diff options
Diffstat (limited to 'package/boot/uboot-mvebu/patches/200-clearfog-reset-usom-onboard-1512-phy.patch')
| -rw-r--r-- | package/boot/uboot-mvebu/patches/200-clearfog-reset-usom-onboard-1512-phy.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/package/boot/uboot-mvebu/patches/200-clearfog-reset-usom-onboard-1512-phy.patch b/package/boot/uboot-mvebu/patches/200-clearfog-reset-usom-onboard-1512-phy.patch new file mode 100644 index 0000000000..3c470409ec --- /dev/null +++ b/package/boot/uboot-mvebu/patches/200-clearfog-reset-usom-onboard-1512-phy.patch @@ -0,0 +1,32 @@ +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 */ |