* [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
@ 2015-04-29 9:29 ` Igal.Liberman
0 siblings, 0 replies; 13+ messages in thread
From: Igal.Liberman @ 2015-04-29 9:29 UTC (permalink / raw)
To: netdev; +Cc: Igal Liberman, linuxppc-dev, linux-kernel, madalin.bucur
From: Igal Liberman <Igal.Liberman@freescale.com>
This patch adds the Ethernet MAC driver support.
Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
---
drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605 +++++++++++++++++++++
drivers/net/ethernet/freescale/fman/mac/mac.c | 527 ++++++++++++++++++
4 files changed, 1259 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h b/drivers/net/ethernet/freescale/fman/inc/mac.h
new file mode 100644
index 0000000..2d27331
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
@@ -0,0 +1,125 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MAC_H
+#define __MAC_H
+
+#include <linux/device.h> /* struct device, BUS_ID_SIZE */
+#include <linux/if_ether.h> /* ETH_ALEN */
+#include <linux/phy.h> /* phy_interface_t, struct phy_device */
+#include <linux/list.h>
+
+#include "fsl_fman_drv.h" /* struct port_device */
+#include "fm_mac_ext.h" /* FM MAC API */
+#include "fm_port_ext.h"
+
+enum {DTSEC, XGMAC, MEMAC};
+
+struct mac_device {
+ struct device *dev;
+ void *priv;
+ u8 cell_index;
+ struct resource *res;
+ void __iomem *vaddr;
+ u8 addr[ETH_ALEN];
+ bool promisc;
+
+ struct fm *fm_dev;
+ struct fm_port *port_dev[2];
+
+ phy_interface_t phy_if;
+ u32 if_support;
+ bool link;
+ u16 speed;
+ u16 max_speed;
+ struct device_node *phy_node;
+ char fixed_bus_id[MII_BUS_ID_SIZE + 3];
+ struct device_node *tbi_node;
+ struct phy_device *phy_dev;
+ void *fm;
+ /* List of multicast addresses */
+ struct list_head mc_addr_list;
+ struct platform_device *eth_dev;
+
+ bool autoneg_pause;
+ bool rx_pause_req;
+ bool tx_pause_req;
+ bool rx_pause_active;
+ bool tx_pause_active;
+
+ struct fm_mac_dev * (*get_mac_handle)(struct mac_device *mac_dev);
+ int (*init_phy)(struct net_device *net_dev, struct mac_device *mac_dev);
+ int (*init)(struct mac_device *mac_dev);
+ int (*start)(struct mac_device *mac_dev);
+ int (*stop)(struct mac_device *mac_dev);
+ int (*set_promisc)(struct fm_mac_dev *fm_mac_dev, bool enable);
+ int (*change_addr)(struct fm_mac_dev *fm_mac_dev,
+ enet_addr_t *p_enet_addr);
+ int (*set_multi)(struct net_device *net_dev,
+ struct mac_device *mac_dev);
+ int (*uninit)(struct fm_mac_dev *fm_mac_dev);
+ int (*set_rx_pause)(struct fm_mac_dev *fm_mac_dev, bool en);
+ int (*set_tx_pause)(struct fm_mac_dev *fm_mac_dev, u8 priority,
+ u16 pause_time, u16 thresh_time);
+};
+
+struct mac_address {
+ u8 addr[ETH_ALEN];
+ struct list_head list;
+};
+
+struct dpaa_eth_data {
+ struct device_node *mac_node;
+ struct mac_device *mac_dev;
+ int mac_hw_id;
+ int fman_hw_id;
+};
+
+#define get_fm_handle(net_dev) \
+ (((struct dpa_priv_s *)netdev_priv(net_dev))->mac_dev->fm_dev)
+
+#define for_each_port_device(i, port_dev) \
+ for (i = 0; i < ARRAY_SIZE(port_dev); i++)
+
+static inline __attribute((nonnull)) void *macdev_priv(
+ const struct mac_device *mac_dev)
+{
+ return (void *)mac_dev + sizeof(*mac_dev);
+}
+
+extern const char *mac_driver_description;
+extern const size_t mac_sizeof_priv[];
+extern void (*const mac_setup[])(struct mac_device *mac_dev);
+
+int set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx);
+void get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause);
+
+#endif /* __MAC_H */
diff --git a/drivers/net/ethernet/freescale/fman/mac/Makefile b/drivers/net/ethernet/freescale/fman/mac/Makefile
index 042a1f7..a422fbf 100644
--- a/drivers/net/ethernet/freescale/fman/mac/Makefile
+++ b/drivers/net/ethernet/freescale/fman/mac/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_FSL_FMAN_MAC) += fsl_fman_mac.o
+obj-y += fsl_fman_mac.o fsl_mac.o
fsl_fman_mac-objs := fman_dtsec.o fman_dtsec_mii_acc.o \
dtsec.o dtsec_mii_acc.o \
@@ -6,3 +6,4 @@ fsl_fman_mac-objs := fman_dtsec.o fman_dtsec_mii_acc.o \
memac.o memac_mii_acc.o \
fman_tgec.o tgec.o \
fman_crc32.o fm_mac.o
+fsl_mac-objs += mac.o mac-api.o
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac-api.c b/drivers/net/ethernet/freescale/fman/mac/mac-api.c
new file mode 100644
index 0000000..159aa15
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/mac/mac-api.c
@@ -0,0 +1,605 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef CONFIG_FSL_DPAA_ETH_DEBUG
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": %s:%hu:%s() " fmt, \
+ KBUILD_BASENAME ".c", __LINE__, __func__
+#else
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": " fmt
+#endif
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+
+#include "mac.h"
+#include "fsl_fman_drv.h"
+#include "fm_mac_ext.h"
+
+#include "../fman/flib/fsl_fman_dtsec.h"
+#include "../fman/flib/fsl_fman_tgec.h"
+#include "../fman/flib/fsl_fman_memac.h"
+
+#define MAC_DESCRIPTION "FSL FMan MAC API based driver"
+
+MODULE_LICENSE("Dual BSD/GPL");
+
+MODULE_AUTHOR("Emil Medve <Emilian.Medve@Freescale.com>");
+
+MODULE_DESCRIPTION(MAC_DESCRIPTION);
+
+struct mac_priv_s {
+ struct fm_mac_dev *fm_mac;
+};
+
+const char *mac_driver_description __initconst = MAC_DESCRIPTION;
+const size_t mac_sizeof_priv[] = {
+ [DTSEC] = sizeof(struct mac_priv_s),
+ [XGMAC] = sizeof(struct mac_priv_s),
+ [MEMAC] = sizeof(struct mac_priv_s)
+};
+
+static const enet_mode_t _100[] = {
+ [PHY_INTERFACE_MODE_MII] = ENET_MODE_MII_100,
+ [PHY_INTERFACE_MODE_RMII] = ENET_MODE_RMII_100
+};
+
+static const enet_mode_t _1000[] = {
+ [PHY_INTERFACE_MODE_GMII] = ENET_MODE_GMII_1000,
+ [PHY_INTERFACE_MODE_SGMII] = ENET_MODE_SGMII_1000,
+ [PHY_INTERFACE_MODE_TBI] = ENET_MODE_TBI_1000,
+ [PHY_INTERFACE_MODE_RGMII] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_ID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_RXID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_TXID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RTBI] = ENET_MODE_RTBI_1000
+};
+
+static enet_mode_t __cold __attribute__((nonnull))
+macdev2enetinterface(const struct mac_device *mac_dev)
+{
+ switch (mac_dev->max_speed) {
+ case SPEED_100:
+ return _100[mac_dev->phy_if];
+ case SPEED_1000:
+ return _1000[mac_dev->phy_if];
+ case SPEED_10000:
+ return ENET_MODE_XGMII_10000;
+ default:
+ return ENET_MODE_MII_100;
+ }
+}
+
+static void mac_exception(void *_mac_dev, enum fm_mac_exceptions ex)
+{
+ struct mac_device *mac_dev;
+
+ mac_dev = (struct mac_device *)_mac_dev;
+
+ if (FM_MAC_EX_10G_RX_FIFO_OVFL == ex) {
+ /* don't flag RX FIFO after the first */
+ fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_10G_RX_FIFO_OVFL, false);
+ dev_err(mac_dev->dev, "10G MAC got RX FIFO Error = %x\n",
+ ex);
+ }
+
+ dev_dbg(mac_dev->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c",
+ __func__, ex);
+}
+
+static int __cold init(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct mac_priv_s *priv;
+ struct fm_mac_params_t param;
+ u32 version;
+
+ priv = macdev_priv(mac_dev);
+
+ param.base_addr = (typeof(param.base_addr))(uintptr_t)devm_ioremap(
+ mac_dev->dev, mac_dev->res->start, 0x2000);
+ param.enet_mode = macdev2enetinterface(mac_dev);
+ memcpy(¶m.addr, mac_dev->addr,
+ min(sizeof(param.addr), sizeof(mac_dev->addr)));
+ param.mac_id = mac_dev->cell_index;
+ param.h_fm = (void *)mac_dev->fm;
+ param.mdio_irq = NO_IRQ;
+ param.f_exception = mac_exception;
+ param.f_event = mac_exception;
+ param.h_app = mac_dev;
+
+ priv->fm_mac = fm_mac_config(¶m);
+ if (unlikely(!priv->fm_mac)) {
+ _errno = -EINVAL;
+ goto _return;
+ }
+
+ _errno = fm_mac_cfg_max_frame_len(priv->fm_mac, fm_get_max_frm());
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) {
+ /* 10G always works with pad and CRC */
+ _errno = fm_mac_cfg_pad_and_crc(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ } else {
+ _errno = fm_mac_cfg_reset_on_init(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ _errno = fm_mac_init(priv->fm_mac);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ /* For 1G MAC, disable by default the MIB counters overflow interrupt */
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) {
+ _errno = fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_1G_RX_MIB_CNT_OVFL,
+ false);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ /* For 10G MAC, disable Tx ECC exception */
+ if (macdev2enetinterface(mac_dev) == ENET_MODE_XGMII_10000) {
+ _errno = fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_10G_1TX_ECC_ER, false);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ _errno = fm_mac_get_version(priv->fm_mac, &version);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ dev_info(mac_dev->dev, "FMan %s version: 0x%08x\n",
+ ((macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) ?
+ "dTSEC" : "XGEC"), version);
+
+ goto _return;
+
+_return_fm_mac_free:
+ fm_mac_free(mac_dev->get_mac_handle(mac_dev));
+
+_return:
+ return _errno;
+}
+
+static int __cold memac_init(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct mac_priv_s *priv;
+ struct fm_mac_params_t param;
+
+ priv = macdev_priv(mac_dev);
+
+ param.base_addr = (typeof(param.base_addr))(uintptr_t)devm_ioremap(
+ mac_dev->dev, mac_dev->res->start, 0x2000);
+ param.enet_mode = macdev2enetinterface(mac_dev);
+ memcpy(¶m.addr, mac_dev->addr, sizeof(mac_dev->addr));
+ param.mac_id = mac_dev->cell_index;
+ param.h_fm = (void *)mac_dev->fm;
+ param.mdio_irq = NO_IRQ;
+ param.f_exception = mac_exception;
+ param.f_event = mac_exception;
+ param.h_app = mac_dev;
+
+ priv->fm_mac = fm_mac_config(¶m);
+ if (unlikely(!priv->fm_mac)) {
+ _errno = -EINVAL;
+ goto _return;
+ }
+
+ _errno = fm_mac_cfg_max_frame_len(priv->fm_mac, fm_get_max_frm());
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ _errno = fm_mac_cfg_reset_on_init(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ _errno = fm_mac_init(priv->fm_mac);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ dev_info(mac_dev->dev, "FMan MEMAC\n");
+
+ goto _return;
+
+_return_fm_mac_free:
+ fm_mac_free(priv->fm_mac);
+
+_return:
+ return _errno;
+}
+
+static int __cold start(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+
+ _errno = fm_mac_enable(mac_dev->get_mac_handle(mac_dev),
+ COMM_MODE_RX_AND_TX);
+
+ if (!_errno && phy_dev) {
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000)
+ phy_start(phy_dev);
+ else if (phy_dev->drv->read_status)
+ phy_dev->drv->read_status(phy_dev);
+ }
+
+ return _errno;
+}
+
+static int __cold stop(struct mac_device *mac_dev)
+{
+ if (mac_dev->phy_dev && (macdev2enetinterface(mac_dev) !=
+ ENET_MODE_XGMII_10000))
+ phy_stop(mac_dev->phy_dev);
+
+ return fm_mac_disable(mac_dev->get_mac_handle(mac_dev),
+ COMM_MODE_RX_AND_TX);
+}
+
+static int __cold set_multi(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct mac_priv_s *mac_priv;
+ struct mac_address *old_addr, *tmp;
+ struct netdev_hw_addr *ha;
+ int _errno;
+ enet_addr_t *addr;
+
+ mac_priv = macdev_priv(mac_dev);
+
+ /* Clear previous address list */
+ list_for_each_entry_safe(old_addr, tmp, &mac_dev->mc_addr_list, list) {
+ addr = (enet_addr_t *)old_addr->addr;
+ _errno = fm_mac_remove_hash_mac_addr(mac_priv->fm_mac, addr);
+ if (_errno < 0)
+ return _errno;
+
+ list_del(&old_addr->list);
+ kfree(old_addr);
+ }
+
+ /* Add all the addresses from the new list */
+ netdev_for_each_mc_addr(ha, net_dev) {
+ addr = (enet_addr_t *)ha->addr;
+ _errno = fm_mac_add_hash_mac_addr(mac_priv->fm_mac, addr);
+ if (_errno < 0)
+ return _errno;
+
+ tmp = kmalloc(sizeof(*tmp), GFP_ATOMIC);
+ if (!tmp)
+ return -ENOMEM;
+
+ ether_addr_copy(tmp->addr, ha->addr);
+ list_add(&tmp->list, &mac_dev->mc_addr_list);
+ }
+ return 0;
+}
+
+/* Avoid redundant calls to FMD, if the MAC driver already contains the desired
+ * active PAUSE settings. Otherwise, the new active settings should be reflected
+ * in FMan.
+ */
+int set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx)
+{
+ struct fm_mac_dev *fm_mac_dev = mac_dev->get_mac_handle(mac_dev);
+ int _errno = 0;
+
+ if (unlikely(rx != mac_dev->rx_pause_active)) {
+ _errno = fm_mac_set_rx_pause_frames(fm_mac_dev, rx);
+ if (likely(_errno == 0))
+ mac_dev->rx_pause_active = rx;
+ }
+
+ if (unlikely(tx != mac_dev->tx_pause_active)) {
+ u16 pause_time = (tx ? FSL_FM_PAUSE_TIME_ENABLE :
+ FSL_FM_PAUSE_TIME_DISABLE);
+
+ _errno = fm_mac_set_tx_pause_frames(fm_mac_dev, 0,
+ pause_time, 0);
+
+ if (likely(_errno == 0))
+ mac_dev->tx_pause_active = tx;
+ }
+
+ return _errno;
+}
+EXPORT_SYMBOL(set_mac_active_pause);
+
+/* Determine the MAC RX/TX PAUSE frames settings based on PHY
+ * autonegotiation or values set by eththool.
+ */
+void get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause)
+{
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+ u16 lcl_adv, rmt_adv;
+ u8 flowctrl;
+
+ *rx_pause = *tx_pause = false;
+
+ if (!phy_dev->duplex)
+ return;
+
+ /* If PAUSE autonegotiation is disabled, the TX/RX PAUSE settings
+ * are those set by ethtool.
+ */
+ if (!mac_dev->autoneg_pause) {
+ *rx_pause = mac_dev->rx_pause_req;
+ *tx_pause = mac_dev->tx_pause_req;
+ return;
+ }
+
+ /* Else if PAUSE autonegotiation is enabled, the TX/RX PAUSE
+ * settings depend on the result of the link negotiation.
+ */
+
+ /* get local capabilities */
+ lcl_adv = 0;
+ if (phy_dev->advertising & ADVERTISED_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_CAP;
+ if (phy_dev->advertising & ADVERTISED_Asym_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_ASYM;
+
+ /* get link partner capabilities */
+ rmt_adv = 0;
+ if (phy_dev->pause)
+ rmt_adv |= LPA_PAUSE_CAP;
+ if (phy_dev->asym_pause)
+ rmt_adv |= LPA_PAUSE_ASYM;
+
+ /* Calculate TX/RX settings based on local and peer advertised
+ * symmetric/asymmetric PAUSE capabilities.
+ */
+ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
+ if (flowctrl & FLOW_CTRL_RX)
+ *rx_pause = true;
+ if (flowctrl & FLOW_CTRL_TX)
+ *tx_pause = true;
+}
+EXPORT_SYMBOL(get_pause_cfg);
+
+static void adjust_link(struct net_device *net_dev)
+{
+ struct device *dev = net_dev->dev.parent;
+ struct dpaa_eth_data *eth_data = dev->platform_data;
+ struct mac_device *mac_dev = eth_data->mac_dev;
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+ struct fm_mac_dev *fm_mac_dev;
+ bool rx_pause, tx_pause;
+ int _errno;
+
+ fm_mac_dev = mac_dev->get_mac_handle(mac_dev);
+ fm_mac_adjust_link(fm_mac_dev, phy_dev->link, phy_dev->speed);
+
+ get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
+ _errno = set_mac_active_pause(mac_dev, rx_pause, tx_pause);
+ if (unlikely(_errno < 0))
+ netdev_err(net_dev, "set_mac_active_pause() = %d\n", _errno);
+}
+
+/* Initializes driver's PHY state, and attaches to the PHY.
