aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGuenter Roeck <linux@roeck-us.net>2020-05-17 09:21:31 -0700
committerPeter Maydell <peter.maydell@linaro.org>2020-05-21 22:05:27 +0100
commitb9e521dda3e6f8246d9ca3285ca372462e94c6d1 (patch)
tree77190f61d7393b083f6cad7c44a7577bfb10259e
parent4f0aff00f964721f8a5917240abbf23d9918069b (diff)
hw/arm/fsl-imx31: Wire up watchdog
With this patch, the watchdog on i.MX31 emulations is fully operational. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Message-id: 20200517162135.110364-5-linux@roeck-us.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/arm/Kconfig1
-rw-r--r--hw/arm/fsl-imx31.c6
-rw-r--r--include/hw/arm/fsl-imx31.h4
3 files changed, 11 insertions, 0 deletions
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 8a5eb140f5..9afa6eee79 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -367,6 +367,7 @@ config FSL_IMX31
select SERIAL
select IMX
select IMX_I2C
+ select WDT_IMX2
select LAN9118
config FSL_IMX6
diff --git a/hw/arm/fsl-imx31.c b/hw/arm/fsl-imx31.c
index 8472d2e911..1e7959863d 100644
--- a/hw/arm/fsl-imx31.c
+++ b/hw/arm/fsl-imx31.c
@@ -63,6 +63,8 @@ static void fsl_imx31_init(Object *obj)
sysbus_init_child_obj(obj, "gpio[*]", &s->gpio[i], sizeof(s->gpio[i]),
TYPE_IMX_GPIO);
}
+
+ sysbus_init_child_obj(obj, "wdt", &s->wdt, sizeof(s->wdt), TYPE_IMX2_WDT);
}
static void fsl_imx31_realize(DeviceState *dev, Error **errp)
@@ -205,6 +207,10 @@ static void fsl_imx31_realize(DeviceState *dev, Error **errp)
gpio_table[i].irq));
}
+ /* Watchdog */
+ object_property_set_bool(OBJECT(&s->wdt), true, "realized", &error_abort);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt), 0, FSL_IMX31_WDT_ADDR);
+
/* On a real system, the first 16k is a `secure boot rom' */
memory_region_init_rom(&s->secure_rom, OBJECT(dev), "imx31.secure_rom",
FSL_IMX31_SECURE_ROM_SIZE, &err);
diff --git a/include/hw/arm/fsl-imx31.h b/include/hw/arm/fsl-imx31.h
index ac5ca9826a..dd8561b309 100644
--- a/include/hw/arm/fsl-imx31.h
+++ b/include/hw/arm/fsl-imx31.h
@@ -25,6 +25,7 @@
#include "hw/timer/imx_epit.h"
#include "hw/i2c/imx_i2c.h"
#include "hw/gpio/imx_gpio.h"
+#include "hw/watchdog/wdt_imx2.h"
#include "exec/memory.h"
#include "target/arm/cpu.h"
@@ -49,6 +50,7 @@ typedef struct FslIMX31State {
IMXEPITState epit[FSL_IMX31_NUM_EPITS];
IMXI2CState i2c[FSL_IMX31_NUM_I2CS];
IMXGPIOState gpio[FSL_IMX31_NUM_GPIOS];
+ IMX2WdtState wdt;
MemoryRegion secure_rom;
MemoryRegion rom;
MemoryRegion iram;
@@ -87,6 +89,8 @@ typedef struct FslIMX31State {
#define FSL_IMX31_GPIO1_SIZE 0x4000
#define FSL_IMX31_GPIO2_ADDR 0x53FD0000
#define FSL_IMX31_GPIO2_SIZE 0x4000
+#define FSL_IMX31_WDT_ADDR 0x53FDC000
+#define FSL_IMX31_WDT_SIZE 0x4000
#define FSL_IMX31_AVIC_ADDR 0x68000000
#define FSL_IMX31_AVIC_SIZE 0x100
#define FSL_IMX31_SDRAM0_ADDR 0x80000000