* Martin Krause, Martin.Krause@tqs.de
* reworked original enc28j60.c
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
* enc_miiphy_read(), enc_miiphy_write(), enc_write_hwaddr(),
* enc_init(), enc_recv(), enc_send(), enc_halt()
* ALL other functions assume that the bus has already been claimed!
- * Since NetReceive() might call enc_send() in return, the bus must be
- * released, NetReceive() called and claimed again.
+ * Since net_process_received_packet() might call enc_send() in return, the bus
+ * must be released, net_process_received_packet() called and claimed again.
*/
/*
/*
* Read PHY register
*/
-static u16 phy_read(enc_dev_t *enc, const u8 addr)
+static u16 enc_phy_read(enc_dev_t *enc, const u8 addr)
{
uint64_t etime;
u8 status;
/*
* Write PHY register
*/
-static void phy_write(enc_dev_t *enc, const u8 addr, const u16 data)
+static void enc_phy_write(enc_dev_t *enc, const u8 addr, const u16 data)
{
uint64_t etime;
u8 status;
#ifdef CONFIG_ENC_SILENTLINK
/* check if we have a link, then just return */
- status = phy_read(enc, PHY_REG_PHSTAT1);
+ status = enc_phy_read(enc, PHY_REG_PHSTAT1);
if (status & ENC_PHSTAT1_LLSTAT)
return 0;
#endif
/* wait for link with 1 second timeout */
etime = get_ticks() + get_tbclk();
while (get_ticks() <= etime) {
- status = phy_read(enc, PHY_REG_PHSTAT1);
+ status = enc_phy_read(enc, PHY_REG_PHSTAT1);
if (status & ENC_PHSTAT1_LLSTAT) {
/* now we have a link */
- status = phy_read(enc, PHY_REG_PHSTAT2);
+ status = enc_phy_read(enc, PHY_REG_PHSTAT2);
duplex = (status & ENC_PHSTAT2_DPXSTAT) ? 1 : 0;
printf("%s: link up, 10Mbps %s-duplex\n",
enc->dev->name, duplex ? "full" : "half");
udelay(1000);
}
- /* timeout occured */
+ /* timeout occurred */
printf("%s: link down\n", enc->dev->name);
return 1;
}
*/
static void enc_receive(enc_dev_t *enc)
{
- u8 *packet = (u8 *)NetRxPackets[0];
+ u8 *packet = (u8 *)net_rx_packets[0];
u16 pkt_len;
u16 copy_len;
u16 status;
- u8 eir_reg;
u8 pkt_cnt = 0;
u16 rxbuf_rdpt;
u8 hbuf[6];
/* read pktcnt */
pkt_cnt = enc_r8(enc, CTL_REG_EPKTCNT);
if (copy_len == 0) {
- eir_reg = enc_r8(enc, CTL_REG_EIR);
+ (void)enc_r8(enc, CTL_REG_EIR);
enc_reset_rx(enc);
printf("%s: receive copy_len=0\n", enc->dev->name);
continue;
}
/*
- * Because NetReceive() might call enc_send(), we need to
- * release the SPI bus, call NetReceive(), reclaim the bus
+ * Because net_process_received_packet() might call enc_send(),
+ * we need to release the SPI bus, call
+ * net_process_received_packet(), reclaim the bus.
