[src/trunk]: src/sys/arch/arm/rockchip Rock64 needs more time for the PHY to ...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/46705441a6ec
branches:  trunk
changeset: 320306:46705441a6ec
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Jun 30 18:27:10 2018 +0000

description:
Rock64 needs more time for the PHY to reset. Add a delay.

diffstat:

 sys/arch/arm/rockchip/rk_gmac.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r d518d2fa22ee -r 46705441a6ec sys/arch/arm/rockchip/rk_gmac.c
--- a/sys/arch/arm/rockchip/rk_gmac.c   Sat Jun 30 18:20:35 2018 +0000
+++ b/sys/arch/arm/rockchip/rk_gmac.c   Sat Jun 30 18:27:10 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rk_gmac.c,v 1.5 2018/06/30 18:20:35 jmcneill Exp $ */
+/* $NetBSD: rk_gmac.c,v 1.6 2018/06/30 18:27:10 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(0, "$NetBSD: rk_gmac.c,v 1.5 2018/06/30 18:20:35 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rk_gmac.c,v 1.6 2018/06/30 18:27:10 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -284,6 +284,9 @@
        if (rk_gmac_reset(phandle) != 0)
                aprint_error_dev(self, "PHY reset failed\n");
 
+       /* Rock64 seems to need more time for the reset to complete */
+       delay(100000);
+
 #if notyet
        if (of_hasprop(phandle, "snps,force_thresh_dma_mode"))
                sc->sc_flags |= DWC_GMAC_FORCE_THRESH_DMA_MODE;