diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-06-11 11:29:36 +0200 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-12 09:22:12 +0200 |
commit | ec21e2ec367697b4803e82662bdff6c8567745fc (patch) | |
tree | cdb42f597ff5e60516bdab59d306006fd1fafd1c /drivers/net/fs_enet | |
parent | eth16i: Move the Allied Telesis/Fujitsu drivers (diff) | |
download | linux-ec21e2ec367697b4803e82662bdff6c8567745fc.tar.xz linux-ec21e2ec367697b4803e82662bdff6c8567745fc.zip |
freescale: Move the Freescale drivers
Move the Freescale drivers into drivers/net/ethernet/freescale/ and
make the necessary Kconfig and Makefile changes.
CC: Sandeep Gopalpet <sandeep.kumar@freescale.com>
CC: Andy Fleming <afleming@freescale.com>
CC: Shlomi Gridish <gridish@freescale.com>
CC: Li Yang <leoli@freescale.com>
CC: Pantelis Antoniou <pantelis.antoniou@gmail.com>
CC: Vitaly Bordug <vbordug@ru.mvista.com>
CC: Dan Malek <dmalek@jlc.net>
CC: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/fs_enet')
-rw-r--r-- | drivers/net/fs_enet/Kconfig | 34 | ||||
-rw-r--r-- | drivers/net/fs_enet/Makefile | 14 | ||||
-rw-r--r-- | drivers/net/fs_enet/fec.h | 42 | ||||
-rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 1196 | ||||
-rw-r--r-- | drivers/net/fs_enet/fs_enet.h | 244 | ||||
-rw-r--r-- | drivers/net/fs_enet/mac-fcc.c | 584 | ||||
-rw-r--r-- | drivers/net/fs_enet/mac-fec.c | 498 | ||||
-rw-r--r-- | drivers/net/fs_enet/mac-scc.c | 484 | ||||
-rw-r--r-- | drivers/net/fs_enet/mii-bitbang.c | 246 | ||||
-rw-r--r-- | drivers/net/fs_enet/mii-fec.c | 251 |
10 files changed, 0 insertions, 3593 deletions
diff --git a/drivers/net/fs_enet/Kconfig b/drivers/net/fs_enet/Kconfig deleted file mode 100644 index fc073b5a38c7..000000000000 --- a/drivers/net/fs_enet/Kconfig +++ /dev/null @@ -1,34 +0,0 @@ -config FS_ENET - tristate "Freescale Ethernet Driver" - depends on CPM1 || CPM2 || PPC_MPC512x - select MII - select PHYLIB - -config FS_ENET_MPC5121_FEC - def_bool y if (FS_ENET && PPC_MPC512x) - select FS_ENET_HAS_FEC - -config FS_ENET_HAS_SCC - bool "Chip has an SCC usable for ethernet" - depends on FS_ENET && (CPM1 || CPM2) - default y - -config FS_ENET_HAS_FCC - bool "Chip has an FCC usable for ethernet" - depends on FS_ENET && CPM2 - default y - -config FS_ENET_HAS_FEC - bool "Chip has an FEC usable for ethernet" - depends on FS_ENET && (CPM1 || FS_ENET_MPC5121_FEC) - select FS_ENET_MDIO_FEC - default y - -config FS_ENET_MDIO_FEC - tristate "MDIO driver for FEC" - depends on FS_ENET && (CPM1 || FS_ENET_MPC5121_FEC) - -config FS_ENET_MDIO_FCC - tristate "MDIO driver for FCC" - depends on FS_ENET && CPM2 - select MDIO_BITBANG diff --git a/drivers/net/fs_enet/Makefile b/drivers/net/fs_enet/Makefile deleted file mode 100644 index d4a305ee3455..000000000000 --- a/drivers/net/fs_enet/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# Makefile for the Freescale Ethernet controllers -# - -obj-$(CONFIG_FS_ENET) += fs_enet.o - -fs_enet-$(CONFIG_FS_ENET_HAS_SCC) += mac-scc.o -fs_enet-$(CONFIG_FS_ENET_HAS_FEC) += mac-fec.o -fs_enet-$(CONFIG_FS_ENET_HAS_FCC) += mac-fcc.o - -obj-$(CONFIG_FS_ENET_MDIO_FEC) += mii-fec.o -obj-$(CONFIG_FS_ENET_MDIO_FCC) += mii-bitbang.o - -fs_enet-objs := fs_enet-main.o $(fs_enet-m) diff --git a/drivers/net/fs_enet/fec.h b/drivers/net/fs_enet/fec.h deleted file mode 100644 index e980527e2b99..000000000000 --- a/drivers/net/fs_enet/fec.h +++ /dev/null @@ -1,42 +0,0 @@ -#ifndef FS_ENET_FEC_H -#define FS_ENET_FEC_H - -/* CRC polynomium used by the FEC for the multicast group filtering */ -#define FEC_CRC_POLY 0x04C11DB7 - -#define FEC_MAX_MULTICAST_ADDRS 64 - -/* Interrupt events/masks. -*/ -#define FEC_ENET_HBERR 0x80000000U /* Heartbeat error */ -#define FEC_ENET_BABR 0x40000000U /* Babbling receiver */ -#define FEC_ENET_BABT 0x20000000U /* Babbling transmitter */ -#define FEC_ENET_GRA 0x10000000U /* Graceful stop complete */ -#define FEC_ENET_TXF 0x08000000U /* Full frame transmitted */ -#define FEC_ENET_TXB 0x04000000U /* A buffer was transmitted */ -#define FEC_ENET_RXF 0x02000000U /* Full frame received */ -#define FEC_ENET_RXB 0x01000000U /* A buffer was received */ -#define FEC_ENET_MII 0x00800000U /* MII interrupt */ -#define FEC_ENET_EBERR 0x00400000U /* SDMA bus error */ - -#define FEC_ECNTRL_PINMUX 0x00000004 -#define FEC_ECNTRL_ETHER_EN 0x00000002 -#define FEC_ECNTRL_RESET 0x00000001 - -#define FEC_RCNTRL_BC_REJ 0x00000010 -#define FEC_RCNTRL_PROM 0x00000008 -#define FEC_RCNTRL_MII_MODE 0x00000004 -#define FEC_RCNTRL_DRT 0x00000002 -#define FEC_RCNTRL_LOOP 0x00000001 - -#define FEC_TCNTRL_FDEN 0x00000004 -#define FEC_TCNTRL_HBC 0x00000002 -#define FEC_TCNTRL_GTS 0x00000001 - - - -/* - * Delay to wait for FEC reset command to complete (in us) - */ -#define FEC_RESET_DELAY 50 -#endif diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c deleted file mode 100644 index 329ef231a096..000000000000 --- a/drivers/net/fs_enet/fs_enet-main.c +++ /dev/null @@ -1,1196 +0,0 @@ -/* - * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. - * - * Copyright (c) 2003 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * Heavily based on original FEC driver by Dan Malek <dan@embeddededge.com> - * and modifications by Joakim Tjernlund <joakim.tjernlund@lumentis.se> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/bitops.h> -#include <linux/fs.h> -#include <linux/platform_device.h> -#include <linux/phy.h> -#include <linux/of.h> -#include <linux/of_mdio.h> -#include <linux/of_platform.h> -#include <linux/of_gpio.h> -#include <linux/of_net.h> - -#include <linux/vmalloc.h> -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.h> - -#include "fs_enet.h" - -/*************************************************/ - -MODULE_AUTHOR("Pantelis Antoniou <panto@intracom.gr>"); -MODULE_DESCRIPTION("Freescale Ethernet Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_MODULE_VERSION); - -static int fs_enet_debug = -1; /* -1 == use FS_ENET_DEF_MSG_ENABLE as value */ -module_param(fs_enet_debug, int, 0); -MODULE_PARM_DESC(fs_enet_debug, - "Freescale bitmapped debugging message enable value"); - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void fs_enet_netpoll(struct net_device *dev); -#endif - -static void fs_set_multicast_list(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - (*fep->ops->set_multicast_list)(dev); -} - -static void skb_align(struct sk_buff *skb, int align) -{ - int off = ((unsigned long)skb->data) & (align - 1); - - if (off) - skb_reserve(skb, align - off); -} - -/* NAPI receive function */ -static int fs_enet_rx_napi(struct napi_struct *napi, int budget) -{ - struct fs_enet_private *fep = container_of(napi, struct fs_enet_private, napi); - struct net_device *dev = fep->ndev; - const struct fs_platform_info *fpi = fep->fpi; - cbd_t __iomem *bdp; - struct sk_buff *skb, *skbn, *skbt; - int received = 0; - u16 pkt_len, sc; - int curidx; - - /* - * First, grab all of the stats for the incoming packet. - * These get messed up if we get called due to a busy condition. - */ - bdp = fep->cur_rx; - - /* clear RX status bits for napi*/ - (*fep->ops->napi_clear_rx_event)(dev); - - while (((sc = CBDR_SC(bdp)) & BD_ENET_RX_EMPTY) == 0) { - curidx = bdp - fep->rx_bd_base; - - /* - * Since we have allocated space to hold a complete frame, - * the last indicator should be set. - */ - if ((sc & BD_ENET_RX_LAST) == 0) - dev_warn(fep->dev, "rcv is not +last\n"); - - /* - * Check for errors. - */ - if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_CL | - BD_ENET_RX_NO | BD_ENET_RX_CR | BD_ENET_RX_OV)) { - fep->stats.rx_errors++; - /* Frame too long or too short. */ - if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH)) - fep->stats.rx_length_errors++; - /* Frame alignment */ - if (sc & (BD_ENET_RX_NO | BD_ENET_RX_CL)) - fep->stats.rx_frame_errors++; - /* CRC Error */ - if (sc & BD_ENET_RX_CR) - fep->stats.rx_crc_errors++; - /* FIFO overrun */ - if (sc & BD_ENET_RX_OV) - fep->stats.rx_crc_errors++; - - skb = fep->rx_skbuff[curidx]; - - dma_unmap_single(fep->dev, CBDR_BUFADDR(bdp), - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE); - - skbn = skb; - - } else { - skb = fep->rx_skbuff[curidx]; - - dma_unmap_single(fep->dev, CBDR_BUFADDR(bdp), - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE); - - /* - * Process the incoming frame. - */ - fep->stats.rx_packets++; - pkt_len = CBDR_DATLEN(bdp) - 4; /* remove CRC */ - fep->stats.rx_bytes += pkt_len + 4; - - if (pkt_len <= fpi->rx_copybreak) { - /* +2 to make IP header L1 cache aligned */ - skbn = dev_alloc_skb(pkt_len + 2); - if (skbn != NULL) { - skb_reserve(skbn, 2); /* align IP header */ - skb_copy_from_linear_data(skb, - skbn->data, pkt_len); - /* swap */ - skbt = skb; - skb = skbn; - skbn = skbt; - } - } else { - skbn = dev_alloc_skb(ENET_RX_FRSIZE); - - if (skbn) - skb_align(skbn, ENET_RX_ALIGN); - } - - if (skbn != NULL) { - skb_put(skb, pkt_len); /* Make room */ - skb->protocol = eth_type_trans(skb, dev); - received++; - netif_receive_skb(skb); - } else { - dev_warn(fep->dev, - "Memory squeeze, dropping packet.\n"); - fep->stats.rx_dropped++; - skbn = skb; - } - } - - fep->rx_skbuff[curidx] = skbn; - CBDW_BUFADDR(bdp, dma_map_single(fep->dev, skbn->data, - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE)); - CBDW_DATLEN(bdp, 0); - CBDW_SC(bdp, (sc & ~BD_ENET_RX_STATS) | BD_ENET_RX_EMPTY); - - /* - * Update BD pointer to next entry. - */ - if ((sc & BD_ENET_RX_WRAP) == 0) - bdp++; - else - bdp = fep->rx_bd_base; - - (*fep->ops->rx_bd_done)(dev); - - if (received >= budget) - break; - } - - fep->cur_rx = bdp; - - if (received < budget) { - /* done */ - napi_complete(napi); - (*fep->ops->napi_enable_rx)(dev); - } - return received; -} - -/* non NAPI receive function */ -static int fs_enet_rx_non_napi(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - cbd_t __iomem *bdp; - struct sk_buff *skb, *skbn, *skbt; - int received = 0; - u16 pkt_len, sc; - int curidx; - /* - * First, grab all of the stats for the incoming packet. - * These get messed up if we get called due to a busy condition. - */ - bdp = fep->cur_rx; - - while (((sc = CBDR_SC(bdp)) & BD_ENET_RX_EMPTY) == 0) { - - curidx = bdp - fep->rx_bd_base; - - /* - * Since we have allocated space to hold a complete frame, - * the last indicator should be set. - */ - if ((sc & BD_ENET_RX_LAST) == 0) - dev_warn(fep->dev, "rcv is not +last\n"); - - /* - * Check for errors. - */ - if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_CL | - BD_ENET_RX_NO | BD_ENET_RX_CR | BD_ENET_RX_OV)) { - fep->stats.rx_errors++; - /* Frame too long or too short. */ - if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH)) - fep->stats.rx_length_errors++; - /* Frame alignment */ - if (sc & (BD_ENET_RX_NO | BD_ENET_RX_CL)) - fep->stats.rx_frame_errors++; - /* CRC Error */ - if (sc & BD_ENET_RX_CR) - fep->stats.rx_crc_errors++; - /* FIFO overrun */ - if (sc & BD_ENET_RX_OV) - fep->stats.rx_crc_errors++; - - skb = fep->rx_skbuff[curidx]; - - dma_unmap_single(fep->dev, CBDR_BUFADDR(bdp), - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE); - - skbn = skb; - - } else { - - skb = fep->rx_skbuff[curidx]; - - dma_unmap_single(fep->dev, CBDR_BUFADDR(bdp), - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE); - - /* - * Process the incoming frame. - */ - fep->stats.rx_packets++; - pkt_len = CBDR_DATLEN(bdp) - 4; /* remove CRC */ - fep->stats.rx_bytes += pkt_len + 4; - - if (pkt_len <= fpi->rx_copybreak) { - /* +2 to make IP header L1 cache aligned */ - skbn = dev_alloc_skb(pkt_len + 2); - if (skbn != NULL) { - skb_reserve(skbn, 2); /* align IP header */ - skb_copy_from_linear_data(skb, - skbn->data, pkt_len); - /* swap */ - skbt = skb; - skb = skbn; - skbn = skbt; - } - } else { - skbn = dev_alloc_skb(ENET_RX_FRSIZE); - - if (skbn) - skb_align(skbn, ENET_RX_ALIGN); - } - - if (skbn != NULL) { - skb_put(skb, pkt_len); /* Make room */ - skb->protocol = eth_type_trans(skb, dev); - received++; - netif_rx(skb); - } else { - dev_warn(fep->dev, - "Memory squeeze, dropping packet.