drivers/net/ethernet/faraday/ftmac100.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Faraday FTMAC100 10/100 Ethernet
   4  *
   5  * (C) Copyright 2009-2011 Faraday Technology
   6  * Po-Yu Chuang <ratbert@faraday-tech.com>
   7  */
   8
   9 #ifndef __FTMAC100_H
  10 #define __FTMAC100_H
  11
  12 #define FTMAC100_OFFSET_ISR             0x00
  13 #define FTMAC100_OFFSET_IMR             0x04
  14 #define FTMAC100_OFFSET_MAC_MADR        0x08
  15 #define FTMAC100_OFFSET_MAC_LADR        0x0c
  16 #define FTMAC100_OFFSET_MAHT0           0x10
  17 #define FTMAC100_OFFSET_MAHT1           0x14
  18 #define FTMAC100_OFFSET_TXPD            0x18
  19 #define FTMAC100_OFFSET_RXPD            0x1c
  20 #define FTMAC100_OFFSET_TXR_BADR        0x20
  21 #define FTMAC100_OFFSET_RXR_BADR        0x24
  22 #define FTMAC100_OFFSET_ITC             0x28
  23 #define FTMAC100_OFFSET_APTC            0x2c
  24 #define FTMAC100_OFFSET_DBLAC           0x30
  25 #define FTMAC100_OFFSET_MACCR           0x88
  26 #define FTMAC100_OFFSET_MACSR           0x8c
  27 #define FTMAC100_OFFSET_PHYCR           0x90
  28 #define FTMAC100_OFFSET_PHYWDATA        0x94
  29 #define FTMAC100_OFFSET_FCR             0x98
  30 #define FTMAC100_OFFSET_BPR             0x9c
  31 #define FTMAC100_OFFSET_TS              0xc4
  32 #define FTMAC100_OFFSET_DMAFIFOS        0xc8
  33 #define FTMAC100_OFFSET_TM              0xcc
  34 #define FTMAC100_OFFSET_TX_MCOL_SCOL    0xd4
  35 #define FTMAC100_OFFSET_RPF_AEP         0xd8
  36 #define FTMAC100_OFFSET_XM_PG           0xdc
  37 #define FTMAC100_OFFSET_RUNT_TLCC       0xe0
  38 #define FTMAC100_OFFSET_CRCER_FTL       0xe4
  39 #define FTMAC100_OFFSET_RLC_RCC         0xe8
  40 #define FTMAC100_OFFSET_BROC            0xec
  41 #define FTMAC100_OFFSET_MULCA           0xf0
  42 #define FTMAC100_OFFSET_RP              0xf4
  43 #define FTMAC100_OFFSET_XP              0xf8
  44
  45 /*
  46  * Interrupt status register & interrupt mask register
  47  */
  48 #define FTMAC100_INT_RPKT_FINISH        (1 << 0)
  49 #define FTMAC100_INT_NORXBUF            (1 << 1)
  50 #define FTMAC100_INT_XPKT_FINISH        (1 << 2)
  51 #define FTMAC100_INT_NOTXBUF            (1 << 3)
  52 #define FTMAC100_INT_XPKT_OK            (1 << 4)
  53 #define FTMAC100_INT_XPKT_LOST          (1 << 5)
  54 #define FTMAC100_INT_RPKT_SAV           (1 << 6)
  55 #define FTMAC100_INT_RPKT_LOST          (1 << 7)
  56 #define FTMAC100_INT_AHB_ERR            (1 << 8)
  57 #define FTMAC100_INT_PHYSTS_CHG         (1 << 9)
  58
  59 /*
  60  * Interrupt timer control register
  61  */
  62 #define FTMAC100_ITC_RXINT_CNT(x)       (((x) & 0xf) << 0)
  63 #define FTMAC100_ITC_RXINT_THR(x)       (((x) & 0x7) << 4)
  64 #define FTMAC100_ITC_RXINT_TIME_SEL     (1 << 7)
  65 #define FTMAC100_ITC_TXINT_CNT(x)       (((x) & 0xf) << 8)
  66 #define FTMAC100_ITC_TXINT_THR(x)       (((x) & 0x7) << 12)
  67 #define FTMAC100_ITC_TXINT_TIME_SEL     (1 << 15)
  68
  69 /*
  70  * Automatic polling timer control register
  71  */
  72 #define FTMAC100_APTC_RXPOLL_CNT(x)     (((x) & 0xf) << 0)
  73 #define FTMAC100_APTC_RXPOLL_TIME_SEL   (1 << 4)
  74 #define FTMAC100_APTC_TXPOLL_CNT(x)     (((x) & 0xf) << 8)
  75 #define FTMAC100_APTC_TXPOLL_TIME_SEL   (1 << 12)
  76
  77 /*
  78  * DMA burst length and arbitration control register
  79  */
  80 #define FTMAC100_DBLAC_INCR4_EN         (1 << 0)
  81 #define FTMAC100_DBLAC_INCR8_EN         (1 << 1)
  82 #define FTMAC100_DBLAC_INCR16_EN        (1 << 2)
