| 1 | /* |
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| 2 | * Copyright (c) 2008 Stefan Hajnoczi <stefanha@gmail.com> |
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| 3 | * Copyright (c) 2008 Pantelis Koukousoulas <pktoss@gmail.com> |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or |
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| 6 | * modify it under the terms of the GNU General Public License as |
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| 7 | * published by the Free Software Foundation; either version 2 of the |
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| 8 | * License, or any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, but |
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| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | * General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 18 | * |
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| 19 | * This driver is a port of the b44 linux driver version 1.01 |
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| 20 | * |
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| 21 | * Copyright (c) 2002 David S. Miller <davem@redhat.com> |
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| 22 | * Copyright (c) Pekka Pietikainen <pp@ee.oulu.fi> |
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| 23 | * Copyright (C) 2006 Broadcom Corporation. |
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| 24 | * |
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| 25 | * Some ssb bits copied from version 2.0 of the b44 driver |
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| 26 | * Copyright (c) Michael Buesch |
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| 27 | * |
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| 28 | * Copyright (c) a lot of people too. Please respect their work. |
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| 29 | */ |
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| 30 | |
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| 31 | FILE_LICENCE ( GPL2_OR_LATER ); |
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| 32 | |
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| 33 | #ifndef _B44_H |
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| 34 | #define _B44_H |
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| 35 | |
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| 36 | /* BCM44xx Register layout */ |
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| 37 | #define B44_DEVCTRL 0x0000UL /* Device Control */ |
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| 38 | #define DEVCTRL_MPM 0x00000040 /* MP PME Enable (B0 only) */ |
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| 39 | #define DEVCTRL_PFE 0x00000080 /* Pattern Filtering Enable */ |
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| 40 | #define DEVCTRL_IPP 0x00000400 /* Internal EPHY Present */ |
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| 41 | #define DEVCTRL_EPR 0x00008000 /* EPHY Reset */ |
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| 42 | #define DEVCTRL_PME 0x00001000 /* PHY Mode Enable */ |
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| 43 | #define DEVCTRL_PMCE 0x00002000 /* PHY Mode Clocks Enable */ |
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| 44 | #define DEVCTRL_PADDR 0x0007c000 /* PHY Address */ |
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| 45 | #define DEVCTRL_PADDR_SHIFT 18 |
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| 46 | #define B44_BIST_STAT 0x000CUL /* Built-In Self-Test Status */ |
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| 47 | #define B44_WKUP_LEN 0x0010UL /* Wakeup Length */ |
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| 48 | #define WKUP_LEN_P0_MASK 0x0000007f /* Pattern 0 */ |
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| 49 | #define WKUP_LEN_D0 0x00000080 |
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| 50 | #define WKUP_LEN_P1_MASK 0x00007f00 /* Pattern 1 */ |
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| 51 | #define WKUP_LEN_P1_SHIFT 8 |
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| 52 | #define WKUP_LEN_D1 0x00008000 |
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| 53 | #define WKUP_LEN_P2_MASK 0x007f0000 /* Pattern 2 */ |
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| 54 | #define WKUP_LEN_P2_SHIFT 16 |
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| 55 | #define WKUP_LEN_D2 0x00000000 |
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| 56 | #define WKUP_LEN_P3_MASK 0x7f000000 /* Pattern 3 */ |
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| 57 | #define WKUP_LEN_P3_SHIFT 24 |
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| 58 | #define WKUP_LEN_D3 0x80000000 |
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| 59 | #define WKUP_LEN_DISABLE 0x80808080 |
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| 60 | #define WKUP_LEN_ENABLE_TWO 0x80800000 |
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| 61 | #define WKUP_LEN_ENABLE_THREE 0x80000000 |
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| 62 | #define B44_ISTAT 0x0020UL /* Interrupt Status */ |
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| 63 | #define ISTAT_LS 0x00000020 /* Link Change (B0 only) */ |
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| 64 | #define ISTAT_PME 0x00000040 /* Power Management Event */ |
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| 65 | #define ISTAT_TO 0x00000080 /* General Purpose Timeout */ |
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| 66 | #define ISTAT_DSCE 0x00000400 /* Descriptor Error */ |
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| 67 | #define ISTAT_DATAE 0x00000800 /* Data Error */ |
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| 68 | #define ISTAT_DPE 0x00001000 /* Descr. Protocol Error */ |
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| 69 | #define ISTAT_RDU 0x00002000 /* Receive Descr. Underflow */ |
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| 70 | #define ISTAT_RFO 0x00004000 /* Receive FIFO Overflow */ |
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| 71 | #define ISTAT_TFU 0x00008000 /* Transmit FIFO Underflow */ |
