1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2015-2016 Smart Energy Instruments, Inc.
23 	unsigned cpu = hard_smp_processor_id();  in j2_ipi_interrupt_handler()  local
24 	volatile unsigned *pmsg = &per_cpu(j2_ipi_messages, cpu);  in j2_ipi_interrupt_handler()
48 	np = of_find_compatible_node(NULL, NULL, "jcore,ipi-controller");  in j2_prepare_cpus()
57 	np = of_find_compatible_node(NULL, NULL, "jcore,cpuid-mmio");  in j2_prepare_cpus()
79 static void j2_start_cpu(unsigned int cpu, unsigned long entry_point)  in j2_start_cpu()  argument
83 	void __iomem *release, *initpc;  in j2_start_cpu()  local
85 	if (!cpu) return;  in j2_start_cpu()
87 	np = of_get_cpu_node(cpu, NULL);  in j2_start_cpu()
90 	if (of_property_read_u32_array(np, "cpu-release-addr", regs, 2)) return;  in j2_start_cpu()
91 	release = ioremap(regs[0], sizeof(u32));  in j2_start_cpu()
95 	__raw_writel(1, release);  in j2_start_cpu()
98 	iounmap(release);  in j2_start_cpu()
100 	pr_info("J2 SMP: requested start of cpu %u\n", cpu);  in j2_start_cpu()
108 static void j2_send_ipi(unsigned int cpu, unsigned int message)  in j2_send_ipi()  argument
116 	pmsg = &per_cpu(j2_ipi_messages, cpu);  in j2_send_ipi()
121 	val = __raw_readl(j2_ipi_trigger + cpu);  in j2_send_ipi()
122 	__raw_writel(val | (1U<<28), j2_ipi_trigger + cpu);  in j2_send_ipi()
136 CPU_METHOD_OF_DECLARE(j2_cpu_method, "jcore,spin-table", &j2_smp_ops);