diff options
| -rw-r--r-- | drivers/net/pch_gbe.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/pch_gbe.c b/drivers/net/pch_gbe.c index 14323512b0..8866f6632f 100644 --- a/drivers/net/pch_gbe.c +++ b/drivers/net/pch_gbe.c @@ -120,6 +120,8 @@ static void pch_gbe_rx_descs_init(struct udevice *dev) rx_desc[i].buffer_addr = dm_pci_virt_to_mem(priv->dev, priv->rx_buff[i]); + flush_dcache_range((ulong)rx_desc, (ulong)&rx_desc[PCH_GBE_DESC_NUM]); + writel(dm_pci_virt_to_mem(priv->dev, rx_desc), &mac_regs->rx_dsc_base); writel(sizeof(struct pch_gbe_rx_desc) * (PCH_GBE_DESC_NUM - 1), @@ -137,6 +139,8 @@ static void pch_gbe_tx_descs_init(struct udevice *dev) memset(tx_desc, 0, sizeof(struct pch_gbe_tx_desc) * PCH_GBE_DESC_NUM); + flush_dcache_range((ulong)tx_desc, (ulong)&tx_desc[PCH_GBE_DESC_NUM]); + writel(dm_pci_virt_to_mem(priv->dev, tx_desc), &mac_regs->tx_dsc_base); writel(sizeof(struct pch_gbe_tx_desc) * (PCH_GBE_DESC_NUM - 1), @@ -245,6 +249,8 @@ static int pch_gbe_send(struct udevice *dev, void *packet, int length) u32 int_st; ulong start; + flush_dcache_range((ulong)packet, (ulong)packet + length); + tx_head = &priv->tx_desc[0]; tx_desc = &priv->tx_desc[priv->tx_idx]; @@ -258,6 +264,8 @@ static int pch_gbe_send(struct udevice *dev, void *packet, int length) tx_desc->dma_status = 0; tx_desc->gbec_status = 0; + flush_dcache_range((ulong)tx_desc, (ulong)&tx_desc[1]); + /* Test the wrap-around condition */ if (++priv->tx_idx >= PCH_GBE_DESC_NUM) priv->tx_idx = 0; @@ -295,8 +303,12 @@ static int pch_gbe_recv(struct udevice *dev, int flags, uchar **packetp) if (virt_to_phys(rx_desc) == hw_desc) return -EAGAIN; + /* Invalidate the descriptor */ + invalidate_dcache_range((ulong)rx_desc, (ulong)&rx_desc[1]); + length = rx_desc->rx_words_eob - 3 - ETH_FCS_LEN; buffer = dm_pci_mem_to_virt(priv->dev, rx_desc->buffer_addr, length, 0); + invalidate_dcache_range((ulong)buffer, (ulong)buffer + length); *packetp = (uchar *)buffer; return length; |