| 1 | /*- |
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| 2 | * SPDX-License-Identifier: BSD-2-Clause-FreeBSD |
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| 3 | * |
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| 4 | * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> |
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| 5 | * All rights reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * |
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 26 | * SUCH DAMAGE. |
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| 27 | * |
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| 28 | */ |
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| 29 | |
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| 30 | #ifndef IF_FFECREG_H |
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| 31 | #define IF_FFECREG_H |
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| 32 | |
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| 33 | #include <sys/cdefs.h> |
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| 34 | __FBSDID("$FreeBSD$"); |
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| 35 | |
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| 36 | /* |
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| 37 | * Hardware defines for Freescale Fast Ethernet Controller. |
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| 38 | */ |
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| 39 | |
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| 40 | /* |
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| 41 | * MAC registers. |
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| 42 | */ |
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| 43 | #define FEC_IER_REG 0x0004 |
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| 44 | #define FEC_IEM_REG 0x0008 |
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| 45 | #define FEC_IER_HBERR (1U << 31) |
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| 46 | #define FEC_IER_BABR (1 << 30) |
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| 47 | #define FEC_IER_BABT (1 << 29) |
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| 48 | #define FEC_IER_GRA (1 << 28) |
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| 49 | #define FEC_IER_TXF (1 << 27) |
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| 50 | #define FEC_IER_TXB (1 << 26) |
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| 51 | #define FEC_IER_RXF (1 << 25) |
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| 52 | #define FEC_IER_RXB (1 << 24) |
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| 53 | #define FEC_IER_MII (1 << 23) |
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| 54 | #define FEC_IER_EBERR (1 << 22) |
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| 55 | #define FEC_IER_LC (1 << 21) |
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| 56 | #define FEC_IER_RL (1 << 20) |
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| 57 | #define FEC_IER_UN (1 << 19) |
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| 58 | #define FEC_IER_PLR (1 << 18) |
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| 59 | #define FEC_IER_WAKEUP (1 << 17) |
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| 60 | #define FEC_IER_AVAIL (1 << 16) |
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| 61 | #define FEC_IER_TIMER (1 << 15) |
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| 62 | |
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| 63 | #define FEC_RDAR_REG 0x0010 |
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| 64 | #define FEC_RDAR_RDAR (1 << 24) |
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| 65 | |
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| 66 | #define FEC_TDAR_REG 0x0014 |
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| 67 | #define FEC_TDAR_TDAR (1 << 24) |
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| 68 | |
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| 69 | #define FEC_ECR_REG 0x0024 |
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| 70 | #define FEC_ECR_DBSWP (1 << 8) |
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| 71 | #define FEC_ECR_STOPEN (1 << 7) |
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| 72 | #define FEC_ECR_DBGEN (1 << 6) |
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| 73 | #define FEC_ECR_SPEED (1 << 5) |
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| 74 | #define FEC_ECR_EN1588 (1 << 4) |
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| 75 | #define FEC_ECR_SLEEP (1 << 3) |
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| 76 | #define FEC_ECR_MAGICEN (1 << 2) |
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| 77 | #define FEC_ECR_ETHEREN (1 << 1) |
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| 78 | #define FEC_ECR_RESET (1 << 0) |
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| 79 | |
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| 80 | #define FEC_MMFR_REG 0x0040 |
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| 81 | #define FEC_MMFR_ST_SHIFT 30 |
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| 82 | #define FEC_MMFR_ST_VALUE (0x01 << FEC_MMFR_ST_SHIFT) |
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| 83 | #define FEC_MMFR_OP_SHIFT 28 |
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| 84 | #define FEC_MMFR_OP_WRITE (0x01 << FEC_MMFR_OP_SHIFT) |
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| 85 | #define FEC_MMFR_OP_READ (0x02 << FEC_MMFR_OP_SHIFT) |
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| 86 | #define FEC_MMFR_PA_SHIFT 23 |
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| 87 | #define FEC_MMFR_PA_MASK (0x1f << FEC_MMFR_PA_SHIFT) |
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| 88 | #define FEC_MMFR_RA_SHIFT 18 |
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| 89 | #define FEC_MMFR_RA_MASK (0x1f << FEC_MMFR_RA_SHIFT) |
