Base addresses and sizes taken from the "BCM2835 ARM Peripherals"
datasheet from February 06 2012:
https://www.raspberrypi.org/app/uploads/2012/02/BCM2835-ARM-Peripherals.pdf
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
hw/arm/bcm2835_peripherals.c | 26 ++++++++++++++++++++++++++
include/hw/arm/bcm2835_peripherals.h | 10 ++++++++++
include/hw/arm/raspi_platform.h | 2 ++
3 files changed, 38 insertions(+)
diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c
index 6d742ffe37..108c058d17 100644
--- a/hw/arm/bcm2835_peripherals.c
+++ b/hw/arm/bcm2835_peripherals.c
@@ -21,6 +21,20 @@
/* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
#define BCM2835_SDHC_CAPAREG 0x52134b4
+static void create_unimp(BCM2835PeripheralState *ps,
+ UnimplementedDeviceState *uds,
+ const char *name, hwaddr ofs, hwaddr size)
+{
+ sysbus_init_child_obj(OBJECT(ps), name, uds,
+ sizeof(UnimplementedDeviceState),
+ TYPE_UNIMPLEMENTED_DEVICE);
+ qdev_prop_set_string(DEVICE(uds), "name", name);
+ qdev_prop_set_uint64(DEVICE(uds), "size", size);
+ object_property_set_bool(OBJECT(uds), true, "realized", &error_fatal);
+ memory_region_add_subregion(&ps->peri_mr, ofs,
+ sysbus_mmio_get_region(SYS_BUS_DEVICE(uds),
0));
+}
+
static void bcm2835_peripherals_init(Object *obj)
{
BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
@@ -334,6 +348,18 @@ static void bcm2835_peripherals_realize(DeviceState *dev,
Error **errp)
error_propagate(errp, err);
return;
}
+
+ create_unimp(s, &s->pm, "bcm2835-pm", PM_OFFSET, 0x1000);
+ create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
+ create_unimp(s, &s->a2w, "bcm2835-a2w", 0x102000, 0x1000);
+ create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
+ create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
+ create_unimp(s, &s->spi0, "bcm2835-spi0", SPI0_OFFSET, 0x20);
+ create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
+ create_unimp(s, &s->i2c[0], "bcm2835-i2c0", BSC0_OFFSET, 0x20);
+ create_unimp(s, &s->i2c[1], "bcm2835-i2c1", BSC1_OFFSET, 0x20);
+ create_unimp(s, &s->i2c[2], "bcm2835-i2c2", BSC2_OFFSET, 0x20);
+ create_unimp(s, &s->dwc2, "dwc-usb2", USB_OFFSET, 0x100);
}
static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
diff --git a/include/hw/arm/bcm2835_peripherals.h
b/include/hw/arm/bcm2835_peripherals.h
index f5b193f670..6fb52d20a8 100644
--- a/include/hw/arm/bcm2835_peripherals.h
+++ b/include/hw/arm/bcm2835_peripherals.h
@@ -23,6 +23,7 @@
#include "hw/sd/sdhci.h"
#include "hw/sd/bcm2835_sdhost.h"
#include "hw/gpio/bcm2835_gpio.h"
+#include "hw/misc/unimp.h"
#define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals"
#define BCM2835_PERIPHERALS(obj) \
@@ -37,6 +38,9 @@ typedef struct BCM2835PeripheralState {
MemoryRegion ram_alias[4];
qemu_irq irq, fiq;
+ UnimplementedDeviceState pm;
+ UnimplementedDeviceState cprman;
+ UnimplementedDeviceState a2w;
SysBusDevice *uart0;
BCM2835AuxState aux;
BCM2835FBState fb;
@@ -48,6 +52,12 @@ typedef struct BCM2835PeripheralState {
SDHCIState sdhci;
BCM2835SDHostState sdhost;
BCM2835GpioState gpio;
+ UnimplementedDeviceState i2s;
+ UnimplementedDeviceState spi0;
+ UnimplementedDeviceState i2c[3];
+ UnimplementedDeviceState bscsl;
+ UnimplementedDeviceState smi;
+ UnimplementedDeviceState dwc2;
} BCM2835PeripheralState;
#endif /* BCM2835_PERIPHERALS_H */
diff --git a/include/hw/arm/raspi_platform.h b/include/hw/arm/raspi_platform.h
index 105876dc0b..ec14db236b 100644
--- a/include/hw/arm/raspi_platform.h
+++ b/include/hw/arm/raspi_platform.h
@@ -44,10 +44,12 @@
#define I2S_OFFSET 0x203000
#define SPI0_OFFSET 0x204000
#define BSC0_OFFSET 0x205000 /* BSC0 I2C/TWI */
+#define BSC_SL_OFFSET 0x214000 /* SPI slave */
#define AUX_OFFSET 0x215000 /* AUX: UART1/SPI1/SPI2 */
#define EMMC_OFFSET 0x300000
#define SMI_OFFSET 0x600000
#define BSC1_OFFSET 0x804000 /* BSC1 I2C/TWI */
+#define BSC2_OFFSET 0x805000 /* BSC2 I2C/TWI */
#define USB_OFFSET 0x980000 /* DTC_OTG USB controller */
#define DMA15_OFFSET 0xE05000 /* DMA controller, channel 15 */
--
2.17.2
