Port a very abridged version of MV88E6XXX DSA driver from Linux
kernel. Currently only internal MDIO bus connected to switch PHYs is
exposed.
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
drivers/net/phy/Kconfig | 6 +
drivers/net/phy/Makefile | 1 +
drivers/net/phy/mv88e6xxx/Makefile | 5 +
drivers/net/phy/mv88e6xxx/chip.c | 723 ++++++++++++++++++++++++++++
drivers/net/phy/mv88e6xxx/chip.h | 61 +++
drivers/net/phy/mv88e6xxx/global2.c | 124 +++++
drivers/net/phy/mv88e6xxx/global2.h | 41 ++
drivers/net/phy/mv88e6xxx/port.c | 20 +
drivers/net/phy/mv88e6xxx/port.h | 89 ++++
9 files changed, 1070 insertions(+)
create mode 100644 drivers/net/phy/mv88e6xxx/Makefile
create mode 100644 drivers/net/phy/mv88e6xxx/chip.c
create mode 100644 drivers/net/phy/mv88e6xxx/chip.h
create mode 100644 drivers/net/phy/mv88e6xxx/global2.c
create mode 100644 drivers/net/phy/mv88e6xxx/global2.h
create mode 100644 drivers/net/phy/mv88e6xxx/port.c
create mode 100644 drivers/net/phy/mv88e6xxx/port.h
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 79fb917ee..3b1a6ea7e 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -48,6 +48,12 @@ config SMSC_PHY
---help---
Currently supports the LAN83C185, LAN8187 and LAN8700 PHYs
+config NET_DSA_MV88E6XXX
+ tristate "Marvell 88E6xxx Ethernet switch fabric support"
+ help
+ This driver adds support for most of the Marvell 88E6xxx models of
+ Ethernet switch chips, except 88E6060.
+
comment "MII bus device drivers"
config MDIO_MVEBU
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 4424054d9..e4d9ec65a 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_MARVELL_PHY) += marvell.o
obj-$(CONFIG_MICREL_PHY) += micrel.o
obj-$(CONFIG_NATIONAL_PHY) += national.o
obj-$(CONFIG_SMSC_PHY) += smsc.o
+obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx/
obj-$(CONFIG_MDIO_MVEBU) += mdio-mvebu.o
obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
diff --git a/drivers/net/phy/mv88e6xxx/Makefile b/drivers/net/phy/mv88e6xxx/Makefile
new file mode 100644
index 000000000..e09ea0aa4
--- /dev/null
+++ b/drivers/net/phy/mv88e6xxx/Makefile
@@ -0,0 +1,5 @@
+obj-y += mv88e6xxx.o
+
+mv88e6xxx-objs := chip.o
+mv88e6xxx-objs += global2.o
+mv88e6xxx-objs += port.o
diff --git a/drivers/net/phy/mv88e6xxx/chip.c b/drivers/net/phy/mv88e6xxx/chip.c
new file mode 100644
index 000000000..cc4bfc02e
--- /dev/null
+++ b/drivers/net/phy/mv88e6xxx/chip.c
@@ -0,0 +1,723 @@
+#include <common.h>
+#include <init.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/bitfield.h>
+
+#include <gpio.h>
+#include <of_device.h>
+#include <of_gpio.h>
+
+#include "chip.h"
+#include "global2.h"
+#include "port.h"
+
+
+/* List of supported models */
+enum mv88e6xxx_model {
+ MV88E6085,
+ MV88E6095,
+ MV88E6097,
+ MV88E6123,
+ MV88E6131,
+ MV88E6141,
+ MV88E6161,
+ MV88E6165,
+ MV88E6171,
+ MV88E6172,
+ MV88E6175,
+ MV88E6176,
+ MV88E6185,
+ MV88E6190,
+ MV88E6190X,
+ MV88E6191,
+ MV88E6240,
+ MV88E6290,
+ MV88E6320,
+ MV88E6321,
+ MV88E6341,
+ MV88E6350,
+ MV88E6351,
+ MV88E6352,
+ MV88E6390,
+ MV88E6390X,
+};
+
+static const struct mv88e6xxx_ops mv88e6085_ops = {
+ /* MV88E6XXX_FAMILY_6097 */
+ /* FIXME: Was not ported due to lack of HW */
+ .phy_read = NULL,
+ .phy_write = NULL,
+};
+
+static const struct mv88e6xxx_ops mv88e6095_ops = {
+ /* MV88E6XXX_FAMILY_6095 */
+ /* FIXME: Was not ported due to lack of HW */
+ .phy_read = NULL,
+ .phy_write = NULL,
+};
+
+static const struct mv88e6xxx_ops mv88e6097_ops = {
+ /* MV88E6XXX_FAMILY_6097 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6123_ops = {
+ /* MV88E6XXX_FAMILY_6165 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6131_ops = {
+ /* MV88E6XXX_FAMILY_6185 */
+ /* FIXME: Was not ported due to lack of HW */
+ .phy_read = NULL,
+ .phy_write = NULL,
+};
+
+static const struct mv88e6xxx_ops mv88e6141_ops = {
+ /* MV88E6XXX_FAMILY_6341 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6161_ops = {
+ /* MV88E6XXX_FAMILY_6165 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6165_ops = {
+ /* MV88E6XXX_FAMILY_6165 */
+ /* FIXME: Was not ported due to lack of HW */
+ .phy_read = NULL,
+ .phy_write = NULL,
+};
+
+static const struct mv88e6xxx_ops mv88e6171_ops = {
+ /* MV88E6XXX_FAMILY_6351 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6172_ops = {
+ /* MV88E6XXX_FAMILY_6352 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6175_ops = {
