diff mbox series

[v3,6/9] hw/arm/bcm2836: Introduce the BCM2835 SoC

Message ID 20201018203358.1530378-7-f4bug@amsat.org
State New
Headers show
Series hw/arm: Add raspi Zero, 1A+ and 3A+ machines | expand

Commit Message

Philippe Mathieu-Daudé Oct. 18, 2020, 8:33 p.m. UTC 
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/hw/arm/bcm2836.h |  1 +
 hw/arm/bcm2836.c         | 34 ++++++++++++++++++++++++++++++++++
 hw/arm/raspi.c           |  2 ++
 3 files changed, 37 insertions(+)
diff mbox series

Patch

diff --git a/include/hw/arm/bcm2836.h b/include/hw/arm/bcm2836.h
index 43e9f8cd0ef..6f90cabfa3a 100644
--- a/include/hw/arm/bcm2836.h
+++ b/include/hw/arm/bcm2836.h
@@ -26,6 +26,7 @@  OBJECT_DECLARE_TYPE(BCM283XState, BCM283XClass, BCM283X)
  * them, code using these devices should always handle them via the
  * BCM283x base class, so they have no BCM2836(obj) etc macros.
  */
+#define TYPE_BCM2835 "bcm2835"
 #define TYPE_BCM2836 "bcm2836"
 #define TYPE_BCM2837 "bcm2837"
 
diff --git a/hw/arm/bcm2836.c b/hw/arm/bcm2836.c
index 7d975cf2f53..de7ade2878e 100644
--- a/hw/arm/bcm2836.c
+++ b/hw/arm/bcm2836.c
@@ -89,6 +89,25 @@  static bool bcm283x_common_realize(DeviceState *dev, Error **errp)
     return true;
 }
 
+static void bcm2835_realize(DeviceState *dev, Error **errp)
+{
+    BCM283XState *s = BCM283X(dev);
+
+    if (!bcm283x_common_realize(dev, errp)) {
+        return;
+    }
+
+    if (!qdev_realize(DEVICE(&s->cpu[0].core), NULL, errp)) {
+        return;
+    }
+
+    /* Connect irq/fiq outputs from the interrupt controller. */
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 0,
+            qdev_get_gpio_in(DEVICE(&s->cpu[0].core), ARM_CPU_IRQ));
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 1,
+            qdev_get_gpio_in(DEVICE(&s->cpu[0].core), ARM_CPU_FIQ));
+}
+
 static void bcm2836_realize(DeviceState *dev, Error **errp)
 {
     BCM283XState *s = BCM283X(dev);
@@ -159,6 +178,17 @@  static void bcm283x_class_init(ObjectClass *oc, void *data)
     dc->user_creatable = false;
 }
 
+static void bcm2835_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    BCM283XClass *bc = BCM283X_CLASS(oc);
+
+    bc->cpu_type = ARM_CPU_TYPE_NAME("arm1176");
+    bc->core_count = 1;
+    bc->peri_base = 0x20000000;
+    dc->realize = bcm2835_realize;
+};
+
 static void bcm2836_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -189,6 +219,10 @@  static void bcm2837_class_init(ObjectClass *oc, void *data)
 
 static const TypeInfo bcm283x_types[] = {
     {
+        .name           = TYPE_BCM2835,
+        .parent         = TYPE_BCM283X,
+        .class_init     = bcm2835_class_init,
+    }, {
         .name           = TYPE_BCM2836,
         .parent         = TYPE_BCM283X,
         .class_init     = bcm2836_class_init,
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index b5b30f0f38f..30fafa59ecb 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -70,6 +70,7 @@  FIELD(REV_CODE, MEMORY_SIZE,       20, 3);
 FIELD(REV_CODE, STYLE,             23, 1);
 
 typedef enum RaspiProcessorId {
+    PROCESSOR_ID_BCM2835 = 0,
     PROCESSOR_ID_BCM2836 = 1,
     PROCESSOR_ID_BCM2837 = 2,
 } RaspiProcessorId;
@@ -78,6 +79,7 @@  static const struct {
     const char *type;
     int cores_count;
 } soc_property[] = {
+    [PROCESSOR_ID_BCM2835] = {TYPE_BCM2835, 1},
     [PROCESSOR_ID_BCM2836] = {TYPE_BCM2836, BCM283X_NCPUS},
     [PROCESSOR_ID_BCM2837] = {TYPE_BCM2837, BCM283X_NCPUS},
 };