From d91fd756fb2af16584d338c4ef715f40ea49924c Mon Sep 17 00:00:00 2001 From: Antony Pavlov Date: Tue, 17 Dec 2013 19:42:36 +0000 Subject: hw/arm/digic: prepare DIGIC-based boards support Also this patch adds initial support for Canon PowerShot A1100 IS compact camera. Signed-off-by: Antony Pavlov Message-id: 1387188908-754-3-git-send-email-antonynpavlov@gmail.com Signed-off-by: Peter Maydell --- hw/arm/Makefile.objs | 1 + hw/arm/digic_boards.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 85 insertions(+) create mode 100644 hw/arm/digic_boards.c (limited to 'hw/arm') diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs index 87898075b9..d7d37f241d 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -1,4 +1,5 @@ obj-y += boot.o collie.o exynos4_boards.o gumstix.o highbank.o +obj-$(CONFIG_DIGIC) += digic_boards.o 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 virt.o xilinx_zynq.o z2.o diff --git a/hw/arm/digic_boards.c b/hw/arm/digic_boards.c new file mode 100644 index 0000000000..87a9c4bb13 --- /dev/null +++ b/hw/arm/digic_boards.c @@ -0,0 +1,84 @@ +/* + * QEMU model of the Canon DIGIC boards (cameras indeed :). + * + * 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. + * + * See docs here: + * http://magiclantern.wikia.com/wiki/Register_Map + * + * 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/boards.h" +#include "exec/address-spaces.h" +#include "qemu/error-report.h" +#include "hw/arm/digic.h" + +typedef struct DigicBoardState { + DigicState *digic; + MemoryRegion ram; +} DigicBoardState; + +typedef struct DigicBoard { + hwaddr ram_size; +} DigicBoard; + +static void digic4_board_setup_ram(DigicBoardState *s, hwaddr ram_size) +{ + memory_region_init_ram(&s->ram, NULL, "ram", ram_size); + memory_region_add_subregion(get_system_memory(), 0, &s->ram); + vmstate_register_ram_global(&s->ram); +} + +static void digic4_board_init(DigicBoard *board) +{ + Error *err = NULL; + + DigicBoardState *s = g_new(DigicBoardState, 1); + + s->digic = DIGIC(object_new(TYPE_DIGIC)); + object_property_set_bool(OBJECT(s->digic), true, "realized", &err); + if (err != NULL) { + error_report("Couldn't realize DIGIC SoC: %s\n", + error_get_pretty(err)); + exit(1); + } + + digic4_board_setup_ram(s, board->ram_size); +} + +static DigicBoard digic4_board_canon_a1100 = { + .ram_size = 64 * 1024 * 1024, +}; + +static void canon_a1100_init(QEMUMachineInitArgs *args) +{ + digic4_board_init(&digic4_board_canon_a1100); +} + +static QEMUMachine canon_a1100 = { + .name = "canon-a1100", + .desc = "Canon PowerShot A1100 IS", + .init = &canon_a1100_init, +}; + +static void digic_register_machines(void) +{ + qemu_register_machine(&canon_a1100); +} + +machine_init(digic_register_machines) -- cgit v1.2.1