Release 4.7 drivers/net/phy/icplus.c
/*
* Driver for ICPlus PHYs
*
* Copyright (c) 2007 Freescale Semiconductor, Inc.
*
* 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 <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/unistd.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IP101G/IC1001 PHY drivers");
MODULE_AUTHOR("Michael Barkowski");
MODULE_LICENSE("GPL");
/* IP101A/G - IP1001 */
#define IP10XX_SPEC_CTRL_STATUS 16
/* Spec. Control Register */
#define IP1001_RXPHASE_SEL (1<<0)
/* Add delay on RX_CLK */
#define IP1001_TXPHASE_SEL (1<<1)
/* Add delay on TX_CLK */
#define IP1001_SPEC_CTRL_STATUS_2 20
/* IP1001 Spec. Control Reg 2 */
#define IP1001_APS_ON 11
/* IP1001 APS Mode bit */
#define IP101A_G_APS_ON 2
/* IP101A/G APS Mode bit */
#define IP101A_G_IRQ_CONF_STATUS 0x11
/* Conf Info IRQ & Status Reg */
#define IP101A_G_IRQ_PIN_USED (1<<15)
/* INTR pin used */
#define IP101A_G_IRQ_DEFAULT IP101A_G_IRQ_PIN_USED
static int ip175c_config_init(struct phy_device *phydev)
{
int err, i;
static int full_reset_performed;
if (full_reset_performed == 0) {
/* master reset */
err = mdiobus_write(phydev->mdio.bus, 30, 0, 0x175c);
if (err < 0)
return err;
/* ensure no bus delays overlap reset period */
err = mdiobus_read(phydev->mdio.bus, 30, 0);
/* data sheet specifies reset period is 2 msec */
mdelay(2);
/* enable IP175C mode */
err = mdiobus_write(phydev->mdio.bus, 29, 31, 0x175c);
if (err < 0)
return err;
/* Set MII0 speed and duplex (in PHY mode) */
err = mdiobus_write(phydev->mdio.bus, 29, 22, 0x420);
if (err < 0)
return err;
/* reset switch ports */
for (i = 0; i < 5; i++) {
err = mdiobus_write(phydev->mdio.bus, i,
MII_BMCR, BMCR_RESET);
if (err < 0)
return err;
}
for (i = 0; i < 5; i++)
err = mdiobus_read(phydev->mdio.bus, i, MII_BMCR);
mdelay(2);
full_reset_performed = 1;
}
if (phydev->mdio.addr != 4) {
phydev->state = PHY_RUNNING;
phydev->speed = SPEED_100;
phydev->duplex = DUPLEX_FULL;
phydev->link = 1;
netif_carrier_on(phydev->attached_dev);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael barkowski | michael barkowski | 236 | 92.19% | 1 | 33.33% |
| andrew lunn | andrew lunn | 14 | 5.47% | 1 | 33.33% |
| david daney | david daney | 6 | 2.34% | 1 | 33.33% |
| Total | 256 | 100.00% | 3 | 100.00% |
static int ip1xx_reset(struct phy_device *phydev)
{
int bmcr;
/* Software Reset PHY */
bmcr = phy_read(phydev, MII_BMCR);
if (bmcr < 0)
return bmcr;
bmcr |= BMCR_RESET;
bmcr = phy_write(phydev, MII_BMCR, bmcr);
if (bmcr < 0)
return bmcr;
do {
bmcr = phy_read(phydev, MII_BMCR);
if (bmcr < 0)
return bmcr;
} while (bmcr & BMCR_RESET);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuseppe cavallaro | giuseppe cavallaro | 66 | 75.00% | 2 | 66.67% |
| david mckay | david mckay | 22 | 25.00% | 1 | 33.33% |
| Total | 88 | 100.00% | 3 | 100.00% |
static int ip1001_config_init(struct phy_device *phydev)
{
int c;
c = ip1xx_reset(phydev);
if (c < 0)
return c;
/* Enable Auto Power Saving mode */
c = phy_read(phydev, IP1001_SPEC_CTRL_STATUS_2);
if (c < 0)
return c;
c |= IP1001_APS_ON;
c = phy_write(phydev, IP1001_SPEC_CTRL_STATUS_2, c);
if (c < 0)
return c;
if (phy_interface_is_rgmii(phydev)) {
c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
if (c < 0)
return c;
c &= ~(IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
c |= (IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);
else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
c |= IP1001_RXPHASE_SEL;
else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
c |= IP1001_TXPHASE_SEL;
c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
if (c < 0)
return c;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuseppe cavallaro | giuseppe cavallaro | 83 | 47.70% | 4 | 57.14% |
| stuart menefy | stuart menefy | 49 | 28.16% | 1 | 14.29% |
| david mckay | david mckay | 39 | 22.41% | 1 | 14.29% |
