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/*
* Setup kernel for a Sun3x machine
*
* (C) 1999 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
*
* based on code from Oliver Jowett <oliver@jowett.manawatu.gen.nz>
*/
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/console.h>
#include <linux/init.h>
#include <asm/system.h>
#include <asm/machdep.h>
#include <asm/irq.h>
#include <asm/sun3x.h>
#include "time.h"
static volatile unsigned char *sun3x_intreg = (unsigned char *)SUN3X_INTREG;
extern int serial_console;
void sun3x_halt(void)
{
/* Disable interrupts */
cli();
/* we can't drop back to PROM, so we loop here */
for (;;);
}
void sun3x_reboot(void)
{
/* This never returns, don't bother saving things */
cli();
/* no idea, whether this works */
asm ("reset");
}
int __init sun3x_keyb_init(void)
{
return 0;
}
int sun3x_kbdrate(struct kbd_repeat *r)
{
return 0;
}
void sun3x_kbd_leds(unsigned int i)
{
}
static void sun3x_badint (int irq, void *dev_id, struct pt_regs *fp)
{
printk ("received spurious interrupt %d\n",irq);
num_spurious += 1;
}
void (*sun3x_default_handler[SYS_IRQS])(int, void *, struct pt_regs *) = {
sun3x_badint, sun3x_badint, sun3x_badint, sun3x_badint,
sun3x_badint, sun3x_badint, sun3x_badint, sun3x_badint
};
void sun3x_enable_irq(unsigned int irq)
{
*sun3x_intreg |= (1 << irq);
}
void sun3x_disable_irq(unsigned int irq)
{
*sun3x_intreg &= ~(1 << irq);
}
void __init sun3x_init_IRQ(void)
{
/* disable all interrupts initially */
*sun3x_intreg = 1; /* master enable only */
}
int sun3x_get_irq_list(char *buf)
{
return 0;
}
/*
* Setup the sun3x configuration info
*/
void __init config_sun3x(void)
{
mach_get_irq_list = sun3x_get_irq_list;
mach_max_dma_address = 0xffffffff; /* we can DMA anywhere, whee */
mach_keyb_init = sun3x_keyb_init;
mach_kbdrate = sun3x_kbdrate;
mach_kbd_leds = sun3x_kbd_leds;
mach_sched_init = sun3x_sched_init;
mach_init_IRQ = sun3x_init_IRQ;
enable_irq = sun3x_enable_irq;
disable_irq = sun3x_disable_irq;
mach_request_irq = sys_request_irq;
mach_free_irq = sys_free_irq;
mach_default_handler = &sun3x_default_handler;
mach_gettimeoffset = sun3x_gettimeoffset;
mach_reset = sun3x_reboot;
mach_gettod = sun3x_gettod;
switch (*(unsigned char *)SUN3X_EEPROM_CONS) {
case 0x10:
serial_console = 1;
conswitchp = NULL;
break;
case 0x11:
serial_console = 2;
conswitchp = NULL;
break;
default:
serial_console = 0;
conswitchp = &dummy_con;
break;
}
}
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