+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.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
*/
#include <common.h>
#include <asm/fec.h>
#endif
#include <asm/immap.h>
+#include <linux/mii.h>
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
+#if defined(CONFIG_CMD_NET)
#undef MII_DEBUG
#undef ET_DEBUG
# define CONFIG_SYS_UNSPEC_STRID 0
#endif
-#ifdef CONFIG_MCF547x_8x
-typedef struct fec_info_dma FEC_INFO_T;
-#define FEC_T fecdma_t
-#else
-typedef struct fec_info_s FEC_INFO_T;
-#define FEC_T fec_t
-#endif
-
typedef struct phy_info_struct {
u32 phyid;
char *strid;
* mii_init -- Initialize the MII for MII command without ethernet
* This function is a subset of eth_init
*/
-void mii_reset(FEC_INFO_T *info)
+void mii_reset(fec_info_t *info)
{
volatile FEC_T *fecp = (FEC_T *) (info->miibase);
int i;
/* send command to phy using mii, wait for result */
uint mii_send(uint mii_cmd)
{
- FEC_INFO_T *info;
- volatile FEC_T *ep;
+#ifdef CONFIG_DM_ETH
+ struct udevice *dev;
+#else
struct eth_device *dev;
+#endif
+ fec_info_t *info;
+ volatile FEC_T *ep;
uint mii_reply;
int j = 0;
ep->mmfr = mii_cmd; /* command to phy */
/* wait for mii complete */
- while (!(ep->eir & FEC_EIR_MII) && (j < MCFFEC_TOUT_LOOP)) {
+ while (!(ep->eir & FEC_EIR_MII) && (j < info->to_loop)) {
udelay(1);
j++;
}
- if (j >= MCFFEC_TOUT_LOOP) {
+ if (j >= info->to_loop) {
printf("MII not complete\n");
return -1;
}
#endif /* CONFIG_SYS_DISCOVER_PHY || (CONFIG_MII) */
#if defined(CONFIG_SYS_DISCOVER_PHY)
-int mii_discover_phy(struct eth_device *dev)
+int mii_discover_phy(fec_info_t *info)
{
#define MAX_PHY_PASSES 11
- FEC_INFO_T *info = dev->priv;
int phyaddr, pass;
uint phyno, phytype;
int i, found = 0;
for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) {
- phytype = mii_send(mk_mii_read(phyno, PHY_PHYIDR1));
+ phytype = mii_send(mk_mii_read(phyno, MII_PHYSID1));
#ifdef ET_DEBUG
- printf("PHY type 0x%x pass %d type\n", phytype, pass);
+ printf("PHY type 0x%x pass %d\n", phytype, pass);
#endif
- if (phytype != 0xffff) {
- phyaddr = phyno;
- phytype <<= 16;
- phytype |=
- mii_send(mk_mii_read(phyno, PHY_PHYIDR2));
+ if (phytype == 0xffff)
+ continue;
+ phyaddr = phyno;
+ phytype <<= 16;
+ phytype |=
+ mii_send(mk_mii_read(phyno, MII_PHYSID2));
#ifdef ET_DEBUG
- printf("PHY @ 0x%x pass %d\n", phyno, pass);
+ printf("PHY @ 0x%x pass %d\n", phyno, pass);
#endif
- for (i = 0; i < (sizeof(phyinfo) / sizeof(phy_info_t)); i++) {
- if (phyinfo[i].phyid == phytype) {
+ for (i = 0; (i < ARRAY_SIZE(phyinfo))
+ && (phyinfo[i].phyid != 0); i++) {
+ if (phyinfo[i].phyid == phytype) {
#ifdef ET_DEBUG
- printf("phyid %x - %s\n",
- phyinfo[i].phyid,
- phyinfo[i].strid);
+ printf("phyid %x - %s\n",
+ phyinfo[i].phyid,
+ phyinfo[i].strid);
#endif
- strcpy(info->phy_name, phyinfo[i].strid);
- info->phyname_init = 1;
- found = 1;
- break;
- }
+ strcpy(info->phy_name, phyinfo[i].strid);
+ info->phyname_init = 1;
+ found = 1;
+ break;
}
+ }
- if (!found) {
+ if (!found) {
#ifdef ET_DEBUG
- printf("0x%08x\n", phytype);
+ printf("0x%08x\n", phytype);
#endif
