@@ -2,7 +2,7 @@
# Makefile for the Freescale network device drivers.
#
-obj-$(CONFIG_FEC) += fec.o fec_ptp.o
+obj-$(CONFIG_FEC) += fec.o
obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx.o
ifeq ($(CONFIG_FEC_MPC52xx_MDIO),y)
obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx_phy.o
@@ -1586,6 +1586,321 @@ static const struct net_device_ops fec_netdev_ops = {
#endif
};
+/**
+ * fec_ptp_read - read raw cycle counter (to be used by time counter)
+ * @cc: the cyclecounter structure
+ *
+ * this function reads the cyclecounter registers and is called by the
+ * cyclecounter structure used to construct a ns counter from the
+ * arbitrary fixed point registers
+ */
+static cycle_t fec_ptp_read(const struct cyclecounter *cc)
+{
+ struct fec_enet_private *fep =
+ container_of(cc, struct fec_enet_private, cc);
+ u32 tempval;
+
+ tempval = readl(fep->hwp + FEC_ATIME_CTRL);
+ tempval |= FEC_T_CTRL_CAPTURE;
+ writel(tempval, fep->hwp + FEC_ATIME_CTRL);
+
+ return readl(fep->hwp + FEC_ATIME);
+}
+
+/**
+ * fec_ptp_start_cyclecounter - create the cycle counter from hw
+ * @ndev: network device
+ *
+ * this function initializes the timecounter and cyclecounter
+ * structures for use in generated a ns counter from the arbitrary
+ * fixed point cycles registers in the hardware.
+ */
+void fec_ptp_start_cyclecounter(struct net_device *ndev)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+ unsigned long flags;
+ int inc;
+
+ inc = 1000000000 / fep->cycle_speed;
+
+ /* grab the ptp lock */
+ spin_lock_irqsave(&fep->tmreg_lock, flags);
+
+ /* 1ns counter */
+ writel(inc << FEC_T_INC_OFFSET, fep->hwp + FEC_ATIME_INC);
+
+ /* use free running count */
+ writel(0, fep->hwp + FEC_ATIME_EVT_PERIOD);
+
+ writel(FEC_T_CTRL_ENABLE, fep->hwp + FEC_ATIME_CTRL);
+
+ memset(&fep->cc, 0, sizeof(fep->cc));
+ fep->cc.read = fec_ptp_read;
+ fep->cc.mask = CLOCKSOURCE_MASK(32);
+ fep->cc.shift = 31;
+ fep->cc.mult = FEC_CC_MULT;
+
+ /* reset the ns time counter */
+ timecounter_init(&fep->tc, &fep->cc, ktime_to_ns(ktime_get_real()));
+
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+}
+
+/**
+ * fec_ptp_adjfreq - adjust ptp cycle frequency
+ * @ptp: the ptp clock structure
+ * @ppb: parts per billion adjustment from base
+ *
+ * Adjust the frequency of the ptp cycle counter by the
+ * indicated ppb from the base frequency.
+ *
+ * Because ENET hardware frequency adjust is complex,
+ * using software method to do that.
+ */
+static int fec_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
+{
+ u64 diff;
+ unsigned long flags;
+ int neg_adj = 0;
+ u32 mult = FEC_CC_MULT;
+
+ struct fec_enet_private *fep =
+ container_of(ptp, struct fec_enet_private, ptp_caps);
+
+ if (ppb < 0) {
+ ppb = -ppb;
+ neg_adj = 1;
+ }
+
+ diff = mult;
+ diff *= ppb;
+ diff = div_u64(diff, 1000000000ULL);
+
+ spin_lock_irqsave(&fep->tmreg_lock, flags);
+ /*
+ * dummy read to set cycle_last in tc to now.
+ * So use adjusted mult to calculate when next call
+ * timercounter_read.
+ */
+ timecounter_read(&fep->tc);
+
+ fep->cc.mult = neg_adj ? mult - diff : mult + diff;
+
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+
+ return 0;
+}
+
+/**
+ * fec_ptp_adjtime
+ * @ptp: the ptp clock structure
+ * @delta: offset to adjust the cycle counter by
+ *
+ * adjust the timer by resetting the timecounter structure.
