diff options
Diffstat (limited to 'arch/arm/cpu/arm920t/at91rm9200/lxt972.c')
| -rw-r--r-- | arch/arm/cpu/arm920t/at91rm9200/lxt972.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/arch/arm/cpu/arm920t/at91rm9200/lxt972.c b/arch/arm/cpu/arm920t/at91rm9200/lxt972.c deleted file mode 100644 index f02cfddddd..0000000000 --- a/arch/arm/cpu/arm920t/at91rm9200/lxt972.c +++ /dev/null @@ -1,192 +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 - */ - -/* - * Adapted for KwikByte KB920x board: 22APR2005 - */ - -#include <common.h> -#include <at91rm9200_net.h> -#include <net.h> -#include <miiphy.h> -#include <lxt971a.h> - -#ifdef CONFIG_DRIVER_ETHER - -#if defined(CONFIG_CMD_NET) - -/* - * Name: - * lxt972_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 lxt972_IsPhyConnected (AT91PS_EMAC p_mac) -{ - unsigned short Id1, Id2; - - at91rm9200_EmacEnableMDIO (p_mac); - at91rm9200_EmacReadPhy(p_mac, MII_PHYSID1, &Id1); - at91rm9200_EmacReadPhy(p_mac, MII_PHYSID2, &Id2); - at91rm9200_EmacDisableMDIO (p_mac); - - if ((Id1 == (0x0013)) && ((Id2 & 0xFFF0) == 0x78E0)) - return TRUE; - - return FALSE; -} - -/* - * Name: - * lxt972_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 lxt972_GetLinkSpeed (AT91PS_EMAC p_mac) -{ - unsigned short stat1; - - if (!at91rm9200_EmacReadPhy (p_mac, PHY_LXT971_STAT2, &stat1)) - return FALSE; - - if (!(stat1 & PHY_LXT971_STAT2_LINK)) /* link status up? */ - return FALSE; - - if (stat1 & PHY_LXT971_STAT2_100BTX) { - - if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { - - /*set Emac for 100BaseTX and Full Duplex */ - p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; - } else { - - /*set Emac for 100BaseTX and Half Duplex */ - p_mac->EMAC_CFG = (p_mac->EMAC_CFG & - ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) - | AT91C_EMAC_SPD; - } - - return TRUE; - - } else { - - if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { - - /*set MII for 10BaseT and Full Duplex */ - p_mac->EMAC_CFG = (p_mac->EMAC_CFG & - ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) - | AT91C_EMAC_FD; - } else { - - /*set MII for 10BaseT and Half Duplex */ - p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD); - } - - return TRUE; - } - - return FALSE; -} - - -/* - * Name: - * lxt972_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 lxt972_InitPhy (AT91PS_EMAC p_mac) -{ - UCHAR ret = TRUE; - - at91rm9200_EmacEnableMDIO (p_mac); - - if (!lxt972_GetLinkSpeed (p_mac)) { - /* Try another time */ - ret = lxt972_GetLinkSpeed (p_mac); - } - - /* Disable PHY Interrupts */ - at91rm9200_EmacWritePhy (p_mac, PHY_LXT971_INT_ENABLE, 0); - - at91rm9200_EmacDisableMDIO (p_mac); - - return (ret); -} - - -/* - * Name: - * lxt972_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 lxt972_AutoNegotiate (AT91PS_EMAC p_mac, int *status) -{ - unsigned short value; - - /* Set lxt972 control register */ - if (!at91rm9200_EmacReadPhy (p_mac, MII_BMCR, &value)) - return FALSE; - - /* Restart Auto_negotiation */ - value |= BMCR_ANRESTART; - if (!at91rm9200_EmacWritePhy (p_mac, MII_BMCR, &value)) - return FALSE; - - /*check AutoNegotiate complete */ - udelay (10000); - at91rm9200_EmacReadPhy(p_mac, MII_BMSR, &value); - if (!(value & BMSR_ANEGCOMPLETE)) - return FALSE; - - return (lxt972_GetLinkSpeed (p_mac)); -} - -#endif - -#endif /* CONFIG_DRIVER_ETHER */ |
