Configure blinking on ethernet PHY LEDs on the MOX A board when entering rescue mode via reset button.
Signed-off-by: Marek Behún marek.behun@nic.cz --- board/CZ.NIC/turris_mox/turris_mox.c | 35 ++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/board/CZ.NIC/turris_mox/turris_mox.c b/board/CZ.NIC/turris_mox/turris_mox.c index a78f33661e..44c272c7cb 100644 --- a/board/CZ.NIC/turris_mox/turris_mox.c +++ b/board/CZ.NIC/turris_mox/turris_mox.c @@ -377,6 +377,38 @@ int misc_init_r(void) return 0; }
+static void mox_phy_modify(struct phy_device *phydev, int page, int reg, + u16 mask, u16 set) +{ + int val; + + val = phydev->drv->readext(phydev, MDIO_DEVAD_NONE, page, reg); + val &= ~mask; + val |= set; + phydev->drv->writeext(phydev, MDIO_DEVAD_NONE, page, reg, val); +} + +static void mox_phy_leds_start_blinking(void) +{ + struct phy_device *phydev; + struct mii_dev *bus; + + bus = miiphy_get_dev_by_name("neta@30000"); + if (!bus) { + printf("Cannot get MDIO bus device!\n"); + return; + } + + phydev = phy_find_by_mask(bus, BIT(1), PHY_INTERFACE_MODE_RGMII); + if (!phydev) { + printf("Cannot get ethernet PHY!\n"); + return; + } + + mox_phy_modify(phydev, 3, 0x12, 0x700, 0x400); + mox_phy_modify(phydev, 3, 0x10, 0xff, 0xbb); +} + static bool read_reset_button(void) { struct udevice *button, *led; @@ -424,6 +456,9 @@ static void handle_reset_button(void) /* Ensure bootcmd_rescue is used by distroboot */ env_set("boot_targets", "rescue");
+ /* start blinking PHY LEDs */ + mox_phy_leds_start_blinking(); + printf("RESET button was pressed, overwriting boot_targets!\n"); } else { /*