net/macb: Add support for Gigabit Ethernet mode

Add Gigabit Ethernet mode to GEM cadence IP and enable RGMII connection.

Signed-off-by: Patrice Vilchez <patrice.vilchez@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index a3627517ec95..33a050f85ddf 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -149,6 +149,8 @@
 #define MACB_IRXFCS_SIZE                        1
 
 /* GEM specific NCFGR bitfields. */
+#define GEM_GBE_OFFSET                          10
+#define GEM_GBE_SIZE                            1
 #define GEM_CLK_OFFSET                          18
 #define GEM_CLK_SIZE                            3
 #define GEM_DBW_OFFSET                          21
@@ -252,6 +254,8 @@
 /* Bitfields in USRIO (AT91) */
 #define MACB_RMII_OFFSET                        0
 #define MACB_RMII_SIZE                          1
+#define GEM_RGMII_OFFSET                        0       /* GEM gigabit mode */
+#define GEM_RGMII_SIZE                          1
 #define MACB_CLKEN_OFFSET                       1
 #define MACB_CLKEN_SIZE                         1