+ * Returns 0 on success.
+ */
+static int dtsec_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (!mac_dev->phy_node)
+ phy_dev = phy_connect(net_dev, mac_dev->fixed_bus_id,
+ &adjust_link, mac_dev->phy_if);
+ else
+ phy_dev = of_phy_connect(net_dev, mac_dev->phy_node,
+ &adjust_link, 0, mac_dev->phy_if);
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not connect to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ /* Remove any features not supported by the controller */
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int xgmac_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (!mac_dev->phy_node)
+ phy_dev = phy_attach(net_dev, mac_dev->fixed_bus_id,
+ mac_dev->phy_if);
+ else
+ phy_dev = of_phy_attach(net_dev, mac_dev->phy_node, 0,
+ mac_dev->phy_if);
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not attach to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int memac_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (macdev2enetinterface(mac_dev) == ENET_MODE_XGMII_10000) {
+ if (!mac_dev->phy_node) {
+ mac_dev->phy_dev = NULL;
+ return 0;
+ }
+
+ phy_dev = of_phy_attach(net_dev, mac_dev->phy_node, 0,
+ mac_dev->phy_if);
+ } else {
+ if (!mac_dev->phy_node)
+ phy_dev = phy_connect(net_dev, mac_dev->fixed_bus_id,
+ &adjust_link, mac_dev->phy_if);
+ else
+ phy_dev = of_phy_connect(net_dev, mac_dev->phy_node,
+ &adjust_link, 0,
+ mac_dev->phy_if);
+ }
+
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not connect to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ /* Remove any features not supported by the controller */
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int __cold uninit(struct fm_mac_dev *fm_mac_dev)
+{
+ int _errno, __errno;
+
+ _errno = fm_mac_disable(fm_mac_dev, COMM_MODE_RX_AND_TX);
+ __errno = fm_mac_free(fm_mac_dev);
+
+ if (unlikely(__errno < 0))
+ _errno = __errno;
+
+ return _errno;
+}
+
+static struct fm_mac_dev *get_mac_handle(struct mac_device *mac_dev)
+{
+ const struct mac_priv_s *priv;
+
+ priv = macdev_priv(mac_dev);
+
+ return priv->fm_mac;
+}
+
+static void __cold setup_dtsec(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = dtsec_init_phy;
+ mac_dev->init = init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+static void __cold setup_xgmac(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = xgmac_init_phy;
+ mac_dev->init = init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+static void __cold setup_memac(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = memac_init_phy;
+ mac_dev->init = memac_init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+void (*const mac_setup[])(struct mac_device *mac_dev) = {
+ [DTSEC] = setup_dtsec,
+ [XGMAC] = setup_xgmac,
+ [MEMAC] = setup_memac
+};
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c b/drivers/net/ethernet/freescale/fman/mac/mac.c
new file mode 100644
index 0000000..4eb8f7c
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
@@ -0,0 +1,527 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef CONFIG_FSL_DPAA_ETH_DEBUG
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": %s:%hu:%s() " fmt, \
+ KBUILD_BASENAME ".c", __LINE__, __func__
+#else
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": " fmt
+#endif
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/of_net.h>
+#include <linux/device.h>
+#include <linux/phy.h>
+
+#include "mac.h"
+
+#define DTSEC_SUPPORTED \
+ (SUPPORTED_10baseT_Half \
+ | SUPPORTED_10baseT_Full \
+ | SUPPORTED_100baseT_Half \
+ | SUPPORTED_100baseT_Full \
+ | SUPPORTED_Autoneg \
+ | SUPPORTED_Pause \
+ | SUPPORTED_Asym_Pause \
+ | SUPPORTED_MII)
+
+static DEFINE_MUTEX(eth_lock);
+
+static const char phy_str[][11] = {
+ [PHY_INTERFACE_MODE_MII] = "mii",
+ [PHY_INTERFACE_MODE_GMII] = "gmii",
+ [PHY_INTERFACE_MODE_SGMII] = "sgmii",
+ [PHY_INTERFACE_MODE_TBI] = "tbi",
+ [PHY_INTERFACE_MODE_RMII] = "rmii",
+ [PHY_INTERFACE_MODE_RGMII] = "rgmii",
+ [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
+ [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
+ [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
+ [PHY_INTERFACE_MODE_RTBI] = "rtbi",
+ [PHY_INTERFACE_MODE_XGMII] = "xgmii"
+};
+
+static phy_interface_t __pure __attribute__((nonnull)) str2phy(const char *str)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(phy_str); i++)
+ if (strcmp(str, phy_str[i]) == 0)
+ return (phy_interface_t)i;
+
+ return PHY_INTERFACE_MODE_MII;
+}
+
+static const u16 phy2speed[] = {
+ [PHY_INTERFACE_MODE_MII] = SPEED_100,
+ [PHY_INTERFACE_MODE_GMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_SGMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_TBI] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RMII] = SPEED_100,
+ [PHY_INTERFACE_MODE_RGMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_ID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_RXID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_TXID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RTBI] = SPEED_1000,
+ [PHY_INTERFACE_MODE_XGMII] = SPEED_10000
+};
+
+static struct mac_device * __cold
+alloc_macdev(struct device *dev, size_t sizeof_priv,
+ void (*setup)(struct mac_device *mac_dev))
+{
+ struct mac_device *mac_dev;
+
+ mac_dev = devm_kzalloc(dev, sizeof(*mac_dev) + sizeof_priv, GFP_KERNEL);
+ if (unlikely(!mac_dev)) {
+ mac_dev = ERR_PTR(-ENOMEM);
+ } else {
+ mac_dev->dev = dev;
+ dev_set_drvdata(dev, mac_dev);
+ setup(mac_dev);
+ }
+
+ return mac_dev;
+}
+
+static int __cold free_macdev(struct mac_device *mac_dev)
+{
+ dev_set_drvdata(mac_dev->dev, NULL);
+
+ return mac_dev->uninit(mac_dev->get_mac_handle(mac_dev));
+}
+
+static struct platform_device *dpaa_eth_add_device(int fman_id,
+ struct mac_device *mac_dev,
+ struct device_node *node)
+{
+ struct platform_device *pdev;
+ struct dpaa_eth_data data;
+ static int dpaa_eth_dev_cnt;
+ int ret;
+
+ data.mac_dev = mac_dev;
+ data.mac_hw_id = mac_dev->cell_index;
+ data.fman_hw_id = fman_id;
+ data.mac_node = node;
+
+ mutex_lock(ð_lock);
+
+ pdev = platform_device_alloc("dpaa-ethernet", dpaa_eth_dev_cnt);
+ if (!pdev) {
+ ret = -ENOMEM;
+ goto no_mem;
+ }
+
+ ret = platform_device_add_data(pdev, &data, sizeof(data));
+ if (ret)
+ goto err;
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto err;
+
+ dpaa_eth_dev_cnt++;
+ mutex_unlock(ð_lock);
+
+ return pdev;
+
+err:
+ platform_device_put(pdev);
+no_mem:
+ mutex_unlock(ð_lock);
+
+ return ERR_PTR(ret);
+}
+
+static void dpaa_eth_remove_device(struct platform_device *pdev)
+{
+ platform_device_unregister(pdev);
+}
+
+static const struct of_device_id mac_match[] = {
+ [DTSEC] = {
+ .compatible = "fsl,fman-dtsec"
+ },
+ [XGMAC] = {
+ .compatible = "fsl,fman-xgec"
+ },
+ [MEMAC] = {
+ .compatible = "fsl,fman-memac"
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mac_match);
+
+static int __cold mac_probe(struct platform_device *_of_dev)
+{
+ int _errno, i, lenp;
+ struct device *dev;
+ struct device_node *mac_node, *dev_node;
+ struct mac_device *mac_dev;
+ struct platform_device *of_dev;
+ struct resource res;
+ const u8 *mac_addr;
+ const char *char_prop;
+ const u32 *uint32_prop;
+ const struct of_device_id *match;
+ u8 fman_id;
+
+ const phandle *phandle_prop;
+
+ dev = &_of_dev->dev;
+ mac_node = dev->of_node;
+
+ match = of_match_device(mac_match, dev);
+ if (!match)
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(mac_match) - 1 && match != mac_match + i;
+ i++)
+ ;
+ BUG_ON(i >= ARRAY_SIZE(mac_match) - 1);
+
+ mac_dev = alloc_macdev(dev, mac_sizeof_priv[i], mac_setup[i]);
+ if (IS_ERR(mac_dev)) {
+ _errno = PTR_ERR(mac_dev);
+ dev_err(dev, "alloc_macdev() = %d\n", _errno);
+ goto _return;
+ }
+
+ INIT_LIST_HEAD(&mac_dev->mc_addr_list);
+
+ /* Get the FM node */
+ dev_node = of_get_parent(mac_node);
+ if (unlikely(!dev_node)) {
+ dev_err(dev, "of_get_parent(%s) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+
+ of_dev = of_find_device_by_node(dev_node);
+ if (unlikely(!of_dev)) {
+ dev_err(dev, "of_find_device_by_node(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ /* Get the FMan cell-index */
+ uint32_prop = of_get_property(dev_node, "cell-index", &lenp);
+ if (unlikely(!uint32_prop)) {
+ dev_err(dev, "of_get_property(%s, cell-index) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+ BUG_ON(lenp != sizeof(u32));
+ fman_id = (u8)*uint32_prop + 1; /* cell-index 0 => FMan id 1 */
+
+ mac_dev->fm_dev = fm_bind(&of_dev->dev);
+ if (unlikely(!mac_dev->fm_dev)) {
+ dev_err(dev, "fm_bind(%s) failed\n", dev_node->full_name);
+ _errno = -ENODEV;
+ goto _return_of_node_put;
+ }
+
+ mac_dev->fm = (void *)fm_get_handle(mac_dev->fm_dev);
+ of_node_put(dev_node);
+
+ /* Get the address of the memory mapped registers */
+ _errno = of_address_to_resource(mac_node, 0, &res);
+ if (unlikely(_errno < 0)) {
+ dev_err(dev, "of_address_to_resource(%s) = %d\n",
+ mac_node->full_name, _errno);
+ goto _return_dev_set_drvdata;
+ }
+
+ mac_dev->res =
+ __devm_request_region(dev, fm_get_mem_region(mac_dev->fm_dev),
+ res.start, res.end + 1 - res.start,
+ "mac");
+ if (unlikely(!mac_dev->res)) {
+ dev_err(dev, "__devm_request_mem_region(mac) failed\n");
+ _errno = -EBUSY;
+ goto _return_dev_set_drvdata;
+ }
+
+ mac_dev->vaddr = devm_ioremap(dev, mac_dev->res->start,
+ mac_dev->res->end + 1
+ - mac_dev->res->start);
+ if (unlikely(!mac_dev->vaddr)) {
+ dev_err(dev, "devm_ioremap() failed\n");
+ _errno = -EIO;
+ goto _return_dev_set_drvdata;
+ }
+
+#define TBIPA_OFFSET 0x1c
+#define TBIPA_DEFAULT_ADDR 5 /* override if used as external PHY addr. */
+ mac_dev->tbi_node = of_parse_phandle(mac_node, "tbi-handle", 0);
+ if (mac_dev->tbi_node) {
+ u32 tbiaddr = TBIPA_DEFAULT_ADDR;
+
+ uint32_prop = of_get_property(mac_dev->tbi_node, "reg", NULL);
+ if (uint32_prop)
+ tbiaddr = *uint32_prop;
+ out_be32(mac_dev->vaddr + TBIPA_OFFSET, tbiaddr);
+ }
+
+ if (!of_device_is_available(mac_node)) {
+ devm_iounmap(dev, mac_dev->vaddr);
+ __devm_release_region(dev, fm_get_mem_region(mac_dev->fm_dev),
+ res.start, res.end + 1 - res.start);
+ fm_unbind(mac_dev->fm_dev);
+ devm_kfree(dev, mac_dev);
+ dev_set_drvdata(dev, NULL);
+ return -ENODEV;
+ }
+
+ /* Get the cell-index */
+ uint32_prop = of_get_property(mac_node, "cell-index", &lenp);
+ if (unlikely(!uint32_prop)) {
+ dev_err(dev, "of_get_property(%s, cell-index) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ BUG_ON(lenp != sizeof(u32));
+ mac_dev->cell_index = (u8)*uint32_prop;
+
+ /* Get the MAC address */
+ mac_addr = of_get_mac_address(mac_node);
+ if (unlikely(!mac_addr)) {
+ dev_err(dev, "of_get_mac_address(%s) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ memcpy(mac_dev->addr, mac_addr, sizeof(mac_dev->addr));
+
+ /* Get the port handles */
+ phandle_prop = of_get_property(mac_node, "fsl,fman-ports", &lenp);
+ if (unlikely(!phandle_prop)) {
+ dev_err(dev, "of_get_property(%s, fsl,fman-ports) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ BUG_ON(lenp != sizeof(phandle) * ARRAY_SIZE(mac_dev->port_dev));
+
+ for_each_port_device(i, mac_dev->port_dev) {
+ /* Find the port node */
+ dev_node = of_find_node_by_phandle(phandle_prop[i]);
+ if (unlikely(!dev_node)) {
+ dev_err(dev, "of_find_node_by_phandle() failed\n");
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ of_dev = of_find_device_by_node(dev_node);
+ if (unlikely(!of_dev)) {
+ dev_err(dev, "of_find_device_by_node(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ mac_dev->port_dev[i] = fm_port_bind(&of_dev->dev);
+ if (unlikely(!mac_dev->port_dev[i])) {
+ dev_err(dev, "dev_get_drvdata(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+ of_node_put(dev_node);
+ }
+
+ /* Get the PHY connection type */
+ char_prop = (const char *)of_get_property(mac_node,
+ "phy-connection-type", NULL);
+ if (unlikely(!char_prop)) {
+ dev_warn(dev,
+ "of_get_property(%s, phy-connection-type) failed. Defaulting to MII\n",
+ mac_node->full_name);
+ mac_dev->phy_if = PHY_INTERFACE_MODE_MII;
+ } else {
+ mac_dev->phy_if = str2phy(char_prop);
+ }
+
+ mac_dev->link = false;
+ mac_dev->speed = phy2speed[mac_dev->phy_if];
+ mac_dev->max_speed = mac_dev->speed;
+ mac_dev->if_support = DTSEC_SUPPORTED;
+ /* We don't support half-duplex in SGMII mode */
+ if (strstr(char_prop, "sgmii"))
+ mac_dev->if_support &= ~(SUPPORTED_10baseT_Half |
+ SUPPORTED_100baseT_Half);
+
+ /* Gigabit support (no half-duplex) */
+ if (mac_dev->max_speed == 1000)
+ mac_dev->if_support |= SUPPORTED_1000baseT_Full;
+
+ /* The 10G interface only supports one mode */
+ if (strstr(char_prop, "xgmii"))
+ mac_dev->if_support = SUPPORTED_10000baseT_Full;
+
+ /* Get the rest of the PHY information */
+ mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
+ if (!mac_dev->phy_node) {
+ int sz;
+ const u32 *phy_id = of_get_property(mac_node, "fixed-link",
+ &sz);
+ if (!phy_id || sz < sizeof(*phy_id)) {
+ dev_err(dev, "No PHY (or fixed link) found\n");
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+
+ sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
+ phy_id[0]);
+ }
+
+ _errno = mac_dev->init(mac_dev);
+ if (unlikely(_errno < 0)) {
+ dev_err(dev, "mac_dev->init() = %d\n", _errno);
+ goto _return_dev_set_drvdata;
+ }
+
+ /* pause frame autonegotiation enabled*/
+ mac_dev->autoneg_pause = true;
+
+ /* by intializing the values to false, force FMD to enable PAUSE frames
+ * on RX and TX
+ */
+ mac_dev->rx_pause_req = true;
+ mac_dev->tx_pause_req = true;
+ mac_dev->rx_pause_active = false;
+ mac_dev->tx_pause_active = false;
+ _errno = set_mac_active_pause(mac_dev, true, true);
+ if (unlikely(_errno < 0))
+ dev_err(dev, "set_mac_active_pause() = %d\n", _errno);
+
+ dev_info(dev,
+ "FMan MAC address: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+ mac_dev->addr[0], mac_dev->addr[1], mac_dev->addr[2],
+ mac_dev->addr[3], mac_dev->addr[4], mac_dev->addr[5]);
+
+ mac_dev->eth_dev = dpaa_eth_add_device(fman_id, mac_dev,
+ mac_node);
+ if (IS_ERR(mac_dev->eth_dev)) {
+ dev_err(dev, "failed to add Ethernet platform device for MAC %d\n",
+ mac_dev->cell_index);
+ mac_dev->eth_dev = NULL;
+ }
+
+ goto _return;
+
+_return_of_node_put:
+ of_node_put(dev_node);
+_return_dev_set_drvdata:
+ dev_set_drvdata(dev, NULL);
+_return:
+ return _errno;
+}
+
+static int __cold mac_remove(struct platform_device *of_dev)
+{
+ int i, _errno;
+ struct device *dev;
+ struct mac_device *mac_dev;
+
+ dev = &of_dev->dev;
+ mac_dev = (struct mac_device *)dev_get_drvdata(dev);
+
+ dpaa_eth_remove_device(mac_dev->eth_dev);
+
+ for_each_port_device(i, mac_dev->port_dev)
+ fm_port_unbind(mac_dev->port_dev[i]);
+
+ fm_unbind(mac_dev->fm_dev);
+
+ _errno = free_macdev(mac_dev);
+
+ return _errno;
+}
+
+static struct platform_driver mac_driver = {
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .of_match_table = mac_match,
+ .owner = THIS_MODULE,
+ },
+ .probe = mac_probe,
+ .remove = mac_remove
+};
+
+static int __init __cold mac_load(void)
+{
+ int _errno;
+
+ pr_debug(KBUILD_MODNAME ": -> %s:%s()\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ pr_info(KBUILD_MODNAME ": %s\n",
+ mac_driver_description);
+
+ _errno = platform_driver_register(&mac_driver);
+ if (unlikely(_errno < 0)) {
+ pr_err(KBUILD_MODNAME ": %s:%hu:%s(): platform_driver_register() = %d\n",
+ KBUILD_BASENAME ".c", __LINE__, __func__, _errno);
+ goto _return;
+ }
+
+ goto _return;
+
+_return:
+ pr_debug(KBUILD_MODNAME ": %s:%s() ->\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ return _errno;
+}
+module_init(mac_load);
+
+static void __exit __cold mac_unload(void)
+{
+ pr_debug(KBUILD_MODNAME ": -> %s:%s()\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ platform_driver_unregister(&mac_driver);
+
+ pr_debug(KBUILD_MODNAME ": %s:%s() ->\n",
+ KBUILD_BASENAME ".c", __func__);
+}
+module_exit(mac_unload);
--
1.7.9.5
^ permalink raw reply related [flat|nested] 13+ messages in thread
* [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
@ 2015-04-29 9:29 ` Igal.Liberman
0 siblings, 0 replies; 13+ messages in thread
From: Igal.Liberman @ 2015-04-29 9:29 UTC (permalink / raw)
To: netdev; +Cc: Igal Liberman, linuxppc-dev, linux-kernel, madalin.bucur
From: Igal Liberman <Igal.Liberman@freescale.com>
This patch adds the Ethernet MAC driver support.
Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
---
drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605 +++++++++++++++++++++
drivers/net/ethernet/freescale/fman/mac/mac.c | 527 ++++++++++++++++++
4 files changed, 1259 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h b/drivers/net/ethernet/freescale/fman/inc/mac.h
new file mode 100644
index 0000000..2d27331
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
@@ -0,0 +1,125 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MAC_H
+#define __MAC_H
+
+#include <linux/device.h> /* struct device, BUS_ID_SIZE */
+#include <linux/if_ether.h> /* ETH_ALEN */
+#include <linux/phy.h> /* phy_interface_t, struct phy_device */
+#include <linux/list.h>
+
+#include "fsl_fman_drv.h" /* struct port_device */
+#include "fm_mac_ext.h" /* FM MAC API */
+#include "fm_port_ext.h"
+
+enum {DTSEC, XGMAC, MEMAC};
+
+struct mac_device {
+ struct device *dev;
+ void *priv;
+ u8 cell_index;
+ struct resource *res;
+ void __iomem *vaddr;
+ u8 addr[ETH_ALEN];
+ bool promisc;
+
+ struct fm *fm_dev;
+ struct fm_port *port_dev[2];
+
+ phy_interface_t phy_if;
+ u32 if_support;
+ bool link;
+ u16 speed;
+ u16 max_speed;
+ struct device_node *phy_node;
+ char fixed_bus_id[MII_BUS_ID_SIZE + 3];
+ struct device_node *tbi_node;
+ struct phy_device *phy_dev;
+ void *fm;
+ /* List of multicast addresses */
+ struct list_head mc_addr_list;
+ struct platform_device *eth_dev;
+
+ bool autoneg_pause;
+ bool rx_pause_req;
+ bool tx_pause_req;
+ bool rx_pause_active;
+ bool tx_pause_active;
+
+ struct fm_mac_dev * (*get_mac_handle)(struct mac_device *mac_dev);
+ int (*init_phy)(struct net_device *net_dev, struct mac_device *mac_dev);
+ int (*init)(struct mac_device *mac_dev);
+ int (*start)(struct mac_device *mac_dev);
+ int (*stop)(struct mac_device *mac_dev);
+ int (*set_promisc)(struct fm_mac_dev *fm_mac_dev, bool enable);
+ int (*change_addr)(struct fm_mac_dev *fm_mac_dev,
+ enet_addr_t *p_enet_addr);
+ int (*set_multi)(struct net_device *net_dev,
+ struct mac_device *mac_dev);
+ int (*uninit)(struct fm_mac_dev *fm_mac_dev);
+ int (*set_rx_pause)(struct fm_mac_dev *fm_mac_dev, bool en);
+ int (*set_tx_pause)(struct fm_mac_dev *fm_mac_dev, u8 priority,
+ u16 pause_time, u16 thresh_time);
+};
+
+struct mac_address {
+ u8 addr[ETH_ALEN];
+ struct list_head list;
+};
+
+struct dpaa_eth_data {
+ struct device_node *mac_node;
+ struct mac_device *mac_dev;
+ int mac_hw_id;
+ int fman_hw_id;
+};
+
+#define get_fm_handle(net_dev) \
+ (((struct dpa_priv_s *)netdev_priv(net_dev))->mac_dev->fm_dev)
+
+#define for_each_port_device(i, port_dev) \
+ for (i = 0; i < ARRAY_SIZE(port_dev); i++)
+
+static inline __attribute((nonnull)) void *macdev_priv(
+ const struct mac_device *mac_dev)
+{
+ return (void *)mac_dev + sizeof(*mac_dev);
+}
+
+extern const char *mac_driver_description;
+extern const size_t mac_sizeof_priv[];
+extern void (*const mac_setup[])(struct mac_device *mac_dev);
+
+int set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx);
+void get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause);
+
+#endif /* __MAC_H */
diff --git a/drivers/net/ethernet/freescale/fman/mac/Makefile b/drivers/net/ethernet/freescale/fman/mac/Makefile
index 042a1f7..a422fbf 100644
--- a/drivers/net/ethernet/freescale/fman/mac/Makefile
+++ b/drivers/net/ethernet/freescale/fman/mac/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_FSL_FMAN_MAC) += fsl_fman_mac.o
+obj-y += fsl_fman_mac.o fsl_mac.o
fsl_fman_mac-objs := fman_dtsec.o fman_dtsec_mii_acc.o \
dtsec.o dtsec_mii_acc.o \
@@ -6,3 +6,4 @@ fsl_fman_mac-objs := fman_dtsec.o fman_dtsec_mii_acc.o \
memac.o memac_mii_acc.o \
fman_tgec.o tgec.o \
fman_crc32.o fm_mac.o
+fsl_mac-objs += mac.o mac-api.o
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac-api.c b/drivers/net/ethernet/freescale/fman/mac/mac-api.c
new file mode 100644
index 0000000..159aa15
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/mac/mac-api.c
@@ -0,0 +1,605 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef CONFIG_FSL_DPAA_ETH_DEBUG
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": %s:%hu:%s() " fmt, \
+ KBUILD_BASENAME ".c", __LINE__, __func__
+#else
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": " fmt
+#endif
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+
+#include "mac.h"
+#include "fsl_fman_drv.h"
+#include "fm_mac_ext.h"
+
+#include "../fman/flib/fsl_fman_dtsec.h"
+#include "../fman/flib/fsl_fman_tgec.h"
+#include "../fman/flib/fsl_fman_memac.h"
+
+#define MAC_DESCRIPTION "FSL FMan MAC API based driver"
+
+MODULE_LICENSE("Dual BSD/GPL");
+
+MODULE_AUTHOR("Emil Medve <Emilian.Medve@Freescale.com>");
+
+MODULE_DESCRIPTION(MAC_DESCRIPTION);
+
+struct mac_priv_s {
+ struct fm_mac_dev *fm_mac;
+};
+
+const char *mac_driver_description __initconst = MAC_DESCRIPTION;
+const size_t mac_sizeof_priv[] = {
+ [DTSEC] = sizeof(struct mac_priv_s),
+ [XGMAC] = sizeof(struct mac_priv_s),
+ [MEMAC] = sizeof(struct mac_priv_s)
+};
+
+static const enet_mode_t _100[] = {
+ [PHY_INTERFACE_MODE_MII] = ENET_MODE_MII_100,
+ [PHY_INTERFACE_MODE_RMII] = ENET_MODE_RMII_100
+};
+
+static const enet_mode_t _1000[] = {
+ [PHY_INTERFACE_MODE_GMII] = ENET_MODE_GMII_1000,
+ [PHY_INTERFACE_MODE_SGMII] = ENET_MODE_SGMII_1000,
+ [PHY_INTERFACE_MODE_TBI] = ENET_MODE_TBI_1000,
+ [PHY_INTERFACE_MODE_RGMII] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_ID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_RXID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_TXID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RTBI] = ENET_MODE_RTBI_1000
+};
+
+static enet_mode_t __cold __attribute__((nonnull))
+macdev2enetinterface(const struct mac_device *mac_dev)
+{
+ switch (mac_dev->max_speed) {
+ case SPEED_100:
+ return _100[mac_dev->phy_if];
+ case SPEED_1000:
+ return _1000[mac_dev->phy_if];
+ case SPEED_10000:
+ return ENET_MODE_XGMII_10000;
+ default:
+ return ENET_MODE_MII_100;
+ }
+}
+
+static void mac_exception(void *_mac_dev, enum fm_mac_exceptions ex)
+{
+ struct mac_device *mac_dev;
+
+ mac_dev = (struct mac_device *)_mac_dev;
+
+ if (FM_MAC_EX_10G_RX_FIFO_OVFL == ex) {
+ /* don't flag RX FIFO after the first */
+ fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_10G_RX_FIFO_OVFL, false);
+ dev_err(mac_dev->dev, "10G MAC got RX FIFO Error = %x\n",
+ ex);
+ }
+
+ dev_dbg(mac_dev->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c",
+ __func__, ex);
+}
+
+static int __cold init(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct mac_priv_s *priv;
+ struct fm_mac_params_t param;
+ u32 version;
+
+ priv = macdev_priv(mac_dev);
+
+ param.base_addr = (typeof(param.base_addr))(uintptr_t)devm_ioremap(
+ mac_dev->dev, mac_dev->res->start, 0x2000);
+ param.enet_mode = macdev2enetinterface(mac_dev);
+ memcpy(¶m.addr, mac_dev->addr,
+ min(sizeof(param.addr), sizeof(mac_dev->addr)));
+ param.mac_id = mac_dev->cell_index;
+ param.h_fm = (void *)mac_dev->fm;
+ param.mdio_irq = NO_IRQ;
+ param.f_exception = mac_exception;
+ param.f_event = mac_exception;
+ param.h_app = mac_dev;
+
+ priv->fm_mac = fm_mac_config(¶m);
+ if (unlikely(!priv->fm_mac)) {
+ _errno = -EINVAL;
+ goto _return;
+ }
+
+ _errno = fm_mac_cfg_max_frame_len(priv->fm_mac, fm_get_max_frm());
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) {
+ /* 10G always works with pad and CRC */
+ _errno = fm_mac_cfg_pad_and_crc(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ } else {
+ _errno = fm_mac_cfg_reset_on_init(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ _errno = fm_mac_init(priv->fm_mac);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ /* For 1G MAC, disable by default the MIB counters overflow interrupt */
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) {
+ _errno = fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_1G_RX_MIB_CNT_OVFL,
+ false);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ /* For 10G MAC, disable Tx ECC exception */
+ if (macdev2enetinterface(mac_dev) == ENET_MODE_XGMII_10000) {
+ _errno = fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_10G_1TX_ECC_ER, false);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ _errno = fm_mac_get_version(priv->fm_mac, &version);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ dev_info(mac_dev->dev, "FMan %s version: 0x%08x\n",
+ ((macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) ?
+ "dTSEC" : "XGEC"), version);
+
+ goto _return;
+
+_return_fm_mac_free:
+ fm_mac_free(mac_dev->get_mac_handle(mac_dev));
+
+_return:
+ return _errno;
+}
+
+static int __cold memac_init(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct mac_priv_s *priv;
+ struct fm_mac_params_t param;
+
+ priv = macdev_priv(mac_dev);
+
+ param.base_addr = (typeof(param.base_addr))(uintptr_t)devm_ioremap(
+ mac_dev->dev, mac_dev->res->start, 0x2000);
+ param.enet_mode = macdev2enetinterface(mac_dev);
+ memcpy(¶m.addr, mac_dev->addr, sizeof(mac_dev->addr));
+ param.mac_id = mac_dev->cell_index;
+ param.h_fm = (void *)mac_dev->fm;
+ param.mdio_irq = NO_IRQ;
+ param.f_exception = mac_exception;
+ param.f_event = mac_exception;
+ param.h_app = mac_dev;
+
+ priv->fm_mac = fm_mac_config(¶m);
+ if (unlikely(!priv->fm_mac)) {
+ _errno = -EINVAL;
+ goto _return;
+ }
+
+ _errno = fm_mac_cfg_max_frame_len(priv->fm_mac, fm_get_max_frm());
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ _errno = fm_mac_cfg_reset_on_init(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ _errno = fm_mac_init(priv->fm_mac);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ dev_info(mac_dev->dev, "FMan MEMAC\n");
+
+ goto _return;
+
+_return_fm_mac_free:
+ fm_mac_free(priv->fm_mac);
+
+_return:
+ return _errno;
+}
+
+static int __cold start(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+
+ _errno = fm_mac_enable(mac_dev->get_mac_handle(mac_dev),
+ COMM_MODE_RX_AND_TX);
+
+ if (!_errno && phy_dev) {
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000)
+ phy_start(phy_dev);
+ else if (phy_dev->drv->read_status)
+ phy_dev->drv->read_status(phy_dev);
+ }
+
+ return _errno;
+}
+
+static int __cold stop(struct mac_device *mac_dev)
+{
+ if (mac_dev->phy_dev && (macdev2enetinterface(mac_dev) !=
+ ENET_MODE_XGMII_10000))
+ phy_stop(mac_dev->phy_dev);
+
+ return fm_mac_disable(mac_dev->get_mac_handle(mac_dev),
+ COMM_MODE_RX_AND_TX);
+}
+
+static int __cold set_multi(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct mac_priv_s *mac_priv;
+ struct mac_address *old_addr, *tmp;
+ struct netdev_hw_addr *ha;
+ int _errno;
+ enet_addr_t *addr;
+
+ mac_priv = macdev_priv(mac_dev);
+
+ /* Clear previous address list */
+ list_for_each_entry_safe(old_addr, tmp, &mac_dev->mc_addr_list, list) {
+ addr = (enet_addr_t *)old_addr->addr;
+ _errno = fm_mac_remove_hash_mac_addr(mac_priv->fm_mac, addr);
+ if (_errno < 0)
+ return _errno;
+
+ list_del(&old_addr->list);
+ kfree(old_addr);
+ }
+
+ /* Add all the addresses from the new list */
+ netdev_for_each_mc_addr(ha, net_dev) {
+ addr = (enet_addr_t *)ha->addr;
+ _errno = fm_mac_add_hash_mac_addr(mac_priv->fm_mac, addr);
+ if (_errno < 0)
+ return _errno;
+
+ tmp = kmalloc(sizeof(*tmp), GFP_ATOMIC);
+ if (!tmp)
+ return -ENOMEM;
+
+ ether_addr_copy(tmp->addr, ha->addr);
+ list_add(&tmp->list, &mac_dev->mc_addr_list);
+ }
+ return 0;
+}
+
+/* Avoid redundant calls to FMD, if the MAC driver already contains the desired
+ * active PAUSE settings. Otherwise, the new active settings should be reflected
+ * in FMan.
+ */
+int set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx)
+{
+ struct fm_mac_dev *fm_mac_dev = mac_dev->get_mac_handle(mac_dev);
+ int _errno = 0;
+
+ if (unlikely(rx != mac_dev->rx_pause_active)) {
+ _errno = fm_mac_set_rx_pause_frames(fm_mac_dev, rx);
+ if (likely(_errno == 0))
+ mac_dev->rx_pause_active = rx;
+ }
+
+ if (unlikely(tx != mac_dev->tx_pause_active)) {
+ u16 pause_time = (tx ? FSL_FM_PAUSE_TIME_ENABLE :
+ FSL_FM_PAUSE_TIME_DISABLE);
+
+ _errno = fm_mac_set_tx_pause_frames(fm_mac_dev, 0,
+ pause_time, 0);
+
+ if (likely(_errno == 0))
+ mac_dev->tx_pause_active = tx;
+ }
+
+ return _errno;
+}
+EXPORT_SYMBOL(set_mac_active_pause);
+
+/* Determine the MAC RX/TX PAUSE frames settings based on PHY
+ * autonegotiation or values set by eththool.
