xref: /openbmc/qemu/hw/arm/exynos4_boards.c (revision 709395f8)
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 "qapi/error.h"
26 #include "qemu/error-report.h"
27 #include "qemu-common.h"
28 #include "cpu.h"
29 #include "sysemu/sysemu.h"
30 #include "hw/sysbus.h"
31 #include "net/net.h"
32 #include "hw/arm/arm.h"
33 #include "exec/address-spaces.h"
34 #include "hw/arm/exynos4210.h"
35 #include "hw/boards.h"
36 
37 #undef DEBUG
38 
39 //#define DEBUG
40 
41 #ifdef DEBUG
42     #undef PRINT_DEBUG
43     #define  PRINT_DEBUG(fmt, args...) \
44         do { \
45             fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
46         } while (0)
47 #else
48     #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
49 #endif
50 
51 #define SMDK_LAN9118_BASE_ADDR      0x05000000
52 
53 typedef enum Exynos4BoardType {
54     EXYNOS4_BOARD_NURI,
55     EXYNOS4_BOARD_SMDKC210,
56     EXYNOS4_NUM_OF_BOARDS
57 } Exynos4BoardType;
58 
59 typedef struct Exynos4BoardState {
60     Exynos4210State *soc;
61     MemoryRegion dram0_mem;
62     MemoryRegion dram1_mem;
63 } Exynos4BoardState;
64 
65 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
66     [EXYNOS4_BOARD_NURI]     = 0xD33,
67     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
68 };
69 
70 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
71     [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
72     [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
73 };
74 
75 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
76     [EXYNOS4_BOARD_NURI]     = 0x40000000,
77     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
78 };
79 
80 static struct arm_boot_info exynos4_board_binfo = {
81     .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
82     .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
83     .nb_cpus          = EXYNOS4210_NCPUS,
84     .write_secondary_boot = exynos4210_write_secondary,
85 };
86 
87 static void lan9215_init(uint32_t base, qemu_irq irq)
88 {
89     DeviceState *dev;
90     SysBusDevice *s;
91 
92     /* This should be a 9215 but the 9118 is close enough */
93     if (nd_table[0].used) {
94         qemu_check_nic_model(&nd_table[0], "lan9118");
95         dev = qdev_create(NULL, "lan9118");
96         qdev_set_nic_properties(dev, &nd_table[0]);
97         qdev_prop_set_uint32(dev, "mode_16bit", 1);
98         qdev_init_nofail(dev);
99         s = SYS_BUS_DEVICE(dev);
100         sysbus_mmio_map(s, 0, base);
101         sysbus_connect_irq(s, 0, irq);
102     }
103 }
104 
105 static void exynos4_boards_init_ram(Exynos4BoardState *s,
106                                     MemoryRegion *system_mem,
107                                     unsigned long ram_size)
108 {
109     unsigned long mem_size = ram_size;
110 
111     if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
112         memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
113                                mem_size - EXYNOS4210_DRAM_MAX_SIZE,
114                                &error_fatal);
115         memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
116                                     &s->dram1_mem);
117         mem_size = EXYNOS4210_DRAM_MAX_SIZE;
118     }
119 
120     memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
121                            &error_fatal);
122     memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
123                                 &s->dram0_mem);
124 }
125 
126 static Exynos4BoardState *
127 exynos4_boards_init_common(MachineState *machine,
128                            Exynos4BoardType board_type)
129 {
130     Exynos4BoardState *s = g_new(Exynos4BoardState, 1);
131 
132     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
133     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
134     exynos4_board_binfo.smp_bootreg_addr =
135             exynos4_board_smp_bootreg_addr[board_type];
136     exynos4_board_binfo.kernel_filename = machine->kernel_filename;
137     exynos4_board_binfo.initrd_filename = machine->initrd_filename;
138     exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
139     exynos4_board_binfo.gic_cpu_if_addr =
140             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
141 
142     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
143             " kernel_filename: %s\n"
144             " kernel_cmdline: %s\n"
145             " initrd_filename: %s\n",
146             exynos4_board_ram_size[board_type] / 1048576,
147             exynos4_board_ram_size[board_type],
148             machine->kernel_filename,
149             machine->kernel_cmdline,
150             machine->initrd_filename);
151 
152     exynos4_boards_init_ram(s, get_system_memory(),
153                             exynos4_board_ram_size[board_type]);
154 
155     s->soc = exynos4210_init(get_system_memory());
156 
157     return s;
158 }
159 
160 static void nuri_init(MachineState *machine)
161 {
162     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
163 
164     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
165 }
166 
167 static void smdkc210_init(MachineState *machine)
168 {
169     Exynos4BoardState *s = exynos4_boards_init_common(machine,
170                                                       EXYNOS4_BOARD_SMDKC210);
171 
172     lan9215_init(SMDK_LAN9118_BASE_ADDR,
173             qemu_irq_invert(s->soc->irq_table[exynos4210_get_irq(37, 1)]));
174     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
175 }
176 
177 static void nuri_class_init(ObjectClass *oc, void *data)
178 {
179     MachineClass *mc = MACHINE_CLASS(oc);
180 
181     mc->desc = "Samsung NURI board (Exynos4210)";
182     mc->init = nuri_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 nuri_type = {
190     .name = MACHINE_TYPE_NAME("nuri"),
191     .parent = TYPE_MACHINE,
192     .class_init = nuri_class_init,
193 };
194 
195 static void smdkc210_class_init(ObjectClass *oc, void *data)
196 {
197     MachineClass *mc = MACHINE_CLASS(oc);
198 
199     mc->desc = "Samsung SMDKC210 board (Exynos4210)";
200     mc->init = smdkc210_init;
201     mc->max_cpus = EXYNOS4210_NCPUS;
202     mc->min_cpus = EXYNOS4210_NCPUS;
203     mc->default_cpus = EXYNOS4210_NCPUS;
204     mc->ignore_memory_transaction_failures = true;
205 }
206 
207 static const TypeInfo smdkc210_type = {
208     .name = MACHINE_TYPE_NAME("smdkc210"),
209     .parent = TYPE_MACHINE,
210     .class_init = smdkc210_class_init,
211 };
212 
213 static void exynos4_machines_init(void)
214 {
215     type_register_static(&nuri_type);
216     type_register_static(&smdkc210_type);
217 }
218 
219 type_init(exynos4_machines_init)
220