Re: [PATCH v3 08/14] hw/loongarch/virt: connect TPM to platform bus

[Stefan Berger <stefanb@linux.ibm.com>]

On 10/29/23 02:03, Joelle van Dyne wrote:
> Signed-off-by: Joelle van Dyne <j@getutm.app>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
> ---
>   hw/loongarch/virt.c  | 7 +++++++
>   hw/loongarch/Kconfig | 1 +
>   2 files changed, 8 insertions(+)
>
> diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
> index 4b7dc67a2d..feed0f8bbf 100644
> --- a/hw/loongarch/virt.c
> +++ b/hw/loongarch/virt.c
> @@ -1004,6 +1004,13 @@ static void loongarch_machine_device_plug_cb(HotplugHandler *hotplug_dev,
>       } else if (memhp_type_supported(dev)) {
>           virt_mem_plug(hotplug_dev, dev, errp);
>       }
> +
> +#ifdef CONFIG_TPM
> +    if (object_dynamic_cast(OBJECT(dev), TYPE_TPM_IF)) {
> +        tpm_sysbus_plug(TPM_IF(dev), OBJECT(lams->platform_bus_dev),
> +                        VIRT_PLATFORM_BUS_BASEADDRESS);
> +    }
> +#endif
>   }
>
>   static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine,
> diff --git a/hw/loongarch/Kconfig b/hw/loongarch/Kconfig
> index 5727efed6d..25da190ffc 100644
> --- a/hw/loongarch/Kconfig
> +++ b/hw/loongarch/Kconfig
> @@ -5,6 +5,7 @@ config LOONGARCH_VIRT
>       imply VIRTIO_VGA
>       imply PCI_DEVICES
>       imply NVDIMM
> +    imply TPM_TIS_SYSBUS
>       select SERIAL
>       select VIRTIO_PCI
>       select PLATFORM_BUS