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]

1 files changed, 0 insertions, 361 deletions

diff --git a/hw/timer/milkymist-sysctl.c b/hw/timer/milkymist-sysctl.c
deleted file mode 100644
index 9ecea63861..0000000000
--- a/hw/timer/milkymist-sysctl.c
+++ /dev/null
@@ -1,361 +0,0 @@
-/*
- *  QEMU model of the Milkymist System Controller.
- *
- *  Copyright (c) 2010-2012 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/sysctl.pdf
- */
-
-#include "qemu/osdep.h"
-#include "hw/irq.h"
-#include "hw/sysbus.h"
-#include "migration/vmstate.h"
-#include "trace.h"
-#include "qemu/timer.h"
-#include "sysemu/runstate.h"
-#include "hw/ptimer.h"
-#include "hw/qdev-properties.h"
-#include "qemu/error-report.h"
-#include "qemu/module.h"
-#include "qom/object.h"
-
-enum {
-    CTRL_ENABLE      = (1<<0),
-    CTRL_AUTORESTART = (1<<1),
-};
-
-enum {
-    ICAP_READY       = (1<<0),
-};
-
-enum {
-    R_GPIO_IN         = 0,
-    R_GPIO_OUT,
-    R_GPIO_INTEN,
-    R_TIMER0_CONTROL  = 4,
-    R_TIMER0_COMPARE,
-    R_TIMER0_COUNTER,
-    R_TIMER1_CONTROL  = 8,
-    R_TIMER1_COMPARE,
-    R_TIMER1_COUNTER,
-    R_ICAP = 16,
-    R_DBG_SCRATCHPAD  = 20,
-    R_DBG_WRITE_LOCK,
-    R_CLK_FREQUENCY   = 29,
-    R_CAPABILITIES,
-    R_SYSTEM_ID,
-    R_MAX
-};
-
-#define TYPE_MILKYMIST_SYSCTL "milkymist-sysctl"
-OBJECT_DECLARE_SIMPLE_TYPE(MilkymistSysctlState, MILKYMIST_SYSCTL)
-
-struct MilkymistSysctlState {
-    SysBusDevice parent_obj;
-
-    MemoryRegion regs_region;
-
-    ptimer_state *ptimer0;
-    ptimer_state *ptimer1;
-
-    uint32_t freq_hz;
-    uint32_t capabilities;
-    uint32_t systemid;
-    uint32_t strappings;
-
-    uint32_t regs[R_MAX];
-
-    qemu_irq gpio_irq;
-    qemu_irq timer0_irq;
-    qemu_irq timer1_irq;
-};
-
-static void sysctl_icap_write(MilkymistSysctlState *s, uint32_t value)
-{
-    trace_milkymist_sysctl_icap_write(value);
-    switch (value & 0xffff) {
-    case 0x000e:
-        qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
-        break;
-    }
-}
-
-static uint64_t sysctl_read(void *opaque, hwaddr addr,
-                            unsigned size)
-{
-    MilkymistSysctlState *s = opaque;
-    uint32_t r = 0;
-
-    addr >>= 2;
-    switch (addr) {
-    case R_TIMER0_COUNTER:
-        r = (uint32_t)ptimer_get_count(s->ptimer0);
-        /* milkymist timer counts up */
-        r = s->regs[R_TIMER0_COMPARE] - r;
-        break;
-    case R_TIMER1_COUNTER:
-        r = (uint32_t)ptimer_get_count(s->ptimer1);
-        /* milkymist timer counts up */
-        r = s->regs[R_TIMER1_COMPARE] - r;
-        break;
-    case R_GPIO_IN:
-    case R_GPIO_OUT:
-    case R_GPIO_INTEN:
-    case R_TIMER0_CONTROL:
-    case R_TIMER0_COMPARE:
-    case R_TIMER1_CONTROL:
-    case R_TIMER1_COMPARE:
-    case R_ICAP:
-    case R_DBG_SCRATCHPAD:
-    case R_DBG_WRITE_LOCK:
-    case R_CLK_FREQUENCY:
-    case R_CAPABILITIES:
-    case R_SYSTEM_ID:
-        r = s->regs[addr];
-        break;
-
-    default:
-        error_report("milkymist_sysctl: read access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-
-    trace_milkymist_sysctl_memory_read(addr << 2, r);
-
-    return r;
-}
-
-static void sysctl_write(void *opaque, hwaddr addr, uint64_t value,
