Merge tag 'ide-pull-request' of https://gitlab.com/jsnow/qemu into staging
[qemu.git] / hw / arm / digic_boards.c
1 /*
2 * QEMU model of the Canon DIGIC boards (cameras indeed :).
3 *
4 * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
5 *
6 * This model is based on reverse engineering efforts
7 * made by CHDK (http://chdk.wikia.com) and
8 * Magic Lantern (http://www.magiclantern.fm) projects
9 * contributors.
10 *
11 * See docs here:
12 * http://magiclantern.wikia.com/wiki/Register_Map
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 */
25
26 #include "qemu/osdep.h"
27 #include "qapi/error.h"
28 #include "qemu-common.h"
29 #include "qemu/datadir.h"
30 #include "hw/boards.h"
31 #include "qemu/error-report.h"
32 #include "hw/arm/digic.h"
33 #include "hw/block/flash.h"
34 #include "hw/loader.h"
35 #include "sysemu/qtest.h"
36 #include "qemu/units.h"
37 #include "qemu/cutils.h"
38
39 #define DIGIC4_ROM0_BASE 0xf0000000
40 #define DIGIC4_ROM1_BASE 0xf8000000
41 #define DIGIC4_ROM_MAX_SIZE 0x08000000
42
43 typedef struct DigicBoard {
44 void (*add_rom0)(DigicState *, hwaddr, const char *);
45 const char *rom0_def_filename;
46 void (*add_rom1)(DigicState *, hwaddr, const char *);
47 const char *rom1_def_filename;
48 } DigicBoard;
49
50 static void digic4_board_init(MachineState *machine, DigicBoard *board)
51 {
52 Error *err = NULL;
53 DigicState *s = DIGIC(object_new(TYPE_DIGIC));
54 MachineClass *mc = MACHINE_GET_CLASS(machine);
55
56 if (machine->ram_size != mc->default_ram_size) {
57 char *sz = size_to_str(mc->default_ram_size);
58 error_report("Invalid RAM size, should be %s", sz);
59 g_free(sz);
60 exit(EXIT_FAILURE);
61 }
62
63 if (!qdev_realize(DEVICE(s), NULL, &err)) {
64 error_reportf_err(err, "Couldn't realize DIGIC SoC: ");
65 exit(1);
66 }
67
68 memory_region_add_subregion(get_system_memory(), 0, machine->ram);
69
70 if (board->add_rom0) {
71 board->add_rom0(s, DIGIC4_ROM0_BASE,
72 machine->firmware ?: board->rom0_def_filename);
73 }
74
75 if (board->add_rom1) {
76 board->add_rom1(s, DIGIC4_ROM1_BASE,
77 machine->firmware ?: board->rom1_def_filename);
78 }
79 }
80
81 static void digic_load_rom(DigicState *s, hwaddr addr,
82 hwaddr max_size, const char *filename)
83 {
84 target_long rom_size;
85
86 if (qtest_enabled()) {
87 /* qtest runs no code so don't attempt a ROM load which
88 * could fail and result in a spurious test failure.
89 */
90 return;
91 }
92
93 if (filename) {
94 char *fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, filename);
95
96 if (!fn) {
97 error_report("Couldn't find rom image '%s'.", filename);
98 exit(1);
99 }
100
101 rom_size = load_image_targphys(fn, addr, max_size);
102 if (rom_size < 0 || rom_size > max_size) {
103 error_report("Couldn't load rom image '%s'.", filename);
104 exit(1);
105 }
106 g_free(fn);
107 }
108 }
109
110 /*
111 * Samsung K8P3215UQB
112 * 64M Bit (4Mx16) Page Mode / Multi-Bank NOR Flash Memory
113 */
114 static void digic4_add_k8p3215uqb_rom(DigicState *s, hwaddr addr,
115 const char *filename)
116 {
117 #define FLASH_K8P3215UQB_SIZE (4 * 1024 * 1024)
118 #define FLASH_K8P3215UQB_SECTOR_SIZE (64 * 1024)
119
120 pflash_cfi02_register(addr, "pflash", FLASH_K8P3215UQB_SIZE,
121 NULL, FLASH_K8P3215UQB_SECTOR_SIZE,
122 DIGIC4_ROM_MAX_SIZE / FLASH_K8P3215UQB_SIZE,
123 4,
124 0x00EC, 0x007E, 0x0003, 0x0001,
125 0x0555, 0x2aa, 0);
126
127 digic_load_rom(s, addr, FLASH_K8P3215UQB_SIZE, filename);
128 }
129
130 static DigicBoard digic4_board_canon_a1100 = {
131 .add_rom1 = digic4_add_k8p3215uqb_rom,
132 .rom1_def_filename = "canon-a1100-rom1.bin",
133 };
134
135 static void canon_a1100_init(MachineState *machine)
136 {
137 digic4_board_init(machine, &digic4_board_canon_a1100);
138 }
139
140 static void canon_a1100_machine_init(MachineClass *mc)
141 {
142 mc->desc = "Canon PowerShot A1100 IS (ARM946)";
143 mc->init = &canon_a1100_init;
144 mc->ignore_memory_transaction_failures = true;
145 mc->default_ram_size = 64 * MiB;
146 mc->default_ram_id = "ram";
147 }
148
149 DEFINE_MACHINE("canon-a1100", canon_a1100_machine_init)