On Thu, May 17, 2018 at 09:16:58AM +0100, Andre Przywara wrote: > This series tries to solve three issues we currently have on > Allwinner boards: > - The DRAM sizing routine can only cope with power-of-two sized DRAM. > - The DRAM sizing routine steps through all DRAM, possibly hitting secure > memory. > - The SPL header versioning is quite strict and tends to break every time > we need to update it. > > So I thought about introducing something along the lines of semantic > versioning[1], where we can add backwards-compatible changes to the SPL > header without breaking every tool. This is introduced in the first patch. > The second patch does some refactoring, so that the third patch can use > the newly gained freedom to store the DRAM size. The SPL knows the DRAM > size very well, so we store this in the SPL header, so that U-Boot proper > can pick it up from there. This saves the call to get_ram_size() with > its deficiencies. > More information in the respective commit messages. > > I understand that this versioning solution is not fully future-proof, but > we have only one byte for the version, and I just wanted to start > discussion on this. > There is a corresponding patch for sunxi-tools as well I am posting shortly. > > [1] https://semver.org
I'm not sure I have a lot of comments to make, this looks sane to me :) Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com
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