mpc860.h

文件内包含了nuclues的内核代码和针对Power PC的编译器。需要用VirtNet生成一个虚拟网卡才可使用

    unsigned long        ttemp;         /* Tx temp */
    unsigned short       max_idl;       /* Maximum IDLE Characters */
    unsigned short       idlc;          /* Temporary IDLE Counter */
    unsigned short       brkln;         /* Last Rx Break Length */
    unsigned short       brkec;         /* Rx Break Condition Counter */
    unsigned short       brkcr;         /* Break Count Register (Tx) */
    unsigned short       r_mask;        /* Temporary bit mask */
};

struct smc_trnsp_pram {
    unsigned short       rbase;         /* Rx BD Base Address */
    unsigned short       tbase;         /* Tx BD Base Address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned short       reserved[5];   /* Reserved */
};

struct centronics_pram {
    unsigned short       rbase;         /* Rx BD Base Address */
    unsigned short       tbase;         /* Tx BD Base Address */
    unsigned char        fcr;           /* function code */
    unsigned char        smask;         /* Status Mask */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned short       max_sl;        /* Maximum Silence period */
    unsigned short       sl_cnt;        /* Silence Counter */
    unsigned short       char1;         /* CONTROL char 1 */
    unsigned short       char2;         /* CONTROL char 2 */
    unsigned short       char3;         /* CONTROL char 3 */
    unsigned short       char4;         /* CONTROL char 4 */
    unsigned short       char5;         /* CONTROL char 5 */
    unsigned short       char6;         /* CONTROL char 6 */
    unsigned short       char7;         /* CONTROL char 7 */
    unsigned short       char8;         /* CONTROL char 8 */
    unsigned short       rccm;          /* Rx Control Char Mask */
    unsigned short       rccr;          /* Rx Char Control Register */
};

struct idma_pram {
    unsigned short       ibase;         /* IDMA BD Base Address */
    unsigned short       ibptr;         /* IDMA buffer descriptor pointer */
    unsigned long        istate;        /* IDMA internal state */
    unsigned long        itemp;         /* IDMA temp */
};

struct ethernet_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short       rbase;         /* RX BD base address */
    unsigned short       tbase;         /* TX BD base address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned long        rcrc;          /* temp receive CRC */
    unsigned long        tcrc;          /* temp transmit CRC */

    /*
     * ETHERNET specific parameter RAM
     */
    unsigned long        c_pres;        /* preset CRC */
    unsigned long        c_mask;        /* constant mask for CRC */
    unsigned long        crcec;         /* CRC error counter */
    unsigned long        alec;          /* alighnment error counter */
    unsigned long        disfc;         /* discard frame counter */
    unsigned short       pads;          /* short frame PAD characters */
    unsigned short       ret_lim;       /* retry limit threshold */
    unsigned short       ret_cnt;       /* retry limit counter */
    unsigned short       mflr;          /* maximum frame length reg */
    unsigned short       minflr;        /* minimum frame length reg */
    unsigned short       maxd1;         /* maximum DMA1 length reg */
    unsigned short       maxd2;         /* maximum DMA2 length reg */
    unsigned short       maxd;          /* rx max DMA */
    unsigned short       dma_cnt;       /* rx dma counter */
    unsigned short       max_b;         /* max bd byte count */
    unsigned short       gaddr1;        /* group address filter 1 */
    unsigned short       gaddr2;        /* group address filter 2 */
    unsigned short       gaddr3;        /* group address filter 3 */
    unsigned short       gaddr4;        /* group address filter 4 */
    unsigned long        tbuf0_data0;   /* save area 0 - current frm */
    unsigned long        tbuf0_data1;   /* save area 1 - current frm */
    unsigned long        tbuf0_rba0;
    unsigned long        tbuf0_crc;
    unsigned short       tbuf0_bcnt;
    unsigned short       paddr_h;       /* physical address (MSB) */
    unsigned short       paddr_m;       /* physical address */
    unsigned short       paddr_l;       /* physical address (LSB) */
    unsigned short       p_per;         /* persistence */
    unsigned short       rfbd_ptr;      /* rx first bd pointer */
    unsigned short       tfbd_ptr;      /* tx first bd pointer */
    unsigned short       tlbd_ptr;      /* tx last bd pointer */
    unsigned long        tbuf1_data0;   /* save area 0 - next frame */
    unsigned long        tbuf1_data1;   /* save area 1 - next frame */
    unsigned long        tbuf1_rba0;
    unsigned long        tbuf1_crc;
    unsigned short       tbuf1_bcnt;
    unsigned short       tx_len;        /* tx frame length counter */
    unsigned short       iaddr1;        /* individual address filter 1*/
    unsigned short       iaddr2;        /* individual address filter 2*/
    unsigned short       iaddr3;        /* individual address filter 3*/
    unsigned short       iaddr4;        /* individual address filter 4*/
    unsigned short       boff_cnt;      /* back-off counter */
    unsigned short       taddr_h;       /* temp address (MSB) */
    unsigned short       taddr_m;       /* temp address */
    unsigned short       taddr_l;       /* temp address (LSB) */
};

