1 /******************************************************************************* 2 3 Intel PRO/1000 Linux driver 4 Copyright(c) 1999 - 2006 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, see <http://www.gnu.org/licenses/>. 17 18 The full GNU General Public License is included in this distribution in 19 the file called "COPYING". 20 21 Contact Information: 22 Linux NICS <linux.nics@intel.com> 23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 26 *******************************************************************************/ 27 28 /* e1000_hw.h 29 * Structures, enums, and macros for the MAC 30 */ 31 32 #ifndef HW_E1000_REGS_H 33 #define HW_E1000_REGS_H 34 35 #include "e1000x_regs.h" 36 37 #define E1000_ITR 0x000C4 /* Interrupt Throttling Rate - RW */ 38 #define E1000_EIAC 0x000DC /* Ext. Interrupt Auto Clear - RW */ 39 #define E1000_IVAR 0x000E4 /* Interrupt Vector Allocation Register - RW */ 40 #define E1000_EITR 0x000E8 /* Extended Interrupt Throttling Rate - RW */ 41 #define E1000_RDBAL1 0x02900 /* RX Descriptor Base Address Low (1) - RW */ 42 #define E1000_RDBAH1 0x02904 /* RX Descriptor Base Address High (1) - RW */ 43 #define E1000_RDLEN1 0x02908 /* RX Descriptor Length (1) - RW */ 44 #define E1000_RDH1 0x02910 /* RX Descriptor Head (1) - RW */ 45 #define E1000_RDT1 0x02918 /* RX Descriptor Tail (1) - RW */ 46 #define E1000_FCRTV 0x05F40 /* Flow Control Refresh Timer Value - RW */ 47 #define E1000_TXCW 0x00178 /* TX Configuration Word - RW */ 48 #define E1000_RXCW 0x00180 /* RX Configuration Word - RO */ 49 #define E1000_TBT 0x00448 /* TX Burst Timer - RW */ 50 #define E1000_AIT 0x00458 /* Adaptive Interframe Spacing Throttle - RW */ 51 #define E1000_EXTCNF_CTRL 0x00F00 /* Extended Configuration Control */ 52 #define E1000_EXTCNF_SIZE 0x00F08 /* Extended Configuration Size */ 53 #define E1000_PHY_CTRL 0x00F10 /* PHY Control Register in CSR */ 54 #define E1000_PBA 0x01000 /* Packet Buffer Allocation - RW */ 55 #define E1000_PBM 0x10000 /* Packet Buffer Memory - RW */ 56 #define E1000_PBS 0x01008 /* Packet Buffer Size - RW */ 57 #define E1000_FLASHT 0x01028 /* FLASH Timer Register */ 58 #define E1000_EEWR 0x0102C /* EEPROM Write Register - RW */ 59 #define E1000_FLSWCTL 0x01030 /* FLASH control register */ 60 #define E1000_FLSWDATA 0x01034 /* FLASH data register */ 61 #define E1000_FLSWCNT 0x01038 /* FLASH Access Counter */ 62 #define E1000_FLOL 0x01050 /* FEEP Auto Load */ 63 #define E1000_ERT 0x02008 /* Early Rx Threshold - RW */ 64 #define E1000_FCRTH_A 0x00160 /* Alias to FCRTH */ 65 #define E1000_PSRCTL 0x02170 /* Packet Split Receive Control - RW */ 66 #define E1000_RDBAL 0x02800 /* RX Descriptor Base Address Low - RW */ 67 #define E1000_RDBAH 0x02804 /* RX Descriptor Base Address High - RW */ 68 #define E1000_RDLEN 0x02808 /* RX Descriptor Length - RW */ 69 #define E1000_RDH 0x02810 /* RX Descriptor Head - RW */ 70 #define E1000_RDT 0x02818 /* RX Descriptor Tail - RW */ 71 #define E1000_RDTR 0x02820 /* RX Delay Timer - RW */ 72 #define E1000_RDTR_A 0x00108 /* Alias to RDTR */ 73 #define E1000_RDBAL0 E1000_RDBAL /* RX Desc Base Address Low (0) - RW */ 74 #define E1000_RDBAL0_A 0x00110 /* Alias to RDBAL0 */ 75 #define E1000_RDBAH0 E1000_RDBAH /* RX Desc Base Address High (0) - RW */ 76 #define E1000_RDBAH0_A 0x00114 /* Alias to RDBAH0 */ 77 #define E1000_RDLEN0 E1000_RDLEN /* RX Desc Length (0) - RW */ 78 #define E1000_RDLEN0_A 0x00118 /* Alias to RDLEN0 */ 79 #define E1000_RDH0 E1000_RDH /* RX Desc Head (0) - RW */ 80 #define E1000_RDH0_A 0x00120 /* Alias to RDH0 */ 81 #define E1000_RDT0 E1000_RDT /* RX Desc Tail (0) - RW */ 82 #define E1000_RDT0_A 0x00128 /* Alias to RDT0 */ 83 #define E1000_RDTR0 E1000_RDTR /* RX Delay Timer (0) - RW */ 84 #define E1000_RXDCTL 0x02828 /* RX Descriptor Control queue 0 - RW */ 85 #define E1000_RXDCTL1 0x02928 /* RX Descriptor Control queue 1 - RW */ 86 #define E1000_RADV 0x0282C /* RX Interrupt Absolute Delay Timer - RW */ 87 #define E1000_RSRPD 0x02C00 /* RX Small Packet Detect - RW */ 88 #define E1000_RAID 0x02C08 /* Receive Ack Interrupt Delay - RW */ 89 #define E1000_POEMB 0x00F10 /* PHY OEM Bits Register - RW */ 90 #define E1000_TDBAL 0x03800 /* TX Descriptor Base Address Low - RW */ 91 #define E1000_TDBAL_A 0x00420 /* Alias to TDBAL */ 92 #define E1000_TDBAH 0x03804 /* TX Descriptor Base Address High - RW */ 93 #define E1000_TDBAH_A 0x00424 /* Alias to TDBAH */ 94 #define E1000_TDLEN 0x03808 /* TX Descriptor Length - RW */ 95 #define E1000_TDLEN_A 0x00428 /* Alias to TDLEN */ 96 #define E1000_TDH 0x03810 /* TX Descriptor Head - RW */ 97 #define E1000_TDH_A 0x00430 /* Alias to TDH */ 98 #define E1000_TDT 0x03818 /* TX Descripotr Tail - RW */ 99 #define E1000_TDT_A 0x00438 /* Alias to TDT */ 100 #define E1000_TIDV 0x03820 /* TX Interrupt Delay Value - RW */ 101 #define E1000_TIDV_A 0x00440 /* Alias to TIDV */ 102 #define E1000_TXDCTL 0x03828 /* TX Descriptor Control - RW */ 103 #define E1000_TADV 0x0382C /* TX Interrupt Absolute Delay Val - RW */ 104 #define E1000_TSPMT 0x03830 /* TCP Segmentation PAD & Min Threshold - RW */ 105 #define E1000_TARC0 0x03840 /* TX Arbitration Count (0) */ 106 #define E1000_TDBAL1 0x03900 /* TX Desc Base Address Low (1) - RW */ 107 #define E1000_TDBAH1 0x03904 /* TX Desc Base Address High (1) - RW */ 108 #define E1000_TDLEN1 0x03908 /* TX Desc Length (1) - RW */ 109 #define E1000_TDH1 0x03910 /* TX Desc Head (1) - RW */ 110 #define E1000_TDT1 0x03918 /* TX Desc Tail (1) - RW */ 111 #define E1000_TXDCTL1 0x03928 /* TX Descriptor Control (1) - RW */ 112 #define E1000_TARC1 0x03940 /* TX Arbitration Count (1) */ 113 #define E1000_SEQEC 0x04038 /* Sequence Error Count - R/clr */ 114 #define E1000_CEXTERR 0x0403C /* Carrier Extension Error Count - R/clr */ 115 #define E1000_TSCTFC 0x040FC /* TCP Segmentation Context TX Fail - R/clr */ 116 #define E1000_ICRXATC 0x04108 /* Interrupt Cause Rx