Commit 45853413 authored by Marek Behún's avatar Marek Behún Committed by Stefan Roese
Browse files

arm: mvebu: turris_mox: start blinking PHY LEDs when entering rescue

Configure blinking on ethernet PHY LEDs on the MOX A board when entering
rescue mode via reset button.
Signed-off-by: default avatarMarek Behún <>
Reviewed-by: default avatarPali Rohár <>
Reviewed-by: Stefan Roese's avatarStefan Roese <>
parent ec3784d6
......@@ -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");
phydev = phy_find_by_mask(bus, BIT(1), PHY_INTERFACE_MODE_RGMII);
if (!phydev) {
printf("Cannot get ethernet PHY!\n");
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 */
printf("RESET button was pressed, overwriting boot_targets!\n");
} else {
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