diff options
Diffstat (limited to 'drivers/net/ethernet/cadence/at91_ether.c')
| -rw-r--r-- | drivers/net/ethernet/cadence/at91_ether.c | 164 |
1 files changed, 84 insertions, 80 deletions
diff --git a/drivers/net/ethernet/cadence/at91_ether.c b/drivers/net/ethernet/cadence/at91_ether.c index 4e980a7..201d01d 100644 --- a/drivers/net/ethernet/cadence/at91_ether.c +++ b/drivers/net/ethernet/cadence/at91_ether.c @@ -36,11 +36,11 @@ #include <asm/uaccess.h> #include <asm/mach-types.h> -#include <mach/at91rm9200_emac.h> #include <asm/gpio.h> #include <mach/board.h> #include "at91_ether.h" +#include "macb.h" #define DRV_NAME "at91_ether" #define DRV_VERSION "1.0" @@ -76,8 +76,8 @@ static void enable_mdi(struct at91_private *lp) { unsigned long ctl; - ctl = at91_emac_read(lp, AT91_EMAC_CTL); - at91_emac_write(lp, AT91_EMAC_CTL, ctl | AT91_EMAC_MPE); /* enable management port */ + ctl = at91_emac_read(lp, MACB_NCR); + at91_emac_write(lp, MACB_NCR, ctl | MACB_BIT(MPE)); /* enable management port */ } /* @@ -87,8 +87,8 @@ static void disable_mdi(struct at91_private *lp) { unsigned long ctl; - ctl = at91_emac_read(lp, AT91_EMAC_CTL); - at91_emac_write(lp, AT91_EMAC_CTL, ctl & ~AT91_EMAC_MPE); /* disable management port */ + ctl = at91_emac_read(lp, MACB_NCR); + at91_emac_write(lp, MACB_NCR, ctl & ~MACB_BIT(MPE)); /* disable management port */ } /* @@ -98,7 +98,7 @@ static inline void at91_phy_wait(struct at91_private *lp) { unsigned long timeout = jiffies + 2; - while (!(at91_emac_read(lp, AT91_EMAC_SR) & AT91_EMAC_SR_IDLE)) { + while (!(at91_emac_read(lp, MACB_NSR) & MACB_BIT(IDLE))) { if (time_after(jiffies, timeout)) { printk("at91_ether: MIO timeout\n"); break; @@ -113,8 +113,9 @@ static inline void at91_phy_wait(struct at91_private *lp) */ static void write_phy(struct at91_private *lp, unsigned char phy_addr, unsigned char address, unsigned int value) { - at91_emac_write(lp, AT91_EMAC_MAN, AT91_EMAC_MAN_802_3 | AT91_EMAC_RW_W - | ((phy_addr & 0x1f) << 23) | (address << 18) | (value & AT91_EMAC_DATA)); + at91_emac_write(lp, MACB_MAN, MACB_BF(SOF, MACB_MAN_SOF) | MACB_BF(CODE, MACB_MAN_CODE) + | MACB_BF(RW, MACB_MAN_WRITE) | ((phy_addr & 0x1f) << 23) + | (address << 18) | (value & ((1<<MACB_DATA_SIZE) - 1))); /* Wait until IDLE bit in Network Status register is cleared */ at91_phy_wait(lp); @@ -126,13 +127,14 @@ static void write_phy(struct at91_private *lp, unsigned char phy_addr, unsigned */ static void read_phy(struct at91_private *lp, unsigned char phy_addr, unsigned char address, unsigned int *value) { - at91_emac_write(lp, AT91_EMAC_MAN, AT91_EMAC_MAN_802_3 | AT91_EMAC_RW_R - | ((phy_addr & 0x1f) << 23) | (address << 