xref: /openbmc/qemu/hw/arm/exynos4_boards.c (revision e2d05011)
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 "sysemu/qtest.h"
26 #include "hw/sysbus.h"
27 #include "net/net.h"
28 #include "hw/arm/arm.h"
29 #include "exec/address-spaces.h"
30 #include "hw/arm/exynos4210.h"
31 #include "hw/boards.h"
32 
33 #undef DEBUG
34 
35 //#define DEBUG
36 
37 #ifdef DEBUG
38     #undef PRINT_DEBUG
39     #define  PRINT_DEBUG(fmt, args...) \
40         do { \
41             fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
42         } while (0)
43 #else
44     #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
45 #endif
46 
47 #define SMDK_LAN9118_BASE_ADDR      0x05000000
48 
49 typedef enum Exynos4BoardType {
50     EXYNOS4_BOARD_NURI,
51     EXYNOS4_BOARD_SMDKC210,
52     EXYNOS4_NUM_OF_BOARDS
53 } Exynos4BoardType;
54 
55 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
56     [EXYNOS4_BOARD_NURI]     = 0xD33,
57     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
58 };
59 
60 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
61     [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
62     [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
63 };
64 
65 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
66     [EXYNOS4_BOARD_NURI]     = 0x40000000,
67     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
68 };
69 
70 static struct arm_boot_info exynos4_board_binfo = {
71     .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
72     .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
73     .nb_cpus          = EXYNOS4210_NCPUS,
74     .write_secondary_boot = exynos4210_write_secondary,
75 };
76 
77 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS];
78 
79 static void lan9215_init(uint32_t base, qemu_irq irq)
80 {
81     DeviceState *dev;
82     SysBusDevice *s;
83 
84     /* This should be a 9215 but the 9118 is close enough */
85     if (nd_table[0].used) {
86         qemu_check_nic_model(&nd_table[0], "lan9118");
87         dev = qdev_create(NULL, "lan9118");
88         qdev_set_nic_properties(dev, &nd_table[0]);
89         qdev_prop_set_uint32(dev, "mode_16bit", 1);
90         qdev_init_nofail(dev);
91         s = SYS_BUS_DEVICE(dev);
92         sysbus_mmio_map(s, 0, base);
93         sysbus_connect_irq(s, 0, irq);
94     }
95 }
96 
97 static Exynos4210State *exynos4_boards_init_common(MachineState *machine,
98                                                    Exynos4BoardType board_type)
99 {
100     if (smp_cpus != EXYNOS4210_NCPUS && !qtest_enabled()) {
101         fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus"
102                 " value.\n",
103                 exynos4_machines[board_type].name,
104                 exynos4_machines[board_type].max_cpus);
105     }
106 
107     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
108     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
109     exynos4_board_binfo.smp_bootreg_addr =
110             exynos4_board_smp_bootreg_addr[board_type];
111     exynos4_board_binfo.kernel_filename = machine->kernel_filename;
112     exynos4_board_binfo.initrd_filename = machine->initrd_filename;
113     exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
114     exynos4_board_binfo.gic_cpu_if_addr =
115             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
116 
117     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
118             " kernel_filename: %s\n"
119             " kernel_cmdline: %s\n"
120             " initrd_filename: %s\n",
121             exynos4_board_ram_size[board_type] / 1048576,
122             exynos4_board_ram_size[board_type],
123             machine->kernel_filename,
124             machine->kernel_cmdline,
125             machine->initrd_filename);
126 
127     return exynos4210_init(get_system_memory(),
128             exynos4_board_ram_size[board_type]);
129 }
130 
131 static void nuri_init(MachineState *machine)
132 {
133     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
134 
135     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
136 }
137 
138 static void smdkc210_init(MachineState *machine)
139 {
140     Exynos4210State *s = exynos4_boards_init_common(machine,
141                                                     EXYNOS4_BOARD_SMDKC210);
142 
143     lan9215_init(SMDK_LAN9118_BASE_ADDR,
144             qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)]));
145     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
146 }
147 
148 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = {
149     [EXYNOS4_BOARD_NURI] = {
150         .name = "nuri",
151         .desc = "Samsung NURI board (Exynos4210)",
152         .init = nuri_init,
153         .max_cpus = EXYNOS4210_NCPUS,
154     },
155     [EXYNOS4_BOARD_SMDKC210] = {
156         .name = "smdkc210",
157         .desc = "Samsung SMDKC210 board (Exynos4210)",
158         .init = smdkc210_init,
159         .max_cpus = EXYNOS4210_NCPUS,
160     },
161 };
162 
163 static void exynos4_machine_init(void)
164 {
165     qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_NURI]);
166     qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_SMDKC210]);
167 }
168 
169 machine_init(exynos4_machine_init);
170