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109 lines
2.4 KiB
109 lines
2.4 KiB
// 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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