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git://projects.qi-hardware.com/openwrt-xburst.git
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Isolate the PCI specific parts and group them under CONFIG_TULIP_PCI CONFIG_TULIP_PLATFORM can be enabled for a platform style Tulip driver. Signed-off-by: Florian Fainelli <florian@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34557 3c298f89-4303-0410-b956-a3cf2f4a3e73
452 lines
12 KiB
Diff
452 lines
12 KiB
Diff
--- a/drivers/net/ethernet/dec/tulip/Kconfig
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+++ b/drivers/net/ethernet/dec/tulip/Kconfig
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@@ -60,6 +60,14 @@ config TULIP_PCI
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To compile this driver as a module, choose M here. The module will
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be called tulip.
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+config TULIP_PLATFORM
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+ tristate "DECchip Tulip (dc2114x) Platform support"
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+ depends on HAS_IOMEM
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+ select TULIP
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+ select CRC32
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+ ---help---
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+ This driver is for the platform variant.
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+
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config TULIP_MWI
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bool "New bus configuration (EXPERIMENTAL)"
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depends on TULIP_PCI && EXPERIMENTAL
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--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
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+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
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@@ -27,6 +27,8 @@
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/etherdevice.h>
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+#include <linux/platform_device.h>
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+#include <linux/platform_data/tulip.h>
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#include <linux/delay.h>
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#include <linux/mii.h>
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#include <linux/crc32.h>
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@@ -204,6 +206,9 @@ struct tulip_chip_table tulip_tbl[] = {
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{ "Conexant LANfinity", 256, 0x0001ebef,
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HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task },
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+ { "Infineon ADM8668", 256, 0x0001a451,
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+ MC_HASH_ONLY | COMET_MAC_ADDR, tulip_timer, tulip_media_task, },
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+
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};
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#ifdef CONFIG_TULIP_PCI
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@@ -395,6 +400,7 @@ static void tulip_up(struct net_device *
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i = 0;
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if (tp->mtable == NULL)
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goto media_picked;
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+
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if (dev->if_port) {
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int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
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(dev->if_port == 12 ? 0 : dev->if_port);
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@@ -488,6 +494,10 @@ media_picked:
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iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
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dev->if_port = tp->mii_cnt ? 11 : 0;
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tp->csr6 = 0x00040000;
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+ } else if (tp->chip_id == ADM8668) {
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+ /* Enable automatic Tx underrun recovery. */
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+ iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
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+ tp->csr6 = 0x00040000;
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} else if (tp->chip_id == AX88140) {
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tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
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} else
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@@ -657,6 +667,10 @@ static void tulip_init_ring(struct net_d
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mapping = pci_map_single(tp->pdev, skb->data,
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PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ mapping = dma_map_single(&tp->pldev->dev, skb->data,
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+ PKT_BUF_SZ, DMA_FROM_DEVICE);
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+#endif
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tp->rx_buffers[i].mapping = mapping;
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skb->dev = dev; /* Mark as being used by this device. */
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tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
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@@ -694,6 +708,11 @@ tulip_start_xmit(struct sk_buff *skb, st
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mapping = pci_map_single(tp->pdev, skb->data,
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skb->len, PCI_DMA_TODEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ mapping = dma_map_single(&tp->pldev->dev, skb->data,
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+ skb->len,
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+ DMA_TO_DEVICE);
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+#endif
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tp->tx_buffers[entry].mapping = mapping;
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tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
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@@ -757,6 +776,11 @@ static void tulip_clean_tx_ring(struct t
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tp->tx_buffers[entry].skb->len,
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PCI_DMA_TODEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
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+ tp->tx_buffers[entry].skb->len,
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+ DMA_TO_DEVICE);
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+#endif
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/* Free the original skb. */
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dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
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@@ -834,6 +858,10 @@ static void tulip_free_ring (struct net_
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pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
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PCI_DMA_FROMDEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ,
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+ DMA_FROM_DEVICE);
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+#endif
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dev_kfree_skb (skb);
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}
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}
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@@ -846,6 +874,10 @@ static void tulip_free_ring (struct net_
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pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
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skb->len, PCI_DMA_TODEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping,
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+ skb->len, DMA_TO_DEVICE);
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+#endif
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dev_kfree_skb (skb);
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}
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tp->tx_buffers[i].skb = NULL;
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@@ -900,6 +932,9 @@ static void tulip_get_drvinfo(struct net
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#ifdef CONFIG_TULIP_PCI
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strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ strlcpy(info->bus_info, "platform", sizeof(info->bus_info));
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+#endif
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}
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@@ -915,6 +950,9 @@ static int tulip_ethtool_set_wol(struct
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#ifdef CONFIG_TULIP_PCI
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device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts);
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+#endif
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return 0;
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}
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@@ -1193,9 +1231,9 @@ static void set_rx_mode(struct net_devic
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}
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+#ifdef CONFIG_TULIP_PCI
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tp->tx_buffers[entry].skb = NULL;
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tp->tx_buffers[entry].mapping =
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-#ifdef CONFIG_TULIP_PCI
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pci_map_single(tp->pdev, tp->setup_frame,
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sizeof(tp->setup_frame),
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PCI_DMA_TODEVICE);
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@@ -1219,6 +1257,9 @@ static void set_rx_mode(struct net_devic