-                         unsigned size)
-{
-    MilkymistSysctlState *s = opaque;
-
-    trace_milkymist_sysctl_memory_write(addr, value);
-
-    addr >>= 2;
-    switch (addr) {
-    case R_GPIO_OUT:
-    case R_GPIO_INTEN:
-    case R_TIMER0_COUNTER:
-    case R_TIMER1_COUNTER:
-    case R_DBG_SCRATCHPAD:
-        s->regs[addr] = value;
-        break;
-    case R_TIMER0_COMPARE:
-        ptimer_transaction_begin(s->ptimer0);
-        ptimer_set_limit(s->ptimer0, value, 0);
-        s->regs[addr] = value;
-        ptimer_transaction_commit(s->ptimer0);
-        break;
-    case R_TIMER1_COMPARE:
-        ptimer_transaction_begin(s->ptimer1);
-        ptimer_set_limit(s->ptimer1, value, 0);
-        s->regs[addr] = value;
-        ptimer_transaction_commit(s->ptimer1);
-        break;
-    case R_TIMER0_CONTROL:
-        ptimer_transaction_begin(s->ptimer0);
-        s->regs[addr] = value;
-        if (s->regs[R_TIMER0_CONTROL] & CTRL_ENABLE) {
-            trace_milkymist_sysctl_start_timer0();
-            ptimer_set_count(s->ptimer0,
-                    s->regs[R_TIMER0_COMPARE] - s->regs[R_TIMER0_COUNTER]);
-            ptimer_run(s->ptimer0, 0);
-        } else {
-            trace_milkymist_sysctl_stop_timer0();
-            ptimer_stop(s->ptimer0);
-        }
-        ptimer_transaction_commit(s->ptimer0);
-        break;
-    case R_TIMER1_CONTROL:
-        ptimer_transaction_begin(s->ptimer1);
-        s->regs[addr] = value;
-        if (s->regs[R_TIMER1_CONTROL] & CTRL_ENABLE) {
-            trace_milkymist_sysctl_start_timer1();
-            ptimer_set_count(s->ptimer1,
-                    s->regs[R_TIMER1_COMPARE] - s->regs[R_TIMER1_COUNTER]);
-            ptimer_run(s->ptimer1, 0);
-        } else {
-            trace_milkymist_sysctl_stop_timer1();
-            ptimer_stop(s->ptimer1);
-        }
-        ptimer_transaction_commit(s->ptimer1);
-        break;
-    case R_ICAP:
-        sysctl_icap_write(s, value);
-        break;
-    case R_DBG_WRITE_LOCK:
-        s->regs[addr] = 1;
-        break;
-    case R_SYSTEM_ID:
-        qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
-        break;
-
-    case R_GPIO_IN:
-    case R_CLK_FREQUENCY:
-    case R_CAPABILITIES:
-        error_report("milkymist_sysctl: write to read-only register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-
-    default:
-        error_report("milkymist_sysctl: write access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-}
-
-static const MemoryRegionOps sysctl_mmio_ops = {
-    .read = sysctl_read,
-    .write = sysctl_write,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void timer0_hit(void *opaque)
-{
-    MilkymistSysctlState *s = opaque;
-
-    if (!(s->regs[R_TIMER0_CONTROL] & CTRL_AUTORESTART)) {
-        s->regs[R_TIMER0_CONTROL] &= ~CTRL_ENABLE;
-        trace_milkymist_sysctl_stop_timer0();
-        ptimer_stop(s->ptimer0);
-    }
-
-    trace_milkymist_sysctl_pulse_irq_timer0();
-    qemu_irq_pulse(s->timer0_irq);
-}
-
-static void timer1_hit(void *opaque)
-{
-    MilkymistSysctlState *s = opaque;
-
-    if (!(s->regs[R_TIMER1_CONTROL] & CTRL_AUTORESTART)) {
-        s->regs[R_TIMER1_CONTROL] &= ~CTRL_ENABLE;
-        trace_milkymist_sysctl_stop_timer1();
-        ptimer_stop(s->ptimer1);
