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Message-ID: <1521183769-24378-1-git-send-email-aaron.wu@analog.com>
Date: Fri, 16 Mar 2018 15:02:49 +0800
From: Aaron Wu <aaron.wu@...log.com>
To: <linux-kernel@...r.kernel.org>
Subject: [Blackfin removal] [PATCH 02/28] net: Remove Blackfin Ethernet support
Signed-off-by: Aaron Wu <aaron.wu@...log.com>
Remove Blackfin Ethernet support
---
drivers/net/ethernet/Kconfig | 1 -
drivers/net/ethernet/Makefile | 1 -
drivers/net/ethernet/adi/Kconfig | 66 --
drivers/net/ethernet/adi/Makefile | 5 -
drivers/net/ethernet/adi/bfin_mac.c | 1881 ----------------------------------
drivers/net/ethernet/adi/bfin_mac.h | 104 --
drivers/net/ethernet/davicom/Kconfig | 2 +-
drivers/net/ethernet/smsc/Kconfig | 4 +-
include/linux/bfin_mac.h | 30 -
9 files changed, 3 insertions(+), 2091 deletions(-)
delete mode 100644 drivers/net/ethernet/adi/Kconfig
delete mode 100644 drivers/net/ethernet/adi/Makefile
delete mode 100644 drivers/net/ethernet/adi/bfin_mac.c
delete mode 100644 drivers/net/ethernet/adi/bfin_mac.h
delete mode 100644 include/linux/bfin_mac.h
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index b6cf4b6..b9b673d 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -34,7 +34,6 @@ source "drivers/net/ethernet/arc/Kconfig"
source "drivers/net/ethernet/atheros/Kconfig"
source "drivers/net/ethernet/aurora/Kconfig"
source "drivers/net/ethernet/cadence/Kconfig"
-source "drivers/net/ethernet/adi/Kconfig"
source "drivers/net/ethernet/broadcom/Kconfig"
source "drivers/net/ethernet/brocade/Kconfig"
source "drivers/net/ethernet/calxeda/Kconfig"
diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
index 3cdf01e..c557407 100644
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -21,7 +21,6 @@ obj-$(CONFIG_NET_VENDOR_ARC) += arc/
obj-$(CONFIG_NET_VENDOR_ATHEROS) += atheros/
obj-$(CONFIG_NET_VENDOR_AURORA) += aurora/
obj-$(CONFIG_NET_CADENCE) += cadence/
-obj-$(CONFIG_NET_BFIN) += adi/
obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/
obj-$(CONFIG_NET_VENDOR_BROCADE) += brocade/
obj-$(CONFIG_NET_CALXEDA_XGMAC) += calxeda/
diff --git a/drivers/net/ethernet/adi/Kconfig b/drivers/net/ethernet/adi/Kconfig
deleted file mode 100644
index 98cc8f5..0000000
--- a/drivers/net/ethernet/adi/Kconfig
+++ /dev/null
@@ -1,66 +0,0 @@
-#
-# Blackfin device configuration
-#
-
-config NET_BFIN
- bool "Blackfin devices"
- depends on BF516 || BF518 || BF526 || BF527 || BF536 || BF537
- ---help---
- If you have a network (Ethernet) card belonging to this class, say Y.
-
- If unsure, say Y.
-
- Note that the answer to this question doesn't directly affect the
- kernel: saying N will just cause the configurator to skip all
- the remaining Blackfin card questions. If you say Y, you will be
- asked for your specific card in the following questions.
-
-if NET_BFIN
-
-config BFIN_MAC
- tristate "Blackfin on-chip MAC support"
- depends on (BF516 || BF518 || BF526 || BF527 || BF536 || BF537)
- select CRC32
- select MII
- select PHYLIB
- select BFIN_MAC_USE_L1 if DMA_UNCACHED_NONE
- ---help---
- This is the driver for Blackfin on-chip mac device. Say Y if you want
- it compiled into the kernel. This driver is also available as a
- module ( = code which can be inserted in and removed from the running
- kernel whenever you want). The module will be called bfin_mac.
-
-config BFIN_MAC_USE_L1
- bool "Use L1 memory for rx/tx packets"
- depends on BFIN_MAC && (BF527 || BF537)
- default y
- ---help---
- To get maximum network performance, you should use L1 memory as rx/tx
- buffers. Say N here if you want to reserve L1 memory for other uses.
-
-config BFIN_TX_DESC_NUM
- int "Number of transmit buffer packets"
- depends on BFIN_MAC
- range 6 10 if BFIN_MAC_USE_L1
- range 10 100
- default "10"
- ---help---
- Set the number of buffer packets used in driver.
-
-config BFIN_RX_DESC_NUM
- int "Number of receive buffer packets"
- depends on BFIN_MAC
- range 20 64
- default "20"
- ---help---
- Set the number of buffer packets used in driver.
-
-config BFIN_MAC_USE_HWSTAMP
- bool "Use IEEE 1588 hwstamp"
- depends on BFIN_MAC && BF518
- imply PTP_1588_CLOCK
- default y
- ---help---
- To support the IEEE 1588 Precision Time Protocol (PTP), select y here
-
-endif # NET_BFIN
diff --git a/drivers/net/ethernet/adi/Makefile b/drivers/net/ethernet/adi/Makefile
deleted file mode 100644
index b1fbe19..0000000
--- a/drivers/net/ethernet/adi/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-#
-# Makefile for the Blackfin device drivers.
-#
-
-obj-$(CONFIG_BFIN_MAC) += bfin_mac.o
diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c
deleted file mode 100644
index 7120f2b..0000000
--- a/drivers/net/ethernet/adi/bfin_mac.c
+++ /dev/null
@@ -1,1881 +0,0 @@
-/*
- * Blackfin On-Chip MAC Driver
- *
- * Copyright 2004-2010 Analog Devices Inc.
- *
- * Enter bugs at http://blackfin.uclinux.org/
- *
- * Licensed under the GPL-2 or later.
- */
-
-#define DRV_VERSION "1.1"
-#define DRV_DESC "Blackfin on-chip Ethernet MAC driver"
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/errno.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/ioport.h>
-#include <linux/crc32.h>
-#include <linux/device.h>
-#include <linux/spinlock.h>
-#include <linux/mii.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/skbuff.h>
-#include <linux/platform_device.h>
-
-#include <asm/dma.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/div64.h>
-#include <asm/dpmc.h>
-#include <asm/blackfin.h>
-#include <asm/cacheflush.h>
-#include <asm/portmux.h>
-#include <mach/pll.h>
-
-#include "bfin_mac.h"
-
-MODULE_AUTHOR("Bryan Wu, Luke Yang");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_ALIAS("platform:bfin_mac");
-
-#if defined(CONFIG_BFIN_MAC_USE_L1)
-# define bfin_mac_alloc(dma_handle, size, num) l1_data_sram_zalloc(size*num)
-# define bfin_mac_free(dma_handle, ptr, num) l1_data_sram_free(ptr)
-#else
-# define bfin_mac_alloc(dma_handle, size, num) \
- dma_alloc_coherent(NULL, size*num, dma_handle, GFP_KERNEL)
-# define bfin_mac_free(dma_handle, ptr, num) \
- dma_free_coherent(NULL, sizeof(*ptr)*num, ptr, dma_handle)
-#endif
-
-#define PKT_BUF_SZ 1580
-
-#define MAX_TIMEOUT_CNT 500
-
-/* pointers to maintain transmit list */
-static struct net_dma_desc_tx *tx_list_head;
-static struct net_dma_desc_tx *tx_list_tail;
-static struct net_dma_desc_rx *rx_list_head;
-static struct net_dma_desc_rx *rx_list_tail;
-static struct net_dma_desc_rx *current_rx_ptr;
-static struct net_dma_desc_tx *current_tx_ptr;
-static struct net_dma_desc_tx *tx_desc;
-static struct net_dma_desc_rx *rx_desc;
-
-static void desc_list_free(void)
-{
- struct net_dma_desc_rx *r;
- struct net_dma_desc_tx *t;
- int i;
-#if !defined(CONFIG_BFIN_MAC_USE_L1)
- dma_addr_t dma_handle = 0;
-#endif
-
- if (tx_desc) {
- t = tx_list_head;
- for (i = 0; i < CONFIG_BFIN_TX_DESC_NUM; i++) {
- if (t) {
- if (t->skb) {
- dev_kfree_skb(t->skb);
- t->skb = NULL;
- }
- t = t->next;
- }
- }
- bfin_mac_free(dma_handle, tx_desc, CONFIG_BFIN_TX_DESC_NUM);
- }
-
- if (rx_desc) {
- r = rx_list_head;
- for (i = 0; i < CONFIG_BFIN_RX_DESC_NUM; i++) {
- if (r) {
- if (r->skb) {
- dev_kfree_skb(r->skb);
- r->skb = NULL;
- }
- r = r->next;
- }
- }
- bfin_mac_free(dma_handle, rx_desc, CONFIG_BFIN_RX_DESC_NUM);
- }
-}
-
-static int desc_list_init(struct net_device *dev)
-{
- int i;
- struct sk_buff *new_skb;
-#if !defined(CONFIG_BFIN_MAC_USE_L1)
- /*
- * This dma_handle is useless in Blackfin dma_alloc_coherent().
