15b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* 25b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project Driver for the National Semiconductor DP83810 Ethernet controller. 35b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 45b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project Portions Copyright (C) 2001 Inprimis Technologies, Inc. 55b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project http://www.inprimis.com/ 65b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 75b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project This driver is based (heavily) on the Linux driver for this chip 85b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project which is copyright 1999-2001 by Donald Becker. 95b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 105b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project This software has no warranties expressed or implied for any 115b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project purpose. 125b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 135b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project This software may be used and distributed according to the terms of 145b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project the GNU General Public License (GPL), incorporated herein by reference. 155b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project Drivers based on or derived from this code fall under the GPL and must 165b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project retain the authorship, copyright and license notice. This file is not 175b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project a complete program and may only be used when the entire operating 185b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project system is licensed under the GPL. License for under other terms may be 195b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project available. Contact the original author for details. 205b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 215b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project The original author may be reached as becker@scyld.com, or at 225b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project Scyld Computing Corporation 235b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 410 Severn Ave., Suite 210 245b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project Annapolis MD 21403 255b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project*/ 265b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 275b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 285b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projecttypedef unsigned char u8; 295b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projecttypedef signed char s8; 305b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projecttypedef unsigned short u16; 315b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projecttypedef signed short s16; 325b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projecttypedef unsigned int u32; 335b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projecttypedef signed int s32; 345b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 355b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#include "etherboot.h" 365b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#include "nic.h" 375b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#include "pci.h" 385b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 395b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#undef virt_to_bus 405b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define virt_to_bus(x) ((unsigned long)x) 415b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define cpu_to_le32(val) (val) 425b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define le32_to_cpu(val) (val) 435b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define virt_to_le32desc(addr) cpu_to_le32(virt_to_bus(addr)) 445b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define le32desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr)) 455b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 465b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define TX_RING_SIZE 1 475b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define RX_RING_SIZE 4 485b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define TIME_OUT 1000000 495b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define PKT_BUF_SZ 1536 505b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 515b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Offsets to the device registers. */ 525b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectenum register_offsets { 535b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project ChipCmd=0x00, ChipConfig=0x04, EECtrl=0x08, PCIBusCfg=0x0C, 545b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project IntrStatus=0x10, IntrMask=0x14, IntrEnable=0x18, 555b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project TxRingPtr=0x20, TxConfig=0x24, 565b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project RxRingPtr=0x30, RxConfig=0x34, 575b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project WOLCmd=0x40, PauseCmd=0x44, RxFilterAddr=0x48, RxFilterData=0x4C, 585b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project BootRomAddr=0x50, BootRomData=0x54, StatsCtrl=0x5C, StatsData=0x60, 595b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project RxPktErrs=0x60, RxMissed=0x68, RxCRCErrs=0x64, 605b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 615b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 625b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Bit in ChipCmd. */ 635b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectenum ChipCmdBits { 645b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project ChipReset=0x100, RxReset=0x20, TxReset=0x10, RxOff=0x08, RxOn=0x04, 655b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project TxOff=0x02, TxOn=0x01, 665b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 675b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 685b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Bits in the interrupt status/mask registers. */ 695b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectenum intr_status_bits { 705b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project IntrRxDone=0x0001, IntrRxIntr=0x0002, IntrRxErr=0x0004, IntrRxEarly=0x0008, 715b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project IntrRxIdle=0x0010, IntrRxOverrun=0x0020, 725b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project IntrTxDone=0x0040, IntrTxIntr=0x0080, IntrTxErr=0x0100, 735b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project IntrTxIdle=0x0200, IntrTxUnderrun=0x0400, 745b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project StatsMax=0x0800, LinkChange=0x4000, WOLPkt=0x2000, 755b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project RxResetDone=0x1000000, TxResetDone=0x2000000, 765b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project IntrPCIErr=0x00f00000, IntrNormalSummary=0x0251, IntrAbnormalSummary=0xED20, 775b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 785b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 