---- a/drivers/net/ethernet/Kconfig
-+++ b/drivers/net/ethernet/Kconfig
-@@ -22,6 +22,7 @@ source "drivers/net/ethernet/adaptec/Kco
- source "drivers/net/ethernet/aeroflex/Kconfig"
- source "drivers/net/ethernet/alteon/Kconfig"
- source "drivers/net/ethernet/amd/Kconfig"
-+source "drivers/net/ethernet/ar231x/Kconfig"
- source "drivers/net/ethernet/apple/Kconfig"
- source "drivers/net/ethernet/atheros/Kconfig"
- source "drivers/net/ethernet/cadence/Kconfig"
---- a/drivers/net/ethernet/Makefile
-+++ b/drivers/net/ethernet/Makefile
-@@ -9,6 +9,7 @@ obj-$(CONFIG_GRETH) += aeroflex/
- obj-$(CONFIG_NET_VENDOR_ALTEON) += alteon/
- obj-$(CONFIG_NET_VENDOR_AMD) += amd/
- obj-$(CONFIG_NET_VENDOR_APPLE) += apple/
-+obj-$(CONFIG_NET_VENDOR_AR231X) += ar231x/
- obj-$(CONFIG_NET_VENDOR_ATHEROS) += atheros/
- obj-$(CONFIG_NET_CADENCE) += cadence/
- obj-$(CONFIG_NET_BFIN) += adi/
---- /dev/null
-+++ b/drivers/net/ethernet/ar231x/Kconfig
-@@ -0,0 +1,5 @@
-+config NET_VENDOR_AR231X
-+ tristate "AR231X Ethernet support"
+--- a/drivers/net/ethernet/atheros/Makefile
++++ b/drivers/net/ethernet/atheros/Makefile
+@@ -7,3 +7,4 @@ obj-$(CONFIG_ATL2) += atlx/
+ obj-$(CONFIG_ATL1E) += atl1e/
+ obj-$(CONFIG_ATL1C) += atl1c/
+ obj-$(CONFIG_ALX) += alx/
++obj-$(CONFIG_NET_AR231X) += ar231x/
+--- a/drivers/net/ethernet/atheros/Kconfig
++++ b/drivers/net/ethernet/atheros/Kconfig
+@@ -5,7 +5,7 @@
+ config NET_VENDOR_ATHEROS
+ bool "Atheros devices"
+ default y
+- depends on PCI
++ depends on (PCI || ATHEROS_AR231X)
+ ---help---
+ If you have a network (Ethernet) card belonging to this class, say Y
+ and read the Ethernet-HOWTO, available from
+@@ -85,4 +85,10 @@ config ALX
+ To compile this driver as a module, choose M here. The module
+ will be called alx.
+
++config NET_AR231X
++ tristate "Atheros AR231X built-in Ethernet support"
+ depends on ATHEROS_AR231X
+ help
+ Support for the AR231x/531x ethernet controller
++
+ endif # NET_VENDOR_ATHEROS
--- /dev/null
-+++ b/drivers/net/ethernet/ar231x/Makefile
++++ b/drivers/net/ethernet/atheros/ar231x/Makefile
@@ -0,0 +1 @@
-+obj-$(CONFIG_NET_VENDOR_AR231X) += ar231x.o
++obj-$(CONFIG_NET_AR231X) += ar231x.o
--- /dev/null
-+++ b/drivers/net/ethernet/ar231x/ar231x.c
-@@ -0,0 +1,1257 @@
++++ b/drivers/net/ethernet/atheros/ar231x/ar231x.c
+@@ -0,0 +1,1250 @@
+/*
+ * ar231x.c: Linux driver for the Atheros AR231x Ethernet device.