Absolute Timer Expire Count */ 117 #define E1000_ICTXPTC 0x0410C /* Interrupt Cause Tx Packet Timer Expire Count */ 118 #define E1000_ICTXATC 0x04110 /* Interrupt Cause Tx Absolute Timer Expire Count */ 119 #define E1000_ICTXQEC 0x04118 /* Interrupt Cause Tx Queue Empty Count */ 120 #define E1000_ICTXQMTC 0x0411C /* Interrupt Cause Tx Queue Minimum Threshold Count */ 121 #define E1000_ICRXOC 0x04124 /* Interrupt Cause Receiver Overrun Count */ 122 #define E1000_MFUTP01 0x05828 /* Management Flex UDP/TCP Ports 0/1 - RW */ 123 #define E1000_MFUTP23 0x05830 /* Management Flex UDP/TCP Ports 2/3 - RW */ 124 #define E1000_FFLT 0x05F00 /* Flexible Filter Length Table - RW Array */ 125 #define E1000_HOST_IF 0x08800 /* Host Interface */ 126 #define E1000_FFVT 0x09800 /* Flexible Filter Value Table - RW Array */ 127 128 #define E1000_KUMCTRLSTA 0x00034 /* MAC-PHY interface - RW */ 129 #define E1000_MDPHYA 0x0003C /* PHY address - RW */ 130 131 #define E1000_GCR2 0x05B64 /* 3GIO Control Register 2 */ 132 #define E1000_FFLT_DBG 0x05F04 /* Debug Register */ 133 #define E1000_HICR 0x08F00 /* Host Inteface Control */ 134 135 #define E1000_RXMTRL 0x0B634 /* Time sync Rx EtherType and Msg Type - RW */ 136 #define E1000_RXUDP 0x0B638 /* Time Sync Rx UDP Port - RW */ 137 #define E1000_RXCFGL 0x0B634 /* RX Ethertype and Message Type - RW*/ 138 139 #define E1000_MRQC_ENABLED(mrqc) (((mrqc) & (BIT(0) | BIT(1))) == BIT(0)) 140 141 #define E1000_CPUVEC 0x02C10 /* CPU Vector Register - RW */ 142 #define E1000_RSSIM 0x05864 /* RSS Interrupt Mask */ 143 #define E1000_RSSIR 0x05868 /* RSS Interrupt Request */ 144 145 #define E1000_RSS_QUEUE(reta, hash) ((E1000_RETA_VAL(reta, hash) & BIT(7)) >> 7) 146 147 /* [TR]DBAL and [TR]DLEN masks */ 148 #define E1000_XDBAL_MASK (~(BIT(4) - 1)) 149 #define E1000_XDLEN_MASK ((BIT(20) - 1) & (~(BIT(7) - 1))) 150 151 /* IVAR register parsing helpers */ 152 #define E1000_IVAR_INT_ALLOC_VALID (0x8) 153 154 #define E1000_IVAR_RXQ0_SHIFT (0) 155 #define E1000_IVAR_RXQ1_SHIFT (4) 156 #define E1000_IVAR_TXQ0_SHIFT (8) 157 #define E1000_IVAR_TXQ1_SHIFT (12) 158 #define E1000_IVAR_OTHER_SHIFT (16) 159 160 #define E1000_IVAR_ENTRY_MASK (0xF) 161 #define E1000_IVAR_ENTRY_VALID_MASK E1000_IVAR_INT_ALLOC_VALID 162 #define E1000_IVAR_ENTRY_VEC_MASK (0x7) 163 164 #define E1000_IVAR_RXQ0(x) ((x) >> E1000_IVAR_RXQ0_SHIFT) 165 #define E1000_IVAR_RXQ1(x) ((x) >> E1000_IVAR_RXQ1_SHIFT) 166 #define E1000_IVAR_TXQ0(x) ((x) >> E1000_IVAR_TXQ0_SHIFT) 167 #define E1000_IVAR_TXQ1(x) ((x) >> E1000_IVAR_TXQ1_SHIFT) 168 #define E1000_IVAR_OTHER(x) ((x) >> E1000_IVAR_OTHER_SHIFT) 169 170 #define E1000_IVAR_ENTRY_VALID(x) ((x) & E1000_IVAR_ENTRY_VALID_MASK) 171 #define E1000_IVAR_ENTRY_VEC(x) ((x) & E1000_IVAR_ENTRY_VEC_MASK) 172 173 #define E1000_IVAR_TX_INT_EVERY_WB BIT(31) 174 175 #define E1000_RFCTL_ACK_DIS 0x00001000 176 #define E1000_RFCTL_ACK_DATA_DIS 0x00002000 177 178 /* PSRCTL parsing */ 179 #define