/************************************************************************** Etherboot - BOOTP/TFTP Bootstrap Program Skeleton NIC driver for Etherboot ***************************************************************************/ /* * SPDX-License-Identifier: GPL-2.0+ */ /* * This file is a modified version from the Galileo polled mode * network driver for the ethernet contained within the GT64260 * chip. It has been modified to fit into the U-Boot framework, from * the original (etherboot) setup. Also, additional cleanup and features * were added. * * - Josh Huber */ #include #include #include #include #include #include #include #include #include "eth.h" #include "eth_addrtbl.h" #if defined(CONFIG_CMD_NET) #define GT6426x_ETH_BUF_SIZE 1536 /* if you like verbose output, turn this on! */ #undef DEBUG /* Restart autoneg if we detect link is up on phy init. */ /* * The GT doc's say that after Rst is deasserted, and the PHY * reports autoneg complete, it runs through its autoneg * procedures. This doesn't seem to be the case for MII * PHY's. To work around this check for link up && autoneg * complete when initilizing the port. If they are both set, * then restart PHY autoneg. Of course, it may be something * completly different. */ #ifdef CONFIG_ETHER_PORT_MII # define RESTART_AUTONEG #endif /* do this if you dont want to use snooping */ #define USE_SOFTWARE_CACHE_MANAGEMENT #ifdef USE_SOFTWARE_CACHE_MANAGEMENT #define FLUSH_DCACHE(a,b) if(dcache_status()){clean_dcache_range((u32)(a),(u32)(b));} #define FLUSH_AND_INVALIDATE_DCACHE(a,b) if(dcache_status()){flush_dcache_range((u32)(a),(u32)(b));} #define INVALIDATE_DCACHE(a,b) if(dcache_status()){invalidate_dcache_range((u32)(a),(u32)(b));} #else /* bummer - w/o flush, nothing works, even with snooping - FIXME */ /* #define FLUSH_DCACHE(a,b) */ #define FLUSH_DCACHE(a,b) if(dcache_status()){clean_dcache_range((u32)(a),(u32)(b));} #define FLUSH_AND_INVALIDATE_DCACHE(a,b) #define INVALIDATE_DCACHE(a,b) #endif struct eth_dev_s { eth0_tx_desc_single *eth_tx_desc; eth0_rx_desc_single *eth_rx_desc; char *eth_tx_buffer; char *eth_rx_buffer[NR]; int tdn, rdn; int dev; unsigned int reg_base; }; #ifdef CONFIG_INTEL_LXT97X /* for intel LXT972 */ static const char ether_port_phy_addr[3]={0,1,2}; #else static const char ether_port_phy_addr[3]={4,5,6}; #endif /* MII PHY access routines are common for all i/f, use gal_ent0 */ #define GT6426x_MII_DEVNAME "gal_enet0" int gt6426x_miiphy_read(const char *devname, unsigned char phy, unsigned char reg, unsigned short *val); static inline unsigned short miiphy_read_ret(unsigned short phy, unsigned short reg) { unsigned short val; gt6426x_miiphy_read(GT6426x_MII_DEVNAME,phy,reg,&val); return val; } /************************************************************************** RESET - Reset adapter ***************************************************************************/ void gt6426x_eth_reset(void *v) { /* we should do something here... struct eth_device *wp = (struct eth_device *)v; struct eth_dev_s *p = wp->priv; */ printf ("RESET\n"); /* put the card in its initial state */ } static void gt6426x_handle_SMI(struct eth_dev_s *p, unsigned int icr) { #ifdef DEBUG printf("SMI interrupt: "); if(icr&0x20000000) { printf("SMI done\n"); } #endif if(icr&0x10000000) { #ifdef DEBUG unsigned int psr; psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + p->reg_base); printf("PHY state change:\n" " GT:%s:%s:%s:%s\n", psr & 1 ? "100" : " 10", psr & 8 ? " Link" : "nLink", psr & 2 ? "FD" : "HD", psr & 4 ? " FC" : "nFC"); #ifdef CONFIG_INTEL_LXT97X /* non-standard mii reg (intel lxt972a) */ { unsigned short mii_11; mii_11 = miiphy_read_ret(ether_port_phy_addr[p->dev], 0x11); printf(" mii:%s:%s:%s:%s %s:%s %s\n", mii_11 & (1 << 14) ? "100" : " 10", mii_11 & (1 << 10) ? " Link" : "nLink", mii_11 & (1 << 9) ? "FD" : "HD", mii_11 & (1 << 4) ? " FC" : "nFC", mii_11 & (1 << 7) ? "ANc" : "ANnc", mii_11 & (1 << 8) ? "AN" : "Manual", "" ); } #endif /* CONFIG_INTEL_LXT97X */ #endif /* DEBUG */ } } static int gt6426x_eth_receive(struct eth_dev_s *p,unsigned int icr) { int eth_len=0; char *eth_data; eth0_rx_desc_single *rx = &p->eth_rx_desc[(p->rdn)]; INVALIDATE_DCACHE((unsigned int)rx,(unsigned int)(rx+1)); if (rx->command_status & 0x80000000) { return 0; /* No packet received */ } eth_len = (unsigned int) (rx->buff_size_byte_count) & 0x0000ffff; eth_data = (char *) p->eth_rx_buffer[p->rdn]; #ifdef DEBUG if (eth_len) { printf ("%s: Recived %d byte Packet @ 0x%p\n", __FUNCTION__, eth_len, eth_data); } #endif /* * packet is now in: * eth0_rx_buffer[RDN_ETH0]; */ /* let the upper layer handle the packet */ NetReceive ((uchar *)eth_data, eth_len); rx->buff_size_byte_count = GT6426x_ETH_BUF_SIZE<<16; /* GT96100 Owner */ rx->command_status = 0x80000000; FLUSH_DCACHE((unsigned int)rx,(unsigned int)(rx+1)); p->rdn ++; if (p->rdn == NR) {p->rdn = 0;} sync(); /* Start Rx*/ GT_REG_WRITE (ETHERNET0_SDMA_COMMAND_REGISTER + p->reg_base, 0x00000080); #ifdef DEBUG { int i; for (i=0;i<12;i++) { printf(" %02x", eth_data[i]); } } printf(": %d bytes\n", eth_len); #endif INVALIDATE_DCACHE((unsigned int)eth_data, (unsigned int)eth_data+eth_len); return eth_len; } /************************************************************************** POLL - look for an rx frame, handle other conditions ***************************************************************************/ int gt6426x_eth_poll(void *v) { struct eth_device *wp = (struct eth_device *)v; struct eth_dev_s *p = wp->priv; unsigned int icr=GTREGREAD(ETHERNET0_INTERRUPT_CAUSE_REGISTER + p->reg_base); if(icr) { GT_REG_WRITE(ETHERNET0_INTERRUPT_CAUSE_REGISTER +p->reg_base, 0); #ifdef DEBUG printf("poll got ICR %08x\n", icr); #endif /* SMI done or PHY state change*/ if(icr&0x30000000) gt6426x_handle_SMI(p, icr); } /* always process. We aren't using RX interrupts */ return gt6426x_eth_receive(p, icr); } /************************************************************************** TRANSMIT - Transmit a frame ***************************************************************************/ int gt6426x_eth_transmit(void *v, char *p, unsigned int s) { struct eth_device *wp = (struct eth_device *)v; struct eth_dev_s *dev = (struct eth_dev_s *)wp->priv; #ifdef DEBUG unsigned int old_command_stat,old_psr; #endif eth0_tx_desc_single *tx = &dev->eth_tx_desc[dev->tdn]; /* wait for tx to be ready */ INVALIDATE_DCACHE((unsigned int)tx,(unsigned int)(tx+1)); while (tx->command_status & 0x80000000) { int i; for(i=0;i<1000;i++); INVALIDATE_DCACHE((unsigned int)tx,(unsigned int)(tx+1)); } GT_REG_WRITE (ETHERNET0_CURRENT_TX_DESCRIPTOR_POINTER0 + dev->reg_base, (unsigned int)tx); #ifdef DEBUG printf("copying to tx_buffer [%p], length %x, desc = %p\n", dev->eth_tx_buffer, s, dev->eth_tx_desc); #endif memcpy(dev->eth_tx_buffer, (char *) p, s); tx->buff_pointer = (uchar *)dev->eth_tx_buffer; tx->bytecount_reserved = ((__u16)s) << 16; /* 31 - own * 22 - gencrc * 18:16 - pad, last, first */ tx->command_status = (1<<31) | (1<<22) | (7<<16); #if 0 /* FEr #18 */ tx->next_desc = NULL; #else tx->next_desc = (struct eth0_tx_desc_struct *) &dev->eth_tx_desc[(dev->tdn+1)%NT].bytecount_reserved; /* cpu owned */ dev->eth_tx_desc[(dev->tdn+1)%NT].command_status = (7<<16); /* pad, last, first */ #endif #ifdef DEBUG old_command_stat=tx->command_status, old_psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + dev->reg_base); #endif FLUSH_DCACHE((unsigned int)tx, (unsigned int)&dev->eth_tx_desc[(dev->tdn+2)%NT]); FLUSH_DCACHE((unsigned int)dev->eth_tx_buffer,(unsigned int)dev->eth_tx_buffer+s); GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + dev->reg_base, 0x01000000); #ifdef DEBUG { unsigned int command_stat=0; printf("cmd_stat: %08x PSR: %08x\n", old_command_stat, old_psr); /* wait for tx to be ready */ do { unsigned int psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + dev->reg_base); command_stat=tx->command_status; if(command_stat!=old_command_stat || psr !=old_psr) { printf("cmd_stat: %08x PSR: %08x\n", command_stat, psr); old_command_stat = command_stat; old_psr = psr; } /* gt6426x_eth0_poll(); */ } while (command_stat & 0x80000000); printf("sent %d byte frame\n", s); if((command_stat & (3<<15)) == 3) { printf("frame had error (stat=%08x)\n", command_stat); } } #endif return 0; } /************************************************************************** DISABLE - Turn off ethernet interface ***************************************************************************/ void gt6426x_eth_disable(void *v) { struct eth_device *wp = (struct eth_device *)v; struct eth_dev_s *p = (struct eth_dev_s *)wp->priv; GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + p->reg_base, 0x80008000); } /************************************************************************** MII utilities - write: write to an MII register via SMI ***************************************************************************/ int gt6426x_miiphy_write(const char *devname, unsigned char phy, unsigned char reg, unsigned short data) { unsigned int temp= (reg<<21) | (phy<<16) | data; while(GTREGREAD(ETHERNET_SMI_REGISTER) & (1<<28)); /* wait for !Busy */ GT_REG_WRITE(ETHERNET_SMI_REGISTER, temp); return 0; } /************************************************************************** MII utilities - read: read from an MII register via SMI ***************************************************************************/ int gt6426x_miiphy_read(const char *devname, unsigned char phy, unsigned char reg, unsigned short *val) { unsigned int temp= (reg<<21) | (phy<<16) | 1<<26; while(GTREGREAD(ETHERNET_SMI_REGISTER) & (1<<28)); /* wait for !Busy */ GT_REG_WRITE(ETHERNET_SMI_REGISTER, temp); while(1) { temp=GTREGREAD(ETHERNET_SMI_REGISTER); if(temp & (1<<27)) break; /* wait for ReadValid */ } *val = temp & 0xffff; return 0; } #ifdef DEBUG /************************************************************************** MII utilities - dump mii registers ***************************************************************************/ static void gt6426x_dump_mii(bd_t *bis, unsigned short phy) { printf("mii reg 0 - 3: %04x %04x %04x %04x\n", miiphy_read_ret(phy, 0x0), miiphy_read_ret(phy, 0x1), miiphy_read_ret(phy, 0x2), miiphy_read_ret(phy, 0x3) ); printf(" 4 - 7: %04x %04x %04x %04x\n", miiphy_read_ret(phy, 0x4), miiphy_read_ret(phy, 0x5), miiphy_read_ret(phy, 0x6), miiphy_read_ret(phy, 0x7) ); printf(" 8: %04x\n", miiphy_read_ret(phy, 0x8) ); printf(" 16-19: %04x %04x %04x %04x\n", miiphy_read_ret(phy, 