This patch adds a driver for the DP83640. This device is one of a new
generation of PHYs able to time stamp PTP packets.
Signed-off-by: Richard Cochran <richard.coch...@omicron.at>
---
drivers/net/phy/Kconfig | 5 +
drivers/net/phy/Makefile | 1 +
drivers/net/phy/dp83640.c | 439 +++++++++++++++++++++++++++++++++++++++++
drivers/net/phy/dp83640_reg.h | 237 ++++++++++++++++++++++
4 files changed, 682 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/phy/dp83640.c
create mode 100644 drivers/net/phy/dp83640_reg.h
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index a527e37..430cab1 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -77,6 +77,11 @@ config NATIONAL_PHY
---help---
Currently supports the DP83865 PHY.
+config DP83640_PHY
+ tristate "Driver for the National Semiconductor DP83640 PHYTER"
+ ---help---
+ Supports the DP83640 PHYTER with IEEE 1588 features.
+
config STE10XP
depends on PHYLIB
tristate "Driver for STMicroelectronics STe10Xp PHYs"
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 13bebab..2333215 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_FIXED_PHY) += fixed.o
obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o
obj-$(CONFIG_NATIONAL_PHY) += national.o
+obj-$(CONFIG_DP83640_PHY) += dp83640.o
obj-$(CONFIG_STE10XP) += ste10Xp.o
obj-$(CONFIG_MICREL_PHY) += micrel.o
obj-$(CONFIG_MDIO_OCTEON) += mdio-octeon.o
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
new file mode 100644
index 0000000..a3217ea
--- /dev/null
+++ b/drivers/net/phy/dp83640.c
@@ -0,0 +1,439 @@
+/*
+ * Driver for the National Semiconductor DP83640 PHYTER
+ *
+ * Copyright (C) 2010 OMICRON electronics GmbH
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/ethtool.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/mii.h>
+#include <linux/module.h>
+#include <linux/net_tstamp.h>
+#include <linux/netdevice.h>
+#include <linux/phy.h>
+#include <linux/ptp_classify.h>
+
+#include "dp83640_reg.h"
+
+#define DP83640_PHY_ID 0x20005ce1
+#define PAGESEL 0x13
+#define LAYER4 0x02
+#define LAYER2 0x01
+#define MAX_RXTS 8
+
+struct rxts {
+ struct list_head list;
+ u64 ns;
+ unsigned long tmo;
+ u16 seqid;
+ u8 msgtype;
+ u16 hash;
+};
+
+struct dp83640_private {
+ int hwts_tx_en;
+ int hwts_rx_en;
+ int layer;
+ int version;
+ /* protects extended registers from concurrent access */
+ spinlock_t extreg_lock;
+ int page;
+ /* list of rx timestamps */
+ struct list_head rxts;
+ struct list_head pool;
+ struct rxts pool_data[MAX_RXTS];
+};
+
+/* globals */
+
+static struct sock_filter ptp_filter[] = {
+ PTP_FILTER
+};
+
+/* extended register access functions */
+
+static int ext_read(struct phy_device *phydev, int page, u32 regnum)
+{
+ struct dp83640_private *dp83640 = phydev->priv;
+ int val;
+
+ spin_lock(&dp83640->extreg_lock);
+
+ if (dp83640->page != page) {
+ phy_write(phydev, PAGESEL, page);
+ dp83640->page = page;
+ }
+ val = phy_read(phydev, regnum);
+
+ spin_unlock(&dp83640->extreg_lock);
+
+ return val;
+}
+
+static void ext_write(struct phy_device *phydev, int page, u32 regnum, u16 val)
+{
+ struct dp83640_private *dp83640 = phydev->priv;
+
+ spin_lock(&dp83640->extreg_lock);
