On Mon, Aug 09, 2021 at 03:45:34PM +0200, Cédric Le Goater wrote:
> Still needs some refinements on the XSCOM registers.
>
> Signed-off-by: Cédric Le Goater <c...@kaod.org>
> ---
> include/hw/ppc/pnv.h | 3 +++
> hw/ppc/pnv.c | 34 ++++++++++++++++++++++++++++++++++
> 2 files changed, 37 insertions(+)
>
> diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
> index a299fbc7f25c..13495423283a 100644
> --- a/include/hw/ppc/pnv.h
> +++ b/include/hw/ppc/pnv.h
> @@ -128,6 +128,9 @@ struct Pnv10Chip {
> Pnv9Psi psi;
> PnvLpcController lpc;
> PnvOCC occ;
> +
> + uint32_t nr_quads;
> + PnvQuad *quads;
> };
>
> #define PNV10_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
> diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
> index f75d90e61fa8..f670d97c5f91 100644
> --- a/hw/ppc/pnv.c
> +++ b/hw/ppc/pnv.c
> @@ -1605,6 +1605,34 @@ static void pnv_chip_power10_instance_init(Object *obj)
> object_initialize_child(obj, "occ", &chip10->occ, TYPE_PNV10_OCC);
> }
>
> +
> +static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp)
> +{
> + PnvChip *chip = PNV_CHIP(chip10);
> + int i;
> +
> + chip10->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4);
> + chip10->quads = g_new0(PnvQuad, chip10->nr_quads);
> +
> + for (i = 0; i < chip10->nr_quads; i++) {
> + char eq_name[32];
> + PnvQuad *eq = &chip10->quads[i];
> + PnvCore *pnv_core = chip->cores[i * 4];
> + int core_id = CPU_CORE(pnv_core)->core_id;
> +
> + snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id);
> + object_initialize_child_with_props(OBJECT(chip), eq_name, eq,
> + sizeof(*eq), TYPE_PNV_QUAD,
> + &error_fatal, NULL);
> +
> + object_property_set_int(OBJECT(eq), "id", core_id, &error_fatal);
"id" might not be a good name for this, since "id" on QOM objects is
nearly always the (usually) user assigned name - which is a string.
> + qdev_realize(DEVICE(eq), NULL, &error_fatal);
> +
> + pnv_xscom_add_subregion(chip, PNV10_XSCOM_EQ_BASE(eq->id),
> + &eq->xscom_regs);
> + }
> +}
> +
> static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
> {
> PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
> @@ -1626,6 +1654,12 @@ static void pnv_chip_power10_realize(DeviceState *dev,
> Error **errp)
> return;
> }
>
> + pnv_chip_power10_quad_realize(chip10, &local_err);
> + if (local_err) {
> + error_propagate(errp, local_err);
> + return;
> + }
> +
> /* XIVE2 interrupt controller (POWER10) */
> object_property_set_int(OBJECT(&chip10->xive), "ic-bar",
> PNV10_XIVE2_IC_BASE(chip), &error_fatal);
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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