E1000_PSRCTL_BSIZE0_MASK 0x0000007F 180 #define E1000_PSRCTL_BSIZE1_MASK 0x00003F00 181 #define E1000_PSRCTL_BSIZE2_MASK 0x003F0000 182 #define E1000_PSRCTL_BSIZE3_MASK 0x3F000000 183 184 #define E1000_PSRCTL_BSIZE0_SHIFT 0 185 #define E1000_PSRCTL_BSIZE1_SHIFT 8 186 #define E1000_PSRCTL_BSIZE2_SHIFT 16 187 #define E1000_PSRCTL_BSIZE3_SHIFT 24 188 189 #define E1000_PSRCTL_BUFFS_PER_DESC 4 190 191 /* PHY 1000 MII Register/Bit Definitions */ 192 /* 82574-specific registers */ 193 #define PHY_COPPER_CTRL1 0x10 /* Copper Specific Control Register 1 */ 194 #define PHY_COPPER_STAT1 0x11 /* Copper Specific Status Register 1 */ 195 #define PHY_COPPER_INT_ENABLE 0x12 /* Interrupt Enable Register */ 196 #define PHY_COPPER_STAT2 0x13 /* Copper Specific Status Register 2 */ 197 #define PHY_COPPER_CTRL3 0x14 /* Copper Specific Control Register 3 */ 198 #define PHY_COPPER_CTRL2 0x1A /* Copper Specific Control Register 2 */ 199 #define PHY_RX_ERR_CNTR 0x15 /* Receive Error Counter */ 200 #define PHY_PAGE 0x16 /* Page Address (Any page) */ 201 #define PHY_OEM_BITS 0x19 /* OEM Bits (Page 0) */ 202 #define PHY_BIAS_1 0x1d /* Bias Setting Register */ 203 #define PHY_BIAS_2 0x1e /* Bias Setting Register */ 204 205 /* 82574-specific registers - page 2 */ 206 #define PHY_MAC_CTRL1 0x10 /* MAC Specific Control Register 1 */ 207 #define PHY_MAC_INT_ENABLE 0x12 /* MAC Interrupt Enable Register */ 208 #define PHY_MAC_STAT 0x13 /* MAC Specific Status Register */ 209 #define PHY_MAC_CTRL2 0x15 /* MAC Specific Control Register 2 */ 210 211 /* 82574-specific registers - page 3 */ 212 #define PHY_LED_03_FUNC_CTRL1 0x10 /* LED[3:0] Function Control */ 213 #define PHY_LED_03_POL_CTRL 0x11 /* LED[3:0] Polarity Control */ 214 #define PHY_LED_TIMER_CTRL 0x12 /* LED Timer Control */ 215 #define PHY_LED_45_CTRL 0x13 /* LED[5:4] Function Control and Polarity */ 216 217 /* 82574-specific registers - page 5 */ 218 #define PHY_1000T_SKEW 0x14 /* 1000 BASE - T Pair Skew Register */ 219 #define PHY_1000T_SWAP 0x15 /* 1000 BASE - T Pair Swap and Polarity */ 220 221 /* 82574-specific registers - page 6 */ 222 #define PHY_CRC_COUNTERS 0x11 /* CRC Counters */ 223 224 #define PHY_PAGE_RW_MASK 0x7F /* R/W part of page address register */ 225 226 #define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */ 227 #define MAX_PHY_MULTI_PAGE_REG 0xF /* Registers equal on all pages */ 228 229 /* M88E1000 Specific Registers */ 230 #define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */ 231 #define M88E1000_PHY_SPEC_STATUS 0x11 /* PHY Specific Status Register */ 232 #define M88E1000_INT_ENABLE 0x12 /* Interrupt Enable Register */ 233 #define M88E1000_INT_STATUS 0x13 /* Interrupt Status Register */ 234 #define M88E1000_EXT_PHY_SPEC_CTRL 0x14 /* Extended PHY Specific Control */ 235 #define M88E1000_RX_ERR_CNTR 0x15 /* Receive Error Counter */ 236 237 #define M88E1000_PHY_EXT_CTRL 0x1A /* PHY extend control register */ 238 #define M88E1000_PHY_PAGE_SELECT 