package/boot/uboot-mvebu/patches/200-clearfog-reset-usom-onboard-1512-phy.patch

   1 From 15d52c4067b8d8a1d7a002aec41c5e6c0a8678cd 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] 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 --- a/board/solidrun/clearfog/clearfog.c
  19 +++ b/board/solidrun/clearfog/clearfog.c
  20 @@ -131,8 +131,12 @@ int board_init(void)
  21         /* Toggle GPIO41 to reset onboard switch and phy */
  22         clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
  23         clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9));
  24 +       /* GPIO 19 on ClearFog rev 2.1 controls the uSOM onboard phy reset */
  25 +       clrbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19));
  26 +       clrbits_le32(MVEBU_GPIO0_BASE + 0x4, BIT(19));
  27         mdelay(1);
  28         setbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
  29 +       setbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19));
  30         mdelay(10);
  31
  32         /* Init I2C IO expanders */