ref: eae58edb5a6f912d3fd06c96e01499ba46f730da
dir: /sys/src/9/imx8/etherimx.c/
#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "io.h" #include "../port/netif.h" #include "../port/etherif.h" #include "../port/ethermii.h" enum { Ptpclk = 100*Mhz, Busclk = 266*Mhz, Txclk = 125*Mhz, Maxtu = 1518, R_BUF_SIZE = ((Maxtu+BLOCKALIGN-1)&~BLOCKALIGN), }; enum { ENET_EIR = 0x004/4, /* Interrupt Event Register */ ENET_EIMR = 0x008/4, /* Interrupt Mask Register */ INT_BABR =1<<30, /* Babbling Receive Error */ INT_BABT =1<<31, /* Babbling Transmit Error */ INT_GRA =1<<28, /* Graceful Stop Complete */ INT_TXF =1<<27, /* Transmit Frame Interrupt */ INT_TXB =1<<26, /* Transmit Buffer Interrupt */ INT_RXF =1<<25, /* Receive Frame Interrupt */ INT_RXB =1<<24, /* Receive Buffer Interrupt */ INT_MII =1<<23, /* MII Interrupt */ INT_EBERR =1<<22, /* Ethernet Bus Error */ INT_LC =1<<21, /* Late Collision */ INT_RL =1<<20, /* Collision Retry Limit */ INT_UN =1<<19, /* Transmit FIFO Underrun */ INT_PLR =1<<18, /* Payload Receive Error */ INT_WAKEUP =1<<17, /* Node Wakeup Request Indication */ INT_TS_AVAIL =1<<16, /* Transmit Timestamp Available */ INT_TS_TIMER =1<<15, /* Timestamp Timer */ INT_RXFLUSH_2 =1<<14, /* RX DMA Ring 2 flush indication */ INT_RXFLUSH_1 =1<<13, /* RX DMA Ring 1 flush indication */ INT_RXFLUSH_0 =1<<12, /* RX DMA Ring 0 flush indication */ INT_TXF2 =1<<7, /* Transmit frame interrupt, class 2 */ INT_TXB2 =1<<6, /* Transmit buffer interrupt, class 2 */ INT_RXF2 =1<<5, /* Receive frame interrupt, class 2 */ INT_RXB2 =1<<4, /* Receive buffer interrupt, class 2 */ INT_TXF1 =1<<3, /* Transmit frame interrupt, class 1 */ INT_TXB1 =1<<2, /* Transmit buffer interrupt, class 1 */ INT_RXF1 =1<<1, /* Receive frame interrupt, class 1 */ INT_RXB1 =1<<0, /* Receive buffer interrupt, class 1 */ ENET_RDAR = 0x010/4, /* Receive Descriptor Active Register */ RDAR_ACTIVE =1<<24, /* Descriptor Active */ ENET_TDAR = 0x014/4, /* Transmit Descriptor Active Register */ TDAR_ACTIVE =1<<24, /* Descriptor Active */ ENET_ECR = 0x024/4, /* Ethernet Control Register */ ECR_RESERVED =7<<28, ECR_SVLANDBL =1<<11, /* S-VLAN double tag */ ECR_VLANUSE2ND =1<<10, /* VLAN use second tag */ ECR_SVLANEN =1<<9, /* S-VLAN enable */ ECR_DBSWP =1<<8, /* Descriptor Byte Swapping Enable */ ECR_DBGEN =1<<6, /* Debug Enable */ ECR_SPEED_100M =0<<5, ECR_SPEED_1000M =1<<5, ECR_EN1588 =1<<4, /* Enables enhanced functionality of the MAC */ ECR_SLEEP =1<<3, /* Sleep Mode Enable */ ECR_MAGICEN =1<<2, /* Magic Packet Detection Enable */ ECR_ETHEREN =1<<1, /* Ethernet Enable */ ECR_RESET =1<<0, /* Ethernet MAC Reset */ ENET_MMFR = 0x040/4, /* MII Management Frame Register */ MMFR_ST =1<<30, MMFR_RD =2<<28, MMFR_WR =1<<28, MMFR_PA_SHIFT =23, MMFR_TA =2<<16, MMFR_RA_SHIFT =18, ENET_MSCR = 0x044/4, /* MII Speed Control Register */ MSCR_SPEED_SHIFT=1, /* MII speed = module_clock/((SPEED+1)*2) */ MSCR_DIS_PRE =1<<7, /* disable preamble */ MSCR_HOLD_SHIFT =8, /* hold cycles in module_clock */ ENET_MIBC = 0x064/4, /* MIB Control Register */ ENET_RCR = 0x084/4, /* Receive Control Register */ RCR_GRS =1<<31, /* Gracefull Receive Stopped */ RCR_NLC =1<<30, /* Payload Length Check Disable */ RCR_MAX_FL_SHIFT=16, /* Maximum Frame Length */ RCR_CFEN =1<<15, /* MAC Control Frame Enable */ RCR_CRCFWD =1<<14, /* Forward Received CRC */ RCR_PAUFWD =1<<13, /* Forward Pause Frames */ RCR_PADEN =1<<12, /* Enable Frame Padding Remove */ RCR_RMII_10T =1<<9, /* Enables 10-Mbit/s mode of the RMII/RGMII */ RCR_RMII_MODE =1<<8, /* RMII Mode Enable */ RCR_RGMII_EN =1<<6, /* RGMII Mode Enable */ RCR_FCE =1<<5, /* Flow Control Enable */ RCR_REJ =1<<4, /* Broadcast Frame Reject */ RCR_PROM =1<<3, /* Promiscuous Mode */ RCR_MII_MODE =1<<2, /* Media Independent Interface Mode (must always be set) */ RCR_DRT =1<<1, /* Disable Receive On Timeout */ RCR_LOOP =1<<0, /* Internal Loopback */ ENET_TCR = 0x0C4/4, /* Transmit Control Register */ TCR_CRCFWD =1<<9, /* Foward Frame From Application With CRC */ TCR_ADDINS =1<<8, /* Set MAC Address on Transmit */ TCR_RFC_PAUSE =1<<4, /* Receive Frame Control Pause */ TCR_TFC_PAUSE =1<<3, /* Transmit Frame Control Pause */ TCR_FDEN =1<<2, /* Full-Duplex Enable */ TCR_GTS =1<<0, /* Graceful Transmit Stop */ ENET_PALR = 0x0E4/4, /* Physical Address Lower Register */ ENET_PAUR = 0x0E8/4, /* Physical Address Upper Register */ ENET_OPD = 0x0EC/4, /* Opcode/Pause Duration Register */ ENET_TXIC0 = 0x0F0/4, /* Transmit Interrupt Coalescing Register */ ENET_TXIC1 = 0x0F4/4, /* Transmit Interrupt Coalescing Register */ ENET_TXIC2 = 0x0F8/4, /* Transmit Interrupt Coalescing Register */ ENET_RXIC0 = 0x100/4, /* Receive Interrupt Coalescing Register */ ENET_RXIC1 = 0x104/4, /* Receive Interrupt Coalescing Register */ ENET_RXIC2 = 0x108/4, /* Receive Interrupt Coalescing Register */ IC_EN = 1<<31, IC_CS = 1<<30, IC_FT_SHIFT = 20, IC_TT_SHIFT = 0, ENET_IAUR = 0x118/4, /* Descriptor Individual Upper Address Register */ ENET_IALR = 0x11C/4, /* Descriptor Individual Lower Address Register */ ENET_GAUR = 0x120/4, /* Descriptor Group Upper Address Register */ ENET_GALR = 0x124/4, /* Descriptor Group Lower Address Register */ ENET_TFWR = 0x144/4, /* Transmit FIFO Watermark Register */ TFWR_STRFWD = 1<<8, ENET_RDSR1 = 