[3c90x] More fine-grained debugging levels

DBG is reserved for errors and important warnings only.
DBG2 for additional information, e.g. "received packet".
DBGP is used to print the name of every function as it is called.

Signed-off-by: Thomas Miletich<thomas.miletich@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/drivers/net/3c90x.c

 {
 	DBGP("a3c90x_reset\n");
 	/* Send the reset command to the card */
-	DBG("3c90x: Issuing RESET\n");
+	DBG2("3c90x: Issuing RESET\n");
 	a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdGlobalReset, 0);
 
 	/* global reset command resets station mask, non-B revision cards
 
 	DBGP("a3c90x_process_tx_packets\n");
 
-	DBG("    tx_cnt: %d\n", p->tx_cnt);
+	DBG2("    tx_cnt: %d\n", p->tx_cnt);
 
 	while (p->tx_tail != p->tx_cur) {
 
 		downlist_ptr = inl(p->IOAddr + regDnListPtr_l);
 
-		DBG("    downlist_ptr: %#08x\n", downlist_ptr);
-		DBG("    tx_tail: %d tx_cur: %d\n", p->tx_tail, p->tx_cur);
+		DBG2("    downlist_ptr: %#08x\n", downlist_ptr);
+		DBG2("    tx_tail: %d tx_cur: %d\n", p->tx_tail, p->tx_cur);
 
 		/* NIC is currently working on this tx desc */
 		if(downlist_ptr == virt_to_bus(p->tx_ring + p->tx_tail))
 
 		netdev_tx_complete(netdev, p->tx_iobuf[p->tx_tail]);
 
-		DBG("transmitted packet\n");
-		DBG("    size: %zd\n", iob_len(p->tx_iobuf[p->tx_tail]));
+		DBG2("transmitted packet\n");
+		DBG2("    size: %zd\n", iob_len(p->tx_iobuf[p->tx_tail]));
 
 		p->tx_tail = (p->tx_tail + 1) % TX_RING_SIZE;
 		p->tx_cnt--;
 static void a3c90x_prepare_rx_desc(struct INF_3C90X *p, unsigned int index)
 {
 	DBGP("a3c90x_prepare_rx_desc\n");
-	DBG("Populating rx_desc %d\n", index);
+	DBG2("Populating rx_desc %d\n", index);
 
 	/* We have to stall the upload engine, so the NIC won't access the
 	 * rx descriptor while we modify it. There is a way around this
 			break;
 
 		if (rx_status & upError) {
-			DBG("Corrupted packet received\n");
+			DBG("Corrupted packet received: %#x\n", rx_status);
 			netdev_rx_err(netdev, p->rx_iobuf[p->rx_cur],
 				      -EINVAL);
 		} else {
 			packet_len = rx_status & 0x1FFF;
 			iob_put(p->rx_iobuf[p->rx_cur], packet_len);
 
-			DBG("received packet\n");
-			DBG("    size: %d\n", packet_len);
+			DBG2("received packet\n");
+			DBG2("    size: %d\n", packet_len);
 
 			netdev_rx(netdev, p->rx_iobuf[p->rx_cur]);
 		}
 	if (int_status & INT_TXCOMPLETE)
 		outb(0x00, p->IOAddr + regTxStatus_b);
 
-	DBG("poll: status = %#04x\n", raw_status);
+	DBG2("poll: status = %#04x\n", raw_status);
 
 	a3c90x_process_tx_packets(netdev);
 
 		mopt &= 0x7F;
 	}
 
-	DBG("Connectors present: ");
+	DBG2("Connectors present: ");
 	c = 0;
 	linktype = 0x0008;
 	if (mopt & 0x01) {
-		DBG("%s100Base-T4", (c++) ? ", " : "");
+		DBG2("%s100Base-T4", (c++) ? ", " : "");
 		linktype = linkMII;
 	}
 	if (mopt & 0x04) {
-		DBG("%s100Base-FX", (c++) ? ", " : "");
+		DBG2("%s100Base-FX", (c++) ? ", " : "");
 		linktype = link100BaseFX;
 	}
 	if (mopt & 0x10) {
-		DBG("%s10Base-2", (c++) ? ", " : "");
+		DBG2("%s10Base-2", (c++) ? ", " : "");
 		linktype = link10Base2;
 	}
 	if (mopt & 0x20) {
-		DBG("%sAUI", (c++) ? ", " : "");
+		DBG2("%sAUI", (c++) ? ", " : "");
 		linktype = linkAUI;
 	}
 	if (mopt & 0x40) {
-		DBG("%sMII", (c++) ? ", " : "");
+		DBG2("%sMII", (c++) ? ", " : "");
 		linktype = linkMII;
 	}
 	if ((mopt & 0xA) == 0xA) {
-		DBG("%s10Base-T / 100Base-TX", (c++) ? ", " : "");
+		DBG2("%s10Base-T / 100Base-TX", (c++) ? ", " : "");
 		linktype = linkAutoneg;
 	} else if ((mopt & 0xA) == 0x2) {
-		DBG("%s100Base-TX", (c++) ? ", " : "");
+		DBG2("%s100Base-TX", (c++) ? ", " : "");
 		linktype = linkAutoneg;
 	} else if ((mopt & 0xA) == 0x8) {
-		DBG("%s10Base-T", (c++) ? ", " : "");
+		DBG2("%s10Base-T", (c++) ? ", " : "");
 		linktype = linkAutoneg;
 	}
-	DBG(".\n");
+	DBG2(".\n");
 
 	/* Determine transceiver type to use, depending on value stored in
 	* eeprom 0x16
 	cfg &= ~(0xF << 20);
 	cfg |= (linktype << 20);
 
-	DBG("Setting internal cfg register: 0x%08X (linktype: 0x%02X)\n",
+	DBG2("Setting internal cfg register: 0x%08X (linktype: 0x%02X)\n",
 	    cfg, linktype);
 
 	outl(cfg, inf_3c90x->IOAddr + regInternalConfig_3_l);
 		break;
 	}
 
-	DBG("[3c90x]: found NIC(0x%04X, 0x%04X), isBrev=%d, is3c556=%d\n",
+	DBG2("[3c90x]: found NIC(0x%04X, 0x%04X), isBrev=%d, is3c556=%d\n",
 	    pci->vendor, pci->device, inf_3c90x->isBrev,
 	    inf_3c90x->is3c556);