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hw/arm/mps2-tz: Stub out USB controller for mps3-an524 

The AN524 has a USB controller (an ISP1763); we don't have a model of
it but we should provide a stub "unimplemented-device" for it.  This
is slightly complicated because the USB controller shares a PPC port
with the ethernet controller.

Implement a make_* function which provides creates a container
MemoryRegion with both the ethernet controller and an
unimplemented-device stub for the USB controller.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210215115138.20465-22-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-02-15 11:51:35 +00:00
parent 25ff112a8c
commit a9597753d1
1 changed files with 47 additions and 1 deletions
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48
hw/arm/mps2-tz.c
View File

@ -120,6 +120,8 @@ struct MPS2TZMachineState {
ARMSSE iotkit;
MemoryRegion ram[MPS2TZ_RAM_MAX];
MemoryRegion eth_usb_container;
MPS2SCC scc;
MPS2FPGAIO fpgaio;
TZPPC ppc[5];
@ -131,6 +133,7 @@ struct MPS2TZMachineState {
UnimplementedDeviceState gfx;
UnimplementedDeviceState cldc;
UnimplementedDeviceState rtc;
UnimplementedDeviceState usb;
PL080State dma[4];
TZMSC msc[4];
CMSDKAPBUART uart[6];
@ -442,6 +445,49 @@ static MemoryRegion *make_eth_dev(MPS2TZMachineState *mms, void *opaque,
return sysbus_mmio_get_region(s, 0);
}
static MemoryRegion *make_eth_usb(MPS2TZMachineState *mms, void *opaque,
const char *name, hwaddr size,
const int *irqs)
{
/*
* The AN524 makes the ethernet and USB share a PPC port.
* irqs[] is the ethernet IRQ.
*/
SysBusDevice *s;
NICInfo *nd = &nd_table[0];
memory_region_init(&mms->eth_usb_container, OBJECT(mms),
"mps2-tz-eth-usb-container", 0x200000);
/*
* In hardware this is a LAN9220; the LAN9118 is software compatible
* except that it doesn't support the checksum-offload feature.
*/
qemu_check_nic_model(nd, "lan9118");
mms->lan9118 = qdev_new(TYPE_LAN9118);
qdev_set_nic_properties(mms->lan9118, nd);
s = SYS_BUS_DEVICE(mms->lan9118);
sysbus_realize_and_unref(s, &error_fatal);
sysbus_connect_irq(s, 0, get_sse_irq_in(mms, irqs[0]));
memory_region_add_subregion(&mms->eth_usb_container,
0, sysbus_mmio_get_region(s, 0));
/* The USB OTG controller is an ISP1763; we don't have a model of it. */
object_initialize_child(OBJECT(mms), "usb-otg",
&mms->usb, TYPE_UNIMPLEMENTED_DEVICE);
qdev_prop_set_string(DEVICE(&mms->usb), "name", "usb-otg");
qdev_prop_set_uint64(DEVICE(&mms->usb), "size", 0x100000);
s = SYS_BUS_DEVICE(&mms->usb);
sysbus_realize(s, &error_fatal);
memory_region_add_subregion(&mms->eth_usb_container,
0x100000, sysbus_mmio_get_region(s, 0));
return &mms->eth_usb_container;
}
static MemoryRegion *make_mpc(MPS2TZMachineState *mms, void *opaque,
const char *name, hwaddr size,
const int *irqs)
@ -819,7 +865,7 @@ static void mps2tz_common_init(MachineState *machine)
{ "gpio1", make_unimp_dev, &mms->gpio[1], 0x41101000, 0x1000 },
{ "gpio2", make_unimp_dev, &mms->gpio[2], 0x41102000, 0x1000 },
{ "gpio3", make_unimp_dev, &mms->gpio[3], 0x41103000, 0x1000 },
{ "eth", make_eth_dev, NULL, 0x41400000, 0x100000, { 48 } },
{ "eth-usb", make_eth_usb, NULL, 0x41400000, 0x200000, { 48 } },
},
},
};