+// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright (C) 2005 Freescale Semiconductor, Inc.
+ * Copyright (C) 2005,2010-2011 Freescale Semiconductor, Inc.
*
* Author: Shlomi Gridish
*
* Description: UCC GETH Driver -- PHY handling
* Driver for UEC on QE
* Based on 8260_io/fcc_enet.c
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
-#include "common.h"
-#include "net.h"
-#include "malloc.h"
-#include "asm/errno.h"
-#include "asm/immap_qe.h"
-#include "asm/io.h"
-#include "qe.h"
+#include <common.h>
+#include <net.h>
+#include <malloc.h>
+#include <linux/errno.h>
+#include <linux/immap_qe.h>
+#include <asm/io.h>
#include "uccf.h"
#include "uec.h"
#include "uec_phy.h"
#include "miiphy.h"
+#include <fsl_qe.h>
+#include <phy.h>
#define ugphy_printk(format, arg...) \
printf(format "\n", ## arg)
#endif
struct fixed_phy_port {
- char name[NAMESIZE]; /* ethernet port name */
+ char name[16]; /* ethernet port name */
unsigned int speed; /* specified speed 10,100 or 1000 */
unsigned int duplex; /* specified duplex FULL or HALF */
};
static int genmii_config_aneg (struct uec_mii_info *mii_info);
static int genmii_update_link (struct uec_mii_info *mii_info);
static int genmii_read_status (struct uec_mii_info *mii_info);
-u16 phy_read (struct uec_mii_info *mii_info, u16 regnum);
-void phy_write (struct uec_mii_info *mii_info, u16 regnum, u16 val);
+u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum);
+void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val);
/* Write value to the PHY for this device to the register at regnum, */
/* waiting until the write is done before it returns. All PHY */
advertise = mii_info->advertising;
/* Setup standard advertisement */
- adv = phy_read (mii_info, PHY_ANAR);
+ adv = uec_phy_read(mii_info, MII_ADVERTISE);
adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
if (advertise & ADVERTISED_10baseT_Half)
adv |= ADVERTISE_10HALF;
adv |= ADVERTISE_100HALF;
if (advertise & ADVERTISED_100baseT_Full)
adv |= ADVERTISE_100FULL;
- phy_write (mii_info, PHY_ANAR, adv);
+ uec_phy_write(mii_info, MII_ADVERTISE, adv);
}
static void genmii_setup_forced (struct uec_mii_info *mii_info)
u16 ctrl;
u32 features = mii_info->phyinfo->features;
- ctrl = phy_read (mii_info, PHY_BMCR);
+ ctrl = uec_phy_read(mii_info, MII_BMCR);
- ctrl &= ~(PHY_BMCR_DPLX | PHY_BMCR_100_MBPS |
- PHY_BMCR_1000_MBPS | PHY_BMCR_AUTON);
- ctrl |= PHY_BMCR_RESET;
+ ctrl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 |
+ BMCR_SPEED1000 | BMCR_ANENABLE);
+ ctrl |= BMCR_RESET;
switch (mii_info->speed) {
case SPEED_1000:
if (features & (SUPPORTED_1000baseT_Half
| SUPPORTED_1000baseT_Full)) {
- ctrl |= PHY_BMCR_1000_MBPS;
+ ctrl |= BMCR_SPEED1000;
break;
}
mii_info->speed = SPEED_100;
case SPEED_100:
if (features & (SUPPORTED_100baseT_Half
| SUPPORTED_100baseT_Full)) {
- ctrl |= PHY_BMCR_100_MBPS;
+ ctrl |= BMCR_SPEED100;
break;
}
mii_info->speed = SPEED_10;
break;
}
