Add a small serial driver

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

diff --git a/net/3c90x.c b/net/3c90x.c
index 64f1d0184caa5ef20cddbc05ff222a9fca21c6fa..336e2a705ddca35b5d64581d145a55993a986c66 100644 (file)
--- a/net/3c90x.c
+++ b/net/3c90x.c
@@ -51,7 +51,7 @@
  ** 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
@@ -492,8 +492,6 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
                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 */);
 
                hdr.type = htons(proto);
@@ -510,43 +508,28 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
                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");
                _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */);
                
-               outputf("3c90x: waiting for download pointer");
                oneshot_start_ms(100);
                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);
+                       outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b));
+                       outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w));
                        continue;
                }
                status = inb(INF_3C90X.IOAddr + regTxStatus_b);
                outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
                
-               _issue_command(INF_3C90X.IOAddr, cmdAcknowledgeInterrupt, INT_TXCOMPLETE);
-
                /** successful completion (sans "interrupt Requested" bit) **/
                if ((status & 0xbf) == 0x80)
                        return;
@@ -700,7 +683,7 @@ 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_bother_add(pci);
+    pci_bother_add(pci);
     nic.ioaddr = ioaddr & ~3;
     nic.irqno = 0;