1# arch/arm/plat-samsung/Kconfig 2# 3# Copyright 2009 Simtec Electronics 4# 5# Licensed under GPLv2 6 7config PLAT_SAMSUNG 8 bool 9 depends on PLAT_S3C24XX || ARCH_S3C64XX || PLAT_S5P 10 select NO_IOPORT 11 select GENERIC_IRQ_CHIP 12 default y 13 help 14 Base platform code for all Samsung SoC based systems 15 16if PLAT_SAMSUNG 17 18# boot configurations 19 20comment "Boot options" 21 22config S3C_BOOT_WATCHDOG 23 bool "S3C Initialisation watchdog" 24 depends on S3C2410_WATCHDOG 25 help 26 Say y to enable the watchdog during the kernel decompression 27 stage. If the kernel fails to uncompress, then the watchdog 28 will trigger a reset and the system should restart. 29 30config S3C_BOOT_ERROR_RESET 31 bool "S3C Reboot on decompression error" 32 help 33 Say y here to use the watchdog to reset the system if the 34 kernel decompressor detects an error during decompression. 35 36config S3C_BOOT_UART_FORCE_FIFO 37 bool "Force UART FIFO on during boot process" 38 default y 39 help 40 Say Y here to force the UART FIFOs on during the kernel 41 uncompressor 42 43 44config S3C_LOWLEVEL_UART_PORT 45 int "S3C UART to use for low-level messages" 46 default 0 47 help 48 Choice of which UART port to use for the low-level messages, 49 such as the `Uncompressing...` at start time. The value of 50 this configuration should be between zero and two. The port 51 must have been initialised by the boot-loader before use. 52 53# clock options 54 55config SAMSUNG_CLKSRC 56 bool 57 help 58 Select the clock code for the clksrc implementation 59 used by newer systems such as the S3C64XX. 60 61# options for IRQ support 62 63config SAMSUNG_IRQ_VIC_TIMER 64 bool 65 help 66 Internal configuration to build the VIC timer interrupt code. 67 68# options for gpio configuration support 69 70config SAMSUNG_GPIOLIB_4BIT 71 bool 72 help 73 GPIOlib file contains the 4 bit modification functions for gpio 74 configuration. GPIOlib shall be compiled only for S3C64XX and S5P 75 series of processors. 76 77config S3C_GPIO_CFG_S3C64XX 78 bool 79 help 80 Internal configuration to enable S3C64XX style GPIO configuration 81 functions. 82 83config S5P_GPIO_DRVSTR 84 bool 85 help 86 Internal configuration to get and set correct GPIO driver strength 87 helper 88 89config SAMSUNG_GPIO_EXTRA 90 int "Number of additional GPIO pins" 91 default 0 92 help 93 Use additional GPIO space in addition to the GPIO's the SOC 94 provides. This allows expanding the GPIO space for use with 95 GPIO expanders. 96 97config S3C_GPIO_SPACE 98 int "Space between gpio banks" 99 default 0 100 help 101 Add a number of spare GPIO entries between each bank for debugging 102 purposes. This allows any problems where an counter overflows from 103 one bank to another to be caught, at the expense of using a little 104 more memory. 105 106config S3C_GPIO_TRACK 107 bool 108 help 109 Internal configuration option to enable the s3c specific gpio 110 chip tracking if the platform requires it. 111 112# ADC driver 113 114config S3C_ADC 115 bool "ADC common driver support" 116 help 117 Core support for the ADC block found in the Samsung SoC systems 118 for drivers such as the touchscreen and hwmon to use to share 119 this resource. 120 121# device definitions to compile in 122 123config S3C_DEV_HSMMC 124 bool 125 help 126 Compile in platform device definitions for HSMMC code 127 128config S3C_DEV_HSMMC1 129 bool 130 help 131 Compile in platform device definitions for HSMMC channel 1 132 133config S3C_DEV_HSMMC2 134 bool 135 help 136 Compile in platform device definitions for HSMMC channel 2 137 138config S3C_DEV_HSMMC3 139 bool 140 help 141 Compile in platform device definitions for HSMMC channel 3 142 143config S3C_DEV_HWMON 144 bool 145 help 146 Compile in platform device definitions for HWMON 147 148config S3C_DEV_I2C1 149 bool 150 help 151 Compile in platform device definitions for I2C channel 1 152 153config S3C_DEV_I2C2 154 bool 155 help 156 Compile in platform device definitions for I2C channel 2 157 158config S3C_DEV_I2C3 159 bool 160 help 161 Compile in platform device definition for I2C controller 3 162 163config S3C_DEV_I2C4 164 bool 165 help 166 Compile in platform device definition for I2C controller 4 167 168config S3C_DEV_I2C5 169 bool 170 help 171 Compile in platform device definition for I2C controller 5 172 173config S3C_DEV_I2C6 174 bool 175 help 176 Compile in platform device definition for