diff options
Diffstat (limited to 'hw/xive.c')
| -rw-r--r-- | hw/xive.c | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -487,6 +487,9 @@ struct xive { void *q_ovf; }; +#define XIVE_CAN_STORE_EOI(x) \ + (XIVE_STORE_EOI_ENABLED && ((x)->rev >= XIVE_REV_2)) + /* Global DT node */ static struct dt_node *xive_dt_node; @@ -1751,7 +1754,11 @@ static bool xive_config_init(struct xive *x) /* Enable StoreEOI */ val = xive_regr(x, VC_SBC_CONFIG); - val |= VC_SBC_CONF_CPLX_CIST | VC_SBC_CONF_CIST_BOTH; + if (XIVE_CAN_STORE_EOI(x)) + val |= VC_SBC_CONF_CPLX_CIST | VC_SBC_CONF_CIST_BOTH; + else + xive_dbg(x, "store EOI is disabled\n"); + val |= VC_SBC_CONF_NO_UPD_PRF; xive_regw(x, VC_SBC_CONFIG, val); @@ -2797,7 +2804,7 @@ void xive_register_ipi_source(uint32_t base, uint32_t count, void *data, assert(s); /* Store EOI supported on DD2.0 */ - if (x->rev >= XIVE_REV_2) + if (XIVE_CAN_STORE_EOI(x)) flags |= XIVE_SRC_STORE_EOI; /* Callbacks assume the MMIO base corresponds to the first @@ -2905,7 +2912,7 @@ static struct xive *init_one_xive(struct dt_node *np) /* Register built-in source controllers (aka IPIs) */ flags = XIVE_SRC_EOI_PAGE1 | XIVE_SRC_TRIGGER_PAGE; - if (x->rev >= XIVE_REV_2) + if (XIVE_CAN_STORE_EOI(x)) flags |= XIVE_SRC_STORE_EOI; __xive_register_source(x, &x->ipis, x->int_base, x->int_hw_bot - x->int_base, IPI_ESB_SHIFT, |