mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-11-04 02:11:25 +01:00
ec3b97e11d
Update fixedphy_probe() to support the old DT binding. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Ramon Fried <rfried.dev@gmail.com> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
112 lines
2.3 KiB
C
112 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Fixed-Link phy
|
|
*
|
|
* Copyright 2017 Bernecker & Rainer Industrieelektronik GmbH
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <malloc.h>
|
|
#include <phy.h>
|
|
#include <dm.h>
|
|
#include <fdt_support.h>
|
|
#include <asm/global_data.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static int fixedphy_probe(struct phy_device *phydev)
|
|
{
|
|
/* fixed-link phy must not be reset by core phy code */
|
|
phydev->flags |= PHY_FLAG_BROKEN_RESET;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fixedphy_config(struct phy_device *phydev)
|
|
{
|
|
ofnode node = phy_get_ofnode(phydev);
|
|
struct fixed_link *priv;
|
|
bool old_binding = false;
|
|
u32 old_val[5];
|
|
u32 val;
|
|
|
|
if (!ofnode_valid(node))
|
|
return -EINVAL;
|
|
|
|
/* check for mandatory properties within fixed-link node */
|
|
val = ofnode_read_u32_default(node, "speed", 0);
|
|
|
|
if (!val) {
|
|
/* try old binding */
|
|
old_binding = true;
|
|
if (ofnode_read_u32_array(node, "fixed-link", old_val,
|
|
ARRAY_SIZE(old_val))) {
|
|
printf("ERROR: no/invalid <fixed-link> property!\n");
|
|
return -ENOENT;
|
|
}
|
|
val = old_val[2];
|
|
}
|
|
|
|
if (val != SPEED_10 && val != SPEED_100 && val != SPEED_1000 &&
|
|
val != SPEED_2500 && val != SPEED_10000) {
|
|
printf("ERROR: no/invalid speed given in fixed-link node!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
priv = malloc(sizeof(*priv));
|
|
if (!priv)
|
|
return -ENOMEM;
|
|
memset(priv, 0, sizeof(*priv));
|
|
|
|
phydev->priv = priv;
|
|
|
|
priv->link_speed = val;
|
|
if (!old_binding) {
|
|
priv->duplex = ofnode_read_bool(node, "full-duplex");
|
|
priv->pause = ofnode_read_bool(node, "pause");
|
|
priv->asym_pause = ofnode_read_bool(node, "asym-pause");
|
|
} else {
|
|
priv->duplex = old_val[1];
|
|
priv->pause = old_val[3];
|
|
priv->asym_pause = old_val[4];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fixedphy_startup(struct phy_device *phydev)
|
|
{
|
|
struct fixed_link *priv = phydev->priv;
|
|
|
|
phydev->asym_pause = priv->asym_pause;
|
|
phydev->pause = priv->pause;
|
|
phydev->duplex = priv->duplex;
|
|
phydev->speed = priv->link_speed;
|
|
phydev->link = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fixedphy_shutdown(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct phy_driver fixedphy_driver = {
|
|
.uid = PHY_FIXED_ID,
|
|
.mask = 0xffffffff,
|
|
.name = "Fixed PHY",
|
|
.features = PHY_GBIT_FEATURES | SUPPORTED_MII,
|
|
.probe = fixedphy_probe,
|
|
.config = fixedphy_config,
|
|
.startup = fixedphy_startup,
|
|
.shutdown = fixedphy_shutdown,
|
|
};
|
|
|
|
int phy_fixed_init(void)
|
|
{
|
|
phy_register(&fixedphy_driver);
|
|
return 0;
|
|
}
|