code-update.md: Add host bios patch details
Add instructions on how to patch the host bios that implements
virtual pnor.
Change-Id: If38e4815ce677888993b649157f28412e0108408
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/code-update.md b/code-update.md
index e743abd..2d72eb5 100644
--- a/code-update.md
+++ b/code-update.md
@@ -226,3 +226,10 @@
Check the flash progress:
curl -b cjar -k https://bmc/xyz/openbmc_project/software/<id>/attr/Progress
+
+### Patching the host firmware
+
+Copy the partition binary file to `/usr/local/share/pnor/` on the BMC.
+
+The partition binary file must be named the same as the partition name that
+intends to patch, ex: `ATTR_TMP`.