xref: /openbmc/qemu/hw/arm/exynos4_boards.c (revision c71c3e99)
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 "sysemu/sysemu.h"
25 #include "hw/sysbus.h"
26 #include "net/net.h"
27 #include "hw/arm-misc.h"
28 #include "exec/address-spaces.h"
29 #include "hw/exynos4210.h"
30 #include "hw/boards.h"
31 
32 #undef DEBUG
33 
34 //#define DEBUG
35 
36 #ifdef DEBUG
37     #undef PRINT_DEBUG
38     #define  PRINT_DEBUG(fmt, args...) \
39         do { \
40             fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
41         } while (0)
42 #else
43     #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
44 #endif
45 
46 #define SMDK_LAN9118_BASE_ADDR      0x05000000
47 
48 typedef enum Exynos4BoardType {
49     EXYNOS4_BOARD_NURI,
50     EXYNOS4_BOARD_SMDKC210,
51     EXYNOS4_NUM_OF_BOARDS
52 } Exynos4BoardType;
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]     = 0x40000000,
66     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
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 QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS];
77 
78 static void lan9215_init(uint32_t base, qemu_irq irq)
79 {
80     DeviceState *dev;
81     SysBusDevice *s;
82 
83     /* This should be a 9215 but the 9118 is close enough */
84     if (nd_table[0].used) {
85         qemu_check_nic_model(&nd_table[0], "lan9118");
86         dev = qdev_create(NULL, "lan9118");
87         qdev_set_nic_properties(dev, &nd_table[0]);
88         qdev_prop_set_uint32(dev, "mode_16bit", 1);
89         qdev_init_nofail(dev);
90         s = SYS_BUS_DEVICE(dev);
91         sysbus_mmio_map(s, 0, base);
92         sysbus_connect_irq(s, 0, irq);
93     }
94 }
95 
96 static Exynos4210State *exynos4_boards_init_common(QEMUMachineInitArgs *args,
97                                                    Exynos4BoardType board_type)
98 {
99     if (smp_cpus != EXYNOS4210_NCPUS) {
100         fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus"
101                 " value.\n",
102                 exynos4_machines[board_type].name,
103                 exynos4_machines[board_type].max_cpus);
104     }
105 
106     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
107     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
108     exynos4_board_binfo.smp_bootreg_addr =
109             exynos4_board_smp_bootreg_addr[board_type];
110     exynos4_board_binfo.kernel_filename = args->kernel_filename;
111     exynos4_board_binfo.initrd_filename = args->initrd_filename;
112     exynos4_board_binfo.kernel_cmdline = args->kernel_cmdline;
113     exynos4_board_binfo.gic_cpu_if_addr =
114             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
115 
116     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
117             " kernel_filename: %s\n"
118             " kernel_cmdline: %s\n"
119             " initrd_filename: %s\n",
120             exynos4_board_ram_size[board_type] / 1048576,
121             exynos4_board_ram_size[board_type],
122             args->kernel_filename,
123             args->kernel_cmdline,
124             args->initrd_filename);
125 
126     return exynos4210_init(get_system_memory(),
127             exynos4_board_ram_size[board_type]);
128 }
129 
130 static void nuri_init(QEMUMachineInitArgs *args)
131 {
132     exynos4_boards_init_common(args, EXYNOS4_BOARD_NURI);
133 
134     arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
135 }
136 
137 static void smdkc210_init(QEMUMachineInitArgs *args)
138 {
139     Exynos4210State *s = exynos4_boards_init_common(args,
140                                                     EXYNOS4_BOARD_SMDKC210);
141 
142     lan9215_init(SMDK_LAN9118_BASE_ADDR,
143             qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)]));
144     arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
145 }
146 
147 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = {
148     [EXYNOS4_BOARD_NURI] = {
149         .name = "nuri",
150         .desc = "Samsung NURI board (Exynos4210)",
151         .init = nuri_init,
152         .max_cpus = EXYNOS4210_NCPUS,
153         DEFAULT_MACHINE_OPTIONS,
154     },
155     [EXYNOS4_BOARD_SMDKC210] = {
156         .name = "smdkc210",
157         .desc = "Samsung SMDKC210 board (Exynos4210)",
158         .init = smdkc210_init,
159         .max_cpus = EXYNOS4210_NCPUS,
160         DEFAULT_MACHINE_OPTIONS,
161     },
162 };
163 
164 static void exynos4_machine_init(void)
165 {
166     qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_NURI]);
167     qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_SMDKC210]);
168 }
169 
170 machine_init(exynos4_machine_init);
171