[Skiboot] [PATCH 062/110] doc: Add missing skiboot-4.0 release notes

[Stewart Smith]

Signed-off-by: Stewart Smith <stewart at linux.ibm.com>
---
 doc/opal-api/index.rst            |  9 +++++----
 doc/release-notes/skiboot-4.0.rst | 16 ++++++++++++++++
 2 files changed, 21 insertions(+), 4 deletions(-)
 create mode 100644 doc/release-notes/skiboot-4.0.rst

diff --git a/doc/opal-api/index.rst b/doc/opal-api/index.rst
index 98fedee9f723..3816113b788b 100644
--- a/doc/opal-api/index.rst
+++ b/doc/opal-api/index.rst
@@ -225,15 +225,16 @@ The OPAL API is the interface between an Operating System and OPAL.
 | :ref:`OPAL_GET_DPO_STATUS`                  | 105          | v1.0 (Initial Release) | POWER8   |                 |
 +---------------------------------------------+--------------+------------------------+----------+-----------------+
 | :ref:`OPAL_OLD_I2C_REQUEST`                 | 106          | Introduced and         |          | Do not use.     |
-|                                             |              | deprecated in v4.0.    |          |                 |
+|                                             |              | deprecated in          |          |                 |
+|                                             |              | :ref:`skiboot-4.0`.    |          |                 |
 |                                             |              | Should be completely   |          |                 |
 |                                             |              | unused.                |          |                 |
 +---------------------------------------------+--------------+------------------------+----------+-----------------+
-| :ref:`OPAL_IPMI_SEND`                       | 107          | v4.0                   | POWER9   |                 |
+| :ref:`OPAL_IPMI_SEND`                       | 107          | :ref:`skiboot-4.0`     | POWER9   |                 |
 +---------------------------------------------+--------------+------------------------+----------+-----------------+
-| :ref:`OPAL_IPMI_RECV`                       | 108          | v4.0                   | POWER9   |                 |
+| :ref:`OPAL_IPMI_RECV`                       | 108          | :ref:`skiboot-4.0`     | POWER9   |                 |
 +---------------------------------------------+--------------+------------------------+----------+-----------------+
-| :ref:`OPAL_I2C_REQUEST`                     | 109          | v4.0                   | POWER9   |                 |
+| :ref:`OPAL_I2C_REQUEST`                     | 109          | :ref:`skiboot-4.0`     | POWER9   |                 |
 +---------------------------------------------+--------------+------------------------+----------+-----------------+
 | :ref:`OPAL_FLASH_READ`                      | 110          | v5.0                   | POWER9   |                 |
 +---------------------------------------------+--------------+------------------------+----------+-----------------+
diff --git a/doc/release-notes/skiboot-4.0.rst b/doc/release-notes/skiboot-4.0.rst
new file mode 100644
index 000000000000..5853f0f0f2b7
--- /dev/null
+++ b/doc/release-notes/skiboot-4.0.rst
@@ -0,0 +1,16 @@
+.. _skiboot-4.0:
+
+===========
+skiboot 4.0
+===========
+
+Skiboot 4.0 was released 19th November 2014. It was the first release to obtain
+an independent version number and numbering scheme. Previous releases were
+identified either purely by a GIT SHA1 hash or the associated PowerKVM release
+number.
+
+This release introduced the following OPAL calls:
+
+ - :ref:`OPAL_IPMI_SEND`
+ - :ref:`OPAL_IPMI_RECV`
+ - :ref:`OPAL_I2C_REQUEST`
-- 
2.21.0