1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2004 5 * Bill Paul <wpaul@windriver.com>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * Register definitions for the VIA VT6122 gigabit ethernet controller. 37 * Definitions for the built-in copper PHY can be found in vgphy.h. 38 * 39 * The VT612x controllers have 256 bytes of register space. The 40 * manual seems to imply that the registers should all be accessed 41 * using 32-bit I/O cycles, but some of them are less than 32 bits 42 * wide. Go figure. 43 */ 44 45 #ifndef _IF_VGEREG_H_ 46 #define _IF_VGEREG_H_ 47 48 #define VIA_VENDORID 0x1106 49 #define VIA_DEVICEID_61XX 0x3119 50 51 #define VGE_PAR0 0x00 /* physical address register */ 52 #define VGE_PAR1 0x02 53 #define VGE_PAR2 0x04 54 #define VGE_RXCTL 0x06 /* RX control register */ 55 #define VGE_TXCTL 0x07 /* TX control register */ 56 #define VGE_CRS0 0x08 /* Global cmd register 0 (w to set) */ 57 #define VGE_CRS1 0x09 /* Global cmd register 1 (w to set) */ 58 #define VGE_CRS2 0x0A /* Global cmd register 2 (w to set) */ 59 #define VGE_CRS3 0x0B /* Global cmd register 3 (w to set) */ 60 #define VGE_CRC0 0x0C /* Global cmd register 0 (w to clr) */ 61 #define VGE_CRC1 0x0D /* Global cmd register 1 (w to clr) */ 62 #define VGE_CRC2 0x0E /* Global cmd register 2 (w to clr) */ 63 #define VGE_CRC3 0x0F /* Global cmd register 3 (w to clr) */ 64 #define VGE_MAR0 0x10 /* Mcast hash/CAM register 0 */ 65 #define VGE_MAR1 0x14 /* Mcast hash/CAM register 1 */ 66 #define VGE_CAM0 0x10 67 #define VGE_CAM1 0x11 68 #define VGE_CAM2 0x12 69 #define VGE_CAM3 0x13 70 #define VGE_CAM4 0x14 71 #define VGE_CAM5 0x15 72 #define VGE_CAM6 0x16 73 #define VGE_CAM7 0x17 74 #define VGE_TXDESC_HIADDR 0x18 /* Hi part of 64bit txdesc base addr */ 75 #define VGE_DATABUF_HIADDR 0x1D /* Hi part of 64bit data buffer addr */ 76 #define VGE_INTCTL0 0x20 /* interrupt control register */ 77 #define VGE_RXSUPPTHR 0x20 78 #define VGE_TXSUPPTHR 0x20 79 #define VGE_INTHOLDOFF 0x20 80 #define VGE_INTCTL1 0x21 /* interrupt control register */ 81 #define VGE_TXHOSTERR 0x22 /* TX host error status */ 82 #define VGE_RXHOSTERR 0x23 /* RX host error status */ 83 #define VGE_ISR 0x24 /* Interrupt status register */ 84 #define VGE_IMR 0x28 /* Interrupt mask register */ 85 #define VGE_TXSTS_PORT 0x2C /* Transmit status port (???) */ 86 #define VGE_TXQCSRS 0x30 /* TX queue ctl/status set */ 87 #define VGE_RXQCSRS 0x32 /* RX queue ctl/status set */ 88 #define VGE_TXQCSRC 0x34 /* TX queue ctl/status clear */ 89 #define VGE_RXQCSRC 0x36 /* RX queue ctl/status clear */ 90 #define VGE_RXDESC_ADDR_LO 0x38 /* RX desc base addr (lo 32 bits) */ 91 #define VGE_RXDESC_CONSIDX 0x3C /* Current RX descriptor index */ 92 #define VGE_TXQTIMER 0x3E /* TX queue timer pend register */ 93 #define VGE_RXQTIMER 0x3F /* RX queue timer pend register */ 94 #define VGE_TXDESC_ADDR_LO0 0x40 /* TX desc0 base addr (lo 32 bits) */ 95 #define VGE_TXDESC_ADDR_LO1 0x44 /* TX desc1 base addr (lo 32 bits) */ 96 #define VGE_TXDESC_ADDR_LO2 0x48 /* TX desc2 base addr (lo 32 bits) */ 97 #define VGE_TXDESC_ADDR_LO3 0x4C /* TX desc3 base addr (lo 32 bits) */ 98 #define VGE_RXDESCNUM 0x50 /* Size of RX desc ring */ 99 #define VGE_TXDESCNUM 0x52 /* Size of TX desc ring */ 100 #define VGE_TXDESC_CONSIDX0 0x54 /* Current TX descriptor index */ 101 #define VGE_TXDESC_CONSIDX1 0x56 /* Current TX descriptor index */ 102 #define VGE_TXDESC_CONSIDX2 0x58 /* Current TX descriptor index */ 103 #define VGE_TXDESC_CONSIDX3 0x5A /* Current TX descriptor index */ 104 #define VGE_TX_PAUSE_TIMER 0x5C /* TX pause frame timer */ 105 #define VGE_RXDESC_RESIDUECNT 0x5E /* RX descriptor residue count */ 106 #define VGE_FIFOTEST0 0x60 /* FIFO test register */ 107 #define VGE_FIFOTEST1 0x64 /* FIFO test register */ 108 #define VGE_CAMADDR 0x68 /* CAM address register */ 109 #define VGE_CAMCTL 0x69 /* CAM control register */ 110 #define VGE_GFTEST 0x6A 111 #define VGE_FTSCMD 0x6B 112 #define VGE_MIICFG 0x6C /* MII port config register */ 113 #define VGE_MIISTS 0x6D /* MII port status register */ 114 #define VGE_PHYSTS0 0x6E /* PHY status register */ 115 #define VGE_PHYSTS1 0x6F /* PHY status register */ 116 #define VGE_MIICMD 0x70 /* MII command register */ 117 #define VGE_MIIADDR 0x71 /* MII address register */ 118 #define VGE_MIIDATA 0x72 /* MII data register */ 119 #define VGE_SSTIMER 0x74 /* single-shot timer */ 120 #define VGE_PTIMER 0x76 /* periodic timer */ 121 #define VGE_CHIPCFG0 0x78 /* chip config A */ 122 #define VGE_CHIPCFG1 0x79 /* chip config B */ 123 #define VGE_CHIPCFG2 0x7A /* chip config C */ 124 #define VGE_CHIPCFG3 0x7B /* chip config D */ 125 #define VGE_DMACFG0 0x7C /* DMA config 0 */ 126 #define VGE_DMACFG1 0x7D /* DMA config 1 */ 127 #define VGE_RXCFG 0x7E /* MAC RX config */ 128 #define VGE_TXCFG 0x7F /* MAC TX config */ 129 #define VGE_PWRMGMT 0x82 /* power management shadow register */ 130 #define VGE_PWRSTAT 0x83 /* power state shadow register */ 131 #define VGE_MIBCSR 0x84 /* MIB control/status register */ 132 #define VGE_SWEEDATA 0x85 /* EEPROM software loaded data */ 133 #define VGE_MIBDATA 0x88 /* MIB data register */ 134 #define VGE_EEWRDAT 0x8C /* EEPROM embedded write */ 135 #define VGE_EECSUM 0x92 /* EEPROM checksum */ 136 #define VGE_EECSR 0x93 /* EEPROM control/status */ 137 #define VGE_EERDDAT 0x94 /* EEPROM embedded read */ 138 #define VGE_EEADDR 0x96 /* EEPROM address */ 139 #define VGE_EECMD 0x97 /* EEPROM embedded command */ 140 #define VGE_CHIPSTRAP 0x99 /* Chip jumper strapping status */ 141 #define VGE_MEDIASTRAP 0x9B /* Media jumper strapping */ 142 #define VGE_DIAGSTS 0x9C /* Chip diagnostic status */ 143 #define VGE_DBGCTL 0x9E /* Chip debug control */ 144 #define VGE_DIAGCTL 0x9F /* Chip diagnostic control */ 145 #define VGE_WOLCR0S 0xA0 /* WOL0 event set */ 146 #define VGE_WOLCR1S 0xA1 /* WOL1 event set */ 147 #define VGE_PWRCFGS 0xA2 /* Power management config set */ 148 #define VGE_WOLCFGS 0xA3 /* WOL config set */ 149 #define VGE_WOLCR0C 0xA4 /* WOL0 event clear */ 150 #define VGE_WOLCR1C 0xA5 /* WOL1 event clear */ 151 #define VGE_PWRCFGC 0xA6 /* Power management config clear */ 152 #define VGE_WOLCFGC 0xA7 /* WOL config clear */ 153 #define VGE_WOLSR0S 0xA8 /* WOL status set */ 154 #define VGE_WOLSR1S 0xA9 /* WOL status set */ 155 #define VGE_WOLSR0C 0xAC /* WOL status clear */ 156 #define VGE_WOLSR1C 0xAD /* WOL status clear */ 157 #define VGE_WAKEPAT_CRC0 0xB0 158 #define VGE_WAKEPAT_CRC1 0xB2 159 #define VGE_WAKEPAT_CRC2 0xB4 160 #define VGE_WAKEPAT_CRC3 0xB6 161 #define VGE_WAKEPAT_CRC4 0xB8 162 #define VGE_WAKEPAT_CRC5 0xBA 163 #define VGE_WAKEPAT_CRC6 0xBC 164 #define VGE_WAKEPAT_CRC7 0xBE 165 #define VGE_WAKEPAT_MSK0_0 0xC0 166 #define VGE_WAKEPAT_MSK0_1 0xC4 167 #define VGE_WAKEPAT_MSK0_2 0xC8 168 #define VGE_WAKEPAT_MSK0_3 0xCC 169 #define VGE_WAKEPAT_MSK1_0 0xD0 170 #define VGE_WAKEPAT_MSK1_1 0xD4 171 #define VGE_WAKEPAT_MSK1_2 0xD8 172 #define VGE_WAKEPAT_MSK1_3 0xDC 173 #define VGE_WAKEPAT_MSK2_0 0xE0 174 #define VGE_WAKEPAT_MSK2_1 0xE4 175 #define VGE_WAKEPAT_MSK2_2 0xE8 176 #define VGE_WAKEPAT_MSK2_3 0xEC 177 #define VGE_WAKEPAT_MSK3_0 0xF0 178 #define VGE_WAKEPAT_MSK3_1 0xF4 179 #define VGE_WAKEPAT_MSK3_2 0xF8 180 #define VGE_WAKEPAT_MSK3_3 0xFC 181 182 /* Receive control register */ 183 184 #define VGE_RXCTL_RX_BADFRAMES 0x01 /* accept CRC error frames */ 185 #define VGE_RXCTL_RX_RUNT 0x02 /* accept runts */ 186 #define VGE_RXCTL_RX_MCAST 0x04 /* accept multicasts */ 187 #define VGE_RXCTL_RX_BCAST 0x08 /* accept broadcasts */ 188 #define VGE_RXCTL_RX_PROMISC 0x10 /* promisc mode */ 189 #define VGE_RXCTL_RX_GIANT 0x20 /* accept VLAN tagged frames */ 190 #define VGE_RXCTL_RX_UCAST 0x40 /* use perfect filtering */ 191 #define VGE_RXCTL_RX_SYMERR 0x80 /* accept symbol err packet */ 192 193 /* Transmit control register */ 194 195 #define VGE_TXCTL_LOOPCTL 0x03 /* loopback control */ 196 #define VGE_TXCTL_COLLCTL 0x0C /* collision retry control */ 197 198 #define VGE_TXLOOPCTL_OFF 0x00 199 #define VGE_TXLOOPCTL_MAC_INTERNAL 0x01 200 #define VGE_TXLOOPCTL_EXTERNAL 0x02 201 202 #define VGE_TXCOLLS_NORMAL 0x00 /* one set of 16 retries */ 203 #define VGE_TXCOLLS_32 0x04 /* two sets of 16 retries */ 204 #define VGE_TXCOLLS_48 0x08 /* three sets of 16 retries */ 205 #define VGE_TXCOLLS_INFINITE 