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-rw-r--r--Documentation/devicetree/bindings/net/dsa/marvell.txt21
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c248
-rw-r--r--drivers/net/dsa/mv88e6xxx/global2.c139
-rw-r--r--drivers/net/dsa/mv88e6xxx/global2.h11
-rw-r--r--drivers/net/dsa/mv88e6xxx/mv88e6xxx.h31
5 files changed, 438 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/marvell.txt b/Documentation/devicetree/bindings/net/dsa/marvell.txt
index 7629189398aa..32025eb4b31b 100644
--- a/Documentation/devicetree/bindings/net/dsa/marvell.txt
+++ b/Documentation/devicetree/bindings/net/dsa/marvell.txt
@@ -20,16 +20,35 @@ Required properties:
Optional properties:
- reset-gpios : Should be a gpio specifier for a reset line
-
+- interrupt-parent : Parent interrupt controller
+- interrupts : Interrupt from the switch
+- interrupt-controller : Indicates the switch is itself an interrupt
+ controller. This is used for the PHY interrupts.
+#interrupt-cells = <2> : Controller uses two cells, number and flag
+- mdio : container of PHY and devices on the switches MDIO
+ bus
Example:
mdio {
#address-cells = <1>;
#size-cells = <0>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
switch0: switch@0 {
compatible = "marvell,mv88e6085";
reg = <0>;
reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
};
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ switch1phy0: switch1phy0@0 {
+ reg = <0>;
+ interrupt-parent = <&switch0>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
};
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 883fd9809dd2..ac032977b16c 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -18,11 +18,15 @@
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/if_bridge.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
#include <linux/jiffies.h>
#include <linux/list.h>
#include <linux/mdio.h>
#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/of_irq.h>
#include <linux/of_mdio.h>
#include <linux/netdevice.h>
#include <linux/gpio/consumer.h>
@@ -323,6 +327,164 @@ static int mv88e6xxx_serdes_write(struct mv88e6xxx_chip *chip, int reg, u16 val)
reg, val);
}
+static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+ unsigned int n = d->hwirq;
+
+ chip->g1_irq.masked |= (1 << n);
+}
+
+static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+ unsigned int n = d->hwirq;
+
+ chip->g1_irq.masked &= ~(1 << n);
+}
+
+static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
+{
+ struct mv88e6xxx_chip *chip = dev_id;
+ unsigned int nhandled = 0;
+ unsigned int sub_irq;
+ unsigned int n;
+ u16 reg;
+ int err;
+
+ mutex_lock(&chip->reg_lock);
+ err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &reg);
+ mutex_unlock(&chip->reg_lock);
+
+ if (err)
+ goto out;
+
+ for (n = 0; n < chip->g1_irq.nirqs; ++n) {
+ if (reg & (1 << n)) {
+ sub_irq = irq_find_mapping(chip->g1_irq.domain, n);
+ handle_nested_irq(sub_irq);
+ ++nhandled;
+ }
+ }
+out:
+ return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
+}
+
+static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+
+ mutex_lock(&chip->reg_lock);
+}
+
+static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+ u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
+ u16 reg;
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &reg);
+ if (err)
+ goto out;
+
+ reg &= ~mask;
+ reg |= (~chip->g1_irq.masked & mask);
+
+ err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, reg);
+ if (err)
+ goto out;
+
+out:
+ mutex_unlock(&chip->reg_lock);
+}
+
+static struct irq_chip mv88e6xxx_g1_irq_chip = {
+ .name = "mv88e6xxx-g1",
+ .irq_mask = mv88e6xxx_g1_irq_mask,
+ .irq_unmask = mv88e6xxx_g1_irq_unmask,
+ .irq_bus_lock = mv88e6xxx_g1_irq_bus_lock,
+ .irq_bus_sync_unlock = mv88e6xxx_g1_irq_bus_sync_unlock,
+};
+
+static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
+ unsigned int irq,
+ irq_hw_number_t hwirq)
+{
+ struct mv88e6xxx_chip *chip = d->host_data;
+
+ irq_set_chip_data(irq, d->host_data);
+ irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
+ irq_set_noprobe(irq);
+
+ return 0;