18)); + at91_emac_write(lp, MACB_MAN, MACB_BF(SOF, MACB_MAN_SOF) | MACB_BF(CODE, MACB_MAN_CODE) + | MACB_BF(RW, MACB_MAN_READ) | ((phy_addr & 0x1f) << 23) + | (address << 18)); /* Wait until IDLE bit in Network Status register is cleared */ at91_phy_wait(lp); - *value = at91_emac_read(lp, AT91_EMAC_MAN) & AT91_EMAC_DATA; + *value = at91_emac_read(lp, MACB_MAN) & ((1<<MACB_DATA_SIZE) - 1); } /* ........................... PHY MANAGEMENT .......................... */ @@ -173,18 +175,18 @@ static void update_linkspeed(struct net_device *dev, int silent) } /* Update the MAC */ - mac_cfg = at91_emac_read(lp, AT91_EMAC_CFG) & ~(AT91_EMAC_SPD | AT91_EMAC_FD); + mac_cfg = at91_emac_read(lp, MACB_NCFGR) & ~(MACB_BIT(SPD) | MACB_BIT(FD)); if (speed == SPEED_100) { if (duplex == DUPLEX_FULL) /* 100 Full Duplex */ - mac_cfg |= AT91_EMAC_SPD | AT91_EMAC_FD; + mac_cfg |= MACB_BIT(SPD) | MACB_BIT(FD); else /* 100 Half Duplex */ - mac_cfg |= AT91_EMAC_SPD; + mac_cfg |= MACB_BIT(SPD); } else { if (duplex == DUPLEX_FULL) /* 10 Full Duplex */ - mac_cfg |= AT91_EMAC_FD; + mac_cfg |= MACB_BIT(FD); else {} /* 10 Half Duplex */ } - at91_emac_write(lp, AT91_EMAC_CFG, mac_cfg); + at91_emac_write(lp, MACB_NCFGR, mac_cfg); if (!silent) printk(KERN_INFO "%s: Link now %i-%s\n", dev->name, speed, (duplex == DUPLEX_FULL) ? "FullDuplex" : "HalfDuplex"); @@ -479,16 +481,16 @@ static void __init get_mac_address(struct net_device *dev) struct at91_private *lp = netdev_priv(dev); /* Check Specific-Address 1 */ - if (unpack_mac_address(dev, at91_emac_read(lp, AT91_EMAC_SA1H), at91_emac_read(lp, AT91_EMAC_SA1L))) + if (unpack_mac_address(dev, at91_emac_read(lp, MACB_SA1T), at91_emac_read(lp, MACB_SA1B))) return; /* Check Specific-Address 2 */ - if (unpack_mac_address(dev, at91_emac_read(lp, AT91_EMAC_SA2H), at91_emac_read(lp, AT91_EMAC_SA2L))) + if (unpack_mac_address(dev, at91_emac_read(lp, MACB_SA2T), at91_emac_read(lp, MACB_SA2B))) return; /* Check Specific-Address 3 */ - if (unpack_mac_address(dev, at91_emac_read(lp, AT91_EMAC_SA3H), at91_emac_read(lp, AT91_EMAC_SA3L))) + if (unpack_mac_address(dev, at91_emac_read(lp, MACB_SA3T), at91_emac_read(lp, MACB_SA3B))) return; /* Check Specific-Address 4 */ - if (unpack_mac_address(dev, at91_emac_read(lp, AT91_EMAC_SA4H), at91_emac_read(lp, AT91_EMAC_SA4L))) + if (unpack_mac_address(dev, at91_emac_read(lp, MACB_SA4T), at91_emac_read(lp, MACB_SA4B))) return; printk(KERN_ERR "at91_ether: Your bootloader did not configure a MAC address.