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authorStewart Smith <stewart@linux.vnet.ibm.com>2016-07-19 17:28:51 +1000
committerStewart Smith <stewart@linux.vnet.ibm.com>2016-07-20 18:52:34 +1000
commita7e2b69fc66aecefa45c52e5486c55d3743f1418 (patch)
tree022c79038ddbb1cab9e100982156cc7290073f07
parent96df49e8f752e30942b0e5e7cd8438173efe1610 (diff)
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Document changes to how firmware versions are passed to host on P9
We won't do mi-version/ml-version, but we will always have version. Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
-rw-r--r--doc/device-tree/ibm,opal/firmware.txt4
-rw-r--r--doc/opal-api/power9-changes.txt1
2 files changed, 4 insertions, 1 deletions
diff --git a/doc/device-tree/ibm,opal/firmware.txt b/doc/device-tree/ibm,opal/firmware.txt
index eab4970..3376fba 100644
--- a/doc/device-tree/ibm,opal/firmware.txt
+++ b/doc/device-tree/ibm,opal/firmware.txt
@@ -18,11 +18,13 @@ firmware {
'symbol-map' property describes OPAL symbol start address and size.
'version' property describes OPAL version. Replaces 'git-id', so may
-not be present.
+not be present. On POWER9 and above, it is always present.
'mi-version' property describes Microcode Image. Only on IBM FSP systems.
+Will (likely) not be present on POWER9 systems.
'ml-version' property describes Microcode Level. Only on IBM FSP systems.
+Will (likely) not be present on POWER9 systems.
MI/ML format:
<ML/MI> <T side version> <P side version> <boot side version>
diff --git a/doc/opal-api/power9-changes.txt b/doc/opal-api/power9-changes.txt
index 4db74b0..72c4885 100644
--- a/doc/opal-api/power9-changes.txt
+++ b/doc/opal-api/power9-changes.txt
@@ -30,3 +30,4 @@ Things we still have to do for POWER9:
FAILED [MEDIUM] DeviceTreeBaseDTCWarnings: Test 3, dtc reports warnings from
device tree: Warning (reg_format): "reg" property in /ibm,opal/flash@0 has
invalid length (8 bytes) (#address-cells == 0, #size-cells == 0)
+- Remove mi-version / ml-version from /ibm,opal/firmware and replace with something better and more portable