diff options
| -rw-r--r-- | hw/sd/sdhci.c | 18 | ||||
| -rw-r--r-- | include/hw/sd/sdhci.h | 1 |
2 files changed, 18 insertions, 1 deletions
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index dd400695e4..f9264d3be5 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1354,6 +1354,8 @@ static Property sdhci_sysbus_properties[] = { DEFINE_SDHCI_COMMON_PROPERTIES(SDHCIState), DEFINE_PROP_BOOL("pending-insert-quirk", SDHCIState, pending_insert_quirk, false), + DEFINE_PROP_LINK("dma", SDHCIState, + dma_mr, TYPE_MEMORY_REGION, MemoryRegion *), DEFINE_PROP_END_OF_LIST(), }; @@ -1367,6 +1369,11 @@ static void sdhci_sysbus_init(Object *obj) static void sdhci_sysbus_finalize(Object *obj) { SDHCIState *s = SYSBUS_SDHCI(obj); + + if (s->dma_mr) { + object_unparent(OBJECT(s->dma_mr)); + } + sdhci_uninitfn(s); } @@ -1380,7 +1387,12 @@ static void sdhci_sysbus_realize(DeviceState *dev, Error ** errp) return; } - s->dma_as = &address_space_memory; + if (s->dma_mr) { + address_space_init(s->dma_as, s->dma_mr, "sdhci-dma"); + } else { + /* use system_memory() if property "dma" not set */ + s->dma_as = &address_space_memory; + } sysbus_init_irq(sbd, &s->irq); sysbus_init_mmio(sbd, &s->iomem); @@ -1391,6 +1403,10 @@ static void sdhci_sysbus_unrealize(DeviceState *dev, Error **errp) SDHCIState *s = SYSBUS_SDHCI(dev); sdhci_common_unrealize(s, &error_abort); + + if (s->dma_mr) { + address_space_destroy(s->dma_as); + } } static void sdhci_sysbus_class_init(ObjectClass *klass, void *data) diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h index 4a102b86ce..cb37182536 100644 --- a/include/hw/sd/sdhci.h +++ b/include/hw/sd/sdhci.h @@ -42,6 +42,7 @@ typedef struct SDHCIState { SDBus sdbus; MemoryRegion iomem; AddressSpace *dma_as; + MemoryRegion *dma_mr; QEMUTimer *insert_timer; /* timer for 'changing' sd card. */ QEMUTimer *transfer_timer; |