+
+ if (dp83640->page != page) {
+ phy_write(phydev, PAGESEL, page);
+ dp83640->page = page;
+ }
+ phy_write(phydev, regnum, val);
+
+ spin_unlock(&dp83640->extreg_lock);
+}
+
+static int expired(struct rxts *rxts)
+{
+ return time_after(jiffies, rxts->tmo);
+}
+
+static int match(struct sk_buff *skb, unsigned int type, struct rxts *rxts)
+{
+ u16 *seqid;
+ u8 *msgtype, *data = skb->data;
+
+ switch (type) {
+ case PTP_CLASS_V1_IPV4:
+ msgtype = data + 42 + 32;
+ seqid = (u16 *)(data + 42 + 30);
+ break;
+ case PTP_CLASS_V1_IPV6:
+ msgtype = data + 62 + 32;
+ seqid = (u16 *)(data + 62 + 30);
+ break;
+ case PTP_CLASS_V2_IPV4:
+ msgtype = data + 42 + 0;
+ seqid = (u16 *)(data + 42 + 30);
+ break;
+ case PTP_CLASS_V2_IPV6:
+ msgtype = data + 62 + 0;
+ seqid = (u16 *)(data + 62 + 30);
+ break;
+ case PTP_CLASS_V2_L2:
+ msgtype = data + 14 + 0;
+ seqid = (u16 *)(data + 14 + 30);
+ break;
+ case PTP_CLASS_V2_VLAN:
+ msgtype = data + 18 + 0;
+ seqid = (u16 *)(data + 18 + 30);
+ break;
+ default:
+ return 0;
+ }
+
+ return ((*msgtype & 0xf) == rxts->msgtype && *seqid == rxts->seqid);
+}
+
+static int dp83640_probe(struct phy_device *phydev)
+{
+ struct dp83640_private *dp83640;
+ int i;
+
+ if (sk_chk_filter(ptp_filter, ARRAY_SIZE(ptp_filter))) {
+ pr_err("dp83640: bad ptp filter\n");
+ return -EINVAL;
+ }
+
+ dp83640 = kzalloc(sizeof(struct dp83640_private), GFP_KERNEL);
+ if (!dp83640)
+ return -ENOMEM;
+
+ spin_lock_init(&dp83640->extreg_lock);
+
+ INIT_LIST_HEAD(&dp83640->rxts);
+ INIT_LIST_HEAD(&dp83640->pool);
+
+ for (i = 0; i < MAX_RXTS; i++)
+ list_add(&dp83640->pool_data[i].list, &dp83640->pool);
+
+ phydev->priv = dp83640;
+
+ return 0;
+}
+
+static void dp83640_remove(struct phy_device *phydev)
+{
+ struct dp83640_private *dp83640 = phydev->priv;
+ kfree(dp83640);
+}
+
+static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
+{
+ struct dp83640_private *dp83640 = phydev->priv;
+ struct hwtstamp_config cfg;
+ u16 txcfg0, rxcfg0;
+
+ if (phydev->bus->locktype != MDIOBUS_ATOMIC_RW)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
+ return -EFAULT;
+
+ if (cfg.flags) /* reserved for future extensions */
+ return -EINVAL;
+
+ switch (cfg.tx_type) {
+ case HWTSTAMP_TX_OFF:
+ dp83640->hwts_tx_en = 0;
+ break;
+ case HWTSTAMP_TX_ON:
+ dp83640->hwts_tx_en = 1;
+ break;
+ default:
+ return -ERANGE;
+ }
+
+ switch (cfg.rx_filter) {
+ case HWTSTAMP_FILTER_NONE:
+ dp83640->hwts_rx_en = 0;
+ dp83640->layer = 0;
+ dp83640->version = 0;
+ break;
+ case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
+ dp83640->hwts_rx_en = 1;
+ dp83640->layer = LAYER4;
+ dp83640->version = 1;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+ dp83640->hwts_rx_en = 1;
+ dp83640->layer = LAYER4;
+ dp83640->version = 2;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+ dp83640->hwts_rx_en = 1;
+ dp83640->layer = LAYER2;
+ dp83640->version = 2;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+ dp83640->hwts_rx_en = 1;
+ dp83640->layer = LAYER4|LAYER2;
+ dp83640->version = 2;
+ break;
+ default:
+ return -ERANGE;
+ }
+
+ txcfg0 = (dp83640->version & TX_PTP_VER_MASK) << TX_PTP_VER_SHIFT;
