+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2009 BuS Elektronik GmbH & Co. KG
* Jens Scharsig (esw@bus-elektronik.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 <common.h>
+#include <log.h>
#include <asm/io.h>
-#ifndef CONFIG_AT91_LEGACY
#include <asm/arch/hardware.h>
#include <asm/arch/at91_emac.h>
-#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
#include <asm/arch/at91_pio.h>
-#else
-/* remove next 5 lines, if all RM9200 boards convert to at91 arch */
-#include <asm/arch-at91/at91rm9200.h>
-#include <asm/arch-at91/hardware.h>
-#include <asm/arch-at91/at91_emac.h>
-#include <asm/arch-at91/at91_pmc.h>
-#include <asm/arch-at91/at91_pio.h>
-#endif
#include <net.h>
#include <netdev.h>
#include <malloc.h>
#include <miiphy.h>
+#include <linux/delay.h>
#include <linux/mii.h>
#undef MII_DEBUG
#endif
#ifdef ET_DEBUG
-#define DEBUG_AT91EMAC(...) printf(__VA_ARGS__);
+#define DEBUG_AT91EMAC 1
#else
-#define DEBUG_AT91EMAC(...)
+#define DEBUG_AT91EMAC 0
#endif
#ifdef MII_DEBUG
-#define DEBUG_AT91PHY(...) printf(__VA_ARGS__);
+#define DEBUG_AT91PHY 1
#else
-#define DEBUG_AT91PHY(...)
+#define DEBUG_AT91PHY 0
#endif
#ifndef CONFIG_DRIVER_AT91EMAC_QUIET
-#define VERBOSEP(...) printf(__VA_ARGS__);
+#define VERBOSEP 1
#else
-#define VERBOSEP(...)
+#define VERBOSEP 0
#endif
#define RBF_ADDR 0xfffffffc
do {
netstat = readl(&at91mac->sr);
- DEBUG_AT91PHY("poll SR %08lx\n", netstat);
+ debug_cond(DEBUG_AT91PHY, "poll SR %08lx\n", netstat);
} while (!(netstat & AT91_EMAC_SR_IDLE));
*value = readl(&at91mac->man) & AT91_EMAC_MAN_DATA_MASK;
at91emac_DisableMDIO(at91mac);
- DEBUG_AT91PHY("AT91PHY read %x REG(%d)=%x\n", at91mac, reg, *value)
+ debug_cond(DEBUG_AT91PHY,
+ "AT91PHY read %p REG(%d)=%x\n", at91mac, reg, *value);
return 0;
}
unsigned char reg, unsigned short value)
{
unsigned long netstat;
- DEBUG_AT91PHY("AT91PHY write %x REG(%d)=%x\n", at91mac, reg, &value)
+ debug_cond(DEBUG_AT91PHY,
+ "AT91PHY write %p REG(%d)=%p\n", at91mac, reg, &value);
at91emac_EnableMDIO(at91mac);
do {
netstat = readl(&at91mac->sr);
- DEBUG_AT91PHY("poll SR %08lx\n", netstat);
+ debug_cond(DEBUG_AT91PHY, "poll SR %08lx\n", netstat);
} while (!(netstat & AT91_EMAC_SR_IDLE));
at91emac_DisableMDIO(at91mac);
return (at91_emac_t *) netdev->iobase;
}
-int at91emac_mii_read(const char *devname, unsigned char addr,
- unsigned char reg, unsigned short *value)
+int at91emac_mii_read(struct mii_dev *bus, int addr, int devad, int reg)
{
+ unsigned short value = 0;
at91_emac_t *emac;
- emac = get_emacbase_by_name(devname);
- at91emac_read(emac , addr, reg, value);
- return 0;
+ emac = get_emacbase_by_name(bus->name);
+ at91emac_read(emac , addr, reg, &value);
+ return value;
}
-int at91emac_mii_write(const char *devname, unsigned char addr,
- unsigned char reg, unsigned short value)
+int at91emac_mii_write(struct mii_dev *bus, int addr, int devad, int reg,
+ u16 value)
{
at91_emac_t *emac;
- emac = get_emacbase_by_name(devname);
+ emac = get_emacbase_by_name(bus->name);
at91emac_write(emac, addr, reg, value);
return 0;
}
adv = ADVERTISE_CSMA | ADVERTISE_ALL;
at91emac_write(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
MII_ADVERTISE, adv);
- VERBOSEP("%s: Starting autonegotiation...\n", netdev->name);
+ debug_cond(VERBOSEP, "%s: Starting autonegotiation...\n", netdev->name);
at91emac_write(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR, MII_BMCR,
(BMCR_ANENABLE | BMCR_ANRESTART));
}
if (status & BMSR_ANEGCOMPLETE) {
- VERBOSEP("%s: Autonegotiation complete\n", netdev->name);
+ debug_cond(VERBOSEP,
+ "%s: Autonegotiation complete\n", netdev->name);
} else {
printf("%s: Autonegotiation timed out (status=0x%04x)\n",
netdev->name, status);
}
}
if (!(status & BMSR_LSTATUS)) {
- VERBOSEP("%s: link down\n", netdev->name);
+ debug_cond(VERBOSEP, "%s: link down\n", netdev->name);
return -3;
} else {
