diff options
Diffstat (limited to 'cpu/arm920t/at91rm9200/ks8721.c')
| -rw-r--r-- | cpu/arm920t/at91rm9200/ks8721.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/cpu/arm920t/at91rm9200/ks8721.c b/cpu/arm920t/at91rm9200/ks8721.c deleted file mode 100644 index 9fe3793..0000000 --- a/cpu/arm920t/at91rm9200/ks8721.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * (C) Copyright 2006 - * Author : Eric Benard (Eukrea Electromatique) - * based on dm9161.c which is : - * (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> -#include <ks8721.h> - -#ifdef CONFIG_DRIVER_ETHER - -#if defined(CONFIG_CMD_NET) - -/* - * Name: - * ks8721_isphyconnected - * Description: - * Reads the 2 PHY ID registers - * Arguments: - * p_mac - pointer to AT91S_EMAC struct - * Return value: - * 1 - if id read successfully - * 0 - if error - */ -unsigned int ks8721_isphyconnected(AT91PS_EMAC p_mac) -{ - unsigned short id1, id2; - - at91rm9200_EmacEnableMDIO(p_mac); - at91rm9200_EmacReadPhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_PHYID1, &id1); - at91rm9200_EmacReadPhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_PHYID2, &id2); - at91rm9200_EmacDisableMDIO(p_mac); - - if ((id1 == (KS8721_PHYID_OUI >> 6)) && - ((id2 >> 10) == (KS8721_PHYID_OUI & KS8721_LSB_MASK))) { - if ((id2 & KS8721_MODELMASK) == KS8721BL_MODEL) - printf("Micrel KS8721bL PHY detected : "); - else - printf("Unknown Micrel PHY detected : "); - return 1; - } - return 0; -} - -/* - * Name: - * ks8721_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: - * 1 - if link status set succesfully - * 0 - if link status not set - */ -unsigned char ks8721_getlinkspeed(AT91PS_EMAC p_mac) -{ - unsigned short stat1; - - if (!at91rm9200_EmacReadPhy(p_mac, KS8721_BMSR, &stat1)) - return 0; - - if (!(stat1 & KS8721_LINK_STATUS)) { - /* link status up? */ - printf("Link Down !\n"); - return 0; - } - - if (stat1 & KS8721_100BASE_TX_FD) { - /* set Emac for 100BaseTX and Full Duplex */ - printf("100BT FD\n"); - p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; - return 1; - } - - if (stat1 & KS8721_10BASE_T_FD) { - /* set MII for 10BaseT and Full Duplex */ - printf("10BT FD\n"); - p_mac->EMAC_CFG = (p_mac->EMAC_CFG & - ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) - | AT91C_EMAC_FD; - return 1; - } - - if (stat1 & KS8721_100BASE_T4_HD) { - /* set MII for 100BaseTX and Half Duplex */ - printf("100BT HD\n"); - p_mac->EMAC_CFG = (p_mac->EMAC_CFG & - ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) - | AT91C_EMAC_SPD; - return 1; - } - - if (stat1 & KS8721_10BASE_T_HD) { - /* set MII for 10BaseT and Half Duplex */ - printf("10BT HD\n"); - p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD); - return 1; - } - return 0; -} - -/* - * Name: - * ks8721_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: - * 1 - if link status set succesfully - * 0 - if link status not set - */ -unsigned char ks8721_initphy(AT91PS_EMAC p_mac) -{ - unsigned char ret = 1; - unsigned short intvalue; - - at91rm9200_EmacEnableMDIO(p_mac); - - /* Try another time */ - if (!ks8721_getlinkspeed(p_mac)) - ret = ks8721_getlinkspeed(p_mac); - - /* Disable PHY Interrupts */ - intvalue = 0; - at91rm9200_EmacWritePhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_MDINTR, &intvalue); - at91rm9200_EmacDisableMDIO(p_mac); - - return ret; -} - -/* - * Name: - * ks8721_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: - * 1 - if link status set successfully - * 0 - if link status not set - */ -unsigned char ks8721_autonegotiate(AT91PS_EMAC p_mac, int *status) -{ - unsigned short value; - unsigned short phyanar; - unsigned short phyanalpar; - - /* Set ks8721 control register */ - if (!at91rm9200_EmacReadPhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_BMCR, &value)) - return 0; - - /* remove autonegotiation enable */ - value &= ~KS8721_AUTONEG; - /* Electrically isolate PHY */ - value |= KS8721_ISOLATE; - if (!at91rm9200_EmacWritePhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_BMCR, &value)) { - return 0; - } - /* - * Set the Auto_negotiation Advertisement Register - * MII advertising for Next page, 100BaseTxFD and HD, - * 10BaseTFD and HD, IEEE 802.3 - */ - phyanar = KS8721_NP | KS8721_TX_FDX | KS8721_TX_HDX | - KS8721_10_FDX | KS8721_10_HDX | KS8721_AN_IEEE_802_3; - if (!at91rm9200_EmacWritePhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_ANAR, &phyanar)) { - return 0; - } - /* Read the Control Register */ - if (!at91rm9200_EmacReadPhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_BMCR, &value)) { - return 0; - } - value |= KS8721_SPEED_SELECT | KS8721_AUTONEG | KS8721_DUPLEX_MODE; - if (!at91rm9200_EmacWritePhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_BMCR, &value)) { - return 0; - } - /* Restart Auto_negotiation */ - value |= KS8721_RESTART_AUTONEG; - value &= ~KS8721_ISOLATE; - if (!at91rm9200_EmacWritePhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_BMCR, &value)) { - return 0; - } - /* Check AutoNegotiate complete */ - udelay(10000); - at91rm9200_EmacReadPhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_BMSR, &value); - if (!(value & KS8721_AUTONEG_COMP)) - return 0; - - /* Get the AutoNeg Link partner base page */ - if (!at91rm9200_EmacReadPhy(p_mac, - CONFIG_PHY_ADDRESS | KS8721_ANLPAR, &phyanalpar)) { - return 0; - } - - if ((phyanar & KS8721_TX_FDX) && (phyanalpar & KS8721_TX_FDX)) { - /* Set MII for 100BaseTX and Full Duplex */ - p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; - return 1; - } - - if ((phyanar & KS8721_10_FDX) && (phyanalpar & KS8721_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 1; - } - return 0; -} - -#endif /* CONFIG_CMD_NET */ - -#endif /* CONFIG_DRIVER_ETHER */ |