus, 
will use [bus 00-ff]
[    1.682374] pci 0000:00:00.0: BAR 0: assigned [mem 
0x10000000-0x101fffff 64bit]
[    1.690010] pci 0000:00:00.0: BAR 6: assigned [mem 
0x10200000-0x1020ffff pref]
[    2.013961] ag71xx 19000000.eth: connected to PHY at mdio.0:1f:04 
[uid=004dd042, driver=Generic PHY]
[    2.024473] eth1: Atheros AG71xx at 0xb9000000, irq 4, mode: mii

[   10.293731] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   11.325088] eth0: link up (1000Mbps/Full duplex)

[   11.329934] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

[   17.716093] eth0: link down

this device also only has 1 ethernet port exposed on the board.

Regards,

Koen

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