[PATCH v2 08/15] hw/char: Remove TYPE_ETRAX_FS_SERIAL device

We just removed the single machine using it (axis-dev88). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/cris/etraxfs.h | 18 --- hw/char/etraxfs_ser.c | 267 -------------------------------------- hw/char/meson.build | 1 - 3 files changed, 286 deletions(-) delete mode 100644 hw/char/etraxfs_ser.c diff --git a/include/hw/cris/etraxfs.h b/include/hw/cris/etraxfs.h index 012c4e9974..6d23f6f13f 100644 --- a/include/hw/cris/etraxfs.h +++ b/include/hw/cris/etraxfs.h @@ -27,28 +27,10 @@ #include "net/net.h" #include "hw/cris/etraxfs_dma.h" -#include "hw/qdev-properties.h" -#include "hw/sysbus.h" #include "qapi/error.h" DeviceState *etraxfs_eth_init(hwaddr base, int phyaddr, struct etraxfs_dma_client *dma_out, struct etraxfs_dma_client *dma_in); -static inline DeviceState *etraxfs_ser_create(hwaddr addr, - qemu_irq irq, - Chardev *chr) -{ - DeviceState *dev; - SysBusDevice *s; - - dev = qdev_new("etraxfs-serial"); - s = SYS_BUS_DEVICE(dev); - qdev_prop_set_chr(dev, "chardev", chr); - sysbus_realize_and_unref(s, &error_fatal); - sysbus_mmio_map(s, 0, addr); - sysbus_connect_irq(s, 0, irq); - return dev; -} - #endif diff --git a/hw/char/etraxfs_ser.c b/hw/char/etraxfs_ser.c deleted file mode 100644 index 8d6422dae4..0000000000 --- a/hw/char/etraxfs_ser.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * QEMU ETRAX System Emulator - * - * Copyright (c) 2007 Edgar E. Iglesias, Axis Communications AB. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "hw/irq.h" -#include "hw/qdev-properties.h" -#include "hw/qdev-properties-system.h" -#include "hw/sysbus.h" -#include "chardev/char-fe.h" -#include "qemu/log.h" -#include "qemu/module.h" -#include "qom/object.h" - -#define D(x) - -#define RW_TR_CTRL (0x00 / 4) -#define RW_TR_DMA_EN (0x04 / 4) -#define RW_REC_CTRL (0x08 / 4) -#define RW_DOUT (0x1c / 4) -#define RS_STAT_DIN (0x20 / 4) -#define R_STAT_DIN (0x24 / 4) -#define RW_INTR_MASK (0x2c / 4) -#define RW_ACK_INTR (0x30 / 4) -#define R_INTR (0x34 / 4) -#define R_MASKED_INTR (0x38 / 4) -#define R_MAX (0x3c / 4) - -#define STAT_DAV 16 -#define STAT_TR_IDLE 22 -#define STAT_TR_RDY 24 - -#define TYPE_ETRAX_FS_SERIAL "etraxfs-serial" -typedef struct ETRAXSerial ETRAXSerial; -DECLARE_INSTANCE_CHECKER(ETRAXSerial, ETRAX_SERIAL, - TYPE_ETRAX_FS_SERIAL) - -struct ETRAXSerial { - SysBusDevice parent_obj; - - MemoryRegion mmio; - CharBackend chr; - qemu_irq irq; - - int pending_tx; - - uint8_t rx_fifo[16]; - unsigned int rx_fifo_pos; - unsigned int rx_fifo_len; - - /* Control registers. */ - uint32_t regs[R_MAX]; -}; - -static void ser_update_irq(ETRAXSerial *s) -{ - - if (s->rx_fifo_len) { - s->regs[R_INTR] |= 8; - } else { - s->regs[R_INTR] &= ~8; - } - - s->regs[R_MASKED_INTR] = s->regs[R_INTR] & s->regs[RW_INTR_MASK]; - qemu_set_irq(s->irq, !!s->regs[R_MASKED_INTR]); -} - -static uint64_t -ser_read(void *opaque, hwaddr addr, unsigned int size) -{ - ETRAXSerial *s = opaque; - uint32_t r = 0; - - addr >>= 2; - switch (addr) - { - case R_STAT_DIN: - r = s->rx_fifo[(s->rx_fifo_pos - s->rx_fifo_len) & 15]; - if (s->rx_fifo_len) { - r |= 1 << STAT_DAV; - } - r |= 1 << STAT_TR_RDY; - r |= 1 << STAT_TR_IDLE; - break; - case RS_STAT_DIN: - r = s->rx_fifo[(s->rx_fifo_pos - s->rx_fifo_len) & 15]; - if (s->rx_fifo_len) { - r |= 1 << STAT_DAV; - s->rx_fifo_len--; - } - r |= 1 << STAT_TR_RDY; - r |= 1 << STAT_TR_IDLE; - break; - default: - r = s->regs[addr]; - D(qemu_log("%s " HWADDR_FMT_plx "=%x\n", __func__, addr, r)); - break; - } - return r; -} - -static void -ser_write(void *opaque, hwaddr addr, - uint64_t val64, unsigned int size) -{ - ETRAXSerial *s = opaque; - uint32_t value = val64; - unsigned