96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
|
/*
|
||
|
|
*
|
||
|
|
* 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;
|
||
|
|
}
|
||
|
|
|