diff options
Diffstat (limited to 'drivers/net/davinci_emac.c')
| -rw-r--r-- | drivers/net/davinci_emac.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index ca457b8..c591773 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -108,26 +108,6 @@ static u_int8_t num_phy; phy_t phy[CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT]; -static inline void davinci_flush_rx_descs(void) -{ - /* flush the whole RX descs area */ - flush_dcache_range(EMAC_WRAPPER_RAM_ADDR + EMAC_RX_DESC_BASE, - EMAC_WRAPPER_RAM_ADDR + EMAC_TX_DESC_BASE); -} - -static inline void davinci_invalidate_rx_descs(void) -{ - /* invalidate the whole RX descs area */ - invalidate_dcache_range(EMAC_WRAPPER_RAM_ADDR + EMAC_RX_DESC_BASE, - EMAC_WRAPPER_RAM_ADDR + EMAC_TX_DESC_BASE); -} - -static inline void davinci_flush_desc(emac_desc *desc) -{ - flush_dcache_range((unsigned long)desc, - (unsigned long)desc + sizeof(*desc)); -} - static int davinci_eth_set_mac_addr(struct eth_device *dev) { unsigned long mac_hi; @@ -496,8 +476,6 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis) emac_rx_active_tail = rx_desc; emac_rx_queue_active = 1; - davinci_flush_rx_descs(); - /* Enable TX/RX */ writel(EMAC_MAX_ETHERNET_PKT_SIZE, &adap_emac->RXMAXLEN); writel(0, &adap_emac->RXBUFFEROFFSET); @@ -660,7 +638,6 @@ static int davinci_eth_send_packet (struct eth_device *dev, flush_dcache_range((unsigned long)packet, (unsigned long)packet + length); - davinci_flush_desc(emac_tx_desc); /* Send the packet */ writel(BD_TO_HW((unsigned long)emac_tx_desc), &adap_emac->TX0HDP); @@ -694,8 +671,6 @@ static int davinci_eth_rcv_packet (struct eth_device *dev) volatile emac_desc *tail_desc; int status, ret = -1; - davinci_invalidate_rx_descs(); - rx_curr_desc = emac_rx_active_head; if (!rx_curr_desc) return 0; @@ -734,7 +709,6 @@ static int davinci_eth_rcv_packet (struct eth_device *dev) rx_curr_desc->buff_off_len = EMAC_MAX_ETHERNET_PKT_SIZE; rx_curr_desc->pkt_flag_len = EMAC_CPPI_OWNERSHIP_BIT; rx_curr_desc->next = 0; - davinci_flush_desc(rx_curr_desc); if (emac_rx_active_head == 0) { printf ("INFO: emac_rcv_pkt: active queue head = 0\n"); @@ -752,13 +726,11 @@ static int davinci_eth_rcv_packet (struct eth_device *dev) tail_desc->next = BD_TO_HW((ulong) curr_desc); status = tail_desc->pkt_flag_len; if (status & EMAC_CPPI_EOQ_BIT) { - davinci_flush_desc(tail_desc); writel(BD_TO_HW((ulong)curr_desc), &adap_emac->RX0HDP); status &= ~EMAC_CPPI_EOQ_BIT; tail_desc->pkt_flag_len = status; } - davinci_flush_desc(tail_desc); } return (ret); } |