diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/rtl8139.c | 23 | ||||
-rw-r--r-- | drivers/net/tsec.c | 117 | ||||
-rw-r--r-- | drivers/net/tsec.h | 8 |
3 files changed, 117 insertions, 31 deletions
diff --git a/drivers/net/rtl8139.c b/drivers/net/rtl8139.c index 4c24805..097f684 100644 --- a/drivers/net/rtl8139.c +++ b/drivers/net/rtl8139.c @@ -80,10 +80,7 @@ #if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ defined(CONFIG_RTL8139) -#define TICKS_PER_SEC CFG_HZ -#define TICKS_PER_MS (TICKS_PER_SEC/1000) - -#define RTL_TIMEOUT (1*TICKS_PER_SEC) +#define RTL_TIMEOUT 100000 #define ETH_FRAME_LEN 1514 #define ETH_ALEN 6 @@ -392,6 +389,7 @@ static void rtl_reset(struct eth_device *dev) #ifdef DEBUG_RX printf("rx ring address is %X\n",(unsigned long)rx_ring); #endif + flush_cache((unsigned long)rx_ring, RX_BUF_LEN); outl(phys_to_bus((int)rx_ring), ioaddr + RxBuf); /* If we add multicast support, the MAR0 register would have to be @@ -414,9 +412,10 @@ static void rtl_reset(struct eth_device *dev) static int rtl_transmit(struct eth_device *dev, volatile void *packet, int length) { - unsigned int status, to; + unsigned int status; unsigned long txstatus; unsigned int len = length; + int i = 0; ioaddr = dev->iobase; @@ -432,12 +431,11 @@ static int rtl_transmit(struct eth_device *dev, volatile void *packet, int lengt tx_buffer[len++] = '\0'; } + flush_cache((unsigned long)tx_buffer, length); outl(phys_to_bus((int)tx_buffer), ioaddr + TxAddr0 + cur_tx*4); outl(((TX_FIFO_THRESH<<11) & 0x003f0000) | len, ioaddr + TxStatus0 + cur_tx*4); - to = currticks() + RTL_TIMEOUT; - do { status = inw(ioaddr + IntrStatus); /* Only acknlowledge interrupt sources we can properly handle @@ -445,7 +443,8 @@ static int rtl_transmit(struct eth_device *dev, volatile void *packet, int lengt * rtl_poll() function. */ outw(status & (TxOK | TxErr | PCIErr), ioaddr + IntrStatus); if ((status & (TxOK | TxErr | PCIErr)) != 0) break; - } while (currticks() < to); + udelay(10); + } while (i++ < RTL_TIMEOUT); txstatus = inl(ioaddr + TxStatus0 + cur_tx*4); @@ -458,8 +457,8 @@ static int rtl_transmit(struct eth_device *dev, volatile void *packet, int lengt return length; } else { #ifdef DEBUG_TX - printf("tx timeout/error (%d ticks), status %hX txstatus %X\n", - currticks()-to, status, txstatus); + printf("tx timeout/error (%d usecs), status %hX txstatus %X\n", + 10*i, status, txstatus); #endif rtl_reset(dev); @@ -489,7 +488,8 @@ static int rtl_poll(struct eth_device *dev) #endif ring_offs = cur_rx % RX_BUF_LEN; - rx_status = *(unsigned int*)KSEG1ADDR((rx_ring + ring_offs)); + /* ring_offs is guaranteed being 4-byte aligned */ + rx_status = le32_to_cpu(*(unsigned int *)(rx_ring + ring_offs)); rx_size = rx_status >> 16; rx_status &= 0xffff; @@ -519,6 +519,7 @@ static int rtl_poll(struct eth_device *dev) printf("rx packet %d bytes", rx_size-4); #endif } + flush_cache((unsigned long)rx_ring, RX_BUF_LEN); cur_rx = (cur_rx + rx_size + 4 + 3) & ~3; outw(cur_rx - 16, ioaddr + RxBufPtr); diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index 25392f6..e91d9ea 100644 --- a/drivers/net/tsec.c +++ b/drivers/net/tsec.c @@ -241,10 +241,9 @@ int tsec_init(struct eth_device *dev, bd_t * bd) * It will wait for the write to be done (or for a timeout to * expire) before exiting */ -void write_phy_reg(struct tsec_private *priv, uint regnum, uint value) +void write_any_phy_reg(struct tsec_private *priv, uint phyid, uint regnum, uint value) { volatile tsec_t *regbase = priv->phyregs; - uint phyid = priv->phyaddr; int timeout = 1000000; regbase->miimadd = (phyid << 8) | regnum; @@ -255,17 +254,19 @@ void write_phy_reg(struct tsec_private *priv, uint regnum, uint value) while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ; } +/* #define to provide old write_phy_reg functionality without duplicating code */ +#define write_phy_reg(priv, regnum, value) write_any_phy_reg(priv,priv->phyaddr,regnum,value) + /* Reads register regnum on the device's PHY through the * registers specified in priv. It lowers and raises the read * command, and waits for the data to become valid (miimind * notvalid bit cleared), and the bus to cease activity (miimind * busy bit cleared), and then returns the value */ -uint read_phy_reg(struct tsec_private *priv, uint regnum) +uint read_any_phy_reg(struct tsec_private *priv, uint phyid, uint regnum) { uint value; volatile tsec_t *regbase = priv->phyregs; - uint phyid = priv->phyaddr; /* Put the address of the phy, and the register * number into MIIMADD */ @@ -288,6 +289,9 @@ uint read_phy_reg(struct