- * The real dma handler is the return value of dma_alloc_coherent().
- */
- dma_addr_t dma_handle;
-#endif
-
- tx_desc = bfin_mac_alloc(&dma_handle,
- sizeof(struct net_dma_desc_tx),
- CONFIG_BFIN_TX_DESC_NUM);
- if (tx_desc == NULL)
- goto init_error;
-
- rx_desc = bfin_mac_alloc(&dma_handle,
- sizeof(struct net_dma_desc_rx),
- CONFIG_BFIN_RX_DESC_NUM);
- if (rx_desc == NULL)
- goto init_error;
-
- /* init tx_list */
- tx_list_head = tx_list_tail = tx_desc;
-
- for (i = 0; i < CONFIG_BFIN_TX_DESC_NUM; i++) {
- struct net_dma_desc_tx *t = tx_desc + i;
- struct dma_descriptor *a = &(t->desc_a);
- struct dma_descriptor *b = &(t->desc_b);
-
- /*
- * disable DMA
- * read from memory WNR = 0
- * wordsize is 32 bits
- * 6 half words is desc size
- * large desc flow
- */
- a->config = WDSIZE_32 | NDSIZE_6 | DMAFLOW_LARGE;
- a->start_addr = (unsigned long)t->packet;
- a->x_count = 0;
- a->next_dma_desc = b;
-
- /*
- * enabled DMA
- * write to memory WNR = 1
- * wordsize is 32 bits
- * disable interrupt
- * 6 half words is desc size
- * large desc flow
- */
- b->config = DMAEN | WNR | WDSIZE_32 | NDSIZE_6 | DMAFLOW_LARGE;
- b->start_addr = (unsigned long)(&(t->status));
- b->x_count = 0;
-
- t->skb = NULL;
- tx_list_tail->desc_b.next_dma_desc = a;
- tx_list_tail->next = t;
- tx_list_tail = t;
- }
- tx_list_tail->next = tx_list_head; /* tx_list is a circle */
- tx_list_tail->desc_b.next_dma_desc = &(tx_list_head->desc_a);
- current_tx_ptr = tx_list_head;
-
- /* init rx_list */
- rx_list_head = rx_list_tail = rx_desc;
-
- for (i = 0; i < CONFIG_BFIN_RX_DESC_NUM; i++) {
- struct net_dma_desc_rx *r = rx_desc + i;
- struct dma_descriptor *a = &(r->desc_a);
- struct dma_descriptor *b = &(r->desc_b);
-
- /* allocate a new skb for next time receive */
- new_skb = netdev_alloc_skb(dev, PKT_BUF_SZ + NET_IP_ALIGN);
- if (!new_skb)
- goto init_error;
-
- skb_reserve(new_skb, NET_IP_ALIGN);
- /* Invalidate the data cache of skb->data range when it is write back
- * cache. It will prevent overwriting the new data from DMA
- */
- blackfin_dcache_invalidate_range((unsigned long)new_skb->head,
- (unsigned long)new_skb->end);
- r->skb = new_skb;
-
- /*
- * enabled DMA
- * write to memory WNR = 1
- * wordsize is 32 bits
- * disable interrupt
- * 6 half words is desc size
- * large desc flow
- */
- a->config = DMAEN | WNR | WDSIZE_32 | NDSIZE_6 | DMAFLOW_LARGE;
- /* since RXDWA is enabled */
- a->start_addr = (unsigned long)new_skb->data - 2;
- a->x_count = 0;
- a->next_dma_desc = b;
-
- /*
- * enabled DMA
- * write to memory WNR = 1
- * wordsize is 32 bits
- * enable interrupt
- * 6 half words is desc size
- * large desc flow
- */
- b->config = DMAEN | WNR | WDSIZE_32 | DI_EN |
- NDSIZE_6 | DMAFLOW_LARGE;
- b->start_addr = (unsigned long)(&(r->status));
- b->x_count = 0;
-
- rx_list_tail->desc_b.next_dma_desc = a;
- rx_list_tail->next = r;
- rx_list_tail = r;
- }
- rx_list_tail->next = rx_list_head; /* rx_list is a circle */
- rx_list_tail->desc_b.next_dma_desc = &(rx_list_head->desc_a);
- current_rx_ptr = rx_list_head;
-
- return 0;
-
-init_error:
- desc_list_free();
- pr_err("kmalloc failed\n");
- return -ENOMEM;
-}
-
-
-/*---PHY CONTROL AND CONFIGURATION-----------------------------------------*/
-
-/*
- * MII operations
- */
-/* Wait until the previous MDC/MDIO transaction has completed */
-static int bfin_mdio_poll(void)
-{
- int timeout_cnt = MAX_TIMEOUT_CNT;
-
- /* poll the STABUSY bit */
- while ((bfin_read_EMAC_STAADD()) & STABUSY) {
- udelay(1);
- if (timeout_cnt-- < 0) {
- pr_err("wait MDC/MDIO transaction to complete timeout\n");
- return -ETIMEDOUT;
- }
- }
-
- return 0;
-}
-
-/* Read an off-chip register in a PHY through the MDC/MDIO port */
-static int bfin_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
-{
- int ret;
-
- ret = bfin_mdio_poll();
- if (ret)
- return ret;
-
- /* read mode */
- bfin_write_EMAC_STAADD(SET_PHYAD((u16) phy_addr) |
- SET_REGAD((u16) regnum) |
- STABUSY);
-
- ret = bfin_mdio_poll();
- if (ret)
- return ret;
-
- return (int) bfin_read_EMAC_STADAT();
-}
-
-/* Write an off-chip register in a PHY through the MDC/MDIO port */
-static int bfin_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
- u16 value)
-{
- int ret;
-
- ret = bfin_mdio_poll();
- if (ret)
- return ret;
-
- bfin_write_EMAC_STADAT((u32) value);
-
- /* write mode */
- bfin_write_EMAC_STAADD(SET_PHYAD((u16) phy_addr) |
- SET_REGAD((u16) regnum) |
- STAOP |
- STABUSY);
-
- return bfin_mdio_poll();
-}
-
-static void bfin_mac_adjust_link(struct net_device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
- struct phy_device *phydev = dev->phydev;
- unsigned long flags;
- int new_state = 0;
-
- spin_lock_irqsave(&lp->lock, flags);
- if (phydev->link) {
- /* Now we make sure that we can be in full duplex mode.
- * If not, we operate in half-duplex mode. */
- if (phydev->duplex != lp->old_duplex) {
- u32 opmode = bfin_read_EMAC_OPMODE();
- new_state = 1;
-
- if (phydev->duplex)
- opmode |= FDMODE;
- else
- opmode &= ~(FDMODE);
-
- bfin_write_EMAC_OPMODE(opmode);
- lp->old_duplex = phydev->duplex;
- }
-
- if (phydev->speed != lp->old_speed) {
- if (phydev->interface == PHY_INTERFACE_MODE_RMII) {
- u32 opmode = bfin_read_EMAC_OPMODE();
- switch (phydev->speed) {
- case 10:
- opmode |= RMII_10;
- break;
- case 100:
- opmode &= ~RMII_10;
- break;
- default:
- netdev_warn(dev,
- "Ack! Speed (%d) is not 10/100!\n",
- phydev->speed);
- break;
- }
- bfin_write_EMAC_OPMODE(opmode);
- }
-
- new_state = 1;
- lp->old_speed = phydev->speed;
- }
-
- if (!lp->old_link) {
- new_state = 1;
- lp->old_link = 1;
- }
- } else if (lp->old_link) {
- new_state = 1;
- lp->old_link = 0;
- lp->old_speed = 0;
- lp->old_duplex = -1;
- }
-
- if (new_state) {
- u32 opmode = bfin_read_EMAC_OPMODE();
- phy_print_status(phydev);
- pr_debug("EMAC_OPMODE = 0x%08x\n", opmode);
- }
-
- spin_unlock_irqrestore(&lp->lock, flags);
-}
-
-/* MDC = 2.5 MHz */
-#define MDC_CLK 2500000
-
-static int mii_probe(struct net_device *dev, int phy_mode)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
- struct phy_device *phydev;
- unsigned short sysctl;
- u32 sclk, mdc_div;
-
- /* Enable PHY output early */
- if (!(bfin_read_VR_CTL() & CLKBUFOE))
- bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE);
-
- sclk = get_sclk();
- mdc_div = ((sclk / MDC_CLK) / 2) - 1;
-
- sysctl = bfin_read_EMAC_SYSCTL();
- sysctl = (sysctl & ~MDCDIV) | SET_MDCDIV(mdc_div);
- bfin_write_EMAC_SYSCTL(sysctl);
-
- phydev = phy_find_first(lp->mii_bus);
- if (!phydev) {
- netdev_err(dev, "no phy device found\n");
- return -ENODEV;
- }
-
- if (phy_mode != PHY_INTERFACE_MODE_RMII &&
- phy_mode != PHY_INTERFACE_MODE_MII) {
- netdev_err(dev, "invalid phy interface mode\n");
- return -EINVAL;
- }
-
- phydev = phy_connect(dev, phydev_name(phydev),
- &bfin_mac_adjust_link, phy_mode);
-
- if (IS_ERR(phydev)) {
- netdev_err(dev, "could not attach PHY\n");
- return PTR_ERR(phydev);
- }
-
- /* mask with MAC supported features */
- phydev->supported &= (SUPPORTED_10baseT_Half
- | SUPPORTED_10baseT_Full
