From: Jackson Donaldson <jackson88044@gmail.com>
Date: Fri, 4 Jul 2025 22:32:37 +0000 (-0400)
Subject: MAX78000: Add TRNG to SOC
X-Git-Tag: v10.1.0-rc0~26^2~27
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5adeb160322ff827f3e81f38e9481fb4896670e8;p=thirdparty%2Fqemu.git

MAX78000: Add TRNG to SOC

This commit adds TRNG to max78000_soc

Signed-off-by: Jackson Donaldson
Message-id: 20250704223239.248781-10-jcksn@duck.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/hw/arm/max78000_soc.c b/hw/arm/max78000_soc.c
index 45c6088312..3f2069fb03 100644
--- a/hw/arm/max78000_soc.c
+++ b/hw/arm/max78000_soc.c
@@ -43,6 +43,8 @@ static void max78000_soc_initfn(Object *obj)
                                 TYPE_MAX78000_UART);
     }
 
+    object_initialize_child(obj, "trng", &s->trng, TYPE_MAX78000_TRNG);
+
     s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0);
 }
 
@@ -124,6 +126,13 @@ static void max78000_soc_realize(DeviceState *dev_soc, Error **errp)
                                                        max78000_uart_irq[i]));
     }
 
+    dev = DEVICE(&s->trng);
+    sysbus_realize(SYS_BUS_DEVICE(dev), errp);
+    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x4004d000);
+    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(armv7m, 4));
+
+    object_property_set_link(OBJECT(gcrdev), "trng", OBJECT(dev), &err);
+
     dev = DEVICE(&s->gcr);
     sysbus_realize(SYS_BUS_DEVICE(dev), errp);
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x40000000);
@@ -166,7 +175,6 @@ static void max78000_soc_realize(DeviceState *dev_soc, Error **errp)
     create_unimplemented_device("semaphore",            0x4003e000, 0x1000);
 
     create_unimplemented_device("spi1",                 0x40046000, 0x2000);
-    create_unimplemented_device("trng",                 0x4004d000, 0x1000);
     create_unimplemented_device("i2s",                  0x40060000, 0x1000);
     create_unimplemented_device("lowPowerControl",      0x40080000, 0x400);
     create_unimplemented_device("gpio2",                0x40080400, 0x200);
diff --git a/include/hw/arm/max78000_soc.h b/include/hw/arm/max78000_soc.h
index 919aca0855..528598cfcb 100644
--- a/include/hw/arm/max78000_soc.h
+++ b/include/hw/arm/max78000_soc.h
@@ -14,6 +14,7 @@
 #include "hw/misc/max78000_gcr.h"
 #include "hw/misc/max78000_icc.h"
 #include "hw/char/max78000_uart.h"
+#include "hw/misc/max78000_trng.h"
 #include "qom/object.h"
 
 #define TYPE_MAX78000_SOC "max78000-soc"
@@ -39,6 +40,7 @@ struct MAX78000State {
     Max78000GcrState gcr;
     Max78000IccState icc[MAX78000_NUM_ICC];
     Max78000UartState uart[MAX78000_NUM_UART];
+    Max78000TrngState trng;
 
     Clock *sysclk;
 };