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Diffstat (limited to 'target/linux/cns3xxx/patches-2.6.39/051-cns3xxx_gigabit.patch')
-rw-r--r--target/linux/cns3xxx/patches-2.6.39/051-cns3xxx_gigabit.patch1337
1 files changed, 0 insertions, 1337 deletions
diff --git a/target/linux/cns3xxx/patches-2.6.39/051-cns3xxx_gigabit.patch b/target/linux/cns3xxx/patches-2.6.39/051-cns3xxx_gigabit.patch
deleted file mode 100644
index ddc499e773..0000000000
--- a/target/linux/cns3xxx/patches-2.6.39/051-cns3xxx_gigabit.patch
+++ /dev/null
@@ -1,1337 +0,0 @@
---- a/drivers/net/Kconfig
-+++ b/drivers/net/Kconfig
-@@ -2071,6 +2071,14 @@ config ACENIC_OMIT_TIGON_I
-
- The safe and default value for this is N.
-
-+config CNS3XXX_ETH
-+ tristate "Cavium CNS3xxx Ethernet support"
-+ depends on ARCH_CNS3XXX
-+ select PHYLIB
-+ help
-+ Say Y here if you want to use built-in Ethernet ports
-+ on CNS3XXX processor.
-+
- config DL2K
- tristate "DL2000/TC902x-based Gigabit Ethernet support"
- depends on PCI
---- a/drivers/net/Makefile
-+++ b/drivers/net/Makefile
-@@ -240,6 +240,7 @@ obj-$(CONFIG_MAC89x0) += mac89x0.o
- obj-$(CONFIG_TUN) += tun.o
- obj-$(CONFIG_VETH) += veth.o
- obj-$(CONFIG_NET_NETX) += netx-eth.o
-+obj-$(CONFIG_CNS3XXX_ETH) += cns3xxx_eth.o
- obj-$(CONFIG_DL2K) += dl2k.o
- obj-$(CONFIG_R8169) += r8169.o
- obj-$(CONFIG_AMD8111_ETH) += amd8111e.o
---- /dev/null
-+++ b/drivers/net/cns3xxx_eth.c
-@@ -0,0 +1,1269 @@
-+/*
-+ * Cavium CNS3xxx Gigabit driver for Linux
-+ *
-+ * Copyright 2011 Gateworks Corporation
-+ * Chris Lang <clang@gateworks.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of version 2 of the GNU General Public License
-+ * as published by the Free Software Foundation.
-+ *
-+ */
-+
-+#include <linux/delay.h>
-+#include <linux/dma-mapping.h>
-+#include <linux/dmapool.h>
-+#include <linux/etherdevice.h>
-+#include <linux/io.h>
-+#include <linux/kernel.h>
-+#include <linux/phy.h>
-+#include <linux/platform_device.h>
-+#include <linux/skbuff.h>
-+#include <mach/hardware.h>
-+
-+#define DRV_NAME "cns3xxx_eth"
-+
-+#define RX_DESCS 512
-+#define TX_DESCS 512
-+#define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)
-+
-+#define RX_POOL_ALLOC_SIZE (sizeof(struct rx_desc) * RX_DESCS)
-+#define TX_POOL_ALLOC_SIZE (sizeof(struct tx_desc) * TX_DESCS)
-+#define REGS_SIZE 336
-+#define MAX_MRU 9500
-+
-+#define NAPI_WEIGHT 64
-+
-+/* MDIO Defines */
-+#define MDIO_CMD_COMPLETE 0x00008000
-+#define MDIO_WRITE_COMMAND 0x00002000
-+#define MDIO_READ_COMMAND 0x00004000
-+#define MDIO_REG_OFFSET 8
-+#define MDIO_VALUE_OFFSET 16
-+
-+/* Descritor Defines */
-+#define END_OF_RING 0x40000000
-+#define FIRST_SEGMENT 0x20000000
-+#define LAST_SEGMENT 0x10000000
-+#define FORCE_ROUTE 0x04000000
-+#define IP_CHECKSUM 0x00040000
-+#define UDP_CHECKSUM 0x00020000
-+#define TCP_CHECKSUM 0x00010000
-+
-+/* Port Config Defines */
-+#define PORT_DISABLE 0x00040000
-+#define PROMISC_OFFSET 29
-+
-+/* Global Config Defines */
-+#define UNKNOWN_VLAN_TO_CPU 0x02000000
-+#define ACCEPT_CRC_PACKET 0x00200000
-+#define CRC_STRIPPING 0x00100000
-+
-+/* VLAN Config Defines */
-+#define NIC_MODE 0x00008000
-+#define VLAN_UNAWARE 0x00000001
-+
-+/* DMA AUTO Poll Defines */
-+#define TS_POLL_EN 0x00000020
-+#define TS_SUSPEND 0x00000010
-+#define FS_POLL_EN 0x00000002
-+#define FS_SUSPEND 0x00000001
-+
-+/* DMA Ring Control Defines */
-+#define QUEUE_THRESHOLD 0x000000f0
-+#define CLR_FS_STATE 0x80000000
-+
-+struct tx_desc
-+{
-+ u32 sdp; /* segment data pointer */
-+
-+ union {
-+ struct {
-+ u32 sdl:16; /* segment data length */
-+ u32 tco:1;
-+ u32 uco:1;
-+ u32 ico:1;
-+ u32 rsv_1:3; /* reserve */
-+ u32 pri:3;
-+ u32 fp:1; /* force priority */
-+ u32 fr:1;
-+ u32 interrupt:1;
-+ u32 lsd:1;
-+ u32 fsd:1;
-+ u32 eor:1;
-+ u32 cown:1;
-+ };
-+ u32 config0;
-+ };
-+
-+ union {
-+ struct {
-+ u32 ctv:1;
-+ u32 stv:1;
-+ u32 sid:4;
-+ u32 inss:1;
-+ u32 dels:1;
-+ u32 rsv_2:9;
-+ u32 pmap:5;
-+ u32 mark:3;
-+ u32 ewan:1;
-+ u32 fewan:1;
-+ u32 rsv_3:5;
-+ };
-+ u32 config1;
-+ };
-+
-+ union {
-+ struct {
-+ u32 c_vid:12;
-+ u32 c_cfs:1;