- | SUPPORTED_100baseT_Half
- | SUPPORTED_100baseT_Full
- | SUPPORTED_Autoneg
- | SUPPORTED_Pause | SUPPORTED_Asym_Pause
- | SUPPORTED_MII
- | SUPPORTED_TP);
-
- phydev->advertising = phydev->supported;
-
- lp->old_link = 0;
- lp->old_speed = 0;
- lp->old_duplex = -1;
-
- phy_attached_print(phydev, "mdc_clk=%dHz(mdc_div=%d)@sclk=%dMHz)\n",
- MDC_CLK, mdc_div, sclk / 1000000);
-
- return 0;
-}
-
-/*
- * Ethtool support
- */
-
-/*
- * interrupt routine for magic packet wakeup
- */
-static irqreturn_t bfin_mac_wake_interrupt(int irq, void *dev_id)
-{
- return IRQ_HANDLED;
-}
-
-static void bfin_mac_ethtool_getdrvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
-{
- strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
- strlcpy(info->version, DRV_VERSION, sizeof(info->version));
- strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
- strlcpy(info->bus_info, dev_name(&dev->dev), sizeof(info->bus_info));
-}
-
-static void bfin_mac_ethtool_getwol(struct net_device *dev,
- struct ethtool_wolinfo *wolinfo)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
-
- wolinfo->supported = WAKE_MAGIC;
- wolinfo->wolopts = lp->wol;
-}
-
-static int bfin_mac_ethtool_setwol(struct net_device *dev,
- struct ethtool_wolinfo *wolinfo)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
- int rc;
-
- if (wolinfo->wolopts & (WAKE_MAGICSECURE |
- WAKE_UCAST |
- WAKE_MCAST |
- WAKE_BCAST |
- WAKE_ARP))
- return -EOPNOTSUPP;
-
- lp->wol = wolinfo->wolopts;
-
- if (lp->wol && !lp->irq_wake_requested) {
- /* register wake irq handler */
- rc = request_irq(IRQ_MAC_WAKEDET, bfin_mac_wake_interrupt,
- 0, "EMAC_WAKE", dev);
- if (rc)
- return rc;
- lp->irq_wake_requested = true;
- }
-
- if (!lp->wol && lp->irq_wake_requested) {
- free_irq(IRQ_MAC_WAKEDET, dev);
- lp->irq_wake_requested = false;
- }
-
- /* Make sure the PHY driver doesn't suspend */
- device_init_wakeup(&dev->dev, lp->wol);
-
- return 0;
-}
-
-#ifdef CONFIG_BFIN_MAC_USE_HWSTAMP
-static int bfin_mac_ethtool_get_ts_info(struct net_device *dev,
- struct ethtool_ts_info *info)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
-
- info->so_timestamping =
- SOF_TIMESTAMPING_TX_HARDWARE |
- SOF_TIMESTAMPING_RX_HARDWARE |
- SOF_TIMESTAMPING_RAW_HARDWARE;
- info->phc_index = lp->phc_index;
- info->tx_types =
- (1 << HWTSTAMP_TX_OFF) |
- (1 << HWTSTAMP_TX_ON);
- info->rx_filters =
- (1 << HWTSTAMP_FILTER_NONE) |
- (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
- return 0;
-}
-#endif
-
-static const struct ethtool_ops bfin_mac_ethtool_ops = {
- .get_link = ethtool_op_get_link,
- .get_drvinfo = bfin_mac_ethtool_getdrvinfo,
- .get_wol = bfin_mac_ethtool_getwol,
- .set_wol = bfin_mac_ethtool_setwol,
-#ifdef CONFIG_BFIN_MAC_USE_HWSTAMP
- .get_ts_info = bfin_mac_ethtool_get_ts_info,
-#endif
- .get_link_ksettings = phy_ethtool_get_link_ksettings,
- .set_link_ksettings = phy_ethtool_set_link_ksettings,
-};
-
-/**************************************************************************/
-static void setup_system_regs(struct net_device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
- int i;
- unsigned short sysctl;
-
- /*
- * Odd word alignment for Receive Frame DMA word
- * Configure checksum support and rcve frame word alignment
- */
- sysctl = bfin_read_EMAC_SYSCTL();
- /*
- * check if interrupt is requested for any PHY,
- * enable PHY interrupt only if needed
- */
- for (i = 0; i < PHY_MAX_ADDR; ++i)
- if (lp->mii_bus->irq[i] != PHY_POLL)
- break;
- if (i < PHY_MAX_ADDR)
- sysctl |= PHYIE;
- sysctl |= RXDWA;
-#if defined(BFIN_MAC_CSUM_OFFLOAD)
- sysctl |= RXCKS;
-#else
- sysctl &= ~RXCKS;
-#endif
- bfin_write_EMAC_SYSCTL(sysctl);
-
- bfin_write_EMAC_MMC_CTL(RSTC | CROLL);
-
- /* Set vlan regs to let 1522 bytes long packets pass through */
- bfin_write_EMAC_VLAN1(lp->vlan1_mask);
- bfin_write_EMAC_VLAN2(lp->vlan2_mask);
-
- /* Initialize the TX DMA channel registers */
- bfin_write_DMA2_X_COUNT(0);
- bfin_write_DMA2_X_MODIFY(4);
- bfin_write_DMA2_Y_COUNT(0);
- bfin_write_DMA2_Y_MODIFY(0);
-
- /* Initialize the RX DMA channel registers */
- bfin_write_DMA1_X_COUNT(0);
- bfin_write_DMA1_X_MODIFY(4);
- bfin_write_DMA1_Y_COUNT(0);
- bfin_write_DMA1_Y_MODIFY(0);
-}
-
-static void setup_mac_addr(u8 *mac_addr)
-{
- u32 addr_low = le32_to_cpu(*(__le32 *) & mac_addr[0]);
- u16 addr_hi = le16_to_cpu(*(__le16 *) & mac_addr[4]);
-
- /* this depends on a little-endian machine */
- bfin_write_EMAC_ADDRLO(addr_low);
- bfin_write_EMAC_ADDRHI(addr_hi);
-}
-
-static int bfin_mac_set_mac_address(struct net_device *dev, void *p)
-{
- struct sockaddr *addr = p;
- if (netif_running(dev))
- return -EBUSY;
- memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
- setup_mac_addr(dev->dev_addr);
- return 0;
-}
-
-#ifdef CONFIG_BFIN_MAC_USE_HWSTAMP
-#define bfin_mac_hwtstamp_is_none(cfg) ((cfg) == HWTSTAMP_FILTER_NONE)
-
-static u32 bfin_select_phc_clock(u32 input_clk, unsigned int *shift_result)
-{
- u32 ipn = 1000000000UL / input_clk;
- u32 ppn = 1;
- unsigned int shift = 0;
-
- while (ppn <= ipn) {
- ppn <<= 1;
- shift++;
- }
- *shift_result = shift;
- return 1000000000UL / ppn;
-}
-
-static int bfin_mac_hwtstamp_set(struct net_device *netdev,
- struct ifreq *ifr)
-{
- struct hwtstamp_config config;
- struct bfin_mac_local *lp = netdev_priv(netdev);
- u16 ptpctl;
- u32 ptpfv1, ptpfv2, ptpfv3, ptpfoff;
-
- if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
- return -EFAULT;
-
- pr_debug("%s config flag:0x%x, tx_type:0x%x, rx_filter:0x%x\n",
- __func__, config.flags, config.tx_type, config.rx_filter);
-
- /* reserved for future extensions */
- if (config.flags)
- return -EINVAL;
-
- if ((config.tx_type != HWTSTAMP_TX_OFF) &&
- (config.tx_type != HWTSTAMP_TX_ON))
- return -ERANGE;
-
- ptpctl = bfin_read_EMAC_PTP_CTL();
-
- switch (config.rx_filter) {
- case HWTSTAMP_FILTER_NONE:
- /*
- * Dont allow any timestamping
- */
- ptpfv3 = 0xFFFFFFFF;
- bfin_write_EMAC_PTP_FV3(ptpfv3);
- break;
- case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
- case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
- case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
- /*
- * Clear the five comparison mask bits (bits[12:8]) in EMAC_PTP_CTL)
- * to enable all the field matches.
- */
- ptpctl &= ~0x1F00;
- bfin_write_EMAC_PTP_CTL(ptpctl);
- /*
- * Keep the default values of the EMAC_PTP_FOFF register.
- */
- ptpfoff = 0x4A24170C;
- bfin_write_EMAC_PTP_FOFF(ptpfoff);
- /*
- * Keep the default values of the EMAC_PTP_FV1 and EMAC_PTP_FV2
- * registers.
- */
- ptpfv1 = 0x11040800;
- bfin_write_EMAC_PTP_FV1(ptpfv1);
- ptpfv2 = 0x0140013F;
- bfin_write_EMAC_PTP_FV2(ptpfv2);
- /*
- * The default value (0xFFFC) allows the timestamping of both
- * received Sync messages and Delay_Req messages.
- */
- ptpfv3 = 0xFFFFFFFC;
- bfin_write_EMAC_PTP_FV3(ptpfv3);
-
- config.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
- break;
- case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
- /* Clear all five comparison mask bits (bits[12:8]) in the
- * EMAC_PTP_CTL register to enable all the field matches.
