aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/sh/boards/se/770x/io.c59
1 files changed, 14 insertions, 45 deletions
diff --git a/arch/sh/boards/se/770x/io.c b/arch/sh/boards/se/770x/io.c
index c4550473d4c..b1ec085b867 100644
--- a/arch/sh/boards/se/770x/io.c
+++ b/arch/sh/boards/se/770x/io.c
@@ -1,25 +1,13 @@
-/* $Id: io.c,v 1.7 2006/02/05 21:55:29 lethal Exp $
- *
- * linux/arch/sh/kernel/io_se.c
- *
+/*
* Copyright (C) 2000 Kazumoto Kojima
*
* I/O routine for Hitachi SolutionEngine.
- *
*/
-
#include <linux/kernel.h>
#include <linux/types.h>
#include <asm/io.h>
#include <asm/se.h>
-/* SH pcmcia io window base, start and end. */
-int sh_pcic_io_wbase = 0xb8400000;
-int sh_pcic_io_start;
-int sh_pcic_io_stop;
-int sh_pcic_io_type;
-int sh_pcic_io_dummy;
-
/* MS7750 requires special versions of in*, out* routines, since
PC-like io ports are located at upper half byte of 16-bit word which
can be accessed only with 16-bit wide. */
@@ -33,8 +21,6 @@ port2adr(unsigned int port)
return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
else if (port >= 0x1000)
return (volatile __u16 *) (PA_83902 + (port << 1));
- else if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)
- return (volatile __u16 *) (sh_pcic_io_wbase + (port &~ 1));
else
return (volatile __u16 *) (PA_SUPERIO + (port << 1));
}
@@ -51,32 +37,27 @@ shifted_port(unsigned long port)
unsigned char se_inb(unsigned long port)
{
- if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)
- return *(__u8 *) (sh_pcic_io_wbase + 0x40000 + port);
- else if (shifted_port(port))
- return (*port2adr(port) >> 8);
+ if (shifted_port(port))
+ return (*port2adr(port) >> 8);
else
- return (*port2adr(port))&0xff;
+ return (*port2adr(port))&0xff;
}
unsigned char se_inb_p(unsigned long port)
{
unsigned long v;
- if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)
- v = *(__u8 *) (sh_pcic_io_wbase + 0x40000 + port);
- else if (shifted_port(port))
- v = (*port2adr(port) >> 8);
+ if (shifted_port(port))
+ v = (*port2adr(port) >> 8);
else
- v = (*port2adr(port))&0xff;
+ v = (*port2adr(port))&0xff;
ctrl_delay();
return v;
}
unsigned short se_inw(unsigned long port)
{
- if (port >= 0x2000 ||
- (sh_pcic_io_start <= port && port <= sh_pcic_io_stop))
+ if (port >= 0x2000)
return *port2adr(port);
else
maybebadio(port);
@@ -91,9 +72,7 @@ unsigned int se_inl(unsigned long port)
void se_outb(unsigned char value, unsigned long port)
{
- if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)
- *(__u8 *)(sh_pcic_io_wbase + port) = value;
- else if (shifted_port(port))
+ if (shifted_port(port))
*(port2adr(port)) = value << 8;
else
*(port2adr(port)) = value;
@@ -101,9 +80,7 @@ void se_outb(unsigned char value, unsigned long port)
void se_outb_p(unsigned char value, unsigned long port)
{
- if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)
- *(__u8 *)(sh_pcic_io_wbase + port) = value;
- else if (shifted_port(port))
+ if (shifted_port(port))
*(port2adr(port)) = value << 8;
else
*(port2adr(port)) = value;
@@ -112,8 +89,7 @@ void se_outb_p(unsigned char value, unsigned long port)
void se_outw(unsigned short value, unsigned long port)
{
- if (port >= 0x2000 ||
- (sh_pcic_io_start <= port && port <= sh_pcic_io_stop))
+ if (port >= 0x2000)
*port2adr(port) = value;
else
maybebadio(port);
@@ -129,11 +105,7 @@ void se_insb(unsigned long port, void *addr, unsigned long count)
volatile __u16 *p = port2adr(port);
__u8 *ap = addr;
- if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) {
- volatile __u8 *bp = (__u8 *) (sh_pcic_io_wbase + 0x40000 + port);
- while (count--)
- *ap++ = *bp;
- } else if (shifted_port(port)) {
+ if (shifted_port(port)) {
while (count--)
*ap++ = *p >> 8;
} else {
@@ -160,11 +132,7 @@ void se_outsb(unsigned long port, const void *addr, unsigned long count)
volatile __u16 *p = port2adr(port);
const __u8 *ap = addr;
- if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) {
- volatile __u8 *bp = (__u8 *) (sh_pcic_io_wbase + port);
- while (count--)
- *bp = *ap++;
- } else if (shifted_port(port)) {
+ if (shifted_port(port)) {
while (count--)
*p = *ap++ << 8;
} else {
@@ -177,6 +145,7 @@ void se_outsw(unsigned long port, const void *addr, unsigned long count)
{
volatile __u16 *p = port2adr(port);
const __u16 *ap = addr;
+
while (count--)
*p = *ap++;
}