+ /* MV88E6XXX_FAMILY_6351 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6176_ops = {
+ /* MV88E6XXX_FAMILY_6352 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6185_ops = {
+ /* MV88E6XXX_FAMILY_6185 */
+ /* FIXME: Was not ported due to lack of HW */
+ .phy_read = NULL,
+ .phy_write = NULL,
+};
+
+static const struct mv88e6xxx_ops mv88e6190_ops = {
+ /* MV88E6XXX_FAMILY_6390 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6190x_ops = {
+ /* MV88E6XXX_FAMILY_6390 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6191_ops = {
+ /* MV88E6XXX_FAMILY_6390 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6240_ops = {
+ /* MV88E6XXX_FAMILY_6352 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6290_ops = {
+ /* MV88E6XXX_FAMILY_6390 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6320_ops = {
+ /* MV88E6XXX_FAMILY_6320 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6321_ops = {
+ /* MV88E6XXX_FAMILY_6320 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6341_ops = {
+ /* MV88E6XXX_FAMILY_6341 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6350_ops = {
+ /* MV88E6XXX_FAMILY_6351 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6351_ops = {
+ /* MV88E6XXX_FAMILY_6351 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6352_ops = {
+ /* MV88E6XXX_FAMILY_6352 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6390_ops = {
+ /* MV88E6XXX_FAMILY_6390 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_ops mv88e6390x_ops = {
+ /* MV88E6XXX_FAMILY_6390 */
+ .phy_read = mv88e6xxx_g2_smi_phy_read,
+ .phy_write = mv88e6xxx_g2_smi_phy_write,
+};
+
+static const struct mv88e6xxx_info mv88e6xxx_table[] = {
+ [MV88E6085] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
+ .family = MV88E6XXX_FAMILY_6097,
+ .name = "Marvell 88E6085",
+ .num_ports = 10,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6085_ops,
+ },
+
+ [MV88E6095] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
+ .family = MV88E6XXX_FAMILY_6095,
+ .name = "Marvell 88E6095/88E6095F",
+ .num_ports = 11,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6095_ops,
+ },
+
+ [MV88E6097] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
+ .family = MV88E6XXX_FAMILY_6097,
+ .name = "Marvell 88E6097/88E6097F",
+ .num_ports = 11,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6097_ops,
+ },
+
+ [MV88E6123] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
+ .family = MV88E6XXX_FAMILY_6165,
+ .name = "Marvell 88E6123",
+ .num_ports = 3,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6123_ops,
+ },
+
+ [MV88E6131] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
+ .family = MV88E6XXX_FAMILY_6185,
+ .name = "Marvell 88E6131",
+ .num_ports = 8,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6131_ops,
+ },
+
+ [MV88E6141] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
+ .family = MV88E6XXX_FAMILY_6341,
+ .name = "Marvell 88E6341",
+ .num_ports = 6,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6141_ops,
+ },
+
+ [MV88E6161] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
+ .family = MV88E6XXX_FAMILY_6165,
+ .name = "Marvell 88E6161",
+ .num_ports = 6,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6161_ops,
+ },
+
+ [MV88E6165] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
+ .family = MV88E6XXX_FAMILY_6165,
+ .name = "Marvell 88E6165",
+ .num_ports = 6,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6165_ops,
+ },
+
+ [MV88E6171] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
+ .family = MV88E6XXX_FAMILY_6351,
+ .name = "Marvell 88E6171",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6171_ops,
+ },
+
+ [MV88E6172] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
+ .family = MV88E6XXX_FAMILY_6352,
+ .name = "Marvell 88E6172",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6172_ops,
+ },
+
+ [MV88E6175] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
+ .family = MV88E6XXX_FAMILY_6351,
+ .name = "Marvell 88E6175",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6175_ops,
+ },
+
+ [MV88E6176] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
+ .family = MV88E6XXX_FAMILY_6352,
+ .name = "Marvell 88E6176",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6176_ops,
+ },
+
+ [MV88E6185] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
+ .family = MV88E6XXX_FAMILY_6185,
+ .name = "Marvell 88E6185",