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spin_unlock_irqrestore(&tp->lock, flags);
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}
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+ if (tp->chip_id == ADM8668)
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+ csr6 |= (1 << 9); /* force 100Mbps full duplex */
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+
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iowrite32(csr6, ioaddr + CSR6);
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}
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@@ -1991,6 +2032,124 @@ static void __devexit tulip_remove_one (
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}
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#endif /* CONFIG_TULIP_PCI */
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+#ifdef CONFIG_TULIP_PLATFORM
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+static int __devinit tulip_probe(struct platform_device *pdev)
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+{
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+ struct tulip_private *tp;
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+ struct tulip_platform_data *pdata;
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+ struct net_device *dev;
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+ struct resource *res;
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+ void __iomem *ioaddr;
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+ int irq;
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+
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+ if (pdev->id < 0 || pdev->id >= MAX_UNITS)
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+ return -EINVAL;
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+
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+ if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0)))
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+ return -ENODEV;
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+ irq = res->start;
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+ if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0)))
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+ return -ENODEV;
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+ if (!(ioaddr = ioremap(res->start, res->end - res->start)))
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+ return -ENODEV;
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+
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+ pdata = pdev->dev.platform_data;
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+ if (!pdata)
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+ return -ENODEV;
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+
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+ if (!(dev = alloc_etherdev(sizeof (*tp))))
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+ return -ENOMEM;
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+
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+ /* setup net dev */
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+ dev->base_addr = (unsigned long)res->start;
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+ dev->irq = irq;
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+ SET_NETDEV_DEV(dev, &pdev->dev);
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+
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+ /* tulip private struct */
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+ tp = netdev_priv(dev);
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+ tp->dev = dev;
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+ tp->base_addr = ioaddr;
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+ tp->csr0 = 0;
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+ tp->pldev = pdev;
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+ tp->rx_ring = dma_alloc_coherent(&pdev->dev,
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+ sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
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+ sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
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+ &tp->rx_ring_dma, GFP_KERNEL);
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+ if (!tp->rx_ring)
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+ return -ENODEV;
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+ tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
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+ tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
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+
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+ tp->chip_id = pdata->chip_id;
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+ tp->flags = tulip_tbl[tp->chip_id].flags;
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+
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+ spin_lock_init(&tp->lock);
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+ spin_lock_init(&tp->mii_lock);
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+
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+ init_timer(&tp->timer);
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+ tp->timer.data = (unsigned long)dev;
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+ tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
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+
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+ INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task);
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+
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+ /* Stop the chip's Tx and Rx processes. */
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+ tulip_stop_rxtx(tp);
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+
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+ /* Clear the missed-packet counter. */
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+ ioread32(ioaddr + CSR8);
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+
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+ if (!is_valid_ether_addr(pdata->mac)) {
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+ dev_info(&pdev->dev, "generating random ethernet MAC\n");
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+ random_ether_addr(dev->dev_addr);
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+ } else
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+ memcpy(dev->dev_addr, pdata->mac, ETH_ALEN);
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+
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+ /* The Tulip-specific entries in the device structure. */
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+ dev->netdev_ops = &tulip_netdev_ops;
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+ dev->watchdog_timeo = TX_TIMEOUT;
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+ netif_napi_add(dev, &tp->napi, tulip_poll, 16);
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+ SET_ETHTOOL_OPS(dev, &ops);
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+
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+ if (register_netdev(dev))
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+ goto err_out_free_ring;
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+
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+ dev_info(&dev->dev,
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+ "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n",
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+ tulip_tbl[tp->chip_id].chip_name,
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+ (unsigned long)dev->base_addr, dev->dev_addr, irq);
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+
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+ platform_set_drvdata(pdev, dev);
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+ return 0;
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+
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+err_out_free_ring:
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+ dma_free_coherent(&pdev->dev,
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+ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
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+ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
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+ tp->rx_ring, tp->rx_ring_dma);
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+ return -ENODEV;
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+}
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+
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+static int __devexit tulip_remove(struct platform_device *pdev)
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+{
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+ struct net_device *dev = platform_get_drvdata (pdev);
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+ struct tulip_private *tp;
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+
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+ if (!dev)
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+ return -ENODEV;
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+
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+ tp = netdev_priv(dev);
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+ unregister_netdev(dev);
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+ dma_free_coherent(&pdev->dev,
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+ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
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+ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
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+ tp->rx_ring, tp->rx_ring_dma);
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+ iounmap(tp->base_addr);
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+ free_netdev(dev);
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+ platform_set_drvdata(pdev, NULL);
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+ return 0;
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+}
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+#endif
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+
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/*
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* Polling 'interrupt' - used by things like netconsole to send skbs
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@@ -2021,6 +2180,17 @@ static struct pci_driver tulip_pci_drive
