diff options
Diffstat (limited to 'u-boot/drivers/net/tsec.c')
| -rw-r--r-- | u-boot/drivers/net/tsec.c | 2001 |
1 files changed, 2001 insertions, 0 deletions
diff --git a/u-boot/drivers/net/tsec.c b/u-boot/drivers/net/tsec.c new file mode 100644 index 0000000..9c8fe62 --- /dev/null +++ b/u-boot/drivers/net/tsec.c @@ -0,0 +1,2001 @@ +/* + * Freescale Three Speed Ethernet Controller driver + * + * This software may be used and distributed according to the + * terms of the GNU Public License, Version 2, incorporated + * herein by reference. + * + * Copyright 2004-2010 Freescale Semiconductor, Inc. + * (C) Copyright 2003, Motorola, Inc. + * author Andy Fleming + * + */ + +#include <config.h> +#include <common.h> +#include <malloc.h> +#include <net.h> +#include <command.h> +#include <tsec.h> +#include <asm/errno.h> + +#include "miiphy.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define TX_BUF_CNT 2 + +static uint rxIdx; /* index of the current RX buffer */ +static uint txIdx; /* index of the current TX buffer */ + +typedef volatile struct rtxbd { + txbd8_t txbd[TX_BUF_CNT]; + rxbd8_t rxbd[PKTBUFSRX]; +} RTXBD; + +#define MAXCONTROLLERS (8) + +static struct tsec_private *privlist[MAXCONTROLLERS]; +static int num_tsecs = 0; + +#ifdef __GNUC__ +static RTXBD rtx __attribute__ ((aligned(8))); +#else +#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(volatile 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[] = { +#ifdef CONFIG_TSEC1 + STD_TSEC_INFO(1), /* TSEC1 */ +#endif +#ifdef CONFIG_TSEC2 + STD_TSEC_INFO(2), /* TSEC2 */ +#endif +#ifdef CONFIG_MPC85XX_FEC + { + .regs = (tsec_t *)(TSEC_BASE_ADDR + 0x2000), + .miiregs = (tsec_mdio_t *)(MDIO_BASE_ADDR), + .devname = CONFIG_MPC85XX_FEC_NAME, + .phyaddr = FEC_PHY_ADDR, + .flags = FEC_FLAGS + }, /* FEC */ +#endif +#ifdef CONFIG_TSEC3 + STD_TSEC_INFO(3), /* TSEC3 */ +#endif +#ifdef CONFIG_TSEC4 + STD_TSEC_INFO(4), /* TSEC4 */ +#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 */ + priv->regs->maccfg1 |= MACCFG1_SOFT_RESET; + udelay(2); /* Soft Reset must be asserted for 3 TX clocks */ + 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; + volatile tsec_t *regs = priv->regs; + + /* Make sure the controller is stopped */ + tsec_halt(dev); + + /* Init MACCFG2. Defaults to GMII */ + regs->maccfg2 = MACCFG2_INIT_SETTINGS; + + /* Init ECNTRL */ + regs->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]; + + regs->macstnaddr1 = tempval; + + tempval = *((uint *) (tmpbuf + 4)); + + regs->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(volatile tsec_mdio_t *phyregs, uint addr, + uint reg, uint value) +{ + int timeout = 1000000; + + phyregs->miimadd = (addr << 8) | reg; + phyregs->miimcon = value; + asm("sync"); + + timeout = 1000000; + while ((phyregs->miimind & MIIMIND_BUSY) && timeout--) ; +} + + +/* 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) + +/* Reads register regnum on the device's PHY through the + * specified registers. 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 + */ +static uint tsec_local_mdio_read(volatile tsec_mdio_t *phyregs, + uint phyid, uint regnum) +{ + uint value; + + /* Put the address of the phy, and the register + * number into MIIMADD */ + phyregs->miimadd = (phyid << 8) | regnum; + + /* Clear the command register, and wait */ + phyregs->miimcom = 0; + asm("sync"); + + /* Initiate a read command, and wait */ + phyregs->miimcom = MIIM_READ_COMMAND; + asm("sync"); + + /* Wait for the the indication that the read is done */ + while ((phyregs->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))) ; + + /* Grab