| /* |
| * QEMU model of the Canon DIGIC boards (cameras indeed :). |
| * |
| * Copyright (C) 2013 Antony Pavlov <antonynpavlov@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. |
| * |
| * 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 "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "qemu-common.h" |
| #include "cpu.h" |
| #include "hw/boards.h" |
| #include "exec/address-spaces.h" |
| #include "qemu/error-report.h" |
| #include "hw/arm/digic.h" |
| #include "hw/block/flash.h" |
| #include "hw/loader.h" |
| #include "sysemu/sysemu.h" |
| #include "sysemu/qtest.h" |
| #include "qemu/units.h" |
| #include "qemu/cutils.h" |
| |
| #define DIGIC4_ROM0_BASE 0xf0000000 |
| #define DIGIC4_ROM1_BASE 0xf8000000 |
| #define DIGIC4_ROM_MAX_SIZE 0x08000000 |
| |
| typedef struct DigicBoard { |
| void (*add_rom0)(DigicState *, hwaddr, const char *); |
| const char *rom0_def_filename; |
| void (*add_rom1)(DigicState *, hwaddr, const char *); |
| const char *rom1_def_filename; |
| } DigicBoard; |
| |
| static void digic4_board_init(MachineState *machine, DigicBoard *board) |
| { |
| Error *err = NULL; |
| DigicState *s = DIGIC(object_new(TYPE_DIGIC)); |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| |
| if (machine->ram_size != mc->default_ram_size) { |
| char *sz = size_to_str(mc->default_ram_size); |
| error_report("Invalid RAM size, should be %s", sz); |
| g_free(sz); |
| exit(EXIT_FAILURE); |
| } |
| |
| qdev_realize(DEVICE(s), NULL, &err); |
| if (err != NULL) { |
| error_reportf_err(err, "Couldn't realize DIGIC SoC: "); |
| exit(1); |
| } |
| |
| memory_region_add_subregion(get_system_memory(), 0, machine->ram); |
| |
| if (board->add_rom0) { |
| board->add_rom0(s, DIGIC4_ROM0_BASE, board->rom0_def_filename); |
| } |
| |
| if (board->add_rom1) { |
| board->add_rom1(s, DIGIC4_ROM1_BASE, board->rom1_def_filename); |
| } |
| } |
| |
| static void digic_load_rom(DigicState *s, hwaddr addr, |
| hwaddr max_size, const char *def_filename) |
| { |
| target_long rom_size; |
| const char *filename; |
| |
| if (qtest_enabled()) { |
| /* qtest runs no code so don't attempt a ROM load which |
| * could fail and result in a spurious test failure. |
| */ |
| return; |
| } |
| |
| if (bios_name) { |
| filename = bios_name; |
| } else { |
| filename = def_filename; |
| } |
| |
| if (filename) { |
| char *fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, filename); |
| |
| if (!fn) { |
| error_report("Couldn't find rom image '%s'.", filename); |
| exit(1); |
| } |
| |
| rom_size = load_image_targphys(fn, addr, max_size); |
| if (rom_size < 0 || rom_size > max_size) { |
| error_report("Couldn't load rom image '%s'.", filename); |
| exit(1); |
| } |
| g_free(fn); |
| } |
| } |
| |
| /* |
| * Samsung K8P3215UQB |
| * 64M Bit (4Mx16) Page Mode / Multi-Bank NOR Flash Memory |
| */ |
| static void digic4_add_k8p3215uqb_rom(DigicState *s, hwaddr addr, |
| const char *def_filename) |
| { |
| #define FLASH_K8P3215UQB_SIZE (4 * 1024 * 1024) |
| #define FLASH_K8P3215UQB_SECTOR_SIZE (64 * 1024) |
| |
| pflash_cfi02_register(addr, "pflash", FLASH_K8P3215UQB_SIZE, |
| NULL, FLASH_K8P3215UQB_SECTOR_SIZE, |
| DIGIC4_ROM_MAX_SIZE / FLASH_K8P3215UQB_SIZE, |
| 4, |
| 0x00EC, 0x007E, 0x0003, 0x0001, |
| 0x0555, 0x2aa, 0); |
| |
| digic_load_rom(s, addr, FLASH_K8P3215UQB_SIZE, def_filename); |
| } |
| |
| static DigicBoard digic4_board_canon_a1100 = { |
| .add_rom1 = digic4_add_k8p3215uqb_rom, |
| .rom1_def_filename = "canon-a1100-rom1.bin", |
| }; |
| |
| static void canon_a1100_init(MachineState *machine) |
| { |
| digic4_board_init(machine, &digic4_board_canon_a1100); |
| } |
| |
| static void canon_a1100_machine_init(MachineClass *mc) |
| { |
| mc->desc = "Canon PowerShot A1100 IS"; |
| mc->init = &canon_a1100_init; |
| mc->ignore_memory_transaction_failures = true; |
| mc->default_ram_size = 64 * MiB; |
| mc->default_ram_id = "ram"; |
| } |
| |
| DEFINE_MACHINE("canon-a1100", canon_a1100_machine_init) |