| /* |
| * (C) Copyright 2000-2004 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * (C) Copyright 2007 |
| * TsiChung Liew (Tsi-Chung.Liew@freescale.com) |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <common.h> |
| #include <malloc.h> |
| |
| #include <asm/fec.h> |
| #include <asm/m5329.h> |
| #include <asm/immap_5329.h> |
| |
| #include <command.h> |
| #include <config.h> |
| #include <net.h> |
| #include <miiphy.h> |
| |
| #ifdef CONFIG_MCFFEC |
| #undef ET_DEBUG |
| #undef MII_DEBUG |
| |
| /* Ethernet Transmit and Receive Buffers */ |
| #define DBUF_LENGTH 1520 |
| |
| #define TX_BUF_CNT 2 |
| |
| /* |
| NOTE: PKT_MAXBUF_SIZE must be larger or equal to PKT_MAXBLR_SIZE, |
| see M54455 User Manual for MAX_FL of Receive Control Register for more |
| description. If PKT_MAXBUF_SIZE set to 1518, the FEC bandwidth will |
| reduce to about 20~40% of normal bandwidth. Changing PKT_MAXBLR_SIZE |
| will not make any improvement on speed |
| */ |
| #define PKT_MAXBUF_SIZE 1518 |
| #define PKT_MINBUF_SIZE 64 |
| #define PKT_MAXBLR_SIZE 1520 |
| #define LAST_PKTBUFSRX PKTBUFSRX - 1 |
| #define BD_ENET_RX_W_E (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY) |
| #define BD_ENET_TX_RDY_LST (BD_ENET_TX_READY | BD_ENET_TX_LAST) |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) |
| |
| struct fec_info_s fec_info[] = { |
| #ifdef CFG_FEC0_IOBASE |
| { |
| 0, /* index */ |
| CFG_FEC0_IOBASE, /* io base */ |
| CFG_FEC0_PINMUX, /* gpio pin muxing */ |
| CFG_FEC0_MIIBASE, /* mii base */ |
| -1, /* phy_addr */ |
| 0, /* duplex and speed */ |
| 0, /* phy name */ |
| 0, /* phyname init */ |
| 0, /* RX BD */ |
| 0, /* TX BD */ |
| 0, /* rx Index */ |
| 0, /* tx Index */ |
| 0, /* tx buffer */ |
| 0, /* initialized flag */ |
| }, |
| #endif |
| #ifdef CFG_FEC1_IOBASE |
| { |
| 1, /* index */ |
| CFG_FEC1_IOBASE, /* io base */ |
| CFG_FEC1_PINMUX, /* gpio pin muxing */ |
| CFG_FEC1_MIIBASE, /* mii base */ |
| -1, /* phy_addr */ |
| 0, /* duplex and speed */ |
| 0, /* phy name */ |
| 0, /* phy name init */ |
| 0, /* RX BD */ |
| 0, /* TX BD */ |
| 0, /* rx Index */ |
| 0, /* tx Index */ |
| 0, /* tx buffer */ |
| 0, /* initialized flag */ |
| } |
| #endif |
| }; |
| |
| /* |
| * FEC Ethernet Tx and Rx buffer descriptors allocated at the |
| * immr->udata_bd address on Dual-Port RAM |
| * Provide for Double Buffering |
| */ |
| |
| int fec_send(struct eth_device *dev, volatile void *packet, int length); |
| int fec_recv(struct eth_device *dev); |
| int fec_init(struct eth_device *dev, bd_t * bd); |
| void fec_halt(struct eth_device *dev); |
| void fec_reset(struct eth_device *dev); |
| |
| extern int fecpin_setclear(struct eth_device *dev, int setclear); |
| |
| #ifdef CFG_DISCOVER_PHY |
| extern void mii_init(void); |
| extern uint mii_send(uint mii_cmd); |
| extern int mii_discover_phy(struct eth_device *dev); |
| extern int mcffec_miiphy_read(char *devname, unsigned char addr, |
| unsigned char reg, unsigned short *value); |
| extern int mcffec_miiphy_write(char *devname, unsigned char addr, |
