From 907519108cd6f45aa067feea6fedd2743739342b Mon Sep 17 00:00:00 2001 From: Mingkai Hu Date: Thu, 27 Jan 2011 12:52:46 +0800 Subject: tsec: arrange the code to avoid useless function declaration This is merely a rearrangement. No changes to the code, except to remove now-useless declarations. Signed-off-by: Mingkai Hu Acked-by: Andy Fleming Signed-off-by: Kumar Gala Acked-by: Detlev Zundel --- drivers/net/tsec.c | 1501 ++++++++++++++++++++++++++-------------------------- 1 file changed, 738 insertions(+), 763 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index a2705e1cab..a3857b3bbf 100644 --- a/drivers/net/tsec.c +++ b/drivers/net/tsec.c @@ -44,31 +44,6 @@ static RTXBD rtx __attribute__ ((aligned(8))); #error "rtx must be 64-bit aligned" #endif -static int tsec_send(struct eth_device *dev, - volatile void *packet, int length); -static int tsec_recv(struct eth_device *dev); -static int tsec_init(struct eth_device *dev, bd_t * bd); -static int tsec_initialize(bd_t * bis, struct tsec_info_struct *tsec_info); -static void tsec_halt(struct eth_device *dev); -static void init_registers(tsec_t *regs); -static void startup_tsec(struct eth_device *dev); -static int init_phy(struct eth_device *dev); -void write_phy_reg(struct tsec_private *priv, uint regnum, uint value); -uint read_phy_reg(struct tsec_private *priv, uint regnum); -static struct phy_info *get_phy_info(struct eth_device *dev); -static void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd); -static void adjust_link(struct eth_device *dev); -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ - && !defined(BITBANGMII) -static int tsec_miiphy_write(const char *devname, unsigned char addr, - unsigned char reg, unsigned short value); -static int tsec_miiphy_read(const char *devname, unsigned char addr, - unsigned char reg, unsigned short *value); -#endif -#ifdef CONFIG_MCAST_TFTP -static int tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set); -#endif - /* Default initializations for TSEC controllers. */ static struct tsec_info_struct tsec_info[] = { @@ -95,140 +70,6 @@ static struct tsec_info_struct tsec_info[] = { #endif }; -/* - * Initialize all the TSEC devices - * - * Returns the number of TSEC devices that were initialized - */ -int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsecs, int num) -{ - int i; - int ret, count = 0; - - for (i = 0; i < num; i++) { - ret = tsec_initialize(bis, &tsecs[i]); - if (ret > 0) - count += ret; - } - - return count; -} - -int tsec_standard_init(bd_t *bis) -{ - return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info)); -} - -/* Initialize device structure. Returns success if PHY - * initialization succeeded (i.e. if it recognizes the PHY) - */ -static int tsec_initialize(bd_t * bis, struct tsec_info_struct *tsec_info) -{ - struct eth_device *dev; - int i; - struct tsec_private *priv; - - dev = (struct eth_device *)malloc(sizeof *dev); - - if (NULL == dev) - return 0; - - memset(dev, 0, sizeof *dev); - - priv = (struct tsec_private *)malloc(sizeof(*priv)); - - if (NULL == priv) - return 0; - - privlist[num_tsecs++] = priv; - priv->regs = tsec_info->regs; - priv->phyregs = tsec_info->miiregs; - priv->phyregs_sgmii = tsec_info->miiregs_sgmii; - - priv->phyaddr = tsec_info->phyaddr; - priv->flags = tsec_info->flags; - - sprintf(dev->name, tsec_info->devname); - dev->iobase = 0; - dev->priv = priv; - dev->init = tsec_init; - dev->halt = tsec_halt; - dev->send = tsec_send; - dev->recv = tsec_recv; -#ifdef CONFIG_MCAST_TFTP - dev->mcast = tsec_mcast_addr; -#endif - - /* Tell u-boot to get the addr from the env */ - for (i = 0; i < 6; i++) - dev->enetaddr[i] = 0; - - eth_register(dev); - - /* Reset the MAC */ - setbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); - udelay(2); /* Soft Reset must be asserted for 3 TX clocks */ - clrbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); - -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ - && !defined(BITBANGMII) - miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write); -#endif - - /* Try to initialize PHY here, and return */ - return init_phy(dev); -} - -/* Initializes data structures and registers for the controller, - * and brings the interface up. Returns the link status, meaning - * that it returns success if the link is up, failure otherwise. - * This allows u-boot to find the first active controller. - */ -static int tsec_init(struct eth_device *dev, bd_t * bd) -{ - uint tempval; - char tmpbuf[MAC_ADDR_LEN]; - int i; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - /* Make sure the controller is stopped */ - tsec_halt(dev); - - /* Init MACCFG2. Defaults to GMII */ - out_be32(®s->maccfg2, MACCFG2_INIT_SETTINGS); - - /* Init ECNTRL */ - out_be32(®s->ecntrl, ECNTRL_INIT_SETTINGS); - - /* Copy the station address into the address registers. - * Backwards, because little endian MACS are dumb */ - for (i = 0; i < MAC_ADDR_LEN; i++) { - tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i]; - } - tempval = (tmpbuf[0] << 24) | (tmpbuf[1] << 16) | (tmpbuf[2] << 8) | - tmpbuf[3]; - - out_be32(®s->macstnaddr1, tempval); - - tempval = *((uint *) (tmpbuf + 4)); - - out_be32(®s->macstnaddr2, tempval); - - /* reset the indices to zero */ - rxIdx = 0; - txIdx = 0; - - /* Clear out (for the most part) the other registers */ - init_registers(regs); - - /* Ready the device for tx/rx */ - startup_tsec(dev); - - /* If there's no link, fail */ - return (priv->link ? 