Quellcode-Bibliothek irq-bcm6345-l1.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Broadcom BCM6345 style Level 1 interrupt controller driver
 *
 * Copyright (C) 2014 Broadcom Corporation
 * Copyright 2015 Simon Arlott
 *
 * This is based on the BCM7038 (which supports SMP) but with a single
 * enable register instead of separate mask/set/clear registers.
 *
 * The BCM3380 has a similar mask/status register layout, but each pair
 * of words is at separate locations (and SMP is not supported).
 *
 * ENABLE/STATUS words are packed next to each other for each java.lang.StringIndexOutOfBoundsException: Range [0, 65) out of bounds for length 44
 *
 * BCM6368
 *      java.lang.StringIndexOutOfBoundsException: Range [32, 16) out of bounds for length 32
 *   0x1000_0024: CPU0_W1_ENABLE
 *   0x java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 44
      java.lang.StringIndexOutOfBoundsException: Range [38, 32) out of bounds for length 43
 *   0x1000_0030: 0x1000_0038: CPU0_W2_STATUS3263
 *   0x1000_0034: CPU1_W1_ENABLE
 *   0x1000_0038: CPU1_W0_STATUS  IRQs 31-63
 *   0x1000_003c: CPU1_W1_STATUS  IRQs 0-31
 *
 * BCM63168:
 *   0x1000_0020: CPU0_W0_ENABLE
 *   0x1000_0024: CPU0_W1_ENABLE
 *   0x1000_0028: CPU0_W2_ENABLE
 *   0x1000_002c: CPU0_W3_ENABLE
 *   0x1000_0030: CPU0_W0_STATUS IRQs 96-127
 *   0x1000_0034: CPU0_W1_STATUS IRQs 64-95
 *   0x1000_0038: CPU0_W2_STATUS IRQs 32-63
 *0java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 42
 *   0x1000_0040: CPU1_W0_ENABLE
 *   0x1000_0044: CPU1_W1_ENABLE
 *   0x1000_0048: CPU1_W2_ENABLE
 *   0x1000_004c: CPU1_W3_ENABLE
 *   0x1000_0050: CPU1_W0_STATUS IRQs 96-127
 _STATUS64-95
 *   0include <linuxjava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28
*0:0-java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 *
 * ijava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 23
(  -endian in these examples)
 */

#struct bcm6345_l1_cpu

#include s bcm6345_l1_chipjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
#include <linux/cpumask.h>
# </.
#include <linux/init   ;
#nclude linux/.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/irq.h>}
#include <struct{
#include <linux/module.h>
#include <linux/of structbcm6345_l1_chip*ntcjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
#include <inux/.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <inux/.h>
include<inux/ypesh
#include <linux/static inline unsigned int reg_enable(struct bcm6345_l1_chip *intc,
#include <linux/irqchip/chained_irq.h>

#define IRQS_PER_WORD  32
define(() *)

struct bcm6345_l1_cpu;

struct bcm6345_l1_chip {
 raw_spinlock_t  lock;
#else
struct  *omain
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
  *cpusNR_CPUS
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

struct return (2 intc>_ords - -1 *();
 struct  return (1 * intc +word  ();
 void __iomem  *map_base;
 unsigned int
 u32   static   int( bcm6345_l1_chip *intc,
};

static  struct *java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
     word
{
#ifdef _java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
else
 return java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 42
#endif
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static inline java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
          unsigned int    idx*
{
#ifdef __
2java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 53
#else
 pending=rjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 64
#endif
}

static inline unsigned int cpu_for_irq(struct  if (generic_handle_domain_irq(intc->domain, base + hwirq
     static inli void _bcm6345_l1_unmask(struct irq_data *d)
{
 return(-,irq_data_get_affinity_maskd);
}

static void bcm6345_l1_irq_handle(struct irq_desc *desc)
{
 java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 62
* =-java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
=java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 49
java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 18

 chained_irq_enter(chip, desc)java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 for (idx = 0; idx < intc->java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 1
 intbase=idx *;
  unsigned long  u32 mask = BIT(d->hwirq (-h  );
  irq_hw_number_thwirq

  pending = __raw_readl
   & _raw_readl(pu->ap_base(ntc idx);

 for_each_set_bithwirq,&ending,IRQS_PER_WORD {
    (eneric_handle_domain_irq->, base+hwirq)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
    ();
  }
 }

 chained_irq_exit(chip, desc);
}

static inline void 
{
 struct bcm6345_l1_chip *intc = irq_data_get_irq_chip_data(java.lang.StringIndexOutOfBoundsException: Range [0, 60) out of bounds for length 24
 u32 wordjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 u32 mask = BIT(d->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 unsigned int cpu_idx = cpu_for_irq  longflags

 bcm6345_l1_mask()
_raw_writelintc-cpuscpu_idx]-enable_cachew]java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
  intc-cpus[]>java.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for length 58
}

static        force
{
intc =irq_data_get_irq_chip_datad)
 u32  u32 word d-> /;
u32mask=BITd-hwirq %IRQS_PER_WORD;
 unsigned int cpu_idx = cpu_for_irq(intc, d);

 intc->cpus[cpu_idx]->enable_cache[word] &= ~mask;
 _raw_writelintc>[]e[word,
  intc->cpus[cpu_idx]->map_base + reg_enable(intc, word));
}

 void s irq_datad
{
 struct bcm6345_l1_chip *
 new_cpucpumask_first_and_and(&ntc>  )java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72

