52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
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* arch/sh/boards/shmin/setup.c
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*
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* Copyright (C) 2006 Takashi YOSHII
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*
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* SHMIN Support.
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*/
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#include <linux/init.h>
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#include <asm/machvec.h>
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#include <asm/shmin.h>
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#include <asm/clock.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#define PFC_PHCR 0xa400010eUL
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#define INTC_ICR1 0xa4000010UL
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#define INTC_IPRC 0xa4000016UL
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static struct ipr_data shmin_ipr_map[] = {
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{ .irq=32, .addr=INTC_IPRC, .shift= 0, .priority=0 },
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{ .irq=33, .addr=INTC_IPRC, .shift= 4, .priority=0 },
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{ .irq=34, .addr=INTC_IPRC, .shift= 8, .priority=8 },
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{ .irq=35, .addr=INTC_IPRC, .shift=12, .priority=0 },
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};
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static void __init init_shmin_irq(void)
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{
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ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ
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ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active.
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make_ipr_irq(shmin_ipr_map, ARRAY_SIZE(shmin_ipr_map));
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}
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static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
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{
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static int dummy;
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if ((port & ~0x1f) == SHMIN_NE_BASE)
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return (void __iomem *)(SHMIN_IO_BASE + port);
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dummy = 0;
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return &dummy;
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}
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struct sh_machine_vector mv_shmin __initmv = {
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.mv_name = "SHMIN",
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.mv_init_irq = init_shmin_irq,
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.mv_ioport_map = shmin_ioport_map,
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};
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ALIAS_MV(shmin)
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