#qi-hardware IRC log for Tuesday, 2015-12-22

mthyes, the OD kernel is a raw binary00:28
CYB3RMaybe there is compiled ELF kernel which will print something to UART just so I will know that it works?00:35
CYB3RAnyone here got working ELF kernel for JZ4725B?12:45
larsca working kernel just for the SoC wont really get you anywhere as long as the kernel does not know about your board12:46
CYB3Rlarsc: I want to load it and get some output on UART, just to know it works13:35
larscyea, but still you have to know the ram setup etc.13:36
larschttp://downloads.qi-hardware.com/software/images/Ben_NanoNote_2GB_NAND/latest/ has kernel images13:38
CYB3Rlarsc: i thought that ram setup is only handled by loader, not the kernel16:32
CYB3RHow do I tell the kernel my RAM configuration?16:33
mththere is a mem= kernel command line argument17:00
mthbut if jz4725b is using the 4740 kernel, then the autodetection code I added some years ago should work17:01
mththat reads the SDRAM controller regs to get the memory size17:01
CYB3Rmth: interesting17:02
CYB3Rwhat exact parameters do I need to set?17:02
mththe autodetect was added in commit 6edde02476, you can see the bits used there17:03
CYB3Rokay, I'll check it out17:04
CYB3Rmth: is it the commit in openwrt-xburst repo?17:09
mthCYB3R: it's in the mainline Linux kernel17:23
--- Wed Dec 23 201500:00

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