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Jonas Bonnf8c4a272011-06-04 21:52:05 +03001#
2# For a description of the syntax of this configuration file,
Paul Bolle395cf962011-08-15 02:02:26 +02003# see Documentation/kbuild/kconfig-language.txt.
Jonas Bonnf8c4a272011-06-04 21:52:05 +03004#
5
6config OPENRISC
7 def_bool y
8 select OF
9 select OF_EARLY_FLATTREE
Jonas Bonnb4c4c6e2012-04-06 12:52:54 +020010 select IRQ_DOMAIN
Marc Zyngierd1f6f282014-08-26 11:03:19 +010011 select HANDLE_DOMAIN_IRQ
Jonas Bonnf8c4a272011-06-04 21:52:05 +030012 select HAVE_MEMBLOCK
Jonas Bonnd4cb7762013-02-28 06:55:22 +010013 select ARCH_REQUIRE_GPIOLIB
Jonas Bonnf8c4a272011-06-04 21:52:05 +030014 select HAVE_ARCH_TRACEHOOK
Jonas Bonnf8c4a272011-06-04 21:52:05 +030015 select GENERIC_IRQ_CHIP
16 select GENERIC_IRQ_PROBE
17 select GENERIC_IRQ_SHOW
18 select GENERIC_IOMAP
Ben Hutchings9f13a1f2012-01-10 03:04:32 +000019 select GENERIC_CPU_DEVICES
Richard Weinberger0662d332012-03-02 01:55:11 +010020 select GENERIC_ATOMIC64
Anna-Maria Gleixner5bf8f6b2012-05-18 16:45:51 +000021 select GENERIC_CLOCKEVENTS
Jonas Bonn603d6632012-05-25 08:24:49 +020022 select GENERIC_STRNCPY_FROM_USER
Jonas Bonnb48b2c32012-05-27 10:25:47 +020023 select GENERIC_STRNLEN_USER
David Howells786d35d2012-09-28 14:31:03 +093024 select MODULES_USE_ELF_RELA
Dave Hansend1a1dc02013-07-01 13:04:42 -070025 select HAVE_DEBUG_STACKOVERFLOW
Stefan Kristiansson4db8e6d2014-05-26 23:31:42 +030026 select OR1K_PIC
Jonas Bonnf8c4a272011-06-04 21:52:05 +030027
28config MMU
29 def_bool y
30
Jonas Bonnf8c4a272011-06-04 21:52:05 +030031config HAVE_DMA_ATTRS
32 def_bool y
33
34config UID16
35 def_bool y
36
37config RWSEM_GENERIC_SPINLOCK
38 def_bool y
39
40config RWSEM_XCHGADD_ALGORITHM
41 def_bool n
42
43config GENERIC_HWEIGHT
44 def_bool y
45
Uwe Kleine-Königce816fa2014-04-07 15:39:19 -070046config NO_IOPORT_MAP
Jonas Bonnf8c4a272011-06-04 21:52:05 +030047 def_bool y
48
Jonas Bonnf8c4a272011-06-04 21:52:05 +030049config TRACE_IRQFLAGS_SUPPORT
50 def_bool y
51
52# For now, use generic checksum functions
53#These can be reimplemented in assembly later if so inclined
54config GENERIC_CSUM
55 def_bool y
56
Jonas Bonnf8c4a272011-06-04 21:52:05 +030057source "init/Kconfig"
58
Chen Gang57a1a192013-08-13 16:01:02 -070059source "kernel/Kconfig.freezer"
Jonas Bonnf8c4a272011-06-04 21:52:05 +030060
61menu "Processor type and features"
62
63choice
64 prompt "Subarchitecture"
65 default OR1K_1200
66
67config OR1K_1200
68 bool "OR1200"
69 help
70 Generic OpenRISC 1200 architecture
71
72endchoice
73
74config OPENRISC_BUILTIN_DTB
75 string "Builtin DTB"
76 default ""
77
78menu "Class II Instructions"
79
80config OPENRISC_HAVE_INST_FF1
81 bool "Have instruction l.ff1"
82 default y
83 help
84 Select this if your implementation has the Class II instruction l.ff1
85
86config OPENRISC_HAVE_INST_FL1
87 bool "Have instruction l.fl1"
88 default y
89 help
90 Select this if your implementation has the Class II instruction l.fl1
91
92config OPENRISC_HAVE_INST_MUL
93 bool "Have instruction l.mul for hardware multiply"
94 default y
95 help
96 Select this if your implementation has a hardware multiply instruction
97
98config OPENRISC_HAVE_INST_DIV
99 bool "Have instruction l.div for hardware divide"
100 default y
101 help
102 Select this if your implementation has a hardware divide instruction
103endmenu
104
105
Jonas Bonnf8c4a272011-06-04 21:52:05 +0300106source kernel/Kconfig.hz
107source kernel/Kconfig.preempt
108source "mm/Kconfig"
109
110config OPENRISC_NO_SPR_SR_DSX
111 bool "use SPR_SR_DSX software emulation" if OR1K_1200
112 default y
113 help
114 SPR_SR_DSX bit is status register bit indicating whether
115 the last exception has happened in delay slot.
116
117 OpenRISC architecture makes it optional to have it implemented
118 in hardware and the OR1200 does not have it.
119
120 Say N here if you know that your OpenRISC processor has
121 SPR_SR_DSX bit implemented. Say Y if you are unsure.
122
123config CMDLINE
124 string "Default kernel command string"
125 default ""
126 help
127 On some architectures there is currently no way for the boot loader
128 to pass arguments to the kernel. For these architectures, you should
129 supply some command-line options at build time by entering them
130 here.
131
132menu "Debugging options"
133
Jonas Bonnf8c4a272011-06-04 21:52:05 +0300134config JUMP_UPON_UNHANDLED_EXCEPTION
135 bool "Try to die gracefully"
136 default y
137 help
138 Now this puts kernel into infinite loop after first oops. Till
139 your kernel crashes this doesn't have any influence.
140
141 Say Y if you are unsure.
142
Jonas Bonnf8c4a272011-06-04 21:52:05 +0300143config OPENRISC_ESR_EXCEPTION_BUG_CHECK
144 bool "Check for possible ESR exception bug"
145 default n
146 help
147 This option enables some checks that might expose some problems
148 in kernel.
149
150 Say N if you are unsure.
151
152endmenu
153
154endmenu
155
156menu "Executable file formats"
157
158source "fs/Kconfig.binfmt"
159
160endmenu
161
162source "net/Kconfig"
163
164source "drivers/Kconfig"
165
166source "fs/Kconfig"
167
168source "security/Kconfig"
169
170source "crypto/Kconfig"
171
172source "lib/Kconfig"
173
174menu "Kernel hacking"
175
176source "lib/Kconfig.debug"
177
178endmenu