0x10), miiphy_read_ret(phy, 0x11), miiphy_read_ret(phy, 0x12), miiphy_read_ret(phy, 0x13) ); printf(" 20,30: %04x %04x\n", miiphy_read_ret(phy, 20), miiphy_read_ret(phy, 30) ); } #endif #ifdef RESTART_AUTONEG /* If link is up && autoneg compleate, and if * GT and PHY disagree about link capabilitys, * restart autoneg - something screwy with FD/HD * unless we do this. */ static void check_phy_state(struct eth_dev_s *p) { int bmsr = miiphy_read_ret(ether_port_phy_addr[p->dev], MII_BMSR); int psr = GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + p->reg_base); if ((psr & 1<<3) && (bmsr & BMSR_LSTATUS)) { int nego = miiphy_read_ret(ether_port_phy_addr[p->dev], MII_ADVERTISE) & miiphy_read_ret(ether_port_phy_addr[p->dev], MII_LPA); int want; if (nego & LPA_100FULL) { want = 0x3; printf("MII: 100Base-TX, Full Duplex\n"); } else if (nego & LPA_100HALF) { want = 0x1; printf("MII: 100Base-TX, Half Duplex\n"); } else if (nego & LPA_10FULL) { want = 0x2; printf("MII: 10Base-T, Full Duplex\n"); } else if (nego & LPA_10HALF) { want = 0x0; printf("MII: 10Base-T, Half Duplex\n"); } else { printf("MII: Unknown link-foo! %x\n", nego); return; } if ((psr & 0x3) != want) { printf("MII: GT thinks %x, PHY thinks %x, restarting autoneg..\n", psr & 0x3, want); miiphy_write(GT6426x_MII_DEVNAME,ether_port_phy_addr[p->dev],0, miiphy_read_ret(ether_port_phy_addr[p->dev],0) | (1<<9)); udelay(10000); /* the EVB's GT takes a while to notice phy went down and up */ } } } #endif /************************************************************************** PROBE - Look for an adapter, this routine's visible to the outside ***************************************************************************/ int gt6426x_eth_probe(void *v, bd_t *bis) { struct eth_device *wp = (struct eth_device *)v; struct eth_dev_s *p = (struct eth_dev_s *)wp->priv; int dev = p->dev; unsigned int reg_base = p->reg_base; unsigned long temp; int i; if (( dev < 0 ) || ( dev >= GAL_ETH_DEVS )) { /* This should never happen */ printf("%s: Invalid device %d\n", __FUNCTION__, dev ); return 0; } #ifdef DEBUG printf ("%s: initializing %s\n", __FUNCTION__, wp->name ); printf ("\nCOMM_CONTROL = %08x , COMM_CONF = %08x\n", GTREGREAD(COMM_UNIT_ARBITER_CONTROL), GTREGREAD(COMM_UNIT_ARBITER_CONFIGURATION_REGISTER)); #endif /* clear MIB counters */ for(i=0;i<255; i++) temp=GTREGREAD(ETHERNET0_MIB_COUNTER_BASE + reg_base +i); #ifdef CONFIG_INTEL_LXT97X /* for intel LXT972 */ /* led 1: 0x1=txact led 2: 0xc=link/rxact led 3: 0x2=rxact (N/C) strch: 0,2=30 ms, enable */ miiphy_write(GT6426x_MII_DEVNAME,ether_port_phy_addr[p->dev], 20, 0x1c22); /* 2.7ns port rise time */ /*miiphy_write(ether_port_phy_addr[p->dev], 30, 0x0<<10); */ #else /* already set up in mpsc.c */ /*GT_REG_WRITE(MAIN_ROUTING_REGISTER, 0x7ffe38); / b400 */ /* already set up in sdram_init.S... */ /* MPSC0, MPSC1, RMII */ /*GT_REG_WRITE(SERIAL_PORT_MULTIPLEX, 0x1102); / f010 */ #endif GT_REG_WRITE(ETHERNET_PHY_ADDRESS_REGISTER, ether_port_phy_addr[0] | (ether_port_phy_addr[1]<<5) | (ether_port_phy_addr[2]<<10)); /* 2000 */ /* 13:12 - 10: 4x64bit burst (cache line size = 32 bytes) * 9 - 1: RIFB - interrupt on frame boundaries only * 6:7 - 00: big endian rx and tx * 5:2 - 1111: 15 retries */ GT_REG_WRITE(ETHERNET0_SDMA_CONFIGURATION_REGISTER + reg_base, (2<<12) | (1<<9) | (0xf<<2) ); /* 2440 */ #ifndef USE_SOFTWARE_CACHE_MANAGEMENT /* enable rx/tx desc/buffer cache snoop */ GT_REG_READ(ETHERNET_0_ADDRESS_CONTROL_LOW + dev*0x20, &temp); /* f200 */ temp|= (1<<6)| (1<<14)| (1<<22)| (1<<30); GT_REG_WRITE(ETHERNET_0_ADDRESS_CONTROL_LOW + dev*0x20, temp); #endif /* 31 28 27 24 23 20 19 16 * 0000 0000 0000 0000 [0004] * 15 12 11 8 7 4 3 0 * 1000 1101 0000 0000 [4d00] * 20 - 0=MII 1=RMII * 19 - 0=speed autoneg * 15:14 - framesize 1536 (GT6426x_ETH_BUF_SIZE) * 11 - no force link pass * 10 - 1=disable fctl autoneg * 8 - override prio ?? */ temp = 0x00004d00; #ifndef CONFIG_ETHER_PORT_MII temp |= (1<<20); /* RMII */ #endif /* set En */ GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_EXTEND_REGISTER + reg_base, temp); /* 2408 */ /* hardcode E1 also? */ /* -- according to dox, this is safer due to extra pulldowns? */ if (dev<2) { GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_EXTEND_REGISTER + (dev+1) * 0x400, temp); /* 2408 */ } /* wake up MAC */ /* 2400 */ GT_REG_READ(ETHERNET0_PORT_CONFIGURATION_REGISTER + reg_base, &temp); temp |= (1<<7); /* enable port */ #ifdef CONFIG_GT_USE_MAC_HASH_TABLE temp |= (1<<12); /* hash size 1/2k */ #else temp |= 1; /* promisc */ #endif GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_REGISTER + reg_base, temp); /* 2400 */ #ifdef RESTART_AUTONEG check_phy_state(p); #endif printf("%s: Waiting for link up..\n", wp->name); temp = 10 * 1000; /* wait for link back up */ while(!(GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + reg_base) & 8) && (--temp > 0)){ udelay(1000); /* wait 1 ms */ } if ( temp == 0) { printf("%s: Failed!\n", wp->name); return (0); } printf("%s: OK!\n", wp->name); p->tdn = 0; p->rdn = 0; p->eth_tx_desc[p->tdn].command_status = 0; /* Initialize Rx Side */ for (temp = 0; temp < NR; temp++) { p->eth_rx_desc[temp].buff_pointer = (uchar *)p->eth_rx_buffer[temp]; p->eth_rx_desc[temp].buff_size_byte_count = GT6426x_ETH_BUF_SIZE<<16; /* GT96100 Owner */ p->eth_rx_desc[temp].command_status = 0x80000000; p->eth_rx_desc[temp].next_desc = (struct eth0_rx_desc_struct *) &p->eth_rx_desc[(temp+1)%NR].buff_size_byte_count; } FLUSH_DCACHE((unsigned int)&p->eth_tx_desc[0], (unsigned int)&p->eth_tx_desc[NR]); FLUSH_DCACHE((unsigned int)&p->eth_rx_desc[0], (unsigned int)&p->eth_rx_desc[NR]); GT_REG_WRITE(ETHERNET0_CURRENT_TX_DESCRIPTOR_POINTER0 + reg_base, (unsigned int) p->eth_tx_desc); GT_REG_WRITE(ETHERNET0_FIRST_RX_DESCRIPTOR_POINTER0 + reg_base, (unsigned int) p->eth_rx_desc); GT_REG_WRITE(ETHERNET0_CURRENT_RX_DESCRIPTOR_POINTER0 + reg_base, (unsigned int) p->eth_rx_desc); #ifdef DEBUG printf ("\nRx descriptor pointer is %08x %08x\n", GTREGREAD(ETHERNET0_FIRST_RX_DESCRIPTOR_POINTER0 + reg_base), GTREGREAD(ETHERNET0_CURRENT_RX_DESCRIPTOR_POINTER0 + reg_base)); printf ("\n\n%08x %08x\n", (unsigned int)p->eth_rx_desc,p->eth_rx_desc[0].command_status); printf ("Descriptor dump:\n"); printf ("cmd status: %08x\n",p->eth_rx_desc[0].command_status); printf ("byte_count: %08x\n",p->eth_rx_desc[0].buff_size_byte_count); printf ("buff_ptr: %08x\n",(unsigned int)p->eth_rx_desc[0].buff_pointer); printf ("next_desc: %08x\n\n",(unsigned int)p->eth_rx_desc[0].next_desc); printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x0)); printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x4)); printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x8)); printf ("%08x\n\n", *(unsigned int *) ((unsigned int)p->eth_rx_desc + 0xc)); #endif #ifdef DEBUG gt6426x_dump_mii(bis,ether_port_phy_addr[p->dev]); #endif #ifdef CONFIG_GT_USE_MAC_HASH_TABLE { unsigned int hashtable_base; u8 *b = (u8 *)(wp->enetaddr); u32 macH, macL; /* twist the