arch/common/boot/grub/netboot/otulip.h

   1 /* mostly stolen from FreeBSD if_de.c, if_devar.h */
   2
   3 #define TULIP_CSR_READ(csr)             (membase[csr*2])
   4 #define CSR_READ(csr)                   (membase[csr*2])
   5 #define TULIP_CSR_WRITE(csr, val)       (membase[csr*2] = val)
   6 #define CSR_WRITE(csr, val)             (membase[csr*2] = val)
   7
   8 #define csr_0                   0
   9 #define csr_1                   1
  10 #define csr_2                   2
  11 #define csr_3                   3
  12 #define csr_4                   4
  13 #define csr_5                   5
  14 #define csr_6                   6
  15 #define csr_7                   7
  16 #define csr_8                   8
  17 #define csr_9                   9
  18 #define csr_10                  10
  19 #define csr_11                  11
  20 #define csr_12                  12
  21 #define csr_13                  13
  22 #define csr_14                  14
  23 #define csr_15                  15
  24
  25 #define csr_busmode             csr_0
  26 #define csr_txpoll              csr_1
  27 #define csr_rxpoll              csr_2
  28 #define csr_rxlist              csr_3
  29 #define csr_txlist              csr_4
  30 #define csr_status              csr_5
  31 #define csr_command             csr_6
  32 #define csr_intr                csr_7
  33 #define csr_missed_frames       csr_8
  34 #define csr_enetrom             csr_9           /* 21040 */
  35 #define csr_reserved            csr_10          /* 21040 */
  36 #define csr_full_duplex         csr_11          /* 21040 */
  37 #define csr_bootrom             csr_10          /* 21041/21140A/?? */
  38 #define csr_gp                  csr_12          /* 21140* */
  39 #define csr_watchdog            csr_15          /* 21140* */
  40 #define csr_gp_timer            csr_11          /* 21041/21140* */
  41 #define csr_srom_mii            csr_9           /* 21041/21140* */
  42 #define csr_sia_status          csr_12          /* 2104x */
  43 #define csr_sia_connectivity    csr_13          /* 2104x */
  44 #define csr_sia_tx_rx           csr_14          /* 2104x */
  45 #define csr_sia_general         csr_15          /* 2104x */
  46
  47 #define SROMSEL         0x0800
  48 #define SROMCS          0x0001
  49 #define SROMCLKON       0x0002
  50 #define SROMCLKOFF      0x0002
  51 #define SROMRD          0x4000
  52 #define SROMWR          0x2000
  53 #define SROM_BITWIDTH   6
  54 #define SROMCMD_RD      6
  55 #define SROMCSON        0x0001
  56 #define SROMDOUT        0x0004
  57 #define SROMDIN         0x0008
  58
  59
  60 struct txdesc {
  61         unsigned long   status;         /* owner, status */
  62         unsigned long   buf1sz:11,      /* size of buffer 1 */
  63                         buf2sz:11,      /* size of buffer 2 */
  64                         control:10;     /* control bits */
  65         const unsigned char *buf1addr;  /* buffer 1 address */
  66         const unsigned char *buf2addr;  /* buffer 2 address */
  67 };
  68
  69 struct rxdesc {
  70         unsigned long   status;         /* owner, status */
  71         unsigned long   buf1sz:11,      /* size of buffer 1 */
  72                         buf2sz:11,      /* size of buffer 2 */
  73                         control:10;     /* control bits */
  74         unsigned char   *buf1addr;      /* buffer 1 address */
  75         unsigned char   *buf2addr;      /* buffer 2 address */
  76 };