The eMMC chip used in a small batch of these devices has issues operating
in HS400 mode. Reducing to HS200 mode works around the problem and does
not cause any noticeable performance penalties as smaller chips are not fast
enough to saturate the bus. Root cause analysis is pending.
Signed-off-by: Chad Monroe <chad@monroe.io>
Common specifications:
* Mediatek MT7988A (4x Cortex-A73, up to 1.8 GHz clock speed)
* 8 GiB eMMC
* 2 GiB DDR4 RAM
* 1x 10000M/1000M/100M + 3x 1000M/100M/10M LAN ports
* MT7996 Tri-band (2.4G, 5G, 6G) 4T4R 802.11be Wi-Fi
* Airoha AG3352 GPS
* Renesas DA14531MOD Bluetooth
* 2 buttons (Reset, Mesh/WPS)
* uC-controlled RGB LED via I2C
* 2x LED for each 1G port, 3x LED for each 10G port
* USB 3.0 type A port
* 3.3V-level 115200 baud UART console via 4-pin Dupont connector
exposed at the bottom of the device
* USB-C PD power input
SDG-8733: 1x 10000M/1000M/100M WAN port
SDG-8734: 1x USXGMII/10GBase-R/5GBase-R/2500Base-X/1000Base-X/SGMII SFP+
Both models are also available in versions including 2x FXS POTS interfaces
for analog phones. Those interfaces are not supported by OpenWrt.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
