[Skiboot] [PATCH] plat/qemu: add a POWER10 platform

[Oliver O'Halloran]

On Tue, Nov 5, 2019 at 9:42 PM Cédric Le Goater <clg at kaod.org> wrote:
>
> Prepare ground for the QEMU simulator which will export "qemu,powernv10"
> machines when available. BMC is still defined as ast2500 but it should
> change to ast2600 in the future.
>
> Signed-off-by: Cédric Le Goater <clg at kaod.org>
> ---
>  core/chip.c           |  3 ++-
>  platforms/qemu/qemu.c | 22 ++++++++++++++++++++++
>  2 files changed, 24 insertions(+), 1 deletion(-)
>
> diff --git a/core/chip.c b/core/chip.c
> index 45733573b6e1..7ec68d8a50f4 100644
> --- a/core/chip.c
> +++ b/core/chip.c
> @@ -132,7 +132,8 @@ void init_chips(void)
>         /* Detect Qemu */
>         if (dt_node_is_compatible(dt_root, "qemu,powernv") ||
>             dt_node_is_compatible(dt_root, "qemu,powernv8") ||
> -           dt_node_is_compatible(dt_root, "qemu,powernv9")) {
> +           dt_node_is_compatible(dt_root, "qemu,powernv9") ||
> +           dt_node_is_compatible(dt_root, "qemu,powernv10")) {

Can we fix QEMU to always provide the generic "qemu,powernv"
compatible in addition to the generation specific one? This is getting
a bit absurd.

>                 proc_chip_quirks |= QUIRK_QEMU | QUIRK_NO_CHIPTOD
>                         | QUIRK_NO_DIRECT_CTL | QUIRK_NO_RNG;
>                 prlog(PR_NOTICE, "CHIP: Detected QEMU simulator\n");
> diff --git a/platforms/qemu/qemu.c b/platforms/qemu/qemu.c
> index 757c086d4a22..4a0e6a489b97 100644
> --- a/platforms/qemu/qemu.c
> +++ b/platforms/qemu/qemu.c
> @@ -42,6 +42,11 @@ static bool qemu_probe_powernv9(void)
>         return qemu_probe_common("qemu,powernv9");
>  }
>
> +static bool qemu_probe_powernv10(void)
> +{
> +       return qemu_probe_common("qemu,powernv10");
> +}
> +
>  static void qemu_init(void)
>  {
>         if (!bt_device_present) {
> @@ -96,3 +101,20 @@ DECLARE_PLATFORM(qemu_powernv9) = {
>         .exit                   = astbmc_exit,
>         .terminate      = ipmi_terminate,
>  };
> +
> +/*
> + * For a QEMU PowerNV machine using POWER10 CPUs (Rainier)
> + */
> +DECLARE_PLATFORM(qemu_powernv10) = {
> +       .name           = "QEMU POWER10",
> +       .probe          = qemu_probe_powernv10,
> +       .bmc            = &bmc_plat_ast2500_openbmc,
> +       .init           = qemu_init,
> +       .external_irq   = astbmc_ext_irq_serirq_cpld,
> +       .cec_power_down = astbmc_ipmi_power_down,
> +       .cec_reboot     = astbmc_ipmi_reboot,
> +       .start_preload_resource = flash_start_preload_resource,
> +       .resource_loaded        = flash_resource_loaded,
> +       .exit                   = astbmc_exit,
> +       .terminate      = ipmi_terminate,
> +};
> --
> 2.21.0
>