| unsigned char reg, unsigned short value); |
| #endif |
| |
| void setFecDuplexSpeed(volatile fec_t * fecp, bd_t * bd, int dup_spd) |
| { |
| if ((dup_spd >> 16) == FULL) { |
| /* Set maximum frame length */ |
| fecp->rcr = FEC_RCR_MAX_FL(PKT_MAXBUF_SIZE) | FEC_RCR_MII_MODE | |
| FEC_RCR_PROM | 0x100; |
| fecp->tcr = FEC_TCR_FDEN; |
| } else { |
| /* Half duplex mode */ |
| fecp->rcr = FEC_RCR_MAX_FL(PKT_MAXBUF_SIZE) | |
| FEC_RCR_MII_MODE | FEC_RCR_DRT; |
| fecp->tcr &= ~FEC_TCR_FDEN; |
| } |
| |
| if ((dup_spd & 0xFFFF) == _100BASET) { |
| #ifdef MII_DEBUG |
| printf("100Mbps\n"); |
| #endif |
| bd->bi_ethspeed = 100; |
| } else { |
| #ifdef MII_DEBUG |
| printf("10Mbps\n"); |
| #endif |
| bd->bi_ethspeed = 10; |
| } |
| } |
| |
| int fec_send(struct eth_device *dev, volatile void *packet, int length) |
| { |
| struct fec_info_s *info = dev->priv; |
| volatile fec_t *fecp = (fec_t *) (info->iobase); |
| int j, rc; |
| u16 phyStatus; |
| |
| miiphy_read(dev->name, info->phy_addr, PHY_BMSR, &phyStatus); |
| |
| /* section 16.9.23.3 |
| * Wait for ready |
| */ |
| j = 0; |
| while ((info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_READY) && |
| (j < MCFFEC_TOUT_LOOP)) { |
| udelay(1); |
| j++; |
| } |
| if (j >= MCFFEC_TOUT_LOOP) { |
| printf("TX not ready\n"); |
| } |
| |
| info->txbd[info->txIdx].cbd_bufaddr = (uint) packet; |
| info->txbd[info->txIdx].cbd_datlen = length; |
| info->txbd[info->txIdx].cbd_sc |= BD_ENET_TX_RDY_LST; |
| |
| /* Activate transmit Buffer Descriptor polling */ |
| fecp->tdar = 0x01000000; /* Descriptor polling active */ |
| |
| j = 0; |
| while ((info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_READY) && |
| (j < MCFFEC_TOUT_LOOP)) { |
| udelay(1); |
| j++; |
| } |
| if (j >= MCFFEC_TOUT_LOOP) { |
| printf("TX timeout\n"); |
| } |
| #ifdef ET_DEBUG |
| printf("%s[%d] %s: cycles: %d status: %x retry cnt: %d\n", |
| __FILE__, __LINE__, __FUNCTION__, j, |
| info->txbd[info->txIdx].cbd_sc, |
| (info->txbd[info->txIdx].cbd_sc & 0x003C) >> 2); |
| #endif |
| |
| /* return only status bits */ ; |
| rc = (info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_STATS); |
| info->txIdx = (info->txIdx + 1) % TX_BUF_CNT; |
| |
| return rc; |
| } |
| |
| int fec_recv(struct eth_device *dev) |
| { |
| struct fec_info_s *info = dev->priv; |
| volatile fec_t *fecp = (fec_t *) (info->iobase); |
| int length; |
| |
| for (;;) { |
| /* section 16.9.23.2 */ |
| if (info->rxbd[info->rxIdx].cbd_sc & BD_ENET_RX_EMPTY) { |
| length = -1; |
| break; /* nothing received - leave for() loop */ |
| } |
| |
| length = info->rxbd[info->rxIdx].cbd_datlen; |
| |
| if (info->rxbd[info->rxIdx].cbd_sc & 0x003f) { |
| printf("%s[%d] err: %x\n", |
| __FUNCTION__, __LINE__, |
| info->rxbd[info->rxIdx].cbd_sc); |
| #ifdef ET_DEBUG |
| printf("%s[%d] err: %x\n", |
| __FUNCTION__, __LINE__, |
| info->rxbd[info->rxIdx].cbd_sc); |
| #endif |
| } else { |
| |
| length -= 4; |
| /* Pass the packet up to the protocol layers. */ |
| NetReceive(NetRxPackets[info->rxIdx], length); |
| |
| fecp->eir |= FEC_EIR_RXF; |
