183014579SKukjin Kim# arch/arm/mach-exynos/Kconfig 283014579SKukjin Kim# 383014579SKukjin Kim# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. 483014579SKukjin Kim# http://www.samsung.com/ 583014579SKukjin Kim# 683014579SKukjin Kim# Licensed under GPLv2 783014579SKukjin Kim 883014579SKukjin Kim# Configuration options for the EXYNOS4 983014579SKukjin Kim 1083014579SKukjin Kimif ARCH_EXYNOS 1183014579SKukjin Kim 1283014579SKukjin Kimmenu "SAMSUNG EXYNOS SoCs Support" 1383014579SKukjin Kim 1483014579SKukjin Kimconfig ARCH_EXYNOS4 1583014579SKukjin Kim bool "SAMSUNG EXYNOS4" 1623f16c7bSKukjin Kim default y 173b55658aSDave Martin select HAVE_SMP 18ce5ea9f3SDave Martin select MIGHT_HAVE_CACHE_L2X0 1983014579SKukjin Kim help 2083014579SKukjin Kim Samsung EXYNOS4 SoCs based systems 2183014579SKukjin Kim 2223f16c7bSKukjin Kimconfig ARCH_EXYNOS5 2323f16c7bSKukjin Kim bool "SAMSUNG EXYNOS5" 2423f16c7bSKukjin Kim select HAVE_SMP 2523f16c7bSKukjin Kim help 2623f16c7bSKukjin Kim Samsung EXYNOS5 (Cortex-A15) SoC based systems 2783014579SKukjin Kim 2883014579SKukjin Kimcomment "EXYNOS SoCs" 2983014579SKukjin Kim 3083014579SKukjin Kimconfig CPU_EXYNOS4210 3183014579SKukjin Kim bool "SAMSUNG EXYNOS4210" 3283014579SKukjin Kim default y 3383014579SKukjin Kim depends on ARCH_EXYNOS4 3483014579SKukjin Kim select SAMSUNG_DMADEV 3583014579SKukjin Kim select ARM_CPU_SUSPEND if PM 3683014579SKukjin Kim select S5P_PM if PM 3783014579SKukjin Kim select S5P_SLEEP if PM 3891cfbd4eSThomas Abraham select PM_GENERIC_DOMAINS 3983014579SKukjin Kim help 4083014579SKukjin Kim Enable EXYNOS4210 CPU support 4183014579SKukjin Kim 4283014579SKukjin Kimconfig SOC_EXYNOS4212 4383014579SKukjin Kim bool "SAMSUNG EXYNOS4212" 4483014579SKukjin Kim default y 4583014579SKukjin Kim depends on ARCH_EXYNOS4 46efd9960bSBoojin Kim select SAMSUNG_DMADEV 4783014579SKukjin Kim select S5P_PM if PM 4883014579SKukjin Kim select S5P_SLEEP if PM 4983014579SKukjin Kim help 5083014579SKukjin Kim Enable EXYNOS4212 SoC support 5183014579SKukjin Kim 5283014579SKukjin Kimconfig SOC_EXYNOS4412 5383014579SKukjin Kim bool "SAMSUNG EXYNOS4412" 5483014579SKukjin Kim default y 5583014579SKukjin Kim depends on ARCH_EXYNOS4 56efd9960bSBoojin Kim select SAMSUNG_DMADEV 5783014579SKukjin Kim help 5883014579SKukjin Kim Enable EXYNOS4412 SoC support 5983014579SKukjin Kim 6023f16c7bSKukjin Kimconfig SOC_EXYNOS5250 6123f16c7bSKukjin Kim bool "SAMSUNG EXYNOS5250" 6223f16c7bSKukjin Kim default y 6323f16c7bSKukjin Kim depends on ARCH_EXYNOS5 6423f16c7bSKukjin Kim help 6523f16c7bSKukjin Kim Enable EXYNOS5250 SoC support 6623f16c7bSKukjin Kim 6783014579SKukjin Kimconfig EXYNOS4_MCT 6883014579SKukjin Kim bool 6983014579SKukjin Kim default y 7083014579SKukjin Kim help 7183014579SKukjin Kim Use MCT (Multi Core Timer) as kernel timers 7283014579SKukjin Kim 73fca3de6aSThomas Abrahamconfig EXYNOS4_DEV_DMA 74fca3de6aSThomas Abraham bool 75fca3de6aSThomas Abraham help 