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| 72 | #define ISTAT_RX 0x00010000 /* RX Interrupt */ |
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| 73 | #define ISTAT_TX 0x01000000 /* TX Interrupt */ |
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| 74 | #define ISTAT_EMAC 0x04000000 /* EMAC Interrupt */ |
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| 75 | #define ISTAT_MII_WRITE 0x08000000 /* MII Write Interrupt */ |
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| 76 | #define ISTAT_MII_READ 0x10000000 /* MII Read Interrupt */ |
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| 77 | #define ISTAT_ERRORS (ISTAT_DSCE|ISTAT_DATAE|ISTAT_DPE|\ |
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| 78 | ISTAT_RDU|ISTAT_RFO|ISTAT_TFU) |
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| 79 | #define B44_IMASK 0x0024UL /* Interrupt Mask */ |
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| 80 | #define IMASK_DEF (ISTAT_ERRORS | ISTAT_RX | ISTAT_TX) |
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| 81 | #define IMASK_DISABLE 0 |
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| 82 | #define B44_GPTIMER 0x0028UL /* General Purpose Timer */ |
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| 83 | #define B44_ADDR_LO 0x0088UL /* ENET Address Lo (B0 only) */ |
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| 84 | #define B44_ADDR_HI 0x008CUL /* ENET Address Hi (B0 only) */ |
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| 85 | #define B44_FILT_ADDR 0x0090UL /* ENET Filter Address */ |
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| 86 | #define B44_FILT_DATA 0x0094UL /* ENET Filter Data */ |
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| 87 | #define B44_TXBURST 0x00A0UL /* TX Max Burst Length */ |
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| 88 | #define B44_RXBURST 0x00A4UL /* RX Max Burst Length */ |
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| 89 | #define B44_MAC_CTRL 0x00A8UL /* MAC Control */ |
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| 90 | #define MAC_CTRL_CRC32_ENAB 0x00000001 /* CRC32 Generation Enable */ |
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| 91 | #define MAC_CTRL_PHY_PDOWN 0x00000004 /* Onchip EPHY Powerdown */ |
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| 92 | #define MAC_CTRL_PHY_EDET 0x00000008 /* Onchip EPHY Energy Detected*/ |
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| 93 | #define MAC_CTRL_PHY_LEDCTRL 0x000000e0 /* Onchip EPHY LED Control */ |
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| 94 | #define MAC_CTRL_PHY_LEDCTRL_SHIFT 5 |
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| 95 | #define B44_MAC_FLOW 0x00ACUL /* MAC Flow Control */ |
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| 96 | #define MAC_FLOW_RX_HI_WATER 0x000000ff /* Receive FIFO HI Water Mark */ |
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| 97 | #define MAC_FLOW_PAUSE_ENAB 0x00008000 /* Enbl Pause Frm Generation */ |
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| 98 | #define B44_RCV_LAZY 0x0100UL /* Lazy Interrupt Control */ |
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| 99 | #define RCV_LAZY_TO_MASK 0x00ffffff /* Timeout */ |
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| 100 | #define RCV_LAZY_FC_MASK 0xff000000 /* Frame Count */ |
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| 101 | #define RCV_LAZY_FC_SHIFT 24 |
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| 102 | #define B44_DMATX_CTRL 0x0200UL /* DMA TX Control */ |
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| 103 | #define DMATX_CTRL_ENABLE 0x00000001 /* Enable */ |
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| 104 | #define DMATX_CTRL_SUSPEND 0x00000002 /* Suepend Request */ |
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| 105 | #define DMATX_CTRL_LPBACK 0x00000004 /* Loopback Enable */ |
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| 106 | #define DMATX_CTRL_FAIRPRIOR 0x00000008 /* Fair Priority */ |
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| 107 | #define DMATX_CTRL_FLUSH 0x00000010 /* Flush Request */ |
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| 108 | #define B44_DMATX_ADDR 0x0204UL /* DMA TX Descriptor Ring Addr */ |
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| 109 | #define B44_DMATX_PTR 0x0208UL /* DMA TX Last Posted Desc. */ |
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| 110 | #define B44_DMATX_STAT 0x020CUL /* DMA TX Cur Actve Desc. + Sts */ |
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| 111 | #define DMATX_STAT_CDMASK 0x00000fff /* Current Descriptor Mask */ |
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| 112 | #define DMATX_STAT_SMASK 0x0000f000 /* State Mask */ |
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| 113 | #define DMATX_STAT_SDISABLED 0x00000000 /* State Disabled */ |
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| 114 | #define DMATX_STAT_SACTIVE 0x00001000 /* State Active */ |
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| 115 | #define DMATX_STAT_SIDLE 0x00002000 /* State Idle Wait */ |
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| 116 | #define DMATX_STAT_SSTOPPED 0x00003000 /* State Stopped */ |
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| 117 | #define DMATX_STAT_SSUSP 0x00004000 /* State Suspend Pending */ |
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| 118 | #define DMATX_STAT_EMASK 0x000f0000 /* Error Mask */ |
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| 119 | #define DMATX_STAT_ENONE 0x00000000 /* Error None */ |
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| 120 | #define DMATX_STAT_EDPE 0x00010000 /* Error Desc. Protocol Error */ |
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| 121 | #define DMATX_STAT_EDFU 0x00020000 /* Error Data FIFO Underrun */ |
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| 122 | #define DMATX_STAT_EBEBR 0x00030000 /* Bus Error on Buffer Read */ |
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| 123 | #define DMATX_STAT_EBEDA 0x00040000 /* Bus Error on Desc. Access */ |
