* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.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/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>
#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
#define RBF_MULTICAST (1<<30)
#define RBF_UNICAST (1<<29)
#define RBF_EXTERNAL (1<<28)
-#define RBF_UNKOWN (1<<27)
+#define RBF_UNKNOWN (1<<27)
#define RBF_SIZE 0x07ff
#define RBF_LOCAL4 (1<<26)
#define RBF_LOCAL3 (1<<25)
int at91emac_read(at91_emac_t *at91mac, unsigned char addr,
unsigned char reg, unsigned short *value)
{
+ unsigned long netstat;
at91emac_EnableMDIO(at91mac);
writel(AT91_EMAC_MAN_HIGH | AT91_EMAC_MAN_RW_R |
AT91_EMAC_MAN_REGA(reg) | AT91_EMAC_MAN_CODE_802_3 |
AT91_EMAC_MAN_PHYA(addr),
&at91mac->man);
- udelay(10000);
+
+ do {
+ netstat = readl(&at91mac->sr);
+ 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;
}
int at91emac_write(at91_emac_t *at91mac, unsigned char addr,
unsigned char reg, unsigned short value)
{
- DEBUG_AT91PHY("AT91PHY write %x REG(%d)=%x\n", at91mac, reg, &value)
+ unsigned long netstat;
+ debug_cond(DEBUG_AT91PHY,
+ "AT91PHY write %p REG(%d)=%p\n", at91mac, reg, &value);
at91emac_EnableMDIO(at91mac);
AT91_EMAC_MAN_REGA(reg) | AT91_EMAC_MAN_CODE_802_3 |
AT91_EMAC_MAN_PHYA(addr) | (value & AT91_EMAC_MAN_DATA_MASK),
&at91mac->man);
- udelay(10000);
+
+ do {
+ netstat = readl(&at91mac->sr);
+ debug_cond(DEBUG_AT91PHY, "poll SR %08lx\n", netstat);
+ } while (!(netstat & AT91_EMAC_SR_IDLE));
at91emac_DisableMDIO(at91mac);
+
return 0;
}
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
-at91_emac_t *get_emacbase_by_name(char *devname)
+at91_emac_t *get_emacbase_by_name(const char *devname)
{
struct eth_device *netdev;
return (at91_emac_t *) netdev->iobase;
}
-int at91emac_mii_read(char *devname, unsigned char addr,
+int at91emac_mii_read(const char *devname, unsigned char addr,
unsigned char reg, unsigned short *value)
{
at91_emac_t *emac;
}
-int at91emac_mii_write(char *devname, unsigned char addr,
+int at91emac_mii_write(const char *devname, unsigned char addr,
unsigned char reg, unsigned short value)
{
at91_emac_t *emac;
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));
- for (i = 0; i < 100000 / 100; i++) {
+ for (i = 0; i < 30000; i++) {
at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
MII_BMSR, &status);
if (status & BMSR_ANEGCOMPLETE)
}
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);
- return 1;
+ return -1;
}
return 0;
}
MII_PHYSID1, &phy_id);
if (phy_id == 0xffff) {
printf("%s: No PHY present\n", netdev->name);
- return 1;
+ return -1;
}
at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
if (!(status & BMSR_LSTATUS)) {
/* Try to re-negotiate if we don't have link already. */
if (at91emac_phy_reset(netdev))
- return 2;
+ return -2;
for (i = 0; i < 100000 / 100; i++) {
at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
}
}
if (!(status & BMSR_LSTATUS)) {
- VERBOSEP("%s: link down\n", netdev->name);
- return 3;
+ debug_cond(VERBOSEP, "%s: link down\n", netdev->name);
+ return -3;
} else {
at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
MII_ADVERTISE, &adv);
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");
at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR, MII_BMSR, &stat1);
if (!(stat1 & BMSR_LSTATUS)) /* link status up? */
- return 1;
+ return -1;
if (stat1 & BMSR_100FULL) {
