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