arch/arm/plat-s3c/Kconfig

   1 # arch/arm/plat-s3c/Kconfig
   2 #
   3 # Copyright 2007 Simtec Electronics
   4 #
   5 # Licensed under GPLv2
   6
   7 config PLAT_S3C
   8         bool
   9         depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX
  10         default y
  11         select NO_IOPORT
  12         help
  13           Base platform code for any Samsung S3C device
  14
  15 # low-level serial option nodes
  16
  17 if PLAT_S3C
  18
  19 config CPU_LLSERIAL_S3C2410_ONLY
  20         bool
  21         default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
  22
  23 config CPU_LLSERIAL_S3C2440_ONLY
  24         bool
  25         default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
  26
  27 config CPU_LLSERIAL_S3C2410
  28         bool
  29         help
  30           Selected if there is an S3C2410 (or register compatible) serial
  31           low-level implementation needed
  32
  33 config CPU_LLSERIAL_S3C2440
  34         bool
  35         help
  36           Selected if there is an S3C2440 (or register compatible) serial
  37           low-level implementation needed
  38
  39 # boot configurations
  40
  41 comment "Boot options"
  42
  43 config S3C_BOOT_WATCHDOG
  44         bool "S3C Initialisation watchdog"
  45         depends on S3C2410_WATCHDOG
  46         help
  47           Say y to enable the watchdog during the kernel decompression
  48           stage. If the kernel fails to uncompress, then the watchdog
  49           will trigger a reset and the system should restart.
  50
  51 config S3C_BOOT_ERROR_RESET
  52         bool "S3C Reboot on decompression error"
  53         help
  54           Say y here to use the watchdog to reset the system if the
  55           kernel decompressor detects an error during decompression.
  56
  57 config S3C_BOOT_UART_FORCE_FIFO
  58        bool "Force UART FIFO on during boot process"
  59        default y
  60        help
  61          Say Y here to force the UART FIFOs on during the kernel
  62          uncompressor
  63
  64 comment "Power management"
  65
  66 config S3C2410_PM_DEBUG
  67         bool "S3C2410 PM Suspend debug"
  68         depends on PM
  69         help
  70           Say Y here if you want verbose debugging from the PM Suspend and
  71           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
  72           for more information.
  73
  74 config S3C2410_PM_CHECK
  75         bool "S3C2410 PM Suspend Memory CRC"
  76         depends on PM && CRC32
  77         help
  78           Enable the PM code's memory area checksum over sleep. This option
  79           will generate CRCs of all blocks of memory, and store them before
  80           going to sleep. The blocks are then checked on resume for any
  81           errors.
  82
  83           Note, this can take several seconds depending on memory size
  84           and CPU speed.
  85
  86           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
  87
  88 config S3C2410_PM_CHECK_CHUNKSIZE
  89         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
  90         depends on PM && S3C2410_PM_CHECK
  91         default 64
  92         help
  93           Set the chunksize in Kilobytes of the CRC for checking memory
  94           corruption over suspend and resume. A smaller value will mean that
  95           the CRC data block will take more memory, but wil identify any
  96           faults with better precision.
  97
  98           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
  99
 100 config S3C_LOWLEVEL_UART_PORT
 101         int "S3C UART to use for low-level messages"
 102         default 0
 103         help
 104           Choice of which UART port to use for the low-level messages,
 105           such as the `Uncompressing...` at start time. The value of
 106           this configuration should be between zero and two. The port
 107           must have been initialised by the boot-loader before use.
 108
 109 # options for gpiolib support
 110
 111 config S3C_GPIO_SPACE
 112         int "Space between gpio banks"
 113         default 0
 114         help
 115           Add a number of spare GPIO entries between each bank for debugging
 116           purposes. This allows any problems where an counter overflows from
 117           one bank to another to be caught, at the expense of using a little
 118           more memory.
 119
 120 config S3C_GPIO_TRACK
 121         bool
 122         help
 123           Internal configuration option to enable the s3c specific gpio
 124           chip tracking if the platform requires it.
 125
 126 config S3C_GPIO_PULL_UPDOWN
 127         bool
 128         help
 129           Internal configuration to enable the correct GPIO pull helper
 130
 131 config S3C_GPIO_PULL_DOWN
 132         bool
 133         help
 134           Internal configuration to enable the correct GPIO pull helper
 135
 136 config S3C_GPIO_PULL_UP
 137         bool
 138         help
 139           Internal configuration to enable the correct GPIO pull helper
 140
 141 config S3C_GPIO_CFG_S3C24XX
 142         bool
 143         help
 144           Internal configuration to enable S3C24XX style GPIO configuration
 145           functions.
 146
 147 config S3C_GPIO_CFG_S3C64XX
 148         bool
 149         help
 150           Internal configuration to enable S3C64XX style GPIO configuration
 151           functions.
 152
 153 # device definitions to compile in
 154
 155 config S3C_DEV_HSMMC
 156         bool
 157         help
 158           Compile in platform device definitions for HSMMC code
 159
 160 config S3C_DEV_HSMMC1
 161         bool
 162         help
 163           Compile in platform device definitions for HSMMC channel 1
 164
 165 config S3C_DEV_I2C1
 166         bool
 167         help
 168           Compile in platform device definitions for I2C channel 1
 169
 170 config S3C_DEV_FB
 171         bool
 172         help
 173           Compile in platform device definition for framebuffer
 174
 175 config S3C_DEV_USB_HOST
 176         bool
 177         help
 178           Compile in platform device definition for USB host.
 179
 180 endif