+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
*
* based on - Driver for MV64360X ethernet ports
* Copyright (C) 2002 rabeeh@galileo.co.il
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <net.h>
#include <malloc.h>
#include <miiphy.h>
+#include <wait_bit.h>
#include <asm/io.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
#include <asm/types.h>
#include <asm/system.h>
#include <asm/byteorder.h>
#include <asm/arch/soc.h>
#elif defined(CONFIG_ORION5X)
#include <asm/arch/orion5x.h>
-#elif defined(CONFIG_DOVE)
-#include <asm/arch/dove.h>
#endif
#include "mvgbe.h"
DECLARE_GLOBAL_DATA_PTR;
+#ifndef CONFIG_MVGBE_PORTS
+# define CONFIG_MVGBE_PORTS {0, 0}
+#endif
+
#define MV_PHY_ADR_REQUEST 0xee
#define MVGBE_SMI_REG (((struct mvgbe_registers *)MVGBE0_BASE)->smi)
#if defined(CONFIG_PHYLIB) || defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+static int smi_wait_ready(struct mvgbe_device *dmvgbe)
+{
+ int ret;
+
+ ret = wait_for_bit_le32(&MVGBE_SMI_REG, MVGBE_PHY_SMI_BUSY_MASK, false,
+ MVGBE_PHY_SMI_TIMEOUT_MS, false);
+ if (ret) {
+ printf("Error: SMI busy timeout\n");
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* smi_reg_read - miiphy_read callback function.
*
- * Returns 16bit phy register value, or 0xffff on error
+ * Returns 16bit phy register value, or -EFAULT on error
*/
-static int smi_reg_read(const char *devname, u8 phy_adr, u8 reg_ofs, u16 * data)
+static int smi_reg_read(struct mii_dev *bus, int phy_adr, int devad,
+ int reg_ofs)
{
- struct eth_device *dev = eth_get_dev_by_name(devname);
+ u16 data = 0;
+ struct eth_device *dev = eth_get_dev_by_name(bus->name);
struct mvgbe_device *dmvgbe = to_mvgbe(dev);
struct mvgbe_registers *regs = dmvgbe->regs;
u32 smi_reg;
if (phy_adr == MV_PHY_ADR_REQUEST &&
reg_ofs == MV_PHY_ADR_REQUEST) {
/* */
- *data = (u16) (MVGBE_REG_RD(regs->phyadr) & PHYADR_MASK);
- return 0;
+ data = (u16) (MVGBE_REG_RD(regs->phyadr) & PHYADR_MASK);
+ return data;
}
/* check parameters */
if (phy_adr > PHYADR_MASK) {
printf("Err..(%s) Invalid PHY address %d\n",
- __FUNCTION__, phy_adr);
+ __func__, phy_adr);
return -EFAULT;
}
if (reg_ofs > PHYREG_MASK) {
printf("Err..(%s) Invalid register offset %d\n",
- __FUNCTION__, reg_ofs);
+ __func__, reg_ofs);
return -EFAULT;
}
- timeout = MVGBE_PHY_SMI_TIMEOUT;
/* wait till the SMI is not busy */
- do {
- /* read smi register */
- smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
- return -EFAULT;
- }
- } while (smi_reg & MVGBE_PHY_SMI_BUSY_MASK);
+ if (smi_wait_ready(dmvgbe) < 0)
+ return -EFAULT;
/* fill the phy address and regiser offset and read opcode */
smi_reg = (phy_adr << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
if (timeout-- == 0) {
printf("Err..(%s) SMI read ready timeout\n",
- __FUNCTION__);
+ __func__);
return -EFAULT;
}
} while (!(smi_reg & MVGBE_PHY_SMI_READ_VALID_MASK));
for (timeout = 0; timeout < MVGBE_PHY_SMI_TIMEOUT; timeout++)
;
- *data = (u16) (MVGBE_REG_RD(MVGBE_SMI_REG) & MVGBE_PHY_SMI_DATA_MASK);
+ data = (u16) (MVGBE_REG_RD(MVGBE_SMI_REG) & MVGBE_PHY_SMI_DATA_MASK);
- debug("%s:(adr %d, off %d) value= %04x\n", __FUNCTION__, phy_adr,
- reg_ofs, *data);
+ debug("%s:(adr %d, off %d) value= %04x\n", __func__, phy_adr, reg_ofs,
+ data);
- return 0;
+ return data;
}
/*
- * smi_reg_write - imiiphy_write callback function.
+ * smi_reg_write - miiphy_write callback function.
