Author: kevans Date: Mon Jan 21 14:35:36 2019 New Revision: 343255 URL: https://svnweb.freebsd.org/changeset/base/343255
Log: 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. MFC after: 1 week Modified: head/sys/arm/allwinner/if_awg.c Modified: head/sys/arm/allwinner/if_awg.c ============================================================================== --- head/sys/arm/allwinner/if_awg.c Mon Jan 21 08:24:49 2019 (r343254) +++ head/sys/arm/allwinner/if_awg.c Mon Jan 21 14:35:36 2019 (r343255) @@ -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"); _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"