sunxi: Fix A20-OLinuXino-MICRO LAN8710 support
>From revision J the board uses new phy chip LAN8710. Compared
with RTL8201, RA17 pin is TXERR. It has pullup which causes phy
not to work. To fix this PA17 is muxed with GMAC function. This
makes the pin output-low.
Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/board/sunxi/gmac.c b/board/sunxi/gmac.c
index 69eb8ff..826650c 100644
--- a/board/sunxi/gmac.c
+++ b/board/sunxi/gmac.c
@@ -33,7 +33,11 @@
#ifndef CONFIG_MACH_SUN6I
/* Configure pin mux settings for GMAC */
+#ifdef CONFIG_SUN7I_GMAC_FORCE_TXERR
+ for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(17); pin++) {
+#else
for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
+#endif
#ifdef CONFIG_RGMII
/* skip unused pins in RGMII mode */
if (pin == SUNXI_GPA(9) || pin == SUNXI_GPA(14))