From: Chen-Yu Tsai wens@csie.org
Many A20 boards (ie Cubieboard2, A20-OLinuXino_MICRO) use an 100 Mbit MII phy together with the GMAC nic found in the A20 SoC, add support for this (this will get used when we add these boards in a later patch).
Signed-off-by: Chen-Yu Tsai wens@csie.org Signed-off-by: Hans de Goede hdegoede@redhat.com Acked-by: Ian Campbell ijc@hellion.org.uk --- board/sunxi/gmac.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/board/sunxi/gmac.c b/board/sunxi/gmac.c index e48328d..e7ff952 100644 --- a/board/sunxi/gmac.c +++ b/board/sunxi/gmac.c @@ -16,17 +16,28 @@ int sunxi_gmac_initialize(bd_t *bis) setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC);
/* Set MII clock */ +#ifdef CONFIG_RGMII setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII | CCM_GMAC_CTRL_GPIT_RGMII); +#else + setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_MII | + CCM_GMAC_CTRL_GPIT_MII); +#endif
/* Configure pin mux settings for GMAC */ for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) { +#ifdef CONFIG_RGMII /* skip unused pins in RGMII mode */ if (pin == SUNXI_GPA(9) || pin == SUNXI_GPA(14)) continue; +#endif sunxi_gpio_set_cfgpin(pin, SUN7I_GPA0_GMAC); sunxi_gpio_set_drv(pin, 3); }
+#ifdef CONFIG_RGMII return designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_RGMII); +#else + return designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_MII); +#endif }