0x0C /* retry forever */ 206 207 /* Global command register 0 */ 208 209 #define VGE_CR0_START 0x01 /* start NIC */ 210 #define VGE_CR0_STOP 0x02 /* stop NIC */ 211 #define VGE_CR0_RX_ENABLE 0x04 /* turn on RX engine */ 212 #define VGE_CR0_TX_ENABLE 0x08 /* turn on TX engine */ 213 214 /* Global command register 1 */ 215 216 #define VGE_CR1_NOUCAST 0x01 /* disable unicast reception */ 217 #define VGE_CR1_NOPOLL 0x08 /* disable RX/TX desc polling */ 218 #define VGE_CR1_TIMER0_ENABLE 0x20 /* enable single shot timer */ 219 #define VGE_CR1_TIMER1_ENABLE 0x40 /* enable periodic timer */ 220 #define VGE_CR1_SOFTRESET 0x80 /* software reset */ 221 222 /* Global command register 2 */ 223 224 #define VGE_CR2_TXPAUSE_THRESH_LO 0x03 /* TX pause frame lo threshold */ 225 #define VGE_CR2_TXPAUSE_THRESH_HI 0x0C /* TX pause frame hi threshold */ 226 #define VGE_CR2_HDX_FLOWCTL_ENABLE 0x10 /* half duplex flow control */ 227 #define VGE_CR2_FDX_RXFLOWCTL_ENABLE 0x20 /* full duplex RX flow control */ 228 #define VGE_CR2_FDX_TXFLOWCTL_ENABLE 0x40 /* full duplex TX flow control */ 229 #define VGE_CR2_XON_ENABLE 0x80 /* 802.3x XON/XOFF flow control */ 230 231 /* Global command register 3 */ 232 233 #define VGE_CR3_INT_SWPEND 0x01 /* disable multi-level int bits */ 234 #define VGE_CR3_INT_GMSK 0x02 /* mask off all interrupts */ 235 #define VGE_CR3_INT_HOLDOFF 0x04 /* enable int hold off timer */ 236 #define VGE_CR3_DIAG 0x10 /* diagnostic enabled */ 237 #define VGE_CR3_PHYRST 0x20 /* assert PHYRSTZ */ 238 #define VGE_CR3_STOP_FORCE 0x40 /* force NIC to stopped state */ 239 240 /* Interrupt control register */ 241 242 #define VGE_INTCTL_SC_RELOAD 0x01 /* reload hold timer */ 243 #define VGE_INTCTL_HC_RELOAD 0x02 /* enable hold timer reload */ 244 #define VGE_INTCTL_STATUS 0x04 /* interrupt pending status */ 245 #define VGE_INTCTL_MASK 0x18 /* multilayer int mask */ 246 #define VGE_INTCTL_RXINTSUP_DISABLE 0x20 /* disable RX int supression */ 247 #define VGE_INTCTL_TXINTSUP_DISABLE 0x40 /* disable TX int supression */ 248 #define VGE_INTCTL_SOFTINT 0x80 /* request soft interrupt */ 249 250 #define VGE_INTMASK_LAYER0 0x00 251 #define VGE_INTMASK_LAYER1 0x08 252 #define VGE_INTMASK_ALL 0x10 253 #define VGE_INTMASK_ALL2 0x18 254 255 /* Transmit host error status register */ 256 257 #define VGE_TXHOSTERR_TDSTRUCT 0x01 /* bad TX desc structure */ 258 #define VGE_TXHOSTERR_TDFETCH_BUSERR 0x02 /* bus error on desc fetch */ 259 #define VGE_TXHOSTERR_TDWBACK_BUSERR 0x04 /* bus error on desc writeback */ 260 #define VGE_TXHOSTERR_FIFOERR 0x08 /* TX FIFO DMA bus error */ 261 262 /* Receive host error status register */ 263 264 #define VGE_RXHOSTERR_RDSTRUCT 0x01 /* bad RX desc structure */ 265 #define VGE_RXHOSTERR_RDFETCH_BUSERR 0x02 /* bus error on desc fetch */ 266 #define VGE_RXHOSTERR_RDWBACK_BUSERR 0x04 /* bus error on desc writeback */ 267 #define VGE_RXHOSTERR_FIFOERR 0x08 /* RX FIFO DMA bus error */ 268 269 /* Interrupt status register */ 270 271 #define VGE_ISR_RXOK_HIPRIO 0x00000001 /* hi prio RX int */ 272 #define VGE_ISR_TXOK_HIPRIO 0x00000002 /* hi prio TX int */ 273 #define VGE_ISR_RXOK 0x00000004 /* normal RX done */ 274 #define VGE_ISR_TXOK 0x00000008 /* combo results for next 4 bits */ 275 #define VGE_ISR_TXOK0 0x00000010 /* TX complete on queue 0 */ 276 #define VGE_ISR_TXOK1 0x00000020 /* TX complete on queue 1 */ 277 #define VGE_ISR_TXOK2 0x00000040 /* TX complete on queue 2 */ 278 #define VGE_ISR_TXOK3 0x00000080 /* TX complete on queue 3 */ 279 #define VGE_ISR_RXCNTOFLOW 0x00000400 /* RX packet count overflow */ 280 #define VGE_ISR_RXPAUSE 0x00000800 /* pause frame RX'ed */ 281 #define VGE_ISR_RXOFLOW 0x00001000 /* RX FIFO overflow */ 282 #define VGE_ISR_RXNODESC 0x00002000 /* ran out of RX descriptors */ 283 #define VGE_ISR_RXNODESC_WARN 0x00004000 /* running out of RX descs */ 284 #define VGE_ISR_LINKSTS 0x00008000 /* link status change */ 285 #define VGE_ISR_TIMER0 0x00010000 /* one shot timer expired */ 286 #define VGE_ISR_TIMER1 0x00020000 /* periodic timer expired */ 287 #define VGE_ISR_PWR 0x00040000 /* wake up power event */ 288 #define VGE_ISR_PHYINT 0x00080000 /* PHY interrupt */ 289 #define VGE_ISR_STOPPED 0x00100000 /* software shutdown complete */ 290 #define VGE_ISR_MIBOFLOW 0x00200000 /* MIB counter overflow warning */ 291 #define VGE_ISR_SOFTINT 0x00400000 /* software interrupt */ 292 #define VGE_ISR_HOLDOFF_RELOAD 0x00800000 /* reload hold timer */ 293 #define VGE_ISR_RXDMA_STALL 0x01000000 /* RX DMA stall */ 294 #define VGE_ISR_TXDMA_STALL 0x02000000 /* TX DMA STALL */ 295 #define VGE_ISR_ISRC0 0x10000000 /* interrupt source indication */ 296 #define VGE_ISR_ISRC1 0x20000000 /* interrupt source indication */ 297 #define VGE_ISR_ISRC2 0x40000000 /* interrupt source indication */ 298 #define VGE_ISR_ISRC3 0x80000000 /* interrupt source indication */ 299 300 #define VGE_INTRS (VGE_ISR_TXOK0|VGE_ISR_RXOK|VGE_ISR_STOPPED| \ 301 VGE_ISR_RXOFLOW|VGE_ISR_PHYINT| \ 302 VGE_ISR_LINKSTS|VGE_ISR_RXNODESC| \ 303 VGE_ISR_RXDMA_STALL|VGE_ISR_TXDMA_STALL) 304 305 #define VGE_INTRS_POLLING (VGE_ISR_PHYINT|VGE_ISR_LINKSTS) 306 307 /* Interrupt mask register */ 308 309 #define VGE_IMR_RXOK_HIPRIO 0x00000001 /* hi prio RX int */ 310 #define VGE_IMR_TXOK_HIPRIO 0x00000002 /* hi prio TX int */ 311 #define VGE_IMR_RXOK 0x00000004 /* normal RX done */ 312 #define VGE_IMR_TXOK 0x00000008 /* combo results for next 4 bits */ 313 #define VGE_IMR_TXOK0 0x00000010 /* TX complete on queue 0 */ 314 #define VGE_IMR_TXOK1 0x00000020 /* TX complete on queue 1 */ 315 #define VGE_IMR_TXOK2 0x00000040 /* TX complete on queue 2 */ 316 #define VGE_IMR_TXOK3 0x00000080 /* TX complete on queue 3 */ 317 #define VGE_IMR_RXCNTOFLOW 0x00000400 /* RX packet count overflow */ 318 #define VGE_IMR_RXPAUSE 0x00000800 /* pause frame RX'ed */ 319 #define VGE_IMR_RXOFLOW 0x00001000 /* RX FIFO overflow */ 320 #define VGE_IMR_RXNODESC 0x00002000 /* ran out of RX descriptors */ 321 #define VGE_IMR_RXNODESC_WARN 0x00004000 /* running out of RX descs */ 322 #define VGE_IMR_LINKSTS 0x00008000 /* link status change */ 323 #define VGE_IMR_TIMER0 0x00010000 /* one shot timer expired */ 324 #define VGE_IMR_TIMER1 0x00020000 /* periodic timer expired */ 325 #define VGE_IMR_PWR 0x00040000 /* wake up power event */ 326 #define VGE_IMR_PHYINT 0x00080000 /* PHY interrupt */ 327 #define VGE_IMR_STOPPED 0x00100000 /* software shutdown complete */ 328 #define VGE_IMR_MIBOFLOW 0x00200000 /* MIB counter overflow warning */ 329 #define VGE_IMR_SOFTINT 0x00400000 /* software interrupt */ 330 #define VGE_IMR_HOLDOFF_RELOAD 0x00800000 /* reload hold timer */ 331 #define VGE_IMR_RXDMA_STALL 0x01000000 /* RX DMA stall */ 332 #define VGE_IMR_TXDMA_STALL 0x02000000 /* TX DMA STALL */ 333 #define VGE_IMR_ISRC0 0x10000000 /* interrupt source indication */ 334 #define VGE_IMR_ISRC1 0x20000000 /* interrupt source indication */ 335 #define VGE_IMR_ISRC2 0x40000000 /* interrupt source indication */ 336 #define VGE_IMR_ISRC3 0x80000000 /* interrupt source indication */ 337 338 /* TX descriptor queue control/status register */ 339 340 #define VGE_TXQCSR_RUN0 0x0001 /* Enable TX queue 0 */ 341 #define VGE_TXQCSR_ACT0 0x0002 /* queue 0 active indicator */ 342 #define VGE_TXQCSR_WAK0 0x0004 /* Wake up (poll) queue 0 */ 343 #define VGE_TXQCSR_DEAD0 0x0008 /* queue 0 dead indicator */ 344 #define VGE_TXQCSR_RUN1 0x0010 /* Enable TX queue 1 */ 345 #define VGE_TXQCSR_ACT1 0x0020 /* queue 1 active indicator */ 346 #define VGE_TXQCSR_WAK1 0x0040 /* Wake up (poll) queue 1 */ 347 #define VGE_TXQCSR_DEAD1 0x0080 /* queue 1 dead indicator */ 348 #define VGE_TXQCSR_RUN2 0x0100 /* Enable TX queue 2 */ 349 #define VGE_TXQCSR_ACT2 0x0200 /* queue 2 active indicator */ 350 #define VGE_TXQCSR_WAK2 0x0400 /* Wake up (poll) queue 2 */ 351 #define VGE_TXQCSR_DEAD2 0x0800 /* queue 2 dead indicator */ 352 #define VGE_TXQCSR_RUN3 0x1000 /* Enable TX queue 3 */ 353 #define VGE_TXQCSR_ACT3 0x2000 /* queue 3 active indicator */ 354 #define VGE_TXQCSR_WAK3 0x4000 /* Wake up (poll) queue 3 */ 355 #define VGE_TXQCSR_DEAD3 0x8000 /* queue 3 dead indicator */ 356 357 /* RX descriptor queue control/status register */ 358 359 #define VGE_RXQCSR_RUN 0x0001 /* Enable RX queue */ 360 #define VGE_RXQCSR_ACT 0x0002 /* queue active indicator */ 361 #define VGE_RXQCSR_WAK 