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mvsw61xx: reset phys on probe to enable switch ports on clearfog pro

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The clearfog u-boot does not initialize the switch at all, so we need to
power up the phys ourselves.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Jonas Gorski 2016-09-24 12:36:34 +02:00
parent f2102b484b
commit 92dcaecee3
2 changed files with 54 additions and 1 deletions
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45
target/linux/generic/files/drivers/net/phy/mvsw61xx.c
View file

@ -147,6 +147,31 @@ mvsw61xx_wait_mask_s(struct switch_dev *dev, int addr,
return -ETIMEDOUT;
}
static int
mvsw61xx_mdio_read(struct switch_dev *dev, int addr, int reg)
{
sw16(dev, MV_GLOBAL2REG(SMI_OP),
MV_INDIRECT_READ | (addr << MV_INDIRECT_ADDR_S) | reg);
if (mvsw61xx_wait_mask_s(dev, MV_GLOBAL2REG(SMI_OP),
MV_INDIRECT_INPROGRESS, 0) < 0)
return -ETIMEDOUT;
return sr16(dev, MV_GLOBAL2REG(SMI_DATA));
}
static int
mvsw61xx_mdio_write(struct switch_dev *dev, int addr, int reg, u16 val)
{
sw16(dev, MV_GLOBAL2REG(SMI_DATA), val);
sw16(dev, MV_GLOBAL2REG(SMI_OP),
MV_INDIRECT_WRITE | (addr << MV_INDIRECT_ADDR_S) | reg);
return mvsw61xx_wait_mask_s(dev, MV_GLOBAL2REG(SMI_OP),
MV_INDIRECT_INPROGRESS, 0) < 0;
}
static int
mvsw61xx_get_port_mask(struct switch_dev *dev,
const struct switch_attr *attr, struct switch_val *val)
@ -566,7 +591,7 @@ static int mvsw61xx_apply(struct switch_dev *dev)
return mvsw61xx_update_state(dev);
}
static int mvsw61xx_reset(struct switch_dev *dev)
static int _mvsw61xx_reset(struct switch_dev *dev, bool full)
{
struct mvsw61xx_state *state = get_state(dev);
int i;
@ -599,6 +624,17 @@ static int mvsw61xx_reset(struct switch_dev *dev)
/* Set port association vector */
sw16(dev, MV_PORTREG(ASSOC, i), (1 << i));
/* power up phys */
if (full && i < 5) {
mvsw61xx_mdio_write(dev, i, MII_MV_SPEC_CTRL,
MV_SPEC_MDI_CROSS_AUTO |
MV_SPEC_ENERGY_DETECT |
MV_SPEC_DOWNSHIFT_COUNTER);
mvsw61xx_mdio_write(dev, i, MII_BMCR, BMCR_RESET |
BMCR_ANENABLE | BMCR_FULLDPLX |
BMCR_SPEED1000);
}
}
for (i = 0; i < dev->vlans; i++) {
@ -623,6 +659,11 @@ static int mvsw61xx_reset(struct switch_dev *dev)
return 0;
}
static int mvsw61xx_reset(struct switch_dev *dev)
{
return _mvsw61xx_reset(dev, false);
}
enum {
MVSW61XX_ENABLE_VLAN,
};
@ -798,6 +839,8 @@ static int mvsw61xx_probe(struct platform_device *pdev)
state->dev.ops = &mvsw61xx_ops;
state->dev.alias = dev_name(&pdev->dev);
_mvsw61xx_reset(&state->dev, true);
err = register_switch(&state->dev, NULL);
if (err < 0)
goto out_err;

10
target/linux/generic/files/drivers/net/phy/mvsw61xx.h
View file

@ -162,6 +162,8 @@ enum {
#define MV_GLOBALREG(_type) MV_SWITCH_GLOBAL, MV_GLOBAL_##_type
enum {
MV_GLOBAL2_SMI_OP = 0x18,
MV_GLOBAL2_SMI_DATA = 0x19,
MV_GLOBAL2_SDET_POLARITY = 0x1d,
};
#define MV_GLOBAL2REG(_type) MV_SWITCH_GLOBAL2, MV_GLOBAL2_##_type
@ -229,6 +231,14 @@ enum {
#define MV_FDB_HI_SHIFT 4
#define MV_FDB_LO_SHIFT 12
/* Marvell Specific PHY register */
#define MII_MV_SPEC_CTRL 16
enum {
MV_SPEC_MDI_CROSS_AUTO = (0x6 << 4),
MV_SPEC_ENERGY_DETECT = (0x3 << 8),
MV_SPEC_DOWNSHIFT_COUNTER = (0x3 << 12),
};
struct mvsw61xx_state {
struct switch_dev dev;
struct mii_bus *bus;