mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.1 KiB
46 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* Copyright 2001 MontaVista Software Inc. |
|
* Author: Jun Sun, [email protected] or [email protected] |
|
* Copyright (C) 2000, 2001 Ralf Baechle ([email protected]) |
|
* |
|
* Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology |
|
* Author: Fuxin Zhang, [email protected] |
|
*/ |
|
#include <linux/interrupt.h> |
|
#include <linux/compiler.h> |
|
|
|
#include <loongson.h> |
|
|
|
static inline void bonito_irq_enable(struct irq_data *d) |
|
{ |
|
LOONGSON_INTENSET = (1 << (d->irq - LOONGSON_IRQ_BASE)); |
|
mmiowb(); |
|
} |
|
|
|
static inline void bonito_irq_disable(struct irq_data *d) |
|
{ |
|
LOONGSON_INTENCLR = (1 << (d->irq - LOONGSON_IRQ_BASE)); |
|
mmiowb(); |
|
} |
|
|
|
static struct irq_chip bonito_irq_type = { |
|
.name = "bonito_irq", |
|
.irq_mask = bonito_irq_disable, |
|
.irq_unmask = bonito_irq_enable, |
|
}; |
|
|
|
void bonito_irq_init(void) |
|
{ |
|
u32 i; |
|
|
|
for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++) |
|
irq_set_chip_and_handler(i, &bonito_irq_type, |
|
handle_level_irq); |
|
|
|
#ifdef CONFIG_CPU_LOONGSON2E |
|
i = LOONGSON_IRQ_BASE + 10; |
|
if (request_irq(i, no_action, 0, "dma_timeout", NULL)) |
|
pr_err("Failed to request irq %d (dma_timeout)\n", i); |
|
#endif |
|
}
|
|
|