Plan 9 from Bell Labs 2003-04-15

khm · Apr 15, 2003 · b24f48e · b24f48e
1 parent 8a21138
commit b24f48e
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Showing 2 changed files with 19 additions and 2 deletions.
diff --git a/pc/sd53c8xx.c b/pc/sd53c8xx.c
@@ -52,8 +52,8 @@ extern SDifc sd53c8xxifc;
 
 #else
 
-#define KPRINT	if(1) print
-#define IPRINT	if(1) print
+#define KPRINT	if(0) print
+#define IPRINT	if(0) print
 #define DEBUG(n)	(0)
 #define IFLUSH()
 

diff --git a/pc/sdata.c b/pc/sdata.c
@@ -1721,6 +1721,23 @@ atapnp(void)
 			 * Bugfix code here...
 			 */
 			break;
+		case (0x7441<<16)|0x1022:	/* AMD 768 */
+			/*
+			 * Set:
+			 *	0x41	prefetch, postwrite;
+			 *	0x43	FIFO configuration 1/2 and 1/2;
+			 *	0x44	status register read retry;
+			 *	0x46	DMA read and end of sector flush.
+			 */
+			r = pcicfgr8(p, 0x41);
+			pcicfgw8(p, 0x41, r|0xF0);
+			r = pcicfgr8(p, 0x43);
+			pcicfgw8(p, 0x43, (r & 0x90)|0x2A);
+			r = pcicfgr8(p, 0x44);
+			pcicfgw8(p, 0x44, r|0x08);
+			r = pcicfgr8(p, 0x46);
+			pcicfgw8(p, 0x46, (r & 0x0C)|0xF0);
+			break;
 		case (0x0646<<16)|0x1095:	/* CMD 646 */
 		case (0x0571<<16)|0x1106:	/* VIA 82C686 */
 		case (0x0211<<16)|0x1166:	/* ServerWorks IB6566 */