0x0004 /* Wake up (poll) queue */ 362 #define VGE_RXQCSR_DEAD 0x0008 /* queue dead indicator */ 363 364 /* RX/TX queue empty interrupt delay timer register */ 365 366 #define VGE_QTIMER_PENDCNT 0x3F 367 #define VGE_QTIMER_RESOLUTION 0xC0 368 369 #define VGE_QTIMER_RES_1US 0x00 370 #define VGE_QTIMER_RES_4US 0x40 371 #define VGE_QTIMER_RES_16US 0x80 372 #define VGE_QTIMER_RES_64US 0xC0 373 374 /* CAM address register */ 375 376 #define VGE_CAMADDR_ADDR 0x3F /* CAM address to program */ 377 #define VGE_CAMADDR_AVSEL 0x40 /* 0 = address cam, 1 = VLAN cam */ 378 #define VGE_CAMADDR_ENABLE 0x80 /* enable CAM read/write */ 379 380 #define VGE_CAM_MAXADDRS 64 381 382 /* 383 * CAM command register 384 * Note that the page select bits in this register affect three 385 * different things: 386 * - The behavior of the MAR0/MAR1 registers at offset 0x10 (the 387 * page select bits control whether the MAR0/MAR1 registers affect 388 * the multicast hash filter or the CAM table) 389 * - The behavior of the interrupt holdoff timer register at offset 390 * 0x20 (the page select bits allow you to set the interrupt 391 * holdoff timer, the TX interrupt supression count or the 392 * RX interrupt supression count) 393 * - The behavior the WOL pattern programming registers at offset 394 * 0xC0 (controls which pattern is set) 395 */ 396 397 #define VGE_CAMCTL_WRITE 0x04 /* CAM write command */ 398 #define VGE_CAMCTL_READ 0x08 /* CAM read command */ 399 #define VGE_CAMCTL_INTPKT_SIZ 0x10 /* select interesting pkt CAM size */ 400 #define VGE_CAMCTL_INTPKT_ENB 0x20 /* enable interesting packet mode */ 401 #define VGE_CAMCTL_PAGESEL 0xC0 /* page select */ 402 403 #define VGE_PAGESEL_MAR 0x00 404 #define VGE_PAGESEL_CAMMASK 0x40 405 #define VGE_PAGESEL_CAMDATA 0x80 406 407 #define VGE_PAGESEL_INTHLDOFF 0x00 408 #define VGE_PAGESEL_TXSUPPTHR 0x40 409 #define VGE_PAGESEL_RXSUPPTHR 0x80 410 411 #define VGE_PAGESEL_WOLPAT0 0x00 412 #define VGE_PAGESEL_WOLPAT1 0x40 413 414 /* MII port config register */ 415 416 #define VGE_MIICFG_PHYADDR 0x1F /* PHY address (internal PHY is 1) */ 417 #define VGE_MIICFG_MDCSPEED 0x20 /* MDC accelerate x 4 */ 418 #define VGE_MIICFG_POLLINT 0xC0 /* polling interval */ 419 420 #define VGE_MIIPOLLINT_1024 0x00 421 #define VGE_MIIPOLLINT_512 0x40 422 #define VGE_MIIPOLLINT_128 0x80 423 #define VGE_MIIPOLLINT_64 0xC0 424 425 /* MII port status register */ 426 427 #define VGE_MIISTS_IIDL 0x80 /* not at sofrware/timer poll cycle */ 428 429 /* PHY status register */ 430 431 #define VGE_PHYSTS_TXFLOWCAP 0x01 /* resolved TX flow control cap */ 432 #define VGE_PHYSTS_RXFLOWCAP 0x02 /* resolved RX flow control cap */ 433 #define VGE_PHYSTS_SPEED10 0x04 /* PHY in 10Mbps mode */ 434 #define VGE_PHYSTS_SPEED1000 0x08 /* PHY in giga mode */ 435 #define VGE_PHYSTS_FDX 0x10 /* PHY in full duplex mode */ 436 #define VGE_PHYSTS_LINK 0x40 /* link status */ 437 #define VGE_PHYSTS_RESETSTS 0x80 /* reset status */ 438 439 /* MII management command register */ 440 441 #define VGE_MIICMD_MDC 0x01 /* clock pin */ 442 #define VGE_MIICMD_MDI 0x02 /* data in pin */ 443 #define VGE_MIICMD_MDO 0x04 /* data out pin */ 444 #define VGE_MIICMD_MOUT 0x08 /* data out pin enable */ 445 #define VGE_MIICMD_MDP 0x10 /* enable direct programming mode */ 446 #define VGE_MIICMD_WCMD 0x20 /* embedded mode write */ 447 #define VGE_MIICMD_RCMD 0x40 /* embadded mode read */ 448 #define VGE_MIICMD_MAUTO 0x80 /* enable autopolling */ 449 450 /* MII address register */ 451 452 #define VGE_MIIADDR_SWMPL 0x80 /* initiate priority resolution */ 453 454 /* Chip config register A */ 455 456 #define VGE_CHIPCFG0_PACPI 0x01 /* pre-ACPI wakeup function */ 457 #define VGE_CHIPCFG0_ABSHDN 0x02 /* abnormal shutdown function */ 458 #define VGE_CHIPCFG0_GPIO1PD 0x04 /* GPIO pin enable */ 459 #define VGE_CHIPCFG0_SKIPTAG 0x08 /* omit 802.1p tag from CRC calc */ 460 #define VGE_CHIPCFG0_PHLED 0x30 /* phy LED select */ 461 462 /* Chip config register B */ 463 /* Note: some of these bits are not documented in the manual! */ 464 465 #define VGE_CHIPCFG1_BAKOPT 0x01 466 #define VGE_CHIPCFG1_MBA 0x02 467 #define VGE_CHIPCFG1_CAP 0x04 468 #define