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/*
* linux/arch/sh/kernel/setup_sh2000.c
*
* Copyright (C) 2001 SUGIOKA Tochinobu
*
* SH-2000 Support.
*
*/
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/io.h>
#include <asm/machvec.h>
#include <asm/mach/sh2000.h>
#define CF_CIS_BASE 0xb4200000
#define PORT_PECR 0xa4000108
#define PORT_PHCR 0xa400010E
#define PORT_ICR1 0xa4000010
#define PORT_IRR0 0xa4000004
#define IDE_OFFSET 0xb6200000
#define NIC_OFFSET 0xb6000000
#define EXTBUS_OFFSET 0xba000000
const char *get_system_type(void)
{
return "sh2000";
}
static unsigned long sh2000_isa_port2addr(unsigned long offset)
{
if((offset & ~7) == 0x1f0 || offset == 0x3f6)
return IDE_OFFSET + offset;
else if((offset & ~0x1f) == 0x300)
return NIC_OFFSET + offset;
return EXTBUS_OFFSET + offset;
}
/*
* The Machine Vector
*/
struct sh_machine_vector mv_sh2000 __initmv = {
.mv_nr_irqs = 80,
.mv_isa_port2addr = sh2000_isa_port2addr,
};
ALIAS_MV(sh2000)
/*
* Initialize the board
*/
int __init platform_setup(void)
{
/* XXX: RTC setting comes here */
/* These should be done by BIOS/IPL ... */
/* Enable nCE2A, nCE2B output */
ctrl_outw(ctrl_inw(PORT_PECR) & ~0xf00, PORT_PECR);
/* Enable the Compact Flash card, and set the level interrupt */
ctrl_outw(0x0042, CF_CIS_BASE+0x0200);
/* Enable interrupt */
ctrl_outw(ctrl_inw(PORT_PHCR) & ~0x03f3, PORT_PHCR);
ctrl_outw(1, PORT_ICR1);
ctrl_outw(ctrl_inw(PORT_IRR0) & ~0xff3f, PORT_IRR0);
printk(KERN_INFO "SH-2000 Setup...done\n");
return 0;
}
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