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- From 15d52c4067b8d8a1d7a002aec41c5e6c0a8678cd Mon Sep 17 00:00:00 2001
- From: Jonas Gorski <jonas.gorski@gmail.com>
- Date: Fri, 23 Sep 2016 13:58:14 +0200
- Subject: [PATCH] clearfog: reset usom onboard 1512 phy
- Use GPIO19 which is wired to the uSOM phy reset signal in order to reset
- the uSOM's 88E81512 gigabit Ethernet phy.
- This GPIO is valid on ClearFog rev 2.1 and newer.
- Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
- [jonas.gorski: adapted to upstream u-boot code]
- Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
- ---
- board/solidrun/clearfog/clearfog.c | 4 ++++
- 1 file changed, 4 insertions(+)
- --- a/board/solidrun/clearfog/clearfog.c
- +++ b/board/solidrun/clearfog/clearfog.c
- @@ -131,8 +131,12 @@ int board_init(void)
- /* Toggle GPIO41 to reset onboard switch and phy */
- clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
- clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9));
- + /* GPIO 19 on ClearFog rev 2.1 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_GPIO1_BASE + 0x0, BIT(9));
- + setbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19));
- mdelay(10);
-
- /* Init I2C IO expanders */
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