/*
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drivers/net/tulip/pnic.c
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Maintained by Jeff Garzik <jgarzik@mandrakesoft.com>
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Copyright 2000,2001 The Linux Kernel Team
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Written/copyright 1994-2001 by Donald Becker.
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This software may be used and distributed according to the terms
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of the GNU General Public License, incorporated herein by reference.
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Please refer to Documentation/DocBook/tulip.{pdf,ps,html}
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for more information on this driver, or visit the project
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Web page at http://sourceforge.net/projects/tulip/
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*/
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/* Ported to RTnet by Wittawat Yamwong <wittawat@web.de> */
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#include <linux/kernel.h>
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#include "tulip.h"
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void pnic_do_nway(/*RTnet*/struct rtnet_device *rtdev)
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{
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struct tulip_private *tp = (struct tulip_private *)rtdev->priv;
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long ioaddr = rtdev->base_addr;
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u32 phy_reg = inl(ioaddr + 0xB8);
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u32 new_csr6 = tp->csr6 & ~0x40C40200;
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if (phy_reg & 0x78000000) { /* Ignore baseT4 */
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if (phy_reg & 0x20000000) rtdev->if_port = 5;
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else if (phy_reg & 0x40000000) rtdev->if_port = 3;
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else if (phy_reg & 0x10000000) rtdev->if_port = 4;
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else if (phy_reg & 0x08000000) rtdev->if_port = 0;
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tp->nwayset = 1;
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new_csr6 = (rtdev->if_port & 1) ? 0x01860000 : 0x00420000;
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outl(0x32 | (rtdev->if_port & 1), ioaddr + CSR12);
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if (rtdev->if_port & 1)
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outl(0x1F868, ioaddr + 0xB8);
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if (phy_reg & 0x30000000) {
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tp->full_duplex = 1;
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new_csr6 |= 0x00000200;
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}
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if (tulip_debug > 1)
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/*RTnet*/printk(KERN_DEBUG "%s: PNIC autonegotiated status %8.8x, %s.\n",
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rtdev->name, phy_reg, medianame[rtdev->if_port]);
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if (tp->csr6 != new_csr6) {
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tp->csr6 = new_csr6;
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/* Restart Tx */
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tulip_restart_rxtx(tp);
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}
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}
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}
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