- phy_write (mii_info, PHY_BMCR, ctrl);
+ uec_phy_write(mii_info, MII_BMCR, ctrl);
}
/* Enable and Restart Autonegotiation */
{
u16 ctl;
- ctl = phy_read (mii_info, PHY_BMCR);
- ctl |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
- phy_write (mii_info, PHY_BMCR, ctl);
+ ctl = uec_phy_read(mii_info, MII_BMCR);
+ ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
+ uec_phy_write(mii_info, MII_BMCR, ctl);
}
static int gbit_config_aneg (struct uec_mii_info *mii_info)
config_genmii_advert (mii_info);
advertise = mii_info->advertising;
- adv = phy_read (mii_info, MII_1000BASETCONTROL);
- adv &= ~(MII_1000BASETCONTROL_FULLDUPLEXCAP |
- MII_1000BASETCONTROL_HALFDUPLEXCAP);
+ adv = uec_phy_read(mii_info, MII_CTRL1000);
+ adv &= ~(ADVERTISE_1000FULL |
+ ADVERTISE_1000HALF);
if (advertise & SUPPORTED_1000baseT_Half)
- adv |= MII_1000BASETCONTROL_HALFDUPLEXCAP;
+ adv |= ADVERTISE_1000HALF;
if (advertise & SUPPORTED_1000baseT_Full)
- adv |= MII_1000BASETCONTROL_FULLDUPLEXCAP;
- phy_write (mii_info, MII_1000BASETCONTROL, adv);
+ adv |= ADVERTISE_1000FULL;
+ uec_phy_write(mii_info, MII_CTRL1000, adv);
/* Start/Restart aneg */
genmii_restart_aneg (mii_info);
/* The Marvell PHY has an errata which requires
* that certain registers get written in order
* to restart autonegotiation */
- phy_write (mii_info, PHY_BMCR, PHY_BMCR_RESET);
+ uec_phy_write(mii_info, MII_BMCR, BMCR_RESET);
- phy_write (mii_info, 0x1d, 0x1f);
- phy_write (mii_info, 0x1e, 0x200c);
- phy_write (mii_info, 0x1d, 0x5);
- phy_write (mii_info, 0x1e, 0);
- phy_write (mii_info, 0x1e, 0x100);
+ uec_phy_write(mii_info, 0x1d, 0x1f);
+ uec_phy_write(mii_info, 0x1e, 0x200c);
+ uec_phy_write(mii_info, 0x1d, 0x5);
+ uec_phy_write(mii_info, 0x1e, 0);
+ uec_phy_write(mii_info, 0x1e, 0x100);
gbit_config_aneg (mii_info);
static int genmii_config_aneg (struct uec_mii_info *mii_info)
{
if (mii_info->autoneg) {
+ /* Speed up the common case, if link is already up, speed and
+ duplex match, skip auto neg as it already matches */
+ if (!genmii_read_status(mii_info) && mii_info->link)
+ if (mii_info->duplex == DUPLEX_FULL &&
+ mii_info->speed == SPEED_100)
+ if (mii_info->advertising &
+ ADVERTISED_100baseT_Full)
+ return 0;
+
config_genmii_advert (mii_info);
genmii_restart_aneg (mii_info);
} else
u16 status;
/* Status is read once to clear old link state */
- phy_read (mii_info, PHY_BMSR);
+ uec_phy_read(mii_info, MII_BMSR);
/*
* Wait if the link is up, and autonegotiation is in progress
* (ie - we're capable and it's not done)
*/
- status = phy_read(mii_info, PHY_BMSR);
- if ((status & PHY_BMSR_LS) && (status & PHY_BMSR_AUTN_ABLE)
- && !(status & PHY_BMSR_AUTN_COMP)) {
+ status = uec_phy_read(mii_info, MII_BMSR);
+ if ((status & BMSR_LSTATUS) && (status & BMSR_ANEGCAPABLE)
+ && !(status & BMSR_ANEGCOMPLETE)) {
int i = 0;
- while (!(status & PHY_BMSR_AUTN_COMP)) {
+ while (!(status & BMSR_ANEGCOMPLETE)) {
/*
* Timeout reached ?
