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hw/misc/iotkit: Wire up the sysctl and sysinfo register blocks

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Wire up the system control element's register banks
(sysctl and sysinfo).

This is the last of the previously completely unimplemented
components in the IoTKit.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180820141116.9118-11-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-08-24 13:17:43 +01:00
parent c667a25b32
commit 06e65af39b
2 changed files with 23 additions and 9 deletions
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26
hw/arm/iotkit.c
View file

@ -16,7 +16,6 @@
#include "hw/sysbus.h"
#include "hw/registerfields.h"
#include "hw/arm/iotkit.h"
#include "hw/misc/unimp.h"
#include "hw/arm/arm.h"
/* Clock frequency in HZ of the 32KHz "slow clock" */
@ -151,6 +150,10 @@ static void iotkit_init(Object *obj)
sizeof(s->nswatchdog), TYPE_CMSDK_APB_WATCHDOG);
sysbus_init_child_obj(obj, "swatchdog", &s->swatchdog,
sizeof(s->swatchdog), TYPE_CMSDK_APB_WATCHDOG);
sysbus_init_child_obj(obj, "iotkit-sysctl", &s->sysctl,
sizeof(s->sysctl), TYPE_IOTKIT_SYSCTL);
sysbus_init_child_obj(obj, "iotkit-sysinfo", &s->sysinfo,
sizeof(s->sysinfo), TYPE_IOTKIT_SYSINFO);
object_initialize_child(obj, "nmi-orgate", &s->nmi_orgate,
sizeof(s->nmi_orgate), TYPE_OR_IRQ,
&error_abort, NULL);
@ -516,13 +519,20 @@ static void iotkit_realize(DeviceState *dev, Error **errp)
qdev_get_gpio_in_named(dev_apb_ppc1,
"cfg_sec_resp", 0));
/* Using create_unimplemented_device() maps the stub into the
* system address space rather than into our container, but the
* overall effect to the guest is the same.
*/
create_unimplemented_device("SYSINFO", 0x40020000, 0x1000);
create_unimplemented_device("SYSCONTROL", 0x50021000, 0x1000);
object_property_set_bool(OBJECT(&s->sysinfo), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
/* System information registers */
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sysinfo), 0, 0x40020000);
/* System control registers */
object_property_set_bool(OBJECT(&s->sysctl), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sysctl), 0, 0x50021000);
/* This OR gate wires together outputs from the secure watchdogs to NMI */
object_property_set_int(OBJECT(&s->nmi_orgate), 2, "num-lines", &err);

6
include/hw/arm/iotkit.h
View file

@ -58,7 +58,8 @@
#include "hw/timer/cmsdk-apb-timer.h"
#include "hw/timer/cmsdk-apb-dualtimer.h"
#include "hw/watchdog/cmsdk-apb-watchdog.h"
#include "hw/misc/unimp.h"
#include "hw/misc/iotkit-sysctl.h"
#include "hw/misc/iotkit-sysinfo.h"
#include "hw/or-irq.h"
#include "hw/core/split-irq.h"
@ -97,6 +98,9 @@ typedef struct IoTKit {
CMSDKAPBWatchdog nswatchdog;
CMSDKAPBWatchdog swatchdog;
IoTKitSysCtl sysctl;
IoTKitSysCtl sysinfo;
MemoryRegion container;
MemoryRegion alias1;
MemoryRegion alias2;