139 lines
3.1 KiB
C
139 lines
3.1 KiB
C
/*
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* Driver for SysKonnect Gigabit Ethernet Server Adapters.
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*
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* (C) Copyright 2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <netdev.h>
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#include "h/skdrv1st.h"
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#include "h/skdrv2nd.h"
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#include "u-boot_compat.h"
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#define SKGE_MAX_CARDS 2
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extern int skge_probe(struct eth_device **);
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extern void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs);
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extern void SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs);
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extern int SkGeOpen(struct eth_device *);
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extern int SkGeClose(struct eth_device *);
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extern int SkGeXmit(struct sk_buff *skb, struct eth_device *dev);
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extern void ReceiveIrq(SK_AC *pAC, RX_PORT *pRxPort, SK_BOOL SlowPathLock);
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static int skge_init(struct eth_device *dev, bd_t * bis);
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static int skge_send(struct eth_device *dev, volatile void *packet, int length);
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static int skge_recv(struct eth_device *dev);
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static void skge_halt(struct eth_device *dev);
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int skge_initialize(bd_t * bis)
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{
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int numdev, i;
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struct eth_device *dev[SKGE_MAX_CARDS];
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numdev = skge_probe(&dev[0]);
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if (numdev > SKGE_MAX_CARDS)
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{
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printf("ERROR: numdev > SKGE_MAX_CARDS\n");
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}
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for (i = 0; i < numdev; i++)
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{
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sprintf (dev[i]->name, "SK98#%d", i);
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dev[i]->init = skge_init;
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dev[i]->halt = skge_halt;
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dev[i]->send = skge_send;
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dev[i]->recv = skge_recv;
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eth_register(dev[i]);
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}
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return ((numdev > 0) && (numdev <= SKGE_MAX_CARDS) ? 0 : -1);
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}
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static int skge_init(struct eth_device *dev, bd_t * bis)
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{
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int ret;
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SK_AC * pAC = ((DEV_NET*)dev->priv)->pAC;
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int i;
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ret = SkGeOpen(dev);
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while (pAC->Rlmt.Port[0].PortState != SK_RLMT_PS_GOING_UP)
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{
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SkGeIsrOnePort (0, pAC->dev[0], 0);
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}
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for (i = 0; i < 100; i ++)
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{
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udelay(1000);
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}
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return ret;
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}
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static void skge_halt(struct eth_device *dev)
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{
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SkGeClose(dev);
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}
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static int skge_send(struct eth_device *dev, volatile void *packet,
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int length)
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{
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int ret = -1;
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struct sk_buff * skb = alloc_skb(length, 0);
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if (! skb)
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{
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printf("skge_send: failed to alloc skb\n");
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goto Done;
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}
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memcpy(skb->data, (void*)packet, length);
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ret = SkGeXmit(skb, dev);
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Done:
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return ret;
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}
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static int skge_recv(struct eth_device *dev)
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{
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DEV_NET *pNet;
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SK_AC *pAC;
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int FromPort = 0;
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pNet = (DEV_NET*) dev->priv;
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pAC = pNet->pAC;
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ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE);
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return 0;
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}
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