diff options
Diffstat (limited to 'cpu/arm920t/at91rm9200/dm9161.c')
| -rw-r--r-- | cpu/arm920t/at91rm9200/dm9161.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/cpu/arm920t/at91rm9200/dm9161.c b/cpu/arm920t/at91rm9200/dm9161.c deleted file mode 100644 index 6d4384f..0000000 --- a/cpu/arm920t/at91rm9200/dm9161.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * (C) Copyright 2003 - * Author : Hamid Ikdoumi (Atmel) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <at91rm9200_net.h> -#include <net.h> -#ifdef CONFIG_DRIVER_ETHER -#include <dm9161.h> - -#if defined(CONFIG_CMD_NET) - -/* - * 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 - */ -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 - */ -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_TX_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 - */ -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); - /* set 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 - */ -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; - value &= ~DM9161_ISOLATE; - 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; -} - -#endif - -#endif /* CONFIG_DRIVER_ETHER */ |