41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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* linux/arch/sh/boards/se/7300/irq.c
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*
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* Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp>
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*
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* SH-Mobile SolutionEngine 7300 Support.
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*
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*/
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#include <asm/se7300.h>
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static struct ipr_data se7300_ipr_map[] = {
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/* PC_IRQ[0-3] -> IRQ0 (32) */
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{ IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, 0x0f - IRQ0_IRQ },
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/* A_IRQ[0-3] -> IRQ1 (33) */
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{ IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, 0x0f - IRQ1_IRQ },
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{ SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
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{ DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
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{ DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
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{ VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY },
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};
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/*
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* Initialize IRQ setting
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*/
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void __init
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init_7300se_IRQ(void)
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{
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ctrl_outw(0x0028, PA_EPLD_MODESET); /* mode set IRQ0,1 active low. */
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ctrl_outw(0xa000, INTC_ICR1); /* IRQ mode; IRQ0,1 enable. */
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ctrl_outw(0x0000, PORT_PFCR); /* use F for IRQ[3:0] and SIU. */
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make_ipr_irq(se7300_ipr_map, ARRAY_SIZE(se7300_ipr_map));
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ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */
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}
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