| # arch/arm/plat-samsung/Kconfig |
| # |
| # Copyright 2009 Simtec Electronics |
| # |
| # Licensed under GPLv2 |
| |
| config PLAT_SAMSUNG |
| bool |
| depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX || ARCH_S5PC1XX |
| select NO_IOPORT |
| default y |
| help |
| Base platform code for all Samsung SoC based systems |
| |
| if PLAT_SAMSUNG |
| |
| # boot configurations |
| |
| comment "Boot options" |
| |
| config S3C_BOOT_WATCHDOG |
| bool "S3C Initialisation watchdog" |
| depends on S3C2410_WATCHDOG |
| help |
| Say y to enable the watchdog during the kernel decompression |
| stage. If the kernel fails to uncompress, then the watchdog |
| will trigger a reset and the system should restart. |
| |
| config S3C_BOOT_ERROR_RESET |
| bool "S3C Reboot on decompression error" |
| help |
| Say y here to use the watchdog to reset the system if the |
| kernel decompressor detects an error during decompression. |
| |
| config S3C_BOOT_UART_FORCE_FIFO |
| bool "Force UART FIFO on during boot process" |
| default y |
| help |
| Say Y here to force the UART FIFOs on during the kernel |
| uncompressor |
| |
| |
| config S3C_LOWLEVEL_UART_PORT |
| int "S3C UART to use for low-level messages" |
| default 0 |
| help |
| Choice of which UART port to use for the low-level messages, |
| such as the `Uncompressing...` at start time. The value of |
| this configuration should be between zero and two. The port |
| must have been initialised by the boot-loader before use. |
| |
| # clock options |
| |
| config SAMSUNG_CLKSRC |
| bool |
| help |
| Select the clock code for the clksrc implementation |
| used by newer systems such as the S3C64XX. |
| |
| # options for IRQ support |
| |
| config SAMSUNG_IRQ_VIC_TIMER |
| bool |
| help |
| Internal configuration to build the VIC timer interrupt code. |
| |
| config SAMSUNG_IRQ_UART |
| bool |
| help |
| Internal configuration to build the IRQ UART demux code. |
| |
| # options for gpio configuration support |
| |
| config SAMSUNG_GPIOLIB_4BIT |
| bool |
| help |
| GPIOlib file contains the 4 bit modification functions for gpio |
| configuration. GPIOlib shall be compiled only for S3C64XX and S5P |
| series of processors. |
| |
| config S3C_GPIO_CFG_S3C24XX |
| bool |
| help |
| Internal configuration to enable S3C24XX style GPIO configuration |
| functions. |
| |
| config S3C_GPIO_CFG_S3C64XX |
| bool |
| help |
| Internal configuration to enable S3C64XX style GPIO configuration |
| functions. |
| |
| config S5P_GPIO_CFG_S5PC1XX |
| bool |
| help |
| Internal configuration to enable S5PC1XX style GPIO configuration |
| functions. |
| |
| config S3C_GPIO_PULL_UPDOWN |
| bool |
| help |
| Internal configuration to enable the correct GPIO pull helper |
| |
| config S3C_GPIO_PULL_DOWN |
| bool |
| help |
| Internal configuration to enable the correct GPIO pull helper |
| |
| config S3C_GPIO_PULL_UP |
| bool |
| help |
| Internal configuration to enable the correct GPIO pull helper |
| |
| config SAMSUNG_GPIO_EXTRA |
| int "Number of additional GPIO pins" |
| default 0 |
| help |
| Use additional GPIO space in addition to the GPIO's the SOC |
| provides. This allows expanding the GPIO space for use with |
| GPIO expanders. |
| |
| config S3C_GPIO_SPACE |
| int "Space between gpio banks" |
| default 0 |
| help |
| Add a number of spare GPIO entries between each bank for debugging |
| purposes. This allows any problems where an counter overflows from |
| one bank to another to be caught, at the expense of using a little |
