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authorJonas Gorski <jonas.gorski@gmail.com>2016-09-24 12:36:34 +0200
committerJonas Gorski <jonas.gorski@gmail.com>2016-09-26 13:03:58 +0200
commit92dcaecee3ee1d05aa2c174fe7b159fcb4d97726 (patch)
tree9a76205aa7aaf2775028f4c08a54c5ed0f9eeb2b /target/linux/generic/files/drivers
parentf2102b484ba17bcfcf3f1cff4f19c077431c25cf (diff)
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mvsw61xx: reset phys on probe to enable switch ports on clearfog pro
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>
Diffstat (limited to 'target/linux/generic/files/drivers')
-rw-r--r--target/linux/generic/files/drivers/net/phy/mvsw61xx.c45
-rw-r--r--target/linux/generic/files/drivers/net/phy/mvsw61xx.h10
2 files changed, 54 insertions, 1 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/mvsw61xx.c b/target/linux/generic/files/drivers/net/phy/mvsw61xx.c
index 4d6dfc52cd..e6074e35f3 100644
--- a/target/linux/generic/files/drivers/net/phy/mvsw61xx.c
+++ b/target/linux/generic/files/drivers/net/phy/mvsw61xx.c
@@ -148,6 +148,31 @@ mvsw61xx_wait_mask_s(struct switch_dev *dev, int addr,
}
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;
diff --git a/target/linux/generic/files/drivers/net/phy/mvsw61xx.h b/target/linux/generic/files/drivers/net/phy/mvsw61xx.h
index ae78f5769d..64db6d3aab 100644
--- a/target/linux/generic/files/drivers/net/phy/mvsw61xx.h
+++ b/target/linux/generic/files/drivers/net/phy/mvsw61xx.h
@@ -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;