I2C controller 6 177 178config S3C_DEV_I2C7 179 bool 180 help 181 Compile in platform device definition for I2C controller 7 182 183config S3C_DEV_FB 184 bool 185 help 186 Compile in platform device definition for framebuffer 187 188config S3C_DEV_USB_HOST 189 bool 190 help 191 Compile in platform device definition for USB host. 192 193config S3C_DEV_USB_HSOTG 194 bool 195 help 196 Compile in platform device definition for USB high-speed OtG 197 198config S3C_DEV_WDT 199 bool 200 default y if ARCH_S3C2410 201 help 202 Complie in platform device definition for Watchdog Timer 203 204config S3C_DEV_NAND 205 bool 206 help 207 Compile in platform device definition for NAND controller 208 209config S3C_DEV_ONENAND 210 bool 211 help 212 Compile in platform device definition for OneNAND controller 213 214config S3C_DEV_RTC 215 bool 216 help 217 Complie in platform device definition for RTC 218 219config SAMSUNG_DEV_ADC 220 bool 221 help 222 Compile in platform device definition for ADC controller 223 224config SAMSUNG_DEV_IDE 225 bool 226 help 227 Compile in platform device definitions for IDE 228 229config S3C64XX_DEV_SPI 230 bool 231 help 232 Compile in platform device definitions for S3C64XX's type 233 SPI controllers. 234 235config SAMSUNG_DEV_TS 236 bool 237 help 238 Common in platform device definitions for touchscreen device 239 240config SAMSUNG_DEV_KEYPAD 241 bool 242 help 243 Compile in platform device definitions for keypad 244 245config SAMSUNG_DEV_PWM 246 bool 247 default y if ARCH_S3C2410 248 help 249 Compile in platform device definition for PWM Timer 250 251config SAMSUNG_DEV_BACKLIGHT 252 bool 253 depends on SAMSUNG_DEV_PWM 254 help 255 Compile in platform device definition LCD backlight with PWM Timer 256 257config S3C24XX_PWM 258 bool "PWM device support" 259 select HAVE_PWM 260 help 261 Support for exporting the PWM timer blocks via the pwm device 262 system 263 264# DMA 265 266config S3C_DMA 267 bool 268 help 269 Internal configuration for S3C DMA core 270 271config SAMSUNG_DMADEV 272 bool 273 select DMADEVICES 274 select PL330_DMA if (CPU_EXYNOS4210 || CPU_S5PV210 || CPU_S5PC100 || \ 275 CPU_S5P6450 || CPU_S5P6440) 276 select ARM_AMBA 277 help 278 Use DMA device engine for PL330 DMAC. 279 280comment "Power management" 281 282config SAMSUNG_PM_DEBUG 283 bool "S3C2410 PM Suspend debug" 284 depends on PM 285 help 286 Say Y here if you want verbose debugging from the PM Suspend and 287 Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> 288 for more information. 289 290config S3C_PM_DEBUG_LED_SMDK 291 bool "SMDK LED suspend/resume debugging" 292 depends on PM && (MACH_SMDK6410) 293 help 294 Say Y here to enable the use of the SMDK LEDs on the baseboard 295 for debugging of the state of the suspend and resume process. 296 297 Note, this currently only works for S3C64XX based SMDK boards. 298 299config SAMSUNG_PM_CHECK 300 bool "S3C2410 PM Suspend Memory CRC" 301 depends on PM && CRC32 302 help 303 Enable the PM code's memory area checksum over sleep. This option 304 will generate CRCs of all blocks of memory, and store them before 305 going to sleep. The blocks are then checked on resume for any 306 errors. 307 308 Note, this can take several seconds depending on memory size 309 and CPU speed. 310 311 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> 312 313config SAMSUNG_PM_CHECK_CHUNKSIZE 314 int "S3C2410 PM Suspend CRC Chunksize (KiB)" 315 depends on PM && SAMSUNG_PM_CHECK 316 default 64 317 help 318 Set the chunksize in Kilobytes of the CRC for checking memory 319 corruption over suspend and resume. A smaller value will mean that 320 the CRC data block will take more memory, but wil identify any 321 faults with better precision. 322 323 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> 324 325config SAMSUNG_WAKEMASK 326 bool 327 depends on PM 328 help 329 Compile support for wakeup-mask controls found on the S3C6400 330 and above. This code allows a set of interrupt to wakeup-mask 331 mappings. See <plat/wakeup-mask.h> 332 333comment "Power Domain" 334 335config SAMSUNG_PD 336 bool "Samsung Power Domain" 337 depends on PM_RUNTIME 338 help 339 Say Y here if you want to control Power Domain by Runtime PM. 340 341config DEBUG_S3C_UART 342 depends on PLAT_SAMSUNG 343 int 344 default "0" if DEBUG_S3C_UART0 345 default "1" if DEBUG_S3C_UART1 346 default "2" if DEBUG_S3C_UART2 347 348endif 349