- */
- ptpctl &= ~0x1F00;
- bfin_write_EMAC_PTP_CTL(ptpctl);
- /*
- * Keep the default values of the EMAC_PTP_FOFF register, except set
- * the PTPCOF field to 0x2A.
- */
- ptpfoff = 0x2A24170C;
- bfin_write_EMAC_PTP_FOFF(ptpfoff);
- /*
- * Keep the default values of the EMAC_PTP_FV1 and EMAC_PTP_FV2
- * registers.
- */
- ptpfv1 = 0x11040800;
- bfin_write_EMAC_PTP_FV1(ptpfv1);
- ptpfv2 = 0x0140013F;
- bfin_write_EMAC_PTP_FV2(ptpfv2);
- /*
- * To allow the timestamping of Pdelay_Req and Pdelay_Resp, set
- * the value to 0xFFF0.
- */
- ptpfv3 = 0xFFFFFFF0;
- bfin_write_EMAC_PTP_FV3(ptpfv3);
-
- config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
- break;
- case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
- /*
- * Clear bits 8 and 12 of the EMAC_PTP_CTL register to enable only the
- * EFTM and PTPCM field comparison.
- */
- ptpctl &= ~0x1100;
- bfin_write_EMAC_PTP_CTL(ptpctl);
- /*
- * Keep the default values of all the fields of the EMAC_PTP_FOFF
- * register, except set the PTPCOF field to 0x0E.
- */
- ptpfoff = 0x0E24170C;
- bfin_write_EMAC_PTP_FOFF(ptpfoff);
- /*
- * Program bits [15:0] of the EMAC_PTP_FV1 register to 0x88F7, which
- * corresponds to PTP messages on the MAC layer.
- */
- ptpfv1 = 0x110488F7;
- bfin_write_EMAC_PTP_FV1(ptpfv1);
- ptpfv2 = 0x0140013F;
- bfin_write_EMAC_PTP_FV2(ptpfv2);
- /*
- * To allow the timestamping of Pdelay_Req and Pdelay_Resp
- * messages, set the value to 0xFFF0.
- */
- ptpfv3 = 0xFFFFFFF0;
- bfin_write_EMAC_PTP_FV3(ptpfv3);
-
- config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
- break;
- default:
- return -ERANGE;
- }
-
- if (config.tx_type == HWTSTAMP_TX_OFF &&
- bfin_mac_hwtstamp_is_none(config.rx_filter)) {
- ptpctl &= ~PTP_EN;
- bfin_write_EMAC_PTP_CTL(ptpctl);
-
- SSYNC();
- } else {
- ptpctl |= PTP_EN;
- bfin_write_EMAC_PTP_CTL(ptpctl);
-
- /*
- * clear any existing timestamp
- */
- bfin_read_EMAC_PTP_RXSNAPLO();
- bfin_read_EMAC_PTP_RXSNAPHI();
-
- bfin_read_EMAC_PTP_TXSNAPLO();
- bfin_read_EMAC_PTP_TXSNAPHI();
-
- SSYNC();
- }
-
- lp->stamp_cfg = config;
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
- -EFAULT : 0;
-}
-
-static int bfin_mac_hwtstamp_get(struct net_device *netdev,
- struct ifreq *ifr)
-{
- struct bfin_mac_local *lp = netdev_priv(netdev);
-
- return copy_to_user(ifr->ifr_data, &lp->stamp_cfg,
- sizeof(lp->stamp_cfg)) ?
- -EFAULT : 0;
-}
-
-static void bfin_tx_hwtstamp(struct net_device *netdev, struct sk_buff *skb)
-{
- struct bfin_mac_local *lp = netdev_priv(netdev);
-
- if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) {
- int timeout_cnt = MAX_TIMEOUT_CNT;
-
- /* When doing time stamping, keep the connection to the socket
- * a while longer
- */
- skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
-
- /*
- * The timestamping is done at the EMAC module's MII/RMII interface
- * when the module sees the Start of Frame of an event message packet. This
- * interface is the closest possible place to the physical Ethernet transmission
- * medium, providing the best timing accuracy.
- */
- while ((!(bfin_read_EMAC_PTP_ISTAT() & TXTL)) && (--timeout_cnt))
- udelay(1);
- if (timeout_cnt == 0)
- netdev_err(netdev, "timestamp the TX packet failed\n");
- else {
- struct skb_shared_hwtstamps shhwtstamps;
- u64 ns;
- u64 regval;
-
- regval = bfin_read_EMAC_PTP_TXSNAPLO();
- regval |= (u64)bfin_read_EMAC_PTP_TXSNAPHI() << 32;
- memset(&shhwtstamps, 0, sizeof(shhwtstamps));
- ns = regval << lp->shift;
- shhwtstamps.hwtstamp = ns_to_ktime(ns);
- skb_tstamp_tx(skb, &shhwtstamps);
- }
- }
-}
-
-static void bfin_rx_hwtstamp(struct net_device *netdev, struct sk_buff *skb)
-{
- struct bfin_mac_local *lp = netdev_priv(netdev);
- u32 valid;
- u64 regval, ns;
- struct skb_shared_hwtstamps *shhwtstamps;
-
- if (bfin_mac_hwtstamp_is_none(lp->stamp_cfg.rx_filter))
- return;
-
- valid = bfin_read_EMAC_PTP_ISTAT() & RXEL;
- if (!valid)
- return;
-
- shhwtstamps = skb_hwtstamps(skb);
-
- regval = bfin_read_EMAC_PTP_RXSNAPLO();
- regval |= (u64)bfin_read_EMAC_PTP_RXSNAPHI() << 32;
- ns = regval << lp->shift;
- memset(shhwtstamps, 0, sizeof(*shhwtstamps));
- shhwtstamps->hwtstamp = ns_to_ktime(ns);
-}
-
-static void bfin_mac_hwtstamp_init(struct net_device *netdev)
-{
- struct bfin_mac_local *lp = netdev_priv(netdev);
- u64 addend, ppb;
- u32 input_clk, phc_clk;
-
- /* Initialize hardware timer */
- input_clk = get_sclk();
- phc_clk = bfin_select_phc_clock(input_clk, &lp->shift);
- addend = phc_clk * (1ULL << 32);
- do_div(addend, input_clk);
- bfin_write_EMAC_PTP_ADDEND((u32)addend);
-
- lp->addend = addend;
- ppb = 1000000000ULL * input_clk;
- do_div(ppb, phc_clk);
- lp->max_ppb = ppb - 1000000000ULL - 1ULL;
-
- /* Initialize hwstamp config */
- lp->stamp_cfg.rx_filter = HWTSTAMP_FILTER_NONE;
- lp->stamp_cfg.tx_type = HWTSTAMP_TX_OFF;
-}
-
-static u64 bfin_ptp_time_read(struct bfin_mac_local *lp)
-{
- u64 ns;
- u32 lo, hi;
-
- lo = bfin_read_EMAC_PTP_TIMELO();
- hi = bfin_read_EMAC_PTP_TIMEHI();
-
- ns = ((u64) hi) << 32;
- ns |= lo;
- ns <<= lp->shift;
-
- return ns;
-}
-
-static void bfin_ptp_time_write(struct bfin_mac_local *lp, u64 ns)
-{
- u32 hi, lo;
-
- ns >>= lp->shift;
- hi = ns >> 32;
- lo = ns & 0xffffffff;
-
- bfin_write_EMAC_PTP_TIMELO(lo);
- bfin_write_EMAC_PTP_TIMEHI(hi);
-}
-
-/* PTP Hardware Clock operations */
-
-static int bfin_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
-{
- u64 adj;
- u32 diff, addend;
- int neg_adj = 0;
- struct bfin_mac_local *lp =
- container_of(ptp, struct bfin_mac_local, caps);
-
- if (ppb < 0) {
- neg_adj = 1;
- ppb = -ppb;
- }
- addend = lp->addend;
- adj = addend;
- adj *= ppb;
- diff = div_u64(adj, 1000000000ULL);
-
- addend = neg_adj ? addend - diff : addend + diff;
-
- bfin_write_EMAC_PTP_ADDEND(addend);
-
- return 0;
-}
-
-static int bfin_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
-{
- s64 now;
- unsigned long flags;
- struct bfin_mac_local *lp =
- container_of(ptp, struct bfin_mac_local, caps);
-
- spin_lock_irqsave(&lp->phc_lock, flags);
-
- now = bfin_ptp_time_read(lp);
- now += delta;
- bfin_ptp_time_write(lp, now);
-
- spin_unlock_irqrestore(&lp->phc_lock, flags);
-
- return 0;
-}
-
-static int bfin_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
-{
- u64 ns;
- unsigned long flags;
- struct bfin_mac_local *lp =
- container_of(ptp, struct bfin_mac_local, caps);
-
- spin_lock_irqsave(&lp->phc_lock, flags);
-
- ns = bfin_ptp_time_read(lp);
-
- spin_unlock_irqrestore(&lp->phc_lock, flags);
-
- *ts = ns_to_timespec64(ns);
-
- return 0;
-}
-
-static int bfin_ptp_settime(struct ptp_clock_info *ptp,
- const struct timespec64 *ts)
-{
- u64 ns;
- unsigned long flags;
- struct bfin_mac_local *lp =
- container_of(ptp, struct bfin_mac_local, caps);
-
- ns = timespec64_to_ns(ts);
-
- spin_lock_irqsave(&lp->phc_lock, flags);
-
- bfin_ptp_time_write(lp, ns);
-
- spin_unlock_irqrestore(&lp->phc_lock, flags);
-
- return 0;
-}
-
-static int bfin_ptp_enable(struct ptp_clock_info *ptp,