+ *
+#define VLAN_HDR 0
+#endif
+
-+#define AR2313_BUFSIZE (AR2313_MTU + VLAN_HDR + ETH_HLEN + CRC_LEN + RX_OFFSET)
++#define AR2313_BUFSIZE (AR2313_MTU + VLAN_HDR + ETH_HLEN + CRC_LEN + \
++ RX_OFFSET)
+
+#ifdef MODULE
+MODULE_LICENSE("GPL");
+static void ar231x_tx_timeout(struct net_device *dev);
+
+static int ar231x_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum);
-+static int ar231x_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum, u16 value);
++static int ar231x_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
++ u16 value);
+static int ar231x_mdiobus_reset(struct mii_bus *bus);
+static int ar231x_mdiobus_probe(struct net_device *dev);
+static void ar231x_adjust_link(struct net_device *dev);
+#endif
+};
+
-+int ar231x_probe(struct platform_device *pdev)
++static int ar231x_probe(struct platform_device *pdev)
+{
+ struct net_device *dev;
+ struct ar231x_private *sp;
+ tasklet_init(&sp->rx_tasklet, rx_tasklet_func, (unsigned long) dev);
+ tasklet_disable(&sp->rx_tasklet);
+
-+ sp->eth_regs =
-+ ioremap_nocache(virt_to_phys(ar_eth_base), sizeof(*sp->eth_regs));
++ sp->eth_regs = ioremap_nocache(ar_eth_base, sizeof(*sp->eth_regs));
+ if (!sp->eth_regs) {
+ printk("Can't remap eth registers\n");
+ return -ENXIO;
+ /**
+ * When there's only one MAC, PHY regs are typically on ENET0,
+ * even though the MAC might be on ENET1.
-+ * Needto remap PHY regs separately in this case
++ * So remap PHY regs separately.
+ */
-+ if (virt_to_phys(ar_eth_base) == virt_to_phys(sp->phy_regs))
-+ sp->phy_regs = sp->eth_regs;
-+ else {
-+ sp->phy_regs =
-+ ioremap_nocache(virt_to_phys(sp->cfg->phy_base),
-+ sizeof(*sp->phy_regs));
-+ if (!sp->phy_regs) {
-+ printk("Can't remap phy registers\n");
-+ return -ENXIO;
-+ }
++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "eth0_mii");
++ if (!res) {
++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
++ "eth1_mii");
++ if (!res)
++ return -ENODEV;
+ }
-+
-+ sp->dma_regs =
-+ ioremap_nocache(virt_to_phys(ar_eth_base + 0x1000),
-+ sizeof(*sp->dma_regs));
-+ dev->base_addr = (unsigned int) sp->dma_regs;
-+ if (!sp->dma_regs) {
-+ printk("Can't remap DMA registers\n");
++ sp->phy_regs = ioremap_nocache(res->start, resource_size(res));
++ if (!sp->phy_regs) {
++ printk("Can't remap phy registers\n");
+ return -ENXIO;
+ }
+
-+ sp->int_regs = ioremap_nocache(virt_to_phys(sp->cfg->reset_base), 4);
-+ if (!sp->int_regs) {
-+ printk("Can't remap INTERRUPT registers\n");
++ sp->dma_regs = ioremap_nocache(ar_eth_base + 0x1000,
++ sizeof(*sp->dma_regs));
++ if (!sp->dma_regs) {
++ printk("Can't remap DMA registers\n");
+ return -ENXIO;
+ }
++ dev->base_addr = ar_eth_base + 0x1000;
+
+ strncpy(sp->name, "Atheros AR231x", sizeof(sp->name) - 1);
+ sp->name[sizeof(sp->name) - 1] = '\0';
+ return -1;
+ }
