** 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
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);
/** 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.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.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())
;
case 4: test[i] = 'L'; break;
}
}
- outputf("eth_poll: Attempting to tx");
_nic->transmit("\x00\x03\x93\x87\x84\x8C", 0x1337, 1024, test);
- outputf("eth_poll: tx complete");
}
int eth_register(struct nic *nic)
void eth_init()
{
- if (pci_probe_driver(a3c90x_driver))
- outputf("found 3c90x, hopefully!");
+ /* Required for DMA to work. :( */
+ smram_tseg_set_state(SMRAM_TSEG_OPEN);
+ pci_probe_driver(a3c90x_driver);
}