+ rxcfg0 = (dp83640->version & TX_PTP_VER_MASK) << TX_PTP_VER_SHIFT;
+
+ if (dp83640->layer & LAYER2) {
+ txcfg0 |= TX_L2_EN;
+ rxcfg0 |= RX_L2_EN;
+ }
+ if (dp83640->layer & LAYER4) {
+ txcfg0 |= TX_IPV6_EN | TX_IPV4_EN;
+ rxcfg0 |= RX_IPV6_EN | RX_IPV4_EN;
+ }
+
+ if (dp83640->hwts_tx_en)
+ txcfg0 |= TX_TS_EN;
+
+ if (dp83640->hwts_rx_en)
+ rxcfg0 |= RX_TS_EN;
+
+ if (dp83640->hwts_tx_en || dp83640->hwts_rx_en)
+ ext_write(phydev, PAGE4, PTP_CTL, PTP_ENABLE);
+
+ ext_write(phydev, PAGE5, PTP_TXCFG0, txcfg0);
+ ext_write(phydev, PAGE5, PTP_RXCFG0, rxcfg0);
+
+ return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
+}
+
+static void read_rxts(struct phy_device *phydev, struct rxts *rxts)
+{
+ u64 ns;
+ int overflow, sec, val;
+ u16 hash, seq;
+ u8 msgtype;
+
+ val = ext_read(phydev, PAGE4, PTP_RXTS); /* ns[15:0] */
+ ns = val;
+
+ val = ext_read(phydev, PAGE4, PTP_RXTS); /* overflow[1:0], ns[29:16] */
+ overflow = val >> 14;
+ ns |= (val & 0x3fff) << 16;
+
+ val = ext_read(phydev, PAGE4, PTP_RXTS); /* sec[15:0] */
+ sec = val;
+
+ val = ext_read(phydev, PAGE4, PTP_RXTS); /* sec[31:16] */
+ sec |= val << 16;
+
+ seq = ext_read(phydev, PAGE4, PTP_RXTS); /* sequenceId[15:0] */
+ val = ext_read(phydev, PAGE4, PTP_RXTS); /* messageType[3:0],
hash[11:0] */
+ msgtype = (val >> 12) & 0xf;
+ hash = val & 0x0fff;
+ ns += ((u64)sec) * 1000000000ULL;
+
+ rxts->ns = ns;
+ rxts->tmo = jiffies + HZ;
+ rxts->seqid = seq;
+ rxts->msgtype = msgtype;
+ rxts->hash = hash;
+}
+
+static int dp83640_rxtstamp(struct phy_device *phydev, struct sk_buff *skb)
+{
+ struct dp83640_private *dp83640 = phydev->priv;
+ struct skb_shared_hwtstamps *shhwtstamps;
+ struct list_head *this, *next;
+ struct rxts *rxts;
+ unsigned int type;
+ int val;
+
+ if (!dp83640->hwts_rx_en)
+ return -1;
+
+ for (;;) {
+ val = ext_read(phydev, PAGE4, PTP_STS);
+ if (!(val & RXTS_RDY))
+ break;
+
+ if (list_empty(&dp83640->pool)) {
+ pr_warning("dp83640: rx timestamp pool is empty\n");
+ break;
+ }
+
+ rxts = list_first_entry(&dp83640->pool, struct rxts, list);
+ list_del_init(&rxts->list);
+ read_rxts(phydev, rxts);
+ list_add_tail(&rxts->list, &dp83640->rxts);
+ }
+
+ type = sk_run_filter(skb, ptp_filter, ARRAY_SIZE(ptp_filter));
+
+ list_for_each_safe(this, next, &dp83640->rxts) {
+
+ rxts = list_entry(this, struct rxts, list);
+
+ /* check sequenceID, messageType, 12 bit hash of offset 20-29 */
+
+ if (match(skb, type, rxts)) {
+ shhwtstamps = skb_hwtstamps(skb);
+ memset(shhwtstamps, 0, sizeof(*shhwtstamps));
+ shhwtstamps->hwtstamp = ns_to_ktime(rxts->ns);
+ list_del_init(&rxts->list);
+ list_add(&rxts->list, &dp83640->pool);
+ return 0;
+ }
+ if (expired(rxts)) {
+ list_del_init(&rxts->list);
+ list_add(&rxts->list, &dp83640->pool);
+ }
+ }
+
+ return -1;
+}
+
+static int dp83640_txtstamp(struct phy_device *phydev, struct sk_buff *skb)
+{
+ struct dp83640_private *dp83640 = phydev->priv;
+ struct skb_shared_hwtstamps shhwtstamps;
+ union skb_shared_tx *shtx;
+ u64 ns;
+ int cnt, overflow, sec, val;
+
+ if (!dp83640->hwts_tx_en)
+ return -1;
+
+ /*
+ * This really stinks, but we have to poll for the Tx time stamp.