\n"); - fep->stats.rx_dropped++; - skbn = skb; - } - } - - fep->rx_skbuff[curidx] = skbn; - CBDW_BUFADDR(bdp, dma_map_single(fep->dev, skbn->data, - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE)); - CBDW_DATLEN(bdp, 0); - CBDW_SC(bdp, (sc & ~BD_ENET_RX_STATS) | BD_ENET_RX_EMPTY); - - /* - * Update BD pointer to next entry. - */ - if ((sc & BD_ENET_RX_WRAP) == 0) - bdp++; - else - bdp = fep->rx_bd_base; - - (*fep->ops->rx_bd_done)(dev); - } - - fep->cur_rx = bdp; - - return 0; -} - -static void fs_enet_tx(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - cbd_t __iomem *bdp; - struct sk_buff *skb; - int dirtyidx, do_wake, do_restart; - u16 sc; - - spin_lock(&fep->tx_lock); - bdp = fep->dirty_tx; - - do_wake = do_restart = 0; - while (((sc = CBDR_SC(bdp)) & BD_ENET_TX_READY) == 0) { - dirtyidx = bdp - fep->tx_bd_base; - - if (fep->tx_free == fep->tx_ring) - break; - - skb = fep->tx_skbuff[dirtyidx]; - - /* - * Check for errors. - */ - if (sc & (BD_ENET_TX_HB | BD_ENET_TX_LC | - BD_ENET_TX_RL | BD_ENET_TX_UN | BD_ENET_TX_CSL)) { - - if (sc & BD_ENET_TX_HB) /* No heartbeat */ - fep->stats.tx_heartbeat_errors++; - if (sc & BD_ENET_TX_LC) /* Late collision */ - fep->stats.tx_window_errors++; - if (sc & BD_ENET_TX_RL) /* Retrans limit */ - fep->stats.tx_aborted_errors++; - if (sc & BD_ENET_TX_UN) /* Underrun */ - fep->stats.tx_fifo_errors++; - if (sc & BD_ENET_TX_CSL) /* Carrier lost */ - fep->stats.tx_carrier_errors++; - - if (sc & (BD_ENET_TX_LC | BD_ENET_TX_RL | BD_ENET_TX_UN)) { - fep->stats.tx_errors++; - do_restart = 1; - } - } else - fep->stats.tx_packets++; - - if (sc & BD_ENET_TX_READY) { - dev_warn(fep->dev, - "HEY! Enet xmit interrupt and TX_READY.\n"); - } - - /* - * Deferred means some collisions occurred during transmit, - * but we eventually sent the packet OK. - */ - if (sc & BD_ENET_TX_DEF) - fep->stats.collisions++; - - /* unmap */ - dma_unmap_single(fep->dev, CBDR_BUFADDR(bdp), - skb->len, DMA_TO_DEVICE); - - /* - * Free the sk buffer associated with this last transmit. - */ - dev_kfree_skb_irq(skb); - fep->tx_skbuff[dirtyidx] = NULL; - - /* - * Update pointer to next buffer descriptor to be transmitted. - */ - if ((sc & BD_ENET_TX_WRAP) == 0) - bdp++; - else - bdp = fep->tx_bd_base; - - /* - * Since we have freed up a buffer, the ring is no longer - * full. - */ - if (!fep->tx_free++) - do_wake = 1; - } - - fep->dirty_tx = bdp; - - if (do_restart) - (*fep->ops->tx_restart)(dev); - - spin_unlock(&fep->tx_lock); - - if (do_wake) - netif_wake_queue(dev); -} - -/* - * The interrupt handler. - * This is called from the MPC core interrupt. - */ -static irqreturn_t -fs_enet_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct fs_enet_private *fep; - const struct fs_platform_info *fpi; - u32 int_events; - u32 int_clr_events; - int nr, napi_ok; - int handled; - - fep = netdev_priv(dev); - fpi = fep->fpi; - - nr = 0; - while ((int_events = (*fep->ops->get_int_events)(dev)) != 0) { - nr++; - - int_clr_events = int_events; - if (fpi->use_napi) - int_clr_events &= ~fep->ev_napi_rx; - - (*fep->ops->clear_int_events)(dev, int_clr_events); - - if (int_events & fep->ev_err) - (*fep->ops->ev_error)(dev, int_events); - - if (int_events & fep->ev_rx) { - if (!fpi->use_napi) - fs_enet_rx_non_napi(dev); - else { - napi_ok = napi_schedule_prep(&fep->napi); - - (*fep->ops->napi_disable_rx)(dev); - (*fep->ops->clear_int_events)(dev, fep->ev_napi_rx); - - /* NOTE: it is possible for FCCs in NAPI mode */ - /* to submit a spurious interrupt while in poll */ - if (napi_ok) - __napi_schedule(&fep->napi); - } - } - - if (int_events & fep->ev_tx) - fs_enet_tx(dev); - } - - handled = nr > 0; - return IRQ_RETVAL(handled); -} - -void fs_init_bds(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - cbd_t __iomem *bdp; - struct sk_buff *skb; - int i; - - fs_cleanup_bds(dev); - - fep->dirty_tx = fep->cur_tx = fep->tx_bd_base; - fep->tx_free = fep->tx_ring; - fep->cur_rx = fep->rx_bd_base; - - /* - * Initialize the receive buffer descriptors. - */ - for (i = 0, bdp = fep->rx_bd_base; i < fep->rx_ring; i++, bdp++) { - skb = dev_alloc_skb(ENET_RX_FRSIZE); - if (skb == NULL) { - dev_warn(fep->dev, - "Memory squeeze, unable to allocate skb\n"); - break; - } - skb_align(skb, ENET_RX_ALIGN); - fep->rx_skbuff[i] = skb; - CBDW_BUFADDR(bdp, - dma_map_single(fep->dev, skb->data, - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE)); - CBDW_DATLEN(bdp, 0); /* zero */ - CBDW_SC(bdp, BD_ENET_RX_EMPTY | - ((i < fep->rx_ring - 1) ? 0 : BD_SC_WRAP)); - } - /* - * if we failed, fillup remainder - */ - for (; i < fep->rx_ring; i++, bdp++) { - fep->rx_skbuff[i] = NULL; - CBDW_SC(bdp, (i < fep->rx_ring - 1) ? 0 : BD_SC_WRAP); - } - - /* - * ...and the same for transmit. - */ - for (i = 0, bdp = fep->tx_bd_base; i < fep->tx_ring; i++, bdp++) { - fep->tx_skbuff[i] = NULL; - CBDW_BUFADDR(bdp, 0); - CBDW_DATLEN(bdp, 0); - CBDW_SC(bdp, (i < fep->tx_ring - 1) ? 0 : BD_SC_WRAP); - } -} - -void fs_cleanup_bds(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct sk_buff *skb; - cbd_t __iomem *bdp; - int i; - - /* - * Reset SKB transmit buffers. - */ - for (i = 0, bdp = fep->tx_bd_base; i < fep->tx_ring; i++, bdp++) { - if ((skb = fep->tx_skbuff[i]) == NULL) - continue; - - /* unmap */ - dma_unmap_single(fep->dev, CBDR_BUFADDR(bdp), - skb->len, DMA_TO_DEVICE); - - fep->tx_skbuff[i] = NULL; - dev_kfree_skb(skb); - } - - /* - * Reset SKB receive buffers - */ - for (i = 0, bdp = fep->rx_bd_base; i < fep->rx_ring; i++, bdp++) { - if ((skb = fep->rx_skbuff[i]) == NULL) - continue; - - /* unmap */ - dma_unmap_single(fep->dev, CBDR_BUFADDR(bdp), - L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), - DMA_FROM_DEVICE); - - fep->rx_skbuff[i] = NULL; - - dev_kfree_skb(skb); - } -} - -/**********************************************************************************/ - -#ifdef CONFIG_FS_ENET_MPC5121_FEC -/* - * MPC5121 FEC requeries 4-byte alignment for TX data buffer! - */ -static struct sk_buff *tx_skb_align_workaround(struct net_device *dev, - struct sk_buff *skb) -{ - struct sk_buff *new_skb; - struct fs_enet_private *fep = netdev_priv(dev); - - /* Alloc new skb */ - new_skb = dev_alloc_skb(skb->len + 4); - if (!new_skb) { - if (net_ratelimit()) { - dev_warn(fep->dev, - "Memory squeeze, dropping tx packet.\n"); - } - return NULL; - } - - /* Make sure new skb is properly aligned */ - skb_align(new_skb, 4); - - /* Copy data to new skb ... */ - skb_copy_from_linear_data(skb, new_skb->data, skb->len); - skb_put(new_skb, skb->len); - - /* ... and free an old one */ - dev_kfree_skb_any(skb); - - return new_skb; -} -#endif - -static int fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - cbd_t __iomem *bdp; - int curidx; - u16 sc; - unsigned long flags; - -#ifdef CONFIG_FS_ENET_MPC5121_FEC - if (((unsigned long)skb->data) & 0x3) { - skb = tx_skb_align_workaround(dev, skb); - if (!skb) { - /* - * We have lost packet due to memory allocation error - * in tx_skb_align_workaround(). Hopefully original - * skb is still valid, so try transmit it later. - */ - return NETDEV_TX_BUSY; - } - } -#endif - spin_lock_irqsave(&fep->tx_lock, flags); - - /* - * Fill in a Tx ring entry - */ - bdp = fep->cur_tx; - - if (!fep->tx_free || (CBDR_SC(bdp) & BD_ENET_TX_READY)) { - netif_stop_queue(dev); - spin_unlock_irqrestore(&fep->tx_lock, flags); - - /* - * Ooops. All transmit buffers are full. Bail out. - * This should not happen, since the tx queue should be stopped. - */ - dev_warn(fep->dev, "tx queue full!.\n"); - return NETDEV_TX_BUSY; - } - - curidx = bdp - fep->tx_bd_base; - /* - * Clear all of the status flags. - */ - CBDC_SC(bdp, BD_ENET_TX_STATS); - - /* - * Save skb pointer. - */ - fep->tx_skbuff[curidx] = skb; - - fep->stats.tx_bytes += skb->len; - - /* - * Push the data cache so the CPM does not get stale memory data. - */ - CBDW_BUFADDR(bdp, dma_map_single(fep->dev, - skb->data, skb->len, DMA_TO_DEVICE)); - CBDW_DATLEN(bdp, skb->len); - - /* - * If this was the last BD in the ring, start at the beginning again. - */ - if ((CBDR_SC(bdp) & BD_ENET_TX_WRAP) == 0) - fep->cur_tx++; - else - fep->cur_tx = fep->tx_bd_base; - - if (!--fep->tx_free) - netif_stop_queue(dev); - - /* Trigger transmission start */ - sc = BD_ENET_TX_READY | BD_ENET_TX_INTR | - BD_ENET_TX_LAST | BD_ENET_TX_TC; - - /* note that while FEC does not have this bit - * it marks it as available for software use - * yay for hw reuse :) */ - if (skb->len <= 60) - sc |= BD_ENET_TX_PAD; - CBDS_SC(bdp, sc); - - skb_tx_timestamp(skb); - - (*fep->ops->tx_kickstart)(dev); - - spin_unlock_irqrestore(&fep->tx_lock, flags); - - return NETDEV_TX_OK; -} - -static void fs_timeout(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - unsigned long flags; - int wake = 0; - - fep->stats.tx_errors++; - - spin_lock_irqsave(&fep->lock, flags); - - if (dev->flags & IFF_UP) { - phy_stop(fep->phydev); - (*fep->ops->stop)(dev); - (*fep->ops->restart)(dev); - phy_start(fep->phydev); - } - - phy_start(fep->phydev); - wake = fep->tx_free && !