/*set Emac for 100BaseTX and Full Duplex */
&emac->cfg);
return 0;
}
- return 1;
+ return 0;
}
static int at91emac_init(struct eth_device *netdev, bd_t *bd)
u32 value;
emac_device *dev;
at91_emac_t *emac;
- at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
- at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+ 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;
/* PIO Disable Register */
- value = AT91_PMX_AA_EMDIO | AT91_PMX_AA_EMDC |
- AT91_PMX_AA_ERXER | AT91_PMX_AA_ERX1 |
- AT91_PMX_AA_ERX0 | AT91_PMX_AA_ECRS |
- AT91_PMX_AA_ETX1 | AT91_PMX_AA_ETX0 |
- AT91_PMX_AA_ETXEN | AT91_PMX_AA_EREFCK;
+ value = ATMEL_PMX_AA_EMDIO | ATMEL_PMX_AA_EMDC |
+ ATMEL_PMX_AA_ERXER | ATMEL_PMX_AA_ERX1 |
+ ATMEL_PMX_AA_ERX0 | ATMEL_PMX_AA_ECRS |
+ ATMEL_PMX_AA_ETX1 | ATMEL_PMX_AA_ETX0 |
+ ATMEL_PMX_AA_ETXEN | ATMEL_PMX_AA_EREFCK;
writel(value, &pio->pioa.pdr);
writel(value, &pio->pioa.asr);
#ifdef CONFIG_RMII
- value = AT91_PMX_BA_ERXCK;
+ value = ATMEL_PMX_BA_ERXCK;
#else
- value = AT91_PMX_BA_ERXCK | AT91_PMX_BA_ECOL |
- AT91_PMX_BA_ERXDV | AT91_PMX_BA_ERX3 |
- AT91_PMX_BA_ERX2 | AT91_PMX_BA_ETXER |
- AT91_PMX_BA_ETX3 | AT91_PMX_BA_ETX2;
+ value = ATMEL_PMX_BA_ERXCK | ATMEL_PMX_BA_ECOL |
+ ATMEL_PMX_BA_ERXDV | ATMEL_PMX_BA_ERX3 |
+ ATMEL_PMX_BA_ERX2 | ATMEL_PMX_BA_ETXER |
+ ATMEL_PMX_BA_ETX3 | ATMEL_PMX_BA_ETX2;
#endif
writel(value, &pio->piob.pdr);
writel(value, &pio->piob.bsr);
- writel(1 << AT91_ID_EMAC, &pmc->pcer);
+ writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
writel(readl(&emac->ctl) | AT91_EMAC_CTL_CSR, &emac->ctl);
/* Init Ethernet buffers */
at91emac_UpdateLinkSpeed(emac);
return 0;
}
- return 1;
+ return -1;
}
static void at91emac_halt(struct eth_device *netdev)
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;
}
size = rbfp->size & RBF_SIZE;
NetReceive(NetRxPackets[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 *) AT91_PMC_BASE;
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
emac = (at91_emac_t *) netdev->iobase;
- dev = (emac_device *) netdev->priv;
- writel(1 << AT91_ID_EMAC, &pmc->pcer);
- DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
- cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))),
- cpu_to_le32(*((u32 *)netdev->enetaddr)));
- writel(cpu_to_le32(*((u32 *)netdev->enetaddr)), &emac->sa2l);
- writel(cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))), &emac->sa2h);
- DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
+ writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+ 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_cond(DEBUG_AT91EMAC, "init MAC-ADDR %x%x\n",
readl(&emac->sa2h), readl(&emac->sa2l));
return 0;
}
struct eth_device *dev;
if (iobase == 0)
- iobase = AT91_EMAC_BASE;
+ iobase = ATMEL_BASE_EMAC;
emac = malloc(sizeof(*emac)+512);
if (emac == NULL)
- return 1;
+ return -1;
dev = malloc(sizeof(*dev));
if (dev == NULL) {
free(emac);
- return 1;
+ return -1;
}
/* alignment as per Errata (64 bytes) is insufficient! */
emacfix = (emac_device *) (((unsigned long) emac + 0x1ff) & 0xFFFFFE00);
memset(emacfix, 0, sizeof(emac_device));
memset(dev, 0, sizeof(*dev));
-#ifndef CONFIG_RMII
- sprintf(dev->name, "AT91 EMAC");
-#else
- sprintf(dev->name, "AT91 EMAC RMII");
-#endif
+ sprintf(dev->name, "emac");
dev->iobase = iobase;
dev->priv = emacfix;
dev->init = at91emac_init;
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