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authorCédric Le Goater <clg@kaod.org>2017-02-07 18:29:59 +0000
committerPeter Maydell <peter.maydell@linaro.org>2017-02-07 18:29:59 +0000
commit013befe1ca055f555062c8ead083b3c214be97b1 (patch)
tree374509306693a2becfbb34de5602596d2c85529b
parent854123bf8d4b8f4dcedcb03d0201e4305da45fe8 (diff)
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aspeed: add a watchdog controller
This enables reboot of a guest from U-Boot and Linux. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 1485452251-1593-3-git-send-email-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/arm/aspeed_soc.c13
-rw-r--r--include/hw/arm/aspeed_soc.h2
2 files changed, 15 insertions, 0 deletions
diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c
index b3e7f07..571e4f0 100644
--- a/hw/arm/aspeed_soc.c
+++ b/hw/arm/aspeed_soc.c
@@ -31,6 +31,7 @@
#define ASPEED_SOC_SCU_BASE 0x1E6E2000
#define ASPEED_SOC_SRAM_BASE 0x1E720000
#define ASPEED_SOC_TIMER_BASE 0x1E782000
+#define ASPEED_SOC_WDT_BASE 0x1E785000
#define ASPEED_SOC_I2C_BASE 0x1E78A000
static const int uart_irqs[] = { 9, 32, 33, 34, 10 };
@@ -170,6 +171,10 @@ static void aspeed_soc_init(Object *obj)
sc->info->silicon_rev);
object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
"ram-size", &error_abort);
+
+ object_initialize(&s->wdt, sizeof(s->wdt), TYPE_ASPEED_WDT);
+ object_property_add_child(obj, "wdt", OBJECT(&s->wdt), NULL);
+ qdev_set_parent_bus(DEVICE(&s->wdt), sysbus_get_default());
}
static void aspeed_soc_realize(DeviceState *dev, Error **errp)
@@ -286,6 +291,14 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp)
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, ASPEED_SOC_SDMC_BASE);
+
+ /* Watch dog */
+ object_property_set_bool(OBJECT(&s->wdt), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt), 0, ASPEED_SOC_WDT_BASE);
}
static void aspeed_soc_class_init(ObjectClass *oc, void *data)
diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h
index 1ab5dea..dbec0c1 100644
--- a/include/hw/arm/aspeed_soc.h
+++ b/include/hw/arm/aspeed_soc.h
@@ -19,6 +19,7 @@
#include "hw/timer/aspeed_timer.h"
#include "hw/i2c/aspeed_i2c.h"
#include "hw/ssi/aspeed_smc.h"
+#include "hw/watchdog/wdt_aspeed.h"
#define ASPEED_SPIS_NUM 2
@@ -37,6 +38,7 @@ typedef struct AspeedSoCState {
AspeedSMCState fmc;
AspeedSMCState spi[ASPEED_SPIS_NUM];
AspeedSDMCState sdmc;
+ AspeedWDTState wdt;
} AspeedSoCState;
#define TYPE_ASPEED_SOC "aspeed-soc"