+ */
+static int fec_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
+{
+ struct fec_enet_private *fep =
+ container_of(ptp, struct fec_enet_private, ptp_caps);
+ unsigned long flags;
+ u64 now;
+
+ spin_lock_irqsave(&fep->tmreg_lock, flags);
+
+ now = timecounter_read(&fep->tc);
+ now += delta;
+
+ /* reset the timecounter */
+ timecounter_init(&fep->tc, &fep->cc, now);
+
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+
+ return 0;
+}
+
+/**
+ * fec_ptp_gettime
+ * @ptp: the ptp clock structure
+ * @ts: timespec structure to hold the current time value
+ *
+ * read the timecounter and return the correct value on ns,
+ * after converting it into a struct timespec.
+ */
+static int fec_ptp_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
+{
+ struct fec_enet_private *adapter =
+ container_of(ptp, struct fec_enet_private, ptp_caps);
+ u64 ns;
+ u32 remainder;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->tmreg_lock, flags);
+ ns = timecounter_read(&adapter->tc);
+ spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
+
+ ts->tv_sec = div_u64_rem(ns, 1000000000ULL, &remainder);
+ ts->tv_nsec = remainder;
+
+ return 0;
+}
+
+/**
+ * fec_ptp_settime
+ * @ptp: the ptp clock structure
+ * @ts: the timespec containing the new time for the cycle counter
+ *
+ * reset the timecounter to use a new base value instead of the kernel
+ * wall timer value.
+ */
+static int fec_ptp_settime(struct ptp_clock_info *ptp,
+ const struct timespec *ts)
+{
+ struct fec_enet_private *fep =
+ container_of(ptp, struct fec_enet_private, ptp_caps);
+
+ u64 ns;
+ unsigned long flags;
+
+ ns = ts->tv_sec * 1000000000ULL;
+ ns += ts->tv_nsec;
+
+ spin_lock_irqsave(&fep->tmreg_lock, flags);
+ timecounter_init(&fep->tc, &fep->cc, ns);
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+ return 0;
+}
+
+/**
+ * fec_ptp_enable
+ * @ptp: the ptp clock structure
+ * @rq: the requested feature to change
+ * @on: whether to enable or disable the feature
+ *
+ */
+static int fec_ptp_enable(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq, int on)
+{
+ return -EOPNOTSUPP;
+}
+
+/**
+ * fec_ptp_hwtstamp_ioctl - control hardware time stamping
+ * @ndev: pointer to net_device
+ * @ifreq: ioctl data
+ * @cmd: particular ioctl requested
+ */
+int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+
+ struct hwtstamp_config config;
+
+ if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
+ return -EFAULT;
+
+ /* reserved for future extensions */
+ if (config.flags)
+ return -EINVAL;
+
+ switch (config.tx_type) {
+ case HWTSTAMP_TX_OFF:
+ fep->hwts_tx_en = 0;
+ break;
+ case HWTSTAMP_TX_ON:
+ fep->hwts_tx_en = 1;
+ break;
+ default:
+ return -ERANGE;
+ }
+
+ switch (config.rx_filter) {
+ case HWTSTAMP_FILTER_NONE:
+ if (fep->hwts_rx_en)
+ fep->hwts_rx_en = 0;
+ config.rx_filter = HWTSTAMP_FILTER_NONE;
+ break;
+
+ default:
+ /*
+ * register RXMTRL must be set in order to do V1 packets,
+ * therefore it is not possible to time stamp both V1 Sync and
+ * Delay_Req messages and hardware does not support
+ * timestamping all packets => return error
+ */
+ fep->hwts_rx_en = 1;
+ config.rx_filter = HWTSTAMP_FILTER_ALL;
+ break;
+ }
+
+ return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
+ -EFAULT : 0;
+}
+
+/**
+ * fec_time_keep - call timecounter_read every second to avoid timer overrun
+ * because ENET just support 32bit counter, will timeout in 4s
+ */
+static void fec_time_keep(unsigned long _data)
+{
+ struct fec_enet_private *fep = (struct fec_enet_private *)_data;
+ u64 ns;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fep->tmreg_lock, flags);
+ ns = timecounter_read(&fep->tc);
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+
+ mod_timer(&fep->time_keep, jiffies + HZ);
+}
+
+/**
+ * fec_ptp_init
+ * @ndev: The FEC network adapter
+ *
+ * This function performs the required steps for enabling ptp
+ * support. If ptp support has already been loaded it simply calls the
+ * cyclecounter init routine and exits.