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| 124 | #define DMATX_STAT_FLUSHED 0x00100000 /* Flushed */ |
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| 125 | #define B44_DMARX_CTRL 0x0210UL /* DMA RX Control */ |
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| 126 | #define DMARX_CTRL_ENABLE 0x00000001 /* Enable */ |
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| 127 | #define DMARX_CTRL_ROMASK 0x000000fe /* Receive Offset Mask */ |
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| 128 | #define DMARX_CTRL_ROSHIFT 1 /* Receive Offset Shift */ |
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| 129 | #define B44_DMARX_ADDR 0x0214UL /* DMA RX Descriptor Ring Addr */ |
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| 130 | #define B44_DMARX_PTR 0x0218UL /* DMA RX Last Posted Desc */ |
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| 131 | #define B44_DMARX_STAT 0x021CUL /* Cur Active Desc. + Status */ |
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| 132 | #define DMARX_STAT_CDMASK 0x00000fff /* Current Descriptor Mask */ |
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| 133 | #define DMARX_STAT_SMASK 0x0000f000 /* State Mask */ |
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| 134 | #define DMARX_STAT_SDISABLED 0x00000000 /* State Disbaled */ |
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| 135 | #define DMARX_STAT_SACTIVE 0x00001000 /* State Active */ |
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| 136 | #define DMARX_STAT_SIDLE 0x00002000 /* State Idle Wait */ |
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| 137 | #define DMARX_STAT_SSTOPPED 0x00003000 /* State Stopped */ |
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| 138 | #define DMARX_STAT_EMASK 0x000f0000 /* Error Mask */ |
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| 139 | #define DMARX_STAT_ENONE 0x00000000 /* Error None */ |
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| 140 | #define DMARX_STAT_EDPE 0x00010000 /* Error Desc. Protocol Error */ |
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| 141 | #define DMARX_STAT_EDFO 0x00020000 /* Error Data FIFO Overflow */ |
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| 142 | #define DMARX_STAT_EBEBW 0x00030000 /* Error on Buffer Write */ |
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| 143 | #define DMARX_STAT_EBEDA 0x00040000 /* Bus Error on Desc. Access */ |
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| 144 | #define B44_DMAFIFO_AD 0x0220UL /* DMA FIFO Diag Address */ |
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| 145 | #define DMAFIFO_AD_OMASK 0x0000ffff /* Offset Mask */ |
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| 146 | #define DMAFIFO_AD_SMASK 0x000f0000 /* Select Mask */ |
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| 147 | #define DMAFIFO_AD_SXDD 0x00000000 /* Select Transmit DMA Data */ |
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| 148 | #define DMAFIFO_AD_SXDP 0x00010000 /* Sel Transmit DMA Pointers */ |
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| 149 | #define DMAFIFO_AD_SRDD 0x00040000 /* Select Receive DMA Data */ |
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| 150 | #define DMAFIFO_AD_SRDP 0x00050000 /* Sel Receive DMA Pointers */ |
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| 151 | #define DMAFIFO_AD_SXFD 0x00080000 /* Select Transmit FIFO Data */ |
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| 152 | #define DMAFIFO_AD_SXFP 0x00090000 /* Sel Transmit FIFO Pointers */ |
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| 153 | #define DMAFIFO_AD_SRFD 0x000c0000 /* Select Receive FIFO Data */ |
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| 154 | #define DMAFIFO_AD_SRFP 0x000c0000 /* Sel Receive FIFO Pointers */ |
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| 155 | #define B44_DMAFIFO_LO 0x0224UL /* DMA FIFO Diag Low Data */ |
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| 156 | #define B44_DMAFIFO_HI 0x0228UL /* DMA FIFO Diag High Data */ |
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| 157 | #define B44_RXCONFIG 0x0400UL /* EMAC RX Config */ |
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| 158 | #define RXCONFIG_DBCAST 0x00000001 /* Disable Broadcast */ |
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| 159 | #define RXCONFIG_ALLMULTI 0x00000002 /* Accept All Multicast */ |
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| 160 | #define RXCONFIG_NORX_WHILE_TX 0x00000004 /* Rcv Disble While TX */ |
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| 161 | #define RXCONFIG_PROMISC 0x00000008 /* Promiscuous Enable */ |
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| 162 | #define RXCONFIG_LPBACK 0x00000010 /* Loopback Enable */ |
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| 163 | #define RXCONFIG_FLOW 0x00000020 /* Flow Control Enable */ |
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| 164 | #define RXCONFIG_FLOW_ACCEPT 0x00000040 /* Accept UFC Frame */ |
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| 165 | #define RXCONFIG_RFILT 0x00000080 /* Reject Filter */ |
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| 166 | #define B44_RXMAXLEN 0x0404UL /* EMAC RX Max Packet Length */ |
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| 167 | #define B44_TXMAXLEN 0x0408UL /* EMAC TX Max Packet Length */ |
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| 168 | #define B44_MDIO_CTRL 0x0410UL /* EMAC MDIO Control */ |
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| 169 | #define MDIO_CTRL_MAXF_MASK 0x0000007f /* MDC Frequency */ |
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| 170 | #define MDIO_CTRL_PREAMBLE 0x00000080 /* MII Preamble Enable */ |
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| 171 | #define B44_MDIO_DATA 0x0414UL /* EMAC MDIO Data */ |
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| 172 | #define MDIO_DATA_DATA 0x0000ffff /* R/W Data */ |
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| 173 | #define MDIO_DATA_TA_MASK 0x00030000 /* Turnaround Value */ |
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| 174 | #define MDIO_DATA_TA_SHIFT 16 |
