Author: kevans
Date: Mon Apr 8 17:59:42 2019
New Revision: 346036
URL: https://svnweb.freebsd.org/changeset/base/346036
Log:
MFC r343255: awg: fix soft reset failure with no link
U-Boot will leave the ephy reset de-asserted and the MAC soft reset will
fail on these boards with internal PHY and no link established. Toggle reset
again before proceeding to attach/init.
Modified:
stable/12/sys/arm/allwinner/if_awg.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/arm/allwinner/if_awg.c
==============================================================================
--- stable/12/sys/arm/allwinner/if_awg.c Mon Apr 8 17:55:04 2019
(r346035)
+++ stable/12/sys/arm/allwinner/if_awg.c Mon Apr 8 17:59:42 2019
(r346036)
@@ -1466,6 +1466,12 @@ awg_setup_extres(device_t dev)
goto fail;
}
if (rst_ephy != NULL) {
+ /*
+ * The ephy reset is left de-asserted by U-Boot. Assert it
+ * here to make sure that we're in a known good state going
+ * into the PHY reset.
+ */
+ hwreset_assert(rst_ephy);
error = hwreset_deassert(rst_ephy);
if (error != 0) {
device_printf(dev, "cannot de-assert ephy reset\n");
_______________________________________________
[email protected] mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "[email protected]"
