1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
44  * IFR_offset is NEN_offset - 8.
50 	unsigned long ifr = ct->regs.mask - 8;  in irq_ck_mask_set_bit()
51 	u32 mask = d->mask;  in irq_ck_mask_set_bit()
54 	*ct->mask_cache |= mask;  in irq_ck_mask_set_bit()
55 	irq_reg_writel(gc, *ct->mask_cache, ct->regs.mask);  in irq_ck_mask_set_bit()
66 	gc->reg_base = reg_base;  in ck_set_gc()
67 	gc->chip_types[0].regs.mask = mask_reg;  in ck_set_gc()
68 	gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit;  in ck_set_gc()
69 	gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit;  in ck_set_gc()
71 	if (of_property_read_bool(node, "csky,support-pulse-signal"))  in ck_set_gc()
72 		gc->chip_types[0].chip.irq_unmask = irq_ck_mask_set_bit;  in ck_set_gc()
86 	 * The magic is 0x00010203 for ck-intc  in build_channel_val()
87 	 * The magic is 0x03020100 for gx6605s-intc  in build_channel_val()
107 		pr_err("C-SKY Intc not a root irq controller\n");  in ck_intc_init_comm()
108 		return -EINVAL;  in ck_intc_init_comm()
113 		pr_err("C-SKY Intc unable to map: %p.\n", node);  in ck_intc_init_comm()
114 		return -EINVAL;  in ck_intc_init_comm()
120 		pr_err("C-SKY Intc irq_domain_add failed.\n");  in ck_intc_init_comm()
121 		return -ENOMEM;  in ck_intc_init_comm()
128 		pr_err("C-SKY Intc irq_alloc_gc failed.\n");  in ck_intc_init_comm()
129 		return -ENOMEM;  in ck_intc_init_comm()
151 retry:  in gx_irq_handler()
155 		goto retry;  in gx_irq_handler()
160 		goto retry;  in gx_irq_handler()
193 IRQCHIP_DECLARE(csky_gx6605s_intc, "csky,gx6605s-intc", gx_intc_init);
196  * C-SKY simple 64 irqs interrupt controller, dual-together could support 128
205 retry:  in ck_irq_handler()
206 	/* handle 0 - 63 irqs */  in ck_irq_handler()
209 		goto retry;  in ck_irq_handler()
213 		goto retry;  in ck_irq_handler()
218 	/* handle 64 - 127 irqs */  in ck_irq_handler()
222 		goto retry;  in ck_irq_handler()
227 		goto retry;  in ck_irq_handler()
255 IRQCHIP_DECLARE(ck_intc, "csky,apb-intc", ck_intc_init);
262 	/* dual-apb-intc up to 128 irq sources*/  in ck_dual_intc_init()
281 IRQCHIP_DECLARE(ck_dual_intc, "csky,dual-apb-intc", ck_dual_intc_init);