at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)
? 1 : 0);
duplex = (media & ADVERTISE_FULL) ? 1 : 0;
- VERBOSEP("%s: link up, %sMbps %s-duplex\n",
+ debug_cond(VERBOSEP, "%s: link up, %sMbps %s-duplex\n",
netdev->name,
speed ? "100" : "10",
duplex ? "full" : "half");
emac_device *dev;
at91_emac_t *emac;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
emac = (at91_emac_t *) netdev->iobase;
dev = (emac_device *) netdev->priv;
ATMEL_PMX_AA_ETXEN | ATMEL_PMX_AA_EREFCK;
writel(value, &pio->pioa.pdr);
- writel(value, &pio->pioa.asr);
+ writel(value, &pio->pioa.mux.pio2.asr);
#ifdef CONFIG_RMII
value = ATMEL_PMX_BA_ERXCK;
ATMEL_PMX_BA_ETX3 | ATMEL_PMX_BA_ETX2;
#endif
writel(value, &pio->piob.pdr);
- writel(value, &pio->piob.bsr);
+ writel(value, &pio->piob.mux.pio2.bsr);
+
+ at91_periph_clk_enable(ATMEL_ID_EMAC);
- writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
writel(readl(&emac->ctl) | AT91_EMAC_CTL_CSR, &emac->ctl);
/* Init Ethernet buffers */
for (i = 0; i < RBF_FRAMEMAX; i++) {
- dev->rbfdt[i].addr = (unsigned long) NetRxPackets[i];
+ dev->rbfdt[i].addr = (unsigned long) net_rx_packets[i];
dev->rbfdt[i].size = 0;
}
dev->rbfdt[RBF_FRAMEMAX - 1].addr |= RBF_WRAP;
emac = (at91_emac_t *) netdev->iobase;
writel(readl(&emac->ctl) & ~(AT91_EMAC_CTL_TE | AT91_EMAC_CTL_RE),
&emac->ctl);
- DEBUG_AT91EMAC("halt MAC\n");
+ debug_cond(DEBUG_AT91EMAC, "halt MAC\n");
}
-static int at91emac_send(struct eth_device *netdev, volatile void *packet,
- int length)
+static int at91emac_send(struct eth_device *netdev, void *packet, int length)
{
at91_emac_t *emac;
writel(AT91_EMAC_TCR_LEN(length), &emac->tcr);
while (AT91_EMAC_TCR_LEN(readl(&emac->tcr)))
;
- DEBUG_AT91EMAC("Send %d \n", length);
+ debug_cond(DEBUG_AT91EMAC, "Send %d\n", length);
writel(readl(&emac->tsr) | AT91_EMAC_TSR_COMP, &emac->tsr);
return 0;
}
rbfp = &dev->rbfdt[dev->rbindex];
while (rbfp->addr & RBF_OWNER) {
size = rbfp->size & RBF_SIZE;
- NetReceive(NetRxPackets[dev->rbindex], size);
+ net_process_received_packet(net_rx_packets[dev->rbindex], size);
- DEBUG_AT91EMAC("Recv[%d]: %d bytes @ %x \n",
+ debug_cond(DEBUG_AT91EMAC, "Recv[%ld]: %d bytes @ %lx\n",
dev->rbindex, size, rbfp->addr);
rbfp->addr &= ~RBF_OWNER;
static int at91emac_write_hwaddr(struct eth_device *netdev)
{
- emac_device *dev;
at91_emac_t *emac;
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
emac = (at91_emac_t *) netdev->iobase;
- dev = (emac_device *) netdev->priv;
- writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
- DEBUG_AT91EMAC("init MAC-ADDR %02x:%02x:%02x:%02x:%02x:%02x\n",
+ at91_periph_clk_enable(ATMEL_ID_EMAC);
+
+ debug_cond(DEBUG_AT91EMAC,
+ "init MAC-ADDR %02x:%02x:%02x:%02x:%02x:%02x\n",
netdev->enetaddr[5], netdev->enetaddr[4], netdev->enetaddr[3],
netdev->enetaddr[2], netdev->enetaddr[1], netdev->enetaddr[0]);
writel( (netdev->enetaddr[0] | netdev->enetaddr[1] << 8 |
netdev->enetaddr[2] << 16 | netdev->enetaddr[3] << 24),
&emac->sa2l);
writel((netdev->enetaddr[4] | netdev->enetaddr[5] << 8), &emac->sa2h);
- DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
+ debug_cond(DEBUG_AT91EMAC, "init MAC-ADDR %x%x\n",
readl(&emac->sa2h), readl(&emac->sa2l));
return 0;
}
memset(emacfix, 0, sizeof(emac_device));
memset(dev, 0, sizeof(*dev));
- sprintf(dev->name, "emac");
+ strcpy(dev->name, "emac");
dev->iobase = iobase;
dev->priv = emacfix;
dev->init = at91emac_init;
eth_register(dev);
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
- miiphy_register(dev->name, at91emac_mii_read, at91emac_mii_write);
+ int retval;
+ struct mii_dev *mdiodev = mdio_alloc();
+ if (!mdiodev)
+ return -ENOMEM;
+ strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+ mdiodev->read = at91emac_mii_read;
+ mdiodev->write = at91emac_mii_write;
+
+ retval = mdio_register(mdiodev);
+ if (retval < 0)
+ return retval;
#endif
return 1;
}
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