- struct ptp_clock_request *rq, int on)
-{
- return -EOPNOTSUPP;
-}
-
-static const struct ptp_clock_info bfin_ptp_caps = {
- .owner = THIS_MODULE,
- .name = "BF518 clock",
- .max_adj = 0,
- .n_alarm = 0,
- .n_ext_ts = 0,
- .n_per_out = 0,
- .n_pins = 0,
- .pps = 0,
- .adjfreq = bfin_ptp_adjfreq,
- .adjtime = bfin_ptp_adjtime,
- .gettime64 = bfin_ptp_gettime,
- .settime64 = bfin_ptp_settime,
- .enable = bfin_ptp_enable,
-};
-
-static int bfin_phc_init(struct net_device *netdev, struct device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(netdev);
-
- lp->caps = bfin_ptp_caps;
- lp->caps.max_adj = lp->max_ppb;
- lp->clock = ptp_clock_register(&lp->caps, dev);
- if (IS_ERR(lp->clock))
- return PTR_ERR(lp->clock);
-
- lp->phc_index = ptp_clock_index(lp->clock);
- spin_lock_init(&lp->phc_lock);
-
- return 0;
-}
-
-static void bfin_phc_release(struct bfin_mac_local *lp)
-{
- ptp_clock_unregister(lp->clock);
-}
-
-#else
-# define bfin_mac_hwtstamp_is_none(cfg) 0
-# define bfin_mac_hwtstamp_init(dev)
-# define bfin_mac_hwtstamp_set(dev, ifr) (-EOPNOTSUPP)
-# define bfin_mac_hwtstamp_get(dev, ifr) (-EOPNOTSUPP)
-# define bfin_rx_hwtstamp(dev, skb)
-# define bfin_tx_hwtstamp(dev, skb)
-# define bfin_phc_init(netdev, dev) 0
-# define bfin_phc_release(lp)
-#endif
-
-static inline void _tx_reclaim_skb(void)
-{
- do {
- tx_list_head->desc_a.config &= ~DMAEN;
- tx_list_head->status.status_word = 0;
- if (tx_list_head->skb) {
- dev_consume_skb_any(tx_list_head->skb);
- tx_list_head->skb = NULL;
- }
- tx_list_head = tx_list_head->next;
-
- } while (tx_list_head->status.status_word != 0);
-}
-
-static void tx_reclaim_skb(struct bfin_mac_local *lp)
-{
- int timeout_cnt = MAX_TIMEOUT_CNT;
-
- if (tx_list_head->status.status_word != 0)
- _tx_reclaim_skb();
-
- if (current_tx_ptr->next == tx_list_head) {
- while (tx_list_head->status.status_word == 0) {
- /* slow down polling to avoid too many queue stop. */
- udelay(10);
- /* reclaim skb if DMA is not running. */
- if (!(bfin_read_DMA2_IRQ_STATUS() & DMA_RUN))
- break;
- if (timeout_cnt-- < 0)
- break;
- }
-
- if (timeout_cnt >= 0)
- _tx_reclaim_skb();
- else
- netif_stop_queue(lp->ndev);
- }
-
- if (current_tx_ptr->next != tx_list_head &&
- netif_queue_stopped(lp->ndev))
- netif_wake_queue(lp->ndev);
-
- if (tx_list_head != current_tx_ptr) {
- /* shorten the timer interval if tx queue is stopped */
- if (netif_queue_stopped(lp->ndev))
- lp->tx_reclaim_timer.expires =
- jiffies + (TX_RECLAIM_JIFFIES >> 4);
- else
- lp->tx_reclaim_timer.expires =
- jiffies + TX_RECLAIM_JIFFIES;
-
- mod_timer(&lp->tx_reclaim_timer,
- lp->tx_reclaim_timer.expires);
- }
-
- return;
-}
-
-static void tx_reclaim_skb_timeout(struct timer_list *t)
-{
- struct bfin_mac_local *lp = from_timer(lp, t, tx_reclaim_timer);
-
- tx_reclaim_skb(lp);
-}
-
-static int bfin_mac_hard_start_xmit(struct sk_buff *skb,
- struct net_device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
- u16 *data;
- u32 data_align = (unsigned long)(skb->data) & 0x3;
-
- current_tx_ptr->skb = skb;
-
- if (data_align == 0x2) {
- /* move skb->data to current_tx_ptr payload */
- data = (u16 *)(skb->data) - 1;
- *data = (u16)(skb->len);
- /*
- * When transmitting an Ethernet packet, the PTP_TSYNC module requires
- * a DMA_Length_Word field associated with the packet. The lower 12 bits
- * of this field are the length of the packet payload in bytes and the higher
- * 4 bits are the timestamping enable field.
- */
- if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
- *data |= 0x1000;
-
- current_tx_ptr->desc_a.start_addr = (u32)data;
- /* this is important! */
- blackfin_dcache_flush_range((u32)data,
- (u32)((u8 *)data + skb->len + 4));
- } else {
- *((u16 *)(current_tx_ptr->packet)) = (u16)(skb->len);
- /* enable timestamping for the sent packet */
- if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
- *((u16 *)(current_tx_ptr->packet)) |= 0x1000;
- memcpy((u8 *)(current_tx_ptr->packet + 2), skb->data,
- skb->len);
- current_tx_ptr->desc_a.start_addr =
- (u32)current_tx_ptr->packet;
- blackfin_dcache_flush_range(
- (u32)current_tx_ptr->packet,
- (u32)(current_tx_ptr->packet + skb->len + 2));
- }
-
- /* make sure the internal data buffers in the core are drained
- * so that the DMA descriptors are completely written when the
- * DMA engine goes to fetch them below
- */
- SSYNC();
-
- /* always clear status buffer before start tx dma */
- current_tx_ptr->status.status_word = 0;
-
- /* enable this packet's dma */
- current_tx_ptr->desc_a.config |= DMAEN;
-
- /* tx dma is running, just return */
- if (bfin_read_DMA2_IRQ_STATUS() & DMA_RUN)
- goto out;
-
- /* tx dma is not running */
- bfin_write_DMA2_NEXT_DESC_PTR(&(current_tx_ptr->desc_a));
- /* dma enabled, read from memory, size is 6 */
- bfin_write_DMA2_CONFIG(current_tx_ptr->desc_a.config);
- /* Turn on the EMAC tx */
- bfin_write_EMAC_OPMODE(bfin_read_EMAC_OPMODE() | TE);
-
-out:
- bfin_tx_hwtstamp(dev, skb);
-
- current_tx_ptr = current_tx_ptr->next;
- dev->stats.tx_packets++;
- dev->stats.tx_bytes += (skb->len);
-
- tx_reclaim_skb(lp);
-
- return NETDEV_TX_OK;
-}
-
-#define IP_HEADER_OFF 0
-#define RX_ERROR_MASK (RX_LONG | RX_ALIGN | RX_CRC | RX_LEN | \
- RX_FRAG | RX_ADDR | RX_DMAO | RX_PHY | RX_LATE | RX_RANGE)
-
-static void bfin_mac_rx(struct bfin_mac_local *lp)
-{
- struct net_device *dev = lp->ndev;
- struct sk_buff *skb, *new_skb;
- unsigned short len;
-#if defined(BFIN_MAC_CSUM_OFFLOAD)
- unsigned int i;
- unsigned char fcs[ETH_FCS_LEN + 1];
-#endif
-
- /* check if frame status word reports an error condition
- * we which case we simply drop the packet
- */
- if (current_rx_ptr->status.status_word & RX_ERROR_MASK) {
- netdev_notice(dev, "rx: receive error - packet dropped\n");
- dev->stats.rx_dropped++;
- goto out;
- }
-
- /* allocate a new skb for next time receive */
- skb = current_rx_ptr->skb;
-
- new_skb = netdev_alloc_skb(dev, PKT_BUF_SZ + NET_IP_ALIGN);
- if (!new_skb) {
- dev->stats.rx_dropped++;
- goto out;
- }
- /* reserve 2 bytes for RXDWA padding */
- skb_reserve(new_skb, NET_IP_ALIGN);
- /* Invalidate the data cache of skb->data range when it is write back
- * cache. It will prevent overwriting the new data from DMA
- */
- blackfin_dcache_invalidate_range((unsigned long)new_skb->head,
- (unsigned long)new_skb->end);
-
- current_rx_ptr->skb = new_skb;
- current_rx_ptr->desc_a.start_addr = (unsigned long)new_skb->data - 2;
-
- len = (unsigned short)(current_rx_ptr->status.status_word & RX_FRLEN);
- /* Deduce Ethernet FCS length from Ethernet payload length */
- len -= ETH_FCS_LEN;
- skb_put(skb, len);
-
- skb->protocol = eth_type_trans(skb, dev);
-
- bfin_rx_hwtstamp(dev, skb);
-
-#if defined(BFIN_MAC_CSUM_OFFLOAD)
- /* Checksum offloading only works for IPv4 packets with the standard IP header
- * length of 20 bytes, because the blackfin MAC checksum calculation is
- * based on that assumption. We must NOT use the calculated checksum if our
- * IP version or header break that assumption.
