On Fri, Dec 13, 2013 at 8:23 AM, Antony Pavlov <antonynpav...@gmail.com> wrote: > DIGIC is Canon Inc.'s name for a family of SoC > for digital cameras and camcorders. > > There is no publicly available specification for > DIGIC chips. All information about DIGIC chip > internals is based on reverse engineering efforts > made by CHDK (http://chdk.wikia.com) and > Magic Lantern (http://www.magiclantern.fm) projects > contributors. > > Signed-off-by: Antony Pavlov <antonynpav...@gmail.com> > Reviewed-by: Andreas Färber <afaer...@suse.de> > Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com> > --- > default-configs/arm-softmmu.mak | 1 + > hw/arm/Makefile.objs | 1 + > hw/arm/digic.c | 71 > +++++++++++++++++++++++++++++++++++++++++ > include/hw/arm/digic.h | 35 ++++++++++++++++++++ > 4 files changed, 108 insertions(+) > create mode 100644 hw/arm/digic.c > create mode 100644 include/hw/arm/digic.h > > diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak > index e48f102..2135be3 100644 > --- a/default-configs/arm-softmmu.mak > +++ b/default-configs/arm-softmmu.mak > @@ -64,6 +64,7 @@ CONFIG_XILINX_SPIPS=y > > CONFIG_ARM11SCU=y > CONFIG_A9SCU=y > +CONFIG_DIGIC=y > CONFIG_MARVELL_88W8618=y > CONFIG_OMAP=y > CONFIG_TSC210X=y > diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs > index 78b5614..8789807 100644 > --- a/hw/arm/Makefile.objs > +++ b/hw/arm/Makefile.objs > @@ -4,4 +4,5 @@ obj-y += omap_sx1.o palm.o realview.o spitz.o stellaris.o > obj-y += tosa.o versatilepb.o vexpress.o virt.o xilinx_zynq.o z2.o > > obj-y += armv7m.o exynos4210.o pxa2xx.o pxa2xx_gpio.o pxa2xx_pic.o > +obj-$(CONFIG_DIGIC) += digic.o > obj-y += omap1.o omap2.o strongarm.o > diff --git a/hw/arm/digic.c b/hw/arm/digic.c > new file mode 100644 > index 0000000..2620262 > --- /dev/null > +++ b/hw/arm/digic.c > @@ -0,0 +1,71 @@ > +/* > + * QEMU model of the Canon DIGIC SoC. > + * > + * Copyright (C) 2013 Antony Pavlov <antonynpav...@gmail.com> > + * > + * This model is based on reverse engineering efforts > + * made by CHDK (http://chdk.wikia.com) and > + * Magic Lantern (http://www.magiclantern.fm) projects > + * contributors. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program 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 General Public License for more details. > + * > + */ > + > +#include "hw/arm/digic.h" > + > +static void digic_init(Object *obj) > +{ > + DigicState *s = DIGIC(obj); > + > + object_initialize(&s->cpu, sizeof(s->cpu), "arm946-" TYPE_ARM_CPU); > + object_property_add_child(obj, "cpu", OBJECT(&s->cpu), NULL); > +} > + > +static void digic_realize(DeviceState *dev, Error **errp) > +{ > + DigicState *s = DIGIC(dev); > + Error *err = NULL; > + > + object_property_set_bool(OBJECT(&s->cpu), true, "reset-hivecs", &err); > + if (err != NULL) { > + error_propagate(errp, err); > + return; > + } > + > + object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err); > + if (err != NULL) { > + error_propagate(errp, err); > + return; > + } > +} > + > +static void digic_class_init(ObjectClass *oc, void *data) > +{ > + DeviceClass *dc = DEVICE_CLASS(oc); > + > + dc->realize = digic_realize; > +} > + > +static const TypeInfo digic_type_info = { > + .name = TYPE_DIGIC, > + .parent = TYPE_DEVICE, > + .instance_size = sizeof(DigicState), > + .instance_init = digic_init, > + .class_init = digic_class_init, > +}; > + > +static void digic_register_types(void) > +{ > + type_register_static(&digic_type_info); > +} > + > +type_init(digic_register_types) > diff --git a/include/hw/arm/digic.h b/include/hw/arm/digic.h > new file mode 100644 > index 0000000..b7d16fb > --- /dev/null > +++ b/include/hw/arm/digic.h > @@ -0,0 +1,35 @@ > +/* > + * Misc Canon DIGIC declarations. > + * > + * Copyright (C) 2013 Antony Pavlov <antonynpav...@gmail.com> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program 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 General Public License for more details. > + * > + */ > + > +#ifndef HW_ARM_DIGIC_H > +#define HW_ARM_DIGIC_H > + > +#include "cpu.h" > + > +#define TYPE_DIGIC "digic" > + > +#define DIGIC(obj) OBJECT_CHECK(DigicState, (obj), TYPE_DIGIC) > + > +typedef struct DigicState { > + /*< private >*/ > + DeviceState parent_obj; > + /*< public >*/ > + > + ARMCPU cpu; > +} DigicState; > + > +#endif /* HW_ARM_DIGIC_H */ > -- > 1.8.5 > >
