1config MICROBLAZE
2	def_bool y
3	select HAVE_MEMBLOCK
4	select HAVE_FUNCTION_TRACER
5	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
6	select HAVE_FUNCTION_GRAPH_TRACER
7	select HAVE_DYNAMIC_FTRACE
8	select HAVE_FTRACE_MCOUNT_RECORD
9	select ARCH_WANT_OPTIONAL_GPIOLIB
10	select HAVE_OPROFILE
11	select HAVE_ARCH_KGDB
12	select HAVE_DMA_ATTRS
13	select HAVE_DMA_API_DEBUG
14	select TRACING_SUPPORT
15	select OF
16	select OF_EARLY_FLATTREE
17	select HAVE_GENERIC_HARDIRQS
18	select GENERIC_IRQ_PROBE
19	select GENERIC_IRQ_SHOW
20	select GENERIC_PCI_IOMAP
21	select GENERIC_CPU_DEVICES
22	select GENERIC_ATOMIC64
23
24config SWAP
25	def_bool n
26
27config RWSEM_GENERIC_SPINLOCK
28	def_bool y
29
30config RWSEM_XCHGADD_ALGORITHM
31	bool
32
33config ARCH_HAS_ILOG2_U32
34	def_bool n
35
36config ARCH_HAS_ILOG2_U64
37	def_bool n
38
39config GENERIC_HWEIGHT
40	def_bool y
41
42config GENERIC_CALIBRATE_DELAY
43	def_bool y
44
45config GENERIC_TIME_VSYSCALL
46	def_bool n
47
48config GENERIC_CLOCKEVENTS
49	def_bool y
50
51config GENERIC_GPIO
52	def_bool y
53
54config GENERIC_CSUM
55	def_bool y
56
57config STACKTRACE_SUPPORT
58	def_bool y
59
60config LOCKDEP_SUPPORT
61	def_bool y
62
63config HAVE_LATENCYTOP_SUPPORT
64	def_bool y
65
66source "init/Kconfig"
67
68source "kernel/Kconfig.freezer"
69
70source "arch/microblaze/platform/Kconfig.platform"
71
72menu "Processor type and features"
73
74source "kernel/time/Kconfig"
75
76source "kernel/Kconfig.preempt"
77
78source "kernel/Kconfig.hz"
79
80config MMU
81	bool "MMU support"
82	default n
83
84config NO_MMU
85	bool
86	depends on !MMU
87	default y
88
89comment "Boot options"
90
91config CMDLINE_BOOL
92	bool "Default bootloader kernel arguments"
93
94config CMDLINE
95	string "Default kernel command string"
96	depends on CMDLINE_BOOL
97	default "console=ttyUL0,115200"
98	help
99	  On some architectures there is currently no way for the boot loader
100	  to pass arguments to the kernel. For these architectures, you should
101	  supply some command-line options at build time by entering them
102	  here.
103
104config CMDLINE_FORCE
105	bool "Force default kernel command string"
106	depends on CMDLINE_BOOL
107	default n
108	help
109	  Set this to have arguments from the default kernel command string
110	  override those passed by the boot loader.
111
112config SECCOMP
113	bool "Enable seccomp to safely compute untrusted bytecode"
114	depends on PROC_FS
115	default y
116	help
117	  This kernel feature is useful for number crunching applications
118	  that may need to compute untrusted bytecode during their
119	  execution. By using pipes or other transports made available to
120	  the process as file descriptors supporting the read/write
121	  syscalls, it's possible to isolate those applications in
122	  their own address space using seccomp. Once seccomp is
123	  enabled via /proc/<pid>/seccomp, it cannot be disabled
124	  and the task is only allowed to execute a few safe syscalls
125	  defined by each seccomp mode.
126
127	  If unsure, say Y. Only embedded should say N here.
128
129endmenu
130
131menu "Advanced setup"
132
133config ADVANCED_OPTIONS
134	bool "Prompt for advanced kernel configuration options"
135	help
136	  This option will enable prompting for a variety of advanced kernel
137	  configuration options.  These options can cause the kernel to not
138	  work if they are set incorrectly, but can be used to optimize certain
139	  aspects of kernel memory management.
140
141	  Unless you know what you are doing, say N here.
142
143comment "Default settings for advanced configuration options are used"
144	depends on !ADVANCED_OPTIONS
145
146config XILINX_UNCACHED_SHADOW
147	bool "Are you using uncached shadow for RAM ?"