*/
i++;
udelay(1000); /* 1 ms */
- status = phy_read(mii_info, PHY_BMSR);
+ status = uec_phy_read(mii_info, MII_BMSR);
}
mii_info->link = 1;
- udelay(500000); /* another 500 ms (results in faster booting) */
} else {
- if (status & PHY_BMSR_LS)
+ if (status & BMSR_LSTATUS)
mii_info->link = 1;
else
mii_info->link = 0;
return err;
if (mii_info->autoneg) {
- status = phy_read(mii_info, MII_1000BASETSTATUS);
+ status = uec_phy_read(mii_info, MII_STAT1000);
if (status & (LPA_1000FULL | LPA_1000HALF)) {
mii_info->speed = SPEED_1000;
else
mii_info->duplex = DUPLEX_HALF;
} else {
- status = phy_read(mii_info, PHY_ANLPAR);
+ status = uec_phy_read(mii_info, MII_LPA);
- if (status & (PHY_ANLPAR_10FD | PHY_ANLPAR_TXFD))
+ if (status & (LPA_10FULL | LPA_100FULL))
mii_info->duplex = DUPLEX_FULL;
else
mii_info->duplex = DUPLEX_HALF;
- if (status & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX))
+ if (status & (LPA_100FULL | LPA_100HALF))
mii_info->speed = SPEED_100;
else
mii_info->speed = SPEED_10;
gbit_config_aneg(mii_info);
- if ((uec->uec_info->enet_interface_type == RGMII_RXID) &&
- (uec->uec_info->speed == 1000)) {
+ if ((uec->uec_info->enet_interface_type ==
+ PHY_INTERFACE_MODE_RGMII_RXID) &&
+ (uec->uec_info->speed == SPEED_1000)) {
u16 val;
int cnt = 50;
/* Wait for aneg to complete. */
do
- val = phy_read(mii_info, PHY_BMSR);
- while (--cnt && !(val & PHY_BMSR_AUTN_COMP));
+ val = uec_phy_read(mii_info, MII_BMSR);
+ while (--cnt && !(val & BMSR_ANEGCOMPLETE));
/* Set RDX clk delay. */
- phy_write(mii_info, 0x18, 0x7 | (7 << 12));
+ uec_phy_write(mii_info, 0x18, 0x7 | (7 << 12));
- val = phy_read(mii_info, 0x18);
+ val = uec_phy_read(mii_info, 0x18);
/* Set RDX-RXC skew. */
val |= (1 << 8);
val |= (7 | (7 << 12));
/* Write bits 14:0. */
val |= (1 << 15);
- phy_write(mii_info, 0x18, val);
+ uec_phy_write(mii_info, 0x18, val);
}
return 0;
}
-static int marvell_init(struct uec_mii_info *mii_info)
+static int uec_marvell_init(struct uec_mii_info *mii_info)
{
struct eth_device *edev = mii_info->dev;
uec_private_t *uec = edev->priv;
- enum enet_interface_type iface = uec->uec_info->enet_interface_type;
+ phy_interface_t iface = uec->uec_info->enet_interface_type;
int speed = uec->uec_info->speed;
- if ((speed == 1000) &&
- (iface == RGMII_ID ||
- iface == RGMII_RXID ||
- iface == RGMII_TXID)) {
+ if ((speed == SPEED_1000) &&
+ (iface == PHY_INTERFACE_MODE_RGMII_ID ||
+ iface == PHY_INTERFACE_MODE_RGMII_RXID ||
+ iface == PHY_INTERFACE_MODE_RGMII_TXID)) {
int temp;
- temp = phy_read(mii_info, MII_M1111_PHY_EXT_CR);
- if (iface == RGMII_ID) {
+ temp = uec_phy_read(mii_info, MII_M1111_PHY_EXT_CR);
+ if (iface == PHY_INTERFACE_MODE_RGMII_ID) {
temp |= MII_M1111_RX_DELAY | MII_M1111_TX_DELAY;
- } else if (iface == RGMII_RXID) {
+ } else if (iface == PHY_INTERFACE_MODE_RGMII_RXID) {
temp &= ~MII_M1111_TX_DELAY;
temp |= MII_M1111_RX_DELAY;
- } else if (iface == RGMII_TXID) {
+ } else if (iface == PHY_INTERFACE_MODE_RGMII_TXID) {
temp &= ~MII_M1111_RX_DELAY;
temp |= MII_M1111_TX_DELAY;
}
- phy_write(mii_info, MII_M1111_PHY_EXT_CR, temp);
+ uec_phy_write(mii_info, MII_M1111_PHY_EXT_CR, temp);
- temp = phy_read(mii_info, MII_M1111_PHY_EXT_SR);
+ temp = uec_phy_read(mii_info, MII_M1111_PHY_EXT_SR);
temp &= ~MII_M1111_HWCFG_MODE_MASK;
temp |= MII_M1111_HWCFG_MODE_RGMII;
- phy_write(mii_info, MII_M1111_PHY_EXT_SR, temp);