\n"); @@ -501,11 +503,12 @@ static void update_mac_address(struct net_device *dev) { struct at91_private *lp = netdev_priv(dev); - at91_emac_write(lp, AT91_EMAC_SA1L, (dev->dev_addr[3] << 24) | (dev->dev_addr[2] << 16) | (dev->dev_addr[1] << 8) | (dev->dev_addr[0])); - at91_emac_write(lp, AT91_EMAC_SA1H, (dev->dev_addr[5] << 8) | (dev->dev_addr[4])); + at91_emac_write(lp, MACB_SA1B, (dev->dev_addr[3] << 24) | (dev->dev_addr[2] << 16) + | (dev->dev_addr[1] << 8) | (dev->dev_addr[0])); + at91_emac_write(lp, MACB_SA1T, (dev->dev_addr[5] << 8) | (dev->dev_addr[4])); - at91_emac_write(lp, AT91_EMAC_SA2L, 0); - at91_emac_write(lp, AT91_EMAC_SA2H, 0); + at91_emac_write(lp, MACB_SA2B, 0); + at91_emac_write(lp, MACB_SA2T, 0); } /* @@ -597,8 +600,8 @@ static void at91ether_sethashtable(struct net_device *dev) mc_filter[bitnr >> 5] |= 1 << (bitnr & 31); } - at91_emac_write(lp, AT91_EMAC_HSL, mc_filter[0]); - at91_emac_write(lp, AT91_EMAC_HSH, mc_filter[1]); + at91_emac_write(lp, MACB_HRB, mc_filter[0]); + at91_emac_write(lp, MACB_HRT, mc_filter[1]); } /* @@ -609,27 +612,27 @@ static void at91ether_set_multicast_list(struct net_device *dev) struct at91_private *lp = netdev_priv(dev); unsigned long cfg; - cfg = at91_emac_read(lp, AT91_EMAC_CFG); + cfg = at91_emac_read(lp, MACB_NCFGR); if (dev->flags & IFF_PROMISC) /* Enable promiscuous mode */ - cfg |= AT91_EMAC_CAF; + cfg |= MACB_BIT(CAF); else if (dev->flags & (~IFF_PROMISC)) /* Disable promiscuous mode */ - cfg &= ~AT91_EMAC_CAF; + cfg &= ~MACB_BIT(CAF); if (dev->flags & IFF_ALLMULTI) { /* Enable all multicast mode */ - at91_emac_write(lp, AT91_EMAC_HSH, -1); - at91_emac_write(lp, AT91_EMAC_HSL, -1); - cfg |= AT91_EMAC_MTI; + at91_emac_write(lp, MACB_HRT, -1); + at91_emac_write(lp, MACB_HRB, -1); + cfg |= MACB_BIT(NCFGR_MTI); } else if (!netdev_mc_empty(dev)) { /* Enable specific multicasts */ at91ether_sethashtable(dev); - cfg |= AT91_EMAC_MTI; + cfg |= MACB_BIT(NCFGR_MTI); } else if (dev->flags & (~IFF_ALLMULTI)) { /* Disable all multicast mode */ - at91_emac_write(lp, AT91_EMAC_HSH, 0); - at91_emac_write(lp, AT91_EMAC_HSL, 0); - cfg &= ~AT91_EMAC_MTI; + at91_emac_write(lp, MACB_HRT, 0); + at91_emac_write(lp, MACB_HRB, 0); + cfg &= ~MACB_BIT(NCFGR_MTI); } - at91_emac_write(lp, AT91_EMAC_CFG, cfg); + at91_emac_write(lp, MACB_NCFGR, cfg); } /* ......................... ETHTOOL SUPPORT ........................... */ @@ -762,11 +765,11 @@ static void at91ether_start(struct net_device *dev) lp->rxBuffIndex = 0; /* Program address of descriptor list in Rx Buffer Queue register */ - at91_emac_write(lp, AT91_EMAC_RBQP, (unsigned long) dlist_phys); + at91_emac_write(lp, MACB_RBQP, (unsigned long) dlist_phys); /* Enable Receive and Transmit */ - ctl = at91_emac_read(lp, AT91_EMAC_CTL); - at91_emac_write(lp, AT91_EMAC_CTL, ctl | AT91_EMAC_RE | AT91_EMAC_TE); + ctl = at91_emac_read(lp, MACB_NCR); + at91_emac_write(lp, MACB_NCR, ctl | MACB_BIT(RE) | MACB_BIT(TE)); } /* @@ -783,8 +786,8 @@ static int at91ether_open(struct net_device *dev) clk_enable(lp->ether_clk); /* Re-enable Peripheral clock */ /* Clear internal statistics */ - ctl = at91_emac_read(lp, AT91_EMAC_CTL); - at91_emac_write(lp, AT91_EMAC_CTL, ctl | AT91_EMAC_CSR); + ctl = at91_emac_read(lp, MACB_NCR); + at91_emac_write(lp, MACB_NCR, ctl | MACB_BIT(CLRSTAT)); /* Update the MAC address (incase user has changed it) */ update_mac_address(dev); @@ -793,9 +796,9 @@ static int at91ether_open(struct net_device *dev) enable_phyirq(dev); /* Enable MAC interrupts */ - at91_emac_write(lp, AT91_EMAC_IER, AT91_EMAC_RCOM | AT91_EMAC_RBNA - | AT91_EMAC_TUND | AT91_EMAC_RTRY | AT91_EMAC_TCOM - | AT91_EMAC_ROVR | AT91_EMAC_ABT); + at91_emac_write(lp, MACB_IER, MACB_BIT(RCOMP) | MACB_BIT(RXUBR) + | MACB_BIT(ISR_TUND) | MACB_BIT(ISR_RLE) | MACB_BIT(TCOMP) + | MACB_BIT(ISR_ROVR) | MACB_BIT(HRESP)); /* Determine current link speed */ spin_lock_irq(&lp->lock); @@ -818,16 +821,17 @@ static int at91ether_close(struct net_device *dev) unsigned long ctl; /* Disable Receiver and Transmitter */ - ctl = at91_emac_read(lp, AT91_EMAC_CTL); - at91_emac_write(lp, AT91_EMAC_CTL, ctl & ~(AT91_EMAC_TE | AT91_EMAC_RE)); + ctl = at91_emac_read(lp, MACB_NCR); + at91_emac_write(lp, MACB_NCR, ctl & ~(MACB_BIT(TE) | MACB_BIT(RE))); /* Disable PHY interrupt */ disable_phyirq(dev); /* Disable MAC interrupts */ - at91_emac_write(lp, AT91_EMAC_IDR, AT91_EMAC_RCOM | AT91_EMAC_RBNA - | AT91_EMAC_TUND | AT91_EMAC_RTRY | AT91_EMAC_TCOM - | AT91_EMAC_ROVR | AT91_EMAC_ABT); + at91_emac_write(lp, MACB_IDR, MACB_BIT(RCOMP) | MACB_BIT(RXUBR) + | MACB_BIT(ISR_TUND) | MACB_BIT(ISR_RLE) + | MACB_BIT(TCOMP) | MACB_BIT(ISR_ROVR) + | MACB_BIT(HRESP)); netif_stop_queue(dev); @@ -843,7 +847,7 @@ static int at91ether_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct at91_private *lp = netdev_priv(dev); - if (at91_emac_read(lp, AT91_EMAC_TSR) & AT91_EMAC_TSR_BNQ) { + if (at91_emac_read(lp, MACB_TSR) & MACB_BIT(RM9200_BNQ)) { netif_stop_queue(dev); /* Store packet information (to free when Tx completed) */ @@ -853,9 +857,9 @@ static int at91ether_start_xmit(struct sk_buff *skb, struct net_device *dev) dev->stats.tx_bytes += skb->len; /* Set address of the data in the Transmit Address register */ - at91_emac_write(lp, AT91_EMAC_TAR, lp->skb_physaddr); + at91_emac_write(lp, MACB_TAR, lp->skb_physaddr); /* Set length of the packet in the Transmit Control register */ - at91_emac_write(lp, AT91_EMAC_TCR, skb->len); + at91_emac_write(lp, MACB_TCR, skb->len); } else { printk(KERN_ERR "at91_ether.c: at91ether_start_xmit() called, but device is busy!