[U-Boot] [PATCH v3 rebase 7/8] mvgbe: enable configurability of PORT_SERIAL_CONTROL_VALUE

[Valentin Longchamp]

This allows this configuration to be defined differently for some
boards that request it.

Signed-off-by: Valentin Longchamp <valentin.longchamp at keymile.com>
cc: Holger Brunck <holger.brunck at keymile.com>
cc: Heiko Schocher <hs at denx.de>
cc: Wolfgang Denk <wd at denx.de>
cc: Detlev Zundel <dzu at denx.de>
cc: Prafulla Wadaskar <prafulla at marvell.com>
---
 drivers/net/mvgbe.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/net/mvgbe.h b/drivers/net/mvgbe.h
index 3de98d0..d8a5429 100644
--- a/drivers/net/mvgbe.h
+++ b/drivers/net/mvgbe.h
@@ -84,6 +84,7 @@
 	MVGBE_TX_BURST_SIZE_16_64BIT)
 
 /* Default port serial control value */
+#ifndef PORT_SERIAL_CONTROL_VALUE
 #define PORT_SERIAL_CONTROL_VALUE		( \
 	MVGBE_FORCE_LINK_PASS			| \
 	MVGBE_DIS_AUTO_NEG_FOR_DUPLX		| \
@@ -101,6 +102,7 @@
 	MVGBE_CLR_EXT_LOOPBACK			| \
 	MVGBE_SET_FULL_DUPLEX_MODE		| \
 	MVGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX)
+#endif
 
 /* Tx WRR confoguration macros */
 #define PORT_MAX_TRAN_UNIT	0x24	/* MTU register (default) 9KByte */
-- 
1.7.0.5