+ */
+
+void fec_ptp_init(struct net_device *ndev, struct platform_device *pdev)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+
+ fep->ptp_caps.owner = THIS_MODULE;
+ snprintf(fep->ptp_caps.name, 16, "fec ptp");
+
+ fep->ptp_caps.max_adj = 250000000;
+ fep->ptp_caps.n_alarm = 0;
+ fep->ptp_caps.n_ext_ts = 0;
+ fep->ptp_caps.n_per_out = 0;
+ fep->ptp_caps.pps = 0;
+ fep->ptp_caps.adjfreq = fec_ptp_adjfreq;
+ fep->ptp_caps.adjtime = fec_ptp_adjtime;
+ fep->ptp_caps.gettime = fec_ptp_gettime;
+ fep->ptp_caps.settime = fec_ptp_settime;
+ fep->ptp_caps.enable = fec_ptp_enable;
+
+ fep->cycle_speed = clk_get_rate(fep->clk_ptp);
+
+ spin_lock_init(&fep->tmreg_lock);
+
+ fec_ptp_start_cyclecounter(ndev);
+
+ init_timer(&fep->time_keep);
+ fep->time_keep.data = (unsigned long)fep;
+ fep->time_keep.function = fec_time_keep;
+ fep->time_keep.expires = jiffies + HZ;
+ add_timer(&fep->time_keep);
+
+ fep->ptp_clock = ptp_clock_register(&fep->ptp_caps, &pdev->dev);
+ if (IS_ERR(fep->ptp_clock)) {
+ fep->ptp_clock = NULL;
+ pr_err("ptp_clock_register failed\n");
+ } else {
+ pr_info("registered PHC device on %s\n", ndev->name);
+ }
+}
+
/*
* XXX: We need to clean up on failure exits here.
*
@@ -191,6 +191,29 @@ struct bufdesc_ex {
#define BD_ENET_RX_INT 0x00800000
#define BD_ENET_RX_PTP ((ushort)0x0400)
+/* FEC 1588 register bits */
+#define FEC_T_CTRL_SLAVE 0x00002000
+#define FEC_T_CTRL_CAPTURE 0x00000800
+#define FEC_T_CTRL_RESTART 0x00000200
+#define FEC_T_CTRL_PERIOD_RST 0x00000030
+#define FEC_T_CTRL_PERIOD_EN 0x00000010
+#define FEC_T_CTRL_ENABLE 0x00000001
+
+#define FEC_T_INC_MASK 0x0000007f
+#define FEC_T_INC_OFFSET 0
+#define FEC_T_INC_CORR_MASK 0x00007f00
+#define FEC_T_INC_CORR_OFFSET 8
+
+#define FEC_ATIME_CTRL 0x400
+#define FEC_ATIME 0x404
+#define FEC_ATIME_EVT_OFFSET 0x408
+#define FEC_ATIME_EVT_PERIOD 0x40c
+#define FEC_ATIME_CORR 0x410
+#define FEC_ATIME_INC 0x414
+#define FEC_TS_TIMESTAMP 0x418
+
+#define FEC_CC_MULT (1 << 31)
+
/* The FEC buffer descriptors track the ring buffers. The rx_bd_base and
* tx_bd_base always point to the base of the buffer descriptors. The
* cur_rx and cur_tx point to the currently available buffer.
deleted file mode 100644
@@ -1,388 +0,0 @@
-/*
- * Fast Ethernet Controller (ENET) PTP driver for MX6x.
