zynq7020 uboot调试信息解决
Xilinx First Stage Boot Loader
Release 2014.4 Jan 3 2018-17:06:39
Devcfg driver initialized
Silicon Version 3.1
Boot mode is SD
opening BOOT.BIN
SD: rc= 0
SD Init Done
opening BOOT.BIN is successful
Flash Base Address: 0xE0100000
Reboot status register: 0x60400000
Multiboot Register: 0x0000C000
Image Start Address: 0x00000000
Partition Header Offset:0x00000C80
Partition Count: 2
Partition Number: 1
Header Dump
Image Word Len: 0x00010C5A
Data Word Len: 0x00010C5A
Partition Word Len:0x00010C5A
Load Addr: 0x04000000
Exec Addr: 0x04000000
Partition Start: 0x000065D0
Partition Attr: 0x00000010
Partition Checksum Offset: 0x00000000
Section Count: 0x00000001
Checksum: 0xF7FC72C0
Application
Handoff Address: 0x04000000
In FsblHookBeforeHandoff function
SUCCESSFUL_HANDOFF
Release 2014.4 Jan 3 2018-17:06:39
Devcfg driver initialized
Silicon Version 3.1
Boot mode is SD
opening BOOT.BIN
SD: rc= 0
SD Init Done
opening BOOT.BIN is successful
Flash Base Address: 0xE0100000
Reboot status register: 0x60400000
Multiboot Register: 0x0000C000
Image Start Address: 0x00000000
Partition Header Offset:0x00000C80
Partition Count: 2
Partition Number: 1
Header Dump
Image Word Len: 0x00010C5A
Data Word Len: 0x00010C5A
Partition Word Len:0x00010C5A
Load Addr: 0x04000000
Exec Addr: 0x04000000
Partition Start: 0x000065D0
Partition Attr: 0x00000010
Partition Checksum Offset: 0x00000000
Section Count: 0x00000001
Checksum: 0xF7FC72C0
Application
Handoff Address: 0x04000000
In FsblHookBeforeHandoff function
SUCCESSFUL_HANDOFF
FSBL Status = 0x1
问题二：
问题解决方式：
将SD卡的时钟配置成50M