Update of /cvsroot/linux-mips/linux/include/asm-mips64
In directory usw-pr-cvs1:/tmp/cvs-serv6506
Modified Files:
io.h
Log Message:
Fix base address for isa_* functions.
Index: io.h
===================================================================
RCS file: /cvsroot/linux-mips/linux/include/asm-mips64/io.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- io.h 2001/10/31 18:26:52 1.7
+++ io.h 2001/11/12 18:37:56 1.8
@@ -128,6 +128,26 @@
extern unsigned long isa_slot_offset;
/*
+ * ISA space is 'always mapped' on currently supported MIPS systems, no need
+ * to explicitly ioremap() it. The fact that the ISA IO space is mapped
+ * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
+ * are physical addresses. The following constant pointer can be
+ * used as the IO-area pointer (it can be iounmapped as well, so the
+ * analogy with PCI is quite large):
+ */
+#define __ISA_IO_base ((char *)(isa_slot_offset))
+
+#define isa_readb(a) readb(__ISA_IO_base + (a))
+#define isa_readw(a) readw(__ISA_IO_base + (a))
+#define isa_readl(a) readl(__ISA_IO_base + (a))
+#define isa_writeb(b,a) writeb(b,__ISA_IO_base + (a))
+#define isa_writew(w,a) writew(w,__ISA_IO_base + (a))
+#define isa_writel(l,a) writel(l,__ISA_IO_base + (a))
+#define isa_memset_io(a,b,c) memset_io(__ISA_IO_base + (a),(b),(c))
+#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),__ISA_IO_base + (b),(c))
+#define isa_memcpy_toio(a,b,c) memcpy_toio(__ISA_IO_base + (a),(b),(c))
+
+/*
* We don't have csum_partial_copy_fromio() yet, so we cheat here and
* just copy it. The net code will then do the checksum later.
*/
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