[PATCH] m32r: Update _port2addr to use NONCACHE_OFFSET
Modify _port2addr*() routines in arch/m32r/kernel/io_*.c to use
NONCACHE_OFFSET instead of hard-coding of a constant address.
This modification is also required to support an M3A-ZA36 FPGA eva board in
case an MMU-less synthesizable m32r core is used.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/m32r/kernel/io_opsput.c b/arch/m32r/kernel/io_opsput.c
index 4793bd1..bec6929 100644
--- a/arch/m32r/kernel/io_opsput.c
+++ b/arch/m32r/kernel/io_opsput.c
@@ -36,7 +36,7 @@
static inline void *_port2addr(unsigned long port)
{
- return (void *)(port | (NONCACHE_OFFSET));
+ return (void *)(port | NONCACHE_OFFSET);
}
/*
@@ -44,8 +44,8 @@
* from 0x10000000 to 0x13ffffff on physical address.
* The base address of LAN controller(LAN91C111) is 0x300.
*/
-#define LAN_IOSTART 0xa0000300
-#define LAN_IOEND 0xa0000320
+#define LAN_IOSTART (0x300 | NONCACHE_OFFSET)
+#define LAN_IOEND (0x320 | NONCACHE_OFFSET)
static inline void *_port2addr_ne(unsigned long port)
{
return (void *)(port + 0x10000000);