MAC up into the way the discovery wants it */ macH= (b[0]<<8) | b[1]; macL= (b[2]<<24) | (b[3]<<16) | (b[4]<<8) | b[5]; /* mode 0, size 0x800 */ hashtable_base =initAddressTable(dev,0,1); if(!hashtable_base) { printf("initAddressTable failed\n"); return 0; } addAddressTableEntry(dev, macH, macL, 1, 0); GT_REG_WRITE(ETHERNET0_HASH_TABLE_POINTER_REGISTER + reg_base, hashtable_base); } #endif /* Start Rx*/ GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + reg_base, 0x00000080); printf("%s: gt6426x eth device %d init success \n", wp->name, dev ); return 1; } /* enter all the galileo ethernet devs into MULTI-BOOT */ void gt6426x_eth_initialize(bd_t *bis) { struct eth_device *dev; struct eth_dev_s *p; int devnum, x, temp; char *s, *e, buf[64]; #ifdef DEBUG printf( "\n%s\n", __FUNCTION ); #endif for (devnum = 0; devnum < GAL_ETH_DEVS; devnum++) { dev = calloc(sizeof(*dev), 1); if (!dev) { printf( "%s: gal_enet%d allocation failure, %s\n", __FUNCTION__, devnum, "eth_device structure"); return; } /* must be less than sizeof(dev->name) */ sprintf(dev->name, "gal_enet%d", devnum); #ifdef DEBUG printf( "Initializing %s\n", dev->name ); #endif /* Extract the MAC address from the environment */ switch (devnum) { case 0: s = "ethaddr"; break; #if (GAL_ETH_DEVS > 1) case 1: s = "eth1addr"; break; #endif #if (GAL_ETH_DEVS > 2) case 2: s = "eth2addr"; break; #endif default: /* this should never happen */ printf( "%s: Invalid device number %d\n", __FUNCTION__, devnum ); return; } temp = getenv_f(s, buf, sizeof(buf)); s = (temp > 0) ? buf : NULL; #ifdef DEBUG printf ("Setting MAC %d to %s\n", devnum, s ); #endif for (x = 0; x < 6; ++x) { dev->enetaddr[x] = s ? simple_strtoul(s, &e, 16) : 0; if (s) s = (*e) ? e+1 : e; } dev->init = (void*)gt6426x_eth_probe; dev->halt = (void*)gt6426x_eth_reset; dev->send = (void*)gt6426x_eth_transmit; dev->recv = (void*)gt6426x_eth_poll; p = calloc( sizeof(*p), 1 ); dev->priv = (void*)p; if (!p) { printf( "%s: %s allocation failure, %s\n", __FUNCTION__, dev->name, "Private Device Structure"); free(dev); return; } p->dev = devnum; p->tdn=0; p->rdn=0; p->reg_base = devnum * ETHERNET_PORTS_DIFFERENCE_OFFSETS; p->eth_tx_desc = (eth0_tx_desc_single *) (((unsigned int) malloc(sizeof (eth0_tx_desc_single) * (NT+1)) & 0xfffffff0) + 0x10); if (!p) { printf( "%s: %s allocation failure, %s\n", __FUNCTION__, dev->name, "Tx Descriptor"); free(dev); return; } p->eth_rx_desc = (eth0_rx_desc_single *) (((unsigned int) malloc(sizeof (eth0_rx_desc_single) * (NR+1)) & 0xfffffff0) + 0x10); if (!p->eth_rx_desc) { printf( "%s: %s allocation failure, %s\n", __FUNCTION__, dev->name, "Rx Descriptor"); free(dev); free(p); return; } p->eth_tx_buffer = (char *) (((unsigned int) malloc(GT6426x_ETH_BUF_SIZE) & 0xfffffff0) + 0x10); if (!p->eth_tx_buffer) { printf( "%s: %s allocation failure, %s\n", __FUNCTION__, dev->name, "Tx Bufffer"); free(dev); free(p); free(p->eth_rx_desc); return; } for (temp = 0 ; temp < NR ; temp ++) { p->eth_rx_buffer[temp] = (char *) (((unsigned int) malloc(GT6426x_ETH_BUF_SIZE) & 0xfffffff0) + 0x10); if (!p->eth_rx_buffer[temp]) { printf( "%s: %s allocation failure, %s\n", __FUNCTION__, dev->name, "Rx Buffers"); free(dev); free(p); free(p->eth_tx_buffer); free(p->eth_rx_desc); free(p->eth_tx_desc); while (temp >= 0) free(p->eth_rx_buffer[--temp]); return; } } eth_register(dev); #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) miiphy_register(dev->name, gt6426x_miiphy_read, gt6426x_miiphy_write); #endif } } #endif