diff options
| -rw-r--r-- | docs/system/arm/aspeed.rst | 18 | ||||
| -rw-r--r-- | hw/arm/aspeed.c | 45 |
2 files changed, 61 insertions, 2 deletions
diff --git a/docs/system/arm/aspeed.rst b/docs/system/arm/aspeed.rst index 45f891eb3c..2d33d02345 100644 --- a/docs/system/arm/aspeed.rst +++ b/docs/system/arm/aspeed.rst @@ -83,3 +83,21 @@ The image should be attached as an MTD drive. Run : $ qemu-system-arm -M romulus-bmc -nic user \ -drive file=flash-romulus,format=raw,if=mtd -nographic + +Options specific to Aspeed machines are : + + * ``execute-in-place`` which emulates the boot from the CE0 flash + device by using the FMC controller to load the instructions, and + not simply from RAM. This takes a little longer. + + * ``fmc-model`` to change the FMC Flash model. FW needs support for + the chip model to boot. + + * ``spi-model`` to change the SPI Flash model. + +For instance, to start the ``ast2500-evb`` machine with a different +FMC chip and a bigger (64M) SPI chip, use : + +.. code-block:: bash + + -M ast2500-evb,fmc-model=mx25l25635e,spi-model=mx66u51235f diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index 8bfb1c79dd..bdb981d2f8 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -41,6 +41,8 @@ struct AspeedMachineState { MemoryRegion ram_container; MemoryRegion max_ram; bool mmio_exec; + char *fmc_model; + char *spi_model; }; /* Palmetto hardware value: 0x120CE416 */ @@ -332,8 +334,10 @@ static void aspeed_machine_init(MachineState *machine) "max_ram", max_ram_size - ram_size); memory_region_add_subregion(&bmc->ram_container, ram_size, &bmc->max_ram); - aspeed_board_init_flashes(&bmc->soc.fmc, amc->fmc_model); - aspeed_board_init_flashes(&bmc->soc.spi[0], amc->spi_model); + aspeed_board_init_flashes(&bmc->soc.fmc, bmc->fmc_model ? + bmc->fmc_model : amc->fmc_model); + aspeed_board_init_flashes(&bmc->soc.spi[0], bmc->spi_model ? + bmc->spi_model : amc->spi_model); /* Install first FMC flash content as a boot rom. */ if (drive0) { @@ -570,6 +574,34 @@ static void aspeed_machine_instance_init(Object *obj) ASPEED_MACHINE(obj)->mmio_exec = false; } +static char *aspeed_get_fmc_model(Object *obj, Error **errp) +{ + AspeedMachineState *bmc = ASPEED_MACHINE(obj); + return g_strdup(bmc->fmc_model); +} + +static void aspeed_set_fmc_model(Object *obj, const char *value, Error **errp) +{ + AspeedMachineState *bmc = ASPEED_MACHINE(obj); + + g_free(bmc->fmc_model); + bmc->fmc_model = g_strdup(value); +} + +static char *aspeed_get_spi_model(Object *obj, Error **errp) +{ + AspeedMachineState *bmc = ASPEED_MACHINE(obj); + return g_strdup(bmc->spi_model); +} + +static void aspeed_set_spi_model(Object *obj, const char *value, Error **errp) +{ + AspeedMachineState *bmc = ASPEED_MACHINE(obj); + + g_free(bmc->spi_model); + bmc->spi_model = g_strdup(value); +} + static void aspeed_machine_class_props_init(ObjectClass *oc) { object_class_property_add_bool(oc, "execute-in-place", @@ -577,6 +609,15 @@ static void aspeed_machine_class_props_init(ObjectClass *oc) aspeed_set_mmio_exec); object_class_property_set_description(oc, "execute-in-place", "boot directly from CE0 flash device"); + + object_class_property_add_str(oc, "fmc-model", aspeed_get_fmc_model, + aspeed_set_fmc_model); + object_class_property_set_description(oc, "fmc-model", + "Change the FMC Flash model"); + object_class_property_add_str(oc, "spi-model", aspeed_get_spi_model, + aspeed_set_spi_model); + object_class_property_set_description(oc, "spi-model", + "Change the SPI Flash model"); } static int aspeed_soc_num_cpus(const char *soc_name) |