diff options
| author | Cédric Le Goater <clg@kaod.org> | 2021-12-17 17:57:19 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2021-12-17 17:57:19 +0100 |
| commit | cf0ee6955cc2f7f256e44c4f8198f69aae6ea39c (patch) | |
| tree | 7aa04d5bf810114993a045d7a356f8f7d20a9bb6 /hw/pci-host | |
| parent | 6f43d2551fba2569e67c8c1ac4e8768a566738eb (diff) | |
ppc/pnv: Introduce a num_stack class attribute
Each PEC device of the POWER9 chip has a predefined number of stacks,
equivalent of a root port complex:
PEC0 -> 1 stack
PEC1 -> 2 stacks
PEC2 -> 3 stacks
Introduce a class attribute to hold these values and remove the
"num-stacks" property.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211213132830.108372-11-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/pci-host')
| -rw-r--r-- | hw/pci-host/pnv_phb4_pec.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c index 4b32b5ae6e..293909b5cb 100644 --- a/hw/pci-host/pnv_phb4_pec.c +++ b/hw/pci-host/pnv_phb4_pec.c @@ -377,6 +377,7 @@ static void pnv_pec_instance_init(Object *obj) static void pnv_pec_realize(DeviceState *dev, Error **errp) { PnvPhb4PecState *pec = PNV_PHB4_PEC(dev); + PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); char name[64]; int i; @@ -387,6 +388,8 @@ static void pnv_pec_realize(DeviceState *dev, Error **errp) return; } + pec->num_stacks = pecc->num_stacks[pec->index]; + /* Create stacks */ for (i = 0; i < pec->num_stacks; i++) { PnvPhb4PecStack *stack = &pec->stacks[i]; @@ -465,7 +468,6 @@ static int pnv_pec_dt_xscom(PnvXScomInterface *dev, void *fdt, static Property pnv_pec_properties[] = { DEFINE_PROP_UINT32("index", PnvPhb4PecState, index, 0), - DEFINE_PROP_UINT32("num-stacks", PnvPhb4PecState, num_stacks, 0), DEFINE_PROP_UINT32("chip-id", PnvPhb4PecState, chip_id, 0), DEFINE_PROP_LINK("chip", PnvPhb4PecState, chip, TYPE_PNV_CHIP, PnvChip *), @@ -484,6 +486,13 @@ static uint32_t pnv_pec_xscom_nest_base(PnvPhb4PecState *pec) return PNV9_XSCOM_PEC_NEST_BASE + 0x400 * pec->index; } +/* + * PEC0 -> 1 stack + * PEC1 -> 2 stacks + * PEC2 -> 3 stacks + */ +static const uint32_t pnv_pec_num_stacks[] = { 1, 2, 3 }; + static void pnv_pec_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -508,6 +517,7 @@ static void pnv_pec_class_init(ObjectClass *klass, void *data) pecc->stk_compat_size = sizeof(stk_compat); pecc->version = PNV_PHB4_VERSION; pecc->device_id = PNV_PHB4_DEVICE_ID; + pecc->num_stacks = pnv_pec_num_stacks; } static const TypeInfo pnv_pec_type_info = { |