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[v2,08/14] hw/arm/mps2: Add CMSDK APB watchdog device

Message ID 20200617055205.3576-9-f4bug@amsat.org
State New
Headers show
Series mps2: Add few more peripherals | expand

Commit Message

Philippe Mathieu-Daudé June 17, 2020, 5:51 a.m. UTC
We already model the CMSDK APB watchdog device, let's use it!

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
v2: Use existing TYPE_CMSDK_APB_WATCHDOG (pm215)
---
 hw/arm/mps2.c  | 7 +++++++
 hw/arm/Kconfig | 1 +
 2 files changed, 8 insertions(+)
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Patch

diff --git a/hw/arm/mps2.c b/hw/arm/mps2.c
index 4fe5cc8622..f7bef20b40 100644
--- a/hw/arm/mps2.c
+++ b/hw/arm/mps2.c
@@ -312,6 +312,13 @@  static void mps2_common_init(MachineState *machine)
     sysbus_connect_irq(SYS_BUS_DEVICE(&mms->dualtimer), 0,
                        qdev_get_gpio_in(armv7m, 10));
     sysbus_mmio_map(SYS_BUS_DEVICE(&mms->dualtimer), 0, 0x40002000);
+    object_initialize_child(OBJECT(mms), "watchdog", &mms->watchdog,
+                            TYPE_CMSDK_APB_WATCHDOG);
+    qdev_prop_set_uint32(DEVICE(&mms->watchdog), "wdogclk-frq", SYSCLK_FRQ);
+    sysbus_realize(SYS_BUS_DEVICE(&mms->watchdog), &error_fatal);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&mms->watchdog), 0,
+                       qdev_get_gpio_in_named(armv7m, "NMI", 0));
+    sysbus_mmio_map(SYS_BUS_DEVICE(&mms->watchdog), 0, 0x40008000);
 
     /* FPGA APB subsystem */
     object_initialize_child(OBJECT(mms), "scc", &mms->scc, TYPE_MPS2_SCC);
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 9afa6eee79..5c8f689b3d 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -405,6 +405,7 @@  config MPS2
     select PL080    # DMA controller
     select SPLIT_IRQ
     select UNIMP
+    select CMSDK_APB_WATCHDOG
 
 config FSL_IMX7
     bool