*
- * Returns 0 if write succeed, -EINVAL on bad parameters
- * -ETIME on timeout
+ * Returns 0 if write succeed, -EFAULT on error
*/
-static int smi_reg_write(const char *devname, u8 phy_adr, u8 reg_ofs, u16 data)
+static int smi_reg_write(struct mii_dev *bus, int phy_adr, int devad,
+ int reg_ofs, u16 data)
{
- struct eth_device *dev = eth_get_dev_by_name(devname);
+ struct eth_device *dev = eth_get_dev_by_name(bus->name);
struct mvgbe_device *dmvgbe = to_mvgbe(dev);
struct mvgbe_registers *regs = dmvgbe->regs;
u32 smi_reg;
- u32 timeout;
/* Phyadr write request*/
if (phy_adr == MV_PHY_ADR_REQUEST &&
/* check parameters */
if (phy_adr > PHYADR_MASK) {
- printf("Err..(%s) Invalid phy address\n", __FUNCTION__);
+ printf("Err..(%s) Invalid phy address\n", __func__);
return -EINVAL;
}
if (reg_ofs > PHYREG_MASK) {
- printf("Err..(%s) Invalid register offset\n", __FUNCTION__);
- return -EINVAL;
+ printf("Err..(%s) Invalid register offset\n", __func__);
+ return -EFAULT;
}
/* wait till the SMI is not busy */
- timeout = MVGBE_PHY_SMI_TIMEOUT;
- do {
- /* read smi register */
- smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
- return -ETIME;
- }
- } while (smi_reg & MVGBE_PHY_SMI_BUSY_MASK);
+ if (smi_wait_ready(dmvgbe) < 0)
+ return -EFAULT;
/* fill the phy addr and reg offset and write opcode and data */
smi_reg = (data << MVGBE_PHY_SMI_DATA_OFFS);
}
#endif
-#if defined(CONFIG_PHYLIB)
-int mvgbe_phy_read(struct mii_dev *bus, int phy_addr, int dev_addr,
- int reg_addr)
-{
- u16 data;
- int ret;
- ret = smi_reg_read(bus->name, phy_addr, reg_addr, &data);
- if (ret)
- return ret;
- return data;
-}
-
-int mvgbe_phy_write(struct mii_dev *bus, int phy_addr, int dev_addr,
- int reg_addr, u16 data)
-{
- return smi_reg_write(bus->name, phy_addr, reg_addr, data);
-}
-#endif
-
/* Stop and checks all queues */
static void stop_queue(u32 * qreg)
{
if ((cmd_sts & (MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME)) ==
(MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME) &&
cmd_sts & (MVGBE_UR_ERROR | MVGBE_RL_ERROR)) {
- printf("Err..(%s) in xmit packet\n", __FUNCTION__);
+ printf("Err..(%s) in xmit packet\n", __func__);
return -1;
}
cmd_sts = readl(&p_txdesc->cmd_sts);
if (timeout < MVGBE_PHY_SMI_TIMEOUT)
timeout++;
else {
- debug("%s time out...\n", __FUNCTION__);
+ debug("%s time out...\n", __func__);
return -1;
}
} while (readl(&p_rxdesc_curr->cmd_sts) & MVGBE_BUFFER_OWNED_BY_DMA);
if (p_rxdesc_curr->byte_cnt != 0) {
debug("%s: Received %d byte Packet @ 0x%x (cmd_sts= %08x)\n",
- __FUNCTION__, (u32) p_rxdesc_curr->byte_cnt,
+ __func__, (u32) p_rxdesc_curr->byte_cnt,
(u32) p_rxdesc_curr->buf_ptr,
(u32) p_rxdesc_curr->cmd_sts);
}
!= (MVGBE_RX_FIRST_DESC | MVGBE_RX_LAST_DESC)) {
printf("Err..(%s) Dropping packet spread on"
- " multiple descriptors\n", __FUNCTION__);
+ " multiple descriptors\n", __func__);
} else if (cmd_sts & MVGBE_ERROR_SUMMARY) {
printf("Err..(%s) Dropping packet with errors\n",
- __FUNCTION__);
+ __func__);
} else {
/* !!! call higher layer processing */
debug("%s: Sending Received packet to"
- " upper layer (NetReceive)\n", __FUNCTION__);
+ " upper layer (net_process_received_packet)\n",
+ __func__);
/* let the upper layer handle the packet */
- NetReceive((p_rxdesc_curr->buf_ptr + RX_BUF_OFFSET),
- (int)(p_rxdesc_curr->byte_cnt - RX_BUF_OFFSET));
+ net_process_received_packet((p_rxdesc_curr->buf_ptr +
+ RX_BUF_OFFSET),
+ (int)(p_rxdesc_curr->byte_cnt -
+ RX_BUF_OFFSET));
}
/*
* free these descriptors and point next in the ring
printf("mdio_alloc failed\n");
return -ENOMEM;
}
- bus->read = mvgbe_phy_read;
- bus->write = mvgbe_phy_write;
- sprintf(bus->name, dev->name);
+ bus->read = smi_reg_read;
+ bus->write = smi_reg_write;
+ strcpy(bus->name, dev->name);
ret = mdio_register(bus);
if (ret) {
}
/* Set phy address of the port */
- mvgbe_phy_write(bus, MV_PHY_ADR_REQUEST, 0, MV_PHY_ADR_REQUEST, phyid);
+ smi_reg_write(bus, MV_PHY_ADR_REQUEST, 0, MV_PHY_ADR_REQUEST, phyid);
phydev = phy_connect(bus, phyid, dev, PHY_INTERFACE_MODE_RGMII);
if (!phydev) {
free(dmvgbe);
error1:
printf("Err.. %s Failed to allocate memory\n",
- __FUNCTION__);
+ __func__);
return -1;
}
#endif
default: /* this should never happen */
printf("Err..(%s) Invalid device number %d\n",
- __FUNCTION__, devnum);
+ __func__, devnum);
return -1;
}
#if defined(CONFIG_PHYLIB)
mvgbe_phylib_init(dev, PHY_BASE_ADR + devnum);
#elif defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
- miiphy_register(dev->name, smi_reg_read, smi_reg_write);
+ int retval;
+ struct mii_dev *mdiodev = mdio_alloc();
+ if (!mdiodev)
+ return -ENOMEM;
+ strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+ mdiodev->read = smi_reg_read;
+ mdiodev->write = smi_reg_write;
+
+ retval = mdio_register(mdiodev);
+ if (retval < 0)
+ return retval;
/* Set phy address of the port */
miiphy_write(dev->name, MV_PHY_ADR_REQUEST,
MV_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
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