- strcpy(info->phy_name, "unknown");
- info->phyname_init = 1;
- break;
- }
+ strcpy(info->phy_name, "unknown");
+ info->phyname_init = 1;
+ break;
}
}
}
void __mii_init(void)
{
- FEC_INFO_T *info;
- volatile FEC_T *fecp;
+#ifdef CONFIG_DM_ETH
+ struct udevice *dev;
+#else
struct eth_device *dev;
+#endif
+ fec_info_t *info;
+ volatile FEC_T *fecp;
int miispd = 0, i = 0;
- u16 autoneg = 0;
+ u16 status = 0;
+ u16 linkgood = 0;
/* retrieve from register structure */
dev = eth_get_dev();
fecp = (FEC_T *) info->miibase;
- fecpin_setclear(dev, 1);
+ fecpin_setclear(info, 1);
mii_reset(info);
miispd = (gd->bus_clk / 1000000) / 5;
fecp->mscr = miispd << 1;
- info->phy_addr = mii_discover_phy(dev);
+#ifdef CONFIG_SYS_DISCOVER_PHY
+ info->phy_addr = mii_discover_phy(info);
+#endif
+ if (info->phy_addr == -1)
+ return;
-#define AUTONEGLINK (PHY_BMSR_AUTN_COMP | PHY_BMSR_LS)
- while (i < MCFFEC_TOUT_LOOP) {
- autoneg = 0;
- miiphy_read(dev->name, info->phy_addr, PHY_BMSR, &autoneg);
+ while (i < info->to_loop) {
+ status = 0;
i++;
-
- if ((autoneg & AUTONEGLINK) == AUTONEGLINK)
+ /* Read PHY control register */
+ miiphy_read(dev->name, info->phy_addr, MII_BMCR, &status);
+
+ /* If phy set to autonegotiate, wait for autonegotiation done,
+ * if phy is not autonegotiating, just wait for link up.
+ */
+ if ((status & BMCR_ANENABLE) == BMCR_ANENABLE) {
+ linkgood = (BMSR_ANEGCOMPLETE | BMSR_LSTATUS);
+ } else {
+ linkgood = BMSR_LSTATUS;
+ }
+ /* Read PHY status register */
+ miiphy_read(dev->name, info->phy_addr, MII_BMSR, &status);
+ if ((status & linkgood) == linkgood)
break;
- udelay(500);
- }
- if (i >= MCFFEC_TOUT_LOOP) {
- printf("Auto Negotiation not complete\n");
+ udelay(1);
}
+ if (i >= info->to_loop)
+ printf("Link UP timeout\n");
- /* adapt to the half/full speed settings */
+ /* adapt to the duplex and speed settings of the phy */
info->dup_spd = miiphy_duplex(dev->name, info->phy_addr) << 16;
info->dup_spd |= miiphy_speed(dev->name, info->phy_addr);
}
* Otherwise they hang in mii_send() !!! Sorry!
*/
-int mcffec_miiphy_read(char *devname, unsigned char addr, unsigned char reg,
- unsigned short *value)
+int mcffec_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg)
{
short rdreg; /* register working value */
#endif
rdreg = mii_send(mk_mii_read(addr, reg));
- *value = rdreg;
-
#ifdef MII_DEBUG
- printf("0x%04x\n", *value);
+ printf("0x%04x\n", rdreg);
#endif
- return 0;
+ return rdreg;
}
-int mcffec_miiphy_write(char *devname, unsigned char addr, unsigned char reg,
- unsigned short value)
+int mcffec_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg,
+ u16 value)
{
- short rdreg; /* register working value */
-
#ifdef MII_DEBUG
- printf("miiphy_write(0x%x) @ 0x%x = ", reg, addr);
+ printf("miiphy_write(0x%x) @ 0x%x = 0x%04x\n", reg, addr, value);
#endif
- rdreg = mii_send(mk_mii_write(addr, reg, value));
-
-#ifdef MII_DEBUG
- printf("0x%04x\n", value);
-#endif
+ mii_send(mk_mii_write(addr, reg, value));
return 0;
}
-#endif /* CONFIG_CMD_NET, FEC_ENET & NET_MULTI */
+#endif /* CONFIG_CMD_NET */
projects / oweals / u-boot.git / blobdiff