-+ u32 c_pri:3;
-+ u32 s_vid:12;
-+ u32 s_dei:1;
-+ u32 s_pri:3;
-+ };
-+ u32 config2;
-+ };
-+
-+ u8 alignment[16]; /* for 32 byte */
-+};
-+
-+struct rx_desc
-+{
-+ u32 sdp; /* segment data pointer */
-+
-+ union {
-+ struct {
-+ u32 sdl:16; /* segment data length */
-+ u32 l4f:1;
-+ u32 ipf:1;
-+ u32 prot:4;
-+ u32 hr:6;
-+ u32 lsd:1;
-+ u32 fsd:1;
-+ u32 eor:1;
-+ u32 cown:1;
-+ };
-+ u32 config0;
-+ };
-+
-+ union {
-+ struct {
-+ u32 ctv:1;
-+ u32 stv:1;
-+ u32 unv:1;
-+ u32 iwan:1;
-+ u32 exdv:1;
-+ u32 e_wan:1;
-+ u32 rsv_1:2;
-+ u32 sp:3;
-+ u32 crc_err:1;
-+ u32 un_eth:1;
-+ u32 tc:2;
-+ u32 rsv_2:1;
-+ u32 ip_offset:5;
-+ u32 rsv_3:11;
-+ };
-+ u32 config1;
-+ };
-+
-+ union {
-+ struct {
-+ u32 c_vid:12;
-+ u32 c_cfs:1;
-+ u32 c_pri:3;
-+ u32 s_vid:12;
-+ u32 s_dei:1;
-+ u32 s_pri:3;
-+ };
-+ u32 config2;
-+ };
-+
-+ u8 alignment[16]; /* for 32 byte alignment */
-+};
-+
-+
-+struct switch_regs {
-+ u32 phy_control;
-+ u32 phy_auto_addr;
-+ u32 mac_glob_cfg;
-+ u32 mac_cfg[4];
-+ u32 mac_pri_ctrl[5], __res;
-+ u32 etype[2];
-+ u32 udp_range[4];
-+ u32 prio_etype_udp;
-+ u32 prio_ipdscp[8];
-+ u32 tc_ctrl;
-+ u32 rate_ctrl;
-+ u32 fc_glob_thrs;
-+ u32 fc_port_thrs;
-+ u32 mc_fc_glob_thrs;
-+ u32 dc_glob_thrs;
-+ u32 arl_vlan_cmd;
-+ u32 arl_ctrl[3];
-+ u32 vlan_cfg;
-+ u32 pvid[2];
-+ u32 vlan_ctrl[3];
-+ u32 session_id[8];
-+ u32 intr_stat;
-+ u32 intr_mask;
-+ u32 sram_test;
-+ u32 mem_queue;
-+ u32 farl_ctrl;
-+ u32 fc_input_thrs, __res1[2];
-+ u32 clk_skew_ctrl;
-+ u32 mac_glob_cfg_ext, __res2[2];
-+ u32 dma_ring_ctrl;
-+ u32 dma_auto_poll_cfg;
-+ u32 delay_intr_cfg, __res3;
-+ u32 ts_dma_ctrl0;
-+ u32 ts_desc_ptr0;
-+ u32 ts_desc_base_addr0, __res4;
-+ u32 fs_dma_ctrl0;
-+ u32 fs_desc_ptr0;
-+ u32 fs_desc_base_addr0, __res5;
-+ u32 ts_dma_ctrl1;
-+ u32 ts_desc_ptr1;
-+ u32 ts_desc_base_addr1, __res6;
-+ u32 fs_dma_ctrl1;
-+ u32 fs_desc_ptr1;
-+ u32 fs_desc_base_addr1;
-+};
-+
-+struct _tx_ring {
-+ struct tx_desc *desc;
-+ dma_addr_t phys_addr;
-+ struct tx_desc *cur_addr;
-+ struct sk_buff *buff_tab[TX_DESCS];
-+ u32 free_index;
-+ u32 count_index;
-+ u32 cur_index;
-+ int num_used;
-+ int num_count;
-+};
-+
-+struct _rx_ring {
-+ struct rx_desc *desc;
-+ dma_addr_t phys_addr;
-+ struct rx_desc *cur_addr;
-+ struct sk_buff *buff_tab[RX_DESCS];
-+ u32 cur_index;
-+ u32 alloc_index;
-+ int alloc_count;
-+};
-+
-+struct sw {
-+ struct resource *mem_res;
-+ struct switch_regs __iomem *regs;
-+ struct napi_struct napi;
-+ struct cns3xxx_plat_info *plat;
-+ struct _tx_ring *tx_ring;
-+ struct _rx_ring *rx_ring;
-+ u32 mtu;
-+};
-+
-+struct port {
-+ struct net_device *netdev;
-+ struct phy_device *phydev;
-+ struct sw *sw;
-+ int id; /* logical port ID */
-+ int speed, duplex;
-+ u32 mtu;
-+};
-+
-+static spinlock_t mdio_lock;
-+static spinlock_t tx_lock;
-+static spinlock_t stat_lock;
-+static struct switch_regs __iomem *mdio_regs; /* mdio command and status only */
-+struct mii_bus *mdio_bus;
-+static int ports_open;
-+static struct port *switch_port_tab[3];
-+static struct dma_pool *rx_dma_pool;
-+static struct dma_pool *tx_dma_pool;
-+struct net_device *napi_dev;
-+
-+static int cns3xxx_mdio_cmd(struct mii_bus *bus, int phy_id, int location,
-+ int write, u16 cmd)
-+{
-+ int cycles = 0;
-+ u32 temp = 0;
-+
-+ temp = __raw_readl(&mdio_regs->phy_control);
-+ temp |= MDIO_CMD_COMPLETE;
-+ __raw_writel(temp, &mdio_regs->phy_control);
-+ udelay(10);
-+
-+ if (write) {
-+ temp = (cmd << MDIO_VALUE_OFFSET);
-+ temp |= MDIO_WRITE_COMMAND;
-+ } else {
-+ temp = MDIO_READ_COMMAND;
-+ }
-+ temp |= ((location & 0x1f) << MDIO_REG_OFFSET);
-+ temp |= (phy_id & 0x1f);
-+
-+ __raw_writel(temp, &mdio_regs->phy_control);
-+
-+ while (((__raw_readl(&mdio_regs->phy_control) & MDIO_CMD_COMPLETE) == 0)
-+ && cycles < 5000) {
-+ udelay(1);
-+ cycles++;
-+ }
-+
-+ if (cycles == 5000) {
-+ printk(KERN_ERR "%s #%i: MII transaction failed\n", bus->name,
-+ phy_id);
-+ return -1;
-+ }
-+
-+ temp = __raw_readl(&mdio_regs->phy_control);
-+ temp |= MDIO_CMD_COMPLETE;
-+ __raw_writel(temp, &mdio_regs->phy_control);
-+
-+ if (write)
-+ return 0;
