110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
// 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);
|
|
}
|