\n"); @@ -876,28 +880,28 @@ static struct net_device_stats *at91ether_stats(struct net_device *dev) int ale, lenerr, seqe, lcol, ecol; if (netif_running(dev)) { - dev->stats.rx_packets += at91_emac_read(lp, AT91_EMAC_OK); /* Good frames received */ - ale = at91_emac_read(lp, AT91_EMAC_ALE); + dev->stats.rx_packets += at91_emac_read(lp, MACB_FRO); /* Good frames received */ + ale = at91_emac_read(lp, MACB_ALE); dev->stats.rx_frame_errors += ale; /* Alignment errors */ - lenerr = at91_emac_read(lp, AT91_EMAC_ELR) + at91_emac_read(lp, AT91_EMAC_USF); + lenerr = at91_emac_read(lp, MACB_ELE) + at91_emac_read(lp, MACB_USF); dev->stats.rx_length_errors += lenerr; /* Excessive Length or Undersize Frame error */ - seqe = at91_emac_read(lp, AT91_EMAC_SEQE); + seqe = at91_emac_read(lp, MACB_FCSE); dev->stats.rx_crc_errors += seqe; /* CRC error */ - dev->stats.rx_fifo_errors += at91_emac_read(lp, AT91_EMAC_DRFC);/* Receive buffer not available */ + dev->stats.rx_fifo_errors += at91_emac_read(lp, MACB_RRE);/* Receive buffer not available */ dev->stats.rx_errors += (ale + lenerr + seqe - + at91_emac_read(lp, AT91_EMAC_CDE) + at91_emac_read(lp, AT91_EMAC_RJB)); + + at91_emac_read(lp, MACB_RSE) + at91_emac_read(lp, MACB_RJA)); - dev->stats.tx_packets += at91_emac_read(lp, AT91_EMAC_FRA); /* Frames successfully transmitted */ - dev->stats.tx_fifo_errors += at91_emac_read(lp, AT91_EMAC_TUE); /* Transmit FIFO underruns */ - dev->stats.tx_carrier_errors += at91_emac_read(lp, AT91_EMAC_CSE); /* Carrier Sense errors */ - dev->stats.tx_heartbeat_errors += at91_emac_read(lp, AT91_EMAC_SQEE);/* Heartbeat error */ + dev->stats.tx_packets += at91_emac_read(lp, MACB_FTO); /* Frames successfully transmitted */ + dev->stats.tx_fifo_errors += at91_emac_read(lp, MACB_TUND); /* Transmit FIFO underruns */ + dev->stats.tx_carrier_errors += at91_emac_read(lp, MACB_CSE); /* Carrier Sense errors */ + dev->stats.tx_heartbeat_errors += at91_emac_read(lp, MACB_STE);/* Heartbeat error */ - lcol = at91_emac_read(lp, AT91_EMAC_LCOL); - ecol = at91_emac_read(lp, AT91_EMAC_ECOL); + lcol = at91_emac_read(lp, MACB_LCOL); + ecol = at91_emac_read(lp, MACB_EXCOL); dev->stats.tx_window_errors += lcol; /* Late collisions */ dev->stats.tx_aborted_errors += ecol; /* 16 collisions */ - dev->stats.collisions += (at91_emac_read(lp, AT91_EMAC_SCOL) + at91_emac_read(lp, AT91_EMAC_MCOL) + lcol + ecol); + dev->stats.collisions += (at91_emac_read(lp, MACB_SCF) + at91_emac_read(lp, MACB_MCF) + lcol + ecol); } return &dev->stats; } @@ -954,14 +958,14 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id) /* MAC Interrupt Status register indicates what interrupts are pending. It is