Merge branch 'master' of nyus:/storage/git/netwatch

[netwatch.git] / net / 3c90x.c

diff --git a/net/3c90x.c b/net/3c90x.c
index 64f1d0184caa5ef20cddbc05ff222a9fca21c6fa..46fe6f121546a9d3ce470daa0434b1d6725a4dce 100644 (file)
--- a/net/3c90x.c
+++ b/net/3c90x.c
@@ -45,13 +45,14 @@
 #include <pci-bother.h>
 #include <minilib.h>
 #include <output.h>
 #include <pci-bother.h>
 #include <minilib.h>
 #include <output.h>

+#include <paging.h>

 
 #define        XCVR_MAGIC      (0x5A00)
 /** any single transmission fails after 16 collisions or other errors
  ** this is the number of times to retry the transmission -- this should
  ** be plenty
  **/
 
 #define        XCVR_MAGIC      (0x5A00)
 /** any single transmission fails after 16 collisions or other errors
  ** this is the number of times to retry the transmission -- this should
  ** be plenty
  **/

-#define        XMIT_RETRIES    1
+#define        XMIT_RETRIES    5

 
 /*** Register definitions for the 3c905 ***/
 enum Registers
 
 /*** Register definitions for the 3c905 ***/
 enum Registers


@@ -223,8 +224,6 @@ typedef struct
     {
     unsigned int       DnNextPtr;
     unsigned int       FrameStartHeader;
     {
     unsigned int       DnNextPtr;
     unsigned int       FrameStartHeader;

-    unsigned int       HdrAddr;
-    unsigned int       HdrLength;

     unsigned int       DataAddr;
     unsigned int       DataLength;
     }
     unsigned int       DataAddr;
     unsigned int       DataLength;
     }


@@ -474,79 +473,58 @@ static void a3c90x_reset(void)
  *** pkt - the pointer to the packet data itself.
  ***/
 static void
  *** pkt - the pointer to the packet data itself.
  ***/
 static void

-a3c90x_transmit(const char *dest_addr, unsigned int proto,
-                unsigned int size, const char *pkt)
+a3c90x_transmit(unsigned int size, const char *pkt)

 {
 {

-       struct eth_hdr
-       {
-               unsigned char dst_addr[ETH_ALEN];
-               unsigned char src_addr[ETH_ALEN];
-               unsigned short type;
-       } hdr;
-               

        unsigned char status;
        unsigned int i, retries;
        unsigned char status;
        unsigned int i, retries;

+       static unsigned int stillwaiting = 0;
+
+       if (stillwaiting)
+       {
+               while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running())
+                       ;
+               if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE))
+               {
+                       outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b));
+                       outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w));
+               }
+               status = inb(INF_3C90X.IOAddr + regTxStatus_b);
+               outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
+               stillwaiting = 0;
+       }

 
        for (retries=0; retries < XMIT_RETRIES; retries++)
        {
                if (retries != 0)
                        outputf("3c90x: retrying packet send (%d)", retries);
                
 
        for (retries=0; retries < XMIT_RETRIES; retries++)
        {
                if (retries != 0)
                        outputf("3c90x: retrying packet send (%d)", retries);
                

-               /** Stall the download engine **/
-               outputf("3c90x: stalling transmit engine");

                _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 2 /* Stall download */);
 
                _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 2 /* Stall download */);
 

-               hdr.type = htons(proto);
-               memcpy(hdr.dst_addr, dest_addr, ETH_ALEN);
-               memcpy(hdr.src_addr, INF_3C90X.HWAddr, ETH_ALEN);
-

                /** Setup the DPD (download descriptor) **/
                INF_3C90X.TransmitDPD.DnNextPtr = 0;
                /** set notification for transmission completion (bit 15) **/
                /** Setup the DPD (download descriptor) **/
                INF_3C90X.TransmitDPD.DnNextPtr = 0;
                /** set notification for transmission completion (bit 15) **/

-               INF_3C90X.TransmitDPD.FrameStartHeader = (size + sizeof(hdr)) | 0x8000;
-               INF_3C90X.TransmitDPD.HdrAddr = virt_to_bus(&hdr);
-               INF_3C90X.TransmitDPD.HdrLength = sizeof(hdr);
-               INF_3C90X.TransmitDPD.DataAddr = virt_to_bus(pkt);
+               INF_3C90X.TransmitDPD.FrameStartHeader = (size) | 0x8000;
+               INF_3C90X.TransmitDPD.DataAddr = v2p((void*)pkt);

                INF_3C90X.TransmitDPD.DataLength = size + (1<<31);
 
                /** Send the packet **/
                INF_3C90X.TransmitDPD.DataLength = size + (1<<31);
 
                /** Send the packet **/

-               outputf("3c90x: pointing card at %08x", virt_to_bus(&(INF_3C90X.TransmitDPD)));
-               outl(INF_3C90X.IOAddr + regDnListPtr_l, virt_to_bus(&(INF_3C90X.TransmitDPD)));
-
-               outputf("3c90x: unstalling transmit engine");
+               outl(INF_3C90X.IOAddr + regDnListPtr_l, v2p(&(INF_3C90X.TransmitDPD)));