the value read from the PHY */ + value = phyregs->miimstat; + + return value; +} + +/* #define to provide old read_phy_reg functionality without duplicating code */ +#define read_phy_reg(priv,regnum) \ + tsec_local_mdio_read(priv->phyregs,priv->phyaddr,regnum) + +#define TBIANA_SETTINGS ( \ + TBIANA_ASYMMETRIC_PAUSE \ + | TBIANA_SYMMETRIC_PAUSE \ + | TBIANA_FULL_DUPLEX \ + ) + +/* By default force the TBI PHY into 1000Mbps full duplex when in SGMII mode */ +#ifndef CONFIG_TSEC_TBICR_SETTINGS +#define CONFIG_TSEC_TBICR_SETTINGS ( \ + TBICR_PHY_RESET \ + | TBICR_ANEG_ENABLE \ + | TBICR_FULL_DUPLEX \ + | TBICR_SPEED1_SET \ + ) +#endif /* CONFIG_TSEC_TBICR_SETTINGS */ + +/* Configure the TBI for SGMII operation */ +static void tsec_configure_serdes(struct tsec_private *priv) +{ + /* Access TBI PHY registers at given TSEC register offset as opposed + * to the register offset used for external PHY accesses */ + tsec_local_mdio_write(priv->phyregs_sgmii, priv->regs->tbipa, TBI_ANA, + TBIANA_SETTINGS); + tsec_local_mdio_write(priv->phyregs_sgmii, priv->regs->tbipa, TBI_TBICON, + TBICON_CLK_SELECT); + tsec_local_mdio_write(priv->phyregs_sgmii, priv->regs->tbipa, TBI_CR, + 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; + volatile tsec_t *regs = priv->regs; + + /* Assign a Physical address to the TBI */ + regs->tbipa = CONFIG_SYS_TBIPA_VALUE; + asm("sync"); + + /* Reset MII (due to new addresses) */ + priv->phyregs->miimcfg = MIIMCFG_RESET; + asm("sync"); + priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE; + asm("sync"); + while (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 (regs->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 + */ +static uint mii_cr_init(uint mii_reg, struct tsec_private * priv) +{ + if (priv->flags & TSEC_GIGABIT) + return MIIM_CONTROL_INIT; + else + return MIIM_CR_INIT; +} + +/* + * Wait for auto-negotiation to complete, then determine link + */ +static uint mii_parse_sr(uint mii_reg, struct tsec_private * priv) +{ + /* + * Wait if the link is up, and autonegotiation is in progress + * (ie - we're capable and it's not done) + */ + mii_reg = read_phy_reg(priv, MIIM_STATUS); + if ((mii_reg & BMSR_ANEGCAPABLE) && !(mii_reg & BMSR_ANEGCOMPLETE)) { + int i = 0; + + puts("Waiting for PHY auto negotiation to complete"); + while (!(mii_reg & BMSR_ANEGCOMPLETE)) { + /* + * Timeout reached ? + */ + if (i > PHY_AUTONEGOTIATE_TIMEOUT) { + puts(" TIMEOUT !\n"); + priv->link = 0; + return 0; + } + + if (ctrlc()) { + puts("user interrupt!\n"); + priv->link = 0; + return -EINTR; + } + + if ((i++ % 1000) == 0) { + putc('.'); + } + udelay(1000); /* 1 ms */ + mii_reg = read_phy_reg(priv, MIIM_STATUS); + } + puts(" done\n"); + + /* Link status bit is latched low, read it again */ + mii_reg = read_phy_reg(priv, MIIM_STATUS); + + udelay(500000); /* another 500 ms (results in faster booting) */ + } + + priv->link = mii_reg & MIIM_STATUS_LINK ? 1 : 0; + + return 0; +} + +/* Generic function which updates the speed and duplex. If + * autonegotiation is enabled, it uses the AND of the link + * partner's advertised capabilities and our advertised + * capabilities. If autonegotiation is disabled, we use the + * appropriate bits in the control register. + * + * Stolen from Linux's mii.c and phy_device.c + */ +static uint mii_parse_link(uint mii_reg, struct tsec_private *priv) +{ + /* We're using autonegotiation */ + if (mii_reg & BMSR_ANEGCAPABLE) { + uint lpa = 0; + uint gblpa = 0; + + /* Check for gigabit capability */ + if (mii_reg & BMSR_ERCAP) { + /* We