0 : -1); -} - /* Writes the given phy's reg with value, using the specified MDIO regs */ static void tsec_local_mdio_write(tsec_mdio_t *phyregs, uint addr, uint reg, uint value) @@ -243,7 +84,6 @@ static void tsec_local_mdio_write(tsec_mdio_t *phyregs, uint addr, ; } - /* Provide the default behavior of writing the PHY of this ethernet device */ #define write_phy_reg(priv, regnum, value) \ tsec_local_mdio_write(priv->phyregs,priv->phyaddr,regnum,value) @@ -311,46 +151,6 @@ static void tsec_configure_serdes(struct tsec_private *priv) CONFIG_TSEC_TBICR_SETTINGS); } -/* 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 - */ -static int init_phy(struct eth_device *dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - struct phy_info *curphy; - tsec_t *regs = priv->regs; - - /* Assign a Physical address to the TBI */ - out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE); - - /* Reset MII (due to new addresses) */ - out_be32(&priv->phyregs->miimcfg, MIIMCFG_RESET); - out_be32(&priv->phyregs->miimcfg, MIIMCFG_INIT_VALUE); - while (in_be32(&priv->phyregs->miimind) & MIIMIND_BUSY) - ; - - /* Get the cmd structure corresponding to the attached - * PHY */ - curphy = get_phy_info(dev); - - if (curphy == NULL) { - priv->phyinfo = NULL; - printf("%s: No PHY found\n", dev->name); - - return 0; - } - - if (in_be32(®s->ecntrl) & ECNTRL_SGMII_MODE) - tsec_configure_serdes(priv); - - priv->phyinfo = curphy; - - phy_run_commands(priv, priv->phyinfo->config); - - return 1; -} - /* * Returns which value to write to the control register. * For 10/100, the value is slightly different @@ -866,344 +666,104 @@ static uint mii_m88e1111s_setmode(uint mii_reg, struct tsec_private *priv) return mii_data; } -/* Initialized required registers to appropriate values, zeroing - * those we don't care about (unless zero is bad, in which case, - * choose a more appropriate value) - */ -static void init_registers(tsec_t *regs) -{ - /* Clear IEVENT */ - out_be32(®s->ievent, IEVENT_INIT_CLEAR); - - out_be32(®s->imask, IMASK_INIT_CLEAR); +static struct phy_info phy_info_M88E1149S = { + 0x1410ca, + "Marvell 88E1149S", + 4, + (struct phy_cmd[]) { /* config */ + /* Reset and configure the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {0x1d, 0x1f, NULL}, + {0x1e, 0x200c, NULL}, + {0x1d, 0x5, NULL}, + {0x1e, 0x0, NULL}, + {0x1e, 0x100, 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_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; - out_be32(®s->hash.iaddr0, 0); - out_be32(®s->hash.iaddr1, 0); - out_be32(®s->hash.iaddr2, 0); - out_be32(®s->hash.iaddr3, 0); - out_be32(®s->hash.iaddr4, 0); - out_be32(®s->hash.iaddr5, 0); - out_be32(®s->hash.iaddr6, 0); - out_be32(®s->hash.iaddr7, 0); +/* The 5411 id is 0x206070, the 5421 is 0x2060e0 */ +static struct phy_info phy_info_BCM5461S = { + 0x02060c1, /* 5461 ID */ + "Broadcom BCM5461S", + 0, /* not clear to me what minor revisions we can shift away */ + (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_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; - out_be32(®s->hash.gaddr0, 0); - out_be32(®s->hash.gaddr1, 0); - out_be32(®s->hash.gaddr2, 0); - out_be32(®s->hash.gaddr3, 0); - out_be32(®s->hash.gaddr4, 0); - out_be32(®s->hash.gaddr5, 0); - out_be32(®s->hash.gaddr6, 0); - out_be32(®s->hash.gaddr7, 0); - - out_be32(®s->rctrl, 0x00000000); - - /* Init RMON mib registers */ - memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t)); - - out_be32(®s->rmon.cam1, 0xffffffff); - out_be32(®s->rmon.cam2, 0xffffffff); - - out_be32(®s->mrblr, MRBLR_INIT_SETTINGS); - - out_be32(®s->minflr, MINFLR_INIT_SETTINGS); - - out_be32(®s->attr, ATTR_INIT_SETTINGS); - out_be32(®s->attreli, ATTRELI_INIT_SETTINGS); - -} - -/* Configure maccfg2 based on negotiated speed and duplex - * reported by PHY handling code - */ -static void adjust_link(struct eth_device *dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - u32 ecntrl, maccfg2; - - if (!priv->link) { - printf("%s: No link.