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u-boot/drivers/net/tsec.c
Mingkai Hu a32a6be28f tsec: use IO accessors for IO accesses 
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Detlev Zundel <dzu@denx.de>
2011-04-20 13:44:46 -05:00

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51 KiB
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/*
* 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 2004-2011 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(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 */
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(&regs->maccfg2, MACCFG2_INIT_SETTINGS);
/* Init ECNTRL */
out_be32(&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];
out_be32(&regs->macstnaddr1, tempval);
tempval = *((uint *) (tmpbuf + 4));
out_be32(&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(tsec_mdio_t *phyregs, uint addr,
uint reg, uint value)
{
int timeout = 1000000;
out_be32(&phyregs->miimadd, (addr << 8) | reg);
out_be32(&phyregs->miimcon, value);
timeout = 1000000;
while ((in_be32(&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(tsec_mdio_t *phyregs, uint phyid, uint regnum)
{
uint value;
/* Put the address of the phy, and the register
* number into MIIMADD */
out_be32(&phyregs->miimadd, (phyid << 8) | regnum);
/* Clear the command register, and wait */
out_be32(&phyregs->miimcom, 0);
/* Initiate a read command, and wait */
out_be32(&phyregs->miimcom, MIIM_READ_COMMAND);
/* Wait for the the indication that the read is done */
while ((in_be32(&phyregs->miimind) & (MIIMIND_NOTVALID | MIIMIND_BUSY)))
;
/* Grab the value read from the PHY */
value = in_be32(&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;
tsec_t *regs = priv->regs;
/* Assign a Physical address to the TBI */
out_be32(&regs->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(&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;
tsec_mdio_t *regbase = priv->phyregs;
int timeout = 1000000;
for (phyid = 0; phyid < 4; phyid++) {
out_be32(&regbase->miimadd, (phyid << 8) | mii_reg);
out_be32(&regbase->miimcon, MIIM_CIS8204_SLEDCON_INIT);
timeout = 1000000;
while ((in_be32(&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(tsec_t *regs)
{
/* Clear IEVENT */
out_be32(&regs->ievent, IEVENT_INIT_CLEAR);
out_be32(&regs->imask, IMASK_INIT_CLEAR);
out_be32(&regs->hash.iaddr0, 0);
out_be32(&regs->hash.iaddr1, 0);
out_be32(&regs->hash.iaddr2, 0);
out_be32(&regs->hash.iaddr3, 0);
out_be32(&regs->hash.iaddr4, 0);
out_be32(&regs->hash.iaddr5, 0);
out_be32(&regs->hash.iaddr6, 0);
out_be32(&regs->hash.iaddr7, 0);
out_be32(&regs->hash.gaddr0, 0);
out_be32(&regs->hash.gaddr1, 0);
out_be32(&regs->hash.gaddr2, 0);
out_be32(&regs->hash.gaddr3, 0);
out_be32(&regs->hash.gaddr4, 0);
out_be32(&regs->hash.gaddr5, 0);
out_be32(&regs->hash.gaddr6, 0);
out_be32(&regs->hash.gaddr7, 0);
out_be32(&regs->rctrl, 0x00000000);
/* Init RMON mib registers */
memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
out_be32(&regs->rmon.cam1, 0xffffffff);
out_be32(&regs->rmon.cam2, 0xffffffff);
out_be32(&regs->mrblr, MRBLR_INIT_SETTINGS);
out_be32(&regs->minflr, MINFLR_INIT_SETTINGS);
out_be32(&regs->attr, ATTR_INIT_SETTINGS);
out_be32(&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;
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(&regs->ecntrl);
ecntrl &= ~ECNTRL_R100;
maccfg2 = in_be32(&regs->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(&regs->ecntrl, ecntrl);
out_be32(&regs->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(&regs->tbase, (unsigned int)(&rtx.txbd[txIdx]));
out_be32(&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 */
setbits_be32(&regs->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN);
/* Tell the DMA it is clear to go */
setbits_be32(&regs->dmactrl, DMACTRL_INIT_SETTINGS);
out_be32(&regs->tstat, TSTAT_CLEAR_THALT);
out_be32(&regs->rstat, RSTAT_CLEAR_RHALT);
clrbits_be32(&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;
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(&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;
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(&regs->ievent) & IEVENT_BSY) {
out_be32(&regs->ievent, IEVENT_BSY);
out_be32(&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;
tsec_t *regs = priv->regs;
clrbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
setbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
while ((in_be32(&regs->ievent) & (IEVENT_GRSC | IEVENT_GTSC))
!= (IEVENT_GRSC | IEVENT_GTSC))
;
clrbits_be32(&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,}
},
};
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 ? */
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