On 8/10/21 5:12 AM, David Gibson wrote: > On Mon, Aug 09, 2021 at 03:45:21PM +0200, Cédric Le Goater wrote: >> Hi, >> >> This series adds the minimum set of models (XIVE2, PHB5) to boot a >> baremetal POWER10 machine using the OpenPOWER firmware images. >> >> The major change is the support for the interrupt controller of the >> POWER10 processor. XIVE2 is very much like XIVE but the register >> interface, the different MMIO regions, the XIVE internal descriptors >> have gone through a major cleanup. It was easier to duplicate the >> models then to try to adapt the current models. XIVE2 adds some new >> set of features. Not all are modeled here but we add the >> "Address-based trigger" mode which is activated by default on the >> PHB5. When using ABT, the PHB5 offloads all interrupt management on >> the IC, this to improve latency. > > 5..8/26 applied to ppc-for-6.2, continuing to look at the rest.
The XIVE2 part is somewhat tedious ... :/ I sent the acceptance patch for the P8 and P9 machines. It also works for P10 with the newer skiboot which activates all the newer features for HW. C.
