Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

[linux-2.6] / arch / mips / Kconfig

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 50274fcacde082fdffca0a13a85aecfd04a35a8a..35e038a974c6227940cc4ebe7c5ead85d52e4a65 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -168,6 +168,9 @@ config MACH_DECSTATION
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+       select SYS_SUPPORTS_128HZ
+       select SYS_SUPPORTS_256HZ
+       select SYS_SUPPORTS_1024HZ
        help
          This enables support for DEC's MIPS based workstations.  For details
          see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
@@ -265,6 +268,7 @@ config MACH_JAZZ
        select SYS_HAS_CPU_R4X00
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+       select SYS_SUPPORTS_100HZ
        help
         This a family of machines based on the MIPS R4030 chipset which was
         used by several vendors to build RISC/os and Windows NT workstations.
@@ -1707,6 +1711,77 @@ config NR_CPUS
          This is purely to save memory - each supported CPU adds
          approximately eight kilobytes to the kernel image.
 
+#
+# Timer Interrupt Frequency Configuration
+#
+
+choice
+       prompt "Timer frequency"
+       default HZ_250
+       help
+        Allows the configuration of the timer frequency.
+
+       config HZ_48
+               bool "48 HZ" if SYS_SUPPORTS_48HZ
+
+       config HZ_100
+               bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_128
+               bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_250
+               bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_256
+               bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_1000
+               bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
+
+       config HZ_1024
+               bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
+
+endchoice
+
+config SYS_SUPPORTS_48HZ
+       bool
+
+config SYS_SUPPORTS_100HZ
+       bool
+
+config SYS_SUPPORTS_128HZ
+       bool
+
+config SYS_SUPPORTS_250HZ
+       bool
+
+config SYS_SUPPORTS_256HZ
+       bool
+
+config SYS_SUPPORTS_1000HZ
+       bool
+
+config SYS_SUPPORTS_1024HZ
+       bool
+
+config SYS_SUPPORTS_ARBIT_HZ
+       bool
+       default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
+                    !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
+                    !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
+                    !SYS_SUPPORTS_1024HZ
+
+config HZ
+       int
+       default 48 if HZ_48
+       default 100 if HZ_100
+       default 128 if HZ_128
+       default 250 if HZ_250
+       default 256 if HZ_256
+       default 1000 if HZ_1000
+       default 1024 if HZ_1024
+
 source "kernel/Kconfig.preempt"
 
 config RTC_DS1742