-+
-+ return ((temp >> MDIO_VALUE_OFFSET) & 0xFFFF);
-+}
-+
-+static int cns3xxx_mdio_read(struct mii_bus *bus, int phy_id, int location)
-+{
-+ unsigned long flags;
-+ int ret;
-+
-+ spin_lock_irqsave(&mdio_lock, flags);
-+ ret = cns3xxx_mdio_cmd(bus, phy_id, location, 0, 0);
-+ spin_unlock_irqrestore(&mdio_lock, flags);
-+ return ret;
-+}
-+
-+static int cns3xxx_mdio_write(struct mii_bus *bus, int phy_id, int location,
-+ u16 val)
-+{
-+ unsigned long flags;
-+ int ret;
-+
-+ spin_lock_irqsave(&mdio_lock, flags);
-+ ret = cns3xxx_mdio_cmd(bus, phy_id, location, 1, val);
-+ spin_unlock_irqrestore(&mdio_lock, flags);
-+ return ret;
-+}
-+
-+static int cns3xxx_mdio_register(void)
-+{
-+ int err;
-+
-+ if (!(mdio_bus = mdiobus_alloc()))
-+ return -ENOMEM;
-+
-+ mdio_regs = (struct switch_regs __iomem *)CNS3XXX_SWITCH_BASE_VIRT;
-+
-+ spin_lock_init(&mdio_lock);
-+ mdio_bus->name = "CNS3xxx MII Bus";
-+ mdio_bus->read = &cns3xxx_mdio_read;
-+ mdio_bus->write = &cns3xxx_mdio_write;
-+ strcpy(mdio_bus->id, "0");
-+
-+ if ((err = mdiobus_register(mdio_bus)))
-+ mdiobus_free(mdio_bus);
-+ return err;
-+}
-+
-+static void cns3xxx_mdio_remove(void)
-+{
-+ mdiobus_unregister(mdio_bus);
-+ mdiobus_free(mdio_bus);
-+}
-+
-+static void cns3xxx_adjust_link(struct net_device *dev)
-+{
-+ struct port *port = netdev_priv(dev);
-+ struct phy_device *phydev = port->phydev;
-+
-+ if (!phydev->link) {
-+ if (port->speed) {
-+ port->speed = 0;
-+ printk(KERN_INFO "%s: link down\n", dev->name);
-+ }
-+ return;
-+ }
-+
-+ if (port->speed == phydev->speed && port->duplex == phydev->duplex)
-+ return;
-+
-+ port->speed = phydev->speed;
-+ port->duplex = phydev->duplex;
-+
-+ printk(KERN_INFO "%s: link up, speed %u Mb/s, %s duplex\n",
-+ dev->name, port->speed, port->duplex ? "full" : "half");
-+}
-+
-+irqreturn_t eth_rx_irq(int irq, void *pdev)
-+{
-+ struct net_device *dev = pdev;
-+ struct sw *sw = netdev_priv(dev);
-+ if (likely(napi_schedule_prep(&sw->napi))) {
-+ disable_irq_nosync(IRQ_CNS3XXX_SW_R0RXC);
-+ __napi_schedule(&sw->napi);
-+ }
-+ return (IRQ_HANDLED);
-+}
-+
-+
-+static void cns3xxx_alloc_rx_buf(struct sw *sw, int received)
-+{
-+ struct _rx_ring *rx_ring = sw->rx_ring;
-+ unsigned int i = rx_ring->alloc_index;
-+ struct rx_desc *desc;
-+ struct sk_buff *skb;
-+ u32 mtu = sw->mtu;
-+
-+ rx_ring->alloc_count += received;
-+
-+ for (received = rx_ring->alloc_count; received > 0; received--) {
-+ desc = &(rx_ring)->desc[i];
-+
-+ if ((skb = dev_alloc_skb(mtu))) {
-+ if (SKB_DMA_REALIGN)
-+ skb_reserve(skb, SKB_DMA_REALIGN);
-+ skb_reserve(skb, NET_IP_ALIGN);
-+ desc->sdp = dma_map_single(NULL, skb->data,
-+ mtu, DMA_FROM_DEVICE);
-+ if (dma_mapping_error(NULL, desc->sdp)) {
-+ dev_kfree_skb(skb);
-+ /* Failed to map, better luck next time */
-+ goto out;;
-+ }
-+ } else {
-+ /* Failed to allocate skb, try again next time */
-+ goto out;
-+ }
-+
-+ /* put the new buffer on RX-free queue */
-+ rx_ring->buff_tab[i] = skb;
-+
-+ if (++i == RX_DESCS) {
-+ i = 0;
-+ desc->config0 = END_OF_RING | FIRST_SEGMENT |
-+ LAST_SEGMENT | mtu;
-+ } else {
-+ desc->config0 = FIRST_SEGMENT | LAST_SEGMENT | mtu;
-+ }
-+ }
-+out:
-+ rx_ring->alloc_count = received;
-+ rx_ring->alloc_index = i;
-+}
-+
-+static void update_tx_stats(struct sw *sw)
-+{
-+ struct _tx_ring *tx_ring = sw->tx_ring;
-+ struct tx_desc *desc;
-+ struct tx_desc *next_desc;
-+ struct sk_buff *skb;
-+ int i;
-+ int index;
-+ int num_count;
-+
-+ spin_lock_bh(&stat_lock);
-+
-+ num_count = tx_ring->num_count;
-+
-+ if (!num_count) {
-+ spin_unlock_bh(&stat_lock);
-+ return;
-+ }
-+
-+ index = tx_ring->count_index;
-+ desc = &(tx_ring)->desc[index];
-+ for (i = 0; i < num_count; i++) {
-+ skb = tx_ring->buff_tab[index];
-+ if (desc->cown) {
-+ tx_ring->buff_tab[index] = 0;
-+ if (unlikely(++index == TX_DESCS)) index = 0;
-+ next_desc = &(tx_ring)->desc[index];
-+ prefetch(next_desc + 4);
-+ if (likely(skb)) {
-+ skb->dev->stats.tx_packets++;
-+ skb->dev->stats.tx_bytes += skb->len;
-+ dev_kfree_skb_any(skb);
-+ }
-+ desc = next_desc;
-+ } else {
-+ break;
-+ }
-+ }
-+ tx_ring->num_count -= i;
