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31 lines
640 B
31 lines
640 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Shared support for SH-X3 interrupt controllers. |
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* |
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* Copyright (C) 2009 - 2010 Paul Mundt |
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*/ |
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#include <linux/irq.h> |
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#include <linux/io.h> |
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#include <linux/init.h> |
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#define INTACK 0xfe4100b8 |
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#define INTACKCLR 0xfe4100bc |
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#define INTC_USERIMASK 0xfe411000 |
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#ifdef CONFIG_INTC_BALANCING |
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unsigned int irq_lookup(unsigned int irq) |
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{ |
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return __raw_readl(INTACK) & 1 ? irq : NO_IRQ_IGNORE; |
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} |
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void irq_finish(unsigned int irq) |
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{ |
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__raw_writel(irq2evt(irq), INTACKCLR); |
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} |
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#endif |
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static int __init shx3_irq_setup(void) |
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{ |
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return register_intc_userimask(INTC_USERIMASK); |
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} |
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arch_initcall(shx3_irq_setup);
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