+ */
+void get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause)
+{
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+ u16 lcl_adv, rmt_adv;
+ u8 flowctrl;
+
+ *rx_pause = *tx_pause = false;
+
+ if (!phy_dev->duplex)
+ return;
+
+ /* If PAUSE autonegotiation is disabled, the TX/RX PAUSE settings
+ * are those set by ethtool.
+ */
+ if (!mac_dev->autoneg_pause) {
+ *rx_pause = mac_dev->rx_pause_req;
+ *tx_pause = mac_dev->tx_pause_req;
+ return;
+ }
+
+ /* Else if PAUSE autonegotiation is enabled, the TX/RX PAUSE
+ * settings depend on the result of the link negotiation.
+ */
+
+ /* get local capabilities */
+ lcl_adv = 0;
+ if (phy_dev->advertising & ADVERTISED_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_CAP;
+ if (phy_dev->advertising & ADVERTISED_Asym_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_ASYM;
+
+ /* get link partner capabilities */
+ rmt_adv = 0;
+ if (phy_dev->pause)
+ rmt_adv |= LPA_PAUSE_CAP;
+ if (phy_dev->asym_pause)
+ rmt_adv |= LPA_PAUSE_ASYM;
+
+ /* Calculate TX/RX settings based on local and peer advertised
+ * symmetric/asymmetric PAUSE capabilities.
+ */
+ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
+ if (flowctrl & FLOW_CTRL_RX)
+ *rx_pause = true;
+ if (flowctrl & FLOW_CTRL_TX)
+ *tx_pause = true;
+}
+EXPORT_SYMBOL(get_pause_cfg);
+
+static void adjust_link(struct net_device *net_dev)
+{
+ struct device *dev = net_dev->dev.parent;
+ struct dpaa_eth_data *eth_data = dev->platform_data;
+ struct mac_device *mac_dev = eth_data->mac_dev;
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+ struct fm_mac_dev *fm_mac_dev;
+ bool rx_pause, tx_pause;
+ int _errno;
+
+ fm_mac_dev = mac_dev->get_mac_handle(mac_dev);
+ fm_mac_adjust_link(fm_mac_dev, phy_dev->link, phy_dev->speed);
+
+ get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
+ _errno = set_mac_active_pause(mac_dev, rx_pause, tx_pause);
+ if (unlikely(_errno < 0))
+ netdev_err(net_dev, "set_mac_active_pause() = %d\n", _errno);
+}
+
+/* Initializes driver's PHY state, and attaches to the PHY.
+ * Returns 0 on success.
+ */
+static int dtsec_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (!mac_dev->phy_node)
+ phy_dev = phy_connect(net_dev, mac_dev->fixed_bus_id,
+ &adjust_link, mac_dev->phy_if);
+ else
+ phy_dev = of_phy_connect(net_dev, mac_dev->phy_node,
+ &adjust_link, 0, mac_dev->phy_if);
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not connect to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ /* Remove any features not supported by the controller */
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int xgmac_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (!mac_dev->phy_node)
+ phy_dev = phy_attach(net_dev, mac_dev->fixed_bus_id,
+ mac_dev->phy_if);
+ else
+ phy_dev = of_phy_attach(net_dev, mac_dev->phy_node, 0,
+ mac_dev->phy_if);
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not attach to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int memac_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (macdev2enetinterface(mac_dev) == ENET_MODE_XGMII_10000) {
+ if (!mac_dev->phy_node) {
+ mac_dev->phy_dev = NULL;
+ return 0;
+ }
+
+ phy_dev = of_phy_attach(net_dev, mac_dev->phy_node, 0,
+ mac_dev->phy_if);
+ } else {
+ if (!mac_dev->phy_node)
+ phy_dev = phy_connect(net_dev, mac_dev->fixed_bus_id,
+ &adjust_link, mac_dev->phy_if);
+ else
+ phy_dev = of_phy_connect(net_dev, mac_dev->phy_node,
+ &adjust_link, 0,
+ mac_dev->phy_if);
+ }
+
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not connect to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ /* Remove any features not supported by the controller */
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int __cold uninit(struct fm_mac_dev *fm_mac_dev)
+{
+ int _errno, __errno;
+
+ _errno = fm_mac_disable(fm_mac_dev, COMM_MODE_RX_AND_TX);
+ __errno = fm_mac_free(fm_mac_dev);
+
+ if (unlikely(__errno < 0))
+ _errno = __errno;
+
+ return _errno;
+}
+
+static struct fm_mac_dev *get_mac_handle(struct mac_device *mac_dev)
+{
+ const struct mac_priv_s *priv;
+
+ priv = macdev_priv(mac_dev);
+
+ return priv->fm_mac;
+}
+
+static void __cold setup_dtsec(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = dtsec_init_phy;
+ mac_dev->init = init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+static void __cold setup_xgmac(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = xgmac_init_phy;
+ mac_dev->init = init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+static void __cold setup_memac(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = memac_init_phy;
+ mac_dev->init = memac_init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+void (*const mac_setup[])(struct mac_device *mac_dev) = {
+ [DTSEC] = setup_dtsec,
+ [XGMAC] = setup_xgmac,
+ [MEMAC] = setup_memac
+};
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c b/drivers/net/ethernet/freescale/fman/mac/mac.c
new file mode 100644
index 0000000..4eb8f7c
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
@@ -0,0 +1,527 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef CONFIG_FSL_DPAA_ETH_DEBUG
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": %s:%hu:%s() " fmt, \
+ KBUILD_BASENAME ".c", __LINE__, __func__
+#else
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": " fmt
+#endif
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/of_net.h>
+#include <linux/device.h>
+#include <linux/phy.h>
+
+#include "mac.h"
+
+#define DTSEC_SUPPORTED \
+ (SUPPORTED_10baseT_Half \
+ | SUPPORTED_10baseT_Full \
+ | SUPPORTED_100baseT_Half \
+ | SUPPORTED_100baseT_Full \
+ | SUPPORTED_Autoneg \
+ | SUPPORTED_Pause \
+ | SUPPORTED_Asym_Pause \
+ | SUPPORTED_MII)
+
+static DEFINE_MUTEX(eth_lock);
+
+static const char phy_str[][11] = {
+ [PHY_INTERFACE_MODE_MII] = "mii",
+ [PHY_INTERFACE_MODE_GMII] = "gmii",
+ [PHY_INTERFACE_MODE_SGMII] = "sgmii",
+ [PHY_INTERFACE_MODE_TBI] = "tbi",
+ [PHY_INTERFACE_MODE_RMII] = "rmii",
+ [PHY_INTERFACE_MODE_RGMII] = "rgmii",
+ [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
+ [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
+ [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
+ [PHY_INTERFACE_MODE_RTBI] = "rtbi",
+ [PHY_INTERFACE_MODE_XGMII] = "xgmii"
+};
+
+static phy_interface_t __pure __attribute__((nonnull)) str2phy(const char *str)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(phy_str); i++)
+ if (strcmp(str, phy_str[i]) == 0)
+ return (phy_interface_t)i;
+
+ return PHY_INTERFACE_MODE_MII;
+}
+
+static const u16 phy2speed[] = {
+ [PHY_INTERFACE_MODE_MII] = SPEED_100,
+ [PHY_INTERFACE_MODE_GMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_SGMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_TBI] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RMII] = SPEED_100,
+ [PHY_INTERFACE_MODE_RGMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_ID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_RXID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_TXID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RTBI] = SPEED_1000,
+ [PHY_INTERFACE_MODE_XGMII] = SPEED_10000
+};
+
+static struct mac_device * __cold
+alloc_macdev(struct device *dev, size_t sizeof_priv,
+ void (*setup)(struct mac_device *mac_dev))
+{
+ struct mac_device *mac_dev;
+
+ mac_dev = devm_kzalloc(dev, sizeof(*mac_dev) + sizeof_priv, GFP_KERNEL);
+ if (unlikely(!mac_dev)) {
+ mac_dev = ERR_PTR(-ENOMEM);
+ } else {
+ mac_dev->dev = dev;
+ dev_set_drvdata(dev, mac_dev);
+ setup(mac_dev);
+ }
+
+ return mac_dev;
+}
+
+static int __cold free_macdev(struct mac_device *mac_dev)
+{
+ dev_set_drvdata(mac_dev->dev, NULL);
+
+ return mac_dev->uninit(mac_dev->get_mac_handle(mac_dev));
+}
+
+static struct platform_device *dpaa_eth_add_device(int fman_id,
+ struct mac_device *mac_dev,
+ struct device_node *node)
+{
+ struct platform_device *pdev;
+ struct dpaa_eth_data data;
+ static int dpaa_eth_dev_cnt;
+ int ret;
+
+ data.mac_dev = mac_dev;
+ data.mac_hw_id = mac_dev->cell_index;
+ data.fman_hw_id = fman_id;
+ data.mac_node = node;
+
+ mutex_lock(ð_lock);
+
+ pdev = platform_device_alloc("dpaa-ethernet", dpaa_eth_dev_cnt);
+ if (!pdev) {
+ ret = -ENOMEM;
+ goto no_mem;
+ }
+
+ ret = platform_device_add_data(pdev, &data, sizeof(data));
+ if (ret)
+ goto err;
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto err;
+
+ dpaa_eth_dev_cnt++;
+ mutex_unlock(ð_lock);
+
+ return pdev;
+
+err:
+ platform_device_put(pdev);
+no_mem:
+ mutex_unlock(ð_lock);
+
+ return ERR_PTR(ret);
+}
+
+static void dpaa_eth_remove_device(struct platform_device *pdev)
+{
+ platform_device_unregister(pdev);
+}
+
+static const struct of_device_id mac_match[] = {
+ [DTSEC] = {
+ .compatible = "fsl,fman-dtsec"
+ },
+ [XGMAC] = {
+ .compatible = "fsl,fman-xgec"
+ },
+ [MEMAC] = {
+ .compatible = "fsl,fman-memac"
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mac_match);
+
+static int __cold mac_probe(struct platform_device *_of_dev)
+{
+ int _errno, i, lenp;
+ struct device *dev;
+ struct device_node *mac_node, *dev_node;
+ struct mac_device *mac_dev;
+ struct platform_device *of_dev;
+ struct resource res;
+ const u8 *mac_addr;
+ const char *char_prop;
+ const u32 *uint32_prop;
+ const struct of_device_id *match;
+ u8 fman_id;
+
+ const phandle *phandle_prop;
+
+ dev = &_of_dev->dev;
+ mac_node = dev->of_node;
+
+ match = of_match_device(mac_match, dev);
+ if (!match)
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(mac_match) - 1 && match != mac_match + i;
+ i++)
+ ;
+ BUG_ON(i >= ARRAY_SIZE(mac_match) - 1);
+
+ mac_dev = alloc_macdev(dev, mac_sizeof_priv[i], mac_setup[i]);
+ if (IS_ERR(mac_dev)) {
+ _errno = PTR_ERR(mac_dev);
+ dev_err(dev, "alloc_macdev() = %d\n", _errno);
+ goto _return;
+ }
+
+ INIT_LIST_HEAD(&mac_dev->mc_addr_list);
+
+ /* Get the FM node */
+ dev_node = of_get_parent(mac_node);
+ if (unlikely(!dev_node)) {
+ dev_err(dev, "of_get_parent(%s) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+
+ of_dev = of_find_device_by_node(dev_node);
+ if (unlikely(!of_dev)) {
+ dev_err(dev, "of_find_device_by_node(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ /* Get the FMan cell-index */
+ uint32_prop = of_get_property(dev_node, "cell-index", &lenp);
+ if (unlikely(!uint32_prop)) {
+ dev_err(dev, "of_get_property(%s, cell-index) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+ BUG_ON(lenp != sizeof(u32));
+ fman_id = (u8)*uint32_prop + 1; /* cell-index 0 => FMan id 1 */
+
+ mac_dev->fm_dev = fm_bind(&of_dev->dev);
+ if (unlikely(!mac_dev->fm_dev)) {
+ dev_err(dev, "fm_bind(%s) failed\n", dev_node->full_name);
+ _errno = -ENODEV;
+ goto _return_of_node_put;
+ }
+
+ mac_dev->fm = (void *)fm_get_handle(mac_dev->fm_dev);
+ of_node_put(dev_node);
+
+ /* Get the address of the memory mapped registers */
+ _errno = of_address_to_resource(mac_node, 0, &res);
+ if (unlikely(_errno < 0)) {
+ dev_err(dev, "of_address_to_resource(%s) = %d\n",
+ mac_node->full_name, _errno);
+ goto _return_dev_set_drvdata;
+ }
+
+ mac_dev->res =
+ __devm_request_region(dev, fm_get_mem_region(mac_dev->fm_dev),
+ res.start, res.end + 1 - res.start,
+ "mac");
+ if (unlikely(!mac_dev->res)) {
+ dev_err(dev, "__devm_request_mem_region(mac) failed\n");
+ _errno = -EBUSY;
+ goto _return_dev_set_drvdata;
+ }
+
+ mac_dev->vaddr = devm_ioremap(dev, mac_dev->res->start,
+ mac_dev->res->end + 1
+ - mac_dev->res->start);
+ if (unlikely(!mac_dev->vaddr)) {
+ dev_err(dev, "devm_ioremap() failed\n");
+ _errno = -EIO;
+ goto _return_dev_set_drvdata;
+ }
+
+#define TBIPA_OFFSET 0x1c
+#define TBIPA_DEFAULT_ADDR 5 /* override if used as external PHY addr. */
+ mac_dev->tbi_node = of_parse_phandle(mac_node, "tbi-handle", 0);
+ if (mac_dev->tbi_node) {
+ u32 tbiaddr = TBIPA_DEFAULT_ADDR;
+
+ uint32_prop = of_get_property(mac_dev->tbi_node, "reg", NULL);
+ if (uint32_prop)
+ tbiaddr = *uint32_prop;
+ out_be32(mac_dev->vaddr + TBIPA_OFFSET, tbiaddr);
+ }
+
+ if (!of_device_is_available(mac_node)) {
+ devm_iounmap(dev, mac_dev->vaddr);
+ __devm_release_region(dev, fm_get_mem_region(mac_dev->fm_dev),
+ res.start, res.end + 1 - res.start);
+ fm_unbind(mac_dev->fm_dev);
+ devm_kfree(dev, mac_dev);
+ dev_set_drvdata(dev, NULL);
+ return -ENODEV;
+ }
+
+ /* Get the cell-index */
+ uint32_prop = of_get_property(mac_node, "cell-index", &lenp);
+ if (unlikely(!uint32_prop)) {
+ dev_err(dev, "of_get_property(%s, cell-index) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ BUG_ON(lenp != sizeof(u32));
+ mac_dev->cell_index = (u8)*uint32_prop;
+
+ /* Get the MAC address */
+ mac_addr = of_get_mac_address(mac_node);
+ if (unlikely(!mac_addr)) {
+ dev_err(dev, "of_get_mac_address(%s) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ memcpy(mac_dev->addr, mac_addr, sizeof(mac_dev->addr));
+
+ /* Get the port handles */
+ phandle_prop = of_get_property(mac_node, "fsl,fman-ports", &lenp);
+ if (unlikely(!phandle_prop)) {
+ dev_err(dev, "of_get_property(%s, fsl,fman-ports) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ BUG_ON(lenp != sizeof(phandle) * ARRAY_SIZE(mac_dev->port_dev));
+
+ for_each_port_device(i, mac_dev->port_dev) {
+ /* Find the port node */
+ dev_node = of_find_node_by_phandle(phandle_prop[i]);
+ if (unlikely(!dev_node)) {
+ dev_err(dev, "of_find_node_by_phandle() failed\n");
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ of_dev = of_find_device_by_node(dev_node);
+ if (unlikely(!of_dev)) {
+ dev_err(dev, "of_find_device_by_node(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ mac_dev->port_dev[i] = fm_port_bind(&of_dev->dev);
+ if (unlikely(!mac_dev->port_dev[i])) {
+ dev_err(dev, "dev_get_drvdata(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+ of_node_put(dev_node);
+ }
+
+ /* Get the PHY connection type */
+ char_prop = (const char *)of_get_property(mac_node,
+ "phy-connection-type", NULL);
+ if (unlikely(!char_prop)) {
+ dev_warn(dev,
+ "of_get_property(%s, phy-connection-type) failed. Defaulting to MII\n",
+ mac_node->full_name);
+ mac_dev->phy_if = PHY_INTERFACE_MODE_MII;
+ } else {
+ mac_dev->phy_if = str2phy(char_prop);
+ }
+
+ mac_dev->link = false;
+ mac_dev->speed = phy2speed[mac_dev->phy_if];
+ mac_dev->max_speed = mac_dev->speed;
+ mac_dev->if_support = DTSEC_SUPPORTED;
+ /* We don't support half-duplex in SGMII mode */
+ if (strstr(char_prop, "sgmii"))
+ mac_dev->if_support &= ~(SUPPORTED_10baseT_Half |
+ SUPPORTED_100baseT_Half);
+
+ /* Gigabit support (no half-duplex) */
+ if (mac_dev->max_speed == 1000)
+ mac_dev->if_support |= SUPPORTED_1000baseT_Full;
+
+ /* The 10G interface only supports one mode */
+ if (strstr(char_prop, "xgmii"))
+ mac_dev->if_support = SUPPORTED_10000baseT_Full;
+
+ /* Get the rest of the PHY information */
+ mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
+ if (!mac_dev->phy_node) {
+ int sz;
+ const u32 *phy_id = of_get_property(mac_node, "fixed-link",
+ &sz);
+ if (!phy_id || sz < sizeof(*phy_id)) {
+ dev_err(dev, "No PHY (or fixed link) found\n");
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+
+ sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
+ phy_id[0]);
+ }
+
+ _errno = mac_dev->init(mac_dev);
+ if (unlikely(_errno < 0)) {
+ dev_err(dev, "mac_dev->init() = %d\n", _errno);
+ goto _return_dev_set_drvdata;
+ }
+
+ /* pause frame autonegotiation enabled*/
+ mac_dev->autoneg_pause = true;
+
+ /* by intializing the values to false, force FMD to enable PAUSE frames
+ * on RX and TX
+ */
+ mac_dev->rx_pause_req = true;
+ mac_dev->tx_pause_req = true;
+ mac_dev->rx_pause_active = false;
+ mac_dev->tx_pause_active = false;
+ _errno = set_mac_active_pause(mac_dev, true, true);
+ if (unlikely(_errno < 0))
+ dev_err(dev, "set_mac_active_pause() = %d\n", _errno);
+
+ dev_info(dev,
+ "FMan MAC address: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+ mac_dev->addr[0], mac_dev->addr[1], mac_dev->addr[2],
+ mac_dev->addr[3], mac_dev->addr[4], mac_dev->addr[5]);
+
+ mac_dev->eth_dev = dpaa_eth_add_device(fman_id, mac_dev,
+ mac_node);
+ if (IS_ERR(mac_dev->eth_dev)) {
+ dev_err(dev, "failed to add Ethernet platform device for MAC %d\n",
+ mac_dev->cell_index);
+ mac_dev->eth_dev = NULL;
+ }
+
+ goto _return;
+
+_return_of_node_put:
+ of_node_put(dev_node);
+_return_dev_set_drvdata:
+ dev_set_drvdata(dev, NULL);
+_return:
+ return _errno;
+}
+
+static int __cold mac_remove(struct platform_device *of_dev)
+{
+ int i, _errno;
+ struct device *dev;
+ struct mac_device *mac_dev;
+
+ dev = &of_dev->dev;
+ mac_dev = (struct mac_device *)dev_get_drvdata(dev);
+
+ dpaa_eth_remove_device(mac_dev->eth_dev);
+
+ for_each_port_device(i, mac_dev->port_dev)
+ fm_port_unbind(mac_dev->port_dev[i]);
+
+ fm_unbind(mac_dev->fm_dev);
+
+ _errno = free_macdev(mac_dev);
+
+ return _errno;
+}
+
+static struct platform_driver mac_driver = {
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .of_match_table = mac_match,
+ .owner = THIS_MODULE,
+ },
+ .probe = mac_probe,
+ .remove = mac_remove
+};
+
+static int __init __cold mac_load(void)
+{
+ int _errno;
+
+ pr_debug(KBUILD_MODNAME ": -> %s:%s()\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ pr_info(KBUILD_MODNAME ": %s\n",
+ mac_driver_description);
+
+ _errno = platform_driver_register(&mac_driver);
+ if (unlikely(_errno < 0)) {
+ pr_err(KBUILD_MODNAME ": %s:%hu:%s(): platform_driver_register() = %d\n",
+ KBUILD_BASENAME ".c", __LINE__, __func__, _errno);
+ goto _return;
+ }
+
+ goto _return;
+
+_return:
+ pr_debug(KBUILD_MODNAME ": %s:%s() ->\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ return _errno;
+}
+module_init(mac_load);
+
+static void __exit __cold mac_unload(void)
+{
+ pr_debug(KBUILD_MODNAME ": -> %s:%s()\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ platform_driver_unregister(&mac_driver);
+
+ pr_debug(KBUILD_MODNAME ": %s:%s() ->\n",
+ KBUILD_BASENAME ".c", __func__);
+}
+module_exit(mac_unload);
--
1.7.9.5
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
^ permalink raw reply related [flat|nested] 13+ messages in thread
* [RFC,v3 12/12] fsl/fman: Add FMan MAC driver
2015-05-07 13:05 ` [RFC,v3 11/12] fsl/fman: Add FMan Port Support Madalin Bucur
@ 2015-05-07 13:05 ` Madalin Bucur
0 siblings, 0 replies; 13+ messages in thread
From: Madalin Bucur @ 2015-05-07 13:05 UTC (permalink / raw)
To: netdev; +Cc: Igal Liberman
From: Igal Liberman <Igal.Liberman@freescale.com>
This patch adds the Ethernet MAC driver support.
Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
---
drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605 ++++++++++++++++++++++
drivers/net/ethernet/freescale/fman/mac/mac.c | 527 +++++++++++++++++++
4 files changed, 1259 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h b/drivers/net/ethernet/freescale/fman/inc/mac.h
new file mode 100644
index 0000000..2d27331
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
@@ -0,0 +1,125 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MAC_H
+#define __MAC_H
+
+#include <linux/device.h> /* struct device, BUS_ID_SIZE */
+#include <linux/if_ether.h> /* ETH_ALEN */
+#include <linux/phy.h> /* phy_interface_t, struct phy_device */
+#include <linux/list.h>
+
+#include "fsl_fman_drv.h" /* struct port_device */
+#include "fm_mac_ext.h" /* FM MAC API */
+#include "fm_port_ext.h"
+
+enum {DTSEC, XGMAC, MEMAC};
+
+struct mac_device {
+ struct device *dev;
+ void *priv;
+ u8 cell_index;
+ struct resource *res;
+ void __iomem *vaddr;
+ u8 addr[ETH_ALEN];
+ bool promisc;
+
+ struct fm *fm_dev;
+ struct fm_port *port_dev[2];
+
+ phy_interface_t phy_if;
+ u32 if_support;
+ bool link;
+ u16 speed;
+ u16 max_speed;
+ struct device_node *phy_node;
+ char fixed_bus_id[MII_BUS_ID_SIZE + 3];
+ struct device_node *tbi_node;
+ struct phy_device *phy_dev;
+ void *fm;
+ /* List of multicast addresses */
+ struct list_head mc_addr_list;
+ struct platform_device *eth_dev;
+
+ bool autoneg_pause;
+ bool rx_pause_req;
+ bool tx_pause_req;
+ bool rx_pause_active;
+ bool tx_pause_active;
+
+ struct fm_mac_dev * (*get_mac_handle)(struct mac_device *mac_dev);
+ int (*init_phy)(struct net_device *net_dev, struct mac_device *mac_dev);
+ int (*init)(struct mac_device *mac_dev);
+ int (*start)(struct mac_device *mac_dev);
+ int (*stop)(struct mac_device *mac_dev);
+ int (*set_promisc)(struct fm_mac_dev *fm_mac_dev, bool enable);
+ int (*change_addr)(struct fm_mac_dev *fm_mac_dev,
+ enet_addr_t *p_enet_addr);
+ int (*set_multi)(struct net_device *net_dev,
+ struct mac_device *mac_dev);
+ int (*uninit)(struct fm_mac_dev *fm_mac_dev);
+ int (*set_rx_pause)(struct fm_mac_dev *fm_mac_dev, bool en);
+ int (*set_tx_pause)(struct fm_mac_dev *fm_mac_dev, u8 priority,
+ u16 pause_time, u16 thresh_time);
+};
+
+struct mac_address {
+ u8 addr[ETH_ALEN];
+ struct list_head list;
+};
+
+struct dpaa_eth_data {
+ struct device_node *mac_node;
+ struct mac_device *mac_dev;
+ int mac_hw_id;
+ int fman_hw_id;
+};
+
+#define get_fm_handle(net_dev) \
+ (((struct dpa_priv_s *)netdev_priv(net_dev))->mac_dev->fm_dev)
+
+#define for_each_port_device(i, port_dev) \
+ for (i = 0; i < ARRAY_SIZE(port_dev); i++)
+
+static inline __attribute((nonnull)) void *macdev_priv(
+ const struct mac_device *mac_dev)
+{
+ return (void *)mac_dev + sizeof(*mac_dev);
+}
+
+extern const char *mac_driver_description;
+extern const size_t mac_sizeof_priv[];
+extern void (*const mac_setup[])(struct mac_device *mac_dev);
+
+int set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx);
+void get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause);
+
+#endif /* __MAC_H */
diff --git a/drivers/net/ethernet/freescale/fman/mac/Makefile b/drivers/net/ethernet/freescale/fman/mac/Makefile
index 042a1f7..a422fbf 100644
--- a/drivers/net/ethernet/freescale/fman/mac/Makefile
+++ b/drivers/net/ethernet/freescale/fman/mac/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_FSL_FMAN_MAC) += fsl_fman_mac.o
+obj-y += fsl_fman_mac.o fsl_mac.o
fsl_fman_mac-objs := fman_dtsec.o fman_dtsec_mii_acc.o \
dtsec.o dtsec_mii_acc.o \
@@ -6,3 +6,4 @@ fsl_fman_mac-objs := fman_dtsec.o fman_dtsec_mii_acc.o \
memac.o memac_mii_acc.o \
fman_tgec.o tgec.o \
fman_crc32.o fm_mac.o
+fsl_mac-objs += mac.o mac-api.o
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac-api.c b/drivers/net/ethernet/freescale/fman/mac/mac-api.c
new file mode 100644
index 0000000..159aa15
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/mac/mac-api.c
@@ -0,0 +1,605 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef CONFIG_FSL_DPAA_ETH_DEBUG
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": %s:%hu:%s() " fmt, \
+ KBUILD_BASENAME ".c", __LINE__, __func__
+#else
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": " fmt
+#endif
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+
+#include "mac.h"
+#include "fsl_fman_drv.h"
+#include "fm_mac_ext.h"
+
+#include "../fman/flib/fsl_fman_dtsec.h"
+#include "../fman/flib/fsl_fman_tgec.h"
+#include "../fman/flib/fsl_fman_memac.h"
+
+#define MAC_DESCRIPTION "FSL FMan MAC API based driver"
+
+MODULE_LICENSE("Dual BSD/GPL");
+
+MODULE_AUTHOR("Emil Medve <Emilian.Medve@Freescale.com>");
+
+MODULE_DESCRIPTION(MAC_DESCRIPTION);
+
+struct mac_priv_s {
+ struct fm_mac_dev *fm_mac;
+};
+
+const char *mac_driver_description __initconst = MAC_DESCRIPTION;
+const size_t mac_sizeof_priv[] = {
+ [DTSEC] = sizeof(struct mac_priv_s),
+ [XGMAC] = sizeof(struct mac_priv_s),
+ [MEMAC] = sizeof(struct mac_priv_s)
+};
+
+static const enet_mode_t _100[] = {
+ [PHY_INTERFACE_MODE_MII] = ENET_MODE_MII_100,
+ [PHY_INTERFACE_MODE_RMII] = ENET_MODE_RMII_100
+};
+
+static const enet_mode_t _1000[] = {
+ [PHY_INTERFACE_MODE_GMII] = ENET_MODE_GMII_1000,
+ [PHY_INTERFACE_MODE_SGMII] = ENET_MODE_SGMII_1000,
+ [PHY_INTERFACE_MODE_TBI] = ENET_MODE_TBI_1000,
+ [PHY_INTERFACE_MODE_RGMII] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_ID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_RXID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RGMII_TXID] = ENET_MODE_RGMII_1000,
+ [PHY_INTERFACE_MODE_RTBI] = ENET_MODE_RTBI_1000
+};
+
+static enet_mode_t __cold __attribute__((nonnull))
+macdev2enetinterface(const struct mac_device *mac_dev)
+{
+ switch (mac_dev->max_speed) {
+ case SPEED_100:
+ return _100[mac_dev->phy_if];
+ case SPEED_1000:
+ return _1000[mac_dev->phy_if];
+ case SPEED_10000:
+ return ENET_MODE_XGMII_10000;
+ default:
+ return ENET_MODE_MII_100;
+ }
+}
+
+static void mac_exception(void *_mac_dev, enum fm_mac_exceptions ex)
+{
+ struct mac_device *mac_dev;
+
+ mac_dev = (struct mac_device *)_mac_dev;
+
+ if (FM_MAC_EX_10G_RX_FIFO_OVFL == ex) {
+ /* don't flag RX FIFO after the first */
+ fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_10G_RX_FIFO_OVFL, false);
+ dev_err(mac_dev->dev, "10G MAC got RX FIFO Error = %x\n",
+ ex);
+ }
+
+ dev_dbg(mac_dev->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c",
+ __func__, ex);
+}
+
+static int __cold init(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct mac_priv_s *priv;
+ struct fm_mac_params_t param;
+ u32 version;
+
+ priv = macdev_priv(mac_dev);
+
+ param.base_addr = (typeof(param.base_addr))(uintptr_t)devm_ioremap(
+ mac_dev->dev, mac_dev->res->start, 0x2000);
+ param.enet_mode = macdev2enetinterface(mac_dev);
+ memcpy(¶m.addr, mac_dev->addr,
+ min(sizeof(param.addr), sizeof(mac_dev->addr)));
+ param.mac_id = mac_dev->cell_index;
+ param.h_fm = (void *)mac_dev->fm;
+ param.mdio_irq = NO_IRQ;
+ param.f_exception = mac_exception;
+ param.f_event = mac_exception;
+ param.h_app = mac_dev;
+
+ priv->fm_mac = fm_mac_config(¶m);
+ if (unlikely(!priv->fm_mac)) {
+ _errno = -EINVAL;
+ goto _return;
+ }
+
+ _errno = fm_mac_cfg_max_frame_len(priv->fm_mac, fm_get_max_frm());
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) {
+ /* 10G always works with pad and CRC */
+ _errno = fm_mac_cfg_pad_and_crc(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ } else {
+ _errno = fm_mac_cfg_reset_on_init(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ _errno = fm_mac_init(priv->fm_mac);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ /* For 1G MAC, disable by default the MIB counters overflow interrupt */
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) {
+ _errno = fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_1G_RX_MIB_CNT_OVFL,
+ false);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ /* For 10G MAC, disable Tx ECC exception */
+ if (macdev2enetinterface(mac_dev) == ENET_MODE_XGMII_10000) {
+ _errno = fm_mac_set_exception(mac_dev->get_mac_handle(mac_dev),
+ FM_MAC_EX_10G_1TX_ECC_ER, false);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+ }
+
+ _errno = fm_mac_get_version(priv->fm_mac, &version);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ dev_info(mac_dev->dev, "FMan %s version: 0x%08x\n",
+ ((macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000) ?
