diff options
Diffstat (limited to 'drivers/net/tulip/21142.c')
| -rw-r--r-- | drivers/net/tulip/21142.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/drivers/net/tulip/21142.c b/drivers/net/tulip/21142.c deleted file mode 100644 index 6c400ccd38b..00000000000 --- a/drivers/net/tulip/21142.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - drivers/net/tulip/21142.c - - Maintained by Valerie Henson <val_henson@linux.intel.com> - 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, or visit the project - Web page at http://sourceforge.net/projects/tulip/ - -*/ - -#include <linux/delay.h> -#include "tulip.h" - - -static u16 t21142_csr13[] = { 0x0001, 0x0009, 0x0009, 0x0000, 0x0001, }; -u16 t21142_csr14[] = { 0xFFFF, 0x0705, 0x0705, 0x0000, 0x7F3D, }; -static u16 t21142_csr15[] = { 0x0008, 0x0006, 0x000E, 0x0008, 0x0008, }; - - -/* Handle the 21143 uniquely: do autoselect with NWay, not the EEPROM list - of available transceivers. */ -void t21142_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; - int csr12 = ioread32(ioaddr + CSR12); - int next_tick = 60*HZ; - int new_csr6 = 0; - - if (tulip_debug > 2) - printk(KERN_INFO"%s: 21143 negotiation status %8.8x, %s.\n", - dev->name, csr12, medianame[dev->if_port]); - if (tulip_media_cap[dev->if_port] & MediaIsMII) { - if (tulip_check_duplex(dev) < 0) { - netif_carrier_off(dev); - next_tick = 3*HZ; - } else { - netif_carrier_on(dev); - next_tick = 60*HZ; - } - } else if (tp->nwayset) { - /* Don't screw up a negotiated session! */ - if (tulip_debug > 1) - printk(KERN_INFO"%s: Using NWay-set %s media, csr12 %8.8x.\n", - dev->name, medianame[dev->if_port], csr12); - } else if (tp->medialock) { - ; - } else if (dev->if_port == 3) { - if (csr12 & 2) { /* No 100mbps link beat, revert to 10mbps. */ - if (tulip_debug > 1) - printk(KERN_INFO"%s: No 21143 100baseTx link beat, %8.8x, " - "trying NWay.\n", dev->name, csr12); - t21142_start_nway(dev); - next_tick = 3*HZ; - } - } else if ((csr12 & 0x7000) != 0x5000) { - /* Negotiation failed. Search media types. */ - if (tulip_debug > 1) - printk(KERN_INFO"%s: 21143 negotiation failed, status %8.8x.\n", - dev->name, csr12); - if (!(csr12 & 4)) { /* 10mbps link beat good. */ - new_csr6 = 0x82420000; - dev->if_port = 0; - iowrite32(0, ioaddr + CSR13); - iowrite32(0x0003FFFF, ioaddr + CSR14); - iowrite16(t21142_csr15[dev->if_port], ioaddr + CSR15); - iowrite32(t21142_csr13[dev->if_port], ioaddr + CSR13); - } else { - /* Select 100mbps port to check for link beat. */ - new_csr6 = 0x83860000; - dev->if_port = 3; - iowrite32(0, ioaddr + CSR13); - iowrite32(0x0003FF7F, ioaddr + CSR14); - iowrite16(8, ioaddr + CSR15); - iowrite32(1, ioaddr + CSR13); - } - if (tulip_debug > 1) - printk(KERN_INFO"%s: Testing new 21143 media %s.\n", - dev->name, medianame[dev->if_port]); - if (new_csr6 != (tp->csr6 & ~0x00D5)) { - tp->csr6 &= 0x00D5; - tp->csr6 |= new_csr6; - iowrite32(0x0301, ioaddr + CSR12); - tulip_restart_rxtx(tp); - } - next_tick = 3*HZ; - } - - /* mod_timer synchronizes us with potential add_timer calls - * from interrupts. - */ - mod_timer(&tp->timer, RUN_AT(next_tick)); -} - - -void t21142_start_nway(struct net_device *dev) -{ - struct tulip_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->base_addr; - int csr14 = ((tp->sym_advertise & 0x0780) << 9) | - ((tp->sym_advertise & 0x0020) << 1) | 0xffbf; - - dev->if_port = 0; - tp->nway = tp->mediasense = 1; - tp->nwayset = tp->lpar = 0; - if (tulip_debug > 1) - printk(KERN_DEBUG "%s: Restarting 21143 autonegotiation, csr14=%8.8x.\n", - dev->name, csr14); - iowrite32(0x0001, ioaddr + CSR13); - udelay(100); - iowrite32(csr14, ioaddr + CSR14); - tp->csr6 = 0x82420000 | (tp->sym_advertise & 0x0040 ? FullDuplex : 0); - iowrite32(tp->csr6, ioaddr + CSR6); - if (tp->mtable && tp->mtable->csr15dir) { - iowrite32(tp->mtable->csr15dir, ioaddr + CSR15); - iowrite32(tp->mtable->csr15val, ioaddr + CSR15); - } else - iowrite16(0x0008, ioaddr + CSR15); - iowrite32(0x1301, ioaddr + CSR12); /* Trigger NWAY. */ -} - - - -void t21142_lnk_change(struct net_device *dev, int csr5) -{ - struct tulip_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->base_addr; - int csr12 = ioread32(ioaddr + CSR12); - - if (tulip_debug > 1) - printk(KERN_INFO"%s: 21143 link status interrupt %8.8x, CSR5 %x, " - "%8.8x.