(CBDR_SC(fep->cur_tx) & BD_ENET_TX_READY); - spin_unlock_irqrestore(&fep->lock, flags); - - if (wake) - netif_wake_queue(dev); -} - -/*----------------------------------------------------------------------------- - * generic link-change handler - should be sufficient for most cases - *-----------------------------------------------------------------------------*/ -static void generic_adjust_link(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct phy_device *phydev = fep->phydev; - int new_state = 0; - - if (phydev->link) { - /* adjust to duplex mode */ - if (phydev->duplex != fep->oldduplex) { - new_state = 1; - fep->oldduplex = phydev->duplex; - } - - if (phydev->speed != fep->oldspeed) { - new_state = 1; - fep->oldspeed = phydev->speed; - } - - if (!fep->oldlink) { - new_state = 1; - fep->oldlink = 1; - } - - if (new_state) - fep->ops->restart(dev); - } else if (fep->oldlink) { - new_state = 1; - fep->oldlink = 0; - fep->oldspeed = 0; - fep->oldduplex = -1; - } - - if (new_state && netif_msg_link(fep)) - phy_print_status(phydev); -} - - -static void fs_adjust_link(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - unsigned long flags; - - spin_lock_irqsave(&fep->lock, flags); - - if(fep->ops->adjust_link) - fep->ops->adjust_link(dev); - else - generic_adjust_link(dev); - - spin_unlock_irqrestore(&fep->lock, flags); -} - -static int fs_init_phy(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct phy_device *phydev; - - fep->oldlink = 0; - fep->oldspeed = 0; - fep->oldduplex = -1; - - phydev = of_phy_connect(dev, fep->fpi->phy_node, &fs_adjust_link, 0, - PHY_INTERFACE_MODE_MII); - if (!phydev) { - phydev = of_phy_connect_fixed_link(dev, &fs_adjust_link, - PHY_INTERFACE_MODE_MII); - } - if (!phydev) { - dev_err(&dev->dev, "Could not attach to PHY\n"); - return -ENODEV; - } - - fep->phydev = phydev; - - return 0; -} - -static int fs_enet_open(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - int r; - int err; - - /* to initialize the fep->cur_rx,... */ - /* not doing this, will cause a crash in fs_enet_rx_napi */ - fs_init_bds(fep->ndev); - - if (fep->fpi->use_napi) - napi_enable(&fep->napi); - - /* Install our interrupt handler. */ - r = request_irq(fep->interrupt, fs_enet_interrupt, IRQF_SHARED, - "fs_enet-mac", dev); - if (r != 0) { - dev_err(fep->dev, "Could not allocate FS_ENET IRQ!"); - if (fep->fpi->use_napi) - napi_disable(&fep->napi); - return -EINVAL; - } - - err = fs_init_phy(dev); - if (err) { - free_irq(fep->interrupt, dev); - if (fep->fpi->use_napi) - napi_disable(&fep->napi); - return err; - } - phy_start(fep->phydev); - - netif_start_queue(dev); - - return 0; -} - -static int fs_enet_close(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - unsigned long flags; - - netif_stop_queue(dev); - netif_carrier_off(dev); - if (fep->fpi->use_napi) - napi_disable(&fep->napi); - phy_stop(fep->phydev); - - spin_lock_irqsave(&fep->lock, flags); - spin_lock(&fep->tx_lock); - (*fep->ops->stop)(dev); - spin_unlock(&fep->tx_lock); - spin_unlock_irqrestore(&fep->lock, flags); - - /* release any irqs */ - phy_disconnect(fep->phydev); - fep->phydev = NULL; - free_irq(fep->interrupt, dev); - - return 0; -} - -static struct net_device_stats *fs_enet_get_stats(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - return &fep->stats; -} - -/*************************************************************************/ - -static void fs_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - strcpy(info->driver, DRV_MODULE_NAME); - strcpy(info->version, DRV_MODULE_VERSION); -} - -static int fs_get_regs_len(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - return (*fep->ops->get_regs_len)(dev); -} - -static void fs_get_regs(struct net_device *dev, struct ethtool_regs *regs, - void *p) -{ - struct fs_enet_private *fep = netdev_priv(dev); - unsigned long flags; - int r, len; - - len = regs->len; - - spin_lock_irqsave(&fep->lock, flags); - r = (*fep->ops->get_regs)(dev, p, &len); - spin_unlock_irqrestore(&fep->lock, flags); - - if (r == 0) - regs->version = 0; -} - -static int fs_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (!fep->phydev) - return -ENODEV; - - return phy_ethtool_gset(fep->phydev, cmd); -} - -static int fs_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (!fep->phydev) - return -ENODEV; - - return phy_ethtool_sset(fep->phydev, cmd); -} - -static int fs_nway_reset(struct net_device *dev) -{ - return 0; -} - -static u32 fs_get_msglevel(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - return fep->msg_enable; -} - -static void fs_set_msglevel(struct net_device *dev, u32 value) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fep->msg_enable = value; -} - -static const struct ethtool_ops fs_ethtool_ops = { - .get_drvinfo = fs_get_drvinfo, - .get_regs_len = fs_get_regs_len, - .get_settings = fs_get_settings, - .set_settings = fs_set_settings, - .nway_reset = fs_nway_reset, - .get_link = ethtool_op_get_link, - .get_msglevel = fs_get_msglevel, - .set_msglevel = fs_set_msglevel, - .get_regs = fs_get_regs, -}; - -static int fs_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (!netif_running(dev)) - return -EINVAL; - - return phy_mii_ioctl(fep->phydev, rq, cmd); -} - -extern int fs_mii_connect(struct net_device *dev); -extern void fs_mii_disconnect(struct net_device *dev); - -/**************************************************************************************/ - -#ifdef CONFIG_FS_ENET_HAS_FEC -#define IS_FEC(match) ((match)->data == &fs_fec_ops) -#else -#define IS_FEC(match) 0 -#endif - -static const struct net_device_ops fs_enet_netdev_ops = { - .ndo_open = fs_enet_open, - .ndo_stop = fs_enet_close, - .ndo_get_stats = fs_enet_get_stats, - .ndo_start_xmit = fs_enet_start_xmit, - .ndo_tx_timeout = fs_timeout, - .ndo_set_multicast_list = fs_set_multicast_list, - .ndo_do_ioctl = fs_ioctl, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, - .ndo_change_mtu = eth_change_mtu, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = fs_enet_netpoll, -#endif -}; - -static struct of_device_id fs_enet_match[]; -static int __devinit fs_enet_probe(struct platform_device *ofdev) -{ - const struct of_device_id *match; - struct net_device *ndev; - struct fs_enet_private *fep; - struct fs_platform_info *fpi; - const u32 *data; - const u8 *mac_addr; - int privsize, len, ret = -ENODEV; - - match = of_match_device(fs_enet_match, &ofdev->dev); - if (!match) - return -EINVAL; - - fpi = kzalloc(sizeof(*fpi), GFP_KERNEL); - if (!fpi) - return -ENOMEM; - - if (!IS_FEC(match)) { - data = of_get_property(ofdev->dev.of_node, "fsl,cpm-command", &len); - if (!data || len != 4) - goto out_free_fpi; - - fpi->cp_command = *data; - } - - fpi->rx_ring = 32; - fpi->tx_ring = 32; - fpi->rx_copybreak = 240; - fpi->use_napi = 1; - fpi->napi_weight = 17; - fpi->phy_node = of_parse_phandle(ofdev->dev.of_node, "phy-handle", 0); - if ((!fpi->phy_node) && (!of_get_property(ofdev->dev.of_node, "fixed-link", - NULL))) - goto out_free_fpi; - - privsize = sizeof(*fep) + - sizeof(struct sk_buff **) * - (fpi->rx_ring + fpi->tx_ring); - - ndev = alloc_etherdev(privsize); - if (!ndev) { - ret = -ENOMEM; - goto out_put; - } - - SET_NETDEV_DEV(ndev, &ofdev->dev); - dev_set_drvdata(&ofdev->dev, ndev); - - fep = netdev_priv(ndev); - fep->dev = &ofdev->dev; - fep->ndev = ndev; - fep->fpi = fpi; - fep->ops = match->data; - - ret = fep->ops->setup_data(ndev); - if (ret) - goto out_free_dev; - - fep->rx_skbuff = (struct sk_buff **)&fep[1]; - fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring; - - spin_lock_init(&fep->lock); - spin_lock_init(&fep->tx_lock); - - mac_addr = of_get_mac_address(ofdev->dev.of_node); - if (mac_addr) - memcpy(ndev->dev_addr, mac_addr, 6); - - ret = fep->ops->allocate_bd(ndev); - if (ret) - goto out_cleanup_data; - - fep->rx_bd_base = fep->ring_base; - fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring; - - fep->tx_ring = fpi->tx_ring; - fep->rx_ring = fpi->rx_ring; - - ndev->netdev_ops = &fs_enet_netdev_ops; - ndev->watchdog_timeo = 2 * HZ; - if (fpi->use_napi) - netif_napi_add(ndev, &fep->napi, fs_enet_rx_napi, - fpi->napi_weight); - - ndev->ethtool_ops = &fs_ethtool_ops; - - init_timer(&fep->phy_timer_list); - - netif_carrier_off(ndev); - - ret = register_netdev(ndev); - if (ret) - goto out_free_bd; - - pr_info("%s: fs_enet: %pM\n", ndev->name, ndev->dev_addr); - - return 0; - -out_free_bd: - fep->ops->free_bd(ndev); -out_cleanup_data: - fep->ops->cleanup_data(ndev); -out_free_dev: - free_netdev(ndev); - dev_set_drvdata(&ofdev->dev, NULL); -out_put: - of_node_put(fpi->phy_node); -out_free_fpi: - kfree(fpi); - return ret; -} - -static int fs_enet_remove(struct platform_device *ofdev) -{ - struct net_device *ndev = dev_get_drvdata(&ofdev->dev); - struct fs_enet_private *fep = netdev_priv(ndev); - - unregister_netdev(ndev); - - fep->ops->free_bd(ndev); - fep->ops->cleanup_data(ndev); - dev_set_drvdata(fep->dev, NULL); - of_node_put(fep->fpi->phy_node); - free_netdev(ndev); - return 0; -} - -static struct of_device_id fs_enet_match[] = { -#ifdef CONFIG_FS_ENET_HAS_SCC - { - .compatible = "fsl,cpm1-scc-enet", - .data = (void *)&fs_scc_ops, - }, - { - .compatible = "fsl,cpm2-scc-enet", - .data = (void *)&fs_scc_ops, - }, -#endif -#ifdef CONFIG_FS_ENET_HAS_FCC - { - .compatible = "fsl,cpm2-fcc-enet", - .data = (void *)&fs_fcc_ops, - }, -#endif -#ifdef CONFIG_FS_ENET_HAS_FEC -#ifdef CONFIG_FS_ENET_MPC5121_FEC - { - .compatible = "fsl,mpc5121-fec", - .data = (void *)&fs_fec_ops, - }, -#else - { - .compatible = "fsl,pq1-fec-enet", - .data = (void *)&fs_fec_ops, - }, -#endif -#endif - {} -}; -MODULE_DEVICE_TABLE(of, fs_enet_match); - -static struct platform_driver fs_enet_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "fs_enet", - .of_match_table = fs_enet_match, - }, - .probe = fs_enet_probe, - .remove = fs_enet_remove, -}; - -static int __init fs_init(void) -{ - return platform_driver_register(&fs_enet_driver); -} - -static void __exit fs_cleanup(void) -{ - platform_driver_unregister(&fs_enet_driver); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void fs_enet_netpoll(struct net_device *dev) -{ - disable_irq(dev->irq); - fs_enet_interrupt(dev->irq, dev); - enable_irq(dev->irq); -} -#endif - -/**************************************************************************************/ - -module_init(fs_init); -module_exit(fs_cleanup); diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h deleted file mode 100644 index 1ece4b1a689e..000000000000 --- a/drivers/net/fs_enet/fs_enet.h +++ /dev/null @@ -1,244 +0,0 @@ -#ifndef FS_ENET_H -#define FS_ENET_H - -#include <linux/mii.