This patch adds support for the Intel PRO/1000 GT Desktop, that
uses the i82541PI chipset, which is compatible with i82541GI.

Reference: /n/sources/patch/applied/i82541ip
Date: Sat Aug  6 20:38:30 CES 2005

--- /sys/src/9/pc/etherigbe.c	Sat Aug  6 20:38:18 2005
+++ /sys/src/9/pc/etherigbe.c	Sat Aug  6 20:38:07 2005
@@ -38,6 +38,7 @@
 	i82547gi   	= (0x1075<<16)|0x8086,
 	i82541gi   	= (0x1076<<16)|0x8086,
 	i82546gb   	= (0x1079<<16)|0x8086,
+	i82541pi	= (0x107c<<16)|0x8086,
 	i82546eb	= (0x1010<<16)|0x8086,
 };
 
@@ -828,6 +829,7 @@
 		case i82540eplp:
 		case i82547gi:
 		case i82541gi:
+		case i82541pi:
 			break;
 		}
 
@@ -877,6 +879,7 @@
 	case i82540em:
 	case i82540eplp:
 	case i82541gi:
+	case i82541pi:
 	case i82546gb:
 	case i82546eb:
 	case i82547gi:
@@ -916,6 +919,7 @@
 	case i82546gb:
 	case i82546eb:
 	case i82541gi:
+	case i82541pi:
 		r = csr32r(ctlr, Txdctl);
 		r &= ~WthreshMASK;
 		r |= Gran|(4<<WthreshSHIFT);
@@ -1044,6 +1048,7 @@
 	case i82540em:
 	case i82540eplp:
 	case i82541gi:
+	case i82541pi:
 	case i82546gb:
 	case i82546eb:
 	case i82547gi:
@@ -1438,6 +1443,7 @@
 	case i82540eplp:
 	case i82547gi:
 	case i82541gi:
+	case i82541pi:
 	case i82546gb:
 	case i82546eb:
 		ctrl &= ~(Frcdplx|Frcspd);
@@ -1592,6 +1598,7 @@
 	case i82540em:
 	case i82540eplp:
 	case i82541gi:
+	case i82541pi:
 	case i82547gi:
 	case i82546gb:
 	case i82546eb:
@@ -1674,6 +1681,7 @@
 	case i82540em:
 	case i82540eplp:
 	case i82541gi:
+	case i82541pi:
 	case i82547gi:
 	case i82546gb:
 	case i82546eb:
@@ -1843,6 +1851,7 @@
 		case i82540eplp:
 		case i82547gi:
 		case i82541gi:
+		case i82541pi:
 		case i82546gb:
 		case i82546eb:
 			break;