diff --git a/drivers/usb/uhci/detect.inc b/drivers/usb/uhci/detect.inc
index 8ae16f99ab..975f9ed777 100644
--- a/drivers/usb/uhci/detect.inc
+++ b/drivers/usb/uhci/detect.inc
@@ -41,6 +41,9 @@ bool FindUSBControllers()
             hc->pciId  = PciRead32(bus,devfn, 0);
             hc->PciTag = pciTag(bus,(devfn>>3)&0x1F,devfn&0x7);
 
+            hc->irq_line = PciRead32(bus,devfn, 0x3C) & 0xFF;
+            dbgprintf("Host IRQ %d\n", hc->irq_line);
+
             for (i = 0; i < 6; i++)
             {
                 u32_t base;
diff --git a/drivers/usb/uhci/hcd.inc b/drivers/usb/uhci/hcd.inc
index 37eff3f31d..986f1b0cb4 100644
--- a/drivers/usb/uhci/hcd.inc
+++ b/drivers/usb/uhci/hcd.inc
@@ -1,9 +1,12 @@
 
 #define UHCI_USBLEGSUP          0x00c0  /* legacy support */
-#define UHCI_USBCMD                  0  /* command register */
-#define UHCI_USBINTR                 4  /* interrupt register */
+#define UHCI_USBLEGSUP_DEFAULT  0x2000  /* only PIRQ enable set */
 #define UHCI_USBLEGSUP_RWC      0x8f00  /* the R/WC bits */
 #define UHCI_USBLEGSUP_RO       0x5040  /* R/O and reserved bits */
+
+
+#define UHCI_USBCMD                  0  /* command register */
+#define UHCI_USBINTR                 4  /* interrupt register */
 #define UHCI_USBCMD_RUN         0x0001  /* RUN/STOP bit */
 #define UHCI_USBCMD_HCRESET     0x0002  /* Host Controller reset */
 #define UHCI_USBCMD_EGSM        0x0008  /* Global Suspend Mode */
@@ -117,12 +120,38 @@ reset_needed:
 	return 1;
 }
 
+void hc_interrupt()
+{
+    hc_t   *hc;
+
+    printf("USB interrupt\n");
+
+    hc = (hc_t*)hc_list.next;
+
+    while( &hc->list != &hc_list)
+    {
+        hc_t  *tmp;
+        u16_t  status;
+
+        tmp = hc;
+        hc = (hc_t*)hc->list.next;
+
+        status = in16(tmp->iobase + USBSTS);
+        if (!(status & ~USBSTS_HCH))            /* shared interrupt, not mine */
+            continue;
+        out16(tmp->iobase + USBSTS, status);     /* Clear it */
+    }
+
+};
+
+
 
 bool init_hc(hc_t *hc)
 {
     int    port;
     u32_t  ifl;
     u16_t  dev_status;
+    td_t   *td;
     int i;
 
     dbgprintf("\n\ninit uhci %x\n\n", hc->pciId);
@@ -166,18 +195,42 @@ bool init_hc(hc_t *hc)
     hc->frame_dma    = GetPgAddr(hc->frame_base);
     hc->frame_number = 0;
 
+
+    for (i = 0; i < UHCI_NUM_SKELQH; i++)
+    {
     qh_t *qh = alloc_qh();
 
     qh->qlink = 1;
     qh->qelem = 1;
 
-    hc->qh1 = qh;
+        hc->qh[i] = qh;
+    }
+    for (i = SKEL_ISO + 1; i < SKEL_ASYNC; ++i)
+        hc->qh[i]->qlink = hc->qh[SKEL_ASYNC]->dma | 2;
 
- //   dbgprintf("alloc qh %x dma %x\n", qh, qh->dma);
+/*
+    td = alloc_td();
 
-    for(i=0; i<1024; i++)
-        hc->frame_base[i] = qh->dma | 2;
+    td->link   = 1;
+    td->status =  (1<<24) | (1<<23) ;
+    td->token  = TOKEN( 0x7FF, DATA0, 0, 0, 0xE1);
+    td->buffer = 0;
+    td->bk     = NULL;
+*/
 
+    for (i = 0; i < 1024; i++)
+    {
+        int qnum;
+
+        qnum = 8 - (int) __bsf( i | 1024);
+
+        if (qnum <= 1)
+            qnum = 9;
+
+        hc->frame_base[i] = hc->qh[qnum]->dma | 2;
+    }
+
+    mb();
 
     /* Set the frame length to the default: 1 ms exactly */
     out8(hc->iobase + USBSOF, USBSOF_DEFAULT);
@@ -189,6 +242,13 @@ bool init_hc(hc_t *hc)
     out16(hc->iobase + USBFRNUM, 0);
 
     out16(hc->iobase + USBSTS, 0x3F);
+
+    out16(hc->iobase + UHCI_USBINTR, 4);
+
+    AttachIntHandler(hc->irq_line, hc_interrupt, 0);
+
+    pciWriteWord(hc->PciTag, UHCI_USBLEGSUP, UHCI_USBLEGSUP_DEFAULT);
+
     out16(hc->iobase + USBCMD, USBCMD_RS | USBCMD_CF |
                                USBCMD_MAXP);
 