  83 #define FTMAC100_DBLAC_RXFIFO_LTHR(x)   (((x) & 0x7) << 3)
  84 #define FTMAC100_DBLAC_RXFIFO_HTHR(x)   (((x) & 0x7) << 6)
  85 #define FTMAC100_DBLAC_RX_THR_EN        (1 << 9)
  86
  87 /*
  88  * MAC control register
  89  */
  90 #define FTMAC100_MACCR_XDMA_EN          (1 << 0)
  91 #define FTMAC100_MACCR_RDMA_EN          (1 << 1)
  92 #define FTMAC100_MACCR_SW_RST           (1 << 2)
  93 #define FTMAC100_MACCR_LOOP_EN          (1 << 3)
  94 #define FTMAC100_MACCR_CRC_DIS          (1 << 4)
  95 #define FTMAC100_MACCR_XMT_EN           (1 << 5)
  96 #define FTMAC100_MACCR_ENRX_IN_HALFTX   (1 << 6)
  97 #define FTMAC100_MACCR_RCV_EN           (1 << 8)
  98 #define FTMAC100_MACCR_HT_MULTI_EN      (1 << 9)
  99 #define FTMAC100_MACCR_RX_RUNT          (1 << 10)
 100 #define FTMAC100_MACCR_RX_FTL           (1 << 11)
 101 #define FTMAC100_MACCR_RCV_ALL          (1 << 12)
 102 #define FTMAC100_MACCR_CRC_APD          (1 << 14)
 103 #define FTMAC100_MACCR_FULLDUP          (1 << 15)
 104 #define FTMAC100_MACCR_RX_MULTIPKT      (1 << 16)
 105 #define FTMAC100_MACCR_RX_BROADPKT      (1 << 17)
 106
 107 /*
 108  * PHY control register
 109  */
 110 #define FTMAC100_PHYCR_MIIRDATA         0xffff
 111 #define FTMAC100_PHYCR_PHYAD(x)         (((x) & 0x1f) << 16)
 112 #define FTMAC100_PHYCR_REGAD(x)         (((x) & 0x1f) << 21)
 113 #define FTMAC100_PHYCR_MIIRD            (1 << 26)
 114 #define FTMAC100_PHYCR_MIIWR            (1 << 27)
 115
 116 /*
 117  * PHY write data register
 118  */
 119 #define FTMAC100_PHYWDATA_MIIWDATA(x)   ((x) & 0xffff)
 120
 121 /*
 122  * Transmit descriptor, aligned to 16 bytes
 123  */
 124 struct ftmac100_txdes {
 125         unsigned int    txdes0;
 126         unsigned int    txdes1;
 127         unsigned int    txdes2; /* TXBUF_BADR */
 128         unsigned int    txdes3; /* not used by HW */
 129 } __attribute__ ((aligned(16)));
 130
 131 #define FTMAC100_TXDES0_TXPKT_LATECOL   (1 << 0)
 132 #define FTMAC100_TXDES0_TXPKT_EXSCOL    (1 << 1)
 133 #define FTMAC100_TXDES0_TXDMA_OWN       (1 << 31)
 134
 135 #define FTMAC100_TXDES1_TXBUF_SIZE(x)   ((x) & 0x7ff)
 136 #define FTMAC100_TXDES1_LTS             (1 << 27)
 137 #define FTMAC100_TXDES1_FTS             (1 << 28)
 138 #define FTMAC100_TXDES1_TX2FIC          (1 << 29)
 139 #define FTMAC100_TXDES1_TXIC            (1 << 30)
 140 #define FTMAC100_TXDES1_EDOTR           (1 << 31)
 141
 142 /*
 143  * Receive descriptor, aligned to 16 bytes
 144  */
 145 struct ftmac100_rxdes {
 146         unsigned int    rxdes0;
 147         unsigned int    rxdes1;
 148         unsigned int    rxdes2; /* RXBUF_BADR */
 149         unsigned int    rxdes3; /* not used by HW */
 150 } __attribute__ ((aligned(16)));
 151
 152 #define FTMAC100_RXDES0_RFL             0x7ff
 153 #define FTMAC100_RXDES0_MULTICAST       (1 << 16)
 154 #define FTMAC100_RXDES0_BROADCAST       (1 << 17)
 155 #define FTMAC100_RXDES0_RX_ERR          (1 << 18)
 156 #define FTMAC100_RXDES0_CRC_ERR         (1 << 19)
 157 #define FTMAC100_RXDES0_FTL             (1 << 20)
 158 #define FTMAC100_RXDES0_RUNT            (1 << 21)
 159 #define FTMAC100_RXDES0_RX_ODD_NB       (1 << 22)
 160 #define FTMAC100_RXDES0_LRS             (1 << 28)
 161 #define FTMAC100_RXDES0_FRS             (1 << 29)
 162 #define FTMAC100_RXDES0_RXDMA_OWN       (1 << 31)
 163
 164 #define FTMAC100_RXDES1_RXBUF_SIZE(x)   ((x) & 0x7ff)
 165 #define FTMAC100_RXDES1_EDORR           (1 << 31)
 166
 167 #endif /* __FTMAC100_H */