On 5/19/20 7:46 AM, Markus Armbruster wrote: > Joel Stanley <j...@jms.id.au> writes: > >> On Mon, 18 May 2020 at 12:24, Cédric Le Goater <c...@kaod.org> wrote: >>> >>> On 5/18/20 7:03 AM, Markus Armbruster wrote: >>>> The number of CPUs is controlled by property "num-cpus". >>>> aspeed_soc_ast2600_init() creates the maximum supported number. >>>> aspeed_soc_ast2600_realize() realizes only the wanted number. Works, >>>> although it leaves unrealized devices hanging around in the QOM >>>> composition tree. Affects machines ast2600-evb and tacoma-bmc. >>>> >>>> Make the init functions create only the wanted ones. Visible in "info >>>> qom-tree"; here's the change for ast2600-evb: >>>> >>>> /machine (ast2600-evb-machine) >>>> [...] >>>> /soc (ast2600-a1) >>>> [...] >>>> /cpu[0] (cortex-a7-arm-cpu) >>>> /unnamed-gpio-in[0] (irq) >>>> /unnamed-gpio-in[1] (irq) >>>> /unnamed-gpio-in[2] (irq) >>>> /unnamed-gpio-in[3] (irq) >>>> - /cpu[1] (cortex-a7-arm-cpu) >>>> - /unnamed-gpio-in[0] (irq) >>>> - /unnamed-gpio-in[1] (irq) >>>> - /unnamed-gpio-in[2] (irq) >>>> - /unnamed-gpio-in[3] (irq) >>>> /ehci[0] (platform-ehci-usb) >>>> >>>> Cc: "Cédric Le Goater" <c...@kaod.org> >>>> Cc: Peter Maydell <peter.mayd...@linaro.org> >>>> Cc: Andrew Jeffery <and...@aj.id.au> >>>> Cc: Joel Stanley <j...@jms.id.au> >>>> Cc: qemu-...@nongnu.org >>>> Signed-off-by: Markus Armbruster <arm...@redhat.com> >>> >>> Reviewed-by: Cédric Le Goater <c...@kaod.org> >>> >>> Joel, Andrew, >>> >>> Shouldn't we enforce a default/min/max number of CPUs of 2 for the AST2600 ? >>> That's the SoC definition. The fact it is configurable in the Aspeed model >>> was nice to have during bringup but we are now done. >> >> Agreed, we want there to always be two CPUs for the 2600. > > Follow-up patch welcome!
I just sent a patch on this topic. C.