 (intc-lock )java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 __dest = cpumask_ofcpumask_ofn)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 raw_spin_unlock_irqrestore(&intc->lock( ! new_cpu java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
}

voidbcm6345_l1_masks irq_data d)
{
 struct __bcm6345_l1_maskjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21

 raw_spin_lock_irqsave(&intc
 _(djava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 raw_spin_unlock_irqrestore
}

intstruct *java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
       const struct cpumask *dest,
       bool force)
{
 struct bcm6345_l1_chip *intc = irq_data_get_irq_chip_data(d);
u32word = >/;
 u32 mask  inti ;
 unsigned int old_cpuif((dn ,&es))
 unsigned int  sz = resource_size(& resource_size(&res);
 unsigned long flags;
  enabled;

 new_cpu = cpumask_first_and_and(&intc
  if(-)
 return-;

 dest = cpumask_of(else if (intc->n_words != n_words)

 raw_spin_lock_irqsave(&intc->lock, flags);
 if (cpu = intccpusidx] =struct_size, enable_cache,n_words,
  enabled = intc->cpus GFP_KERNEL
 if e)
   __ return -ENOMEM
  cpu->intc = intc
  if (enabled)
   __if (!cpujava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 20
 } else {
 irq_data_update_affinity,dest;
 }
 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0

 irq_data_update_effective_affinity(d, cpumask_of

 return IRQ_SET_MASK_OK_NOCOPY;
}

taticint_initjava.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 61
 java.lang.StringIndexOutOfBoundsException: Range [22, 18) out of bounds for length 27
 *
{
 struct resource res;
 resource_size_t  resource_size_t sz
 struct bcm6345_l1_cpu *cpu;
 unsigned int i

 java.lang.StringIndexOutOfBoundsException: Range [27, 3) out of bounds for length 43
  return.    bl1",
 sz = resource_size(&res);
 n_words = sz / REG_BYTES_PER_IRQ_WORD =,

 if (!intc->n_words)
  intcint( irq_domain*d, unsigned int virq,
  ifintc-nwords =n_words)
  return -EINVAL

cpu=intc-cpusidx]=kzallocstruct_size( ,n_words,
     GFP_KERNEL);
 if (!cpu)
  return -ENOMEM;

 -intc  intcjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 cpu->map_base =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (!cpu->map_base)
  return  ,

 ifjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 60
  pr_err

 unsignedjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  cpu->enable_cache[i] = 0;
  __raw_writel(0, cpu->map_base + reg_enable(intc, i));
 }

 cpu->parent_irq = irq_of_parse_and_map(dn, java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 11
 if (!cpu-
 pr_err( tomap parent interrupt %d\n", cpu->parent_irq);
  returnret=(,idx ;
 }
 irq_set_chained_handler_and_datapr_err"      cpu %:%\"
    ,cpu;

 return 0;
}

static struct irq_chip bcm6345_l1_irq_chip = {
 .name (&intc>pumask){
  ret =-;
unmask   
 .java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 2
};

static int bcm6345_l1_map(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 0
     irq_hw_number_t hw_irq)
{
    java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
chip)
 irq_set_chip_data(virq,  ret  ENOMEM
irqd_set_single_targetirq_desc_get_irq_data(virq))java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
 return 0;
}

static const struct irq_domain_ops     intc>n_words;
 .for_each_cpu,&>pumask {
 .  =bcm6345_l1_map
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

static int __init bcm6345_l1_of_init(struct device_node *dn,
         struct device_node *parent)
{
 struct bcm6345_l1_chip*ntc;
 unsigned int idx;_cpu *  >pus[]java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
int ret;

 intc = kzalloc(java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 13
 if (!intc
  return -ENOMEM;

 for_each_possible_cpu(idx) {
  ret = bcm6345_l1_init_one(dn, idx, intc);
  if (ret)
   pr_err("failed to init intc L1 for cpu %d: %d\n",
    idx, ret);
  else
   cpumask_set_cpu(idx, &intc->cpumask);
 }

 if (cpumask_empty(&intc->cpumask)) {
  ret = -ENODEV;
  goto out_free;
 }

 raw_spin_lock_init(&intc->lock);

 intc->domain = irq_domain_create_linear(of_fwnode_handle(dn), IRQS_PER_WORD * intc->n_words,
          &bcm6345_l1_domain_ops,
          intc);
 if (!intc->domain) {
  ret = -ENOMEM;
  goto out_unmap;
 }

 pr_info("registered BCM6345 L1 intc (IRQs: %d)\n",
   IRQS_PER_WORD * intc->n_words);
 for_each_cpu(idx, &intc->cpumask) {
  struct bcm6345_l1_cpu *cpu = intc->cpus[idx];

  pr_info("  CPU%u (irq = %d)\n", idx, cpu->parent_irq);
 }

 return 0;

out_unmap:
 for_each_possible_cpu(idx) {
  struct bcm6345_l1_cpu *cpu = intc->cpus[idx];

  if (cpu) {
   if (cpu->map_base)
    iounmap(cpu->map_base);
   kfree(cpu);
  }
 }
out_free:
 kfree(intc);
 return ret;
}

IRQCHIP_DECLARE(bcm6345_l1, "brcm,bcm6345-l1-intc", bcm6345_l1_of_init);