On Sat, Oct 22, 2016 at 11:46:33AM +0200, Cédric Le Goater wrote: > Hello, > > Here is the latest version of the ppc/pnv platform patchset. PowerNV > (as Non-Virtualized) is the "baremetal" platform using the OPAL > firmware. It runs Linux on IBM and Open Power systems and it can be > used as an hypervisor OS, to run KVM guests, or simply as a host OS. > The goal here is to add support for the baremetal platform and > possibly later also for the KVM PR guests but not for HV guests. > > In v5, all the comments from v4 should have been addressed. Most of > the differences are cleanups suggested by David but there a couple of > important changes : > > - an addition of a new firmware to qemu : skiboot 5.3.7. > - a rework of the native Interrupt Presentation Controller model > which now uses memory subregions instead of a hash table. > - a removal of the Power9 LPC Controller. This is still in the plans > but the models need a little more work. > > > The initial patches provide a minimal platform with some RAM to load > the ROMs : firmware, kernel and initrd. The device tree is built with > what is available at reset time. Then, comes the PnvChip object acting > as a container for other devices required to run a system. The cores > are added to each chip with some restrictions on the number and the > ids. Next is the XSCOM model, the sideband bus which gives controls to > all the units in the POWER8 chip, the LPC controller for the console, > the native interrupt controller and the PSI HB model to handle the > external interrupt. > > > The next step should be IPMI support which adds a BT device on the ISA > bus and some device tree extensions to read sensors and FRUs. This is > relatively straight forward and most of the IPMI code has been > discussed already on the list. Then should come a PHB3 model to > include some PCI devices. This is big and it needs a few helpers in > the PCI core.
I've merged 1-6 into ppc-for-2.8. The rest I'm still reviewing. > > If you feel adventurous, you can grab kernel and rootfs images : > > > https://openpower.xyz/job/openpower-op-build/distro=ubuntu,target=palmetto/lastSuccessfulBuild/artifact/images/zImage.epapr > > https://openpower.xyz/job/openpower-op-build/distro=ubuntu,target=palmetto/lastSuccessfulBuild/artifact/images/rootfs.cpio.xz > > and give it a try. The full patchset is available here : > > https://github.com/legoater/qemu/commits/powernv-ipmi-2.8 > > This is a wip branch, which I stabilize when the qemu version, on > which it is based, is released. > > Thanks, > > C. > > Benjamin Herrenschmidt (5): > ppc/pnv: add skeleton PowerNV platform > ppc/pnv: add a LPC controller > ppc/pnv: Add cut down PSI bridge model and hookup external interrupt > ppc/pnv: Add OCC model stub with interrupt support > ppc/pnv: Add Naples chip support for LPC interrupts > > Cédric Le Goater (12): > ppc: add skiboot firmware for the pnv platform > ppc/pnv: add a PnvChip object > ppc/pnv: add a core mask to PnvChip > ppc/pnv: add a PIR handler to PnvChip > ppc/pnv: add a PnvCore object > ppc/pnv: add XSCOM infrastructure > ppc/pnv: add XSCOM handlers to PnvCore > ppc/pnv: add a ISA bus > ppc/xics: Add "native" XICS subclass > ppc/pnv: add a XICS native to each PowerNV chip > ppc/xics: add a xics_get_cpu_index_by_pir helper > ppc/xics: introduce a helper to insert a new ics > > .gitmodules | 3 + > MAINTAINERS | 1 + > Makefile | 2 +- > default-configs/ppc64-softmmu.mak | 4 +- > hw/intc/Makefile.objs | 1 + > hw/intc/xics.c | 6 + > hw/intc/xics_native.c | 323 ++++++++++++++ > hw/ppc/Makefile.objs | 2 + > hw/ppc/pnv.c | 888 > ++++++++++++++++++++++++++++++++++++++ > hw/ppc/pnv_core.c | 248 +++++++++++ > hw/ppc/pnv_lpc.c | 514 ++++++++++++++++++++++ > hw/ppc/pnv_occ.c | 135 ++++++ > hw/ppc/pnv_psi.c | 615 ++++++++++++++++++++++++++ > hw/ppc/pnv_xscom.c | 277 ++++++++++++ > include/hw/ppc/pnv.h | 159 +++++++ > include/hw/ppc/pnv_core.h | 50 +++ > include/hw/ppc/pnv_lpc.h | 76 ++++ > include/hw/ppc/pnv_occ.h | 38 ++ > include/hw/ppc/pnv_psi.h | 64 +++ > include/hw/ppc/pnv_xscom.h | 84 ++++ > include/hw/ppc/xics.h | 26 ++ > pc-bios/README | 5 + > pc-bios/skiboot.lid | Bin 0 -> 983893 bytes > roms/Makefile | 8 +- > roms/skiboot | 1 + > 25 files changed, 3527 insertions(+), 3 deletions(-) > create mode 100644 hw/intc/xics_native.c > create mode 100644 hw/ppc/pnv.c > create mode 100644 hw/ppc/pnv_core.c > create mode 100644 hw/ppc/pnv_lpc.c > create mode 100644 hw/ppc/pnv_occ.c > create mode 100644 hw/ppc/pnv_psi.c > create mode 100644 hw/ppc/pnv_xscom.c > create mode 100644 include/hw/ppc/pnv.h > create mode 100644 include/hw/ppc/pnv_core.h > create mode 100644 include/hw/ppc/pnv_lpc.h > create mode 100644 include/hw/ppc/pnv_occ.h > create mode 100644 include/hw/ppc/pnv_psi.h > create mode 100644 include/hw/ppc/pnv_xscom.h > create mode 100644 pc-bios/skiboot.lid > create mode 160000 roms/skiboot > -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson
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