hw/arm/bcm2836: Only provide "enabled-cpus" property to multicore SoCs
[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 "cpu.h"
30 #include "hw/boards.h"
31 #include "exec/address-spaces.h"
32 #include "qemu/error-report.h"
33 #include "hw/arm/digic.h"
34 #include "hw/block/flash.h"
35 #include "hw/loader.h"
36 #include "sysemu/sysemu.h"
37 #include "sysemu/qtest.h"
38 #include "qemu/units.h"
39 #include "qemu/cutils.h"
40
41 #define DIGIC4_ROM0_BASE 0xf0000000
42 #define DIGIC4_ROM1_BASE 0xf8000000
43 #define DIGIC4_ROM_MAX_SIZE 0x08000000
44
45 typedef struct DigicBoard {
46 void (*add_rom0)(DigicState *, hwaddr, const char *);
47 const char *rom0_def_filename;
48 void (*add_rom1)(DigicState *, hwaddr, const char *);
49 const char *rom1_def_filename;
50 } DigicBoard;
51
52 static void digic4_board_init(MachineState *machine, DigicBoard *board)
53 {
54 Error *err = NULL;
55 DigicState *s = DIGIC(object_new(TYPE_DIGIC));
56 MachineClass *mc = MACHINE_GET_CLASS(machine);
57
58 if (machine->ram_size != mc->default_ram_size) {
59 char *sz = size_to_str(mc->default_ram_size);
60 error_report("Invalid RAM size, should be %s", sz);
61 g_free(sz);
62 exit(EXIT_FAILURE);
63 }
64
65 if (!qdev_realize(DEVICE(s), NULL, &err)) {
66 error_reportf_err(err, "Couldn't realize DIGIC SoC: ");
67 exit(1);
68 }
69
70 memory_region_add_subregion(get_system_memory(), 0, machine->ram);
71
72 if (board->add_rom0) {
73 board->add_rom0(s, DIGIC4_ROM0_BASE, board->rom0_def_filename);
74 }
75
76 if (board->add_rom1) {
77 board->add_rom1(s, DIGIC4_ROM1_BASE, board->rom1_def_filename);
78 }
79 }
80
81 static void digic_load_rom(DigicState *s, hwaddr addr,
82 hwaddr max_size, const char *def_filename)
83 {
84 target_long rom_size;
85 const char *filename;
86
87 if (qtest_enabled()) {
88 /* qtest runs no code so don't attempt a ROM load which
89 * could fail and result in a spurious test failure.
90 */
91 return;
92 }
93
94 if (bios_name) {
95 filename = bios_name;
96 } else {
97 filename = def_filename;
98 }
99
100 if (filename) {
101 char *fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, filename);
102
103 if (!fn) {
104 error_report("Couldn't find rom image '%s'.", filename);
105 exit(1);
106 }
107
108 rom_size = load_image_targphys(fn, addr, max_size);
109 if (rom_size < 0 || rom_size > max_size) {
110 error_report("Couldn't load rom image '%s'.", filename);
111 exit(1);
112 }
113 g_free(fn);
114 }
115 }
116
117 /*
118 * Samsung K8P3215UQB
119 * 64M Bit (4Mx16) Page Mode / Multi-Bank NOR Flash Memory
120 */
121 static void digic4_add_k8p3215uqb_rom(DigicState *s, hwaddr addr,
122 const char *def_filename)
123 {
124 #define FLASH_K8P3215UQB_SIZE (4 * 1024 * 1024)
125 #define FLASH_K8P3215UQB_SECTOR_SIZE (64 * 1024)
126
127 pflash_cfi02_register(addr, "pflash", FLASH_K8P3215UQB_SIZE,
128 NULL, FLASH_K8P3215UQB_SECTOR_SIZE,
129 DIGIC4_ROM_MAX_SIZE / FLASH_K8P3215UQB_SIZE,
130 4,
131 0x00EC, 0x007E, 0x0003, 0x0001,
132 0x0555, 0x2aa, 0);
133
134 digic_load_rom(s, addr, FLASH_K8P3215UQB_SIZE, def_filename);
135 }
136
137 static DigicBoard digic4_board_canon_a1100 = {
138 .add_rom1 = digic4_add_k8p3215uqb_rom,
139 .rom1_def_filename = "canon-a1100-rom1.bin",
140 };
141
142 static void canon_a1100_init(MachineState *machine)
143 {
144 digic4_board_init(machine, &digic4_board_canon_a1100);
145 }
146
147 static void canon_a1100_machine_init(MachineClass *mc)
148 {
149 mc->desc = "Canon PowerShot A1100 IS";
150 mc->init = &canon_a1100_init;
151 mc->ignore_memory_transaction_failures = true;
152 mc->default_ram_size = 64 * MiB;
153 mc->default_ram_id = "ram";
154 }
155
156 DEFINE_MACHINE("canon-a1100", canon_a1100_machine_init)