drivers/net/ax88796.h

   1 /*
   2  * AX88796L(NE2000) support
   3  *
   4  * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef __DRIVERS_AX88796L_H__
  10 #define __DRIVERS_AX88796L_H__
  11
  12 #define DP_DATA         (0x10 << 1)
  13 #define START_PG        0x40    /* First page of TX buffer */
  14 #define START_PG2       0x48
  15 #define STOP_PG         0x80    /* Last page +1 of RX ring */
  16 #define TX_PAGES        12
  17 #define RX_START        (START_PG+TX_PAGES)
  18 #define RX_END          STOP_PG
  19
  20 #define AX88796L_BASE_ADDRESS   CONFIG_DRIVER_NE2000_BASE
  21 #define AX88796L_BYTE_ACCESS    0x00001000
  22 #define AX88796L_OFFSET         0x00000400
  23 #define AX88796L_ADDRESS_BYTE   AX88796L_BASE_ADDRESS + \
  24                 AX88796L_BYTE_ACCESS + AX88796L_OFFSET
  25 #define AX88796L_REG_MEMR       AX88796L_ADDRESS_BYTE + (0x14<<1)
  26 #define AX88796L_REG_CR         AX88796L_ADDRESS_BYTE + (0x00<<1)
  27
  28 #define AX88796L_CR             (*(vu_short *)(AX88796L_REG_CR))
  29 #define AX88796L_MEMR           (*(vu_short *)(AX88796L_REG_MEMR))
  30
  31 #define EECS_HIGH               (AX88796L_MEMR |= 0x10)
  32 #define EECS_LOW                (AX88796L_MEMR &= 0xef)
  33 #define EECLK_HIGH              (AX88796L_MEMR |= 0x80)
  34 #define EECLK_LOW               (AX88796L_MEMR &= 0x7f)
  35 #define EEDI_HIGH               (AX88796L_MEMR |= 0x20)
  36 #define EEDI_LOW                (AX88796L_MEMR &= 0xdf)
  37 #define EEDO                    ((AX88796L_MEMR & 0x40)>>6)
  38
  39 #define PAGE0_SET               (AX88796L_CR &= 0x3f)
  40 #define PAGE1_SET               (AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)
  41
  42 #define BIT_DUMMY       0
  43 #define MAC_EEP_READ    1
  44 #define MAC_EEP_WRITE   2
  45 #define MAC_EEP_ERACE   3
  46 #define MAC_EEP_EWEN    4
  47 #define MAC_EEP_EWDS    5
  48
  49 /* R7780MP Specific code */
  50 #if defined(CONFIG_R7780MP)
  51 #define ISA_OFFSET      0x1400
  52 #define DP_IN(_b_, _o_, _d_)    (_d_) = \
  53         *( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
  54 #define DP_OUT(_b_, _o_, _d_) \
  55         *((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)
  56 #define DP_IN_DATA(_b_, _d_)    (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
  57 #define DP_OUT_DATA(_b_, _d_)   *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
  58 #else
  59 /* Please change for your target boards */
  60 #define ISA_OFFSET      0x0000
  61 #define DP_IN(_b_, _o_, _d_)    (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
  62 #define DP_OUT(_b_, _o_, _d_)   *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
  63 #define DP_IN_DATA(_b_, _d_)    (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
  64 #define DP_OUT_DATA(_b_, _d_)   *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
  65 #endif
  66
  67 #endif /* __DRIVERS_AX88796L_H__ */