- *
- * Copyright (C) 2012 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/ptrace.h>
-#include <linux/errno.h>
-#include <linux/ioport.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/pci.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/workqueue.h>
-#include <linux/bitops.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/clk.h>
-#include <linux/platform_device.h>
-#include <linux/phy.h>
-#include <linux/fec.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
-#include <linux/of_net.h>
-
-#include "fec.h"
-
-/* FEC 1588 register bits */
-#define FEC_T_CTRL_SLAVE 0x00002000
-#define FEC_T_CTRL_CAPTURE 0x00000800
-#define FEC_T_CTRL_RESTART 0x00000200
-#define FEC_T_CTRL_PERIOD_RST 0x00000030
-#define FEC_T_CTRL_PERIOD_EN 0x00000010
-#define FEC_T_CTRL_ENABLE 0x00000001
-
-#define FEC_T_INC_MASK 0x0000007f
-#define FEC_T_INC_OFFSET 0
-#define FEC_T_INC_CORR_MASK 0x00007f00
-#define FEC_T_INC_CORR_OFFSET 8
-
-#define FEC_ATIME_CTRL 0x400
-#define FEC_ATIME 0x404
-#define FEC_ATIME_EVT_OFFSET 0x408
-#define FEC_ATIME_EVT_PERIOD 0x40c
-#define FEC_ATIME_CORR 0x410
-#define FEC_ATIME_INC 0x414
-#define FEC_TS_TIMESTAMP 0x418
-
-#define FEC_CC_MULT (1 << 31)
-/**
- * fec_ptp_read - read raw cycle counter (to be used by time counter)
- * @cc: the cyclecounter structure
- *
- * this function reads the cyclecounter registers and is called by the
- * cyclecounter structure used to construct a ns counter from the
- * arbitrary fixed point registers
- */
-static cycle_t fec_ptp_read(const struct cyclecounter *cc)
-{
- struct fec_enet_private *fep =
- container_of(cc, struct fec_enet_private, cc);
- u32 tempval;
-
- tempval = readl(fep->hwp + FEC_ATIME_CTRL);
- tempval |= FEC_T_CTRL_CAPTURE;
- writel(tempval, fep->hwp + FEC_ATIME_CTRL);
-
- return readl(fep->hwp + FEC_ATIME);
-}
-
-/**
- * fec_ptp_start_cyclecounter - create the cycle counter from hw
- * @ndev: network device
- *
- * this function initializes the timecounter and cyclecounter
- * structures for use in generated a ns counter from the arbitrary
- * fixed point cycles registers in the hardware.
- */
-void fec_ptp_start_cyclecounter(struct net_device *ndev)
-{
- struct fec_enet_private *fep = netdev_priv(ndev);
- unsigned long flags;
- int inc;
-
- inc = 1000000000 / fep->cycle_speed;
-
- /* grab the ptp lock */
- spin_lock_irqsave(&fep->tmreg_lock, flags);
-
- /* 1ns counter */
- writel(inc << FEC_T_INC_OFFSET, fep->hwp + FEC_ATIME_INC);
-
- /* use free running count */
- writel(0, fep->hwp + FEC_ATIME_EVT_PERIOD);
-
- writel(FEC_T_CTRL_ENABLE, fep->hwp + FEC_ATIME_CTRL);
-
- memset(&fep->cc, 0, sizeof(fep->cc));
- fep->cc.read = fec_ptp_read;
- fep->cc.mask = CLOCKSOURCE_MASK(32);
- fep->cc.shift = 31;
- fep->cc.mult = FEC_CC_MULT;
-
- /* reset the ns time counter */
- timecounter_init(&fep->tc, &fep->cc, ktime_to_ns(ktime_get_real()));
-
- spin_unlock_irqrestore(&fep->tmreg_lock, flags);
-}
-EXPORT_SYMBOL(fec_ptp_start_cyclecounter);
-
-/**
- * fec_ptp_adjfreq - adjust ptp cycle frequency
- * @ptp: the ptp clock structure
- * @ppb: parts per billion adjustment from base
- *
- * Adjust the frequency of the ptp cycle counter by the
- * indicated ppb from the base frequency.
