hw/arm: Add memory region for BCM2837 RPiVid ASB
Signed-off-by: Sergey Kambalin <sergey.kambalin@auriga.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240226000259.2752893-13-sergey.kambalin@auriga.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/hw/arm/bcm2838_peripherals.c b/hw/arm/bcm2838_peripherals.c
index 55ae567..ca2f37b 100644
--- a/hw/arm/bcm2838_peripherals.c
+++ b/hw/arm/bcm2838_peripherals.c
@@ -185,6 +185,9 @@
sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus");
+
+ /* BCM2838 RPiVid ASB must be mapped to prevent kernel crash */
+ create_unimp(s_base, &s->asb, "bcm2838-asb", BRDG_OFFSET, 0x24);
}
static void bcm2838_peripherals_class_init(ObjectClass *oc, void *data)
diff --git a/include/hw/arm/bcm2838_peripherals.h b/include/hw/arm/bcm2838_peripherals.h
index 86b0d96..af08593 100644
--- a/include/hw/arm/bcm2838_peripherals.h
+++ b/include/hw/arm/bcm2838_peripherals.h
@@ -69,6 +69,8 @@
OrIRQState mmc_irq_orgate;
OrIRQState dma_7_8_irq_orgate;
OrIRQState dma_9_10_irq_orgate;
+
+ UnimplementedDeviceState asb;
};
struct BCM2838PeripheralClass {
diff --git a/include/hw/arm/raspi_platform.h b/include/hw/arm/raspi_platform.h
index 0db146e..7bc4807 100644
--- a/include/hw/arm/raspi_platform.h
+++ b/include/hw/arm/raspi_platform.h
@@ -73,7 +73,7 @@
#define MPHI_OFFSET 0x6000 /* Message-based Parallel Host Intf. */
#define DMA_OFFSET 0x7000 /* DMA controller, channels 0-14 */
#define ARBA_OFFSET 0x9000
-#define BRDG_OFFSET 0xa000
+#define BRDG_OFFSET 0xa000 /* RPiVid ASB for BCM2838 (BCM2711) */
#define ARM_OFFSET 0xB000 /* ARM control block */
#define ARMCTRL_OFFSET (ARM_OFFSET + 0x000)
#define ARMCTRL_IC_OFFSET (ARM_OFFSET + 0x200) /* Interrupt controller */
