diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
index 582b7cc976b1f262723552d85346f58f46835750..f64787e904cb6eaea664a388c84e3b9318ba39f2 100644
--- a/hw/dma/sparc32_dma.c
+++ b/hw/dma/sparc32_dma.c
@@ -160,12 +160,6 @@ static uint64_t dma_mem_read(void *opaque, hwaddr addr,
     DMADeviceState *s = opaque;
     uint32_t saddr;
 
-    if (s->is_ledma && (addr > DMA_MAX_REG_OFFSET)) {
-        /* aliased to espdma, but we can't get there from here */
-        /* buggy driver if using undocumented behavior, just return 0 */
-        trace_sparc32_dma_mem_readl(addr, 0);
-        return 0;
-    }
     saddr = (addr & DMA_MASK) >> 2;
     trace_sparc32_dma_mem_readl(addr, s->dmaregs[saddr]);
     return s->dmaregs[saddr];
@@ -177,11 +171,6 @@ static void dma_mem_write(void *opaque, hwaddr addr,
     DMADeviceState *s = opaque;
     uint32_t saddr;
 
-    if (s->is_ledma && (addr > DMA_MAX_REG_OFFSET)) {
-        /* aliased to espdma, but we can't get there from here */
-        trace_sparc32_dma_mem_writel(addr, 0, val);
-        return;
-    }
     saddr = (addr & DMA_MASK) >> 2;
     trace_sparc32_dma_mem_writel(addr, s->dmaregs[saddr], val);
     switch (saddr) {
@@ -296,7 +285,6 @@ static void sparc32_espdma_device_init(Object *obj)
 
     memory_region_init_io(&s->iomem, OBJECT(s), &dma_mem_ops, s,
                           "espdma-mmio", DMA_SIZE);
-    s->is_ledma = 0;
 }
 
 static void sparc32_espdma_device_realize(DeviceState *dev, Error **errp)
@@ -337,8 +325,7 @@ static void sparc32_ledma_device_init(Object *obj)
     DMADeviceState *s = SPARC32_DMA_DEVICE(obj);
 
     memory_region_init_io(&s->iomem, OBJECT(s), &dma_mem_ops, s,
-                          "ledma-mmio", DMA_ETH_SIZE);
-    s->is_ledma = 1;
+                          "ledma-mmio", DMA_SIZE);
 }
 
 static void sparc32_ledma_device_realize(DeviceState *dev, Error **errp)
@@ -411,6 +398,11 @@ static void sparc32_dma_realize(DeviceState *dev, Error **errp)
     sbd = SYS_BUS_DEVICE(ledma);
     memory_region_add_subregion(&s->dmamem, 0x10,
                                 sysbus_mmio_get_region(sbd, 0));
+
+    /* Add ledma alias to handle SunOS 5.7 - Solaris 9 invalid access bug */
+    memory_region_init_alias(&s->ledma_alias, OBJECT(dev), "ledma-alias",
+                             sysbus_mmio_get_region(sbd, 0), 0x4, 0x4);
+    memory_region_add_subregion(&s->dmamem, 0x20, &s->ledma_alias);
 }
 
 static void sparc32_dma_init(Object *obj)
diff --git a/include/hw/sparc/sparc32_dma.h b/include/hw/sparc/sparc32_dma.h
index 5deeca6c127531450dfe9ea7377f849716991778..ab42c5421bc3ebed76c866522d552158695208f2 100644
--- a/include/hw/sparc/sparc32_dma.h
+++ b/include/hw/sparc/sparc32_dma.h
@@ -21,7 +21,6 @@ struct DMADeviceState {
     qemu_irq irq;
     void *iommu;
     qemu_irq gpio[2];
-    uint32_t is_ledma;
 };
 
 #define TYPE_SPARC32_ESPDMA_DEVICE "sparc32-espdma"
@@ -52,6 +51,7 @@ typedef struct SPARC32DMAState {
     SysBusDevice parent_obj;
 
     MemoryRegion dmamem;
+    MemoryRegion ledma_alias;
     ESPDMADeviceState *espdma;
     LEDMADeviceState *ledma;
 } SPARC32DMAState;