package/linux/kernel-source/include/bcmenet47xx.h

   1 /*
   2  * Hardware-specific definitions for
   3  * Broadcom BCM47XX 10/100 Mbps Ethernet cores.
   4  *
   5  * Copyright 2004, Broadcom Corporation
   6  * All Rights Reserved.
   7  *
   8  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   9  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
  10  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  11  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  12  * $Id$
  13  */
  14
  15 #ifndef _bcmenet_47xx_h_
  16 #define _bcmenet_47xx_h_
  17
  18 #include <bcmdevs.h>
  19 #include <hnddma.h>
  20
  21 #define BCMENET_NFILTERS        64              /* # ethernet address filter entries */
  22 #define BCMENET_MCHASHBASE      0x200           /* multicast hash filter base address */
  23 #define BCMENET_MCHASHSIZE      256             /* multicast hash filter size in bytes */
  24 #define BCMENET_MAX_DMA         4096            /* chip has 12 bits of DMA addressing */
  25
  26 /* power management event wakeup pattern constants */
  27 #define BCMENET_NPMP            4               /* chip supports 4 wakeup patterns */
  28 #define BCMENET_PMPBASE         0x400           /* wakeup pattern base address */
  29 #define BCMENET_PMPSIZE         0x80            /* 128bytes each pattern */
  30 #define BCMENET_PMMBASE         0x600           /* wakeup mask base address */
  31 #define BCMENET_PMMSIZE         0x10            /* 128bits each mask */
  32
  33 /* cpp contortions to concatenate w/arg prescan */
  34 #ifndef PAD
  35 #define _PADLINE(line)  pad ## line
  36 #define _XSTR(line)     _PADLINE(line)
  37 #define PAD             _XSTR(__LINE__)
  38 #endif  /* PAD */
  39
  40 /* sometimes you just need the enet mib definitions */
  41 #include <bcmenetmib.h>
  42
  43 /*
  44  * Host Interface Registers
  45  */
  46 typedef volatile struct _bcmenettregs {
  47         /* Device and Power Control */
  48         uint32  devcontrol;
  49         uint32  PAD[2];
  50         uint32  biststatus;
  51         uint32  wakeuplength;
  52         uint32  PAD[3];
  53
  54         /* Interrupt Control */
  55         uint32  intstatus;
  56         uint32  intmask;
  57         uint32  gptimer;
  58         uint32  PAD[23];
  59
  60         /* Ethernet MAC Address Filtering Control */
  61         uint32  PAD[2];
  62         uint32  enetftaddr;
  63         uint32  enetftdata;
  64         uint32  PAD[2];
  65
  66         /* Ethernet MAC Control */
  67         uint32  emactxmaxburstlen;
  68         uint32  emacrxmaxburstlen;
  69         uint32  emaccontrol;
  70         uint32  emacflowcontrol;
  71
  72         uint32  PAD[20];
  73
  74         /* DMA Lazy Interrupt Control */
  75         uint32  intrecvlazy;
  76         uint32  PAD[63];
  77
  78         /* DMA engine */
  79         dmaregs_t       dmaregs;
  80         dmafifo_t       dmafifo;
  81         uint32  PAD[116];
  82
  83         /* EMAC Registers */
  84         uint32 rxconfig;
  85         uint32 rxmaxlength;
  86         uint32 txmaxlength;
  87         uint32 PAD;
  88         uint32 mdiocontrol;
  89         uint32 mdiodata;
  90         uint32 emacintmask;
  91         uint32 emacintstatus;
  92         uint32 camdatalo;
  93         uint32 camdatahi;
  94         uint32 camcontrol;
  95         uint32 enetcontrol;
  96         uint32 txcontrol;
  97         uint32 txwatermark;
  98         uint32 mibcontrol;