+ .num_ports = 10,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6185_ops,
+ },
+
+ [MV88E6190] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
+ .family = MV88E6XXX_FAMILY_6390,
+ .name = "Marvell 88E6190",
+ .num_ports = 11, /* 10 + Z80 */
+ .port_base_addr = 0x0,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6190_ops,
+ },
+
+ [MV88E6190X] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
+ .family = MV88E6XXX_FAMILY_6390,
+ .name = "Marvell 88E6190X",
+ .num_ports = 11, /* 10 + Z80 */
+ .port_base_addr = 0x0,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6190x_ops,
+ },
+
+ [MV88E6191] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
+ .family = MV88E6XXX_FAMILY_6390,
+ .name = "Marvell 88E6191",
+ .num_ports = 11, /* 10 + Z80 */
+ .port_base_addr = 0x0,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6191_ops,
+ },
+
+ [MV88E6240] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
+ .family = MV88E6XXX_FAMILY_6352,
+ .name = "Marvell 88E6240",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6240_ops,
+ },
+
+ [MV88E6290] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
+ .family = MV88E6XXX_FAMILY_6390,
+ .name = "Marvell 88E6290",
+ .num_ports = 11, /* 10 + Z80 */
+ .port_base_addr = 0x0,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6290_ops,
+ },
+
+ [MV88E6320] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
+ .family = MV88E6XXX_FAMILY_6320,
+ .name = "Marvell 88E6320",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6320_ops,
+ },
+
+ [MV88E6321] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
+ .family = MV88E6XXX_FAMILY_6320,
+ .name = "Marvell 88E6321",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6321_ops,
+ },
+
+ [MV88E6341] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
+ .family = MV88E6XXX_FAMILY_6341,
+ .name = "Marvell 88E6341",
+ .num_ports = 6,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6341_ops,
+ },
+
+ [MV88E6350] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
+ .family = MV88E6XXX_FAMILY_6351,
+ .name = "Marvell 88E6350",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6350_ops,
+ },
+
+ [MV88E6351] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
+ .family = MV88E6XXX_FAMILY_6351,
+ .name = "Marvell 88E6351",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6351_ops,
+ },
+
+ [MV88E6352] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
+ .family = MV88E6XXX_FAMILY_6352,
+ .name = "Marvell 88E6352",
+ .num_ports = 7,
+ .port_base_addr = 0x10,
+ .ops = &mv88e6352_ops,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6352_ops,
+ },
+
+ [MV88E6390] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
+ .family = MV88E6XXX_FAMILY_6390,
+ .name = "Marvell 88E6390",
+ .num_ports = 11, /* 10 + Z80 */
+ .port_base_addr = 0x0,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6390_ops,
+ },
+
+ [MV88E6390X] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
+ .family = MV88E6XXX_FAMILY_6390,
+ .name = "Marvell 88E6390X",
+ .num_ports = 11, /* 10 + Z80 */
+ .port_base_addr = 0x0,
+ .global2_addr = 0x1c,
+ .ops = &mv88e6390x_ops,
+ },
+};
+
+int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
+{
+ int ret;
+ ret = mdiobus_write(chip->parent_miibus, addr, reg, val);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
+ addr, reg, val);
+
+ return 0;
+}
+
+int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
+{
+ int ret;
+
+ ret = mdiobus_read(chip->parent_miibus, addr, reg);
+ if (ret < 0)
+ return ret;
+
+ *val = ret & 0xffff;
+
+ dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
+ addr, reg, *val);
+
+ return 0;
+}
+
+int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg, u16 mask)
+{
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ u16 val;
+ int err;
+
+ err = mv88e6xxx_read(chip, addr, reg, &val);
+ if (err)
+ return err;
+
+ if (!(val & mask))
+ return 0;
+
+ udelay(2000);
+ }
+
+ dev_err(chip->dev, "Timeout while waiting for switch\n");
+ return -ETIMEDOUT;
+}
+
+static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
+{
+ struct mv88e6xxx_chip *chip = bus->priv;
+ u16 val;
+ int err;
+
+ if (!chip->info->ops->phy_read)
+ return -EOPNOTSUPP;
+
+ err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
+
+ if (reg == MII_PHYSID2) {
+ /* Some internal PHYS don't have a model number. Use
+ * the mv88e6390 family model number instead.