- *
- * Because ENET hardware frequency adjust is complex,
- * using software method to do that.
- */
-static int fec_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
-{
- u64 diff;
- unsigned long flags;
- int neg_adj = 0;
- u32 mult = FEC_CC_MULT;
-
- struct fec_enet_private *fep =
- container_of(ptp, struct fec_enet_private, ptp_caps);
-
- if (ppb < 0) {
- ppb = -ppb;
- neg_adj = 1;
- }
-
- diff = mult;
- diff *= ppb;
- diff = div_u64(diff, 1000000000ULL);
-
- spin_lock_irqsave(&fep->tmreg_lock, flags);
- /*
- * dummy read to set cycle_last in tc to now.
- * So use adjusted mult to calculate when next call
- * timercounter_read.
- */
- timecounter_read(&fep->tc);
-
- fep->cc.mult = neg_adj ? mult - diff : mult + diff;
-
- spin_unlock_irqrestore(&fep->tmreg_lock, flags);
-
- return 0;
-}
-
-/**
- * fec_ptp_adjtime
- * @ptp: the ptp clock structure
- * @delta: offset to adjust the cycle counter by
- *
- * adjust the timer by resetting the timecounter structure.
- */
-static int fec_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
-{
- struct fec_enet_private *fep =
- container_of(ptp, struct fec_enet_private, ptp_caps);
- unsigned long flags;
- u64 now;
-
- spin_lock_irqsave(&fep->tmreg_lock, flags);
-
- now = timecounter_read(&fep->tc);
- now += delta;
-
- /* reset the timecounter */
- timecounter_init(&fep->tc, &fep->cc, now);
-
- spin_unlock_irqrestore(&fep->tmreg_lock, flags);
-
- return 0;
-}
-
-/**
- * fec_ptp_gettime
- * @ptp: the ptp clock structure
- * @ts: timespec structure to hold the current time value
- *
- * read the timecounter and return the correct value on ns,
- * after converting it into a struct timespec.
- */
-static int fec_ptp_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
-{
- struct fec_enet_private *adapter =
- container_of(ptp, struct fec_enet_private, ptp_caps);
- u64 ns;
- u32 remainder;
- unsigned long flags;
-
- spin_lock_irqsave(&adapter->tmreg_lock, flags);
- ns = timecounter_read(&adapter->tc);
- spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
-
- ts->tv_sec = div_u64_rem(ns, 1000000000ULL, &remainder);
- ts->tv_nsec = remainder;
-
- return 0;
-}
-
-/**
- * fec_ptp_settime
- * @ptp: the ptp clock structure
- * @ts: the timespec containing the new time for the cycle counter
- *
- * reset the timecounter to use a new base value instead of the kernel
- * wall timer value.
