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hw/arm/iotkit: Instantiate MPC 

Wire up the one MPC that is part of the IoTKit itself. For the
moment we don't wire up its interrupt line.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20180620132032.28865-7-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-06-22 13:28:40 +01:00
parent 3fd3cb2f6f
commit af60b29183
2 changed files with 29 additions and 11 deletions
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38
hw/arm/iotkit.c
View File

@ -130,6 +130,7 @@ static void iotkit_init(Object *obj)
TYPE_TZ_PPC);
init_sysbus_child(obj, "apb-ppc1", &s->apb_ppc1, sizeof(s->apb_ppc1),
TYPE_TZ_PPC);
init_sysbus_child(obj, "mpc", &s->mpc, sizeof(s->mpc), TYPE_TZ_MPC);
init_sysbus_child(obj, "timer0", &s->timer0, sizeof(s->timer0),
TYPE_CMSDK_APB_TIMER);
init_sysbus_child(obj, "timer1", &s->timer1, sizeof(s->timer1),
@ -266,15 +267,6 @@ static void iotkit_realize(DeviceState *dev, Error **errp)
*/
make_alias(s, &s->alias3, "alias 3", 0x50000000, 0x10000000, 0x40000000);
/* This RAM should be behind a Memory Protection Controller, but we
* don't implement that yet.
*/
memory_region_init_ram(&s->sram0, NULL, "iotkit.sram0", 0x00008000, &err);
if (err) {
error_propagate(errp, err);
return;
}
memory_region_add_subregion(&s->container, 0x20000000, &s->sram0);
/* Security controller */
object_property_set_bool(OBJECT(&s->secctl), true, "realized", &err);
@ -310,6 +302,32 @@ static void iotkit_realize(DeviceState *dev, Error **errp)
qdev_connect_gpio_out_named(dev_secctl, "sec_resp_cfg", 0,
qdev_get_gpio_in(dev_splitter, 0));
/* This RAM lives behind the Memory Protection Controller */
memory_region_init_ram(&s->sram0, NULL, "iotkit.sram0", 0x00008000, &err);
if (err) {
error_propagate(errp, err);
return;
}
object_property_set_link(OBJECT(&s->mpc), OBJECT(&s->sram0),
"downstream", &err);
if (err) {
error_propagate(errp, err);
return;
}
object_property_set_bool(OBJECT(&s->mpc), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
/* Map the upstream end of the MPC into the right place... */
memory_region_add_subregion(&s->container, 0x20000000,
sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mpc),
1));
/* ...and its register interface */
memory_region_add_subregion(&s->container, 0x50083000,
sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mpc),
0));
/* Devices behind APB PPC0:
* 0x40000000: timer0
* 0x40001000: timer1
@ -473,8 +491,6 @@ static void iotkit_realize(DeviceState *dev, Error **errp)
create_unimplemented_device("NS watchdog", 0x40081000, 0x1000);
create_unimplemented_device("S watchdog", 0x50081000, 0x1000);
create_unimplemented_device("SRAM0 MPC", 0x50083000, 0x1000);
for (i = 0; i < ARRAY_SIZE(s->ppc_irq_splitter); i++) {
Object *splitter = OBJECT(&s->ppc_irq_splitter[i]);

2
include/hw/arm/iotkit.h
View File

@ -51,6 +51,7 @@
#include "hw/arm/armv7m.h"
#include "hw/misc/iotkit-secctl.h"
#include "hw/misc/tz-ppc.h"
#include "hw/misc/tz-mpc.h"
#include "hw/timer/cmsdk-apb-timer.h"
#include "hw/misc/unimp.h"
#include "hw/or-irq.h"
@ -74,6 +75,7 @@ typedef struct IoTKit {
IoTKitSecCtl secctl;
TZPPC apb_ppc0;
TZPPC apb_ppc1;
TZMPC mpc;
CMSDKAPBTIMER timer0;
CMSDKAPBTIMER timer1;
qemu_or_irq ppc_irq_orgate;