want a list of states supported by + * both PHYs in the link + */ + gblpa = read_phy_reg(priv, MII_STAT1000); + gblpa &= read_phy_reg(priv, MII_CTRL1000) << 2; + } + + /* Set the baseline so we only have to set them + * if they're different + */ + priv->speed = 10; + priv->duplexity = 0; + + /* Check the gigabit fields */ + if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) { + priv->speed = 1000; + + if (gblpa & PHY_1000BTSR_1000FD) + priv->duplexity = 1; + + /* We're done! */ + return 0; + } + + lpa = read_phy_reg(priv, MII_ADVERTISE); + lpa &= read_phy_reg(priv, MII_LPA); + + if (lpa & (LPA_100FULL | LPA_100HALF)) { + priv->speed = 100; + + if (lpa & LPA_100FULL) + priv->duplexity = 1; + + } else if (lpa & LPA_10FULL) + priv->duplexity = 1; + } else { + uint bmcr = read_phy_reg(priv, MII_BMCR); + + priv->speed = 10; + priv->duplexity = 0; + + if (bmcr & BMCR_FULLDPLX) + priv->duplexity = 1; + + if (bmcr & BMCR_SPEED1000) + priv->speed = 1000; + else if (bmcr & BMCR_SPEED100) + priv->speed = 100; + } + + return 0; +} + +/* + * "Ethernet@Wirespeed" needs to be enabled to achieve link in certain + * circumstances. eg a gigabit TSEC connected to a gigabit switch with + * a 4-wire ethernet cable. Both ends advertise gigabit, but can't + * link. "Ethernet@Wirespeed" reduces advertised speed until link + * can be achieved. + */ +static uint mii_BCM54xx_wirespeed(uint mii_reg, struct tsec_private *priv) +{ + return (read_phy_reg(priv, mii_reg) & 0x8FFF) | 0x8010; +} + +/* + * Parse the BCM54xx status register for speed and duplex information. + * The linux sungem_phy has this information, but in a table format. + */ +static uint mii_parse_BCM54xx_sr(uint mii_reg, struct tsec_private *priv) +{ + /* If there is no link, speed and duplex don't matter */ + if (!priv->link) + return 0; + + switch ((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >> + MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT) { + case 1: + priv->duplexity = 0; + priv->speed = 10; + break; + case 2: + priv->duplexity = 1; + priv->speed = 10; + break; + case 3: + priv->duplexity = 0; + priv->speed = 100; + break; + case 5: + priv->duplexity = 1; + priv->speed = 100; + break; + case 6: + priv->duplexity = 0; + priv->speed = 1000; + break; + case 7: + priv->duplexity = 1; + priv->speed = 1000; + break; + default: + printf("Auto-neg error, defaulting to 10BT/HD\n"); + priv->duplexity = 0; + priv->speed = 10; + break; + } + + return 0; +} + +/* + * Find out if PHY is in copper or serdes mode by looking at Expansion Reg + * 0x42 - "Operating Mode Status Register" + */ +static int BCM8482_is_serdes(struct tsec_private *priv) +{ + u16 val; + int serdes = 0; + + write_phy_reg(priv, MIIM_BCM54XX_EXP_SEL, MIIM_BCM54XX_EXP_SEL_ER | 0x42); + val = read_phy_reg(priv, MIIM_BCM54XX_EXP_DATA); + + switch (val & 0x1f) { + case 0x0d: /* RGMII-to-100Base-FX */ + case 0x0e: /* RGMII-to-SGMII */ + case 0x0f: /* RGMII-to-SerDes */ + case 0x12: /* SGMII-to-SerDes */ + case 0x13: /* SGMII-to-100Base-FX */ + case 0x16: /* SerDes-to-Serdes */ + serdes = 1; + break; + case 0x6: /* RGMII-to-Copper */ + case 0x14: /* SGMII-to-Copper */ + case 0x17: /* SerDes-to-Copper */ + break; + default: + printf("ERROR, invalid PHY mode (0x%x\n)", val); + break; + } + + return serdes; +} + +/* + * Determine SerDes link speed and duplex from Expansion reg 0x42 "Operating + * Mode Status Register" + */ +uint mii_parse_BCM5482_serdes_sr(struct tsec_private *priv) +{ + u16 val; + int i = 0; + + /* Wait 1s for link - Clause 37 autonegotiation happens very