aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authorRoman Kapl <rka@sysgo.com>2020-02-07 10:55:29 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-02-13 14:14:52 +0000
commit5fecbf0f0cc9168da1b003a115ac18fe722f293a (patch)
tree3d6896d71fba348aea7c799e37af5b9ca9b79998 /hw
parent0e7bb14b564b6eef9aa0eed45df47babcdcaba12 (diff)
downloadqemu-5fecbf0f0cc9168da1b003a115ac18fe722f293a.zip
qemu-5fecbf0f0cc9168da1b003a115ac18fe722f293a.tar.gz
qemu-5fecbf0f0cc9168da1b003a115ac18fe722f293a.tar.bz2
i.MX: Add support for WDT on i.MX6
Uses the i.MX2 rudimentary watchdog driver. Signed-off-by: Roman Kapl <rka@sysgo.com> Message-id: 20200207095529.11309-1-rka@sysgo.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: removed accidental duplicate #include line] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/arm/fsl-imx6.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c
index 552145b..ecc6285 100644
--- a/hw/arm/fsl-imx6.c
+++ b/hw/arm/fsl-imx6.c
@@ -91,6 +91,12 @@ static void fsl_imx6_init(Object *obj)
sysbus_init_child_obj(obj, name, &s->spi[i], sizeof(s->spi[i]),
TYPE_IMX_SPI);
}
+ for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
+ snprintf(name, NAME_SIZE, "wdt%d", i);
+ sysbus_init_child_obj(obj, name, &s->wdt[i], sizeof(s->wdt[i]),
+ TYPE_IMX2_WDT);
+ }
+
sysbus_init_child_obj(obj, "eth", &s->eth, sizeof(s->eth), TYPE_IMX_ENET);
}
@@ -383,6 +389,21 @@ static void fsl_imx6_realize(DeviceState *dev, Error **errp)
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
FSL_IMX6_ENET_MAC_1588_IRQ));
+ /*
+ * Watchdog
+ */
+ for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
+ static const hwaddr FSL_IMX6_WDOGn_ADDR[FSL_IMX6_NUM_WDTS] = {
+ FSL_IMX6_WDOG1_ADDR,
+ FSL_IMX6_WDOG2_ADDR,
+ };
+
+ object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized",
+ &error_abort);
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, FSL_IMX6_WDOGn_ADDR[i]);
+ }
+
/* ROM memory */
memory_region_init_rom(&s->rom, NULL, "imx6.rom",
FSL_IMX6_ROM_SIZE, &err);