xref: /openbmc/qemu/hw/arm/exynos4_boards.c (revision ae3c12a0)
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/net/lan9118.h"
36 #include "hw/boards.h"
37 
38 #undef DEBUG
39 
40 //#define DEBUG
41 
42 #ifdef DEBUG
43     #undef PRINT_DEBUG
44     #define  PRINT_DEBUG(fmt, args...) \
45         do { \
46             fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
47         } while (0)
48 #else
49     #define  PRINT_DEBUG(fmt, args...)  do {} while (0)
50 #endif
51 
52 #define SMDK_LAN9118_BASE_ADDR      0x05000000
53 
54 typedef enum Exynos4BoardType {
55     EXYNOS4_BOARD_NURI,
56     EXYNOS4_BOARD_SMDKC210,
57     EXYNOS4_NUM_OF_BOARDS
58 } Exynos4BoardType;
59 
60 typedef struct Exynos4BoardState {
61     Exynos4210State *soc;
62     MemoryRegion dram0_mem;
63     MemoryRegion dram1_mem;
64 } Exynos4BoardState;
65 
66 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
67     [EXYNOS4_BOARD_NURI]     = 0xD33,
68     [EXYNOS4_BOARD_SMDKC210] = 0xB16,
69 };
70 
71 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
72     [EXYNOS4_BOARD_NURI]     = EXYNOS4210_SECOND_CPU_BOOTREG,
73     [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
74 };
75 
76 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
77     [EXYNOS4_BOARD_NURI]     = 0x40000000,
78     [EXYNOS4_BOARD_SMDKC210] = 0x40000000,
79 };
80 
81 static struct arm_boot_info exynos4_board_binfo = {
82     .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
83     .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
84     .nb_cpus          = EXYNOS4210_NCPUS,
85     .write_secondary_boot = exynos4210_write_secondary,
86 };
87 
88 static void lan9215_init(uint32_t base, qemu_irq irq)
89 {
90     DeviceState *dev;
91     SysBusDevice *s;
92 
93     /* This should be a 9215 but the 9118 is close enough */
94     if (nd_table[0].used) {
95         qemu_check_nic_model(&nd_table[0], "lan9118");
96         dev = qdev_create(NULL, TYPE_LAN9118);
97         qdev_set_nic_properties(dev, &nd_table[0]);
98         qdev_prop_set_uint32(dev, "mode_16bit", 1);
99         qdev_init_nofail(dev);
100         s = SYS_BUS_DEVICE(dev);
101         sysbus_mmio_map(s, 0, base);
102         sysbus_connect_irq(s, 0, irq);
103     }
104 }
105 
106 static void exynos4_boards_init_ram(Exynos4BoardState *s,
107                                     MemoryRegion *system_mem,
108                                     unsigned long ram_size)
109 {
110     unsigned long mem_size = ram_size;
111 
112     if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
113         memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
114                                mem_size - EXYNOS4210_DRAM_MAX_SIZE,
115                                &error_fatal);
116         memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
117                                     &s->dram1_mem);
118         mem_size = EXYNOS4210_DRAM_MAX_SIZE;
119     }
120 
121     memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
122                            &error_fatal);
123     memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
124                                 &s->dram0_mem);
125 }
126 
127 static Exynos4BoardState *
128 exynos4_boards_init_common(MachineState *machine,
129                            Exynos4BoardType board_type)
130 {
131     Exynos4BoardState *s = g_new(Exynos4BoardState, 1);
132 
133     exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
134     exynos4_board_binfo.board_id = exynos4_board_id[board_type];
135     exynos4_board_binfo.smp_bootreg_addr =
136             exynos4_board_smp_bootreg_addr[board_type];
137     exynos4_board_binfo.kernel_filename = machine->kernel_filename;
138     exynos4_board_binfo.initrd_filename = machine->initrd_filename;
139     exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
140     exynos4_board_binfo.gic_cpu_if_addr =
141             EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
142 
143     PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
144             " kernel_filename: %s\n"
145             " kernel_cmdline: %s\n"
146             " initrd_filename: %s\n",
147             exynos4_board_ram_size[board_type] / 1048576,
148             exynos4_board_ram_size[board_type],
149             machine->kernel_filename,
150             machine->kernel_cmdline,
151             machine->initrd_filename);
152 
153     exynos4_boards_init_ram(s, get_system_memory(),
154                             exynos4_board_ram_size[board_type]);
155 
156     s->soc = exynos4210_init(get_system_memory());
157 
158     return s;
159 }
160 
161 static void nuri_init(MachineState *machine)
162 {
163     exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
164 
165     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
166 }
167 
168 static void smdkc210_init(MachineState *machine)
169 {
170     Exynos4BoardState *s = exynos4_boards_init_common(machine,
171                                                       EXYNOS4_BOARD_SMDKC210);
172 
173     lan9215_init(SMDK_LAN9118_BASE_ADDR,
174             qemu_irq_invert(s->soc->irq_table[exynos4210_get_irq(37, 1)]));
175     arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
176 }
177 
178 static void nuri_class_init(ObjectClass *oc, void *data)
179 {
180     MachineClass *mc = MACHINE_CLASS(oc);
181 
182     mc->desc = "Samsung NURI board (Exynos4210)";
183     mc->init = nuri_init;
184     mc->max_cpus = EXYNOS4210_NCPUS;
185     mc->min_cpus = EXYNOS4210_NCPUS;
186     mc->default_cpus = EXYNOS4210_NCPUS;
187     mc->ignore_memory_transaction_failures = true;
188 }
189 
190 static const TypeInfo nuri_type = {
191     .name = MACHINE_TYPE_NAME("nuri"),
192     .parent = TYPE_MACHINE,
193     .class_init = nuri_class_init,
194 };
195 
196 static void smdkc210_class_init(ObjectClass *oc, void *data)
197 {
198     MachineClass *mc = MACHINE_CLASS(oc);
199 
200     mc->desc = "Samsung SMDKC210 board (Exynos4210)";
201     mc->init = smdkc210_init;
202     mc->max_cpus = EXYNOS4210_NCPUS;
203     mc->min_cpus = EXYNOS4210_NCPUS;
204     mc->default_cpus = EXYNOS4210_NCPUS;
205     mc->ignore_memory_transaction_failures = true;
206 }
207 
208 static const TypeInfo smdkc210_type = {
209     .name = MACHINE_TYPE_NAME("smdkc210"),
210     .parent = TYPE_MACHINE,
211     .class_init = smdkc210_class_init,
212 };
213 
214 static void exynos4_machines_init(void)
215 {
216     type_register_static(&nuri_type);
217     type_register_static(&smdkc210_type);
218 }
219 
220 type_init(exynos4_machines_init)
221