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/*
* linux/arch/sh/boards/cat68701/setup.c
*
* Copyright (C) 2000 Niibe Yutaka
* 2001 Yutaro Ebihara
*
* Setup routines for A-ONE Corp CAT-68701 SH7708 Board
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
*/
#include <asm/io.h>
#include <asm/machvec.h>
#include <asm/mach/io.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
const char *get_system_type(void)
{
return "CAT-68701";
}
#ifdef CONFIG_HEARTBEAT
void heartbeat_cat68701()
{
static unsigned int cnt = 0, period = 0 , bit = 0;
cnt += 1;
if (cnt < period) {
return;
}
cnt = 0;
/* Go through the points (roughly!):
* f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110
*/
period = 110 - ( (300<<FSHIFT)/
((avenrun[0]/5) + (3<<FSHIFT)) );
if(bit){ bit=0; }else{ bit=1; }
outw(bit<<15,0x3fe);
}
#endif /* CONFIG_HEARTBEAT */
unsigned long cat68701_isa_port2addr(unsigned long offset)
{
/* CompactFlash (IDE) */
if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset==0x3f6))
return 0xba000000 + offset;
/* INPUT PORT */
if ((offset >= 0x3fc) && (offset <= 0x3fd))
return 0xb4007000 + offset;
/* OUTPUT PORT */
if ((offset >= 0x3fe) && (offset <= 0x3ff))
return 0xb4007400 + offset;
return offset + 0xb4000000; /* other I/O (EREA 5)*/
}
/*
* The Machine Vector
*/
struct sh_machine_vector mv_cat68701 __initmv = {
.mv_nr_irqs = 32,
.mv_isa_port2addr = cat68701_isa_port2addr,
.mv_irq_demux = cat68701_irq_demux,
.mv_init_irq = init_cat68701_IRQ,
#ifdef CONFIG_HEARTBEAT
.mv_heartbeat = heartbeat_cat68701,
#endif
};
ALIAS_MV(cat68701)
int __init platform_setup(void)
{
/* dummy read erea5 (CS8900A) */
}
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