+ */
+ if (!(val & 0x3f0))
+ val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4;
+ }
+
+ return err ?: val;
+}
+
+static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
+{
+ struct mv88e6xxx_chip *chip = bus->priv;
+ int err;
+
+ if (!chip->info->ops->phy_write)
+ return -EOPNOTSUPP;
+
+ err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
+
+ return err;
+}
+
+static const struct mv88e6xxx_info *
+mv88e6xxx_lookup_info(unsigned int prod_num)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
+ if (mv88e6xxx_table[i].prod_num == prod_num)
+ return &mv88e6xxx_table[i];
+
+ return NULL;
+}
+
+static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
+{
+ const struct mv88e6xxx_info *info;
+ unsigned int prod_num, rev;
+ u16 id;
+ int err;
+
+ err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
+ if (err)
+ return err;
+
+ prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
+ rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
+
+ info = mv88e6xxx_lookup_info(prod_num);
+ if (!info)
+ return -ENODEV;
+
+ /* Update the compatible info with the probed one */
+ chip->info = info;
+
+ dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
+ chip->info->prod_num, chip->info->name, rev);
+
+ return 0;
+}
+
+/*
+ * Linux driver has this delay at 20ms, but it doesn't seem to be
+ * enough in Barebox and trying to access switch registers immediately
+ * after this function will return all F's on some platforms
+ * tested. Increasing this to 50ms seem to resolve the issue.
+ */
+static void mv88e6xxx_hardware_reset_delay(void)
+{
+ udelay(50000);
+}
+
+static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
+{
+ /* If there is a GPIO connected to the reset pin, toggle it */
+ if (gpio_is_valid(chip->reset)) {
+ gpio_set_active(chip->reset, 1);
+ mv88e6xxx_hardware_reset_delay();
+ gpio_set_active(chip->reset, 0);
+ mv88e6xxx_hardware_reset_delay();
+ }
+}
+
+static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
+{
+ mv88e6xxx_hardware_reset(chip);
+ return 0;
+}
+
+static int mv88e6xxx_probe(struct device_d *dev)
+{
+ struct device_node *np = dev->device_node;
+ struct device_node *mdio_node;
+ struct mv88e6xxx_chip *chip;
+ enum of_gpio_flags of_flags;
+ int err;
+ u32 reg;
+
+ err = of_property_read_u32(np, "reg", ®);
+ if (err) {
+ dev_err(dev, "Couldn't determine switch MIDO address\n");
+ return err;
+ }
+
+ if (reg) {
+ dev_err(dev, "Only single-chip address mode is supported\n");
+ return -ENOTSUPP;
+ }
+
+ chip = xzalloc(sizeof(struct mv88e6xxx_chip));
+ chip->dev = dev;
+ chip->info = of_device_get_match_data(dev);
+
+ chip->parent_miibus = of_mdio_find_bus(np->parent);
+ if (!chip->parent_miibus)
+ return -EPROBE_DEFER;
+
+ chip->reset = of_get_named_gpio_flags(np, "reset-gpios", 0, &of_flags);
+ if (gpio_is_valid(chip->reset)) {
+ unsigned long flags = GPIOF_OUT_INIT_INACTIVE;
+ char *name;
+
+ if (of_flags & OF_GPIO_ACTIVE_LOW)
+ flags |= GPIOF_ACTIVE_LOW;
+
+ name = basprintf("%s reset", dev_name(dev));
+ err = gpio_request_one(chip->reset, flags, name);
+ if (err < 0)
+ return err;
+ /*
+ * We assume that reset line was previously held low
+ * and give the switch time to initialize before
+ * trying to read its registers
+ */
+ mv88e6xxx_hardware_reset_delay();
+ }
+
+ err = mv88e6xxx_detect(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_switch_reset(chip);
+ if (err)
+ return err;
+ /*
