1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
19 #include "irq-common.h"
29 #define AVIC_NIPRIORITY(x)	(0x20 + 4 * (7 - (x))) /* int priority */
57 		return -EINVAL;  in avic_set_irq_fiq()
63 		hwirq -= AVIC_NUM_IRQS / 2;  in avic_set_irq_fiq()
85 	struct irq_chip_type *ct = gc->chip_types;  in avic_irq_suspend()
86 	int idx = d->hwirq >> 5;  in avic_irq_suspend()
88 	avic_saved_mask_reg[idx] = imx_readl(avic_base + ct->regs.mask);  in avic_irq_suspend()
89 	imx_writel(gc->wake_active, avic_base + ct->regs.mask);  in avic_irq_suspend()
92 		u8 offs = d->hwirq < AVIC_NUM_IRQS / 2 ?  in avic_irq_suspend()
96 		 * sources. Allow those interrupts in low-power mode.  in avic_irq_suspend()
100 		imx_writel(~gc->wake_active, mx25_ccm_base + offs);  in avic_irq_suspend()
107 	struct irq_chip_type *ct = gc->chip_types;  in avic_irq_resume()
108 	int idx = d->hwirq >> 5;  in avic_irq_resume()
110 	imx_writel(avic_saved_mask_reg[idx], avic_base + ct->regs.mask);  in avic_irq_resume()
113 		u8 offs = d->hwirq < AVIC_NUM_IRQS / 2 ?  in avic_irq_resume()
130 	gc = irq_alloc_generic_chip("mxc-avic", 1, irq_start, avic_base,  in avic_init_gc()
132 	gc->private = &avic_extra_irq;  in avic_init_gc()
133 	gc->wake_enabled = IRQ_MSK(32);  in avic_init_gc()
135 	ct = gc->chip_types;  in avic_init_gc()
136 	ct->chip.irq_mask = irq_gc_mask_clr_bit;  in avic_init_gc()
137 	ct->chip.irq_unmask = irq_gc_mask_set_bit;  in avic_init_gc()
138 	ct->chip.irq_ack = irq_gc_mask_clr_bit;  in avic_init_gc()
139 	ct->chip.irq_set_wake = irq_gc_set_wake;  in avic_init_gc()
140 	ct->chip.irq_suspend = avic_irq_suspend;  in avic_init_gc()
141 	ct->chip.irq_resume = avic_irq_resume;  in avic_init_gc()
142 	ct->regs.mask = !idx ? AVIC_INTENABLEL : AVIC_INTENABLEH;  in avic_init_gc()
143 	ct->regs.ack = ct->regs.mask;  in avic_init_gc()
174 	np = of_find_compatible_node(NULL, NULL, "fsl,imx25-ccm");  in mxc_init_irq()
180 		 * before we go into low-power mode.  in mxc_init_irq()
200 	irq_base = irq_alloc_descs(-1, 0, AVIC_NUM_IRQS, numa_node_id());  in mxc_init_irq()