+ */
+ for (cnt = 0; cnt < 100; cnt++) {
+ val = ext_read(phydev, PAGE4, PTP_STS);
+ if (val & TXTS_RDY)
+ break;
+ udelay(1);
+ }
+ if (!(val & TXTS_RDY))
+ return -1;
+
+ val = ext_read(phydev, PAGE4, PTP_TXTS); /* ns[15:0] */
+ ns = val;
+
+ val = ext_read(phydev, PAGE4, PTP_TXTS); /* overflow[1:0], ns[29:16] */
+ overflow = val >> 14;
+ ns |= (val & 0x3fff) << 16;
+
+ val = ext_read(phydev, PAGE4, PTP_TXTS); /* sec[15:0] */
+ sec = val;
+
+ val = ext_read(phydev, PAGE4, PTP_TXTS); /* sec[31:16] */
+ sec |= val << 16;
+
+ ns += ((u64)sec) * 1000000000ULL;
+
+ shtx = skb_tx(skb);
+ shtx->in_progress = 1;
+ memset(&shhwtstamps, 0, sizeof(shhwtstamps));
+ shhwtstamps.hwtstamp = ns_to_ktime(ns);
+ skb_tstamp_tx(skb, &shhwtstamps);
+
+ return 0;
+}
+
+static struct phy_driver dp83640_driver = {
+ .phy_id = DP83640_PHY_ID,
+ .phy_id_mask = 0xfffffff0,
+ .name = "NatSemi DP83640",
+ .features = PHY_BASIC_FEATURES,
+ .flags = 0,
+ .probe = dp83640_probe,
+ .remove = dp83640_remove,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .hwtstamp = dp83640_hwtstamp,
+ .rxtstamp = dp83640_rxtstamp,
+ .txtstamp = dp83640_txtstamp,
+ .driver = {.owner = THIS_MODULE,}
+};
+
+static int __init dp83640_init(void)
+{
+ return phy_driver_register(&dp83640_driver);
+}
+
+static void __exit dp83640_exit(void)
+{
+ phy_driver_unregister(&dp83640_driver);
+}
+
+MODULE_DESCRIPTION("National Semiconductor DP83640 PHY driver");
+MODULE_AUTHOR("Richard Cochran <richard.coch...@omicron.at>");
+MODULE_LICENSE("GPL");
+
+module_init(dp83640_init);
+module_exit(dp83640_exit);
+
+static struct mdio_device_id dp83640_tbl[] = {
+ { DP83640_PHY_ID, 0xfffffff0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(mdio, dp83640_tbl);
diff --git a/drivers/net/phy/dp83640_reg.h b/drivers/net/phy/dp83640_reg.h
new file mode 100644
index 0000000..349fdbc
--- /dev/null
+++ b/drivers/net/phy/dp83640_reg.h
@@ -0,0 +1,237 @@
+/* dp83640_reg.h
+ * Generated by regen.tcl on Wed Jun 02 07:11:36 AM CEST 2010
+ */
+#ifndef HAVE_DP83640_REGISTERS
+#define HAVE_DP83640_REGISTERS
+
+#define PAGE4 0x0004
+#define PTP_CTL 0x0014 /* PTP Control Register */
+#define PTP_TDR 0x0015 /* PTP Time Data Register */
+#define PTP_STS 0x0016 /* PTP Status Register */
+#define PTP_TSTS 0x0017 /* PTP Trigger Status Register */
+#define PTP_RATEL 0x0018 /* PTP Rate Low Register */
+#define PTP_RATEH 0x0019 /* PTP Rate High Register */
+#define PTP_RDCKSUM 0x001a /* PTP Read Checksum */
+#define PTP_WRCKSUM 0x001b /* PTP Write Checksum */
+#define PTP_TXTS 0x001c /* PTP Transmit Timestamp Register,
in four 16-bit reads */
+#define PTP_RXTS 0x001d /* PTP Receive Timestamp Register, in
six? 16-bit reads */
+#define PTP_ESTS 0x001e /* PTP Event Status Register */
+#define PTP_EDATA 0x001f /* PTP Event Data Register */
+
