[LV-kern-commit] CVS: kernel-2.4/include/asm-vax dma.h,1.1,1.2

[Andy P. <at...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/include/asm-vax
In directory usw-pr-cvs1:/tmp/cvs-serv31609/include/asm-vax

Modified Files:
	dma.h 
Log Message:
implement DMA memory zone for ISA heritage peripherals. 
Tell vaxlance.c to use memory in DMA zone for now.



Index: dma.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/dma.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- dma.h	2001/01/17 16:18:52	1.1
+++ dma.h	2001/06/16 14:05:30	1.2
@@ -1,9 +1,10 @@
 #ifndef _VAX_DMA_H
 #define _VAX_DMA_H 1
 
-/* FIXME: this is just here to get dma.c to compile.*/
+/* Some peripherals are limited by their PC/ISA designs/heritage. */
 
-#define MAX_DMA_ADDRESS PAGE_OFFSET  
+/* max dma address is 16mb used in mm/init.c*/ 
+#define MAX_DMA_ADDRESS (PAGE_OFFSET+0x1000000)
 #define MAX_DMA_CHANNELS 8
 
 extern int request_dma(unsigned int dmanr, const char * device_id);	/* reserve a DMA channel */