110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* linux/arch/sh/boards/se/770x/irq.c
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*
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* Copyright (C) 2000 Kazumoto Kojima
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* Copyright (C) 2006 Nobuhiro Iwamatsu
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*
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* Hitachi SolutionEngine Support.
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*
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*/
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#include <linux/init.h>
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#include <linux/interrupt.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 <mach-se/mach/se.h>
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static struct ipr_data ipr_irq_table[] = {
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/*
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* Super I/O (Just mimic PC):
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* 1: keyboard
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* 3: serial 0
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* 4: serial 1
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* 5: printer
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* 6: floppy
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* 8: rtc
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* 12: mouse
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* 14: ide0
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*/
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#if defined(CONFIG_CPU_SUBTYPE_SH7705)
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/* This is default value */
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{ 13, 0, 8, 0x0f-13, },
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{ 5 , 0, 4, 0x0f- 5, },
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{ 10, 1, 0, 0x0f-10, },
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{ 7 , 2, 4, 0x0f- 7, },
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{ 3 , 2, 0, 0x0f- 3, },
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{ 1 , 3, 12, 0x0f- 1, },
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{ 12, 3, 4, 0x0f-12, }, /* LAN */
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{ 2 , 4, 8, 0x0f- 2, }, /* PCIRQ2 */
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{ 6 , 4, 4, 0x0f- 6, }, /* PCIRQ1 */
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{ 14, 4, 0, 0x0f-14, }, /* PCIRQ0 */
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{ 0 , 5, 12, 0x0f , },
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{ 4 , 5, 4, 0x0f- 4, },
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{ 8 , 6, 12, 0x0f- 8, },
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{ 9 , 6, 8, 0x0f- 9, },
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{ 11, 6, 4, 0x0f-11, },
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#else
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{ 14, 0, 8, 0x0f-14, },
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{ 12, 0, 4, 0x0f-12, },
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{ 8, 1, 4, 0x0f- 8, },
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{ 6, 2, 12, 0x0f- 6, },
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{ 5, 2, 8, 0x0f- 5, },
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{ 4, 2, 4, 0x0f- 4, },
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{ 3, 2, 0, 0x0f- 3, },
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{ 1, 3, 12, 0x0f- 1, },
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#if defined(CONFIG_STNIC)
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/* ST NIC */
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{ 10, 3, 4, 0x0f-10, }, /* LAN */
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#endif
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/* MRSHPC IRQs setting */
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{ 0, 4, 12, 0x0f- 0, }, /* PCIRQ3 */
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{ 11, 4, 8, 0x0f-11, }, /* PCIRQ2 */
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{ 9, 4, 4, 0x0f- 9, }, /* PCIRQ1 */
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{ 7, 4, 0, 0x0f- 7, }, /* PCIRQ0 */
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/* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
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/* NOTE: #2 and #13 are not used on PC */
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{ 13, 6, 4, 0x0f-13, }, /* SLOTIRQ2 */
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{ 2, 6, 0, 0x0f- 2, }, /* SLOTIRQ1 */
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#endif
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};
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static unsigned long ipr_offsets[] = {
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BCR_ILCRA,
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BCR_ILCRB,
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BCR_ILCRC,
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BCR_ILCRD,
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BCR_ILCRE,
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BCR_ILCRF,
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BCR_ILCRG,
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};
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static struct ipr_desc ipr_irq_desc = {
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.ipr_offsets = ipr_offsets,
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.nr_offsets = ARRAY_SIZE(ipr_offsets),
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.ipr_data = ipr_irq_table,
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.nr_irqs = ARRAY_SIZE(ipr_irq_table),
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.chip = {
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.name = "IPR-se770x",
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},
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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 init_se_IRQ(void)
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{
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/* Disable all interrupts */
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__raw_writew(0, BCR_ILCRA);
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__raw_writew(0, BCR_ILCRB);
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__raw_writew(0, BCR_ILCRC);
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__raw_writew(0, BCR_ILCRD);
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__raw_writew(0, BCR_ILCRE);
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__raw_writew(0, BCR_ILCRF);
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__raw_writew(0, BCR_ILCRG);
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register_ipr_controller(&ipr_irq_desc);
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}
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