| florian fainelli | florian fainelli | 3 | 1.72% | 1 | 14.29% |
| Total | 174 | 100.00% | 7 | 100.00% |
static int ip101a_g_config_init(struct phy_device *phydev)
{
int c;
c = ip1xx_reset(phydev);
if (c < 0)
return c;
/* INTR pin used: speed/link/duplex will cause an interrupt */
c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT);
if (c < 0)
return c;
/* Enable Auto Power Saving mode */
c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
c |= IP101A_G_APS_ON;
return phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuseppe cavallaro | giuseppe cavallaro | 68 | 90.67% | 3 | 75.00% |
| srinivas kandagatla | srinivas kandagatla | 7 | 9.33% | 1 | 25.00% |
| Total | 75 | 100.00% | 4 | 100.00% |
static int ip175c_read_status(struct phy_device *phydev)
{
if (phydev->mdio.addr == 4) /* WAN port */
genphy_read_status(phydev);
else
/* Don't need to read status for switch ports */
phydev->irq = PHY_IGNORE_INTERRUPT;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael barkowski | michael barkowski | 36 | 94.74% | 1 | 50.00% |
| andrew lunn | andrew lunn | 2 | 5.26% | 1 | 50.00% |
| Total | 38 | 100.00% | 2 | 100.00% |
static int ip175c_config_aneg(struct phy_device *phydev)
{
if (phydev->mdio.addr == 4) /* WAN port */
genphy_config_aneg(phydev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael barkowski | michael barkowski | 28 | 93.33% | 1 | 50.00% |
| andrew lunn | andrew lunn | 2 | 6.67% | 1 | 50.00% |
| Total | 30 | 100.00% | 2 | 100.00% |
static int ip101a_g_ack_interrupt(struct phy_device *phydev)
{
int err = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);
if (err < 0)
return err;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuseppe cavallaro | giuseppe cavallaro | 33 | 100.00% | 1 | 100.00% |
| Total | 33 | 100.00% | 1 | 100.00% |
static struct phy_driver icplus_driver[] = {
{
.phy_id = 0x02430d80,
.name = "ICPlus IP175C",
.phy_id_mask = 0x0ffffff0,
.features = PHY_BASIC_FEATURES,
.config_init = &ip175c_config_init,
.config_aneg = &ip175c_config_aneg,
.read_status = &ip175c_read_status,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0x02430d90,
.name = "ICPlus IP1001",
.phy_id_mask = 0x0ffffff0,
.features = PHY_GBIT_FEATURES | SUPPORTED_Pause |
SUPPORTED_Asym_Pause,
.config_init = &ip1001_config_init,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0x02430c54,
.name = "ICPlus IP101A/G",
.phy_id_mask = 0x0ffffff0,
.features = PHY_BASIC_FEATURES | SUPPORTED_Pause |
SUPPORTED_Asym_Pause,
.flags = PHY_HAS_INTERRUPT,
.ack_interrupt = ip101a_g_ack_interrupt,
.config_init = &ip101a_g_config_init,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.suspend = genphy_suspend,
.resume = genphy_resume,
} };
module_phy_driver(icplus_driver);
static struct mdio_device_id __maybe_unused icplus_tbl[] = {
{ 0x02430d80, 0x0ffffff0 },
{ 0x02430d90, 0x0ffffff0 },
{ 0x02430c54, 0x0ffffff0 },
{ }
};
MODULE_DEVICE_TABLE(mdio, icplus_tbl);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuseppe cavallaro | giuseppe cavallaro | 422 | 41.01% | 8 | 42.11% |
| michael barkowski | michael barkowski | 420 | 40.82% | 1 | 5.26% |
| david mckay | david mckay | 61 | 5.93% | 1 | 5.26% |
| stuart menefy | stuart menefy | 60 | 5.83% | 1 | 5.26% |
| david woodhouse | david woodhouse | 23 | 2.24% | 1 | 5.26% |
| andrew lunn | andrew lunn | 18 | 1.75% | 1 | 5.26% |
| srinivas kandagatla | srinivas kandagatla | 7 | 0.68% | 1 | 5.26% |
| david daney | david daney | 6 | 0.58% | 1 | 5.26% |
| christian hohnstaedt | christian hohnstaedt | 6 | 0.58% | 1 | 5.26% |
| florian fainelli | florian fainelli | 3 | 0.29% | 1 | 5.26% |
| johan hovold | johan hovold | 2 | 0.19% | 1 | 5.26% |
| uwe kleine-koenig | uwe kleine-koenig | 1 | 0.10% | 1 | 5.26% |
| Total | 1029 | 100.00% | 19 | 100.00% |
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