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| 175 | #define MDIO_TA_VALID 2 |
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| 176 | #define MDIO_DATA_RA_MASK 0x007c0000 /* Register Address */ |
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| 177 | #define MDIO_DATA_RA_SHIFT 18 |
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| 178 | #define MDIO_DATA_PMD_MASK 0x0f800000 /* Physical Media Device */ |
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| 179 | #define MDIO_DATA_PMD_SHIFT 23 |
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| 180 | #define MDIO_DATA_OP_MASK 0x30000000 /* Opcode */ |
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| 181 | #define MDIO_DATA_OP_SHIFT 28 |
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| 182 | #define MDIO_OP_WRITE 1 |
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| 183 | #define MDIO_OP_READ 2 |
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| 184 | #define MDIO_DATA_SB_MASK 0xc0000000 /* Start Bits */ |
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| 185 | #define MDIO_DATA_SB_SHIFT 30 |
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| 186 | #define MDIO_DATA_SB_START 0x40000000 /* Start Of Frame */ |
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| 187 | #define B44_EMAC_IMASK 0x0418UL /* EMAC Interrupt Mask */ |
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| 188 | #define B44_EMAC_ISTAT 0x041CUL /* EMAC Interrupt Status */ |
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| 189 | #define EMAC_INT_MII 0x00000001 /* MII MDIO Interrupt */ |
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| 190 | #define EMAC_INT_MIB 0x00000002 /* MIB Interrupt */ |
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| 191 | #define EMAC_INT_FLOW 0x00000003 /* Flow Control Interrupt */ |
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| 192 | #define B44_CAM_DATA_LO 0x0420UL /* EMAC CAM Data Low */ |
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| 193 | #define B44_CAM_DATA_HI 0x0424UL /* EMAC CAM Data High */ |
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| 194 | #define CAM_DATA_HI_VALID 0x00010000 /* Valid Bit */ |
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| 195 | #define B44_CAM_CTRL 0x0428UL /* EMAC CAM Control */ |
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| 196 | #define CAM_CTRL_ENABLE 0x00000001 /* CAM Enable */ |
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| 197 | #define CAM_CTRL_MSEL 0x00000002 /* Mask Select */ |
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| 198 | #define CAM_CTRL_READ 0x00000004 /* Read */ |
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| 199 | #define CAM_CTRL_WRITE 0x00000008 /* Read */ |
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| 200 | #define CAM_CTRL_INDEX_MASK 0x003f0000 /* Index Mask */ |
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| 201 | #define CAM_CTRL_INDEX_SHIFT 16 |
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| 202 | #define CAM_CTRL_BUSY 0x80000000 /* CAM Busy */ |
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| 203 | #define B44_ENET_CTRL 0x042CUL /* EMAC ENET Control */ |
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| 204 | #define ENET_CTRL_ENABLE 0x00000001 /* EMAC Enable */ |
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| 205 | #define ENET_CTRL_DISABLE 0x00000002 /* EMAC Disable */ |
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| 206 | #define ENET_CTRL_SRST 0x00000004 /* EMAC Soft Reset */ |
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| 207 | #define ENET_CTRL_EPSEL 0x00000008 /* External PHY Select */ |
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| 208 | #define B44_TX_CTRL 0x0430UL /* EMAC TX Control */ |
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| 209 | #define TX_CTRL_DUPLEX 0x00000001 /* Full Duplex */ |
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| 210 | #define TX_CTRL_FMODE 0x00000002 /* Flow Mode */ |
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| 211 | #define TX_CTRL_SBENAB 0x00000004 /* Single Backoff Enable */ |
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| 212 | #define TX_CTRL_SMALL_SLOT 0x00000008 /* Small Slottime */ |
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| 213 | #define B44_TX_HIWMARK 0x0434UL /* EMAC TX High Watermark */ |
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| 214 | #define TX_HIWMARK_DEFLT 56 /* Default used in all drivers */ |
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| 215 | #define B44_MIB_CTRL 0x0438UL /* EMAC MIB Control */ |
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| 216 | #define MIB_CTRL_CLR_ON_READ 0x00000001 /* Autoclear on Read */ |
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| 217 | #define B44_TX_GOOD_O 0x0500UL /* MIB TX Good Octets */ |
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| 218 | #define B44_TX_GOOD_P 0x0504UL /* MIB TX Good Packets */ |
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| 219 | #define B44_TX_O 0x0508UL /* MIB TX Octets */ |
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| 220 | #define B44_TX_P 0x050CUL /* MIB TX Packets */ |
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| 221 | #define B44_TX_BCAST 0x0510UL /* MIB TX Broadcast Packets */ |
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| 222 | #define B44_TX_MCAST 0x0514UL /* MIB TX Multicast Packets */ |
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| 223 | #define B44_TX_64 0x0518UL /* MIB TX <= 64 byte Packets */ |
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| 224 | #define B44_TX_65_127 0x051CUL /* MIB TX 65 to 127 byte Pkts */ |
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| 225 | #define B44_TX_128_255 0x0520UL /* MIB TX 128 to 255 byte Pkts */ |
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| 226 | #define B44_TX_256_511 0x0524UL /* MIB TX 256 to 511 byte Pkts */ |
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| 227 | #define B44_TX_512_1023 0x0528UL /* MIB TX 512 to 1023 byte Pkts */ |
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| 228 | #define B44_TX_1024_MAX 0x052CUL /* MIB TX 1024 to max byte Pkts */ |
