For the TI SoCs affected by errata i2329, enable MDIO manual mode by default
Signed-off-by: Ravi Gunasekaran r-gunasekaran@ti.com --- drivers/net/ti/am65-cpsw-nuss.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ti/am65-cpsw-nuss.c b/drivers/net/ti/am65-cpsw-nuss.c index 29c0422961..5ef04e3d83 100644 --- a/drivers/net/ti/am65-cpsw-nuss.c +++ b/drivers/net/ti/am65-cpsw-nuss.c @@ -21,6 +21,7 @@ #include <net.h> #include <phy.h> #include <power-domain.h> +#include <soc.h> #include <linux/bitops.h> #include <linux/soc/ti/ti-udma.h>
@@ -127,6 +128,8 @@ struct am65_cpsw_priv { bool has_phy; ofnode phy_node; u32 phy_addr; + + bool mdio_manual_mode; };
#ifdef PKTSIZE_ALIGN @@ -541,6 +544,20 @@ static const struct eth_ops am65_cpsw_ops = { .read_rom_hwaddr = am65_cpsw_read_rom_hwaddr, };
+static const struct soc_attr k3_mdio_soc_data[] = { + { .family = "AM62X", .revision = "SR1.0" }, + { .family = "AM64X", .revision = "SR1.0" }, + { .family = "AM64X", .revision = "SR2.0" }, + { .family = "AM65X", .revision = "SR1.0" }, + { .family = "AM65X", .revision = "SR2.0" }, + { .family = "J7200", .revision = "SR1.0" }, + { .family = "J7200", .revision = "SR2.0" }, + { .family = "J721E", .revision = "SR1.0" }, + { .family = "J721E", .revision = "SR1.1" }, + { .family = "J721S2", .revision = "SR1.0" }, + { /* sentinel */ }, +}; + static int am65_cpsw_mdio_init(struct udevice *dev) { struct am65_cpsw_priv *priv = dev_get_priv(dev); @@ -553,7 +570,7 @@ static int am65_cpsw_mdio_init(struct udevice *dev) cpsw_common->mdio_base, cpsw_common->bus_freq, clk_get_rate(&cpsw_common->fclk), - false); + priv->mdio_manual_mode); if (!cpsw_common->bus) return -EFAULT;
@@ -658,6 +675,10 @@ static int am65_cpsw_port_probe(struct udevice *dev) sprintf(portname, "%s%s", dev->parent->name, dev->name); device_set_name(dev, portname);
+ priv->mdio_manual_mode = false; + if (soc_device_match(k3_mdio_soc_data)) + priv->mdio_manual_mode = true; + ret = am65_cpsw_ofdata_parse_phy(dev); if (ret) goto out;