@@ -916,13 +916,12 @@ static void dp8393x_realize(DeviceState *dev, Error **errp)
s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s);
s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */
- memory_region_init_ram(&s->prom, OBJECT(dev),
- "dp8393x-prom", SONIC_PROM_SIZE, &local_err);
+ memory_region_init_rom(&s->prom, OBJECT(dev), "dp8393x-prom",
+ SONIC_PROM_SIZE, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
- memory_region_set_readonly(&s->prom, true);
prom = memory_region_get_ram_ptr(&s->prom);
checksum = 0;
for (i = 0; i < 6; i++) {