+ * In single-chip address mode addresses 0x10 - 0x1f are
+ * reserved to access various switch registers and do not
+ * correspond to any PHYs, so we mask them to pervent from
+ * being exposed as phy devices
+ */
+ chip->parent_miibus->phy_mask |= GENMASK(0x1f, 0x10);
+ /*
+ * Address 0x0f on internal bus is dedicated to SERDES
+ * registers and won't be very useful against standard PHY
+ * driver
+ */
+ chip->miibus.phy_mask |= GENMASK(0x1f, 0x0f);
+
+ chip->miibus.read = mv88e6xxx_mdio_read;
+ chip->miibus.write = mv88e6xxx_mdio_write;
+
+ chip->miibus.priv = chip;
+ chip->miibus.parent = dev;
+
+ mdio_node = of_get_child_by_name(np, "mdio");
+ if (mdio_node)
+ chip->miibus.dev.device_node = mdio_node;
+
+ return mdiobus_register(&chip->miibus);
+}
+
+static const struct of_device_id mv88e6xxx_of_match[] = {
+ {
+ .compatible = "marvell,mv88e6085",
+ .data = &mv88e6xxx_table[MV88E6085],
+ },
+ {
+ .compatible = "marvell,mv88e6190",
+ .data = &mv88e6xxx_table[MV88E6190],
+ },
+ {},
+};
+
+static struct driver_d mv88e6xxx_driver = {
+ .name = "mv88e6085",
+ .probe = mv88e6xxx_probe,
+ .of_compatible = mv88e6xxx_of_match,
+};
+device_platform_driver(mv88e6xxx_driver);
diff --git a/drivers/net/phy/mv88e6xxx/chip.h b/drivers/net/phy/mv88e6xxx/chip.h
new file mode 100644
index 000000000..6c3f0705b
--- /dev/null
+++ b/drivers/net/phy/mv88e6xxx/chip.h
@@ -0,0 +1,61 @@
+#ifndef _MV88E6XXX_CHIP_H
+#define _MV88E6XXX_CHIP_H
+
+#include <common.h>
+#include <init.h>
+#include <linux/mii.h>
+#include <linux/phy.h>
+
+/* sub-devices MDIO addresses */
+#define MV88E6XXX_SWITCH_GLOBAL_REGS_1 0x1b
+#define MV88E6XXX_SWITCH_GLOBAL_REGS_2 0x1c
+
+enum mv88e6xxx_family {
+ MV88E6XXX_FAMILY_NONE,
+ MV88E6XXX_FAMILY_6065, /* 6031 6035 6061 6065 */
+ MV88E6XXX_FAMILY_6095, /* 6092 6095 */
+ MV88E6XXX_FAMILY_6097, /* 6046 6085 6096 6097 */
+ MV88E6XXX_FAMILY_6165, /* 6123 6161 6165 */
+ MV88E6XXX_FAMILY_6185, /* 6108 6121 6122 6131 6152 6155 6182 6185 */
+ MV88E6XXX_FAMILY_6320, /* 6320 6321 */
+ MV88E6XXX_FAMILY_6341, /* 6141 6341 */
+ MV88E6XXX_FAMILY_6351, /* 6171 6175 6350 6351 */
+ MV88E6XXX_FAMILY_6352, /* 6172 6176 6240 6352 */
+ MV88E6XXX_FAMILY_6390, /* 6190 6190X 6191 6290 6390 6390X */
+};
+
+struct mv88e6xxx_ops;
+
+struct mv88e6xxx_info {
+ enum mv88e6xxx_family family;
+ u16 prod_num;
+ const char *name;
+ unsigned int num_ports;
+ unsigned int port_base_addr;
+ unsigned int global2_addr;
+
+ const struct mv88e6xxx_ops *ops;
+};
+
+struct mv88e6xxx_chip {
+ const struct mv88e6xxx_info *info;
+ struct mii_bus *parent_miibus;
+ struct mii_bus miibus;
+ struct device_d *dev;
+ int reset;
+};
+
+struct mv88e6xxx_ops {
+ int (*phy_read)(struct mv88e6xxx_chip *chip,
+ struct mii_bus *bus,
+ int addr, int reg, u16 *val);
+ int (*phy_write)(struct mv88e6xxx_chip *chip,
+ struct mii_bus *bus,
+ int addr, int reg, u16 val);
+};
+
+int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val);
+int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val);
+int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg, u16 mask);
+
+#endif /* _MV88E6XXX_CHIP_H */
diff --git a/drivers/net/phy/mv88e6xxx/global2.c b/drivers/net/phy/mv88e6xxx/global2.c
new file mode 100644
index 000000000..a3c7bc0e5
--- /dev/null
+++ b/drivers/net/phy/mv88e6xxx/global2.c
@@ -0,0 +1,124 @@
+#include <linux/ethtool.h>
+#include <linux/bitfield.h>
+
+#include "global2.h"
+