+#define PAGE5 0x0005
+#define PTP_TRIG 0x0014 /* PTP Trigger Configuration Register
*/
+#define PTP_EVNT 0x0015 /* PTP Event Configuration Register */
+#define PTP_TXCFG0 0x0016 /* PTP Transmit Configuration
Register 0 */
+#define PTP_TXCFG1 0x0017 /* PTP Transmit Configuration
Register 1 */
+#define PSF_CFG0 0x0018 /* PHY Status Frame Configuration
Register 0 */
+#define PTP_RXCFG0 0x0019 /* PTP Receive Configuration Register
0 */
+#define PTP_RXCFG1 0x001a /* PTP Receive Configuration Register
1 */
+#define PTP_RXCFG2 0x001b /* PTP Receive Configuration Register
2 */
+#define PTP_RXCFG3 0x001c /* PTP Receive Configuration Register
3 */
+#define PTP_RXCFG4 0x001d /* PTP Receive Configuration Register
4 */
+#define PTP_TRDL 0x001e /* PTP Temporary Rate Duration Low
Register */
+#define PTP_TRDH 0x001f /* PTP Temporary Rate Duration High
Register */
+
+#define PAGE6 0x0006
+#define PTP_COC 0x0014 /* PTP Clock Output Control Register
*/
+#define PSF_CFG1 0x0015 /* PHY Status Frame Configuration
Register 1 */
+#define PSF_CFG2 0x0016 /* PHY Status Frame Configuration
Register 2 */
+#define PSF_CFG3 0x0017 /* PHY Status Frame Configuration
Register 3 */
+#define PSF_CFG4 0x0018 /* PHY Status Frame Configuration
Register 4 */
+#define PTP_SFDCFG 0x0019 /* PTP SFD Configuration Register */
+#define PTP_INTCTL 0x001a /* PTP Interrupt Control Register */
+#define PTP_CLKSRC 0x001b /* PTP Clock Source Register */
+#define PTP_ETR 0x001c /* PTP Ethernet Type Register */
+#define PTP_OFF 0x001d /* PTP Offset Register */
+#define PTP_GPIOMON 0x001e /* PTP GPIO Monitor Register */
+#define PTP_RXHASH 0x001f /* PTP Receive Hash Register */
+
+/* Bit definitions for the PTP_CTL register */
+#define TRIG_SEL_SHIFT (10) /* PTP Trigger Select */
+#define TRIG_SEL_MASK (0x7)
+#define TRIG_DIS (1<<9) /* Disable PTP Trigger */
+#define TRIG_EN (1<<8) /* Enable PTP Trigger */
+#define TRIG_READ (1<<7) /* Read PTP Trigger */
+#define TRIG_LOAD (1<<6) /* Load PTP Trigger */
+#define PTP_RD_CLK (1<<5) /* Read PTP Clock */
+#define PTP_LOAD_CLK (1<<4) /* Load PTP Clock */
+#define PTP_STEP_CLK (1<<3) /* Step PTP Clock */
+#define PTP_ENABLE (1<<2) /* Enable PTP Clock */
+#define PTP_DISABLE (1<<1) /* Disable PTP Clock */
+#define PTP_RESET (1<<0) /* Reset PTP Clock */
+
+/* Bit definitions for the PTP_STS register */
+#define TXTS_RDY (1<<11) /* Transmit Timestamp Ready */
+#define RXTS_RDY (1<<10) /* Receive Timestamp Ready */
+#define TRIG_DONE (1<<9) /* PTP Trigger Done */
+#define EVENT_RDY (1<<8) /* PTP Event Timestamp Ready */
+#define TXTS_IE (1<<3) /* Transmit Timestamp Interrupt
Enable */
+#define RXTS_IE (1<<2) /* Receive Timestamp Interrupt Enable
*/
+#define TRIG_IE (1<<1) /* Trigger Interrupt Enable */
+#define EVENT_IE (1<<0) /* Event Interrupt Enable */
+