\n", dev->name); - return; - } - - /* clear all bits relative with interface mode */ - ecntrl = in_be32(®s->ecntrl); - ecntrl &= ~ECNTRL_R100; - - maccfg2 = in_be32(®s->maccfg2); - maccfg2 &= ~(MACCFG2_IF | MACCFG2_FULL_DUPLEX); - - if (priv->duplexity) - maccfg2 |= MACCFG2_FULL_DUPLEX; - - switch (priv->speed) { - case 1000: - maccfg2 |= MACCFG2_GMII; - break; - case 100: - case 10: - maccfg2 |= MACCFG2_MII; - - /* Set R100 bit in all modes although - * it is only used in RGMII mode - */ - if (priv->speed == 100) - ecntrl |= ECNTRL_R100; - break; - default: - printf("%s: Speed was bad\n", dev->name); - break; - } - - out_be32(®s->ecntrl, ecntrl); - out_be32(®s->maccfg2, maccfg2); - - printf("Speed: %d, %s duplex%s\n", priv->speed, - (priv->duplexity) ? "full" : "half", - (priv->flags & TSEC_FIBER) ? ", fiber mode" : ""); -} - -/* Set up the buffers and their descriptors, and bring up the - * interface - */ -static void startup_tsec(struct eth_device *dev) -{ - int i; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - /* Point to the buffer descriptors */ - out_be32(®s->tbase, (unsigned int)(&rtx.txbd[txIdx])); - out_be32(®s->rbase, (unsigned int)(&rtx.rxbd[rxIdx])); - - /* Initialize the Rx Buffer descriptors */ - for (i = 0; i < PKTBUFSRX; i++) { - rtx.rxbd[i].status = RXBD_EMPTY; - rtx.rxbd[i].length = 0; - rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i]; - } - rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP; - - /* Initialize the TX Buffer Descriptors */ - for (i = 0; i < TX_BUF_CNT; i++) { - rtx.txbd[i].status = 0; - rtx.txbd[i].length = 0; - rtx.txbd[i].bufPtr = 0; - } - rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP; - - /* Start up the PHY */ - if(priv->phyinfo) - phy_run_commands(priv, priv->phyinfo->startup); - - adjust_link(dev); - - /* Enable Transmit and Receive */ - setbits_be32(®s->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN); - - /* Tell the DMA it is clear to go */ - setbits_be32(®s->dmactrl, DMACTRL_INIT_SETTINGS); - out_be32(®s->tstat, TSTAT_CLEAR_THALT); - out_be32(®s->rstat, RSTAT_CLEAR_RHALT); - clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); -} - -/* This returns the status bits of the device. The return value - * is never checked, and this is what the 8260 driver did, so we - * do the same. Presumably, this would be zero if there were no - * errors - */ -static int tsec_send(struct eth_device *dev, volatile void *packet, int length) -{ - int i; - int result = 0; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - /* Find an empty buffer descriptor */ - for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) { - if (i >= TOUT_LOOP) { - debug("%s: tsec: tx buffers full\n", dev->name); - return result; - } - } - - rtx.txbd[txIdx].bufPtr = (uint) packet; - rtx.txbd[txIdx].length = length; - rtx.txbd[txIdx].status |= - (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT); - - /* Tell the DMA to go */ - out_be32(®s->tstat, TSTAT_CLEAR_THALT); - - /* Wait for buffer to be transmitted */ - for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) { - if (i >= TOUT_LOOP) { - debug("%s: tsec: tx error\n", dev->name); - return result; - } - } - - txIdx = (txIdx + 1) % TX_BUF_CNT; - result = rtx.txbd[txIdx].status & TXBD_STATS; - - return result; -} - -static int tsec_recv(struct eth_device *dev) -{ - int length; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) { - - length = rtx.rxbd[rxIdx].length; - - /* Send the packet up if there were no errors */ - if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) { - NetReceive(NetRxPackets[rxIdx], length - 4); - } else { - printf("Got error %x\n", - (rtx.rxbd[rxIdx].status & RXBD_STATS)); - } - - rtx.rxbd[rxIdx].length = 0; - - /* Set the wrap bit if this is the last element in the list */ - rtx.rxbd[rxIdx].status = - RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0); - - rxIdx = (rxIdx + 1) % PKTBUFSRX; - } - - if (in_be32(®s->ievent) & IEVENT_BSY) { - out_be32(®s->ievent, IEVENT_BSY); - out_be32(®s->rstat, RSTAT_CLEAR_RHALT); - } - - return -1; - -} - -/* Stop the interface */ -static void tsec_halt(struct eth_device *dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); - setbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); - - while ((in_be32(®s->ievent) & (IEVENT_GRSC | IEVENT_GTSC)) - != (IEVENT_GRSC | IEVENT_GTSC)) - ; - - clrbits_be32(®s->maccfg1, MACCFG1_TX_EN | MACCFG1_RX_EN); - - /* Shut down the PHY, as needed */ - if(priv->phyinfo) - phy_run_commands(priv, priv->phyinfo->shutdown); -} - -static struct phy_info phy_info_M88E1149S = { - 0x1410ca, - "Marvell 88E1149S", - 4, - (struct phy_cmd[]) { /* config */ +static struct phy_info phy_info_BCM5464S = { + 0x02060b1, /* 5464 ID */ + "Broadcom BCM5464S", + 0, /* not clear to me what minor revisions we can shift away */ + (struct phy_cmd[]) { /* config */ /* Reset and configure the PHY */ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, - {0x1d, 0x1f, NULL}, - {0x1e, 0x200c, NULL}, - {0x1d, 0x5, NULL}, - {0x1e, 0x0, NULL}, - {0x1e, 0x100, 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 */ + (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_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr}, + {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr}, {miim_end,} }, - (struct phy_cmd[]) { /* shutdown */ + (struct phy_cmd[]) { /* shutdown */ {miim_end,} }, }; -/* The 5411 id is 0x206070, the 5421 is 0x2060e0 */ -static struct phy_info phy_info_BCM5461S = { - 0x02060c1, /* 5461 ID */ - "Broadcom BCM5461S", - 0, /* not clear to me what minor revisions we can shift away */ +static struct phy_info phy_info_BCM5482S = { + 0x0143bcb, + "Broadcom BCM5482S", + 