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| 229 | #define B44_TX_JABBER 0x0530UL /* MIB TX Jabber Packets */ |
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| 230 | #define B44_TX_OSIZE 0x0534UL /* MIB TX Oversize Packets */ |
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| 231 | #define B44_TX_FRAG 0x0538UL /* MIB TX Fragment Packets */ |
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| 232 | #define B44_TX_URUNS 0x053CUL /* MIB TX Underruns */ |
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| 233 | #define B44_TX_TCOLS 0x0540UL /* MIB TX Total Collisions */ |
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| 234 | #define B44_TX_SCOLS 0x0544UL /* MIB TX Single Collisions */ |
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| 235 | #define B44_TX_MCOLS 0x0548UL /* MIB TX Multiple Collisions */ |
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| 236 | #define B44_TX_ECOLS 0x054CUL /* MIB TX Excessive Collisions */ |
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| 237 | #define B44_TX_LCOLS 0x0550UL /* MIB TX Late Collisions */ |
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| 238 | #define B44_TX_DEFERED 0x0554UL /* MIB TX Defered Packets */ |
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| 239 | #define B44_TX_CLOST 0x0558UL /* MIB TX Carrier Lost */ |
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| 240 | #define B44_TX_PAUSE 0x055CUL /* MIB TX Pause Packets */ |
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| 241 | #define B44_RX_GOOD_O 0x0580UL /* MIB RX Good Octets */ |
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| 242 | #define B44_RX_GOOD_P 0x0584UL /* MIB RX Good Packets */ |
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| 243 | #define B44_RX_O 0x0588UL /* MIB RX Octets */ |
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| 244 | #define B44_RX_P 0x058CUL /* MIB RX Packets */ |
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| 245 | #define B44_RX_BCAST 0x0590UL /* MIB RX Broadcast Packets */ |
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| 246 | #define B44_RX_MCAST 0x0594UL /* MIB RX Multicast Packets */ |
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| 247 | #define B44_RX_64 0x0598UL /* MIB RX <= 64 byte Packets */ |
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| 248 | #define B44_RX_65_127 0x059CUL /* MIB RX 65 to 127 byte Pkts */ |
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| 249 | #define B44_RX_128_255 0x05A0UL /* MIB RX 128 to 255 byte Pkts */ |
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| 250 | #define B44_RX_256_511 0x05A4UL /* MIB RX 256 to 511 byte Pkts */ |
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| 251 | #define B44_RX_512_1023 0x05A8UL /* MIB RX 512 to 1023 byte Pkts */ |
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| 252 | #define B44_RX_1024_MAX 0x05ACUL /* MIB RX 1024 to max byte Pkts */ |
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| 253 | #define B44_RX_JABBER 0x05B0UL /* MIB RX Jabber Packets */ |
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| 254 | #define B44_RX_OSIZE 0x05B4UL /* MIB RX Oversize Packets */ |
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| 255 | #define B44_RX_FRAG 0x05B8UL /* MIB RX Fragment Packets */ |
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| 256 | #define B44_RX_MISS 0x05BCUL /* MIB RX Missed Packets */ |
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| 257 | #define B44_RX_CRCA 0x05C0UL /* MIB RX CRC Align Errors */ |
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| 258 | #define B44_RX_USIZE 0x05C4UL /* MIB RX Undersize Packets */ |
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| 259 | #define B44_RX_CRC 0x05C8UL /* MIB RX CRC Errors */ |
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| 260 | #define B44_RX_ALIGN 0x05CCUL /* MIB RX Align Errors */ |
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| 261 | #define B44_RX_SYM 0x05D0UL /* MIB RX Symbol Errors */ |
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| 262 | #define B44_RX_PAUSE 0x05D4UL /* MIB RX Pause Packets */ |
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| 263 | #define B44_RX_NPAUSE 0x05D8UL /* MIB RX Non-Pause Packets */ |
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| 264 | |
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| 265 | /* Sonics Silicon backplane register definitions */ |
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| 266 | #define B44_SBIMSTATE 0x0F90UL /* SB Initiator Agent State */ |
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| 267 | #define SBIMSTATE_PC 0x0000000f /* Pipe Count */ |
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| 268 | #define SBIMSTATE_AP_MASK 0x00000030 /* Arbitration Priority */ |
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| 269 | #define SBIMSTATE_AP_BOTH 0x00000000 /* both timeslices and token */ |
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| 270 | #define SBIMSTATE_AP_TS 0x00000010 /* Use timeslices only */ |
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| 271 | #define SBIMSTATE_AP_TK 0x00000020 /* Use token only */ |
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| 272 | #define SBIMSTATE_AP_RSV 0x00000030 /* Reserved */ |
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| 273 | #define SBIMSTATE_IBE 0x00020000 /* In Band Error */ |
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| 274 | #define SBIMSTATE_TO 0x00040000 /* Timeout */ |
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| 275 | #define SBIMSTATE_BAD ( SBIMSTATE_IBE | SBIMSTATE_TO ) |
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| 276 | #define B44_SBINTVEC 0x0F94UL /* SB Interrupt Mask */ |
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| 277 | #define SBINTVEC_PCI 0x00000001 /* Enable interrupts for PCI */ |
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| 278 | #define SBINTVEC_ENET0 0x00000002 /* Enable ints for enet 0 */ |
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| 279 | #define SBINTVEC_ILINE20 0x00000004 /* Enable ints for iline20 */ |
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| 280 | #define SBINTVEC_CODEC 0x00000008 /* Enable ints for v90 codec */ |