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};
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+static struct platform_driver tulip_platform_driver = {
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+ .probe = tulip_probe,
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+ .remove = __devexit_p(tulip_remove),
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+ .driver = {
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+ .owner = THIS_MODULE,
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+ .name = DRV_NAME,
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+ },
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+};
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+#endif
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+
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static int __init tulip_init (void)
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{
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@@ -2037,6 +2207,9 @@ static int __init tulip_init (void)
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#ifdef CONFIG_TULIP_PCI
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ret = pci_register_driver(&tulip_pci_driver);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ ret = platform_driver_register(&tulip_platform_driver);
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+#endif
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return ret;
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}
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@@ -2046,6 +2219,9 @@ static void __exit tulip_cleanup (void)
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#ifdef CONFIG_TULIP_PCI
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pci_unregister_driver (&tulip_pci_driver);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ platform_driver_unregister (&tulip_platform_driver);
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+#endif
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}
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--- a/drivers/net/ethernet/dec/tulip/tulip.h
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+++ b/drivers/net/ethernet/dec/tulip/tulip.h
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@@ -21,6 +21,8 @@
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#include <linux/timer.h>
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#include <linux/delay.h>
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#include <linux/pci.h>
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+#include <linux/platform_device.h>
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+#include <linux/platform_data/tulip.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/unaligned.h>
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@@ -69,28 +71,6 @@ enum tbl_flag {
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};
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-/* chip types. careful! order is VERY IMPORTANT here, as these
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- * are used throughout the driver as indices into arrays */
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-/* Note 21142 == 21143. */
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-enum chips {
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- DC21040 = 0,
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- DC21041 = 1,
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- DC21140 = 2,
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- DC21142 = 3, DC21143 = 3,
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- LC82C168,
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- MX98713,
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- MX98715,
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- MX98725,
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- AX88140,
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- PNIC2,
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- COMET,
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- COMPEX9881,
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- I21145,
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- DM910X,
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- CONEXANT,
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-};
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-
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-
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enum MediaIs {
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MediaIsFD = 1,
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MediaAlwaysFD = 2,
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@@ -446,7 +426,12 @@ struct tulip_private {
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struct mediatable *mtable;
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int cur_index; /* Current media index. */
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int saved_if_port;
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+#ifdef CONFIG_TULIP_PCI
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struct pci_dev *pdev;
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+#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ struct platform_device *pldev;
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+#endif
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int ttimer;
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int susp_rx;
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unsigned long nir;
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--- a/drivers/net/ethernet/dec/tulip/interrupt.c
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+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
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@@ -76,6 +76,10 @@ int tulip_refill_rx(struct net_device *d
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mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
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PCI_DMA_FROMDEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ,
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+ DMA_FROM_DEVICE);
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+#endif
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tp->rx_buffers[entry].mapping = mapping;
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skb->dev = dev; /* Mark as being used by this device. */
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@@ -198,8 +202,7 @@ int tulip_poll(struct napi_struct *napi,
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dev->stats.rx_fifo_errors++;
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}
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} else {
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- struct sk_buff *skb;
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-
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+ struct sk_buff *skb;
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/* Check if the packet is long enough to accept without copying
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to a minimally-sized skbuff. */
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if (pkt_len < tulip_rx_copybreak &&
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@@ -242,6 +245,10 @@ int tulip_poll(struct napi_struct *napi,
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pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
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PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping,
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+ PKT_BUF_SZ, DMA_FROM_DEVICE);
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+#endif
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tp->rx_buffers[entry].skb = NULL;
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tp->rx_buffers[entry].mapping = 0;
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@@ -635,6 +642,11 @@ irqreturn_t tulip_interrupt(int irq, voi
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tp->tx_buffers[entry].skb->len,
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PCI_DMA_TODEVICE);
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#endif
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+#ifdef CONFIG_TULIP_PLATFORM
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+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
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+ tp->tx_buffers[entry].skb->len,
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+ DMA_TO_DEVICE);
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+#endif
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/* Free the original skb. */
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dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
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--- /dev/null
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+++ b/include/linux/platform_data/tulip.h
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@@ -0,0 +1,31 @@
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+#ifndef _LINUX_TULIP_PDATA_H
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+#define _LINUX_TULIP_PDATA_H
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+
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+/* chip types. careful! order is VERY IMPORTANT here, as these
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+ * are used throughout the driver as indices into arrays */
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+/* Note 21142 == 21143. */
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+enum chips {
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+ DC21040 = 0,
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+ DC21041 = 1,
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+ DC21140 = 2,
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+ DC21142 = 3, DC21143 = 3,
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+ LC82C168,
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+ MX98713,
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+ MX98715,
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+ MX98725,
|
|
+ AX88140,
|
|
+ PNIC2,
|
|
+ COMET,
|
|
+ COMPEX9881,
|
|
+ I21145,
|
|
+ DM910X,
|
|
+ CONEXANT,
|
|
+ ADM8668,
|
|
+};
|
|
+
|
|
+struct tulip_platform_data {
|
|
+ u8 mac[6];
|
|
+ enum chips chip_id;
|
|
+};
|
|
+
|
|
+#endif
|