diff options
Diffstat (limited to 'drivers/net/fs_enet')
| -rw-r--r-- | drivers/net/fs_enet/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/net/fs_enet/Makefile | 10 | ||||
| -rw-r--r-- | drivers/net/fs_enet/fec.h | 42 | ||||
| -rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 1280 | ||||
| -rw-r--r-- | drivers/net/fs_enet/fs_enet.h | 254 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-fcc.c | 592 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-fec.c | 549 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-scc.c | 528 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mii-bitbang.c | 408 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mii-fec.c | 243 |
10 files changed, 0 insertions, 3926 deletions
diff --git a/drivers/net/fs_enet/Kconfig b/drivers/net/fs_enet/Kconfig deleted file mode 100644 index 6aaee67dd4b..00000000000 --- a/drivers/net/fs_enet/Kconfig +++ /dev/null @@ -1,20 +0,0 @@ -config FS_ENET - tristate "Freescale Ethernet Driver" - depends on NET_ETHERNET && (CPM1 || CPM2) - select MII - -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 - default y - diff --git a/drivers/net/fs_enet/Makefile b/drivers/net/fs_enet/Makefile deleted file mode 100644 index 02d4dc18ba6..00000000000 --- a/drivers/net/fs_enet/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# -# Makefile for the Freescale Ethernet controllers -# - -obj-$(CONFIG_FS_ENET) += fs_enet.o - -obj-$(CONFIG_8xx) += mac-fec.o mac-scc.o mii-fec.o -obj-$(CONFIG_CPM2) += mac-fcc.o mii-bitbang.o - -fs_enet-objs := fs_enet-main.o diff --git a/drivers/net/fs_enet/fec.h b/drivers/net/fs_enet/fec.h deleted file mode 100644 index e980527e2b9..00000000000 --- 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 34412bc7c4b..00000000000 --- a/drivers/net/fs_enet/fs_enet-main.c +++ /dev/null @@ -1,1280 +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/sched.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/pci.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/vmalloc.h> -#include <asm/pgtable.h> - -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.h> - -#include "fs_enet.h" - -/*************************************************/ - -static char version[] __devinitdata = - DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")" "\n"; - -MODULE_AUTHOR("Pantelis Antoniou <panto@intracom.gr>"); -MODULE_DESCRIPTION("Freescale Ethernet Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_MODULE_VERSION); - -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"); - - -static void fs_set_multicast_list(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - (*fep->ops->set_multicast_list)(dev); -} - -/* NAPI receive function */ -static int fs_enet_rx_napi(struct net_device *dev, int *budget) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - cbd_t *bdp; - struct sk_buff *skb, *skbn, *skbt; - int received = 0; - u16 pkt_len, sc; - int curidx; - int rx_work_limit = 0; /* pacify gcc */ - - rx_work_limit = min(dev->quota, *budget); - - if (!netif_running(dev)) - return 0; - - /* - * 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) - printk(KERN_WARNING DRV_MODULE_NAME - ": %s rcv is not +last\n", - dev->name); - - /* - * 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 { - - /* napi, got packet but no quota */ - if (--rx_work_limit < 0) - break; - - 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 */ - memcpy(skbn->data, skb->data, pkt_len); - /* swap */ - skbt = skb; - skb = skbn; - skbn = skbt; - } - } else - skbn = dev_alloc_skb(ENET_RX_FRSIZE); - - if (skbn != NULL) { - skb->dev = dev; - skb_put(skb, pkt_len); /* Make room */ - skb->protocol = eth_type_trans(skb, dev); - received++; - netif_receive_skb(skb); - } else { - printk(KERN_WARNING DRV_MODULE_NAME - ": %s Memory squeeze, dropping packet.\n", - dev->name); - 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; - - dev->quota -= received; - *budget -= received; - - if (rx_work_limit < 0) - return 1; /* not done */ - - /* done */ - netif_rx_complete(dev); - - (*fep->ops->napi_enable_rx)(dev); - - return 0; -} - -/* 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 *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) - printk(KERN_WARNING DRV_MODULE_NAME - ": %s rcv is not +last\n", - dev->name); - - /* - * 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 */ - memcpy(skbn->data, skb->data, pkt_len); - /* swap */ - skbt = skb; - skb = skbn; - skbn = skbt; - } - } else - skbn = dev_alloc_skb(ENET_RX_FRSIZE); - - if (skbn != NULL) { - skb->dev = dev; - skb_put(skb, pkt_len); /* Make room */ - skb->protocol = eth_type_trans(skb, dev); - received++; - netif_rx(skb); - } else { - printk(KERN_WARNING DRV_MODULE_NAME - ": %s Memory squeeze, dropping packet.\n", - dev->name); - 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 *bdp; - struct sk_buff *skb; - int dirtyidx, do_wake, do_restart; - u16 sc; - - spin_lock(&fep->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) - printk(KERN_WARNING DRV_MODULE_NAME - ": %s HEY! Enet xmit interrupt and TX_READY.\n", - dev->name); - - /* - * 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->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 pt_regs *regs) -{ - 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 = netif_rx_schedule_prep(dev); - - (*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) - __netif_rx_schedule(dev); - } - } - - 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 *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) { - printk(KERN_WARNING DRV_MODULE_NAME - ": %s Memory squeeze, unable to allocate skb\n", - dev->name); - break; - } - fep->rx_skbuff[i] = skb; - skb->dev = dev; - 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 *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); - } -} - -/**********************************************************************************/ - -static int fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - cbd_t *bdp; - int curidx; - u16 sc; - unsigned long flags; - - 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. - */ - printk(KERN_WARNING DRV_MODULE_NAME - ": %s tx queue full!.