* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* #define DEBUG */
debug("greth_init\n");
+ /* Reset core */
+ GRETH_REGSAVE(®s->control, (GRETH_RESET | (greth->gb << 8) |
+ (greth->sp << 7) | (greth->fd << 4)));
+
+ /* Wait for Reset to complete */
+ while ( GRETH_REGLOAD(®s->control) & GRETH_RESET) ;
+
+ GRETH_REGSAVE(®s->control,
+ ((greth->gb << 8) | (greth->sp << 7) | (greth->fd << 4)));
+
if (!greth->rxbd_base) {
/* allocate descriptors */
greth->rxbd_base = (greth_bd *)
memalign(0x1000, GRETH_RXBD_CNT * sizeof(greth_bd));
greth->txbd_base = (greth_bd *)
- memalign(0x1000, GRETH_RXBD_CNT * sizeof(greth_bd));
+ memalign(0x1000, GRETH_TXBD_CNT * sizeof(greth_bd));
/* allocate buffers to all descriptors */
greth->rxbuf_base =
for (i = 0; i < GRETH_TXBD_CNT; i++) {
greth->txbd_base[i].addr = 0;
/* enable desciptor & set wrap bit if last descriptor */
- if (i >= (GRETH_RXBD_CNT - 1)) {
+ if (i >= (GRETH_TXBD_CNT - 1)) {
greth->txbd_base[i].stat = GRETH_BD_WR;
} else {
greth->txbd_base[i].stat = 0;
}
}
-int greth_send(struct eth_device *dev, volatile void *eth_data, int data_length)
+int greth_send(struct eth_device *dev, void *eth_data, int data_length)
{
greth_priv *greth = dev->priv;
greth_regs *regs = greth->regs;
greth_regs *regs = greth->regs;
greth_bd *rxbd;
unsigned int status, len = 0, bad;
- unsigned char *d;
+ char *d;
int enable = 0;
int i;
goto done;
}
- debug("greth_recv: packet 0x%lx, 0x%lx, len: %d\n",
+ debug("greth_recv: packet 0x%x, 0x%x, len: %d\n",
(unsigned int)rxbd, status, status & GRETH_BD_LEN);
/* Check status for errors.
GRETH_REGORIN(®s->control, GRETH_RXEN);
}
done:
- /* return positive length of packet or 0 if non recieved */
+ /* return positive length of packet or 0 if non received */
return len;
}
greth->regs = (greth_regs *) apbdev.address;
greth->irq = apbdev.irq;
- debug("Found GRETH at 0x%lx, irq %d\n", greth->regs, greth->irq);
+ debug("Found GRETH at %p, irq %d\n", greth->regs, greth->irq);
dev->priv = (void *)greth;
dev->iobase = (unsigned int)greth->regs;
dev->init = greth_init;
/* Make descriptor string */
if (greth->gbit_mac) {
- sprintf(dev->name, "GRETH 10/100/GB");
+ sprintf(dev->name, "GRETH_10/100/GB");
} else {
- sprintf(dev->name, "GRETH 10/100");
+ sprintf(dev->name, "GRETH_10/100");
}
/* initiate PHY, select speed/duplex depending on connected PHY */
if (greth_init_phy(greth, bis)) {
/* Failed to init PHY (timedout) */
- debug("GRETH[0x%08x]: Failed to init PHY\n", greth->regs);
+ debug("GRETH[%p]: Failed to init PHY\n", greth->regs);
return -1;
}
/* set and remember MAC address */
greth_set_hwaddr(greth, addr);
- debug("GRETH[0x%08x]: Initialized successfully\n", greth->regs);
+ debug("GRETH[%p]: Initialized successfully\n", greth->regs);
return 0;
}