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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 47/49] hw/arm/mps2-tz: Provide PL031 RTC on mps3-an524
Date: Fri, 5 Mar 2021 17:15:13 +0000
Message-Id: <20210305171515.1038-48-peter.maydell@linaro.org>
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The AN524 has a PL031 RTC, which we have a model of; provide it
rather than an unimplemented-device stub.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daud=C3=A9 <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210215115138.20465-23-peter.maydell@linaro.org
---
hw/arm/mps2-tz.c | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c
index c1bb52995ff..7466e71ab76 100644
--- a/hw/arm/mps2-tz.c
+++ b/hw/arm/mps2-tz.c
@@ -60,6 +60,7 @@
#include "hw/misc/tz-msc.h"
#include "hw/arm/armsse.h"
#include "hw/dma/pl080.h"
+#include "hw/rtc/pl031.h"
#include "hw/ssi/pl022.h"
#include "hw/i2c/arm_sbcon_i2c.h"
#include "hw/net/lan9118.h"
@@ -132,8 +133,8 @@ struct MPS2TZMachineState {
UnimplementedDeviceState gpio[4];
UnimplementedDeviceState gfx;
UnimplementedDeviceState cldc;
- UnimplementedDeviceState rtc;
UnimplementedDeviceState usb;
+ PL031State rtc;
PL080State dma[4];
TZMSC msc[4];
CMSDKAPBUART uart[6];
@@ -596,6 +597,23 @@ static MemoryRegion *make_i2c(MPS2TZMachineState *mms,=
void *opaque,
return sysbus_mmio_get_region(s, 0);
}
=20
+static MemoryRegion *make_rtc(MPS2TZMachineState *mms, void *opaque,
+ const char *name, hwaddr size,
+ const int *irqs)
+{
+ PL031State *pl031 =3D opaque;
+ SysBusDevice *s;
+
+ object_initialize_child(OBJECT(mms), name, pl031, TYPE_PL031);
+ s =3D SYS_BUS_DEVICE(pl031);
+ sysbus_realize(s, &error_fatal);
+ /*
+ * The board docs don't give an IRQ number for the PL031, so
+ * presumably it is not connected.
+ */
+ return sysbus_mmio_get_region(s, 0);
+}
+
static void create_non_mpc_ram(MPS2TZMachineState *mms)
{
/*
@@ -846,7 +864,7 @@ static void mps2tz_common_init(MachineState *machine)
=20
{ /* port 9 reserved */ },
{ "clcd", make_unimp_dev, &mms->cldc, 0x4130a000, 0x1000 },
- { "rtc", make_unimp_dev, &mms->rtc, 0x4130b000, 0x1000 },
+ { "rtc", make_rtc, &mms->rtc, 0x4130b000, 0x1000 },
},
}, {
.name =3D "ahb_ppcexp0",
--=20
2.20.1