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-rw-r--r--hw/arm/stellaris.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index 7b45fe3ccf..05f86749f4 100644
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@@ -22,6 +22,7 @@
#include "sysemu/sysemu.h"
#include "hw/arm/armv7m.h"
#include "hw/char/pl011.h"
+#include "hw/watchdog/cmsdk-apb-watchdog.h"
#include "hw/misc/unimp.h"
#include "cpu.h"
@@ -1243,7 +1244,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
* Stellaris LM3S6965 Microcontroller Data Sheet (rev I)
* http://www.ti.com/lit/ds/symlink/lm3s6965.pdf
*
- * 40000000 wdtimer (unimplemented)
+ * 40000000 wdtimer
* 40002000 i2c (unimplemented)
* 40004000 GPIO
* 40005000 GPIO
@@ -1338,6 +1339,24 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
stellaris_sys_init(0x400fe000, qdev_get_gpio_in(nvic, 28),
board, nd_table[0].macaddr.a);
+
+ if (board->dc1 & (1 << 3)) { /* watchdog present */
+ dev = qdev_create(NULL, TYPE_LUMINARY_WATCHDOG);
+
+ /* system_clock_scale is valid now */
+ uint32_t mainclk = NANOSECONDS_PER_SECOND / system_clock_scale;
+ qdev_prop_set_uint32(dev, "wdogclk-frq", mainclk);
+
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev),
+ 0,
+ 0x40000000u);
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev),
+ 0,
+ qdev_get_gpio_in(nvic, 18));
+ }
+
+
for (i = 0; i < 7; i++) {
if (board->dc4 & (1 << i)) {
gpio_dev[i] = sysbus_create_simple("pl061_luminary", gpio_addr[i],
@@ -1431,7 +1450,6 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
/* Add dummy regions for the devices we don't implement yet,
* so guest accesses don't cause unlogged crashes.
*/
- create_unimplemented_device("wdtimer", 0x40000000, 0x1000);
create_unimplemented_device("i2c-0", 0x40002000, 0x1000);
create_unimplemented_device("i2c-2", 0x40021000, 0x1000);
create_unimplemented_device("PWM", 0x40028000, 0x1000);