Hi Marek, On 10 July 2014 17:29, Marek Vasut <ma...@denx.de> wrote: > On Wednesday, July 09, 2014 at 05:37:58 AM, Simon Glass wrote: >> Driver model currently only operates after relocation is complete. In this >> state U-Boot typically has a small amount of memory available. In adding >> support for driver model prior to relocation we must try to use as little >> memory as possible. >> >> In addition, on some machines the memory has not be inited and/or the CPU >> is not running at full speed or the data cache is off. These can reduce >> execution performance, so the less initialisation that is done before >> relocation the better. >> >> An immediately-obvious improvement is to only initialise drivers which are >> actually going to be used before relocation. On many boards the only such >> driver is a serial UART, so this provides a very large potential benefit. >> >> Allow drivers to mark themselves as 'pre-reloc' which means that they will >> be initialised prior to relocation. This can be done either with a driver >> flag or with a 'dm,pre-reloc' device tree property. > > I think we should start marking those DT props something like 'u-boot,dm-pre- > reloc' instead . The same way as Linux marks it's own linux-specific DT props.
Yes good idea, I'll fix that. Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