-    }
-
-    trace_milkymist_sysctl_pulse_irq_timer1();
-    qemu_irq_pulse(s->timer1_irq);
-}
-
-static void milkymist_sysctl_reset(DeviceState *d)
-{
-    MilkymistSysctlState *s = MILKYMIST_SYSCTL(d);
-    int i;
-
-    for (i = 0; i < R_MAX; i++) {
-        s->regs[i] = 0;
-    }
-
-    ptimer_transaction_begin(s->ptimer0);
-    ptimer_stop(s->ptimer0);
-    ptimer_transaction_commit(s->ptimer0);
-    ptimer_transaction_begin(s->ptimer1);
-    ptimer_stop(s->ptimer1);
-    ptimer_transaction_commit(s->ptimer1);
-
-    /* defaults */
-    s->regs[R_ICAP] = ICAP_READY;
-    s->regs[R_SYSTEM_ID] = s->systemid;
-    s->regs[R_CLK_FREQUENCY] = s->freq_hz;
-    s->regs[R_CAPABILITIES] = s->capabilities;
-    s->regs[R_GPIO_IN] = s->strappings;
-}
-
-static void milkymist_sysctl_init(Object *obj)
-{
-    MilkymistSysctlState *s = MILKYMIST_SYSCTL(obj);
-    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
-
-    sysbus_init_irq(dev, &s->gpio_irq);
-    sysbus_init_irq(dev, &s->timer0_irq);
-    sysbus_init_irq(dev, &s->timer1_irq);
-
-    memory_region_init_io(&s->regs_region, obj, &sysctl_mmio_ops, s,
-            "milkymist-sysctl", R_MAX * 4);
-    sysbus_init_mmio(dev, &s->regs_region);
-}
-
-static void milkymist_sysctl_realize(DeviceState *dev, Error **errp)
-{
-    MilkymistSysctlState *s = MILKYMIST_SYSCTL(dev);
-
-    s->ptimer0 = ptimer_init(timer0_hit, s, PTIMER_POLICY_DEFAULT);
-    s->ptimer1 = ptimer_init(timer1_hit, s, PTIMER_POLICY_DEFAULT);
-
-    ptimer_transaction_begin(s->ptimer0);
-    ptimer_set_freq(s->ptimer0, s->freq_hz);
-    ptimer_transaction_commit(s->ptimer0);
-    ptimer_transaction_begin(s->ptimer1);
-    ptimer_set_freq(s->ptimer1, s->freq_hz);
-    ptimer_transaction_commit(s->ptimer1);
-}
-
-static const VMStateDescription vmstate_milkymist_sysctl = {
-    .name = "milkymist-sysctl",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(regs, MilkymistSysctlState, R_MAX),
-        VMSTATE_PTIMER(ptimer0, MilkymistSysctlState),
-        VMSTATE_PTIMER(ptimer1, MilkymistSysctlState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static Property milkymist_sysctl_properties[] = {
-    DEFINE_PROP_UINT32("frequency", MilkymistSysctlState,
-    freq_hz, 80000000),
-    DEFINE_PROP_UINT32("capabilities", MilkymistSysctlState,
-    capabilities, 0x00000000),
-    DEFINE_PROP_UINT32("systemid", MilkymistSysctlState,
-    systemid, 0x10014d31),
-    DEFINE_PROP_UINT32("gpio_strappings", MilkymistSysctlState,
-    strappings, 0x00000001),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void milkymist_sysctl_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = milkymist_sysctl_realize;
-    dc->reset = milkymist_sysctl_reset;
-    dc->vmsd = &vmstate_milkymist_sysctl;
-    device_class_set_props(dc, milkymist_sysctl_properties);
-}
-
-static const TypeInfo milkymist_sysctl_info = {
-    .name          = TYPE_MILKYMIST_SYSCTL,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(MilkymistSysctlState),
-    .instance_init = milkymist_sysctl_init,
-    .class_init    = milkymist_sysctl_class_init,
-};
-
-static void milkymist_sysctl_register_types(void)
-{
-    type_register_static(&milkymist_sysctl_info);
-}
-
-type_init(milkymist_sysctl_register_types)