- */
- if (skb->data[IP_HEADER_OFF] == 0x45) {
- skb->csum = current_rx_ptr->status.ip_payload_csum;
- /*
- * Deduce Ethernet FCS from hardware generated IP payload checksum.
- * IP checksum is based on 16-bit one's complement algorithm.
- * To deduce a value from checksum is equal to add its inversion.
- * If the IP payload len is odd, the inversed FCS should also
- * begin from odd address and leave first byte zero.
- */
- if (skb->len % 2) {
- fcs[0] = 0;
- for (i = 0; i < ETH_FCS_LEN; i++)
- fcs[i + 1] = ~skb->data[skb->len + i];
- skb->csum = csum_partial(fcs, ETH_FCS_LEN + 1, skb->csum);
- } else {
- for (i = 0; i < ETH_FCS_LEN; i++)
- fcs[i] = ~skb->data[skb->len + i];
- skb->csum = csum_partial(fcs, ETH_FCS_LEN, skb->csum);
- }
- skb->ip_summed = CHECKSUM_COMPLETE;
- }
-#endif
-
- napi_gro_receive(&lp->napi, skb);
-
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += len;
-out:
- current_rx_ptr->status.status_word = 0x00000000;
- current_rx_ptr = current_rx_ptr->next;
-}
-
-static int bfin_mac_poll(struct napi_struct *napi, int budget)
-{
- int i = 0;
- struct bfin_mac_local *lp = container_of(napi,
- struct bfin_mac_local,
- napi);
-
- while (current_rx_ptr->status.status_word != 0 && i < budget) {
- bfin_mac_rx(lp);
- i++;
- }
-
- if (i < budget) {
- napi_complete_done(napi, i);
- if (test_and_clear_bit(BFIN_MAC_RX_IRQ_DISABLED, &lp->flags))
- enable_irq(IRQ_MAC_RX);
- }
-
- return i;
-}
-
-/* interrupt routine to handle rx and error signal */
-static irqreturn_t bfin_mac_interrupt(int irq, void *dev_id)
-{
- struct bfin_mac_local *lp = netdev_priv(dev_id);
- u32 status;
-
- status = bfin_read_DMA1_IRQ_STATUS();
-
- bfin_write_DMA1_IRQ_STATUS(status | DMA_DONE | DMA_ERR);
- if (status & DMA_DONE) {
- disable_irq_nosync(IRQ_MAC_RX);
- set_bit(BFIN_MAC_RX_IRQ_DISABLED, &lp->flags);
- napi_schedule(&lp->napi);
- }
-
- return IRQ_HANDLED;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void bfin_mac_poll_controller(struct net_device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
-
- bfin_mac_interrupt(IRQ_MAC_RX, dev);
- tx_reclaim_skb(lp);
-}
-#endif /* CONFIG_NET_POLL_CONTROLLER */
-
-static void bfin_mac_disable(void)
-{
- unsigned int opmode;
-
- opmode = bfin_read_EMAC_OPMODE();
- opmode &= (~RE);
- opmode &= (~TE);
- /* Turn off the EMAC */
- bfin_write_EMAC_OPMODE(opmode);
-}
-
-/*
- * Enable Interrupts, Receive, and Transmit
- */
-static int bfin_mac_enable(struct phy_device *phydev)
-{
- int ret;
- u32 opmode;
-
- pr_debug("%s\n", __func__);
-
- /* Set RX DMA */
- bfin_write_DMA1_NEXT_DESC_PTR(&(rx_list_head->desc_a));
- bfin_write_DMA1_CONFIG(rx_list_head->desc_a.config);
-
- /* Wait MII done */
- ret = bfin_mdio_poll();
- if (ret)
- return ret;
-
- /* We enable only RX here */
- /* ASTP : Enable Automatic Pad Stripping
- PR : Promiscuous Mode for test
- PSF : Receive frames with total length less than 64 bytes.
- FDMODE : Full Duplex Mode
- LB : Internal Loopback for test
- RE : Receiver Enable */
- opmode = bfin_read_EMAC_OPMODE();
- if (opmode & FDMODE)
- opmode |= PSF;
- else
- opmode |= DRO | DC | PSF;
- opmode |= RE;
-
- if (phydev->interface == PHY_INTERFACE_MODE_RMII) {
- opmode |= RMII; /* For Now only 100MBit are supported */
-#if defined(CONFIG_BF537) || defined(CONFIG_BF536)
- if (__SILICON_REVISION__ < 3) {
- /*
- * This isn't publicly documented (fun times!), but in
- * silicon <=0.2, the RX and TX pins are clocked together.
- * So in order to recv, we must enable the transmit side
- * as well. This will cause a spurious TX interrupt too,
- * but we can easily consume that.
- */
- opmode |= TE;
- }
-#endif
- }
-
- /* Turn on the EMAC rx */
- bfin_write_EMAC_OPMODE(opmode);
-
- return 0;
-}
-
-/* Our watchdog timed out. Called by the networking layer */
-static void bfin_mac_timeout(struct net_device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
-
- pr_debug("%s: %s\n", dev->name, __func__);
-
- bfin_mac_disable();
-
- del_timer(&lp->tx_reclaim_timer);
-
- /* reset tx queue and free skb */
- while (tx_list_head != current_tx_ptr) {
- tx_list_head->desc_a.config &= ~DMAEN;
- tx_list_head->status.status_word = 0;
- if (tx_list_head->skb) {
- dev_kfree_skb(tx_list_head->skb);
- tx_list_head->skb = NULL;
- }
- tx_list_head = tx_list_head->next;
- }
-
- if (netif_queue_stopped(dev))
- netif_wake_queue(dev);
-
- bfin_mac_enable(dev->phydev);
-
- /* We can accept TX packets again */
- netif_trans_update(dev); /* prevent tx timeout */
-}
-
-static void bfin_mac_multicast_hash(struct net_device *dev)
-{
- u32 emac_hashhi, emac_hashlo;
- struct netdev_hw_addr *ha;
- u32 crc;
-
- emac_hashhi = emac_hashlo = 0;
-
- netdev_for_each_mc_addr(ha, dev) {
- crc = ether_crc(ETH_ALEN, ha->addr);
- crc >>= 26;
-
- if (crc & 0x20)
- emac_hashhi |= 1 << (crc & 0x1f);
- else
- emac_hashlo |= 1 << (crc & 0x1f);
- }
-
- bfin_write_EMAC_HASHHI(emac_hashhi);
- bfin_write_EMAC_HASHLO(emac_hashlo);
-}
-
-/*
- * This routine will, depending on the values passed to it,
- * either make it accept multicast packets, go into
- * promiscuous mode (for TCPDUMP and cousins) or accept
- * a select set of multicast packets
- */
-static void bfin_mac_set_multicast_list(struct net_device *dev)
-{
- u32 sysctl;
-
- if (dev->flags & IFF_PROMISC) {
- netdev_info(dev, "set promisc mode\n");
- sysctl = bfin_read_EMAC_OPMODE();
- sysctl |= PR;
- bfin_write_EMAC_OPMODE(sysctl);
- } else if (dev->flags & IFF_ALLMULTI) {
- /* accept all multicast */
- sysctl = bfin_read_EMAC_OPMODE();
- sysctl |= PAM;
- bfin_write_EMAC_OPMODE(sysctl);
- } else if (!netdev_mc_empty(dev)) {
- /* set up multicast hash table */
- sysctl = bfin_read_EMAC_OPMODE();
- sysctl |= HM;
- bfin_write_EMAC_OPMODE(sysctl);
- bfin_mac_multicast_hash(dev);
- } else {
- /* clear promisc or multicast mode */
- sysctl = bfin_read_EMAC_OPMODE();
- sysctl &= ~(RAF | PAM);
- bfin_write_EMAC_OPMODE(sysctl);
- }
-}
-
-static int bfin_mac_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
-{
- if (!netif_running(netdev))
- return -EINVAL;
-
- switch (cmd) {
- case SIOCSHWTSTAMP:
- return bfin_mac_hwtstamp_set(netdev, ifr);
- case SIOCGHWTSTAMP:
- return bfin_mac_hwtstamp_get(netdev, ifr);
- default:
- if (netdev->phydev)
- return phy_mii_ioctl(netdev->phydev, ifr, cmd);
- else
- return -EOPNOTSUPP;
- }
-}
-
-/*
- * this puts the device in an inactive state
- */
-static void bfin_mac_shutdown(struct net_device *dev)
-{
- /* Turn off the EMAC */
- bfin_write_EMAC_OPMODE(0x00000000);
- /* Turn off the EMAC RX DMA */
- bfin_write_DMA1_CONFIG(0x0000);
- bfin_write_DMA2_CONFIG(0x0000);
-}
-
-/*
- * Open and Initialize the interface
- *
- * Set up everything, reset the card, etc..
