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author | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-07-19 17:24:36 +1000 |
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committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-07-20 18:52:26 +1000 |
commit | 96df49e8f752e30942b0e5e7cd8438173efe1610 (patch) | |
tree | 518e9b9937b07bf5d66725ac734a07e20bf750b5 /doc | |
parent | a3cede091945a6b3a76fb828c1bd5a962023e877 (diff) | |
download | skiboot-96df49e8f752e30942b0e5e7cd8438173efe1610.zip skiboot-96df49e8f752e30942b0e5e7cd8438173efe1610.tar.gz skiboot-96df49e8f752e30942b0e5e7cd8438173efe1610.tar.bz2 |
device-tree: Only advertise ibm, opal-v3 (not v2) on POWER9 and above
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/device-tree/ibm,opal.txt | 1 | ||||
-rw-r--r-- | doc/opal-api/power9-changes.txt | 6 |
2 files changed, 6 insertions, 1 deletions
diff --git a/doc/device-tree/ibm,opal.txt b/doc/device-tree/ibm,opal.txt index d4dcfb8..3b90b5b 100644 --- a/doc/device-tree/ibm,opal.txt +++ b/doc/device-tree/ibm,opal.txt @@ -5,6 +5,7 @@ ; v2 is maintained for possible compatibility with very, very old kernels ; it will go away at some point in the future. Detect and rely on ibm,opal-v3 +; ibm,opal-v2 is *NOT* present on POWER9 and above. ibm,associativity-reference-points = <0x4 0x3>; ibm,heartbeat-ms = <0x7d0>; diff --git a/doc/opal-api/power9-changes.txt b/doc/opal-api/power9-changes.txt index cf354d6..4db74b0 100644 --- a/doc/opal-api/power9-changes.txt +++ b/doc/opal-api/power9-changes.txt @@ -15,11 +15,15 @@ OPAL_REINIT_CPUS Can now be extended beyond HILE BE/LE bits. If invalid flags are set on POWER9, OPAL_UNSUPPORTED will be returned. +Device Tree +----------- +- /ibm,opal/ compatible property now just lists ibm,opal-v3 and no longer + ibm,opal-v2 (power9 and above only) + TODO ---- Things we still have to do for POWER9: -- remove opal-v2 from compatible string. - PCI to use async API rather than returning delays - deprecate/remove v1 APIs where there's a V2 - Fix this FWTS warning: |