+// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright 2009-2010 Freescale Semiconductor, Inc.
+ * Copyright 2009-2010, 2013 Freescale Semiconductor, Inc.
* Jun-jie Zhang <b18070@freescale.com>
* Mingkai Hu <Mingkai.hu@freescale.com>
- *
- * 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 <miiphy.h>
#include <phy.h>
#include <fsl_mdio.h>
#include <asm/io.h>
-#include <asm/errno.h>
-#include <asm/fsl_enet.h>
+#include <linux/errno.h>
+
+#ifdef CONFIG_DM_MDIO
+struct tsec_mdio_priv {
+ struct tsec_mii_mng __iomem *regs;
+};
+#endif
-void tsec_local_mdio_write(struct tsec_mii_mng *phyregs, int port_addr,
+void tsec_local_mdio_write(struct tsec_mii_mng __iomem *phyregs, int port_addr,
int dev_addr, int regnum, int value)
{
int timeout = 1000000;
out_be32(&phyregs->miimadd, (port_addr << 8) | (regnum & 0x1f));
out_be32(&phyregs->miimcon, value);
- asm("sync");
+ /* Memory barrier */
+ mb();
while ((in_be32(&phyregs->miimind) & MIIMIND_BUSY) && timeout--)
;
}
-int tsec_local_mdio_read(struct tsec_mii_mng *phyregs, int port_addr,
+int tsec_local_mdio_read(struct tsec_mii_mng __iomem *phyregs, int port_addr,
int dev_addr, int regnum)
{
int value;
int timeout = 1000000;
- /* Put the address of the phy, and the register
- * number into MIIMADD */
+ /* Put the address of the phy, and the register number into MIIMADD */
out_be32(&phyregs->miimadd, (port_addr << 8) | (regnum & 0x1f));
/* Clear the command register, and wait */
out_be32(&phyregs->miimcom, 0);
- asm("sync");
+ /* Memory barrier */
+ mb();
/* Initiate a read command, and wait */
out_be32(&phyregs->miimcom, MIIMCOM_READ_CYCLE);
- asm("sync");
+ /* Memory barrier */
+ mb();
/* Wait for the the indication that the read is done */
while ((in_be32(&phyregs->miimind) & (MIIMIND_NOTVALID | MIIMIND_BUSY))
return value;
}
+#if defined(CONFIG_PHYLIB)
static int fsl_pq_mdio_reset(struct mii_dev *bus)
{
- struct tsec_mii_mng *regs = bus->priv;
+ struct tsec_mii_mng __iomem *regs;
+#ifndef CONFIG_DM_MDIO
+ regs = (struct tsec_mii_mng __iomem *)bus->priv;
+#else
+ struct tsec_mdio_priv *priv;
+
+ if (!bus->priv)
+ return -EINVAL;
+
+ priv = dev_get_priv(bus->priv);
+ regs = priv->regs;
+#endif
/* Reset MII (due to new addresses) */
out_be32(®s->miimcfg, MIIMCFG_RESET_MGMT);
return 0;
}
+#endif
int tsec_phy_read(struct mii_dev *bus, int addr, int dev_addr, int regnum)
{
- struct tsec_mii_mng *phyregs = bus->priv;
+ struct tsec_mii_mng __iomem *phyregs;
+#ifndef CONFIG_DM_MDIO
+ phyregs = (struct tsec_mii_mng __iomem *)bus->priv;
+#else
+ struct tsec_mdio_priv *priv;
+
+ if (!bus->priv)
+ return -EINVAL;
+
+ priv = dev_get_priv(bus->priv);
+ phyregs = priv->regs;
+#endif
return tsec_local_mdio_read(phyregs, addr, dev_addr, regnum);
}
int tsec_phy_write(struct mii_dev *bus, int addr, int dev_addr, int regnum,
u16 value)
{
- struct tsec_mii_mng *phyregs = bus->priv;
+ struct tsec_mii_mng __iomem *phyregs;