0x160/4, /* Receive Descriptor Ring 1 Start Register */ ENET_TDSR1 = 0x164/4, /* Transmit Buffer Descriptor Ring 1 Start Register */ ENET_MRBR1 = 0x168/4, /* Maximum Receive Buffer Size Register Ring 1 */ ENET_RDSR2 = 0x16C/4, /* Receive Descriptor Ring 2 Start Register */ ENET_TDSR2 = 0x170/4, /* Transmit Buffer Descriptor Ring 2 Start Register */ ENET_MRBR2 = 0x174/4, /* Maximum Receive Buffer Size Register Ring 2 */ ENET_RDSR = 0x180/4, /* Receive Descriptor Ring 0 Start Register */ ENET_TDSR = 0x184/4, /* Transmit Buffer Descriptor Ring 0 Start Register */ ENET_MRBR = 0x188/4, /* Maximum Receive Buffer Size Register Ring 0 */ ENET_RSFL = 0x190/4, /* Receive FIFO Section Full Threshold */ ENET_RSEM = 0x194/4, /* Receive FIFO Section Empty Threshold */ ENET_RAEM = 0x198/4, /* Receive FIFO Almost Empty Threshold */ ENET_RAFL = 0x19C/4, /* Receive FIFO Almost Full Threshold */ ENET_TSEM = 0x1A0/4, /* Transmit FIFO Section Empty Threshold */ ENET_TAEM = 0x1A4/4, /* Transmit FIFO Almost Empty Threshold */ ENET_TAFL = 0x1A8/4, /* Transmit FIFO Almost Full Threshold */ ENET_TIPG = 0x1AC/4, /* Transmit Inter-Packet Gap */ ENET_FTRL = 0x1B0/4, /* Frame Truncation Length */ ENET_TACC = 0x1C0/4, /* Transmit Accelerator Function Configuration */ ENET_RACC = 0x1C4/4, /* Receive Accelerator Function Configuration */ ENET_RCMR1 = 0x1C8/4, /* Receive Classification Match Register */ ENET_RCMR2 = 0x1CC/4, /* Receive Classification Match Register */ ENET_DMA1CFG = 0x1D8/4, /* DMA Class Based Configuration */ ENET_DMA2CFG = 0x1DC/4, /* DMA Class Based Configuration */ ENET_RDAR1 = 0x1E0/4, /* Receive Descriptor Active Register - Ring 1 */ ENET_TDAR1 = 0x1E4/4, /* Transmit Descriptor Active Register - Ring 1 */ ENET_RDAR2 = 0x1E8/4, /* Receive Descriptor Active Register - Ring 2 */ ENET_TDAR2 = 0x1EC/4, /* Transmit Descriptor Active Register - Ring 2 */ ENET_QOS = 0x1F0/4, /* QOS Scheme */ }; enum { /* transmit descriptor status bits */ TD_R = 1<<(15+16), /* Ready */ TD_OWN = 1<<(14+16), /* Ownership */ TD_W = 1<<(13+16), /* Wrap */ TD_L = 1<<(11+16), /* Last in a frame */ TD_TC = 1<<(10+16), /* Transmit CRC */ TD_ERR = TD_TC, TD_LEN = 0xFFFF, /* receive desctriptor status bits */ RD_E = 1<<(15+16), /* Empty */ RD_W = 1<<(13+16), /* Wrap */ RD_L = 1<<(11+16), /* Last in a frame */ RD_M = 1<<(8+16), /* Miss */ RD_BC = 1<<(7+16), /* broadcast */ RD_MC = 1<<(6+16), /* multicast */ RD_LG = 1<<(5+16), /* length violation */ RD_NO = 1<<(4+16), /* non octet aligned frame */ RD_CR = 1<<(2+16), /* crc error */ RD_OV = 1<<(1+16), /* overrun */ RD_TR = 1<<(0+16), /* truncated */ RD_ERR = RD_LG | RD_NO | RD_CR | RD_OV | RD_TR, RD_LEN = 0xFFFF, }; typedef struct Descr Descr; struct Descr { u32int status; u32int addr; }; typedef struct Ctlr Ctlr; struct Ctlr { u32int *regs; u32int intmask; struct { Block *b[256]; Descr *d; Rendez; } rx[1]; struct { Block *b[256]; Descr *d; Rendez; } tx[1]; struct { Rendez; } free[1]; struct { Mii; int done; Rendez; } mii[1]; int attached; QLock; }; #define rr(c, r) ((c)->regs[r]) #define wr(c, r, v) ((c)->regs[r] = (v)) static int mdiodone(void *arg) { Ctlr *ctlr = arg; return ctlr->mii->done || (rr(ctlr, ENET_EIR) & INT_MII) != 0; } static int mdiowait(Ctlr *ctlr) { int i; for(i = 0; i < 200; i++){ tsleep(ctlr->mii, mdiodone, ctlr, 5); if(mdiodone(ctlr)) return 0; } return -1; } static int mdiow(Mii* mii, int phy, int addr, int data) { Ctlr *ctlr = mii->ctlr; data &= 0xFFFF; wr(ctlr, ENET_EIR, INT_MII); ctlr->mii->done = 0; wr(ctlr, ENET_MMFR, MMFR_WR | MMFR_ST | MMFR_TA | phy<<MMFR_PA_SHIFT | addr<<MMFR_RA_SHIFT | data); if(mdiowait(ctlr) < 0) return -1; return data; } static int mdior(Mii* mii, int phy, int addr) { Ctlr *ctlr = mii->ctlr; wr(ctlr, ENET_EIR, INT_MII); ctlr->mii->done = 0; wr(ctlr, ENET_MMFR, MMFR_RD | MMFR_ST | MMFR_TA | phy<<MMFR_PA_SHIFT | addr<<MMFR_RA_SHIFT); if(mdiowait(ctlr) < 0) return -1; return rr(ctlr, ENET_MMFR) & 0xFFFF; } static void interrupt(Ureg*, void *arg) { Ether *edev = arg; Ctlr *ctlr = edev->ctlr; u32int e; e = rr(ctlr, ENET_EIR); if(e & INT_RXF) wakeup(ctlr->rx); if(e & INT_TXF) wakeup(ctlr->tx); if(e & INT_MII) { ctlr->mii->done = 1; wakeup(ctlr->mii); } wr(ctlr, ENET_EIR, e); } static void shutdown(Ether *edev) { Ctlr *ctlr = edev->ctlr; coherence(); wr(ctlr, ENET_ECR, ECR_RESERVED | ECR_RESET); while(rr(ctlr, ENET_ECR) & ECR_RESET) delay(1); /* mask and clear interrupt events */ wr(ctlr, ENET_EIMR, 0); wr(ctlr, ENET_EIR, ~0); } static int tdfree(void *arg) { Descr *d = arg; return (d->status & (TD_OWN|TD_R)) == 0; } static void txproc(void *arg) { Ether *edev = arg; Ctlr *ctlr = edev->ctlr; Block *b; Descr *d; uint i = 0; while(waserror()) ; for(;;){ if((b = qbread(edev->oq, 100000)) == nil) break; d = &ctlr->tx->d[i]; while(!tdfree(d)) sleep(ctlr->free, tdfree, d); ctlr->tx->b[i] = b; dmaflush(1, b->rp, BLEN(b)); d->addr = PADDR(b->rp); coherence(); if(i == nelem(ctlr->tx->b)-1){ d->status = BLEN(b) | TD_OWN | TD_R | TD_L | TD_TC | TD_W; i = 0; } else { d->status = BLEN(b) | TD_OWN | TD_R | TD_L | TD_TC; i++; } wr(ctlr, ENET_TDAR, TDAR_ACTIVE); } } static int tddone(void *arg) { Descr *d = arg; return (d->status & (TD_OWN|TD_R)) == TD_OWN; } static void frproc(void *arg) { Ether *edev = arg; Ctlr *ctlr = edev->ctlr; Block *b; Descr *d; uint i = 0; while(waserror()) ; for(;;){ d = &ctlr->tx->d[i]; while(!tddone(d)) sleep(ctlr->tx, tddone, d); b = ctlr->tx->b[i]; ctlr->tx->b[i] = nil; coherence(); if(i == nelem(ctlr->tx->b)-1){ d->status = TD_W; i = 0; } else { d->status = 0; i++; } wakeup(ctlr->free); freeb(b); } } static int rdfull(void *arg) { Descr *d = arg; return (d->status & RD_E) == 0; } static void rxproc(void *arg) { Ether *edev = arg; Ctlr *ctlr = edev->ctlr; Block *b; Descr *d; uint s, i = 0; while(waserror()) ; for(;;){ d = &ctlr->rx->d[i]; s = d->status; if(s & RD_E){ sleep(ctlr->rx, rdfull, d); continue; } if(((s^RD_L) & (RD_L|RD_ERR)) == 0){ b = ctlr->rx->b[i]; b->wp = b->rp + (s & RD_LEN); dmaflush(0, b->rp, BLEN(b)); etheriq(edev, b); /* replenish */ b = allocb(R_BUF_SIZE); ctlr->rx->b[i] = b; dmaflush(1, b->rp, R_BUF_SIZE); d->addr = PADDR(b->rp); coherence(); } if(i == nelem(ctlr->rx->b)-1) { d->status = RD_E | RD_W; i = 0; } else { d->status = RD_E; i++; } wr(ctlr, ENET_RDAR, RDAR_ACTIVE); } } static void linkproc(void *arg) { Ether *edev = arg; Ctlr *ctlr = edev->ctlr; MiiPhy *phy; int link = 0; while(waserror()) ; miiane(ctlr->mii, ~0, ~0, ~0); for(;;){ miistatus(ctlr->mii); phy = ctlr->mii->curphy; if(phy->link == link){ tsleep(ctlr->mii, return0, nil, 5000); continue; } link = phy->link; if(link){ u32int ecr = rr(ctlr, ENET_ECR) & ~ECR_SPEED_1000M; u32int rcr = rr(ctlr, ENET_RCR) & ~(RCR_RMII_10T|RCR_FCE); u32int tcr = rr(ctlr, ENET_TCR) & ~(TCR_RFC_PAUSE|TCR_TFC_PAUSE|TCR_FDEN); switch(phy->speed){ case 1000: ecr |= ECR_SPEED_1000M; rcr |= RCR_FCE; /* receive fifo thresholds */ wr(ctlr, ENET_RSFL, 16); wr(ctlr, ENET_RSEM, 132); wr(ctlr, ENET_RAEM, 8); wr(ctlr, ENET_RAFL, 8); /* opcode/pause duration */ wr(ctlr, ENET_OPD, 0xFFF0); break; case 100: ecr |= ECR_SPEED_100M; break; case 10: rcr |= RCR_RMII_10T; break; } if(phy->fd) tcr |= TCR_FDEN; if(phy->rfc) tcr |= TCR_RFC_PAUSE; if(phy->tfc) tcr |= TCR_TFC_PAUSE; wr(ctlr, ENET_ECR, ecr); wr(ctlr, ENET_RCR, rcr); wr(ctlr, ENET_TCR, tcr); edev->mbps = phy->speed; wr(ctlr, ENET_RDAR, RDAR_ACTIVE); } edev->link = link; print("#l%d: link %d speed %d\n", edev->ctlrno, edev->link, edev->mbps); } } static void attach(Ether *edev) { Ctlr *ctlr = edev->ctlr; Descr *d; int i; eqlock(ctlr); if(ctlr->attached){ qunlock(ctlr); return; } if(waserror()){ qunlock(ctlr); nexterror(); } /* RGMII mode, max frame length */ wr(ctlr, ENET_RCR, RCR_MII_MODE | RCR_RGMII_EN | Maxtu<<RCR_MAX_FL_SHIFT); /* set MII clock to 2.5Mhz, 10ns hold time */ wr(ctlr, ENET_MSCR, ((Busclk/(2*2500000))-1)<<MSCR_SPEED_SHIFT | ((Busclk/1000000)-1)<<MSCR_HOLD_SHIFT); ctlr->intmask |= INT_MII; wr(ctlr, ENET_EIMR, ctlr->intmask); mii(ctlr->mii, ~0); if(ctlr->mii->curphy == nil) error("no phy"); print("#l%d: phy%d id %.8ux oui %x\n", edev->ctlrno, ctlr->mii->curphy->phyno, ctlr->mii->curphy->id, ctlr->mii->curphy->oui); /* clear mac filter hash table */ wr(ctlr, ENET_IALR, 0); wr(ctlr, ENET_IAUR, 0); wr(ctlr, ENET_GALR, 0); wr(ctlr, ENET_GAUR, 0); /* set MAC address */ wr(ctlr, ENET_PALR, (u32int)edev->ea[0]<<24 | (u32int)edev->ea[1]<<16 | (u32int)edev->ea[2]<<8 | edev->ea[3]<<0); wr(ctlr, ENET_PAUR, (u32int)edev->ea[4]<<24 | (u32int)edev->ea[5]<<16); if(ctlr->rx->d == nil) ctlr->rx->d = ucalloc(sizeof(Descr) * nelem(ctlr->rx->b)); for(i=0; i<nelem(ctlr->rx->b); i++){ Block *b = allocb(R_BUF_SIZE); ctlr->rx->b[i] = b; d = &ctlr->rx->d[i]; dmaflush(1, b->rp, R_BUF_SIZE); d->addr = PADDR(b->rp); d->status = RD_E; } ctlr->rx->d[nelem(ctlr->rx->b)-1].status = RD_E | RD_W; wr(ctlr, ENET_MRBR, R_BUF_SIZE); coherence(); wr(ctlr, ENET_RDSR, PADDR(ctlr->rx->d)); if(ctlr->tx->d == nil) ctlr->tx->d = ucalloc(sizeof(Descr) * nelem(ctlr->tx->b)); for(i=0; i<nelem(ctlr->tx->b); i++){ ctlr->tx->b[i] = nil; d = &ctlr->tx->d[i]; d->addr = 0; d->status = 0; } ctlr->tx->d[nelem(ctlr->tx->b)-1].status = TD_W; coherence(); wr(ctlr, ENET_TDSR, PADDR(ctlr->tx->d)); /* store and forward tx fifo */ wr(ctlr, ENET_TFWR, TFWR_STRFWD); /* interrupt coalescing: 200 pkts, 1000 µs */ wr(ctlr, ENET_RXIC0, IC_EN | 200<<IC_FT_SHIFT | ((1000*Txclk)/64000000)<<IC_TT_SHIFT); wr(ctlr, ENET_TXIC0, IC_EN | 200<<IC_FT_SHIFT | ((1000*Txclk)/64000000)<<IC_TT_SHIFT); ctlr->intmask |= INT_TXF | INT_RXF; wr(ctlr, ENET_EIMR, ctlr->intmask); /* enable ethernet */ wr(ctlr, ENET_ECR, rr(ctlr, ENET_ECR) | ECR_ETHEREN | ECR_DBSWP); ctlr->attached = 1; kproc("ether-rx", rxproc, edev); kproc("ether-tx", txproc, edev); kproc("ether-fr", frproc, edev); kproc("ether-link", linkproc, edev); qunlock(ctlr); poperror(); } static void prom(void *arg, int on) { Ether *edev = arg; Ctlr *ctlr = edev->ctlr; if(on) wr(ctlr, ENET_RCR, rr(ctlr, ENET_RCR) | RCR_PROM); else wr(ctlr, ENET_RCR, rr(ctlr, ENET_RCR) & ~RCR_PROM); } static void multi(void *arg, uchar*, int) { Ether *edev = arg; Ctlr *ctlr = edev->ctlr; Netaddr *a; u64int hash; hash = 0; for(a = edev->maddr; a != nil; a = a->next) hash |= 1ULL << ((ethercrc(a->addr, edev->alen) >> (32 - 6)) & 0x3F); wr(ctlr, ENET_GALR, hash & 0xFFFFFFFF); wr(ctlr, ENET_GAUR, hash >> 32); } static long ctl(Ether*, void*, long len) { return len; } static int reset(Ether *edev) { enum { OCOTP_HW_OCOTP_MAC_ADDR0 = 0x640/4, OCOTP_HW_OCOTP_MAC_ADDR1 = 