\n", dev->name, csr12, csr5, ioread32(ioaddr + CSR14)); - - /* If NWay finished and we have a negotiated partner capability. */ - if (tp->nway && !tp->nwayset && (csr12 & 0x7000) == 0x5000) { - int setup_done = 0; - int negotiated = tp->sym_advertise & (csr12 >> 16); - tp->lpar = csr12 >> 16; - tp->nwayset = 1; - if (negotiated & 0x0100) dev->if_port = 5; - else if (negotiated & 0x0080) dev->if_port = 3; - else if (negotiated & 0x0040) dev->if_port = 4; - else if (negotiated & 0x0020) dev->if_port = 0; - else { - tp->nwayset = 0; - if ((csr12 & 2) == 0 && (tp->sym_advertise & 0x0180)) - dev->if_port = 3; - } - tp->full_duplex = (tulip_media_cap[dev->if_port] & MediaAlwaysFD) ? 1:0; - - if (tulip_debug > 1) { - if (tp->nwayset) - printk(KERN_INFO "%s: Switching to %s based on link " - "negotiation %4.4x & %4.4x = %4.4x.\n", - dev->name, medianame[dev->if_port], tp->sym_advertise, - tp->lpar, negotiated); - else - printk(KERN_INFO "%s: Autonegotiation failed, using %s," - " link beat status %4.4x.\n", - dev->name, medianame[dev->if_port], csr12); - } - - if (tp->mtable) { - int i; - for (i = 0; i < tp->mtable->leafcount; i++) - if (tp->mtable->mleaf[i].media == dev->if_port) { - int startup = ! ((tp->chip_id == DC21143 && (tp->revision == 48 || tp->revision == 65))); - tp->cur_index = i; - tulip_select_media(dev, startup); - setup_done = 1; - break; - } - } - if ( ! setup_done) { - tp->csr6 = (dev->if_port & 1 ? 0x838E0000 : 0x82420000) | (tp->csr6 & 0x20ff); - if (tp->full_duplex) - tp->csr6 |= 0x0200; - iowrite32(1, ioaddr + CSR13); - } -#if 0 /* Restart shouldn't be needed. */ - iowrite32(tp->csr6 | RxOn, ioaddr + CSR6); - if (tulip_debug > 2) - printk(KERN_DEBUG "%s: Restarting Tx and Rx, CSR5 is %8.8x.\n", - dev->name, ioread32(ioaddr + CSR5)); -#endif - tulip_start_rxtx(tp); - if (tulip_debug > 2) - printk(KERN_DEBUG "%s: Setting CSR6 %8.8x/%x CSR12 %8.8x.\n", - dev->name, tp->csr6, ioread32(ioaddr + CSR6), - ioread32(ioaddr + CSR12)); - } else if ((tp->nwayset && (csr5 & 0x08000000) - && (dev->if_port == 3 || dev->if_port == 5) - && (csr12 & 2) == 2) || - (tp->nway && (csr5 & (TPLnkFail)))) { - /* Link blew? Maybe restart NWay. */ - del_timer_sync(&tp->timer); - t21142_start_nway(dev); - tp->timer.expires = RUN_AT(3*HZ); - add_timer(&tp->timer); - } else if (dev->if_port == 3 || dev->if_port == 5) { - if (tulip_debug > 1) - printk(KERN_INFO"%s: 21143 %s link beat %s.\n", - dev->name, medianame[dev->if_port], - (csr12 & 2) ? "failed" : "good"); - if ((csr12 & 2) && ! tp->medialock) { - del_timer_sync(&tp->timer); - t21142_start_nway(dev); - tp->timer.expires = RUN_AT(3*HZ); - add_timer(&tp->timer); - } else if (dev->if_port == 5) - iowrite32(ioread32(ioaddr + CSR14) & ~0x080, ioaddr + CSR14); - } else if (dev->if_port == 0 || dev->if_port == 4) { - if ((csr12 & 4) == 0) - printk(KERN_INFO"%s: 21143 10baseT link beat good.\n", - dev->name); - } else if (!(csr12 & 4)) { /* 10mbps link beat good. */ - if (tulip_debug) - printk(KERN_INFO"%s: 21143 10mbps sensed media.\n", - dev->name); - dev->if_port = 0; - } else if (tp->nwayset) { - if (tulip_debug) - printk(KERN_INFO"%s: 21143 using NWay-set %s, csr6 %8.8x.\n", - dev->name, medianame[dev->if_port], tp->csr6); - } else { /* 100mbps link beat good. */ - if (tulip_debug) - printk(KERN_INFO"%s: 21143 100baseTx sensed media.\n", - dev->name); - dev->if_port = 3; - tp->csr6 = 0x838E0000 | (tp->csr6 & 0x20ff); - iowrite32(0x0003FF7F, ioaddr + CSR14); - iowrite32(0x0301, ioaddr + CSR12); - tulip_restart_rxtx(tp); - } -} - - |