\n", dev->name); - 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); - - dev->trans_start = jiffies; - - /* - * 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); - - (*fep->ops->tx_kickstart)(dev); - - spin_unlock_irqrestore(&fep->tx_lock, flags); - - return NETDEV_TX_OK; -} - -static int fs_request_irq(struct net_device *dev, int irq, const char *name, - irqreturn_t (*irqf)(int irq, void *dev_id, struct pt_regs *regs)) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - (*fep->ops->pre_request_irq)(dev, irq); - return request_irq(irq, irqf, IRQF_SHARED, name, dev); -} - -static void fs_free_irq(struct net_device *dev, int irq) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - free_irq(irq, dev); - (*fep->ops->post_free_irq)(dev, irq); -} - -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; - netif_schedule(dev); - netif_carrier_on(dev); - netif_start_queue(dev); - } - - if (new_state) - fep->ops->restart(dev); - - } else if (fep->oldlink) { - new_state = 1; - fep->oldlink = 0; - fep->oldspeed = 0; - fep->oldduplex = -1; - netif_carrier_off(dev); - netif_stop_queue(dev); - } - - 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; - if(fep->fpi->bus_id) - phydev = phy_connect(dev, fep->fpi->bus_id, &fs_adjust_link, 0); - else { - printk("No phy bus ID specified in BSP code\n"); - return -EINVAL; - } - if (IS_ERR(phydev)) { - printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); - return PTR_ERR(phydev); - } - - 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; - - /* Install our interrupt handler. */ - r = fs_request_irq(dev, fep->interrupt, "fs_enet-mac", fs_enet_interrupt); - if (r != 0) { - printk(KERN_ERR DRV_MODULE_NAME - ": %s Could not allocate FS_ENET IRQ!", dev->name); - return -EINVAL; - } - - err = fs_init_phy(dev); - if(err) - return err; - - phy_start(fep->phydev); - - 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); - phy_stop(fep->phydev); - - spin_lock_irqsave(&fep->lock, flags); - (*fep->ops->stop)(dev); - spin_unlock_irqrestore(&fep->lock, flags); - - /* release any irqs */ - phy_disconnect(fep->phydev); - fep->phydev = NULL; - fs_free_irq(dev, fep->interrupt); - - 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); - 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); - phy_ethtool_sset(fep->phydev, cmd); - return 0; -} - -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_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = ethtool_op_set_tx_csum, /* local! */ - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .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); - struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&rq->ifr_data; - unsigned long flags; - int rc; - - if (!netif_running(dev)) - return -EINVAL; - - spin_lock_irqsave(&fep->lock, flags); - rc = phy_mii_ioctl(fep->phydev, mii, cmd); - spin_unlock_irqrestore(&fep->lock, flags); - return rc; -} - -extern int fs_mii_connect(struct net_device *dev); -extern void fs_mii_disconnect(struct net_device *dev); - -static struct net_device *fs_init_instance(struct device *dev, - const struct fs_platform_info *fpi) -{ - struct net_device *ndev = NULL; - struct fs_enet_private *fep = NULL; - int privsize, i, r, err = 0, registered = 0; - - /* guard */ - if ((unsigned int)fpi->fs_no >= FS_MAX_INDEX) - return ERR_PTR(-EINVAL); - - privsize = sizeof(*fep) + (sizeof(struct sk_buff **) * - (fpi->rx_ring + fpi->tx_ring)); - - ndev = alloc_etherdev(privsize); - if (!ndev) { - err = -ENOMEM; - goto err; - } - SET_MODULE_OWNER(ndev); - - fep = netdev_priv(ndev); - memset(fep, 0, privsize); /* clear everything */ - - fep->dev = dev; - dev_set_drvdata(dev, ndev); - fep->fpi = fpi; - if (fpi->init_ioports) - fpi->init_ioports(); - -#ifdef CONFIG_FS_ENET_HAS_FEC - if (fs_get_fec_index(fpi->fs_no) >= 0) - fep->ops = &fs_fec_ops; -#endif - -#ifdef CONFIG_FS_ENET_HAS_SCC - if (fs_get_scc_index(fpi->fs_no) >=0 ) - fep->ops = &fs_scc_ops; -#endif - -#ifdef CONFIG_FS_ENET_HAS_FCC - if (fs_get_fcc_index(fpi->fs_no) >= 0) - fep->ops = &fs_fcc_ops; -#endif - - if (fep->ops == NULL) { - printk(KERN_ERR DRV_MODULE_NAME - ": %s No matching ops found (%d).\n", - ndev->name, fpi->fs_no); - err = -EINVAL; - goto err; - } - - r = (*fep->ops->setup_data)(ndev); - if (r != 0) { - printk(KERN_ERR DRV_MODULE_NAME - ": %s setup_data failed\n", - ndev->name); - err = r; - goto err; - } - - /* point rx_skbuff, tx_skbuff */ - fep->rx_skbuff = (struct sk_buff **)&fep[1]; - fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring; - - /* init locks */ - spin_lock_init(&fep->lock); - spin_lock_init(&fep->tx_lock); - - /* - * Set the Ethernet address. - */ - for (i = 0; i < 6; i++) - ndev->dev_addr[i] = fpi->macaddr[i]; - - r = (*fep->ops->allocate_bd)(ndev); - - if (fep->ring_base == NULL) { - printk(KERN_ERR DRV_MODULE_NAME - ": %s buffer descriptor alloc failed (%d).\n", ndev->name, r); - err = r; - goto err; - } - - /* - * Set receive and transmit descriptor base. - */ - fep->rx_bd_base = fep->ring_base; - fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring; - - /* initialize ring size variables */ - fep->tx_ring = fpi->tx_ring; - fep->rx_ring = fpi->rx_ring; - - /* - * The FEC Ethernet specific entries in the device structure. - */ - ndev->open = fs_enet_open; - ndev->hard_start_xmit = fs_enet_start_xmit; - ndev->tx_timeout = fs_timeout; - ndev->watchdog_timeo = 2 * HZ; - ndev->stop = fs_enet_close; - ndev->get_stats = fs_enet_get_stats; - ndev->set_multicast_list = fs_set_multicast_list; - if (fpi->use_napi) { - ndev->poll = fs_enet_rx_napi; - ndev->weight = fpi->napi_weight; - } - ndev->ethtool_ops = &fs_ethtool_ops; - ndev->do_ioctl = fs_ioctl; - - init_timer(&fep->phy_timer_list); - - netif_carrier_off(ndev); - - err = register_netdev(ndev); - if (err != 0) { - printk(KERN_ERR DRV_MODULE_NAME - ": %s register_netdev failed.