net/fman: add a fm_enable_port function

This can be useful if one wants to disable an interface in u-boot
because u-boot should not manage it but then later reenable it for FDT
fixing or if the kernel uses this interface.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
[York Sun: fix conflict in fm_eth.h]
Acked-by: York Sun <yorksun@freescale.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/fm/t4240.c b/drivers/net/fm/t4240.c
index 6253f22..1eacb22 100644
--- a/drivers/net/fm/t4240.c
+++ b/drivers/net/fm/t4240.c
@@ -49,6 +49,13 @@ void fman_disable_port(enum fm_port port)
 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
 }
 
+void fman_enable_port(enum fm_port port)
+{
+	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
+}
+
 phy_interface_t fman_port_enet_if(enum fm_port port)
 {
 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);