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, 373 deletions

diff --git a/hw/audio/meson.build b/hw/audio/meson.build
index 32c42bdebe..e48a9fc73d 100644
--- a/hw/audio/meson.build
+++ b/hw/audio/meson.build
@@ -7,7 +7,6 @@ softmmu_ss.add(when: 'CONFIG_ES1370', if_true: files('es1370.c'))
 softmmu_ss.add(when: 'CONFIG_GUS', if_true: files('gus.c', 'gusemu_hal.c', 'gusemu_mixer.c'))
 softmmu_ss.add(when: 'CONFIG_HDA', if_true: files('intel-hda.c', 'hda-codec.c'))
 softmmu_ss.add(when: 'CONFIG_MARVELL_88W8618', if_true: files('marvell_88w8618.c'))
-softmmu_ss.add(when: 'CONFIG_MILKYMIST', if_true: files('milkymist-ac97.c'))
 softmmu_ss.add(when: 'CONFIG_PCSPK', if_true: files('pcspk.c'))
 softmmu_ss.add(when: 'CONFIG_PL041', if_true: files('pl041.c', 'lm4549.c'))
 softmmu_ss.add(when: 'CONFIG_SB16', if_true: files('sb16.c'))
diff --git a/hw/audio/milkymist-ac97.c b/hw/audio/milkymist-ac97.c
deleted file mode 100644
index 7d2e057038..0000000000
--- a/hw/audio/milkymist-ac97.c
+++ /dev/null
@@ -1,360 +0,0 @@
-/*
- *  QEMU model of the Milkymist System Controller.
- *
- *  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:
- *   http://milkymist.walle.cc/socdoc/ac97.pdf
- */
-
-#include "qemu/osdep.h"
-#include "hw/irq.h"
-#include "hw/sysbus.h"
-#include "migration/vmstate.h"
-#include "trace.h"
-#include "audio/audio.h"
-#include "qemu/error-report.h"
-#include "qemu/module.h"
-#include "qom/object.h"
-
-enum {
-    R_AC97_CTRL = 0,
-    R_AC97_ADDR,
-    R_AC97_DATAOUT,
-    R_AC97_DATAIN,
-    R_D_CTRL,
-    R_D_ADDR,
-    R_D_REMAINING,
-    R_RESERVED,
-    R_U_CTRL,
-    R_U_ADDR,
-    R_U_REMAINING,
-    R_MAX
-};
-
-enum {
-    AC97_CTRL_RQEN  = (1<<0),
-    AC97_CTRL_WRITE = (1<<1),
-};
-
-enum {
-    CTRL_EN = (1<<0),
-};
-
-#define TYPE_MILKYMIST_AC97 "milkymist-ac97"
-OBJECT_DECLARE_SIMPLE_TYPE(MilkymistAC97State, MILKYMIST_AC97)
-
-struct MilkymistAC97State {
-    SysBusDevice parent_obj;
-
-    MemoryRegion regs_region;
-
-    QEMUSoundCard card;
-    SWVoiceIn *voice_in;
-    SWVoiceOut *voice_out;
-
-    uint32_t regs[R_MAX];
-
-    qemu_irq crrequest_irq;
-    qemu_irq crreply_irq;
-    qemu_irq dmar_irq;
-    qemu_irq dmaw_irq;
-};
-
-static void update_voices(MilkymistAC97State *s)
-{
-    if (s->regs[R_D_CTRL] & CTRL_EN) {
-        AUD_set_active_out(s->voice_out, 1);
-    } else {
-        AUD_set_active_out(s->voice_out, 0);
-    }
-
-    if (s->regs[R_U_CTRL] & CTRL_EN) {
-        AUD_set_active_in(s->voice_in, 1);
-    } else {
-        AUD_set_active_in(s->voice_in, 0);
-    }
-}
-
-static uint64_t ac97_read(void *opaque, hwaddr addr,
-                          unsigned size)
-{
-    MilkymistAC97State *s = opaque;
-    uint32_t r = 0;
-
-    addr >>= 2;
-    switch (addr) {
-    case R_AC97_CTRL:
-    case R_AC97_ADDR:
-    case R_AC97_DATAOUT:
-    case R_AC97_DATAIN:
-    case R_D_CTRL:
-    case R_D_ADDR:
-    case R_D_REMAINING:
-    case R_U_CTRL:
-    case R_U_ADDR:
-    case R_U_REMAINING:
-        r = s->regs[addr];
-        break;
-
-    default:
-        error_report("milkymist_ac97: read access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-
-    trace_milkymist_ac97_memory_read(addr << 2, r);
-
-    return r;
-}
-
-static void ac97_write(void *opaque, hwaddr addr, uint64_t value,
-                       unsigned size)
-{
-    MilkymistAC97State *s = opaque;
-
-    trace_milkymist_ac97_memory_write(addr, value);
-
-    addr >>= 2;
-    switch (addr) {
-    case R_AC97_CTRL:
-        /* always raise an IRQ according to the direction */
