diff options
Diffstat (limited to 'drivers/net/sk98lin/uboot_drv.c')
| -rw-r--r-- | drivers/net/sk98lin/uboot_drv.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/net/sk98lin/uboot_drv.c b/drivers/net/sk98lin/uboot_drv.c new file mode 100644 index 000000000..d02cd1be2 --- /dev/null +++ b/drivers/net/sk98lin/uboot_drv.c @@ -0,0 +1,143 @@ +/* + * Driver for SysKonnect Gigabit Ethernet Server Adapters. + * + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ + defined(CONFIG_SK98) + +#include "h/skdrv1st.h" +#include "h/skdrv2nd.h" +#include "u-boot_compat.h" + + +#define SKGE_MAX_CARDS 2 + + +extern int skge_probe(struct eth_device **); +extern void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs); +extern void SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs); +extern int SkGeOpen(struct eth_device *); +extern int SkGeClose(struct eth_device *); +extern int SkGeXmit(struct sk_buff *skb, struct eth_device *dev); +extern void ReceiveIrq(SK_AC *pAC, RX_PORT *pRxPort, SK_BOOL SlowPathLock); + +static int skge_init(struct eth_device *dev, bd_t * bis); +static int skge_send(struct eth_device *dev, volatile void *packet, int length); +static int skge_recv(struct eth_device *dev); +static void skge_halt(struct eth_device *dev); + +int skge_initialize(bd_t * bis) +{ + int numdev, i; + struct eth_device *dev[SKGE_MAX_CARDS]; + + numdev = skge_probe(&dev[0]); + + if (numdev > SKGE_MAX_CARDS) + { + printf("ERROR: numdev > SKGE_MAX_CARDS\n"); + } + + for (i = 0; i < numdev; i++) + { + sprintf (dev[i]->name, "SK98#%d", i); + + dev[i]->init = skge_init; + dev[i]->halt = skge_halt; + dev[i]->send = skge_send; + dev[i]->recv = skge_recv; + + eth_register(dev[i]); + } + + return numdev; +} + + +static int skge_init(struct eth_device *dev, bd_t * bis) +{ + int ret; + SK_AC * pAC = ((DEV_NET*)dev->priv)->pAC; + int i; + + ret = SkGeOpen(dev); + + while (pAC->Rlmt.Port[0].PortState != SK_RLMT_PS_GOING_UP) + { + SkGeIsrOnePort (0, pAC->dev[0], 0); + } + + for (i = 0; i < 100; i ++) + { + udelay(1000); + } + + return ret; +} + + +static void skge_halt(struct eth_device *dev) +{ + SkGeClose(dev); +} + + +static int skge_send(struct eth_device *dev, volatile void *packet, + int length) +{ + int ret = -1; + struct sk_buff * skb = alloc_skb(length, 0); + + if (! skb) + { + printf("skge_send: failed to alloc skb\n"); + goto Done; + } + + memcpy(skb->data, (void*)packet, length); + ret = SkGeXmit(skb, dev); + +Done: + return ret; +} + + +static int skge_recv(struct eth_device *dev) +{ + DEV_NET *pNet; + SK_AC *pAC; + int FromPort = 0; + + pNet = (DEV_NET*) dev->priv; + pAC = pNet->pAC; + + ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); + + return 0; +} + + +#endif /* CONFIG_SK98 */ |