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# arch/arm/plat-s3c/Kconfig
#
# Copyright 2007 Simtec Electronics
#
# Licensed under GPLv2
config PLAT_S3C
bool
depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX
default y
select NO_IOPORT
help
Base platform code for any Samsung S3C device
# low-level serial option nodes
config CPU_LLSERIAL_S3C2410_ONLY
bool
depends on PLAT_S3C
default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
config CPU_LLSERIAL_S3C2440_ONLY
bool
depends on PLAT_S3C
default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
config CPU_LLSERIAL_S3C2410
bool
depends on PLAT_S3C
help
Selected if there is an S3C2410 (or register compatible) serial
low-level implementation needed
config CPU_LLSERIAL_S3C2440
bool
depends on PLAT_S3C
help
Selected if there is an S3C2440 (or register compatible) serial
low-level implementation needed
# boot configurations
comment "Boot options"
config S3C_BOOT_WATCHDOG
bool "S3C Initialisation watchdog"
depends on PLAT_S3C && S3C2410_WATCHDOG
help
Say y to enable the watchdog during the kernel decompression
stage. If the kernel fails to uncompress, then the watchdog
will trigger a reset and the system should restart.
config S3C_BOOT_ERROR_RESET
bool "S3C Reboot on decompression error"
depends on PLAT_S3C
help
Say y here to use the watchdog to reset the system if the
kernel decompressor detects an error during decompression.
config S3C_BOOT_UART_FORCE_FIFO
bool "Force UART FIFO on during boot process"
depends on PLAT_S3C
default y
help
Say Y here to force the UART FIFOs on during the kernel
uncompressor
comment "Power management"
config S3C2410_PM_DEBUG
bool "S3C2410 PM Suspend debug"
depends on PLAT_S3C && PM
help
Say Y here if you want verbose debugging from the PM Suspend and
Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
for more information.
config S3C_PM_DEBUG_LED_SMDK
bool "SMDK LED suspend/resume debugging"
depends on PM && (MACH_SMDK6410)
help
Say Y here to enable the use of the SMDK LEDs on the baseboard
for debugging of the state of the suspend and resume process.
Note, this currently only works for S3C64XX based SMDK boards.
config S3C2410_PM_CHECK
bool "S3C2410 PM Suspend Memory CRC"
depends on PLAT_S3C && PM && CRC32
help
Enable the PM code's memory area checksum over sleep. This option
will generate CRCs of all blocks of memory, and store them before
going to sleep. The blocks are then checked on resume for any
errors.
Note, this can take several seconds depending on memory size
and CPU speed.
See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
config S3C2410_PM_CHECK_CHUNKSIZE
int "S3C2410 PM Suspend CRC Chunksize (KiB)"
depends on PLAT_S3C && PM && S3C2410_PM_CHECK
default 64
help
Set the chunksize in Kilobytes of the CRC for checking memory
corruption over suspend and resume. A smaller value will mean that
the CRC data block will take more memory, but wil identify any
faults with better precision.
See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
config S3C_LOWLEVEL_UART_PORT
int "S3C UART to use for low-level messages"
depends on PLAT_S3C
default 0
help
Choice of which UART port to use for the low-level messages,
such as the `Uncompressing...` at start time. The value of
this configuration should be between zero and two. The port
must have been initialised by the boot-loader before use.
# options for gpiolib support
config S3C_GPIO_SPACE
int "Space between gpio banks"
default 0
help
Add a number of spare GPIO entries between each bank for debugging
purposes. This allows any problems where an counter overflows from
one bank to another to be caught, at the expense of using a little
more memory.
config S3C_GPIO_TRACK
bool
help
Internal configuration option to enable the s3c specific gpio
chip tracking if the platform requires it.
config S3C_GPIO_PULL_UPDOWN
bool
help
Internal configuration to enable the correct GPIO pull helper
config S3C_GPIO_PULL_DOWN
bool
help
Internal configuration to enable the correct GPIO pull helper
config S3C_GPIO_PULL_UP
bool
help
Internal configuration to enable the correct GPIO pull helper
config S3C_GPIO_CFG_S3C24XX
bool
help
Internal configuration to enable S3C24XX style GPIO configuration
functions.
config S3C_GPIO_CFG_S3C64XX
bool
help
Internal configuration to enable S3C64XX style GPIO configuration
functions.
# device definitions to compile in
config S3C_DEV_HSMMC
bool
depends on PLAT_S3C
help
Compile in platform device definitions for HSMMC code
config S3C_DEV_HSMMC1
bool
depends on PLAT_S3C
help
Compile in platform device definitions for HSMMC channel 1
config S3C_DEV_I2C1
bool
depends on PLAT_S3C
help
Compile in platform device definitions for I2C channel 1
config S3C_DEV_FB
bool
depends on PLAT_S3C
help
Compile in platform device definition for framebuffer
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