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_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; - -static struct phy_info phy_info_BCM5464S = { - 0x02060b1, /* 5464 ID */ - "Broadcom BCM5464S", - 0, /* not clear to me what minor revisions we can shift away */ - (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_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; - -static struct phy_info phy_info_BCM5482S = { - 0x0143bcb, - "Broadcom BCM5482S", - 4, - (struct phy_cmd[]) { /* config */ - /* Reset and configure the PHY */ - {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, - /* Setup read from auxilary control shadow register 7 */ - {MIIM_BCM54xx_AUXCNTL, MIIM_BCM54xx_AUXCNTL_ENCODE(7), NULL}, - /* Read Misc Control register and or in Ethernet@Wirespeed */ - {MIIM_BCM54xx_AUXCNTL, 0, &mii_BCM54xx_wirespeed}, + /* Setup read from auxilary control shadow register 7 */ + {MIIM_BCM54xx_AUXCNTL, MIIM_BCM54xx_AUXCNTL_ENCODE(7), NULL}, + /* Read Misc Control register and or in Ethernet@Wirespeed */ + {MIIM_BCM54xx_AUXCNTL, 0, &mii_BCM54xx_wirespeed}, {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, /* Initial config/enable of secondary SerDes interface */ {MIIM_BCM54XX_SHD, MIIM_BCM54XX_SHD_WR_ENCODE(0x14, 0xf), NULL}, @@ -1711,317 +1271,732 @@ static uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv) priv->duplexity = 0; } - return 0; -} + return 0; +} + +static struct phy_info phy_info_lxt971 = { + 0x0001378e, + "LXT971", + 4, + (struct phy_cmd[]) { /* config */ + {MIIM_CR, MIIM_CR_INIT, mii_cr_init}, /* autonegotiate */ + {miim_end,} + }, + (struct phy_cmd[]) { /* startup - enable interrupts */ + /* { 0x12, 0x00f2, NULL }, */ + {MIIM_STATUS, miim_read, NULL}, + {MIIM_STATUS, miim_read, &mii_parse_sr}, + {MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown - disable interrupts */ + {miim_end,} + }, +}; + +/* Parse the DP83865's link and auto-neg status register for speed and duplex + * information + */ +static uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv) +{ + switch (mii_reg & MIIM_DP83865_SPD_MASK) { + + case MIIM_DP83865_SPD_1000: + priv->speed = 1000; + break; + + case MIIM_DP83865_SPD_100: + priv->speed = 100; + break; + + default: + priv->speed = 10; + break; + + } + + if (mii_reg & MIIM_DP83865_DPX_FULL) + priv->duplexity = 1; + else + priv->duplexity = 0; + + return 0; +} + +static struct phy_info phy_info_dp83865 = { + 0x20005c7, + "NatSemi DP83865", + 4, + (struct phy_cmd[]) { /* config */ + {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL}, + {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 link and auto-neg status */ + {MIIM_DP83865_LANR, miim_read, &mii_parse_dp83865_lanr}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static 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_AR8021 = { + 0x4dd04, + "AR8021", + 4, + (struct phy_cmd[]) { /* config */ + {MII_BMCR, BMCR_RESET, NULL}, + {MII_BMCR, BMCR_ANENABLE|BMCR_ANRESTART, NULL}, + {0x1d, 0x05, NULL}, + {0x1e, 0x3D47, NULL}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + {MII_BMSR, miim_read, NULL}, + {MII_BMSR, miim_read, &mii_parse_sr}, + {MII_BMSR, miim_read, &mii_parse_link}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + } +}; + +static struct phy_info *phy_info[] = { + &phy_info_cis8204, + &phy_info_cis8201, + &phy_info_BCM5461S, + &phy_info_BCM5464S, + &phy_info_BCM5482S, + &phy_info_M88E1011S, + &phy_info_M88E1111S, + &phy_info_M88E1118, + &phy_info_M88E1121R, + &phy_info_M88E1145, + &phy_info_M88E1149S, + &phy_info_dm9161, + &phy_info_ksz804, + &phy_info_lxt971, + &phy_info_VSC8211, + &phy_info_VSC8244, + &phy_info_VSC8601, + &phy_info_VSC8641, + &phy_info_VSC8221, + &phy_info_dp83865, + &phy_info_rtl8211b, + &phy_info_AR8021, + &phy_info_generic, /* must be last; has ID 0 and 32 bit mask */ + NULL +}; + +/* Grab the identifier of the device's PHY, and search through + * all of the known PHYs to see if one matches. If so, return + * it, if not, return NULL + */ +static struct phy_info *get_phy_info(struct eth_device *dev) +{ + struct tsec_private *priv = (struct tsec_private *)dev->priv; + uint phy_reg, phy_ID; + int i; + struct phy_info *theInfo = NULL; + + /* Grab the bits from PHYIR1, and put them in the upper half */ + phy_reg = read_phy_reg(priv, MIIM_PHYIR1); + phy_ID = (phy_reg & 0xffff) << 16; + + /* Grab the bits from PHYIR2, and put them in the lower half */ + phy_reg = read_phy_reg(priv, MIIM_PHYIR2); + phy_ID |= (phy_reg & 0xffff); + + /* loop through all the known PHY types, and find one that */ + /* matches the ID we read from the PHY. */ + for (i = 0; phy_info[i]; i++) { + if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) { + theInfo = phy_info[i]; + break; + } + } + + if (theInfo == &phy_info_generic) { + printf("%s: No support for PHY id %x; assuming generic\n", + dev->name, phy_ID); + } else { + debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID); + } + + return theInfo; +} + +/* Execute the given series of commands on the given device's + * PHY, running functions as necessary + */ +static void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd) +{ + int i; + uint result; + tsec_mdio_t *phyregs = priv->phyregs; + + out_be32(&phyregs->miimcfg, MIIMCFG_RESET); + + out_be32(&phyregs->miimcfg, MIIMCFG_INIT_VALUE); + + while (in_be32(&phyregs->miimind) & MIIMIND_BUSY) + ; + + for (i = 0; cmd->mii_reg != miim_end; i++) { + if (cmd->mii_data == miim_read) { + result = read_phy_reg(priv, cmd->mii_reg); + + if (cmd->funct != NULL) + (*(cmd->funct)) (result, priv); + + } else { + if (cmd->funct != NULL) + result = (*(cmd->funct)) (cmd->mii_reg, priv); + else + result = cmd->mii_data; + + write_phy_reg(priv, cmd->mii_reg, result); + + } + cmd++; + } +} + +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ + && !defined(BITBANGMII) + +/* + * Read a MII PHY register. + * + * Returns: + * 0 on success + */ +static int tsec_miiphy_read(const char *devname, unsigned char addr, + unsigned char reg, unsigned short *value) +{ + unsigned short ret; + struct tsec_private *priv = privlist[0]; + + if (NULL == priv) { + printf("Can't read PHY at address %d\n", addr); + return -1; + } + + ret = (unsigned short)tsec_local_mdio_read(priv->phyregs, addr, reg); + *value = ret; + + return 0; +} + +/* + * Write a MII PHY register. + * + * Returns: + * 0 on success + */ +static int tsec_miiphy_write(const char *devname, unsigned char addr, + unsigned char reg, unsigned short value) +{ + struct tsec_private *priv = privlist[0]; + + if (NULL == priv) { + printf("Can't write PHY at address %d\n", addr); + return -1; + } + + tsec_local_mdio_write(priv->phyregs, addr, reg, value); + + return 0; +} + +#endif + +#ifdef CONFIG_MCAST_TFTP + +/* CREDITS: linux gianfar driver, slightly adjusted... thanx. */ + +/* Set the appropriate hash bit for the given addr */ + +/* The algorithm works like so: + * 1) Take the Destination Address (ie the multicast address), and + * do a CRC on it (little endian), and reverse the bits of the + * result. + * 2) Use the 8 most significant bits as a hash into a 256-entry + * table. The table is controlled through 8 32-bit registers: + * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is + * gaddr7. This means that the 3 most significant bits in the + * hash index which gaddr register to use, and the 5 other bits + * indicate which bit (assuming an IBM numbering scheme, which + * for PowerPC (tm) is usually the case) in the tregister holds + * the entry. */ +static int +tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set) +{ + struct tsec_private *priv = privlist[1]; + volatile tsec_t *regs = priv->regs; + volatile u32 *reg_array, value; + u8 result, whichbit, whichreg; + + result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff); + whichbit = result & 0x1f; /* the 5 LSB = which bit to set */ + whichreg = result >> 5; /* the 3 MSB = which reg to set it in */ + value = (1 << (31-whichbit)); + + reg_array = &(regs->hash.gaddr0); + + if (set) { + reg_array[whichreg] |= value; + } else { + reg_array[whichreg] &= ~value; + } + return 0; +} +#endif /* Multicast TFTP ? */ + +/* Initialized required registers to appropriate values, zeroing + * those we don't care about (unless zero is bad, in which case, + * choose a more appropriate value) + */ +static void init_registers(tsec_t *regs) +{ + /* Clear IEVENT */ + out_be32(®s->ievent, IEVENT_INIT_CLEAR); + + out_be32(®s->imask, IMASK_INIT_CLEAR); + + out_be32(®s->hash.iaddr0, 0); + out_be32(®s->hash.iaddr1, 0); + out_be32(®s->hash.iaddr2, 0); + out_be32(®s->hash.iaddr3, 0); + out_be32(®s->hash.iaddr4, 0); + out_be32(®s->hash.iaddr5, 0); + out_be32(®s->hash.iaddr6, 0); + out_be32(®s->hash.iaddr7, 0); + + out_be32(®s->hash.gaddr0, 0); + out_be32(®s->hash.gaddr1, 0); + out_be32(®s->hash.gaddr2, 0); + out_be32(®s->hash.gaddr3, 0); + out_be32(®s->hash.gaddr4, 0); + out_be32(®s->hash.gaddr5, 0); + out_be32(®s->hash.gaddr6, 0); + out_be32(®s->hash.gaddr7, 0); + + out_be32(®s->rctrl, 0x00000000); + + /* Init RMON mib registers */ + memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t)); + + out_be32(®s->rmon.cam1, 0xffffffff); + out_be32(®s->rmon.cam2, 0xffffffff); + + out_be32(®s->mrblr, MRBLR_INIT_SETTINGS); + + out_be32(®s->minflr, MINFLR_INIT_SETTINGS); + + out_be32(®s->attr, ATTR_INIT_SETTINGS); + out_be32(®s->attreli, ATTRELI_INIT_SETTINGS); + +} + +/* Configure maccfg2 based on negotiated speed and duplex + * reported by PHY handling code + */ +static void adjust_link(struct eth_device *dev) +{ + struct tsec_private *priv = (struct tsec_private *)dev->priv; + tsec_t *regs = priv->regs; + u32 ecntrl, maccfg2; + + if (!priv->link) { + printf("%s: No link.