@@ -347,7 +407,7 @@ request_t *create_request(udev_t *dev, endp_t *enp, u32_t dir,
 
         if( td_prev )
             td_prev->link   = td->dma | 4;
-        td->status = 0x00800000 | dev->speed;
+        td->status = TD_CTRL_ACTIVE | dev->speed;
         td->token  = TOKEN(packet_size,enp->toggle,enp->address,
                            dev->addr,dir);
         td->buffer = data_dma;
@@ -358,17 +418,10 @@ request_t *create_request(udev_t *dev, endp_t *enp, u32_t dir,
         data_dma+= packet_size;
         size-= packet_size;
         enp->toggle ^= DATA1;
-    }
+    };
+
+    td->status |= TD_CTRL_IOC;
     rq->td_tail = td;
-/*
-    dbgprintf("create request %x\n"
-              "head           %x\n"
-              "tail           %x\n"
-              "data           %x\n"
-              "size           %x\n",
-              rq, rq->td_head, rq->td_tail,
-              rq->data, rq->size);
-*/
     return rq;
 }
 
@@ -405,7 +458,7 @@ bool ctrl_request(udev_t *dev, void *req, u32_t pid,
 
         td = alloc_td();
         td_prev->link   = td->dma | 4;
-        td->status = 0x00800000 | dev->speed;
+        td->status = TD_CTRL_ACTIVE | dev->speed;
         td->token  = TOKEN(packet_size, toggle, 0,dev->addr, pid);
         td->buffer = data_dma;
         td->bk     = td_prev;
@@ -423,15 +476,17 @@ bool ctrl_request(udev_t *dev, void *req, u32_t pid,
     pid = (pid == DIN) ? DOUT : DIN;
 
     td->link = 1;
-    td->status = 0x00800000 | dev->speed;
+    td->status = TD_CTRL_ACTIVE | TD_CTRL_IOC | dev->speed ;
     td->token  = (0x7FF<<21)|DATA1|(dev->addr<<8)|pid;
     td->buffer = 0;
     td->bk     = td_prev;
 
-    qh = dev->host->qh1;
+    qh = dev->host->qh[SKEL_ASYNC];
 
     qh->qelem = td0->dma;
-    __asm__ __volatile__ ("":::"memory");
+
+    mb();
+ //   __asm__ __volatile__ ("":::"memory");
 
     count_t timeout  = 25;
     while(timeout--){
diff --git a/drivers/usb/uhci/hid.inc b/drivers/usb/uhci/hid.inc
index 265cb74e45..698d5b73b1 100644
--- a/drivers/usb/uhci/hid.inc
+++ b/drivers/usb/uhci/hid.inc
@@ -112,7 +112,7 @@ bool mouse_handler(udev_t *dev, struct tag_request *rq)
         pkt = (struct boot_packet *)rq->data;
         SetMouseData(pkt->buttons, pkt->x, -pkt->y, -pkt->z, 0);
     };
-    td->status = 0x00800000 | dev->speed;
+    td->status = TD_CTRL_ACTIVE | TD_CTRL_IOC | dev->speed;
     td->token ^= DATA1;
 
     return true;
@@ -145,6 +145,7 @@ void create_hid_mouse(udev_t *dev, endpoint_descr_t *en_d)
     packet = kzalloc(enp.size, 0);
 
     rq = create_request(dev, &enp, DIN, packet, enp.size);
+    rq->qnum = 6;
     rq->handler = &mouse_handler;
 
     list_add_tail(&rq->list, &rq_list);
diff --git a/drivers/usb/uhci/usb.c b/drivers/usb/uhci/usb.c
index 68afba4e4e..365a610ae6 100644
--- a/drivers/usb/uhci/usb.c
+++ b/drivers/usb/uhci/usb.c
@@ -113,11 +113,12 @@ u32_t drvEntry(int action, char *cmdline)
 
             td  = rq->td_head;
             dev = rq->dev;
-            qh  = dev->host->qh1;
 
+            qh = dev->host->qh[rq->qnum];
             qh->qelem = td->dma;
 
-            __asm__ __volatile__ ("":::"memory");
+            mb();
+
             rq = (request_t*)rq->list.next;
         };
 
diff --git a/drivers/usb/uhci/usb.h b/drivers/usb/uhci/usb.h
index e04283f79f..30c590cf71 100644
--- a/drivers/usb/uhci/usb.h
+++ b/drivers/usb/uhci/usb.h
@@ -38,6 +38,23 @@ typedef struct
 
 }qh_t __attribute__((aligned(16)));
 
+
+#define UHCI_NUM_SKELQH 11
+
+#define SKEL_ISO        1
+#define SKEL_ASYNC      9
+
+/*
+#define     QH_1    0
+#define     QH_2    1
+#define     QH_4    2
+#define     QH_8    3
+#define     QH_16   4
+#define     QH_32   5
+#define     QH_64   6
+*/
+
+
 typedef struct
 {
     list_t  list;
@@ -48,7 +65,7 @@ typedef struct
     count_t frame_number;
     addr_t  frame_dma;
 
-    qh_t   *qh1;
+    qh_t   *qh[UHCI_NUM_SKELQH];
 
     u32_t  *data;
     addr_t  data_dma;
@@ -63,6 +80,7 @@ typedef struct
     addr_t  memBase[6];
     size_t  memSize[6];
     u32_t   memType[6];
+    u32_t   irq_line;
 }hc_t;
 
 typedef struct tag_td
@@ -214,6 +232,7 @@ typedef struct   tag_request
     size_t        size;
     udev_t       *dev;
     u32_t         type;
+    int           qnum;
     bool        (*handler)(udev_t *dev, struct   tag_request *rq);
 }request_t;
 
@@ -248,3 +267,13 @@ struct boot_packet
 #define DATA0  (0<<19)
 #define DATA1  (1<<19)
 
+
+
+static inline u32_t __bsf(u32_t val)
+{
+    asm("bsf %1,%0"
+        :"=r" (val)
+        :"rm" (val));
+    return val;
+}
+