\n", ndev->name); - goto err; - } - registered = 1; - - - return ndev; - - err: - if (ndev != NULL) { - - if (registered) - unregister_netdev(ndev); - - if (fep != NULL) { - (*fep->ops->free_bd)(ndev); - (*fep->ops->cleanup_data)(ndev); - } - - free_netdev(ndev); - } - - dev_set_drvdata(dev, NULL); - - return ERR_PTR(err); -} - -static int fs_cleanup_instance(struct net_device *ndev) -{ - struct fs_enet_private *fep; - const struct fs_platform_info *fpi; - struct device *dev; - - if (ndev == NULL) - return -EINVAL; - - fep = netdev_priv(ndev); - if (fep == NULL) - return -EINVAL; - - fpi = fep->fpi; - - unregister_netdev(ndev); - - dma_free_coherent(fep->dev, (fpi->tx_ring + fpi->rx_ring) * sizeof(cbd_t), - fep->ring_base, fep->ring_mem_addr); - - /* reset it */ - (*fep->ops->cleanup_data)(ndev); - - dev = fep->dev; - if (dev != NULL) { - dev_set_drvdata(dev, NULL); - fep->dev = NULL; - } - - free_netdev(ndev); - - return 0; -} - -/**************************************************************************************/ - -/* handy pointer to the immap */ -void *fs_enet_immap = NULL; - -static int setup_immap(void) -{ - phys_addr_t paddr = 0; - unsigned long size = 0; - -#ifdef CONFIG_CPM1 - paddr = IMAP_ADDR; - size = 0x10000; /* map 64K */ -#endif - -#ifdef CONFIG_CPM2 - paddr = CPM_MAP_ADDR; - size = 0x40000; /* map 256 K */ -#endif - fs_enet_immap = ioremap(paddr, size); - if (fs_enet_immap == NULL) - return -EBADF; /* XXX ahem; maybe just BUG_ON? */ - - return 0; -} - -static void cleanup_immap(void) -{ - if (fs_enet_immap != NULL) { - iounmap(fs_enet_immap); - fs_enet_immap = NULL; - } -} - -/**************************************************************************************/ - -static int __devinit fs_enet_probe(struct device *dev) -{ - struct net_device *ndev; - - /* no fixup - no device */ - if (dev->platform_data == NULL) { - printk(KERN_INFO "fs_enet: " - "probe called with no platform data; " - "remove unused devices\n"); - return -ENODEV; - } - - ndev = fs_init_instance(dev, dev->platform_data); - if (IS_ERR(ndev)) - return PTR_ERR(ndev); - return 0; -} - -static int fs_enet_remove(struct device *dev) -{ - return fs_cleanup_instance(dev_get_drvdata(dev)); -} - -static struct device_driver fs_enet_fec_driver = { - .name = "fsl-cpm-fec", - .bus = &platform_bus_type, - .probe = fs_enet_probe, - .remove = fs_enet_remove, -#ifdef CONFIG_PM -/* .suspend = fs_enet_suspend, TODO */ -/* .resume = fs_enet_resume, TODO */ -#endif -}; - -static struct device_driver fs_enet_scc_driver = { - .name = "fsl-cpm-scc", - .bus = &platform_bus_type, - .probe = fs_enet_probe, - .remove = fs_enet_remove, -#ifdef CONFIG_PM -/* .suspend = fs_enet_suspend, TODO */ -/* .resume = fs_enet_resume, TODO */ -#endif -}; - -static struct device_driver fs_enet_fcc_driver = { - .name = "fsl-cpm-fcc", - .bus = &platform_bus_type, - .probe = fs_enet_probe, - .remove = fs_enet_remove, -#ifdef CONFIG_PM -/* .suspend = fs_enet_suspend, TODO */ -/* .resume = fs_enet_resume, TODO */ -#endif -}; - -static int __init fs_init(void) -{ - int r; - - printk(KERN_INFO - "%s", version); - - r = setup_immap(); - if (r != 0) - return r; - -#ifdef CONFIG_FS_ENET_HAS_FCC - /* let's insert mii stuff */ - r = fs_enet_mdio_bb_init(); - - if (r != 0) { - printk(KERN_ERR DRV_MODULE_NAME - "BB PHY init failed.\n"); - return r; - } - r = driver_register(&fs_enet_fcc_driver); - if (r != 0) - goto err; -#endif - -#ifdef CONFIG_FS_ENET_HAS_FEC - r = fs_enet_mdio_fec_init(); - if (r != 0) { - printk(KERN_ERR DRV_MODULE_NAME - "FEC PHY init failed.\n"); - return r; - } - - r = driver_register(&fs_enet_fec_driver); - if (r != 0) - goto err; -#endif - -#ifdef CONFIG_FS_ENET_HAS_SCC - r = driver_register(&fs_enet_scc_driver); - if (r != 0) - goto err; -#endif - - return 0; -err: - cleanup_immap(); - return r; - -} - -static void __exit fs_cleanup(void) -{ - driver_unregister(&fs_enet_fec_driver); - driver_unregister(&fs_enet_fcc_driver); - driver_unregister(&fs_enet_scc_driver); - cleanup_immap(); -} - -/**************************************************************************************/ - -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 95022c005f7..00000000000 --- a/drivers/net/fs_enet/fs_enet.h +++ /dev/null @@ -1,254 +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/fs_enet_pd.h> - -#include <asm/dma-mapping.h> - -#ifdef CONFIG_CPM1 -#include <asm/commproc.h> - -struct fec_info { - fec_t* fecp; - u32 mii_speed; -}; -#endif - -#ifdef CONFIG_CPM2 -#include <asm/cpm2.h> -#endif - -/* This is used to operate with pins. - Note that the actual port size may - be different; cpm(s) handle it OK */ -struct bb_info { - u8 mdio_dat_msk; - u8 mdio_dir_msk; - u8 *mdio_dir; - u8 *mdio_dat; - u8 mdc_msk; - u8 *mdc_dat; - int delay; -}; - -/* 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 (*pre_request_irq)(struct net_device *dev, int irq); - void (*post_free_irq)(struct net_device *dev, int irq); - 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_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE) - -struct fs_enet_mii_bus { - struct list_head list; - spinlock_t mii_lock; - const struct fs_mii_bus_info *bus_info; - int refs; - u32 usage_map; - - int (*mii_read)(struct fs_enet_mii_bus *bus, - int phy_id, int location); - - void (*mii_write)(struct fs_enet_mii_bus *bus, - int phy_id, int location, int value); - - union { - struct { - unsigned int mii_speed; - void *fecp; - } fec; - - struct { - /* note that the actual port size may */ - /* be different; cpm(s) handle it OK */ - u8 mdio_msk; - u8 *mdio_dir; - u8 *mdio_dat; - u8 mdc_msk; - u8 *mdc_dir; - u8 *mdc_dat; - } bitbang; - - struct { - u16 lpa; - } fixed; - }; -}; - -struct fs_enet_private { - struct device *dev; /* pointer back to the device (must be initialized first) */ - spinlock_t lock; /* during all ops except TX pckt processing */ - spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */ - const struct fs_platform_info *fpi; - const struct fs_ops *ops; - int rx_ring, tx_ring; - dma_addr_t ring_mem_addr; - void *ring_base; - struct sk_buff **rx_skbuff; - struct sk_buff **tx_skbuff; - cbd_t *rx_bd_base; /* Address of Rx and Tx buffers. */ - cbd_t *tx_bd_base; - cbd_t *dirty_tx; /* ring entries to be free()ed. */ - cbd_t *cur_rx; - cbd_t *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; - struct fs_enet_mii_bus *mii_bus; - 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 *fecp; /* hw registers */ - u32 hthi, htlo; /* state for multicast */ - } fec; - - struct { - int idx; /* FCC1-3 = 0-2 */ - void *fccp; /* hw registers */ - void *ep; /* parameter ram */ - void *fcccp; /* hw registers cont. */ - void *mem; /* FCC DPRAM */ - u32 gaddrh, gaddrl; /* group address */ - } fcc; - - struct { - int idx; /* FEC1 = 0, FEC2 = 1 */ - void *sccp; /* hw registers */ - void *ep; /* parameter ram */ - u32 hthi, htlo; /* state for multicast */ - } scc; - - }; -}; - -/***************************************************************************/ -int fs_enet_mdio_bb_init(void); -int fs_mii_fixed_init(struct fs_enet_mii_bus *bus); -int fs_enet_mdio_fec_init(void); - -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; - -/*******************************************************************/ - -/* handy pointer to the immap */ -extern void *fs_enet_immap; - -/*******************************************************************/ - -#endif diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c deleted file mode 100644 index 1ff2597b849..00000000000 --- a/drivers/net/fs_enet/mac-fcc.c +++ /dev/null @@ -1,592 +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/sched.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/pci.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 <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 */ - -#define __fcc_out32(addr, x) out_be32((unsigned *)addr, x) -#define __fcc_out16(addr, x) out_be16((unsigned short *)addr, x) -#define __fcc_out8(addr, x) out_8((unsigned char *)addr, x) -#define __fcc_in32(addr) in_be32((unsigned *)addr) -#define __fcc_in16(addr) in_be16((unsigned short *)addr) -#define __fcc_in8(addr) in_8((unsigned char *)addr) - -/* parameter space */ - -/* write, read, set bits, clear bits */ -#define W32(_p, _m, _v) __fcc_out32(&(_p)->_m, (_v)) -#define R32(_p, _m) __fcc_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) __fcc_out16(&(_p)->_m, (_v)) -#define R16(_p, _m) __fcc_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) __fcc_out8(&(_p)->_m, (_v)) -#define R8(_p, _m) __fcc_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 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 mcn, u32 op) -{ - const struct fs_platform_info *fpi = fep->fpi; - - cpm2_map_t *immap = fs_enet_immap; - cpm_cpm2_t *cpmp = &immap->im_cpm; - u32 v; - int i; - - /* Currently I don't know what feature call will look like. But - I guess there'd be something like do_cpm_cmd() which will require page & sblock */ - v = mk_cr_cmd(fpi->cp_page, fpi->cp_block, mcn, op); - W32(cpmp, cp_cpcr, v | CPM_CR_FLG); - for (i = 0; i < MAX_CR_CMD_LOOPS; i++) - if ((R32(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) - break; - - if (i >= MAX_CR_CMD_LOOPS) { - printk(KERN_ERR "%s(): Not able to issue CPM command\n", - __FUNCTION__); - return 1; - } - - return 0; -} - -static int do_pd_setup(struct fs_enet_private *fep) -{ - struct platform_device *pdev = to_platform_device(fep->dev); - struct resource *r; - - /* Fill out IRQ field */ - fep->interrupt = platform_get_irq(pdev, 0); - if (fep->interrupt < 0) - return -EINVAL; - - /* Attach the memory for the FCC Parameter RAM */ - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_pram"); - fep->fcc.ep = (void *)ioremap(r->start, r->end - r->start + 1); - if (fep->fcc.ep == NULL) - return -EINVAL; - - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_regs"); - fep->fcc.fccp = (void *)ioremap(r->start, r->end - r->start + 1); - if (fep->fcc.fccp == NULL) - return -EINVAL; - - if (fep->fpi->fcc_regs_c) { - - fep->fcc.fcccp = (void *)fep->fpi->fcc_regs_c; - } else { - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "fcc_regs_c"); - fep->fcc.fcccp = (void *)ioremap(r->start, - r->end - r->start + 1); - } - - if (fep->fcc.fcccp == NULL) - return -EINVAL; - - fep->fcc.mem = (void *)fep->fpi->mem_offset; - if (fep->fcc.mem == NULL) - return -EINVAL; - - return 0; -} - -#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 | FCC_ENET_BSY) - -static int setup_data(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; - - fep->fcc.idx = fs_get_fcc_index(fpi->fs_no); - if ((unsigned int)fep->fcc.idx >= 3) /* max 3 FCCs */ - return -EINVAL; - - 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 = 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), - 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 *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 *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 *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, 0x0C, CPM_CR_SET_GADDR); -} - -static void set_multicast_finish(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t *fccp = fep->fcc.fccp; - fcc_enet_t *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 || - dev->mc_count > 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 dev_mc_list *pmc; - - if ((dev->flags & IFF_PROMISC) == 0) { - set_multicast_start(dev); - for (pmc = dev->mc_list; pmc != NULL; pmc = pmc->next) - set_multicast_one(dev, pmc->dmi_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 *fccp = fep->fcc.fccp; - fcc_c_t *fcccp = fep->fcc.fcccp; - fcc_enet_t *ep = fep->fcc.ep; - dma_addr_t rx_bd_base_phys, tx_bd_base_phys; - u16 paddrh, paddrm, paddrl; - u16 mem_addr; - 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++) - __fcc_out8((char *)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. - */ - - mem_addr = (u32) fep->fcc.mem; /* de-fixup dpram offset */ - - W16(ep, fen_genfcc.fcc_riptr, (mem_addr & 0xffff)); - W16(ep, fen_genfcc.fcc_tiptr, ((mem_addr + 32) & 0xffff)); - W16(ep, fen_padptr, mem_addr + 64); - - /* fill with special symbol... */ - memset(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, 0x0c, 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); - - 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 *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 pre_request_irq(struct net_device *dev, int irq) -{ - /* nothing */ -} - -static void post_free_irq(struct net_device *dev, int irq) -{ - /* nothing */ -} - -static void napi_clear_rx_event(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t *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 *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 *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 *fccp = fep->fcc.fccp; - - S32(fccp, fcc_ftodr, 0x80); -} - -static u32 get_int_events(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t *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 *fccp = fep->fcc.fccp; - - W16(fccp, fcc_fcce, int_events & 0xffff); -} - -static void ev_error(struct net_device *dev, u32 int_events) -{ - printk(KERN_WARNING DRV_MODULE_NAME - ": %s FS_ENET ERROR(s) 0x%x\n", dev->name, int_events); -} - -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_c_t) + sizeof(fcc_enet_t)) - return -EINVAL; - - memcpy_fromio(p, fep->fcc.fccp, sizeof(fcc_t)); - p = (char *)p + sizeof(fcc_t); - - memcpy_fromio(p, fep->fcc.fcccp, sizeof(fcc_c_t)); - p = (char *)p + sizeof(fcc_c_t); - - memcpy_fromio(p, fep->fcc.ep, sizeof(fcc_enet_t)); - - return 0; -} - -int get_regs_len(struct net_device *dev) -{ - return sizeof(fcc_t) + sizeof(fcc_c_t) + sizeof(fcc_enet_t); -} - -/* Some transmit errors cause the transmitter to shut - * down. We now issue a restart transmit. Since the - * errors close the BD and update the pointers, the restart - * _should_ pick up without having to reset any of our - * pointers either. Also, To workaround 8260 device erratum - * CPM37, we must disable and then re-enable the transmitter - * following a Late Collision, Underrun, or Retry Limit error. - */ -void tx_restart(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fcc_t *fccp = fep->fcc.fccp; - - C32(fccp, fcc_gfmr, FCC_GFMR_ENT); - udelay(10); - S32(fccp, fcc_gfmr, FCC_GFMR_ENT); - - fcc_cr_cmd(fep, 0x0C, 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, - .pre_request_irq = pre_request_irq, - .post_free_irq = post_free_irq, - .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 c2c5fd419bd..00000000000 --- a/drivers/net/fs_enet/mac-fec.c +++ /dev/null @@ -1,549 +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/sched.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/pci.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 <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/commproc.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(fec_t * 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 *pdev = to_platform_device(fep->dev); - struct resource *r; - - /* Fill out IRQ field */ - fep->interrupt = platform_get_irq_byname(pdev,"interrupt"); - if (fep->interrupt < 0) - return -EINVAL; - - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - fep->fec.fecp =(void*)r->start; - - if(fep->fec.fecp == NULL) - 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 = 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), - 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); - fec_t *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); - fec_t *fecp = fep->fec.fecp; - - /* if all multi or too many multicasts; just enable all */ - if ((dev->flags & IFF_ALLMULTI) != 0 || - dev->mc_count > FEC_MAX_MULTICAST_ADDRS) { - fep->fec.hthi = 0xffffffffU; - fep->fec.htlo = 0xffffffffU; - } - - FC(fecp, r_cntrl, FEC_RCNTRL_PROM); - FW(fecp, hash_table_high, fep->fec.hthi); - FW(fecp, hash_table_low, fep->fec.htlo); -} - -static void set_multicast_list(struct net_device *dev) -{ - struct dev_mc_list *pmc; - - if ((dev->flags & IFF_PROMISC) == 0) { - set_multicast_start(dev); - for (pmc = dev->mc_list; pmc != NULL; pmc = pmc->next) - set_multicast_one(dev, pmc->dmi_addr); - set_multicast_finish(dev); - } else - set_promiscuous_mode(dev); -} - -static void restart(struct net_device *dev) -{ -#ifdef CONFIG_DUET - immap_t *immap = fs_enet_immap; - u32 cptr; -#endif - struct fs_enet_private *fep = netdev_priv(dev); - fec_t *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) - printk(KERN_ERR DRV_MODULE_NAME - ": %s FEC Reset FAILED!\n", dev->name); - /* - * 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, hash_table_high, fep->fec.hthi); - FW(fecp, hash_table_low, fep->fec.htlo); - - /* - * Set maximum receive buffer size. - */ - FW(fecp, r_buff_size, PKT_MAXBLR_SIZE); - FW(fecp, r_hash, PKT_MAXBUF_SIZE); - - /* 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. - */ - FW(fecp, fun_code, 0x78000000); - - /* - * Set MII speed. - */ - FW(fecp, mii_speed, fec_inf->mii_speed); - - /* - * Clear any outstanding interrupt. - */ - FW(fecp, ievent, 0xffc0); - FW(fecp, ivec, (fep->interrupt / 2) << 29); - - - /* - * adjust to speed (only for DUET & RMII) - */ -#ifdef CONFIG_DUET - if (fpi->use_rmii) { - cptr = in_be32(&immap->im_cpm.cp_cptr); - switch (fs_get_fec_index(fpi->fs_no)) { - case 0: - cptr |= 0x100; - if (fep->speed == 10) - cptr |= 0x0000010; - else if (fep->speed == 100) - cptr &= ~0x0000010; - break; - case 1: - cptr |= 0x80; - if (fep->speed == 10) - cptr |= 0x0000008; - else if (fep->speed == 100) - cptr &= ~0x0000008; - break; - default: - BUG(); /* should never happen */ - break; - } - out_be32(&immap->im_cpm.cp_cptr, cptr); - } -#endif - - - FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ - /* - * 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; - fec_t *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) - printk(KERN_WARNING DRV_MODULE_NAME - ": %s FEC timeout on graceful transmit