arch/arm/plat-s3c/Kconfig

   1 # Copyright 2007 Simtec Electronics
   2 #
   3 # Licensed under GPLv2
   4
   5 config PLAT_S3C
   6         bool
   7         depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX
   8         default y
   9         select NO_IOPORT
  10         help
  11           Base platform code for any Samsung S3C device
  12
  13 # low-level serial option nodes
  14
  15 if PLAT_S3C
  16
  17 config CPU_LLSERIAL_S3C2410_ONLY
  18         bool
  19         default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
  20
  21 config CPU_LLSERIAL_S3C2440_ONLY
  22         bool
  23         default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
  24
  25 config CPU_LLSERIAL_S3C2410
  26         bool
  27         help
  28           Selected if there is an S3C2410 (or register compatible) serial
  29           low-level implementation needed
  30
  31 config CPU_LLSERIAL_S3C2440
  32         bool
  33         help
  34           Selected if there is an S3C2440 (or register compatible) serial
  35           low-level implementation needed
  36
  37 # boot configurations
  38
  39 comment "Boot options"
  40
  41 config S3C_BOOT_WATCHDOG
  42         bool "S3C Initialisation watchdog"
  43         depends on S3C2410_WATCHDOG
  44         help
  45           Say y to enable the watchdog during the kernel decompression
  46           stage. If the kernel fails to uncompress, then the watchdog
  47           will trigger a reset and the system should restart.
  48
  49 config S3C_BOOT_ERROR_RESET
  50         bool "S3C Reboot on decompression error"
  51         help
  52           Say y here to use the watchdog to reset the system if the
  53           kernel decompressor detects an error during decompression.
  54
  55 config S3C_BOOT_UART_FORCE_FIFO
  56        bool "Force UART FIFO on during boot process"
  57        default y
  58        help
  59          Say Y here to force the UART FIFOs on during the kernel
  60          uncompressor
  61
  62 comment "Power management"
  63
  64 config S3C2410_PM_DEBUG
  65         bool "S3C2410 PM Suspend debug"
  66         depends on PM
  67         help
  68           Say Y here if you want verbose debugging from the PM Suspend and
  69           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
  70           for more information.
  71
  72 config S3C_PM_DEBUG_LED_SMDK
  73        bool "SMDK LED suspend/resume debugging"
  74        depends on PM && (MACH_SMDK6410)
  75        help
  76          Say Y here to enable the use of the SMDK LEDs on the baseboard
  77          for debugging of the state of the suspend and resume process.
  78
  79          Note, this currently only works for S3C64XX based SMDK boards.
  80
  81 config S3C2410_PM_CHECK
  82         bool "S3C2410 PM Suspend Memory CRC"
  83         depends on PM && CRC32
  84         help
  85           Enable the PM code's memory area checksum over sleep. This option
  86           will generate CRCs of all blocks of memory, and store them before
  87           going to sleep. The blocks are then checked on resume for any
  88           errors.
  89
  90           Note, this can take several seconds depending on memory size
  91           and CPU speed.
  92
  93           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
  94
  95 config S3C2410_PM_CHECK_CHUNKSIZE
  96         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
  97         depends on PM && S3C2410_PM_CHECK
  98         default 64
  99         help
 100           Set the chunksize in Kilobytes of the CRC for checking memory
 101           corruption over suspend and resume. A smaller value will mean that
 102           the CRC data block will take more memory, but wil identify any
 103           faults with better precision.
 104
 105           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 106
 107 config S3C_LOWLEVEL_UART_PORT
 108         int "S3C UART to use for low-level messages"
 109         default 0
 110         help
 111           Choice of which UART port to use for the low-level messages,
 112           such as the `Uncompressing...` at start time. The value of
 113           this configuration should be between zero and two. The port
 114           must have been initialised by the boot-loader before use.
 115
 116 # options for gpiolib support
 117
 118 config S3C_GPIO_SPACE
 119         int "Space between gpio banks"
 120         default 0
 121         help
 122           Add a number of spare GPIO entries between each bank for debugging
 123           purposes. This allows any problems where an counter overflows from
 124           one bank to another to be caught, at the expense of using a little
 125           more memory.
 126
 127 config S3C_GPIO_TRACK
 128         bool
 129         help
 130           Internal configuration option to enable the s3c specific gpio
 131           chip tracking if the platform requires it.
 132
 133 config S3C_GPIO_PULL_UPDOWN
 134         bool
 135         help
 136           Internal configuration to enable the correct GPIO pull helper
 137
 138 config S3C_GPIO_PULL_DOWN
 139         bool
 140         help
 141           Internal configuration to enable the correct GPIO pull helper
 142
 143 config S3C_GPIO_PULL_UP
 144         bool
 145         help
 146           Internal configuration to enable the correct GPIO pull helper
 147
 148 config S3C_GPIO_CFG_S3C24XX
 149         bool
 150         help
 151           Internal configuration to enable S3C24XX style GPIO configuration
 152           functions.
 153
 154 config S3C_GPIO_CFG_S3C64XX
 155         bool
 156         help
 157           Internal configuration to enable S3C64XX style GPIO configuration
 158           functions.
 159
 160 config S5P_GPIO_CFG_S5PC1XX
 161         bool
 162         help
 163           Internal configuration to enable S5PC1XX style GPIO configuration
 164           functions.
 165
 166 # DMA
 167
 168 config S3C_DMA
 169         bool
 170         help
 171           Internal configuration for S3C DMA core
 172
 173 # device definitions to compile in
 174
 175 config S3C_DEV_HSMMC
 176         bool
 177         help
 178           Compile in platform device definitions for HSMMC code
 179
 180 config S3C_DEV_HSMMC1
 181         bool
 182         help
 183           Compile in platform device definitions for HSMMC channel 1
 184
 185 config S3C_DEV_HSMMC2
 186         bool
 187         help
 188           Compile in platform device definitions for HSMMC channel 2
 189
 190 config S3C_DEV_I2C1
 191         bool
 192         help
 193           Compile in platform device definitions for I2C channel 1
 194
 195 config S3C_DEV_FB
 196         bool
 197         help
 198           Compile in platform device definition for framebuffer
 199
 200 config S3C_DEV_USB_HOST
 201         bool
 202         help
 203           Compile in platform device definition for USB host.
 204
 205 config S3C_DEV_USB_HSOTG
 206         bool
 207         help
 208           Compile in platform device definition for USB high-speed OtG
 209
 210 config S3C_DEV_NAND
 211         bool
 212         help
 213           Compile in platform device definition for NAND controller
 214
 215 endif