char ch = val64; - - D(qemu_log("%s " HWADDR_FMT_plx "=%x\n", __func__, addr, value)); - addr >>= 2; - switch (addr) - { - case RW_DOUT: - /* XXX this blocks entire thread. Rewrite to use - * qemu_chr_fe_write and background I/O callbacks */ - qemu_chr_fe_write_all(&s->chr, &ch, 1); - s->regs[R_INTR] |= 3; - s->pending_tx = 1; - s->regs[addr] = value; - break; - case RW_ACK_INTR: - if (s->pending_tx) { - value &= ~1; - s->pending_tx = 0; - D(qemu_log("fixedup value=%x r_intr=%x\n", - value, s->regs[R_INTR])); - } - s->regs[addr] = value; - s->regs[R_INTR] &= ~value; - D(printf("r_intr=%x\n", s->regs[R_INTR])); - break; - default: - s->regs[addr] = value; - break; - } - ser_update_irq(s); -} - -static const MemoryRegionOps ser_ops = { - .read = ser_read, - .write = ser_write, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 4, - .max_access_size = 4 - } -}; - -static Property etraxfs_ser_properties[] = { - DEFINE_PROP_CHR("chardev", ETRAXSerial, chr), - DEFINE_PROP_END_OF_LIST(), -}; - -static void serial_receive(void *opaque, const uint8_t *buf, int size) -{ - ETRAXSerial *s = opaque; - int i; - - /* Got a byte. */ - if (s->rx_fifo_len >= 16) { - D(qemu_log("WARNING: UART dropped char.\n")); - return; - } - - for (i = 0; i < size; i++) { - s->rx_fifo[s->rx_fifo_pos] = buf[i]; - s->rx_fifo_pos++; - s->rx_fifo_pos &= 15; - s->rx_fifo_len++; - } - - ser_update_irq(s); -} - -static int serial_can_receive(void *opaque) -{ - ETRAXSerial *s = opaque; - - /* Is the receiver enabled? */ - if (!(s->regs[RW_REC_CTRL] & (1 << 3))) { - return 0; - } - - return sizeof(s->rx_fifo) - s->rx_fifo_len; -} - -static void serial_event(void *opaque, QEMUChrEvent event) -{ - -} - -static void etraxfs_ser_reset(DeviceState *d) -{ - ETRAXSerial *s = ETRAX_SERIAL(d); - - /* transmitter begins ready and idle. */ - s->regs[RS_STAT_DIN] |= (1 << STAT_TR_RDY); - s->regs[RS_STAT_DIN] |= (1 << STAT_TR_IDLE); - - s->regs[RW_REC_CTRL] = 0x10000; - -} - -static void etraxfs_ser_init(Object *obj) -{ - ETRAXSerial *s = ETRAX_SERIAL(obj); - SysBusDevice *dev = SYS_BUS_DEVICE(obj); - - sysbus_init_irq(dev, &s->irq); - memory_region_init_io(&s->mmio, obj, &ser_ops, s, - "etraxfs-serial", R_MAX * 4); - sysbus_init_mmio(dev, &s->mmio); -} - -static void etraxfs_ser_realize(DeviceState *dev, Error **errp) -{ - ETRAXSerial *s = ETRAX_SERIAL(dev); - - qemu_chr_fe_set_handlers(&s->chr, - serial_can_receive, serial_receive, - serial_event, NULL, s, NULL, true); -} - -static void etraxfs_ser_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->reset = etraxfs_ser_reset; - device_class_set_props(dc, etraxfs_ser_properties); - dc->realize = etraxfs_ser_realize; -} - -static const TypeInfo etraxfs_ser_info = { - .name = TYPE_ETRAX_FS_SERIAL, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(ETRAXSerial), - .instance_init = etraxfs_ser_init, - .class_init = etraxfs_ser_class_init, -}; - -static void etraxfs_serial_register_types(void) -{ - type_register_static(&etraxfs_ser_info); -} - -type_init(etraxfs_serial_register_types) diff --git a/hw/char/meson.build b/hw/char/meson.build index e5b13b6958..a4c4c5ff0f 100644 --- a/hw/char/meson.build +++ b/hw/char/meson.build @@ -1,7 +1,6 @@ system_ss.add(when: 'CONFIG_CADENCE', if_true: files('cadence_uart.c')) system_ss.add(when: 'CONFIG_CMSDK_APB_UART', if_true: files('cmsdk-apb-uart.c')) system_ss.add(when: 'CONFIG_ESCC', if_true: files('escc.c')) -system_ss.add(when: 'CONFIG_ETRAXFS', if_true: files('etraxfs_ser.c')) system_ss.add(when: 'CONFIG_GRLIB', if_true: files('grlib_apbuart.c')) system_ss.add(when: 'CONFIG_IBEX', if_true: files('ibex_uart.c')) system_ss.add(when: 'CONFIG_IMX', if_true: files('imx_serial.c')) -- 2.45.2