From 1b6d0781c29412d8a152a39178a91c634d47a823 Mon Sep 17 00:00:00 2001 From: xiaoqiang zhao Date: Mon, 6 Jun 2016 16:59:32 +0100 Subject: [PATCH] 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 Message-id: 1465028065-5855-6-git-send-email-zxq_yx_007@163.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/char/xilinx_uartlite.c | 10 ++++--- hw/microblaze/petalogix_s3adsp1800_mmu.c | 5 ++-- include/hw/char/xilinx_uartlite.h | 35 ++++++++++++++++++++++++ 3 files changed, 44 insertions(+), 6 deletions(-) create mode 100644 include/hw/char/xilinx_uartlite.h diff --git a/hw/char/xilinx_uartlite.c b/hw/char/xilinx_uartlite.c index 911af4a0d7..4847efb29f 100644 --- a/hw/char/xilinx_uartlite.c +++ b/hw/char/xilinx_uartlite.c @@ -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 = { diff --git a/hw/microblaze/petalogix_s3adsp1800_mmu.c b/hw/microblaze/petalogix_s3adsp1800_mmu.c index f821e1cfef..423bcd7f6c 100644 --- a/hw/microblaze/petalogix_s3adsp1800_mmu.c +++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c @@ -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"); diff --git a/include/hw/char/xilinx_uartlite.h b/include/hw/char/xilinx_uartlite.h new file mode 100644 index 0000000000..8b4fc54953 --- /dev/null +++ b/include/hw/char/xilinx_uartlite.h @@ -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 . + */ + +#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