[U-Boot] [PATCH 4/7] sunxi: Add CONFIG_MACPWR option

Hans de Goede hdegoede at redhat.com
Sun Jul 27 23:25:20 CEST 2014


On some boards the phy needs to be powered up through a gpio, add support for
this.

Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
 arch/arm/cpu/armv7/sunxi/board.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
index 8f2cef3..f2cedbb 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -129,6 +129,11 @@ int cpu_eth_init(bd_t *bis)
 {
 	__maybe_unused int rc;
 
+#ifdef CONFIG_MACPWR
+	gpio_direction_output(CONFIG_MACPWR, 1);
+	mdelay(200);
+#endif
+
 #ifdef CONFIG_SUNXI_EMAC
 	rc = sunxi_emac_initialize(bis);
 	if (rc < 0) {
-- 
2.0.1



More information about the U-Boot mailing list