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hw/arm: Add WDT to Allwinner-H3 and Orangepi-PC

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This patch adds WDT to Allwinner-H3 and Orangepi-PC.
WDT is added as an overlay to the Timer module memory area.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20230326202256.22980-4-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Strahinja Jankovic 2023-04-20 10:21:14 +01:00 • committed by Peter Maydell
parent 470f9f2d93
commit c663fc9fbc
4 changed files with 14 additions and 1 deletions
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8
hw/arm/allwinner-h3.c
View file

@ -49,6 +49,7 @@ const hwaddr allwinner_h3_memmap[] = {
[AW_H3_DEV_OHCI3] = 0x01c1d400,
[AW_H3_DEV_CCU] = 0x01c20000,
[AW_H3_DEV_PIT] = 0x01c20c00,
[AW_H3_DEV_WDT] = 0x01c20ca0,
[AW_H3_DEV_UART0] = 0x01c28000,
[AW_H3_DEV_UART1] = 0x01c28400,
[AW_H3_DEV_UART2] = 0x01c28800,
@ -234,6 +235,8 @@ static void allwinner_h3_init(Object *obj)
object_initialize_child(obj, "twi1", &s->i2c1, TYPE_AW_I2C_SUN6I);
object_initialize_child(obj, "twi2", &s->i2c2, TYPE_AW_I2C_SUN6I);
object_initialize_child(obj, "r_twi", &s->r_twi, TYPE_AW_I2C_SUN6I);
object_initialize_child(obj, "wdt", &s->wdt, TYPE_AW_WDT_SUN6I);
}
static void allwinner_h3_realize(DeviceState *dev, Error **errp)
@ -453,6 +456,11 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->r_twi), 0,
qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_R_TWI));
/* WDT */
sysbus_realize(SYS_BUS_DEVICE(&s->wdt), &error_fatal);
sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->wdt), 0,
s->memmap[AW_H3_DEV_WDT], 1);
/* Unimplemented devices */
for (i = 0; i < ARRAY_SIZE(unimplemented); i++) {
create_unimplemented_device(unimplemented[i].device_name,