76fca3de6aSThomas Abraham Compile in amba device definitions for DMA controller 77fca3de6aSThomas Abraham 7883014579SKukjin Kimconfig EXYNOS4_DEV_AHCI 7983014579SKukjin Kim bool 8083014579SKukjin Kim help 8183014579SKukjin Kim Compile in platform device definitions for AHCI 8283014579SKukjin Kim 8383014579SKukjin Kimconfig EXYNOS4_SETUP_FIMD0 8483014579SKukjin Kim bool 8583014579SKukjin Kim help 8683014579SKukjin Kim Common setup code for FIMD0. 8783014579SKukjin Kim 8883014579SKukjin Kimconfig EXYNOS4_DEV_SYSMMU 8983014579SKukjin Kim bool 9083014579SKukjin Kim help 9183014579SKukjin Kim Common setup code for SYSTEM MMU in EXYNOS4 9283014579SKukjin Kim 9383014579SKukjin Kimconfig EXYNOS4_DEV_DWMCI 9483014579SKukjin Kim bool 9583014579SKukjin Kim help 9683014579SKukjin Kim Compile in platform device definitions for DWMCI 9783014579SKukjin Kim 986e7eb170SJingoo Hanconfig EXYNOS4_DEV_USB_OHCI 996e7eb170SJingoo Han bool 1006e7eb170SJingoo Han help 1016e7eb170SJingoo Han Compile in platform device definition for USB OHCI 1026e7eb170SJingoo Han 10383014579SKukjin Kimconfig EXYNOS4_SETUP_I2C1 10483014579SKukjin Kim bool 10583014579SKukjin Kim help 10683014579SKukjin Kim Common setup code for i2c bus 1. 10783014579SKukjin Kim 10883014579SKukjin Kimconfig EXYNOS4_SETUP_I2C2 10983014579SKukjin Kim bool 11083014579SKukjin Kim help 11183014579SKukjin Kim Common setup code for i2c bus 2. 11283014579SKukjin Kim 11383014579SKukjin Kimconfig EXYNOS4_SETUP_I2C3 11483014579SKukjin Kim bool 11583014579SKukjin Kim help 11683014579SKukjin Kim Common setup code for i2c bus 3. 11783014579SKukjin Kim 11883014579SKukjin Kimconfig EXYNOS4_SETUP_I2C4 11983014579SKukjin Kim bool 12083014579SKukjin Kim help 12183014579SKukjin Kim Common setup code for i2c bus 4. 12283014579SKukjin Kim 12383014579SKukjin Kimconfig EXYNOS4_SETUP_I2C5 12483014579SKukjin Kim bool 12583014579SKukjin Kim help 12683014579SKukjin Kim Common setup code for i2c bus 5. 12783014579SKukjin Kim 12883014579SKukjin Kimconfig EXYNOS4_SETUP_I2C6 12983014579SKukjin Kim bool 13083014579SKukjin Kim help 13183014579SKukjin Kim Common setup code for i2c bus 6. 13283014579SKukjin Kim 13383014579SKukjin Kimconfig EXYNOS4_SETUP_I2C7 13483014579SKukjin Kim bool 13583014579SKukjin Kim help 13683014579SKukjin Kim Common setup code for i2c bus 7. 13783014579SKukjin Kim 13883014579SKukjin Kimconfig EXYNOS4_SETUP_KEYPAD 13983014579SKukjin Kim bool 14083014579SKukjin Kim help 14183014579SKukjin Kim Common setup code for keypad. 14283014579SKukjin Kim 14383014579SKukjin Kimconfig EXYNOS4_SETUP_SDHCI 14483014579SKukjin Kim bool 14583014579SKukjin Kim select EXYNOS4_SETUP_SDHCI_GPIO 14683014579SKukjin Kim help 14783014579SKukjin Kim Internal helper functions for EXYNOS4 based SDHCI systems. 