- /** Stall the download engine **/
- a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdStallCtl, 2);
-
- /** Make sure the card is not waiting on us **/
- inw(INF_3C90X.IOAddr + regCommandIntStatus_w);
- inw(INF_3C90X.IOAddr + regCommandIntStatus_w);
-
- while (inw(INF_3C90X.IOAddr+regCommandIntStatus_w) &
- INT_CMDINPROGRESS)
- ;
-
- /** Set the ethernet packet type **/
- hdr.type = htons(proto);
-
- /** Copy the destination address **/
- memcpy(hdr.dst_addr, dest_addr, ETH_ALEN);
-
- /** Copy our MAC address **/
- 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) **/
- 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 **/
- _outl(virt_to_bus(&(INF_3C90X.TransmitDPD)),
- INF_3C90X.IOAddr + regDnListPtr_l);
-
- /** End Stall and Wait for upload to complete. **/
- a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdStallCtl, 3);
- while(inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0)
- ;
-
- /** Wait for NIC Transmit to Complete **/
- oneshot_start_ms(10); /* Give it 10 ms */
- while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w)&0x0004) &&
- oneshot_running())
- ;
-
- if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w)&0x0004))
- {
- outputf("3C90X: Tx Timeout");
- continue;
- }
-
- status = inb(INF_3C90X.IOAddr + regTxStatus_b);
-
- /** acknowledge transmit interrupt by writing status **/
- _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
-
- /** successful completion (sans "interrupt Requested" bit) **/
- if ((status & 0xbf) == 0x80)
- return;
-
- outputf("3C90X: Status (%hhX)", status);
- /** check error codes **/
- if (status & 0x02)
- {
- outputf("3C90X: Tx Reclaim Error (%hhX)", status);
- a3c90x_reset();
- }
- else if (status & 0x04)
- {
- outputf("3C90X: Tx Status Overflow (%hhX)", status);
- for (i=0; i<32; i++)
- _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
- /** must re-enable after max collisions before re-issuing tx **/
- a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
- }
- else if (status & 0x08)
- {
- outputf("3C90X: Tx Max Collisions (%hhX)", status);
- /** must re-enable after max collisions before re-issuing tx **/
- a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
- }
- else if (status & 0x10)
- {
- outputf("3C90X: Tx Underrun (%hhX)", status);
- a3c90x_reset();
- }
- else if (status & 0x20)
- {
- outputf("3C90X: Tx Jabber (%hhX)", status);
- a3c90x_reset();
- }
- else if ((status & 0x80) != 0x80)
- {
- outputf("3C90X: Internal Error - Incomplete Transmission (%hhX)",
- status);
- a3c90x_reset();
- }
+ if (retries != 0)
+ outputf("3c90x: retrying packet send (%d)", retries);
+
+ _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) **/
+ 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 **/
+ outl(INF_3C90X.IOAddr + regDnListPtr_l, virt_to_bus(&(INF_3C90X.TransmitDPD)));
+ _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */);
+
+ oneshot_start_ms(100);
+ while((inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) && oneshot_running())
+ ;
+ if (!oneshot_running())
+ outputf("3c90x: Download engine pointer timeout");
+
+ 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? 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);
+
+ /** successful completion (sans "interrupt Requested" bit) **/
+ if ((status & 0xbf) == 0x80)
+ return;
+
+ outputf("3c90x: Status (%hhX)", status);
+ /** check error codes **/
+ if (status & 0x02)
+ {
+ outputf("3c90x: Tx Reclaim Error (%hhX)", status);
+ a3c90x_reset();
+ } else if (status & 0x04) {
+ outputf("3c90x: Tx Status Overflow (%hhX)", status);
+ for (i=0; i<32; i++)
+ _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
+ /** must re-enable after max collisions before re-issuing tx **/
+ _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0);
+ } else if (status & 0x08) {
+ outputf("3c90x: Tx Max Collisions (%hhX)", status);
+ /** must re-enable after max collisions before re-issuing tx **/
+ _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0);
+ } else if (status & 0x10) {
+ outputf("3c90x: Tx Underrun (%hhX)", status);
+ a3c90x_reset();
+ } else if (status & 0x20) {
+ outputf("3c90x: Tx Jabber (%hhX)", status);
+ a3c90x_reset();
+ } else if ((status & 0x80) != 0x80) {
+ outputf("3c90x: Internal Error - Incomplete Transmission (%hhX)", status);
+ a3c90x_reset();
+ }