795b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Bits in the RxMode register. */ 805b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectenum rx_mode_bits { 815b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project AcceptErr=0x20, AcceptRunt=0x10, AcceptBroadcast=0xC0000000, 825b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project AcceptMulticast=0x00200000, AcceptAllMulticast=0x20000000, 835b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project AcceptAllPhys=0x10000000, AcceptMyPhys=0x08000000, 845b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 855b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 865b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Bits in network_desc.status */ 875b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectenum desc_status_bits { 885b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project DescOwn=0x80000000, DescMore=0x40000000, DescIntr=0x20000000, 895b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project DescNoCRC=0x10000000, 905b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project DescPktOK=0x08000000, RxTooLong=0x00400000, 915b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 925b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 935b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* The Rx and Tx buffer descriptors. */ 945b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstruct netdev_desc { 955b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project u32 next_desc; 965b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project s32 cmd_status; 975b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project u32 addr; 985b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 995b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1005b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic struct FA311_DEV { 1015b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project unsigned int ioaddr; 1025b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project unsigned short vendor; 1035b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project unsigned short device; 1045b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project unsigned int cur_rx; 1055b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project unsigned int cur_tx; 1065b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project unsigned int rx_buf_sz; 1075b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project volatile struct netdev_desc *rx_head_desc; 1085b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project volatile struct netdev_desc rx_ring[RX_RING_SIZE] __attribute__ ((aligned (4))); 1095b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project volatile struct netdev_desc tx_ring[TX_RING_SIZE] __attribute__ ((aligned (4))); 1105b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} fa311_dev; 1115b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1125b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic int eeprom_read(long ioaddr, int location); 1135b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void init_ring(struct FA311_DEV *dev); 1145b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void fa311_reset(struct nic *nic); 1155b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic int fa311_poll(struct nic *nic); 1165b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void fa311_transmit(struct nic *nic, const char *d, unsigned int t, unsigned int s, const char *p); 1175b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void fa311_disable(struct nic *nic); 1185b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1195b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic char rx_packet[PKT_BUF_SZ * RX_RING_SIZE] __attribute__ ((aligned (4))); 1205b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic char tx_packet[PKT_BUF_SZ * TX_RING_SIZE] __attribute__ ((aligned (4))); 1215b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1225b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstruct nic * fa311_probe(struct nic *nic, unsigned short *io_addrs, struct pci_device *pci) 1235b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project{ 1245b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint prev_eedata; 1255b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint i; 1265b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint duplex; 1275b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint tx_config; 1285b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint rx_config; 1295b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectunsigned char macaddr[6]; 1305b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectunsigned char mactest; 1315b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectunsigned char pci_bus = 0; 1325b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstruct FA311_DEV* dev = &fa311_dev; 1335b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1345b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (io_addrs == 0 || *io_addrs == 0) 1355b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project return (0); 1365b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project memset(dev, 0, sizeof(*dev)); 1375b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->vendor = pci->vendor; 1385b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->device = pci->dev_id; 1395b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->ioaddr = pci->membase; 1405b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1415b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Work around the dropped serial bit. */ 1425b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project prev_eedata = eeprom_read(dev->ioaddr, 6); 1435b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < 3; i++) { 1445b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project int eedata = eeprom_read(dev->ioaddr, i + 7); 1455b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project macaddr[i*2] = (eedata << 1) + (prev_eedata >> 15); 1465b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project macaddr[i*2+1] = eedata >> 7; 1475b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project prev_eedata = eedata; 1485b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 1495b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project mactest = 0; 1505b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < 6; i++) 1515b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project mactest |= macaddr[i]; 1525b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (mactest == 0) 1535b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project return (0); 1545b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < 6; i++) 1555b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project nic->node_addr[i] = macaddr[i]; 1565b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project printf("%! ", nic->node_addr); 1575b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1585b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project adjust_pci_device(pci); 1595b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1605b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project fa311_reset(nic); 1615b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1625b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project