Hello guys! I faced with a strange behaviour of u-boot. Few months ago i bought an ARM development board from yicsystem it's based on exynos 5250 and very similar to arndale http://www.yicsystem.com/products/low-cost-board/yse5250/
And i can boot Android ICS but when i try to boot any linux i always see
Checking Boot Mode ... SDMMC Now running in RAM - U-Boot at: c3e00000 REVISION: 1.0 REVISION: 1.0 MMC Device 0: 3839 MB NAME: S5P_MSHC0 MMC Device 1: 7348 MB MMC Device 2 not found Destroy Hash Table: c3f80f78 table = (null) Create Hash Table: N=512 INSERT: table c3f80f78, filled 1/521 rv c3d047a0 ==> name="baudrate" value="115200" INSERT: table c3f80f78, filled 2/521 rv c3d0582c ==> name="bootargs" value="root=/dev/mmcblk0p1" INSERT: table c3f80f78, filled 3/521 rv c3d04a1c ==> name="bootcmd" value="movi read kernel 0 40008000;movi read rootfs 0 41000000 100000;bootm 40008000 41000000" INSERT: table c3f80f78, filled 4/521 rv c3d04f20 ==> name="bootdelay" value="3" INSERT: table c3f80f78, filled 5/521 rv c3d04bfc ==> name="bootfile" value="/tftpboot/revoboot/bin/revoboot.pxe" INSERT: table c3f80f78, filled 6/521 rv c3d040a4 ==> name="emmcbootrecovery" value="mmc erase boot 1 0 0;emmc open 1;movi read fwbl1 0 40000000;movi write zero fwbl1 1 40000000;movi read bl2 0 40004000;movi write zero bl2 1 40004000;movi read u-boot 0 42000000;movi write zero u-boot 1 42000000;movi read tzsw 0 42100000;movi write zero tzsw 1 42100000;emmc close 1" INSERT: table c3f80f78, filled 7/521 rv c3d04998 ==> name="ethact" value="smc911x-0" INSERT: table c3f80f78, filled 8/521 rv c3d0462c ==> name="ethaddr" value="00:40:5c:26:0a:5b" INSERT: table c3f80f78, filled 9/521 rv c3d057a8 ==> name="gatewayip" value="192.168.0.1" INSERT: table c3f80f78, filled 10/521 rv c3d05874 ==> name="ipaddr" value="192.168.0.28" INSERT: table c3f80f78, filled 11/521 rv c3d048c0 ==> name="netmask" value="255.255.255.0" INSERT: table c3f80f78, filled 12/521 rv c3d05214 ==> name="rootfslen" value=" 100000" INSERT: table c3f80f78, filled 13/521 rv c3d048e4 ==> name="serverip" value="192.168.0.13" INSERT: free(data = c3d00010) INSERT: done Net: smc911x-0 ### main_loop entered: bootdelay=3
### main_loop: bootcmd="movi read kernel 0 40008000;movi read rootfs 0 41000000 100000;bootm 40008000 41000000" Hit any key to stop autoboot: 0 reading kernel..device 0 Start 1063, Count 16384 MMC read: dev # 0, block # 1063, count 16384 ... 16384 blocks read: OK completed reading RFS..device 0 Count 17447, Start 2048 MMC read: dev # 0, block # 17447, count 2048 ... 2048 blocks read: OK completed ## Current stack ends at 0xc3cfbd98 * kernel: cmdline image address = 0x40008000 ## Booting kernel from Legacy Image at 40008000 ... Image Name: Linux-3.12.0-rc1-armv7-x0.6-0012 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 3243400 Bytes = 3167 KiB Load Address: 40008000 Entry Point: 40008000 Verifying Checksum ... OK kernel data at 0x40008040, len = 0x00317d88 (3243400) * ramdisk: cmdline image address = 0x41000000 Wrong Ramdisk Image Format ramdisk start = 0x41000000, ramdisk end = 0x41000000 XIP Kernel Image ... OK OK kernel loaded at 0x40008000, end = 0x4031fd88 images.os.start = 0x40008000, images.os.end = 0x4031fdc8 images.os.load = 0x40008000, load_end = 0x4031fd88 *ERROR: booting os 'Unknown OS' (1) is not supported*
Unknown OS. But i do not understand what i should change to proceed. Any suggestions?