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1 | # |
2 | # For a description of the syntax of this configuration file, | |
395cf969 | 3 | # see Documentation/kbuild/kconfig-language.txt. |
f8c4a270 JB |
4 | # |
5 | ||
6 | config OPENRISC | |
7 | def_bool y | |
8 | select OF | |
9 | select OF_EARLY_FLATTREE | |
b4c4c6ee | 10 | select IRQ_DOMAIN |
d1f6f28f | 11 | select HANDLE_DOMAIN_IRQ |
f8c4a270 | 12 | select HAVE_MEMBLOCK |
d4cb776f | 13 | select ARCH_REQUIRE_GPIOLIB |
f8c4a270 | 14 | select HAVE_ARCH_TRACEHOOK |
f8c4a270 JB |
15 | select GENERIC_IRQ_CHIP |
16 | select GENERIC_IRQ_PROBE | |
17 | select GENERIC_IRQ_SHOW | |
18 | select GENERIC_IOMAP | |
9f13a1fd | 19 | select GENERIC_CPU_DEVICES |
0662d33a | 20 | select GENERIC_ATOMIC64 |
5bf8f6bf | 21 | select GENERIC_CLOCKEVENTS |
603d6637 | 22 | select GENERIC_STRNCPY_FROM_USER |
b48b2c3e | 23 | select GENERIC_STRNLEN_USER |
786d35d4 | 24 | select MODULES_USE_ELF_RELA |
d1a1dc0b | 25 | select HAVE_DEBUG_STACKOVERFLOW |
4db8e6d2 | 26 | select OR1K_PIC |
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27 | |
28 | config MMU | |
29 | def_bool y | |
30 | ||
f8c4a270 JB |
31 | config HAVE_DMA_ATTRS |
32 | def_bool y | |
33 | ||
34 | config UID16 | |
35 | def_bool y | |
36 | ||
37 | config RWSEM_GENERIC_SPINLOCK | |
38 | def_bool y | |
39 | ||
40 | config RWSEM_XCHGADD_ALGORITHM | |
41 | def_bool n | |
42 | ||
43 | config GENERIC_HWEIGHT | |
44 | def_bool y | |
45 | ||
ce816fa8 | 46 | config NO_IOPORT_MAP |
f8c4a270 JB |
47 | def_bool y |
48 | ||
f8c4a270 JB |
49 | config 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 | |
54 | config GENERIC_CSUM | |
55 | def_bool y | |
56 | ||
f8c4a270 JB |
57 | source "init/Kconfig" |
58 | ||
57a1a197 | 59 | source "kernel/Kconfig.freezer" |
f8c4a270 JB |
60 | |
61 | menu "Processor type and features" | |
62 | ||
63 | choice | |
64 | prompt "Subarchitecture" | |
65 | default OR1K_1200 | |
66 | ||
67 | config OR1K_1200 | |
68 | bool "OR1200" | |
69 | help | |
70 | Generic OpenRISC 1200 architecture | |
71 | ||
72 | endchoice | |
73 | ||
74 | config OPENRISC_BUILTIN_DTB | |
75 | string "Builtin DTB" | |
76 | default "" | |
77 | ||
78 | menu "Class II Instructions" | |
79 | ||
80 | config 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 | ||
86 | config 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 | ||
92 | config 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 | ||
98 | config 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 | |
103 | endmenu | |
104 | ||
105 | ||
f8c4a270 JB |
106 | source kernel/Kconfig.hz |
107 | source kernel/Kconfig.preempt | |
108 | source "mm/Kconfig" | |
109 | ||
110 | config 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 | ||
123 | config 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 | ||
132 | menu "Debugging options" | |
133 | ||
f8c4a270 JB |
134 | config 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 | ||
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143 | config 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 | ||
152 | endmenu | |
153 | ||
154 | endmenu | |
155 | ||
156 | menu "Executable file formats" | |
157 | ||
158 | source "fs/Kconfig.binfmt" | |
159 | ||
160 | endmenu | |
161 | ||
162 | source "net/Kconfig" | |
163 | ||
164 | source "drivers/Kconfig" | |
165 | ||
166 | source "fs/Kconfig" | |
167 | ||
168 | source "security/Kconfig" | |
169 | ||
170 | source "crypto/Kconfig" | |
171 | ||
172 | source "lib/Kconfig" | |
173 | ||
174 | menu "Kernel hacking" | |
175 | ||
176 | source "lib/Kconfig.debug" | |
177 | ||
178 | endmenu |