From d0fc8182596167ff71c73d9c9e4db69cf84c6071 Mon Sep 17 00:00:00 2001 From: Ravi Gunasekaran Date: Thu, 22 Sep 2022 15:21:24 +0530 Subject: [PATCH] net: ti: am65-cpsw-nuss: Enable MDIO manual mode For the TI SoCs affected by errata i2329, enable MDIO manual mode by default Signed-off-by: Ravi Gunasekaran Reviewed-by: Ramon Fried --- 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 3d0a329aa1..f674b0baa3 100644 --- a/drivers/net/ti/am65-cpsw-nuss.c +++ b/drivers/net/ti/am65-cpsw-nuss.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -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; -- 2.39.5