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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 19/29] wire in the dwc-hsotg (dwc2) USB host controller
emulation
Date: Fri, 5 Jun 2020 17:49:57 +0100
Message-Id: <20200605165007.12095-20-peter.maydell@linaro.org>
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From: Paul Zimmerman <pauldzim@gmail.com>
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>
---
include/hw/arm/bcm2835_peripherals.h | 3 ++-
hw/arm/bcm2835_peripherals.c | 21 ++++++++++++++++++++-
2 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/include/hw/arm/bcm2835_peripherals.h b/include/hw/arm/bcm2835_=
peripherals.h
index 7a7a8f61414..48a0ad16335 100644
--- a/include/hw/arm/bcm2835_peripherals.h
+++ b/include/hw/arm/bcm2835_peripherals.h
@@ -27,6 +27,7 @@
#include "hw/sd/bcm2835_sdhost.h"
#include "hw/gpio/bcm2835_gpio.h"
#include "hw/timer/bcm2835_systmr.h"
+#include "hw/usb/hcd-dwc2.h"
#include "hw/misc/unimp.h"
=20
#define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals"
@@ -67,7 +68,7 @@ typedef struct BCM2835PeripheralState {
UnimplementedDeviceState ave0;
UnimplementedDeviceState bscsl;
UnimplementedDeviceState smi;
- UnimplementedDeviceState dwc2;
+ DWC2State dwc2;
UnimplementedDeviceState sdramc;
} BCM2835PeripheralState;
=20
diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c
index b3e0495040d..cca5b5ad04f 100644
--- a/hw/arm/bcm2835_peripherals.c
+++ b/hw/arm/bcm2835_peripherals.c
@@ -129,6 +129,13 @@ static void bcm2835_peripherals_init(Object *obj)
/* Mphi */
sysbus_init_child_obj(obj, "mphi", &s->mphi, sizeof(s->mphi),
TYPE_BCM2835_MPHI);
+
+ /* DWC2 */
+ sysbus_init_child_obj(obj, "dwc2", &s->dwc2, sizeof(s->dwc2),
+ TYPE_DWC2_USB);
+
+ object_property_add_const_link(OBJECT(&s->dwc2), "dma-mr",
+ OBJECT(&s->gpu_bus_mr));
}
=20
static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
@@ -377,6 +384,19 @@ static void bcm2835_peripherals_realize(DeviceState *d=
ev, Error **errp)
qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
INTERRUPT_HOSTPORT));
=20
+ /* DWC2 */
+ object_property_set_bool(OBJECT(&s->dwc2), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ memory_region_add_subregion(&s->peri_mr, USB_OTG_OFFSET,
+ sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dwc2), 0));
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->dwc2), 0,
+ qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
+ INTERRUPT_USB));
+
create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, =
0x40);
create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
create_unimp(s, &s->a2w, "bcm2835-a2w", A2W_OFFSET, 0x1000);
@@ -390,7 +410,6 @@ static void bcm2835_peripherals_realize(DeviceState *de=
v, Error **errp)
create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80);
create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
- create_unimp(s, &s->dwc2, "dwc-usb2", USB_OTG_OFFSET, 0x1000);
create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
}
=20
--=20
2.20.1