VGE_CHIPCFG1_CRANDOM 0x08 469 #define VGE_CHIPCFG1_OFSET 0x10 470 #define VGE_CHIPCFG1_SLOTTIME 0x20 /* slot time 512/500 in giga mode */ 471 #define VGE_CHIPCFG1_MIIOPT 0x40 472 #define VGE_CHIPCFG1_GTCKOPT 0x80 473 474 /* Chip config register C */ 475 476 #define VGE_CHIPCFG2_EELOAD 0x80 /* enable EEPROM programming */ 477 478 /* Chip config register D */ 479 480 #define VGE_CHIPCFG3_64BIT_DAC 0x20 /* enable 64bit via DAC */ 481 #define VGE_CHIPCFG3_IODISABLE 0x80 /* disable I/O access mode */ 482 483 /* DMA config register 0 */ 484 485 #define VGE_DMACFG0_BURSTLEN 0x07 /* RX/TX DMA burst (in dwords) */ 486 487 #define VGE_DMABURST_8 0x00 488 #define VGE_DMABURST_16 0x01 489 #define VGE_DMABURST_32 0x02 490 #define VGE_DMABURST_64 0x03 491 #define VGE_DMABURST_128 0x04 492 #define VGE_DMABURST_256 0x05 493 #define VGE_DMABURST_STRFWD 0x07 494 495 /* DMA config register 1 */ 496 497 #define VGE_DMACFG1_LATENB 0x01 /* Latency timer enable */ 498 #define VGE_DMACFG1_MWWAIT 0x02 /* insert wait on master write */ 499 #define VGE_DMACFG1_MRWAIT 0x04 /* insert wait on master read */ 500 #define VGE_DMACFG1_MRM 0x08 /* use memory read multiple */ 501 #define VGE_DMACFG1_PERR_DIS 0x10 /* disable parity error checking */ 502 #define VGE_DMACFG1_XMRL 0x20 /* disable memory read line support */ 503 504 /* RX MAC config register */ 505 506 #define VGE_RXCFG_VLANFILT 0x01 /* filter VLAN ID mismatches */ 507 #define VGE_RXCFG_VTAGOPT 0x06 /* VLAN tag handling */ 508 #define VGE_RXCFG_FIFO_LOWAT 0x08 /* RX FIFO low watermark (7QW/15QW) */ 509 #define VGE_RXCFG_FIFO_THR 0x30 /* RX FIFO threshold */ 510 #define VGE_RXCFG_ARB_PRIO 0x80 /* arbitration priority */ 511 512 #define VGE_VTAG_OPT0 0x00 /* TX: no tag insertion 513 RX: rx all, no tag extraction */ 514 515 #define VGE_VTAG_OPT1 0x02 /* TX: no tag insertion 516 RX: rx only tagged pkts, no 517 extraction */ 518 519 #define VGE_VTAG_OPT2 0x04 /* TX: perform tag insertion, 520 RX: rx all, extract tags */ 521 522 #define VGE_VTAG_OPT3 0x06 /* TX: perform tag insertion, 523 RX: rx only tagged pkts, 524 with extraction */ 525 526 #define VGE_RXFIFOTHR_128BYTES 0x00 527 #define VGE_RXFIFOTHR_512BYTES 0x10 528 #define VGE_RXFIFOTHR_1024BYTES 0x20 529 #define VGE_RXFIFOTHR_STRNFWD 0x30 530 531 /* TX MAC config register */ 532 533 #define VGE_TXCFG_SNAPOPT 0x01 /* 1 == insert VLAN tag at 534 13th byte 535 0 == insert VLANM tag after 536 SNAP header (21st byte) */ 537 #define VGE_TXCFG_NONBLK 0x02 /* priority TX/non-blocking mode */ 538 #define VGE_TXCFG_NONBLK_THR 0x0C /* non-blocking threshold */ 539 #define VGE_TXCFG_ARB_PRIO 0x80 /* arbitration priority */ 540 541 #define VGE_TXBLOCK_64PKTS 0x00 542 #define VGE_TXBLOCK_32PKTS 0x04 543 #define VGE_TXBLOCK_128PKTS 0x08 544 #define VGE_TXBLOCK_8PKTS 0x0C 545 546 /* MIB control/status register */ 547 #define VGE_MIBCSR_CLR 0x01 548 #define VGE_MIBCSR_RINI 0x02 549 #define VGE_MIBCSR_FLUSH 0x04 550 #define VGE_MIBCSR_FREEZE 0x08 551 #define VGE_MIBCSR_HI_80 0x00 552 #define VGE_MIBCSR_HI_C0 0x10 553 #define VGE_MIBCSR_BISTGO 0x40 554 #define VGE_MIBCSR_BISTOK 0x80 555 556 /* MIB data index. */ 557 #define VGE_MIB_RX_FRAMES 0 558 #define VGE_MIB_RX_GOOD_FRAMES 1 559 #define VGE_MIB_TX_GOOD_FRAMES 2 560 #define VGE_MIB_RX_FIFO_OVERRUNS 3 561 #define VGE_MIB_RX_RUNTS 4 562 #define VGE_MIB_RX_RUNTS_ERRS 5 563 #define VGE_MIB_RX_PKTS_64 6 564 #define VGE_MIB_TX_PKTS_64 7 565 #define VGE_MIB_RX_PKTS_65_127 8 566 #define VGE_MIB_TX_PKTS_65_127 9 567 #define VGE_MIB_RX_PKTS_128_255 10 568 #define VGE_MIB_TX_PKTS_128_255 11 569 #define VGE_MIB_RX_PKTS_256_511 12 570 #define VGE_MIB_TX_PKTS_256_511 13 571 #define VGE_MIB_RX_PKTS_512_1023 14 572 #define VGE_MIB_TX_PKTS_512_1023 15 573 #define VGE_MIB_RX_PKTS_1024_1518 16 574 #define VGE_MIB_TX_PKTS_1024_1518 17 575 #define VGE_MIB_TX_COLLS 18 576 #define VGE_MIB_RX_CRCERRS 19 577 #define VGE_MIB_RX_JUMBOS 20 578 #define VGE_MIB_TX_JUMBOS 21 579 #define VGE_MIB_RX_PAUSE 22 580 #define VGE_MIB_TX_PAUSE 23 581 #define VGE_MIB_RX_ALIGNERRS 24 582 #define VGE_MIB_RX_PKTS_1519_MAX 25 583 #define VGE_MIB_RX_PKTS_1519_MAX_ERRS 26 584 #define VGE_MIB_TX_SQEERRS 27 585 #define VGE_MIB_RX_NOBUFS 28 586 #define VGE_MIB_RX_SYMERRS 29 587 #define VGE_MIB_RX_LENERRS 30 588 #define VGE_MIB_TX_LATECOLLS 31 589 590 #define VGE_MIB_CNT (VGE_MIB_TX_LATECOLLS - VGE_MIB_RX_FRAMES + 1) 591 #define VGE_MIB_DATA_MASK 0x00FFFFFF 592 #define VGE_MIB_DATA_IDX(x) ((x) >> 24) 593 594 /* Sticky bit shadow register */ 595 596 #define VGE_STICKHW_DS0 0x01 597 #define VGE_STICKHW_DS1 0x02 598 #define VGE_STICKHW_WOL_ENB 0x04 599 #define VGE_STICKHW_WOL_STS 0x08 600 #define VGE_STICKHW_SWPTAG 0x10 601 602 /* WOL pattern control */ 603 #define VGE_WOLCR0_PATTERN0 0x01 604 #define VGE_WOLCR0_PATTERN1 0x02 605 #define VGE_WOLCR0_PATTERN2 0x04 606 #define VGE_WOLCR0_PATTERN3 0x08 607 #define VGE_WOLCR0_PATTERN4 0x10 608 #define VGE_WOLCR0_PATTERN5 0x20 609 #define VGE_WOLCR0_PATTERN6 0x40 610 #define VGE_WOLCR0_PATTERN7 0x80 611 #define VGE_WOLCR0_PATTERN_ALL 0xFF 612 613 /* WOL event control */ 614 #define VGE_WOLCR1_UCAST 0x01 615 #define VGE_WOLCR1_MAGIC 0x02 616 #define VGE_WOLCR1_LINKON 0x04 617 #define VGE_WOLCR1_LINKOFF 0x08 618 619 /* Poweer management config */ 620 #define VGE_PWRCFG_LEGACY_WOLEN 0x01 621 #define VGE_PWRCFG_WOL_PULSE 0x20 622 #define VGE_PWRCFG_WOL_BUTTON 0x00 623 624 /* WOL config register */ 625 #define VGE_WOLCFG_PHYINT_ENB 0x01 626 #define VGE_WOLCFG_SAB 0x10 627 #define VGE_WOLCFG_SAM 0x20 628 #define VGE_WOLCFG_PMEOVR 0x80 629 630 /* EEPROM control/status register */ 631 632 #define VGE_EECSR_EDO 0x01 /* data out pin */ 633 #define VGE_EECSR_EDI 0x02 /* data in pin */ 634 #define VGE_EECSR_ECK 0x04 /* clock pin */ 635 #define VGE_EECSR_ECS 0x08 /* chip select pin */ 636 #define VGE_EECSR_DPM 0x10 /* direct program mode enable */ 637 #define VGE_EECSR_RELOAD 0x20 /* trigger reload from EEPROM */ 638 #define VGE_EECSR_EMBP 0x40 /* embedded program mode enable */ 639 640 /* EEPROM embedded command register */ 641 642 #define VGE_EECMD_ERD 0x01 /* EEPROM read command */ 643 #define VGE_EECMD_EWR 0x02 /* EEPROM write command */ 644 #define VGE_EECMD_EWEN 0x04 /* EEPROM write enable */ 645 #define VGE_EECMD_EWDIS 0x08 /* EEPROM write disable */ 646 #define VGE_EECMD_EDONE 0x80 /* read/write done */ 647 648 /* Chip operation and diagnostic control register */ 649 650 #define VGE_DIAGCTL_PHYINT_ENB 0x01 /* Enable PHY interrupts */ 651 #define VGE_DIAGCTL_TIMER0_RES 0x02 /* timer0 uSec resolution */ 652 #define VGE_DIAGCTL_TIMER1_RES 0x04 /* timer1 uSec resolution */ 653 #define VGE_DIAGCTL_LPSEL_DIS 0x08 /* disable LPSEL field */ 654 #define VGE_DIAGCTL_MACFORCE 0x10 /* MAC side force mode */ 655 #define VGE_DIAGCTL_FCRSVD 0x20 /* reserved for future fiber use */ 656 #define VGE_DIAGCTL_FDXFORCE 0x40 /* force full duplex mode */ 657 #define VGE_DIAGCTL_GMII 0x80 /* force GMII mode, otherwise MII */ 658 659 /* Location of station address in EEPROM */ 660 #define VGE_EE_EADDR 0 661 662 /* DMA descriptor structures */ 663 664 /* 665 * Each TX DMA descriptor has a control and status word, and 7 666 * fragment address/length words. If a transmitted packet spans 667 * more than 7 fragments, it has to be coalesced. 668 */ 669 670 #define VGE_TX_FRAGS 7 671 672 struct vge_tx_frag { 673 uint32_t vge_addrlo; 674 uint32_t vge_addrhi; 675 }; 676 677 /* 678 * The high bit in the buflen field of fragment #0 has special meaning. 679 * Normally, the chip requires the driver to issue a TX poll command 680 * for every packet that gets put in the TX DMA queue. Sometimes though, 681 * the driver might want to queue up several packets at once and just 682 * issue one transmit command to have all of them processed. In order 683 * to obtain this behavior, the special 'queue' bit must be set. 684 */ 685 686 #define VGE_TXDESC_Q 0x80000000 687 688 struct vge_tx_desc { 689 uint32_t vge_sts; 690 uint32_t vge_ctl; 691 struct vge_tx_frag vge_frag[VGE_TX_FRAGS]; 692 }; 693 694 #define VGE_TDSTS_COLLCNT 0x0000000F /* TX collision count */ 695 #define VGE_TDSTS_COLL 0x00000010 /* collision seen */ 696 #define VGE_TDSTS_OWINCOLL 0x00000020 /* out of window collision */ 697 #define VGE_TDSTS_OWT 0x00000040 /* jumbo frame tx abort */ 698 #define VGE_TDSTS_EXCESSCOLL 0x00000080 /* TX