tsec.c

/* 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,}
	},
};

/* a generic flavor.  */
static struct phy_info phy_info_generic =  {
	0,
	"Unknown/Generic PHY",
	32,
	(struct phy_cmd[]) { /* config */
		{PHY_BMCR, PHY_BMCR_RESET, NULL},
		{PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
		{miim_end,}
	},
	(struct phy_cmd[]) { /* startup */
		{PHY_BMSR, miim_read, NULL},
		{PHY_BMSR, miim_read, &mii_parse_sr},
		{PHY_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_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(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(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 ? */