X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=net%2Feth.c;h=4e508a0f91b72ffee374c4326f843a1ce993f468;hb=6b5049d056cd8ef72d1f2f461ceb2d033d93f759;hp=cca93920594b521b634c8315462b1518d4208350;hpb=ab07b6c221da99442b6c93986ca30607c6289bf0;p=oweals%2Fu-boot.git diff --git a/net/eth.c b/net/eth.c index cca9392059..4e508a0f91 100644 --- a/net/eth.c +++ b/net/eth.c @@ -26,7 +26,18 @@ #include #include -#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) +#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) + +/* + * CPU and board-specific Ethernet initializations. Aliased function + * signals caller to move on + */ +static int __def_eth_init(bd_t *bis) +{ + return -1; +} +int cpu_eth_init(bd_t *bis) __attribute((weak, alias("__def_eth_init"))); +int board_eth_init(bd_t *bis) __attribute((weak, alias("__def_eth_init"))); #ifdef CFG_GT_6426x extern int gt6426x_eth_initialize(bd_t *bis); @@ -40,6 +51,7 @@ extern int eth_3com_initialize(bd_t*); extern int fec_initialize(bd_t*); extern int inca_switch_initialize(bd_t*); extern int mpc5xxx_fec_initialize(bd_t*); +extern int mpc512x_fec_initialize(bd_t*); extern int mpc8220_fec_initialize(bd_t*); extern int mv6436x_eth_initialize(bd_t *); extern int mv6446x_eth_initialize(bd_t *); @@ -51,10 +63,21 @@ extern int ppc_4xx_eth_initialize(bd_t *); extern int rtl8139_initialize(bd_t*); extern int rtl8169_initialize(bd_t*); extern int scc_initialize(bd_t*); -extern int skge_initialize(bd_t*); -extern int tsec_initialize(bd_t*, int, char *); +extern int tsi108_eth_initialize(bd_t*); extern int npe_initialize(bd_t *); extern int uec_initialize(int); +extern int at91sam9_eth_initialize(bd_t *); + +#ifdef CONFIG_API +extern void (*push_packet)(volatile void *, int); + +static struct { + uchar data[PKTSIZE]; + int length; +} eth_rcv_bufs[PKTBUFSRX]; + +static unsigned int eth_rcv_current = 0, eth_rcv_last = 0; +#endif static struct eth_device *eth_devices, *eth_current; @@ -132,16 +155,22 @@ int eth_register(struct eth_device* dev) int eth_initialize(bd_t *bis) { - char enetvar[32], env_enetaddr[6]; + char enetvar[32]; + unsigned char env_enetaddr[6]; int i, eth_number = 0; char *tmp, *end; eth_devices = NULL; eth_current = NULL; -#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + show_boot_progress (64); +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) miiphy_init(); #endif + /* Try board-specific initialization first. If it fails or isn't + * present, try the cpu-specific initialization */ + if (board_eth_init(bis) < 0) + cpu_eth_init(bis); #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750) mv6436x_eth_initialize(bis); @@ -164,56 +193,23 @@ int eth_initialize(bd_t *bis) #if defined(CONFIG_MPC5xxx_FEC) mpc5xxx_fec_initialize(bis); #endif +#if defined(CONFIG_MPC512x_FEC) + mpc512x_fec_initialize (bis); +#endif #if defined(CONFIG_MPC8220_FEC) mpc8220_fec_initialize(bis); #endif -#if defined(CONFIG_SK98) - skge_initialize(bis); -#endif -#if defined(CONFIG_MPC85XX_TSEC1) - tsec_initialize(bis, 0, CONFIG_MPC85XX_TSEC1_NAME); -#elif defined(CONFIG_MPC83XX_TSEC1) - tsec_initialize(bis, 0, CONFIG_MPC83XX_TSEC1_NAME); -#endif -#if defined(CONFIG_MPC85XX_TSEC2) - tsec_initialize(bis, 1, CONFIG_MPC85XX_TSEC2_NAME); -#elif defined(CONFIG_MPC83XX_TSEC2) - tsec_initialize(bis, 1, CONFIG_MPC83XX_TSEC2_NAME); -#endif -#if defined(CONFIG_MPC85XX_FEC) - tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME); -#else -# if defined(CONFIG_MPC85XX_TSEC3) - tsec_initialize(bis, 2, CONFIG_MPC85XX_TSEC3_NAME); -# elif defined(CONFIG_MPC83XX_TSEC3) - tsec_initialize(bis, 2, CONFIG_MPC83XX_TSEC3_NAME); -# endif -# if defined(CONFIG_MPC85XX_TSEC4) - tsec_initialize(bis, 3, CONFIG_MPC85XX_TSEC4_NAME); -# elif defined(CONFIG_MPC83XX_TSEC4) - tsec_initialize(bis, 3, CONFIG_MPC83XX_TSEC4_NAME); -# endif -#endif #if defined(CONFIG_UEC_ETH1) uec_initialize(0); #endif #if defined(CONFIG_UEC_ETH2) uec_initialize(1); #endif -#if defined(CONFIG_MPC86XX_TSEC1) - tsec_initialize(bis, 0, CONFIG_MPC86XX_TSEC1_NAME); -#endif - -#if defined(CONFIG_MPC86XX_TSEC2) - tsec_initialize(bis, 1, CONFIG_MPC86XX_TSEC2_NAME); -#endif - -#if defined(CONFIG_MPC86XX_TSEC3) - tsec_initialize(bis, 2, CONFIG_MPC86XX_TSEC3_NAME); +#if defined(CONFIG_UEC_ETH3) + uec_initialize(2); #endif - -#if defined(CONFIG_MPC86XX_TSEC4) - tsec_initialize(bis, 3, CONFIG_MPC86XX_TSEC4_NAME); +#if defined(CONFIG_UEC_ETH4) + uec_initialize(3); #endif #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC) @@ -249,19 +245,28 @@ int eth_initialize(bd_t *bis) #ifdef CONFIG_NS8382X ns8382x_initialize(bis); #endif +#if defined(CONFIG_TSI108_ETH) + tsi108_eth_initialize(bis); +#endif #if defined(CONFIG_RTL8139) rtl8139_initialize(bis); #endif #if defined(CONFIG_RTL8169) rtl8169_initialize(bis); #endif +#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ + defined(CONFIG_AT91SAM9263) + at91sam9_eth_initialize(bis); +#endif if (!eth_devices) { puts ("No ethernet found.