43 lines
855 B
C
43 lines
855 B
C
/*
|
|
* arch/sh/boards/shmin/setup.c
|
|
*
|
|
* Copyright (C) 2006 Takashi YOSHII
|
|
*
|
|
* SHMIN Support.
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <linux/irq.h>
|
|
#include <asm/machvec.h>
|
|
#include <mach/shmin.h>
|
|
#include <asm/clock.h>
|
|
#include <asm/io.h>
|
|
|
|
#define PFC_PHCR 0xa400010eUL
|
|
#define INTC_ICR1 0xa4000010UL
|
|
|
|
static void __init init_shmin_irq(void)
|
|
{
|
|
ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ
|
|
ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active.
|
|
plat_irq_setup_pins(IRQ_MODE_IRQ);
|
|
}
|
|
|
|
static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
|
|
{
|
|
static int dummy;
|
|
|
|
if ((port & ~0x1f) == SHMIN_NE_BASE)
|
|
return (void __iomem *)(SHMIN_IO_BASE + port);
|
|
|
|
dummy = 0;
|
|
|
|
return &dummy;
|
|
|
|
}
|
|
|
|
static struct sh_machine_vector mv_shmin __initmv = {
|
|
.mv_name = "SHMIN",
|
|
.mv_init_irq = init_shmin_irq,
|
|
.mv_ioport_map = shmin_ioport_map,
|
|
};
|