+ uec_phy_write(mii_info, MII_M1111_PHY_EXT_SR, temp);
- phy_write(mii_info, PHY_BMCR, PHY_BMCR_RESET);
+ uec_phy_write(mii_info, MII_BMCR, BMCR_RESET);
}
return 0;
if (mii_info->autoneg && mii_info->link) {
int speed;
- status = phy_read (mii_info, MII_M1011_PHY_SPEC_STATUS);
+ status = uec_phy_read(mii_info, MII_M1011_PHY_SPEC_STATUS);
/* Get the duplexity */
if (status & MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX)
static int marvell_ack_interrupt (struct uec_mii_info *mii_info)
{
/* Clear the interrupts by reading the reg */
- phy_read (mii_info, MII_M1011_IEVENT);
+ uec_phy_read(mii_info, MII_M1011_IEVENT);
return 0;
}
static int marvell_config_intr (struct uec_mii_info *mii_info)
{
if (mii_info->interrupts == MII_INTERRUPT_ENABLED)
- phy_write (mii_info, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
+ uec_phy_write(mii_info, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
else
- phy_write (mii_info, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
+ uec_phy_write(mii_info, MII_M1011_IMASK,
+ MII_M1011_IMASK_CLEAR);
return 0;
}
static int dm9161_init (struct uec_mii_info *mii_info)
{
/* Reset the PHY */
- phy_write (mii_info, PHY_BMCR, phy_read (mii_info, PHY_BMCR) |
- PHY_BMCR_RESET);
+ uec_phy_write(mii_info, MII_BMCR, uec_phy_read(mii_info, MII_BMCR) |
+ BMCR_RESET);
/* PHY and MAC connect */
- phy_write (mii_info, PHY_BMCR, phy_read (mii_info, PHY_BMCR) &
- ~PHY_BMCR_ISO);
+ uec_phy_write(mii_info, MII_BMCR, uec_phy_read(mii_info, MII_BMCR) &
+ ~BMCR_ISOLATE);
- phy_write (mii_info, MII_DM9161_SCR, MII_DM9161_SCR_INIT);
+ uec_phy_write(mii_info, MII_DM9161_SCR, MII_DM9161_SCR_INIT);
config_genmii_advert (mii_info);
/* Start/restart aneg */
/* If the link is up, read the speed and duplex
If we aren't autonegotiating assume speeds are as set */
if (mii_info->autoneg && mii_info->link) {
- status = phy_read (mii_info, MII_DM9161_SCSR);
+ status = uec_phy_read(mii_info, MII_DM9161_SCSR);
if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_100H))
mii_info->speed = SPEED_100;
else
static int dm9161_ack_interrupt (struct uec_mii_info *mii_info)
{
/* Clear the interrupt by reading the reg */
- phy_read (mii_info, MII_DM9161_INTR);
+ uec_phy_read(mii_info, MII_DM9161_INTR);
return 0;
}
static int dm9161_config_intr (struct uec_mii_info *mii_info)
{
if (mii_info->interrupts == MII_INTERRUPT_ENABLED)
- phy_write (mii_info, MII_DM9161_INTR, MII_DM9161_INTR_INIT);
+ uec_phy_write(mii_info, MII_DM9161_INTR, MII_DM9161_INTR_INIT);
else
- phy_write (mii_info, MII_DM9161_INTR, MII_DM9161_INTR_STOP);
+ uec_phy_write(mii_info, MII_DM9161_INTR, MII_DM9161_INTR_STOP);
return 0;
}
if (mii_info->autoneg && mii_info->link) {
int val;
- status = phy_read (mii_info, 0x1f);
+ status = uec_phy_read(mii_info, 0x1f);
val = (status & 0x1c) >> 2;
switch (val) {
.phy_id_mask = 0xffffff00,
.name = "Marvell 88E11x1",
.features = MII_GBIT_FEATURES,
- .init = &marvell_init,
+ .init = &uec_marvell_init,
.config_aneg = &marvell_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
NULL
};
-u16 phy_read (struct uec_mii_info *mii_info, u16 regnum)
+u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum)
{
return mii_info->mdio_read (mii_info->dev, mii_info->mii_id, regnum);
}
-void phy_write (struct uec_mii_info *mii_info, u16 regnum, u16 val)
+void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val)
{