| } |
| |
| /* Give the buffer back to the FEC. */ |
| info->rxbd[info->rxIdx].cbd_datlen = 0; |
| |
| /* wrap around buffer index when necessary */ |
| if (info->rxIdx == LAST_PKTBUFSRX) { |
| info->rxbd[PKTBUFSRX - 1].cbd_sc = BD_ENET_RX_W_E; |
| info->rxIdx = 0; |
| } else { |
| info->rxbd[info->rxIdx].cbd_sc = BD_ENET_RX_EMPTY; |
| info->rxIdx++; |
| } |
| |
| /* Try to fill Buffer Descriptors */ |
| fecp->rdar = 0x01000000; /* Descriptor polling active */ |
| } |
| |
| return length; |
| } |
| |
| /************************************************************** |
| * |
| * FEC Ethernet Initialization Routine |
| * |
| *************************************************************/ |
| |
| #ifdef ET_DEBUG |
| void dbgFecRegs(struct eth_device *dev) |
| { |
| struct fec_info_s *info = dev->priv; |
| volatile fec_t *fecp = (fec_t *) (info->iobase); |
| |
| printf("=====\n"); |
| printf("ievent %x - %x\n", (int)&fecp->eir, fecp->eir); |
| printf("imask %x - %x\n", (int)&fecp->eimr, fecp->eimr); |
| printf("r_des_active %x - %x\n", (int)&fecp->rdar, fecp->rdar); |
| printf("x_des_active %x - %x\n", (int)&fecp->tdar, fecp->tdar); |
| printf("ecntrl %x - %x\n", (int)&fecp->ecr, fecp->ecr); |
| printf("mii_mframe %x - %x\n", (int)&fecp->mmfr, fecp->mmfr); |
| printf("mii_speed %x - %x\n", (int)&fecp->mscr, fecp->mscr); |
| printf("mii_ctrlstat %x - %x\n", (int)&fecp->mibc, fecp->mibc); |
| printf("r_cntrl %x - %x\n", (int)&fecp->rcr, fecp->rcr); |
| printf("x_cntrl %x - %x\n", (int)&fecp->tcr, fecp->tcr); |
| printf("padr_l %x - %x\n", (int)&fecp->palr, fecp->palr); |
| printf("padr_u %x - %x\n", (int)&fecp->paur, fecp->paur); |
| printf("op_pause %x - %x\n", (int)&fecp->opd, fecp->opd); |
| printf("iadr_u %x - %x\n", (int)&fecp->iaur, fecp->iaur); |
| printf("iadr_l %x - %x\n", (int)&fecp->ialr, fecp->ialr); |
| printf("gadr_u %x - %x\n", (int)&fecp->gaur, fecp->gaur); |
| printf("gadr_l %x - %x\n", (int)&fecp->galr, fecp->galr); |
| printf("x_wmrk %x - %x\n", (int)&fecp->tfwr, fecp->tfwr); |
| printf("r_bound %x - %x\n", (int)&fecp->frbr, fecp->frbr); |
| printf("r_fstart %x - %x\n", (int)&fecp->frsr, fecp->frsr); |
| printf("r_drng %x - %x\n", (int)&fecp->erdsr, fecp->erdsr); |
| printf("x_drng %x - %x\n", (int)&fecp->etdsr, fecp->etdsr); |
| printf("r_bufsz %x - %x\n", (int)&fecp->emrbr, fecp->emrbr); |
| |
| printf("\n"); |
| printf("rmon_t_drop %x - %x\n", (int)&fecp->rmon_t_drop, |
| fecp->rmon_t_drop); |
| printf("rmon_t_packets %x - %x\n", (int)&fecp->rmon_t_packets, |
| fecp->rmon_t_packets); |
| printf("rmon_t_bc_pkt %x - %x\n", (int)&fecp->rmon_t_bc_pkt, |
| fecp->rmon_t_bc_pkt); |
| printf("rmon_t_mc_pkt %x - %x\n", (int)&fecp->rmon_t_mc_pkt, |
| fecp->rmon_t_mc_pkt); |
| printf("rmon_t_crc_align %x - %x\n", (int)&fecp->rmon_t_crc_align, |
| fecp->rmon_t_crc_align); |
| printf("rmon_t_undersize %x - %x\n", (int)&fecp->rmon_t_undersize, |
| fecp->rmon_t_undersize); |
| printf("rmon_t_oversize %x - %x\n", (int)&fecp->rmon_t_oversize, |
| fecp->rmon_t_oversize); |