+/* Bit definitions for the PTP_TSTS register */
+#define TRIG7_ERROR (1<<15) /* Trigger 7 Error */
+#define TRIG7_ACTIVE (1<<14) /* Trigger 7 Active */
+#define TRIG6_ERROR (1<<13) /* Trigger 6 Error */
+#define TRIG6_ACTIVE (1<<12) /* Trigger 6 Active */
+#define TRIG5_ERROR (1<<11) /* Trigger 5 Error */
+#define TRIG5_ACTIVE (1<<10) /* Trigger 5 Active */
+#define TRIG4_ERROR (1<<9) /* Trigger 4 Error */
+#define TRIG4_ACTIVE (1<<8) /* Trigger 4 Active */
+#define TRIG3_ERROR (1<<7) /* Trigger 3 Error */
+#define TRIG3_ACTIVE (1<<6) /* Trigger 3 Active */
+#define TRIG2_ERROR (1<<5) /* Trigger 2 Error */
+#define TRIG2_ACTIVE (1<<4) /* Trigger 2 Active */
+#define TRIG1_ERROR (1<<3) /* Trigger 1 Error */
+#define TRIG1_ACTIVE (1<<2) /* Trigger 1 Active */
+#define TRIG0_ERROR (1<<1) /* Trigger 0 Error */
+#define TRIG0_ACTIVE (1<<0) /* Trigger 0 Active */
+
+/* Bit definitions for the PTP_RATEH register */
+#define PTP_RATE_DIR (1<<15) /* PTP Rate Direction */
+#define PTP_TMP_RATE (1<<14) /* PTP Temporary Rate */
+#define PTP_RATE_HI_SHIFT (0) /* PTP Rate High 10-bits */
+#define PTP_RATE_HI_MASK (0x3ff)
+
+/* Bit definitions for the PTP_ESTS register */
+#define EVNTS_MISSED_SHIFT (8) /* Indicates number of events missed */
+#define EVNTS_MISSED_MASK (0x7)
+#define EVNT_TS_LEN_SHIFT (6) /* Indicates length of the Timestamp
field in 16-bit words minus 1 */
+#define EVNT_TS_LEN_MASK (0x3)
+#define EVNT_RF (1<<5) /* Indicates whether the event is a
rise or falling event */
+#define EVNT_NUM_SHIFT (2) /* Indicates Event Timestamp Unit which
detected an event */
+#define EVNT_NUM_MASK (0x7)
+#define MULT_EVNT (1<<1) /* Indicates multiple events were
detected at the same time */
+#define EVENT_DET (1<<0) /* PTP Event Detected */
+
+/* Bit definitions for the PTP_EDATA register */
+#define E7_RISE (1<<15) /* Indicates direction of Event 7 */
+#define E7_DET (1<<14) /* Indicates Event 7 detected */
+#define E6_RISE (1<<13) /* Indicates direction of Event 6 */
+#define E6_DET (1<<12) /* Indicates Event 6 detected */
+#define E5_RISE (1<<11) /* Indicates direction of Event 5 */
+#define E5_DET (1<<10) /* Indicates Event 5 detected */
+#define E4_RISE (1<<9) /* Indicates direction of Event 4 */
+#define E4_DET (1<<8) /* Indicates Event 4 detected */
+#define E3_RISE (1<<7) /* Indicates direction of Event 3 */
+#define E3_DET (1<<6) /* Indicates Event 3 detected */
+#define E2_RISE (1<<5) /* Indicates direction of Event 2 */
+#define E2_DET (1<<4) /* Indicates Event 2 detected */
+#define E1_RISE (1<<3) /* Indicates direction of Event 1 */
+#define E1_DET (1<<2) /* Indicates Event 1 detected */
+#define E0_RISE (1<<1) /* Indicates direction of Event 0 */
+#define E0_DET (1<<0) /* Indicates Event 0 detected */
+
+/* Bit definitions for the PTP_TRIG register */
