Drop the deprecated lm32 target

Target lm32 was deprecated in commit d8498005122, v5.2.0.  See there
for rationale.

Some of its code lives on in device models derived from milkymist
ones: hw/char/digic-uart.c and hw/display/bcm2835_fb.c.

Cc: Michael Walle <michael@walle.cc>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210503084034.3804963-2-armbru@redhat.com>
Acked-by: Michael Walle <michael@walle.cc>
[Trivial conflicts resolved, reST markup fixed]

3 files changed, 0 insertions, 327 deletions

diff --git a/hw/input/meson.build b/hw/input/meson.build
index 0042c3f0dc..8deb011d4a 100644
--- a/hw/input/meson.build
+++ b/hw/input/meson.build
@@ -13,7 +13,6 @@ softmmu_ss.add(when: 'CONFIG_VIRTIO_INPUT', if_true: files('virtio-input-hid.c')
 softmmu_ss.add(when: 'CONFIG_VIRTIO_INPUT_HOST', if_true: files('virtio-input-host.c'))
 softmmu_ss.add(when: 'CONFIG_VHOST_USER_INPUT', if_true: files('vhost-user-input.c'))
 
-softmmu_ss.add(when: 'CONFIG_MILKYMIST', if_true: files('milkymist-softusb.c'))
 softmmu_ss.add(when: 'CONFIG_PXA2XX', if_true: files('pxa2xx_keypad.c'))
 softmmu_ss.add(when: 'CONFIG_TSC210X', if_true: files('tsc210x.c'))
 softmmu_ss.add(when: 'CONFIG_LASIPS2', if_true: files('lasips2.c'))
diff --git a/hw/input/milkymist-softusb.c b/hw/input/milkymist-softusb.c
deleted file mode 100644
index d885c708d7..0000000000
--- a/hw/input/milkymist-softusb.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
- *  QEMU model of the Milkymist SoftUSB block.
- *
- *  Copyright (c) 2010 Michael Walle <michael@walle.cc>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- *
- *
- * Specification available at:
- *   not available yet
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "hw/sysbus.h"
-#include "migration/vmstate.h"
-#include "trace.h"
-#include "ui/console.h"
-#include "hw/input/hid.h"
-#include "hw/irq.h"
-#include "hw/qdev-properties.h"
-#include "qemu/error-report.h"
-#include "qemu/module.h"
-#include "qom/object.h"
-
-enum {
-    R_CTRL = 0,
-    R_MAX
-};
-
-enum {
-    CTRL_RESET = (1<<0),
-};
-
-#define COMLOC_DEBUG_PRODUCE 0x1000
-#define COMLOC_DEBUG_BASE    0x1001
-#define COMLOC_MEVT_PRODUCE  0x1101
-#define COMLOC_MEVT_BASE     0x1102
-#define COMLOC_KEVT_PRODUCE  0x1142
-#define COMLOC_KEVT_BASE     0x1143
-
-#define TYPE_MILKYMIST_SOFTUSB "milkymist-softusb"
-OBJECT_DECLARE_SIMPLE_TYPE(MilkymistSoftUsbState, MILKYMIST_SOFTUSB)
-
-struct MilkymistSoftUsbState {
-    SysBusDevice parent_obj;
-
-    HIDState hid_kbd;
-    HIDState hid_mouse;
-
-    MemoryRegion regs_region;
-    MemoryRegion pmem;
-    MemoryRegion dmem;
-    qemu_irq irq;
-
-    void *pmem_ptr;
-    void *dmem_ptr;
-
-    /* device properties */
-    uint32_t pmem_size;
-    uint32_t dmem_size;
-
-    /* device registers */
-    uint32_t regs[R_MAX];
-
-    /* mouse state */
-    uint8_t mouse_hid_buffer[4];
-
-    /* keyboard state */
-    uint8_t kbd_hid_buffer[8];
-};
-
-static uint64_t softusb_read(void *opaque, hwaddr addr,
-                             unsigned size)
-{
-    MilkymistSoftUsbState *s = opaque;
-    uint32_t r = 0;
-
-    addr >>= 2;
-    switch (addr) {
-    case R_CTRL:
-        r = s->regs[addr];
-        break;
-
-    default:
-        error_report("milkymist_softusb: read access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-
-    trace_milkymist_softusb_memory_read(addr << 2, r);
-
-    return r;
-}
-
-static void
-softusb_write(void *opaque, hwaddr addr, uint64_t value,
