From patchwork Wed Sep 4 05:21:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antony Pavlov X-Patchwork-Id: 272459 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)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id A604C2C00C6 for ; Wed, 4 Sep 2013 15:24:48 +1000 (EST) Received: from localhost ([::1]:50394 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VH5aA-00060k-38 for incoming@patchwork.ozlabs.org; Wed, 04 Sep 2013 01:24:46 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33746) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VH5Zf-0005vt-5z for qemu-devel@nongnu.org; Wed, 04 Sep 2013 01:24:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VH5Za-0001vr-Sy for qemu-devel@nongnu.org; Wed, 04 Sep 2013 01:24:15 -0400 Received: from mail-la0-x234.google.com ([2a00:1450:4010:c03::234]:49092) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VH5Za-0001vk-Fo for qemu-devel@nongnu.org; Wed, 04 Sep 2013 01:24:10 -0400 Received: by mail-la0-f52.google.com with SMTP id ev20so5387284lab.39 for ; Tue, 03 Sep 2013 22:24:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Z1K3vrdPYzYITZ2OkkgyB4krW1CB0+xGZwFu4qGWvJw=; b=RQsQ0LcyEaWGzjm5NhrN7yMHZdWDBVw6D4xspgiz8jkSo6oU/hYGSo50YbUSh0gMhb pccKsoEPHHl4qAyh2d7ZvfGwd6cysroXnVYdjqtcAW3U3YE1ImxYoIjg3pX9GT7Q3MAn /TzANJfoh3wHr20mXrRbaLOI9FKoxZp9l/g87yeiLHeMCAbdGakg0QNfF7MP9E/cReIj lSzg9JQckZlroRIyU0FH0ANALaydKVboRj8OcMwUSCQvkndvL4Bl//++zJ8DUvMlAXBT ALPjIgShGIkt9DKlzHP1bw5EUn/ju+7MGDZdrV8fLeEorAKonJhq+MEKdGJl3i6FuWx3 eTnw== X-Received: by 10.152.88.74 with SMTP id be10mr973589lab.4.1378272249483; Tue, 03 Sep 2013 22:24:09 -0700 (PDT) Received: from localhost.localdomain (ppp37-190-57-26.pppoe.spdop.ru. [37.190.57.26]) by mx.google.com with ESMTPSA id ac2sm9680307lbc.10.1969.12.31.16.00.00 (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 03 Sep 2013 22:24:08 -0700 (PDT) From: Antony Pavlov To: qemu-devel@nongnu.org Date: Wed, 4 Sep 2013 09:21:36 +0400 Message-Id: <1378272100-26672-2-git-send-email-antonynpavlov@gmail.com> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <1378272100-26672-1-git-send-email-antonynpavlov@gmail.com> References: <1378272100-26672-1-git-send-email-antonynpavlov@gmail.com> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a00:1450:4010:c03::234 Cc: Alex Dumitrache , Peter Crosthwaite , Giovanni Condello , g3gg0 , Peter Maydell , Paul Brook , Paolo Bonzini , =?UTF-8?q?Andreas=20F=C3=A4rber?= , Antony Pavlov Subject: [Qemu-devel] [RFC v3 1/5] 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 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 --- default-configs/arm-softmmu.mak | 1 + hw/arm/Makefile.objs | 2 +- hw/arm/digic.c | 70 +++++++++++++++++++++++++++++++++++++++++ include/hw/arm/digic.h | 23 ++++++++++++++ 4 files changed, 95 insertions(+), 1 deletion(-) 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 ac0815d..0d1d783 100644 --- a/default-configs/arm-softmmu.mak +++ b/default-configs/arm-softmmu.mak @@ -63,6 +63,7 @@ CONFIG_FRAMEBUFFER=y CONFIG_XILINX_SPIPS=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 3671b42..e140485 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -3,5 +3,5 @@ obj-y += integratorcp.o kzm.o mainstone.o musicpal.o nseries.o obj-y += omap_sx1.o palm.o realview.o spitz.o stellaris.o obj-y += tosa.o versatilepb.o vexpress.o xilinx_zynq.o z2.o -obj-y += armv7m.o exynos4210.o pxa2xx.o pxa2xx_gpio.o pxa2xx_pic.o +obj-y += armv7m.o digic.o exynos4210.o pxa2xx.o pxa2xx_gpio.o pxa2xx_pic.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..95a9fcd --- /dev/null +++ b/hw/arm/digic.c @@ -0,0 +1,70 @@ +/* + * 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 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 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 . + * + */ + +#include "hw/sysbus.h" +#include "target-arm/cpu-qom.h" +#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, "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..0ef4723 --- /dev/null +++ b/include/hw/arm/digic.h @@ -0,0 +1,23 @@ +/* + * Misc DIGIC declarations + * + * Copyright (C) 2013 Antony Pavlov + * + */ + +#ifndef __DIGIC_H__ +#define __DIGIC_H__ + +#include "cpu-qom.h" + +#define TYPE_DIGIC "digic" + +#define DIGIC(obj) OBJECT_CHECK(DigicState, (obj), TYPE_DIGIC) + +typedef struct DigicState { + Object parent_obj; + + ARMCPU cpu; +} DigicState; + +#endif /* __DIGIC_H__ */