diff options
Diffstat (limited to 'drivers/net/ethernet/amd/au1000_eth.c')
| -rw-r--r-- | drivers/net/ethernet/amd/au1000_eth.c | 48 |
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 82386677bb8c..4865ff14bebf 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)); |