aboutsummaryrefslogtreecommitdiff
path: root/hw/ppc/spapr_pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/ppc/spapr_pci.c')
-rw-r--r--hw/ppc/spapr_pci.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 617b7f3fdd..cb7c351474 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1387,7 +1387,7 @@ static void spapr_phb_finish_realize(sPAPRPHBState *sphb, Error **errp)
sPAPRTCETable *tcet;
uint32_t nb_table;
- nb_table = SPAPR_PCI_DMA32_SIZE >> SPAPR_TCE_PAGE_SHIFT;
+ nb_table = sphb->dma_win_size >> SPAPR_TCE_PAGE_SHIFT;
tcet = spapr_tce_new_table(DEVICE(sphb), sphb->dma_liobn,
0, SPAPR_TCE_PAGE_SHIFT, nb_table, false);
if (!tcet) {
@@ -1397,7 +1397,7 @@ static void spapr_phb_finish_realize(sPAPRPHBState *sphb, Error **errp)
}
/* Register default 32bit DMA window */
- memory_region_add_subregion(&sphb->iommu_root, 0,
+ memory_region_add_subregion(&sphb->iommu_root, sphb->dma_win_addr,
spapr_tce_get_iommu(tcet));
}
@@ -1430,6 +1430,9 @@ static Property spapr_phb_properties[] = {
SPAPR_PCI_IO_WIN_SIZE),
DEFINE_PROP_BOOL("dynamic-reconfiguration", sPAPRPHBState, dr_enabled,
true),
+ /* Default DMA window is 0..1GB */
+ DEFINE_PROP_UINT64("dma_win_addr", sPAPRPHBState, dma_win_addr, 0),
+ DEFINE_PROP_UINT64("dma_win_size", sPAPRPHBState, dma_win_size, 0x40000000),
DEFINE_PROP_END_OF_LIST(),
};