On Saturday 13 December 2014 11:05:52 Arend van Spriel wrote: > > Makes sense. I think that is what Hauke meant by "adding > additional support for registering to bcma". So the discovery info is a > piece of read-only memory in the chip. Its address is stored in the > chipcommon core register space. BCMA parses that memory blob resulting > in a list of cores which register address info. We could add DT support > in BCMA matching the compatible string and register a core for it. Ah, interesting idea. That would mirror what we do for drivers/amba, I like the idea. > However, apart from the discovery info a "discoverable ARM AXI" chip has > a register space per core that provides common procedures like > enable/disable, reset, core status, which are implemented in BCMA. I am > not seeing that register space in the DT examples so I guess this IP > block is not there for iProc chips. I wouldn't draw conclusions from the absence of some node. Maybe these registers are present but just not used by the original BSP. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html