On 12/24/25 02:41, Kane Chen via wrote:
From: Kane-Chen-AS <[email protected]>
Connect the LTPI controller to the AST1700 model by mapping its MMIO
region.
Signed-off-by: Kane-Chen-AS <[email protected]>
Reviewed-by: Cédric Le Goater <[email protected]>
---
include/hw/arm/aspeed_ast1700.h | 3 +++
hw/arm/aspeed_ast1700.c | 27 +++++++++++++++++++++++++++
2 files changed, 30 insertions(+)
diff --git a/include/hw/arm/aspeed_ast1700.h b/include/hw/arm/aspeed_ast1700.h
index 2a95ebfe89..b9ee4952d0 100644
--- a/include/hw/arm/aspeed_ast1700.h
+++ b/include/hw/arm/aspeed_ast1700.h
@@ -9,6 +9,7 @@
#define ASPEED_AST1700_H
#include "hw/sysbus.h"
+#include "hw/misc/aspeed_ltpi.h"
#define TYPE_ASPEED_AST1700 "aspeed.ast1700"
@@ -18,6 +19,8 @@ struct AspeedAST1700SoCState {
SysBusDevice parent_obj;
MemoryRegion iomem;
+
+ AspeedLTPIState ltpi;
};
#endif /* ASPEED_AST1700_H */
diff --git a/hw/arm/aspeed_ast1700.c b/hw/arm/aspeed_ast1700.c
index bb6ca2ce9e..eeb586102f 100644
--- a/hw/arm/aspeed_ast1700.c
+++ b/hw/arm/aspeed_ast1700.c
@@ -14,6 +14,14 @@
#define AST2700_SOC_LTPI_SIZE 0x01000000
+enum {
+ ASPEED_AST1700_DEV_LTPI_CTRL,
+};
+
+static const hwaddr aspeed_ast1700_io_memmap[] = {
+ [ASPEED_AST1700_DEV_LTPI_CTRL] = 0x00C34000,
+};
+
static void aspeed_ast1700_realize(DeviceState *dev, Error **errp)
{
AspeedAST1700SoCState *s = ASPEED_AST1700(dev);
@@ -23,8 +31,26 @@ static void aspeed_ast1700_realize(DeviceState *dev, Error
**errp)
memory_region_init(&s->iomem, OBJECT(s), TYPE_ASPEED_AST1700,
AST2700_SOC_LTPI_SIZE);
sysbus_init_mmio(sbd, &s->iomem);
+
+ /* LTPI controller */
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->ltpi), errp)) {
+ return;
+ }
+ memory_region_add_subregion(&s->iomem,
+ aspeed_ast1700_io_memmap[ASPEED_AST1700_DEV_LTPI_CTRL],
+ sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ltpi), 0));
}
+static void aspeed_ast1700_instance_init(Object *obj)
+{
+ AspeedAST1700SoCState *s = ASPEED_AST1700(obj);
+
+ /* LTPI controller */
+ object_initialize_child(obj, "ltpi-ctrl",
+ &s->ltpi, TYPE_ASPEED_LTPI);
+
+ return;
+}
static void aspeed_ast1700_class_init(ObjectClass *klass, const void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -37,6 +63,7 @@ static const TypeInfo aspeed_ast1700_info = {
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(AspeedAST1700SoCState),
.class_init = aspeed_ast1700_class_init,
+ .instance_init = aspeed_ast1700_instance_init,
};
static void aspeed_ast1700_register_types(void)