+
-+ printk("%s: %s: %02x:%02x:%02x:%02x:%02x:%02x, irq %d\n",
-+ dev->name, sp->name,
-+ dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-+ dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5], dev->irq);
++ printk("%s: %s: %pM, irq %d\n", dev->name, sp->name, dev->dev_addr,
++ dev->irq);
+
+ sp->mii_bus = mdiobus_alloc();
+ if (sp->mii_bus == NULL)
+ return 0;
+ }
+
-+ size =
-+ (sizeof(ar231x_descr_t) * (AR2313_DESCR_ENTRIES * AR2313_QUEUES));
++ size = sizeof(ar231x_descr_t) * (AR2313_DESCR_ENTRIES * AR2313_QUEUES);
+ space = kmalloc(size, GFP_KERNEL);
+ if (space == NULL)
+ return 1;
+ td->status = 0;
+ td->devcs = DMA_TX1_CHAINED;
+ td->addr = 0;
-+ td->descr =
-+ virt_to_phys(&sp->
-+ tx_ring[(j + 1) & (AR2313_DESCR_ENTRIES - 1)]);
++ td->descr = virt_to_phys(&sp->tx_ring[DSC_NEXT(j)]);
+ }
+
+ return 0;
+ iounmap((void *)sp->eth_regs);
+ if (sp->dma_regs)
+ iounmap((void *)sp->dma_regs);
++ if (sp->phy_regs)
++ iounmap((void *)sp->phy_regs);
+
+ if (sp->rx_skb) {
+ for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
+ u16 reg;
+
+ sp->link = 1;
-+ reg = ar231x_mdiobus_read(sp->mii_bus, sp->phy, MII_BMCR);
++ reg = ar231x_mdiobus_read(sp->mii_bus, sp->phy,
++ MII_BMCR);
+ if (reg & BMCR_ANENABLE) {
+ /* auto neg enabled */
-+ reg = ar231x_mdiobus_read(sp->mii_bus, sp->phy, MII_LPA);
-+ duplex = (reg & (LPA_100FULL | LPA_10FULL)) ? 1 : 0;
++ reg = ar231x_mdiobus_read(sp->mii_bus, sp->phy,
++ MII_LPA);
++ duplex = reg & (LPA_100FULL | LPA_10FULL) ?
++ 1 : 0;
+ } else {
+ /* no auto neg, just read duplex config */
+ duplex = (reg & BMCR_FULLDPLX) ? 1 : 0;
+ if (duplex) {
+ /* full duplex */
+ sp->eth_regs->mac_control =
-+ ((sp->eth_regs->
-+ mac_control | MAC_CONTROL_F) & ~MAC_CONTROL_DRO);
++ (sp->eth_regs->mac_control |
++ MAC_CONTROL_F) & ~MAC_CONTROL_DRO;
+ } else {
+ /* half duplex */
+ sp->eth_regs->mac_control =
-+ ((sp->eth_regs->
-+ mac_control | MAC_CONTROL_DRO) & ~MAC_CONTROL_F);
++ (sp->eth_regs->mac_control |
++ MAC_CONTROL_DRO) & ~MAC_CONTROL_F;
+ }
+ } else {
+ /* no link */
+ unsigned int ethsal, ethsah;
+ unsigned int flags;
+
-+ *sp->int_regs |= sp->cfg->reset_mac;
++ sp->cfg->reset_set(sp->cfg->reset_mac);
+ mdelay(10);
-+ *sp->int_regs &= ~sp->cfg->reset_mac;
++ sp->cfg->reset_clear(sp->cfg->reset_mac);
+ mdelay(10);
-+ *sp->int_regs |= sp->cfg->reset_phy;
++ sp->cfg->reset_set(sp->cfg->reset_phy);
+ mdelay(10);
-+ *sp->int_regs &= ~sp->cfg->reset_phy;
++ sp->cfg->reset_clear(sp->cfg->reset_phy);
+ mdelay(10);
+
+ sp->dma_regs->bus_mode = (DMA_BUS_MODE_SWR);
+ ((32 << DMA_BUS_MODE_PBL_SHIFT) | DMA_BUS_MODE_BLE);
+
+ /* enable interrupts */
-+ sp->dma_regs->intr_ena = (DMA_STATUS_AIS |
-+ DMA_STATUS_NIS |
-+ DMA_STATUS_RI |
-+ DMA_STATUS_TI | DMA_STATUS_FBE);
++ sp->dma_regs->intr_ena = DMA_STATUS_AIS | DMA_STATUS_NIS |
