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sh: mach-snapgear: Rip out superfluous PIO routines.

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None of these PIO routines do anything other than basic error checking,
get rid of them and use the generic fallbacks.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2010-10-29 18:59:58 +09:00
parent 46bc858720
commit 39c11984a4
4 changed files with 11 additions and 170 deletions
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2
arch/sh/boards/mach-snapgear/Makefile
View File

@@ -2,4 +2,4 @@
# Makefile for the SnapGear specific parts of the kernel
#
obj-y := setup.o io.o
obj-y := setup.o

121
arch/sh/boards/mach-snapgear/io.c
View File

@@ -1,121 +0,0 @@
/*
* Copyright (C) 2002 David McCullough <davidm@snapgear.com>
* Copyright (C) 2001 Ian da Silva, Jeremy Siegel
* Based largely on io_se.c.
*
* I/O routine for Hitachi 7751 SolutionEngine.
*
* Initial version only to support LAN access; some
* placeholder code from io_se.c left in with the
* expectation of later SuperIO and PCMCIA access.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <asm/io.h>
#include <asm/addrspace.h>
#ifdef CONFIG_SH_SECUREEDGE5410
unsigned short secureedge5410_ioport;
#endif
static inline volatile __u16 *port2adr(unsigned int port)
{
maybebadio((unsigned long)port);
return (volatile __u16*)port;
}
/*
* General outline: remap really low stuff [eventually] to SuperIO,
* stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
* is mapped through the PCI IO window. Stuff with high bits (PXSEG)
* should be way beyond the window, and is used w/o translation for
* compatibility.
*/
unsigned char snapgear_inb(unsigned long port)
{
if (PXSEG(port))
return *(volatile unsigned char *)port;
else
return (*port2adr(port)) & 0xff;
}
unsigned char snapgear_inb_p(unsigned long port)
{
unsigned char v;
if (PXSEG(port))
v = *(volatile unsigned char *)port;
else
v = (*port2adr(port))&0xff;
ctrl_delay();
return v;
}
unsigned short snapgear_inw(unsigned long port)
{
if (PXSEG(port))
return *(volatile unsigned short *)port;
else if (port >= 0x2000)
return *port2adr(port);
else
maybebadio(port);
return 0;
}
unsigned int snapgear_inl(unsigned long port)
{
if (PXSEG(port))
return *(volatile unsigned long *)port;
else if (port >= 0x2000)
return *port2adr(port);
else
maybebadio(port);
return 0;
}
void snapgear_outb(unsigned char value, unsigned long port)
{
if (PXSEG(port))
*(volatile unsigned char *)port = value;
else
*(port2adr(port)) = value;
}
void snapgear_outb_p(unsigned char value, unsigned long port)
{
if (PXSEG(port))
*(volatile unsigned char *)port = value;
else
*(port2adr(port)) = value;
ctrl_delay();
}
void snapgear_outw(unsigned short value, unsigned long port)
{
if (PXSEG(port))
*(volatile unsigned short *)port = value;
else if (port >= 0x2000)
*port2adr(port) = value;
else
maybebadio(port);
}
void snapgear_outl(unsigned int value, unsigned long port)
{
if (PXSEG(port))
*(volatile unsigned long *)port = value;
else
maybebadio(port);
}
void snapgear_insl(unsigned long port, void *addr, unsigned long count)
{
maybebadio(port);
}
void snapgear_outsl(unsigned long port, const void *addr, unsigned long count)
{
maybebadio(port);
}

36
arch/sh/boards/mach-snapgear/setup.c
View File

@@ -1,6 +1,4 @@
/*
* linux/arch/sh/boards/snapgear/setup.c
*
* Copyright (C) 2002 David McCullough <davidm@snapgear.com>
* Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
*
@@ -24,13 +22,14 @@
#include <asm/io.h>
#include <cpu/timer.h>
unsigned short secureedge5410_ioport;
/*
* EraseConfig handling functions
*/
static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
{
(void)__raw_readb(0xb8000000); /* dummy read */
ctrl_delay(); /* dummy read */
printk("SnapGear: erase switch interrupt!\n");
@@ -39,21 +38,22 @@ static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
static int __init eraseconfig_init(void)
{
unsigned int irq = evt2irq(0x240);
printk("SnapGear: EraseConfig init\n");
/* Setup "EraseConfig" switch on external IRQ 0 */
if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED,
if (request_irq(irq, eraseconfig_interrupt, IRQF_DISABLED,
"Erase Config", NULL))
printk("SnapGear: failed to register IRQ%d for Reset witch\n",
IRL0_IRQ);
irq);
else
printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
IRL0_IRQ);
return(0);
irq);
return 0;
}
module_init(eraseconfig_init);
/****************************************************************************/
/*
* Initialize IRQ setting
*
@@ -62,7 +62,6 @@ module_init(eraseconfig_init);
* IRL2 = eth1
* IRL3 = crypto
*/
static void __init init_snapgear_IRQ(void)
{
printk("Setup SnapGear IRQ/IPR ...\n");
@@ -76,20 +75,5 @@ static void __init init_snapgear_IRQ(void)
static struct sh_machine_vector mv_snapgear __initmv = {
.mv_name = "SnapGear SecureEdge5410",
.mv_nr_irqs = 72,
.mv_inb = snapgear_inb,
.mv_inw = snapgear_inw,
.mv_inl = snapgear_inl,
.mv_outb = snapgear_outb,
.mv_outw = snapgear_outw,
.mv_outl = snapgear_outl,
.mv_inb_p = snapgear_inb_p,
.mv_inw_p = snapgear_inw,
.mv_inl_p = snapgear_inl,
.mv_outb_p = snapgear_outb_p,
.mv_outw_p = snapgear_outw,
.mv_outl_p = snapgear_outl,
.mv_init_irq = init_snapgear_IRQ,
};