[update] delete extra file

bsp/qemu-vexpress-a9/drivers/drv_loopback.c

@@ -1,105 +0,0 @@
-#include <board.h>
-#include <rtthread.h>
-#include <rtdevice.h>
-#include <automac.h>
-#include <netif/ethernetif.h>
-#include <lwipopts.h>
-
-#include "mmu.h"
-
-static struct eth_device lo_emac = {0};
-rt_uint8_t enetaddr[6];         /* MAC address  */
-
-static rt_err_t loop_emac_init(rt_device_t dev)
-{
-    return RT_EOK;
-}
-
-static rt_err_t loop_emac_control(rt_device_t dev, int cmd, void *args)
-{
-    switch(cmd)
-    {
-    case NIOCTL_GADDR:
-        /* get MAC address */
-        if(args) rt_memcpy(args, enetaddr, 6);
-        else return -RT_ERROR;
-        break;
-
-    default :
-        break;
-    }
-    return RT_EOK;
-}
-
-#ifdef RT_USING_DEVICE_OPS
-const static struct rt_device_ops loop_emac_ops = 
-{
-    loop_emac_init,
-    RT_NULL,
-    RT_NULL,
-    RT_NULL,
-    RT_NULL,
-    loop_emac_control
-};
-#endif
-
-struct pbuf *lo_emac_rx(rt_device_t dev)
-{
-    struct pbuf* p = RT_NULL;
-
-    return p;
-}
-
-rt_err_t lo_emac_tx(rt_device_t dev, struct pbuf* p)
-{
-    return 0;
-}
-
-void lo_eth_device_linkchange(struct eth_device* dev, rt_bool_t up)
-{
-    rt_uint32_t level;
-
-    RT_ASSERT(dev != RT_NULL);
-
-    level = rt_hw_interrupt_disable();
-    dev->link_changed = 0x01;
-    if (up == RT_TRUE)
-        dev->link_status = 0x01;
-    else
-        dev->link_status = 0x00;
-    rt_hw_interrupt_enable(level);
-}
-
-int lo_emac_hw_init(void)
-{
-    /* test MAC address */
-    enetaddr[0] = AUTOMAC0 + 1;
-    enetaddr[1] = AUTOMAC1 + 1;
-    enetaddr[2] = AUTOMAC2 + 1;
-    enetaddr[3] = AUTOMAC3 + 1;
-    enetaddr[4] = AUTOMAC4 + 1;
-    enetaddr[5] = AUTOMAC5 + 1;
-
-#ifdef RT_USING_DEVICE_OPS
-    lo_emac.parent.ops        = &loop_emac_ops;
-#else
-    lo_emacparent.init        = loop_emac_init;
-    lo_emac.parent.open       = RT_NULL;
-    lo_emac.parent.close      = RT_NULL;
-    lo_emac.parent.read       = RT_NULL;
-    lo_emac.parent.write      = RT_NULL;
-    lo_emac.parent.control    = loop_emac_control;
-#endif
-    lo_emac.parent.user_data  = RT_NULL;
-    lo_emac.eth_rx     = RT_NULL;
-    lo_emac.eth_tx     = lo_emac_tx;
-
-    extern rt_err_t af_unix_eth_device_init(struct eth_device * dev, const char *name);
-    /* register ETH device */
-    af_unix_eth_device_init(&lo_emac, "lo");
-
-    lo_eth_device_linkchange(&lo_emac, RT_TRUE);
-
-    return 0;
-}
-INIT_APP_EXPORT(lo_emac_hw_init);