++ DMA_STATUS_RI | DMA_STATUS_TI |
++ DMA_STATUS_FBE;
+ sp->dma_regs->xmt_base = virt_to_phys(sp->tx_ring);
+ sp->dma_regs->rcv_base = virt_to_phys(sp->rx_ring);
+ sp->dma_regs->control =
+ sp->eth_regs->mac_control = flags;
+
+ /* Set all Ethernet station address registers to their initial values */
-+ ethsah = ((((u_int) (dev->dev_addr[5]) << 8) & (u_int) 0x0000FF00) |
-+ (((u_int) (dev->dev_addr[4]) << 0) & (u_int) 0x000000FF));
++ ethsah = (((u_int) (dev->dev_addr[5]) << 8) & (u_int) 0x0000FF00) |
++ (((u_int) (dev->dev_addr[4]) << 0) & (u_int) 0x000000FF);
+
-+ ethsal = ((((u_int) (dev->dev_addr[3]) << 24) & (u_int) 0xFF000000) |
-+ (((u_int) (dev->dev_addr[2]) << 16) & (u_int) 0x00FF0000) |
-+ (((u_int) (dev->dev_addr[1]) << 8) & (u_int) 0x0000FF00) |
-+ (((u_int) (dev->dev_addr[0]) << 0) & (u_int) 0x000000FF));
++ ethsal = (((u_int) (dev->dev_addr[3]) << 24) & (u_int) 0xFF000000) |
++ (((u_int) (dev->dev_addr[2]) << 16) & (u_int) 0x00FF0000) |
++ (((u_int) (dev->dev_addr[1]) << 8) & (u_int) 0x0000FF00) |
++ (((u_int) (dev->dev_addr[0]) << 0) & (u_int) 0x000000FF);
+
+ sp->eth_regs->mac_addr[0] = ethsah;
+ sp->eth_regs->mac_addr[1] = ethsal;
+ rd->devcs = ((AR2313_BUFSIZE << DMA_RX1_BSIZE_SHIFT) |
+ DMA_RX1_CHAINED);
+ rd->addr = virt_to_phys(skb->data);
-+ rd->descr =
-+ virt_to_phys(&sp->
-+ rx_ring[(idx + 1) & (AR2313_DESCR_ENTRIES - 1)]);
++ rd->descr = virt_to_phys(&sp->rx_ring[DSC_NEXT(idx)]);
+ rd->status = DMA_RX_OWN;
+
+ idx = DSC_NEXT(idx);
+
+ } else {
+ /* alloc new buffer. */
-+ skb_new = netdev_alloc_skb_ip_align(dev, AR2313_BUFSIZE);
++ skb_new = netdev_alloc_skb_ip_align(dev,
++ AR2313_BUFSIZE);
+ if (skb_new != NULL) {
+ skb = sp->rx_skb[idx];
+ /* set skb */
-+ skb_put(skb,
-+ ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
++ skb_put(skb, ((status >> DMA_RX_LEN_SHIFT) &
++ 0x3fff) - CRC_LEN);
+
+ dev->stats.rx_bytes += skb->len;
+ skb->protocol = eth_type_trans(skb, dev);
+ }
+ /* done with this descriptor */
+ dma_unmap_single(NULL, txdesc->addr,
-+ txdesc->devcs & DMA_TX1_BSIZE_MASK,
-+ DMA_TO_DEVICE);
++ txdesc->devcs & DMA_TX1_BSIZE_MASK,
++ DMA_TO_DEVICE);
+ txdesc->status = 0;
+
+ if (status & DMA_TX_ERROR) {
+ dev->stats.tx_heartbeat_errors++;
+ if (status & (DMA_TX_ERR_LOSS | DMA_TX_ERR_LINK))
+ dev->stats.tx_carrier_errors++;
-+ if (status & (DMA_TX_ERR_LATE |
-+ DMA_TX_ERR_COL |
-+ DMA_TX_ERR_JABBER | DMA_TX_ERR_DEFER))
++ if (status & (DMA_TX_ERR_LATE | DMA_TX_ERR_COL |
++ DMA_TX_ERR_JABBER | DMA_TX_ERR_DEFER))
+ dev->stats.tx_aborted_errors++;
+ } else {
+ /* transmit OK */
+ unsigned int ethsal, ethsah;
+
+ /* reset the hardware, in case the MAC address changed */
-+ ethsah = ((((u_int) (dev->dev_addr[5]) << 8) & (u_int) 0x0000FF00) |
-+ (((u_int) (dev->dev_addr[4]) << 0) & (u_int) 0x000000FF));