                _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */);
                
                _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */);
                

-               outputf("3c90x: waiting for download pointer");
-               oneshot_start_ms(100);
+               oneshot_start_ms(10);

                while((inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) && oneshot_running())
                        ;
                if (!oneshot_running())
                {
                        outputf("3c90x: Download engine pointer timeout");
                while((inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) && oneshot_running())
                        ;
                if (!oneshot_running())
                {
                        outputf("3c90x: Download engine pointer timeout");

-               }
-
-               outputf("3c90x: waiting for TXCOMPLETE");
-               oneshot_start_ms(10);   /* Give it 10 ms */
-               while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running())
-                       ;
-
-               if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE))
-               {
-                       outputf("3c90x: tx timeout? stat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b));
-                       _issue_command(INF_3C90X.IOAddr, cmdTxReset, 0);
-    if (! INF_3C90X.isBrev)
-       _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);
-    _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0);
-    _issue_command(INF_3C90X.IOAddr, cmdSetInterruptEnable, 0);
-    _issue_command(INF_3C90X.IOAddr, cmdSetIndicationEnable, 0x0014);
-    _issue_command(INF_3C90X.IOAddr, cmdAcknowledgeInterrupt, 0x661);

                        continue;
                }
                        continue;
                }

-               status = inb(INF_3C90X.IOAddr + regTxStatus_b);
-               outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
-               
-               _issue_command(INF_3C90X.IOAddr, cmdAcknowledgeInterrupt, INT_TXCOMPLETE);

 
 

+               oneshot_start_ms(10);
+               stillwaiting = 1;
+               break;
+               
+#if 0          

                /** successful completion (sans "interrupt Requested" bit) **/
                if ((status & 0xbf) == 0x80)
                        return;
                /** successful completion (sans "interrupt Requested" bit) **/
                if ((status & 0xbf) == 0x80)
                        return;


@@ -577,6 +555,7 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
                        outputf("3c90x: Internal Error - Incomplete Transmission (%hhX)", status);
                        a3c90x_reset();
                }
                        outputf("3c90x: Internal Error - Incomplete Transmission (%hhX)", status);
                        a3c90x_reset();
                }

+#endif

        }
 
        /** failed after RETRY attempts **/
        }
 
        /** failed after RETRY attempts **/


@@ -610,11 +589,11 @@ a3c90x_poll(struct nic *nic, int retrieve)
     /** Build the up-load descriptor **/
     INF_3C90X.ReceiveUPD.UpNextPtr = 0;
     INF_3C90X.ReceiveUPD.UpPktStatus = 0;
     /** Build the up-load descriptor **/
     INF_3C90X.ReceiveUPD.UpNextPtr = 0;
     INF_3C90X.ReceiveUPD.UpPktStatus = 0;

-    INF_3C90X.ReceiveUPD.DataAddr = virt_to_bus(nic->packet);
+    INF_3C90X.ReceiveUPD.DataAddr = v2p(nic->packet);

     INF_3C90X.ReceiveUPD.DataLength = 1536 + (1<<31);
 
     /** Submit the upload descriptor to the NIC **/
     INF_3C90X.ReceiveUPD.DataLength = 1536 + (1<<31);
 
     /** Submit the upload descriptor to the NIC **/

-    _outl(virt_to_bus(&(INF_3C90X.ReceiveUPD)),
+    _outl(v2p(&(INF_3C90X.ReceiveUPD)),

          INF_3C90X.IOAddr + regUpListPtr_l);
 
     /** Wait for upload completion (upComplete(15) or upError (14)) **/
          INF_3C90X.IOAddr + regUpListPtr_l);
 
     /** Wait for upload completion (upComplete(15) or upError (14)) **/


@@ -700,7 +679,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
        pci_read16(pci->bus, pci->dev, pci->fn, 0xE0) & ~0x3);
     
     outputf("3c90x: Picked I/O address %04x", ioaddr);
        pci_read16(pci->bus, pci->dev, pci->fn, 0xE0) & ~0x3);
     
     outputf("3c90x: Picked I/O address %04x", ioaddr);

-//    pci_bother_add(pci);
+    pci_bother_add(pci);

     nic.ioaddr = ioaddr & ~3;
     nic.irqno = 0;
 
     nic.ioaddr = ioaddr & ~3;
     nic.irqno = 0;
 


@@ -953,6 +932,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     /* * Set our exported functions **/
     nic.poll     = a3c90x_poll;
     nic.transmit = a3c90x_transmit;
     /* * Set our exported functions **/
     nic.poll     = a3c90x_poll;
     nic.transmit = a3c90x_transmit;

+    memcpy(nic.hwaddr, INF_3C90X.HWAddr, 6);

     eth_register(&nic);
 
     return 1;
     eth_register(&nic);
 
     return 1;