+ "dTSEC" : "XGEC"), version);
+
+ goto _return;
+
+_return_fm_mac_free:
+ fm_mac_free(mac_dev->get_mac_handle(mac_dev));
+
+_return:
+ return _errno;
+}
+
+static int __cold memac_init(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct mac_priv_s *priv;
+ struct fm_mac_params_t param;
+
+ priv = macdev_priv(mac_dev);
+
+ param.base_addr = (typeof(param.base_addr))(uintptr_t)devm_ioremap(
+ mac_dev->dev, mac_dev->res->start, 0x2000);
+ param.enet_mode = macdev2enetinterface(mac_dev);
+ memcpy(¶m.addr, mac_dev->addr, sizeof(mac_dev->addr));
+ param.mac_id = mac_dev->cell_index;
+ param.h_fm = (void *)mac_dev->fm;
+ param.mdio_irq = NO_IRQ;
+ param.f_exception = mac_exception;
+ param.f_event = mac_exception;
+ param.h_app = mac_dev;
+
+ priv->fm_mac = fm_mac_config(¶m);
+ if (unlikely(!priv->fm_mac)) {
+ _errno = -EINVAL;
+ goto _return;
+ }
+
+ _errno = fm_mac_cfg_max_frame_len(priv->fm_mac, fm_get_max_frm());
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ _errno = fm_mac_cfg_reset_on_init(priv->fm_mac, true);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ _errno = fm_mac_init(priv->fm_mac);
+ if (unlikely(_errno < 0))
+ goto _return_fm_mac_free;
+
+ dev_info(mac_dev->dev, "FMan MEMAC\n");
+
+ goto _return;
+
+_return_fm_mac_free:
+ fm_mac_free(priv->fm_mac);
+
+_return:
+ return _errno;
+}
+
+static int __cold start(struct mac_device *mac_dev)
+{
+ int _errno;
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+
+ _errno = fm_mac_enable(mac_dev->get_mac_handle(mac_dev),
+ COMM_MODE_RX_AND_TX);
+
+ if (!_errno && phy_dev) {
+ if (macdev2enetinterface(mac_dev) != ENET_MODE_XGMII_10000)
+ phy_start(phy_dev);
+ else if (phy_dev->drv->read_status)
+ phy_dev->drv->read_status(phy_dev);
+ }
+
+ return _errno;
+}
+
+static int __cold stop(struct mac_device *mac_dev)
+{
+ if (mac_dev->phy_dev && (macdev2enetinterface(mac_dev) !=
+ ENET_MODE_XGMII_10000))
+ phy_stop(mac_dev->phy_dev);
+
+ return fm_mac_disable(mac_dev->get_mac_handle(mac_dev),
+ COMM_MODE_RX_AND_TX);
+}
+
+static int __cold set_multi(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct mac_priv_s *mac_priv;
+ struct mac_address *old_addr, *tmp;
+ struct netdev_hw_addr *ha;
+ int _errno;
+ enet_addr_t *addr;
+
+ mac_priv = macdev_priv(mac_dev);
+
+ /* Clear previous address list */
+ list_for_each_entry_safe(old_addr, tmp, &mac_dev->mc_addr_list, list) {
+ addr = (enet_addr_t *)old_addr->addr;
+ _errno = fm_mac_remove_hash_mac_addr(mac_priv->fm_mac, addr);
+ if (_errno < 0)
+ return _errno;
+
+ list_del(&old_addr->list);
+ kfree(old_addr);
+ }
+
+ /* Add all the addresses from the new list */
+ netdev_for_each_mc_addr(ha, net_dev) {
+ addr = (enet_addr_t *)ha->addr;
+ _errno = fm_mac_add_hash_mac_addr(mac_priv->fm_mac, addr);
+ if (_errno < 0)
+ return _errno;
+
+ tmp = kmalloc(sizeof(*tmp), GFP_ATOMIC);
+ if (!tmp)
+ return -ENOMEM;
+
+ ether_addr_copy(tmp->addr, ha->addr);
+ list_add(&tmp->list, &mac_dev->mc_addr_list);
+ }
+ return 0;
+}
+
+/* Avoid redundant calls to FMD, if the MAC driver already contains the desired
+ * active PAUSE settings. Otherwise, the new active settings should be reflected
+ * in FMan.
+ */
+int set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx)
+{
+ struct fm_mac_dev *fm_mac_dev = mac_dev->get_mac_handle(mac_dev);
+ int _errno = 0;
+
+ if (unlikely(rx != mac_dev->rx_pause_active)) {
+ _errno = fm_mac_set_rx_pause_frames(fm_mac_dev, rx);
+ if (likely(_errno == 0))
+ mac_dev->rx_pause_active = rx;
+ }
+
+ if (unlikely(tx != mac_dev->tx_pause_active)) {
+ u16 pause_time = (tx ? FSL_FM_PAUSE_TIME_ENABLE :
+ FSL_FM_PAUSE_TIME_DISABLE);
+
+ _errno = fm_mac_set_tx_pause_frames(fm_mac_dev, 0,
+ pause_time, 0);
+
+ if (likely(_errno == 0))
+ mac_dev->tx_pause_active = tx;
+ }
+
+ return _errno;
+}
+EXPORT_SYMBOL(set_mac_active_pause);
+
+/* Determine the MAC RX/TX PAUSE frames settings based on PHY
+ * autonegotiation or values set by eththool.
+ */
+void get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause)
+{
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+ u16 lcl_adv, rmt_adv;
+ u8 flowctrl;
+
+ *rx_pause = *tx_pause = false;
+
+ if (!phy_dev->duplex)
+ return;
+
+ /* If PAUSE autonegotiation is disabled, the TX/RX PAUSE settings
+ * are those set by ethtool.
+ */
+ if (!mac_dev->autoneg_pause) {
+ *rx_pause = mac_dev->rx_pause_req;
+ *tx_pause = mac_dev->tx_pause_req;
+ return;
+ }
+
+ /* Else if PAUSE autonegotiation is enabled, the TX/RX PAUSE
+ * settings depend on the result of the link negotiation.
+ */
+
+ /* get local capabilities */
+ lcl_adv = 0;
+ if (phy_dev->advertising & ADVERTISED_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_CAP;
+ if (phy_dev->advertising & ADVERTISED_Asym_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_ASYM;
+
+ /* get link partner capabilities */
+ rmt_adv = 0;
+ if (phy_dev->pause)
+ rmt_adv |= LPA_PAUSE_CAP;
+ if (phy_dev->asym_pause)
+ rmt_adv |= LPA_PAUSE_ASYM;
+
+ /* Calculate TX/RX settings based on local and peer advertised
+ * symmetric/asymmetric PAUSE capabilities.
+ */
+ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
+ if (flowctrl & FLOW_CTRL_RX)
+ *rx_pause = true;
+ if (flowctrl & FLOW_CTRL_TX)
+ *tx_pause = true;
+}
+EXPORT_SYMBOL(get_pause_cfg);
+
+static void adjust_link(struct net_device *net_dev)
+{
+ struct device *dev = net_dev->dev.parent;
+ struct dpaa_eth_data *eth_data = dev->platform_data;
+ struct mac_device *mac_dev = eth_data->mac_dev;
+ struct phy_device *phy_dev = mac_dev->phy_dev;
+ struct fm_mac_dev *fm_mac_dev;
+ bool rx_pause, tx_pause;
+ int _errno;
+
+ fm_mac_dev = mac_dev->get_mac_handle(mac_dev);
+ fm_mac_adjust_link(fm_mac_dev, phy_dev->link, phy_dev->speed);
+
+ get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
+ _errno = set_mac_active_pause(mac_dev, rx_pause, tx_pause);
+ if (unlikely(_errno < 0))
+ netdev_err(net_dev, "set_mac_active_pause() = %d\n", _errno);
+}
+
+/* Initializes driver's PHY state, and attaches to the PHY.
+ * Returns 0 on success.
+ */
+static int dtsec_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (!mac_dev->phy_node)
+ phy_dev = phy_connect(net_dev, mac_dev->fixed_bus_id,
+ &adjust_link, mac_dev->phy_if);
+ else
+ phy_dev = of_phy_connect(net_dev, mac_dev->phy_node,
+ &adjust_link, 0, mac_dev->phy_if);
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not connect to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ /* Remove any features not supported by the controller */
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int xgmac_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (!mac_dev->phy_node)
+ phy_dev = phy_attach(net_dev, mac_dev->fixed_bus_id,
+ mac_dev->phy_if);
+ else
+ phy_dev = of_phy_attach(net_dev, mac_dev->phy_node, 0,
+ mac_dev->phy_if);
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not attach to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int memac_init_phy(struct net_device *net_dev,
+ struct mac_device *mac_dev)
+{
+ struct phy_device *phy_dev;
+
+ if (macdev2enetinterface(mac_dev) == ENET_MODE_XGMII_10000) {
+ if (!mac_dev->phy_node) {
+ mac_dev->phy_dev = NULL;
+ return 0;
+ }
+
+ phy_dev = of_phy_attach(net_dev, mac_dev->phy_node, 0,
+ mac_dev->phy_if);
+ } else {
+ if (!mac_dev->phy_node)
+ phy_dev = phy_connect(net_dev, mac_dev->fixed_bus_id,
+ &adjust_link, mac_dev->phy_if);
+ else
+ phy_dev = of_phy_connect(net_dev, mac_dev->phy_node,
+ &adjust_link, 0,
+ mac_dev->phy_if);
+ }
+
+ if (unlikely(!phy_dev) || IS_ERR(phy_dev)) {
+ netdev_err(net_dev, "Could not connect to PHY %s\n",
+ mac_dev->phy_node ?
+ mac_dev->phy_node->full_name :
+ mac_dev->fixed_bus_id);
+ return (!phy_dev) ? -ENODEV : PTR_ERR(phy_dev);
+ }
+
+ /* Remove any features not supported by the controller */
+ phy_dev->supported &= mac_dev->if_support;
+ /* Enable the symmetric and asymmetric PAUSE frame advertisements,
+ * as most of the PHY drivers do not enable them by default.
+ */
+ phy_dev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ phy_dev->advertising = phy_dev->supported;
+
+ mac_dev->phy_dev = phy_dev;
+
+ return 0;
+}
+
+static int __cold uninit(struct fm_mac_dev *fm_mac_dev)
+{
+ int _errno, __errno;
+
+ _errno = fm_mac_disable(fm_mac_dev, COMM_MODE_RX_AND_TX);
+ __errno = fm_mac_free(fm_mac_dev);
+
+ if (unlikely(__errno < 0))
+ _errno = __errno;
+
+ return _errno;
+}
+
+static struct fm_mac_dev *get_mac_handle(struct mac_device *mac_dev)
+{
+ const struct mac_priv_s *priv;
+
+ priv = macdev_priv(mac_dev);
+
+ return priv->fm_mac;
+}
+
+static void __cold setup_dtsec(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = dtsec_init_phy;
+ mac_dev->init = init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+static void __cold setup_xgmac(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = xgmac_init_phy;
+ mac_dev->init = init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+static void __cold setup_memac(struct mac_device *mac_dev)
+{
+ mac_dev->init_phy = memac_init_phy;
+ mac_dev->init = memac_init;
+ mac_dev->start = start;
+ mac_dev->stop = stop;
+ mac_dev->set_promisc = fm_mac_set_promiscuous;
+ mac_dev->change_addr = fm_mac_modify_mac_addr;
+ mac_dev->set_multi = set_multi;
+ mac_dev->uninit = uninit;
+ mac_dev->get_mac_handle = get_mac_handle;
+ mac_dev->set_tx_pause = fm_mac_set_tx_pause_frames;
+ mac_dev->set_rx_pause = fm_mac_set_rx_pause_frames;
+}
+
+void (*const mac_setup[])(struct mac_device *mac_dev) = {
+ [DTSEC] = setup_dtsec,
+ [XGMAC] = setup_xgmac,
+ [MEMAC] = setup_memac
+};
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c b/drivers/net/ethernet/freescale/fman/mac/mac.c
new file mode 100644
index 0000000..4eb8f7c
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
@@ -0,0 +1,527 @@
+/* Copyright 2008-2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef CONFIG_FSL_DPAA_ETH_DEBUG
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": %s:%hu:%s() " fmt, \
+ KBUILD_BASENAME ".c", __LINE__, __func__
+#else
+#define pr_fmt(fmt) \
+ KBUILD_MODNAME ": " fmt
+#endif
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/of_net.h>
+#include <linux/device.h>
+#include <linux/phy.h>
+
+#include "mac.h"
+
+#define DTSEC_SUPPORTED \
+ (SUPPORTED_10baseT_Half \
+ | SUPPORTED_10baseT_Full \
+ | SUPPORTED_100baseT_Half \
+ | SUPPORTED_100baseT_Full \
+ | SUPPORTED_Autoneg \
+ | SUPPORTED_Pause \
+ | SUPPORTED_Asym_Pause \
+ | SUPPORTED_MII)
+
+static DEFINE_MUTEX(eth_lock);
+
+static const char phy_str[][11] = {
+ [PHY_INTERFACE_MODE_MII] = "mii",
+ [PHY_INTERFACE_MODE_GMII] = "gmii",
+ [PHY_INTERFACE_MODE_SGMII] = "sgmii",
+ [PHY_INTERFACE_MODE_TBI] = "tbi",
+ [PHY_INTERFACE_MODE_RMII] = "rmii",
+ [PHY_INTERFACE_MODE_RGMII] = "rgmii",
+ [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
+ [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
+ [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
+ [PHY_INTERFACE_MODE_RTBI] = "rtbi",
+ [PHY_INTERFACE_MODE_XGMII] = "xgmii"
+};
+
+static phy_interface_t __pure __attribute__((nonnull)) str2phy(const char *str)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(phy_str); i++)
+ if (strcmp(str, phy_str[i]) == 0)
+ return (phy_interface_t)i;
+
+ return PHY_INTERFACE_MODE_MII;
+}
+
+static const u16 phy2speed[] = {
+ [PHY_INTERFACE_MODE_MII] = SPEED_100,
+ [PHY_INTERFACE_MODE_GMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_SGMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_TBI] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RMII] = SPEED_100,
+ [PHY_INTERFACE_MODE_RGMII] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_ID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_RXID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RGMII_TXID] = SPEED_1000,
+ [PHY_INTERFACE_MODE_RTBI] = SPEED_1000,
+ [PHY_INTERFACE_MODE_XGMII] = SPEED_10000
+};
+
+static struct mac_device * __cold
+alloc_macdev(struct device *dev, size_t sizeof_priv,
+ void (*setup)(struct mac_device *mac_dev))
+{
+ struct mac_device *mac_dev;
+
+ mac_dev = devm_kzalloc(dev, sizeof(*mac_dev) + sizeof_priv, GFP_KERNEL);
+ if (unlikely(!mac_dev)) {
+ mac_dev = ERR_PTR(-ENOMEM);
+ } else {
+ mac_dev->dev = dev;
+ dev_set_drvdata(dev, mac_dev);
+ setup(mac_dev);
+ }
+
+ return mac_dev;
+}
+
+static int __cold free_macdev(struct mac_device *mac_dev)
+{
+ dev_set_drvdata(mac_dev->dev, NULL);
+
+ return mac_dev->uninit(mac_dev->get_mac_handle(mac_dev));
+}
+
+static struct platform_device *dpaa_eth_add_device(int fman_id,
+ struct mac_device *mac_dev,
+ struct device_node *node)
+{
+ struct platform_device *pdev;
+ struct dpaa_eth_data data;
+ static int dpaa_eth_dev_cnt;
+ int ret;
+
+ data.mac_dev = mac_dev;
+ data.mac_hw_id = mac_dev->cell_index;
+ data.fman_hw_id = fman_id;
+ data.mac_node = node;
+
+ mutex_lock(ð_lock);
+
+ pdev = platform_device_alloc("dpaa-ethernet", dpaa_eth_dev_cnt);
+ if (!pdev) {
+ ret = -ENOMEM;
+ goto no_mem;
+ }
+
+ ret = platform_device_add_data(pdev, &data, sizeof(data));
+ if (ret)
+ goto err;
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto err;
+
+ dpaa_eth_dev_cnt++;
+ mutex_unlock(ð_lock);
+
+ return pdev;
+
+err:
+ platform_device_put(pdev);
+no_mem:
+ mutex_unlock(ð_lock);
+
+ return ERR_PTR(ret);
+}
+
+static void dpaa_eth_remove_device(struct platform_device *pdev)
+{
+ platform_device_unregister(pdev);
+}
+
+static const struct of_device_id mac_match[] = {
+ [DTSEC] = {
+ .compatible = "fsl,fman-dtsec"
+ },
+ [XGMAC] = {
+ .compatible = "fsl,fman-xgec"
+ },
+ [MEMAC] = {
+ .compatible = "fsl,fman-memac"
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mac_match);
+
+static int __cold mac_probe(struct platform_device *_of_dev)
+{
+ int _errno, i, lenp;
+ struct device *dev;
+ struct device_node *mac_node, *dev_node;
+ struct mac_device *mac_dev;
+ struct platform_device *of_dev;
+ struct resource res;
+ const u8 *mac_addr;
+ const char *char_prop;
+ const u32 *uint32_prop;
+ const struct of_device_id *match;
+ u8 fman_id;
+
+ const phandle *phandle_prop;
+
+ dev = &_of_dev->dev;
+ mac_node = dev->of_node;
+
+ match = of_match_device(mac_match, dev);
+ if (!match)
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(mac_match) - 1 && match != mac_match + i;
+ i++)
+ ;
+ BUG_ON(i >= ARRAY_SIZE(mac_match) - 1);
+
+ mac_dev = alloc_macdev(dev, mac_sizeof_priv[i], mac_setup[i]);
+ if (IS_ERR(mac_dev)) {
+ _errno = PTR_ERR(mac_dev);
+ dev_err(dev, "alloc_macdev() = %d\n", _errno);
+ goto _return;
+ }
+
+ INIT_LIST_HEAD(&mac_dev->mc_addr_list);
+
+ /* Get the FM node */
+ dev_node = of_get_parent(mac_node);
+ if (unlikely(!dev_node)) {
+ dev_err(dev, "of_get_parent(%s) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+
+ of_dev = of_find_device_by_node(dev_node);
+ if (unlikely(!of_dev)) {
+ dev_err(dev, "of_find_device_by_node(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ /* Get the FMan cell-index */
+ uint32_prop = of_get_property(dev_node, "cell-index", &lenp);
+ if (unlikely(!uint32_prop)) {
+ dev_err(dev, "of_get_property(%s, cell-index) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+ BUG_ON(lenp != sizeof(u32));
+ fman_id = (u8)*uint32_prop + 1; /* cell-index 0 => FMan id 1 */
+
+ mac_dev->fm_dev = fm_bind(&of_dev->dev);
+ if (unlikely(!mac_dev->fm_dev)) {
+ dev_err(dev, "fm_bind(%s) failed\n", dev_node->full_name);
+ _errno = -ENODEV;
+ goto _return_of_node_put;
