<div dir="ltr">I Compiled Coreboot with Seabios and Tianocore payload on Baytrail SoC.<br>I want to use a [PCIe bridge][3] to convert a PCIE-x1 to 2 PCIE-X1 connectors<br>but booting FreeBSD won't show any active bridge.<br><br>The [Baytrail SoC documentation][1] states that a register called [SLCTL_SLSTS][2] should be<br>set in order to activate the bridge support but I don't know how to set such flag<br>on coreboot.<br><br>- Is it possible to use PCIe bridge on Baytrail SoCs?<br>- How one can add bridge support to coreboot if possible?<br><br>[1]: <a href="https://www.mouser.com/datasheet/2/612/atom-e3800-family-datasheet-1522396.pdf#3202">https://www.mouser.com/datasheet/2/612/atom-e3800-family-datasheet-1522396.pdf#3202</a><br>[2]: <a href="https://github.com/coreboot/coreboot/blob/master/src/soc/intel/baytrail/include/soc/pcie.h#L43">https://github.com/coreboot/coreboot/blob/master/src/soc/intel/baytrail/include/soc/pcie.h#L43</a><br>[3]: <a href="https://www.amazon.co.uk/IOCrest-Ports-Extension-Switch-Multiplier/dp/B075KNH1GM">https://www.amazon.co.uk/IOCrest-Ports-Extension-Switch-Multiplier/dp/B075KNH1GM</a></div>