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| 90 | #define FEC_MMFR_TA_SHIFT 16 |
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| 91 | #define FEC_MMFR_TA_VALUE (0x02 << FEC_MMFR_TA_SHIFT) |
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| 92 | #define FEC_MMFR_DATA_SHIFT 0 |
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| 93 | #define FEC_MMFR_DATA_MASK (0xffff << FEC_MMFR_DATA_SHIFT) |
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| 94 | |
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| 95 | #define FEC_MSCR_REG 0x0044 |
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| 96 | #define FEC_MSCR_HOLDTIME_SHIFT 8 |
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| 97 | #define FEC_MSCR_HOLDTIME_MASK (0x07 << FEC_MSCR_HOLDTIME_SHIFT) |
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| 98 | #define FEC_MSCR_DIS_PRE (1 << 7) |
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| 99 | #define FEC_MSCR_MII_SPEED_SHIFT 1 |
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| 100 | #define FEC_MSCR_MII_SPEED_MASk (0x3f << FEC_MSCR_MII_SPEED_SHIFT) |
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| 101 | |
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| 102 | #define FEC_MIBC_REG 0x0064 |
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| 103 | #define FEC_MIBC_DIS (1U << 31) |
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| 104 | #define FEC_MIBC_IDLE (1 << 30) |
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| 105 | #define FEC_MIBC_CLEAR (1 << 29) /* imx6 only */ |
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| 106 | |
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| 107 | #define FEC_RCR_REG 0x0084 |
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| 108 | #define FEC_RCR_GRS (1U << 31) |
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| 109 | #define FEC_RCR_NLC (1 << 30) |
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| 110 | #define FEC_RCR_MAX_FL_SHIFT 16 |
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| 111 | #define FEC_RCR_MAX_FL_MASK (0x3fff << FEC_RCR_MAX_FL_SHIFT) |
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| 112 | #define FEC_RCR_CFEN (1 << 15) |
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| 113 | #define FEC_RCR_CRCFWD (1 << 14) |
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| 114 | #define FEC_RCR_PAUFWD (1 << 13) |
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| 115 | #define FEC_RCR_PADEN (1 << 12) |
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| 116 | #define FEC_RCR_RMII_10T (1 << 9) |
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| 117 | #define FEC_RCR_RMII_MODE (1 << 8) |
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| 118 | #define FEC_RCR_RGMII_EN (1 << 6) |
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| 119 | #define FEC_RCR_FCE (1 << 5) |
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| 120 | #define FEC_RCR_BC_REJ (1 << 4) |
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| 121 | #define FEC_RCR_PROM (1 << 3) |
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| 122 | #define FEC_RCR_MII_MODE (1 << 2) |
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| 123 | #define FEC_RCR_DRT (1 << 1) |
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| 124 | #define FEC_RCR_LOOP (1 << 0) |
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| 125 | |
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| 126 | #define FEC_TCR_REG 0x00c4 |
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| 127 | #define FEC_TCR_ADDINS (1 << 9) |
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| 128 | #define FEC_TCR_ADDSEL_SHIFT 5 |
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| 129 | #define FEC_TCR_ADDSEL_MASK (0x07 << FEC_TCR_ADDSEL_SHIFT) |
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| 130 | #define FEC_TCR_RFC_PAUSE (1 << 4) |
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| 131 | #define FEC_TCR_TFC_PAUSE (1 << 3) |
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| 132 | #define FEC_TCR_FDEN (1 << 2) |
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| 133 | #define FEC_TCR_GTS (1 << 0) |
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| 134 | |
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| 135 | #define FEC_PALR_REG 0x00e4 |
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| 136 | #define FEC_PALR_PADDR1_SHIFT 0 |
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| 137 | #define FEC_PALR_PADDR1_MASK (0xffffffff << FEC_PALR_PADDR1_SHIFT) |
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| 138 | |
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| 139 | #define FEC_PAUR_REG 0x00e8 |
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| 140 | #define FEC_PAUR_PADDR2_SHIFT 16 |
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| 141 | #define FEC_PAUR_PADDR2_MASK (0xffff << FEC_PAUR_PADDR2_SHIFT) |
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| 142 | #define FEC_PAUR_TYPE_VALUE (0x8808) |
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| 143 | |
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| 144 | #define FEC_OPD_REG 0x00ec |
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| 145 | #define FEC_OPD_PAUSE_DUR_SHIFT 0 |
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| 146 | #define FEC_OPD_PAUSE_DUR_MASK (0xffff << FEC_OPD_PAUSE_DUR_SHIFT) |
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| 147 | |
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| 148 | #define FEC_TXIC0_REG 0x00f0 |
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| 149 | #define FEC_TXIC1_REG 0x00f4 |
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| 150 | #define FEC_TXIC2_REG 0x00f8 |
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| 151 | #define FEC_RXIC0_REG 0x0100 |
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| 152 | #define FEC_RXIC1_REG 0x0104 |