-        if (value & AC97_CTRL_RQEN) {
-            if (value & AC97_CTRL_WRITE) {
-                trace_milkymist_ac97_pulse_irq_crrequest();
-                qemu_irq_pulse(s->crrequest_irq);
-            } else {
-                trace_milkymist_ac97_pulse_irq_crreply();
-                qemu_irq_pulse(s->crreply_irq);
-            }
-        }
-
-        /* RQEN is self clearing */
-        s->regs[addr] = value & ~AC97_CTRL_RQEN;
-        break;
-    case R_D_CTRL:
-    case R_U_CTRL:
-        s->regs[addr] = value;
-        update_voices(s);
-        break;
-    case R_AC97_ADDR:
-    case R_AC97_DATAOUT:
-    case R_AC97_DATAIN:
-    case R_D_ADDR:
-    case R_D_REMAINING:
-    case R_U_ADDR:
-    case R_U_REMAINING:
-        s->regs[addr] = value;
-        break;
-
-    default:
-        error_report("milkymist_ac97: write access to unknown register 0x"
-                TARGET_FMT_plx, addr);
-        break;
-    }
-
-}
-
-static const MemoryRegionOps ac97_mmio_ops = {
-    .read = ac97_read,
-    .write = ac97_write,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ac97_in_cb(void *opaque, int avail_b)
-{
-    MilkymistAC97State *s = opaque;
-    uint8_t buf[4096];
-    uint32_t remaining = s->regs[R_U_REMAINING];
-    int temp = MIN(remaining, avail_b);
-    uint32_t addr = s->regs[R_U_ADDR];
-    int transferred = 0;
-
-    trace_milkymist_ac97_in_cb(avail_b, remaining);
-
-    /* prevent from raising an IRQ */
-    if (temp == 0) {
-        return;
-    }
-
-    while (temp) {
-        int acquired, to_copy;
-
-        to_copy = MIN(temp, sizeof(buf));
-        acquired = AUD_read(s->voice_in, buf, to_copy);
-        if (!acquired) {
-            break;
-        }
-
-        cpu_physical_memory_write(addr, buf, acquired);
-
-        temp -= acquired;
-        addr += acquired;
-        transferred += acquired;
-    }
-
-    trace_milkymist_ac97_in_cb_transferred(transferred);
-
-    s->regs[R_U_ADDR] = addr;
-    s->regs[R_U_REMAINING] -= transferred;
-
-    if ((s->regs[R_U_CTRL] & CTRL_EN) && (s->regs[R_U_REMAINING] == 0)) {
-        trace_milkymist_ac97_pulse_irq_dmaw();
-        qemu_irq_pulse(s->dmaw_irq);
-    }
-}
-
-static void ac97_out_cb(void *opaque, int free_b)
-{
-    MilkymistAC97State *s = opaque;
-    uint8_t buf[4096];
-    uint32_t remaining = s->regs[R_D_REMAINING];
-    int temp = MIN(remaining, free_b);
-    uint32_t addr = s->regs[R_D_ADDR];
-    int transferred = 0;
-
-    trace_milkymist_ac97_out_cb(free_b, remaining);
-
-    /* prevent from raising an IRQ */
-    if (temp == 0) {
-        return;
-    }
-
-    while (temp) {
-        int copied, to_copy;
-
-        to_copy = MIN(temp, sizeof(buf));
-        cpu_physical_memory_read(addr, buf, to_copy);
-        copied = AUD_write(s->voice_out, buf, to_copy);
-        if (!copied) {
-            break;
-        }
-        temp -= copied;
-        addr += copied;
-        transferred += copied;
-    }
-
-    trace_milkymist_ac97_out_cb_transferred(transferred);
-
-    s->regs[R_D_ADDR] = addr;
-    s->regs[R_D_REMAINING] -= transferred;
-
-    if ((s->regs[R_D_CTRL] & CTRL_EN) && (s->regs[R_D_REMAINING] == 0)) {
-        trace_milkymist_ac97_pulse_irq_dmar();
-        qemu_irq_pulse(s->dmar_irq);
-    }
-}
-
-static void milkymist_ac97_reset(DeviceState *d)
-{
-    MilkymistAC97State *s = MILKYMIST_AC97(d);
-    int i;
-
-    for (i = 0; i < R_MAX; i++) {
-        s->regs[i] = 0;
-    }
-
-    AUD_set_active_in(s->voice_in, 0);
-    AUD_set_active_out(s->voice_out, 0);
-}
-
-static int ac97_post_load(void *opaque, int version_id)
