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Groups > linux.kernel > #1657294
| From | Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [RFC 0/2] Add support for OCC command/response interface |
| Date | 2017-06-05 08:20 +0200 |
| Message-ID | <tOTwR-7Hu-1@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
In P9, OCC(On Chip Controller) can be sent commands inband via shared memory based command response interface. This patch adds a platform driver to support the OCC command-response interface. The skiboot patch for the interface is posted here: https://lists.ozlabs.org/pipermail/skiboot/2017-June/007542.html Shilpasri G Bhat (2): powerpc/powernv: Get a unique token for async completions powerpc/powernv : Add support for OPAL-OCC command/response interface arch/powerpc/include/asm/opal-api.h | 40 ++- arch/powerpc/include/asm/opal.h | 4 + arch/powerpc/platforms/powernv/Makefile | 2 +- arch/powerpc/platforms/powernv/opal-async.c | 46 ++++ arch/powerpc/platforms/powernv/opal-occ.c | 349 +++++++++++++++++++++++++ arch/powerpc/platforms/powernv/opal-wrappers.S | 1 + arch/powerpc/platforms/powernv/opal.c | 8 + 7 files changed, 448 insertions(+), 2 deletions(-) create mode 100644 arch/powerpc/platforms/powernv/opal-occ.c -- 1.8.3.1
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[RFC 0/2] Add support for OCC command/response interface Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2017-06-05 08:20 +0200 [RFC 1/2] powerpc/powernv: Get a unique token for async completions Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2017-06-05 08:20 +0200 [RFC 2/2] powerpc/powernv : Add support for OPAL-OCC command/response interface Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2017-06-05 08:20 +0200
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