+ }
+
+ mac_dev->fm = (void *)fm_get_handle(mac_dev->fm_dev);
+ of_node_put(dev_node);
+
+ /* Get the address of the memory mapped registers */
+ _errno = of_address_to_resource(mac_node, 0, &res);
+ if (unlikely(_errno < 0)) {
+ dev_err(dev, "of_address_to_resource(%s) = %d\n",
+ mac_node->full_name, _errno);
+ goto _return_dev_set_drvdata;
+ }
+
+ mac_dev->res =
+ __devm_request_region(dev, fm_get_mem_region(mac_dev->fm_dev),
+ res.start, res.end + 1 - res.start,
+ "mac");
+ if (unlikely(!mac_dev->res)) {
+ dev_err(dev, "__devm_request_mem_region(mac) failed\n");
+ _errno = -EBUSY;
+ goto _return_dev_set_drvdata;
+ }
+
+ mac_dev->vaddr = devm_ioremap(dev, mac_dev->res->start,
+ mac_dev->res->end + 1
+ - mac_dev->res->start);
+ if (unlikely(!mac_dev->vaddr)) {
+ dev_err(dev, "devm_ioremap() failed\n");
+ _errno = -EIO;
+ goto _return_dev_set_drvdata;
+ }
+
+#define TBIPA_OFFSET 0x1c
+#define TBIPA_DEFAULT_ADDR 5 /* override if used as external PHY addr. */
+ mac_dev->tbi_node = of_parse_phandle(mac_node, "tbi-handle", 0);
+ if (mac_dev->tbi_node) {
+ u32 tbiaddr = TBIPA_DEFAULT_ADDR;
+
+ uint32_prop = of_get_property(mac_dev->tbi_node, "reg", NULL);
+ if (uint32_prop)
+ tbiaddr = *uint32_prop;
+ out_be32(mac_dev->vaddr + TBIPA_OFFSET, tbiaddr);
+ }
+
+ if (!of_device_is_available(mac_node)) {
+ devm_iounmap(dev, mac_dev->vaddr);
+ __devm_release_region(dev, fm_get_mem_region(mac_dev->fm_dev),
+ res.start, res.end + 1 - res.start);
+ fm_unbind(mac_dev->fm_dev);
+ devm_kfree(dev, mac_dev);
+ dev_set_drvdata(dev, NULL);
+ return -ENODEV;
+ }
+
+ /* Get the cell-index */
+ uint32_prop = of_get_property(mac_node, "cell-index", &lenp);
+ if (unlikely(!uint32_prop)) {
+ dev_err(dev, "of_get_property(%s, cell-index) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ BUG_ON(lenp != sizeof(u32));
+ mac_dev->cell_index = (u8)*uint32_prop;
+
+ /* Get the MAC address */
+ mac_addr = of_get_mac_address(mac_node);
+ if (unlikely(!mac_addr)) {
+ dev_err(dev, "of_get_mac_address(%s) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ memcpy(mac_dev->addr, mac_addr, sizeof(mac_dev->addr));
+
+ /* Get the port handles */
+ phandle_prop = of_get_property(mac_node, "fsl,fman-ports", &lenp);
+ if (unlikely(!phandle_prop)) {
+ dev_err(dev, "of_get_property(%s, fsl,fman-ports) failed\n",
+ mac_node->full_name);
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+ BUG_ON(lenp != sizeof(phandle) * ARRAY_SIZE(mac_dev->port_dev));
+
+ for_each_port_device(i, mac_dev->port_dev) {
+ /* Find the port node */
+ dev_node = of_find_node_by_phandle(phandle_prop[i]);
+ if (unlikely(!dev_node)) {
+ dev_err(dev, "of_find_node_by_phandle() failed\n");
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ of_dev = of_find_device_by_node(dev_node);
+ if (unlikely(!of_dev)) {
+ dev_err(dev, "of_find_device_by_node(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+
+ mac_dev->port_dev[i] = fm_port_bind(&of_dev->dev);
+ if (unlikely(!mac_dev->port_dev[i])) {
+ dev_err(dev, "dev_get_drvdata(%s) failed\n",
+ dev_node->full_name);
+ _errno = -EINVAL;
+ goto _return_of_node_put;
+ }
+ of_node_put(dev_node);
+ }
+
+ /* Get the PHY connection type */
+ char_prop = (const char *)of_get_property(mac_node,
+ "phy-connection-type", NULL);
+ if (unlikely(!char_prop)) {
+ dev_warn(dev,
+ "of_get_property(%s, phy-connection-type) failed. Defaulting to MII\n",
+ mac_node->full_name);
+ mac_dev->phy_if = PHY_INTERFACE_MODE_MII;
+ } else {
+ mac_dev->phy_if = str2phy(char_prop);
+ }
+
+ mac_dev->link = false;
+ mac_dev->speed = phy2speed[mac_dev->phy_if];
+ mac_dev->max_speed = mac_dev->speed;
+ mac_dev->if_support = DTSEC_SUPPORTED;
+ /* We don't support half-duplex in SGMII mode */
+ if (strstr(char_prop, "sgmii"))
+ mac_dev->if_support &= ~(SUPPORTED_10baseT_Half |
+ SUPPORTED_100baseT_Half);
+
+ /* Gigabit support (no half-duplex) */
+ if (mac_dev->max_speed == 1000)
+ mac_dev->if_support |= SUPPORTED_1000baseT_Full;
+
+ /* The 10G interface only supports one mode */
+ if (strstr(char_prop, "xgmii"))
+ mac_dev->if_support = SUPPORTED_10000baseT_Full;
+
+ /* Get the rest of the PHY information */
+ mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
+ if (!mac_dev->phy_node) {
+ int sz;
+ const u32 *phy_id = of_get_property(mac_node, "fixed-link",
+ &sz);
+ if (!phy_id || sz < sizeof(*phy_id)) {
+ dev_err(dev, "No PHY (or fixed link) found\n");
+ _errno = -EINVAL;
+ goto _return_dev_set_drvdata;
+ }
+
+ sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
+ phy_id[0]);
+ }
+
+ _errno = mac_dev->init(mac_dev);
+ if (unlikely(_errno < 0)) {
+ dev_err(dev, "mac_dev->init() = %d\n", _errno);
+ goto _return_dev_set_drvdata;
+ }
+
+ /* pause frame autonegotiation enabled*/
+ mac_dev->autoneg_pause = true;
+
+ /* by intializing the values to false, force FMD to enable PAUSE frames
+ * on RX and TX
+ */
+ mac_dev->rx_pause_req = true;
+ mac_dev->tx_pause_req = true;
+ mac_dev->rx_pause_active = false;
+ mac_dev->tx_pause_active = false;
+ _errno = set_mac_active_pause(mac_dev, true, true);
+ if (unlikely(_errno < 0))
+ dev_err(dev, "set_mac_active_pause() = %d\n", _errno);
+
+ dev_info(dev,
+ "FMan MAC address: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+ mac_dev->addr[0], mac_dev->addr[1], mac_dev->addr[2],
+ mac_dev->addr[3], mac_dev->addr[4], mac_dev->addr[5]);
+
+ mac_dev->eth_dev = dpaa_eth_add_device(fman_id, mac_dev,
+ mac_node);
+ if (IS_ERR(mac_dev->eth_dev)) {
+ dev_err(dev, "failed to add Ethernet platform device for MAC %d\n",
+ mac_dev->cell_index);
+ mac_dev->eth_dev = NULL;
+ }
+
+ goto _return;
+
+_return_of_node_put:
+ of_node_put(dev_node);
+_return_dev_set_drvdata:
+ dev_set_drvdata(dev, NULL);
+_return:
+ return _errno;
+}
+
+static int __cold mac_remove(struct platform_device *of_dev)
+{
+ int i, _errno;
+ struct device *dev;
+ struct mac_device *mac_dev;
+
+ dev = &of_dev->dev;
+ mac_dev = (struct mac_device *)dev_get_drvdata(dev);
+
+ dpaa_eth_remove_device(mac_dev->eth_dev);
+
+ for_each_port_device(i, mac_dev->port_dev)
+ fm_port_unbind(mac_dev->port_dev[i]);
+
+ fm_unbind(mac_dev->fm_dev);
+
+ _errno = free_macdev(mac_dev);
+
+ return _errno;
+}
+
+static struct platform_driver mac_driver = {
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .of_match_table = mac_match,
+ .owner = THIS_MODULE,
+ },
+ .probe = mac_probe,
+ .remove = mac_remove
+};
+
+static int __init __cold mac_load(void)
+{
+ int _errno;
+
+ pr_debug(KBUILD_MODNAME ": -> %s:%s()\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ pr_info(KBUILD_MODNAME ": %s\n",
+ mac_driver_description);
+
+ _errno = platform_driver_register(&mac_driver);
+ if (unlikely(_errno < 0)) {
+ pr_err(KBUILD_MODNAME ": %s:%hu:%s(): platform_driver_register() = %d\n",
+ KBUILD_BASENAME ".c", __LINE__, __func__, _errno);
+ goto _return;
+ }
+
+ goto _return;
+
+_return:
+ pr_debug(KBUILD_MODNAME ": %s:%s() ->\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ return _errno;
+}
+module_init(mac_load);
+
+static void __exit __cold mac_unload(void)
+{
+ pr_debug(KBUILD_MODNAME ": -> %s:%s()\n",
+ KBUILD_BASENAME ".c", __func__);
+
+ platform_driver_unregister(&mac_driver);
+
+ pr_debug(KBUILD_MODNAME ": %s:%s() ->\n",
+ KBUILD_BASENAME ".c", __func__);
+}
+module_exit(mac_unload);
--
1.7.11.7
^ permalink raw reply related [flat|nested] 13+ messages in thread
* Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
2015-04-29 9:29 ` Igal.Liberman
@ 2015-07-20 12:16 ` Joakim Tjernlund
-1 siblings, 0 replies; 13+ messages in thread
From: Joakim Tjernlund @ 2015-07-20 12:16 UTC (permalink / raw)
To: netdev@vger.kernel.org, igal.liberman@freescale.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
madalin.bucur@freescale.com
On Wed, 2015-04-29 at 12:29 +0300, Igal.Liberman wrote:
> From: Igal Liberman <Igal.Liberman@freescale.com>
>=20
> This patch adds the Ethernet MAC driver support.
>=20
> Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
> ---
> drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
> drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
> drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605 +++++++++++++++=
++++++
> drivers/net/ethernet/freescale/fman/mac/mac.c | 527 +++++++++++++++=
+++
> 4 files changed, 1259 insertions(+), 1 deletion(-)
> create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
> create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
> create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
>=20
> diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h b/drivers/net/=
ethernet/freescale/fman/inc/mac.h
> new file mode 100644
> index 0000000..2d27331
> --- /dev/null
> +++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
.....
> + /* Get the rest of the PHY information */
> + mac_dev->phy_node =3D of_parse_phandle(mac_node, "phy-handle", 0);
> + if (!mac_dev->phy_node) {
> + int sz;
> + const u32 *phy_id =3D of_get_property(mac_node, "fixed-link",
> + &sz);
> + if (!phy_id || sz < sizeof(*phy_id)) {
> + dev_err(dev, "No PHY (or fixed link) found\n");
> + _errno =3D -EINVAL;
> + goto _return_dev_set_drvdata;
> + }
> +
> + sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
> + phy_id[0]);
> + }
The above for fixed PHY does not work for me, changing it to does:
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c b/drivers/net/et=
hernet/freescale/fman/mac/mac.c
index 4eb8f7c..a8be96a 100644
--- a/drivers/net/ethernet/freescale/fman/mac/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
@@ -42,6 +42,7 @@
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/device.h>
#include <linux/phy.h>
@@ -399,7 +400,7 @@ static int __cold mac_probe(struct platform_device *_of=
_dev)
=20
/* Get the rest of the PHY information */
mac_dev->phy_node =3D of_parse_phandle(mac_node, "phy-handle", 0);
- if (!mac_dev->phy_node) {
+ if (0 && !mac_dev->phy_node) {
int sz;
const u32 *phy_id =3D of_get_property(mac_node, "fixed-link=
",
&sz);
@@ -412,6 +413,16 @@ static int __cold mac_probe(struct platform_device *_o=
f_dev)
sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
phy_id[0]);
}
+ if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
+ /*
+ * In the case of a fixed PHY, the DT node associated
+ * to the PHY is the Ethernet MAC DT node.
+ */
+ _errno =3D of_phy_register_fixed_link(mac_node);
+ if (_errno)
+ return _errno;
+ mac_dev->phy_node =3D of_node_get(mac_node);
+ }=
^ permalink raw reply related [flat|nested] 13+ messages in thread
* Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
@ 2015-07-20 12:16 ` Joakim Tjernlund
0 siblings, 0 replies; 13+ messages in thread
From: Joakim Tjernlund @ 2015-07-20 12:16 UTC (permalink / raw)
To: netdev@vger.kernel.org, igal.liberman@freescale.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
madalin.bucur@freescale.com
On Wed, 2015-04-29 at 12:29 +0300, Igal.Liberman wrote:
> From: Igal Liberman <Igal.Liberman@freescale.com>
>
> This patch adds the Ethernet MAC driver support.
>
> Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
> ---
> drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
> drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
> drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605 +++++++++++++++++++++
> drivers/net/ethernet/freescale/fman/mac/mac.c | 527 ++++++++++++++++++
> 4 files changed, 1259 insertions(+), 1 deletion(-)
> create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
> create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
> create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
>
> diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h b/drivers/net/ethernet/freescale/fman/inc/mac.h
> new file mode 100644
> index 0000000..2d27331
> --- /dev/null
> +++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
.....
> + /* Get the rest of the PHY information */
> + mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
> + if (!mac_dev->phy_node) {
> + int sz;
> + const u32 *phy_id = of_get_property(mac_node, "fixed-link",
> + &sz);
> + if (!phy_id || sz < sizeof(*phy_id)) {
> + dev_err(dev, "No PHY (or fixed link) found\n");
> + _errno = -EINVAL;
> + goto _return_dev_set_drvdata;
> + }
> +
> + sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
> + phy_id[0]);
> + }
The above for fixed PHY does not work for me, changing it to does:
diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c b/drivers/net/ethernet/freescale/fman/mac/mac.c
index 4eb8f7c..a8be96a 100644
--- a/drivers/net/ethernet/freescale/fman/mac/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
@@ -42,6 +42,7 @@
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/device.h>
#include <linux/phy.h>
@@ -399,7 +400,7 @@ static int __cold mac_probe(struct platform_device *_of_dev)
/* Get the rest of the PHY information */
mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
- if (!mac_dev->phy_node) {
+ if (0 && !mac_dev->phy_node) {
int sz;
const u32 *phy_id = of_get_property(mac_node, "fixed-link",
&sz);
@@ -412,6 +413,16 @@ static int __cold mac_probe(struct platform_device *_of_dev)
sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
phy_id[0]);
}
+ if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
+ /*
+ * In the case of a fixed PHY, the DT node associated
+ * to the PHY is the Ethernet MAC DT node.
+ */
+ _errno = of_phy_register_fixed_link(mac_node);
+ if (_errno)
+ return _errno;
+ mac_dev->phy_node = of_node_get(mac_node);
+ }
^ permalink raw reply related [flat|nested] 13+ messages in thread
* RE: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
2015-07-20 12:16 ` Joakim Tjernlund
@ 2015-07-20 12:28 ` Madalin-Cristian Bucur
-1 siblings, 0 replies; 13+ messages in thread
From: Madalin-Cristian Bucur @ 2015-07-20 12:28 UTC (permalink / raw)
To: Joakim Tjernlund, netdev@vger.kernel.org, Liberman Igal
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Hi Joakim,
It seems we just need to align to the API introduced by Thomas Petazzoni
in 3be2a49e.
Madalin
> -----Original Message-----
> From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode.se]
> Sent: Monday, July 20, 2015 3:16 PM
> To: netdev@vger.kernel.org; Liberman Igal-B31950
> Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org; Bucur
> Madalin-Cristian-B32716
> Subject: Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
>=20
> On Wed, 2015-04-29 at 12:29 +0300, Igal.Liberman wrote:
> > From: Igal Liberman <Igal.Liberman@freescale.com>
> >
> > This patch adds the Ethernet MAC driver support.
> >
> > Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
> > ---
> > drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
> > drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
> > drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605
> +++++++++++++++++++++
> > drivers/net/ethernet/freescale/fman/mac/mac.c | 527
> ++++++++++++++++++
> > 4 files changed, 1259 insertions(+), 1 deletion(-)
> > create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
> > create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
> > create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
> >
> > diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h
> b/drivers/net/ethernet/freescale/fman/inc/mac.h
> > new file mode 100644
> > index 0000000..2d27331
> > --- /dev/null
> > +++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
> .....