++ ethsah = (((u_int) (dev->dev_addr[5]) << 8) & (u_int) 0x0000FF00) |
++ (((u_int) (dev->dev_addr[4]) << 0) & (u_int) 0x000000FF);
+
-+ ethsal = ((((u_int) (dev->dev_addr[3]) << 24) & (u_int) 0xFF000000) |
-+ (((u_int) (dev->dev_addr[2]) << 16) & (u_int) 0x00FF0000) |
-+ (((u_int) (dev->dev_addr[1]) << 8) & (u_int) 0x0000FF00) |
-+ (((u_int) (dev->dev_addr[0]) << 0) & (u_int) 0x000000FF));
++ ethsal = (((u_int) (dev->dev_addr[3]) << 24) & (u_int) 0xFF000000) |
++ (((u_int) (dev->dev_addr[2]) << 16) & (u_int) 0x00FF0000) |
++ (((u_int) (dev->dev_addr[1]) << 8) & (u_int) 0x0000FF00) |
++ (((u_int) (dev->dev_addr[0]) << 0) & (u_int) 0x000000FF);
+
+ sp->eth_regs->mac_addr[0] = ethsah;
+ sp->eth_regs->mac_addr[1] = ethsal;
+
+ /* kill the MAC */
+ sp->eth_regs->mac_control &= ~(MAC_CONTROL_RE | /* disable Receives */
-+ MAC_CONTROL_TE); /* disable Transmits */
++ MAC_CONTROL_TE); /* disable Transmits */
+ /* stop dma */
+ sp->dma_regs->control = 0;
+ sp->dma_regs->bus_mode = DMA_BUS_MODE_SWR;
+
+ /* place phy and MAC in reset */
-+ *sp->int_regs |= (sp->cfg->reset_mac | sp->cfg->reset_phy);
++ sp->cfg->reset_set(sp->cfg->reset_mac);
++ sp->cfg->reset_set(sp->cfg->reset_phy);
+
+ /* free buffers on tx ring */
+ for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
+ * the irq is gone forever ! When bond0 is made 'up' again,
+ * the ar231x_open () does not call request_irq (). Worse,
+ * the call to ar231x_halt() generates a WDOG reset due to
-+ * the write to 'sp->int_regs' and the box reboots.
++ * the write to reset register and the box reboots.
+ * Commenting this out is good since it allows the
+ * system to resume when bond0 is made up again.
+ */
+{
+ struct net_device *const dev = bus->priv;
+ struct ar231x_private *sp = netdev_priv(dev);
-+ volatile ETHERNET_STRUCT *ethernet = sp->phy_regs;
++ volatile MII *ethernet = sp->phy_regs;
+
+ ethernet->mii_addr = MII_ADDR(phy_addr, regnum);
+ while (ethernet->mii_addr & MII_ADDR_BUSY)
+{
+ struct net_device *const dev = bus->priv;
+ struct ar231x_private *sp = netdev_priv(dev);
-+ volatile ETHERNET_STRUCT *ethernet = sp->phy_regs;
++ volatile MII *ethernet = sp->phy_regs;
+
+ while (ethernet->mii_addr & MII_ADDR_BUSY)
+ ;
+ BUG_ON(!phydev);
+ BUG_ON(phydev->attached_dev);
+
-+ phydev = phy_connect(dev, dev_name(&phydev->dev), &ar231x_adjust_link, 0,
-+ PHY_INTERFACE_MODE_MII);
++ phydev = phy_connect(dev, dev_name(&phydev->dev), &ar231x_adjust_link,
++ PHY_INTERFACE_MODE_MII);
+
+ if (IS_ERR(phydev)) {
+ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
+}
+
--- /dev/null
-+++ b/drivers/net/ethernet/ar231x/ar231x.h
-@@ -0,0 +1,288 @@
++++ b/drivers/net/ethernet/atheros/ar231x/ar231x.h
+@@ -0,0 +1,295 @@
+/*
+ * ar231x.h: Linux driver for the Atheros AR231x Ethernet device.