- */
-static int bfin_mac_open(struct net_device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
- int ret;
- pr_debug("%s: %s\n", dev->name, __func__);
-
- /*
- * Check that the address is valid. If its not, refuse
- * to bring the device up. The user must specify an
- * address using ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx
- */
- if (!is_valid_ether_addr(dev->dev_addr)) {
- netdev_warn(dev, "no valid ethernet hw addr\n");
- return -EINVAL;
- }
-
- /* initial rx and tx list */
- ret = desc_list_init(dev);
- if (ret)
- return ret;
-
- phy_start(dev->phydev);
- setup_system_regs(dev);
- setup_mac_addr(dev->dev_addr);
-
- bfin_mac_disable();
- ret = bfin_mac_enable(dev->phydev);
- if (ret)
- return ret;
- pr_debug("hardware init finished\n");
-
- napi_enable(&lp->napi);
- netif_start_queue(dev);
- netif_carrier_on(dev);
-
- return 0;
-}
-
-/*
- * this makes the board clean up everything that it can
- * and not talk to the outside world. Caused by
- * an 'ifconfig ethX down'
- */
-static int bfin_mac_close(struct net_device *dev)
-{
- struct bfin_mac_local *lp = netdev_priv(dev);
- pr_debug("%s: %s\n", dev->name, __func__);
-
- netif_stop_queue(dev);
- napi_disable(&lp->napi);
- netif_carrier_off(dev);
-
- phy_stop(dev->phydev);
- phy_write(dev->phydev, MII_BMCR, BMCR_PDOWN);
-
- /* clear everything */
- bfin_mac_shutdown(dev);
-
- /* free the rx/tx buffers */
- desc_list_free();
-
- return 0;
-}
-
-static const struct net_device_ops bfin_mac_netdev_ops = {
- .ndo_open = bfin_mac_open,
- .ndo_stop = bfin_mac_close,
- .ndo_start_xmit = bfin_mac_hard_start_xmit,
- .ndo_set_mac_address = bfin_mac_set_mac_address,
- .ndo_tx_timeout = bfin_mac_timeout,
- .ndo_set_rx_mode = bfin_mac_set_multicast_list,
- .ndo_do_ioctl = bfin_mac_ioctl,
- .ndo_validate_addr = eth_validate_addr,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = bfin_mac_poll_controller,
-#endif
-};
-
-static int bfin_mac_probe(struct platform_device *pdev)
-{
- struct net_device *ndev;
- struct bfin_mac_local *lp;
- struct platform_device *pd;
- struct bfin_mii_bus_platform_data *mii_bus_data;
- int rc;
-
- ndev = alloc_etherdev(sizeof(struct bfin_mac_local));
- if (!ndev)
- return -ENOMEM;
-
- SET_NETDEV_DEV(ndev, &pdev->dev);
- platform_set_drvdata(pdev, ndev);
- lp = netdev_priv(ndev);
- lp->ndev = ndev;
-
- /* Grab the MAC address in the MAC */
- *(__le32 *) (&(ndev->dev_addr[0])) = cpu_to_le32(bfin_read_EMAC_ADDRLO());
- *(__le16 *) (&(ndev->dev_addr[4])) = cpu_to_le16((u16) bfin_read_EMAC_ADDRHI());
-
- /* probe mac */
- /*todo: how to probe? which is revision_register */
- bfin_write_EMAC_ADDRLO(0x12345678);
- if (bfin_read_EMAC_ADDRLO() != 0x12345678) {
- dev_err(&pdev->dev, "Cannot detect Blackfin on-chip ethernet MAC controller!\n");
- rc = -ENODEV;
- goto out_err_probe_mac;
- }
-
-
- /*
- * Is it valid? (Did bootloader initialize it?)
- * Grab the MAC from the board somehow
- * this is done in the arch/blackfin/mach-bfxxx/boards/eth_mac.c
- */
- if (!is_valid_ether_addr(ndev->dev_addr)) {
- if (bfin_get_ether_addr(ndev->dev_addr) ||
- !is_valid_ether_addr(ndev->dev_addr)) {
- /* Still not valid, get a random one */
- netdev_warn(ndev, "Setting Ethernet MAC to a random one\n");
- eth_hw_addr_random(ndev);
- }
- }
-
- setup_mac_addr(ndev->dev_addr);
-
- if (!dev_get_platdata(&pdev->dev)) {
- dev_err(&pdev->dev, "Cannot get platform device bfin_mii_bus!\n");
- rc = -ENODEV;
- goto out_err_probe_mac;
- }
- pd = dev_get_platdata(&pdev->dev);
- lp->mii_bus = platform_get_drvdata(pd);
- if (!lp->mii_bus) {
- dev_err(&pdev->dev, "Cannot get mii_bus!\n");
- rc = -ENODEV;
- goto out_err_probe_mac;
- }
- lp->mii_bus->priv = ndev;
- mii_bus_data = dev_get_platdata(&pd->dev);
-
- rc = mii_probe(ndev, mii_bus_data->phy_mode);
- if (rc) {
- dev_err(&pdev->dev, "MII Probe failed!\n");
- goto out_err_mii_probe;
- }
-
- lp->vlan1_mask = ETH_P_8021Q | mii_bus_data->vlan1_mask;
- lp->vlan2_mask = ETH_P_8021Q | mii_bus_data->vlan2_mask;
-
- ndev->netdev_ops = &bfin_mac_netdev_ops;
- ndev->ethtool_ops = &bfin_mac_ethtool_ops;
-
- timer_setup(&lp->tx_reclaim_timer, tx_reclaim_skb_timeout, 0);
-
- lp->flags = 0;
- netif_napi_add(ndev, &lp->napi, bfin_mac_poll, CONFIG_BFIN_RX_DESC_NUM);
-
- spin_lock_init(&lp->lock);
-
- /* now, enable interrupts */
- /* register irq handler */
- rc = request_irq(IRQ_MAC_RX, bfin_mac_interrupt,
- 0, "EMAC_RX", ndev);
- if (rc) {
- dev_err(&pdev->dev, "Cannot request Blackfin MAC RX IRQ!\n");
- rc = -EBUSY;
- goto out_err_request_irq;
- }
-
- rc = register_netdev(ndev);
- if (rc) {
- dev_err(&pdev->dev, "Cannot register net device!\n");
- goto out_err_reg_ndev;
- }
-
- bfin_mac_hwtstamp_init(ndev);
- rc = bfin_phc_init(ndev, &pdev->dev);
- if (rc) {
- dev_err(&pdev->dev, "Cannot register PHC device!\n");
- goto out_err_phc;
- }
-
- /* now, print out the card info, in a short format.. */
- netdev_info(ndev, "%s, Version %s\n", DRV_DESC, DRV_VERSION);
-
- return 0;
-
-out_err_phc:
-out_err_reg_ndev:
- free_irq(IRQ_MAC_RX, ndev);
-out_err_request_irq:
- netif_napi_del(&lp->napi);
-out_err_mii_probe:
- mdiobus_unregister(lp->mii_bus);
- mdiobus_free(lp->mii_bus);
-out_err_probe_mac:
- free_netdev(ndev);
-
- return rc;
-}
-
-static int bfin_mac_remove(struct platform_device *pdev)
-{
- struct net_device *ndev = platform_get_drvdata(pdev);
- struct bfin_mac_local *lp = netdev_priv(ndev);
-
- bfin_phc_release(lp);
-
- lp->mii_bus->priv = NULL;
-
- unregister_netdev(ndev);
-
- netif_napi_del(&lp->napi);
-
- free_irq(IRQ_MAC_RX, ndev);
-
- free_netdev(ndev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int bfin_mac_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
- struct net_device *net_dev = platform_get_drvdata(pdev);
- struct bfin_mac_local *lp = netdev_priv(net_dev);
-
- if (lp->wol) {
- bfin_write_EMAC_OPMODE((bfin_read_EMAC_OPMODE() & ~TE) | RE);
- bfin_write_EMAC_WKUP_CTL(MPKE);
- enable_irq_wake(IRQ_MAC_WAKEDET);
- } else {
- if (netif_running(net_dev))
- bfin_mac_close(net_dev);
- }
-
- return 0;
-}
-
-static int bfin_mac_resume(struct platform_device *pdev)
-{
- struct net_device *net_dev = platform_get_drvdata(pdev);
- struct bfin_mac_local *lp = netdev_priv(net_dev);
-
- if (lp->wol) {
- bfin_write_EMAC_OPMODE(bfin_read_EMAC_OPMODE() | TE);
- bfin_write_EMAC_WKUP_CTL(0);
- disable_irq_wake(IRQ_MAC_WAKEDET);
- } else {
- if (netif_running(net_dev))
- bfin_mac_open(net_dev);
- }
-
- return 0;
-}
-#else
-#define bfin_mac_suspend NULL
-#define bfin_mac_resume NULL
-#endif /* CONFIG_PM */
-
-static int bfin_mii_bus_probe(struct platform_device *pdev)
-{
- struct mii_bus *miibus;
- struct bfin_mii_bus_platform_data *mii_bus_pd;
- const unsigned short *pin_req;
- int rc, i;
-
- mii_bus_pd = dev_get_platdata(&pdev->dev);
- if (!mii_bus_pd) {
- dev_err(&pdev->dev, "No peripherals in platform data!\n");
- return -EINVAL;
- }
-
- /*
- * We are setting up a network card,
- * so set the GPIO pins to Ethernet mode
- */
- pin_req = mii_bus_pd->mac_peripherals;
- rc = peripheral_request_list(pin_req, KBUILD_MODNAME);
