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arm: xlnx-versal-virt: Add machine property ospi-flash 

This property allows users to change flash model on command line as
below.

   ex: "-M xlnx-versal-virt,ospi-flash=mt35xu02gbba"

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@amd.com>
Message-id: 20240220091721.82954-3-sai.pavan.boddu@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Sai Pavan Boddu 2024-02-26 14:07:24 +00:00 committed by Peter Maydell
parent 4d85bfc86b
commit 06005459dc
1 changed files with 43 additions and 1 deletions
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44
hw/arm/xlnx-versal-virt.c
View File

@ -49,6 +49,7 @@ struct VersalVirt {
struct {
bool secure;
} cfg;
char *ospi_model;
};
static void fdt_create(VersalVirt *s)
@ -638,6 +639,22 @@ static void sd_plugin_card(SDHCIState *sd, DriveInfo *di)
&error_fatal);
}
static char *versal_get_ospi_model(Object *obj, Error **errp)
{
VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(obj);
return g_strdup(s->ospi_model);
}
static void versal_set_ospi_model(Object *obj, const char *value, Error **errp)
{
VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(obj);
g_free(s->ospi_model);
s->ospi_model = g_strdup(value);
}
static void versal_virt_init(MachineState *machine)
{
VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(machine);
@ -732,12 +749,25 @@ static void versal_virt_init(MachineState *machine)
for (i = 0; i < XLNX_VERSAL_NUM_OSPI_FLASH; i++) {
BusState *spi_bus;
DeviceState *flash_dev;
ObjectClass *flash_klass;
qemu_irq cs_line;
DriveInfo *dinfo = drive_get(IF_MTD, 0, i);
spi_bus = qdev_get_child_bus(DEVICE(&s->soc.pmc.iou.ospi), "spi0");
flash_dev = qdev_new("mt35xu01g");
if (s->ospi_model) {
flash_klass = object_class_by_name(s->ospi_model);
if (!flash_klass ||
object_class_is_abstract(flash_klass) ||
!object_class_dynamic_cast(flash_klass, "m25p80-generic")) {
error_setg(&error_fatal, "'%s' is either abstract or"
" not a subtype of m25p80", s->ospi_model);
return;
}
}
flash_dev = qdev_new(s->ospi_model ? s->ospi_model : "mt35xu01g");
if (dinfo) {
qdev_prop_set_drive_err(flash_dev, "drive",
blk_by_legacy_dinfo(dinfo), &error_fatal);
@ -770,6 +800,13 @@ static void versal_virt_machine_instance_init(Object *obj)
0);
}
static void versal_virt_machine_finalize(Object *obj)
{
VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(obj);
g_free(s->ospi_model);
}
static void versal_virt_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@ -781,6 +818,10 @@ static void versal_virt_machine_class_init(ObjectClass *oc, void *data)
mc->default_cpus = XLNX_VERSAL_NR_ACPUS + XLNX_VERSAL_NR_RCPUS;
mc->no_cdrom = true;
mc->default_ram_id = "ddr";
object_class_property_add_str(oc, "ospi-flash", versal_get_ospi_model,
versal_set_ospi_model);
object_class_property_set_description(oc, "ospi-flash",
"Change the OSPI Flash model");
}
static const TypeInfo versal_virt_machine_init_typeinfo = {
@ -789,6 +830,7 @@ static const TypeInfo versal_virt_machine_init_typeinfo = {
.class_init = versal_virt_machine_class_init,
.instance_init = versal_virt_machine_instance_init,
.instance_size = sizeof(VersalVirt),
.instance_finalize = versal_virt_machine_finalize,
};
static void versal_virt_machine_init_register_types(void)