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/list.h> -#include <linux/phy.h> -#include <linux/dma-mapping.h> - -#include <linux/fs_enet_pd.h> -#include <asm/fs_pd.h> - -#ifdef CONFIG_CPM1 -#include <asm/cpm1.h> -#endif - -#if defined(CONFIG_FS_ENET_HAS_FEC) -#include <asm/cpm.h> - -#if defined(CONFIG_FS_ENET_MPC5121_FEC) -/* MPC5121 FEC has different register layout */ -struct fec { - u32 fec_reserved0; - u32 fec_ievent; /* Interrupt event reg */ - u32 fec_imask; /* Interrupt mask reg */ - u32 fec_reserved1; - u32 fec_r_des_active; /* Receive descriptor reg */ - u32 fec_x_des_active; /* Transmit descriptor reg */ - u32 fec_reserved2[3]; - u32 fec_ecntrl; /* Ethernet control reg */ - u32 fec_reserved3[6]; - u32 fec_mii_data; /* MII manage frame reg */ - u32 fec_mii_speed; /* MII speed control reg */ - u32 fec_reserved4[7]; - u32 fec_mib_ctrlstat; /* MIB control/status reg */ - u32 fec_reserved5[7]; - u32 fec_r_cntrl; /* Receive control reg */ - u32 fec_reserved6[15]; - u32 fec_x_cntrl; /* Transmit Control reg */ - u32 fec_reserved7[7]; - u32 fec_addr_low; /* Low 32bits MAC address */ - u32 fec_addr_high; /* High 16bits MAC address */ - u32 fec_opd; /* Opcode + Pause duration */ - u32 fec_reserved8[10]; - u32 fec_hash_table_high; /* High 32bits hash table */ - u32 fec_hash_table_low; /* Low 32bits hash table */ - u32 fec_grp_hash_table_high; /* High 32bits hash table */ - u32 fec_grp_hash_table_low; /* Low 32bits hash table */ - u32 fec_reserved9[7]; - u32 fec_x_wmrk; /* FIFO transmit water mark */ - u32 fec_reserved10; - u32 fec_r_bound; /* FIFO receive bound reg */ - u32 fec_r_fstart; /* FIFO receive start reg */ - u32 fec_reserved11[11]; - u32 fec_r_des_start; /* Receive descriptor ring */ - u32 fec_x_des_start; /* Transmit descriptor ring */ - u32 fec_r_buff_size; /* Maximum receive buff size */ - u32 fec_reserved12[26]; - u32 fec_dma_control; /* DMA Endian and other ctrl */ -}; -#endif - -struct fec_info { - struct fec __iomem *fecp; - u32 mii_speed; -}; -#endif - -#ifdef CONFIG_CPM2 -#include <asm/cpm2.h> -#endif - -/* hw driver ops */ -struct fs_ops { - int (*setup_data)(struct net_device *dev); - int (*allocate_bd)(struct net_device *dev); - void (*free_bd)(struct net_device *dev); - void (*cleanup_data)(struct net_device *dev); - void (*set_multicast_list)(struct net_device *dev); - void (*adjust_link)(struct net_device *dev); - void (*restart)(struct net_device *dev); - void (*stop)(struct net_device *dev); - void (*napi_clear_rx_event)(struct net_device *dev); - void (*napi_enable_rx)(struct net_device *dev); - void (*napi_disable_rx)(struct net_device *dev); - void (*rx_bd_done)(struct net_device *dev); - void (*tx_kickstart)(struct net_device *dev); - u32 (*get_int_events)(struct net_device *dev); - void (*clear_int_events)(struct net_device *dev, u32 int_events); - void (*ev_error)(struct net_device *dev, u32 int_events); - int (*get_regs)(struct net_device *dev, void *p, int *sizep); - int (*get_regs_len)(struct net_device *dev); - void (*tx_restart)(struct net_device *dev); -}; - -struct phy_info { - unsigned int id; - const char *name; - void (*startup) (struct net_device * dev); - void (*shutdown) (struct net_device * dev); - void (*ack_int) (struct net_device * dev); -}; - -/* The FEC stores dest/src/type, data, and checksum for receive packets. - */ -#define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */ -#define MIN_MTU 46 /* this is data size */ -#define CRC_LEN 4 - -#define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN) -#define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN) - -/* Must be a multiple of 32 (to cover both FEC & FCC) */ -#define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31) -/* This is needed so that invalidate_xxx wont invalidate too much */ -#define ENET_RX_ALIGN 16 -#define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE + ENET_RX_ALIGN - 1) - -struct fs_enet_private { - struct napi_struct napi; - struct device *dev; /* pointer back to the device (must be initialized first) */ - struct net_device *ndev; - spinlock_t lock; /* during all ops except TX pckt processing */ - spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */ - struct fs_platform_info *fpi; - const struct fs_ops *ops; - int rx_ring, tx_ring; - dma_addr_t ring_mem_addr; - void __iomem *ring_base; - struct sk_buff **rx_skbuff; - struct sk_buff **tx_skbuff; - cbd_t __iomem *rx_bd_base; /* Address of Rx and Tx buffers. */ - cbd_t __iomem *tx_bd_base; - cbd_t __iomem *dirty_tx; /* ring entries to be free()ed. */ - cbd_t __iomem *cur_rx; - cbd_t __iomem *cur_tx; - int tx_free; - struct net_device_stats stats; - struct timer_list phy_timer_list; - const struct phy_info *phy; - u32 msg_enable; - struct mii_if_info mii_if; - unsigned int last_mii_status; - int interrupt; - - struct phy_device *phydev; - int oldduplex, oldspeed, oldlink; /* current settings */ - - /* event masks */ - u32 ev_napi_rx; /* mask of NAPI rx events */ - u32 ev_rx; /* rx event mask */ - u32 ev_tx; /* tx event mask */ - u32 ev_err; /* error event mask */ - - u16 bd_rx_empty; /* mask of BD rx empty */ - u16 bd_rx_err; /* mask of BD rx errors */ - - union { - struct { - int idx; /* FEC1 = 0, FEC2 = 1 */ - void __iomem *fecp; /* hw registers */ - u32 hthi, htlo; /* state for multicast */ - } fec; - - struct { - int idx; /* FCC1-3 = 0-2 */ - void __iomem *fccp; /* hw registers */ - void __iomem *ep; /* parameter ram */ - void __iomem *fcccp; /* hw registers cont. */ - void __iomem *mem; /* FCC DPRAM */ - u32 gaddrh, gaddrl; /* group address */ - } fcc; - - struct { - int idx; /* FEC1 = 0, FEC2 = 1 */ - void __iomem *sccp; /* hw registers */ - void __iomem *ep; /* parameter ram */ - u32 hthi, htlo; /* state for multicast */ - } scc; - - }; -}; - -/***************************************************************************/ - -void fs_init_bds(struct net_device *dev); -void fs_cleanup_bds(struct net_device *dev); - -/***************************************************************************/ - -#define DRV_MODULE_NAME "fs_enet" -#define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "1.0" -#define DRV_MODULE_RELDATE "Aug 8, 2005" - -/***************************************************************************/ - -int fs_enet_platform_init(void); -void fs_enet_platform_cleanup(void); - -/***************************************************************************/ -/* buffer descriptor access macros */ - -/* access macros */ -#if defined(CONFIG_CPM1) -/* for a a CPM1 __raw_xxx's are sufficient */ -#define __cbd_out32(addr, x) __raw_writel(x, addr) -#define __cbd_out16(addr, x) __raw_writew(x, addr) -#define __cbd_in32(addr) __raw_readl(addr) -#define __cbd_in16(addr) __raw_readw(addr) -#else -/* for others play it safe */ -#define __cbd_out32(addr, x) out_be32(addr, x) -#define __cbd_out16(addr, x) out_be16(addr, x) -#define __cbd_in32(addr) in_be32(addr) -#define __cbd_in16(addr) in_be16(addr) -#endif - -/* write */ -#define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc)) -#define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen)) -#define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr)) - -/* read */ -#define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc) -#define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen) -#define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr) - -/* set bits */ -#define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc)) - -/* clear bits */ -#define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc)) - -/*******************************************************************/ - -extern const struct fs_ops fs_fec_ops; -extern const struct fs_ops fs_fcc_ops; -extern const struct fs_ops fs_scc_ops; - -/*******************************************************************/ - -#endif diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c deleted file mode 100644 index 7583a9572bcc..000000000000 --- a/drivers/net/fs_enet/mac-fcc.c +++ /dev/null @@ -1,584 +0,0 @@ -/* - * FCC driver for Motorola MPC82xx (PQ2). - * - * Copyright (c) 2003 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/bitops.h> -#include <linux/fs.h> -#include <linux/platform_device.h> -#include <linux/phy.h> -#include <linux/of_device.h> -#include <linux/gfp.h> - -#include <asm/immap_cpm2.h> -#include <asm/mpc8260.h> -#include <asm/cpm2.h> - -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.h> - -#include "fs_enet.h" - -/*************************************************/ - -/* FCC access macros */ - -/* write, read, set bits, clear bits */ -#define W32(_p, _m, _v) out_be32(&(_p)->_m, (_v)) -#define R32(_p, _m) in_be32(&(_p)->_m) -#define S32(_p, _m, _v) W32(_p, _m, R32(_p, _m) | (_v)) -#define C32(_p, _m, _v) W32(_p, _m, R32(_p, _m) & ~(_v)) - -#define W16(_p, _m, _v) out_be16(&(_p)->_m, (_v)) -#define R16(_p, _m) in_be16(&(_p)->_m) -#define S16(_p, _m, _v) W16(_p, _m, R16(_p, _m) | (_v)) -#define C16(_p, _m, _v) W16(_p, _m, R16(_p, _m) & ~(_v)) - -#define W8(_p, _m, _v) out_8(&(_p)->_m, (_v)) -#define R8(_p, _m) in_8(&(_p)->_m) -#define S8(_p, _m, _v) W8(_p, _m, R8(_p, _m) | (_v)) -#define C8(_p, _m, _v) W8(_p, _m, R8(_p, _m) & ~(_v)) - -/*************************************************/ - -#define FCC_MAX_MULTICAST_ADDRS 64 - -#define mk_mii_read(REG) (0x60020000 | ((REG & 0x1f) << 18)) -#define mk_mii_write(REG, VAL) (0x50020000 | ((REG & 0x1f) << 18) | (VAL & 0xffff)) -#define mk_mii_end 0 - -#define MAX_CR_CMD_LOOPS 10000 - -static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 op) -{ - const struct fs_platform_info *fpi = fep->fpi; - - return cpm_command(fpi->cp_command, op); -} - -static int do_pd_setup(struct fs_enet_private *fep) -{ - struct platform_device *ofdev = to_platform_device(fep->dev); - struct fs_platform_info *fpi = fep->fpi; - int ret = -EINVAL; - - fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); - if (fep->interrupt == NO_IRQ) - goto out; - - fep->fcc.fccp = of_iomap(ofdev->dev.of_node, 0); - if (!fep->fcc.fccp) - goto out; - - fep->fcc.ep = of_iomap(ofdev->dev.of_node, 1); - if (!fep->fcc.ep) - goto out_fccp; - - fep->fcc.fcccp = of_iomap(ofdev->dev.of_node, 2); - if (!fep->fcc.fcccp) - goto out_ep; - - fep->fcc.mem = (void __iomem *)cpm2_immr; - fpi->dpram_offset = cpm_dpalloc(128, 32); - if (IS_ERR_VALUE(fpi->dpram_offset)) { - ret = fpi->dpram_offset; - goto out_fcccp; - } - - return 0; - -out_fcccp: - iounmap(fep->fcc.fcccp); -out_ep: - iounmap(fep->fcc.ep); -out_fccp: - iounmap(fep->fcc.fccp); -out: - return ret; -} - -#define FCC_NAPI_RX_EVENT_MSK (FCC_ENET_RXF | FCC_ENET_RXB) -#define FCC_RX_EVENT (FCC_ENET_RXF) -#define FCC_TX_EVENT (FCC_ENET_TXB) -#define FCC_ERR_EVENT_MSK (FCC_ENET_TXE) - -static int setup_data(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (do_pd_setup(fep) != 0) - return -EINVAL; - - fep->ev_napi_rx = FCC_NAPI_RX_EVENT_MSK; - fep->ev_rx = FCC_RX_EVENT; - fep->ev_tx = FCC_TX_EVENT; - fep->ev_err = FCC_ERR_EVENT_MSK; - - return 0; -} - -static int allocate_bd(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - - fep->ring_base = (void __iomem __force *)dma_alloc_coherent(fep->dev, - (fpi->tx_ring + fpi->rx_ring) * - sizeof(cbd_t), &fep->ring_mem_addr, - GFP_KERNEL); - if (fep->ring_base == NULL) - return -ENOMEM; - - return 0; -} - -static void free_bd(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - - if (fep->ring_base) - dma_free_coherent(fep->dev, - (fpi->tx_ring + fpi->rx_ring) * sizeof(cbd_t), - (void __force *)fep->ring_base, fep->ring_mem_addr); -} - -static void cleanup_data(struct net_device *dev) -{ - /* nothing */ -} - -static void set_promiscuous_mode(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - S32(fccp, fcc_fpsmr, FCC_PSMR_PRO); -} - -static void set_multicast_start(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_enet_t __iomem *ep = fep->fcc.ep; - - W32(ep, fen_gaddrh, 0); - W32(ep, fen_gaddrl, 0); -} - -static void set_multicast_one(struct net_device *dev, const u8 *mac) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_enet_t __iomem *ep = fep->fcc.ep; - u16 