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/*
*
* 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/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;
}
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