148	depends on ADVANCED_OPTIONS && !MMU
149	default n
150	help
151	  This is needed to be able to allocate uncachable memory regions.
152	  The feature requires the design to define the RAM memory controller
153	  window to be twice as large as the actual physical memory.
154
155config HIGHMEM_START_BOOL
156	bool "Set high memory pool address"
157	depends on ADVANCED_OPTIONS && HIGHMEM
158	help
159	  This option allows you to set the base address of the kernel virtual
160	  area used to map high memory pages.  This can be useful in
161	  optimizing the layout of kernel virtual memory.
162
163	  Say N here unless you know what you are doing.
164
165config HIGHMEM_START
166	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
167	depends on MMU
168	default "0xfe000000"
169
170config LOWMEM_SIZE_BOOL
171	bool "Set maximum low memory"
172	depends on ADVANCED_OPTIONS && MMU
173	help
174	  This option allows you to set the maximum amount of memory which
175	  will be used as "low memory", that is, memory which the kernel can
176	  access directly, without having to set up a kernel virtual mapping.
177	  This can be useful in optimizing the layout of kernel virtual
178	  memory.
179
180	  Say N here unless you know what you are doing.
181
182config LOWMEM_SIZE
183	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
184	default "0x30000000"
185
186config MANUAL_RESET_VECTOR
187	hex "Microblaze reset vector address setup"
188	default "0x0"
189	help
190	  Set this option to have the kernel override the CPU Reset vector.
191	  If zero, no change will be made to the MicroBlaze reset vector at
192	  address 0x0.
193	  If non-zero, a jump instruction to this address, will be written
194	  to the reset vector at address 0x0.
195	  If you are unsure, set it to default value 0x0.
196
197config KERNEL_START_BOOL
198	bool "Set custom kernel base address"
199	depends on ADVANCED_OPTIONS
200	help
201	  This option allows you to set the kernel virtual address at which
202	  the kernel will map low memory (the kernel image will be linked at
203	  this address).  This can be useful in optimizing the virtual memory
204	  layout of the system.
205
206	  Say N here unless you know what you are doing.
207
208config KERNEL_START
209	hex "Virtual address of kernel base" if KERNEL_START_BOOL
210	default "0xc0000000" if MMU
211	default KERNEL_BASE_ADDR if !MMU
212
213config TASK_SIZE_BOOL
214	bool "Set custom user task size"
215	depends on ADVANCED_OPTIONS && MMU
216	help
217	  This option allows you to set the amount of virtual address space
218	  allocated to user tasks.  This can be useful in optimizing the
219	  virtual memory layout of the system.
220
221	  Say N here unless you know what you are doing.
222
223config TASK_SIZE
224	hex "Size of user task space" if TASK_SIZE_BOOL
225	default "0x80000000"
226
227choice
228	prompt "Page size"
229	default MICROBLAZE_4K_PAGES
230	depends on ADVANCED_OPTIONS && !MMU
231	help
232	  Select the kernel logical page size. Increasing the page size
233	  will reduce software overhead at each page boundary, allow
234	  hardware prefetch mechanisms to be more effective, and allow
235	  larger dma transfers increasing IO efficiency and reducing
236	  overhead. However the utilization of memory will increase.
237	  For example, each cached file will using a multiple of the
238	  page size to hold its contents and the difference between the
239	  end of file and the end of page is wasted.
240
241	  If unsure, choose 4K_PAGES.
242
243config MICROBLAZE_4K_PAGES
244	bool "4k page size"
245
246config MICROBLAZE_8K_PAGES
247	bool "8k page size"
248
249config MICROBLAZE_16K_PAGES
250	bool "16k page size"
251
252config MICROBLAZE_32K_PAGES
253	bool "32k page size"
254
255endchoice
256
257endmenu
258
259source "mm/Kconfig"
260
261menu "Executable file formats"
262
263source "fs/Kconfig.binfmt"
264
265endmenu
266
267menu "Bus Options"
268
269config PCI
270	bool "PCI support"
271
272config PCI_DOMAINS
273	def_bool PCI
274
275config PCI_SYSCALL
276	def_bool PCI
277
278config PCI_XILINX
279	bool "Xilinx PCI host bridge support"
280	depends on PCI
281
282source "drivers/pci/Kconfig"
283
284endmenu
285
286source "net/Kconfig"
287
288source "drivers/Kconfig"
289
290source "fs/Kconfig"
291
292source "arch/microblaze/Kconfig.debug"
293
294source "security/Kconfig"
295
296source "crypto/Kconfig"
297
298source "lib/Kconfig"
299