Author: landonf
Date: Thu Mar 23 22:12:14 2017
New Revision: 315872
URL: https://svnweb.freebsd.org/changeset/base/315872
Log:
Add a workaround for the BCM4706's dangling core region EROM entries.
Approved by: adrian (mentor, implicit)
Modified:
head/sys/dev/bhnd/bcma/bcma_erom.c
Modified: head/sys/dev/bhnd/bcma/bcma_erom.c
==============================================================================
--- head/sys/dev/bhnd/bcma/bcma_erom.c Thu Mar 23 22:06:06 2017
(r315871)
+++ head/sys/dev/bhnd/bcma/bcma_erom.c Thu Mar 23 22:12:14 2017
(r315872)
@@ -1344,6 +1344,19 @@ bcma_erom_next_corecfg(struct bcma_erom
goto failed;
}
+ /*
+ * Seek to the next core entry (if any), skipping any dangling/invalid
+ * region entries.
+ *
+ * On the BCM4706, the EROM entry for the memory controller core
+ * (0x4bf/0x52E) contains a dangling/unused slave wrapper port region
+ * descriptor.
+ */
+ if ((error = bcma_erom_seek_next(erom, BCMA_EROM_ENTRY_TYPE_CORE))) {
+ if (error != ENOENT)
+ goto failed;
+ }
+
*result = cfg;
return (0);
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