mii_info->mdio_write (mii_info->dev, mii_info->mii_id, regnum, val);
}
struct phy_info *theInfo = NULL;
/* Grab the bits from PHYIR1, and put them in the upper half */
- phy_reg = phy_read (mii_info, PHY_PHYIDR1);
+ phy_reg = uec_phy_read(mii_info, MII_PHYSID1);
phy_ID = (phy_reg & 0xffff) << 16;
/* Grab the bits from PHYIR2, and put them in the lower half */
- phy_reg = phy_read (mii_info, PHY_PHYIDR2);
+ phy_reg = uec_phy_read(mii_info, MII_PHYSID2);
phy_ID |= (phy_reg & 0xffff);
/* loop through all the known PHY types, and find one that */
return theInfo;
}
-void marvell_phy_interface_mode (struct eth_device *dev,
- enet_interface_type_e type,
- int speed
- )
+void marvell_phy_interface_mode(struct eth_device *dev, phy_interface_t type,
+ int speed)
{
uec_private_t *uec = (uec_private_t *) dev->priv;
struct uec_mii_info *mii_info;
}
mii_info = uec->mii_info;
- if (type == RGMII) {
- if (speed == 100) {
- phy_write (mii_info, 0x00, 0x9140);
- phy_write (mii_info, 0x1d, 0x001f);
- phy_write (mii_info, 0x1e, 0x200c);
- phy_write (mii_info, 0x1d, 0x0005);
- phy_write (mii_info, 0x1e, 0x0000);
- phy_write (mii_info, 0x1e, 0x0100);
- phy_write (mii_info, 0x09, 0x0e00);
- phy_write (mii_info, 0x04, 0x01e1);
- phy_write (mii_info, 0x00, 0x9140);
- phy_write (mii_info, 0x00, 0x1000);
+ if (type == PHY_INTERFACE_MODE_RGMII) {
+ if (speed == SPEED_100) {
+ uec_phy_write(mii_info, 0x00, 0x9140);
+ uec_phy_write(mii_info, 0x1d, 0x001f);
+ uec_phy_write(mii_info, 0x1e, 0x200c);
+ uec_phy_write(mii_info, 0x1d, 0x0005);
+ uec_phy_write(mii_info, 0x1e, 0x0000);
+ uec_phy_write(mii_info, 0x1e, 0x0100);
+ uec_phy_write(mii_info, 0x09, 0x0e00);
+ uec_phy_write(mii_info, 0x04, 0x01e1);
+ uec_phy_write(mii_info, 0x00, 0x9140);
+ uec_phy_write(mii_info, 0x00, 0x1000);
udelay (100000);
- phy_write (mii_info, 0x00, 0x2900);
- phy_write (mii_info, 0x14, 0x0cd2);
- phy_write (mii_info, 0x00, 0xa100);
- phy_write (mii_info, 0x09, 0x0000);
- phy_write (mii_info, 0x1b, 0x800b);
- phy_write (mii_info, 0x04, 0x05e1);
- phy_write (mii_info, 0x00, 0xa100);
- phy_write (mii_info, 0x00, 0x2100);
+ uec_phy_write(mii_info, 0x00, 0x2900);
+ uec_phy_write(mii_info, 0x14, 0x0cd2);
+ uec_phy_write(mii_info, 0x00, 0xa100);
+ uec_phy_write(mii_info, 0x09, 0x0000);
+ uec_phy_write(mii_info, 0x1b, 0x800b);
+ uec_phy_write(mii_info, 0x04, 0x05e1);
+ uec_phy_write(mii_info, 0x00, 0xa100);
+ uec_phy_write(mii_info, 0x00, 0x2100);
udelay (1000000);
- } else if (speed == 10) {
- phy_write (mii_info, 0x14, 0x8e40);
- phy_write (mii_info, 0x1b, 0x800b);
- phy_write (mii_info, 0x14, 0x0c82);
- phy_write (mii_info, 0x00, 0x8100);
+ } else if (speed == SPEED_10) {
+ uec_phy_write(mii_info, 0x14, 0x8e40);
+ uec_phy_write(mii_info, 0x1b, 0x800b);
+ uec_phy_write(mii_info, 0x14, 0x0c82);
+ uec_phy_write(mii_info, 0x00, 0x8100);
udelay (1000000);
}
}
/* handle 88e1111 rev.B2 erratum 5.6 */
if (mii_info->autoneg) {
- status = phy_read (mii_info, PHY_BMCR);
- phy_write (mii_info, PHY_BMCR, status | PHY_BMCR_AUTON);
+ status = uec_phy_read(mii_info, MII_BMCR);
+ uec_phy_write(mii_info, MII_BMCR, status | BMCR_ANENABLE);
}
/* now the B2 will correctly report autoneg completion status */
}
void change_phy_interface_mode (struct eth_device *dev,
- enet_interface_type_e type, int speed)
+ phy_interface_t type, int speed)
{
#ifdef CONFIG_PHY_MODE_NEED_CHANGE
marvell_phy_interface_mode (dev, type, speed);