*/
enc_release_bus(enc);
- NetReceive(packet, pkt_len);
+ net_process_received_packet(packet, pkt_len);
if (enc_claim_bus(enc))
return;
- eir_reg = enc_r8(enc, CTL_REG_EIR);
+ (void)enc_r8(enc, CTL_REG_EIR);
} while (pkt_cnt);
/* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */
}
static void enc_poll(enc_dev_t *enc)
{
u8 eir_reg;
- u8 estat_reg;
u8 pkt_cnt;
-#ifdef CONFIG_USE_IRQ
- /* clear global interrupt enable bit in enc28j60 */
- enc_bclr(enc, CTL_REG_EIE, ENC_EIE_INTIE);
-#endif
- estat_reg = enc_r8(enc, CTL_REG_ESTAT);
+ (void)enc_r8(enc, CTL_REG_ESTAT);
eir_reg = enc_r8(enc, CTL_REG_EIR);
if (eir_reg & ENC_EIR_TXIF) {
/* clear TXIF bit in EIR */
printf("%s: tx error\n", enc->dev->name);
enc_bclr(enc, CTL_REG_EIR, ENC_EIR_TXERIF);
}
-#ifdef CONFIG_USE_IRQ
- /* set global interrupt enable bit in enc28j60 */
- enc_bset(enc, CTL_REG_EIE, ENC_EIE_INTIE);
-#endif
}
/*
enc->bank = 0xff; /* invalidate current bank in enc28j60 */
/* verify PHY identification */
- phid1 = phy_read(enc, PHY_REG_PHID1);
- phid2 = phy_read(enc, PHY_REG_PHID2) & ENC_PHID2_MASK;
+ phid1 = enc_phy_read(enc, PHY_REG_PHID1);
+ phid2 = enc_phy_read(enc, PHY_REG_PHID2) & ENC_PHID2_MASK;
if (phid1 != ENC_PHID1_VALUE || phid2 != ENC_PHID2_VALUE) {
printf("%s: failed to identify PHY. Found %04x:%04x\n",
enc->dev->name, phid1, phid2);
* Prevent automatic loopback of data beeing transmitted by setting
* ENC_PHCON2_HDLDIS
*/
- phy_write(enc, PHY_REG_PHCON2, (1<<8));
+ enc_phy_write(enc, PHY_REG_PHCON2, (1<<8));
/*
* LEDs configuration
* LEDB: LBCFG = 0111 -> display TX & RX activity
* STRCH = 1 -> LED pulses
*/
- phy_write(enc, PHY_REG_PHLCON, 0x0472);
+ enc_phy_write(enc, PHY_REG_PHLCON, 0x0472);
/* Reset PDPXMD-bit => half duplex */
- phy_write(enc, PHY_REG_PHCON1, 0);
-
-#ifdef CONFIG_USE_IRQ
- /* enable interrupts */
- enc_bset(enc, CTL_REG_EIE, ENC_EIE_PKTIE);
- enc_bset(enc, CTL_REG_EIE, ENC_EIE_TXIE);
- enc_bset(enc, CTL_REG_EIE, ENC_EIE_RXERIE);
- enc_bset(enc, CTL_REG_EIE, ENC_EIE_TXERIE);
- enc_bset(enc, CTL_REG_EIE, ENC_EIE_INTIE);
-#endif
+ enc_phy_write(enc, PHY_REG_PHCON1, 0);
return 0;
}
*
* This function is registered with miiphy_register().
*/
-int enc_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value)
+int enc_miiphy_read(struct mii_dev *bus, int phy_adr, int devad, int reg)
{
- struct eth_device *dev = eth_get_dev_by_name(devname);
+ u16 value = 0;
+ struct eth_device *dev = eth_get_dev_by_name(bus->name);
enc_dev_t *enc;
if (!dev || phy_adr != 0)
enc_release_bus(enc);
return -1;
}
- *value = phy_read(enc, reg);
+ value = enc_phy_read(enc, reg);
enc_release_bus(enc);
- return 0;
+ return value;
}
/*
*
* This function is registered with miiphy_register().
*/
-int enc_miiphy_write(const char *devname, u8 phy_adr, u8 reg, u16 value)
+int enc_miiphy_write(struct mii_dev *bus, int phy_adr, int devad, int reg,
+ u16 value)
{
- struct eth_device *dev = eth_get_dev_by_name(devname);
+ struct eth_device *dev = eth_get_dev_by_name(bus->name);
enc_dev_t *enc;
if (!dev || phy_adr != 0)
enc_release_bus(enc);
return -1;
}
- phy_write(enc, reg, value);
+ enc_phy_write(enc, reg, value);
enc_release_bus(enc);
return 0;
}
*/
static int enc_send(
struct eth_device *dev,
- volatile void *packet,
+ void *packet,
int length)
{
enc_dev_t *enc = dev->priv;
sprintf(dev->name, "enc%i.%i", bus, cs);
eth_register(dev);
#if defined(CONFIG_CMD_MII)
- miiphy_register(dev->name, enc_miiphy_read, enc_miiphy_write);
+ int retval;
+ struct mii_dev *mdiodev = mdio_alloc();
+ if (!mdiodev)
+ return -ENOMEM;
+ strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+ mdiodev->read = enc_miiphy_read;
+ mdiodev->write = enc_miiphy_write;
+
+ retval = mdio_register(mdiodev);
+ if (retval < 0)
+ return retval;
#endif
return 0;
}
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