taddrh, taddrm, taddrl; - - taddrh = ((u16)mac[5] << 8) | mac[4]; - taddrm = ((u16)mac[3] << 8) | mac[2]; - taddrl = ((u16)mac[1] << 8) | mac[0]; - - W16(ep, fen_taddrh, taddrh); - W16(ep, fen_taddrm, taddrm); - W16(ep, fen_taddrl, taddrl); - fcc_cr_cmd(fep, CPM_CR_SET_GADDR); -} - -static void set_multicast_finish(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - fcc_enet_t __iomem *ep = fep->fcc.ep; - - /* clear promiscuous always */ - C32(fccp, fcc_fpsmr, FCC_PSMR_PRO); - - /* if all multi or too many multicasts; just enable all */ - if ((dev->flags & IFF_ALLMULTI) != 0 || - netdev_mc_count(dev) > FCC_MAX_MULTICAST_ADDRS) { - - W32(ep, fen_gaddrh, 0xffffffff); - W32(ep, fen_gaddrl, 0xffffffff); - } - - /* read back */ - fep->fcc.gaddrh = R32(ep, fen_gaddrh); - fep->fcc.gaddrl = R32(ep, fen_gaddrl); -} - -static void set_multicast_list(struct net_device *dev) -{ - struct netdev_hw_addr *ha; - - if ((dev->flags & IFF_PROMISC) == 0) { - set_multicast_start(dev); - netdev_for_each_mc_addr(ha, dev) - set_multicast_one(dev, ha->addr); - set_multicast_finish(dev); - } else - set_promiscuous_mode(dev); -} - -static void restart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - fcc_t __iomem *fccp = fep->fcc.fccp; - fcc_c_t __iomem *fcccp = fep->fcc.fcccp; - fcc_enet_t __iomem *ep = fep->fcc.ep; - dma_addr_t rx_bd_base_phys, tx_bd_base_phys; - u16 paddrh, paddrm, paddrl; - const unsigned char *mac; - int i; - - C32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT); - - /* clear everything (slow & steady does it) */ - for (i = 0; i < sizeof(*ep); i++) - out_8((u8 __iomem *)ep + i, 0); - - /* get physical address */ - rx_bd_base_phys = fep->ring_mem_addr; - tx_bd_base_phys = rx_bd_base_phys + sizeof(cbd_t) * fpi->rx_ring; - - /* point to bds */ - W32(ep, fen_genfcc.fcc_rbase, rx_bd_base_phys); - W32(ep, fen_genfcc.fcc_tbase, tx_bd_base_phys); - - /* Set maximum bytes per receive buffer. - * It must be a multiple of 32. - */ - W16(ep, fen_genfcc.fcc_mrblr, PKT_MAXBLR_SIZE); - - W32(ep, fen_genfcc.fcc_rstate, (CPMFCR_GBL | CPMFCR_EB) << 24); - W32(ep, fen_genfcc.fcc_tstate, (CPMFCR_GBL | CPMFCR_EB) << 24); - - /* Allocate space in the reserved FCC area of DPRAM for the - * internal buffers. No one uses this space (yet), so we - * can do this. Later, we will add resource management for - * this area. - */ - - W16(ep, fen_genfcc.fcc_riptr, fpi->dpram_offset); - W16(ep, fen_genfcc.fcc_tiptr, fpi->dpram_offset + 32); - - W16(ep, fen_padptr, fpi->dpram_offset + 64); - - /* fill with special symbol... */ - memset_io(fep->fcc.mem + fpi->dpram_offset + 64, 0x88, 32); - - W32(ep, fen_genfcc.fcc_rbptr, 0); - W32(ep, fen_genfcc.fcc_tbptr, 0); - W32(ep, fen_genfcc.fcc_rcrc, 0); - W32(ep, fen_genfcc.fcc_tcrc, 0); - W16(ep, fen_genfcc.fcc_res1, 0); - W32(ep, fen_genfcc.fcc_res2, 0); - - /* no CAM */ - W32(ep, fen_camptr, 0); - - /* Set CRC preset and mask */ - W32(ep, fen_cmask, 0xdebb20e3); - W32(ep, fen_cpres, 0xffffffff); - - W32(ep, fen_crcec, 0); /* CRC Error counter */ - W32(ep, fen_alec, 0); /* alignment error counter */ - W32(ep, fen_disfc, 0); /* discard frame counter */ - W16(ep, fen_retlim, 15); /* Retry limit threshold */ - W16(ep, fen_pper, 0); /* Normal persistence */ - - /* set group address */ - W32(ep, fen_gaddrh, fep->fcc.gaddrh); - W32(ep, fen_gaddrl, fep->fcc.gaddrh); - - /* Clear hash filter tables */ - W32(ep, fen_iaddrh, 0); - W32(ep, fen_iaddrl, 0); - - /* Clear the Out-of-sequence TxBD */ - W16(ep, fen_tfcstat, 0); - W16(ep, fen_tfclen, 0); - W32(ep, fen_tfcptr, 0); - - W16(ep, fen_mflr, PKT_MAXBUF_SIZE); /* maximum frame length register */ - W16(ep, fen_minflr, PKT_MINBUF_SIZE); /* minimum frame length register */ - - /* set address */ - mac = dev->dev_addr; - paddrh = ((u16)mac[5] << 8) | mac[4]; - paddrm = ((u16)mac[3] << 8) | mac[2]; - paddrl = ((u16)mac[1] << 8) | mac[0]; - - W16(ep, fen_paddrh, paddrh); - W16(ep, fen_paddrm, paddrm); - W16(ep, fen_paddrl, paddrl); - - W16(ep, fen_taddrh, 0); - W16(ep, fen_taddrm, 0); - W16(ep, fen_taddrl, 0); - - W16(ep, fen_maxd1, 1520); /* maximum DMA1 length */ - W16(ep, fen_maxd2, 1520); /* maximum DMA2 length */ - - /* Clear stat counters, in case we ever enable RMON */ - W32(ep, fen_octc, 0); - W32(ep, fen_colc, 0); - W32(ep, fen_broc, 0); - W32(ep, fen_mulc, 0); - W32(ep, fen_uspc, 0); - W32(ep, fen_frgc, 0); - W32(ep, fen_ospc, 0); - W32(ep, fen_jbrc, 0); - W32(ep, fen_p64c, 0); - W32(ep, fen_p65c, 0); - W32(ep, fen_p128c, 0); - W32(ep, fen_p256c, 0); - W32(ep, fen_p512c, 0); - W32(ep, fen_p1024c, 0); - - W16(ep, fen_rfthr, 0); /* Suggested by manual */ - W16(ep, fen_rfcnt, 0); - W16(ep, fen_cftype, 0); - - fs_init_bds(dev); - - /* adjust to speed (for RMII mode) */ - if (fpi->use_rmii) { - if (fep->phydev->speed == 100) - C8(fcccp, fcc_gfemr, 0x20); - else - S8(fcccp, fcc_gfemr, 0x20); - } - - fcc_cr_cmd(fep, CPM_CR_INIT_TRX); - - /* clear events */ - W16(fccp, fcc_fcce, 0xffff); - - /* Enable interrupts we wish to service */ - W16(fccp, fcc_fccm, FCC_ENET_TXE | FCC_ENET_RXF | FCC_ENET_TXB); - - /* Set GFMR to enable Ethernet operating mode */ - W32(fccp, fcc_gfmr, FCC_GFMR_TCI | FCC_GFMR_MODE_ENET); - - /* set sync/delimiters */ - W16(fccp, fcc_fdsr, 0xd555); - - W32(fccp, fcc_fpsmr, FCC_PSMR_ENCRC); - - if (fpi->use_rmii) - S32(fccp, fcc_fpsmr, FCC_PSMR_RMII); - - /* adjust to duplex mode */ - if (fep->phydev->duplex) - S32(fccp, fcc_fpsmr, FCC_PSMR_FDE | FCC_PSMR_LPB); - else - C32(fccp, fcc_fpsmr, FCC_PSMR_FDE | FCC_PSMR_LPB); - - /* Restore multicast and promiscuous settings */ - set_multicast_list(dev); - - S32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT); -} - -static void stop(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - /* stop ethernet */ - C32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT); - - /* clear events */ - W16(fccp, fcc_fcce, 0xffff); - - /* clear interrupt mask */ - W16(fccp, fcc_fccm, 0); - - fs_cleanup_bds(dev); -} - -static void napi_clear_rx_event(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - W16(fccp, fcc_fcce, FCC_NAPI_RX_EVENT_MSK); -} - -static void napi_enable_rx(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - S16(fccp, fcc_fccm, FCC_NAPI_RX_EVENT_MSK); -} - -static void napi_disable_rx(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - C16(fccp, fcc_fccm, FCC_NAPI_RX_EVENT_MSK); -} - -static void rx_bd_done(struct net_device *dev) -{ - /* nothing */ -} - -static void tx_kickstart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - S16(fccp, fcc_ftodr, 0x8000); -} - -static u32 get_int_events(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - return (u32)R16(fccp, fcc_fcce); -} - -static void clear_int_events(struct net_device *dev, u32 int_events) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - - W16(fccp, fcc_fcce, int_events & 0xffff); -} - -static void ev_error(struct net_device *dev, u32 int_events) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - dev_warn(fep->dev, "FS_ENET ERROR(s) 0x%x\n", int_events); -} - -static int get_regs(struct net_device *dev, void *p, int *sizep) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (*sizep < sizeof(fcc_t) + sizeof(fcc_enet_t) + 1) - return -EINVAL; - - memcpy_fromio(p, fep->fcc.fccp, sizeof(fcc_t)); - p = (char *)p + sizeof(fcc_t); - - memcpy_fromio(p, fep->fcc.ep, sizeof(fcc_enet_t)); - p = (char *)p + sizeof(fcc_enet_t); - - memcpy_fromio(p, fep->fcc.fcccp, 1); - return 0; -} - -static int get_regs_len(struct net_device *dev) -{ - return sizeof(fcc_t) + sizeof(fcc_enet_t) + 1; -} - -/* Some transmit errors cause the transmitter to shut - * down. We now issue a restart transmit. - * Also, to workaround 8260 device erratum CPM37, we must - * disable and then re-enable the transmitterfollowing a - * Late Collision, Underrun, or Retry Limit error. - * In addition, tbptr may point beyond BDs beyond still marked - * as ready due to internal pipelining, so we need to look back - * through the BDs and adjust tbptr to point to the last BD - * marked as ready. This may result in some buffers being - * retransmitted. - */ -static void tx_restart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t __iomem *fccp = fep->fcc.fccp; - const struct fs_platform_info *fpi = fep->fpi; - fcc_enet_t __iomem *ep = fep->fcc.ep; - cbd_t __iomem *curr_tbptr; - cbd_t __iomem *recheck_bd; - cbd_t __iomem *prev_bd; - cbd_t __iomem *last_tx_bd; - - last_tx_bd = fep->tx_bd_base + (fpi->tx_ring * sizeof(cbd_t)); - - /* get the current bd held in TBPTR and scan back from this point */ - recheck_bd = curr_tbptr = (cbd_t __iomem *) - ((R32(ep, fen_genfcc.fcc_tbptr) - fep->ring_mem_addr) + - fep->ring_base); - - prev_bd = (recheck_bd == fep->tx_bd_base) ? last_tx_bd : recheck_bd - 1; - - /* Move through the bds in reverse, look for the earliest buffer - * that is not ready. Adjust TBPTR to the following buffer */ - while ((CBDR_SC(prev_bd) & BD_ENET_TX_READY) != 0) { - /* Go back one buffer */ - recheck_bd = prev_bd; - - /* update the previous buffer */ - prev_bd = (prev_bd == fep->tx_bd_base) ? last_tx_bd : prev_bd - 1; - - /* We should never see all bds marked as ready, check anyway */ - if (recheck_bd == curr_tbptr) - break; - } - /* Now update the TBPTR and dirty flag to the current buffer */ - W32(ep, fen_genfcc.fcc_tbptr, - (uint) (((void *)recheck_bd - fep->ring_base) + - fep->ring_mem_addr)); - fep->dirty_tx = recheck_bd; - - C32(fccp, fcc_gfmr, FCC_GFMR_ENT); - udelay(10); - S32(fccp, fcc_gfmr, FCC_GFMR_ENT); - - fcc_cr_cmd(fep, CPM_CR_RESTART_TX); -} - -/*************************************************************************/ - -const struct fs_ops fs_fcc_ops = { - .setup_data = setup_data, - .cleanup_data = cleanup_data, - .set_multicast_list = set_multicast_list, - .restart = restart, - .stop = stop, - .napi_clear_rx_event = napi_clear_rx_event, - .napi_enable_rx = napi_enable_rx, - .napi_disable_rx = napi_disable_rx, - .rx_bd_done = rx_bd_done, - .tx_kickstart = tx_kickstart, - .get_int_events = get_int_events, - .clear_int_events = clear_int_events, - .ev_error = ev_error, - .get_regs = get_regs, - .get_regs_len = get_regs_len, - .tx_restart = tx_restart, - .allocate_bd = allocate_bd, - .free_bd = free_bd, -}; diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c deleted file mode 100644 index b9fbc83d64a7..000000000000 --- a/drivers/net/fs_enet/mac-fec.c +++ /dev/null @@ -1,498 +0,0 @@ -/* - * Freescale Ethernet controllers - * - * Copyright (c) 2005 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/bitops.h> -#include <linux/fs.h> -#include <linux/platform_device.h> -#include <linux/of_device.h> -#include <linux/gfp.h> - -#include <asm/irq.h> -#include <asm/uaccess.h> - -#ifdef CONFIG_8xx -#include <asm/8xx_immap.h> -#include <asm/pgtable.h> -#include <asm/mpc8xx.h> -#include <asm/cpm1.h> -#endif - -#include "fs_enet.h" -#include "fec.h" - -/*************************************************/ - -#if