-+ tx_ring->count_index = index;
-+
-+ spin_unlock_bh(&stat_lock);
-+}
-+
-+static void clear_tx_desc(struct sw *sw)
-+{
-+ struct _tx_ring *tx_ring = sw->tx_ring;
-+ struct tx_desc *desc;
-+ struct tx_desc *next_desc;
-+ int i;
-+ int index;
-+ int num_used = tx_ring->num_used - tx_ring->num_count;
-+
-+ if (num_used < (TX_DESCS >> 1))
-+ return;
-+
-+ index = tx_ring->free_index;
-+ desc = &(tx_ring)->desc[index];
-+ for (i = 0; i < num_used; i++) {
-+ if (desc->cown) {
-+ if (unlikely(++index == TX_DESCS)) index = 0;
-+ next_desc = &(tx_ring)->desc[index];
-+ prefetch(next_desc);
-+ prefetch(next_desc + 4);
-+ if (likely(desc->sdp))
-+ dma_unmap_single(NULL, desc->sdp,
-+ desc->sdl, DMA_TO_DEVICE);
-+ desc = next_desc;
-+ } else {
-+ break;
-+ }
-+ }
-+ tx_ring->free_index = index;
-+ tx_ring->num_used -= i;
-+}
-+
-+static int eth_poll(struct napi_struct *napi, int budget)
-+{
-+ struct sw *sw = container_of(napi, struct sw, napi);
-+ struct net_device *dev;
-+ struct _rx_ring *rx_ring = sw->rx_ring;
-+ int received = 0;
-+ unsigned int length;
-+ unsigned int i = rx_ring->cur_index;
-+ struct rx_desc *next_desc;
-+ struct rx_desc *desc = &(rx_ring)->desc[i];
-+ int port_id;
-+
-+ while (desc->cown) {
-+ struct sk_buff *skb;
-+
-+ if (received >= budget)
-+ break;
-+
-+ skb = rx_ring->buff_tab[i];
-+
-+ if (++i == RX_DESCS) i = 0;
-+ next_desc = &(rx_ring)->desc[i];
-+ prefetch(next_desc);
-+
-+ port_id = desc->sp;
-+ if (port_id == 4)
-+ dev = switch_port_tab[2]->netdev;
-+ else
-+ dev = switch_port_tab[port_id]->netdev;
-+
-+ length = desc->sdl;
-+ /* process received frame */
-+ dma_unmap_single(&dev->dev, desc->sdp,
-+ length, DMA_FROM_DEVICE);
-+
-+ skb_put(skb, length);
-+
-+ skb->dev = dev;
-+ skb->protocol = eth_type_trans(skb, dev);
-+
-+ dev->stats.rx_packets++;
-+ dev->stats.rx_bytes += length;
-+
-+ switch (desc->prot) {
-+ case 1:
-+ case 2:
-+ case 5:
-+ case 6:
-+ case 13:
-+ case 14:
-+ if (desc->l4f)
-+ skb->ip_summed = CHECKSUM_NONE;
-+ else
-+ skb->ip_summed = CHECKSUM_UNNECESSARY;
-+ break;
-+ default:
-+ skb->ip_summed = CHECKSUM_NONE;
-+ break;
-+ }
-+
-+ napi_gro_receive(napi, skb);
-+
-+ received++;
-+ desc = next_desc;
-+ }
-+
-+ cns3xxx_alloc_rx_buf(sw, received);
-+ rx_ring->cur_index = i;
-+
-+ if (received != budget) {
-+ napi_complete(napi);
-+ enable_irq(IRQ_CNS3XXX_SW_R0RXC);
-+ }
-+
-+ return received;
-+}
-+
-+static int eth_xmit(struct sk_buff *skb, struct net_device *dev)
-+{
-+ struct port *port = netdev_priv(dev);
-+ struct sw *sw = port->sw;
-+ struct _tx_ring *tx_ring = sw->tx_ring;
-+ struct tx_desc *tx_desc;
-+ int index;
-+ int len = skb->len;
-+ char pmap = (1 << port->id);
-+
-+ if (pmap == 8)
-+ pmap = (1 << 4);
-+
-+ if (unlikely(len > sw->mtu)) {
-+ dev_kfree_skb(skb);
-+ dev->stats.tx_errors++;
-+ return NETDEV_TX_OK;
-+ }
-+
-+ update_tx_stats(sw);
-+
-+ spin_lock_bh(&tx_lock);
-+
-+ clear_tx_desc(sw);
-+
-+ if (unlikely(tx_ring->num_used == TX_DESCS)) {
-+ spin_unlock_bh(&tx_lock);
-+ return NETDEV_TX_BUSY;
-+ }
-+
-+ index = tx_ring->cur_index;
-+
-+ if (unlikely(++tx_ring->cur_index == TX_DESCS))
-+ tx_ring->cur_index = 0;
-+
-+ tx_ring->num_used++;
-+ tx_ring->num_count++;
-+
-+ spin_unlock_bh(&tx_lock);
-+
-+ tx_desc = &(tx_ring)->desc[index];
-+
-+ tx_desc->sdp = dma_map_single(NULL, skb->data, len,
-+ DMA_TO_DEVICE);
-+
-+ if (dma_mapping_error(NULL, tx_desc->sdp)) {
-+ dev_kfree_skb(skb);
-+ dev->stats.tx_errors++;
-+ return NETDEV_TX_OK;
-+ }
-+
-+ tx_desc->pmap = pmap;
-+ tx_ring->buff_tab[index] = skb;
-+
-+ if (index == TX_DESCS - 1) {
-+ tx_desc->config0 = END_OF_RING | FIRST_SEGMENT | LAST_SEGMENT |
-+ FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
-+ TCP_CHECKSUM | len;
-+ } else {
-+ tx_desc->config0 = FIRST_SEGMENT | LAST_SEGMENT |
-+ FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
-+ TCP_CHECKSUM | len;
-+ }
-+
-+ return NETDEV_TX_OK;
-+}
-+
-+static int eth_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
-+{
-+ struct port *port = netdev_priv(dev);
-+
-+ if (!netif_running(dev))
-+ return -EINVAL;
