This is the boot sequence:
U-Boot 1.1.3 (May 26 2012 - 19:08:45)
Board: Ralink APSoC DRAM: 16 MB
relocate_code Pointer at: 80fb4000
spi_wait_nsec: 42
spi device id: ef 40 17 0 0 (40170000)
find flash: W25Q64BV
raspi_read: from:30000 len:1000
.*** Warning - bad CRC, using default environment
============================================
Ralink UBoot Version: 4.0.0.0
--------------------------------------------
ASIC 5350_MP (Port5<->None)
DRAM_CONF_FROM: Boot-Strapping
DRAM_TYPE: SDRAM
DRAM_SIZE: 128 Mbits
DRAM_WIDTH: 16 bits
DRAM_TOTAL_WIDTH: 16 bits
TOTAL_MEMORY_SIZE: 16 MBytes
Flash component: SPI Flash
Date:May 26 2012 Time:19:08:45
============================================
icache: sets:256, ways:4, linesz:32 ,total:32768
dcache: sets:128, ways:4, linesz:32 ,total:16384
##### The CPU freq = 360 MHZ ####
estimate memory size =16 Mbytes
Please choose the operation:
1: Load system code to SDRAM via TFTP.
2: Load system code then write to Flash via TFTP.
3: Boot system code via Flash (default).
4: Entr boot command line interface.
7: Load Boot Loader code then write to Flash via Serial.
9: Load Boot Loader code then write to Flash via TFTP. 0
3: System Boot system code via Flash.
## Booting image at bc050000 ...
raspi_read: from:50000 len:40
. Image Name: Linux Kernel Image
Created: 2012-09-15 3:04:29 UTC
Image Type: MIPS Linux Kernel Image (lzma compressed)
Data Size: 3707354 Bytes = 3.5 MB
Load Address: 80000000
Entry Point: 80279000
raspi_read: from:50040 len:3891da
......................................................... Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
No initrd
## Transferring control to Linux (at address 80279000) ...
## Giving linux memsize in MB, 16
Starting kernel ...
▒▒▒▒▒▒▒Mq▒▒f)▒▒Iyq&▒'▒N▒@A&y