defined(CONFIG_CPM1) -/* for a CPM1 __raw_xxx's are sufficient */ -#define __fs_out32(addr, x) __raw_writel(x, addr) -#define __fs_out16(addr, x) __raw_writew(x, addr) -#define __fs_in32(addr) __raw_readl(addr) -#define __fs_in16(addr) __raw_readw(addr) -#else -/* for others play it safe */ -#define __fs_out32(addr, x) out_be32(addr, x) -#define __fs_out16(addr, x) out_be16(addr, x) -#define __fs_in32(addr) in_be32(addr) -#define __fs_in16(addr) in_be16(addr) -#endif - -/* write */ -#define FW(_fecp, _reg, _v) __fs_out32(&(_fecp)->fec_ ## _reg, (_v)) - -/* read */ -#define FR(_fecp, _reg) __fs_in32(&(_fecp)->fec_ ## _reg) - -/* set bits */ -#define FS(_fecp, _reg, _v) FW(_fecp, _reg, FR(_fecp, _reg) | (_v)) - -/* clear bits */ -#define FC(_fecp, _reg, _v) FW(_fecp, _reg, FR(_fecp, _reg) & ~(_v)) - -/* - * Delay to wait for FEC reset command to complete (in us) - */ -#define FEC_RESET_DELAY 50 - -static int whack_reset(struct fec __iomem *fecp) -{ - int i; - - FW(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_RESET); - for (i = 0; i < FEC_RESET_DELAY; i++) { - if ((FR(fecp, ecntrl) & FEC_ECNTRL_RESET) == 0) - return 0; /* OK */ - udelay(1); - } - - return -1; -} - -static int do_pd_setup(struct fs_enet_private *fep) -{ - struct platform_device *ofdev = to_platform_device(fep->dev); - - fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); - if (fep->interrupt == NO_IRQ) - return -EINVAL; - - fep->fec.fecp = of_iomap(ofdev->dev.of_node, 0); - if (!fep->fcc.fccp) - return -EINVAL; - - return 0; -} - -#define FEC_NAPI_RX_EVENT_MSK (FEC_ENET_RXF | FEC_ENET_RXB) -#define FEC_RX_EVENT (FEC_ENET_RXF) -#define FEC_TX_EVENT (FEC_ENET_TXF) -#define FEC_ERR_EVENT_MSK (FEC_ENET_HBERR | FEC_ENET_BABR | \ - FEC_ENET_BABT | FEC_ENET_EBERR) - -static int setup_data(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (do_pd_setup(fep) != 0) - return -EINVAL; - - fep->fec.hthi = 0; - fep->fec.htlo = 0; - - fep->ev_napi_rx = FEC_NAPI_RX_EVENT_MSK; - fep->ev_rx = FEC_RX_EVENT; - fep->ev_tx = FEC_TX_EVENT; - fep->ev_err = FEC_ERR_EVENT_MSK; - - return 0; -} - -static int allocate_bd(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - - fep->ring_base = (void __force __iomem *)dma_alloc_coherent(fep->dev, - (fpi->tx_ring + fpi->rx_ring) * - sizeof(cbd_t), &fep->ring_mem_addr, - GFP_KERNEL); - if (fep->ring_base == NULL) - return -ENOMEM; - - return 0; -} - -static void free_bd(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - - if(fep->ring_base) - dma_free_coherent(fep->dev, (fpi->tx_ring + fpi->rx_ring) - * sizeof(cbd_t), - (void __force *)fep->ring_base, - fep->ring_mem_addr); -} - -static void cleanup_data(struct net_device *dev) -{ - /* nothing */ -} - -static void set_promiscuous_mode(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - FS(fecp, r_cntrl, FEC_RCNTRL_PROM); -} - -static void set_multicast_start(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - fep->fec.hthi = 0; - fep->fec.htlo = 0; -} - -static void set_multicast_one(struct net_device *dev, const u8 *mac) -{ - struct fs_enet_private *fep = netdev_priv(dev); - int temp, hash_index, i, j; - u32 crc, csrVal; - u8 byte, msb; - - crc = 0xffffffff; - for (i = 0; i < 6; i++) { - byte = mac[i]; - for (j = 0; j < 8; j++) { - msb = crc >> 31; - crc <<= 1; - if (msb ^ (byte & 0x1)) - crc ^= FEC_CRC_POLY; - byte >>= 1; - } - } - - temp = (crc & 0x3f) >> 1; - hash_index = ((temp & 0x01) << 4) | - ((temp & 0x02) << 2) | - ((temp & 0x04)) | - ((temp & 0x08) >> 2) | - ((temp & 0x10) >> 4); - csrVal = 1 << hash_index; - if (crc & 1) - fep->fec.hthi |= csrVal; - else - fep->fec.htlo |= csrVal; -} - -static void set_multicast_finish(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - /* if all multi or too many multicasts; just enable all */ - if ((dev->flags & IFF_ALLMULTI) != 0 || - netdev_mc_count(dev) > FEC_MAX_MULTICAST_ADDRS) { - fep->fec.hthi = 0xffffffffU; - fep->fec.htlo = 0xffffffffU; - } - - FC(fecp, r_cntrl, FEC_RCNTRL_PROM); - FW(fecp, grp_hash_table_high, fep->fec.hthi); - FW(fecp, grp_hash_table_low, fep->fec.htlo); -} - -static void set_multicast_list(struct net_device *dev) -{ - struct netdev_hw_addr *ha; - - if ((dev->flags & IFF_PROMISC) == 0) { - set_multicast_start(dev); - netdev_for_each_mc_addr(ha, dev) - set_multicast_one(dev, ha->addr); - set_multicast_finish(dev); - } else - set_promiscuous_mode(dev); -} - -static void restart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - const struct fs_platform_info *fpi = fep->fpi; - dma_addr_t rx_bd_base_phys, tx_bd_base_phys; - int r; - u32 addrhi, addrlo; - - struct mii_bus* mii = fep->phydev->bus; - struct fec_info* fec_inf = mii->priv; - - r = whack_reset(fep->fec.fecp); - if (r != 0) - dev_err(fep->dev, "FEC Reset FAILED!\n"); - /* - * Set station address. - */ - addrhi = ((u32) dev->dev_addr[0] << 24) | - ((u32) dev->dev_addr[1] << 16) | - ((u32) dev->dev_addr[2] << 8) | - (u32) dev->dev_addr[3]; - addrlo = ((u32) dev->dev_addr[4] << 24) | - ((u32) dev->dev_addr[5] << 16); - FW(fecp, addr_low, addrhi); - FW(fecp, addr_high, addrlo); - - /* - * Reset all multicast. - */ - FW(fecp, grp_hash_table_high, fep->fec.hthi); - FW(fecp, grp_hash_table_low, fep->fec.htlo); - - /* - * Set maximum receive buffer size. - */ - FW(fecp, r_buff_size, PKT_MAXBLR_SIZE); -#ifdef CONFIG_FS_ENET_MPC5121_FEC - FW(fecp, r_cntrl, PKT_MAXBUF_SIZE << 16); -#else - FW(fecp, r_hash, PKT_MAXBUF_SIZE); -#endif - - /* get physical address */ - rx_bd_base_phys = fep->ring_mem_addr; - tx_bd_base_phys = rx_bd_base_phys + sizeof(cbd_t) * fpi->rx_ring; - - /* - * Set receive and transmit descriptor base. - */ - FW(fecp, r_des_start, rx_bd_base_phys); - FW(fecp, x_des_start, tx_bd_base_phys); - - fs_init_bds(dev); - - /* - * Enable big endian and don't care about SDMA FC. - */ -#ifdef CONFIG_FS_ENET_MPC5121_FEC - FS(fecp, dma_control, 0xC0000000); -#else - FW(fecp, fun_code, 0x78000000); -#endif - - /* - * Set MII speed. - */ - FW(fecp, mii_speed, fec_inf->mii_speed); - - /* - * Clear any outstanding interrupt. - */ - FW(fecp, ievent, 0xffc0); -#ifndef CONFIG_FS_ENET_MPC5121_FEC - FW(fecp, ivec, (virq_to_hw(fep->interrupt) / 2) << 29); - - FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ -#else - /* - * Only set MII mode - do not touch maximum frame length - * configured before. - */ - FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); -#endif - /* - * adjust to duplex mode - */ - if (fep->phydev->duplex) { - FC(fecp, r_cntrl, FEC_RCNTRL_DRT); - FS(fecp, x_cntrl, FEC_TCNTRL_FDEN); /* FD enable */ - } else { - FS(fecp, r_cntrl, FEC_RCNTRL_DRT); - FC(fecp, x_cntrl, FEC_TCNTRL_FDEN); /* FD disable */ - } - - /* - * Enable interrupts we wish to service. - */ - FW(fecp, imask, FEC_ENET_TXF | FEC_ENET_TXB | - FEC_ENET_RXF | FEC_ENET_RXB); - - /* - * And last, enable the transmit and receive processing. - */ - FW(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN); - FW(fecp, r_des_active, 0x01000000); -} - -static void stop(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - struct fec __iomem *fecp = fep->fec.fecp; - - struct fec_info* feci= fep->phydev->bus->priv; - - int i; - - if ((FR(fecp, ecntrl) & FEC_ECNTRL_ETHER_EN) == 0) - return; /* already down */ - - FW(fecp, x_cntrl, 0x01); /* Graceful transmit stop */ - for (i = 0; ((FR(fecp, ievent) & 0x10000000) == 0) && - i < FEC_RESET_DELAY; i++) - udelay(1); - - if (i == FEC_RESET_DELAY) - dev_warn(fep->dev, "FEC timeout on graceful transmit stop\n"); - /* - * Disable FEC. Let only MII interrupts. - */ - FW(fecp, imask, 0); - FC(fecp, ecntrl, FEC_ECNTRL_ETHER_EN); - - fs_cleanup_bds(dev); - - /* shut down FEC1? that's where the mii bus is */ - if (fpi->has_phy) { - FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ - FS(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN); - FW(fecp, ievent, FEC_ENET_MII); - FW(fecp, mii_speed, feci->mii_speed); - } -} - -static void napi_clear_rx_event(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - FW(fecp, ievent, FEC_NAPI_RX_EVENT_MSK); -} - -static void napi_enable_rx(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - FS(fecp, imask, FEC_NAPI_RX_EVENT_MSK); -} - -static void napi_disable_rx(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - FC(fecp, imask, FEC_NAPI_RX_EVENT_MSK); -} - -static void rx_bd_done(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - FW(fecp, r_des_active, 0x01000000); -} - -static void tx_kickstart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - FW(fecp, x_des_active, 0x01000000); -} - -static u32 get_int_events(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - return FR(fecp, ievent) & FR(fecp, imask); -} - -static void clear_int_events(struct net_device *dev, u32 int_events) -{ - struct fs_enet_private *fep = netdev_priv(dev); - struct fec __iomem *fecp = fep->fec.fecp; - - FW(fecp, ievent, int_events); -} - -static void ev_error(struct net_device *dev, u32 int_events) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - dev_warn(fep->dev, "FEC ERROR(s) 0x%x\n", int_events); -} - -static int get_regs(struct net_device *dev, void *p, int *sizep) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (*sizep < sizeof(struct fec)) - return -EINVAL; - - memcpy_fromio(p, fep->fec.fecp, sizeof(struct fec)); - - return 0; -} - -static int get_regs_len(struct net_device *dev) -{ - return sizeof(struct fec); -} - -static void tx_restart(struct net_device *dev) -{ - /* nothing */ -} - -/*************************************************************************/ - -const struct fs_ops fs_fec_ops = { - .setup_data = setup_data, - .cleanup_data = cleanup_data, - .set_multicast_list = set_multicast_list, - .restart = restart, - .stop = stop, - .napi_clear_rx_event = napi_clear_rx_event, - .napi_enable_rx = napi_enable_rx, - .napi_disable_rx = napi_disable_rx, - .rx_bd_done = rx_bd_done, - .tx_kickstart = tx_kickstart, - .get_int_events = get_int_events, - .clear_int_events = clear_int_events, - .ev_error = ev_error, - .get_regs = get_regs, - .get_regs_len = get_regs_len, - .tx_restart = tx_restart, - .allocate_bd = allocate_bd, - .free_bd = free_bd, -}; - diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c deleted file mode 100644 index 22a02a767069..000000000000 --- a/drivers/net/fs_enet/mac-scc.c +++ /dev/null @@ -1,484 +0,0 @@ -/* - * Ethernet on Serial Communications Controller (SCC) driver for Motorola MPC8xx and MPC82xx. - * - * Copyright (c) 2003 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/bitops.h> -#include <linux/fs.h> -#include <linux/platform_device.h> -#include <linux/of_platform.h> - -#include <asm/irq.h> -#include <asm/uaccess.h> - -#ifdef CONFIG_8xx -#include <asm/8xx_immap.h> -#include <asm/pgtable.h> -#include <asm/mpc8xx.h> -#include <asm/cpm1.h> -#endif - -#include "fs_enet.h" - -/*************************************************/ -#if defined(CONFIG_CPM1) -/* for a 8xx __raw_xxx's are sufficient */ -#define __fs_out32(addr, x) __raw_writel(x, addr) -#define __fs_out16(addr, x) __raw_writew(x, addr) -#define __fs_out8(addr, x) __raw_writeb(x, addr) -#define __fs_in32(addr) __raw_readl(addr) -#define __fs_in16(addr) __raw_readw(addr) -#define __fs_in8(addr) __raw_readb(addr) -#else -/* for others play it safe */ -#define __fs_out32(addr, x) out_be32(addr, x) -#define __fs_out16(addr, x) out_be16(addr, x) -#define __fs_in32(addr) in_be32(addr) -#define __fs_in16(addr) in_be16(addr) -#define __fs_out8(addr, x) out_8(addr, x) -#define __fs_in8(addr) in_8(addr) -#endif - -/* write, read, set bits, clear bits */ -#define W32(_p, _m, _v) __fs_out32(&(_p)->_m, (_v)) -#define R32(_p, _m) __fs_in32(&(_p)->_m) -#define S32(_p, _m, _v) W32(_p, _m, R32(_p, _m) | (_v)) -#define C32(_p, _m, _v) W32(_p, _m, R32(_p, _m) & ~(_v)) - -#define W16(_p, _m, _v) __fs_out16(&(_p)->_m, (_v)) -#define R16(_p, _m) __fs_in16(&(_p)->_m) -#define S16(_p, _m, _v) W16(_p, _m, R16(_p, _m) | (_v)) -#define C16(_p, _m, _v) W16(_p, _m, R16(_p, _m) & ~(_v)) - -#define W8(_p, _m, _v) __fs_out8(&(_p)->_m, (_v)) -#define R8(_p, _m) __fs_in8(&(_p)->_m) -#define S8(_p, _m, _v) W8(_p, _m, R8(_p, _m) | (_v)) -#define C8(_p, _m, _v) W8(_p, _m, R8(_p, _m) & ~(_v)) - -#define SCC_MAX_MULTICAST_ADDRS 64 - -/* - * Delay to wait for SCC reset command to complete (in us) - */ -#define SCC_RESET_DELAY 50 - -static inline int scc_cr_cmd(struct fs_enet_private *fep, u32 op) -{ - const struct fs_platform_info *fpi = fep->fpi; - - return cpm_command(fpi->cp_command, op); -} - -static int do_pd_setup(struct fs_enet_private *fep) -{ - struct platform_device *ofdev = to_platform_device(fep->dev); - - fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); - if (fep->interrupt == NO_IRQ) - return -EINVAL; - - fep->scc.sccp = of_iomap(ofdev->dev.of_node, 0); - if (!fep->scc.sccp) - return -EINVAL; - - fep->scc.ep = of_iomap(ofdev->dev.of_node, 1); - if (!fep->scc.ep) { - iounmap(fep->scc.sccp); - return -EINVAL; - } - - return 0; -} - -#define SCC_NAPI_RX_EVENT_MSK (SCCE_ENET_RXF | SCCE_ENET_RXB) -#define SCC_RX_EVENT (SCCE_ENET_RXF) -#define SCC_TX_EVENT (SCCE_ENET_TXB) -#define SCC_ERR_EVENT_MSK (SCCE_ENET_TXE | SCCE_ENET_BSY) - -static int setup_data(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - do_pd_setup(fep); - - fep->scc.hthi = 0; - fep->scc.htlo = 0; - - fep->ev_napi_rx = SCC_NAPI_RX_EVENT_MSK; - fep->ev_rx = SCC_RX_EVENT; - fep->ev_tx = SCC_TX_EVENT | SCCE_ENET_TXE; - fep->ev_err = SCC_ERR_EVENT_MSK; - - return 0; -} - -static int allocate_bd(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - - fep->ring_mem_addr = cpm_dpalloc((fpi->tx_ring + fpi->rx_ring) * - sizeof(cbd_t), 8); - if (IS_ERR_VALUE(fep->ring_mem_addr)) - return -ENOMEM; - - fep->ring_base = (void __iomem __force*) - cpm_dpram_addr(fep->ring_mem_addr); - - return 0; -} - -static void free_bd(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (fep->ring_base) - cpm_dpfree(fep->ring_mem_addr); -} - -static void cleanup_data(struct net_device *dev) -{ - /* nothing */ -} - -static void set_promiscuous_mode(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - - S16(sccp, scc_psmr, SCC_PSMR_PRO); -} - -static void set_multicast_start(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_enet_t __iomem *ep = fep->scc.ep; - - W16(ep, sen_gaddr1, 0); - W16(ep, sen_gaddr2, 0); - W16(ep, sen_gaddr3, 0); - W16(ep, sen_gaddr4, 0); -} - -static void set_multicast_one(struct net_device *dev, const u8 * mac) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_enet_t __iomem *ep = fep->scc.ep; - u16 taddrh, taddrm, taddrl; - - taddrh = ((u16) mac[5] << 8) | mac[4]; - taddrm = ((u16) mac[3] << 8) | mac[2]; - taddrl = ((u16) mac[1] << 8) | mac[0]; - - W16(ep, sen_taddrh, taddrh); - W16(ep, sen_taddrm, taddrm); - W16(ep, sen_taddrl, taddrl); - scc_cr_cmd(fep, CPM_CR_SET_GADDR); -} - -static void set_multicast_finish(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - scc_enet_t __iomem *ep = fep->scc.ep; - - /* clear promiscuous always */ - C16(sccp, scc_psmr, SCC_PSMR_PRO); - - /* if all multi or too many multicasts; just enable all */ - if ((dev->flags & IFF_ALLMULTI) != 0 || - netdev_mc_count(dev) > SCC_MAX_MULTICAST_ADDRS) { - - W16(ep, sen_gaddr1, 0xffff); - W16(ep, sen_gaddr2, 0xffff); - W16(ep, sen_gaddr3, 0xffff); - W16(ep, sen_gaddr4, 0xffff); - } -} - -static void set_multicast_list(struct net_device *dev) -{ - struct netdev_hw_addr *ha; - - if ((dev->flags & IFF_PROMISC) == 0) { - set_multicast_start(dev); - netdev_for_each_mc_addr(ha, dev) - set_multicast_one(dev, ha->addr); - set_multicast_finish(dev); - } else - set_promiscuous_mode(dev); -} - -/* - * This function is called to start or restart the FEC during a link - * change. This only happens when switching between half and full - * duplex. - */ -static void restart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - scc_enet_t __iomem *ep = fep->scc.ep; - const struct fs_platform_info *fpi = fep->fpi; - u16 paddrh, paddrm, paddrl; - const unsigned char *mac; - int i; - - C32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); - - /* clear everything (slow & steady does it) */ - for (i = 0; i < sizeof(*ep); i++) - __fs_out8((u8 __iomem *)ep + i, 0); - - /* point to bds */ - W16(ep, sen_genscc.scc_rbase, fep->ring_mem_addr); - W16(ep, sen_genscc.scc_tbase, - fep->ring_mem_addr + sizeof(cbd_t) * fpi->rx_ring); - - /* Initialize function code registers for big-endian. - */ -#ifndef CONFIG_NOT_COHERENT_CACHE - W8(ep, sen_genscc.scc_rfcr, SCC_EB | SCC_GBL); - W8(ep, sen_genscc.scc_tfcr, SCC_EB | SCC_GBL); -#else - W8(ep, sen_genscc.scc_rfcr, SCC_EB); - W8(ep, sen_genscc.scc_tfcr, SCC_EB); -#endif - - /* Set maximum bytes per receive buffer. - * This appears to be an Ethernet frame size, not the buffer - * fragment size. It must be a multiple of four. - */ - W16(ep, sen_genscc.scc_mrblr, 0x5f0); - - /* Set CRC preset and mask. - */ - W32(ep, sen_cpres, 0xffffffff); - W32(ep, sen_cmask, 0xdebb20e3); - - W32(ep, sen_crcec, 0); /* CRC Error counter */ - W32(ep, sen_alec, 0); /* alignment error counter */ - W32(ep, sen_disfc, 0); /* discard frame counter */ - - W16(ep, sen_pads, 0x8888); /* Tx short frame pad character */ - W16(ep, sen_retlim, 15); /* Retry limit threshold */ - - W16(ep, sen_maxflr, 0x5ee); /* maximum frame length register */ - - W16(ep, sen_minflr, PKT_MINBUF_SIZE); /* minimum frame length register */ - - W16(ep, sen_maxd1, 0x000005f0); /* maximum DMA1 length */ - W16(ep, sen_maxd2, 0x000005f0); /* maximum DMA2 length */ - - /* Clear hash tables. - */ - W16(ep, sen_gaddr1, 0); - W16(ep, sen_gaddr2, 0); - W16(ep, sen_gaddr3, 0); - W16(ep, sen_gaddr4, 0); - W16(ep, sen_iaddr1, 0); - W16(ep, sen_iaddr2, 0); - W16(ep, sen_iaddr3, 0); - W16(ep, sen_iaddr4, 0); - - /* set address - */ - mac = dev->dev_addr; - paddrh = ((u16) mac[5] << 8) | mac[4]; - paddrm = ((u16) mac[3] << 8) | mac[2]; - paddrl = ((u16) mac[1] << 8) | mac[0]; - - W16(ep, sen_paddrh, paddrh); - W16(ep, sen_paddrm, paddrm); - W16(ep, sen_paddrl, paddrl); - - W16(ep, sen_pper, 0); - W16(ep, sen_taddrl, 0); - W16(ep, sen_taddrm, 0); - W16(ep, sen_taddrh, 0); - - fs_init_bds(dev); - - scc_cr_cmd(fep, CPM_CR_INIT_TRX); - - W16(sccp, scc_scce, 0xffff); - - /* Enable interrupts we wish to service. - */ - W16(sccp, scc_sccm, SCCE_ENET_TXE | SCCE_ENET_RXF | SCCE_ENET_TXB); - - /* Set GSMR_H to enable all normal operating modes. - * Set GSMR_L to enable Ethernet to MC68160. - */ - W32(sccp, scc_gsmrh, 0); - W32(sccp, scc_gsmrl, - SCC_GSMRL_TCI | SCC_GSMRL_TPL_48 | SCC_GSMRL_TPP_10 | - SCC_GSMRL_MODE_ENET); - - /* Set sync/delimiters. - */ - W16(sccp, scc_dsr, 0xd555); - - /* Set processing mode. Use Ethernet CRC, catch broadcast, and - * start frame search 22 bit times after RENA. - */ - W16(sccp, scc_psmr, SCC_PSMR_ENCRC | SCC_PSMR_NIB22); - - /* Set full duplex mode if needed */ - if (fep->phydev->duplex) - S16(sccp, scc_psmr, SCC_PSMR_LPB | SCC_PSMR_FDE); - - S32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); -} - -static void stop(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - int i; - - for (i = 0; (R16(sccp, scc_sccm) == 0) && i < SCC_RESET_DELAY; i++) - udelay(1); - - if (i == SCC_RESET_DELAY) - dev_warn(fep->dev, "SCC timeout on graceful transmit stop\n"); - - W16(sccp, scc_sccm, 0); - C32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); - - fs_cleanup_bds(dev); -} - -static void napi_clear_rx_event(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - - W16(sccp, scc_scce, SCC_NAPI_RX_EVENT_MSK); -} - -static void napi_enable_rx(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - - S16(sccp, scc_sccm, SCC_NAPI_RX_EVENT_MSK); -} - -static void napi_disable_rx(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - - C16(sccp, scc_sccm, SCC_NAPI_RX_EVENT_MSK); -} - -static void rx_bd_done(struct net_device *dev) -{ - /* nothing */ -} - -static void tx_kickstart(struct net_device *dev) -{ - /* nothing */ -} - -static u32 get_int_events(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - - return (u32) R16(sccp, scc_scce); -} - -static void clear_int_events(struct net_device *dev, u32 int_events) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t __iomem *sccp = fep->scc.sccp; - - W16(sccp, scc_scce, int_events & 0xffff); -} - -static void ev_error(struct net_device *dev, u32 int_events) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - dev_warn(fep->dev, "SCC ERROR(s) 0x%x\n", int_events); -} - -static int get_regs(struct net_device *dev, void *p, int *sizep) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (*sizep < sizeof(scc_t) + sizeof(scc_enet_t __iomem *)) - return -EINVAL; - - memcpy_fromio(p, fep->scc.sccp, sizeof(scc_t)); - p = (char *)p + sizeof(scc_t); - - memcpy_fromio(p, fep->scc.ep, sizeof(scc_enet_t __iomem *)); - - return 0; -} - -static int get_regs_len(struct net_device *dev) -{ - return sizeof(scc_t) + sizeof(scc_enet_t __iomem *); -} - -static void tx_restart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - scc_cr_cmd(fep, CPM_CR_RESTART_TX); -} - - - -/*************************************************************************/ - -const struct fs_ops fs_scc_ops = { - .setup_data = setup_data, - .cleanup_data = cleanup_data, - .set_multicast_list = set_multicast_list, - .restart = restart, - .stop = stop, - .napi_clear_rx_event = napi_clear_rx_event, - .napi_enable_rx = napi_enable_rx, - .napi_disable_rx = napi_disable_rx, - .rx_bd_done = rx_bd_done, - .tx_kickstart = tx_kickstart, - .get_int_events = get_int_events, - .clear_int_events = clear_int_events, - .ev_error = ev_error, - .get_regs = get_regs, - .get_regs_len = get_regs_len, - .tx_restart = tx_restart, - .allocate_bd = allocate_bd, - .free_bd = free_bd, -}; diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c deleted file mode 100644 index b09270b5d0a5..000000000000 --- a/drivers/net/fs_enet/mii-bitbang.