package/boot/uboot-sunxi/patches/003-uboot-fix-gmac-not-working-reliable-on-bananapi.patch

   1 diff --git a/board/sunxi/gmac.c b/board/sunxi/gmac.c
   2 index e7ff952..f58c963 100644
   3 --- a/board/sunxi/gmac.c
   4 +++ b/board/sunxi/gmac.c
   5 @@ -24,6 +24,15 @@ int sunxi_gmac_initialize(bd_t *bis)
   6                 CCM_GMAC_CTRL_GPIT_MII);
   7  #endif
   8
   9 +       /*
  10 +        * HdG: this is necessary to get GMAC to work reliable on the
  11 +        * Bananapi. We don't know what these undocumented bits do, so this
  12 +        * is a Bananapi specific hack for now.
  13 +        */
  14 +#ifdef CONFIG_BANANAPI
  15 +       setbits_le32(&ccm->gmac_clk_cfg, 0x3 << 10);
  16 +#endif
  17 +
  18         /* Configure pin mux settings for GMAC */
  19         for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
  20  #ifdef CONFIG_RGMII