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