diff options
Diffstat (limited to 'hw/phb4.c')
| -rw-r--r-- | hw/phb4.c | 18 |
1 files changed, 14 insertions, 4 deletions
@@ -145,6 +145,9 @@ static void phb4_init_hw(struct phb4 *p, bool first_init); #define PHBLOGCFG(p, fmt, a...) do {} while (0) #endif +#define PHB4_CAN_STORE_EOI(p) \ + (XIVE_STORE_EOI_ENABLED && ((p)->rev >= PHB4_REV_NIMBUS_DD20)) + static bool verbose_eeh; static bool pci_tracing; static bool pci_eeh_mmio; @@ -4660,7 +4663,8 @@ static void phb4_init_hw(struct phb4 *p, bool first_init) val |= SETFIELD(PHB_CTRLR_TVT_ADDR_SEL, 0ull, TVT_DD1_2_PER_PE); } else { val |= SETFIELD(PHB_CTRLR_TVT_ADDR_SEL, 0ull, TVT_2_PER_PE); - val |= PHB_CTRLR_IRQ_STORE_EOI; + if (PHB4_CAN_STORE_EOI(p)) + val |= PHB_CTRLR_IRQ_STORE_EOI; } if (!pci_eeh_mmio) @@ -5255,10 +5259,16 @@ static void phb4_create(struct dt_node *np) /* Load capp microcode into capp unit */ load_capp_ucode(p); - /* Register all interrupt sources with XIVE */ - irq_flags = XIVE_SRC_SHIFT_BUG | XIVE_SRC_TRIGGER_PAGE; - if (p->rev >= PHB4_REV_NIMBUS_DD20) + /* Compute XIVE source flags depending on PHB revision */ + irq_flags = 0; + if (p->rev == PHB4_REV_NIMBUS_DD10) + irq_flags |= XIVE_SRC_SHIFT_BUG; + if (PHB4_CAN_STORE_EOI(p)) irq_flags |= XIVE_SRC_STORE_EOI; + else + irq_flags |= XIVE_SRC_TRIGGER_PAGE; + + /* Register all interrupt sources with XIVE */ xive_register_hw_source(p->base_msi, p->num_irqs - 8, 16, p->int_mmio, irq_flags, NULL, NULL); |