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we can now add all the hardware bits for the DB120. * arge0/argemdio0 is hooked up to an AR8327 switch - which there's currently no support for. However, the bootloader on this board does set it up as a basic switch so we can at least _use_ it ourselves. So we should at least configure the arge0 side of things, including the GMAC register. * .. the GMAC config peels off arge0 from the internal switch and exposes it as an RGMII to said AR8327. * arge1/argemdio1 are hooked up to an internal 10/100 switch. So, that also needs configuring. * Add support for the NOR flash layout. * Add support for the wifi (which works, with bugs, but it works.) What's missing! * No GPIO stuff yet! * No sound (I2S) and no NAND flash support yet, sorry! * The normal DB120 has an external AR95xx wifi chip on PCIe but with the actual calibration data in the NOR flash. My DB120 has been modified to let me use the PCIe slot as a normal PCIe slot. I'll add the "default" settings later when I have access to a non-modified one. * Other stuff, like why the wifi unit gets upset and spits out stuck beacons and interrupt storms everywhere. Sigh. Tested: * DB120 board - AR9344 (mips74k SoC) booting off of SPI flash into multi-user mode.
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