14883014579SKukjin Kim 14983014579SKukjin Kimconfig EXYNOS4_SETUP_SDHCI_GPIO 15083014579SKukjin Kim bool 15183014579SKukjin Kim help 15283014579SKukjin Kim Common setup code for SDHCI gpio. 15383014579SKukjin Kim 15483014579SKukjin Kimconfig EXYNOS4_SETUP_FIMC 15583014579SKukjin Kim bool 15683014579SKukjin Kim help 15783014579SKukjin Kim Common setup code for the camera interfaces. 15883014579SKukjin Kim 15983014579SKukjin Kimconfig EXYNOS4_SETUP_USB_PHY 16083014579SKukjin Kim bool 16183014579SKukjin Kim help 16283014579SKukjin Kim Common setup code for USB PHY controller 16383014579SKukjin Kim 16474ac23a3SPadmavathi Vennaconfig EXYNOS4_SETUP_SPI 16574ac23a3SPadmavathi Venna bool 16674ac23a3SPadmavathi Venna help 16774ac23a3SPadmavathi Venna Common setup code for SPI GPIO configurations. 16874ac23a3SPadmavathi Venna 16983014579SKukjin Kim# machine support 17083014579SKukjin Kim 17183014579SKukjin Kimif ARCH_EXYNOS4 17283014579SKukjin Kim 17383014579SKukjin Kimcomment "EXYNOS4210 Boards" 17483014579SKukjin Kim 17583014579SKukjin Kimconfig MACH_SMDKC210 17683014579SKukjin Kim bool "SMDKC210" 17783014579SKukjin Kim select MACH_SMDKV310 17883014579SKukjin Kim help 17983014579SKukjin Kim Machine support for Samsung SMDKC210 18083014579SKukjin Kim 18183014579SKukjin Kimconfig MACH_SMDKV310 18283014579SKukjin Kim bool "SMDKV310" 18383014579SKukjin Kim select CPU_EXYNOS4210 18483014579SKukjin Kim select S5P_DEV_FIMD0 18583014579SKukjin Kim select S3C_DEV_RTC 18683014579SKukjin Kim select S3C_DEV_WDT 18783014579SKukjin Kim select S3C_DEV_I2C1 18883014579SKukjin Kim select S5P_DEV_FIMC0 18983014579SKukjin Kim select S5P_DEV_FIMC1 19083014579SKukjin Kim select S5P_DEV_FIMC2 19183014579SKukjin Kim select S5P_DEV_FIMC3 192b3421f97SSachin Kamat select S5P_DEV_G2D 19383014579SKukjin Kim select S5P_DEV_I2C_HDMIPHY 1949fbe8c7aSSachin Kamat select S5P_DEV_JPEG 19583014579SKukjin Kim select S5P_DEV_MFC 19683014579SKukjin Kim select S5P_DEV_TV 19783014579SKukjin Kim select S5P_DEV_USB_EHCI 19883014579SKukjin Kim select S3C_DEV_HSMMC 19983014579SKukjin Kim select S3C_DEV_HSMMC1 20083014579SKukjin Kim select S3C_DEV_HSMMC2 20183014579SKukjin Kim select S3C_DEV_HSMMC3 20283014579SKukjin Kim select SAMSUNG_DEV_BACKLIGHT 20383014579SKukjin Kim select EXYNOS4_DEV_AHCI 20483014579SKukjin Kim select SAMSUNG_DEV_KEYPAD 205fca3de6aSThomas Abraham select EXYNOS4_DEV_DMA 20683014579SKukjin Kim select SAMSUNG_DEV_PWM 207744f20f2SJingoo Han select EXYNOS4_DEV_USB_OHCI 20883014579SKukjin Kim select EXYNOS4_DEV_SYSMMU 20983014579SKukjin Kim select EXYNOS4_SETUP_FIMD0 21083014579SKukjin Kim select EXYNOS4_SETUP_I2C1 21183014579SKukjin Kim select EXYNOS4_SETUP_KEYPAD 21283014579SKukjin Kim select EXYNOS4_SETUP_SDHCI 21383014579SKukjin Kim select EXYNOS4_SETUP_USB_PHY 21483014579SKukjin Kim help 21583014579SKukjin Kim Machine support for Samsung SMDKV310 21683014579SKukjin Kim 21783014579SKukjin Kimconfig MACH_ARMLEX4210 21883014579SKukjin Kim bool "ARMLEX4210" 21983014579SKukjin Kim select CPU_EXYNOS4210 22083014579SKukjin Kim select S3C_DEV_RTC 22183014579SKukjin Kim select S3C_DEV_WDT 22283014579SKukjin