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 S3C_PM_DEBUG_LED_SMDK
  75        bool "SMDK LED suspend/resume debugging"
  76        depends on PM && (MACH_SMDK6410)
  77        help
  78          Say Y here to enable the use of the SMDK LEDs on the baseboard
  79          for debugging of the state of the suspend and resume process.
  80
  81          Note, this currently only works for S3C64XX based SMDK boards.
  82
  83 config S3C2410_PM_CHECK
  84         bool "S3C2410 PM Suspend Memory CRC"
  85         depends on PM && CRC32
  86         help
  87           Enable the PM code's memory area checksum over sleep. This option
  88           will generate CRCs of all blocks of memory, and store them before
  89           going to sleep. The blocks are then checked on resume for any
  90           errors.
  91
  92           Note, this can take several seconds depending on memory size
  93           and CPU speed.
  94
  95           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
  96
  97 config S3C2410_PM_CHECK_CHUNKSIZE
  98         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
  99         depends on PM && S3C2410_PM_CHECK
 100         default 64
 101         help
 102           Set the chunksize in Kilobytes of the CRC for checking memory
 103           corruption over suspend and resume. A smaller value will mean that
 104           the CRC data block will take more memory, but wil identify any
 105           faults with better precision.
 106
 107           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 108
 109 config S3C_LOWLEVEL_UART_PORT
 110         int "S3C UART to use for low-level messages"
 111         default 0
 112         help
 113           Choice of which UART port to use for the low-level messages,
 114           such as the `Uncompressing...` at start time. The value of
 115           this configuration should be between zero and two. The port
 116           must have been initialised by the boot-loader before use.
 117
 118 # options for gpiolib support
 119
 120 config S3C_GPIO_SPACE
 121         int "Space between gpio banks"
 122         default 0
 123         help
 124           Add a number of spare GPIO entries between each bank for debugging
 125           purposes. This allows any problems where an counter overflows from
 126           one bank to another to be caught, at the expense of using a little
 127           more memory.
 128
 129 config S3C_GPIO_TRACK
 130         bool
 131         help
 132           Internal configuration option to enable the s3c specific gpio
 133           chip tracking if the platform requires it.
 134
 135 config S3C_GPIO_PULL_UPDOWN
 136         bool
 137         help
 138           Internal configuration to enable the correct GPIO pull helper
 139
 140 config S3C_GPIO_PULL_DOWN
 141         bool
 142         help
 143           Internal configuration to enable the correct GPIO pull helper
 144
 145 config S3C_GPIO_PULL_UP
 146         bool
 147         help
 148           Internal configuration to enable the correct GPIO pull helper
 149
 150 config S3C_GPIO_CFG_S3C24XX
 151         bool
 152         help
 153           Internal configuration to enable S3C24XX style GPIO configuration
 154           functions.
 155
 156 config S3C_GPIO_CFG_S3C64XX
 157         bool
 158         help
 159           Internal configuration to enable S3C64XX style GPIO configuration
 160           functions.
 161
 162 config S5P_GPIO_CFG_S5PC1XX
 163         bool
 164         help
 165           Internal configuration to enable S5PC1XX style GPIO configuration
 166           functions.
 167
 168 # DMA
 169
 170 config S3C_DMA
 171         bool
 172         help
 173           Internal configuration for S3C DMA core
 174
 175 # device definitions to compile in
 176
 177 config S3C_DEV_HSMMC
 178         bool
 179         help
 180           Compile in platform device definitions for HSMMC code
 181
 182 config S3C_DEV_HSMMC1
 183         bool
 184         help
 185           Compile in platform device definitions for HSMMC channel 1
 186
 187 config S3C_DEV_HSMMC2
 188         bool
 189         help
 190           Compile in platform device definitions for HSMMC channel 2
 191
 192 config S3C_DEV_I2C1
 193         bool
 194         help
 195           Compile in platform device definitions for I2C channel 1
 196
 197 config S3C_DEV_FB
 198         bool
 199         help
 200           Compile in platform device definition for framebuffer
 201
 202 config S3C_DEV_USB_HOST
 203         bool
 204         help
 205           Compile in platform device definition for USB host.
 206
 207 config S3C_DEV_USB_HSOTG
 208         bool
 209         help
 210           Compile in platform device definition for USB high-speed OtG
 211
 212 config S3C_DEV_NAND
 213         bool
 214         help
 215           Compile in platform device definition for NAND controller
 216
 217 endif