aborted, excess colls */ 699 #define VGE_TDSTS_HBEATFAIL 0x00000100 /* heartbeat detect failed */ 700 #define VGE_TDSTS_CARRLOSS 0x00000200 /* carrier sense lost */ 701 #define VGE_TDSTS_SHUTDOWN 0x00000400 /* shutdown during TX */ 702 #define VGE_TDSTS_LINKFAIL 0x00001000 /* link fail during TX */ 703 #define VGE_TDSTS_GMII 0x00002000 /* GMII transmission */ 704 #define VGE_TDSTS_FDX 0x00004000 /* full duplex transmit */ 705 #define VGE_TDSTS_TXERR 0x00008000 /* error occurred */ 706 #define VGE_TDSTS_SEGSIZE 0x3FFF0000 /* TCP large send size */ 707 #define VGE_TDSTS_OWN 0x80000000 /* own bit */ 708 709 #define VGE_TDCTL_VLANID 0x00000FFF /* VLAN ID */ 710 #define VGE_TDCTL_CFI 0x00001000 /* VLAN CFI bit */ 711 #define VGE_TDCTL_PRIO 0x0000E000 /* VLAN prio bits */ 712 #define VGE_TDCTL_NOCRC 0x00010000 /* disable CRC generation */ 713 #define VGE_TDCTL_JUMBO 0x00020000 /* jumbo frame */ 714 #define VGE_TDCTL_TCPCSUM 0x00040000 /* do TCP hw checksum */ 715 #define VGE_TDCTL_UDPCSUM 0x00080000 /* do UDP hw checksum */ 716 #define VGE_TDCTL_IPCSUM 0x00100000 /* do IP hw checksum */ 717 #define VGE_TDCTL_VTAG 0x00200000 /* insert VLAN tag */ 718 #define VGE_TDCTL_PRIO_INT 0x00400000 /* priority int request */ 719 #define VGE_TDCTL_TIC 0x00800000 /* transfer int request */ 720 #define VGE_TDCTL_TCPLSCTL 0x03000000 /* TCP large send ctl */ 721 #define VGE_TDCTL_FRAGCNT 0xF0000000 /* number of frags used */ 722 723 #define VGE_TD_LS_MOF 0x00000000 /* middle of large send */ 724 #define VGE_TD_LS_SOF 0x01000000 /* start of large send */ 725 #define VGE_TD_LS_EOF 0x02000000 /* end of large send */ 726 #define VGE_TD_LS_NORM 0x03000000 /* normal frame */ 727 728 /* Receive DMA descriptors have a single fragment pointer. */ 729 730 struct vge_rx_desc { 731 uint32_t vge_sts; 732 uint32_t vge_ctl; 733 uint32_t vge_addrlo; 734 uint32_t vge_addrhi; 735 }; 736 737 /* 738 * Like the TX descriptor, the high bit in the buflen field in the 739 * RX descriptor has special meaning. This bit controls whether or 740 * not interrupts are generated for this descriptor. 741 */ 742 743 #define VGE_RXDESC_I 0x80000000 744 745 #define VGE_RDSTS_VIDM 0x00000001 /* VLAN tag filter miss */ 746 #define VGE_RDSTS_CRCERR 0x00000002 /* bad CRC error */ 747 #define VGE_RDSTS_FAERR 0x00000004 /* frame alignment error */ 748 #define VGE_RDSTS_CSUMERR 0x00000008 /* bad TCP/IP checksum */ 749 #define VGE_RDSTS_RLERR 0x00000010 /* RX length error */ 750 #define VGE_RDSTS_SYMERR 0x00000020 /* PCS symbol error */ 751 #define VGE_RDSTS_SNTAG 0x00000040 /* RX'ed tagged SNAP pkt */ 752 #define VGE_RDSTS_DETAG 0x00000080 /* VLAN tag extracted */ 753 #define VGE_RDSTS_BOUNDARY 0x00000300 /* frame boundary bits */ 754 #define VGE_RDSTS_VTAG 0x00000400 /* VLAN tag indicator */ 755 #define VGE_RDSTS_UCAST 0x00000800 /* unicast frame */ 756 #define VGE_RDSTS_BCAST 0x00001000 /* broadcast frame */ 757 #define VGE_RDSTS_MCAST 0x00002000 /* multicast frame */ 758 #define VGE_RDSTS_PFT 0x00004000 /* perfect filter hit */ 759 #define VGE_RDSTS_RXOK 0x00008000 /* frame is good. */ 760 #define VGE_RDSTS_BUFSIZ 0x3FFF0000 /* received frame len */ 761 #define VGE_RDSTS_SHUTDOWN 0x40000000 /* shutdown during RX */ 762 #define VGE_RDSTS_OWN 0x80000000 /* own bit. */ 763 764 #define VGE_RXPKT_ONEFRAG 0x00000000 /* only one fragment */ 765 #define VGE_RXPKT_EOF 0x00000100 /* last frag in frame */ 766 #define VGE_RXPKT_SOF 0x00000200 /* first frag in frame */ 767 #define VGE_RXPKT_MOF 0x00000300 /* intermediate frag */ 768 769 #define VGE_RDCTL_VLANID 0x0000FFFF /* VLAN ID info */ 770 #define VGE_RDCTL_UDPPKT 0x00010000 /* UDP packet received */ 771 #define VGE_RDCTL_TCPPKT 0x00020000 /* TCP packet received */ 772 #define VGE_RDCTL_IPPKT 0x00040000 /* IP packet received */ 773 #define VGE_RDCTL_UDPZERO 0x00080000 /* pkt with UDP CSUM of 0 */ 774 #define VGE_RDCTL_FRAG 0x00100000 /* received IP frag */ 775 #define VGE_RDCTL_PROTOCSUMOK 0x00200000 /* TCP/UDP checksum ok */ 776 #define VGE_RDCTL_IPCSUMOK 0x00400000 /* IP checksum ok */ 777 #define VGE_RDCTL_FILTIDX 0x3C000000 /* interesting filter idx */ 778 779 #endif /* _IF_VGEREG_H_ */ 780