xref: /openbmc/qemu/hw/arm/exynos4_boards.c (revision 9d49bcf6)
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     .nb_cpus          = EXYNOS4210_NCPUS,
71     .write_secondary_boot = exynos4210_write_secondary,
72 };
73 
74 static void lan9215_init(uint32_t base, qemu_irq irq)
75 {
76     DeviceState *dev;
77     SysBusDevice *s;
78 
79     /* This should be a 9215 but the 9118 is close enough */
80     if (nd_table[0].used) {
81         qemu_check_nic_model(&nd_table[0], "lan9118");
82         dev = qdev_new(TYPE_LAN9118);
83         qdev_set_nic_properties(dev, &nd_table[0]);
84         qdev_prop_set_uint32(dev, "mode_16bit", 1);
85         s = SYS_BUS_DEVICE(dev);
86         sysbus_realize_and_unref(s, &error_fatal);
87         sysbus_mmio_map(s, 0, base);
88         sysbus_connect_irq(s, 0, irq);
89     }
90 }
91 
92 static void exynos4_boards_init_ram(Exynos4BoardState *s,
93                                     MemoryRegion *system_mem,
94                                     unsigned long ram_size)
95 {
96     unsigned long mem_size = ram_size;
97 
98     if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
99         memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
100                                mem_size - EXYNOS4210_DRAM_MAX_SIZE,
101                                &error_fatal);
102         memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
103                                     &s->dram1_mem);
104         mem_size = EXYNOS4210_DRAM_MAX_SIZE;
105     }
106 
107     memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
108                            &error_fatal);
109     memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
110                                 &s->dram0_mem);
111 }
112 
113 static Exynos4BoardState *
114 exynos4_boards_init_common(MachineState *machine,
115                            Exynos4BoardType board_type)
116 {
117     Exynos4BoardState *s = g_new(Exynos4BoardState, 1);
118 
119     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
120     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
121     exynos4_board_binfo.smp_bootreg_addr =
122             exynos4_board_smp_bootreg_addr[board_type];
123     exynos4_board_binfo.gic_cpu_if_addr =
124             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
125 
126     exynos4_boards_init_ram(s, get_system_memory(),
127                             exynos4_board_ram_size[board_type]);
128 
129     object_initialize_child(OBJECT(machine), "soc", &s->soc,
130                             TYPE_EXYNOS4210_SOC);
131     sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_fatal);
132 
133     return s;
134 }
135 
136 static void nuri_init(MachineState *machine)
137 {
138     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
139 
140     arm_load_kernel(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
141 }
142 
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(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
151 }
152 
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 
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 
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