Hi Apoorv. Is the Flash CFI complient?
The sharp flash that commes with the ADS8260 board is not. /Tore apoorv sangal wrote: >Hi All, > I am porting Linux on the custom board PMC8266 (having MPC8266 >microprocessor) based on the ADS8260 board.I am using ELDK1.1.1 and >Linux2.4.24. > >I am trying to load JFFS2 filesystem , the JFFS2 filesystem image is >at address 0xFC160000 and the flash size is 32mb > >I am getting the following messages:- >physmap flash device: 2000000 at fc160000 > >CFI: Found no Physically mapped flash device at location zero > >kmod: failed to exec /sbin/modprobe -s -k jedec_probe, errno = 2 > >kmod: failed to exec /sbin/modprobe -s -k map_rom, errno = 2 > >pmc8260 flash map (size->0x2000000 mem->0xFC160000) > >CFI: Found no pmc8260 flash memory device at location zero > >Can anyone please tell me what is happening and how can i set it right?? > >***************************************************************************** >The whole of captured output is as following:- >***************************************************************************** >Image Name: 2.4.24 ADS8260 > Image Type: PowerPC Linux Kernel Image (gzip compressed) > Data Size: 302270 Bytes = 295.2 kB > Load Address: 00000000 > Entry Point: 00000000 > Verifying Checksum ... OK > Uncompressing Kernel Image ... > >Linux version 2.4.24-pre2 (satyam at pmcserver) (gcc version 3.2.2 >20030217 (Yellow Dog Linux 3.0 3.2.2-2a_1)) #20 Fri Aug 5 15:22:28 IST >2005 > >On node 0 totalpages: 32768 > >zone(0): 32768 pages. > >zone(1): 0 pages. > >zone(2): 0 pages. > >Kernel command line: console=ttyS0,115200 root=FC160000 rw rootfstype=jffs2 > >Warning: real time clock seems stuck! > >Calibrating delay loop... 131.89 BogoMIPS > >Memory: 128712k available (512k kernel code, 260k data, 36k init, 0k highmem) > >Dentry cache hash table entries: 16384 (order: 5, 131072 bytes) > >Inode cache hash table entries: 8192 (order: 4, 65536 bytes) > >Mount cache hash table entries: 512 (order: 0, 4096 bytes) > >Buffer cache hash table entries: 8192 (order: 3, 32768 bytes) > >Page-cache hash table entries: 32768 (order: 5, 131072 bytes) > >POSIX conformance testing by UNIFIX > >Linux NET4.0 for Linux 2.4 > >Based upon Swansea University Computer Society NET3.039 > >Starting kswapd > >Inside Chr_dev_init > >CPM UART driver version 0.01 > >ttyS0 on SMC1 at 0x0000, BRG7 > >ttyS1 on SMC2 at 0x0040, BRG8 > >ttyS2 on SCC1 at 0x8000, BRG1 > >ttyS3 on SCC2 at 0x8100, BRG2 > >RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize > >physmap flash device: 2000000 at fc160000 > >CFI: Found no Physically mapped flash device at location zero > >kmod: failed to exec /sbin/modprobe -s -k jedec_probe, errno = 2 > >kmod: failed to exec /sbin/modprobe -s -k map_rom, errno = 2 > >pmc8260 flash map (size->0x2000000 mem->0xFC160000) > >CFI: Found no pmc8260 flash memory device at location zero > >***** > >VFS:test name = /dev/root > >VFS:fs_name = jffs2 > >VFS:root name = 00:00 > > **** > >kmod: failed to exec /sbin/modprobe -s -k jffs2, errno = 2 > >VFS:tried fs_name = jffs2 err = -19 > >VFS: Cannot open root device "FC160000" or 00:00 > >Please append a correct "root=" boot option > >Kernel panic: VFS: Unable to mount root fs on 00:00 > > <0>Rebooting in 180 seconds.. > >Response awaited from the list. > >Regards, >Apoorv Sangal >_______________________________________________ >Linuxppc-embedded mailing list >Linuxppc-embedded at ozlabs.org >https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >
