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Re: [PATCH 04/11] hw/ppc/mpc8544ds: Add platform bus


From: Bin Meng
Subject: Re: [PATCH 04/11] hw/ppc/mpc8544ds: Add platform bus
Date: Fri, 16 Sep 2022 14:15:53 +0800

On Thu, Sep 15, 2022 at 11:29 PM Bernhard Beschow <shentey@gmail.com> wrote:
>
> Models the real device more closely.

Please describe the source (e.g.: I assume it's MPC8544DS board manual
or something like that?) that describe such memory map for the
platform bus.

Is this the eLBC bus range that includes the NOR flash device?

>
> Signed-off-by: Bernhard Beschow <shentey@gmail.com>
> ---
>  hw/ppc/mpc8544ds.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/hw/ppc/mpc8544ds.c b/hw/ppc/mpc8544ds.c
> index 81177505f0..cd6cd04bef 100644
> --- a/hw/ppc/mpc8544ds.c
> +++ b/hw/ppc/mpc8544ds.c
> @@ -14,6 +14,7 @@
>  #include "sysemu/device_tree.h"
>  #include "hw/ppc/openpic.h"
>  #include "qemu/error-report.h"
> +#include "qemu/units.h"
>  #include "cpu.h"
>
>  static void mpc8544ds_fixup_devtree(void *fdt)
> @@ -45,6 +46,11 @@ static void e500plat_machine_class_init(ObjectClass *oc, 
> void *data)
>      pmc->pci_nr_slots = 2;
>      pmc->fixup_devtree = mpc8544ds_fixup_devtree;
>      pmc->mpic_version = OPENPIC_MODEL_FSL_MPIC_20;
> +    pmc->has_platform_bus = true;
> +    pmc->platform_bus_base = 0xEC000000ULL;
> +    pmc->platform_bus_size = 128 * MiB;
> +    pmc->platform_bus_first_irq = 5;
> +    pmc->platform_bus_num_irqs = 10;
>      pmc->ccsrbar_base = 0xE0000000ULL;
>      pmc->pci_mmio_base = 0xC0000000ULL;
>      pmc->pci_mmio_bus_base = 0xC0000000ULL;
> --

Regards,
Bin



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