@yuzukitsuru
HELLO! BOOT0 is starting!
boot0 version : 4.0.0
boot0 commit : 8ed29e2e331aff49cfcfb8c34edb3e7691fbf09b
rtc[1] value = 0x00010000
rtc[2] value = 0x00020000
rtc[3] value = 0x00030000
DRAM DRIVE INFO: V1.40
DRAM normal_mode value: 00000001
rsb_send_initseq: rsb clk 400Khz -> 3Mhz
PMU: AXP81X
ddr voltage = 1500 mv
ID CHECK VERSION: V0.3
ic use default id
using axp AXP818
DRAM Type =3 (2:DDR2,3:DDR3,6:LPDDR2,7:LPDDR3)
DRAM CLK =672 MHZ
DRAM zq value: 00003bfb
dram size =1024
card boot number = 2
card no is 2
sdcard 2 line count 8
[mmc]: mmc driver ver 2015-04-13 16:05:39
[mmc]: ***Try SD card 2***
[mmc]: mmc 2 cmd 8 err 00000100
[mmc]: mmc 2 cmd 8 err 00000100
[mmc]: mmc 2 send if cond failed
[mmc]: mmc 2 cmd 55 err 00000100
[mmc]: mmc 2 cmd 55 err 00000100
[mmc]: mmc 2 send app cmd failed
[mmc]: ***Try MMC card 2***
[mmc]: mmc re-update_phase
[mmc]: mmc re-update_phase
[mmc]: 8bit ddr!!!
[mmc]: mmc re-update_phase
[mmc]: MMC ver 4.0
[mmc]: SD/MMC Card: 8bit, capacity: 7456MB
[mmc]: vendor: Man 0090014a Snr a152b9a5
[mmc]: product: H8G4a
[mmc]: revision: 9.2
[mmc]: ***SD/MMC 2 init OK!!!***
sdcard 2 init ok
The size of uboot is 000f4000.
sum=8d878146
src_sum=8d878146
set_mmc_para,sdly 50M 0
set_mmc_para,sdly 25M 0
Succeed in loading uboot from sdmmc flash.
Ready to disable icache.
Jump to secend Boot.
[ 0.262]MODE
U-Boot 2011.09-rc1-00000-g8ed29e2-dirty (Jul 08 2017 - 11:36:38) Allwinner Technology
这是原机程序启动的一些串口信息
U-Boot SPL 2018.11 (Dec 15 2021 - 22:15:16 +0800)
DRAM: 1024 MiB
Trying to boot from FEL
U-Boot 2018.11 (Dec 15 2021 - 22:15:16 +0800) Allwinner Technology
CPU: Allwinner A83T (SUN8I 1673)
Model: Cubietech Cubietruck Plus
I2C: ready
DRAM: 1 GiB
MMC: SUNXI SD/MMC: 0, SUNXI SD/MMC: 1
Loading Environment from FAT... Unable to use mmc 1:1... In: serial
Out: serial
Err: serial
Net: No ethernet found.
starting USB...
USB0: A charger is plugged into the OTG: Port not available.
USB1: USB EHCI 1.00
USB2: USB EHCI 1.00
scanning bus 0 for devices... 1 USB Device(s) found
scanning bus 1 for devices... EHCI timed out on TD - token=0x80008d80
USB device not accepting new address (error=22)
1 USB Device(s) found
scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot: 0
=> mmcinfo
Card did not respond to voltage select!
=> mmc dev 1
switch to partitions #0, OK
mmc1(part 0) is current device
=> mmcinfo
Device: SUNXI SD/MMC
Manufacturer ID: 90
OEM: 14a
Name: H8G4a
Bus Speed: 52000000
Mode : MMC High Speed (52MHz)
Rd Block Len: 512
MMC version 5.1
High Capacity: Yes
Capacity: 7.3 GiB
Bus Width: 8-bit
Erase Group Size: 512 KiB
HC WP Group Size: 4 MiB
User Capacity: 7.3 GiB WRREL
Boot Capacity: 4 MiB ENH
RPMB Capacity: 4 MiB ENH
这是我自己编译的uboot2018版本使用sunxi-fel工具启动时的串口信息