+int mv88e6xxx_g2_read(struct mv88e6xxx_chip *chip, int reg, u16 *val)
+{
+ return mv88e6xxx_read(chip, chip->info->global2_addr, reg, val);
+}
+
+int mv88e6xxx_g2_write(struct mv88e6xxx_chip *chip, int reg, u16 val)
+{
+ return mv88e6xxx_write(chip, chip->info->global2_addr, reg, val);
+}
+
+int mv88e6xxx_g2_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask)
+{
+ return mv88e6xxx_wait(chip, chip->info->global2_addr, reg, mask);
+}
+
+static int mv88e6xxx_g2_smi_phy_wait(struct mv88e6xxx_chip *chip)
+{
+ return mv88e6xxx_g2_wait(chip, MV88E6XXX_G2_SMI_PHY_CMD,
+ MV88E6XXX_G2_SMI_PHY_CMD_BUSY);
+}
+
+static int mv88e6xxx_g2_smi_phy_cmd(struct mv88e6xxx_chip *chip, u16 cmd)
+{
+ int err;
+
+ err = mv88e6xxx_g2_write(chip, MV88E6XXX_G2_SMI_PHY_CMD,
+ MV88E6XXX_G2_SMI_PHY_CMD_BUSY | cmd);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g2_smi_phy_wait(chip);
+}
+
+static int mv88e6xxx_g2_smi_phy_access(struct mv88e6xxx_chip *chip,
+ bool external, bool c45, u16 op, int dev,
+ int reg)
+{
+ u16 cmd = op;
+
+ if (external)
+ cmd |= MV88E6390_G2_SMI_PHY_CMD_FUNC_EXTERNAL;
+ else
+ cmd |= MV88E6390_G2_SMI_PHY_CMD_FUNC_INTERNAL; /* empty mask */
+
+ if (c45)
+ cmd |= MV88E6XXX_G2_SMI_PHY_CMD_MODE_45; /* empty mask */
+ else
+ cmd |= MV88E6XXX_G2_SMI_PHY_CMD_MODE_22;
+
+ dev <<= __bf_shf(MV88E6XXX_G2_SMI_PHY_CMD_DEV_ADDR_MASK);
+ cmd |= dev & MV88E6XXX_G2_SMI_PHY_CMD_DEV_ADDR_MASK;
+ cmd |= reg & MV88E6XXX_G2_SMI_PHY_CMD_REG_ADDR_MASK;
+
+ return mv88e6xxx_g2_smi_phy_cmd(chip, cmd);
+}
+
+static int mv88e6xxx_g2_smi_phy_access_c22(struct mv88e6xxx_chip *chip,
+ bool external, u16 op, int dev,
+ int reg)
+{
+ return mv88e6xxx_g2_smi_phy_access(chip, external, false, op, dev, reg);
+}
+
+/* IEEE 802.3 Clause 22 Read Data Register */
+static int mv88e6xxx_g2_smi_phy_read_data_c22(struct mv88e6xxx_chip *chip,
+ bool external, int dev, int reg,
+ u16 *data)
+{
+ u16 op = MV88E6XXX_G2_SMI_PHY_CMD_OP_22_READ_DATA;
+ int err;
+
+ err = mv88e6xxx_g2_smi_phy_wait(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g2_smi_phy_access_c22(chip, external, op, dev, reg);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g2_read(chip, MV88E6XXX_G2_SMI_PHY_DATA, data);
+}
+
+/* IEEE 802.3 Clause 22 Write Data Register */
+static int mv88e6xxx_g2_smi_phy_write_data_c22(struct mv88e6xxx_chip *chip,
+ bool external, int dev, int reg,
+ u16 data)
+{
+ u16 op = MV88E6XXX_G2_SMI_PHY_CMD_OP_22_WRITE_DATA;
+ int err;
+
+ err = mv88e6xxx_g2_smi_phy_wait(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g2_write(chip, MV88E6XXX_G2_SMI_PHY_DATA, data);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g2_smi_phy_access_c22(chip, external, op, dev, reg);
+}
+
+
+int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip, struct mii_bus *bus,
+ int addr, int reg, u16 *val)
+{
+ bool external = false;
+
+ return mv88e6xxx_g2_smi_phy_read_data_c22(chip, external, addr, reg,
+ val);
+}
+
+int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, struct mii_bus *bus,
+ int addr, int reg, u16 val)
+{
+ bool external = false;
+
+ return mv88e6xxx_g2_smi_phy_write_data_c22(chip, external, addr, reg,
+ val);
+}
diff --git a/drivers/net/phy/mv88e6xxx/global2.h b/drivers/net/phy/mv88e6xxx/global2.h
new file mode 100644
index 000000000..0d8e9f359
--- /dev/null
+++ b/drivers/net/phy/mv88e6xxx/global2.h
@@ -0,0 +1,41 @@
+#ifndef _MV88E6XXX_GLOBAL2_H
+#define _MV88E6XXX_GLOBAL2_H
+
+#include "chip.h"
+