-+ return phy_mii_ioctl(port->phydev, req, cmd);
-+}
-+
-+/* ethtool support */
-+
-+static void cns3xxx_get_drvinfo(struct net_device *dev,
-+ struct ethtool_drvinfo *info)
-+{
-+ strcpy(info->driver, DRV_NAME);
-+ strcpy(info->bus_info, "internal");
-+}
-+
-+static int cns3xxx_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-+{
-+ struct port *port = netdev_priv(dev);
-+ return phy_ethtool_gset(port->phydev, cmd);
-+}
-+
-+static int cns3xxx_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-+{
-+ struct port *port = netdev_priv(dev);
-+ return phy_ethtool_sset(port->phydev, cmd);
-+}
-+
-+static int cns3xxx_nway_reset(struct net_device *dev)
-+{
-+ struct port *port = netdev_priv(dev);
-+ return phy_start_aneg(port->phydev);
-+}
-+
-+static struct ethtool_ops cns3xxx_ethtool_ops = {
-+ .get_drvinfo = cns3xxx_get_drvinfo,
-+ .get_settings = cns3xxx_get_settings,
-+ .set_settings = cns3xxx_set_settings,
-+ .nway_reset = cns3xxx_nway_reset,
-+ .get_link = ethtool_op_get_link,
-+};
-+
-+
-+static int init_rings(struct sw *sw)
-+{
-+ int i;
-+ struct _rx_ring *rx_ring = sw->rx_ring;
-+ struct _tx_ring *tx_ring = sw->tx_ring;
-+
-+ __raw_writel(0, &sw->regs->fs_dma_ctrl0);
-+ __raw_writel(TS_SUSPEND | FS_SUSPEND, &sw->regs->dma_auto_poll_cfg);
-+ __raw_writel(QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
-+ __raw_writel(CLR_FS_STATE | QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
-+
-+ __raw_writel(QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
-+
-+ if (!(rx_dma_pool = dma_pool_create(DRV_NAME, NULL,
-+ RX_POOL_ALLOC_SIZE, 32, 0)))
-+ return -ENOMEM;
-+
-+ if (!(rx_ring->desc = dma_pool_alloc(rx_dma_pool, GFP_KERNEL,
-+ &rx_ring->phys_addr)))
-+ return -ENOMEM;
-+ memset(rx_ring->desc, 0, RX_POOL_ALLOC_SIZE);
-+
-+ /* Setup RX buffers */
-+ for (i = 0; i < RX_DESCS; i++) {
-+ struct rx_desc *desc = &(rx_ring)->desc[i];
-+ struct sk_buff *skb;
-+ if (!(skb = dev_alloc_skb(sw->mtu)))
-+ return -ENOMEM;
-+ if (SKB_DMA_REALIGN)
-+ skb_reserve(skb, SKB_DMA_REALIGN);
-+ skb_reserve(skb, NET_IP_ALIGN);
-+ desc->sdl = sw->mtu;
-+ if (i == (RX_DESCS - 1))
-+ desc->eor = 1;
-+ desc->fsd = 1;
-+ desc->lsd = 1;
-+
-+ desc->sdp = dma_map_single(NULL, skb->data,
-+ sw->mtu, DMA_FROM_DEVICE);
-+ if (dma_mapping_error(NULL, desc->sdp)) {
-+ return -EIO;
-+ }
-+ rx_ring->buff_tab[i] = skb;
-+ desc->cown = 0;
-+ }
-+ __raw_writel(rx_ring->phys_addr, &sw->regs->fs_desc_ptr0);
-+ __raw_writel(rx_ring->phys_addr, &sw->regs->fs_desc_base_addr0);
-+
-+ if (!(tx_dma_pool = dma_pool_create(DRV_NAME, NULL,
-+ TX_POOL_ALLOC_SIZE, 32, 0)))
-+ return -ENOMEM;
-+
-+ if (!(tx_ring->desc = dma_pool_alloc(tx_dma_pool, GFP_KERNEL,
-+ &tx_ring->phys_addr)))
-+ return -ENOMEM;
-+ memset(tx_ring->desc, 0, TX_POOL_ALLOC_SIZE);
-+
-+ /* Setup TX buffers */
-+ for (i = 0; i < TX_DESCS; i++) {
-+ struct tx_desc *desc = &(tx_ring)->desc[i];
-+ tx_ring->buff_tab[i] = 0;
-+
-+ if (i == (TX_DESCS - 1))
-+ desc->eor = 1;
-+ desc->cown = 1;
-+ }
-+ __raw_writel(tx_ring->phys_addr, &sw->regs->ts_desc_ptr0);
-+ __raw_writel(tx_ring->phys_addr, &sw->regs->ts_desc_base_addr0);
-+
-+ return 0;
-+}
-+
-+static void destroy_rings(struct sw *sw)
-+{
-+ int i;
-+ if (sw->rx_ring->desc) {
-+ for (i = 0; i < RX_DESCS; i++) {
-+ struct _rx_ring *rx_ring = sw->rx_ring;
-+ struct rx_desc *desc = &(rx_ring)->desc[i];
-+ struct sk_buff *skb = sw->rx_ring->buff_tab[i];
-+ if (skb) {
-+ dma_unmap_single(NULL,
-+ desc->sdp,
-+ sw->mtu, DMA_FROM_DEVICE);
-+ dev_kfree_skb(skb);
-+ }
-+ }
-+ dma_pool_free(rx_dma_pool, sw->rx_ring->desc, sw->rx_ring->phys_addr);
-+ dma_pool_destroy(rx_dma_pool);
-+ rx_dma_pool = 0;
-+ sw->rx_ring->desc = 0;
-+ }
-+ if (sw->tx_ring->desc) {
-+ for (i = 0; i < TX_DESCS; i++) {
-+ struct _tx_ring *tx_ring = sw->tx_ring;
-+ struct tx_desc *desc = &(tx_ring)->desc[i];
-+ struct sk_buff *skb = sw->tx_ring->buff_tab[i];
-+ if (skb) {
-+ dma_unmap_single(NULL, desc->sdp,
-+ skb->len, DMA_TO_DEVICE);
-+ dev_kfree_skb(skb);
-+ }
-+ }
-+ dma_pool_free(tx_dma_pool, sw->tx_ring->desc, sw->tx_ring->phys_addr);
-+ dma_pool_destroy(tx_dma_pool);
-+ tx_dma_pool = 0;
