On Thu, May 05, 2016 at 05:30:55PM +0100, Grant Likely wrote: > On Thu, May 5, 2016 at 4:59 PM, Mark Brown <broo...@kernel.org> wrote: > > On Thu, May 05, 2016 at 09:01:05PM +0530, Amit Kucheria wrote: > >> On Thu, May 5, 2016 at 5:15 PM, Marcin Juszkiewicz > > > >> > Solution for existing SoCs is usually adding 1MB of SPI flash during > >> > design > >> > phase of device and store boot loader(s) there. But it is so expensive > >> > someone would say when it is in 10-30 cents range... > > > >> > Even 96boards CE specification totally ignored that fact while it could > >> > be a > >> > way of showing how to make popular board. Instead it became > >> > yet-another-board-to-laugh (EE spec did not improve much). > > > >> > Is there a way to get it improved? At least for new designs? > > > >> Yes! I've added this suggestion to a list of suggestions for evolution > >> of the 96boards spec. > > > > We already went round the houses repeatedly on that one :( > > It's not so dismal as all that! With the board size and price point > the CE spec aims at, it is very unlikely that vendors will build > boards with a separate storage device for FW.* However, by and large > these platforms will be built with eMMC and eMMC has a separate boot > area that is logically separate from the main pool. We can add a > requirement for future versions to boot from the boot area when > booting from eMMC.
Saying that supporting the eMMC boot partitions shall be bootable AND documenting how the various relevant EXT_CSD flags need to be set be public is important. It won't do everyone good if you can't program the board to boot from the boot partition. -- Tom _______________________________________________ cross-distro mailing list cross-distro@lists.linaro.org https://lists.linaro.org/mailman/listinfo/cross-distro