  99         uint32 PAD[49];
 100
 101         /* EMAC MIB counters */
 102         bcmenetmib_t    mib;
 103
 104         uint32  PAD[585];
 105
 106         /* Sonics SiliconBackplane config registers */
 107         sbconfig_t      sbconfig;
 108 } bcmenetregs_t;
 109
 110 /* device control */
 111 #define DC_PM           ((uint32)1 << 7)        /* pattern filtering enable */
 112 #define DC_IP           ((uint32)1 << 10)       /* internal ephy present (rev >= 1) */
 113 #define DC_ER           ((uint32)1 << 15)       /* ephy reset */
 114 #define DC_MP           ((uint32)1 << 16)       /* mii phy mode enable */
 115 #define DC_CO           ((uint32)1 << 17)       /* mii phy mode: enable clocks */
 116 #define DC_PA_MASK      0x7c0000                /* mii phy mode: mdc/mdio phy address */
 117 #define DC_PA_SHIFT     18
 118
 119 /* wakeup length */
 120 #define WL_P0_MASK      0x7f                    /* pattern 0 */
 121 #define WL_D0           ((uint32)1 << 7)
 122 #define WL_P1_MASK      0x7f00                  /* pattern 1 */
 123 #define WL_P1_SHIFT     8
 124 #define WL_D1           ((uint32)1 << 15)
 125 #define WL_P2_MASK      0x7f0000                /* pattern 2 */
 126 #define WL_P2_SHIFT     16
 127 #define WL_D2           ((uint32)1 << 23)
 128 #define WL_P3_MASK      0x7f000000              /* pattern 3 */
 129 #define WL_P3_SHIFT     24
 130 #define WL_D3           ((uint32)1 << 31)
 131
 132 /* intstatus and intmask */
 133 #define I_PME           ((uint32)1 << 6)        /* power management event */
 134 #define I_TO            ((uint32)1 << 7)        /* general purpose timeout */
 135 #define I_PC            ((uint32)1 << 10)       /* descriptor error */
 136 #define I_PD            ((uint32)1 << 11)       /* data error */
 137 #define I_DE            ((uint32)1 << 12)       /* descriptor protocol error */
 138 #define I_RU            ((uint32)1 << 13)       /* receive descriptor underflow */
 139 #define I_RO            ((uint32)1 << 14)       /* receive fifo overflow */
 140 #define I_XU            ((uint32)1 << 15)       /* transmit fifo underflow */
 141 #define I_RI            ((uint32)1 << 16)       /* receive interrupt */
 142 #define I_XI            ((uint32)1 << 24)       /* transmit interrupt */
 143 #define I_EM            ((uint32)1 << 26)       /* emac interrupt */
 144 #define I_MW            ((uint32)1 << 27)       /* mii write */
 145 #define I_MR            ((uint32)1 << 28)       /* mii read */
 146
 147 /* emaccontrol */
 148 #define EMC_CG          ((uint32)1 << 0)        /* crc32 generation enable */
 149 #define EMC_EP          ((uint32)1 << 2)        /* onchip ephy: powerdown (rev >= 1) */
 150 #define EMC_ED          ((uint32)1 << 3)        /* onchip ephy: energy detected (rev >= 1) */
 151 #define EMC_LC_MASK     0xe0                    /* onchip ephy: led control (rev >= 1) */
 152 #define EMC_LC_SHIFT    5
 153
 154 /* emacflowcontrol */
 155 #define EMF_RFH_MASK    0xff                    /* rx fifo hi water mark */
 156 #define EMF_PG          ((uint32)1 << 15)       /* enable pause frame generation */
 157
 158 /* interrupt receive lazy */
 159 #define IRL_TO_MASK     0x00ffffff              /* timeout */
 160 #define IRL_FC_MASK     0xff000000              /* frame count */
 161 #define IRL_FC_SHIFT    24                      /* frame count */
 162
 163 /* emac receive config */
 164 #define ERC_DB          ((uint32)1 << 0)        /* disable broadcast */
