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hw/char: QOM'ify xilinx_uartlite model 

* drop qemu_char_get_next_serial and use chardev prop
* create xilinx_uartlite_create wrapper function to create
  xilinx_uartlite device
* change affected board code to use the new way

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-6-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
xiaoqiang zhao 2016-06-06 16:59:32 +01:00 committed by Peter Maydell
parent 7bd43519da
commit 1b6d0781c2
3 changed files with 44 additions and 6 deletions
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10
hw/char/xilinx_uartlite.c
View File

@ -172,6 +172,11 @@ static const MemoryRegionOps uart_ops = {
}
};
static Property xilinx_uartlite_properties[] = {
DEFINE_PROP_CHR("chardev", XilinxUARTLite, chr),
DEFINE_PROP_END_OF_LIST(),
};
static void uart_rx(void *opaque, const uint8_t *buf, int size)
{
XilinxUARTLite *s = opaque;
@ -206,8 +211,6 @@ static void xilinx_uartlite_realize(DeviceState *dev, Error **errp)
{
XilinxUARTLite *s = XILINX_UARTLITE(dev);
/* FIXME use a qdev chardev prop instead of qemu_char_get_next_serial() */
s->chr = qemu_char_get_next_serial();
if (s->chr)
qemu_chr_add_handlers(s->chr, uart_can_rx, uart_rx, uart_event, s);
}
@ -229,8 +232,7 @@ static void xilinx_uartlite_class_init(ObjectClass *klass, void *data)
dc->reset = xilinx_uartlite_reset;
dc->realize = xilinx_uartlite_realize;
/* Reason: realize() method uses qemu_char_get_next_serial() */
dc->cannot_instantiate_with_device_add_yet = true;
dc->props = xilinx_uartlite_properties;
}
static const TypeInfo xilinx_uartlite_info = {

5
hw/microblaze/petalogix_s3adsp1800_mmu.c
View File

@ -36,6 +36,7 @@
#include "hw/boards.h"
#include "sysemu/block-backend.h"
#include "exec/address-spaces.h"
#include "hw/char/xilinx_uartlite.h"
#include "boot.h"
@ -103,8 +104,8 @@ petalogix_s3adsp1800_init(MachineState *machine)
irq[i] = qdev_get_gpio_in(dev, i);
}
sysbus_create_simple("xlnx.xps-uartlite", UARTLITE_BASEADDR,
irq[UARTLITE_IRQ]);
xilinx_uartlite_create(UARTLITE_BASEADDR, irq[UARTLITE_IRQ],
serial_hds[0]);
/* 2 timers at irq 2 @ 62 Mhz. */
dev = qdev_create(NULL, "xlnx.xps-timer");

35
include/hw/char/xilinx_uartlite.h Normal file
View File

@ -0,0 +1,35 @@
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef XILINX_UARTLITE_H
#define XILINX_UARTLITE_H
static inline DeviceState *xilinx_uartlite_create(hwaddr addr,
qemu_irq irq,
CharDriverState *chr)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, "xlnx.xps-uartlite");
s = SYS_BUS_DEVICE(dev);
qdev_prop_set_chr(dev, "chardev", chr);
qdev_init_nofail(dev);
sysbus_mmio_map(s, 0, addr);
sysbus_connect_irq(s, 0, irq);
return dev;
}
#endif