Kim select S3C_DEV_HSMMC 22383014579SKukjin Kim select S3C_DEV_HSMMC2 22483014579SKukjin Kim select S3C_DEV_HSMMC3 22583014579SKukjin Kim select EXYNOS4_DEV_AHCI 226fca3de6aSThomas Abraham select EXYNOS4_DEV_DMA 22783014579SKukjin Kim select EXYNOS4_DEV_SYSMMU 22883014579SKukjin Kim select EXYNOS4_SETUP_SDHCI 22983014579SKukjin Kim help 23083014579SKukjin Kim Machine support for Samsung ARMLEX4210 based on EXYNOS4210 23183014579SKukjin Kim 23283014579SKukjin Kimconfig MACH_UNIVERSAL_C210 23383014579SKukjin Kim bool "Mobile UNIVERSAL_C210 Board" 23483014579SKukjin Kim select CPU_EXYNOS4210 23583014579SKukjin Kim select S5P_GPIO_INT 23683014579SKukjin Kim select S5P_DEV_FIMC0 23783014579SKukjin Kim select S5P_DEV_FIMC1 23883014579SKukjin Kim select S5P_DEV_FIMC2 23983014579SKukjin Kim select S5P_DEV_FIMC3 2402cd11b09SKamil Debski select S5P_DEV_G2D 24183014579SKukjin Kim select S5P_DEV_CSIS0 24295e874cbSAndrzej Pietrasiewicz select S5P_DEV_JPEG 24383014579SKukjin Kim select S5P_DEV_FIMD0 24483014579SKukjin Kim select S3C_DEV_HSMMC 24583014579SKukjin Kim select S3C_DEV_HSMMC2 24683014579SKukjin Kim select S3C_DEV_HSMMC3 24783014579SKukjin Kim select S3C_DEV_I2C1 24883014579SKukjin Kim select S3C_DEV_I2C3 24983014579SKukjin Kim select S3C_DEV_I2C5 25083014579SKukjin Kim select S5P_DEV_I2C_HDMIPHY 25183014579SKukjin Kim select S5P_DEV_MFC 25283014579SKukjin Kim select S5P_DEV_ONENAND 25383014579SKukjin Kim select S5P_DEV_TV 254fca3de6aSThomas Abraham select EXYNOS4_DEV_DMA 2556dafa4aeSMarek Szyprowski select EXYNOS_DEV_DRM 25683014579SKukjin Kim select EXYNOS4_SETUP_FIMD0 25783014579SKukjin Kim select EXYNOS4_SETUP_I2C1 25883014579SKukjin Kim select EXYNOS4_SETUP_I2C3 25983014579SKukjin Kim select EXYNOS4_SETUP_I2C5 26083014579SKukjin Kim select EXYNOS4_SETUP_SDHCI 26183014579SKukjin Kim select EXYNOS4_SETUP_FIMC 26283014579SKukjin Kim select S5P_SETUP_MIPIPHY 26383014579SKukjin Kim help 26483014579SKukjin Kim Machine support for Samsung Mobile Universal S5PC210 Reference 26583014579SKukjin Kim Board. 26683014579SKukjin Kim 26783014579SKukjin Kimconfig MACH_NURI 26883014579SKukjin Kim bool "Mobile NURI Board" 26983014579SKukjin Kim select CPU_EXYNOS4210 27083014579SKukjin Kim select S5P_GPIO_INT 27183014579SKukjin Kim select S3C_DEV_WDT 27283014579SKukjin Kim select S3C_DEV_RTC 27383014579SKukjin Kim select S5P_DEV_FIMD0 27483014579SKukjin Kim select S3C_DEV_HSMMC 27583014579SKukjin Kim select S3C_DEV_HSMMC2 27683014579SKukjin Kim select S3C_DEV_HSMMC3 27783014579SKukjin Kim select S3C_DEV_I2C1 27883014579SKukjin Kim select S3C_DEV_I2C3 27983014579SKukjin Kim select S3C_DEV_I2C5 2808f114e6eSSylwester Nawrocki select S3C_DEV_I2C6 28183014579SKukjin Kim select S5P_DEV_CSIS0 28272bce7b1SAndrzej Pietrasiewicz select S5P_DEV_JPEG 28383014579SKukjin Kim select S5P_DEV_FIMC0 28483014579SKukjin Kim select S5P_DEV_FIMC1 28583014579SKukjin Kim select S5P_DEV_FIMC2 28683014579SKukjin Kim select