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| author | Marek Behún <marek.behun@nic.cz> | 2021-06-07 16:34:48 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2021-06-10 07:18:06 +0200 |
| commit | 45853413e2396e6a603d35e21d75712029a4cb19 (patch) | |
| tree | 6a72032da87f7dfeaade32e5d6b1421f8997ad62 | |
| parent | ec3784d62646c8f765310d564a3fc898d9945088 (diff) | |
| download | u-boot-45853413e2396e6a603d35e21d75712029a4cb19.tar.gz u-boot-45853413e2396e6a603d35e21d75712029a4cb19.tar.xz u-boot-45853413e2396e6a603d35e21d75712029a4cb19.zip | |
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: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
| -rw-r--r-- | board/CZ.NIC/turris_mox/turris_mox.c | 35 |
1 files changed, 35 insertions, 0 deletions
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 { /* |