Lines Matching +full:cpu +full:- +full:intc
1 // SPDX-License-Identifier: GPL-2.0-only
14 * ENABLE/STATUS words are packed next to each other for each CPU:
19 * 0x1000_0028: CPU0_W0_STATUS IRQs 31-63
20 * 0x1000_002c: CPU0_W1_STATUS IRQs 0-31
23 * 0x1000_0038: CPU1_W0_STATUS IRQs 31-63
24 * 0x1000_003c: CPU1_W1_STATUS IRQs 0-31
31 * 0x1000_0030: CPU0_W0_STATUS IRQs 96-127
32 * 0x1000_0034: CPU0_W1_STATUS IRQs 64-95
33 * 0x1000_0038: CPU0_W2_STATUS IRQs 32-63
34 * 0x1000_003c: CPU0_W3_STATUS IRQs 0-31
39 * 0x1000_0050: CPU1_W0_STATUS IRQs 96-127
40 * 0x1000_0054: CPU1_W1_STATUS IRQs 64-95
41 * 0x1000_0058: CPU1_W2_STATUS IRQs 32-63
42 * 0x1000_005c: CPU1_W3_STATUS IRQs 0-31
44 * IRQs are numbered in CPU native endian order
45 * (which is big-endian in these examples)
85 struct bcm6345_l1_chip *intc; member
91 static inline unsigned int reg_enable(struct bcm6345_l1_chip *intc, in reg_enable() argument
95 return (1 * intc->n_words - word - 1) * sizeof(u32); in reg_enable()
97 return (0 * intc->n_words + word) * sizeof(u32); in reg_enable()
101 static inline unsigned int reg_status(struct bcm6345_l1_chip *intc, in reg_status() argument
105 return (2 * intc->n_words - word - 1) * sizeof(u32); in reg_status()
107 return (1 * intc->n_words + word) * sizeof(u32); in reg_status()
111 static inline unsigned int cpu_for_irq(struct bcm6345_l1_chip *intc, in cpu_for_irq() argument
114 return cpumask_first_and(&intc->cpumask, irq_data_get_affinity_mask(d)); in cpu_for_irq()
119 struct bcm6345_l1_cpu *cpu = irq_desc_get_handler_data(desc); in bcm6345_l1_irq_handle() local
120 struct bcm6345_l1_chip *intc = cpu->intc; in bcm6345_l1_irq_handle() local
126 for (idx = 0; idx < intc->n_words; idx++) { in bcm6345_l1_irq_handle()
132 pending = __raw_readl(cpu->map_base + reg_status(intc, idx)); in bcm6345_l1_irq_handle()
133 pending &= __raw_readl(cpu->map_base + reg_enable(intc, idx)); in bcm6345_l1_irq_handle()
136 irq = irq_linear_revmap(intc->domain, base + hwirq); in bcm6345_l1_irq_handle()
149 struct bcm6345_l1_chip *intc = irq_data_get_irq_chip_data(d); in __bcm6345_l1_unmask() local
150 u32 word = d->hwirq / IRQS_PER_WORD; in __bcm6345_l1_unmask()
151 u32 mask = BIT(d->hwirq % IRQS_PER_WORD); in __bcm6345_l1_unmask()
152 unsigned int cpu_idx = cpu_for_irq(intc, d); in __bcm6345_l1_unmask()
154 intc->cpus[cpu_idx]->enable_cache[word] |= mask; in __bcm6345_l1_unmask()
155 __raw_writel(intc->cpus[cpu_idx]->enable_cache[word], in __bcm6345_l1_unmask()
156 intc->cpus[cpu_idx]->map_base + reg_enable(intc, word)); in __bcm6345_l1_unmask()
161 struct bcm6345_l1_chip *intc = irq_data_get_irq_chip_data(d); in __bcm6345_l1_mask() local
162 u32 word = d->hwirq / IRQS_PER_WORD; in __bcm6345_l1_mask()
163 u32 mask = BIT(d->hwirq % IRQS_PER_WORD); in __bcm6345_l1_mask()
164 unsigned int cpu_idx = cpu_for_irq(intc, d); in __bcm6345_l1_mask()
166 intc->cpus[cpu_idx]->enable_cache[word] &= ~mask; in __bcm6345_l1_mask()
167 __raw_writel(intc->cpus[cpu_idx]->enable_cache[word], in __bcm6345_l1_mask()
168 intc->cpus[cpu_idx]->map_base + reg_enable(intc, word)); in __bcm6345_l1_mask()
173 struct bcm6345_l1_chip *intc = irq_data_get_irq_chip_data(d); in bcm6345_l1_unmask() local
176 raw_spin_lock_irqsave(&intc->lock, flags); in bcm6345_l1_unmask()
178 raw_spin_unlock_irqrestore(&intc->lock, flags); in bcm6345_l1_unmask()
183 struct bcm6345_l1_chip *intc = irq_data_get_irq_chip_data(d); in bcm6345_l1_mask() local
186 raw_spin_lock_irqsave(&intc->lock, flags); in bcm6345_l1_mask()
188 raw_spin_unlock_irqrestore(&intc->lock, flags); in bcm6345_l1_mask()
195 struct bcm6345_l1_chip *intc = irq_data_get_irq_chip_data(d); in bcm6345_l1_set_affinity() local