+#define TRIG_PULSE (1<<15) /* generate a Pulse rather than a
single edge */
+#define TRIG_PER (1<<14) /* generate a periodic signal */
+#define TRIG_IF_LATE (1<<13) /* trigger immediately if already
past */
+#define TRIG_NOTIFY (1<<12) /* Trigger Notification Enable */
+#define TRIG_GPIO_SHIFT (8) /* Trigger GPIO Connection, value 1-12 */
+#define TRIG_GPIO_MASK (0xf)
+#define TRIG_TOGGLE (1<<7) /* Trigger Toggle Mode Enable */
+#define TRIG_CSEL_SHIFT (1) /* Trigger Configuration Select */
+#define TRIG_CSEL_MASK (0x7)
+#define TRIG_WR (1<<0) /* Trigger Configuration Write */
+
+/* Bit definitions for the PTP_EVNT register */
+#define EVNT_RISE (1<<14) /* Event Rise Detect Enable */
+#define EVNT_FALL (1<<13) /* Event Fall Detect Enable */
+#define EVNT_SINGLE (1<<12) /* enable single event capture
operation */
+#define EVNT_GPIO_SHIFT (8) /* Event GPIO Connection, value 1-12 */
+#define EVNT_GPIO_MASK (0xf)
+#define EVNT_SEL_SHIFT (1) /* Event Select */
+#define EVNT_SEL_MASK (0x7)
+#define EVNT_WR (1<<0) /* Event Configuration Write */
+
+/* Bit definitions for the PTP_TXCFG0 register */
+#define SYNC_1STEP (1<<15) /* insert timestamp into transmit
Sync Messages */
+#define DR_INSERT (1<<13) /* Insert Delay_Req Timestamp in
Delay_Resp (dangerous) */
+#define NTP_TS_EN (1<<12) /* Enable Timestamping of NTP
Packets */
+#define IGNORE_2STEP (1<<11) /* Ignore Two_Step flag for One-Step
operation */
+#define CRC_1STEP (1<<10) /* Disable checking of CRC for
One-Step operation */
+#define CHK_1STEP (1<<9) /* Enable UDP Checksum correction for
One-Step Operation */
+#define IP1588_EN (1<<8) /* Enable IEEE 1588 defined IP
address filter */
+#define TX_L2_EN (1<<7) /* Layer2 Timestamp Enable */
+#define TX_IPV6_EN (1<<6) /* IPv6 Timestamp Enable */
+#define TX_IPV4_EN (1<<5) /* IPv4 Timestamp Enable */
+#define TX_PTP_VER_SHIFT (1) /* Enable Timestamp capture for IEEE
1588 version X */
+#define TX_PTP_VER_MASK (0xf)
+#define TX_TS_EN (1<<0) /* Transmit Timestamp Enable */
+
+/* Bit definitions for the PTP_TXCFG1 register */
+#define BYTE0_MASK_SHIFT (8) /* Bit mask to be used for matching
Byte0 of the PTP Message */
+#define BYTE0_MASK_MASK (0xff)
+#define BYTE0_DATA_SHIFT (0) /* Data to be used for matching Byte0 of
the PTP Message */
+#define BYTE0_DATA_MASK (0xff)
+
+/* Bit definitions for the PTP_RXCFG0 register */
+#define DOMAIN_EN (1<<15) /* Domain Match Enable */
+#define ALT_MAST_DIS (1<<14) /* Alternate Master Timestamp
Disable */
+#define USER_IP_SEL (1<<13) /* Selects portion of IP address
accessible thru PTP_RXCFG2 */
+#define USER_IP_EN (1<<12) /* Enable User-programmed IP address
filter */
+#define RX_SLAVE (1<<11) /* Receive Slave Only */
+#define IP1588_EN_SHIFT (8) /* Enable IEEE 1588 defined IP address
filters */
+#define IP1588_EN_MASK (0xf)
+#define RX_L2_EN (1<<7) /* Layer2 Timestamp Enable */
