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)"
84 prompt "Processor family"
102 bool "Support for memory management hardware"
103 depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
108 depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
109 default 32 if CHIP_M32700 || CHIP_OPSP
110 default 16 if CHIP_VDEC2
115 depends on CHIP_M32102
120 depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
123 config ISA_DSP_LEVEL2
125 depends on CHIP_M32700 || CHIP_OPSP
128 config ISA_DUAL_ISSUE
130 depends on CHIP_M32700 || CHIP_OPSP
134 int "Bus Clock [Hz] (integer)"
135 default "70000000" if PLAT_MAPPI
136 default "25000000" if PLAT_USRV
137 default "50000000" if PLAT_M32700UT
138 default "50000000" if PLAT_OPSPUT
139 default "33333333" if PLAT_OAKS32R
140 default "20000000" if PLAT_MAPPI2
143 int "Timer divider (integer)"
146 config CPU_LITTLE_ENDIAN
147 bool "Generate little endian code"
151 hex "Physical memory start address (hex)"
152 default "08000000" if PLAT_MAPPI || PLAT_MAPPI2
153 default "08000000" if PLAT_USRV
154 default "08000000" if PLAT_M32700UT
155 default "08000000" if PLAT_OPSPUT
156 default "01000000" if PLAT_OAKS32R
159 hex "Physical memory size (hex)"
160 default "04000000" if PLAT_MAPPI || PLAT_MAPPI2
161 default "02000000" if PLAT_USRV
162 default "01000000" if PLAT_M32700UT
163 default "01000000" if PLAT_OPSPUT
164 default "00800000" if PLAT_OAKS32R
171 bool "Internal RAM Support"
172 depends on CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP
176 hex "Internal memory start address (hex)"
178 depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP) && DISCONTIGMEM
181 hex "Internal memory size (hex)"
182 depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP) && DISCONTIGMEM
183 default "00080000" if CHIP_M32700
184 default "00010000" if CHIP_M32102 || CHIP_OPSP
185 default "00008000" if CHIP_VDEC2
188 # Define implied options from the CPU selection here
191 config RWSEM_GENERIC_SPINLOCK
196 config RWSEM_XCHGADD_ALGORITHM
200 config GENERIC_CALIBRATE_DELAY
205 bool "Preemptible Kernel"
207 This option reduces the latency of the kernel when reacting to
208 real-time or interactive events by allowing a low priority process to
209 be preempted even if it is in kernel mode executing a system call.
210 This allows applications to run more reliably even when the system is
213 Say Y here if you are building a kernel for a desktop, embedded
214 or real-time system. Say N if you are unsure.
218 depends on (SMP || PREEMPT)
222 bool "Symmetric multi-processing support"
224 This enables support for systems with more than one CPU. If you have
225 a system with only one CPU, like most personal computers, say N. If
226 you have a system with more than one CPU, say Y.
228 If you say N here, the kernel will run on single and multiprocessor
229 machines, but will use only one CPU of a multiprocessor machine. If
230 you say Y here, the kernel will run on many, but not all,
231 singleprocessor machines. On a singleprocessor machine, the kernel
232 will run faster if you say N here.
234 People using multiprocessor machines who say Y here should also say
235 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
236 Management" code will be disabled if you say Y here.
238 See also the <file:Documentation/smp.tex>,
239 <file:Documentation/smp.txt> and the SMP-HOWTO available at
240 <http://www.linuxdoc.org/docs.html#howto>.
242 If you don't know what to do here, say N.
244 config CHIP_M32700_TS1
245 bool "Workaround code for the M32700 TS1 chip's bug"
246 depends on (CHIP_M32700 && SMP)
250 int "Maximum number of CPUs (2-32)"
255 This allows you to specify the maximum number of CPUs which this
256 kernel will support. The maximum supported value is 32 and the
257 minimum value which makes sense is 2.
259 This is purely to save memory - each supported CPU adds
260 approximately eight kilobytes to the kernel image.
262 # Common NUMA Features
264 bool "Numa Memory Allocation Support"
268 # turning this on wastes a bunch of space.
269 # Summit needs it only when NUMA is on
278 menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
284 Find out whether you have a PCI motherboard. PCI is the name of a
285 bus system, i.e. the way the CPU talks to the other stuff inside
286 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
287 VESA. If you have PCI, say Y, otherwise N.
289 The PCI-HOWTO, available from
290 <http://www.linuxdoc.org/docs.html#howto>, contains valuable
291 information about which PCI hardware does work under Linux and which
295 prompt "PCI access mode"
302 On PCI systems, the BIOS can be used to detect the PCI devices and
303 determine their configuration. However, some old PCI motherboards
304 have BIOS bugs and may crash if this is done. Also, some embedded
305 PCI-based systems don't have any BIOS at all. Linux can also try to
306 detect the PCI hardware directly without using the BIOS.
308 With this option, you can specify how Linux should detect the PCI
309 devices. If you choose "BIOS", the BIOS will be used, if you choose
310 "Direct", the BIOS won't be used, and if you choose "Any", the
311 kernel will try the direct access method and falls back to the BIOS
312 if that doesn't work. If unsure, go with the default, which is
325 depends on PCI && (PCI_GOBIOS || PCI_GOANY)
330 depends on PCI && (PCI_GODIRECT || PCI_GOANY)
333 source "drivers/pci/Kconfig"
338 Find out whether you have ISA slots on your motherboard. ISA is the
339 name of a bus system, i.e. the way the CPU talks to the other stuff
340 inside your box. If you have ISA, say Y, otherwise N.
342 source "drivers/pcmcia/Kconfig"
344 source "drivers/pci/hotplug/Kconfig"
349 menu "Executable file formats"
351 source "fs/Kconfig.binfmt"
355 source "drivers/Kconfig"
359 source "arch/m32r/oprofile/Kconfig"
361 source "arch/m32r/Kconfig.debug"
363 source "security/Kconfig"
365 source "crypto/Kconfig"