- */
-static int fec_ptp_settime(struct ptp_clock_info *ptp,
- const struct timespec *ts)
-{
- struct fec_enet_private *fep =
- container_of(ptp, struct fec_enet_private, ptp_caps);
-
- u64 ns;
- unsigned long flags;
-
- ns = ts->tv_sec * 1000000000ULL;
- ns += ts->tv_nsec;
-
- spin_lock_irqsave(&fep->tmreg_lock, flags);
- timecounter_init(&fep->tc, &fep->cc, ns);
- spin_unlock_irqrestore(&fep->tmreg_lock, flags);
- return 0;
-}
-
-/**
- * fec_ptp_enable
- * @ptp: the ptp clock structure
- * @rq: the requested feature to change
- * @on: whether to enable or disable the feature
- *
- */
-static int fec_ptp_enable(struct ptp_clock_info *ptp,
- struct ptp_clock_request *rq, int on)
-{
- return -EOPNOTSUPP;
-}
-
-/**
- * fec_ptp_hwtstamp_ioctl - control hardware time stamping
- * @ndev: pointer to net_device
- * @ifreq: ioctl data
- * @cmd: particular ioctl requested
- */
-int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
-{
- struct fec_enet_private *fep = netdev_priv(ndev);
-
- struct hwtstamp_config config;
-
- if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
- return -EFAULT;
-
- /* reserved for future extensions */
- if (config.flags)
- return -EINVAL;
-
- switch (config.tx_type) {
- case HWTSTAMP_TX_OFF:
- fep->hwts_tx_en = 0;
- break;
- case HWTSTAMP_TX_ON:
- fep->hwts_tx_en = 1;
- break;
- default:
- return -ERANGE;
- }
-
- switch (config.rx_filter) {
- case HWTSTAMP_FILTER_NONE:
- if (fep->hwts_rx_en)
- fep->hwts_rx_en = 0;
- config.rx_filter = HWTSTAMP_FILTER_NONE;
- break;
-
- default:
- /*
- * register RXMTRL must be set in order to do V1 packets,
- * therefore it is not possible to time stamp both V1 Sync and
- * Delay_Req messages and hardware does not support
- * timestamping all packets => return error
- */
- fep->hwts_rx_en = 1;
- config.rx_filter = HWTSTAMP_FILTER_ALL;
- break;
- }
-
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
- -EFAULT : 0;
-}
-EXPORT_SYMBOL(fec_ptp_ioctl);
-
-/**
- * fec_time_keep - call timecounter_read every second to avoid timer overrun
- * because ENET just support 32bit counter, will timeout in 4s
- */
-static void fec_time_keep(unsigned long _data)
-{
- struct fec_enet_private *fep = (struct fec_enet_private *)_data;
- u64 ns;
- unsigned long flags;
-
- spin_lock_irqsave(&fep->tmreg_lock, flags);
- ns = timecounter_read(&fep->tc);
- spin_unlock_irqrestore(&fep->tmreg_lock, flags);
-
- mod_timer(&fep->time_keep, jiffies + HZ);
-}
-
-/**
- * fec_ptp_init
- * @ndev: The FEC network adapter
- *
- * This function performs the required steps for enabling ptp
- * support. If ptp support has already been loaded it simply calls the
- * cyclecounter init routine and exits.
- */
-
-void fec_ptp_init(struct net_device *ndev, struct platform_device *pdev)
-{
- struct fec_enet_private *fep = netdev_priv(ndev);
-
- fep->ptp_caps.owner = THIS_MODULE;
- snprintf(fep->ptp_caps.name, 16, "fec ptp");
-
- fep->ptp_caps.max_adj = 250000000;
- fep->ptp_caps.n_alarm = 0;
- fep->ptp_caps.n_ext_ts = 0;
- fep->ptp_caps.n_per_out = 0;
- fep->ptp_caps.pps = 0;
- fep->ptp_caps.adjfreq = fec_ptp_adjfreq;
- fep->ptp_caps.adjtime = fec_ptp_adjtime;
- fep->ptp_caps.gettime = fec_ptp_gettime;
- fep->ptp_caps.settime = fec_ptp_settime;
- fep->ptp_caps.enable = fec_ptp_enable;
-
- fep->cycle_speed = clk_get_rate(fep->clk_ptp);
-
- spin_lock_init(&fep->tmreg_lock);
-
- fec_ptp_start_cyclecounter(ndev);
-
- init_timer(&fep->time_keep);
- fep->time_keep.data = (unsigned long)fep;
- fep->time_keep.function = fec_time_keep;
- fep->time_keep.expires = jiffies + HZ;
- add_timer(&fep->time_keep);
-
- fep->ptp_clock = ptp_clock_register(&fep->ptp_caps, &pdev->dev);
- if (IS_ERR(fep->ptp_clock)) {
- fep->ptp_clock = NULL;
- pr_err("ptp_clock_register failed\n");
- } else {
- pr_info("registered PHC device on %s\n", ndev->name);
- }
-}
-EXPORT_SYMBOL(fec_ptp_init);