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. - * - * Copyright (c) 2003 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/mii.h> -#include <linux/platform_device.h> -#include <linux/mdio-bitbang.h> -#include <linux/of_mdio.h> -#include <linux/of_platform.h> - -#include "fs_enet.h" - -struct bb_info { - struct mdiobb_ctrl ctrl; - __be32 __iomem *dir; - __be32 __iomem *dat; - u32 mdio_msk; - u32 mdc_msk; -}; - -/* FIXME: If any other users of GPIO crop up, then these will have to - * have some sort of global synchronization to avoid races with other - * pins on the same port. The ideal solution would probably be to - * bind the ports to a GPIO driver, and have this be a client of it. - */ -static inline void bb_set(u32 __iomem *p, u32 m) -{ - out_be32(p, in_be32(p) | m); -} - -static inline void bb_clr(u32 __iomem *p, u32 m) -{ - out_be32(p, in_be32(p) & ~m); -} - -static inline int bb_read(u32 __iomem *p, u32 m) -{ - return (in_be32(p) & m) != 0; -} - -static inline void mdio_dir(struct mdiobb_ctrl *ctrl, int dir) -{ - struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); - - if (dir) - bb_set(bitbang->dir, bitbang->mdio_msk); - else - bb_clr(bitbang->dir, bitbang->mdio_msk); - - /* Read back to flush the write. */ - in_be32(bitbang->dir); -} - -static inline int mdio_read(struct mdiobb_ctrl *ctrl) -{ - struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); - return bb_read(bitbang->dat, bitbang->mdio_msk); -} - -static inline void mdio(struct mdiobb_ctrl *ctrl, int what) -{ - struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); - - if (what) - bb_set(bitbang->dat, bitbang->mdio_msk); - else - bb_clr(bitbang->dat, bitbang->mdio_msk); - - /* Read back to flush the write. */ - in_be32(bitbang->dat); -} - -static inline void mdc(struct mdiobb_ctrl *ctrl, int what) -{ - struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); - - if (what) - bb_set(bitbang->dat, bitbang->mdc_msk); - else - bb_clr(bitbang->dat, bitbang->mdc_msk); - - /* Read back to flush the write. */ - in_be32(bitbang->dat); -} - -static struct mdiobb_ops bb_ops = { - .owner = THIS_MODULE, - .set_mdc = mdc, - .set_mdio_dir = mdio_dir, - .set_mdio_data = mdio, - .get_mdio_data = mdio_read, -}; - -static int __devinit fs_mii_bitbang_init(struct mii_bus *bus, - struct device_node *np) -{ - struct resource res; - const u32 *data; - int mdio_pin, mdc_pin, len; - struct bb_info *bitbang = bus->priv; - - int ret = of_address_to_resource(np, 0, &res); - if (ret) - return ret; - - if (resource_size(&res) <= 13) - return -ENODEV; - - /* This should really encode the pin number as well, but all - * we get is an int, and the odds of multiple bitbang mdio buses - * is low enough that it's not worth going too crazy. - */ - snprintf(bus->id, MII_BUS_ID_SIZE, "%x", res.start); - - data = of_get_property(np, "fsl,mdio-pin", &len); - if (!data || len != 4) - return -ENODEV; - mdio_pin = *data; - - data = of_get_property(np, "fsl,mdc-pin", &len); - if (!data || len != 4) - return -ENODEV; - mdc_pin = *data; - - bitbang->dir = ioremap(res.start, resource_size(&res)); - if (!bitbang->dir) - return -ENOMEM; - - bitbang->dat = bitbang->dir + 4; - bitbang->mdio_msk = 1 << (31 - mdio_pin); - bitbang->mdc_msk = 1 << (31 - mdc_pin); - - return 0; -} - -static int __devinit fs_enet_mdio_probe(struct platform_device *ofdev) -{ - struct mii_bus *new_bus; - struct bb_info *bitbang; - int ret = -ENOMEM; - - bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL); - if (!bitbang) - goto out; - - bitbang->ctrl.ops = &bb_ops; - - new_bus = alloc_mdio_bitbang(&bitbang->ctrl); - if (!new_bus) - goto out_free_priv; - - new_bus->name = "CPM2 Bitbanged MII", - - ret = fs_mii_bitbang_init(new_bus, ofdev->dev.of_node); - if (ret) - goto out_free_bus; - - new_bus->phy_mask = ~0; - new_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); - if (!new_bus->irq) - goto out_unmap_regs; - - new_bus->parent = &ofdev->dev; - dev_set_drvdata(&ofdev->dev, new_bus); - - ret = of_mdiobus_register(new_bus, ofdev->dev.of_node); - if (ret) - goto out_free_irqs; - - return 0; - -out_free_irqs: - dev_set_drvdata(&ofdev->dev, NULL); - kfree(new_bus->irq); -out_unmap_regs: - iounmap(bitbang->dir); -out_free_bus: - free_mdio_bitbang(new_bus); -out_free_priv: - kfree(bitbang); -out: - return ret; -} - -static int fs_enet_mdio_remove(struct platform_device *ofdev) -{ - struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); - struct bb_info *bitbang = bus->priv; - - mdiobus_unregister(bus); - dev_set_drvdata(&ofdev->dev, NULL); - kfree(bus->irq); - free_mdio_bitbang(bus); - iounmap(bitbang->dir); - kfree(bitbang); - - return 0; -} - -static struct of_device_id fs_enet_mdio_bb_match[] = { - { - .compatible = "fsl,cpm2-mdio-bitbang", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, fs_enet_mdio_bb_match); - -static struct platform_driver fs_enet_bb_mdio_driver = { - .driver = { - .name = "fsl-bb-mdio", - .owner = THIS_MODULE, - .of_match_table = fs_enet_mdio_bb_match, - }, - .probe = fs_enet_mdio_probe, - .remove = fs_enet_mdio_remove, -}; - -static int fs_enet_mdio_bb_init(void) -{ - return platform_driver_register(&fs_enet_bb_mdio_driver); -} - -static void fs_enet_mdio_bb_exit(void) -{ - platform_driver_unregister(&fs_enet_bb_mdio_driver); -} - -module_init(fs_enet_mdio_bb_init); -module_exit(fs_enet_mdio_bb_exit); diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c deleted file mode 100644 index e0e9d6c35d83..000000000000 --- a/drivers/net/fs_enet/mii-fec.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. - * - * Copyright (c) 2003 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/bitops.h> -#include <linux/platform_device.h> -#include <linux/of_platform.h> - -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <asm/mpc5xxx.h> - -#include "fs_enet.h" -#include "fec.h" - -/* Make MII read/write commands for the FEC. -*/ -#define mk_mii_read(REG) (0x60020000 | ((REG & 0x1f) << 18)) -#define mk_mii_write(REG, VAL) (0x50020000 | ((REG & 0x1f) << 18) | (VAL & 0xffff)) -#define mk_mii_end 0 - -#define FEC_MII_LOOPS 10000 - -static int fs_enet_fec_mii_read(struct mii_bus *bus , int phy_id, int location) -{ - struct fec_info* fec = bus->priv; - struct fec __iomem *fecp = fec->fecp; - int i, ret = -1; - - BUG_ON((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0); - - /* Add PHY address to register command. */ - out_be32(&fecp->fec_mii_data, (phy_id << 23) | mk_mii_read(location)); - - for (i = 0; i < FEC_MII_LOOPS; i++) - if ((in_be32(&fecp->fec_ievent) & FEC_ENET_MII) != 0) - break; - - if (i < FEC_MII_LOOPS) { - out_be32(&fecp->fec_ievent, FEC_ENET_MII); - ret = in_be32(&fecp->fec_mii_data) & 0xffff; - } - - return ret; -} - -static int fs_enet_fec_mii_write(struct mii_bus *bus, int phy_id, int location, u16 val) -{ - struct fec_info* fec = bus->priv; - struct fec __iomem *fecp = fec->fecp; - int i; - - /* this must never happen */ - BUG_ON((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0); - - /* Add PHY address to register command. */ - out_be32(&fecp->fec_mii_data, (phy_id << 23) | mk_mii_write(location, val)); - - for (i = 0; i < FEC_MII_LOOPS; i++) - if ((in_be32(&fecp->fec_ievent) & FEC_ENET_MII) != 0) - break; - - if (i < FEC_MII_LOOPS) - out_be32(&fecp->fec_ievent, FEC_ENET_MII); - - return 0; - -} - -static int fs_enet_fec_mii_reset(struct mii_bus *bus) -{ - /* nothing here - for now */ - return 0; -} - -static struct of_device_id fs_enet_mdio_fec_match[]; -static int __devinit fs_enet_mdio_probe(struct platform_device *ofdev) -{ - const struct of_device_id *match; - struct resource res; - struct mii_bus *new_bus; - struct fec_info *fec; - int (*get_bus_freq)(struct device_node *); - int ret = -ENOMEM, clock, speed; - - match = of_match_device(fs_enet_mdio_fec_match, &ofdev->dev); - if (!match) - return -EINVAL; - get_bus_freq = match->data; - - new_bus = mdiobus_alloc(); - if (!new_bus) - goto out; - - fec = kzalloc(sizeof(struct fec_info), GFP_KERNEL); - if (!fec) - goto out_mii; - - new_bus->priv = fec; - new_bus->name = "FEC MII Bus"; - new_bus->read = &fs_enet_fec_mii_read; - new_bus->write = &fs_enet_fec_mii_write; - new_bus->reset = &fs_enet_fec_mii_reset; - - ret = of_address_to_resource(ofdev->dev.of_node, 0, &res); - if (ret) - goto out_res; - - snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", res.start); - - fec->fecp = ioremap(res.start, resource_size(&res)); - if (!fec->fecp) - goto out_fec; - - if (get_bus_freq) { - clock = get_bus_freq(ofdev->dev.of_node); - if (!clock) { - /* Use maximum divider if clock is unknown */ - dev_warn(&ofdev->dev, "could not determine IPS clock\n"); - clock = 0x3F * 5000000; - } - } else - clock = ppc_proc_freq; - - /* - * Scale for a MII clock <= 2.5 MHz - * Note that only 6 bits (25:30) are available for MII speed. - */ - speed = (clock + 4999999) / 5000000; - if (speed > 0x3F) { - speed = 0x3F; - dev_err(&ofdev->dev, - "MII clock (%d Hz) exceeds max (2.5 MHz)\n", - clock / speed); - } - - fec->mii_speed = speed << 1; - - setbits32(&fec->fecp->fec_r_cntrl, FEC_RCNTRL_MII_MODE); - setbits32(&fec->fecp->fec_ecntrl, FEC_ECNTRL_PINMUX | - FEC_ECNTRL_ETHER_EN); - out_be32(&fec->fecp->fec_ievent, FEC_ENET_MII); - clrsetbits_be32(&fec->fecp->fec_mii_speed, 0x7E, fec->mii_speed); - - new_bus->phy_mask = ~0; - new_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); - if (!new_bus->irq) - goto out_unmap_regs; - - new_bus->parent = &ofdev->dev; - dev_set_drvdata(&ofdev->dev, new_bus); - - ret = of_mdiobus_register(new_bus, ofdev->dev.of_node); - if (ret) - goto out_free_irqs; - - return 0; - -out_free_irqs: - dev_set_drvdata(&ofdev->dev, NULL); - kfree(new_bus->irq); -out_unmap_regs: - iounmap(fec->fecp); -out_res: -out_fec: - kfree(fec); -out_mii: - mdiobus_free(new_bus); -out: - return ret; -} - -static int fs_enet_mdio_remove(struct platform_device *ofdev) -{ - struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); - struct fec_info *fec = bus->priv; - - mdiobus_unregister(bus); - dev_set_drvdata(&ofdev->dev, NULL); - kfree(bus->irq); - iounmap(fec->fecp); - kfree(fec); - mdiobus_free(bus); - - return 0; -} - -static struct of_device_id fs_enet_mdio_fec_match[] = { - { - .compatible = "fsl,pq1-fec-mdio", - }, -#if defined(CONFIG_PPC_MPC512x) - { - .compatible = "fsl,mpc5121-fec-mdio", - .data = mpc5xxx_get_bus_frequency, - }, -#endif - {}, -}; -MODULE_DEVICE_TABLE(of, fs_enet_mdio_fec_match); - -static struct platform_driver fs_enet_fec_mdio_driver = { - .driver = { - .name = "fsl-fec-mdio", - .owner = THIS_MODULE, - .of_match_table = fs_enet_mdio_fec_match, - }, - .probe = fs_enet_mdio_probe, - .remove = fs_enet_mdio_remove, -}; - -static int fs_enet_mdio_fec_init(void) -{ - return platform_driver_register(&fs_enet_fec_mdio_driver); -} - -static void fs_enet_mdio_fec_exit(void) -{ - platform_driver_unregister(&fs_enet_fec_mdio_driver); -} - -module_init(fs_enet_mdio_fec_init); -module_exit(fs_enet_mdio_fec_exit); |