+}
+
+static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
+ .map = mv88e6xxx_g1_irq_domain_map,
+ .xlate = irq_domain_xlate_twocell,
+};
+
+static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
+{
+ int irq, virq;
+
+ for (irq = 0; irq < 16; irq++) {
+ virq = irq_find_mapping(chip->g2_irq.domain, irq);
+ irq_dispose_mapping(virq);
+ }
+
+ irq_domain_remove(chip->g2_irq.domain);
+}
+
+static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
+{
+ int err, irq;
+ u16 reg;
+
+ chip->g1_irq.nirqs = chip->info->g1_irqs;
+ chip->g1_irq.domain = irq_domain_add_simple(
+ NULL, chip->g1_irq.nirqs, 0,
+ &mv88e6xxx_g1_irq_domain_ops, chip);
+ if (!chip->g1_irq.domain)
+ return -ENOMEM;
+
+ for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
+ irq_create_mapping(chip->g1_irq.domain, irq);
+
+ chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
+ chip->g1_irq.masked = ~0;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &reg);
+ if (err)
+ goto out;
+
+ reg &= ~GENMASK(chip->g1_irq.nirqs, 0);
+
+ err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, reg);
+ if (err)
+ goto out;
+
+ /* Reading the interrupt status clears (most of) them */
+ err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &reg);
+ if (err)
+ goto out;
+
+ err = request_threaded_irq(chip->irq, NULL,
+ mv88e6xxx_g1_irq_thread_fn,
+ IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
+ dev_name(chip->dev), chip);
+ if (err)
+ goto out;
+
+ return 0;
+
+out:
+ mv88e6xxx_g1_irq_free(chip);
+
+ return err;
+}
+
int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg, u16 mask)
{
int i;
@@ -2770,7 +2932,11 @@ static int mv88e6xxx_g1_setup(struct mv88e6xxx_chip *chip)
/* Enable the PHY Polling Unit if present, don't discard any packets,
* and mask all interrupt sources.
*/
- reg = 0;
+ err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &reg);
+ if (err < 0)
+ return err;
+
+ reg &= ~GLOBAL_CONTROL_PPU_ENABLE;
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_PPU) ||
mv88e6xxx_has(chip, MV88E6XXX_FLAG_PPU_ACTIVE))
reg |= GLOBAL_CONTROL_PPU_ENABLE;
@@ -2875,10 +3041,6 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
mutex_lock(&chip->reg_lock);
- err = mv88e6xxx_switch_reset(chip);
- if (err)
- goto unlock;
-
/* Setup Switch Port Registers */
for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
err = mv88e6xxx_setup_port(chip, i);
@@ -3326,6 +3488,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 8,
.flags = MV88E6XXX_FLAGS_FAMILY_6097,
.ops = &mv88e6085_ops,
},
@@ -3339,6 +3502,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 8,
.flags = MV88E6XXX_FLAGS_FAMILY_6095,
.ops = &mv88e6095_ops,
},
@@ -3352,6 +3516,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6165,
.ops = &mv88e6123_ops,
},
@@ -3365,6 +3530,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6185,
.ops = &mv88e6131_ops,
},
@@ -3378,6 +3544,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6165,
.ops = &mv88e6161_ops,
},
@@ -3391,6 +3558,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6165,
.ops = &mv88e6165_ops,
},
@@ -3404,6 +3572,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
.ops = &mv88e6171_ops,
},
@@ -3417,6 +3586,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
.ops = &mv88e6172_ops,
},
@@ -3430,6 +3600,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
.ops = &mv88e6175_ops,
},
@@ -3443,6 +3614,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
.ops = &mv88e6176_ops,
},
@@ -3456,6 +3628,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 8,
.flags = MV88E6XXX_FLAGS_FAMILY_6185,
.ops = &mv88e6185_ops,
},
@@ -3469,6 +3642,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
.ops = &mv88e6240_ops,
},
@@ -3482,6 +3656,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 8,
.flags = MV88E6XXX_FLAGS_FAMILY_6320,
.ops = &mv88e6320_ops,
},
@@ -3495,6 +3670,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 8,
.flags = MV88E6XXX_FLAGS_FAMILY_6320,
.ops = &mv88e6321_ops,
},
@@ -3508,6 +3684,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
.ops = &mv88e6350_ops,
