diff options
| -rw-r--r-- | drivers/net/rtl8139.c | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/drivers/net/rtl8139.c b/drivers/net/rtl8139.c index 4dfb709fa9..d9d8aae7a9 100644 --- a/drivers/net/rtl8139.c +++ b/drivers/net/rtl8139.c @@ -200,7 +200,7 @@ static unsigned char rx_ring[RX_BUF_LEN+16] __attribute__((aligned(4))); static int rtl8139_probe(struct eth_device *dev, bd_t *bis); static int rtl8139_read_eeprom(unsigned int location, unsigned int addr_len); -static void rtl_reset(struct eth_device *dev); +static void rtl8139_reset(struct eth_device *dev); static int rtl_transmit(struct eth_device *dev, void *packet, int length); static int rtl_poll(struct eth_device *dev); static void rtl_disable(struct eth_device *dev); @@ -277,7 +277,7 @@ static int rtl8139_probe(struct eth_device *dev, bd_t *bis) for (i = 0; i < 3; i++) *ap++ = le16_to_cpu (rtl8139_read_eeprom(i + 7, addr_len)); - rtl_reset(dev); + rtl8139_reset(dev); if (inb(ioaddr + RTL_REG_MEDIASTATUS) & RTL_REG_MEDIASTATUS_MSRLINKFAIL) { printf("Cable not connected or other link failure\n"); @@ -370,8 +370,9 @@ static void rtl8139_set_rx_mode(struct eth_device *dev) outl(0xffffffff, ioaddr + RTL_REG_MAR0 + 4); } -static void rtl_reset(struct eth_device *dev) +static void rtl8139_reset(struct eth_device *dev) { + u8 reg; int i; outb(RTL_REG_CHIPCMD_CMDRESET, ioaddr + RTL_REG_CHIPCMD); @@ -380,11 +381,12 @@ static void rtl_reset(struct eth_device *dev) cur_tx = 0; /* Give the chip 10ms to finish the reset. */ - for (i=0; i<100; ++i){ - if ((inb(ioaddr + RTL_REG_CHIPCMD) & - RTL_REG_CHIPCMD_CMDRESET) == 0) + for (i = 0; i < 100; i++) { + reg = inb(ioaddr + RTL_REG_CHIPCMD); + if (!(reg & RTL_REG_CHIPCMD_CMDRESET)) break; - udelay (100); /* wait 100us */ + + udelay(100); } @@ -393,30 +395,35 @@ static void rtl_reset(struct eth_device *dev) /* Must enable Tx/Rx before setting transfer thresholds! */ outb(RTL_REG_CHIPCMD_CMDRXENB | RTL_REG_CHIPCMD_CMDTXENB, - ioaddr + RTL_REG_CHIPCMD); + ioaddr + RTL_REG_CHIPCMD); + /* accept no frames yet! */ outl(rtl8139_rx_config, ioaddr + RTL_REG_RXCONFIG); - outl((TX_DMA_BURST<<8)|0x03000000, ioaddr + RTL_REG_TXCONFIG); - - /* The Linux driver changes RTL_REG_CONFIG1 here to use a different LED pattern - * for half duplex or full/autodetect duplex (for full/autodetect, the - * outputs are TX/RX, Link10/100, FULL, while for half duplex it uses - * TX/RX, Link100, Link10). This is messy, because it doesn't match - * the inscription on the mounting bracket. It should not be changed - * from the configuration EEPROM default, because the card manufacturer - * should have set that to match the card. */ - - debug_cond(DEBUG_RX, - "rx ring address is %lX\n",(unsigned long)rx_ring); + outl((TX_DMA_BURST << 8) | 0x03000000, ioaddr + RTL_REG_TXCONFIG); + + /* + * The Linux driver changes RTL_REG_CONFIG1 here to use a different + * LED pattern for half duplex or full/autodetect duplex (for + * full/autodetect, the outputs are TX/RX, Link10/100, FULL, while + * for half duplex it uses TX/RX, Link100, Link10). This is messy, + * because it doesn't match the inscription on the mounting bracket. + * It should not be changed from the configuration EEPROM default, + * because the card manufacturer should have set that to match the + * card. + */ + debug_cond(DEBUG_RX, "rx ring address is %p\n", rx_ring); + flush_cache((unsigned long)rx_ring, RX_BUF_LEN); outl(phys_to_bus((int)rx_ring), ioaddr + RTL_REG_RXBUF); - /* If we add multicast support, the RTL_REG_MAR0 register would have to be - * initialized to 0xffffffffffffffff (two 32 bit accesses). Etherboot - * only needs broadcast (for ARP/RARP/BOOTP/DHCP) and unicast. */ - + /* + * If we add multicast support, the RTL_REG_MAR0 register would have + * to be initialized to 0xffffffffffffffff (two 32 bit accesses). + * Etherboot only needs broadcast (for ARP/RARP/BOOTP/DHCP) and + * unicast. + */ outb(RTL_REG_CHIPCMD_CMDRXENB | RTL_REG_CHIPCMD_CMDTXENB, - ioaddr + RTL_REG_CHIPCMD); + ioaddr + RTL_REG_CHIPCMD); outl(rtl8139_rx_config, ioaddr + RTL_REG_RXCONFIG); @@ -488,7 +495,7 @@ static int rtl_transmit(struct eth_device *dev, void *packet, int length) "tx timeout/error (%d usecs), status %hX txstatus %lX\n", 10*i, status, txstatus); - rtl_reset(dev); + rtl8139_reset(dev); return 0; } @@ -527,7 +534,7 @@ static int rtl_poll(struct eth_device *dev) RTL_STS_RXBADALIGN)) || (rx_size < ETH_ZLEN) || (rx_size > ETH_FRAME_LEN + 4)) { printf("rx error %hX\n", rx_status); - rtl_reset(dev); /* this clears all interrupts still pending */ + rtl8139_reset(dev); /* this clears all interrupts still pending */ return 0; } |