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Fix Auto-negotiation

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Commit 7f4c276 used the wrong MMD device
for use with the auto-negotiation page:
- phy_write(port, PHY_MMD_AN, 0x00, 0x3200);	// Restart AN
+ phy_write(port, PHY_MMD31, PHY_ANEG_CTRL, 0x3200);	// Restart AN

Fix this.
This commit is contained in:
logicog
2026-02-08 16:46:56 +01:00
parent 708b6b7f28
commit d83f91f9e8
1 changed files with 7 additions and 7 deletions
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rtl837x_phy.c
+7 -7
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@@ -210,10 +210,10 @@ void phy_set_speed(void) __banked
phy_write(phy_settings.port, PHY_MMD_AN, PHY_ANEG_MGBASE_CTRL, 0x6081);
// GBCR (1000Base-T Control Register, MMD 31.0xA412)
phy_modify(phy_settings.port, PHY_MMD31, PHY_MMD31_GBCR, 0x0000, 0x0200); // Loop timing enabled
phy_write(phy_settings.port, PHY_MMD31, PHY_ANEG_CTRL, 0x3200); // Restart AN
phy_write(phy_settings.port, PHY_MMD_AN, PHY_ANEG_CTRL, 0x3200); // Restart AN
} else {
// AN Control Register (MMD 7.0x0000)
phy_write(phy_settings.port, PHY_MMD31, PHY_ANEG_CTRL, 0x2000); // Clear bit 12: No Autoneg, Set Extended Pages (bit 13)
phy_write(phy_settings.port, PHY_MMD_AN, PHY_ANEG_CTRL, 0x2000); // Clear bit 12: No Autoneg, Set Extended Pages (bit 13)
if (phy_settings.speed == PHY_SPEED_10M) {
phy_write(phy_settings.port, PHY_MMD_AN, PHY_ANEG_MGBASE_CTRL, 0x6001);
if (!phy_settings.duplex)
@@ -250,7 +250,7 @@ void phy_set_speed(void) __banked
phy_modify(phy_settings.port, PHY_MMD31, PHY_MMD31_GBCR, 0x0200, 0x0000);
}
}
phy_write(phy_settings.port, PHY_MMD31, PHY_ANEG_CTRL, 0x3000); // Enable AN
phy_write(phy_settings.port, PHY_MMD_AN, PHY_ANEG_CTRL, 0x3000); // Enable AN
}
}
@@ -258,7 +258,7 @@ void phy_set_speed(void) __banked
void phy_set_duplex(void) __banked
{
uint16_t v;
phy_read(phy_settings.port, PHY_MMD31, PHY_ANEG_CTRL);
phy_read(phy_settings.port, PHY_MMD_AN, PHY_ANEG_CTRL);
v = SFR_DATA_U16;
if (!(v & 0x1000)) { // AN disabled, we are in forced mode
phy_read(phy_settings.port, PHY_MMD31, PHY_MMD31_FEDCR);
@@ -271,7 +271,7 @@ void phy_set_duplex(void) __banked
return;
}
// Disable AN
phy_write(phy_settings.port, PHY_MMD31, PHY_ANEG_CTRL, 0x2000);
phy_write(phy_settings.port, PHY_MMD_AN, PHY_ANEG_CTRL, 0x2000);
phy_read(phy_settings.port, PHY_MMD_AN, PHY_ANEG_ADV);
v = SFR_DATA_U16;
if (v & 0x0060) {
@@ -287,7 +287,7 @@ void phy_set_duplex(void) __banked
phy_modify(phy_settings.port, PHY_MMD_AN, PHY_ANEG_ADV, 0xff7f, 0x0080);
}
// Restart AN
phy_write(phy_settings.port, PHY_MMD31, PHY_ANEG_CTRL, 0x3000);
phy_write(phy_settings.port, PHY_MMD_AN, PHY_ANEG_CTRL, 0x3000);
}
@@ -329,7 +329,7 @@ void phy_show(uint8_t port) __banked
else
print_string(" half duplex");
phy_read(port, PHY_MMD31, PHY_ANEG_CTRL);
phy_read(port, PHY_MMD_AN, PHY_ANEG_CTRL);
v = SFR_DATA_U16;
if (!(v & 0x1000)) { // AN disabled, we are in forced mode
phy_read(port, PHY_MMD_PMAPMD, 0);