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net: ti: am65-cpsw-nuss: Enable MDIO manual mode

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For the TI SoCs affected by errata i2329, enable MDIO manual
mode by default

Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This commit is contained in:
Ravi Gunasekaran
2022-09-22 15:21:24 +05:30
committed by Tom Rini
parent 9ea30ea66a
commit d0fc818259
1 changed files with 22 additions and 1 deletions
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23
drivers/net/ti/am65-cpsw-nuss.c
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@@ -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;