> > + /* Get the rest of the PHY information */
> > + mac_dev->phy_node =3D of_parse_phandle(mac_node, "phy-handle",
> 0);
> > + if (!mac_dev->phy_node) {
> > + int sz;
> > + const u32 *phy_id =3D of_get_property(mac_node, "fixed-
> link",
> > + &sz);
> > + if (!phy_id || sz < sizeof(*phy_id)) {
> > + dev_err(dev, "No PHY (or fixed link) found\n");
> > + _errno =3D -EINVAL;
> > + goto _return_dev_set_drvdata;
> > + }
> > +
> > + sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
> > + phy_id[0]);
> > + }
>=20
> The above for fixed PHY does not work for me, changing it to does:
>=20
> diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c
> b/drivers/net/ethernet/freescale/fman/mac/mac.c
> index 4eb8f7c..a8be96a 100644
> --- a/drivers/net/ethernet/freescale/fman/mac/mac.c
> +++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
> @@ -42,6 +42,7 @@
> #include <linux/module.h>
> #include <linux/of_address.h>
> #include <linux/of_platform.h>
> +#include <linux/of_mdio.h>
> #include <linux/of_net.h>
> #include <linux/device.h>
> #include <linux/phy.h>
> @@ -399,7 +400,7 @@ static int __cold mac_probe(struct platform_device
> *_of_dev)
>=20
> /* Get the rest of the PHY information */
> mac_dev->phy_node =3D of_parse_phandle(mac_node, "phy-handle", 0)=
;
> - if (!mac_dev->phy_node) {
> + if (0 && !mac_dev->phy_node) {
> int sz;
> const u32 *phy_id =3D of_get_property(mac_node, "fixed-li=
nk",
> &sz);
> @@ -412,6 +413,16 @@ static int __cold mac_probe(struct platform_device
> *_of_dev)
> sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
> phy_id[0]);
> }
> + if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
> + /*
> + * In the case of a fixed PHY, the DT node associated
> + * to the PHY is the Ethernet MAC DT node.
> + */
> + _errno =3D of_phy_register_fixed_link(mac_node);
> + if (_errno)
> + return _errno;
> + mac_dev->phy_node =3D of_node_get(mac_node);
> + }
^ permalink raw reply [flat|nested] 13+ messages in thread
* RE: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
@ 2015-07-20 12:28 ` Madalin-Cristian Bucur
0 siblings, 0 replies; 13+ messages in thread
From: Madalin-Cristian Bucur @ 2015-07-20 12:28 UTC (permalink / raw)
To: Joakim Tjernlund, netdev@vger.kernel.org, Liberman Igal
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Hi Joakim,
It seems we just need to align to the API introduced by Thomas Petazzoni
in 3be2a49e.
Madalin
> -----Original Message-----
> From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode.se]
> Sent: Monday, July 20, 2015 3:16 PM
> To: netdev@vger.kernel.org; Liberman Igal-B31950
> Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org; Bucur
> Madalin-Cristian-B32716
> Subject: Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
>
> On Wed, 2015-04-29 at 12:29 +0300, Igal.Liberman wrote:
> > From: Igal Liberman <Igal.Liberman@freescale.com>
> >
> > This patch adds the Ethernet MAC driver support.
> >
> > Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
> > ---
> > drivers/net/ethernet/freescale/fman/inc/mac.h | 125 +++++
> > drivers/net/ethernet/freescale/fman/mac/Makefile | 3 +-
> > drivers/net/ethernet/freescale/fman/mac/mac-api.c | 605
> +++++++++++++++++++++
> > drivers/net/ethernet/freescale/fman/mac/mac.c | 527
> ++++++++++++++++++
> > 4 files changed, 1259 insertions(+), 1 deletion(-)
> > create mode 100644 drivers/net/ethernet/freescale/fman/inc/mac.h
> > create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac-api.c
> > create mode 100644 drivers/net/ethernet/freescale/fman/mac/mac.c
> >
> > diff --git a/drivers/net/ethernet/freescale/fman/inc/mac.h
> b/drivers/net/ethernet/freescale/fman/inc/mac.h
> > new file mode 100644
> > index 0000000..2d27331
> > --- /dev/null
> > +++ b/drivers/net/ethernet/freescale/fman/inc/mac.h
> .....
> > + /* Get the rest of the PHY information */
> > + mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle",
> 0);
> > + if (!mac_dev->phy_node) {
> > + int sz;
> > + const u32 *phy_id = of_get_property(mac_node, "fixed-
> link",
> > + &sz);
> > + if (!phy_id || sz < sizeof(*phy_id)) {
> > + dev_err(dev, "No PHY (or fixed link) found\n");
> > + _errno = -EINVAL;
> > + goto _return_dev_set_drvdata;
> > + }
> > +
> > + sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
> > + phy_id[0]);
> > + }
>
> The above for fixed PHY does not work for me, changing it to does:
>
> diff --git a/drivers/net/ethernet/freescale/fman/mac/mac.c
> b/drivers/net/ethernet/freescale/fman/mac/mac.c
> index 4eb8f7c..a8be96a 100644
> --- a/drivers/net/ethernet/freescale/fman/mac/mac.c
> +++ b/drivers/net/ethernet/freescale/fman/mac/mac.c
> @@ -42,6 +42,7 @@
> #include <linux/module.h>
> #include <linux/of_address.h>
> #include <linux/of_platform.h>
> +#include <linux/of_mdio.h>
> #include <linux/of_net.h>
> #include <linux/device.h>
> #include <linux/phy.h>
> @@ -399,7 +400,7 @@ static int __cold mac_probe(struct platform_device
> *_of_dev)
>
> /* Get the rest of the PHY information */
> mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
> - if (!mac_dev->phy_node) {
> + if (0 && !mac_dev->phy_node) {
> int sz;
> const u32 *phy_id = of_get_property(mac_node, "fixed-link",
> &sz);
> @@ -412,6 +413,16 @@ static int __cold mac_probe(struct platform_device
> *_of_dev)
> sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0",
> phy_id[0]);
> }
> + if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
> + /*
> + * In the case of a fixed PHY, the DT node associated
> + * to the PHY is the Ethernet MAC DT node.
> + */
> + _errno = of_phy_register_fixed_link(mac_node);
> + if (_errno)
> + return _errno;
> + mac_dev->phy_node = of_node_get(mac_node);
> + }
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
2015-07-20 12:28 ` Madalin-Cristian Bucur
@ 2015-07-20 12:57 ` Joakim Tjernlund
-1 siblings, 0 replies; 13+ messages in thread
From: Joakim Tjernlund @ 2015-07-20 12:57 UTC (permalink / raw)
To: netdev@vger.kernel.org, Igal.Liberman@freescale.com,
madalin.bucur@freescale.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
On Mon, 2015-07-20 at 12:28 +0000, Madalin-Cristian Bucur wrote:
> Hi Joakim,
>=20
> It seems we just need to align to the API introduced by Thomas Petazzoni
> in 3be2a49e.
>=20
> Madalin
So it seems, any idea when the next spin will be ready?
Could you also push it onto=20
http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/
?
Jocke=
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
@ 2015-07-20 12:57 ` Joakim Tjernlund
0 siblings, 0 replies; 13+ messages in thread
From: Joakim Tjernlund @ 2015-07-20 12:57 UTC (permalink / raw)
To: netdev@vger.kernel.org, Igal.Liberman@freescale.com,
madalin.bucur@freescale.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
On Mon, 2015-07-20 at 12:28 +0000, Madalin-Cristian Bucur wrote:
> Hi Joakim,
>
> It seems we just need to align to the API introduced by Thomas Petazzoni
> in 3be2a49e.
>
> Madalin
So it seems, any idea when the next spin will be ready?
Could you also push it onto
http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/
?
Jocke
^ permalink raw reply [flat|nested] 13+ messages in thread
* RE: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
2015-07-20 12:57 ` Joakim Tjernlund
@ 2015-07-20 13:33 ` Madalin-Cristian Bucur
-1 siblings, 0 replies; 13+ messages in thread
From: Madalin-Cristian Bucur @ 2015-07-20 13:33 UTC (permalink / raw)
To: Joakim Tjernlund, netdev@vger.kernel.org, Liberman Igal
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
> -----Original Message-----
> From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode.se]
> Sent: Monday, July 20, 2015 3:57 PM
> To: netdev@vger.kernel.org; Liberman Igal-B31950; Bucur Madalin-Cristian-
> B32716
> Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org
> Subject: Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
>=20
> On Mon, 2015-07-20 at 12:28 +0000, Madalin-Cristian Bucur wrote:
> > Hi Joakim,
> >
> > It seems we just need to align to the API introduced by Thomas Petazzon=
i
> > in 3be2a49e.
> >
> > Madalin
>=20
> So it seems, any idea when the next spin will be ready?
> Could you also push it onto
> http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/
> ?
>=20
> Jocke
We're working on addressing all the feedback received to date (you've just =
added
a bit more) then we'll re-submit the FMan driver together with the DPAA Eth=
ernet
driver. A push in the public git is also going to take place after the patc=
hes are sent
for review.
Madalin
^ permalink raw reply [flat|nested] 13+ messages in thread
* RE: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
@ 2015-07-20 13:33 ` Madalin-Cristian Bucur
0 siblings, 0 replies; 13+ messages in thread
From: Madalin-Cristian Bucur @ 2015-07-20 13:33 UTC (permalink / raw)
To: Joakim Tjernlund, netdev@vger.kernel.org, Liberman Igal
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
> -----Original Message-----
> From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode.se]
> Sent: Monday, July 20, 2015 3:57 PM
> To: netdev@vger.kernel.org; Liberman Igal-B31950; Bucur Madalin-Cristian-
> B32716
> Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org
> Subject: Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
>
> On Mon, 2015-07-20 at 12:28 +0000, Madalin-Cristian Bucur wrote:
> > Hi Joakim,
> >
> > It seems we just need to align to the API introduced by Thomas Petazzoni
> > in 3be2a49e.
> >
> > Madalin
>
> So it seems, any idea when the next spin will be ready?
> Could you also push it onto
> http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/
> ?
>
> Jocke
We're working on addressing all the feedback received to date (you've just added
a bit more) then we'll re-submit the FMan driver together with the DPAA Ethernet
driver. A push in the public git is also going to take place after the patches are sent
for review.
Madalin
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
2015-07-20 13:33 ` Madalin-Cristian Bucur
@ 2015-07-21 13:44 ` Joakim Tjernlund
-1 siblings, 0 replies; 13+ messages in thread
From: Joakim Tjernlund @ 2015-07-21 13:44 UTC (permalink / raw)
To: netdev@vger.kernel.org, Igal.Liberman@freescale.com,
madalin.bucur@freescale.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
On Mon, 2015-07-20 at 13:33 +0000, Madalin-Cristian Bucur wrote:
> > -----Original Message-----
> > From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode.se]
> > Sent: Monday, July 20, 2015 3:57 PM
> > To: netdev@vger.kernel.org; Liberman Igal-B31950; Bucur Madalin-Cristia=
n-
> > B32716
> > Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org
> > Subject: Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
> >=20
> > On Mon, 2015-07-20 at 12:28 +0000, Madalin-Cristian Bucur wrote:
> > > Hi Joakim,
> > >=20
> > > It seems we just need to align to the API introduced by Thomas Petazz=
oni
> > > in 3be2a49e.
> > >=20
> > > Madalin
> >=20
> > So it seems, any idea when the next spin will be ready?
> > Could you also push it onto
> > http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/
> > ?
> >=20
> > Jocke
>=20
> We're working on addressing all the feedback received to date (you've jus=
t added
> a bit more) then we'll re-submit the FMan driver together with the DPAA E=
thernet
> driver. A push in the public git is also going to take place after the pa=
tches are sent
> for review.
Hi again
Now I got to actually use PHY less(aka. Fixed PHY) too. I had to hack AN of=
f for all such links
to get a 1000 SGMII link working:
--- a/drivers/net/ethernet/freescale/fman/mac/memac.c
+++ b/drivers/net/ethernet/freescale/fman/mac/memac.c
@@ -80,7 +80,10 @@ static void setup_sgmii_internal_phy(struct memac_t *p_m=
emac, uint8_t phy_addr)
ENET_SPEED_1000);
=20
/* SGMII mode + AN enable */
- tmp_reg16 =3D PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
+ //tmp_reg16 =3D PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
+ tmp_reg16 =3D PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII | 0x8;
+ if (p_memac->mac_id !=3D 0)
+ tmp_reg16 &=3D ~PHY_SGMII_IF_MODE_AN;
memac_mii_write_phy_reg(p_memac, phy_addr, 0x14, tmp_reg16);
=20
/* Device ability according to SGMII specification */
@@ -104,6 +107,8 @@ static void setup_sgmii_internal_phy(struct memac_t *p_=
memac, uint8_t phy_addr)
=20
/* Restart AN */
tmp_reg16 =3D PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN;
+ if (p_memac->mac_id !=3D 0)
+ tmp_reg16 &=3D ~0x1000;
memac_mii_write_phy_reg(p_memac, phy_addr, 0x0, tmp_reg16);
=20
/* Restore original enet mode */
Could you please fix this too?
Jocke=
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
@ 2015-07-21 13:44 ` Joakim Tjernlund
0 siblings, 0 replies; 13+ messages in thread
From: Joakim Tjernlund @ 2015-07-21 13:44 UTC (permalink / raw)
To: netdev@vger.kernel.org, Igal.Liberman@freescale.com,
madalin.bucur@freescale.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
On Mon, 2015-07-20 at 13:33 +0000, Madalin-Cristian Bucur wrote:
> > -----Original Message-----
> > From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode.se]
> > Sent: Monday, July 20, 2015 3:57 PM
> > To: netdev@vger.kernel.org; Liberman Igal-B31950; Bucur Madalin-Cristian-
> > B32716
> > Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org
> > Subject: Re: [RFC,v3,12/12] fsl/fman: Add FMan MAC driver
> >
> > On Mon, 2015-07-20 at 12:28 +0000, Madalin-Cristian Bucur wrote:
> > > Hi Joakim,
> > >
> > > It seems we just need to align to the API introduced by Thomas Petazzoni
> > > in 3be2a49e.
> > >
> > > Madalin
> >
> > So it seems, any idea when the next spin will be ready?
> > Could you also push it onto
> > http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/
> > ?
> >
> > Jocke
>
> We're working on addressing all the feedback received to date (you've just added
> a bit more) then we'll re-submit the FMan driver together with the DPAA Ethernet
> driver. A push in the public git is also going to take place after the patches are sent
> for review.
Hi again
Now I got to actually use PHY less(aka. Fixed PHY) too. I had to hack AN off for all such links
to get a 1000 SGMII link working:
--- a/drivers/net/ethernet/freescale/fman/mac/memac.c
+++ b/drivers/net/ethernet/freescale/fman/mac/memac.c
@@ -80,7 +80,10 @@ static void setup_sgmii_internal_phy(struct memac_t *p_memac, uint8_t phy_addr)
ENET_SPEED_1000);
/* SGMII mode + AN enable */
- tmp_reg16 = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
+ //tmp_reg16 = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
+ tmp_reg16 = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII | 0x8;
+ if (p_memac->mac_id != 0)
+ tmp_reg16 &= ~PHY_SGMII_IF_MODE_AN;
memac_mii_write_phy_reg(p_memac, phy_addr, 0x14, tmp_reg16);
/* Device ability according to SGMII specification */
@@ -104,6 +107,8 @@ static void setup_sgmii_internal_phy(struct memac_t *p_memac, uint8_t phy_addr)
/* Restart AN */
tmp_reg16 = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN;
+ if (p_memac->mac_id != 0)
+ tmp_reg16 &= ~0x1000;
memac_mii_write_phy_reg(p_memac, phy_addr, 0x0, tmp_reg16);
/* Restore original enet mode */
Could you please fix this too?
Jocke
^ permalink raw reply [flat|nested] 13+ messages in thread
end of thread, other threads:[~2015-07-21 13:45 UTC | newest]
Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-04-29 9:29 [RFC,v3,12/12] fsl/fman: Add FMan MAC driver Igal.Liberman
2015-04-29 9:29 ` Igal.Liberman
2015-07-20 12:16 ` Joakim Tjernlund
2015-07-20 12:16 ` Joakim Tjernlund
2015-07-20 12:28 ` Madalin-Cristian Bucur
2015-07-20 12:28 ` Madalin-Cristian Bucur
2015-07-20 12:57 ` Joakim Tjernlund
2015-07-20 12:57 ` Joakim Tjernlund
2015-07-20 13:33 ` Madalin-Cristian Bucur
2015-07-20 13:33 ` Madalin-Cristian Bucur
2015-07-21 13:44 ` Joakim Tjernlund
2015-07-21 13:44 ` Joakim Tjernlund
-- strict thread matches above, loose matches on Subject: below --
2015-05-07 13:05 [RFC,v3 01/12] fsl/fman: Add the FMan FLIB headers Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 02/12] fsl/fman: Add the FMan FLIB Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 03/12] fsl/fman: Add the FMan port FLIB headers Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 04/12] fsl/fman: Add the FMan port FLIB Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 05/12] fsl/fman: Add the FMan MAC FLIB headers Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 06/12] fsl/fman: Add the FMan MAC FLIB Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 07/12] fsl/fman: Add FMan MURAM support Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 08/12] fsl/fman: Add Frame Manager support Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 09/12] fsl/fman: Add FMan MAC support Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 10/12] fsl/fman: Add FMan SP support Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 11/12] fsl/fman: Add FMan Port Support Madalin Bucur
2015-05-07 13:05 ` [RFC,v3 12/12] fsl/fman: Add FMan MAC driver Madalin Bucur
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.