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@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-ID: <20240904143603.52934-9-philmd@linaro.org>
diff --git a/hw/char/etraxfs_ser.c b/hw/char/etraxfs_ser.c
deleted file mode 100644
index 97fa971..0000000
--- 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);
-
- device_class_set_legacy_reset(dc, 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 e5b13b6..a4c4c5f 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'))
diff --git a/include/hw/cris/etraxfs.h b/include/hw/cris/etraxfs.h
index 012c4e9..6d23f6f 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
