Similar to Clearfog rev 2.1, GPIO 19 also used to reset onboard ethernet
PHY.
Signed-off-by: Aditya Prayoga <adi...@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;
}
--
2.7.4
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