/* $Id: setup.c,v 1.5 2003/08/04 01:51:58 lethal Exp $ * * arch/sh/kernel/setup_cqreek.c * * Copyright (C) 2000  Niibe Yutaka * * CqREEK IDE/ISA Bridge Support. * */#include <linux/config.h>#include <linux/kernel.h>#include <linux/init.h>#include <linux/irq.h>#include <asm/mach/cqreek.h>#include <asm/machvec.h>#include <asm/io.h>#include <asm/io_generic.h>#include <asm/irq.h>#include <asm/rtc.h>#define IDE_OFFSET 0xA4000000UL#define ISA_OFFSET 0xA4A00000ULconst char *get_system_type(void){	return "CqREEK";}static unsigned long cqreek_port2addr(unsigned long port){	if (0x0000<=port && port<=0x0040)		return IDE_OFFSET + port;	if ((0x01f0<=port && port<=0x01f7) || port == 0x03f6)		return IDE_OFFSET + port;	return ISA_OFFSET + port;}/* * The Machine Vector */struct sh_machine_vector mv_cqreek __initmv = {#if defined(CONFIG_CPU_SH4)	.mv_nr_irqs		= 48,#elif defined(CONFIG_CPU_SUBTYPE_SH7708)	.mv_nr_irqs		= 32,#elif defined(CONFIG_CPU_SUBTYPE_SH7709)	.mv_nr_irqs		= 61,#endif	.mv_init_irq		= init_cqreek_IRQ,	.mv_isa_port2addr	= cqreek_port2addr,};ALIAS_MV(cqreek)/* * Initialize the board */void __init platform_setup(void){	int i;/* udelay is not available at setup time yet... */#define DELAY() do {for (i=0; i<10000; i++) ctrl_inw(0xa0000000);} while(0)	if ((inw (BRIDGE_FEATURE) & 1)) { /* We have IDE interface */		outw_p(0, BRIDGE_IDE_INTR_LVL);		outw_p(0, BRIDGE_IDE_INTR_MASK);		outw_p(0, BRIDGE_IDE_CTRL);		DELAY();		outw_p(0x8000, BRIDGE_IDE_CTRL);		DELAY();		outw_p(0xffff, BRIDGE_IDE_INTR_STAT); /* Clear interrupt status */		outw_p(0x0f-14, BRIDGE_IDE_INTR_LVL); /* Use 14 IPR */		outw_p(1, BRIDGE_IDE_INTR_MASK); /* Enable interrupt */		cqreek_has_ide=1;	}	if ((inw (BRIDGE_FEATURE) & 2)) { /* We have ISA interface */		outw_p(0, BRIDGE_ISA_INTR_LVL);		outw_p(0, BRIDGE_ISA_INTR_MASK);		outw_p(0, BRIDGE_ISA_CTRL);		DELAY();		outw_p(0x8000, BRIDGE_ISA_CTRL);		DELAY();		outw_p(0xffff, BRIDGE_ISA_INTR_STAT); /* Clear interrupt status */		outw_p(0x0f-10, BRIDGE_ISA_INTR_LVL); /* Use 10 IPR */		outw_p(0xfff8, BRIDGE_ISA_INTR_MASK); /* Enable interrupt */		cqreek_has_isa=1;	}	printk(KERN_INFO "CqREEK Setup (IDE=%d, ISA=%d)...done\n", cqreek_has_ide, cqreek_has_isa);}