struct transparent_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short       rbase;         /* RX BD base address */
    unsigned short       tbase;         /* TX BD base address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned long        rcrc;          /* temp receive CRC */
    unsigned long        tcrc;          /* temp transmit CRC */
    /*
     * TRANSPARENT specific parameter RAM
     */
    unsigned long        crc_p;         /* CRC Preset */
    unsigned long        crc_c;         /* CRC constant */
};

struct timer_pram {
    /*
     * RISC timers parameter RAM
     */
    unsigned short       tm_base;       /* RISC timer table base adr */
    unsigned short       tm_ptr;        /* RISC timer table pointer */
    unsigned short       r_tmr;         /* RISC timer mode register */
    unsigned short       r_tmv;         /* RISC timer valid register */
    unsigned long        tm_cmd;        /* RISC timer cmd register */
    unsigned long        tm_cnt;        /* RISC timer internal cnt */
};

struct ucode_pram {
    /*
     * RISC ucode parameter RAM
     */
    unsigned short       rev_num;       /* Ucode Revision Number */
    unsigned short       d_ptr;         /* MISC Dump area pointer */
    unsigned long        temp1;         /* MISC Temp1 */
    unsigned long        temp2;         /* MISC Temp2 */
};

struct i2c_pram {
    /*
     * I2C parameter RAM
     */
    unsigned short       rbase;               /* RX BD base address */
    unsigned short       tbase;               /* TX BD base address */
    unsigned char        rfcr;                /* Rx function code */
    unsigned char        tfcr;                /* Tx function code */
    unsigned short       mrblr;               /* Rx buffer length */
    unsigned long        rstate;              /* Rx internal state */
    unsigned long        rptr;                /* Rx internal data pointer */
    unsigned short       rbptr;               /* rb BD Pointer */
    unsigned short       rcount;              /* Rx internal byte count */
    unsigned long        rtemp;               /* Rx temp */
    unsigned long        tstate;              /* Tx internal state */
    unsigned long        tptr;                /* Tx internal data pointer */
    unsigned short       tbptr;               /* Tx BD pointer */
    unsigned short       tcount;              /* Tx byte count */
    unsigned long        ttemp;               /* Tx temp */
};

/*
 * definitions of PDA memory structures
 */

typedef struct pda {
/* BASE + 0x0000: INTERNAL REGISTERS */
/* SIU */
    volatile unsigned long  siu_mcr;        /* module configuration reg */
    volatile unsigned long  siu_sypcr;      /* System protection cnt */
    unsigned char           RESERVED58[0x6];
    volatile unsigned short siu_swsr;       /* sw service */
    volatile unsigned long  siu_sipend;     /* Interrupt pend reg */
    volatile unsigned long  siu_simask;     /* Interrupt mask reg */
    volatile unsigned long  siu_siel;       /* Interrupt edge level msk reg */
    volatile unsigned long  siu_sivec;      /* Interrupt vector */
    volatile unsigned long  siu_tesr;       /* Transfer error status */
    volatile unsigned char  RESERVED1[0xc]; /* Reserved area */
    volatile unsigned long  dma_sdcr;       /* SDMA configuration reg */
    unsigned char           RESERVED55[0x4c];
/* PCMCIA */
    volatile unsigned char  pcmcia_area[0x7c]; /* pcmcia area */
    volatile unsigned char  RESERVED2[0x4]; /* Reserved area */
/* MEMC */
    volatile unsigned long  memc_br0;       /* base register 0 */
    volatile unsigned long  memc_or0;       /* option register 0 */
    volatile unsigned long  memc_br1;       /* base register 1 */
    volatile unsigned long  memc_or1;       /* option register 1 */
    volatile unsigned long  memc_br2;       /* base register 2 */
    volatile unsigned long  memc_or2;       /* option register 2 */
    volatile unsigned long  memc_br3;       /* base register 3 */
    volatile unsigned long  memc_or3;       /* option register 3 */
    volatile unsigned long  memc_br4;       /* base register 3 */
    volatile unsigned long  memc_or4;       /* option register 3 */
    volatile unsigned long  memc_br5;       /* base register 3 */
    volatile unsigned long  memc_or5;       /* option register 3 */
    volatile unsigned long  memc_br6;       /* base register 3 */
    volatile unsigned long  memc_or6;       /* option register 3 */
    volatile unsigned long  memc_br7;       /* base register 3 */