-+ sw->tx_ring->desc = 0;
-+ }
-+}
-+
-+static int eth_open(struct net_device *dev)
-+{
-+ struct port *port = netdev_priv(dev);
-+ struct sw *sw = port->sw;
-+ u32 temp;
-+
-+ port->speed = 0; /* force "link up" message */
-+ phy_start(port->phydev);
-+
-+ netif_start_queue(dev);
-+
-+ if (!ports_open) {
-+ request_irq(IRQ_CNS3XXX_SW_R0RXC, eth_rx_irq, IRQF_SHARED, "gig_switch", napi_dev);
-+ napi_enable(&sw->napi);
-+ netif_start_queue(napi_dev);
-+ //enable_irq(IRQ_CNS3XXX_SW_R0RXC);
-+
-+ temp = __raw_readl(&sw->regs->mac_cfg[2]);
-+ temp &= ~(PORT_DISABLE);
-+ __raw_writel(temp, &sw->regs->mac_cfg[2]);
-+
-+ temp = __raw_readl(&sw->regs->dma_auto_poll_cfg);
-+ temp &= ~(TS_SUSPEND | FS_SUSPEND);
-+ __raw_writel(temp, &sw->regs->dma_auto_poll_cfg);
-+
-+ __raw_writel((TS_POLL_EN | FS_POLL_EN), &sw->regs->dma_auto_poll_cfg);
-+ }
-+ temp = __raw_readl(&sw->regs->mac_cfg[port->id]);
-+ temp &= ~(PORT_DISABLE);
-+ __raw_writel(temp, &sw->regs->mac_cfg[port->id]);
-+
-+ ports_open++;
-+ netif_carrier_on(dev);
-+
-+ return 0;
-+}
-+
-+static int eth_close(struct net_device *dev)
-+{
-+ struct port *port = netdev_priv(dev);
-+ struct sw *sw = port->sw;
-+ u32 temp;
-+
-+ ports_open--;
-+
-+ temp = __raw_readl(&sw->regs->mac_cfg[port->id]);
-+ temp |= (PORT_DISABLE);
-+ __raw_writel(temp, &sw->regs->mac_cfg[port->id]);
-+
-+ netif_stop_queue(dev);
-+
-+ phy_stop(port->phydev);
-+
-+ if (!ports_open) {
-+ disable_irq(IRQ_CNS3XXX_SW_R0RXC);
-+ free_irq(IRQ_CNS3XXX_SW_R0RXC, napi_dev);
-+ napi_disable(&sw->napi);
-+ netif_stop_queue(napi_dev);
-+ temp = __raw_readl(&sw->regs->mac_cfg[2]);
-+ temp |= (PORT_DISABLE);
-+ __raw_writel(temp, &sw->regs->mac_cfg[2]);
-+
-+ __raw_writel(TS_SUSPEND | FS_SUSPEND,
-+ &sw->regs->dma_auto_poll_cfg);
-+ }
-+
-+ netif_carrier_off(dev);
-+ return 0;
-+}
-+
-+static void eth_rx_mode(struct net_device *dev)
-+{
-+ struct port *port = netdev_priv(dev);
-+ struct sw *sw = port->sw;
-+ u32 temp;
-+
-+ temp = __raw_readl(&sw->regs->mac_glob_cfg);
-+
-+ if (dev->flags & IFF_PROMISC) {
-+ if (port->id == 3)
-+ temp |= ((1 << 2) << PROMISC_OFFSET);
-+ else
-+ temp |= ((1 << port->id) << PROMISC_OFFSET);
-+ } else {
-+ if (port->id == 3)
-+ temp &= ~((1 << 2) << PROMISC_OFFSET);
-+ else
-+ temp &= ~((1 << port->id) << PROMISC_OFFSET);
-+ }
-+ __raw_writel(temp, &sw->regs->mac_glob_cfg);
-+}
-+
-+static int eth_set_mac(struct net_device *netdev, void *p)
-+{
-+ struct port *port = netdev_priv(netdev);
-+ struct sw *sw = port->sw;
-+ struct sockaddr *addr = p;
-+ u32 cycles = 0;
-+
-+ if (!is_valid_ether_addr(addr->sa_data))
-+ return -EADDRNOTAVAIL;
-+
-+ /* Invalidate old ARL Entry */
-+ if (port->id == 3)
-+ __raw_writel((port->id << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+ else
-+ __raw_writel(((port->id + 1) << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+ __raw_writel( ((netdev->dev_addr[0] << 24) | (netdev->dev_addr[1] << 16) |
-+ (netdev->dev_addr[2] << 8) | (netdev->dev_addr[3])),
-+ &sw->regs->arl_ctrl[1]);
-+
-+ __raw_writel( ((netdev->dev_addr[4] << 24) | (netdev->dev_addr[5] << 16) |
-+ (1 << 1)),
-+ &sw->regs->arl_ctrl[2]);
-+ __raw_writel((1 << 19), &sw->regs->arl_vlan_cmd);
-+
-+ while (((__raw_readl(&sw->regs->arl_vlan_cmd) & (1 << 21)) == 0)
-+ && cycles < 5000) {
-+ udelay(1);
-+ cycles++;
-+ }
-+
-+ cycles = 0;
-+ memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
-+
-+ if (port->id == 3)
-+ __raw_writel((port->id << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+ else
-+ __raw_writel(((port->id + 1) << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+ __raw_writel( ((addr->sa_data[0] << 24) | (addr->sa_data[1] << 16) |
-+ (addr->sa_data[2] << 8) | (addr->sa_data[3])),
-+ &sw->regs->arl_ctrl[1]);
-+
-+ __raw_writel( ((addr->sa_data[4] << 24) | (addr->sa_data[5] << 16) |
-+ (7 << 4) | (1 << 1)), &sw->regs->arl_ctrl[2]);
-+ __raw_writel((1 << 19), &sw->regs->arl_vlan_cmd);
-+
-+ while (((__raw_readl(&sw->regs->arl_vlan_cmd) & (1 << 21)) == 0)
-+ && cycles < 5000) {
-+ udelay(1);
-+ cycles++;
-+ }
-+ return 0;
-+}
-+