-{
-    MilkymistAC97State *s = opaque;
-
-    update_voices(s);
-
-    return 0;
-}
-
-static void milkymist_ac97_init(Object *obj)
-{
-    MilkymistAC97State *s = MILKYMIST_AC97(obj);
-    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
-
-    sysbus_init_irq(dev, &s->crrequest_irq);
-    sysbus_init_irq(dev, &s->crreply_irq);
-    sysbus_init_irq(dev, &s->dmar_irq);
-    sysbus_init_irq(dev, &s->dmaw_irq);
-
-    memory_region_init_io(&s->regs_region, obj, &ac97_mmio_ops, s,
-            "milkymist-ac97", R_MAX * 4);
-    sysbus_init_mmio(dev, &s->regs_region);
-}
-
-static void milkymist_ac97_realize(DeviceState *dev, Error **errp)
-{
-    MilkymistAC97State *s = MILKYMIST_AC97(dev);
-    struct audsettings as;
-
-    AUD_register_card("Milkymist AC'97", &s->card);
-
-    as.freq = 48000;
-    as.nchannels = 2;
-    as.fmt = AUDIO_FORMAT_S16;
-    as.endianness = 1;
-
-    s->voice_in = AUD_open_in(&s->card, s->voice_in,
-            "mm_ac97.in", s, ac97_in_cb, &as);
-    s->voice_out = AUD_open_out(&s->card, s->voice_out,
-            "mm_ac97.out", s, ac97_out_cb, &as);
-}
-
-static const VMStateDescription vmstate_milkymist_ac97 = {
-    .name = "milkymist-ac97",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .post_load = ac97_post_load,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(regs, MilkymistAC97State, R_MAX),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static Property milkymist_ac97_properties[] = {
-    DEFINE_AUDIO_PROPERTIES(MilkymistAC97State, card),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void milkymist_ac97_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = milkymist_ac97_realize;
-    dc->reset = milkymist_ac97_reset;
-    dc->vmsd = &vmstate_milkymist_ac97;
-    device_class_set_props(dc, milkymist_ac97_properties);
-}
-
-static const TypeInfo milkymist_ac97_info = {
-    .name          = TYPE_MILKYMIST_AC97,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(MilkymistAC97State),
-    .instance_init = milkymist_ac97_init,
-    .class_init    = milkymist_ac97_class_init,
-};
-
-static void milkymist_ac97_register_types(void)
-{
-    type_register_static(&milkymist_ac97_info);
-}
-
-type_init(milkymist_ac97_register_types)
diff --git a/hw/audio/trace-events b/hw/audio/trace-events
index 60556b4a97..432e10712f 100644
--- a/hw/audio/trace-events
+++ b/hw/audio/trace-events
@@ -6,18 +6,6 @@ cs4231_mem_readl_reg(uint32_t reg, uint32_t ret) "read reg %d: 0x%08x"
 cs4231_mem_writel_reg(uint32_t reg, uint32_t old, uint32_t val) "write reg %d: 0x%08x -> 0x%08x"
 cs4231_mem_writel_dreg(uint32_t reg, uint32_t old, uint32_t val) "write dreg %d: 0x%02x -> 0x%02x"
 
-# milkymist-ac97.c
-milkymist_ac97_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
-milkymist_ac97_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
-milkymist_ac97_pulse_irq_crrequest(void) "Pulse IRQ CR request"
-milkymist_ac97_pulse_irq_crreply(void) "Pulse IRQ CR reply"
-milkymist_ac97_pulse_irq_dmaw(void) "Pulse IRQ DMA write"
-milkymist_ac97_pulse_irq_dmar(void) "Pulse IRQ DMA read"
-milkymist_ac97_in_cb(int avail, uint32_t remaining) "avail %d remaining %u"
-milkymist_ac97_in_cb_transferred(int transferred) "transferred %d"
-milkymist_ac97_out_cb(int free, uint32_t remaining) "free %d remaining %u"
-milkymist_ac97_out_cb_transferred(int transferred) "transferred %d"
-
 # hda-codec.c
 hda_audio_running(const char *stream, int nr, bool running) "st %s, nr %d, run %d"
 hda_audio_format(const char *stream, int chan, const char *fmt, int freq) "st %s, %d x %s @ %d Hz"