diff options
| -rw-r--r-- | board/sunxi/gmac.c | 9 |
1 files changed, 9 insertions, 0 deletions
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 |
