package/boot/uboot-mvebu/patches/0002-clearfog-reset-usom-onboard-1512-phy.patch

   1 From 98848106b9558244ae36a85229caabcdb57d0f7b Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jonas.gorski@gmail.com>
   3 Date: Fri, 23 Sep 2016 13:58:14 +0200
   4 Subject: [PATCH 2/4] clearfog: reset usom onboard 1512 phy
   5
   6 Use GPIO19 which is wired to the uSOM phy reset signal in order to reset
   7 the uSOM's 88E81512 gigabit Ethernet phy.
   8
   9 This GPIO is valid on ClearFog rev 2.1 and newer.
  10
  11 Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
  12 [jonas.gorski: adapted to upstream u-boot code]
  13 Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
  14 ---
  15  board/solidrun/clearfog/clearfog.c | 4 ++++
  16  1 file changed, 4 insertions(+)
  17
  18 diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c
  19 index 2773f5957e..3a8257cac3 100644
  20 --- a/board/solidrun/clearfog/clearfog.c
  21 +++ b/board/solidrun/clearfog/clearfog.c
  22 @@ -131,8 +131,12 @@ int board_init(void)
  23         /* Toggle GPIO41 to reset onboard switch and phy */
  24         clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
  25         clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9));
  26 +       /* GPIO 19 on ClearFog rev 2.1 controls the uSOM onboard phy reset */
  27 +       clrbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19));
  28 +       clrbits_le32(MVEBU_GPIO0_BASE + 0x4, BIT(19));
  29         mdelay(1);
  30         setbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
  31 +       setbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19));
  32         mdelay(10);
  33
  34         /* Init I2C IO expanders */
  35 --
  36 2.12.2
  37