diff options
Diffstat (limited to 'drivers/net/tulip/pnic.c')
| -rw-r--r-- | drivers/net/tulip/pnic.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/drivers/net/tulip/pnic.c b/drivers/net/tulip/pnic.c deleted file mode 100644 index 52d898bdbeb4..000000000000 --- a/drivers/net/tulip/pnic.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - drivers/net/tulip/pnic.c - - Copyright 2000,2001 The Linux Kernel Team - Written/copyright 1994-2001 by Donald Becker. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html} - for more information on this driver. - - Please submit bugs to http://bugzilla.kernel.org/ . -*/ - -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/jiffies.h> -#include "tulip.h" - - -void pnic_do_nway(struct net_device *dev) -{ - struct tulip_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->base_addr; - u32 phy_reg = ioread32(ioaddr + 0xB8); - u32 new_csr6 = tp->csr6 & ~0x40C40200; - - if (phy_reg & 0x78000000) { /* Ignore baseT4 */ - if (phy_reg & 0x20000000) dev->if_port = 5; - else if (phy_reg & 0x40000000) dev->if_port = 3; - else if (phy_reg & 0x10000000) dev->if_port = 4; - else if (phy_reg & 0x08000000) dev->if_port = 0; - tp->nwayset = 1; - new_csr6 = (dev->if_port & 1) ? 0x01860000 : 0x00420000; - iowrite32(0x32 | (dev->if_port & 1), ioaddr + CSR12); - if (dev->if_port & 1) - iowrite32(0x1F868, ioaddr + 0xB8); - if (phy_reg & 0x30000000) { - tp->full_duplex = 1; - new_csr6 |= 0x00000200; - } - if (tulip_debug > 1) - netdev_dbg(dev, "PNIC autonegotiated status %08x, %s\n", - phy_reg, medianame[dev->if_port]); - if (tp->csr6 != new_csr6) { - tp->csr6 = new_csr6; - /* Restart Tx */ - tulip_restart_rxtx(tp); - dev->trans_start = jiffies; - } - } -} - -void pnic_lnk_change(struct net_device *dev, int csr5) -{ - struct tulip_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->base_addr; - int phy_reg = ioread32(ioaddr + 0xB8); - - if (tulip_debug > 1) - netdev_dbg(dev, "PNIC link changed state %08x, CSR5 %08x\n", - phy_reg, csr5); - if (ioread32(ioaddr + CSR5) & TPLnkFail) { - iowrite32((ioread32(ioaddr + CSR7) & ~TPLnkFail) | TPLnkPass, ioaddr + CSR7); - /* If we use an external MII, then we mustn't use the - * internal negotiation. - */ - if (tulip_media_cap[dev->if_port] & MediaIsMII) - return; - if (! tp->nwayset || time_after(jiffies, dev_trans_start(dev) + 1*HZ)) { - tp->csr6 = 0x00420000 | (tp->csr6 & 0x0000fdff); - iowrite32(tp->csr6, ioaddr + CSR6); - iowrite32(0x30, ioaddr + CSR12); - iowrite32(0x0201F078, ioaddr + 0xB8); /* Turn on autonegotiation. */ - dev->trans_start = jiffies; - } - } else if (ioread32(ioaddr + CSR5) & TPLnkPass) { - if (tulip_media_cap[dev->if_port] & MediaIsMII) { - spin_lock(&tp->lock); - tulip_check_duplex(dev); - spin_unlock(&tp->lock); - } else { - pnic_do_nway(dev); - } - iowrite32((ioread32(ioaddr + CSR7) & ~TPLnkPass) | TPLnkFail, ioaddr + CSR7); - } -} - -void pnic_timer(unsigned long data) -{ - struct net_device *dev = (struct net_device *)data; - struct tulip_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->base_addr; - int next_tick = 60*HZ; - - if(!ioread32(ioaddr + CSR7)) { - /* the timer was called due to a work overflow - * in the interrupt handler. Skip the connection - * checks, the nic is definitively speaking with - * his link partner. - */ - goto too_good_connection; - } - - if (tulip_media_cap[dev->if_port] & MediaIsMII) { - spin_lock_irq(&tp->lock); - if (tulip_check_duplex(dev) > 0) - next_tick = 3*HZ; - spin_unlock_irq(&tp->lock); - } else { - int csr12 = ioread32(ioaddr + CSR12); - int new_csr6 = tp->csr6 & ~0x40C40200; - int phy_reg = ioread32(ioaddr + 0xB8); - int csr5 = ioread32(ioaddr + CSR5); - - if (tulip_debug > 1) - netdev_dbg(dev, "PNIC timer PHY status %08x, %s CSR5 %08x\n", - phy_reg, medianame[dev->if_port], csr5); - if (phy_reg & 0x04000000) { /* Remote link fault */ - iowrite32(0x0201F078, ioaddr + 0xB8); - next_tick = 1*HZ; - tp->nwayset = 0; - } else if (phy_reg & 0x78000000) { /* Ignore baseT4 */ - pnic_do_nway(dev); - next_tick = 60*HZ; - } else if (csr5 & TPLnkFail) { /* 100baseTx link beat */ - if (tulip_debug > 1) - netdev_dbg(dev, "%s link beat failed, CSR12 %04x, CSR5 %08x, PHY %03x\n", - medianame[dev->if_port], - csr12, - ioread32(ioaddr + CSR5), - ioread32(ioaddr + 0xB8)); - next_tick = 3*HZ; - if (tp->medialock) { - } else if (tp->nwayset && (dev->if_port & 1)) { - next_tick = 1*HZ; - } else if (dev->if_port == 0) { - dev->if_port = 3; - iowrite32(0x33, ioaddr + CSR12); - new_csr6 = 0x01860000; - iowrite32(0x1F868, ioaddr + 0xB8); - } else { - dev->if_port = 0; - iowrite32(0x32, ioaddr + CSR12); - new_csr6 = 0x00420000; - iowrite32(0x1F078, ioaddr + 0xB8); - } - if (tp->csr6 != new_csr6) { - tp->csr6 = new_csr6; - /* Restart Tx */ - tulip_restart_rxtx(tp); - dev->trans_start = jiffies; - if (tulip_debug > 1) - dev_info(&dev->dev, - "Changing PNIC configuration to %s %s-duplex, CSR6 %08x\n", - medianame[dev->if_port], - tp->full_duplex ? "full" : "half", - new_csr6); - } - } - } -too_good_connection: - mod_timer(&tp->timer, RUN_AT(next_tick)); - if(!ioread32(ioaddr + CSR7)) { - if (tulip_debug > 1) - dev_info(&dev->dev, "sw timer wakeup\n"); - disable_irq(dev->irq); - tulip_refill_rx(dev); - enable_irq(dev->irq); - iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR7); - } -} |