212da4dd48
This adds a device tree and build options for the XG6846 switch/router to the BMIPS target. Hardware: - SoC: Broadcom BCM6328 - CPU: BMIPS4350 V7.5 - RAM: 64 MB DDR - NOR Flash: 16 MB parallel (CFE and OS) - Ethernet LAN: 4x 1Gbit - Ethernet WAN: 2x 1Gbit, fiber and TP - Buttons: reset - LEDs: 7 or 8, power and USB LEDs are GPIO-based, the LAN LEDs are controlled by the Marvell DSA Switch. - USB: on some versions - UART: yes The device ODM (original device manufacturer) is XAVi http://www.xavi.com.tw/ It is possible to boot the initramfs version openwrt-bmips-bcm6328-inteno_xg6846-initramfs.elf from CFE by interrupting the boot on the UART console and downloading it from a TFTP server e.g.: CFE> r 192.168.1.2:openwrt-bmips-bcm6328-inteno_xg6846-initramfs.elf Installation to target flash is not possible using CFE because the image becomes too big for the CFE version found in these devices. A separate U-Boot two-stage solution exists for actually booting the device. This device is called a "managed ethernet switch" by the vendor and "media converter" or "fiber modem" by some of the ISPs using it: the main purpose is to convert fiber connections to ethernet, most devices just act as switches bridging the fiber SFP to ethernet TP. The device has a Marvell MV88E6352 DSA switch managed by a BCM6328 BMIPS SoC. This port makes it possible to use the XG6846 to grab an IP number from the fiber connection and use all four LAN connections out, turning it into a proper router. This support is based mostly on the observations by the people on the forum thread "Help with Inteno XG6846" where users NPeca75, mrhaav, systemcrash and csom helped out to reverse engineer the device. Then I made it work on the BMIPS target, figured out the two-level switch hierarchy and settings. Link: https://forum.openwrt.org/t/help-with-inteno-xg6846/68276/14 Signed-off-by: Paul Donald <newtwen+github@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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