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----请问这是啥状态啊!

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发表于 2020-11-27 08:48:50     
开机后启动如下:

U-Boot 2017.09-g1a3b2fa-dirty (Jun 18 2020 - 17:51:16 +0800)

Model: Rockchip RK3308 EVB
PreSerial: 2
DRAM:  254 MiB
Relocation Offset is: 00000000
vdd_core 1044000 uV
vdd-core init 1044000 uV
MMC:   dwmmc@ff490000: 0
Using default environment

Warn: can't find phy driver
In:    serial
Out:   serial
Err:   serial
Model: Rockchip RK3308 EVB
Bootdev(atags): spinand 0
sfc nor id: ff 98 cb
ret -1
sfc_nand id: 98 cb 98
SFTL version: 5.0.50 20181227
## Unknown partition table type 0
PartType: <NULL>
get part misc fail -1
boot mode: None
init_resource_list: failed to get boot part, ret=-1
init_resource_list: failed to get resource part, ret=-1
Can't find file:logo.bmp
failed to display uboot logo
CLK:
apll 816000 KHz
dpll 1300000 KHz
vpll0 1179647 KHz
vpll1 903167 KHz
aclk_bus 185714 KHz
hclk_bus 100000 KHz
pclk_bus 100000 KHz
aclk_peri 185714 KHz
hclk_peri 100000 KHz
pclk_peri 100000 KHz
hclk_audio 98303 KHz
pclk_audio 98303 KHz
Net:   Net Initialization Skipped
No ethernet found.
Hit key to stop autoboot('CTRL+C'):  0
android_bootloader_boot_flow Could not find misc partition
Could not read from misc partition
WARNING: Unable to load the BCB.
ANDROID: reboot reason: "(none)"
android_bootloader_boot_flow Could not found bootable partition boot
Android boot failed, error -1.
=Booting Rockchip format image=
boot_rockchip_image kernel or boot part info error
MMC Device 1 not found
no mmc device at slot 1
Card did not respond to voltage select!
mmc_init: -95, time 9

Device 0: unknown device
No ethernet found.
missing environment variable: pxeuuid
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/00000000
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/0000000
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/000000
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/00000
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/0000
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/000
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/00
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/0
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/default-arm-rockchip
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/default-arm
No ethernet found.
missing environment variable: bootfile
Retrieving file: pxelinux.cfg/default
No ethernet found.
Config file not found
No ethernet found.
=>
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发表于 2020-11-27 08:59:47     
看起来有点像U-Boot 命令行模式,敲个问号看看有没有提示
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发表于 2020-11-30 18:20:53     
=> ?
?       - alias for 'help'
base    - print or set address offset
boot    - boot default, i.e., run 'bootcmd'
boot_android- Execute the Android Bootloader flow.
bootd   - boot default, i.e., run 'bootcmd'
bootm   - boot application image from memory
bootp   - boot image via network using BOOTP/TFTP protocol
bootrkp - Boot Linux Image from rockchip image type
bootz   - boot Linux zImage image from memory
cmp     - memory compare
coninfo - print console devices and information
cp      - memory copy
crc32   - checksum calculation
dhcp    - boot image via network using DHCP/TFTP protocol
dm      - Driver model low level access
echo    - echo args to console
editenv - edit environment variable
env     - environment handling commands
exit    - exit script
ext2load- load binary file from a Ext2 filesystem
ext2ls  - list files in a directory (default /)
ext4load- load binary file from a Ext4 filesystem
ext4ls  - list files in a directory (default /)
ext4size- determine a file's size
false   - do nothing, unsuccessfully
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls   - list files in a directory (default /)
fatsize - determine a file's size
fatwrite- write file into a dos filesystem
fdt     - flattened device tree utility commands
fstype  - Look up a filesystem type
go      - start application at address 'addr'
gpt     - GUID Partition Table
help    - print command description/usage
iomem   - Show iomem data by device compatible
lcdputs - print string on video framebuffer
load    - load binary file from a filesystem
loop    - infinite loop on address range
ls      - list files in a directory (default /)
md      - memory display
mii     - MII utility commands
mm      - memory modify (auto-incrementing address)
mmc     - MMC sub system
mmcinfo - display MMC info
mw      - memory write (fill)
nfs     - boot image via network using NFS protocol
nm      - memory modify (constant address)
part    - disk partition related commands
ping    - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
pxe     - commands to get and boot from pxe files
rbrom   - Perform RESET of the CPU
reset   - Perform RESET of the CPU
rkimgtest- Test if storage media have rockchip image
rknand  - rockchip nand flash sub-system
rksfc   - rockchip sfc sub-system
rockchip_show_bmp- load and display bmp from resource partition
rockchip_show_logo- load and display log from resource partition
rockusb - Use the rockusb Protocol
run     - run commands in an environment variable
save    - save file to a filesystem
setcurs - set cursor position within screen
setenv  - set environment variables
showvar - print local hushshell variables
size    - determine a file's size
source  - run script from memory
sysboot - command to get and boot from syslinux files

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发表于 2020-11-30 19:05:23     
就是u-boot命令行模式
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发表于 2020-12-27 05:49:53     
好的谢谢,我还以为是fastboot 模式呢?
请问在这个模式下如何擦除spi flash 或者叫sfc
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