S5P_DEV_FIMC3 287ec004669SKamil Debski select S5P_DEV_G2D 28883014579SKukjin Kim select S5P_DEV_MFC 28983014579SKukjin Kim select S5P_DEV_USB_EHCI 29083014579SKukjin Kim select S5P_SETUP_MIPIPHY 291fca3de6aSThomas Abraham select EXYNOS4_DEV_DMA 29283014579SKukjin Kim select EXYNOS4_SETUP_FIMC 29383014579SKukjin Kim select EXYNOS4_SETUP_FIMD0 29483014579SKukjin Kim select EXYNOS4_SETUP_I2C1 29583014579SKukjin Kim select EXYNOS4_SETUP_I2C3 29683014579SKukjin Kim select EXYNOS4_SETUP_I2C5 2978f114e6eSSylwester Nawrocki select EXYNOS4_SETUP_I2C6 29883014579SKukjin Kim select EXYNOS4_SETUP_SDHCI 29983014579SKukjin Kim select EXYNOS4_SETUP_USB_PHY 30083014579SKukjin Kim select S5P_SETUP_MIPIPHY 30183014579SKukjin Kim select SAMSUNG_DEV_PWM 30283014579SKukjin Kim select SAMSUNG_DEV_ADC 30383014579SKukjin Kim help 30483014579SKukjin Kim Machine support for Samsung Mobile NURI Board. 30583014579SKukjin Kim 30683014579SKukjin Kimconfig MACH_ORIGEN 30783014579SKukjin Kim bool "ORIGEN" 30883014579SKukjin Kim select CPU_EXYNOS4210 30983014579SKukjin Kim select S3C_DEV_RTC 31083014579SKukjin Kim select S3C_DEV_WDT 31183014579SKukjin Kim select S3C_DEV_HSMMC 31283014579SKukjin Kim select S3C_DEV_HSMMC2 31383014579SKukjin Kim select S5P_DEV_FIMC0 31483014579SKukjin Kim select S5P_DEV_FIMC1 31583014579SKukjin Kim select S5P_DEV_FIMC2 31683014579SKukjin Kim select S5P_DEV_FIMC3 31783014579SKukjin Kim select S5P_DEV_FIMD0 31884207d83SSachin Kamat select S5P_DEV_G2D 31983014579SKukjin Kim select S5P_DEV_I2C_HDMIPHY 320965a330dSSachin Kamat select S5P_DEV_JPEG 32183014579SKukjin Kim select S5P_DEV_MFC 32283014579SKukjin Kim select S5P_DEV_TV 32383014579SKukjin Kim select S5P_DEV_USB_EHCI 32483014579SKukjin Kim select SAMSUNG_DEV_BACKLIGHT 32583014579SKukjin Kim select SAMSUNG_DEV_PWM 326fca3de6aSThomas Abraham select EXYNOS4_DEV_DMA 32795de77d4STushar Behera select EXYNOS4_DEV_USB_OHCI 32883014579SKukjin Kim select EXYNOS4_SETUP_FIMD0 32983014579SKukjin Kim select EXYNOS4_SETUP_SDHCI 33083014579SKukjin Kim select EXYNOS4_SETUP_USB_PHY 33183014579SKukjin Kim help 33283014579SKukjin Kim Machine support for ORIGEN based on Samsung EXYNOS4210 33383014579SKukjin Kim 33483014579SKukjin Kimcomment "EXYNOS4212 Boards" 33583014579SKukjin Kim 33683014579SKukjin Kimconfig MACH_SMDK4212 33783014579SKukjin Kim bool "SMDK4212" 33883014579SKukjin Kim select SOC_EXYNOS4212 33983014579SKukjin Kim select S3C_DEV_HSMMC2 34083014579SKukjin Kim select S3C_DEV_HSMMC3 34183014579SKukjin Kim select S3C_DEV_I2C1 34283014579SKukjin Kim select S3C_DEV_I2C3 34383014579SKukjin Kim select S3C_DEV_I2C7 34483014579SKukjin Kim select S3C_DEV_RTC 34583014579SKukjin Kim select S3C_DEV_WDT 34683014579SKukjin Kim select SAMSUNG_DEV_BACKLIGHT 34783014579SKukjin Kim select SAMSUNG_DEV_KEYPAD 34883014579SKukjin Kim select SAMSUNG_DEV_PWM 349efd9960bSBoojin Kim select EXYNOS4_DEV_DMA 35083014579SKukjin Kim select EXYNOS4_SETUP_I2C1 35183014579SKukjin