Loading...
1config SH_INTC
2 bool
3 select IRQ_DOMAIN
4
5if SH_INTC
6
7comment "Interrupt controller options"
8
9config INTC_USERIMASK
10 bool "Userspace interrupt masking support"
11 depends on (SUPERH && CPU_SH4A) || COMPILE_TEST
12 help
13 This enables support for hardware-assisted userspace hardirq
14 masking.
15
16 SH-4A and newer interrupt blocks all support a special shadowed
17 page with all non-masking registers obscured when mapped in to
18 userspace. This is primarily for use by userspace device
19 drivers that are using special priority levels.
20
21 If in doubt, say N.
22
23config INTC_BALANCING
24 bool "Hardware IRQ balancing support"
25 depends on SMP && SUPERH && CPU_SHX3
26 help
27 This enables support for IRQ auto-distribution mode on SH-X3
28 SMP parts. All of the balancing and CPU wakeup decisions are
29 taken care of automatically by hardware for distributed
30 vectors.
31
32 If in doubt, say N.
33
34config INTC_MAPPING_DEBUG
35 bool "Expose IRQ to per-controller id mapping via debugfs"
36 depends on DEBUG_FS
37 help
38 This will create a debugfs entry for showing the relationship
39 between system IRQs and the per-controller id tables.
40
41 If in doubt, say N.
42
43endif
1config SH_INTC
2 def_bool y
3 select IRQ_DOMAIN
4
5comment "Interrupt controller options"
6
7config INTC_USERIMASK
8 bool "Userspace interrupt masking support"
9 depends on ARCH_SHMOBILE || (SUPERH && CPU_SH4A) || COMPILE_TEST
10 help
11 This enables support for hardware-assisted userspace hardirq
12 masking.
13
14 SH-4A and newer interrupt blocks all support a special shadowed
15 page with all non-masking registers obscured when mapped in to
16 userspace. This is primarily for use by userspace device
17 drivers that are using special priority levels.
18
19 If in doubt, say N.
20
21config INTC_BALANCING
22 bool "Hardware IRQ balancing support"
23 depends on SMP && SUPERH && CPU_SHX3
24 help
25 This enables support for IRQ auto-distribution mode on SH-X3
26 SMP parts. All of the balancing and CPU wakeup decisions are
27 taken care of automatically by hardware for distributed
28 vectors.
29
30 If in doubt, say N.
31
32config INTC_MAPPING_DEBUG
33 bool "Expose IRQ to per-controller id mapping via debugfs"
34 depends on DEBUG_FS
35 help
36 This will create a debugfs entry for showing the relationship
37 between system IRQs and the per-controller id tables.
38
39 If in doubt, say N.