netboot/tulip.h

/* mostly stolen from FreeBSD if_de.c, if_devar.h */

#define TULIP_CSR_READ(csr)         (membase[csr*2])
#define CSR_READ(csr)               (membase[csr*2])
#define TULIP_CSR_WRITE(csr, val)   (membase[csr*2] = val)
#define CSR_WRITE(csr, val)         (membase[csr*2] = val)

#define csr_0                   0
#define csr_1                   1
#define csr_2                   2
#define csr_3                   3
#define csr_4                   4
#define csr_5                   5
#define csr_6                   6
#define csr_7                   7
#define csr_8                   8
#define csr_9                   9
#define csr_10                  10
#define csr_11                  11
#define csr_12                  12
#define csr_13                  13
#define csr_14                  14
#define csr_15                  15

#define csr_busmode             csr_0
#define csr_txpoll              csr_1
#define csr_rxpoll              csr_2
#define csr_rxlist              csr_3
#define csr_txlist              csr_4
#define csr_status              csr_5
#define csr_command             csr_6
#define csr_intr                csr_7
#define csr_missed_frames       csr_8
#define csr_enetrom             csr_9   /* 21040 */
#define csr_reserved            csr_10  /* 21040 */
#define csr_full_duplex         csr_11  /* 21040 */
#define csr_bootrom             csr_10  /* 21041/21140A/?? */
#define csr_gp                  csr_12  /* 21140* */
#define csr_watchdog            csr_15  /* 21140* */
#define csr_gp_timer            csr_11  /* 21041/21140* */
#define csr_srom_mii            csr_9   /* 21041/21140* */
#define csr_sia_status          csr_12  /* 2104x */
#define csr_sia_connectivity    csr_13  /* 2104x */
#define csr_sia_tx_rx           csr_14  /* 2104x */
#define csr_sia_general         csr_15  /* 2104x */

#define SROMSEL         0x0800
#define SROMCS          0x0001
#define SROMCLKON       0x0002
#define SROMCLKOFF      0x0002
#define SROMRD          0x4000
#define SROMWR          0x2000
#define SROM_BITWIDTH   6
#define SROMCMD_RD      6
#define SROMCSON        0x0001
#define SROMDOUT        0x0004
#define SROMDIN         0x0008


struct txrxdesc {
        unsigned long   status;         /* owner, status */
        unsigned long   buf1sz:11,      /* size of buffer 1 */
                        buf2sz:11,      /* size of buffer 2 */
                        control:10;     /* control bits */
        unsigned char   *buf1addr;      /* buffer 1 address */
        unsigned char   *buf2addr;      /* buffer 2 address */
};