diff mbox series

[22/24] hw/arm/mps2-tz: Provide PL031 RTC on mps3-an524

Message ID 20210205170019.25319-23-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series hw/arm: New board model mps3-an524 | expand

Commit Message

Peter Maydell Feb. 5, 2021, 5 p.m. UTC 
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>
---
 hw/arm/mps2-tz.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

Comments

Philippe Mathieu-Daudé Feb. 12, 2021, 6:35 p.m. UTC | #1 
On 2/5/21 6:00 PM, Peter Maydell wrote:
> 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>
> ---
>  hw/arm/mps2-tz.c | 22 ++++++++++++++++++++--
>  1 file changed, 20 insertions(+), 2 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
diff mbox series

Patch

diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c
index db1afa4bd22..27feb36616e 100644
--- a/hw/arm/mps2-tz.c
+++ b/hw/arm/mps2-tz.c
@@ -59,6 +59,7 @@ 
 #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"
@@ -131,8 +132,8 @@  struct MPS2TZMachineState {
     UnimplementedDeviceState gpio[4];
     UnimplementedDeviceState gfx;
     UnimplementedDeviceState cldc;
-    UnimplementedDeviceState rtc;
     UnimplementedDeviceState usb;
+    PL031State rtc;
     PL080State dma[4];
     TZMSC msc[4];
     CMSDKAPBUART uart[6];
@@ -595,6 +596,23 @@  static MemoryRegion *make_i2c(MPS2TZMachineState *mms, void *opaque,
     return sysbus_mmio_get_region(s, 0);
 }
 
+static MemoryRegion *make_rtc(MPS2TZMachineState *mms, void *opaque,
+                              const char *name, hwaddr size,
+                              const int *irqs)
+{
+    PL031State *pl031 = opaque;
+    SysBusDevice *s;
+
+    object_initialize_child(OBJECT(mms), name, pl031, TYPE_PL031);
+    s = 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)
 {
     /*
@@ -845,7 +863,7 @@  static void mps2tz_common_init(MachineState *machine)
 
                 { /* 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 = "ahb_ppcexp0",