tsec_private *priv, uint regnum) return value; } +/* #define to provide old read_phy_reg functionality without duplicating code */ +#define read_phy_reg(priv,regnum) read_any_phy_reg(priv,priv->phyaddr,regnum) + /* Discover which PHY is attached to the device, and configure it * properly. If the PHY is not recognized, then return 0 * (failure). Otherwise, return 1 @@ -571,6 +575,63 @@ uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv) return 0; } +/* Parse the RTL8211B's status register for speed and duplex + * information + */ +uint mii_parse_RTL8211B_sr(uint mii_reg, struct tsec_private * priv) +{ + uint speed; + + mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS); + if ((mii_reg & MIIM_RTL8211B_PHYSTAT_LINK) && + !(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) { + int i = 0; + + puts("Waiting for PHY realtime link"); + while (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) { + /* Timeout reached ? */ + if (i > PHY_AUTONEGOTIATE_TIMEOUT) { + puts(" TIMEOUT !\n"); + priv->link = 0; + break; + } + + if ((i++ % 1000) == 0) { + putc('.'); + } + udelay(1000); /* 1 ms */ + mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS); + } + puts(" done\n"); + udelay(500000); /* another 500 ms (results in faster booting) */ + } else { + if (mii_reg & MIIM_RTL8211B_PHYSTAT_LINK) + priv->link = 1; + else + priv->link = 0; + } + + if (mii_reg & MIIM_RTL8211B_PHYSTAT_DUPLEX) + priv->duplexity = 1; + else + priv->duplexity = 0; + + speed = (mii_reg & MIIM_RTL8211B_PHYSTAT_SPEED); + + switch (speed) { + case MIIM_RTL8211B_PHYSTAT_GBIT: + priv->speed = 1000; + break; + case MIIM_RTL8211B_PHYSTAT_100: + priv->speed = 100; + break; + default: + priv->speed = 10; + } + + return 0; +} + /* Parse the cis8201's status register for speed and duplex * information */ @@ -1361,6 +1422,33 @@ struct phy_info phy_info_dp83865 = { }, }; +struct phy_info phy_info_rtl8211b = { + 0x001cc91, + "RealTek RTL8211B", + 4, + (struct phy_cmd[]){ /* config */ + /* Reset and configure the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL}, + {MIIM_ANAR, MIIM_ANAR_INIT, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]){ /* startup */ + /* Status is read once to clear old link state */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_RTL8211B_PHY_STATUS, miim_read, &mii_parse_RTL8211B_sr}, + {miim_end,} + }, + (struct phy_cmd[]){ /* shutdown */ + {miim_end,} + }, +}; + struct phy_info *phy_info[] = { &phy_info_cis8204, &phy_info_cis8201, @@ -1374,6 +1462,7 @@ struct phy_info *phy_info[] = { &phy_info_lxt971, &phy_info_VSC8244, &phy_info_dp83865, + &phy_info_rtl8211b, &phy_info_generic, NULL }; @@ -1497,18 +1586,6 @@ static void relocate_cmds(void) #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ && !defined(BITBANGMII) -struct tsec_private *get_priv_for_phy(unsigned char phyaddr) -{ - int i; - - for (i = 0; i < MAXCONTROLLERS; i++) { - if (privlist[i]->phyaddr == phyaddr) - return privlist[i]; - } - - return NULL; -} - /* * Read a MII PHY register. * @@ -1519,14 +1596,14 @@ static int tsec_miiphy_read(char *devname, unsigned char addr, unsigned char reg, unsigned short *value) { unsigned short ret; - struct tsec_private *priv = get_priv_for_phy(addr); + struct tsec_private *priv = privlist[0]; if (NULL == priv) { printf("Can't read PHY at address %d\n", addr); return -1; } - ret = (unsigned short)read_phy_reg(priv, reg); + ret = (unsigned short)read_any_phy_reg(priv, addr, reg); *value = ret; return 0; @@ -1541,14 +1618,14 @@ static int tsec_miiphy_read(char *devname, unsigned char addr, static int tsec_miiphy_write(char *devname, unsigned char addr, unsigned char reg, unsigned short value) { - struct tsec_private *priv = get_priv_for_phy(addr); + struct tsec_private *priv = privlist[0]; if (NULL == priv) { printf("Can't write PHY at address %d\n", addr); return -1; } - write_phy_reg(priv, reg, value); + write_any_phy_reg(priv, addr, reg, value); return 0; } diff --git a/drivers/net/tsec.h b/drivers/net/tsec.h index 2f0092a..d4dc15a 100644 --- a/drivers/net/tsec.h +++ b/drivers/net/tsec.h @@ -184,6 +184,14 @@ #define MIIM_88E1145_PHY_PAGE 29 #define MIIM_88E1145_PHY_CAL_OV 30 +/* RTL8211B PHY Status Register */ +#define MIIM_RTL8211B_PHY_STATUS 0x11 +#define MIIM_RTL8211B_PHYSTAT_SPEED 0xc000 +#define MIIM_RTL8211B_PHYSTAT_GBIT 0x8000 +#define MIIM_RTL8211B_PHYSTAT_100 0x4000 +#define MIIM_RTL8211B_PHYSTAT_DUPLEX 0x2000 +#define MIIM_RTL8211B_PHYSTAT_SPDDONE 0x0800 +#define MIIM_RTL8211B_PHYSTAT_LINK 0x0400 /* DM9161 Control register values */ #define MIIM_DM9161_CR_STOP 0x0400 |