+/* Offset 0x18: SMI PHY Command Register */
+#define MV88E6XXX_G2_SMI_PHY_CMD 0x18
+#define MV88E6XXX_G2_SMI_PHY_CMD_BUSY 0x8000
+#define MV88E6390_G2_SMI_PHY_CMD_FUNC_MASK 0x6000
+#define MV88E6390_G2_SMI_PHY_CMD_FUNC_INTERNAL 0x0000
+#define MV88E6390_G2_SMI_PHY_CMD_FUNC_EXTERNAL 0x2000
+#define MV88E6390_G2_SMI_PHY_CMD_FUNC_SETUP 0x4000
+#define MV88E6XXX_G2_SMI_PHY_CMD_MODE_MASK 0x1000
+#define MV88E6XXX_G2_SMI_PHY_CMD_MODE_45 0x0000
+#define MV88E6XXX_G2_SMI_PHY_CMD_MODE_22 0x1000
+#define MV88E6XXX_G2_SMI_PHY_CMD_OP_MASK 0x0c00
+#define MV88E6XXX_G2_SMI_PHY_CMD_OP_22_WRITE_DATA 0x0400
+#define MV88E6XXX_G2_SMI_PHY_CMD_OP_22_READ_DATA 0x0800
+#define MV88E6XXX_G2_SMI_PHY_CMD_OP_45_WRITE_ADDR 0x0000
+#define MV88E6XXX_G2_SMI_PHY_CMD_OP_45_WRITE_DATA 0x0400
+#define MV88E6XXX_G2_SMI_PHY_CMD_OP_45_READ_DATA_INC 0x0800
+#define MV88E6XXX_G2_SMI_PHY_CMD_OP_45_READ_DATA 0x0c00
+#define MV88E6XXX_G2_SMI_PHY_CMD_DEV_ADDR_MASK 0x03e0
+#define MV88E6XXX_G2_SMI_PHY_CMD_REG_ADDR_MASK 0x001f
+#define MV88E6XXX_G2_SMI_PHY_CMD_SETUP_PTR_MASK 0x03ff
+
+/* Offset 0x19: SMI PHY Data Register */
+#define MV88E6XXX_G2_SMI_PHY_DATA 0x19
+
+int mv88e6xxx_g2_read(struct mv88e6xxx_chip *chip, int reg, u16 *val);
+int mv88e6xxx_g2_write(struct mv88e6xxx_chip *chip, int reg, u16 val);
+int mv88e6xxx_g2_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask);
+
+int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip,
+ struct mii_bus *bus,
+ int addr, int reg, u16 *val);
+int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip,
+ struct mii_bus *bus,
+ int addr, int reg, u16 val);
+
+#endif /* _MV88E6XXX_GLOBAL2_H */
diff --git a/drivers/net/phy/mv88e6xxx/port.c b/drivers/net/phy/mv88e6xxx/port.c
new file mode 100644
index 000000000..59afdbd97
--- /dev/null
+++ b/drivers/net/phy/mv88e6xxx/port.c
@@ -0,0 +1,20 @@
+#include <common.h>
+#include <init.h>
+
+#include "port.h"
+
+int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
+ u16 *val)
+{
+ int addr = chip->info->port_base_addr + port;
+
+ return mv88e6xxx_read(chip, addr, reg, val);
+}
+
+int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
+ u16 val)
+{
+ int addr = chip->info->port_base_addr + port;
+
+ return mv88e6xxx_write(chip, addr, reg, val);
+}
diff --git a/drivers/net/phy/mv88e6xxx/port.h b/drivers/net/phy/mv88e6xxx/port.h
new file mode 100644
index 000000000..7bb2e8bb4
--- /dev/null
+++ b/drivers/net/phy/mv88e6xxx/port.h
@@ -0,0 +1,89 @@
+#ifndef _MV88E6XXX_PORT_H
+#define _MV88E6XXX_PORT_H
+
+#include "chip.h"
+
+/* Offset 0x00: Port Status Register */
+#define MV88E6XXX_PORT_STS 0x00
+#define MV88E6XXX_PORT_STS_PAUSE_EN 0x8000
+#define MV88E6XXX_PORT_STS_MY_PAUSE 0x4000
+#define MV88E6XXX_PORT_STS_HD_FLOW 0x2000
+#define MV88E6XXX_PORT_STS_PHY_DETECT 0x1000
+#define MV88E6XXX_PORT_STS_LINK 0x0800
+#define MV88E6XXX_PORT_STS_DUPLEX 0x0400
+#define MV88E6XXX_PORT_STS_SPEED_MASK 0x0300
+#define MV88E6XXX_PORT_STS_SPEED_10 0x0000
+#define MV88E6XXX_PORT_STS_SPEED_100 0x0100
+#define MV88E6XXX_PORT_STS_SPEED_1000 0x0200
+#define MV88E6352_PORT_STS_EEE 0x0040
+#define MV88E6165_PORT_STS_AM_DIS 0x0040
+#define MV88E6185_PORT_STS_MGMII 0x0040
+#define MV88E6XXX_PORT_STS_TX_PAUSED 0x0020
+#define MV88E6XXX_PORT_STS_FLOW_CTL 0x0010
+#define MV88E6XXX_PORT_STS_CMODE_MASK 0x000f
+#define MV88E6XXX_PORT_STS_CMODE_100BASE_X 0x0008
+#define MV88E6XXX_PORT_STS_CMODE_1000BASE_X 0x0009
