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| author | Rick Ward <rward15@us.ibm.com> | 2018-11-06 16:51:42 -0600 |
|---|---|---|
| committer | Daniel M. Crowell <dcrowell@us.ibm.com> | 2018-11-09 13:27:04 -0600 |
| commit | 8351efdb3b65ed4fc5472e78efd5db315663e42f (patch) | |
| tree | c12686656b0e9c54d017232b8681b3ee5e9ecac5 /src/usr/mmio | |
| parent | 7d4f360d16e2c8f734d361486e7334f2d31f9a20 (diff) | |
| download | blackbird-hostboot-8351efdb3b65ed4fc5472e78efd5db315663e42f.tar.gz blackbird-hostboot-8351efdb3b65ed4fc5472e78efd5db315663e42f.zip | |
Inband MMIO access to OCMB (skeleton)
This is a skeleton version of the new MMIO device driver that
will give access to the OCMB. It is being pushed to allow related
development to progress.
Change-Id: Iefec0677e63db6af29d81389c630584ba9dff16c
RTC: 189447
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/68489
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Diffstat (limited to 'src/usr/mmio')
| -rw-r--r-- | src/usr/mmio/makefile | 32 | ||||
| -rw-r--r-- | src/usr/mmio/mmio.C | 61 |
2 files changed, 93 insertions, 0 deletions
diff --git a/src/usr/mmio/makefile b/src/usr/mmio/makefile new file mode 100644 index 000000000..9b8d03ded --- /dev/null +++ b/src/usr/mmio/makefile @@ -0,0 +1,32 @@ +# IBM_PROLOG_BEGIN_TAG +# This is an automatically generated prolog. +# +# $Source: src/usr/mmio/makefile $ +# +# OpenPOWER HostBoot Project +# +# Contributors Listed Below - COPYRIGHT 2013,2018 +# [+] International Business Machines Corp. +# +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +# implied. See the License for the specific language governing +# permissions and limitations under the License. +# +# IBM_PROLOG_END_TAG +ROOTPATH = ../../.. +MODULE = mmio + +#include unique object modules +OBJS += mmio.o + +VPATH += .. +include $(ROOTPATH)/config.mk diff --git a/src/usr/mmio/mmio.C b/src/usr/mmio/mmio.C new file mode 100644 index 000000000..2b0849aa5 --- /dev/null +++ b/src/usr/mmio/mmio.C @@ -0,0 +1,61 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/mmio/mmio.C $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2018 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#include <sys/mmio.h> +#include <devicefw/driverif.H> +#include <errl/errlentry.H> +#include <errl/errlmanager.H> +#include <targeting/common/predicates/predicates.H> +#include <targeting/common/utilFilter.H> +#include <targeting/common/targetservice.H> +#include <arch/ppc.H> + +#include <mmio/mmio.H> + +namespace MMIO +{ + +void mmioSetup() +{ +} + +// Direct OCMB reads and writes to the device's memory mapped memory. +DEVICE_REGISTER_ROUTE(DeviceFW::WILDCARD, + DeviceFW::MMIO, + TARGETING::TYPE_OCMB_CHIP, + mmioPerformOp); + +errlHndl_t mmioPerformOp(DeviceFW::OperationType i_opType, + TARGETING::TargetHandle_t i_target, + void* io_buffer, + size_t& io_buflen, + int64_t i_accessType, + va_list i_args) +{ + errlHndl_t l_err = nullptr; + + return l_err; +} + +}; // end namespace MMIO |
