[OpenWrt-Devel] [PATCHv3] ramips: add support for Skylab SKW92A in EVB

[Rafał Miłecki]

On Sun, 25 Nov 2018 at 12:39, Russell Senior <russell at personaltelco.net> wrote:
> Specifically, SKW92A_E16, described here:
>
>   http://www.skylabmodule.com/wp-content/uploads/SkyLab_SKW92A_V1.04_datasheet.pdf
>
> Specification:
> - MediaTek MT7628N/N (580 Mhz)
> - 64 MB of RAM
> - 16 MB of FLASH
> - 2T2R 2.4 GHz
> - 5x 10/100 Mbps Ethernet
> - 2x u.FL
> - Power by micro-USB connector at USB1 on EVB
> - UART via micro-USB connector at USB3 on EVB (57600 8n1)
> - 5x Ethernet LEDs
> - 1x WLAN LEDs
> - 1x WPS LED connected by jumper wire from I2S_CK on J20 to WPS_LED pin hole next
>   to daughter board on EVB
> - WPS/Reset button (S2 on EVB)
> - RESET button (S1 on EVB) is *not* connected to RST hole next to daughter board
>
> Flash instruction:
>
> From Skylab firmware:
>
> 1. Associate with SKYLAP_AP
> 2. In a browser, load: http://10.10.10.254/
> 3. Username/password: admin/admin
> 4. In web admin interface: Administration / Upload Firmware, browse to
>    sysupgrade image, apply, flash will fail with a message:
>    Not a valid firmware. *** Warning: "/var/tmpFW" has corrupted data!
> 5. Telnet to 10.10.10.254, drops you into a root shell with no credentials
> 6. # cd /var
> 7. # mtd_write -r write tmpFW mtd4
>    Unlocking mtd4 ...
>    Writing from tmpFW to mtd4 ... [e]
> 8. When flash has completed, you will have booted into your firmware.
>
> From U-boot via TFTP and initramfs:
>
> 1. Place openwrt-ramips-mt76x8-skw92a-initramfs-kernel.bin on a TFTP server
> 2. Connect to serial console at USB3 on EVB
> 3. Connect ethernet between port 1 (not WAN) and your TFTP server (e.g.
>    192.168.11.20)
> 4. Start terminal software (e.g. screen /dev/ttyUSB0 57600) on PC
> 5. Apply power to EVB
> 6. Interrupt u-boot with keypress of "1"
> 7. At u-boot prompts:
>    Input device IP (10.10.10.123) ==:192.168.11.21
>    Input server IP (10.10.10.3) ==:192.168.11.20
>    Input Linux Kernel filename (root_uImage) ==:openwrt-ramips-mt76x8-skw92a-initramfs-kernel.bin
> 8. Move ethernet to port 0 (WAN) on EVB
> 9. At new OpenWrt console shell, fetch squashfs-sysupgrade image and flash
>    with sysupgrade.
>
> From U-boot via TFTP direct flash:
>
> 1. Place openwrt-ramips-mt76x8-skw92a-squashfs-sysupgrade.bin on a TFTP server
> 2. Connect to serial console at USB3 on EVB (57600 8N1)
> 3. Connect ethernet between port 1 (not WAN) an your TFTP server (e.g.
>    192.168.11.20)
> 4. Start terminal software (e.g. screen /dev/ttyUSB0 57600) on PC
> 5. Apply power to EVB
> 6. Interrupt u-boot with keypress of "2"
> 7. At u-boot prompts:
>    Warning!! Erase Linux in Flash then burn new one. Are you sure?(Y/N) Y
>    Input device IP (10.10.10.123) ==:192.168.11.21
>    Input server IP (10.10.10.3) ==:192.168.11.20
>    Input Linux Kernel filename (root_uImage) ==:openwrt-ramips-mt76x8-skw92a-squashfs-sysupgrade.bin
> 8. When transfer is complete or as OpenWrt begins booting, move ethernet to
>    port 0 (WAN).
>
> Signed-off-by: Russell Senior <russell at personaltelco.net>

Reviewed-by: Rafał Miłecki <rafal at milecki.pl>

-- 
Rafał

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