[PATCH v1 1/8] aspeed/wdt: Add AST2700 support

[Jamin Lin]

AST2700 wdt controller is similiar to AST2600's wdt, but
the AST2700 has 8 watchdogs, and they each have a 0x80 of registers.
Introduce ast2700 object class and increse the number of regs(offset) of
ast2700 model.

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
---
 hw/watchdog/wdt_aspeed.c         | 24 ++++++++++++++++++++++++
 include/hw/watchdog/wdt_aspeed.h |  3 ++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c
index d70b656f8e..75685c5647 100644
--- a/hw/watchdog/wdt_aspeed.c
+++ b/hw/watchdog/wdt_aspeed.c
@@ -422,12 +422,36 @@ static const TypeInfo aspeed_1030_wdt_info = {
     .class_init = aspeed_1030_wdt_class_init,
 };
 
+static void aspeed_2700_wdt_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass);
+
+    dc->desc = "ASPEED 2700 Watchdog Controller";
+    awc->iosize = 0x80;
+    awc->ext_pulse_width_mask = 0xfffff; /* TODO */
+    awc->reset_ctrl_reg = AST2600_SCU_RESET_CONTROL1;
+    awc->reset_pulse = aspeed_2500_wdt_reset_pulse;
+    awc->wdt_reload = aspeed_wdt_reload_1mhz;
+    awc->sanitize_ctrl = aspeed_2600_sanitize_ctrl;
+    awc->default_status = 0x014FB180;
+    awc->default_reload_value = 0x014FB180;
+}
+
+static const TypeInfo aspeed_2700_wdt_info = {
+    .name = TYPE_ASPEED_2700_WDT,
+    .parent = TYPE_ASPEED_WDT,
+    .instance_size = sizeof(AspeedWDTState),
+    .class_init = aspeed_2700_wdt_class_init,
+};
+
 static void wdt_aspeed_register_types(void)
 {
     type_register_static(&aspeed_wdt_info);
     type_register_static(&aspeed_2400_wdt_info);
     type_register_static(&aspeed_2500_wdt_info);
     type_register_static(&aspeed_2600_wdt_info);
+    type_register_static(&aspeed_2700_wdt_info);
     type_register_static(&aspeed_1030_wdt_info);
 }
 
diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h
index e90ef86651..830b0a7936 100644
--- a/include/hw/watchdog/wdt_aspeed.h
+++ b/include/hw/watchdog/wdt_aspeed.h
@@ -19,9 +19,10 @@ OBJECT_DECLARE_TYPE(AspeedWDTState, AspeedWDTClass, 
ASPEED_WDT)
 #define TYPE_ASPEED_2400_WDT TYPE_ASPEED_WDT "-ast2400"
 #define TYPE_ASPEED_2500_WDT TYPE_ASPEED_WDT "-ast2500"
 #define TYPE_ASPEED_2600_WDT TYPE_ASPEED_WDT "-ast2600"
+#define TYPE_ASPEED_2700_WDT TYPE_ASPEED_WDT "-ast2700"
 #define TYPE_ASPEED_1030_WDT TYPE_ASPEED_WDT "-ast1030"
 
-#define ASPEED_WDT_REGS_MAX        (0x30 / 4)
+#define ASPEED_WDT_REGS_MAX        (0x80 / 4)
 
 struct AspeedWDTState {
     /*< private >*/
-- 
2.25.1