fast */ + while (1) { + write_phy_reg(priv, MIIM_BCM54XX_EXP_SEL, + MIIM_BCM54XX_EXP_SEL_ER | 0x42); + val = read_phy_reg(priv, MIIM_BCM54XX_EXP_DATA); + + if (val & 0x8000) + break; + + if (i++ > 1000) { + priv->link = 0; + return 1; + } + + udelay(1000); /* 1 ms */ + } + + priv->link = 1; + switch ((val >> 13) & 0x3) { + case (0x00): + priv->speed = 10; + break; + case (0x01): + priv->speed = 100; + break; + case (0x02): + priv->speed = 1000; + break; + } + + priv->duplexity = (val & 0x1000) == 0x1000; + + return 0; +} + +/* + * Figure out if BCM5482 is in serdes or copper mode and determine link + * configuration accordingly + */ +static uint mii_parse_BCM5482_sr(uint mii_reg, struct tsec_private *priv) +{ + if (BCM8482_is_serdes(priv)) { + mii_parse_BCM5482_serdes_sr(priv); + priv->flags |= TSEC_FIBER; + } else { + /* Wait for auto-negotiation to complete or fail */ + mii_parse_sr(mii_reg, priv); + + /* Parse BCM54xx copper aux status register */ + mii_reg = read_phy_reg(priv, MIIM_BCM54xx_AUXSTATUS); + mii_parse_BCM54xx_sr(mii_reg, priv); + } + + return 0; +} + +/* Parse the 88E1011's status register for speed and duplex + * information + */ +static uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv) +{ + uint speed; + + mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS); + + if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) && + !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) { + int i = 0; + + puts("Waiting for PHY realtime link"); + while (!(mii_reg & MIIM_88E1011_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_88E1011_PHY_STATUS); + } + puts(" done\n"); + udelay(500000); /* another 500 ms (results in faster booting) */ + } else { + if (mii_reg & MIIM_88E1011_PHYSTAT_LINK) + priv->link = 1; + else + priv->link = 0; + } + + if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX) + priv->duplexity = 1; + else + priv->duplexity = 0; + + speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED); + + switch (speed) { + case MIIM_88E1011_PHYSTAT_GBIT: + priv->speed = 1000; + break; + case MIIM_88E1011_PHYSTAT_100: + priv->speed = 100; + break; + default: + priv->speed = 10; + } + + return 0; +} + +/* Parse the RTL8211B's status register for speed and duplex + * information + */ +static 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_SPDDONE)) { + int i = 0; + + /* in case of timeout ->link is cleared */ + priv->link = 1; + 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 + */ +static uint mii_parse_cis8201(uint mii_reg, struct tsec_private * priv) +{ + uint speed; + + if (mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX) + priv->duplexity = 1; + else + priv->duplexity = 0; + + speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED; + switch (speed) { + case MIIM_CIS8201_AUXCONSTAT_GBIT: + priv->speed = 1000; + break; + case MIIM_CIS8201_AUXCONSTAT_100: + priv->speed = 100; + break; + default: + priv->speed = 10; + break; + } + + return 0; +} + +/* Parse the vsc8244's status register for speed and duplex + * information + */ +static uint mii_parse_vsc8244(uint mii_reg, struct tsec_private * priv) +{ + uint speed; + + if (mii_reg & MIIM_VSC8244_AUXCONSTAT_DUPLEX) + priv->duplexity = 1; + else + priv->duplexity = 0; + + speed = mii_reg & MIIM_VSC8244_AUXCONSTAT_SPEED; + switch (speed) { + case MIIM_VSC8244_AUXCONSTAT_GBIT: + priv->speed = 1000; + break; + case MIIM_VSC8244_AUXCONSTAT_100: + priv->speed = 100; + break; + default: + priv->speed = 10; + break; + } + + return 0; +} + +/* Parse the DM9161's status register for speed and duplex + * information + */ +static uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private * priv) +{ + if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H)) + priv->speed = 100; + else + priv->speed = 10; + + if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F)) + priv->duplexity = 1; + else + priv->duplexity = 0; + + return 0; +} + +/* + * Hack to write all 4 PHYs with the LED values + */ +static uint mii_cis8204_fixled(uint mii_reg, struct tsec_private * priv) +{ + uint phyid; + volatile tsec_mdio_t *regbase = priv->phyregs; + int timeout = 1000000; + + for (phyid = 0; phyid < 4; phyid++) { + regbase->miimadd = (phyid << 8) | mii_reg; + regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT; + asm("sync"); + + timeout = 1000000; + while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ; + } + + return MIIM_CIS8204_SLEDCON_INIT; +} + +static uint mii_cis8204_setmode(uint mii_reg, struct tsec_private * priv) +{ + if (priv->flags & TSEC_REDUCED) + return MIIM_CIS8204_EPHYCON_INIT | MIIM_CIS8204_EPHYCON_RGMII; + else + return MIIM_CIS8204_EPHYCON_INIT; +} + +static uint mii_m88e1111s_setmode(uint mii_reg, struct tsec_private *priv) +{ + uint mii_data = read_phy_reg(priv, mii_reg); + + if (priv->flags & TSEC_REDUCED) + mii_data = (mii_data & 0xfff0) | 0x000b; + 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(volatile tsec_t * regs) +{ + /* Clear IEVENT */ + regs->ievent = IEVENT_INIT_CLEAR; + + regs->imask = IMASK_INIT_CLEAR; + + regs->hash.iaddr0 = 0; + regs->hash.iaddr1 = 0; + regs->hash.iaddr2 = 0; + regs->hash.iaddr3 = 0; + regs->hash.iaddr4 = 0; + regs->hash.iaddr5 = 0; + regs->hash.iaddr6 = 0; + regs->hash.iaddr7 = 0; + + regs->hash.gaddr0 = 0; + regs->hash.gaddr1 = 0; + regs->hash.gaddr2 = 0; + regs->hash.gaddr3 = 0; + regs->hash.gaddr4 = 0; + regs->hash.gaddr5 = 0; + regs->hash.gaddr6 = 0; + regs->hash.gaddr7 = 0; + + regs->rctrl = 0x00000000; + + /* Init RMON mib registers */ + memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t)); + + regs->rmon.cam1 = 0xffffffff; + regs->rmon.cam2 = 0xffffffff; + + regs->mrblr = MRBLR_INIT_SETTINGS; + + regs->minflr = MINFLR_INIT_SETTINGS; + + regs->attr = ATTR_INIT_SETTINGS; + regs->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; + volatile tsec_t *regs = priv->regs; + + if (priv->link) { + if (priv->duplexity != 0) + regs->maccfg2 |= MACCFG2_FULL_DUPLEX; + else + regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX); + + switch (priv->speed) { + case 1000: + regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF)) + | MACCFG2_GMII); + break; + case 100: + case 10: + regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF)) + | MACCFG2_MII); + + /* Set R100 bit in all modes although + * it is only used in RGMII mode + */ + if (priv->speed == 100) + regs->ecntrl |= ECNTRL_R100; + else + regs->ecntrl &= ~(ECNTRL_R100); + break; + default: + printf("%s: Speed was bad\n", dev->name); + break; + } + + printf("Speed: %d, %s duplex%s\n", priv->speed, + (priv->duplexity) ? "full" : "half", + (priv->flags & TSEC_FIBER) ? ", fiber mode" : ""); + + } else { + printf("%s: No link.