xref: /OK3568_Linux_fs/kernel/drivers/sh/intc/Kconfig (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyunconfig SH_INTC
3*4882a593Smuzhiyun	bool
4*4882a593Smuzhiyun	select IRQ_DOMAIN
5*4882a593Smuzhiyun
6*4882a593Smuzhiyunif SH_INTC
7*4882a593Smuzhiyun
8*4882a593Smuzhiyuncomment "Interrupt controller options"
9*4882a593Smuzhiyun
10*4882a593Smuzhiyunconfig INTC_USERIMASK
11*4882a593Smuzhiyun	bool "Userspace interrupt masking support"
12*4882a593Smuzhiyun	depends on (SUPERH && CPU_SH4A) || COMPILE_TEST
13*4882a593Smuzhiyun	help
14*4882a593Smuzhiyun	  This enables support for hardware-assisted userspace hardirq
15*4882a593Smuzhiyun	  masking.
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun	  SH-4A and newer interrupt blocks all support a special shadowed
18*4882a593Smuzhiyun	  page with all non-masking registers obscured when mapped in to
19*4882a593Smuzhiyun	  userspace. This is primarily for use by userspace device
20*4882a593Smuzhiyun	  drivers that are using special priority levels.
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun	  If in doubt, say N.
23*4882a593Smuzhiyun
24*4882a593Smuzhiyunconfig INTC_BALANCING
25*4882a593Smuzhiyun	bool "Hardware IRQ balancing support"
26*4882a593Smuzhiyun	depends on SMP && SUPERH && CPU_SHX3
27*4882a593Smuzhiyun	help
28*4882a593Smuzhiyun	  This enables support for IRQ auto-distribution mode on SH-X3
29*4882a593Smuzhiyun	  SMP parts. All of the balancing and CPU wakeup decisions are
30*4882a593Smuzhiyun	  taken care of automatically by hardware for distributed
31*4882a593Smuzhiyun	  vectors.
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun	  If in doubt, say N.
34*4882a593Smuzhiyun
35*4882a593Smuzhiyunconfig INTC_MAPPING_DEBUG
36*4882a593Smuzhiyun	bool "Expose IRQ to per-controller id mapping via debugfs"
37*4882a593Smuzhiyun	depends on DEBUG_FS
38*4882a593Smuzhiyun	help
39*4882a593Smuzhiyun	  This will create a debugfs entry for showing the relationship
40*4882a593Smuzhiyun	  between system IRQs and the per-controller id tables.
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun	  If in doubt, say N.
43*4882a593Smuzhiyun
44*4882a593Smuzhiyunendif
45