| printf("rmon_t_frag %x - %x\n", (int)&fecp->rmon_t_frag, |
| fecp->rmon_t_frag); |
| printf("rmon_t_jab %x - %x\n", (int)&fecp->rmon_t_jab, |
| fecp->rmon_t_jab); |
| printf("rmon_t_col %x - %x\n", (int)&fecp->rmon_t_col, |
| fecp->rmon_t_col); |
| printf("rmon_t_p64 %x - %x\n", (int)&fecp->rmon_t_p64, |
| fecp->rmon_t_p64); |
| printf("rmon_t_p65to127 %x - %x\n", (int)&fecp->rmon_t_p65to127, |
| fecp->rmon_t_p65to127); |
| printf("rmon_t_p128to255 %x - %x\n", (int)&fecp->rmon_t_p128to255, |
| fecp->rmon_t_p128to255); |
| printf("rmon_t_p256to511 %x - %x\n", (int)&fecp->rmon_t_p256to511, |
| fecp->rmon_t_p256to511); |
| printf("rmon_t_p512to1023 %x - %x\n", (int)&fecp->rmon_t_p512to1023, |
| fecp->rmon_t_p512to1023); |
| printf("rmon_t_p1024to2047 %x - %x\n", (int)&fecp->rmon_t_p1024to2047, |
| fecp->rmon_t_p1024to2047); |
| printf("rmon_t_p_gte2048 %x - %x\n", (int)&fecp->rmon_t_p_gte2048, |
| fecp->rmon_t_p_gte2048); |
| printf("rmon_t_octets %x - %x\n", (int)&fecp->rmon_t_octets, |
| fecp->rmon_t_octets); |
| |
| printf("\n"); |
| printf("ieee_t_drop %x - %x\n", (int)&fecp->ieee_t_drop, |
| fecp->ieee_t_drop); |
| printf("ieee_t_frame_ok %x - %x\n", (int)&fecp->ieee_t_frame_ok, |
| fecp->ieee_t_frame_ok); |
| printf("ieee_t_1col %x - %x\n", (int)&fecp->ieee_t_1col, |
| fecp->ieee_t_1col); |
| printf("ieee_t_mcol %x - %x\n", (int)&fecp->ieee_t_mcol, |
| fecp->ieee_t_mcol); |
| printf("ieee_t_def %x - %x\n", (int)&fecp->ieee_t_def, |
| fecp->ieee_t_def); |
| printf("ieee_t_lcol %x - %x\n", (int)&fecp->ieee_t_lcol, |
| fecp->ieee_t_lcol); |
| printf("ieee_t_excol %x - %x\n", (int)&fecp->ieee_t_excol, |
| fecp->ieee_t_excol); |
| printf("ieee_t_macerr %x - %x\n", (int)&fecp->ieee_t_macerr, |
| fecp->ieee_t_macerr); |
| printf("ieee_t_cserr %x - %x\n", (int)&fecp->ieee_t_cserr, |
| fecp->ieee_t_cserr); |
| printf("ieee_t_sqe %x - %x\n", (int)&fecp->ieee_t_sqe, |
| fecp->ieee_t_sqe); |
| printf("ieee_t_fdxfc %x - %x\n", (int)&fecp->ieee_t_fdxfc, |
| fecp->ieee_t_fdxfc); |
| printf("ieee_t_octets_ok %x - %x\n", (int)&fecp->ieee_t_octets_ok, |
| fecp->ieee_t_octets_ok); |
| |
| printf("\n"); |
| printf("rmon_r_drop %x - %x\n", (int)&fecp->rmon_r_drop, |
| fecp->rmon_r_drop); |
| printf("rmon_r_packets %x - %x\n", (int)&fecp->rmon_r_packets, |
| fecp->rmon_r_packets); |
| printf("rmon_r_bc_pkt %x - %x\n", (int)&fecp->rmon_r_bc_pkt, |
| fecp->rmon_r_bc_pkt); |
| printf("rmon_r_mc_pkt %x - %x\n", (int)&fecp->rmon_r_mc_pkt, |
| fecp->rmon_r_mc_pkt); |
| printf("rmon_r_crc_align %x - %x\n", (int)&fecp->rmon_r_crc_align, |
| fecp->rmon_r_crc_align); |
| printf("rmon_r_undersize %x - %x\n", (int)&fecp->rmon_r_undersize, |
| fecp->rmon_r_undersize); |
| printf("rmon_r_oversize %x - %x\n", (int)&fecp->rmon_r_oversize, |
| fecp->rmon_r_oversize); |
| printf("rmon_r_frag %x - %x\n", (int)&fecp->rmon_r_frag, |
| fecp->rmon_r_frag); |
| printf("rmon_r_jab %x - %x\n", (int)&fecp->rmon_r_jab, |
| fecp->rmon_r_jab); |
| printf("rmon_r_p64 %x - %x\n", (int)&fecp->rmon_r_p64, |
| fecp->rmon_r_p64); |
| printf("rmon_r_p65to127 %x - %x\n", (int)&fecp->rmon_r_p65to127, |