\n", dev->name); + } +} + +/* 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; + volatile tsec_t *regs = priv->regs; + + /* Point to the buffer descriptors */ + regs->tbase = (unsigned int)(&rtx.txbd[txIdx]); + regs->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 */ + regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN); + + /* Tell the DMA it is clear to go */ + regs->dmactrl |= DMACTRL_INIT_SETTINGS; + regs->tstat = TSTAT_CLEAR_THALT; + regs->rstat = RSTAT_CLEAR_RHALT; + regs->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; + volatile 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 */ + regs->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; + volatile 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 (regs->ievent & IEVENT_BSY) { + regs->ievent = IEVENT_BSY; + regs->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; + volatile tsec_t *regs = priv->regs; + + regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS); + regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS); + + while ((regs->ievent & (IEVENT_GRSC | IEVENT_GTSC)) + != (IEVENT_GRSC | IEVENT_GTSC)) ; + + regs->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 */ + /* 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,} + }, +}; + +/* 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,} + }, +}; + +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}, + {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}, + /* Write intial value to secondary SerDes Contol */ + {MIIM_BCM54XX_EXP_SEL, MIIM_BCM54XX_EXP_SEL_SSD | 0, NULL}, + {MIIM_BCM54XX_EXP_DATA, MIIM_CONTROL_RESTART, NULL}, + /* Enable copper/fiber auto-detect */ + {MIIM_BCM54XX_SHD, MIIM_BCM54XX_SHD_WR_ENCODE(0x1e, 0x201)}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Status is read once to clear old link state */ + {MIIM_STATUS, miim_read, NULL}, + /* Determine copper/fiber, auto-negotiate, and read the result */ + {MIIM_STATUS, miim_read, &mii_parse_BCM5482_sr}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_M88E1011S = { + 0x01410c6, + "Marvell 88E1011S", + 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,} + }, +}; + +static struct phy_info phy_info_M88E1111S = { + 0x01410cc, + "Marvell 88E1111S", + 4, + (struct phy_cmd[]) { /* config */ + /* Reset and configure the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {0x1b, 0x848f, &mii_m88e1111s_setmode}, + {0x14, 0x0cd2, NULL}, /* Delay RGMII TX and RX */ + {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,} + }, +}; + +static struct phy_info phy_info_M88E1118 = { + 0x01410e1, + "Marvell 88E1118", + 4, + (struct phy_cmd[]) { /* config */ + /* Reset and configure the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {0x16, 0x0002, NULL}, /* Change Page Number */ + {0x15, 0x1070, NULL}, /* Delay RGMII TX and RX */ + {0x16, 0x0003, NULL}, /* Change Page Number */ + {0x10, 0x021e, NULL}, /* Adjust LED control */ + {0x16, 0x0000, NULL}, /* Change Page Number */ + {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 */ + {0x16, 0x0000, NULL}, /* Change Page Number */ + /* 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,} + }, +}; + +/* + * Since to access LED register we need do switch the page, we + * do LED configuring in the miim_read-like function as follows + */ +static uint mii_88E1121_set_led (uint mii_reg, struct tsec_private *priv) +{ + uint pg; + + /* Switch the page to access the led register */ + pg = read_phy_reg(priv, MIIM_88E1121_PHY_PAGE); + write_phy_reg(priv, MIIM_88E1121_PHY_PAGE, MIIM_88E1121_PHY_LED_PAGE); + + /* Configure leds */ + write_phy_reg(priv, MIIM_88E1121_PHY_LED_CTRL, + MIIM_88E1121_PHY_LED_DEF); + + /* Restore the page pointer */ + write_phy_reg(priv, MIIM_88E1121_PHY_PAGE, pg); + return 0; +} + +static struct phy_info phy_info_M88E1121R = { + 0x01410cb, + "Marvell 88E1121R", + 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}, + /* Configure leds */ + {MIIM_88E1121_PHY_LED_CTRL, miim_read, &mii_88E1121_set_led}, + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + /* Disable IRQs and de-assert interrupt */ + {MIIM_88E1121_PHY_IRQ_EN, 0, NULL}, + {MIIM_88E1121_PHY_IRQ_STATUS, miim_read, NULL}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Status is read once to clear old link state */ + {MIIM_STATUS, miim_read, NULL}, + {MIIM_STATUS, miim_read, &mii_parse_sr}, + {MIIM_STATUS, miim_read, &mii_parse_link}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv) +{ + uint mii_data = read_phy_reg(priv, mii_reg); + + /* Setting MIIM_88E1145_PHY_EXT_CR */ + if (priv->flags & TSEC_REDUCED) + return mii_data | + MIIM_M88E1145_RGMII_RX_DELAY | MIIM_M88E1145_RGMII_TX_DELAY; + else + return mii_data; +} + +static struct phy_info phy_info_M88E1145 = { + 0x01410cd, + "Marvell 88E1145", + 4, + (struct phy_cmd[]) { /* config */ + /* Reset the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + + /* Errata E0, E1 */ + {29, 0x001b, NULL}, + {30, 0x418f, NULL}, + {29, 0x0016, NULL}, + {30, 0xa2da, NULL}, + + /* Configure the PHY */ + {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL}, + {MIIM_ANAR, MIIM_ANAR_INIT, NULL}, + {MIIM_88E1011_PHY_SCR, MIIM_88E1011_PHY_MDI_X_AUTO, NULL}, + {MIIM_88E1145_PHY_EXT_CR, 0, &m88e1145_setmode}, + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_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}, + {MIIM_88E1111_PHY_LED_CONTROL, MIIM_88E1111_PHY_LED_DIRECT, NULL}, + /* Read the Status */ + {MIIM_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_cis8204 = { + 0x3f11, + "Cicada Cis8204", + 6, + (struct phy_cmd[]) { /* config */ + /* Override PHY config settings */ + {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL}, + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT, + &mii_cis8204_fixled}, + {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT, + &mii_cis8204_setmode}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Read the Status (2x to make sure link is right) */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +/* Cicada 8201 */ +static struct phy_info phy_info_cis8201 = { + 0xfc41, + "CIS8201", + 4, + (struct phy_cmd[]) { /* config */ + /* Override PHY config settings */ + {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL}, + /* Set up the interface mode */ + {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT, NULL}, + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Read the Status (2x to make sure link is right) */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_VSC8211 = { + 0xfc4b, + "Vitesse VSC8211", + 4, + (struct phy_cmd[]) { /* config */ + /* Override PHY config settings */ + {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL}, + /* Set up the interface mode */ + {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT, NULL}, + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Read the Status (2x to make sure link is right) */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_VSC8244 = { + 0x3f1b, + "Vitesse VSC8244", + 6, + (struct phy_cmd[]) { /* config */ + /* Override PHY config settings */ + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Read the Status (2x to make sure link is right) */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_VSC8244_AUX_CONSTAT, miim_read, &mii_parse_vsc8244}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_VSC8641 = { + 0x7043, + "Vitesse VSC8641", + 4, + (struct phy_cmd[]) { /* config */ + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Read the Status (2x to make sure link is right) */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_VSC8244_AUX_CONSTAT, miim_read, &mii_parse_vsc8244}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_VSC8221 = { + 0xfc55, + "Vitesse VSC8221", + 4, + (struct phy_cmd[]) { /* config */ + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Read the Status (2x to make sure link is right) */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_VSC8244_AUX_CONSTAT, miim_read, &mii_parse_vsc8244}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_VSC8601 = { + 0x00007042, + "Vitesse VSC8601", + 4, + (struct phy_cmd[]) { /* config */ + /* Override PHY config settings */ + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, +#ifdef CONFIG_SYS_VSC8601_SKEWFIX + {MIIM_VSC8601_EPHY_CON,MIIM_VSC8601_EPHY_CON_INIT_SKEW,NULL}, +#if defined(CONFIG_SYS_VSC8601_SKEW_TX) && defined(CONFIG_SYS_VSC8601_SKEW_RX) + {MIIM_EXT_PAGE_ACCESS,1,NULL}, +#define VSC8101_SKEW \ + (CONFIG_SYS_VSC8601_SKEW_TX << 14) | (CONFIG_SYS_VSC8601_SKEW_RX << 12) + {MIIM_VSC8601_SKEW_CTRL,VSC8101_SKEW,NULL}, + {MIIM_EXT_PAGE_ACCESS,0,NULL}, +#endif +#endif + {MIIM_ANAR, MIIM_ANAR_INIT, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_RESTART, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Read the Status (2x to make sure link is right) */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_VSC8244_AUX_CONSTAT, miim_read, &mii_parse_vsc8244}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +static struct phy_info phy_info_dm9161 = { + 0x0181b88, + "Davicom DM9161E", + 4, + (struct phy_cmd[]) { /* config */ + {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL}, + /* Do not bypass the scrambler/descrambler */ + {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL}, + /* Clear 10BTCSR to default */ + {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT, NULL}, + /* Configure some basic stuff */ + {MIIM_CONTROL, MIIM_CR_INIT, NULL}, + /* Restart Auto Negotiation */ + {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, 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 status */ + {MIIM_DM9161_SCSR, miim_read, &mii_parse_dm9161_scsr}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + +/* micrel KSZ804 */ +static struct phy_info phy_info_ksz804 = { + 0x0022151, + "Micrel KSZ804 PHY", + 4, + (struct phy_cmd[]) { /* config */ + {MII_BMCR, BMCR_RESET, NULL}, + {MII_BMCR, BMCR_ANENABLE|BMCR_ANRESTART, 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,} + } +}; + +/* a generic flavor. */ +static struct phy_info phy_info_generic = { + 0, + "Unknown/Generic PHY", + 32, + (struct phy_cmd[]) { /* config */ + {MII_BMCR, BMCR_RESET, NULL}, + {MII_BMCR, BMCR_ANENABLE|BMCR_ANRESTART, 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 uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv) +{ + unsigned int speed; + if (priv->link) { + speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK; + + switch (speed) { + case MIIM_LXT971_SR2_10HDX: + priv->speed = 10; + priv->duplexity = 0; + break; + case MIIM_LXT971_SR2_10FDX: + priv->speed = 10; + priv->duplexity = 1; + break; + case MIIM_LXT971_SR2_100HDX: + priv->speed = 100; + priv->duplexity = 0; + break; + default: + priv->speed = 100; + priv->duplexity = 1; + } + } else { + priv->speed = 0; + priv->duplexity = 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,} + }, +}; + +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_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; + volatile tsec_mdio_t *phyregs = priv->phyregs; + + phyregs->miimcfg = MIIMCFG_RESET; + + phyregs->miimcfg = MIIMCFG_INIT_VALUE; + + while (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 ? */ |