-+static int cns3xxx_change_mtu(struct net_device *netdev, int new_mtu)
-+{
-+ struct port *port = netdev_priv(netdev);
-+ struct sw *sw = port->sw;
-+ u32 temp;
-+ int i;
-+ struct _rx_ring *rx_ring = sw->rx_ring;
-+ struct rx_desc *desc;
-+ struct sk_buff *skb;
-+
-+ if (new_mtu > MAX_MRU)
-+ return -EINVAL;
-+
-+ netdev->mtu = new_mtu;
-+
-+ new_mtu += 36 + SKB_DMA_REALIGN;
-+ port->mtu = new_mtu;
-+
-+ new_mtu = 0;
-+ for (i = 0; i < 3; i++) {
-+ if (switch_port_tab[i]) {
-+ if (switch_port_tab[i]->mtu > new_mtu)
-+ new_mtu = switch_port_tab[i]->mtu;
-+ }
-+ }
-+
-+
-+ if (new_mtu == sw->mtu)
-+ return 0;
-+
-+ disable_irq(IRQ_CNS3XXX_SW_R0RXC);
-+
-+ sw->mtu = new_mtu;
-+
-+ /* Disable DMA */
-+ __raw_writel(TS_SUSPEND | FS_SUSPEND, &sw->regs->dma_auto_poll_cfg);
-+
-+ for (i = 0; i < RX_DESCS; i++) {
-+ desc = &(rx_ring)->desc[i];
-+ /* Check if we own it, if we do, it will get set correctly
-+ * when it is re-used */
-+ if (!desc->cown) {
-+ skb = rx_ring->buff_tab[i];
-+ dma_unmap_single(NULL, desc->sdp, desc->sdl,
-+ DMA_FROM_DEVICE);
-+ dev_kfree_skb(skb);
-+
-+ if ((skb = dev_alloc_skb(new_mtu))) {
-+ if (SKB_DMA_REALIGN)
-+ skb_reserve(skb, SKB_DMA_REALIGN);
-+ skb_reserve(skb, NET_IP_ALIGN);
-+ desc->sdp = dma_map_single(NULL, skb->data,
-+ new_mtu, DMA_FROM_DEVICE);
-+ if (dma_mapping_error(NULL, desc->sdp)) {
-+ dev_kfree_skb(skb);
-+ skb = NULL;
-+ }
-+ }
-+
-+ /* put the new buffer on RX-free queue */
-+ rx_ring->buff_tab[i] = skb;
-+
-+ if (i == RX_DESCS - 1)
-+ desc->config0 = END_OF_RING | FIRST_SEGMENT |
-+ LAST_SEGMENT | new_mtu;
-+ else
-+ desc->config0 = FIRST_SEGMENT |
-+ LAST_SEGMENT | new_mtu;
-+ }
-+ }
-+
-+ /* Re-ENABLE DMA */
-+ temp = __raw_readl(&sw->regs->dma_auto_poll_cfg);
-+ temp &= ~(TS_SUSPEND | FS_SUSPEND);
-+ __raw_writel(temp, &sw->regs->dma_auto_poll_cfg);
-+
-+ __raw_writel((TS_POLL_EN | FS_POLL_EN), &sw->regs->dma_auto_poll_cfg);
-+
-+ enable_irq(IRQ_CNS3XXX_SW_R0RXC);
-+
-+ return 0;
-+}
-+
-+static const struct net_device_ops cns3xxx_netdev_ops = {
-+ .ndo_open = eth_open,
-+ .ndo_stop = eth_close,
-+ .ndo_start_xmit = eth_xmit,
-+ .ndo_set_rx_mode = eth_rx_mode,
-+ .ndo_do_ioctl = eth_ioctl,
-+ .ndo_change_mtu = cns3xxx_change_mtu,
-+ .ndo_set_mac_address = eth_set_mac,
-+ .ndo_validate_addr = eth_validate_addr,
-+};
-+
-+static int __devinit eth_init_one(struct platform_device *pdev)
-+{
-+ int i;
-+ struct port *port;
-+ struct sw *sw;
-+ struct net_device *dev;
-+ struct cns3xxx_plat_info *plat = pdev->dev.platform_data;
-+ u32 regs_phys;
-+ char phy_id[MII_BUS_ID_SIZE + 3];
-+ int err;
-+ u32 temp;
-+
-+ spin_lock_init(&tx_lock);
-+ spin_lock_init(&stat_lock);
-+
-+ if (!(napi_dev = alloc_etherdev(sizeof(struct sw))))
-+ return -ENOMEM;
-+ strcpy(napi_dev->name, "switch%d");
-+
-+ SET_NETDEV_DEV(napi_dev, &pdev->dev);
-+ sw = netdev_priv(napi_dev);
-+ memset(sw, 0, sizeof(struct sw));
-+ sw->regs = (struct switch_regs __iomem *)CNS3XXX_SWITCH_BASE_VIRT;
-+ regs_phys = CNS3XXX_SWITCH_BASE;
-+ sw->mem_res = request_mem_region(regs_phys, REGS_SIZE, napi_dev->name);
-+ if (!sw->mem_res) {
-+ err = -EBUSY;
-+ goto err_free;
-+ }
-+
-+ sw->mtu = 1536 + SKB_DMA_REALIGN;
-+
-+ for (i = 0; i < 4; i++) {
-+ temp = __raw_readl(&sw->regs->mac_cfg[i]);
-+ temp |= (PORT_DISABLE) | 0x80000000;
-+ __raw_writel(temp, &sw->regs->mac_cfg[i]);
-+ }
-+
-+ temp = PORT_DISABLE;
-+ __raw_writel(temp, &sw->regs->mac_cfg[2]);
-+
-+ temp = __raw_readl(&sw->regs->vlan_cfg);
-+ temp |= NIC_MODE | VLAN_UNAWARE;
-+ __raw_writel(temp, &sw->regs->vlan_cfg);
-+
-+ __raw_writel(UNKNOWN_VLAN_TO_CPU | ACCEPT_CRC_PACKET |
-+ CRC_STRIPPING, &sw->regs->mac_glob_cfg);
-+
-+ if (!(sw->rx_ring = kmalloc(sizeof(struct _rx_ring), GFP_KERNEL))) {
-+ err = -ENOMEM;
-+ goto err_free;
-+ }
-+ memset(sw->rx_ring, 0, sizeof(struct _rx_ring));
-+
-+ if (!(sw->tx_ring = kmalloc(sizeof(struct _tx_ring), GFP_KERNEL))) {
-+ err = -ENOMEM;
-+ goto err_free_rx;
-+ }
-+ memset(sw->tx_ring, 0, sizeof(struct _tx_ring));
-+
-+ if ((err = init_rings(sw)) != 0) {
-+ destroy_rings(sw);
-+ err = -ENOMEM;
-+ goto err_free_rings;
-+ }
-+ platform_set_drvdata(pdev, napi_dev);
