Chris,
Below is what I see after I followed the instructions, would you please guide me to resolve this
=> sf probe 0:1 ; sf erase 100000 280000 ; sf write 0x08000000 100000 500000
SF: Dual SPI mode
SF: Detected S25FL512S_256K with page size 512 Bytes, erase size 256 KiB, total 64 MiB
Erase status: 100% 10 blocks erased.
SF: 2621440 bytes @ 0x100000 Erased: OK
Write status: 100%
SF: 5242880 bytes @ 0x100000 Written: OK
=> run xsa_boot
SF: Detected S25FL512S_256K with page size 512 Bytes, erase size 256 KiB, total 64 MiB
SF: 32768 bytes @ 0xc0000 Read: OK
Current Mode: Read Mode (3-byte Addr) (RZ/A1 reset value)
SF: Dual SPI mode
SF: Detected S25FL512S_256K with page size 512 Bytes, erase size 256 KiB, total 64 MiB
New Mode: Quad I/O Read Mode (4-byte Addr)
Booting Linux...
undefined instruction
pc : [<18200010>] lr : [<2096bfb4>]
sp : 208aac80 ip : 208ac231 fp : 208ac250
r10: 209a65c0 r9 : 208aaf08 r8 : 00000003
r7 : 208ac238 r6 : 00000000 r5 : 5cfd4b98 r4 : 09800000
r3 : 20988090 r2 : 09800000 r1 : 600001d3 r0 : 00000000
Flags: nZcv IRQs off FIQs off Mode SVC_32
Resetting CPU ...
resetting ...