stop\n", - dev->name); - /* - * 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 pre_request_irq(struct net_device *dev, int irq) -{ - immap_t *immap = fs_enet_immap; - u32 siel; - - /* SIU interrupt */ - if (irq >= SIU_IRQ0 && irq < SIU_LEVEL7) { - - siel = in_be32(&immap->im_siu_conf.sc_siel); - if ((irq & 1) == 0) - siel |= (0x80000000 >> irq); - else - siel &= ~(0x80000000 >> (irq & ~1)); - out_be32(&immap->im_siu_conf.sc_siel, siel); - } -} - -static void post_free_irq(struct net_device *dev, int irq) -{ - /* nothing */ -} - -static void napi_clear_rx_event(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - fec_t *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); - fec_t *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); - fec_t *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); - fec_t *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); - fec_t *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); - fec_t *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); - fec_t *fecp = fep->fec.fecp; - - FW(fecp, ievent, int_events); -} - -static void ev_error(struct net_device *dev, u32 int_events) -{ - printk(KERN_WARNING DRV_MODULE_NAME - ": %s FEC ERROR(s) 0x%x\n", dev->name, int_events); -} - -int get_regs(struct net_device *dev, void *p, int *sizep) -{ - struct fs_enet_private *fep = netdev_priv(dev); - - if (*sizep < sizeof(fec_t)) - return -EINVAL; - - memcpy_fromio(p, fep->fec.fecp, sizeof(fec_t)); - - return 0; -} - -int get_regs_len(struct net_device *dev) -{ - return sizeof(fec_t); -} - -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, - .pre_request_irq = pre_request_irq, - .post_free_irq = post_free_irq, - .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 95ec5872c50..00000000000 --- a/drivers/net/fs_enet/mac-scc.c +++ /dev/null @@ -1,528 +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/sched.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/pci.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 <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/commproc.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) -#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 -#define MAX_CR_CMD_LOOPS 10000 - -static inline int scc_cr_cmd(struct fs_enet_private *fep, u32 op) -{ - cpm8xx_t *cpmp = &((immap_t *)fs_enet_immap)->im_cpm; - u32 v, ch; - int i = 0; - - ch = fep->scc.idx << 2; - v = mk_cr_cmd(ch, op); - W16(cpmp, cp_cpcr, v | CPM_CR_FLG); - for (i = 0; i < MAX_CR_CMD_LOOPS; i++) - if ((R16(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) - break; - - if (i >= MAX_CR_CMD_LOOPS) { - printk(KERN_ERR "%s(): Not able to issue CPM command\n", - __FUNCTION__); - return 1; - } - return 0; -} - -static int do_pd_setup(struct fs_enet_private *fep) -{ - struct platform_device *pdev = to_platform_device(fep->dev); - struct resource *r; - - /* Fill out IRQ field */ - fep->interrupt = platform_get_irq_byname(pdev, "interrupt"); - if (fep->interrupt < 0) - return -EINVAL; - - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - fep->scc.sccp = (void *)r->start; - - if (fep->scc.sccp == NULL) - return -EINVAL; - - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pram"); - fep->scc.ep = (void *)r->start; - - if (fep->scc.ep == NULL) - 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); - const struct fs_platform_info *fpi = fep->fpi; - - fep->scc.idx = fs_get_scc_index(fpi->fs_no); - if ((unsigned int)fep->fcc.idx > 4) /* max 4 SCCs */ - return -EINVAL; - - 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; - 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_DPERR(fep->ring_mem_addr)) - return -ENOMEM; - - fep->ring_base = 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 *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 *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 *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 *sccp = fep->scc.sccp; - scc_enet_t *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 || - dev->mc_count > 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 dev_mc_list *pmc; - - if ((dev->flags & IFF_PROMISC) == 0) { - set_multicast_start(dev); - for (pmc = dev->mc_list; pmc != NULL; pmc = pmc->next) - set_multicast_one(dev, pmc->dmi_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 *sccp = fep->scc.sccp; - scc_enet_t *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((char *)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. - */ - W8(ep, sen_genscc.scc_rfcr, SCC_EB); - W8(ep, sen_genscc.scc_tfcr, SCC_EB); - - /* 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 *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) - printk(KERN_WARNING DRV_MODULE_NAME - ": %s SCC timeout on graceful transmit stop\n", - dev->name); - - W16(sccp, scc_sccm, 0); - C32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); - - fs_cleanup_bds(dev); -} - -static void pre_request_irq(struct net_device *dev, int irq) -{ - immap_t *immap = fs_enet_immap; - u32 siel; - - /* SIU interrupt */ - if (irq >= SIU_IRQ0 && irq < SIU_LEVEL7) { - - siel = in_be32(&immap->im_siu_conf.sc_siel); - if ((irq & 1) == 0) - siel |= (0x80000000 >> irq); - else - siel &= ~(0x80000000 >> (irq & ~1)); - out_be32(&immap->im_siu_conf.sc_siel, siel); - } -} - -static void post_free_irq(struct net_device *dev, int irq) -{ - /* nothing */ -} - -static void napi_clear_rx_event(struct net_device *dev) -{ - struct fs_enet_private *fep = netdev_priv(dev); - scc_t *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 *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 *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 *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 *sccp = fep->scc.sccp; - - W16(sccp, scc_scce, int_events & 0xffff); -} - -static void ev_error(struct net_device *dev, u32 int_events) -{ - printk(KERN_WARNING DRV_MODULE_NAME - ": %s SCC ERROR(s) 0x%x\n", dev->name, 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)) - 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)); - - return 0; -} - -static int get_regs_len(struct net_device *dev) -{ - return sizeof(scc_t) + sizeof(scc_enet_t); -} - -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, - .pre_request_irq = pre_request_irq, - .post_free_irq = post_free_irq, - .