 165 #define ERC_AM          ((uint32)1 << 1)        /* accept all multicast */
 166 #define ERC_RDT         ((uint32)1 << 2)        /* receive disable while transmitting */
 167 #define ERC_PE          ((uint32)1 << 3)        /* promiscuous enable */
 168 #define ERC_LE          ((uint32)1 << 4)        /* loopback enable */
 169 #define ERC_FE          ((uint32)1 << 5)        /* enable flow control */
 170 #define ERC_UF          ((uint32)1 << 6)        /* accept unicast flow control frame */
 171 #define ERC_RF          ((uint32)1 << 7)        /* reject filter */
 172
 173 /* emac mdio control */
 174 #define MC_MF_MASK      0x7f                    /* mdc frequency */
 175 #define MC_PE           ((uint32)1 << 7)        /* mii preamble enable */
 176
 177 /* emac mdio data */
 178 #define MD_DATA_MASK    0xffff                  /* r/w data */
 179 #define MD_TA_MASK      0x30000                 /* turnaround value */
 180 #define MD_TA_SHIFT     16
 181 #define MD_TA_VALID     (2 << MD_TA_SHIFT)      /* valid ta */
 182 #define MD_RA_MASK      0x7c0000                /* register address */
 183 #define MD_RA_SHIFT     18
 184 #define MD_PMD_MASK     0xf800000               /* physical media device */
 185 #define MD_PMD_SHIFT    23
 186 #define MD_OP_MASK      0x30000000              /* opcode */
 187 #define MD_OP_SHIFT     28
 188 #define MD_OP_WRITE     (1 << MD_OP_SHIFT)      /* write op */
 189 #define MD_OP_READ      (2 << MD_OP_SHIFT)      /* read op */
 190 #define MD_SB_MASK      0xc0000000              /* start bits */
 191 #define MD_SB_SHIFT     30
 192 #define MD_SB_START     (0x1 << MD_SB_SHIFT)    /* start of frame */
 193
 194 /* emac intstatus and intmask */
 195 #define EI_MII          ((uint32)1 << 0)        /* mii mdio interrupt */
 196 #define EI_MIB          ((uint32)1 << 1)        /* mib interrupt */
 197 #define EI_FLOW         ((uint32)1 << 2)        /* flow control interrupt */
 198
 199 /* emac cam data high */
 200 #define CD_V            ((uint32)1 << 16)       /* valid bit */
 201
 202 /* emac cam control */
 203 #define CC_CE           ((uint32)1 << 0)        /* cam enable */
 204 #define CC_MS           ((uint32)1 << 1)        /* mask select */
 205 #define CC_RD           ((uint32)1 << 2)        /* read */
 206 #define CC_WR           ((uint32)1 << 3)        /* write */
 207 #define CC_INDEX_MASK   0x3f0000                /* index */
 208 #define CC_INDEX_SHIFT  16
 209 #define CC_CB           ((uint32)1 << 31)       /* cam busy */
 210
 211 /* emac ethernet control */
 212 #define EC_EE           ((uint32)1 << 0)        /* emac enable */
 213 #define EC_ED           ((uint32)1 << 1)        /* emac disable */
 214 #define EC_ES           ((uint32)1 << 2)        /* emac soft reset */
 215 #define EC_EP           ((uint32)1 << 3)        /* external phy select */
 216
 217 /* emac transmit control */
 218 #define EXC_FD          ((uint32)1 << 0)        /* full duplex */
 219 #define EXC_FM          ((uint32)1 << 1)        /* flowmode */
 220 #define EXC_SB          ((uint32)1 << 2)        /* single backoff enable */
 221 #define EXC_SS          ((uint32)1 << 3)        /* small slottime */
 222
 223 /* emac mib control */
 224 #define EMC_RZ          ((uint32)1 << 0)        /* autoclear on read */
 225
 226 /* sometimes you just need the enet rxheader definitions */
 227 #include <bcmenetrxh.h>
 228
 229 #endif  /* _bcmenet_47xx_h_ */