+#define MV88E6XXX_PORT_STS_CMODE_SGMII 0x000a
+#define MV88E6XXX_PORT_STS_CMODE_2500BASEX 0x000b
+#define MV88E6XXX_PORT_STS_CMODE_XAUI 0x000c
+#define MV88E6XXX_PORT_STS_CMODE_RXAUI 0x000d
+
+/* Offset 0x01: MAC (or PCS or Physical) Control Register */
+#define MV88E6XXX_PORT_MAC_CTL 0x01
+#define MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK 0x8000
+#define MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK 0x4000
+#define MV88E6390_PORT_MAC_CTL_FORCE_SPEED 0x2000
+#define MV88E6390_PORT_MAC_CTL_ALTSPEED 0x1000
+#define MV88E6352_PORT_MAC_CTL_200BASE 0x1000
+#define MV88E6XXX_PORT_MAC_CTL_FC 0x0080
+#define MV88E6XXX_PORT_MAC_CTL_FORCE_FC 0x0040
+#define MV88E6XXX_PORT_MAC_CTL_LINK_UP 0x0020
+#define MV88E6XXX_PORT_MAC_CTL_FORCE_LINK 0x0010
+#define MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL 0x0008
+#define MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX 0x0004
+#define MV88E6XXX_PORT_MAC_CTL_SPEED_MASK 0x0003
+#define MV88E6XXX_PORT_MAC_CTL_SPEED_10 0x0000
+#define MV88E6XXX_PORT_MAC_CTL_SPEED_100 0x0001
+#define MV88E6065_PORT_MAC_CTL_SPEED_200 0x0002
+#define MV88E6XXX_PORT_MAC_CTL_SPEED_1000 0x0002
+#define MV88E6390_PORT_MAC_CTL_SPEED_10000 0x0003
+#define MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED 0x0003
+
+/* Offset 0x03: Switch Identifier Register */
+#define MV88E6XXX_PORT_SWITCH_ID 0x03
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_MASK 0xfff0
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6085 0x04a0
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6095 0x0950
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6097 0x0990
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6190X 0x0a00
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6390X 0x0a10
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6131 0x1060
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6320 0x1150
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6123 0x1210
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6161 0x1610
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6165 0x1650
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6171 0x1710
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6172 0x1720
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6175 0x1750
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6176 0x1760
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6190 0x1900
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6191 0x1910
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6185 0x1a70
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6240 0x2400
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6290 0x2900
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6321 0x3100
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6141 0x3400
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6341 0x3410
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6352 0x3520
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6350 0x3710
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6351 0x3750
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6390 0x3900
+#define MV88E6XXX_PORT_SWITCH_ID_REV_MASK 0x000f
+
+int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
+ u16 *val);
+int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
+ u16 val);
+
+
+#endif /* _MV88E6XXX_PORT_H */
--
2.17.1
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