qemu-e2k/hw/misc/sifive_e_prci.c

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/*
* QEMU SiFive E PRCI (Power, Reset, Clock, Interrupt)
*
* Copyright (c) 2017 SiFive, Inc.
*
* Simple model of the PRCI to emulate register reads made by the SDK BSP
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "hw/sysbus.h"
qdev: Convert uses of qdev_create() with Coccinelle This is the transformation explained in the commit before previous. Takes care of just one pattern that needs conversion. More to come in this series. Coccinelle script: @ depends on !(file in "hw/arm/highbank.c")@ expression bus, type_name, dev, expr; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr; identifier DOWN; @@ - dev = DOWN(qdev_create(bus, type_name)); + dev = DOWN(qdev_new(type_name)); ... when != dev = expr - qdev_init_nofail(DEVICE(dev)); + qdev_realize_and_unref(DEVICE(dev), bus, &error_fatal); @@ expression bus, type_name, expr; identifier dev; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr, errp; symbol true; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); @@ expression bus, type_name, expr, errp; identifier dev; symbol true; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); The first rule exempts hw/arm/highbank.c, because it matches along two control flow paths there, with different @type_name. Covered by the next commit's manual conversions. Missing #include "qapi/error.h" added manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200610053247.1583243-10-armbru@redhat.com> [Conflicts in hw/misc/empty_slot.c and hw/sparc/leon3.c resolved]
2020-06-10 07:31:58 +02:00
#include "qapi/error.h"
#include "qemu/log.h"
#include "qemu/module.h"
#include "hw/misc/sifive_e_prci.h"
static uint64_t sifive_e_prci_read(void *opaque, hwaddr addr, unsigned int size)
{
SiFiveEPRCIState *s = opaque;
switch (addr) {
case SIFIVE_E_PRCI_HFROSCCFG:
return s->hfrosccfg;
case SIFIVE_E_PRCI_HFXOSCCFG:
return s->hfxosccfg;
case SIFIVE_E_PRCI_PLLCFG:
return s->pllcfg;
case SIFIVE_E_PRCI_PLLOUTDIV:
return s->plloutdiv;
}
qemu_log_mask(LOG_GUEST_ERROR, "%s: read: addr=0x%x\n",
__func__, (int)addr);
return 0;
}
static void sifive_e_prci_write(void *opaque, hwaddr addr,
uint64_t val64, unsigned int size)
{
SiFiveEPRCIState *s = opaque;
switch (addr) {
case SIFIVE_E_PRCI_HFROSCCFG:
s->hfrosccfg = (uint32_t) val64;
/* OSC stays ready */
s->hfrosccfg |= SIFIVE_E_PRCI_HFROSCCFG_RDY;
break;
case SIFIVE_E_PRCI_HFXOSCCFG:
s->hfxosccfg = (uint32_t) val64;
/* OSC stays ready */
s->hfxosccfg |= SIFIVE_E_PRCI_HFXOSCCFG_RDY;
break;
case SIFIVE_E_PRCI_PLLCFG:
s->pllcfg = (uint32_t) val64;
/* PLL stays locked */
s->pllcfg |= SIFIVE_E_PRCI_PLLCFG_LOCK;
break;
case SIFIVE_E_PRCI_PLLOUTDIV:
s->plloutdiv = (uint32_t) val64;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR, "%s: bad write: addr=0x%x v=0x%x\n",
__func__, (int)addr, (int)val64);
}
}
static const MemoryRegionOps sifive_e_prci_ops = {
.read = sifive_e_prci_read,
.write = sifive_e_prci_write,
.endianness = DEVICE_NATIVE_ENDIAN,
.valid = {
.min_access_size = 4,
.max_access_size = 4
}
};
static void sifive_e_prci_init(Object *obj)
{
SiFiveEPRCIState *s = SIFIVE_E_PRCI(obj);
memory_region_init_io(&s->mmio, obj, &sifive_e_prci_ops, s,
TYPE_SIFIVE_E_PRCI, SIFIVE_E_PRCI_REG_SIZE);
sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio);
s->hfrosccfg = (SIFIVE_E_PRCI_HFROSCCFG_RDY | SIFIVE_E_PRCI_HFROSCCFG_EN);
s->hfxosccfg = (SIFIVE_E_PRCI_HFXOSCCFG_RDY | SIFIVE_E_PRCI_HFXOSCCFG_EN);
s->pllcfg = (SIFIVE_E_PRCI_PLLCFG_REFSEL | SIFIVE_E_PRCI_PLLCFG_BYPASS |
SIFIVE_E_PRCI_PLLCFG_LOCK);
s->plloutdiv = SIFIVE_E_PRCI_PLLOUTDIV_DIV1;
}
static const TypeInfo sifive_e_prci_info = {
.name = TYPE_SIFIVE_E_PRCI,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SiFiveEPRCIState),
.instance_init = sifive_e_prci_init,
};
static void sifive_e_prci_register_types(void)
{
type_register_static(&sifive_e_prci_info);
}
type_init(sifive_e_prci_register_types)
/*
* Create PRCI device.
*/
DeviceState *sifive_e_prci_create(hwaddr addr)
{
qdev: Convert uses of qdev_create() with Coccinelle This is the transformation explained in the commit before previous. Takes care of just one pattern that needs conversion. More to come in this series. Coccinelle script: @ depends on !(file in "hw/arm/highbank.c")@ expression bus, type_name, dev, expr; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr; identifier DOWN; @@ - dev = DOWN(qdev_create(bus, type_name)); + dev = DOWN(qdev_new(type_name)); ... when != dev = expr - qdev_init_nofail(DEVICE(dev)); + qdev_realize_and_unref(DEVICE(dev), bus, &error_fatal); @@ expression bus, type_name, expr; identifier dev; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr, errp; symbol true; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); @@ expression bus, type_name, expr, errp; identifier dev; symbol true; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); The first rule exempts hw/arm/highbank.c, because it matches along two control flow paths there, with different @type_name. Covered by the next commit's manual conversions. Missing #include "qapi/error.h" added manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200610053247.1583243-10-armbru@redhat.com> [Conflicts in hw/misc/empty_slot.c and hw/sparc/leon3.c resolved]
2020-06-10 07:31:58 +02:00
DeviceState *dev = qdev_new(TYPE_SIFIVE_E_PRCI);
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, addr);
return dev;
}