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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Date: Fri, 22 Jun 2018 13:57:07 +0100
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Subject: [Qemu-devel] [PULL 22/28] hw/arm/iotkit: Instantiate MPC
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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 Benn=C3=A9e <alex.bennee@linaro.org>
Message-id: 20180620132032.28865-7-peter.maydell@linaro.org
---
include/hw/arm/iotkit.h | 2 ++
hw/arm/iotkit.c | 38 +++++++++++++++++++++++++++-----------
2 files changed, 29 insertions(+), 11 deletions(-)
diff --git a/include/hw/arm/iotkit.h b/include/hw/arm/iotkit.h
index c6129d926b6..b21cf1ab9d1 100644
--- a/include/hw/arm/iotkit.h
+++ b/include/hw/arm/iotkit.h
@@ -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;
diff --git a/hw/arm/iotkit.c b/hw/arm/iotkit.c
index 234185e8f78..160e40c7449 100644
--- a/hw/arm/iotkit.c
+++ b/hw/arm/iotkit.c
@@ -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 **e=
rrp)
*/
make_alias(s, &s->alias3, "alias 3", 0x50000000, 0x10000000, 0x4000000=
0);
=20
- /* 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, &e=
rr);
- if (err) {
- error_propagate(errp, err);
- return;
- }
- memory_region_add_subregion(&s->container, 0x20000000, &s->sram0);
=20
/* Security controller */
object_property_set_bool(OBJECT(&s->secctl), true, "realized", &err);
@@ -310,6 +302,32 @@ static void iotkit_realize(DeviceState *dev, Error **e=
rrp)
qdev_connect_gpio_out_named(dev_secctl, "sec_resp_cfg", 0,
qdev_get_gpio_in(dev_splitter, 0));
=20
+ /* This RAM lives behind the Memory Protection Controller */
+ memory_region_init_ram(&s->sram0, NULL, "iotkit.sram0", 0x00008000, &e=
rr);
+ 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 **er=
rp)
create_unimplemented_device("NS watchdog", 0x40081000, 0x1000);
create_unimplemented_device("S watchdog", 0x50081000, 0x1000);
=20
- create_unimplemented_device("SRAM0 MPC", 0x50083000, 0x1000);
-
for (i =3D 0; i < ARRAY_SIZE(s->ppc_irq_splitter); i++) {
Object *splitter =3D OBJECT(&s->ppc_irq_splitter[i]);
=20
--=20
2.17.1