0x650/4, }; static u32int *ocotp = (u32int*)(VIRTIO + 0x350000); u32int a0, a1; a0 = ocotp[OCOTP_HW_OCOTP_MAC_ADDR0]; a1 = ocotp[OCOTP_HW_OCOTP_MAC_ADDR1]; edev->ea[0] = a1>>8; edev->ea[1] = a1>>0; edev->ea[2] = a0>>24; edev->ea[3] = a0>>16; edev->ea[4] = a0>>8; edev->ea[5] = a0>>0; shutdown(edev); return 0; } static int pnp(Ether *edev) { static Ctlr ctlr[1]; if(ctlr->regs != nil) return -1; ctlr->regs = (u32int*)(VIRTIO + 0xbe0000); ctlr->mii->ctlr = ctlr; ctlr->mii->mir = mdior; ctlr->mii->miw = mdiow; edev->port = (uintptr)ctlr->regs - KZERO; edev->irq = IRQenet1; edev->ctlr = ctlr; edev->attach = attach; edev->shutdown = shutdown; edev->promiscuous = prom; edev->multicast = multi; edev->ctl = ctl; edev->arg = edev; edev->mbps = 1000; edev->maxmtu = Maxtu; iomuxpad("pad_enet_mdc", "enet1_mdc", "~LVTTL ~HYS ~PUE ~ODE SLOW 75_OHM"); iomuxpad("pad_enet_mdio", "enet1_mdio", "~LVTTL ~HYS ~PUE ODE SLOW 75_OHM"); iomuxpad("pad_enet_td3", "enet1_rgmii_td3", "~LVTTL ~HYS ~PUE ~ODE MAX 40_OHM"); iomuxpad("pad_enet_td2", "enet1_rgmii_td2", "~LVTTL ~HYS ~PUE ~ODE MAX 40_OHM"); iomuxpad("pad_enet_td1", "enet1_rgmii_td1", "~LVTTL ~HYS ~PUE ~ODE MAX 40_OHM"); iomuxpad("pad_enet_td0", "enet1_rgmii_td0", "~LVTTL ~HYS ~PUE ~ODE MAX 40_OHM"); iomuxpad("pad_enet_tx_ctl", "enet1_rgmii_tx_ctl", "~LVTTL ~HYS ~PUE ~ODE MAX 40_OHM VSEL_0"); iomuxpad("pad_enet_txc", "enet1_rgmii_txc", "~LVTTL ~HYS ~PUE ~ODE MAX 40_OHM"); iomuxpad("pad_enet_rxc", "enet1_rgmii_rxc", "~LVTTL HYS ~PUE ~ODE FAST 255_OHM"); iomuxpad("pad_enet_rx_ctl", "enet1_rgmii_rx_ctl", "~LVTTL HYS ~PUE ~ODE FAST 255_OHM"); iomuxpad("pad_enet_rd0", "enet1_rgmii_rd0", "~LVTTL HYS ~PUE ~ODE FAST 255_OHM"); iomuxpad("pad_enet_rd1", "enet1_rgmii_rd1", "~LVTTL HYS ~PUE ~ODE FAST 255_OHM"); iomuxpad("pad_enet_rd2", "enet1_rgmii_rd2", "~LVTTL HYS ~PUE ~ODE FAST 255_OHM"); iomuxpad("pad_enet_rd3", "enet1_rgmii_rd3", "~LVTTL HYS ~PUE ~ODE FAST 255_OHM"); setclkgate("enet1.ipp_ind_mac0_txclk", 0); setclkgate("sim_enet.mainclk", 0); setclkrate("enet1.ipg_clk", "system_pll1_div3", Busclk); setclkrate("enet1.ipp_ind_mac0_txclk", "system_pll2_div8", Txclk); setclkrate("enet1.ipg_clk_time", "system_pll2_div10", Ptpclk); setclkgate("enet1.ipp_ind_mac0_txclk", 1); setclkgate("sim_enet.mainclk", 1); if(reset(edev) < 0) return -1; intrenable(edev->irq+0, interrupt, edev, BUSUNKNOWN, edev->name); intrenable(edev->irq+1, interrupt, edev, BUSUNKNOWN, edev->name); intrenable(edev->irq+2, interrupt, edev, BUSUNKNOWN, edev->name); intrenable(edev->irq+3, interrupt, edev, BUSUNKNOWN, edev->name); return 0; } void etherimxlink(void) { addethercard("imx", pnp); }