},
@@ -3521,6 +3698,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
.ops = &mv88e6351_ops,
},
@@ -3534,6 +3712,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
+ .g1_irqs = 9,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
.ops = &mv88e6352_ops,
},
@@ -3667,6 +3846,12 @@ static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
if (err)
goto free;
+ mutex_lock(&chip->reg_lock);
+ err = mv88e6xxx_switch_reset(chip);
+ mutex_unlock(&chip->reg_lock);
+ if (err)
+ goto free;
+
mv88e6xxx_phy_init(chip);
err = mv88e6xxx_mdio_register(chip, NULL);
@@ -3837,17 +4022,56 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
!of_property_read_u32(np, "eeprom-length", &eeprom_len))
chip->eeprom_len = eeprom_len;
+ mutex_lock(&chip->reg_lock);
+ err = mv88e6xxx_switch_reset(chip);
+ mutex_unlock(&chip->reg_lock);
+ if (err)
+ goto out;
+
+ chip->irq = of_irq_get(np, 0);
+ if (chip->irq == -EPROBE_DEFER) {
+ err = chip->irq;
+ goto out;
+ }
+
+ if (chip->irq > 0) {
+ /* Has to be performed before the MDIO bus is created,
+ * because the PHYs will link there interrupts to these
+ * interrupt controllers
+ */
+ mutex_lock(&chip->reg_lock);
+ err = mv88e6xxx_g1_irq_setup(chip);
+ mutex_unlock(&chip->reg_lock);
+
+ if (err)
+ goto out;
+
+ if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_INT)) {
+ err = mv88e6xxx_g2_irq_setup(chip);
+ if (err)
+ goto out_g1_irq;
+ }
+ }
+
err = mv88e6xxx_mdio_register(chip, np);
if (err)
- return err;
+ goto out_g2_irq;
err = mv88e6xxx_register_switch(chip, np);
- if (err) {
- mv88e6xxx_mdio_unregister(chip);
- return err;
- }
+ if (err)
+ goto out_mdio;
return 0;
+
+out_mdio:
+ mv88e6xxx_mdio_unregister(chip);
+out_g2_irq:
+ if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_INT))
+ mv88e6xxx_g2_irq_free(chip);
+out_g1_irq:
+ mv88e6xxx_g1_irq_free(chip);
+out:
+ return err;
}
static void mv88e6xxx_remove(struct mdio_device *mdiodev)
@@ -3858,6 +4082,10 @@ static void mv88e6xxx_remove(struct mdio_device *mdiodev)
mv88e6xxx_phy_destroy(chip);
mv88e6xxx_unregister_switch(chip);
mv88e6xxx_mdio_unregister(chip);
+
+ if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_INT))
+ mv88e6xxx_g2_irq_free(chip);
+ mv88e6xxx_g1_irq_free(chip);
}
static const struct of_device_id mv88e6xxx_of_match[] = {
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c
index cf686e7506a9..1a0b13521d13 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.c
+++ b/drivers/net/dsa/mv88e6xxx/global2.c
@@ -1,5 +1,6 @@
/*
- * Marvell 88E6xxx Switch Global 2 Registers support (device address 0x1C)
+ * Marvell 88E6xxx Switch Global 2 Registers support (device address
+ * 0x1C)
*
* Copyright (c) 2008 Marvell Semiconductor
*
@@ -11,6 +12,7 @@
* (at your option) any later version.
*/
+#include <linux/irqdomain.h>
#include "mv88e6xxx.h"
#include "global2.h"
@@ -417,6 +419,141 @@ int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, int addr, int reg,
return mv88e6xxx_g2_smi_phy_cmd(chip, cmd);
}
+static void mv88e6xxx_g2_irq_mask(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+ unsigned int n = d->hwirq;
+
+ chip->g2_irq.masked |= (1 << n);
+}
+
+static void mv88e6xxx_g2_irq_unmask(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+ unsigned int n = d->hwirq;
+
+ chip->g2_irq.masked &= ~(1 << n);
+}
+
+static irqreturn_t mv88e6xxx_g2_irq_thread_fn(int irq, void *dev_id)
+{
+ struct mv88e6xxx_chip *chip = dev_id;
+ unsigned int nhandled = 0;
+ unsigned int sub_irq;
+ unsigned int n;
+ int err;
+ u16 reg;
+
+ mutex_lock(&chip->reg_lock);
+ err = mv88e6xxx_g2_read(chip, GLOBAL2_INT_SOURCE, &reg);
+ mutex_unlock(&chip->reg_lock);
+ if (err)
+ goto out;
+
+ for (n = 0; n < 16; ++n) {
+ if (reg & (1 << n)) {
+ sub_irq = irq_find_mapping(chip->g2_irq.domain, n);
+ handle_nested_irq(sub_irq);
+ ++nhandled;
+ }
+ }
+out:
+ return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
+}
+
+static void mv88e6xxx_g2_irq_bus_lock(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+
+ mutex_lock(&chip->reg_lock);
+}
+
+static void mv88e6xxx_g2_irq_bus_sync_unlock(struct irq_data *d)
