| From: |
| Shilpasri G Bhat <shilpa.bhat-AT-linux.vnet.ibm.com> |
| To: |
| linuxppc-dev-AT-lists.ozlabs.org |
| Subject: |
| [RFC 0/2] Add support for OCC command/response interface |
| Date: |
| Mon, 5 Jun 2017 11:43:51 +0530 |
| Message-ID: |
| <1496643233-14658-1-git-send-email-shilpa.bhat@linux.vnet.ibm.com> |
| Cc: |
| linux-kernel-AT-vger.kernel.org, benh-AT-kernel.crashing.org, paulus-AT-samba.org, mpe-AT-ellerman.id.au, svaidy-AT-linux.vnet.ibm.com, ego-AT-linux.vnet.ibm.com, Shilpasri G Bhat <shilpa.bhat-AT-linux.vnet.ibm.com> |
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/0075...
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
