/* * * By Dustin McIntire (dustin@sensoria.com) (c)2001 *  * Setup and IRQ handling code for the HD64465 companion chip. * by Greg Banks <gbanks@pocketpenguins.com> * Copyright (c) 2000 PocketPenguins Inc * * Derived from setup_hd64465.c which bore the message: * Greg Banks <gbanks@pocketpenguins.com> * Copyright (c) 2000 PocketPenguins Inc and * Copyright (C) 2000 YAEGASHI Takeshi * and setup_cqreek.c which bore message: * Copyright (C) 2000  Niibe Yutaka *  * May be copied or modified under the terms of the GNU General Public * License.  See linux/COPYING for more information. * * Setup functions for a Hitachi Big Sur Evaluation Board. *  */#include <linux/config.h>#include <linux/sched.h>#include <linux/module.h>#include <linux/kernel.h>#include <linux/param.h>#include <linux/ioport.h>#include <linux/interrupt.h>#include <linux/init.h>#include <linux/irq.h>#include <linux/bitops.h>#include <asm/io.h>#include <asm/irq.h>#include <asm/machvec.h>#include <asm/bigsur/io.h>#include <asm/hd64465/hd64465.h>#include <asm/bigsur/bigsur.h>/*===========================================================*///		Big Sur Init Routines	/*===========================================================*/const char *get_system_type(void){	return "Big Sur";}/* * The Machine Vector */extern void heartbeat_bigsur(void);extern void init_bigsur_IRQ(void);struct sh_machine_vector mv_bigsur __initmv = {	.mv_nr_irqs		= NR_IRQS,     // Defined in <asm/irq.h>	.mv_isa_port2addr	= bigsur_isa_port2addr,	.mv_irq_demux       	= bigsur_irq_demux,	.mv_init_irq		= init_bigsur_IRQ,#ifdef CONFIG_HEARTBEAT	.mv_heartbeat		= heartbeat_bigsur,#endif};ALIAS_MV(bigsur)int __init platform_setup(void){	/* Mask all 2nd level IRQ's */	outb(-1,BIGSUR_IMR0);	outb(-1,BIGSUR_IMR1);	outb(-1,BIGSUR_IMR2);	outb(-1,BIGSUR_IMR3);	/* Mask 1st level interrupts */	outb(-1,BIGSUR_IRLMR0);	outb(-1,BIGSUR_IRLMR1);#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL) 	/* remap IO ports for first ISA serial port to HD64465 UART */	bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1);#endif /* CONFIG_HD64465 && CONFIG_SERIAL */	/* TODO: setup IDE registers */	bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8);	/* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */	bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0);	/* set page to 1 */	outw(1, BIGSUR_ETHR+0xe);	/* set the IO port to BIGSUR_ETHER_IOPORT */	outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2);	return 0;}