Hi, > From: Marek Vasut <ma...@denx.de> > Sent: vendredi 27 mars 2020 19:21 > > On 3/27/20 4:35 PM, Patrick DELAUNAY wrote: > > Hi Marek, > > Hi, > > [...] > > >>> I would like to see patches to enable the cache. We did this some > >>> years ago in a Chromebook and it made a big difference. It is not > >>> that hard. > >> > >> ACK. Why did the chromebook patches never make it upstream ? > > > > Work in progress > > https://gitlab.denx.de/u-boot/custodians/u-boot-stm/-/commit/3399fb37c > > 3b7db6e99118766c4d1cd5e742ecc8f > > > > with improvements > > > > For example, the result on STM32MP157C-DK2 board is: > > 1,6s gain for trusted boot chain with TF-A > > 2,2s gain for basic boot chain with SPL > > > > I will push this patch after sanity checks (ARM requirement on TLB / > > cache update with MMU activated). > > Nice, thanks. CC me when submitting it.
I check the dcache and MMU sequence with my patch and it is correctly handled in SPL and U-Boot pre-reloc. So the I send my my patch today: "arm: stm32mp1: activate data cache in SPL and before relocation" http://patchwork.ozlabs.org/patch/1263815/ > [...] > > -- > Best regards, > Marek Vasut Regards Patrick