On 04/30/2018 10:26 AM, Chang, Abner (HPS SW/FW Technologist) wrote: >> On 30 April 2018 at 16:00, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote: >>> On 30 April 2018 at 15:57, Chang, Abner (HPS SW/FW Technologist) >> Also, eMMC controllers (which are more widely used on mobile platforms as >> the only available storage controller) use DMA under the OS, which >> complicates things even further when attempting to share such a controller >> between the OS and the firmware.
** > Agree with this. May need other implementations like cache in memory during > boot service and write back to partition by OS for this case. Strongly agree here. Working out such a procedure is the best option for platforms that do not have a dedicated SPI/I2C storage option that can be dedicated to firmware. _______________________________________________ boot-architecture mailing list boot-architecture@lists.linaro.org https://lists.linaro.org/mailman/listinfo/boot-architecture
