diff options
Diffstat (limited to 'drivers/net/ethernet/sgi/ioc3-eth.c')
| -rw-r--r-- | drivers/net/ethernet/sgi/ioc3-eth.c | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index 29b9e5098052..d32d245dcf18 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -105,6 +105,7 @@ static void ioc3_set_multicast_list(struct net_device *dev); static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev); static void ioc3_timeout(struct net_device *dev); static inline unsigned int ioc3_hash(const unsigned char *addr); +static void ioc3_start(struct ioc3_private *ip); static inline void ioc3_stop(struct ioc3_private *ip); static void ioc3_init(struct net_device *dev); @@ -660,6 +661,7 @@ static void ioc3_error(struct net_device *dev, u32 eisr) ioc3_stop(ip); ioc3_init(dev); + ioc3_start(ip); ioc3_mii_init(ip); netif_wake_queue(dev); @@ -827,31 +829,11 @@ static void ioc3_alloc_rx_bufs(struct net_device *dev) static void ioc3_init_rings(struct net_device *dev) { struct ioc3_private *ip = netdev_priv(dev); - struct ioc3_ethregs *regs = ip->regs; - unsigned long ring; ioc3_free_rx_bufs(ip); ioc3_alloc_rx_bufs(dev); ioc3_clean_tx_ring(ip); - - /* Now the rx ring base, consume & produce registers. */ - ring = ioc3_map(ip->rxr, 0); - writel(ring >> 32, ®s->erbr_h); - writel(ring & 0xffffffff, ®s->erbr_l); - writel(ip->rx_ci << 3, ®s->ercir); - writel((ip->rx_pi << 3) | ERPIR_ARM, ®s->erpir); - - ring = ioc3_map(ip->txr, 0); - - ip->txqlen = 0; /* nothing queued */ - - /* Now the tx ring base, consume & produce registers. */ - writel(ring >> 32, ®s->etbr_h); - writel(ring & 0xffffffff, ®s->etbr_l); - writel(ip->tx_pi << 7, ®s->etpir); - writel(ip->tx_ci << 7, ®s->etcir); - readl(®s->etcir); /* Flush */ } static inline void ioc3_ssram_disc(struct ioc3_private *ip) @@ -908,6 +890,30 @@ static void ioc3_init(struct net_device *dev) writel(42, ®s->ersr); /* XXX should be random */ ioc3_init_rings(dev); +} + +static void ioc3_start(struct ioc3_private *ip) +{ + struct ioc3_ethregs *regs = ip->regs; + unsigned long ring; + + /* Now the rx ring base, consume & produce registers. */ + ring = ioc3_map(ip->rxr, 0); + writel(ring >> 32, ®s->erbr_h); + writel(ring & 0xffffffff, ®s->erbr_l); + writel(ip->rx_ci << 3, ®s->ercir); + writel((ip->rx_pi << 3) | ERPIR_ARM, ®s->erpir); + + ring = ioc3_map(ip->txr, 0); + + ip->txqlen = 0; /* nothing queued */ + + /* Now the tx ring base, consume & produce registers. */ + writel(ring >> 32, ®s->etbr_h); + writel(ring & 0xffffffff, ®s->etbr_l); + writel(ip->tx_pi << 7, ®s->etpir); + writel(ip->tx_ci << 7, ®s->etcir); + readl(®s->etcir); /* Flush */ ip->emcr |= ((RX_OFFSET / 2) << EMCR_RXOFF_SHIFT) | EMCR_TXDMAEN | EMCR_TXEN | EMCR_RXDMAEN | EMCR_RXEN | EMCR_PADEN; @@ -940,6 +946,7 @@ static int ioc3_open(struct net_device *dev) ip->ehar_h = 0; ip->ehar_l = 0; ioc3_init(dev); + ioc3_start(ip); ioc3_mii_start(ip); netif_start_queue(dev); @@ -1208,6 +1215,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } ioc3_init(dev); + ioc3_start(ip); ip->pdev = pdev; @@ -1430,6 +1438,7 @@ static void ioc3_timeout(struct net_device *dev) ioc3_stop(ip); ioc3_init(dev); + ioc3_start(ip); ioc3_mii_init(ip); ioc3_mii_start(ip); |