0x1D /* Reg 29 for page number setting */ 239 #define M88E1000_PHY_GEN_CONTROL 0x1E /* Its meaning depends on reg 29 */ 240 #define M88E1000_PHY_VCO_REG_BIT8 0x100 /* Bits 8 & 11 are adjusted for */ 241 #define M88E1000_PHY_VCO_REG_BIT11 0x800 /* improved BER performance */ 242 243 #define E1000_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */ 244 #define E1000_STATUS_FUNC_SHIFT 2 245 #define E1000_STATUS_FUNC_0 0x00000000 /* Function 0 */ 246 #define E1000_STATUS_FUNC_1 0x00000004 /* Function 1 */ 247 #define E1000_STATUS_TXOFF 0x00000010 /* transmission paused */ 248 #define E1000_STATUS_TBIMODE 0x00000020 /* TBI mode */ 249 #define E1000_STATUS_SPEED_MASK 0x000000C0 250 #define E1000_STATUS_LAN_INIT_DONE 0x00000200 /* Lan Init Completion 251 by EEPROM/Flash */ 252 #define E1000_STATUS_ASDV 0x00000300 /* Auto speed detect value */ 253 #define E1000_STATUS_ASDV_10 0x00000000 /* ASDV 10Mb */ 254 #define E1000_STATUS_ASDV_100 0x00000100 /* ASDV 100Mb */ 255 #define E1000_STATUS_ASDV_1000 0x00000200 /* ASDV 1Gb */ 256 #define E1000_STATUS_DOCK_CI 0x00000800 /* Change in Dock/Undock state. Clear on write '0'. */ 257 #define E1000_STATUS_MTXCKOK 0x00000400 /* MTX clock running OK */ 258 #define E1000_STATUS_PCI66 0x00000800 /* In 66Mhz slot */ 259 #define E1000_STATUS_BUS64 0x00001000 /* In 64 bit slot */ 260 #define E1000_STATUS_PCIX_MODE 0x00002000 /* PCI-X mode */ 261 #define E1000_STATUS_PCIX_SPEED 0x0000C000 /* PCI-X bus speed */ 262 #define E1000_STATUS_BMC_SKU_0 0x00100000 /* BMC USB redirect disabled */ 263 #define E1000_STATUS_BMC_SKU_1 0x00200000 /* BMC SRAM disabled */ 264 #define E1000_STATUS_BMC_SKU_2 0x00400000 /* BMC SDRAM disabled */ 265 #define E1000_STATUS_BMC_CRYPTO 0x00800000 /* BMC crypto disabled */ 266 #define E1000_STATUS_BMC_LITE 0x01000000 /* BMC external code execution disabled */ 267 #define E1000_STATUS_RGMII_ENABLE 0x02000000 /* RGMII disabled */ 268 #define E1000_STATUS_FUSE_8 0x04000000 269 #define E1000_STATUS_FUSE_9 0x08000000 270 #define E1000_STATUS_SERDES0_DIS 0x10000000 /* SERDES disabled on port 0 */ 271 #define E1000_STATUS_SERDES1_DIS 0x20000000 /* SERDES disabled on port 1 */ 272 #define E1000_STATUS_SPEED_SHIFT 6 273 #define E1000_STATUS_ASDV_SHIFT 8 274 275 /* Transmit Descriptor */ 276 struct e1000_tx_desc { 277 uint64_t buffer_addr; /* Address of the descriptor's data buffer */ 278 union { 279 uint32_t data; 280 struct { 281 uint16_t length; /* Data buffer length */ 282 uint8_t cso; /* Checksum offset */ 283 uint8_t cmd; /* Descriptor control */ 284 } flags; 285 } lower; 286 union { 287 uint32_t data; 288 struct { 289 uint8_t status; /* Descriptor status */ 290 uint8_t css; /* Checksum start */ 291 uint16_t special; 292 } fields; 293 } upper; 294 }; 295 296 #define E1000_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */ 297 #define E1000_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */ 298 299 #endif /* HW_E1000_REGS_H */ 300