X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fsunxi%2Fgmac.c;h=6348d27282748d66cf6d55f484fdefa69d4a0af6;hb=115200ceb0faad679bcc7d7dba4b63ff065606c5;hp=e7ff95285c97be8e816e2c31a8e739dd91c861db;hpb=dcdb61a084bd3840d0987a5d01ae506c11efca1b;p=u-boot

diff --git a/board/sunxi/gmac.c b/board/sunxi/gmac.c
index e7ff95285c..6348d27282 100644
--- a/board/sunxi/gmac.c
+++ b/board/sunxi/gmac.c
@@ -24,6 +24,15 @@ int sunxi_gmac_initialize(bd_t *bis)
 		CCM_GMAC_CTRL_GPIT_MII);
 #endif
 
+	/*
+	 * In order for the gmac nic to work reliable on the Bananapi, we
+	 * need to set bits 10-12 GTXDC "GMAC Transmit Clock Delay Chain"
+	 * of the GMAC clk register to 3.
+	 */
+#ifdef CONFIG_BANANAPI
+	setbits_le32(&ccm->gmac_clk_cfg, 0x3 << 10);
+#endif
+
 	/* Configure pin mux settings for GMAC */
 	for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
 #ifdef CONFIG_RGMII