jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
wire in the dwc-hsotg (dwc2) USB host controller emulation
Wire the dwc-hsotg (dwc2) emulation into Qemu
Signed-off-by: Paul Zimmerman <pauldzim@gmail.com>
Reviewed-by: Philippe Mathieu-Daude <f4bug@amsat.org>
Message-id: 20200520235349.21215-7-pauldzim@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
authored by
Paul Zimmerman
and committed by
Peter Maydell
60bf734e
7ad3d51e
+22
-2
+20
-1
hw/arm/bcm2835_peripherals.c
+20
-1
hw/arm/bcm2835_peripherals.c
···
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/* Mphi */
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sysbus_init_child_obj(obj, "mphi", &s->mphi, sizeof(s->mphi),
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TYPE_BCM2835_MPHI);
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/* DWC2 */
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sysbus_init_child_obj(obj, "dwc2", &s->dwc2, sizeof(s->dwc2),
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TYPE_DWC2_USB);
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object_property_add_const_link(OBJECT(&s->dwc2), "dma-mr",
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OBJECT(&s->gpu_bus_mr));
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}
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static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
···
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qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
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INTERRUPT_HOSTPORT));
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/* DWC2 */
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object_property_set_bool(OBJECT(&s->dwc2), true, "realized", &err);
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if (err) {
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error_propagate(errp, err);
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return;
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}
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memory_region_add_subregion(&s->peri_mr, USB_OTG_OFFSET,
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sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dwc2), 0));
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->dwc2), 0,
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qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
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INTERRUPT_USB));
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create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
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create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
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create_unimp(s, &s->a2w, "bcm2835-a2w", A2W_OFFSET, 0x1000);
···
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create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80);
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create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
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create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
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create_unimp(s, &s->dwc2, "dwc-usb2", USB_OTG_OFFSET, 0x1000);
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create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
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}
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+2
-1
include/hw/arm/bcm2835_peripherals.h
+2
-1
include/hw/arm/bcm2835_peripherals.h
···
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#include "hw/sd/bcm2835_sdhost.h"
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#include "hw/gpio/bcm2835_gpio.h"
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#include "hw/timer/bcm2835_systmr.h"
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#include "hw/usb/hcd-dwc2.h"
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#include "hw/misc/unimp.h"
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#define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals"
···
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UnimplementedDeviceState ave0;
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UnimplementedDeviceState bscsl;
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UnimplementedDeviceState smi;
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UnimplementedDeviceState dwc2;
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DWC2State dwc2;
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UnimplementedDeviceState sdramc;
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} BCM2835PeripheralState;
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