From b9e521dda3e6f8246d9ca3285ca372462e94c6d1 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sun, 17 May 2020 09:21:31 -0700 Subject: [PATCH] hw/arm/fsl-imx31: Wire up watchdog MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With this patch, the watchdog on i.MX31 emulations is fully operational. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Guenter Roeck Message-id: 20200517162135.110364-5-linux@roeck-us.net Signed-off-by: Peter Maydell --- hw/arm/Kconfig | 1 + hw/arm/fsl-imx31.c | 6 ++++++ include/hw/arm/fsl-imx31.h | 4 ++++ 3 files changed, 11 insertions(+) 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