- if (rc) {
- dev_err(&pdev->dev, "Requesting peripherals failed!\n");
- return rc;
- }
-
- rc = -ENOMEM;
- miibus = mdiobus_alloc();
- if (miibus == NULL)
- goto out_err_alloc;
- miibus->read = bfin_mdiobus_read;
- miibus->write = bfin_mdiobus_write;
-
- miibus->parent = &pdev->dev;
- miibus->name = "bfin_mii_bus";
- miibus->phy_mask = mii_bus_pd->phy_mask;
-
- snprintf(miibus->id, MII_BUS_ID_SIZE, "%s-%x",
- pdev->name, pdev->id);
-
- rc = clamp(mii_bus_pd->phydev_number, 0, PHY_MAX_ADDR);
- if (rc != mii_bus_pd->phydev_number)
- dev_err(&pdev->dev, "Invalid number (%i) of phydevs\n",
- mii_bus_pd->phydev_number);
- for (i = 0; i < rc; ++i) {
- unsigned short phyaddr = mii_bus_pd->phydev_data[i].addr;
- if (phyaddr < PHY_MAX_ADDR)
- miibus->irq[phyaddr] = mii_bus_pd->phydev_data[i].irq;
- else
- dev_err(&pdev->dev,
- "Invalid PHY address %i for phydev %i\n",
- phyaddr, i);
- }
-
- rc = mdiobus_register(miibus);
- if (rc) {
- dev_err(&pdev->dev, "Cannot register MDIO bus!\n");
- goto out_err_irq_alloc;
- }
-
- platform_set_drvdata(pdev, miibus);
- return 0;
-
-out_err_irq_alloc:
- mdiobus_free(miibus);
-out_err_alloc:
- peripheral_free_list(pin_req);
-
- return rc;
-}
-
-static int bfin_mii_bus_remove(struct platform_device *pdev)
-{
- struct mii_bus *miibus = platform_get_drvdata(pdev);
- struct bfin_mii_bus_platform_data *mii_bus_pd =
- dev_get_platdata(&pdev->dev);
-
- mdiobus_unregister(miibus);
- mdiobus_free(miibus);
- peripheral_free_list(mii_bus_pd->mac_peripherals);
-
- return 0;
-}
-
-static struct platform_driver bfin_mii_bus_driver = {
- .probe = bfin_mii_bus_probe,
- .remove = bfin_mii_bus_remove,
- .driver = {
- .name = "bfin_mii_bus",
- },
-};
-
-static struct platform_driver bfin_mac_driver = {
- .probe = bfin_mac_probe,
- .remove = bfin_mac_remove,
- .resume = bfin_mac_resume,
- .suspend = bfin_mac_suspend,
- .driver = {
- .name = KBUILD_MODNAME,
- },
-};
-
-static struct platform_driver * const drivers[] = {
- &bfin_mii_bus_driver,
- &bfin_mac_driver,
-};
-
-static int __init bfin_mac_init(void)
-{
- return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
-}
-
-module_init(bfin_mac_init);
-
-static void __exit bfin_mac_cleanup(void)
-{
- platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
-}
-
-module_exit(bfin_mac_cleanup);
-
diff --git a/drivers/net/ethernet/adi/bfin_mac.h b/drivers/net/ethernet/adi/bfin_mac.h
deleted file mode 100644
index 4ad5b9b..0000000
--- a/drivers/net/ethernet/adi/bfin_mac.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Blackfin On-Chip MAC Driver
- *
- * Copyright 2004-2007 Analog Devices Inc.
- *
- * Enter bugs at http://blackfin.uclinux.org/
- *
- * Licensed under the GPL-2 or later.
- */
-#ifndef _BFIN_MAC_H_
-#define _BFIN_MAC_H_
-
-#include <linux/net_tstamp.h>
-#include <linux/ptp_clock_kernel.h>
-#include <linux/timer.h>
-#include <linux/etherdevice.h>
-#include <linux/bfin_mac.h>
-
-/*
- * Disable hardware checksum for bug #5600 if writeback cache is
- * enabled. Otherwize, corrupted RX packet will be sent up stack
- * without error mark.
- */
-#ifndef CONFIG_BFIN_EXTMEM_WRITEBACK
-#define BFIN_MAC_CSUM_OFFLOAD
-#endif
-
-#define TX_RECLAIM_JIFFIES (HZ / 5)
-#define BFIN_MAC_RX_IRQ_DISABLED 1
-
-struct dma_descriptor {
- struct dma_descriptor *next_dma_desc;
- unsigned long start_addr;
- unsigned short config;
- unsigned short x_count;
-};
-
-struct status_area_rx {
-#if defined(BFIN_MAC_CSUM_OFFLOAD)
- unsigned short ip_hdr_csum; /* ip header checksum */
- /* ip payload(udp or tcp or others) checksum */
- unsigned short ip_payload_csum;
-#endif
- unsigned long status_word; /* the frame status word */
-};
-
-struct status_area_tx {
- unsigned long status_word; /* the frame status word */
-};
-
-/* use two descriptors for a packet */
-struct net_dma_desc_rx {
- struct net_dma_desc_rx *next;
- struct sk_buff *skb;
- struct dma_descriptor desc_a;
- struct dma_descriptor desc_b;
- struct status_area_rx status;
-};
-
-/* use two descriptors for a packet */
-struct net_dma_desc_tx {
- struct net_dma_desc_tx *next;
- struct sk_buff *skb;
- struct dma_descriptor desc_a;
- struct dma_descriptor desc_b;
- unsigned char packet[1560];
- struct status_area_tx status;
-};
-
-struct bfin_mac_local {
- spinlock_t lock;
-
- int wol; /* Wake On Lan */
- int irq_wake_requested;
- struct timer_list tx_reclaim_timer;
- struct net_device *ndev;
- struct napi_struct napi;
- unsigned long flags;
-
- /* Data for EMAC_VLAN1 regs */
- u16 vlan1_mask, vlan2_mask;
-
- /* MII and PHY stuffs */
- int old_link; /* used by bf537_adjust_link */
- int old_speed;
- int old_duplex;
-
- struct mii_bus *mii_bus;
-
-#if defined(CONFIG_BFIN_MAC_USE_HWSTAMP)
- u32 addend;
- unsigned int shift;
- s32 max_ppb;
- struct hwtstamp_config stamp_cfg;
- struct ptp_clock_info caps;
- struct ptp_clock *clock;
- int phc_index;
- spinlock_t phc_lock; /* protects time lo/hi registers */
-#endif
-};
-
-int bfin_get_ether_addr(char *addr);
-
-#endif
diff --git a/drivers/net/ethernet/davicom/Kconfig b/drivers/net/ethernet/davicom/Kconfig
index 7ec2d74..680a6d9 100644
--- a/drivers/net/ethernet/davicom/Kconfig
+++ b/drivers/net/ethernet/davicom/Kconfig
@@ -4,7 +4,7 @@
config DM9000
tristate "DM9000 support"
- depends on ARM || BLACKFIN || MIPS || COLDFIRE || NIOS2
+ depends on ARM || MIPS || COLDFIRE || NIOS2
select CRC32
select MII
---help---
diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig
index 4c2f612e..aefa001 100644
--- a/drivers/net/ethernet/smsc/Kconfig
+++ b/drivers/net/ethernet/smsc/Kconfig
@@ -5,7 +5,7 @@
config NET_VENDOR_SMSC
bool "SMC (SMSC)/Western Digital devices"
default y
- depends on ARM || ARM64 || ATARI_ETHERNAT || BLACKFIN || COLDFIRE || \
+ depends on ARM || ARM64 || ATARI_ETHERNAT || COLDFIRE || \
ISA || M32R || MAC || MIPS || MN10300 || NIOS2 || PCI || \
PCMCIA || SUPERH || XTENSA || H8300
---help---
@@ -37,7 +37,7 @@ config SMC91X
select CRC32
select MII
depends on !OF || GPIOLIB
- depends on ARM || ARM64 || ATARI_ETHERNAT || BLACKFIN || COLDFIRE || \
+ depends on ARM || ARM64 || ATARI_ETHERNAT || COLDFIRE || \
M32R || MIPS || MN10300 || NIOS2 || SUPERH || XTENSA || H8300
---help---
This is a driver for SMC's 91x series of Ethernet chipsets,
diff --git a/include/linux/bfin_mac.h b/include/linux/bfin_mac.h
deleted file mode 100644
index a69554e..0000000
--- a/include/linux/bfin_mac.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Blackfin On-Chip MAC Driver
- *
- * Copyright 2004-2010 Analog Devices Inc.
- *
- * Enter bugs at http://blackfin.uclinux.org/
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef _LINUX_BFIN_MAC_H_
-#define _LINUX_BFIN_MAC_H_
-
-#include <linux/phy.h>
-
-struct bfin_phydev_platform_data {
- unsigned short addr;
- int irq;
-};
-
-struct bfin_mii_bus_platform_data {
- int phydev_number;
- struct bfin_phydev_platform_data *phydev_data;
- const unsigned short *mac_peripherals;
- int phy_mode;
- unsigned int phy_mask;
- unsigned short vlan1_mask, vlan2_mask;
-};
-
-#endif
--
2.7.4
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