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| 153 | #define FEC_RXIC2_REG 0x0108 |
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| 154 | #define FEC_IC_ICEN (1 << 31) |
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| 155 | #define FEC_IC_ICCS (1 << 30) |
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| 156 | #define FEC_IC_ICFT(x) (((x) & 0xff) << 20) |
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| 157 | #define FEC_IC_ICTT(x) ((x) & 0xffff) |
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| 158 | |
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| 159 | #define FEC_IAUR_REG 0x0118 |
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| 160 | #define FEC_IALR_REG 0x011c |
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| 161 | |
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| 162 | #define FEC_GAUR_REG 0x0120 |
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| 163 | #define FEC_GALR_REG 0x0124 |
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| 164 | |
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| 165 | #define FEC_TFWR_REG 0x0144 |
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| 166 | #define FEC_TFWR_STRFWD (1 << 8) |
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| 167 | #define FEC_TFWR_TWFR_SHIFT 0 |
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| 168 | #define FEC_TFWR_TWFR_MASK (0x3f << FEC_TFWR_TWFR_SHIFT) |
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| 169 | #define FEC_TFWR_TWFR_128BYTE (0x02 << FEC_TFWR_TWFR_SHIFT) |
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| 170 | |
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| 171 | #define FEC_RDSR_REG 0x0180 |
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| 172 | |
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| 173 | #define FEC_TDSR_REG 0x0184 |
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| 174 | |
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| 175 | #define FEC_MRBR_REG 0x0188 |
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| 176 | #define FEC_MRBR_R_BUF_SIZE_SHIFT 0 |
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| 177 | #define FEC_MRBR_R_BUF_SIZE_MASK (0x3fff << FEC_MRBR_R_BUF_SIZE_SHIFT) |
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| 178 | |
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| 179 | #define FEC_RSFL_REG 0x0190 |
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| 180 | #define FEC_RSEM_REG 0x0194 |
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| 181 | #define FEC_RAEM_REG 0x0198 |
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| 182 | #define FEC_RAFL_REG 0x019c |
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| 183 | #define FEC_TSEM_REG 0x01a0 |
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| 184 | #define FEC_TAEM_REG 0x01a4 |
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| 185 | #define FEC_TAFL_REG 0x01a8 |
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| 186 | #define FEC_TIPG_REG 0x01ac |
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| 187 | #define FEC_FTRL_REG 0x01b0 |
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| 188 | |
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| 189 | #define FEC_TACC_REG 0x01c0 |
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| 190 | #define FEC_TACC_PROCHK (1 << 4) |
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| 191 | #define FEC_TACC_IPCHK (1 << 3) |
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| 192 | #define FEC_TACC_SHIFT16 (1 << 0) |
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| 193 | |
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| 194 | #define FEC_RACC_REG 0x01c4 |
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| 195 | #define FEC_RACC_SHIFT16 (1 << 7) |
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| 196 | #define FEC_RACC_LINEDIS (1 << 6) |
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| 197 | #define FEC_RACC_PRODIS (1 << 2) |
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| 198 | #define FEC_RACC_IPDIS (1 << 1) |
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| 199 | #define FEC_RACC_PADREM (1 << 0) |
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| 200 | |
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| 201 | /* |
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| 202 | * IEEE-1588 timer registers |
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| 203 | */ |
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| 204 | |
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| 205 | #define FEC_ATCR_REG 0x0400 |
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| 206 | #define FEC_ATCR_SLAVE (1u << 13) |
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| 207 | #define FEC_ATCR_CAPTURE (1u << 11) |
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| 208 | #define FEC_ATCR_RESTART (1u << 9) |
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| 209 | #define FEC_ATCR_PINPER (1u << 7) |
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| 210 | #define FEC_ATCR_PEREN (1u << 4) |
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| 211 | #define FEC_ATCR_OFFRST (1u << 3) |
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| 212 | #define FEC_ATCR_OFFEN (1u << 2) |
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| 213 | #define FEC_ATCR_EN (1u << 0) |
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| 214 | |
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| 215 | #define FEC_ATVR_REG 0x0404 |
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| 216 | #define FEC_ATOFF_REG 0x0408 |
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| 217 | #define FEC_ATPER_REG 0x040c |
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| 218 | #define FEC_ATCOR_REG 0x0410 |
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| 219 | #define FEC_ATINC_REG 0x0414 |
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| 220 | #define FEC_ATSTMP_REG 0x0418 |
