On Fri, 25 Aug 2023 at 13:21, Jean-Christophe Dubois <j...@tribudubois.net> wrote: > > This patch adds a few unimplemented TZ devices (TZASC and CSU) to > i.MX6UL and i.MX7 processors to avoid bare metal application to > experiment "bus error" when acccessing these devices. > > It also adds some internal memory segments (OCRAM) to the i.MX7 to > allow bare metal application to use them. > > Last, it adds the SRC device to the i.MX7 processor to allow bare > metal application to start the secondary Cortex-A7 core. > > Note: When running Linux inside Qemu, the secondary core is started > by calling PSCI API and Qemu is emulating PSCI without needing access > to the SRC device. This is why Linux is using the 2 cores in Qemu > even if the SRC is not implemented. This is not the case when running > bare metal application (like u-boot itself) that do not rely on the > PSCI service being available.
Applied to target-arm.next, thanks. -- PMM