xref: /openbmc/qemu/hw/arm/exynos4_boards.c (revision 0c0c1fd9)
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-common.h"
26 #include "cpu.h"
27 #include "sysemu/sysemu.h"
28 #include "sysemu/qtest.h"
29 #include "hw/sysbus.h"
30 #include "net/net.h"
31 #include "hw/arm/arm.h"
32 #include "exec/address-spaces.h"
33 #include "hw/arm/exynos4210.h"
34 #include "hw/boards.h"
35 
36 #undef DEBUG
37 
38 //#define DEBUG
39 
40 #ifdef DEBUG
41     #undef PRINT_DEBUG
42     #define  PRINT_DEBUG(fmt, args...) \
43         do { \
44             fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
45         } while (0)
46 #else
47     #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
48 #endif
49 
50 #define SMDK_LAN9118_BASE_ADDR      0x05000000
51 
52 typedef enum Exynos4BoardType {
53     EXYNOS4_BOARD_NURI,
54     EXYNOS4_BOARD_SMDKC210,
55     EXYNOS4_NUM_OF_BOARDS
56 } Exynos4BoardType;
57 
58 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
59     [EXYNOS4_BOARD_NURI]     = 0xD33,
60     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
61 };
62 
63 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
64     [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
65     [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
66 };
67 
68 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
69     [EXYNOS4_BOARD_NURI]     = 0x40000000,
70     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
71 };
72 
73 static struct arm_boot_info exynos4_board_binfo = {
74     .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
75     .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
76     .nb_cpus          = EXYNOS4210_NCPUS,
77     .write_secondary_boot = exynos4210_write_secondary,
78 };
79 
80 static void lan9215_init(uint32_t base, qemu_irq irq)
81 {
82     DeviceState *dev;
83     SysBusDevice *s;
84 
85     /* This should be a 9215 but the 9118 is close enough */
86     if (nd_table[0].used) {
87         qemu_check_nic_model(&nd_table[0], "lan9118");
88         dev = qdev_create(NULL, "lan9118");
89         qdev_set_nic_properties(dev, &nd_table[0]);
90         qdev_prop_set_uint32(dev, "mode_16bit", 1);
91         qdev_init_nofail(dev);
92         s = SYS_BUS_DEVICE(dev);
93         sysbus_mmio_map(s, 0, base);
94         sysbus_connect_irq(s, 0, irq);
95     }
96 }
97 
98 static Exynos4210State *exynos4_boards_init_common(MachineState *machine,
99                                                    Exynos4BoardType board_type)
100 {
101     MachineClass *mc = MACHINE_GET_CLASS(machine);
102 
103     if (smp_cpus != EXYNOS4210_NCPUS && !qtest_enabled()) {
104         fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus"
105                 " value.\n",
106                 mc->name, EXYNOS4210_NCPUS);
107     }
108 
109     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
110     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
111     exynos4_board_binfo.smp_bootreg_addr =
112             exynos4_board_smp_bootreg_addr[board_type];
113     exynos4_board_binfo.kernel_filename = machine->kernel_filename;
114     exynos4_board_binfo.initrd_filename = machine->initrd_filename;
115     exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
116     exynos4_board_binfo.gic_cpu_if_addr =
117             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
118 
119     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
120             " kernel_filename: %s\n"
121             " kernel_cmdline: %s\n"
122             " initrd_filename: %s\n",
123             exynos4_board_ram_size[board_type] / 1048576,
124             exynos4_board_ram_size[board_type],
125             machine->kernel_filename,
126             machine->kernel_cmdline,
127             machine->initrd_filename);
128 
129     return exynos4210_init(get_system_memory(),
130             exynos4_board_ram_size[board_type]);
131 }
132 
133 static void nuri_init(MachineState *machine)
134 {
135     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
136 
137     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
138 }
139 
140 static void smdkc210_init(MachineState *machine)
141 {
142     Exynos4210State *s = exynos4_boards_init_common(machine,
143                                                     EXYNOS4_BOARD_SMDKC210);
144 
145     lan9215_init(SMDK_LAN9118_BASE_ADDR,
146             qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)]));
147     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
148 }
149 
150 static void nuri_class_init(ObjectClass *oc, void *data)
151 {
152     MachineClass *mc = MACHINE_CLASS(oc);
153 
154     mc->desc = "Samsung NURI board (Exynos4210)";
155     mc->init = nuri_init;
156     mc->max_cpus = EXYNOS4210_NCPUS;
157 }
158 
159 static const TypeInfo nuri_type = {
160     .name = MACHINE_TYPE_NAME("nuri"),
161     .parent = TYPE_MACHINE,
162     .class_init = nuri_class_init,
163 };
164 
165 static void smdkc210_class_init(ObjectClass *oc, void *data)
166 {
167     MachineClass *mc = MACHINE_CLASS(oc);
168 
169     mc->desc = "Samsung SMDKC210 board (Exynos4210)";
170     mc->init = smdkc210_init;
171     mc->max_cpus = EXYNOS4210_NCPUS;
172 }
173 
174 static const TypeInfo smdkc210_type = {
175     .name = MACHINE_TYPE_NAME("smdkc210"),
176     .parent = TYPE_MACHINE,
177     .class_init = smdkc210_class_init,
178 };
179 
180 static void exynos4_machines_init(void)
181 {
182     type_register_static(&nuri_type);
183     type_register_static(&smdkc210_type);
184 }
185 
186 type_init(exynos4_machines_init)
187