Kim select EXYNOS4_SETUP_I2C3 35283014579SKukjin Kim select EXYNOS4_SETUP_I2C7 35383014579SKukjin Kim select EXYNOS4_SETUP_KEYPAD 35483014579SKukjin Kim select EXYNOS4_SETUP_SDHCI 35583014579SKukjin Kim help 35683014579SKukjin Kim Machine support for Samsung SMDK4212 35783014579SKukjin Kim 35883014579SKukjin Kimcomment "EXYNOS4412 Boards" 35983014579SKukjin Kim 36083014579SKukjin Kimconfig MACH_SMDK4412 36183014579SKukjin Kim bool "SMDK4412" 36283014579SKukjin Kim select SOC_EXYNOS4412 36383014579SKukjin Kim select MACH_SMDK4212 36483014579SKukjin Kim help 36583014579SKukjin Kim Machine support for Samsung SMDK4412 36683014579SKukjin Kimendif 36783014579SKukjin Kim 368b3e68fb1SKukjin Kimcomment "Flattened Device Tree based board for EXYNOS SoCs" 3696b5ab4f4SThomas Abraham 3706b5ab4f4SThomas Abrahamconfig MACH_EXYNOS4_DT 3716b5ab4f4SThomas Abraham bool "Samsung Exynos4 Machine using device tree" 3725ad14306SSachin Kamat depends on ARCH_EXYNOS4 3736b5ab4f4SThomas Abraham select CPU_EXYNOS4210 3746b5ab4f4SThomas Abraham select USE_OF 3756b5ab4f4SThomas Abraham select ARM_AMBA 3766b5ab4f4SThomas Abraham select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD 3776b5ab4f4SThomas Abraham help 3786b5ab4f4SThomas Abraham Machine support for Samsung Exynos4 machine with device tree enabled. 3796b5ab4f4SThomas Abraham Select this if a fdt blob is available for the Exynos4 SoC based board. 3806b5ab4f4SThomas Abraham Note: This is under development and not all peripherals can be supported 3816b5ab4f4SThomas Abraham with this machine file. 3826b5ab4f4SThomas Abraham 383b3e68fb1SKukjin Kimconfig MACH_EXYNOS5_DT 384b3e68fb1SKukjin Kim bool "SAMSUNG EXYNOS5 Machine using device tree" 3855ad14306SSachin Kamat depends on ARCH_EXYNOS5 386b3e68fb1SKukjin Kim select SOC_EXYNOS5250 387b3e68fb1SKukjin Kim select USE_OF 388b3e68fb1SKukjin Kim select ARM_AMBA 389b3e68fb1SKukjin Kim help 390b3e68fb1SKukjin Kim Machine support for Samsung Exynos4 machine with device tree enabled. 391b3e68fb1SKukjin Kim Select this if a fdt blob is available for the EXYNOS4 SoC based board. 392b3e68fb1SKukjin Kim 39383014579SKukjin Kimif ARCH_EXYNOS4 39483014579SKukjin Kim 39583014579SKukjin Kimcomment "Configuration for HSMMC 8-bit bus width" 39683014579SKukjin Kim 39783014579SKukjin Kimconfig EXYNOS4_SDHCI_CH0_8BIT 39883014579SKukjin Kim bool "Channel 0 with 8-bit bus" 39983014579SKukjin Kim help 40083014579SKukjin Kim Support HSMMC Channel 0 8-bit bus. 40183014579SKukjin Kim If selected, Channel 1 is disabled. 40283014579SKukjin Kim 40383014579SKukjin Kimconfig EXYNOS4_SDHCI_CH2_8BIT 40483014579SKukjin Kim bool "Channel 2 with 8-bit bus" 40583014579SKukjin Kim help 40683014579SKukjin Kim Support HSMMC Channel 2 8-bit bus. 40783014579SKukjin Kim If selected, Channel 3 is disabled. 40883014579SKukjin Kimendif 40983014579SKukjin Kim 41083014579SKukjin Kimendmenu 41183014579SKukjin Kim 41283014579SKukjin Kimendif 413