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path: root/drivers/net/ethernet/amd/au1000_eth.c
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Diffstat (limited to 'drivers/net/ethernet/amd/au1000_eth.c')
-rw-r--r--drivers/net/ethernet/amd/au1000_eth.c48
1 files changed, 36 insertions, 12 deletions
diff --git a/drivers/net/ethernet/amd/au1000_eth.c b/drivers/net/ethernet/amd/au1000_eth.c
index 82386677bb8..4865ff14beb 100644
--- a/drivers/net/ethernet/amd/au1000_eth.c
+++ b/drivers/net/ethernet/amd/au1000_eth.c
@@ -541,19 +541,17 @@ static void au1000_reset_mac(struct net_device *dev)
* these are not descriptors sitting in memory.
*/
static void
-au1000_setup_hw_rings(struct au1000_private *aup, u32 rx_base, u32 tx_base)
+au1000_setup_hw_rings(struct au1000_private *aup, void __iomem *tx_base)
{
int i;
for (i = 0; i < NUM_RX_DMA; i++) {
- aup->rx_dma_ring[i] =
- (struct rx_dma *)
- (rx_base + sizeof(struct rx_dma)*i);
+ aup->rx_dma_ring[i] = (struct rx_dma *)
+ (tx_base + 0x100 + sizeof(struct rx_dma) * i);
}
for (i = 0; i < NUM_TX_DMA; i++) {
- aup->tx_dma_ring[i] =
- (struct tx_dma *)
- (tx_base + sizeof(struct tx_dma)*i);
+ aup->tx_dma_ring[i] = (struct tx_dma *)
+ (tx_base + sizeof(struct tx_dma) * i);
}
}
@@ -1026,7 +1024,7 @@ static int __devinit au1000_probe(struct platform_device *pdev)
struct net_device *dev = NULL;
struct db_dest *pDB, *pDBfree;
int irq, i, err = 0;
- struct resource *base, *macen;
+ struct resource *base, *macen, *macdma;
base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!base) {
@@ -1049,6 +1047,13 @@ static int __devinit au1000_probe(struct platform_device *pdev)
goto out;
}
+ macdma = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+ if (!macdma) {
+ dev_err(&pdev->dev, "failed to retrieve MACDMA registers\n");
+ err = -ENODEV;
+ goto out;
+ }
+
if (!request_mem_region(base->start, resource_size(base),
pdev->name)) {
dev_err(&pdev->dev, "failed to request memory region for base registers\n");
@@ -1063,6 +1068,13 @@ static int __devinit au1000_probe(struct platform_device *pdev)
goto err_request;
}
+ if (!request_mem_region(macdma->start, resource_size(macdma),
+ pdev->name)) {
+ dev_err(&pdev->dev, "failed to request MACDMA memory region\n");
+ err = -ENXIO;
+ goto err_macdma;
+ }
+
dev = alloc_etherdev(sizeof(struct au1000_private));
if (!dev) {
dev_err(&pdev->dev, "alloc_etherdev failed\n");
@@ -1109,10 +1121,14 @@ static int __devinit au1000_probe(struct platform_device *pdev)
}
aup->mac_id = pdev->id;
- if (pdev->id == 0)
- au1000_setup_hw_rings(aup, MAC0_RX_DMA_ADDR, MAC0_TX_DMA_ADDR);
- else if (pdev->id == 1)
- au1000_setup_hw_rings(aup, MAC1_RX_DMA_ADDR, MAC1_TX_DMA_ADDR);
+ aup->macdma = ioremap_nocache(macdma->start, resource_size(macdma));
+ if (!aup->macdma) {
+ dev_err(&pdev->dev, "failed to ioremap MACDMA registers\n");
+ err = -ENXIO;
+ goto err_remap3;
+ }
+
+ au1000_setup_hw_rings(aup, aup->macdma);
/* set a random MAC now in case platform_data doesn't provide one */
random_ether_addr(dev->dev_addr);
@@ -1252,6 +1268,8 @@ err_out:
err_mdiobus_reg:
mdiobus_free(aup->mii_bus);
err_mdiobus_alloc:
+ iounmap(aup->macdma);
+err_remap3:
iounmap(aup->enable);
err_remap2:
iounmap(aup->mac);
@@ -1261,6 +1279,8 @@ err_remap1:
err_vaddr:
free_netdev(dev);
err_alloc:
+ release_mem_region(macdma->start, resource_size(macdma));
+err_macdma:
release_mem_region(macen->start, resource_size(macen));
err_request:
release_mem_region(base->start, resource_size(base));
@@ -1293,9 +1313,13 @@ static int __devexit au1000_remove(struct platform_device *pdev)
(NUM_TX_BUFFS + NUM_RX_BUFFS),
(void *)aup->vaddr, aup->dma_addr);
+ iounmap(aup->macdma);
iounmap(aup->mac);
iounmap(aup->enable);
+ base = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+ release_mem_region(base->start, resource_size(base));
+
base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(base->start, resource_size(base));