| more memory. |
| |
| config S3C_GPIO_TRACK |
| bool |
| help |
| Internal configuration option to enable the s3c specific gpio |
| chip tracking if the platform requires it. |
| |
| # ADC driver |
| |
| config S3C_ADC |
| bool "ADC common driver support" |
| help |
| Core support for the ADC block found in the Samsung SoC systems |
| for drivers such as the touchscreen and hwmon to use to share |
| this resource. |
| |
| # device definitions to compile in |
| |
| config S3C_DEV_HSMMC |
| bool |
| help |
| Compile in platform device definitions for HSMMC code |
| |
| config S3C_DEV_HSMMC1 |
| bool |
| help |
| Compile in platform device definitions for HSMMC channel 1 |
| |
| config S3C_DEV_HSMMC2 |
| bool |
| help |
| Compile in platform device definitions for HSMMC channel 2 |
| |
| config S3C_DEV_HWMON |
| bool |
| help |
| Compile in platform device definitions for HWMON |
| |
| config S3C_DEV_I2C1 |
| bool |
| help |
| Compile in platform device definitions for I2C channel 1 |
| |
| config S3C_DEV_FB |
| bool |
| help |
| Compile in platform device definition for framebuffer |
| |
| config S3C_DEV_USB_HOST |
| bool |
| help |
| Compile in platform device definition for USB host. |
| |
| config S3C_DEV_USB_HSOTG |
| bool |
| help |
| Compile in platform device definition for USB high-speed OtG |
| |
| config S3C_DEV_NAND |
| bool |
| help |
| Compile in platform device definition for NAND controller |
| |
| config S3C_DEV_RTC |
| bool |
| help |
| Complie in platform device definition for RTC |
| |
| config SAMSUNG_DEV_ADC |
| bool |
| help |
| Compile in platform device definition for ADC controller |
| |
| config S3C64XX_DEV_SPI |
| bool |
| help |
| Compile in platform device definitions for S3C64XX's type |
| SPI controllers. |
| |
| # DMA |
| |
| config S3C_DMA |
| bool |
| help |
| Internal configuration for S3C DMA core |
| |
| config S3C_PL330_DMA |
| bool |
| select PL330 |
| help |
| S3C DMA API Driver for PL330 DMAC. |
| |
| comment "Power management" |
| |
| config SAMSUNG_PM_DEBUG |
| bool "S3C2410 PM Suspend debug" |
| depends on PM |
| help |
| Say Y here if you want verbose debugging from the PM Suspend and |
| Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| for more information. |
| |
| config S3C_PM_DEBUG_LED_SMDK |
| bool "SMDK LED suspend/resume debugging" |
| depends on PM && (MACH_SMDK6410) |
| help |
| Say Y here to enable the use of the SMDK LEDs on the baseboard |
| for debugging of the state of the suspend and resume process. |
| |
| Note, this currently only works for S3C64XX based SMDK boards. |
| |
| config SAMSUNG_PM_CHECK |
| bool "S3C2410 PM Suspend Memory CRC" |
| depends on PM && CRC32 |
| help |
| Enable the PM code's memory area checksum over sleep. This option |
| will generate CRCs of all blocks of memory, and store them before |
| going to sleep. The blocks are then checked on resume for any |
| errors. |
| |
| Note, this can take several seconds depending on memory size |
| and CPU speed. |
| |
| See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| |
| config SAMSUNG_PM_CHECK_CHUNKSIZE |
| int "S3C2410 PM Suspend CRC Chunksize (KiB)" |
| depends on PM && SAMSUNG_PM_CHECK |
| default 64 |
| help |
| Set the chunksize in Kilobytes of the CRC for checking memory |
| corruption over suspend and resume. A smaller value will mean that |
| the CRC data block will take more memory, but wil identify any |
| faults with better precision. |
| |
| See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| |
| endif |
