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-rw-r--r--drivers/net/ethernet/freescale/fman/fman_tgec.c164
1 files changed, 83 insertions, 81 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c
index 311c1906e044..5a4be54ad459 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c
@@ -1,39 +1,13 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
/*
- * 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.
+ * Copyright 2008 - 2015 Freescale Semiconductor Inc.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "fman_tgec.h"
#include "fman.h"
+#include "mac.h"
#include <linux/slab.h>
#include <linux/bitrev.h>
@@ -206,7 +180,7 @@ struct fman_mac {
/* MAC address of device; */
u64 addr;
u16 max_speed;
- void *dev_id; /* device cookie used by the exception cbs */
+ struct mac_device *dev_id; /* device cookie used by the exception cbs */
fman_mac_exception_cb *exception_cb;
fman_mac_exception_cb *event_cb;
/* pointer to driver's global address hash table */
@@ -419,7 +393,7 @@ static bool is_init_done(struct tgec_cfg *cfg)
return false;
}
-int tgec_enable(struct fman_mac *tgec, enum comm_mode mode)
+static int tgec_enable(struct fman_mac *tgec)
{
struct tgec_regs __iomem *regs = tgec->regs;
u32 tmp;
@@ -428,34 +402,25 @@ int tgec_enable(struct fman_mac *tgec, enum comm_mode mode)
return -EINVAL;
tmp = ioread32be(&regs->command_config);
- if (mode & COMM_MODE_RX)
- tmp |= CMD_CFG_RX_EN;
- if (mode & COMM_MODE_TX)
- tmp |= CMD_CFG_TX_EN;
+ tmp |= CMD_CFG_RX_EN | CMD_CFG_TX_EN;
iowrite32be(tmp, &regs->command_config);
return 0;
}
-int tgec_disable(struct fman_mac *tgec, enum comm_mode mode)
+static void tgec_disable(struct fman_mac *tgec)
{
struct tgec_regs __iomem *regs = tgec->regs;
u32 tmp;
- if (!is_init_done(tgec->cfg))
- return -EINVAL;
+ WARN_ON_ONCE(!is_init_done(tgec->cfg));
tmp = ioread32be(&regs->command_config);
- if (mode & COMM_MODE_RX)
- tmp &= ~CMD_CFG_RX_EN;
- if (mode & COMM_MODE_TX)
- tmp &= ~CMD_CFG_TX_EN;
+ tmp &= ~(CMD_CFG_RX_EN | CMD_CFG_TX_EN);
iowrite32be(tmp, &regs->command_config);
-
- return 0;
}
-int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val)
+static int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val)
{
struct tgec_regs __iomem *regs = tgec->regs;
u32 tmp;
@@ -473,18 +438,9 @@ int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val)
return 0;
}
-int tgec_cfg_max_frame_len(struct fman_mac *tgec, u16 new_val)
-{
- if (is_init_done(tgec->cfg))
- return -EINVAL;
-
- tgec->cfg->max_frame_length = new_val;
-
- return 0;
-}
-
-int tgec_set_tx_pause_frames(struct fman_mac *tgec, u8 __maybe_unused priority,
- u16 pause_time, u16 __maybe_unused thresh_time)
+static int tgec_set_tx_pause_frames(struct fman_mac *tgec,
+ u8 __maybe_unused priority, u16 pause_time,
+ u16 __maybe_unused thresh_time)
{
struct tgec_regs __iomem *regs = tgec->regs;
@@ -496,7 +452,7 @@ int tgec_set_tx_pause_frames(struct fman_mac *tgec, u8 __maybe_unused priority,
return 0;
}
-int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en)
+static int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en)
{
struct tgec_regs __iomem *regs = tgec->regs;
u32 tmp;
@@ -514,7 +470,8 @@ int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en)
return 0;
}
-int tgec_modify_mac_address(struct fman_mac *tgec, const enet_addr_t *p_enet_addr)
+static int tgec_modify_mac_address(struct fman_mac *tgec,
+ const enet_addr_t *p_enet_addr)
{
if (!is_init_done(tgec->cfg))
return -EINVAL;
@@ -525,7 +482,8 @@ int tgec_modify_mac_address(struct fman_mac *tgec, const enet_addr_t *p_enet_add
return 0;
}
-int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
+static int tgec_add_hash_mac_address(struct fman_mac *tgec,
+ enet_addr_t *eth_addr)
{
struct tgec_regs __iomem *regs = tgec->regs;
struct eth_hash_entry *hash_entry;
@@ -562,7 +520,7 @@ int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
return 0;
}
-int tgec_set_allmulti(struct fman_mac *tgec, bool enable)
+static int tgec_set_allmulti(struct fman_mac *tgec, bool enable)
{
u32 entry;
struct tgec_regs __iomem *regs = tgec->regs;
@@ -585,7 +543,7 @@ int tgec_set_allmulti(struct fman_mac *tgec, bool enable)
return 0;
}
-int tgec_set_tstamp(struct fman_mac *tgec, bool enable)