nic->reset = fa311_reset; 1635b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project nic->disable = fa311_disable; 1645b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project nic->poll = fa311_poll; 1655b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project nic->transmit = fa311_transmit; 1665b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1675b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project init_ring(dev); 1685b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1695b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(virt_to_bus(dev->rx_ring), dev->ioaddr + RxRingPtr); 1705b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(virt_to_bus(dev->tx_ring), dev->ioaddr + TxRingPtr); 1715b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1725b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < 6; i += 2) 1735b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 1745b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(i, dev->ioaddr + RxFilterAddr); 1755b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writew(macaddr[i] + (macaddr[i+1] << 8), 1765b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->ioaddr + RxFilterData); 1775b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 1785b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1795b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Initialize other registers. */ 1805b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Configure for standard, in-spec Ethernet. */ 1815b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (readl(dev->ioaddr + ChipConfig) & 0x20000000) 1825b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { /* Full duplex */ 1835b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project tx_config = 0xD0801002; 1845b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project rx_config = 0x10000020; 1855b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 1865b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project else 1875b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 1885b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project tx_config = 0x10801002; 1895b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project rx_config = 0x0020; 1905b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 1915b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(tx_config, dev->ioaddr + TxConfig); 1925b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(rx_config, dev->ioaddr + RxConfig); 1935b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 1945b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project duplex = readl(dev->ioaddr + ChipConfig) & 0x20000000 ? 1 : 0; 1955b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (duplex) { 1965b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project rx_config |= 0x10000000; 1975b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project tx_config |= 0xC0000000; 1985b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } else { 1995b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project rx_config &= ~0x10000000; 2005b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project tx_config &= ~0xC0000000; 2015b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 2025b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writew(tx_config, dev->ioaddr + TxConfig); 2035b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writew(rx_config, dev->ioaddr + RxConfig); 2045b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2055b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(AcceptBroadcast | AcceptAllMulticast | AcceptMyPhys, 2065b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->ioaddr + RxFilterAddr); 2075b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2085b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(RxOn | TxOn, dev->ioaddr + ChipCmd); 2095b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(4, dev->ioaddr + StatsCtrl); /* Clear Stats */ 2105b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project return nic; 2115b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2125b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} 2135b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2145b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void fa311_reset(struct nic *nic) 2155b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project{ 2165b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectu32 chip_config; 2175b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstruct FA311_DEV* dev = &fa311_dev; 2185b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2195b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Reset the chip to erase previous misconfiguration. */ 2205b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project outl(ChipReset, dev->ioaddr + ChipCmd); 2215b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2225b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if ((readl(dev->ioaddr + ChipConfig) & 0xe000) != 0xe000) 2235b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 2245b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project chip_config = readl(dev->ioaddr + ChipConfig); 2255b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 2265b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} 2275b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2285b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic int fa311_poll(struct nic *nic) 2295b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project{ 2305b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projects32 desc_status; 2315b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint to; 2325b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint entry; 2335b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint retcode; 2345b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstruct FA311_DEV* dev = &fa311_dev; 2355b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2365b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project retcode = 0; 2375b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project entry = dev->cur_rx; 2385b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project to = TIME_OUT; 2395b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project while (to != 0) 2405b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 2415b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project desc_status = dev->rx_ring[entry].cmd_status; 2425b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if ((desc_status & DescOwn) != 0) 2435b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project break; 2445b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project else 2455b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project --to; 2465b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 2475b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (to != 0) 2485b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 2495b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project readl(dev->ioaddr + IntrStatus); /* clear interrrupt bits */ 2505b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* driver owns the next entry it's a new packet. Send it up. */ 2515b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if ((desc_status & (DescMore|DescPktOK|RxTooLong)) == DescPktOK) 2525b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 2535b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project nic->packetlen = (desc_status & 0x0fff) - 4; /* Omit CRC size. */ 2545b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project memcpy(nic->packet, (char*)(dev->rx_ring[entry].addr), nic->packetlen); 2555b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project retcode = 1; 2565b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 2575b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Give the descriptor back to the chip */ 2585b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_ring[entry].cmd_status = cpu_to_le32(dev->rx_buf_sz); 2595b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->cur_rx++; 2605b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (dev->cur_rx >= RX_RING_SIZE) 2615b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->cur_rx = 0; 2625b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_head_desc = &dev->rx_ring[dev->cur_rx]; 2635b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 2645b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Restart Rx engine if stopped. */ 2655b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(RxOn, dev->ioaddr + ChipCmd); 2665b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project return retcode; 2675b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} 2685b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2695b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void fa311_transmit(struct nic *nic, const char *destaddr, unsigned int type, unsigned int len, const char *data) 2705b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project{ 2715b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectunsigned short nstype; 2725b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projects32 desc_status; 2735b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint to; 2745b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectint entry; 2755b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectchar* txp; 2765b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectunsigned char* s; 2775b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstruct FA311_DEV* dev = &fa311_dev; 2785b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2795b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Calculate the next Tx descriptor entry. */ 2805b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project entry = dev->cur_tx; 2815b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project txp = (char*)(dev->tx_ring[entry].addr); 2825b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 2835b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project memcpy(txp, destaddr, ETH_ALEN); 2845b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project memcpy(txp + ETH_ALEN, nic->node_addr, ETH_ALEN); 2855b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project nstype = htons(type); 2865b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project memcpy(txp + 12, (char*)&nstype, 2); 2875b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project memcpy(txp + ETH_HLEN, data, len); 2885b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project len += ETH_HLEN; 2895b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* pad frame */ 2905b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (len < ETH_ZLEN) 2915b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 2925b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project s = (unsigned char*)(txp+len); 2935b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project while (s < (unsigned char*)(txp+ETH_ZLEN)) 2945b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project *s++ = 0; 2955b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project len = ETH_ZLEN; 2965b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 2975b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->tx_ring[entry].cmd_status = cpu_to_le32(DescOwn | len); 2985b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->cur_tx++; 2995b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if (dev->cur_tx >= TX_RING_SIZE) 3005b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->cur_tx = 0; 3015b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3025b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Wake the potentially-idle transmit channel. */ 3035b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(TxOn, dev->ioaddr + ChipCmd); 3045b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3055b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* wait for tranmission to complete */ 3065b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project to = TIME_OUT; 3075b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project while (to != 0) 3085b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project { 3095b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project desc_status = dev->tx_ring[entry].cmd_status; 3105b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project if ((desc_status & DescOwn) == 0) 3115b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project break; 3125b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project else 3135b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project --to; 3145b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 3155b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3165b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project readl(dev->ioaddr + IntrStatus); /* clear interrrupt bits */ 3175b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project return; 3185b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} 3195b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3205b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void fa311_disable(struct nic *nic) 3215b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project{ 3225b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstruct FA311_DEV* dev = &fa311_dev; 3235b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3245b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Stop the chip's Tx and Rx processes. */ 3255b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(RxOff | TxOff, dev->ioaddr + ChipCmd); 3265b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} 3275b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3285b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3295b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Read the EEPROM and MII Management Data I/O (MDIO) interfaces. 3305b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project The EEPROM code is for the common 93c06/46 EEPROMs with 6 bit addresses. */ 3315b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3325b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Delay between EEPROM clock transitions. 3335b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project No extra delay is needed with 33Mhz PCI, but future 66Mhz access may need 3345b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project a delay. Note that pre-2.0.34 kernels had a cache-alignment bug that 3355b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project made udelay() unreliable. 