-+
-+ netif_napi_add(napi_dev, &sw->napi, eth_poll, NAPI_WEIGHT);
-+
-+ for (i = 0; i < 3; i++) {
-+ if (!(plat->ports & (1 << i))) {
-+ continue;
-+ }
-+
-+ if (!(dev = alloc_etherdev(sizeof(struct port)))) {
-+ goto free_ports;
-+ }
-+
-+ //SET_NETDEV_DEV(dev, &pdev->dev);
-+ port = netdev_priv(dev);
-+ port->netdev = dev;
-+ if (i == 2)
-+ port->id = 3;
-+ else
-+ port->id = i;
-+ port->sw = sw;
-+ port->mtu = sw->mtu;
-+
-+ temp = __raw_readl(&sw->regs->mac_cfg[port->id]);
-+ temp |= (PORT_DISABLE);
-+ __raw_writel(temp, &sw->regs->mac_cfg[port->id]);
-+
-+ dev->netdev_ops = &cns3xxx_netdev_ops;
-+ dev->ethtool_ops = &cns3xxx_ethtool_ops;
-+ dev->tx_queue_len = 1000;
-+ dev->features = NETIF_F_HW_CSUM;
-+
-+ dev->vlan_features = NETIF_F_HW_CSUM;
-+
-+ switch_port_tab[i] = port;
-+ memcpy(dev->dev_addr, &plat->hwaddr[i], ETH_ALEN);
-+
-+ snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, "0", plat->phy[i]);
-+ port->phydev = phy_connect(dev, phy_id, &cns3xxx_adjust_link, 0,
-+ PHY_INTERFACE_MODE_RGMII);
-+ if ((err = IS_ERR(port->phydev))) {
-+ switch_port_tab[i] = 0;
-+ free_netdev(dev);
-+ goto free_ports;
-+ }
-+
-+ port->phydev->irq = PHY_POLL;
-+
-+ if ((err = register_netdev(dev))) {
-+ phy_disconnect(port->phydev);
-+ switch_port_tab[i] = 0;
-+ free_netdev(dev);
-+ goto free_ports;
-+ }
-+
-+ printk(KERN_INFO "%s: RGMII PHY %i on cns3xxx Switch\n", dev->name, plat->phy[i]);
-+ netif_carrier_off(dev);
-+ dev = 0;
-+ }
-+
-+ return 0;
-+
-+free_ports:
-+ err = -ENOMEM;
-+ for (--i; i >= 0; i--) {
-+ if (switch_port_tab[i]) {
-+ port = switch_port_tab[i];
-+ dev = port->netdev;
-+ unregister_netdev(dev);
-+ phy_disconnect(port->phydev);
-+ switch_port_tab[i] = 0;
-+ free_netdev(dev);
-+ }
-+ }
-+err_free_rings:
-+ kfree(sw->tx_ring);
-+err_free_rx:
-+ kfree(sw->rx_ring);
-+err_free:
-+ free_netdev(napi_dev);
-+ return err;
-+}
-+
-+static int __devexit eth_remove_one(struct platform_device *pdev)
-+{
-+ struct net_device *dev = platform_get_drvdata(pdev);
-+ struct sw *sw = netdev_priv(dev);
-+ int i;
-+ destroy_rings(sw);
-+
-+ for (i = 2; i >= 0; i--) {
-+ if (switch_port_tab[i]) {
-+ struct port *port = switch_port_tab[i];
-+ struct net_device *dev = port->netdev;
-+ unregister_netdev(dev);
-+ phy_disconnect(port->phydev);
-+ switch_port_tab[i] = 0;
-+ free_netdev(dev);
-+ }
-+ }
-+
-+ release_resource(sw->mem_res);
-+ free_netdev(napi_dev);
-+ return 0;
-+}
-+
-+static struct platform_driver cns3xxx_eth_driver = {
-+ .driver.name = DRV_NAME,
-+ .probe = eth_init_one,
-+ .remove = eth_remove_one,
-+};
-+
-+static int __init eth_init_module(void)
-+{
-+ int err;
-+ if ((err = cns3xxx_mdio_register()))
-+ return err;
-+ return platform_driver_register(&cns3xxx_eth_driver);
-+}
-+
-+static void __exit eth_cleanup_module(void)
-+{
-+ platform_driver_unregister(&cns3xxx_eth_driver);
-+ cns3xxx_mdio_remove();
-+}
-+
-+module_init(eth_init_module);
-+module_exit(eth_cleanup_module);
-+
-+MODULE_AUTHOR("Chris Lang");
-+MODULE_DESCRIPTION("Cavium CNS3xxx Ethernet driver");
-+MODULE_LICENSE("GPL v2");
-+MODULE_ALIAS("platform:cns3xxx_eth");
---- a/arch/arm/mach-cns3xxx/include/mach/hardware.h
-+++ b/arch/arm/mach-cns3xxx/include/mach/hardware.h
-@@ -19,4 +19,6 @@
- #define PCIBIOS_MIN_MEM 0x00000000
- #define pcibios_assign_all_busses() 1
-
-+#include "platform.h"
-+
- #endif
---- /dev/null
-+++ b/arch/arm/mach-cns3xxx/include/mach/platform.h
-@@ -0,0 +1,26 @@
-+/*
-+ * arch/arm/mach-cns3xxx/include/mach/platform.h
-+ *
-+ * Copyright 2011 Gateworks Corporation
-+ * Chris Lang <clang@gateworks.com
-+ *
-+ * This file is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License, Version 2, as
-+ * published by the Free Software Foundation.
-+ *
-+ */
-+
-+#ifndef __ASM_ARCH_PLATFORM_H
-+#define __ASM_ARCH_PLATFORM_H
-+
-+#ifndef __ASSEMBLY__
-+
-+/* Information about built-in Ethernet MAC interfaces */
-+struct cns3xxx_plat_info {
-+ u8 ports; /* Bitmap of enabled Ports */
-+ u8 hwaddr[4][6];
-+ u32 phy[3];
-+};
-+
-+#endif /* __ASM_ARCH_PLATFORM_H */
-+#endif
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