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| 221 | |
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| 222 | /* |
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| 223 | * Statistics registers |
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| 224 | */ |
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| 225 | #define FEC_RMON_T_DROP 0x200 |
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| 226 | #define FEC_RMON_T_PACKETS 0x204 |
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| 227 | #define FEC_RMON_T_BC_PKT 0x208 |
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| 228 | #define FEC_RMON_T_MC_PKT 0x20C |
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| 229 | #define FEC_RMON_T_CRC_ALIGN 0x210 |
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| 230 | #define FEC_RMON_T_UNDERSIZE 0x214 |
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| 231 | #define FEC_RMON_T_OVERSIZE 0x218 |
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| 232 | #define FEC_RMON_T_FRAG 0x21C |
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| 233 | #define FEC_RMON_T_JAB 0x220 |
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| 234 | #define FEC_RMON_T_COL 0x224 |
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| 235 | #define FEC_RMON_T_P64 0x228 |
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| 236 | #define FEC_RMON_T_P65TO127 0x22C |
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| 237 | #define FEC_RMON_T_P128TO255 0x230 |
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| 238 | #define FEC_RMON_T_P256TO511 0x234 |
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| 239 | #define FEC_RMON_T_P512TO1023 0x238 |
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| 240 | #define FEC_RMON_T_P1024TO2047 0x23C |
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| 241 | #define FEC_RMON_T_P_GTE2048 0x240 |
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| 242 | #define FEC_RMON_T_OCTECTS 0x240 |
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| 243 | #define FEC_IEEE_T_DROP 0x248 |
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| 244 | #define FEC_IEEE_T_FRAME_OK 0x24C |
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| 245 | #define FEC_IEEE_T_1COL 0x250 |
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| 246 | #define FEC_IEEE_T_MCOL 0x254 |
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| 247 | #define FEC_IEEE_T_DEF 0x258 |
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| 248 | #define FEC_IEEE_T_LCOL 0x25C |
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| 249 | #define FEC_IEEE_T_EXCOL 0x260 |
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| 250 | #define FEC_IEEE_T_MACERR 0x264 |
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| 251 | #define FEC_IEEE_T_CSERR 0x268 |
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| 252 | #define FEC_IEEE_T_SQE 0x26C |
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| 253 | #define FEC_IEEE_T_FDXFC 0x270 |
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| 254 | #define FEC_IEEE_T_OCTETS_OK 0x274 |
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| 255 | #define FEC_RMON_R_PACKETS 0x284 |
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| 256 | #define FEC_RMON_R_BC_PKT 0x288 |
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| 257 | #define FEC_RMON_R_MC_PKT 0x28C |
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| 258 | #define FEC_RMON_R_CRC_ALIGN 0x290 |
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| 259 | #define FEC_RMON_R_UNDERSIZE 0x294 |
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| 260 | #define FEC_RMON_R_OVERSIZE 0x298 |
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| 261 | #define FEC_RMON_R_FRAG 0x29C |
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| 262 | #define FEC_RMON_R_JAB 0x2A0 |
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| 263 | #define FEC_RMON_R_RESVD_0 0x2A4 |
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| 264 | #define FEC_RMON_R_P64 0x2A8 |
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| 265 | #define FEC_RMON_R_P65TO127 0x2AC |
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| 266 | #define FEC_RMON_R_P128TO255 0x2B0 |
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| 267 | #define FEC_RMON_R_P256TO511 0x2B4 |
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| 268 | #define FEC_RMON_R_P512TO1023 0x2B8 |
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| 269 | #define FEC_RMON_R_P1024TO2047 0x2BC |
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| 270 | #define FEC_RMON_R_P_GTE2048 0x2C0 |
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| 271 | #define FEC_RMON_R_OCTETS 0x2C4 |
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| 272 | #define FEC_IEEE_R_DROP 0x2C8 |
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| 273 | #define FEC_IEEE_R_FRAME_OK 0x2CC |
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| 274 | #define FEC_IEEE_R_CRC 0x2D0 |
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| 275 | #define FEC_IEEE_R_ALIGN 0x2D4 |
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| 276 | #define FEC_IEEE_R_MACERR 0x2D8 |
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| 277 | #define FEC_IEEE_R_FDXFC 0x2DC |
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| 278 | #define FEC_IEEE_R_OCTETS_OK 0x2E0 |
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| 279 | |
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| 280 | #define FEC_MIIGSK_CFGR 0x300 |
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| 281 | #define FEC_MIIGSK_CFGR_FRCONT (1 << 6) /* Freq: 0=50MHz, 1=5MHz */ |
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| 282 | #define FEC_MIIGSK_CFGR_LBMODE (1 << 4) /* loopback mode */ |
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| 283 | #define FEC_MIIGSK_CFGR_EMODE (1 << 3) /* echo mode */ |