+static int tgec_set_tstamp(struct fman_mac *tgec, bool enable)
{
struct tgec_regs __iomem *regs = tgec->regs;
u32 tmp;
@@ -605,7 +563,8 @@ int tgec_set_tstamp(struct fman_mac *tgec, bool enable)
return 0;
}
-int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
+static int tgec_del_hash_mac_address(struct fman_mac *tgec,
+ enet_addr_t *eth_addr)
{
struct tgec_regs __iomem *regs = tgec->regs;
struct eth_hash_entry *hash_entry = NULL;
@@ -642,20 +601,15 @@ int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
return 0;
}
-int tgec_get_version(struct fman_mac *tgec, u32 *mac_version)
+static void tgec_adjust_link(struct mac_device *mac_dev)
{
- struct tgec_regs __iomem *regs = tgec->regs;
-
- if (!is_init_done(tgec->cfg))
- return -EINVAL;
+ struct phy_device *phy_dev = mac_dev->phy_dev;
- *mac_version = ioread32be(&regs->tgec_id);
-
- return 0;
+ mac_dev->update_speed(mac_dev, phy_dev->speed);
}
-int tgec_set_exception(struct fman_mac *tgec,
- enum fman_mac_exceptions exception, bool enable)
+static int tgec_set_exception(struct fman_mac *tgec,
+ enum fman_mac_exceptions exception, bool enable)
{
struct tgec_regs __iomem *regs = tgec->regs;
u32 bit_mask = 0;
@@ -681,7 +635,7 @@ int tgec_set_exception(struct fman_mac *tgec,
return 0;
}
-int tgec_init(struct fman_mac *tgec)
+static int tgec_init(struct fman_mac *tgec)
{
struct tgec_cfg *cfg;
enet_addr_t eth_addr;
@@ -764,7 +718,7 @@ int tgec_init(struct fman_mac *tgec)
return 0;
}
-int tgec_free(struct fman_mac *tgec)
+static int tgec_free(struct fman_mac *tgec)
{
free_init_resources(tgec);
@@ -774,13 +728,12 @@ int tgec_free(struct fman_mac *tgec)
return 0;
}
-struct fman_mac *tgec_config(struct fman_mac_params *params)
+static struct fman_mac *tgec_config(struct mac_device *mac_dev,
+ struct fman_mac_params *params)
{
struct fman_mac *tgec;
struct tgec_cfg *cfg;
- void __iomem *base_addr;
- base_addr = params->base_addr;
/* allocate memory for the UCC GETH data structure. */
tgec = kzalloc(sizeof(*tgec), GFP_KERNEL);
if (!tgec)
@@ -798,8 +751,8 @@ struct fman_mac *tgec_config(struct fman_mac_params *params)
set_dflts(cfg);
- tgec->regs = base_addr;
- tgec->addr = ENET_ADDR_TO_UINT64(params->addr);
+ tgec->regs = mac_dev->vaddr;
+ tgec->addr = ENET_ADDR_TO_UINT64(mac_dev->addr);
tgec->max_speed = params->max_speed;
tgec->mac_id = params->mac_id;
tgec->exceptions = (TGEC_IMASK_MDIO_SCAN_EVENT |
@@ -819,7 +772,7 @@ struct fman_mac *tgec_config(struct fman_mac_params *params)
TGEC_IMASK_RX_ALIGN_ER);
tgec->exception_cb = params->exception_cb;
tgec->event_cb = params->event_cb;
- tgec->dev_id = params->dev_id;
+ tgec->dev_id = mac_dev;
tgec->fm = params->fm;
/* Save FMan revision */
@@ -827,3 +780,52 @@ struct fman_mac *tgec_config(struct fman_mac_params *params)
return tgec;
}
+
+int tgec_initialization(struct mac_device *mac_dev,
+ struct device_node *mac_node,
+ struct fman_mac_params *params)
+{
+ int err;
+ struct fman_mac *tgec;
+
+ mac_dev->set_promisc = tgec_set_promiscuous;
+ mac_dev->change_addr = tgec_modify_mac_address;
+ mac_dev->add_hash_mac_addr = tgec_add_hash_mac_address;
+ mac_dev->remove_hash_mac_addr = tgec_del_hash_mac_address;
+ mac_dev->set_tx_pause = tgec_set_tx_pause_frames;
+ mac_dev->set_rx_pause = tgec_accept_rx_pause_frames;
+ mac_dev->set_exception = tgec_set_exception;
+ mac_dev->set_allmulti = tgec_set_allmulti;
+ mac_dev->set_tstamp = tgec_set_tstamp;
+ mac_dev->set_multi = fman_set_multi;
+ mac_dev->adjust_link = tgec_adjust_link;
+ mac_dev->enable = tgec_enable;
+ mac_dev->disable = tgec_disable;
+
+ mac_dev->fman_mac = tgec_config(mac_dev, params);
+ if (!mac_dev->fman_mac) {
+ err = -EINVAL;
+ goto _return;
+ }
+
+ tgec = mac_dev->fman_mac;
+ tgec->cfg->max_frame_length = fman_get_max_frm();
+ err = tgec_init(tgec);
+ if (err < 0)
+ goto _return_fm_mac_free;
+
+ /* For 10G MAC, disable Tx ECC exception */
+ err = tgec_set_exception(tgec, FM_MAC_EX_10G_TX_ECC_ER, false);
+ if (err < 0)
+ goto _return_fm_mac_free;
+
+ pr_info("FMan XGEC version: 0x%08x\n",
+ ioread32be(&tgec->regs->tgec_id));
+ goto _return;
+
+_return_fm_mac_free:
+ tgec_free(mac_dev->fman_mac);
+
+_return:
+ return err;
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.