2 # For a description of the syntax of this configuration file,
3 # see Documentation/kbuild/kconfig-language.txt.
6 mainmenu "Linux/M32R Kernel Configuration"
19 config GENERIC_ISA_DMA
23 config GENERIC_HARDIRQS
27 config GENERIC_IRQ_PROBE
34 menu "Processor type and features"
37 prompt "Platform Type"
43 The Mappi-I is an FPGA board for SOC (System-On-a-Chip) prototyping.
44 You can operate a Linux system on this board by using an M32R
45 softmacro core, which is a fully-synthesizable functional model
46 described in Verilog-HDL.
48 The Mappi-I board was the first platform, which had been used
49 to port and develop a Linux system for the M32R processor.
50 Currently, the Mappi-II, an heir to the Mappi-I, is available.
58 The M3T-M32700UT is an evaluation board based on uT-Engine
59 specification. This board has an M32700 (Chaos) evaluation chip.
60 You can say Y for SMP, because the M32700 is a single chip
66 The OPSPUT is an evaluation board based on uT-Engine
67 specification. This board has a OPSP-REP chip.
72 The OAKS32R is a tiny, inexpensive evaluation board.
73 Please note that if you say Y here and choose chip "M32102",
74 say N for MMU and select a no-MMU version kernel, otherwise
75 a kernel with MMU support will not work, because the M32102
76 is a microcontroller for embedded systems and it has no MMU.
79 bool "Mappi-II(M3A-ZA36/M3A-ZA52)"
82 bool "Mappi-III(M3A-2170)"
87 prompt "Processor family"
105 bool "Support for memory management hardware"
106 depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
111 depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
112 default 32 if CHIP_M32700 || CHIP_OPSP
113 default 16 if CHIP_VDEC2
118 depends on CHIP_M32102
123 depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
126 config ISA_DSP_LEVEL2
128 depends on CHIP_M32700 || CHIP_OPSP
131 config ISA_DUAL_ISSUE
133 depends on CHIP_M32700 || CHIP_OPSP
137 int "Bus Clock [Hz] (integer)"
138 default "70000000" if PLAT_MAPPI
139 default "25000000" if PLAT_USRV
140 default "50000000" if PLAT_MAPPI3
141 default "50000000" if PLAT_M32700UT
142 default "50000000" if PLAT_OPSPUT
143 default "33333333" if PLAT_OAKS32R
144 default "20000000" if PLAT_MAPPI2
147 int "Timer divider (integer)"
150 config CPU_LITTLE_ENDIAN
151 bool "Generate little endian code"
155 hex "Physical memory start address (hex)"
156 default "08000000" if PLAT_MAPPI || PLAT_MAPPI2 || PLAT_MAPPI3
157 default "08000000" if PLAT_USRV
158 default "08000000" if PLAT_M32700UT
159 default "08000000" if PLAT_OPSPUT
160 default "01000000" if PLAT_OAKS32R
163 hex "Physical memory size (hex)"
164 default "08000000" if PLAT_MAPPI3
165 default "04000000" if PLAT_MAPPI || PLAT_MAPPI2
166 default "02000000" if PLAT_USRV
167 default "01000000" if PLAT_M32700UT
168 default "01000000" if PLAT_OPSPUT
169 default "00800000" if PLAT_OAKS32R
175 config ARCH_DISCONTIGMEM_ENABLE
176 bool "Internal RAM Support"
177 depends on CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP
183 hex "Internal memory start address (hex)"
185 depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP) && DISCONTIGMEM
188 hex "Internal memory size (hex)"
189 depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP) && DISCONTIGMEM
190 default "00080000" if CHIP_M32700
191 default "00010000" if CHIP_M32102 || CHIP_OPSP
192 default "00008000" if CHIP_VDEC2
195 # Define implied options from the CPU selection here
198 config RWSEM_GENERIC_SPINLOCK
203 config RWSEM_XCHGADD_ALGORITHM
207 config GENERIC_CALIBRATE_DELAY
212 bool "Preemptible Kernel"
214 This option reduces the latency of the kernel when reacting to
215 real-time or interactive events by allowing a low priority process to
216 be preempted even if it is in kernel mode executing a system call.
217 This allows applications to run more reliably even when the system is
220 Say Y here if you are building a kernel for a desktop, embedded
221 or real-time system. Say N if you are unsure.
225 depends on (SMP || PREEMPT)
229 bool "Symmetric multi-processing support"
231 This enables support for systems with more than one CPU. If you have
232 a system with only one CPU, like most personal computers, say N. If
233 you have a system with more than one CPU, say Y.
235 If you say N here, the kernel will run on single and multiprocessor
236 machines, but will use only one CPU of a multiprocessor machine. If
237 you say Y here, the kernel will run on many, but not all,
238 singleprocessor machines. On a singleprocessor machine, the kernel
239 will run faster if you say N here.
241 People using multiprocessor machines who say Y here should also say
242 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
243 Management" code will be disabled if you say Y here.
245 See also the <file:Documentation/smp.txt>,
246 and the SMP-HOWTO available at
247 <http://www.linuxdoc.org/docs.html#howto>.
249 If you don't know what to do here, say N.
251 config CHIP_M32700_TS1
252 bool "Workaround code for the M32700 TS1 chip's bug"
253 depends on (CHIP_M32700 && SMP)
257 int "Maximum number of CPUs (2-32)"
262 This allows you to specify the maximum number of CPUs which this
263 kernel will support. The maximum supported value is 32 and the
264 minimum value which makes sense is 2.
266 This is purely to save memory - each supported CPU adds
267 approximately eight kilobytes to the kernel image.
269 # Common NUMA Features
271 bool "Numa Memory Allocation Support"
272 depends on SMP && BROKEN
275 # turning this on wastes a bunch of space.
276 # Summit needs it only when NUMA is on
285 menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
292 Find out whether you have a PCI motherboard. PCI is the name of a
293 bus system, i.e. the way the CPU talks to the other stuff inside
294 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
295 VESA. If you have PCI, say Y, otherwise N.
297 The PCI-HOWTO, available from
298 <http://www.linuxdoc.org/docs.html#howto>, contains valuable
299 information about which PCI hardware does work under Linux and which
303 prompt "PCI access mode"
310 On PCI systems, the BIOS can be used to detect the PCI devices and
311 determine their configuration. However, some old PCI motherboards
312 have BIOS bugs and may crash if this is done. Also, some embedded
313 PCI-based systems don't have any BIOS at all. Linux can also try to
314 detect the PCI hardware directly without using the BIOS.
316 With this option, you can specify how Linux should detect the PCI
317 devices. If you choose "BIOS", the BIOS will be used, if you choose
318 "Direct", the BIOS won't be used, and if you choose "Any", the
319 kernel will try the direct access method and falls back to the BIOS
320 if that doesn't work. If unsure, go with the default, which is
333 depends on PCI && (PCI_GOBIOS || PCI_GOANY)
338 depends on PCI && (PCI_GODIRECT || PCI_GOANY)
341 source "drivers/pci/Kconfig"
346 Find out whether you have ISA slots on your motherboard. ISA is the
347 name of a bus system, i.e. the way the CPU talks to the other stuff
348 inside your box. If you have ISA, say Y, otherwise N.
350 source "drivers/pcmcia/Kconfig"
352 source "drivers/pci/hotplug/Kconfig"
357 menu "Executable file formats"
359 source "fs/Kconfig.binfmt"
365 source "drivers/Kconfig"
369 source "arch/m32r/oprofile/Kconfig"
371 source "arch/m32r/Kconfig.debug"
373 source "security/Kconfig"
375 source "crypto/Kconfig"