#if (CONFIG_COMMANDS & CFG_CMD_NET)
/* structure to interface the PHY */
-AT91S_PhyOps AT91S_Dm9161Ops;
-AT91PS_PhyOps pPhyOps;
+AT91S_PhyOps PhyOps;
AT91PS_EMAC p_mac;
-/*************************** Phy layer functions ************************/
-/** functions to interface the DAVICOM 10/100Mbps ethernet phy **********/
-
-/*
- * Name:
- * dm9161_IsPhyConnected
- * Description:
- * Reads the 2 PHY ID registers
- * Arguments:
- * p_mac - pointer to AT91S_EMAC struct
- * Return value:
- * TRUE - if id read successfully
- * FALSE- if error
- */
-static unsigned int dm9161_IsPhyConnected (AT91PS_EMAC p_mac)
-{
- unsigned short Id1, Id2;
-
- at91rm9200_EmacEnableMDIO (p_mac);
- at91rm9200_EmacReadPhy (p_mac, DM9161_PHYID1, &Id1);
- at91rm9200_EmacReadPhy (p_mac, DM9161_PHYID2, &Id2);
- at91rm9200_EmacDisableMDIO (p_mac);
-
- if ((Id1 == (DM9161_PHYID1_OUI >> 6)) &&
- ((Id2 >> 10) == (DM9161_PHYID1_OUI & DM9161_LSB_MASK)))
- return TRUE;
-
- return FALSE;
-}
-
-/*
- * Name:
- * dm9161_GetLinkSpeed
- * Description:
- * Link parallel detection status of MAC is checked and set in the
- * MAC configuration registers
- * Arguments:
- * p_mac - pointer to MAC
- * Return value:
- * TRUE - if link status set succesfully
- * FALSE - if link status not set
- */
-static UCHAR dm9161_GetLinkSpeed (AT91PS_EMAC p_mac)
-{
- unsigned short stat1, stat2;
-
- if (!at91rm9200_EmacReadPhy (p_mac, DM9161_BMSR, &stat1))
- return FALSE;
-
- if (!(stat1 & DM9161_LINK_STATUS)) /* link status up? */
- return FALSE;
-
- if (!at91rm9200_EmacReadPhy (p_mac, DM9161_DSCSR, &stat2))
- return FALSE;
-
- if ((stat1 & DM9161_100BASE_TX_FD) && (stat2 & DM9161_100FDX)) {
- /*set Emac for 100BaseTX and Full Duplex */
- p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD;
- return TRUE;
- }
-
- if ((stat1 & DM9161_10BASE_T_FD) && (stat2 & DM9161_10FDX)) {
- /*set MII for 10BaseT and Full Duplex */
- p_mac->EMAC_CFG = (p_mac->EMAC_CFG &
- ~(AT91C_EMAC_SPD | AT91C_EMAC_FD))
- | AT91C_EMAC_FD;
- return TRUE;
- }
-
- if ((stat1 & DM9161_100BASE_T4_HD) && (stat2 & DM9161_100HDX)) {
- /*set MII for 100BaseTX and Half Duplex */
- p_mac->EMAC_CFG = (p_mac->EMAC_CFG &
- ~(AT91C_EMAC_SPD | AT91C_EMAC_FD))
- | AT91C_EMAC_SPD;
- return TRUE;
- }
-
- if ((stat1 & DM9161_10BASE_T_HD) && (stat2 & DM9161_10HDX)) {
- /*set MII for 10BaseT and Half Duplex */
- p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD);
- return TRUE;
- }
- return FALSE;
-}
-
-
-/*
- * Name:
- * dm9161_InitPhy
- * Description:
- * MAC starts checking its link by using parallel detection and
- * Autonegotiation and the same is set in the MAC configuration registers
- * Arguments:
- * p_mac - pointer to struct AT91S_EMAC
- * Return value:
- * TRUE - if link status set succesfully
- * FALSE - if link status not set
- */
-static UCHAR dm9161_InitPhy (AT91PS_EMAC p_mac)
