+#define VIRT_FLASH_SECTOR_SIZE (256 * KiB)
+
+static PFlashCFI01 *virt_flash_create1(RISCVVirtState *s,
+ const char *name,
+ const char *alias_prop_name)
+{
+ /*
+ * Create a single flash device. We use the same parameters as
+ * the flash devices on the ARM virt board.
+ */
+ DeviceState *dev = qdev_create(NULL, TYPE_PFLASH_CFI01);
+
+ qdev_prop_set_uint64(dev, "sector-length", VIRT_FLASH_SECTOR_SIZE);
+ qdev_prop_set_uint8(dev, "width", 4);
+ qdev_prop_set_uint8(dev, "device-width", 2);
+ qdev_prop_set_bit(dev, "big-endian", false);
+ qdev_prop_set_uint16(dev, "id0", 0x89);
+ qdev_prop_set_uint16(dev, "id1", 0x18);
+ qdev_prop_set_uint16(dev, "id2", 0x00);
+ qdev_prop_set_uint16(dev, "id3", 0x00);
+ qdev_prop_set_string(dev, "name", name);
+
+ object_property_add_child(OBJECT(s), name, OBJECT(dev),
+ &error_abort);
+ object_property_add_alias(OBJECT(s), alias_prop_name,
+ OBJECT(dev), "drive", &error_abort);
+
+ return PFLASH_CFI01(dev);
+}
+
+static void virt_flash_create(RISCVVirtState *s)
+{
+ s->flash[0] = virt_flash_create1(s, "virt.flash0", "pflash0");
+ s->flash[1] = virt_flash_create1(s, "virt.flash1", "pflash1");
+}
+
+static void virt_flash_map1(PFlashCFI01 *flash,
+ hwaddr base, hwaddr size,
+ MemoryRegion *sysmem)
+{
+ DeviceState *dev = DEVICE(flash);
+
+ assert(size % VIRT_FLASH_SECTOR_SIZE == 0);
+ assert(size / VIRT_FLASH_SECTOR_SIZE <= UINT32_MAX);
+ qdev_prop_set_uint32(dev, "num-blocks", size / VIRT_FLASH_SECTOR_SIZE);
+ qdev_init_nofail(dev);
+
+ memory_region_add_subregion(sysmem, base,
+ sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
+ 0));
+}
+
+static void virt_flash_map(RISCVVirtState *s,
+ MemoryRegion *sysmem)
+{
+ hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2;
+ hwaddr flashbase = virt_memmap[VIRT_FLASH].base;
+
+ virt_flash_map1(s->flash[0], flashbase, flashsize,
+ sysmem);
+ virt_flash_map1(s->flash[1], flashbase + flashsize, flashsize,
+ sysmem);
+}
+