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想设置HDMI输出分辨率。
以下是Uboot信息,包括了设置信息,和启动信息:
LCD链接和移除,都试过了,到下面的信息后,UBOOT就不再有输出;
##### Boot for TQ210 Main Menu#####
##### EmbedSky USB download mode #####
[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[4] Download LOGO Picture (logo.bin) to Nand Flash
[5] Download UBIFS image (root.ubi) to Nand Flash
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program
[n] Enter TFTP download mode menu
[r] Reboot u-boot
[t] Test Linux Image (zImage)
Enter your selection: 0
##### Parameter Menu #####
[1] Set NFS boot parameter
[2] Set Yaffs boot parameter for Android or Standard Linux
[3] Set UBIfs boot parameter for Android or Standard Linux
[4] Set parameter
[5] View the parameters
[c] Choice lcd type.
[d] Delete parameter
[i] Display nand flash infomation.
] Save the parameters to Nand Flash
[q] Return main Menu
Enter your selection: c
##### LCD select Menu #####
[1] T43" screen.
[2] A70" screen.
[3] A104" screen.
[4] VGA1024768" screen.
[5] W35" screen.
[6] VGA640480" screen.
[7] VGA7213" screen.
[8] VGA1280X800" screen.
[r] Reboot u-boot
[q] Return Parameter Menu
Enter your selection: 8
Saving Environment to NAND...
Erasing Nand...
Erasing at 0x100000 -- 100% complete.
Writing to Nand... done
##### LCD select Menu #####
[1] T43" screen.
[2] A70" screen.
[3] A104" screen.
[4] VGA1024768" screen.
[5] W35" screen.
[6] VGA640480" screen.
[7] VGA7213" screen.
[8] VGA1280X800" screen.
[r] Reboot u-boot
[q] Return Parameter Menu
Enter your selection: r
reset...
OK
##### EmbedSky BIOS for SKY210/TQ210 #####
This Board: SDRAM is 1024MB; LCD display size is: 1280X800
Hit any key to stop autoboot: 0
SD and FAT initialize success!
file length is 0x378.
condition=RUN
u-boot will run OS!
Start Linux ......
NAND read: device 0 offset 0x500000, size 0x500000
5242880 bytes read: OK
Boot with zImage
Starting kernel ...
Uncompressing Linux... done, booting the kernel.
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