mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.6 KiB
56 lines
1.6 KiB
/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ |
|
/* Copyright 2019 NXP */ |
|
|
|
#ifndef _FSL_ENETC_MDIO_H_ |
|
#define _FSL_ENETC_MDIO_H_ |
|
|
|
#include <linux/phy.h> |
|
|
|
/* PCS registers */ |
|
#define ENETC_PCS_LINK_TIMER1 0x12 |
|
#define ENETC_PCS_LINK_TIMER1_VAL 0x06a0 |
|
#define ENETC_PCS_LINK_TIMER2 0x13 |
|
#define ENETC_PCS_LINK_TIMER2_VAL 0x0003 |
|
#define ENETC_PCS_IF_MODE 0x14 |
|
#define ENETC_PCS_IF_MODE_SGMII_EN BIT(0) |
|
#define ENETC_PCS_IF_MODE_USE_SGMII_AN BIT(1) |
|
#define ENETC_PCS_IF_MODE_SGMII_SPEED(x) (((x) << 2) & GENMASK(3, 2)) |
|
#define ENETC_PCS_IF_MODE_DUPLEX_HALF BIT(3) |
|
|
|
/* Not a mistake, the SerDes PLL needs to be set at 3.125 GHz by Reset |
|
* Configuration Word (RCW, outside Linux control) for 2.5G SGMII mode. The PCS |
|
* still thinks it's at gigabit. |
|
*/ |
|
enum enetc_pcs_speed { |
|
ENETC_PCS_SPEED_10 = 0, |
|
ENETC_PCS_SPEED_100 = 1, |
|
ENETC_PCS_SPEED_1000 = 2, |
|
ENETC_PCS_SPEED_2500 = 2, |
|
}; |
|
|
|
struct enetc_hw; |
|
|
|
struct enetc_mdio_priv { |
|
struct enetc_hw *hw; |
|
int mdio_base; |
|
}; |
|
|
|
#if IS_REACHABLE(CONFIG_FSL_ENETC_MDIO) |
|
|
|
int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum); |
|
int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum, u16 value); |
|
struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs); |
|
|
|
#else |
|
|
|
static inline int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum) |
|
{ return -EINVAL; } |
|
static inline int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum, |
|
u16 value) |
|
{ return -EINVAL; } |
|
struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) |
|
{ return ERR_PTR(-EINVAL); } |
|
|
|
#endif |
|
|
|
#endif
|
|
|