automatically cleared once read. */ - intstatus = at91_emac_read(lp, AT91_EMAC_ISR); + intstatus = at91_emac_read(lp, MACB_ISR); - if (intstatus & AT91_EMAC_RCOM) /* Receive complete */ + if (intstatus & MACB_BIT(RCOMP)) /* Receive complete */ at91ether_rx(dev); - if (intstatus & AT91_EMAC_TCOM) { /* Transmit complete */ + if (intstatus & MACB_BIT(TCOMP)) { /* Transmit complete */ /* The TCOM bit is set even if the transmission failed. */ - if (intstatus & (AT91_EMAC_TUND | AT91_EMAC_RTRY)) + if (intstatus & (MACB_BIT(ISR_TUND) | MACB_BIT(ISR_RLE))) dev->stats.tx_errors += 1; if (lp->skb) { @@ -973,13 +977,13 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id) } /* Work-around for Errata #11 */ - if (intstatus & AT91_EMAC_RBNA) { - ctl = at91_emac_read(lp, AT91_EMAC_CTL); - at91_emac_write(lp, AT91_EMAC_CTL, ctl & ~AT91_EMAC_RE); - at91_emac_write(lp, AT91_EMAC_CTL, ctl | AT91_EMAC_RE); + if (intstatus & MACB_BIT(RXUBR)) { + ctl = at91_emac_read(lp, MACB_NCR); + at91_emac_write(lp, MACB_NCR, ctl & ~MACB_BIT(RE)); + at91_emac_write(lp, MACB_NCR, ctl | MACB_BIT(RE)); } - if (intstatus & AT91_EMAC_ROVR) + if (intstatus & MACB_BIT(ISR_ROVR)) printk("%s: ROVR error\n", dev->name); return IRQ_HANDLED; @@ -1114,12 +1118,12 @@ static int __init at91ether_probe(struct platform_device *pdev) get_mac_address(dev); /* Get ethernet address and store it in dev->dev_addr */ update_mac_address(dev); /* Program ethernet address into MAC */ - at91_emac_write(lp, AT91_EMAC_CTL, 0); + at91_emac_write(lp, MACB_NCR, 0); if (board_data->is_rmii) - at91_emac_write(lp, AT91_EMAC_CFG, AT91_EMAC_CLK_DIV32 | AT91_EMAC_BIG | AT91_EMAC_RMII); + at91_emac_write(lp, MACB_NCFGR, MACB_BF(CLK, MACB_CLK_DIV32) | MACB_BIT(BIG) | MACB_BIT(RM9200_RMII)); else - at91_emac_write(lp, AT91_EMAC_CFG, AT91_EMAC_CLK_DIV32 | AT91_EMAC_BIG); + at91_emac_write(lp, MACB_NCFGR, MACB_BF(CLK, MACB_CLK_DIV32) | MACB_BIT(BIG)); /* Detect PHY */ if (!at91ether_phy_detect(lp)) { @@ -1163,8 +1167,8 @@ static int __init at91ether_probe(struct platform_device *pdev) /* Display ethernet banner */ printk(KERN_INFO "%s: AT91 ethernet at 0x%08x int=%d %s%s (%pM)\n", dev->name, (uint) dev->base_addr, dev->irq, - at91_emac_read(lp, AT91_EMAC_CFG) & AT91_EMAC_SPD ? "100-" : "10-", - at91_emac_read(lp, AT91_EMAC_CFG) & AT91_EMAC_FD ? "FullDuplex" : "HalfDuplex", + at91_emac_read(lp, MACB_NCFGR) & MACB_BIT(SPD) ? "100-" : "10-", + at91_emac_read(lp, MACB_NCFGR) & MACB_BIT(FD) ? "FullDuplex" : "HalfDuplex", dev->dev_addr); if ((lp->phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) printk(KERN_INFO "%s: Davicom 9161 PHY %s\n", dev->name, (lp->phy_media == PORT_FIBRE) ? "(Fiber)" : "(Copper)"); |