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-rw-r--r--cpu/arm920t/at91rm9200/bcm5221.c232
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diff --git a/cpu/arm920t/at91rm9200/bcm5221.c b/cpu/arm920t/at91rm9200/bcm5221.c
deleted file mode 100644
index 8de3cba..0000000
--- a/cpu/arm920t/at91rm9200/bcm5221.c
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@@ -1,232 +0,0 @@
-/*
- * Broadcom BCM5221 Ethernet PHY
- *
- * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de>
- * Anders Larsen <alarsen@rea.de>
- *
- * (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 <bcm5221.h>
-
-#if defined(CONFIG_CMD_NET)
-
-/*
- * Name:
- * bcm5221_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 bcm5221_IsPhyConnected (AT91PS_EMAC p_mac)
-{
- unsigned short Id1, Id2;
-
- at91rm9200_EmacEnableMDIO (p_mac);
- at91rm9200_EmacReadPhy (p_mac, BCM5221_PHYID1, &Id1);
- at91rm9200_EmacReadPhy (p_mac, BCM5221_PHYID2, &Id2);
- at91rm9200_EmacDisableMDIO (p_mac);
-
- if ((Id1 == (BCM5221_PHYID1_OUI >> 6)) &&
- ((Id2 >> 10) == (BCM5221_PHYID1_OUI & BCM5221_LSB_MASK)))
- return TRUE;
-
- return FALSE;
-}
-
-/*
- * Name:
- * bcm5221_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
- */
-unsigned char bcm5221_GetLinkSpeed (AT91PS_EMAC p_mac)
-{
- unsigned short stat1, stat2;
-
- if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMSR, &stat1))
- return FALSE;
-
- if (!(stat1 & BCM5221_LINK_STATUS)) /* link status up? */
- return FALSE;
-
- if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_ACSR, &stat2))
- return FALSE;
-
- if ((stat1 & BCM5221_100BASE_TX_FD) && (stat2 & BCM5221_100) && (stat2 & BCM5221_FDX)) {
- /*set Emac for 100BaseTX and Full Duplex */
- p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD;
- return TRUE;
- }
-
- if ((stat1 & BCM5221_10BASE_T_FD) && !(stat2 & BCM5221_100) && (stat2 & BCM5221_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;
- }
-
- if ((stat1 & BCM5221_100BASE_TX_HD) && (stat2 & BCM5221_100) && !(stat2 & BCM5221_FDX)) {
- /*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 & BCM5221_10BASE_T_HD) && !(stat2 & BCM5221_100) && !(stat2 & BCM5221_FDX)) {
- /*set MII for 10BaseT and Half Duplex */
- p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD);
- return TRUE;
- }
- return FALSE;
-}
-
-
-/*
- * Name:
- * bcm5221_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
- */
-unsigned char bcm5221_InitPhy (AT91PS_EMAC p_mac)
-{
- unsigned char ret = TRUE;
- unsigned short IntValue;
-
- at91rm9200_EmacEnableMDIO (p_mac);
-
- if (!bcm5221_GetLinkSpeed (p_mac)) {
- /* Try another time */
- ret = bcm5221_GetLinkSpeed (p_mac);
- }
-
- /* Disable PHY Interrupts */
- at91rm9200_EmacReadPhy (p_mac, BCM5221_INTR, &IntValue);
- /* clear FDX LED and INTR Enable */
- IntValue &= ~(BCM5221_FDX_LED | BCM5221_INTR_ENABLE);
- /* set FDX, SPD, Link, INTR masks */
- IntValue |= (BCM5221_FDX_MASK | BCM5221_SPD_MASK |
- BCM5221_LINK_MASK | BCM5221_INTR_MASK);
- at91rm9200_EmacWritePhy (p_mac, BCM5221_INTR, &IntValue);
- at91rm9200_EmacDisableMDIO (p_mac);
-
- return (ret);
-}
-
-
-/*
- * Name:
- * bcm5221_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
- */
-unsigned char bcm5221_AutoNegotiate (AT91PS_EMAC p_mac, int *status)
-{
- unsigned short value;
- unsigned short PhyAnar;
- unsigned short PhyAnalpar;
-
- /* Set bcm5221 control register */
- if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMCR, &value))
- return FALSE;
- value &= ~BCM5221_AUTONEG; /* remove autonegotiation enable */
- value |= BCM5221_ISOLATE; /* Electrically isolate PHY */
- if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value))
- return FALSE;
-
- /* Set the Auto_negotiation Advertisement Register */
- /* MII advertising for 100BaseTxFD and HD, 10BaseTFD and HD, IEEE 802.3 */
- PhyAnar = BCM5221_TX_FDX | BCM5221_TX_HDX |
- BCM5221_10_FDX | BCM5221_10_HDX | BCM5221_AN_IEEE_802_3;
- if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_ANAR, &PhyAnar))
- return FALSE;
-
- /* Read the Control Register */
- if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMCR, &value))
- return FALSE;
-
- value |= BCM5221_SPEED_SELECT | BCM5221_AUTONEG | BCM5221_DUPLEX_MODE;
- if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value))
- return FALSE;
- /* Restart Auto_negotiation */
- value |= BCM5221_RESTART_AUTONEG;
- value &= ~BCM5221_ISOLATE;
- if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value))
- return FALSE;
-
- /*check AutoNegotiate complete */
- udelay (10000);
- at91rm9200_EmacReadPhy (p_mac, BCM5221_BMSR, &value);
- if (!(value & BCM5221_AUTONEG_COMP))
- return FALSE;
-
- /* Get the AutoNeg Link partner base page */
- if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_ANLPAR, &PhyAnalpar))
- return FALSE;
-
- if ((PhyAnar & BCM5221_TX_FDX) && (PhyAnalpar & BCM5221_TX_FDX)) {
- /*set MII for 100BaseTX and Full Duplex */
- p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD;
- return TRUE;
- }
-
- if ((PhyAnar & BCM5221_10_FDX) && (PhyAnalpar & BCM5221_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 */
generated by cgit v1.1 at 2024-11-28 19:09:11 +0000