xref: /openbmc/linux/drivers/sh/intc/Kconfig (revision 51bc620b)
1# SPDX-License-Identifier: GPL-2.0-only
2config SH_INTC
3	bool
4	select IRQ_DOMAIN
5
6if SH_INTC
7
8comment "Interrupt controller options"
9
10config INTC_USERIMASK
11	bool "Userspace interrupt masking support"
12	depends on (SUPERH && CPU_SH4A) || COMPILE_TEST
13	help
14	  This enables support for hardware-assisted userspace hardirq
15	  masking.
16
17	  SH-4A and newer interrupt blocks all support a special shadowed
18	  page with all non-masking registers obscured when mapped in to
19	  userspace. This is primarily for use by userspace device
20	  drivers that are using special priority levels.
21
22	  If in doubt, say N.
23
24config INTC_BALANCING
25	bool "Hardware IRQ balancing support"
26	depends on SMP && SUPERH && CPU_SHX3
27	help
28	  This enables support for IRQ auto-distribution mode on SH-X3
29	  SMP parts. All of the balancing and CPU wakeup decisions are
30	  taken care of automatically by hardware for distributed
31	  vectors.
32
33	  If in doubt, say N.
34
35config INTC_MAPPING_DEBUG
36	bool "Expose IRQ to per-controller id mapping via debugfs"
37	depends on DEBUG_FS
38	help
39	  This will create a debugfs entry for showing the relationship
40	  between system IRQs and the per-controller id tables.
41
42	  If in doubt, say N.
43
44endif
45