\n", dev->name); + return; + } + + /* clear all bits relative with interface mode */ + ecntrl = in_be32(®s->ecntrl); + ecntrl &= ~ECNTRL_R100; + + maccfg2 = in_be32(®s->maccfg2); + maccfg2 &= ~(MACCFG2_IF | MACCFG2_FULL_DUPLEX); + + if (priv->duplexity) + maccfg2 |= MACCFG2_FULL_DUPLEX; + + switch (priv->speed) { + case 1000: + maccfg2 |= MACCFG2_GMII; + break; + case 100: + case 10: + maccfg2 |= MACCFG2_MII; + + /* Set R100 bit in all modes although + * it is only used in RGMII mode + */ + if (priv->speed == 100) + ecntrl |= ECNTRL_R100; + break; + default: + printf("%s: Speed was bad\n", dev->name); + break; + } + + out_be32(®s->ecntrl, ecntrl); + out_be32(®s->maccfg2, maccfg2); -static struct phy_info phy_info_lxt971 = { - 0x0001378e, - "LXT971", - 4, - (struct phy_cmd[]) { /* config */ - {MIIM_CR, MIIM_CR_INIT, mii_cr_init}, /* autonegotiate */ - {miim_end,} - }, - (struct phy_cmd[]) { /* startup - enable interrupts */ - /* { 0x12, 0x00f2, NULL }, */ - {MIIM_STATUS, miim_read, NULL}, - {MIIM_STATUS, miim_read, &mii_parse_sr}, - {MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown - disable interrupts */ - {miim_end,} - }, -}; + printf("Speed: %d, %s duplex%s\n", priv->speed, + (priv->duplexity) ? "full" : "half", + (priv->flags & TSEC_FIBER) ? ", fiber mode" : ""); +} -/* Parse the DP83865's link and auto-neg status register for speed and duplex - * information +/* Set up the buffers and their descriptors, and bring up the + * interface */ -static uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv) +static void startup_tsec(struct eth_device *dev) { - switch (mii_reg & MIIM_DP83865_SPD_MASK) { - - case MIIM_DP83865_SPD_1000: - priv->speed = 1000; - break; + int i; + struct tsec_private *priv = (struct tsec_private *)dev->priv; + tsec_t *regs = priv->regs; - case MIIM_DP83865_SPD_100: - priv->speed = 100; - break; + /* Point to the buffer descriptors */ + out_be32(®s->tbase, (unsigned int)(&rtx.txbd[txIdx])); + out_be32(®s->rbase, (unsigned int)(&rtx.rxbd[rxIdx])); - default: - priv->speed = 10; - break; + /* Initialize the Rx Buffer descriptors */ + for (i = 0; i < PKTBUFSRX; i++) { + rtx.rxbd[i].status = RXBD_EMPTY; + rtx.rxbd[i].length = 0; + rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i]; + } + rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP; + /* Initialize the TX Buffer Descriptors */ + for (i = 0; i < TX_BUF_CNT; i++) { + rtx.txbd[i].status = 0; + rtx.txbd[i].length = 0; + rtx.txbd[i].bufPtr = 0; } + rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP; - if (mii_reg & MIIM_DP83865_DPX_FULL) - priv->duplexity = 1; - else - priv->duplexity = 0; + /* Start up the PHY */ + if (priv->phyinfo) + phy_run_commands(priv, priv->phyinfo->startup); - return 0; + adjust_link(dev); + + /* Enable Transmit and Receive */ + setbits_be32(®s->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN); + + /* Tell the DMA it is clear to go */ + setbits_be32(®s->dmactrl, DMACTRL_INIT_SETTINGS); + out_be32(®s->tstat, TSTAT_CLEAR_THALT); + out_be32(®s->rstat, RSTAT_CLEAR_RHALT); + clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); } -static struct phy_info phy_info_dp83865 = { - 0x20005c7, - "NatSemi DP83865", - 4, - (struct phy_cmd[]) { /* config */ - {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL}, - {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 link and auto-neg status */ - {MIIM_DP83865_LANR, miim_read, &mii_parse_dp83865_lanr}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; +/* This returns the status bits of the device. The return value + * is never checked, and this is what the 8260 driver did, so we + * do the same. Presumably, this would be zero if there were no + * errors + */ +static int tsec_send(struct eth_device *dev, volatile void *packet, int length) +{ + int i; + int result = 0; + struct tsec_private *priv = (struct tsec_private *)dev->priv; + tsec_t *regs = priv->regs; -static 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,} - }, -}; + /* Find an empty buffer descriptor */ + for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) { + if (i >= TOUT_LOOP) { + debug("%s: tsec: tx buffers full\n", dev->name); + return result; + } + } -struct phy_info phy_info_AR8021 = { - 0x4dd04, - "AR8021", - 4, - (struct phy_cmd[]) { /* config */ - {MII_BMCR, BMCR_RESET, NULL}, - {MII_BMCR, BMCR_ANENABLE|BMCR_ANRESTART, NULL}, - {0x1d, 0x05, NULL}, - {0x1e, 0x3D47, NULL}, - {miim_end,} - }, - (struct phy_cmd[]) { /* startup */ - {MII_BMSR, miim_read, NULL}, - {MII_BMSR, miim_read, &mii_parse_sr}, - {MII_BMSR, miim_read, &mii_parse_link}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - } -}; + rtx.txbd[txIdx].bufPtr = (uint) packet; + rtx.txbd[txIdx].length = length; + rtx.txbd[txIdx].status |= + (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT); -static struct phy_info *phy_info[] = { - &phy_info_cis8204, - &phy_info_cis8201, - &phy_info_BCM5461S, - &phy_info_BCM5464S, - &phy_info_BCM5482S, - &phy_info_M88E1011S, - &phy_info_M88E1111S, - &phy_info_M88E1118, - &phy_info_M88E1121R, - &phy_info_M88E1145, - &phy_info_M88E1149S, - &phy_info_dm9161, - &phy_info_ksz804, - &phy_info_lxt971, - &phy_info_VSC8211, - &phy_info_VSC8244, - &phy_info_VSC8601, - &phy_info_VSC8641, - &phy_info_VSC8221, - &phy_info_dp83865, - &phy_info_rtl8211b, - &phy_info_AR8021, - &phy_info_generic, /* must be last; has ID 0 and 32 bit mask */ - NULL -}; + /* Tell the DMA to go */ + out_be32(®s->tstat, TSTAT_CLEAR_THALT); -/* Grab the identifier of the device's PHY, and search through - * all of the known PHYs to see if one matches. If so, return - * it, if not, return NULL - */ -static struct phy_info *get_phy_info(struct eth_device *dev) + /* Wait for buffer to be transmitted */ + for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) { + if (i >= TOUT_LOOP) { + debug("%s: tsec: tx error\n", dev->name); + return result; + } + } + + txIdx = (txIdx + 1) % TX_BUF_CNT; + result = rtx.txbd[txIdx].status & TXBD_STATS; + + return result; +} + +static int tsec_recv(struct eth_device *dev) { + int length; struct tsec_private *priv = (struct tsec_private *)dev->priv; - uint phy_reg, phy_ID; - int i; - struct phy_info *theInfo = NULL; + tsec_t *regs = priv->regs; - /* Grab the bits from PHYIR1, and put them in the upper half */ - phy_reg = read_phy_reg(priv, MIIM_PHYIR1); - phy_ID = (phy_reg & 0xffff) << 16; + while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) { - /* Grab the bits from PHYIR2, and put them in the lower half */ - phy_reg = read_phy_reg(priv, MIIM_PHYIR2); - phy_ID |= (phy_reg & 0xffff); + length = rtx.rxbd[rxIdx].length; - /* loop through all the known PHY types, and find one that */ - /* matches the ID we read from the PHY. */ - for (i = 0; phy_info[i]; i++) { - if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) { - theInfo = phy_info[i]; - break; + /* Send the packet up if there were no errors */ + if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) { + NetReceive(NetRxPackets[rxIdx], length - 4); + } else { + printf("Got error %x\n", + (rtx.rxbd[rxIdx].status & RXBD_STATS)); } + + rtx.rxbd[rxIdx].length = 0; + + /* Set the wrap bit if this is the last element in the list */ + rtx.rxbd[rxIdx].status = + RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0); + + rxIdx = (rxIdx + 1) % PKTBUFSRX; } - if (theInfo == &phy_info_generic) { - printf("%s: No support for PHY id %x; assuming generic\n", - dev->name, phy_ID); - } else { - debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID); + if (in_be32(®s->ievent) & IEVENT_BSY) { + out_be32(®s->ievent, IEVENT_BSY); + out_be32(®s->rstat, RSTAT_CLEAR_RHALT); } - return theInfo; + return -1; + } -/* Execute the given series of commands on the given device's - * PHY, running functions as necessary +/* Stop the interface */ +static void tsec_halt(struct eth_device *dev) +{ + struct tsec_private *priv = (struct tsec_private *)dev->priv; + tsec_t *regs = priv->regs; + + clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); + setbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); + + while ((in_be32(®s->ievent) & (IEVENT_GRSC | IEVENT_GTSC)) + != (IEVENT_GRSC | IEVENT_GTSC)) + ; + + clrbits_be32(®s->maccfg1, MACCFG1_TX_EN | MACCFG1_RX_EN); + + /* Shut down the PHY, as needed */ + if (priv->phyinfo) + phy_run_commands(priv, priv->phyinfo->shutdown); +} + +/* Initializes data structures and registers for the controller, + * and brings the interface up. Returns the link status, meaning + * that it returns success if the link is up, failure otherwise. + * This allows u-boot to find the first active controller. */ -static void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd) +static int tsec_init(struct eth_device *dev, bd_t * bd) { + uint tempval; + char tmpbuf[MAC_ADDR_LEN]; int i; - uint result; - tsec_mdio_t *phyregs = priv->phyregs; + struct tsec_private *priv = (struct tsec_private *)dev->priv; + tsec_t *regs = priv->regs; - out_be32(&phyregs->miimcfg, MIIMCFG_RESET); + /* Make sure the controller is stopped */ + tsec_halt(dev); - out_be32(&phyregs->miimcfg, MIIMCFG_INIT_VALUE); + /* Init MACCFG2. Defaults to GMII */ + out_be32(®s->maccfg2, MACCFG2_INIT_SETTINGS); - while (in_be32(&phyregs->miimind) & MIIMIND_BUSY) - ; + /* Init ECNTRL */ + out_be32(®s->ecntrl, ECNTRL_INIT_SETTINGS); - for (i = 0; cmd->mii_reg != miim_end; i++) { - if (cmd->mii_data == miim_read) { - result = read_phy_reg(priv, cmd->mii_reg); + /* Copy the station address into the address registers. + * Backwards, because little endian MACS are dumb */ + for (i = 0; i < MAC_ADDR_LEN; i++) + tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i]; - if (cmd->funct != NULL) - (*(cmd->funct)) (result, priv); + tempval = (tmpbuf[0] << 24) | (tmpbuf[1] << 16) | (tmpbuf[2] << 8) | + tmpbuf[3]; - } else { - if (cmd->funct != NULL) - result = (*(cmd->funct)) (cmd->mii_reg, priv); - else - result = cmd->mii_data; + out_be32(®s->macstnaddr1, tempval); - write_phy_reg(priv, cmd->mii_reg, result); + tempval = *((uint *) (tmpbuf + 4)); - } - cmd++; - } -} + out_be32(®s->macstnaddr2, tempval); -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ - && !defined(BITBANGMII) + /* reset the indices to zero */ + rxIdx = 0; + txIdx = 0; -/* - * Read a MII PHY register. - * - * Returns: - * 0 on success + /* Clear out (for the most part) the other registers */ + init_registers(regs); + + /* Ready the device for tx/rx */ + startup_tsec(dev); + + /* If there's no link, fail */ + return priv->link ? 