On 11/5/25 04:58, Kane Chen wrote:
From: Kane-Chen-AS <[email protected]>
Connect the LTPI controller to the AST1700 model by mapping its MMIO
region and wiring its interrupt line.
Signed-off-by: Kane-Chen-AS <[email protected]>
---
include/hw/misc/aspeed_ast1700.h | 2 ++
hw/misc/aspeed_ast1700.c | 21 +++++++++++++++++++++
2 files changed, 23 insertions(+)
diff --git a/include/hw/misc/aspeed_ast1700.h b/include/hw/misc/aspeed_ast1700.h
index 624ef61eda..c2bea11346 100644
--- a/include/hw/misc/aspeed_ast1700.h
+++ b/include/hw/misc/aspeed_ast1700.h
@@ -28,6 +28,8 @@ struct AspeedAST1700SoCState {
SysBusDevice parent_obj;
MemoryRegion iomem;
+
+ AspeedLTPIState ltpi;
};
#endif /* ASPEED_AST1700_H */
diff --git a/hw/misc/aspeed_ast1700.c b/hw/misc/aspeed_ast1700.c
index 3125bec795..0ca2b90ff0 100644
--- a/hw/misc/aspeed_ast1700.c
+++ b/hw/misc/aspeed_ast1700.c
@@ -16,6 +16,14 @@
#include "hw/misc/aspeed_ast1700.h"
#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);
@@ -26,10 +34,23 @@ static void aspeed_ast1700_realize(DeviceState *dev, Error
**errp)
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;
}
Reviewed-by: Cédric Le Goater <[email protected]>
Thanks,
C.