+{
+ struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
+
+ mv88e6xxx_g2_write(chip, GLOBAL2_INT_MASK, ~chip->g2_irq.masked);
+
+ mutex_unlock(&chip->reg_lock);
+}
+
+static struct irq_chip mv88e6xxx_g2_irq_chip = {
+ .name = "mv88e6xxx-g2",
+ .irq_mask = mv88e6xxx_g2_irq_mask,
+ .irq_unmask = mv88e6xxx_g2_irq_unmask,
+ .irq_bus_lock = mv88e6xxx_g2_irq_bus_lock,
+ .irq_bus_sync_unlock = mv88e6xxx_g2_irq_bus_sync_unlock,
+};
+
+static int mv88e6xxx_g2_irq_domain_map(struct irq_domain *d,
+ unsigned int irq,
+ irq_hw_number_t hwirq)
+{
+ struct mv88e6xxx_chip *chip = d->host_data;
+
+ irq_set_chip_data(irq, d->host_data);
+ irq_set_chip_and_handler(irq, &chip->g2_irq.chip, handle_level_irq);
+ irq_set_noprobe(irq);
+
+ return 0;
+}
+
+static const struct irq_domain_ops mv88e6xxx_g2_irq_domain_ops = {
+ .map = mv88e6xxx_g2_irq_domain_map,
+ .xlate = irq_domain_xlate_twocell,
+};
+
+void mv88e6xxx_g2_irq_free(struct mv88e6xxx_chip *chip)
+{
+ int irq, virq;
+
+ for (irq = 0; irq < 16; irq++) {
+ virq = irq_find_mapping(chip->g2_irq.domain, irq);
+ irq_dispose_mapping(virq);
+ }
+
+ irq_domain_remove(chip->g2_irq.domain);
+}
+
+int mv88e6xxx_g2_irq_setup(struct mv88e6xxx_chip *chip)
+{
+ int device_irq;
+ int err, irq;
+
+ if (!chip->dev->of_node)
+ return -EINVAL;
+
+ chip->g2_irq.domain = irq_domain_add_simple(
+ chip->dev->of_node, 16, 0, &mv88e6xxx_g2_irq_domain_ops, chip);
+ if (!chip->g2_irq.domain)
+ return -ENOMEM;
+
+ for (irq = 0; irq < 16; irq++)
+ irq_create_mapping(chip->g2_irq.domain, irq);
+
+ chip->g2_irq.chip = mv88e6xxx_g2_irq_chip;
+ chip->g2_irq.masked = ~0;
+
+ device_irq = irq_find_mapping(chip->g1_irq.domain,
+ GLOBAL_STATUS_IRQ_DEVICE);
+ if (device_irq < 0) {
+ err = device_irq;
+ goto out;
+ }
+
+ err = devm_request_threaded_irq(chip->dev, device_irq, NULL,
+ mv88e6xxx_g2_irq_thread_fn,
+ IRQF_ONESHOT, "mv88e6xxx-g1", chip);
+ if (err)
+ goto out;
+
+ return 0;
+out:
+ mv88e6xxx_g2_irq_free(chip);
+
+ return err;
+}
+
int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip)
{
u16 reg;
diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h
index c4bb9035ee3a..1eb3ddd21551 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.h
+++ b/drivers/net/dsa/mv88e6xxx/global2.h
@@ -33,6 +33,8 @@ int mv88e6xxx_g2_get_eeprom16(struct mv88e6xxx_chip *chip,
int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip,
struct ethtool_eeprom *eeprom, u8 *data);
int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip);
+int mv88e6xxx_g2_irq_setup(struct mv88e6xxx_chip *chip);
+void mv88e6xxx_g2_irq_free(struct mv88e6xxx_chip *chip);
#else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
@@ -83,6 +85,15 @@ static inline int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip)
return -EOPNOTSUPP;
}
+static inline int mv88e6xxx_g2_irq_setup(struct mv88e6xxx_chip *chip)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline void mv88e6xxx_g2_irq_free(struct mv88e6xxx_chip *chip)
+{
+}
+
#endif /* CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
#endif /* _MV88E6XXX_GLOBAL2_H */
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index e572121c196e..6f48e5886b2a 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -13,6 +13,7 @@
#define __MV88E6XXX_H
#include <linux/if_vlan.h>
+#include <linux/irq.h>
#include <linux/gpio/consumer.h>
#ifndef UINT64_MAX
@@ -167,6 +168,15 @@
#define GLOBAL_STATUS_PPU_INITIALIZING (0x1 << 14)
#define GLOBAL_STATUS_PPU_DISABLED (0x2 << 14)
#define GLOBAL_STATUS_PPU_POLLING (0x3 << 14)
+#define GLOBAL_STATUS_IRQ_AVB 8
+#define GLOBAL_STATUS_IRQ_DEVICE 7
+#define GLOBAL_STATUS_IRQ_STATS 6
+#define GLOBAL_STATUS_IRQ_VTU_PROBLEM 5
+#define GLOBAL_STATUS_IRQ_VTU_DONE 4
+#define GLOBAL_STATUS_IRQ_ATU_PROBLEM 3
+#define GLOBAL_STATUS_IRQ_ATU_DONE 2
+#define GLOBAL_STATUS_IRQ_TCAM_DONE 1
+#define GLOBAL_STATUS_IRQ_EEPROM_DONE 0
#define GLOBAL_MAC_01 0x01
#define GLOBAL_MAC_23 0x02
#define GLOBAL_MAC_45 0x03
@@ -417,6 +427,7 @@ enum mv88e6xxx_cap {
* The device contains a second set of global 16-bit registers.
