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 "cpu.h"
29#include "sysemu/sysemu.h"
30#include "hw/sysbus.h"
31#include "net/net.h"
32#include "hw/arm/boot.h"
33#include "exec/address-spaces.h"
34#include "hw/arm/exynos4210.h"
35#include "hw/net/lan9118.h"
36#include "hw/qdev-properties.h"
37#include "hw/boards.h"
38#include "hw/irq.h"
39
40#define SMDK_LAN9118_BASE_ADDR 0x05000000
41
42typedef enum Exynos4BoardType {
43 EXYNOS4_BOARD_NURI,
44 EXYNOS4_BOARD_SMDKC210,
45 EXYNOS4_NUM_OF_BOARDS
46} Exynos4BoardType;
47
48typedef struct Exynos4BoardState {
49 Exynos4210State soc;
50 MemoryRegion dram0_mem;
51 MemoryRegion dram1_mem;
52} Exynos4BoardState;
53
54static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
55 [EXYNOS4_BOARD_NURI] = 0xD33,
56 [EXYNOS4_BOARD_SMDKC210] = 0xB16,
57};
58
59static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
60 [EXYNOS4_BOARD_NURI] = EXYNOS4210_SECOND_CPU_BOOTREG,
61 [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
62};
63
64static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
65 [EXYNOS4_BOARD_NURI] = 1 * GiB,
66 [EXYNOS4_BOARD_SMDKC210] = 1 * GiB,
67};
68
69static struct arm_boot_info exynos4_board_binfo = {
70 .loader_start = EXYNOS4210_BASE_BOOT_ADDR,
71 .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
72 .nb_cpus = EXYNOS4210_NCPUS,
73 .write_secondary_boot = exynos4210_write_secondary,
74};
75
76static void lan9215_init(uint32_t base, qemu_irq irq)
77{
78 DeviceState *dev;
79 SysBusDevice *s;
80
81 /* This should be a 9215 but the 9118 is close enough */
82 if (nd_table[0].used) {
83 qemu_check_nic_model(&nd_table[0], "lan9118");
84 dev = qdev_create(NULL, TYPE_LAN9118);
85 qdev_set_nic_properties(dev, &nd_table[0]);
86 qdev_prop_set_uint32(dev, "mode_16bit", 1);
87 qdev_init_nofail(dev);
88 s = SYS_BUS_DEVICE(dev);
89 sysbus_mmio_map(s, 0, base);
90 sysbus_connect_irq(s, 0, irq);
91 }
92}
93
94static void exynos4_boards_init_ram(Exynos4BoardState *s,
95 MemoryRegion *system_mem,
96 unsigned long ram_size)
97{
98 unsigned long mem_size = ram_size;
99
100 if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
101 memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
102 mem_size - EXYNOS4210_DRAM_MAX_SIZE,
103 &error_fatal);
104 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
105 &s->dram1_mem);
106 mem_size = EXYNOS4210_DRAM_MAX_SIZE;
107 }
108
109 memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
110 &error_fatal);
111 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
112 &s->dram0_mem);
113}
114
115static Exynos4BoardState *
116exynos4_boards_init_common(MachineState *machine,
117 Exynos4BoardType board_type)
118{
119 Exynos4BoardState *s = g_new(Exynos4BoardState, 1);
120
121 exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
122 exynos4_board_binfo.board_id = exynos4_board_id[board_type];
123 exynos4_board_binfo.smp_bootreg_addr =
124 exynos4_board_smp_bootreg_addr[board_type];
125 exynos4_board_binfo.gic_cpu_if_addr =
126 EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
127
128 exynos4_boards_init_ram(s, get_system_memory(),
129 exynos4_board_ram_size[board_type]);
130
131 sysbus_init_child_obj(OBJECT(machine), "soc",
132 &s->soc, sizeof(s->soc), TYPE_EXYNOS4210_SOC);
133 object_property_set_bool(OBJECT(&s->soc), true, "realized",
134 &error_fatal);
135
136 return s;
137}
138
139static void nuri_init(MachineState *machine)
140{
141 exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
142
143 arm_load_kernel(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
144}
145
146static void smdkc210_init(MachineState *machine)
147{
148 Exynos4BoardState *s = exynos4_boards_init_common(machine,
149 EXYNOS4_BOARD_SMDKC210);
150
151 lan9215_init(SMDK_LAN9118_BASE_ADDR,
152 qemu_irq_invert(s->soc.irq_table[exynos4210_get_irq(37, 1)]));
153 arm_load_kernel(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
154}
155
156static void nuri_class_init(ObjectClass *oc, void *data)
157{
158 MachineClass *mc = MACHINE_CLASS(oc);
159
160 mc->desc = "Samsung NURI board (Exynos4210)";
161 mc->init = nuri_init;
162 mc->max_cpus = EXYNOS4210_NCPUS;
163 mc->min_cpus = EXYNOS4210_NCPUS;
164 mc->default_cpus = EXYNOS4210_NCPUS;
165 mc->ignore_memory_transaction_failures = true;
166}
167
168static const TypeInfo nuri_type = {
169 .name = MACHINE_TYPE_NAME("nuri"),
170 .parent = TYPE_MACHINE,
171 .class_init = nuri_class_init,
172};
173
174static void smdkc210_class_init(ObjectClass *oc, void *data)
175{
176 MachineClass *mc = MACHINE_CLASS(oc);
177
178 mc->desc = "Samsung SMDKC210 board (Exynos4210)";
179 mc->init = smdkc210_init;
180 mc->max_cpus = EXYNOS4210_NCPUS;
181 mc->min_cpus = EXYNOS4210_NCPUS;
182 mc->default_cpus = EXYNOS4210_NCPUS;
183 mc->ignore_memory_transaction_failures = true;
184}
185
186static const TypeInfo smdkc210_type = {
187 .name = MACHINE_TYPE_NAME("smdkc210"),
188 .parent = TYPE_MACHINE,
189 .class_init = smdkc210_class_init,
190};
191
192static void exynos4_machines_init(void)
193{
194 type_register_static(&nuri_type);
195 type_register_static(&smdkc210_type);
196}
197
198type_init(exynos4_machines_init)
199