nds32: ftmac100: support cache enable.

Add cache inval and flush when rx and tx.

Signed-off-by: rick <rick@andestech.com>

diff --git a/drivers/net/ftmac100.c b/drivers/net/ftmac100.c
index f231e6b33bc97b4fe8fd85a1cd4d412e770a5b75..4e45f00b3d28d287e24b396ab57f26c792ab8d98 100644 (file)
--- a/drivers/net/ftmac100.c
+++ b/drivers/net/ftmac100.c
@@ -79,7 +79,6 @@ static int _ftmac100_init(struct ftmac100_data *priv, unsigned char enetaddr[6])
        struct ftmac100_rxdes *rxdes = priv->rxdes;
        unsigned int maccr;
        int i;
-
        debug ("%s()\n", __func__);
 
        ftmac100_reset(priv);
@@ -156,7 +155,6 @@ static int __ftmac100_recv(struct ftmac100_data *priv)
        unsigned short rxlen;
 
        curr_des = &priv->rxdes[priv->rx_index];
-
        if (curr_des->rxdes0 & FTMAC100_RXDES0_RXDMA_OWN)
                return 0;
 
@@ -169,7 +167,7 @@ static int __ftmac100_recv(struct ftmac100_data *priv)
        }
 
        rxlen = FTMAC100_RXDES0_RFL (curr_des->rxdes0);
-
+       invalidate_dcache_range(curr_des->rxdes2,curr_des->rxdes2+rxlen);
        debug ("%s(): RX buffer %d, %x received\n",
               __func__, priv->rx_index, rxlen);
 
@@ -196,6 +194,7 @@ static int _ftmac100_send(struct ftmac100_data *priv, void *packet, int length)
 
        /* initiate a transmit sequence */
 
+       flush_dcache_range((u32)packet,(u32)packet+length);
        curr_des->txdes2 = (unsigned int)packet;        /* TXBUF_BADR */
 
        curr_des->txdes1 &= FTMAC100_TXDES1_EDOTR;