-{
- UCHAR ret = TRUE;
- unsigned short IntValue;
-
- at91rm9200_EmacEnableMDIO (p_mac);
-
- if (!dm9161_GetLinkSpeed (p_mac)) {
- /* Try another time */
- ret = dm9161_GetLinkSpeed (p_mac);
- }
-
- /* Disable PHY Interrupts */
- at91rm9200_EmacReadPhy (p_mac, DM9161_MDINTR, &IntValue);
- /* clear FDX, SPD, Link, INTR masks */
- IntValue &= ~(DM9161_FDX_MASK | DM9161_SPD_MASK |
- DM9161_LINK_MASK | DM9161_INTR_MASK);
- at91rm9200_EmacWritePhy (p_mac, DM9161_MDINTR, &IntValue);
- at91rm9200_EmacDisableMDIO (p_mac);
-
- return (ret);
-}
-
-
-/*
- * Name:
- * dm9161_AutoNegotiate
- * Description:
- * MAC Autonegotiates with the partner status of same is set in the
- * MAC configuration registers
- * Arguments:
- * dev - pointer to struct net_device
- * Return value:
- * TRUE - if link status set successfully
- * FALSE - if link status not set
- */
-static UCHAR dm9161_AutoNegotiate (AT91PS_EMAC p_mac, int *status)
-{
- unsigned short value;
- unsigned short PhyAnar;
- unsigned short PhyAnalpar;
-
- /* Set dm9161 control register */
- if (!at91rm9200_EmacReadPhy (p_mac, DM9161_BMCR, &value))
- return FALSE;
- value &= ~DM9161_AUTONEG; /* remove autonegotiation enable */
- value |= DM9161_ISOLATE; /* Electrically isolate PHY */
- if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value))
- return FALSE;
-
- /* Set the Auto_negotiation Advertisement Register */
- /* MII advertising for Next page, 100BaseTxFD and HD, 10BaseTFD and HD, IEEE 802.3 */
- PhyAnar = DM9161_NP | DM9161_TX_FDX | DM9161_TX_HDX |
- DM9161_10_FDX | DM9161_10_HDX | DM9161_AN_IEEE_802_3;
- if (!at91rm9200_EmacWritePhy (p_mac, DM9161_ANAR, &PhyAnar))
- return FALSE;
-
- /* Read the Control Register */
- if (!at91rm9200_EmacReadPhy (p_mac, DM9161_BMCR, &value))
- return FALSE;
-
- value |= DM9161_SPEED_SELECT | DM9161_AUTONEG | DM9161_DUPLEX_MODE;
- if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value))
- return FALSE;
- /* Restart Auto_negotiation */
- value |= DM9161_RESTART_AUTONEG;
- if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value))
- return FALSE;
-
- /*check AutoNegotiate complete */
- udelay (10000);
- at91rm9200_EmacReadPhy (p_mac, DM9161_BMSR, &value);
- if (!(value & DM9161_AUTONEG_COMP))
- return FALSE;
-
- /* Get the AutoNeg Link partner base page */
- if (!at91rm9200_EmacReadPhy (p_mac, DM9161_ANLPAR, &PhyAnalpar))
- return FALSE;
-
- if ((PhyAnar & DM9161_TX_FDX) && (PhyAnalpar & DM9161_TX_FDX)) {
- /*set MII for 100BaseTX and Full Duplex */
- p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD;
- return TRUE;
- }
-
- if ((PhyAnar & DM9161_10_FDX) && (PhyAnalpar & DM9161_10_FDX)) {
- /*set MII for 10BaseT and Full Duplex */
- p_mac->EMAC_CFG = (p_mac->EMAC_CFG &
- ~(AT91C_EMAC_SPD | AT91C_EMAC_FD))
- | AT91C_EMAC_FD;
- return TRUE;
- }
- return FALSE;
-}
-
-
