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https://github.com/brain-hackers/u-boot-brain
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mx6sabre_common: Dynamically change the video output
Use the 'hdmidetect' command in U-boot to load the appropriate video arguments. If HDMI is connected during boot then make HDMI as the primary framebuffer, otherwise let LVDS be the primary framebuffer. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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@ -11,6 +11,7 @@ CONFIG_SPL_SERIAL_SUPPORT=y
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CONFIG_NR_DRAM_BANKS=1
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CONFIG_NR_DRAM_BANKS=1
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CONFIG_SPL=y
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CONFIG_SPL=y
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CONFIG_SPL_LIBDISK_SUPPORT=y
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CONFIG_SPL_LIBDISK_SUPPORT=y
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CONFIG_CMD_HDMIDETECT=y
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CONFIG_NXP_BOARD_REVISION=y
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CONFIG_NXP_BOARD_REVISION=y
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CONFIG_SPL_TEXT_BASE=0x00908000
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CONFIG_SPL_TEXT_BASE=0x00908000
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CONFIG_FIT=y
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CONFIG_FIT=y
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@ -12,6 +12,7 @@ CONFIG_NR_DRAM_BANKS=1
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CONFIG_SPL=y
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CONFIG_SPL=y
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CONFIG_SPL_LIBDISK_SUPPORT=y
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CONFIG_SPL_LIBDISK_SUPPORT=y
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CONFIG_SPL_TEXT_BASE=0x00908000
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CONFIG_SPL_TEXT_BASE=0x00908000
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CONFIG_CMD_HDMIDETECT=y
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CONFIG_FIT=y
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CONFIG_FIT=y
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CONFIG_SPL_FIT_PRINT=y
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CONFIG_SPL_FIT_PRINT=y
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CONFIG_SPL_LOAD_FIT=y
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CONFIG_SPL_LOAD_FIT=y
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@ -48,13 +48,15 @@
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#define EMMC_ENV ""
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#define EMMC_ENV ""
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#endif
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#endif
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#ifndef VIDEO_ARGS
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#define VIDEO_ARGS "${video_args}"
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#define VIDEO_ARGS ""
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#define VIDEO_ARGS_SCRIPT "run video_args_script; "
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#endif
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#ifndef VIDEO_ARGS_SCRIPT
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#define CONFIG_PREBOOT \
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#define VIDEO_ARGS_SCRIPT ""
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"if hdmidet; then " \
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#endif
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"setenv video_interfaces hdmi lvds; " \
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"else " \
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"setenv video_interfaces lvds hdmi; " \
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"fi;"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"script=boot.scr\0" \
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"script=boot.scr\0" \
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@ -95,7 +97,6 @@
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"video_args_lcd=setenv video_args $video_args " \
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"video_args_lcd=setenv video_args $video_args " \
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"video=mxcfb${fb}:dev=lcd,CLAA-WVGA,if=RGB666\0" \
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"video=mxcfb${fb}:dev=lcd,CLAA-WVGA,if=RGB666\0" \
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"fb=0\0" \
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"fb=0\0" \
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"video_interfaces=hdmi lvds lcd\0" \
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"video_args_script=" \
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"video_args_script=" \
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"for v in ${video_interfaces}; do " \
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"for v in ${video_interfaces}; do " \
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"run video_args_${v}; " \
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"run video_args_${v}; " \
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@ -16,9 +16,6 @@
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#define CONFIG_MXC_UART_BASE UART1_BASE
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#define CONFIG_MXC_UART_BASE UART1_BASE
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#define CONSOLE_DEV "ttymxc0"
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#define CONSOLE_DEV "ttymxc0"
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#define VIDEO_ARGS "${video_args}"
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#define VIDEO_ARGS_SCRIPT "run video_args_script; "
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#include "mx6sabre_common.h"
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#include "mx6sabre_common.h"
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/* Falcon Mode */
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/* Falcon Mode */
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