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/*
* linux/arch/sh/boards/ec3104/setup.c
* EC3104 companion chip support
*
* Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
*
*/
/* EC3104 note:
* This code was written without any documentation about the EC3104 chip. While
* I hope I got most of the basic functionality right, the register names I use
* are most likely completely different from those in the chip documentation.
*
* If you have any further information about the EC3104, please tell me
* (prumpf@tux.org).
*/
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/types.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/machvec.h>
#include <asm/mach/ec3104.h>
const char *get_system_type(void)
{
return "EC3104";
}
/*
* The Machine Vector
*/
struct sh_machine_vector mv_ec3104 __initmv = {
.mv_nr_irqs = 96,
.mv_inb = ec3104_inb,
.mv_inw = ec3104_inw,
.mv_inl = ec3104_inl,
.mv_outb = ec3104_outb,
.mv_outw = ec3104_outw,
.mv_outl = ec3104_outl,
.mv_irq_demux = ec3104_irq_demux,
};
ALIAS_MV(ec3104)
int __init platform_setup(void)
{
char str[8];
int i;
if (0)
return 0;
for (i=0; i<8; i++)
str[i] = ctrl_readb(EC3104_BASE + i);
for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++)
irq_desc[i].chip = &ec3104_int;
printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n",
str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE);
/* mask all interrupts. this should have been done by the boot
* loader for us but we want to be sure ... */
ctrl_writel(0xffffffff, EC3104_IMR);
return 0;
}
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