arc/kernel/mcip.c

1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <asm/irqflags-arcv2.h>
23  * Set mask to halt GFRC if any online core in SMP cluster is halted.
70 	 * Parameter specified halt cause:  in mcip_update_debug_halt_mask()
71 	 * STATUS32[H]/actionpoint/breakpoint/self-halt  in mcip_update_debug_halt_mask()
88 	/* Update GFRC halt mask as new CPU came online */  in mcip_setup_per_cpu()
93 	if (mp.dbg)  in mcip_setup_per_cpu()
166 		IS_AVAIL1(mp.dbg, "DEBUG "),  in mcip_probe_n_setup()
184  *  -dynamic routing (IRQ affinity)
185  *  -load balancing (Round Robin interrupt distribution)
186  *  -1:N distribution
232 	idu_irq_mask_raw(data->hwirq);  in idu_irq_mask()
240 	__mcip_cmd_data(CMD_IDU_SET_MASK, data->hwirq, 0);  in idu_irq_unmask()
249 	__mcip_cmd(CMD_IDU_ACK_CIRQ, data->hwirq);  in idu_irq_ack()
258 	__mcip_cmd_data(CMD_IDU_SET_MASK, data->hwirq, 1);  in idu_irq_mask_ack()
259 	__mcip_cmd(CMD_IDU_ACK_CIRQ, data->hwirq);  in idu_irq_mask_ack()
274 		return -EINVAL;  in idu_irq_set_affinity()
279 	idu_set_dest(data->hwirq, destination_bits);  in idu_irq_set_affinity()
286 	idu_set_mode(data->hwirq, false, 0, true, distribution_mode);  in idu_irq_set_affinity()
302 		return -EINVAL;  in idu_irq_set_type()
306 	idu_set_mode(data->hwirq, true,  in idu_irq_set_type()
350 	irq_hw_number_t idu_hwirq = core_hwirq - FIRST_EXT_IRQ;  in idu_cascade_isr()
371  * [16, 23]: Statically assigned always private-per-core (Timers, WDT, IPI)
373  * [24+C, N]: Not statically assigned, private-per-core
398 	/* Parent interrupts (core-intc) are already mapped */  in idu_of_init()
419 IRQCHIP_DECLARE(arcv2_idu_intc, "snps,archs-idu-intc", idu_of_init);