On Mon, 4 Apr 2011 13:13:31 +0200 Juergen Beisert <jbe@xxxxxxxxxxxxxx> wrote: > Hi ZoltÃn, > > ZoltÃn KÃcsi wrote: > > Thanks for all the answers for my previous questions! > > > > The 'next' branch indeed boots from the NAND FLASH like a charm. > > \o/ > > Just for my list of tested min2440 variants: What type of SDRAMs and > NAND is your system using? The SDRAM is Micron 48LC16M16A2-75, the NAND is Samsung K9F1G08U0B. Actually, taking a look at the RAM datasheet of the reveals that with a 3 clock RAS->CAS latency the chip can can merrily work with a 133MHz bus clock, so the S3C's FCLK could be boosted up to 532MHz. A 30% speed increase is not something to sneeze on... >[...] > > "/env/config" for parameterization. Maybe these file will help you to > understand how it works. I'll try my bestto grok them :-) > So, the changes in your environment are lost after reboot? Yes. > Do you see any kind of error message (like CRC sum errors)? when > barebox comes up after reset and tries to load the saved environment? No. Here's what goes on, with unimportant stuff deleted: mini2440:/ printenv locals: machine=mini2440 [...] nfsroot=:/path/to/nfs/root [...] globals: PATH=/env/bin mini2440:/ nfsroot=/some/other/root mini2440:/ PATH=$PATH:/some/location mini2440:/ printenv locals: [...] nfsroot=/some/other/root [...] globals: PATH=/env/bin:/some/location mini2440:/ saveenv saving environment mini2440:/ reset barebox 2011.03.0-00081-g6402171 (Apr 3 2011 - 11:12:11) Board: Mini 2440 registered netconsole as cs1 NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bit) Bad block table found at page 65472, version 0x01 Bad block table found at page 65408, version 0x01 dm9000 i/o: 0x20000300, id: 0x90000a46 eth@eth0: got MAC address from EEPROM: 00:00:00:00:00:00 refclk: 12000 kHz mpll: 405000 kHz upll: 48000 kHz fclk: 405000 kHz hclk: 101250 kHz pclk: 50625 kHz SDRAM1: CL2@101MHz Malloc space: 0x33a00000 -> 0x33e00000 (size 4 MB) Stack space : 0x339f8000 -> 0x33a00000 (size 32 kB) running /env/bin/init... Hit any key to stop autoboot: 3 type update_kernel [<imagename>] to update kernel into flash type update_root [<imagename>] to update rootfs into flash mini2440:/ printenv locals: [...] nfsroot=:/path/to/nfs/root [...] globals: PATH=/env/bin mini2440:/ No error message, nothing. Zoltan _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
