Similar to Clearfog rev 2.1, GPIO 19 also used to reset onboard ethernet PHY.
Signed-off-by: Aditya Prayoga aditya@kobol.io --- board/kobol/helios4/helios4.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/board/kobol/helios4/helios4.c b/board/kobol/helios4/helios4.c index 37c46a5..7c1a7a8 100644 --- a/board/kobol/helios4/helios4.c +++ b/board/kobol/helios4/helios4.c @@ -114,6 +114,13 @@ int board_init(void) /* Address of boot parameters */ gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+ /* GPIO 19 controls the uSOM onboard phy reset */ + clrbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19)); + clrbits_le32(MVEBU_GPIO0_BASE + 0x4, BIT(19)); + mdelay(1); + setbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19)); + mdelay(10); + return 0; }