Add support for SAMA7G5 GMAC.
Signed-off-by: Claudiu Beznea claudiu.beznea@microchip.com --- drivers/net/macb.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 80ed58d4b908..e87ffd9be3ed 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -595,6 +595,23 @@ static int macb_sifive_clk_init(struct udevice *dev, ulong rate) return 0; }
+static int macb_sama7g5_clk_init(struct udevice *dev, ulong rate) +{ + struct clk clk; + int ret; + + ret = clk_get_by_name(dev, "tx_clk", &clk); + if (ret) + return ret; + + /* + * This is for using GCK. Clock rate is addressed via assigned-clock + * property, so only clock enable is needed here. The switching to + * proper clock rate depending on link speed is managed by IP logic. + */ + return clk_enable(&clk); +} + int __weak macb_linkspd_cb(struct udevice *dev, unsigned int speed) { #ifdef CONFIG_CLK @@ -1430,6 +1447,13 @@ static int macb_eth_of_to_plat(struct udevice *dev) return macb_late_eth_of_to_plat(dev); }
+static const struct macb_usrio_cfg sama7g5_usrio = { + .mii = 0, + .rmii = 1, + .rgmii = 2, + .clken = BIT(2), +}; + static const struct macb_config microchip_config = { .dma_burst_length = 16, .hw_dma_cap = HW_DMA_CAP_64B, @@ -1451,10 +1475,19 @@ static const struct macb_config sifive_config = { .usrio = &macb_default_usrio, };
+static const struct macb_config sama7g5_gmac_config = { + .dma_burst_length = 16, + .hw_dma_cap = HW_DMA_CAP_32B, + .clk_init = macb_sama7g5_clk_init, + .usrio = &sama7g5_usrio, +}; + static const struct udevice_id macb_eth_ids[] = { { .compatible = "cdns,macb" }, { .compatible = "cdns,at91sam9260-macb" }, { .compatible = "cdns,sam9x60-macb" }, + { .compatible = "cdns,sama7g5-gem", + .data = (ulong)&sama7g5_gmac_config }, { .compatible = "atmel,sama5d2-gem" }, { .compatible = "atmel,sama5d3-gem" }, { .compatible = "atmel,sama5d4-gem", .data = (ulong)&sama5d4_config },