1 // SPDX-License-Identifier: GPL-2.0-or-later
37 /* Store the CPU id (not the logical number) */
42 void bcm1480_mask_irq(int cpu, int irq)  in bcm1480_mask_irq()  argument
51 		irq -= BCM1480_NR_IRQS_HALF;  in bcm1480_mask_irq()
53 …cur_ints = ____raw_readq(IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + hl_sp…  in bcm1480_mask_irq()
55 …____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + hl_sp…  in bcm1480_mask_irq()
59 void bcm1480_unmask_irq(int cpu, int irq)  in bcm1480_unmask_irq()  argument
68 		irq -= BCM1480_NR_IRQS_HALF;  in bcm1480_unmask_irq()
70 …cur_ints = ____raw_readq(IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + hl_sp…  in bcm1480_unmask_irq()
72 …____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + hl_sp…  in bcm1480_unmask_irq()
80 	unsigned int irq_dirty, irq = d->irq;  in bcm1480_set_affinity()
81 	int i = 0, old_cpu, cpu, int_on, k;  in bcm1480_set_affinity()  local
87 	/* Convert logical CPU to physical CPU */  in bcm1480_set_affinity()
88 	cpu = cpu_logical_map(i);  in bcm1480_set_affinity()
90 	/* Protect against other affinity changers and IMR manipulation */  in bcm1480_set_affinity()
93 	/* Swizzle each CPU's IMR (but leave the IP selection alone) */  in bcm1480_set_affinity()
97 		irq_dirty -= BCM1480_NR_IRQS_HALF;  in bcm1480_set_affinity()
108 		bcm1480_irq_owner[irq] = cpu;  in bcm1480_set_affinity()
110 			/* unmask for the new CPU */  in bcm1480_set_affinity()
111 …cur_ints = ____raw_readq(IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BC…  in bcm1480_set_affinity()
113 …____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BC…  in bcm1480_set_affinity()
127 	unsigned int irq = d->irq;  in disable_bcm1480_irq()
134 	unsigned int irq = d->irq;  in enable_bcm1480_irq()
142 	unsigned int irq_dirty, irq = d->irq;  in ack_bcm1480_irq()
149 	 * deliver the interrupts to all CPUs (which makes affinity  in ack_bcm1480_irq()
154 		irq_dirty -= BCM1480_NR_IRQS_HALF;  in ack_bcm1480_irq()
165 				 * Clear for all CPUs so an affinity switch  in ack_bcm1480_irq()
177 			 * Pass 2, the LDT world may be edge-triggered, but  in ack_bcm1480_irq()
179 			 * level-sensitive, the EOI is required.  in ack_bcm1480_irq()
191 	.name = "BCM1480-IMR",
221  * all interrupts to a single CPU; we should probably route
222  * PCI and LDT to one cpu and everything else to the other
225  * On the second cpu, everything is set to IP5, which is
228  * can do cross-cpu function calls, as required by SMP
239 	unsigned int i, cpu;  in arch_init_irq()  local
247 		for (cpu = 0; cpu < 4; cpu++) {  in arch_init_irq()
249 				     IOADDR(A_BCM1480_IMR_REGISTER(cpu,  in arch_init_irq()
256 		for (cpu = 0; cpu < 4; cpu++) {  in arch_init_irq()
258 				     IOADDR(A_BCM1480_IMR_REGISTER(cpu,  in arch_init_irq()
267 	 * inter-cpu messages  in arch_init_irq()
270 	for (cpu = 0; cpu < 4; cpu++) {  in arch_init_irq()
271 		__raw_writeq(IMR_IP3_VAL, IOADDR(A_BCM1480_IMR_REGISTER(cpu, R_BCM1480_IMR_INTERRUPT_MAP_BASE_H) +  in arch_init_irq()
277 	for (cpu = 0; cpu < 4; cpu++) {  in arch_init_irq()
279 			     IOADDR(A_BCM1480_IMR_REGISTER(cpu, R_BCM1480_IMR_MAILBOX_0_CLR_CPU)));  in arch_init_irq()
281 			     IOADDR(A_BCM1480_IMR_REGISTER(cpu, R_BCM1480_IMR_MAILBOX_1_CLR_CPU)));  in arch_init_irq()
287 	for (cpu = 0; cpu < 4; cpu++) {  in arch_init_irq()
288 		__raw_writeq(tmp, IOADDR(A_BCM1480_IMR_REGISTER(cpu, R_BCM1480_IMR_INTERRUPT_MASK_H)));  in arch_init_irq()
291 	for (cpu = 0; cpu < 4; cpu++) {  in arch_init_irq()
292 		__raw_writeq(tmp, IOADDR(A_BCM1480_IMR_REGISTER(cpu, R_BCM1480_IMR_INTERRUPT_MASK_L)));  in arch_init_irq()
310 	unsigned int cpu = smp_processor_id();  in dispatch_ip2()  local
316 	 * to detect which CPU we're on, now that smp_affinity is supported.  in dispatch_ip2()
318 	base = A_BCM1480_IMR_MAPPER(cpu);  in dispatch_ip2()
326 			do_IRQ(fls64(mask_h) - 1);  in dispatch_ip2()
334 	unsigned int cpu = smp_processor_id();  in plat_irq_dispatch()  local
340 		do_IRQ(K_BCM1480_INT_TIMER_0 + cpu);  in plat_irq_dispatch()