/*********** EMAC Phy layer Management functions *************************/
/*
* Name:
* Return value:
* none
*/
-static void at91rm9200_EmacEnableMDIO (AT91PS_EMAC p_mac)
+void at91rm9200_EmacEnableMDIO (AT91PS_EMAC p_mac)
{
/* Mac CTRL reg set for MDIO enable */
p_mac->EMAC_CTL |= AT91C_EMAC_MPE; /* Management port enable */
* Return value:
* none
*/
-static void at91rm9200_EmacDisableMDIO (AT91PS_EMAC p_mac)
+void at91rm9200_EmacDisableMDIO (AT91PS_EMAC p_mac)
{
/* Mac CTRL reg set for MDIO disable */
p_mac->EMAC_CTL &= ~AT91C_EMAC_MPE; /* Management port disable */
* Return value:
* TRUE - if data read successfully
*/
-static UCHAR at91rm9200_EmacReadPhy (AT91PS_EMAC p_mac,
+UCHAR at91rm9200_EmacReadPhy (AT91PS_EMAC p_mac,
unsigned char RegisterAddress,
unsigned short *pInput)
{
p_mac->EMAC_MAN = (AT91C_EMAC_HIGH & ~AT91C_EMAC_LOW) |
- (AT91C_EMAC_CODE_802_3) | (AT91C_EMAC_RW_R) |
- (RegisterAddress << 18);
+ (AT91C_EMAC_RW_R) |
+ (RegisterAddress << 18) |
+ (AT91C_EMAC_CODE_802_3);
udelay (10000);
* Return value:
* TRUE - if data read successfully
*/
-static UCHAR at91rm9200_EmacWritePhy (AT91PS_EMAC p_mac,
- unsigned char RegisterAddress,
- unsigned short *pOutput)
+UCHAR at91rm9200_EmacWritePhy (AT91PS_EMAC p_mac,
+ unsigned char RegisterAddress,
+ unsigned short *pOutput)
{
p_mac->EMAC_MAN = (AT91C_EMAC_HIGH & ~AT91C_EMAC_LOW) |
AT91C_EMAC_CODE_802_3 | AT91C_EMAC_RW_W |
- (RegisterAddress << 18);
+ (RegisterAddress << 18) | *pOutput;
udelay (10000);
return TRUE;
}
-/*
- * Name:
- * at91rm92000_GetPhyInterface
- * Description:
- * Initialise the interface functions to the PHY
- * Arguments:
- * None
- * Return value:
- * None
- */
-void at91rm92000_GetPhyInterface (void)
-{
- AT91S_Dm9161Ops.Init = dm9161_InitPhy;
- AT91S_Dm9161Ops.IsPhyConnected = dm9161_IsPhyConnected;
- AT91S_Dm9161Ops.GetLinkSpeed = dm9161_GetLinkSpeed;
- AT91S_Dm9161Ops.AutoNegotiate = dm9161_AutoNegotiate;
-
- pPhyOps = (AT91PS_PhyOps) & AT91S_Dm9161Ops;
-}
-
rbf_t *rbfdt;
rbf_t *rbfp;
p_mac = AT91C_BASE_EMAC;
- *AT91C_PIOA_PDR = AT91C_PA16_EMDIO | AT91C_PA15_EMDC | AT91C_PA14_ERXER | AT91C_PA13_ERX1 | AT91C_PA12_ERX0 | AT91C_PA11_ECRS_ECRSDV | AT91C_PA10_ETX1 | AT91C_PA9_ETX0 | AT91C_PA8_ETXEN | AT91C_PA7_ETXCK_EREFCK; /* PIO Disable Register */
-
- *AT91C_PIOB_PDR = AT91C_PB25_EF100 |
- AT91C_PB19_ERXCK | AT91C_PB18_ECOL | AT91C_PB17_ERXDV |
- AT91C_PB16_ERX3 | AT91C_PB15_ERX2 | AT91C_PB14_ETXER |
- AT91C_PB13_ETX3 | AT91C_PB12_ETX2;
-
- *AT91C_PIOB_BSR = AT91C_PB25_EF100 | AT91C_PB19_ERXCK | AT91C_PB18_ECOL | AT91C_PB17_ERXDV | AT91C_PB16_ERX3 | AT91C_PB15_ERX2 | AT91C_PB14_ETXER | AT91C_PB13_ETX3 | AT91C_PB12_ETX2; /* Select B Register */
+ /* PIO Disable Register */
+ *AT91C_PIOA_PDR = AT91C_PA16_EMDIO | AT91C_PA15_EMDC | AT91C_PA14_ERXER |
+ AT91C_PA13_ERX1 | AT91C_PA12_ERX0 | AT91C_PA11_ECRS_ECRSDV |