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| 281 | #define SBINTVEC_USB 0x00000010 /* Enable intts for usb */ |
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| 282 | #define SBINTVEC_EXTIF 0x00000020 /* Enable ints for ext i/f */ |
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| 283 | #define SBINTVEC_ENET1 0x00000040 /* Enable ints for enet 1 */ |
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| 284 | #define B44_SBTMSLOW 0x0F98UL /* SB Target State Low */ |
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| 285 | #define SBTMSLOW_RESET 0x00000001 /* Reset */ |
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| 286 | #define SBTMSLOW_REJECT 0x00000002 /* Reject */ |
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| 287 | #define SBTMSLOW_CLOCK 0x00010000 /* Clock Enable */ |
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| 288 | #define SBTMSLOW_FGC 0x00020000 /* Force Gated Clocks On */ |
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| 289 | #define SBTMSLOW_PE 0x40000000 /* Power Management Enable */ |
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| 290 | #define SBTMSLOW_BE 0x80000000 /* BIST Enable */ |
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| 291 | #define B44_SBTMSHIGH 0x0F9CUL /* SB Target State High */ |
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| 292 | #define SBTMSHIGH_SERR 0x00000001 /* S-error */ |
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| 293 | #define SBTMSHIGH_INT 0x00000002 /* Interrupt */ |
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| 294 | #define SBTMSHIGH_BUSY 0x00000004 /* Busy */ |
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| 295 | #define SBTMSHIGH_GCR 0x20000000 /* Gated Clock Request */ |
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| 296 | #define SBTMSHIGH_BISTF 0x40000000 /* BIST Failed */ |
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| 297 | #define SBTMSHIGH_BISTD 0x80000000 /* BIST Done */ |
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| 298 | #define B44_SBIDHIGH 0x0FFCUL /* SB Identification High */ |
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| 299 | #define SBIDHIGH_RC_MASK 0x0000000f /* Revision Code */ |
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| 300 | #define SBIDHIGH_CC_MASK 0x0000fff0 /* Core Code */ |
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| 301 | #define SBIDHIGH_CC_SHIFT 4 |
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| 302 | #define SBIDHIGH_VC_MASK 0xffff0000 /* Vendor Code */ |
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| 303 | #define SBIDHIGH_VC_SHIFT 16 |
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| 304 | |
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| 305 | /* SSB PCI config space registers. */ |
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| 306 | #define SSB_PMCSR 0x44 |
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| 307 | #define SSB_PE 0x100 |
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| 308 | #define SSB_BAR0_WIN 0x80 |
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| 309 | #define SSB_BAR1_WIN 0x84 |
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| 310 | #define SSB_SPROM_CONTROL 0x88 |
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| 311 | #define SSB_BAR1_CONTROL 0x8c |
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| 312 | |
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| 313 | /* SSB core and host control registers. */ |
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| 314 | #define SSB_CONTROL 0x0000UL |
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| 315 | #define SSB_ARBCONTROL 0x0010UL |
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| 316 | #define SSB_ISTAT 0x0020UL |
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| 317 | #define SSB_IMASK 0x0024UL |
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| 318 | #define SSB_MBOX 0x0028UL |
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| 319 | #define SSB_BCAST_ADDR 0x0050UL |
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| 320 | #define SSB_BCAST_DATA 0x0054UL |
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| 321 | #define SSB_PCI_TRANS_0 0x0100UL |
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| 322 | #define SSB_PCI_TRANS_1 0x0104UL |
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| 323 | #define SSB_PCI_TRANS_2 0x0108UL |
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| 324 | #define SSB_SPROM 0x0800UL |
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| 325 | |
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| 326 | #define SSB_PCI_MEM 0x00000000 |
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| 327 | #define SSB_PCI_IO 0x00000001 |
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| 328 | #define SSB_PCI_CFG0 0x00000002 |
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| 329 | #define SSB_PCI_CFG1 0x00000003 |
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| 330 | #define SSB_PCI_PREF 0x00000004 |
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| 331 | #define SSB_PCI_BURST 0x00000008 |
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| 332 | #define SSB_PCI_MASK0 0xfc000000 |
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| 333 | #define SSB_PCI_MASK1 0xfc000000 |
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| 334 | #define SSB_PCI_MASK2 0xc0000000 |
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| 335 | |
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| 336 | /* 4400 PHY registers */ |
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| 337 | #define B44_MII_AUXCTRL 24 /* Auxiliary Control */ |
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| 338 | #define MII_AUXCTRL_DUPLEX 0x0001 /* Full Duplex */ |
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| 339 | #define MII_AUXCTRL_SPEED 0x0002 /* 1=100Mbps, 0=10Mbps */ |
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| 340 | #define MII_AUXCTRL_FORCED 0x0004 /* Forced 10/100 */ |
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| 341 | #define B44_MII_ALEDCTRL 26 /* Activity LED */ |
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| 342 | #define MII_ALEDCTRL_ALLMSK 0x7fff |
