Hi all,
newbie needs help.
I try to get up a custom board (MPC857T; SDRAM 16MB; ttyS0:SMC1; eth0:SCC1). I have ported U-Boot-1.1.1 and the kernel (2.4.20...) but the kernel seems to fail mounting the RAM disk as rootfs. Has anyone an idea what's wrong?
Thanks in advance Oliver
some helpful prints:
--- U-Boot 1.1.1 (Jun 18 2004 - 11:44:16)
CPU: unknown MPC86x (0x06000000) at 50 MHz: 4 kB I-Cache 4 kB D-Cache FEC present *** Warning: CPU Core has Silicon Bugs -- Check the Errata *** ONU-S I2C: ready DRAM: 16 MB RAM test passed Top of RAM usable for U-Boot at: 01000000 Reserving 159k for U-Boot at: 00fd8000 Reserving 1028k for malloc() at: 00ed7000 Reserving 60 Bytes for Board Info at: 00ed6fc4 Reserving 48 Bytes for Global Data at: 00ed6f94 Stack Pointer at: 00ed6f78 New Stack Pointer is: 00ed6f78 relocate_code( 00ed6f78, 00ed6f94, 00fd8000 Now running in RAM - U-Boot at: 00fd8000 ... => setenv serverip 192.168.156.22 => setenv ipaddr 192.168.156.40 => setenv bootargs root=/dev/ram0 => tftpboot 00100000 oliver/uImage Using SCC ETHERNET device Load address: 0x100000 Loading:...done => tftpboot 00200000 oliver/rootfs Using SCC ETHERNET device Load address: 0x200000 Loading: ...done => bootm 00100000 00200000 ## Booting image at 00100000 ... Image Name: Linux-2.4.20-rthal5 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 558103 Bytes = 545 kB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK Uncompressing Kernel Image ... OK ## Loading RAMDisk Image at 00200000 ... Image Name: Ramdisk image from eldk Image Type: PowerPC Linux RAMDisk Image (gzip compressed) Data Size: 1459536 Bytes = 1.4 MB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK Loading Ramdisk to 00d71000, end 00ed5550 ... OK Linux version 2.4.20-rthal5 (oliver@r522susi) (gcc version 2.95.4
20010319 (prerelease/franzo/20011204)) #13 Mo Jun 14 1 3:35:42 CEST 2004 On node 0 totalpages: 4096 zone(0): 4096 pages. zone(1): 0 pages. zone(2): 0 pages. Kernel command line: root=/dev/ram0 Decrementer Frequency = 187500000/60 Warning: real time clock seems stuck! Calibrating delay loop... 49.76 BogoMIPS Memory: 14764k available (1044k kernel code, 328k data, 44k init, 0k highmem) ... RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize loop: loaded (max 8 devices) NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP IP: routing cache hash table of 512 buckets, 4Kbytes TCP: Hash tables configured (established 1024 bind 1024) NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. mounting empty RAMFS as root fs SUCCESS VFS: Mounted root (ramfs filesystem). Freeing unused kernel memory: 44k init Warning: unable to open an initial console. Kernel panic: No init found. Try passing init= option to kernel. Rebooting in 180 seconds..