0 : -1; +} + +/* 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 */ -static int tsec_miiphy_read(const char *devname, unsigned char addr, - unsigned char reg, unsigned short *value) +static int init_phy(struct eth_device *dev) { - unsigned short ret; - struct tsec_private *priv = privlist[0]; + struct tsec_private *priv = (struct tsec_private *)dev->priv; + struct phy_info *curphy; + tsec_t *regs = priv->regs; - if (NULL == priv) { - printf("Can't read PHY at address %d\n", addr); - return -1; + /* Assign a Physical address to the TBI */ + out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE); + + /* Reset MII (due to new addresses) */ + out_be32(&priv->phyregs->miimcfg, MIIMCFG_RESET); + out_be32(&priv->phyregs->miimcfg, MIIMCFG_INIT_VALUE); + while (in_be32(&priv->phyregs->miimind) & MIIMIND_BUSY) + ; + + /* Get the cmd structure corresponding to the attached + * PHY */ + curphy = get_phy_info(dev); + + if (curphy == NULL) { + priv->phyinfo = NULL; + printf("%s: No PHY found\n", dev->name); + + return 0; } - ret = (unsigned short)tsec_local_mdio_read(priv->phyregs, addr, reg); - *value = ret; + if (in_be32(®s->ecntrl) & ECNTRL_SGMII_MODE) + tsec_configure_serdes(priv); - return 0; + priv->phyinfo = curphy; + + phy_run_commands(priv, priv->phyinfo->config); + + return 1; } -/* - * Write a MII PHY register. - * - * Returns: - * 0 on success +/* Initialize device structure. Returns success if PHY + * initialization succeeded (i.e. if it recognizes the PHY) */ -static int tsec_miiphy_write(const char *devname, unsigned char addr, - unsigned char reg, unsigned short value) +static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info) { - struct tsec_private *priv = privlist[0]; + struct eth_device *dev; + int i; + struct tsec_private *priv; - if (NULL == priv) { - printf("Can't write PHY at address %d\n", addr); - return -1; - } + dev = (struct eth_device *)malloc(sizeof *dev); - tsec_local_mdio_write(priv->phyregs, addr, reg, value); + if (NULL == dev) + return 0; - return 0; -} + memset(dev, 0, sizeof *dev); -#endif + priv = (struct tsec_private *)malloc(sizeof(*priv)); + + if (NULL == priv) + return 0; + + privlist[num_tsecs++] = priv; + priv->regs = tsec_info->regs; + priv->phyregs = tsec_info->miiregs; + priv->phyregs_sgmii = tsec_info->miiregs_sgmii; + + priv->phyaddr = tsec_info->phyaddr; + priv->flags = tsec_info->flags; + sprintf(dev->name, tsec_info->devname); + dev->iobase = 0; + dev->priv = priv; + dev->init = tsec_init; + dev->halt = tsec_halt; + dev->send = tsec_send; + dev->recv = tsec_recv; #ifdef CONFIG_MCAST_TFTP + dev->mcast = tsec_mcast_addr; +#endif -/* CREDITS: linux gianfar driver, slightly adjusted... thanx. */ + /* Tell u-boot to get the addr from the env */ + for (i = 0; i < 6; i++) + dev->enetaddr[i] = 0; -/* Set the appropriate hash bit for the given addr */ + eth_register(dev); -/* The algorithm works like so: - * 1) Take the Destination Address (ie the multicast address), and - * do a CRC on it (little endian), and reverse the bits of the - * result. - * 2) Use the 8 most significant bits as a hash into a 256-entry - * table. The table is controlled through 8 32-bit registers: - * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is - * gaddr7. This means that the 3 most significant bits in the - * hash index which gaddr register to use, and the 5 other bits - * indicate which bit (assuming an IBM numbering scheme, which - * for PowerPC (tm) is usually the case) in the tregister holds - * the entry. */ -static int -tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set) -{ - struct tsec_private *priv = privlist[1]; - volatile tsec_t *regs = priv->regs; - volatile u32 *reg_array, value; - u8 result, whichbit, whichreg; + /* Reset the MAC */ + setbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); + udelay(2); /* Soft Reset must be asserted for 3 TX clocks */ + clrbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); - result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff); - whichbit = result & 0x1f; /* the 5 LSB = which bit to set */ - whichreg = result >> 5; /* the 3 MSB = which reg to set it in */ - value = (1 << (31-whichbit)); +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \ + && !defined(BITBANGMII) + miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write); +#endif - reg_array = &(regs->hash.gaddr0); + /* Try to initialize PHY here, and return */ + return init_phy(dev); +} - if (set) { - reg_array[whichreg] |= value; - } else { - reg_array[whichreg] &= ~value; +/* + * Initialize all the TSEC devices + * + * Returns the number of TSEC devices that were initialized + */ +int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsecs, int num) +{ + int i; + int ret, count = 0; + + for (i = 0; i < num; i++) { + ret = tsec_initialize(bis, &tsecs[i]); + if (ret > 0) + count += ret; } - return 0; + + return count; } -#endif /* Multicast TFTP ? */ + +int tsec_standard_init(bd_t *bis) +{ + return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info)); +} + -- cgit v1.2.3