+ *
+#define MAC_CONTROL_HO BIT(15) /* Hash only filtering */
+#define MAC_CONTROL_PB BIT(16) /* Pass Bad frames */
+#define MAC_CONTROL_IF BIT(17) /* Inverse filtering */
-+#define MAC_CONTROL_PR BIT(18) /* promiscuous mode (valid frames only) */
++#define MAC_CONTROL_PR BIT(18) /* promis mode (valid frames only) */
+#define MAC_CONTROL_PM BIT(19) /* pass multicast */
+#define MAC_CONTROL_F BIT(20) /* full-duplex */
+#define MAC_CONTROL_DRO BIT(23) /* Disable Receive Own */
+#define MAC_CONTROL_HBD BIT(28) /* heart-beat disabled (MUST BE SET) */
+#define MAC_CONTROL_BLE BIT(30) /* big endian mode */
-+#define MAC_CONTROL_RA BIT(31) /* receive all (valid and invalid frames) */
++#define MAC_CONTROL_RA BIT(31) /* rcv all (valid and invalid frames) */
+
+#define MII_ADDR_BUSY BIT(0)
+#define MII_ADDR_WRITE BIT(1)
+
+/**
+ * New Combo structure for Both Eth0 AND eth1
++ *
++ * Don't directly access MII related regs since phy chip could be actually
++ * connected to another ethernet block.
+ */
+typedef struct {
+ volatile unsigned int mac_control; /* 0x00 */
+ volatile unsigned int mac_addr[2]; /* 0x04 - 0x08 */
+ volatile unsigned int mcast_table[2]; /* 0x0c - 0x10 */
-+ volatile unsigned int mii_addr; /* 0x14 */
-+ volatile unsigned int mii_data; /* 0x18 */
++ volatile unsigned int __mii_addr; /* 0x14 */
++ volatile unsigned int __mii_data; /* 0x18 */
+ volatile unsigned int flow_control; /* 0x1c */
+ volatile unsigned int vlan_tag; /* 0x20 */
+ volatile unsigned int pad[7]; /* 0x24 - 0x3c */
+
+} ETHERNET_STRUCT;
+
++typedef struct {
++ volatile unsigned int mii_addr;
++ volatile unsigned int mii_data;
++} MII;
++
+/********************************************************************
+ * Interrupt controller
+ ********************************************************************/
+ int version;
+ u32 mb[2];
+
-+ volatile ETHERNET_STRUCT *phy_regs;
++ volatile MII *phy_regs;
+ volatile ETHERNET_STRUCT *eth_regs;
+ volatile DMA *dma_regs;
-+ volatile u32 *int_regs;
+ struct ar231x_eth *cfg;
+
+ spinlock_t lock; /* Serialise access to device */
+
+
+ struct timer_list link_timer;
-+ unsigned short phy; /* merlot phy = 1, samsung phy = 0x1f */
++ unsigned short phy; /* merlot phy = 1, samsung phy = 0x1f */
+ unsigned short mac;
+ unsigned short link; /* 0 - link down, 1 - link up */
+ u16 phy_data;
projects / openwrt / svn-archive / archive.git / blobdiff