Hi Zhiqiang, On Thu, 25 Jul 2024 at 03:32, Zhiqiang Hou <zhiqiang....@nxp.com> wrote: > > From: Hou Zhiqiang <zhiqiang....@nxp.com> > > Add a new subcommand 'release' to bring up a core to run baremetal > and RTOS applications. > > For example on i.MX8M Plus EVK, release the LAST core to run a RTOS > application, passing the sequence number of the CPU core to release, > here it is 3: > u-boot=> cpu list > 0: cpu@0 NXP i.MX8MP Rev1.1 A53 at 1200 MHz at 31C > > 1: cpu@1 NXP i.MX8MP Rev1.1 A53 at 1200 MHz at 30C > > 2: cpu@2 NXP i.MX8MP Rev1.1 A53 at 1200 MHz at 31C > > 3: cpu@3 NXP i.MX8MP Rev1.1 A53 at 1200 MHz at 31C > > u-boot=> load mmc 1:2 C0000000 /hello_world.bin > 66008 bytes read in 5 ms (12.6 MiB/s) > u-boot=> dcache flush; icache flush > u-boot=> cpu release 3 C0000000 > Released CPU core (mpidr: 0x3) to address 0xc0000000 > > Signed-off-by: Hou Zhiqiang <zhiqiang....@nxp.com> > --- > V2: > - No change. > > cmd/cpu.c | 44 ++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 42 insertions(+), 2 deletions(-)
Reviewed-by: Simon Glass <s...@chromium.org> While you are here, would you mind adding a doc/usage/cmd/cpu.rst as that is missing.