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| 284 | #define FEC_MIIGSK_CFGR_IF_MODE_MASK (0x3 << 0) |
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| 285 | #define FEC_MIIGSK_CFGR_IF_MODE_MII (0 << 0) |
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| 286 | #define FEC_MIIGSK_CFGR_IF_MODE_RMII (1 << 0) |
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| 287 | |
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| 288 | #define FEC_MIIGSK_ENR 0x308 |
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| 289 | #define FEC_MIIGSK_ENR_READY (1 << 2) |
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| 290 | #define FEC_MIIGSK_ENR_EN (1 << 1) |
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| 291 | |
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| 292 | /* |
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| 293 | * A hardware buffer descriptor. Rx and Tx buffers have the same descriptor |
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| 294 | * layout, but the bits in the flags field have different meanings. |
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| 295 | */ |
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| 296 | struct ffec_hwdesc |
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| 297 | { |
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| 298 | uint32_t flags_len; |
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| 299 | uint32_t buf_paddr; |
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| 300 | uint32_t flags2; |
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| 301 | uint32_t hlen_proto; |
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| 302 | uint32_t bdu; |
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| 303 | uint32_t ts; |
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| 304 | uint32_t res[2]; |
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| 305 | }; |
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| 306 | |
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| 307 | #define FEC_TXDESC_READY (1U << 31) |
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| 308 | #define FEC_TXDESC_T01 (1 << 30) |
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| 309 | #define FEC_TXDESC_WRAP (1 << 29) |
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| 310 | #define FEC_TXDESC_T02 (1 << 28) |
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| 311 | #define FEC_TXDESC_L (1 << 27) |
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| 312 | #define FEC_TXDESC_TC (1 << 26) |
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| 313 | #define FEC_TXDESC_ABC (1 << 25) |
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| 314 | #define FEC_TXDESC_LEN_MASK (0xffff) |
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| 315 | |
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| 316 | #define FEC_TXDESC_INT (1 << 30) |
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| 317 | #define FEC_TXDESC_TS (1 << 29) |
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| 318 | #define FEC_TXDESC_PINS (1 << 28) |
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| 319 | #define FEC_TXDESC_IINS (1 << 27) |
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| 320 | |
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| 321 | #define FEC_RXDESC_EMPTY (1U << 31) |
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| 322 | #define FEC_RXDESC_R01 (1 << 30) |
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| 323 | #define FEC_RXDESC_WRAP (1 << 29) |
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| 324 | #define FEC_RXDESC_R02 (1 << 28) |
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| 325 | #define FEC_RXDESC_L (1 << 27) |
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| 326 | #define FEC_RXDESC_M (1 << 24) |
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| 327 | #define FEC_RXDESC_BC (1 << 23) |
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| 328 | #define FEC_RXDESC_MC (1 << 22) |
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| 329 | #define FEC_RXDESC_LG (1 << 21) |
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| 330 | #define FEC_RXDESC_NO (1 << 20) |
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| 331 | #define FEC_RXDESC_CR (1 << 18) |
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| 332 | #define FEC_RXDESC_OV (1 << 17) |
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| 333 | #define FEC_RXDESC_TR (1 << 16) |
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| 334 | #define FEC_RXDESC_LEN_MASK (0xffff) |
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| 335 | |
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| 336 | #define FEC_RXDESC_INT (1 << 23) |
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| 337 | #define FEC_RXDESC_ICE (1 << 5) |
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| 338 | #define FEC_RXDESC_PCR (1 << 4) |
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| 339 | |
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| 340 | #define FEC_RXDESC_ERROR_BITS (FEC_RXDESC_LG | FEC_RXDESC_NO | \ |
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| 341 | FEC_RXDESC_OV | FEC_RXDESC_TR) |
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| 342 | |
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| 343 | /* |
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| 344 | * The hardware imposes alignment restrictions on various objects involved in |
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| 345 | * DMA transfers. These values are expressed in bytes (not bits). |
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| 346 | */ |
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| 347 | #define FEC_DESC_RING_ALIGN 64 |
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| 348 | |
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| 349 | #endif /* IF_FFECREG_H */ |
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