/* $Id: sunbmac.c,v 1.30 2002/01/15 06:48:55 davem Exp $
* sunbmac.c: Driver for Sparc BigMAC 100baseT ethernet adapters.
*
* Copyright (C) 1997, 1998, 1999, 2003 David S. Miller (davem@redhat.com)
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/crc32.h>
#include <linux/errno.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
#include <asm/auxio.h>
#include <asm/byteorder.h>
#include <asm/dma.h>
#include <asm/idprom.h>
#include <asm/io.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
#include <asm/pgtable.h>
#include <asm/sbus.h>
#include <asm/system.h>
#include "sunbmac.h"
#define DRV_NAME "sunbmac"
#define DRV_VERSION "2.0"
#define DRV_RELDATE "11/24/03"
#define DRV_AUTHOR "David S. Miller (davem@redhat.com)"
static char version[] __initdata =
DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " " DRV_AUTHOR "\n";
MODULE_VERSION(DRV_VERSION);
MODULE_AUTHOR(DRV_AUTHOR);
MODULE_DESCRIPTION("Sun BigMAC 100baseT ethernet driver");
MODULE_LICENSE("GPL");
#undef DEBUG_PROBE
#undef DEBUG_TX
#undef DEBUG_IRQ
#ifdef DEBUG_PROBE
#define DP(x) printk x
#else
#define DP(x)
#endif
#ifdef DEBUG_TX
#define DTX(x) printk x
#else
#define DTX(x)
#endif
#ifdef DEBUG_IRQ
#define DIRQ(x) printk x
#else
#define DIRQ(x)
#endif
#define DEFAULT_JAMSIZE 4 /* Toe jam */
#define QEC_RESET_TRIES 200
static int qec_global_reset(void __iomem *gregs)
{
int tries = QEC_RESET_TRIES;
sbus_writel(GLOB_CTRL_RESET, gregs + GLOB_CTRL);
while (--tries) {
if (sbus_readl(gregs + GLOB_CTRL) & GLOB_CTRL_RESET) {
udelay(20);
continue;
}
break;
}
if (tries)
return 0;
printk(KERN_ERR "BigMAC: Cannot reset the QEC.\n");
return -1;
}
static void qec_init(struct bigmac *bp)
{
void __iomem *gregs = bp->gregs;
struct sbus_dev *qec_sdev = bp->qec_sdev;
u8 bsizes = bp->bigmac_bursts;
u32 regval;
/* 64byte bursts do not work at the moment, do
* not even try to enable them. -DaveM
*/
if (bsizes & DMA_BURST32)
regval = GLOB_CTRL_B32;
else
regval = GLOB_CTRL_B16;
sbus_writel(regval 