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 0b9b8b5c847..00000000000 --- a/drivers/net/fs_enet/mii-bitbang.c +++ /dev/null @@ -1,408 +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/sched.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/pci.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 <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.h> - -#include "fs_enet.h" - -static int bitbang_prep_bit(u8 **datp, u8 *mskp, - struct fs_mii_bit *mii_bit) -{ - void *dat; - int adv; - u8 msk; - - dat = (void*) mii_bit->offset; - - adv = mii_bit->bit >> 3; - dat = (char *)dat + adv; - - msk = 1 << (7 - (mii_bit->bit & 7)); - - *datp = dat; - *mskp = msk; - - return 0; -} - -static inline void bb_set(u8 *p, u8 m) -{ - out_8(p, in_8(p) | m); -} - -static inline void bb_clr(u8 *p, u8 m) -{ - out_8(p, in_8(p) & ~m); -} - -static inline int bb_read(u8 *p, u8 m) -{ - return (in_8(p) & m) != 0; -} - -static inline void mdio_active(struct bb_info *bitbang) -{ - bb_set(bitbang->mdio_dir, bitbang->mdio_dir_msk); -} - -static inline void mdio_tristate(struct bb_info *bitbang ) -{ - bb_clr(bitbang->mdio_dir, bitbang->mdio_dir_msk); -} - -static inline int mdio_read(struct bb_info *bitbang ) -{ - return bb_read(bitbang->mdio_dat, bitbang->mdio_dat_msk); -} - -static inline void mdio(struct bb_info *bitbang , int what) -{ - if (what) - bb_set(bitbang->mdio_dat, bitbang->mdio_dat_msk); - else - bb_clr(bitbang->mdio_dat, bitbang->mdio_dat_msk); -} - -static inline void mdc(struct bb_info *bitbang , int what) -{ - if (what) - bb_set(bitbang->mdc_dat, bitbang->mdc_msk); - else - bb_clr(bitbang->mdc_dat, bitbang->mdc_msk); -} - -static inline void mii_delay(struct bb_info *bitbang ) -{ - udelay(bitbang->delay); -} - -/* Utility to send the preamble, address, and register (common to read and write). */ -static void bitbang_pre(struct bb_info *bitbang , int read, u8 addr, u8 reg) -{ - int j; - - /* - * Send a 32 bit preamble ('1's) with an extra '1' bit for good measure. - * The IEEE spec says this is a PHY optional requirement. The AMD - * 79C874 requires one after power up and one after a MII communications - * error. This means that we are doing more preambles than we need, - * but it is safer and will be much more robust. - */ - - mdio_active(bitbang); - mdio(bitbang, 1); - for (j = 0; j < 32; j++) { - mdc(bitbang, 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - } - - /* send the start bit (01) and the read opcode (10) or write (10) */ - mdc(bitbang, 0); - mdio(bitbang, 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - mdc(bitbang, 0); - mdio(bitbang, 1); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - mdc(bitbang, 0); - mdio(bitbang, read); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - mdc(bitbang, 0); - mdio(bitbang, !read); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - - /* send the PHY address */ - for (j = 0; j < 5; j++) { - mdc(bitbang, 0); - mdio(bitbang, (addr & 0x10) != 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - addr <<= 1; - } - - /* send the register address */ - for (j = 0; j < 5; j++) { - mdc(bitbang, 0); - mdio(bitbang, (reg & 0x10) != 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - reg <<= 1; - } -} - -static int fs_enet_mii_bb_read(struct mii_bus *bus , int phy_id, int location) -{ - u16 rdreg; - int ret, j; - u8 addr = phy_id & 0xff; - u8 reg = location & 0xff; - struct bb_info* bitbang = bus->priv; - - bitbang_pre(bitbang, 1, addr, reg); - - /* tri-state our MDIO I/O pin so we can read */ - mdc(bitbang, 0); - mdio_tristate(bitbang); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - - /* check the turnaround bit: the PHY should be driving it to zero */ - if (mdio_read(bitbang) != 0) { - /* PHY didn't drive TA low */ - for (j = 0; j < 32; j++) { - mdc(bitbang, 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - } - ret = -1; - goto out; - } - - mdc(bitbang, 0); - mii_delay(bitbang); - - /* read 16 bits of register data, MSB first */ - rdreg = 0; - for (j = 0; j < 16; j++) { - mdc(bitbang, 1); - mii_delay(bitbang); - rdreg <<= 1; - rdreg |= mdio_read(bitbang); - mdc(bitbang, 0); - mii_delay(bitbang); - } - - mdc(bitbang, 1); - mii_delay(bitbang); - mdc(bitbang, 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - - ret = rdreg; -out: - return ret; -} - -static int fs_enet_mii_bb_write(struct mii_bus *bus, int phy_id, int location, u16 val) -{ - int j; - struct bb_info* bitbang = bus->priv; - - u8 addr = phy_id & 0xff; - u8 reg = location & 0xff; - u16 value = val & 0xffff; - - bitbang_pre(bitbang, 0, addr, reg); - - /* send the turnaround (10) */ - mdc(bitbang, 0); - mdio(bitbang, 1); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - mdc(bitbang, 0); - mdio(bitbang, 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - - /* write 16 bits of register data, MSB first */ - for (j = 0; j < 16; j++) { - mdc(bitbang, 0); - mdio(bitbang, (value & 0x8000) != 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - value <<= 1; - } - - /* - * Tri-state the MDIO line. - */ - mdio_tristate(bitbang); - mdc(bitbang, 0); - mii_delay(bitbang); - mdc(bitbang, 1); - mii_delay(bitbang); - return 0; -} - -static int fs_enet_mii_bb_reset(struct mii_bus *bus) -{ - /*nothing here - dunno how to reset it*/ - return 0; -} - -static int fs_mii_bitbang_init(struct bb_info *bitbang, struct fs_mii_bb_platform_info* fmpi) -{ - int r; - - bitbang->delay = fmpi->delay; - - r = bitbang_prep_bit(&bitbang->mdio_dir, - &bitbang->mdio_dir_msk, - &fmpi->mdio_dir); - if (r != 0) - return r; - - r = bitbang_prep_bit(&bitbang->mdio_dat, - &bitbang->mdio_dat_msk, - &fmpi->mdio_dat); - if (r != 0) - return r; - - r = bitbang_prep_bit(&bitbang->mdc_dat, - &bitbang->mdc_msk, - &fmpi->mdc_dat); - if (r != 0) - return r; - - return 0; -} - - -static int __devinit fs_enet_mdio_probe(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct fs_mii_bb_platform_info *pdata; - struct mii_bus *new_bus; - struct bb_info *bitbang; - int err = 0; - - if (NULL == dev) - return -EINVAL; - - new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); - - if (NULL == new_bus) - return -ENOMEM; - - bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL); - - if (NULL == bitbang) - return -ENOMEM; - - new_bus->name = "BB MII Bus", - new_bus->read = &fs_enet_mii_bb_read, - new_bus->write = &fs_enet_mii_bb_write, - new_bus->reset = &fs_enet_mii_bb_reset, - new_bus->id = pdev->id; - - new_bus->phy_mask = ~0x9; - pdata = (struct fs_mii_bb_platform_info *)pdev->dev.platform_data; - - if (NULL == pdata) { - printk(KERN_ERR "gfar mdio %d: Missing platform data!\n", pdev->id); - return -ENODEV; - } - - /*set up workspace*/ - fs_mii_bitbang_init(bitbang, pdata); - - new_bus->priv = bitbang; - - new_bus->irq = pdata->irq; - - new_bus->dev = dev; - dev_set_drvdata(dev, new_bus); - - err = mdiobus_register(new_bus); - - if (0 != err) { - printk (KERN_ERR "%s: Cannot register as MDIO bus\n", - new_bus->name); - goto bus_register_fail; - } - - return 0; - -bus_register_fail: - kfree(bitbang); - kfree(new_bus); - - return err; -} - - -static int fs_enet_mdio_remove(struct device *dev) -{ - struct mii_bus *bus = dev_get_drvdata(dev); - - mdiobus_unregister(bus); - - dev_set_drvdata(dev, NULL); - - iounmap((void *) (&bus->priv)); - bus->priv = NULL; - kfree(bus); - - return 0; -} - -static struct device_driver fs_enet_bb_mdio_driver = { - .name = "fsl-bb-mdio", - .bus = &platform_bus_type, - .probe = fs_enet_mdio_probe, - .remove = fs_enet_mdio_remove, -}; - -int fs_enet_mdio_bb_init(void) -{ - return driver_register(&fs_enet_bb_mdio_driver); -} - -void fs_enet_mdio_bb_exit(void) -{ - driver_unregister(&fs_enet_bb_mdio_driver); -} - diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c deleted file mode 100644 index 1328e10caa3..00000000000 --- a/drivers/net/fs_enet/mii-fec.c +++ /dev/null @@ -1,243 +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/config.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.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/pci.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 <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.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 match_has_phy (struct device *dev, void* data) -{ - struct platform_device* pdev = container_of(dev, struct platform_device, dev); - struct fs_platform_info* fpi; - if(strcmp(pdev->name, (char*)data)) - { - return 0; - } - - fpi = pdev->dev.platform_data; - if((fpi)&&(fpi->has_phy)) - return 1; - return 0; -} - -static int fs_mii_fec_init(struct fec_info* fec, struct fs_mii_fec_platform_info *fmpi) -{ - struct resource *r; - fec_t *fecp; - char* name = "fsl-cpm-fec"; - - /* we need fec in order to be useful */ - struct platform_device *fec_pdev = - container_of(bus_find_device(&platform_bus_type, NULL, name, match_has_phy), - struct platform_device, dev); - - if(fec_pdev == NULL) { - printk(KERN_ERR"Unable to find PHY for %s", name); - return -ENODEV; - } - - r = platform_get_resource_byname(fec_pdev, IORESOURCE_MEM, "regs"); - - fec->fecp = fecp = (fec_t*)ioremap(r->start,sizeof(fec_t)); - fec->mii_speed = fmpi->mii_speed; - - setbits32(&fecp->fec_r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ - setbits32(&fecp->fec_ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN); - out_be32(&fecp->fec_ievent, FEC_ENET_MII); - out_be32(&fecp->fec_mii_speed, fec->mii_speed); - - return 0; -} - -static int fs_enet_fec_mii_read(struct mii_bus *bus , int phy_id, int location) -{ - struct fec_info* fec = bus->priv; - fec_t *fecp = fec->fecp; - int i, ret = -1; - - if ((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0) - BUG(); - - /* 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; - fec_t *fecp = fec->fecp; - int i; - - /* this must never happen */ - if ((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0) - BUG(); - - /* 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 int __devinit fs_enet_fec_mdio_probe(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct fs_mii_fec_platform_info *pdata; - struct mii_bus *new_bus; - struct fec_info *fec; - int err = 0; - if (NULL == dev) - return -EINVAL; - new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); - - if (NULL == new_bus) - return -ENOMEM; - - fec = kzalloc(sizeof(struct fec_info), GFP_KERNEL); - - if (NULL == fec) - return -ENOMEM; - - 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, - new_bus->id = pdev->id; - - pdata = (struct fs_mii_fec_platform_info *)pdev->dev.platform_data; - - if (NULL == pdata) { - printk(KERN_ERR "fs_enet FEC mdio %d: Missing platform data!\n", pdev->id); - return -ENODEV; - } - - /*set up workspace*/ - - fs_mii_fec_init(fec, pdata); - new_bus->priv = fec; - - new_bus->irq = pdata->irq; - - new_bus->dev = dev; - dev_set_drvdata(dev, new_bus); - - err = mdiobus_register(new_bus); - - if (0 != err) { - printk (KERN_ERR "%s: Cannot register as MDIO bus\n", - new_bus->name); - goto bus_register_fail; - } - - return 0; - -bus_register_fail: - kfree(new_bus); - - return err; -} - - -static int fs_enet_fec_mdio_remove(struct device *dev) -{ - struct mii_bus *bus = dev_get_drvdata(dev); - - mdiobus_unregister(bus); - - dev_set_drvdata(dev, NULL); - kfree(bus->priv); - - bus->priv = NULL; - kfree(bus); - - return 0; -} - -static struct device_driver fs_enet_fec_mdio_driver = { - .name = "fsl-cpm-fec-mdio", - .bus = &platform_bus_type, - .probe = fs_enet_fec_mdio_probe, - .remove = fs_enet_fec_mdio_remove, -}; - -int fs_enet_mdio_fec_init(void) -{ - return driver_register(&fs_enet_fec_mdio_driver); -} - -void fs_enet_mdio_fec_exit(void) -{ - driver_unregister(&fs_enet_fec_mdio_driver); -} - |