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

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;