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本帖最后由 killer123 于 2020-4-15 20:05 编辑
Boot SPI NAND
start read bootheader
start read secondboot
non secure boot
Jump
enter bootloader...
crpm init enter
crpm init done
ddr init done
SPI NAND
non secure uboot
backup header!!
Jump
U-Boot 2013.04 (Jul 27 2019 - 18:46:21)
CPU : ZX279128S@A9,1000MHZ
Board: ZTE zx279128sevb
I2C: ready
5DRAM: 512 MiB
5,20000000,60000000
product_vid = 3
vid=3-F673AV9
mtk reset,64,53
mtk reset,65,55
bootsel=3
NAND: manuid=c8,a
Manu ID: 0xc8, Chip ID: 0x0a (ESMT SPI NAND F50L2G41LB 256MiB 3,3V)
256 MiB
<nand_read_skip_bad_,333>!mtdpart=0x1,offset=0x0,mtdpartoffset=0x180000,mtdPartsize=0x80000,length=0x20000
In: serial
Out: serial
Err: serial
clk_pll env is not setted, core clk won't change
Net: enter ref_clk_set.. mode = 0 .
enter pll_cfg_fractional
ref_clk_set success!
gpon serdes init
rxpll_ready
addr 0x9400004c before value is 38000
addr 0x9400004c after value is 381ff
eth0
Hit 1 to upgrade software version
Hit any key to stop autoboot: 0
=> ?
? - alias for 'help'
autorun - start version
base - print or set address offset
bdinfo - print Board Info structure
boot - boot default, i.e., run 'bootcmd'
bootd - boot default, i.e., run 'bootcmd'
bootk - boot kernel
bootm - boot application image from memory
bootz - boot Linux zImage image from memory
cmp - memory compare
coninfo - print console devices and information
cp - memory copy
dhcp - boot image via network using DHCP/TFTP protocol
downver - upgrade software downloaded from TFTP server
echo - echo args to console
fdt - flattened device tree utility commands
go - start application at address 'addr'
gpiotest- gpiotest dir [num] [in/out]
gpiotest value [num] [1/0]
gpiotest gvalue [num]
help - print command description/usage
i2c - I2C sub-system
imxtract- extract a part of a multi-image
itest - return true/false on integer compare
md - memory display
mii - MII utility commands
mt - memory test
mtddebug- mtddebug operate
mtest - simple RAM read/write test
mw - memory write (fill)
nand - NAND sub-system
ping - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
reset - Perform RESET of the CPU
run - run commands in an environment variable
saveenv - save environment variables to persistent storage
setenv - set environment variables
sleep - delay execution for some time
tftp - boot image via network using TFTP protocol
version - print monitor, compiler and linker version
watchdog- watchdog reset && disable
xmodem - xmodem
=> <INTERRUPT>
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