196 u32 word = d->hwirq / IRQS_PER_WORD; in bcm6345_l1_set_affinity()
197 u32 mask = BIT(d->hwirq % IRQS_PER_WORD); in bcm6345_l1_set_affinity()
198 unsigned int old_cpu = cpu_for_irq(intc, d); in bcm6345_l1_set_affinity()
204 if (!cpumask_and(&valid, &intc->cpumask, dest)) in bcm6345_l1_set_affinity()
205 return -EINVAL; in bcm6345_l1_set_affinity()
209 return -EINVAL; in bcm6345_l1_set_affinity()
213 raw_spin_lock_irqsave(&intc->lock, flags); in bcm6345_l1_set_affinity()
215 enabled = intc->cpus[old_cpu]->enable_cache[word] & mask; in bcm6345_l1_set_affinity()
224 raw_spin_unlock_irqrestore(&intc->lock, flags); in bcm6345_l1_set_affinity()
233 struct bcm6345_l1_chip *intc) in bcm6345_l1_init_one() argument
237 struct bcm6345_l1_cpu *cpu; in bcm6345_l1_init_one() local
241 return -EINVAL; in bcm6345_l1_init_one()
245 if (!intc->n_words) in bcm6345_l1_init_one()
246 intc->n_words = n_words; in bcm6345_l1_init_one()
247 else if (intc->n_words != n_words) in bcm6345_l1_init_one()
248 return -EINVAL; in bcm6345_l1_init_one()
250 cpu = intc->cpus[idx] = kzalloc(sizeof(*cpu) + n_words * sizeof(u32), in bcm6345_l1_init_one()
252 if (!cpu) in bcm6345_l1_init_one()
253 return -ENOMEM; in bcm6345_l1_init_one()
255 cpu->intc = intc; in bcm6345_l1_init_one()
256 cpu->map_base = ioremap(res.start, sz); in bcm6345_l1_init_one()
257 if (!cpu->map_base) in bcm6345_l1_init_one()
258 return -ENOMEM; in bcm6345_l1_init_one()
261 cpu->enable_cache[i] = 0; in bcm6345_l1_init_one()
262 __raw_writel(0, cpu->map_base + reg_enable(intc, i)); in bcm6345_l1_init_one()
265 cpu->parent_irq = irq_of_parse_and_map(dn, idx); in bcm6345_l1_init_one()
266 if (!cpu->parent_irq) { in bcm6345_l1_init_one()
267 pr_err("failed to map parent interrupt %d\n", cpu->parent_irq); in bcm6345_l1_init_one()
268 return -EINVAL; in bcm6345_l1_init_one()
270 irq_set_chained_handler_and_data(cpu->parent_irq, in bcm6345_l1_init_one()
271 bcm6345_l1_irq_handle, cpu); in bcm6345_l1_init_one()
277 .name = "bcm6345-l1",
288 irq_set_chip_data(virq, d->host_data); in bcm6345_l1_map()
301 struct bcm6345_l1_chip *intc; in bcm6345_l1_of_init() local
305 intc = kzalloc(sizeof(*intc), GFP_KERNEL); in bcm6345_l1_of_init()
306 if (!intc) in bcm6345_l1_of_init()
307 return -ENOMEM; in bcm6345_l1_of_init()
310 ret = bcm6345_l1_init_one(dn, idx, intc); in bcm6345_l1_of_init()
312 pr_err("failed to init intc L1 for cpu %d: %d\n", in bcm6345_l1_of_init()
315 cpumask_set_cpu(idx, &intc->cpumask); in bcm6345_l1_of_init()
318 if (!cpumask_weight(&intc->cpumask)) { in bcm6345_l1_of_init()
319 ret = -ENODEV; in bcm6345_l1_of_init()
323 raw_spin_lock_init(&intc->lock); in bcm6345_l1_of_init()
325 intc->domain = irq_domain_add_linear(dn, IRQS_PER_WORD * intc->n_words, in bcm6345_l1_of_init()
327 intc); in bcm6345_l1_of_init()
328 if (!intc->domain) { in bcm6345_l1_of_init()
329 ret = -ENOMEM; in bcm6345_l1_of_init()
333 pr_info("registered BCM6345 L1 intc (IRQs: %d)\n", in bcm6345_l1_of_init()
334 IRQS_PER_WORD * intc->n_words); in bcm6345_l1_of_init()
335 for_each_cpu(idx, &intc->cpumask) { in bcm6345_l1_of_init()
336 struct bcm6345_l1_cpu *cpu = intc->cpus[idx]; in bcm6345_l1_of_init() local
338 pr_info(" CPU%u at MMIO 0x%p (irq = %d)\n", idx, in bcm6345_l1_of_init()
339 cpu->map_base, cpu->parent_irq); in bcm6345_l1_of_init()
346 struct bcm6345_l1_cpu *cpu = intc->cpus[idx]; in bcm6345_l1_of_init() local
348 if (cpu) { in bcm6345_l1_of_init()
349 if (cpu->map_base) in bcm6345_l1_of_init()
350 iounmap(cpu->map_base); in bcm6345_l1_of_init()
351 kfree(cpu); in bcm6345_l1_of_init()
355 kfree(intc); in bcm6345_l1_of_init()
359 IRQCHIP_DECLARE(bcm6345_l1, "brcm,bcm6345-l1-intc", bcm6345_l1_of_init);