diff options
Diffstat (limited to 'drivers/net/pcmcia')
| -rw-r--r-- | drivers/net/pcmcia/3c574_cs.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index 2881777..36a7ba3 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -187,14 +187,16 @@ enum Window1 { enum Window3 { /* Window 3: MAC/config bits. */ Wn3_Config=0, Wn3_MAC_Ctrl=6, Wn3_Options=8, }; -union wn3_config { - int i; - struct w3_config_fields { - unsigned int ram_size:3, ram_width:1, ram_speed:2, rom_size:2; - int pad8:8; - unsigned int ram_split:2, pad18:2, xcvr:3, pad21:1, autoselect:1; - int pad24:7; - } u; +enum wn3_config { + Ram_size = 7, + Ram_width = 8, + Ram_speed = 0x30, + Rom_size = 0xc0, + Ram_split_shift = 16, + Ram_split = 3 << Ram_split_shift, + Xcvr_shift = 20, + Xcvr = 7 << Xcvr_shift, + Autoselect = 0x1000000, }; enum Window4 { /* Window 4: Xcvr/media bits. */ @@ -342,7 +344,7 @@ static int tc574_config(struct pcmcia_device *link) kio_addr_t ioaddr; __be16 *phys_addr; char *cardname; - union wn3_config config; + __u32 config; DECLARE_MAC_BUF(mac); phys_addr = (__be16 *)dev->dev_addr; @@ -401,9 +403,9 @@ static int tc574_config(struct pcmcia_device *link) outw(0<<11, ioaddr + RunnerRdCtrl); printk(KERN_INFO " ASIC rev %d,", mcr>>3); EL3WINDOW(3); - config.i = inl(ioaddr + Wn3_Config); - lp->default_media = config.u.xcvr; - lp->autoselect = config.u.autoselect; + config = inl(ioaddr + Wn3_Config); + lp->default_media = (config & Xcvr) >> Xcvr_shift; + lp->autoselect = config & Autoselect ? 1 : 0; } init_timer(&lp->media); @@ -464,8 +466,9 @@ static int tc574_config(struct pcmcia_device *link) dev->name, cardname, dev->base_addr, dev->irq, print_mac(mac, dev->dev_addr)); printk(" %dK FIFO split %s Rx:Tx, %sMII interface.\n", - 8 << config.u.ram_size, ram_split[config.u.ram_split], - config.u.autoselect ? "autoselect " : ""); + 8 << config & Ram_size, + ram_split[(config & Ram_split) >> Ram_split_shift], + config & Autoselect ? "autoselect " : ""); return 0; |