| fecp->rmon_r_p65to127); |
| printf("rmon_r_p128to255 %x - %x\n", (int)&fecp->rmon_r_p128to255, |
| fecp->rmon_r_p128to255); |
| printf("rmon_r_p256to511 %x - %x\n", (int)&fecp->rmon_r_p256to511, |
| fecp->rmon_r_p256to511); |
| printf("rmon_r_p512to1023 %x - %x\n", (int)&fecp->rmon_r_p512to1023, |
| fecp->rmon_r_p512to1023); |
| printf("rmon_r_p1024to2047 %x - %x\n", (int)&fecp->rmon_r_p1024to2047, |
| fecp->rmon_r_p1024to2047); |
| printf("rmon_r_p_gte2048 %x - %x\n", (int)&fecp->rmon_r_p_gte2048, |
| fecp->rmon_r_p_gte2048); |
| printf("rmon_r_octets %x - %x\n", (int)&fecp->rmon_r_octets, |
| fecp->rmon_r_octets); |
| |
| printf("\n"); |
| printf("ieee_r_drop %x - %x\n", (int)&fecp->ieee_r_drop, |
| fecp->ieee_r_drop); |
| printf("ieee_r_frame_ok %x - %x\n", (int)&fecp->ieee_r_frame_ok, |
| fecp->ieee_r_frame_ok); |
| printf("ieee_r_crc %x - %x\n", (int)&fecp->ieee_r_crc, |
| fecp->ieee_r_crc); |
| printf("ieee_r_align %x - %x\n", (int)&fecp->ieee_r_align, |
| fecp->ieee_r_align); |
| printf("ieee_r_macerr %x - %x\n", (int)&fecp->ieee_r_macerr, |
| fecp->ieee_r_macerr); |
| printf("ieee_r_fdxfc %x - %x\n", (int)&fecp->ieee_r_fdxfc, |
| fecp->ieee_r_fdxfc); |
| printf("ieee_r_octets_ok %x - %x\n", (int)&fecp->ieee_r_octets_ok, |
| fecp->ieee_r_octets_ok); |
| |
| printf("\n\n\n"); |
| } |
| #endif |
| |
| int fec_init(struct eth_device *dev, bd_t * bd) |
| { |
| struct fec_info_s *info = dev->priv; |
| volatile fec_t *fecp = (fec_t *) (info->iobase); |
| int i; |
| u8 *ea; |
| |
| fecpin_setclear(dev, 1); |
| |
| fec_reset(dev); |
| |
| #if (CONFIG_COMMANDS & CFG_CMD_MII) || defined (CONFIG_MII) || \ |
| defined (CFG_DISCOVER_PHY) |
| |
| mii_init(); |
| |
| setFecDuplexSpeed(fecp, bd, info->dup_spd); |
| #else |
| #ifndef CFG_DISCOVER_PHY |
| setFecDuplexSpeed(fecp, bd, (FECDUPLEX << 16) | FECSPEED); |
| #endif /* ifndef CFG_DISCOVER_PHY */ |
| #endif /* CFG_CMD_MII || CONFIG_MII */ |
| |
| /* We use strictly polling mode only */ |
| fecp->eimr = 0; |
| |
| /* Clear any pending interrupt */ |
| fecp->eir = 0xffffffff; |
| |
| /* Set station address */ |
| if ((u32) fecp == CFG_FEC0_IOBASE) { |
| ea = &bd->bi_enetaddr[0]; |
| } else { |
| #ifdef CFG_FEC1_IOBASE |
| ea = &bd->bi_enet1addr[0]; |
| #endif |
| } |
| |
| fecp->palr = (ea[0] << 24) | (ea[1] << 16) | (ea[2] << 8) | (ea[3]); |
| fecp->paur = (ea[4] << 24) | (ea[5] << 16); |
| #ifdef ET_DEBUG |
| printf("Eth Addrs: %02x:%02x:%02x:%02x:%02x:%02x\n", |
| ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]); |
| #endif |
| |
| /* Clear unicast address hash table */ |
| fecp->iaur = 0; |
| fecp->ialr = 0; |
| |
| /* Clear multicast address hash table */ |
| fecp->gaur = 0; |
| fecp->galr = 0; |
| |
| /* Set maximum receive buffer size. */ |
| fecp->emrbr = PKT_MAXBLR_SIZE; |
| |
| /* |
| * Setup Buffers and Buffer Desriptors |
| */ |
| info->rxIdx = 0; |
| info->txIdx = 0; |
| |
| /* |
| * Setup Receiver Buffer Descriptors (13.14.24.18) |
| * Settings: |
| * Empty, Wrap |
| */ |
| for (i = 0; i < PKTBUFSRX; i++) { |
