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Annotation of lucent/sys/src/9/pc/ether589.c, revision 1.1

1.1     ! root        1: #include "u.h"
        !             2: #include "../port/lib.h"
        !             3: #include "mem.h"
        !             4: #include "dat.h"
        !             5: #include "fns.h"
        !             6: #include "../port/error.h"
        !             7: #include "io.h"
        !             8: #include "devtab.h"
        !             9: 
        !            10: #include "ether.h"
        !            11: 
        !            12: enum {
        !            13:        SelectWindow    = 0x01,         /* SelectWindow command */
        !            14: 
        !            15:        Command         = 0x0E,         /* all windows */
        !            16:        Status          = 0x0E,
        !            17: 
        !            18:        ManufacturerID  = 0x00,         /* window 0 */
        !            19:        ProductID       = 0x02,
        !            20:        ConfigControl   = 0x04,
        !            21:        AddressConfig   = 0x06,
        !            22:        ResourceConfig  = 0x08,
        !            23:        EEPROMcmd       = 0x0A,
        !            24:        EEPROMdata      = 0x0C,
        !            25: };
        !            26: 
        !            27: #define COMMAND(port, cmd, a)  outs(port+Command, ((cmd)<<11)|(a))
        !            28: 
        !            29: extern int ether509reset(Ctlr*);
        !            30: 
        !            31: static int
        !            32: reset(Ctlr *ctlr)
        !            33: {
        !            34:        int slot;
        !            35:        int port;
        !            36:        ushort x;
        !            37: 
        !            38:        if(ctlr->card.irq == 0)
        !            39:                ctlr->card.irq = 10;
        !            40:        if(ctlr->card.port == 0)
        !            41:                ctlr->card.port = 0x240;
        !            42:        port = ctlr->card.port;
        !            43: 
        !            44:        slot = pcmspecial("3C589", &ctlr->card);
        !            45:        if(slot < 0)
        !            46:                return -1;
        !            47: 
        !            48:        /* set Window 0 configuration registers */
        !            49:        COMMAND(port, SelectWindow, 0);
        !            50: 
        !            51:        /* ROM size & base - must be set before we can access ROM */
        !            52:        /* transceiver type (for now always 10baseT) */
        !            53:        x = ins(port + AddressConfig);
        !            54:        outs(port + AddressConfig, x & 0x20);
        !            55: 
        !            56:        /* IRQ must be 3 on 3C589 */
        !            57:        x = ins(port + ResourceConfig);
        !            58:        outs(port + ResourceConfig, 0x3f00 | (x&0xfff));
        !            59: 
        !            60:        /* move product ID to register */
        !            61:        while(ins(port+EEPROMcmd) & 0x8000)
        !            62:                ;
        !            63:        outs(port+EEPROMcmd, (2<<6)|3);
        !            64:        while(ins(port+EEPROMcmd) & 0x8000)
        !            65:                ;
        !            66:        x = ins(port+EEPROMdata);
        !            67:        outs(port + ProductID, x);
        !            68: 
        !            69:        if(ether509reset(ctlr) < 0){
        !            70:                pcmspecialclose(slot);
        !            71:                return -1;
        !            72:        }
        !            73:        return 0;
        !            74: }
        !            75: 
        !            76: void
        !            77: ether589link(void)
        !            78: {
        !            79:        addethercard("3C589", reset);
        !            80: }

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