*/
MV88E6XXX_CAP_GLOBAL2,
+ MV88E6XXX_CAP_G2_INT, /* (0x00) Interrupt Status */
MV88E6XXX_CAP_G2_MGMT_EN_2X, /* (0x02) MGMT Enable Register 2x */
MV88E6XXX_CAP_G2_MGMT_EN_0X, /* (0x03) MGMT Enable Register 0x */
MV88E6XXX_CAP_G2_IRL_CMD, /* (0x09) Ingress Rate Command */
@@ -464,6 +475,7 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAG_G1_VTU_FID BIT_ULL(MV88E6XXX_CAP_G1_VTU_FID)
#define MV88E6XXX_FLAG_GLOBAL2 BIT_ULL(MV88E6XXX_CAP_GLOBAL2)
+#define MV88E6XXX_FLAG_G2_INT BIT_ULL(MV88E6XXX_CAP_G2_INT)
#define MV88E6XXX_FLAG_G2_MGMT_EN_2X BIT_ULL(MV88E6XXX_CAP_G2_MGMT_EN_2X)
#define MV88E6XXX_FLAG_G2_MGMT_EN_0X BIT_ULL(MV88E6XXX_CAP_G2_MGMT_EN_0X)
#define MV88E6XXX_FLAG_G2_IRL_CMD BIT_ULL(MV88E6XXX_CAP_G2_IRL_CMD)
@@ -524,6 +536,7 @@ enum mv88e6xxx_cap {
(MV88E6XXX_FLAG_G1_ATU_FID | \
MV88E6XXX_FLAG_G1_VTU_FID | \
MV88E6XXX_FLAG_GLOBAL2 | \
+ MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
@@ -536,6 +549,7 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAGS_FAMILY_6185 \
(MV88E6XXX_FLAG_GLOBAL2 | \
+ MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAGS_MULTI_CHIP | \
MV88E6XXX_FLAG_PPU | \
@@ -561,6 +575,7 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G1_ATU_FID | \
MV88E6XXX_FLAG_G1_VTU_FID | \
MV88E6XXX_FLAG_GLOBAL2 | \
+ MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
@@ -578,6 +593,7 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G1_ATU_FID | \
MV88E6XXX_FLAG_G1_VTU_FID | \
MV88E6XXX_FLAG_GLOBAL2 | \
+ MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
@@ -602,6 +618,7 @@ struct mv88e6xxx_info {
unsigned int port_base_addr;
unsigned int global1_addr;
unsigned int age_time_coeff;
+ unsigned int g1_irqs;
unsigned long long flags;
const struct mv88e6xxx_ops *ops;
};
@@ -628,6 +645,13 @@ struct mv88e6xxx_priv_port {
struct net_device *bridge_dev;
};
+struct mv88e6xxx_irq {
+ u16 masked;
+ struct irq_chip chip;
+ struct irq_domain *domain;
+ unsigned int nirqs;
+};
+
struct mv88e6xxx_chip {
const struct mv88e6xxx_info *info;
@@ -677,6 +701,13 @@ struct mv88e6xxx_chip {
/* And the MDIO bus itself */
struct mii_bus *mdio_bus;
+
+ /* There can be two interrupt controllers, which are chained
+ * off a GPIO as interrupt source
+ */
+ struct mv88e6xxx_irq g1_irq;
+ struct mv88e6xxx_irq g2_irq;
+ int irq;
};
struct mv88e6xxx_bus_ops {
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-19 15:31:39 +0000