-              unsigned size)
-{
-    MilkymistSoftUsbState *s = opaque;
-
-    trace_milkymist_softusb_memory_write(addr, value);
-
-    addr >>= 2;
-    switch (addr) {
-    case R_CTRL:
-        s->regs[addr] = value;
-        break;
-
-    default:
-        error_report("milkymist_softusb: write access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-}
-
-static const MemoryRegionOps softusb_mmio_ops = {
-    .read = softusb_read,
-    .write = softusb_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
-static inline void softusb_read_dmem(MilkymistSoftUsbState *s,
-        uint32_t offset, uint8_t *buf, uint32_t len)
-{
-    if (offset + len >= s->dmem_size) {
-        error_report("milkymist_softusb: read dmem out of bounds "
-                "at offset 0x%x, len %d", offset, len);
-        memset(buf, 0, len);
-        return;
-    }
-
-    memcpy(buf, s->dmem_ptr + offset, len);
-}
-
-static inline void softusb_write_dmem(MilkymistSoftUsbState *s,
-        uint32_t offset, uint8_t *buf, uint32_t len)
-{
-    if (offset + len >= s->dmem_size) {
-        error_report("milkymist_softusb: write dmem out of bounds "
-                "at offset 0x%x, len %d", offset, len);
-        return;
-    }
-
-    memcpy(s->dmem_ptr + offset, buf, len);
-}
-
-static void softusb_mouse_changed(MilkymistSoftUsbState *s)
-{
-    uint8_t m;
-
-    softusb_read_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);
-    trace_milkymist_softusb_mevt(m);
-    softusb_write_dmem(s, COMLOC_MEVT_BASE + 4 * m, s->mouse_hid_buffer, 4);
-    m = (m + 1) & 0xf;
-    softusb_write_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);
-
-    trace_milkymist_softusb_pulse_irq();
-    qemu_irq_pulse(s->irq);
-}
-
-static void softusb_kbd_changed(MilkymistSoftUsbState *s)
-{
-    uint8_t m;
-
-    softusb_read_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);
-    trace_milkymist_softusb_kevt(m);
-    softusb_write_dmem(s, COMLOC_KEVT_BASE + 8 * m, s->kbd_hid_buffer, 8);
-    m = (m + 1) & 0x7;
-    softusb_write_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);
-
-    trace_milkymist_softusb_pulse_irq();
-    qemu_irq_pulse(s->irq);
-}
-
-static void softusb_kbd_hid_datain(HIDState *hs)
-{
-    MilkymistSoftUsbState *s = container_of(hs, MilkymistSoftUsbState, hid_kbd);
-    int len;
-
-    /* if device is in reset, do nothing */
-    if (s->regs[R_CTRL] & CTRL_RESET) {
-        return;
-    }
-
-    while (hid_has_events(hs)) {
-        len = hid_keyboard_poll(hs, s->kbd_hid_buffer,
-                sizeof(s->kbd_hid_buffer));
-
-        if (len == 8) {
-            softusb_kbd_changed(s);
-        }
-    }
-}
-
-static void softusb_mouse_hid_datain(HIDState *hs)
-{
-    MilkymistSoftUsbState *s =
-            container_of(hs, MilkymistSoftUsbState, hid_mouse);
-    int len;
-
-    /* if device is in reset, do nothing */
-    if (s->regs[R_CTRL] & CTRL_RESET) {
-        return;
-    }
-
-    while (hid_has_events(hs)) {
-        len = hid_pointer_poll(hs, s->mouse_hid_buffer,
-                sizeof(s->mouse_hid_buffer));
-
-        if (len == 4) {
-            softusb_mouse_changed(s);
-        }
-    }
-}
-
-static void milkymist_softusb_reset(DeviceState *d)
-{
-    MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(d);
-    int i;
-
-    for (i = 0; i < R_MAX; i++) {
-        s->regs[i] = 0;
-    }
-    memset(s->kbd_hid_buffer, 0, sizeof(s->kbd_hid_buffer));