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| 343 | #define B44_MII_TLEDCTRL 27 /* Traffic Meter LED */ |
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| 344 | #define MII_TLEDCTRL_ENABLE 0x0040 |
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| 345 | |
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| 346 | /* RX/TX descriptor */ |
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| 347 | struct dma_desc { |
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| 348 | u32 ctrl; /* length of data and flags */ |
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| 349 | u32 addr; /* address of data */ |
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| 350 | }; |
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| 351 | |
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| 352 | /* There are only 12 bits in the DMA engine for descriptor offsetting |
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| 353 | * so the table must be aligned on a boundary of this. |
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| 354 | */ |
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| 355 | #define B44_DMA_ALIGNMENT 4096 |
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| 356 | |
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| 357 | /* The DMA engine can only address the first gigabyte of address space |
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| 358 | */ |
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| 359 | #define B44_30BIT_DMA_MASK 0x3fffffff |
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| 360 | |
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| 361 | #define DESC_CTRL_LEN 0x00001fff |
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| 362 | #define DESC_CTRL_CMASK 0x0ff00000 /* Core specific bits */ |
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| 363 | #define DESC_CTRL_EOT 0x10000000 /* End of Table */ |
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| 364 | #define DESC_CTRL_IOC 0x20000000 /* Interrupt On Completion */ |
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| 365 | #define DESC_CTRL_EOF 0x40000000 /* End of Frame */ |
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| 366 | #define DESC_CTRL_SOF 0x80000000 /* Start of Frame */ |
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| 367 | |
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| 368 | struct rx_header { |
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| 369 | u16 len; |
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| 370 | u16 flags; |
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| 371 | u16 pad[12]; |
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| 372 | }; |
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| 373 | #define RX_HEADER_LEN 28 |
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| 374 | |
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| 375 | #define RX_FLAG_OFIFO 0x00000001 /* FIFO Overflow */ |
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| 376 | #define RX_FLAG_CRCERR 0x00000002 /* CRC Error */ |
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| 377 | #define RX_FLAG_SERR 0x00000004 /* Receive Symbol Error */ |
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| 378 | #define RX_FLAG_ODD 0x00000008 /* Frame has odd number of nibbles */ |
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| 379 | #define RX_FLAG_LARGE 0x00000010 /* Frame is > RX MAX Length */ |
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| 380 | #define RX_FLAG_MCAST 0x00000020 /* Dest is Multicast Address */ |
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| 381 | #define RX_FLAG_BCAST 0x00000040 /* Dest is Broadcast Address */ |
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| 382 | #define RX_FLAG_MISS 0x00000080 /* Received due to promisc mode */ |
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| 383 | #define RX_FLAG_LAST 0x00000800 /* Last buffer in frame */ |
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| 384 | #define RX_FLAG_ERRORS (RX_FLAG_ODD | RX_FLAG_SERR |\ |
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| 385 | RX_FLAG_CRCERR | RX_FLAG_OFIFO) |
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| 386 | |
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| 387 | /* Client Mode PCI memory access space (1 GB) */ |
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| 388 | #define SB_PCI_DMA 0x40000000 |
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| 389 | |
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| 390 | /* Address of PCI core on BCM4400 cards */ |
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| 391 | #define BCM4400_PCI_CORE_ADDR 0x18002000 |
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| 392 | |
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| 393 | /* Hardware minimum and maximum for a single frame's data payload */ |
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| 394 | #define B44_MIN_MTU 60 |
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| 395 | #define B44_MAX_MTU 1500 |
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| 396 | |
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| 397 | #define B44_RING_SIZE 8 |
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| 398 | #define B44_RING_LAST ( B44_RING_SIZE - 1 ) |
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| 399 | |
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| 400 | #define B44_RX_RING_LEN_BYTES ( sizeof bp->rx[0] * B44_RING_SIZE ) |
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| 401 | #define B44_TX_RING_LEN_BYTES ( sizeof bp->tx[0] * B44_RING_SIZE ) |
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| 402 | |
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| 403 | #define RX_PKT_OFFSET 30 |
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| 404 | #define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET + 64) |
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| 405 | |
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| 406 | #define B44_FULL_RESET 1 |
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| 407 | #define B44_FULL_RESET_SKIP_PHY 2 |
