1 /*
2 * Samsung exynos4 SoC based boards emulation
3 *
4 * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
5 * Maksim Kozlov <m.kozlov@samsung.com>
6 * Evgeny Voevodin <e.voevodin@samsung.com>
7 * Igor Mitsyanko <i.mitsyanko@samsung.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 * for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, see <http://www.gnu.org/licenses/>.
21 *
22 */
23
24 #include "qemu/osdep.h"
25 #include "qemu/units.h"
26 #include "qapi/error.h"
27 #include "qemu/error-report.h"
28 #include "hw/sysbus.h"
29 #include "net/net.h"
30 #include "hw/arm/boot.h"
31 #include "exec/address-spaces.h"
32 #include "hw/arm/exynos4210.h"
33 #include "hw/net/lan9118.h"
34 #include "hw/qdev-properties.h"
35 #include "hw/boards.h"
36 #include "hw/irq.h"
37
38 #define SMDK_LAN9118_BASE_ADDR 0x05000000
39
40 typedef enum Exynos4BoardType {
41 EXYNOS4_BOARD_NURI,
42 EXYNOS4_BOARD_SMDKC210,
43 EXYNOS4_NUM_OF_BOARDS
44 } Exynos4BoardType;
45
46 typedef struct Exynos4BoardState {
47 Exynos4210State soc;
48 MemoryRegion dram0_mem;
49 MemoryRegion dram1_mem;
50 } Exynos4BoardState;
51
52 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
53 [EXYNOS4_BOARD_NURI] = 0xD33,
54 [EXYNOS4_BOARD_SMDKC210] = 0xB16,
55 };
56
57 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
58 [EXYNOS4_BOARD_NURI] = EXYNOS4210_SECOND_CPU_BOOTREG,
59 [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
60 };
61
62 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
63 [EXYNOS4_BOARD_NURI] = 1 * GiB,
64 [EXYNOS4_BOARD_SMDKC210] = 1 * GiB,
65 };
66
67 static struct arm_boot_info exynos4_board_binfo = {
68 .loader_start = EXYNOS4210_BASE_BOOT_ADDR,
69 .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
70 .write_secondary_boot = exynos4210_write_secondary,
71 };
72
lan9215_init(uint32_t base,qemu_irq irq)73 static void lan9215_init(uint32_t base, qemu_irq irq)
74 {
75 DeviceState *dev;
76 SysBusDevice *s;
77
78 /* This should be a 9215 but the 9118 is close enough */
79 if (nd_table[0].used) {
80 qemu_check_nic_model(&nd_table[0], "lan9118");
81 dev = qdev_new(TYPE_LAN9118);
82 qdev_set_nic_properties(dev, &nd_table[0]);
83 qdev_prop_set_uint32(dev, "mode_16bit", 1);
84 s = SYS_BUS_DEVICE(dev);
85 sysbus_realize_and_unref(s, &error_fatal);
86 sysbus_mmio_map(s, 0, base);
87 sysbus_connect_irq(s, 0, irq);
88 }
89 }
90
exynos4_boards_init_ram(Exynos4BoardState * s,MemoryRegion * system_mem,unsigned long ram_size)91 static void exynos4_boards_init_ram(Exynos4BoardState *s,
92 MemoryRegion *system_mem,
93 unsigned long ram_size)
94 {
95 unsigned long mem_size = ram_size;
96
97 if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
98 memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
99 mem_size - EXYNOS4210_DRAM_MAX_SIZE,
100 &error_fatal);
101 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
102 &s->dram1_mem);
103 mem_size = EXYNOS4210_DRAM_MAX_SIZE;
104 }
105
106 memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
107 &error_fatal);
108 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
109 &s->dram0_mem);
110 }
111
112 static Exynos4BoardState *
exynos4_boards_init_common(MachineState * machine,Exynos4BoardType board_type)113 exynos4_boards_init_common(MachineState *machine,
114 Exynos4BoardType board_type)
115 {
116 Exynos4BoardState *s = g_new(Exynos4BoardState, 1);
117
118 exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
119 exynos4_board_binfo.board_id = exynos4_board_id[board_type];
120 exynos4_board_binfo.smp_bootreg_addr =
121 exynos4_board_smp_bootreg_addr[board_type];
122 exynos4_board_binfo.gic_cpu_if_addr =
123 EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
124
125 exynos4_boards_init_ram(s, get_system_memory(),
126 exynos4_board_ram_size[board_type]);
127
128 object_initialize_child(OBJECT(machine), "soc", &s->soc,
129 TYPE_EXYNOS4210_SOC);
130 sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_fatal);
131
132 return s;
133 }
134
nuri_init(MachineState * machine)135 static void nuri_init(MachineState *machine)
136 {
137 Exynos4BoardState *s = exynos4_boards_init_common(machine,
138 EXYNOS4_BOARD_NURI);
139
140 arm_load_kernel(s->soc.cpu[0], machine, &exynos4_board_binfo);
141 }
142
smdkc210_init(MachineState * machine)143 static void smdkc210_init(MachineState *machine)
144 {
145 Exynos4BoardState *s = exynos4_boards_init_common(machine,
146 EXYNOS4_BOARD_SMDKC210);
147
148 lan9215_init(SMDK_LAN9118_BASE_ADDR,
149 qemu_irq_invert(s->soc.irq_table[exynos4210_get_irq(37, 1)]));
150 arm_load_kernel(s->soc.cpu[0], machine, &exynos4_board_binfo);
151 }
152
nuri_class_init(ObjectClass * oc,void * data)153 static void nuri_class_init(ObjectClass *oc, void *data)
154 {
155 MachineClass *mc = MACHINE_CLASS(oc);
156
157 mc->desc = "Samsung NURI board (Exynos4210)";
158 mc->init = nuri_init;
159 mc->max_cpus = EXYNOS4210_NCPUS;
160 mc->min_cpus = EXYNOS4210_NCPUS;
161 mc->default_cpus = EXYNOS4210_NCPUS;
162 mc->ignore_memory_transaction_failures = true;
163 }
164
165 static const TypeInfo nuri_type = {
166 .name = MACHINE_TYPE_NAME("nuri"),
167 .parent = TYPE_MACHINE,
168 .class_init = nuri_class_init,
169 };
170
smdkc210_class_init(ObjectClass * oc,void * data)171 static void smdkc210_class_init(ObjectClass *oc, void *data)
172 {
173 MachineClass *mc = MACHINE_CLASS(oc);
174
175 mc->desc = "Samsung SMDKC210 board (Exynos4210)";
176 mc->init = smdkc210_init;
177 mc->max_cpus = EXYNOS4210_NCPUS;
178 mc->min_cpus = EXYNOS4210_NCPUS;
179 mc->default_cpus = EXYNOS4210_NCPUS;
180 mc->ignore_memory_transaction_failures = true;
181 }
182
183 static const TypeInfo smdkc210_type = {
184 .name = MACHINE_TYPE_NAME("smdkc210"),
185 .parent = TYPE_MACHINE,
186 .class_init = smdkc210_class_init,
187 };
188
exynos4_machines_init(void)189 static void exynos4_machines_init(void)
190 {
191 type_register_static(&nuri_type);
192 type_register_static(&smdkc210_type);
193 }
194
195 type_init(exynos4_machines_init)
196