From patchwork Tue Dec 17 20:29:09 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 302495 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 2D6AE2C00D3 for ; Wed, 18 Dec 2013 08:12:12 +1100 (EST) Received: from localhost ([::1]:35284 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vt1JD-00015v-EA for incoming@patchwork.ozlabs.org; Tue, 17 Dec 2013 15:32:03 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52848) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vt1Gg-0005vJ-LL for qemu-devel@nongnu.org; Tue, 17 Dec 2013 15:29:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vt1Ge-00035Y-EC for qemu-devel@nongnu.org; Tue, 17 Dec 2013 15:29:26 -0500 Received: from mnementh.archaic.org.uk ([2001:8b0:1d0::1]:43626) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vt1Ge-00034c-6J for qemu-devel@nongnu.org; Tue, 17 Dec 2013 15:29:24 -0500 Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.80) (envelope-from ) id 1Vt1Gd-0003Je-Sr; Tue, 17 Dec 2013 20:29:23 +0000 From: Peter Maydell To: Anthony Liguori Date: Tue, 17 Dec 2013 20:29:09 +0000 Message-Id: <1387312160-12318-52-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1387312160-12318-1-git-send-email-peter.maydell@linaro.org> References: <1387312160-12318-1-git-send-email-peter.maydell@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:8b0:1d0::1 Cc: Blue Swirl , qemu-devel@nongnu.org, Aurelien Jarno Subject: [Qemu-devel] [PULL 51/62] hw/arm: add very initial support for Canon DIGIC SoC X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Antony Pavlov 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 Reviewed-by: Andreas Färber Reviewed-by: Peter Maydell Reviewed-by: Peter Crosthwaite Message-id: 1387188908-754-2-git-send-email-antonynpavlov@gmail.com Signed-off-by: Peter Maydell --- 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 + * + * 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 + * + * 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 */