[ARM] 4262/1: OMAP: clocksource and clockevent support

[linux-2.6-omap-h63xx.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1523046e092bd6b24488354617293037ca47e0a6..3116bafc7533c75f18ab42ff173d9f36b558c900 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -21,14 +21,26 @@ config ARM
 config SYS_SUPPORTS_APM_EMULATION
        bool
 
+config GENERIC_GPIO
+       bool
+       default n
+
 config GENERIC_TIME
        bool
        default n
 
+config GENERIC_CLOCKEVENTS
+       bool
+       default n
+
 config MMU
        bool
        default y
 
+config NO_IOPORT
+       bool
+       default n
+
 config EISA
        bool
        ---help---
@@ -100,6 +112,10 @@ config GENERIC_BUST_SPINLOCK
 config ARCH_MAY_HAVE_PC_FDC
        bool
 
+config ZONE_DMA
+       bool
+       default y
+
 config GENERIC_ISA_DMA
        bool
 
@@ -150,11 +166,14 @@ config ARCH_VERSATILE
        select ARM_AMBA
        select ARM_VIC
        select ICST307
+       select GENERIC_TIME
+       select GENERIC_CLOCKEVENTS
        help
          This enables support for ARM Ltd Versatile board.
 
 config ARCH_AT91
        bool "Atmel AT91"
+       select GENERIC_GPIO
        help
          This enables support for systems based on the Atmel AT91RM9200
          and AT91SAM9xxx processors.
@@ -163,6 +182,7 @@ config ARCH_CLPS7500
        bool "Cirrus CL-PS7500FE"
        select TIMER_ACORN
        select ISA
+       select NO_IOPORT
        help
          Support for the Cirrus Logic PS7500FE system-on-a-chip.
 
@@ -181,6 +201,7 @@ config ARCH_CO285
 config ARCH_EBSA110
        bool "EBSA-110"
        select ISA
+       select NO_IOPORT
        help
          This is an evaluation board for the StrongARM processor available
          from Digital. It has limited hardware on-board, including an
@@ -237,6 +258,8 @@ config ARCH_IOP33X
 
 config ARCH_IOP13XX
        bool "IOP13xx-based"
+       depends on MMU
+       select PLAT_IOP
        select PCI
        help
          Support for Intel's IOP13XX (XScale) family of processors.
@@ -245,6 +268,7 @@ config ARCH_IXP4XX
        bool "IXP4xx-based"
        depends on MMU
        select GENERIC_TIME
+       select GENERIC_CLOCKEVENTS
        help
          Support for Intel's IXP4XX (XScale) family of processors.
 
@@ -275,6 +299,14 @@ config ARCH_L7200
          If you have any questions or comments about the Linux kernel port
          to this board, send e-mail to <sjhill@cotw.com>.
 
+config ARCH_NS9XXX
+       bool "NetSilicon NS9xxx"
+       help
+         Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
+         System.
+
+         <http://www.digi.com/products/microprocessors/index.jsp>
+
 config ARCH_PNX4008
        bool "Philips Nexperia PNX4008 Mobile"
        help
@@ -284,6 +316,8 @@ config ARCH_PXA
        bool "PXA2xx-based"
        depends on MMU
        select ARCH_MTD_XIP
+       select GENERIC_GPIO
+       select GENERIC_TIME
        help
          Support for Intel's PXA2XX processor line.
 
@@ -294,6 +328,7 @@ config ARCH_RPC
        select TIMER_ACORN
        select ARCH_MAY_HAVE_PC_FDC
        select ISA_DMA_API
+       select NO_IOPORT
        help
          On the Acorn Risc-PC, Linux can support the internal IDE disk and
          CD-ROM interface, serial and parallel port, and the floppy drive.
@@ -303,11 +338,13 @@ config ARCH_SA1100
        select ISA
        select ARCH_DISCONTIGMEM_ENABLE
        select ARCH_MTD_XIP
+       select GENERIC_GPIO
        help
          Support for StrongARM 11x0 based boards.
 
 config ARCH_S3C2410
-       bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442"
+       bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
+       select GENERIC_GPIO
        help
          Samsung S3C2410X CPU based systems, such as the Simtec Electronics
          BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
@@ -332,6 +369,8 @@ config ARCH_LH7A40X
 
 config ARCH_OMAP
        bool "TI OMAP"
+       select GENERIC_GPIO
+       select GENERIC_TIME
        help
          Support for TI's OMAP platform (OMAP1 and OMAP2).
 
@@ -367,7 +406,16 @@ source "arch/arm/mach-omap1/Kconfig"
 
 source "arch/arm/mach-omap2/Kconfig"
 
+source "arch/arm/plat-s3c24xx/Kconfig"
+
+if ARCH_S3C2410
+source "arch/arm/mach-s3c2400/Kconfig"
 source "arch/arm/mach-s3c2410/Kconfig"
+source "arch/arm/mach-s3c2412/Kconfig"
+source "arch/arm/mach-s3c2440/Kconfig"
+source "arch/arm/mach-s3c2442/Kconfig"
+source "arch/arm/mach-s3c2443/Kconfig"
+endif
 
 source "arch/arm/mach-lh7a40x/Kconfig"
 
@@ -381,10 +429,12 @@ source "arch/arm/mach-aaec2000/Kconfig"
 
 source "arch/arm/mach-realview/Kconfig"
 
-source "arch/arm/mach-at91rm9200/Kconfig"
+source "arch/arm/mach-at91/Kconfig"
 
 source "arch/arm/mach-netx/Kconfig"
 
+source "arch/arm/mach-ns9xxx/Kconfig"
+
 # Definitions to make life easier
 config ARCH_ACORN
        bool
@@ -396,7 +446,7 @@ source arch/arm/mm/Kconfig
 
 config IWMMXT
        bool "Enable iWMMXt support"
-       depends CPU_XSCALE || CPU_XSC3
+       depends on CPU_XSCALE || CPU_XSC3
        default y if PXA27x
        help
          Enable support for iWMMXt context switching at run time if
@@ -471,6 +521,8 @@ endmenu
 
 menu "Kernel Features"
 
+source "kernel/time/Kconfig"
+
 config SMP
        bool "Symmetric Multi-Processing (EXPERIMENTAL)"
        depends on EXPERIMENTAL && REALVIEW_MPCORE
@@ -530,6 +582,7 @@ config PREEMPT
 
 config NO_IDLE_HZ
        bool "Dynamic tick timer"
+       depends on !GENERIC_CLOCKEVENTS
        help
          Select this option if you want to disable continuous timer ticks
          and have them programmed to occur as required. This option saves
@@ -627,6 +680,7 @@ config LEDS_TIMER
        bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
                            MACH_OMAP_H2 || MACH_OMAP_PERSEUS2
        depends on LEDS
+       depends on !GENERIC_CLOCKEVENTS
        default y if ARCH_EBSA110
        help
          If you say Y here, one of the system LEDs (the green one on the
@@ -742,6 +796,20 @@ config XIP_PHYS_ADDR
          be linked for and stored to.  This address is dependent on your
          own flash usage.
 
+config KEXEC
+       bool "Kexec system call (EXPERIMENTAL)"
+       depends on EXPERIMENTAL
+       help
+         kexec is a system call that implements the ability to shutdown your
+         current kernel, and to start another kernel.  It is like a reboot
+         but it is indepedent of the system firmware.   And like a reboot
+         you can start any kernel with it, not just Linux.
+
+         It is an ongoing process to be certain the hardware in a machine
+         is properly shutdown, so do not be surprised if this code does not
+         initially work for you.  It may help to enable device hotplugging
+         support.
+
 endmenu
 
 if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX )