xref: /openbmc/qemu/hw/arm/exynos4_boards.c (revision 135b03cb)
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 
42 typedef enum Exynos4BoardType {
43     EXYNOS4_BOARD_NURI,
44     EXYNOS4_BOARD_SMDKC210,
45     EXYNOS4_NUM_OF_BOARDS
46 } Exynos4BoardType;
47 
48 typedef struct Exynos4BoardState {
49     Exynos4210State soc;
50     MemoryRegion dram0_mem;
51     MemoryRegion dram1_mem;
52 } Exynos4BoardState;
53 
54 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
55     [EXYNOS4_BOARD_NURI]     = 0xD33,
56     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
57 };
58 
59 static 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 
64 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
65     [EXYNOS4_BOARD_NURI]     = 1 * GiB,
66     [EXYNOS4_BOARD_SMDKC210] = 1 * GiB,
67 };
68 
69 static 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 
76 static 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 
94 static 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 
115 static Exynos4BoardState *
116 exynos4_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.kernel_filename = machine->kernel_filename;
126     exynos4_board_binfo.initrd_filename = machine->initrd_filename;
127     exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
128     exynos4_board_binfo.gic_cpu_if_addr =
129             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
130 
131     exynos4_boards_init_ram(s, get_system_memory(),
132                             exynos4_board_ram_size[board_type]);
133 
134     object_initialize(&s->soc, sizeof(s->soc), TYPE_EXYNOS4210_SOC);
135     qdev_set_parent_bus(DEVICE(&s->soc), sysbus_get_default());
136     object_property_set_bool(OBJECT(&s->soc), true, "realized",
137                              &error_fatal);
138 
139     return s;
140 }
141 
142 static void nuri_init(MachineState *machine)
143 {
144     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
145 
146     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
147 }
148 
149 static void smdkc210_init(MachineState *machine)
150 {
151     Exynos4BoardState *s = exynos4_boards_init_common(machine,
152                                                       EXYNOS4_BOARD_SMDKC210);
153 
154     lan9215_init(SMDK_LAN9118_BASE_ADDR,
155             qemu_irq_invert(s->soc.irq_table[exynos4210_get_irq(37, 1)]));
156     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
157 }
158 
159 static void nuri_class_init(ObjectClass *oc, void *data)
160 {
161     MachineClass *mc = MACHINE_CLASS(oc);
162 
163     mc->desc = "Samsung NURI board (Exynos4210)";
164     mc->init = nuri_init;
165     mc->max_cpus = EXYNOS4210_NCPUS;
166     mc->min_cpus = EXYNOS4210_NCPUS;
167     mc->default_cpus = EXYNOS4210_NCPUS;
168     mc->ignore_memory_transaction_failures = true;
169 }
170 
171 static const TypeInfo nuri_type = {
172     .name = MACHINE_TYPE_NAME("nuri"),
173     .parent = TYPE_MACHINE,
174     .class_init = nuri_class_init,
175 };
176 
177 static void smdkc210_class_init(ObjectClass *oc, void *data)
178 {
179     MachineClass *mc = MACHINE_CLASS(oc);
180 
181     mc->desc = "Samsung SMDKC210 board (Exynos4210)";
182     mc->init = smdkc210_init;
183     mc->max_cpus = EXYNOS4210_NCPUS;
184     mc->min_cpus = EXYNOS4210_NCPUS;
185     mc->default_cpus = EXYNOS4210_NCPUS;
186     mc->ignore_memory_transaction_failures = true;
187 }
188 
189 static const TypeInfo smdkc210_type = {
190     .name = MACHINE_TYPE_NAME("smdkc210"),
191     .parent = TYPE_MACHINE,
192     .class_init = smdkc210_class_init,
193 };
194 
195 static void exynos4_machines_init(void)
196 {
197     type_register_static(&nuri_type);
198     type_register_static(&smdkc210_type);
199 }
200 
201 type_init(exynos4_machines_init)
202