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| 408 | #define B44_PARTIAL_RESET 3 |
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| 409 | #define B44_CHIP_RESET_FULL 4 |
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| 410 | #define B44_CHIP_RESET_PARTIAL 5 |
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| 411 | |
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| 412 | #define SSB_CORE_DOWN ( SBTMSLOW_RESET | SBTMSLOW_REJECT ) |
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| 413 | |
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| 414 | #define B44_REGS_SIZE 8192 |
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| 415 | |
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| 416 | /** Driver private state */ |
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| 417 | struct b44_private { |
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| 418 | struct net_device *netdev; |
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| 419 | struct pci_device *pci; |
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| 420 | u8 *regs; /* memory-mapped registers */ |
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| 421 | u8 phy_addr; |
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| 422 | |
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| 423 | struct dma_desc *tx; |
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| 424 | struct io_buffer *tx_iobuf[B44_RING_SIZE]; |
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| 425 | u32 tx_cur; /* next available descriptor */ |
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| 426 | u32 tx_dirty; /* oldest pending descriptor */ |
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| 427 | |
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| 428 | struct dma_desc *rx; |
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| 429 | struct io_buffer *rx_iobuf[B44_RING_SIZE]; |
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| 430 | u32 rx_cur; /* next descriptor to read */ |
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| 431 | }; |
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| 432 | |
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| 433 | |
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| 434 | static void ssb_core_reset ( struct b44_private *bp ); |
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| 435 | static void ssb_core_disable ( struct b44_private *bp ); |
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| 436 | static u32 ssb_pci_setup ( struct b44_private *bp, u32 cores ); |
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| 437 | |
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| 438 | static void b44_chip_reset ( struct b44_private *bp, int reset_kind ); |
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| 439 | static void b44_init_hw ( struct b44_private *bp, int reset_kind ); |
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| 440 | static void b44_cam_write ( struct b44_private *bp, u8 *data, int index ); |
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| 441 | static void b44_set_mac_addr ( struct b44_private *bp ); |
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| 442 | static void b44_set_rx_mode ( struct net_device *netdev ); |
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| 443 | static void b44_halt(struct b44_private *); |
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| 444 | |
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| 445 | static int b44_phy_reset ( struct b44_private *bp ); |
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| 446 | static int b44_phy_write ( struct b44_private *bp, int reg, u32 val ); |
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| 447 | static int b44_phy_read ( struct b44_private *bp, int reg, u32 *val ); |
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| 448 | |
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| 449 | static int b44_init_tx_ring ( struct b44_private *bp ); |
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| 450 | static void b44_free_tx_ring ( struct b44_private *bp ); |
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| 451 | static int b44_init_rx_ring ( struct b44_private *bp ); |
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| 452 | static void b44_free_rx_ring ( struct b44_private *bp ); |
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| 453 | static void b44_rx_refill ( struct b44_private *bp, u32 pending ); |
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| 454 | static void b44_populate_rx_descriptor (struct b44_private *bp, u32 index); |
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| 455 | |
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| 456 | static int b44_probe ( struct pci_device *pci, |
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| 457 | const struct pci_device_id *id ); |
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| 458 | static void b44_remove ( struct pci_device *pci ); |
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| 459 | |
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| 460 | static int b44_open ( struct net_device *netdev ); |
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| 461 | static void b44_close ( struct net_device *netdev ); |
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| 462 | static void b44_irq ( struct net_device *netdev, int enable ); |
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| 463 | static void b44_poll ( struct net_device *netdev ); |
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| 464 | static void b44_process_rx_packets ( struct b44_private *bp ); |
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| 465 | static int b44_transmit ( struct net_device *netdev, |
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| 466 | struct io_buffer *iobuf ); |
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| 467 | |
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| 468 | static struct net_device_operations b44_operations; |
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| 469 | |
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| 470 | #endif /* _B44_H */ |
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