Added missing tegra files.HEADmaster

1 files changed, 179 insertions, 0 deletions

diff --git a/drivers/net/tulip/timer.c b/drivers/net/tulip/timer.c
new file mode 100644
index 00000000000..2017faf2d0e
--- /dev/null
+++ b/drivers/net/tulip/timer.c
@@ -0,0 +1,179 @@
+/*
+        drivers/net/tulip/timer.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 "tulip.h"
+
+
+void tulip_media_task(struct work_struct *work)
+{
+        struct tulip_private *tp =
+                container_of(work, struct tulip_private, media_work);
+        struct net_device *dev = tp->dev;
+        void __iomem *ioaddr = tp->base_addr;
+        u32 csr12 = ioread32(ioaddr + CSR12);
+        int next_tick = 2*HZ;
+        unsigned long flags;
+
+        if (tulip_debug > 2) {
+                netdev_dbg(dev, "Media selection tick, %s, status %08x mode %08x SIA %08x %08x %08x %08x\n",
+                           medianame[dev->if_port],
+                           ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR6),
+                           csr12, ioread32(ioaddr + CSR13),
+                           ioread32(ioaddr + CSR14), ioread32(ioaddr + CSR15));
+        }
+        switch (tp->chip_id) {
+        case DC21140:
+        case DC21142:
+        case MX98713:
+        case COMPEX9881:
+        case DM910X:
+        default: {
+                struct medialeaf *mleaf;
+                unsigned char *p;
+                if (tp->mtable == NULL) {       /* No EEPROM info, use generic code. */
+                        /* Not much that can be done.
+                           Assume this a generic MII or SYM transceiver. */
+                        next_tick = 60*HZ;
+                        if (tulip_debug > 2)
+                                netdev_dbg(dev, "network media monitor CSR6 %08x CSR12 0x%02x\n",
+                                           ioread32(ioaddr + CSR6),
+                                           csr12 & 0xff);
+                        break;
+                }
+                mleaf = &tp->mtable->mleaf[tp->cur_index];
+                p = mleaf->leafdata;
+                switch (mleaf->type) {
+                case 0: case 4: {
+                        /* Type 0 serial or 4 SYM transceiver.  Check the link beat bit. */
+                        int offset = mleaf->type == 4 ? 5 : 2;
+                        s8 bitnum = p[offset];
+                        if (p[offset+1] & 0x80) {
+                                if (tulip_debug > 1)
+                                        netdev_dbg(dev, "Transceiver monitor tick CSR12=%#02x, no media sense\n",
+                                                   csr12);
+                                if (mleaf->type == 4) {
+                                        if (mleaf->media == 3 && (csr12 & 0x02))
+                                                goto select_next_media;
+                                }
+                                break;
+                        }
+                        if (tulip_debug > 2)
+                                netdev_dbg(dev, "Transceiver monitor tick: CSR12=%#02x bit %d is %d, expecting %d\n",
+                                           csr12, (bitnum >> 1) & 7,
+                                           (csr12 & (1 << ((bitnum >> 1) & 7))) != 0,
+                                           (bitnum >= 0));
+                        /* Check that the specified bit has the proper value. */
+                        if ((bitnum < 0) !=
+                                ((csr12 & (1 << ((bitnum >> 1) & 7))) != 0)) {
+                                if (tulip_debug > 2)
+                                        netdev_dbg(dev, "Link beat detected for %s\n",
+                                                   medianame[mleaf->media & MEDIA_MASK]);
+                                if ((p[2] & 0x61) == 0x01)      /* Bogus Znyx board. */
+                                        goto actually_mii;
+                                netif_carrier_on(dev);
+                                break;
+                        }
+                        netif_carrier_off(dev);
+                        if (tp->medialock)
+                                break;
+          select_next_media:
+                        if (--tp->cur_index < 0) {
+                                /* We start again, but should instead look for default. */
+                                tp->cur_index = tp->mtable->leafcount - 1;
+                        }
+                        dev->if_port = tp->mtable->mleaf[tp->cur_index].media;
+                        if (tulip_media_cap[dev->if_port] & MediaIsFD)
+                                goto select_next_media; /* Skip FD entries. */
+                        if (tulip_debug > 1)
+                                netdev_dbg(dev, "No link beat on media %s, trying transceiver type %s\n",
+                                           medianame[mleaf->media & MEDIA_MASK],
+                                           medianame[tp->mtable->mleaf[tp->cur_index].media]);
+                        tulip_select_media(dev, 0);
+                        /* Restart the transmit process. */
+                        tulip_restart_rxtx(tp);
+                        next_tick = (24*HZ)/10;
+                        break;
+                }
+                case 1:  case 3:                /* 21140, 21142 MII */
+                actually_mii:
+                        if (tulip_check_duplex(dev) < 0) {
+                                netif_carrier_off(dev);
+                                next_tick = 3*HZ;
+                        } else {
+                                netif_carrier_on(dev);
+                                next_tick = 60*HZ;
+                        }
+                        break;
+                case 2:                                 /* 21142 serial block has no link beat. */
+                default:
+                        break;
+                }
+        }
+        break;
+        }
+
+
+        spin_lock_irqsave(&tp->lock, flags);
+        if (tp->timeout_recovery) {
+                tulip_tx_timeout_complete(tp, ioaddr);
+                tp->timeout_recovery = 0;
+        }
+        spin_unlock_irqrestore(&tp->lock, flags);
+
+        /* mod_timer synchronizes us with potential add_timer calls
+         * from interrupts.
+         */
+        mod_timer(&tp->timer, RUN_AT(next_tick));
+}
+
+
+void mxic_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 (tulip_debug > 3) {
+                dev_info(&dev->dev, "MXIC negotiation status %08x\n",
+                         ioread32(ioaddr + CSR12));
+        }
+        if (next_tick) {
+                mod_timer(&tp->timer, RUN_AT(next_tick));
+        }
+}
+
+
+void comet_timer(unsigned long data)
+{
+        struct net_device *dev = (struct net_device *)data;
+        struct tulip_private *tp = netdev_priv(dev);
+        int next_tick = 60*HZ;
+
+        if (tulip_debug > 1)
+                netdev_dbg(dev, "Comet link status %04x partner capability %04x\n",
+                           tulip_mdio_read(dev, tp->phys[0], 1),
+                           tulip_mdio_read(dev, tp->phys[0], 5));
+        /* mod_timer synchronizes us with potential add_timer calls
+         * from interrupts.
+         */
+        if (tulip_check_duplex(dev) < 0)
+                { netif_carrier_off(dev); }
+        else
+                { netif_carrier_on(dev); }
+        mod_timer(&tp->timer, RUN_AT(next_tick));
+}
+