\n"); + show_boot_progress (-64); } else { struct eth_device *dev = eth_devices; char *ethprime = getenv ("ethprime"); + show_boot_progress (65); do { if (eth_number) puts (", "); @@ -357,29 +362,76 @@ void eth_set_enetaddr(int num, char *addr) { memcpy(dev->enetaddr, enetaddr, 6); } +#ifdef CONFIG_MCAST_TFTP +/* Multicast. + * mcast_addr: multicast ipaddr from which multicast Mac is made + * join: 1=join, 0=leave. + */ +int eth_mcast_join( IPaddr_t mcast_ip, u8 join) +{ + u8 mcast_mac[6]; + if (!eth_current || !eth_current->mcast) + return -1; + mcast_mac[5] = htonl(mcast_ip) & 0xff; + mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff; + mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f; + mcast_mac[2] = 0x5e; + mcast_mac[1] = 0x0; + mcast_mac[0] = 0x1; + return eth_current->mcast(eth_current, mcast_mac, join); +} + +/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c + * and this is the ethernet-crc method needed for TSEC -- and perhaps + * some other adapter -- hash tables + */ +#define CRCPOLY_LE 0xedb88320 +u32 ether_crc (size_t len, unsigned char const *p) +{ + int i; + u32 crc; + crc = ~0; + while (len--) { + crc ^= *p++; + for (i = 0; i < 8; i++) + crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0); + } + /* an reverse the bits, cuz of way they arrive -- last-first */ + crc = (crc >> 16) | (crc << 16); + crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00); + crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0); + crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc); + crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa); + return crc; +} + +#endif + int eth_init(bd_t *bis) { struct eth_device* old_current; - if (!eth_current) - return 0; + if (!eth_current) { + puts ("No ethernet found.\n"); + return -1; + } old_current = eth_current; do { debug ("Trying %s\n", eth_current->name); - if (eth_current->init(eth_current, bis)) { + if (eth_current->init(eth_current,bis) >= 0) { eth_current->state = ETH_STATE_ACTIVE; - return 1; + return 0; } debug ("FAIL\n"); eth_try_another(0); } while (old_current != eth_current); - return 0; + return -1; } void eth_halt(void) @@ -408,9 +460,65 @@ int eth_rx(void) return eth_current->recv(eth_current); } +#ifdef CONFIG_API +static void eth_save_packet(volatile void *packet, int length) +{ + volatile char *p = packet; + int i; + + if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current) + return; + + if (PKTSIZE < length) + return; + + for (i = 0; i < length; i++) + eth_rcv_bufs[eth_rcv_last].data[i] = p[i]; + + eth_rcv_bufs[eth_rcv_last].length = length; + eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX; +} + +int eth_receive(volatile void *packet, int length) +{ + volatile char *p = packet; + void *pp = push_packet; + int i; + + if (eth_rcv_current == eth_rcv_last) { + push_packet = eth_save_packet; + eth_rx(); + push_packet = pp; + + if (eth_rcv_current == eth_rcv_last) + return -1; + } + + if (length < eth_rcv_bufs[eth_rcv_current].length) + return -1; + + length = eth_rcv_bufs[eth_rcv_current].length; + + for (i = 0; i < length; i++) + p[i] = eth_rcv_bufs[eth_rcv_current].data[i]; + + eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX; + return length; +} +#endif /* CONFIG_API */ + void eth_try_another(int first_restart) { static struct eth_device *first_failed = NULL; + char *ethrotate; + + /* + * Do not rotate between network interfaces when + * 'ethrotate' variable is set to 'no'. + */ + if (((ethrotate = getenv ("ethrotate")) != NULL) && + (strcmp(ethrotate, "no") == 0)) + return; if (!eth_current) return; @@ -462,16 +570,18 @@ char *eth_get_name (void) { return (eth_current ? eth_current->name : "unknown"); } -#elif (CONFIG_COMMANDS & CFG_CMD_NET) && !defined(CONFIG_NET_MULTI) +#elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI) extern int at91rm9200_miiphy_initialize(bd_t *bis); extern int emac4xx_miiphy_initialize(bd_t *bis); extern int mcf52x2_miiphy_initialize(bd_t *bis); extern int ns7520_miiphy_initialize(bd_t *bis); +extern int dm644x_eth_miiphy_initialize(bd_t *bis); + int eth_initialize(bd_t *bis) { -#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) miiphy_init(); #endif @@ -485,8 +595,11 @@ int eth_initialize(bd_t *bis) #if defined(CONFIG_MCF52x2) mcf52x2_miiphy_initialize(bis); #endif -#if defined(CONFIG_NETARM) +#if defined(CONFIG_DRIVER_NS7520_ETHERNET) ns7520_miiphy_initialize(bis); +#endif +#if defined(CONFIG_DRIVER_TI_EMAC) + dm644x_eth_miiphy_initialize(bis); #endif return 0; }