+#define RX_IPV6_EN (1<<6) /* IPv6 Timestamp Enable */
+#define RX_IPV4_EN (1<<5) /* IPv4 Timestamp Enable */
+#define RX_PTP_VER_SHIFT (1) /* Enable Timestamp capture for IEEE
1588 version X */
+#define RX_PTP_VER_MASK (0xf)
+#define RX_TS_EN (1<<0) /* Receive Timestamp Enable */
+
+/* Bit definitions for the PTP_RXCFG1 register */
+#define BYTE0_MASK_SHIFT (8) /* Bit mask to be used for matching
Byte0 of the PTP Message */
+#define BYTE0_MASK_MASK (0xff)
+#define BYTE0_DATA_SHIFT (0) /* Data to be used for matching Byte0 of
the PTP Message */
+#define BYTE0_DATA_MASK (0xff)
+
+/* Bit definitions for the PTP_RXCFG3 register */
+#define TS_MIN_IFG_SHIFT (12) /* Minimum Inter-frame Gap */
+#define TS_MIN_IFG_MASK (0xf)
+#define ACC_UDP (1<<11) /* Record Timestamp if UDP Checksum
Error */
+#define ACC_CRC (1<<10) /* Record Timestamp if CRC Error */
+#define TS_APPEND (1<<9) /* Append Timestamp for L2 */
+#define TS_INSERT (1<<8) /* Enable Timestamp Insertion */
+#define PTP_DOMAIN_SHIFT (0) /* PTP Message domainNumber field */
+#define PTP_DOMAIN_MASK (0xff)
+
+/* Bit definitions for the PTP_RXCFG4 register */
+#define IPV4_UDP_MOD (1<<15) /* Enable IPV4 UDP Modification */
+#define TS_SEC_EN (1<<14) /* Enable Timestamp Seconds */
+#define TS_SEC_LEN_SHIFT (12) /* Inserted Timestamp Seconds Length */
+#define TS_SEC_LEN_MASK (0x3)
+#define RXTS_NS_OFF_SHIFT (6) /* Receive Timestamp Nanoseconds offset
*/
+#define RXTS_NS_OFF_MASK (0x3f)
+#define RXTS_SEC_OFF_SHIFT (0) /* Receive Timestamp Seconds offset */
+#define RXTS_SEC_OFF_MASK (0x3f)
+
+/* Bit definitions for the PTP_COC register */
+#define PTP_CLKOUT_EN (1<<15) /* PTP Clock Output Enable */
+#define PTP_CLKOUT_SEL (1<<14) /* PTP Clock Output Source Select */
+#define PTP_CLKOUT_SPEEDSEL (1<<13) /* PTP Clock Output I/O Speed Select
*/
+#define PTP_CLKDIV_SHIFT (0) /* PTP Clock Divide-by Value */
+#define PTP_CLKDIV_MASK (0xff)
+
+/* Bit definitions for the PTP_SFDCFG register */
+#define TX_SFD_GPIO_SHIFT (4) /* TX SFD GPIO Select, value 1-12 */
+#define TX_SFD_GPIO_MASK (0xf)
+#define RX_SFD_GPIO_SHIFT (0) /* RX SFD GPIO Select, value 1-12 */
+#define RX_SFD_GPIO_MASK (0xf)
+
+/* Bit definitions for the PTP_INTCTL register */
+#define PTP_INT_GPIO_SHIFT (0) /* PTP Interrupt GPIO Select */
+#define PTP_INT_GPIO_MASK (0xf)
+
+/* Bit definitions for the PTP_CLKSRC register */
+#define CLK_SRC_SHIFT (14) /* PTP Clock Source Select */
+#define CLK_SRC_MASK (0x3)
+#define CLK_SRC_PER_SHIFT (0) /* PTP Clock Source Period */
+#define CLK_SRC_PER_MASK (0x7f)
+
+/* Bit definitions for the PTP_OFF register */
+#define PTP_OFFSET_SHIFT (0) /* PTP Message offset from preceding
header */
+#define PTP_OFFSET_MASK (0xff)
+
+#endif
--
1.6.3.3
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