3365b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project The old method of using an ISA access as a delay, __SLOW_DOWN_IO__, is 3375b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project depricated. 3385b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project*/ 3395b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define eeprom_delay(ee_addr) inl(ee_addr) 3405b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3415b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectenum EEPROM_Ctrl_Bits { 3425b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project EE_ShiftClk=0x04, EE_DataIn=0x01, EE_ChipSelect=0x08, EE_DataOut=0x02, 3435b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 3445b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define EE_Write0 (EE_ChipSelect) 3455b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project#define EE_Write1 (EE_ChipSelect | EE_DataIn) 3465b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3475b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* The EEPROM commands include the alway-set leading bit. */ 3485b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectenum EEPROM_Cmds { 3495b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project EE_WriteCmd=(5 << 6), EE_ReadCmd=(6 << 6), EE_EraseCmd=(7 << 6), 3505b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project}; 3515b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3525b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3535b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic int eeprom_read(long addr, int location) 3545b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project{ 3555b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project int i; 3565b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project int retval = 0; 3575b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project int ee_addr = addr + EECtrl; 3585b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project int read_cmd = location | EE_ReadCmd; 3595b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(EE_Write0, ee_addr); 3605b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3615b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Shift the read command bits out. */ 3625b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 10; i >= 0; i--) { 3635b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project short dataval = (read_cmd & (1 << i)) ? EE_Write1 : EE_Write0; 3645b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(dataval, ee_addr); 3655b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project eeprom_delay(ee_addr); 3665b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(dataval | EE_ShiftClk, ee_addr); 3675b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project eeprom_delay(ee_addr); 3685b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 3695b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(EE_ChipSelect, ee_addr); 3705b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project eeprom_delay(ee_addr); 3715b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3725b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < 16; i++) { 3735b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(EE_ChipSelect | EE_ShiftClk, ee_addr); 3745b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project eeprom_delay(ee_addr); 3755b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project retval |= (readl(ee_addr) & EE_DataOut) ? 1 << i : 0; 3765b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(EE_ChipSelect, ee_addr); 3775b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project eeprom_delay(ee_addr); 3785b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 3795b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3805b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Terminate the EEPROM access. */ 3815b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(EE_Write0, ee_addr); 3825b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project writel(0, ee_addr); 3835b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project return retval; 3845b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} 3855b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3865b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project/* Initialize the Rx and Tx rings, along with various 'dev' bits. */ 3875b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Projectstatic void init_ring(struct FA311_DEV *dev) 3885b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project{ 3895b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project int i; 3905b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3915b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->cur_rx = 0; 3925b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->cur_tx = 0; 3935b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3945b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_buf_sz = PKT_BUF_SZ; 3955b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_head_desc = &dev->rx_ring[0]; 3965b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 3975b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Initialize all Rx descriptors. */ 3985b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < RX_RING_SIZE; i++) { 3995b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_ring[i].next_desc = virt_to_le32desc(&dev->rx_ring[i+1]); 4005b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_ring[i].cmd_status = DescOwn; 4015b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 4025b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Mark the last entry as wrapping the ring. */ 4035b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_ring[i-1].next_desc = virt_to_le32desc(&dev->rx_ring[0]); 4045b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 4055b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project /* Fill in the Rx buffers. Handle allocation failure gracefully. */ 4065b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < RX_RING_SIZE; i++) { 4075b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_ring[i].addr = (u32)(&rx_packet[PKT_BUF_SZ * i]); 4085b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->rx_ring[i].cmd_status = cpu_to_le32(dev->rx_buf_sz); 4095b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 4105b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 4115b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < TX_RING_SIZE; i++) { 4125b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->tx_ring[i].next_desc = virt_to_le32desc(&dev->tx_ring[i+1]); 4135b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->tx_ring[i].cmd_status = 0; 4145b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project } 4155b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->tx_ring[i-1].next_desc = virt_to_le32desc(&dev->tx_ring[0]); 4165b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 4175b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project for (i = 0; i < TX_RING_SIZE; i++) 4185b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project dev->tx_ring[i].addr = (u32)(&tx_packet[PKT_BUF_SZ * i]); 4195b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project return; 4205b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project} 4215b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4The Android Open Source Project 422