diff options
| -rw-r--r-- | hw/block/pflash_cfi02.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c index 25c053693c..02c514fb6e 100644 --- a/hw/block/pflash_cfi02.c +++ b/hw/block/pflash_cfi02.c @@ -173,7 +173,6 @@ static void pflash_setup_mappings(PFlashCFI02 *pfl) "pflash-alias", &pfl->orig_mem, 0, size); memory_region_add_subregion(&pfl->mem, i * size, &pfl->mem_mappings[i]); } - pfl->rom_mode = true; } static void pflash_reset_state_machine(PFlashCFI02 *pfl) @@ -917,8 +916,13 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp) /* Allocate memory for a bitmap for sectors being erased. */ pfl->sector_erase_map = bitmap_new(pfl->total_sectors); - pflash_setup_mappings(pfl); - sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem); + pfl->rom_mode = true; + if (pfl->mappings > 1) { + pflash_setup_mappings(pfl); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem); + } else { + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->orig_mem); + } timer_init_ns(&pfl->timer, QEMU_CLOCK_VIRTUAL, pflash_timer, pfl); pfl->status = 0; |