+ AT91C_PA10_ETX1 | AT91C_PA9_ETX0 | AT91C_PA8_ETXEN |
+ AT91C_PA7_ETXCK_EREFCK;
+
+#ifdef CONFIG_AT91C_USE_RMII
+ *AT91C_PIOB_PDR = AT91C_PB19_ERXCK;
+ *AT91C_PIOB_BSR = AT91C_PB19_ERXCK;
+#else
+ *AT91C_PIOB_PDR = AT91C_PB19_ERXCK | AT91C_PB18_ECOL | AT91C_PB17_ERXDV |
+ AT91C_PB16_ERX3 | AT91C_PB15_ERX2 | AT91C_PB14_ETXER |
+ AT91C_PB13_ETX3 | AT91C_PB12_ETX2;
+
+ /* Select B Register */
+ *AT91C_PIOB_BSR = AT91C_PB19_ERXCK | AT91C_PB18_ECOL |
+ AT91C_PB17_ERXDV | AT91C_PB16_ERX3 | AT91C_PB15_ERX2 |
+ AT91C_PB14_ETXER | AT91C_PB13_ETX3 | AT91C_PB12_ETX2;
+#endif
*AT91C_PMC_PCER = 1 << AT91C_ID_EMAC; /* Peripheral Clock Enable Register */
rbfdt[RBF_FRAMEMAX - 1].addr |= RBF_WRAP;
rbfp = &rbfdt[0];
- at91rm92000_GetPhyInterface ();
+ p_mac->EMAC_SA2L = (bd->bi_enetaddr[3] << 24) | (bd->bi_enetaddr[2] << 16)
+ | (bd->bi_enetaddr[1] << 8) | (bd->bi_enetaddr[0]);
+ p_mac->EMAC_SA2H = (bd->bi_enetaddr[5] << 8) | (bd->bi_enetaddr[4]);
+
+ p_mac->EMAC_RBQP = (long) (&rbfdt[0]);
+ p_mac->EMAC_RSR &= ~(AT91C_EMAC_RSR_OVR | AT91C_EMAC_REC | AT91C_EMAC_BNA);
+
+ p_mac->EMAC_CFG = (p_mac->EMAC_CFG | AT91C_EMAC_CAF | AT91C_EMAC_NBC)
+ & ~AT91C_EMAC_CLK;
+
+#ifdef CONFIG_AT91C_USE_RMII
+ p_mac->EMAC_CFG |= AT91C_EMAC_RMII;
+#endif
+
+ p_mac->EMAC_CTL |= AT91C_EMAC_TE | AT91C_EMAC_RE;
+
+ at91rm92000_GetPhyInterface (& PhyOps);
- if (!pPhyOps->IsPhyConnected (p_mac))
+ if (!PhyOps.IsPhyConnected (p_mac))
printf ("PHY not connected!!\n\r");
/* MII management start from here */
if (!(p_mac->EMAC_SR & AT91C_EMAC_LINK)) {
- if (!(ret = pPhyOps->Init (p_mac))) {
+ if (!(ret = PhyOps.Init (p_mac))) {
printf ("MAC: error during MII initialization\n");
return 0;
}
return 0;
}
- p_mac->EMAC_SA2L = (bd->bi_enetaddr[3] << 24) | (bd->bi_enetaddr[2] << 16)
- | (bd->bi_enetaddr[1] << 8) | (bd->bi_enetaddr[0]);
- p_mac->EMAC_SA2H = (bd->bi_enetaddr[5] << 8) | (bd->bi_enetaddr[4]);
-
- p_mac->EMAC_RBQP = (long) (&rbfdt[0]);
- p_mac->EMAC_RSR &= ~(AT91C_EMAC_RSR_OVR | AT91C_EMAC_REC | AT91C_EMAC_BNA);
- p_mac->EMAC_CFG = (p_mac->EMAC_CFG | AT91C_EMAC_CAF | AT91C_EMAC_NBC | AT91C_EMAC_RMII)
- & ~AT91C_EMAC_CLK;
- p_mac->EMAC_CTL |= AT91C_EMAC_TE | AT91C_EMAC_RE;
-
return 0;
}
void eth_halt (void)
{
};
+
+#if (CONFIG_COMMANDS & CFG_CMD_MII)
+int miiphy_read(unsigned char addr, unsigned char reg, unsigned short * value)
+{
+ at91rm9200_EmacEnableMDIO (p_mac);
+ at91rm9200_EmacReadPhy (p_mac, reg, value);
+ at91rm9200_EmacDisableMDIO (p_mac);
+ return 0;
+}
+
+int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value)
+{
+ at91rm9200_EmacEnableMDIO (p_mac);
+ at91rm9200_EmacWritePhy (p_mac, reg, &value);
+ at91rm9200_EmacDisableMDIO (p_mac);
+ return 0;
+}
+#endif /* CONFIG_COMMANDS & CFG_CMD_MII */
+
#endif /* CONFIG_COMMANDS & CFG_CMD_NET */
+
#endif /* CONFIG_DRIVER_ETHER */
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