+#ifndef CONFIG_DM_MDIO
+ phyregs = (struct tsec_mii_mng __iomem *)bus->priv;
+#else
+ struct tsec_mdio_priv *priv;
+
+ if (!bus->priv)
+ return -EINVAL;
+
+ priv = dev_get_priv(bus->priv);
+ phyregs = priv->regs;
+#endif
tsec_local_mdio_write(phyregs, addr, dev_addr, regnum, value);
return 0;
}
+#ifndef CONFIG_DM_MDIO
int fsl_pq_mdio_init(bd_t *bis, struct fsl_pq_mdio_info *info)
{
struct mii_dev *bus = mdio_alloc();
bus->read = tsec_phy_read;
bus->write = tsec_phy_write;
bus->reset = fsl_pq_mdio_reset;
- sprintf(bus->name, info->name);
+ strcpy(bus->name, info->name);
- bus->priv = info->regs;
+ bus->priv = (void *)info->regs;
return mdio_register(bus);
}
+#else /* CONFIG_DM_MDIO */
+#if defined(CONFIG_PHYLIB)
+static int tsec_mdio_read(struct udevice *dev, int addr, int devad, int reg)
+{
+ struct mdio_perdev_priv *pdata = (dev) ? dev_get_uclass_priv(dev) :
+ NULL;
+
+ if (pdata && pdata->mii_bus)
+ return tsec_phy_read(pdata->mii_bus, addr, devad, reg);
+
+ return -1;
+}
+
+static int tsec_mdio_write(struct udevice *dev, int addr, int devad, int reg,
+ u16 val)
+{
+ struct mdio_perdev_priv *pdata = (dev) ? dev_get_uclass_priv(dev) :
+ NULL;
+
+ if (pdata && pdata->mii_bus)
+ return tsec_phy_write(pdata->mii_bus, addr, devad, reg, val);
+
+ return -1;
+}
+
+static int tsec_mdio_reset(struct udevice *dev)
+{
+ struct mdio_perdev_priv *pdata = (dev) ? dev_get_uclass_priv(dev) :
+ NULL;
+
+ if (pdata && pdata->mii_bus)
+ return fsl_pq_mdio_reset(pdata->mii_bus);
+
+ return -1;
+}
+
+static const struct mdio_ops tsec_mdio_ops = {
+ .read = tsec_mdio_read,
+ .write = tsec_mdio_write,
+ .reset = tsec_mdio_reset,
+};
+
+static const struct udevice_id tsec_mdio_ids[] = {
+ { .compatible = "fsl,gianfar-tbi" },
+ { .compatible = "fsl,gianfar-mdio" },
+ { .compatible = "fsl,etsec2-tbi" },
+ { .compatible = "fsl,etsec2-mdio" },
+ { .compatible = "fsl,fman-mdio" },
+ {}
+};
+
+static int tsec_mdio_probe(struct udevice *dev)
+{
+ struct tsec_mdio_priv *priv = (dev) ? dev_get_priv(dev) : NULL;
+ struct mdio_perdev_priv *pdata = (dev) ? dev_get_uclass_priv(dev) :
+ NULL;
+
+ if (!dev) {
+ printf("%s dev = NULL\n", __func__);
+ return -1;
+ }
+ if (!priv) {
+ printf("dev_get_priv(dev %p) = NULL\n", dev);
+ return -1;
+ }
+ priv->regs = (void *)(uintptr_t)dev_read_addr(dev);
+ debug("%s priv %p @ regs %p, pdata %p\n", __func__,
+ priv, priv->regs, pdata);
+
+ return 0;
+}
+
+static int tsec_mdio_remove(struct udevice *dev)
+{
+ return 0;
+}
+
+U_BOOT_DRIVER(tsec_mdio) = {
+ .name = "tsec_mdio",
+ .id = UCLASS_MDIO,
+ .of_match = tsec_mdio_ids,
+ .probe = tsec_mdio_probe,
+ .remove = tsec_mdio_remove,
+ .ops = &tsec_mdio_ops,
+ .priv_auto_alloc_size = sizeof(struct tsec_mdio_priv),
+ .platdata_auto_alloc_size = sizeof(struct mdio_perdev_priv),
+};
+#endif /* CONFIG_PHYLIB */
+#endif /* CONFIG_DM_MDIO */
projects / oweals / u-boot.git / blobdiff