-    memset(s->mouse_hid_buffer, 0, sizeof(s->mouse_hid_buffer));
-
-    hid_reset(&s->hid_kbd);
-    hid_reset(&s->hid_mouse);
-
-    /* defaults */
-    s->regs[R_CTRL] = CTRL_RESET;
-}
-
-static void milkymist_softusb_realize(DeviceState *dev, Error **errp)
-{
-    MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(dev);
-    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
-
-    sysbus_init_irq(sbd, &s->irq);
-
-    memory_region_init_io(&s->regs_region, OBJECT(s), &softusb_mmio_ops, s,
-                          "milkymist-softusb", R_MAX * 4);
-    sysbus_init_mmio(sbd, &s->regs_region);
-
-    /* register pmem and dmem */
-    memory_region_init_ram_nomigrate(&s->pmem, OBJECT(s), "milkymist-softusb.pmem",
-                           s->pmem_size, &error_fatal);
-    vmstate_register_ram_global(&s->pmem);
-    s->pmem_ptr = memory_region_get_ram_ptr(&s->pmem);
-    sysbus_init_mmio(sbd, &s->pmem);
-    memory_region_init_ram_nomigrate(&s->dmem, OBJECT(s), "milkymist-softusb.dmem",
-                           s->dmem_size, &error_fatal);
-    vmstate_register_ram_global(&s->dmem);
-    s->dmem_ptr = memory_region_get_ram_ptr(&s->dmem);
-    sysbus_init_mmio(sbd, &s->dmem);
-
-    hid_init(&s->hid_kbd, HID_KEYBOARD, softusb_kbd_hid_datain);
-    hid_init(&s->hid_mouse, HID_MOUSE, softusb_mouse_hid_datain);
-}
-
-static const VMStateDescription vmstate_milkymist_softusb = {
-    .name = "milkymist-softusb",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(regs, MilkymistSoftUsbState, R_MAX),
-        VMSTATE_HID_KEYBOARD_DEVICE(hid_kbd, MilkymistSoftUsbState),
-        VMSTATE_HID_POINTER_DEVICE(hid_mouse, MilkymistSoftUsbState),
-        VMSTATE_BUFFER(kbd_hid_buffer, MilkymistSoftUsbState),
-        VMSTATE_BUFFER(mouse_hid_buffer, MilkymistSoftUsbState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static Property milkymist_softusb_properties[] = {
-    DEFINE_PROP_UINT32("pmem_size", MilkymistSoftUsbState, pmem_size, 0x00001000),
-    DEFINE_PROP_UINT32("dmem_size", MilkymistSoftUsbState, dmem_size, 0x00002000),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void milkymist_softusb_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = milkymist_softusb_realize;
-    dc->reset = milkymist_softusb_reset;
-    dc->vmsd = &vmstate_milkymist_softusb;
-    device_class_set_props(dc, milkymist_softusb_properties);
-}
-
-static const TypeInfo milkymist_softusb_info = {
-    .name          = TYPE_MILKYMIST_SOFTUSB,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(MilkymistSoftUsbState),
-    .class_init    = milkymist_softusb_class_init,
-};
-
-static void milkymist_softusb_register_types(void)
-{
-    type_register_static(&milkymist_softusb_info);
-}
-
-type_init(milkymist_softusb_register_types)
diff --git a/hw/input/trace-events b/hw/input/trace-events
index 1dd8ad6018..33741e74f5 100644
--- a/hw/input/trace-events
+++ b/hw/input/trace-events
@@ -44,13 +44,6 @@ ps2_mouse_reset(void *opaque) "%p"
 ps2_kbd_init(void *s) "%p"
 ps2_mouse_init(void *s) "%p"
 
-# milkymist-softusb.c
-milkymist_softusb_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
-milkymist_softusb_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
-milkymist_softusb_mevt(uint8_t m) "m %d"
-milkymist_softusb_kevt(uint8_t m) "m %d"
-milkymist_softusb_pulse_irq(void) "Pulse IRQ"
-
 # hid.c
 hid_kbd_queue_full(void) "queue full"
 hid_kbd_queue_empty(void) "queue empty"