SDATA support for ATI SB400.

Reference: /n/sources/patch/applied/sdata-sb400
Date: Mon Feb  7 12:04:28 CET 2011
Signed-off-by: djc@9grid.fr

--- /sys/src/9/pc/sdata.c	Mon Feb  7 11:56:40 2011
+++ /sys/src/9/pc/sdata.c	Mon Feb  7 14:23:29 2011
@@ -1929,7 +1929,6 @@
 		case (0x4D69<<16)|0x105A:	/* Promise Ultra/133 TX2 */
 		case (0x3373<<16)|0x105A:	/* Promise 20378 RAID */
 		case (0x3149<<16)|0x1106:	/* VIA VT8237 SATA/RAID */
-		case (0x4379<<16)|0x1002:	/* ATI 4379 SATA*/
 		case (0x3112<<16)|0x1095:	/* SiI 3112 SATA/RAID */
 			maxio = 15;
 			span = 8*1024;
@@ -2000,8 +1999,9 @@
 			 * address for the registers (0x50?).
 			 */
 			/*FALLTHROUGH*/
-		case (0x1002<<16)|0x4372:	/* ATI SB400 */
-		case (0x4376<<16)|0x1002:	/* ATI Radeon Xpress 200M */
+		case (0x4376<<16)|0x1002:	/* ATI SB400 PATA */
+		case (0x4379<<16)|0x1002:	/* ATI SB400 SATA */
+		case (0x437a<<16)|0x1002:	/* ATI SB400 SATA */
 			break;
 		case (0x0211<<16)|0x1166:	/* ServerWorks IB6566 */
 			{
--- /sys/src/boot/pc/sdata.c	Mon Feb  7 11:56:47 2011
+++ /sys/src/boot/pc/sdata.c	Mon Feb  7 11:56:43 2011
@@ -1474,7 +1474,6 @@
 		case (0x4D69<<16)|0x105A:	/* Promise Ultra/133 TX2 */
 		case (0x3373<<16)|0x105A:	/* Promise 20378 RAID */
 		case (0x3149<<16)|0x1106:	/* VIA VT8237 SATA/RAID */
-		case (0x4379<<16)|0x1002:	/* ATI 4379 SATA*/
 		case (0x0680<<16)|0x1095:	/* SiI 0680/680A PATA133 ATAPI/RAID */
 		case (0x3112<<16)|0x1095:	/* SiL 3112 SATA (DMA busted?) */
 		case (0x3114<<16)|0x1095:	/* SiL 3114 SATA/RAID */
@@ -1513,6 +1512,9 @@
 			pcicfgw8(p, 0x46, (r & 0x0C)|0xF0);
 			/*FALLTHROUGH*/
 		case (0x7469<<16)|0x1022:	/* AMD 3111 */
+		case (0x4376<<16)|0x1002:	/* ATI SB400 PATA */
+		case (0x4379<<16)|0x1002:	/* ATI SB400 SATA */
+		case (0x437a<<16)|0x1002:	/* ATI SB400 SATA */
 			/*
 			 * This can probably be lumped in with the 768 above.
 			 */