Convert h8/300 to generic timekeeping
[deliverable/linux.git] / arch / h8300 / Kconfig
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1#
2# For a description of the syntax of this configuration file,
3# see Documentation/kbuild/config-language.txt.
4#
5
6mainmenu "uClinux/h8300 (w/o MMU) Kernel Configuration"
7
8config H8300
9 bool
10 default y
11
12config MMU
13 bool
14 default n
15
16config SWAP
17 bool
18 default n
19
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20config ZONE_DMA
21 bool
22 default y
23
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24config FPU
25 bool
26 default n
27
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28config RWSEM_GENERIC_SPINLOCK
29 bool
30 default y
31
32config RWSEM_XCHGADD_ALGORITHM
33 bool
34 default n
35
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36config ARCH_HAS_ILOG2_U32
37 bool
38 default n
39
40config ARCH_HAS_ILOG2_U64
41 bool
42 default n
43
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44config GENERIC_FIND_NEXT_BIT
45 bool
46 default y
47
48config GENERIC_HWEIGHT
49 bool
50 default y
51
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52config GENERIC_CALIBRATE_DELAY
53 bool
54 default y
55
aeecf314 56config GENERIC_TIME
57 bool
58 default y
59
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60config TIME_LOW_RES
61 bool
62 default y
63
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64config NO_IOPORT
65 def_bool y
66
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67config ISA
68 bool
69 default y
70
71config PCI
72 bool
73 default n
74
75source "init/Kconfig"
76
77source "arch/h8300/Kconfig.cpu"
78
79menu "Executable file formats"
80
81source "fs/Kconfig.binfmt"
82
83endmenu
84
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85source "net/Kconfig"
86
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87source "drivers/base/Kconfig"
88
89source "drivers/mtd/Kconfig"
90
91source "drivers/block/Kconfig"
92
93source "drivers/ide/Kconfig"
94
95source "arch/h8300/Kconfig.ide"
96
d5950b43 97source "drivers/net/Kconfig"
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98
99#
100# input - input/joystick depends on it. As does USB.
101#
102source "drivers/input/Kconfig"
103
104menu "Character devices"
105
106config VT
107 bool "Virtual terminal"
108 ---help---
109 If you say Y here, you will get support for terminal devices with
110 display and keyboard devices. These are called "virtual" because you
111 can run several virtual terminals (also called virtual consoles) on
112 one physical terminal. This is rather useful, for example one
113 virtual terminal can collect system messages and warnings, another
114 one can be used for a text-mode user session, and a third could run
115 an X session, all in parallel. Switching between virtual terminals
116 is done with certain key combinations, usually Alt-<function key>.
117
118 The setterm command ("man setterm") can be used to change the
119 properties (such as colors or beeping) of a virtual terminal. The
120 man page console_codes(4) ("man console_codes") contains the special
121 character sequences that can be used to change those properties
122 directly. The fonts used on virtual terminals can be changed with
123 the setfont ("man setfont") command and the key bindings are defined
124 with the loadkeys ("man loadkeys") command.
125
126 You need at least one virtual terminal device in order to make use
127 of your keyboard and monitor. Therefore, only people configuring an
128 embedded system would want to say N here in order to save some
129 memory; the only way to log into such a system is then via a serial
130 or network connection.
131
132 If unsure, say Y, or else you won't be able to do much with your new
133 shiny Linux system :-)
134
135config VT_CONSOLE
136 bool "Support for console on virtual terminal"
137 depends on VT
138 ---help---
139 The system console is the device which receives all kernel messages
140 and warnings and which allows logins in single user mode. If you
141 answer Y here, a virtual terminal (the device used to interact with
142 a physical terminal) can be used as system console. This is the most
143 common mode of operations, so you should say Y here unless you want
144 the kernel messages be output only to a serial port (in which case
145 you should say Y to "Console on serial port", below).
146
147 If you do say Y here, by default the currently visible virtual
148 terminal (/dev/tty0) will be used as system console. You can change
149 that with a kernel command line option such as "console=tty3" which
150 would use the third virtual terminal as system console. (Try "man
151 bootparam" or see the documentation of your boot loader (lilo or
152 loadlin) about how to pass options to the kernel at boot time.)
153
154 If unsure, say Y.
155
156config HW_CONSOLE
157 bool
158 depends on VT && !S390 && !UM
159 default y
160
161comment "Unix98 PTY support"
162
163config UNIX98_PTYS
164 bool "Unix98 PTY support"
165 ---help---
166 A pseudo terminal (PTY) is a software device consisting of two
167 halves: a master and a slave. The slave device behaves identical to
168 a physical terminal; the master device is used by a process to
169 read data from and write data to the slave, thereby emulating a
170 terminal. Typical programs for the master side are telnet servers
171 and xterms.
172
173 Linux has traditionally used the BSD-like names /dev/ptyxx for
174 masters and /dev/ttyxx for slaves of pseudo terminals. This scheme
175 has a number of problems. The GNU C library glibc 2.1 and later,
176 however, supports the Unix98 naming standard: in order to acquire a
177 pseudo terminal, a process opens /dev/ptmx; the number of the pseudo
178 terminal is then made available to the process and the pseudo
179 terminal slave can be accessed as /dev/pts/<number>. What was
180 traditionally /dev/ttyp2 will then be /dev/pts/2, for example.
181
182 The entries in /dev/pts/ are created on the fly by a virtual
183 file system; therefore, if you say Y here you should say Y to
184 "/dev/pts file system for Unix98 PTYs" as well.
185
186 If you want to say Y here, you need to have the C library glibc 2.1
187 or later (equal to libc-6.1, check with "ls -l /lib/libc.so.*").
188 Read the instructions in <file:Documentation/Changes> pertaining to
189 pseudo terminals. It's safe to say N.
190
191config UNIX98_PTY_COUNT
192 int "Maximum number of Unix98 PTYs in use (0-2048)"
193 depends on UNIX98_PTYS
194 default "256"
195 help
196 The maximum number of Unix98 PTYs that can be used at any one time.
197 The default is 256, and should be enough for desktop systems. Server
198 machines which support incoming telnet/rlogin/ssh connections and/or
199 serve several X terminals may want to increase this: every incoming
200 connection and every xterm uses up one PTY.
201
202 When not in use, each additional set of 256 PTYs occupy
203 approximately 8 KB of kernel memory on 32-bit architectures.
204
205source "drivers/char/pcmcia/Kconfig"
206
207source "drivers/serial/Kconfig"
208
209source "drivers/i2c/Kconfig"
210
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211source "drivers/hwmon/Kconfig"
212
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213source "drivers/usb/Kconfig"
214
215endmenu
216
217source "fs/Kconfig"
218
219source "arch/h8300/Kconfig.debug"
220
221source "security/Kconfig"
222
223source "crypto/Kconfig"
224
225source "lib/Kconfig"
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