sky2: support Yukon EC_U rev B1 and later

Need to change logic to support later versions of Yukon 2 EC_U chip.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index d8ec4c11fd49..4b403bd7870d 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -877,6 +877,10 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
         if (hw->dev[port]->mtu > ETH_DATA_LEN)
                 reg |= GM_SMOD_JUMBO_ENA;
 
+        if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
+            hw->chip_rev == CHIP_REV_YU_EC_U_B1)
+                reg |= GM_NEW_FLOW_CTRL;
+
         gma_write16(hw, port, GM_SERIAL_MODE, reg);
 
         /* virtual address for data */
@@ -1413,8 +1417,7 @@ static void sky2_rx_start(struct sky2_port *sky2)
         /* These chips have no ram buffer?
          * MAC Rx RAM Read is controlled by hardware */
         if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
-            (hw->chip_rev == CHIP_REV_YU_EC_U_A1 ||
-             hw->chip_rev == CHIP_REV_YU_EC_U_B0))
+            hw->chip_rev > CHIP_REV_YU_EC_U_A0)
                 sky2_write32(hw, Q_ADDR(rxq, Q_TEST), F_M_RX_RAM_DIS);
 
         sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1);