From: Kane-Chen-AS <kane_chen@aspeedtech.com>

Connect the WDT device to AST1700 model.

Signed-off-by: Kane-Chen-AS <kane_chen@aspeedtech.com>
---
 include/hw/misc/aspeed_ast1700.h |  3 +++
 hw/misc/aspeed_ast1700.c         | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/include/hw/misc/aspeed_ast1700.h b/include/hw/misc/aspeed_ast1700.h
index 4aefb7ea35..f89de44539 100644
--- a/include/hw/misc/aspeed_ast1700.h
+++ b/include/hw/misc/aspeed_ast1700.h
@@ -19,6 +19,8 @@
 #include "hw/char/serial-mm.h"
 #include "hw/misc/unimp.h"
 
+#define AST1700_WDT_NUM              9
+
 #define TYPE_ASPEED_AST1700 "aspeed.ast1700"
 #define TYPE_ASPEED_AST1700_AST2700 "aspeed.ast1700-ast2700"
 
@@ -39,6 +41,7 @@ struct AspeedAST1700SoCState {
     AspeedSCUState scu;
     AspeedGPIOState gpio;
     AspeedI2CState i2c;
+    AspeedWDTState wdt[AST1700_WDT_NUM];
 };
 
 #endif /* ASPEED_AST1700_H */
diff --git a/hw/misc/aspeed_ast1700.c b/hw/misc/aspeed_ast1700.c
index 6c7483c88c..c2dc834b4f 100644
--- a/hw/misc/aspeed_ast1700.c
+++ b/hw/misc/aspeed_ast1700.c
@@ -28,6 +28,7 @@ enum {
     ASPEED_AST1700_DEV_I2C,
     ASPEED_AST1700_DEV_UART12,
     ASPEED_AST1700_DEV_LTPI_CTRL,
+    ASPEED_AST1700_DEV_WDT,
     ASPEED_AST1700_DEV_SPI0_MEM,
 };
 
@@ -40,10 +41,13 @@ static const hwaddr aspeed_ast1700_io_memmap[] = {
     [ASPEED_AST1700_DEV_I2C]       =  0x00C0F000,
     [ASPEED_AST1700_DEV_UART12]    =  0x00C33B00,
     [ASPEED_AST1700_DEV_LTPI_CTRL] =  0x00C34000,
+    [ASPEED_AST1700_DEV_WDT]       =  0x00C37000,
     [ASPEED_AST1700_DEV_SPI0_MEM]  =  0x04000000,
 };
+
 static void aspeed_ast1700_realize(DeviceState *dev, Error **errp)
 {
+    int i;
     AspeedAST1700SoCState *s = ASPEED_AST1700(dev);
     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
     hwaddr uart_base;
@@ -145,10 +149,27 @@ static void aspeed_ast1700_realize(DeviceState *dev, Error **errp)
     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));
+
+    /* WDT */
+    for (i = 0; i < AST1700_WDT_NUM; i++) {
+        AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
+        hwaddr wdt_offset = aspeed_ast1700_io_memmap[ASPEED_AST1700_DEV_WDT] +
+                            i * awc->iosize;
+
+        object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
+                                 &error_abort);
+        if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
+            return;
+        }
+        memory_region_add_subregion(&s->iomem,
+                        wdt_offset,
+                        sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->wdt[i]), 0));
+    }
 }
 
 static void aspeed_ast1700_instance_init(Object *obj)
 {
+    int i;
     AspeedAST1700SoCState *s = ASPEED_AST1700(obj);
     char socname[8];
     char typename[64];
@@ -187,6 +208,13 @@ static void aspeed_ast1700_instance_init(Object *obj)
     object_initialize_child(obj, "ltpi-ctrl",
                             &s->ltpi, TYPE_ASPEED_LTPI);
 
+    /* WDT */
+    for (i = 0; i < AST1700_WDT_NUM; i++) {
+        snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
+        object_initialize_child(obj, "ioexp-wdt[*]",
+                                &s->wdt[i], typename);
+    }
+
     return;
 }
 
-- 
2.43.0