| info->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY; |
| info->rxbd[i].cbd_datlen = 0; /* Reset */ |
| info->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i]; |
| } |
| info->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP; |
| |
| /* |
| * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19) |
| * Settings: |
| * Last, Tx CRC |
| */ |
| for (i = 0; i < TX_BUF_CNT; i++) { |
| info->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC; |
| info->txbd[i].cbd_datlen = 0; /* Reset */ |
| info->txbd[i].cbd_bufaddr = (uint) (&info->txbuf[0]); |
| } |
| info->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP; |
| |
| /* Set receive and transmit descriptor base */ |
| fecp->erdsr = (unsigned int)(&info->rxbd[0]); |
| fecp->etdsr = (unsigned int)(&info->txbd[0]); |
| |
| /* Now enable the transmit and receive processing */ |
| fecp->ecr |= FEC_ECR_ETHER_EN; |
| |
| /* And last, try to fill Rx Buffer Descriptors */ |
| fecp->rdar = 0x01000000; /* Descriptor polling active */ |
| |
| return 1; |
| } |
| |
| void fec_reset(struct eth_device *dev) |
| { |
| struct fec_info_s *info = dev->priv; |
| volatile fec_t *fecp = (fec_t *) (info->iobase); |
| int i; |
| |
| fecp->ecr = FEC_ECR_RESET; |
| for (i = 0; (fecp->ecr & FEC_ECR_RESET) && (i < FEC_RESET_DELAY); ++i) { |
| udelay(1); |
| } |
| if (i == FEC_RESET_DELAY) { |
| printf("FEC_RESET_DELAY timeout\n"); |
| } |
| } |
| |
| void fec_halt(struct eth_device *dev) |
| { |
| struct fec_info_s *info = dev->priv; |
| |
| fec_reset(dev); |
| |
| fecpin_setclear(dev, 0); |
| |
| info->rxIdx = info->txIdx = 0; |
| memset(info->rxbd, 0, PKTBUFSRX * sizeof(cbd_t)); |
| memset(info->txbd, 0, TX_BUF_CNT * sizeof(cbd_t)); |
| memset(info->txbuf, 0, DBUF_LENGTH); |
| } |
| |
| int mcffec_initialize(bd_t * bis) |
| { |
| struct eth_device *dev; |
| int i; |
| |
| for (i = 0; i < sizeof(fec_info) / sizeof(fec_info[0]); i++) { |
| |
| dev = (struct eth_device *)malloc(sizeof *dev); |
| if (dev == NULL) |
| hang(); |
| |
| memset(dev, 0, sizeof(*dev)); |
| |
| sprintf(dev->name, "FEC%d", fec_info[i].index); |
| |
| dev->priv = &fec_info[i]; |
| dev->init = fec_init; |
| dev->halt = fec_halt; |
| dev->send = fec_send; |
| dev->recv = fec_recv; |
| |
| /* setup Receive and Transmit buffer descriptor */ |
| fec_info[i].rxbd = |
| (cbd_t *) memalign(32, (PKTBUFSRX * sizeof(cbd_t) + 31)); |
| fec_info[i].txbd = |
| (cbd_t *) memalign(32, (TX_BUF_CNT * sizeof(cbd_t) + 31)); |
| fec_info[i].txbuf = (char *)memalign(32, DBUF_LENGTH + 31); |
| #ifdef ET_DEBUG |
| printf("rxbd %x txbd %x\n", |
| (int)fec_info[i].rxbd, (int)fec_info[i].txbd); |
| #endif |
| |
| fec_info[i].phy_name = (char *)malloc(32); |
| |
| eth_register(dev); |
| |
| #if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) |
| miiphy_register(dev->name, |
| mcffec_miiphy_read, mcffec_miiphy_write); |
| #endif |
| } |
| |
| /* default speed */ |
| bis->bi_ethspeed = 10; |
| |
| return 1; |
| } |
| |
| #endif /* CFG_CMD_NET, FEC_ENET & NET_MULTI */ |
| #endif /* CONFIG_MCFFEC */ |