AnsweredAssumed Answered

HDMI no detected

Question asked by Eugene Volkov on Mar 30, 2015
Latest reply on May 4, 2015 by Eugene Volkov

Hi.

my problem, in u-boot hdmi panel not connected.

 

U-Boot 2014.04 (Mar 30 2015 - 21:15:52)

 

CPU:   Freescale i.MX6SOLO rev1.1 at 792 MHz

CPU:   Temperature 49 C, calibration data: 0x56f4c77d

Reset cause: POR

Board: MX6-Sabreauto revA

I2C:   ready

DRAM:  256 MiB

NAND:  256 MiB

MMC:   FSL_SDHC: 0, FSL_SDHC: 1

No panel detected: default to Hannstar-XGA

Display: Hannstar-XGA (1024x768)

In:    serial

Out:   serial

Err:   serial

mmc1 is current device

Net:   Phy not found

FEC [PRIME]

 

My environment:

 

baudrate=115200

boot_fdt=try

bootargs=console=ttymxc0,115200 nosmp root=/dev/nfs ip=dhcp nfsroot=:,v3,tcp

bootargs_mmc=setenv bootargs ${bootargs} root=/dev/mmcblk2p1 rootwait rw video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24

bootcmd=mmc dev ${mmcdev};if mmc rescan; then if run loadbootscript; then run bootscript; else if run loadimage; then run mmcboot; else run netboot; fi; fi; else run netboot; fi

bootcmd_mfg=run mfgtool_args;bootz ${loadaddr} ${initrd_addr} ${fdt_addr};

bootdelay=1

bootscript=echo Running bootscript from mmc ...; source

console=ttymxc0

displayinfo=video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24

ethact=FEC

ethprime=FEC

fdt_addr=0x18000000

fdt_file=imx6dl-sabreauto.dtb

fdt_high=0xffffffff

get_cmd=dhcp

image=zImage

initrd_addr=0x12C00000

initrd_high=0xffffffff

ip_dyn=yes

loadaddr=0x12000000

loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};

loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}

loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}

mfgtool_args=setenv bootargs console=ttymxc0,115200 rdinit=/linuxrc g_mass_storage.stall=0 g_mass_storage.removable=1 g_mass_storage.idVendor=0x066F g_mass_storage.idProduct=0x37FF g_mass_storage.iSerialNumber="" enable_wait_mode=off

mmcargs=setenv bootargs console=${console},${baudrate} ${smp} root=${mmcroot} videvideo=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24

mmcautodetect=yes

mmcboot=echo Booting from mmc ...; run mmcargs; if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if run loadfdt; then bootz ${loadaddr} - ${fdt_addr}; else if test ${boot_fdt} = try; then bootz; else echo WARN: Cannot load the DT; fi; fi; else bootz; fi;

mmcdev=1

mmcpart=1

mmcroot=/dev/mmcblk2p2 rootwait rw

netargs=setenv bootargs console=${console},${baudrate} ${smp} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp

netboot=echo Booting from net ...; run netargs; if test ${ip_dyn} = yes; then setenv get_cmd dhcp; else setenv get_cmd tftp; fi; ${get_cmd} ${image}; if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if ${get_cmd} ${fdt_addr} ${fdt_file}; then bootz ${loadaddr} - ${fdt_addr}; else if test ${boot_fdt} = try; then bootz; else echo WARN: Cannot load the DT; fi; fi; else bootz; fi;

script=boot.scr

smp=nosmp

update_sd_firmware=if test ${ip_dyn} = yes; then setenv get_cmd dhcp; else setenv get_cmd tftp; fi; if mmc dev ${mmcdev}; then if ${get_cmd} ${update_sd_firmware_filename}; then setexpr fw_sz ${filesize} / 0x200; setexpr fw_sz ${fw_sz} + 1; mmc write ${loadaddr} 0x2 ${fw_sz}; fi; fi

video=video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24

 

Environment  bootargs=console=ttymxc0,115200 nosmp root=/dev/nfs ip=dhcp nfsroot=:,v3,tcp  i can't change!  After reboot my board, this variable receive previous value.


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