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e2d05011 BK |
1 | /* |
2 | * TriCore Baseboard System emulation. | |
3 | * | |
4 | * Copyright (c) 2013-2014 Bastian Koppelmann C-Lab/University Paderborn | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
eb85394f | 9 | * version 2.1 of the License, or (at your option) any later version. |
e2d05011 BK |
10 | * |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | ||
61d9f32b | 21 | #include "qemu/osdep.h" |
b000325a | 22 | #include "qemu/units.h" |
da34e65c | 23 | #include "qapi/error.h" |
4771d756 | 24 | #include "cpu.h" |
e2d05011 | 25 | #include "net/net.h" |
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26 | #include "hw/boards.h" |
27 | #include "hw/loader.h" | |
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28 | #include "elf.h" |
29 | #include "hw/tricore/tricore.h" | |
582079c9 | 30 | #include "hw/tricore/tricore_testdevice.h" |
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31 | #include "qemu/error-report.h" |
32 | ||
33 | ||
34 | /* Board init. */ | |
35 | ||
36 | static struct tricore_boot_info tricoretb_binfo; | |
37 | ||
38 | static void tricore_load_kernel(CPUTriCoreState *env) | |
39 | { | |
40 | uint64_t entry; | |
41 | long kernel_size; | |
42 | ||
43 | kernel_size = load_elf(tricoretb_binfo.kernel_filename, NULL, | |
4366e1db | 44 | NULL, NULL, &entry, NULL, |
6cdda0ff | 45 | NULL, NULL, 0, |
7ef295ea | 46 | EM_TRICORE, 1, 0); |
e2d05011 | 47 | if (kernel_size <= 0) { |
d0e31a10 | 48 | error_report("no kernel file '%s'", |
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49 | tricoretb_binfo.kernel_filename); |
50 | exit(1); | |
51 | } | |
52 | env->PC = entry; | |
53 | ||
54 | } | |
55 | ||
56 | static void tricore_testboard_init(MachineState *machine, int board_id) | |
57 | { | |
58 | TriCoreCPU *cpu; | |
59 | CPUTriCoreState *env; | |
582079c9 | 60 | TriCoreTestDeviceState *test_dev; |
e2d05011 BK |
61 | |
62 | MemoryRegion *sysmem = get_system_memory(); | |
63 | MemoryRegion *ext_cram = g_new(MemoryRegion, 1); | |
64 | MemoryRegion *ext_dram = g_new(MemoryRegion, 1); | |
65 | MemoryRegion *int_cram = g_new(MemoryRegion, 1); | |
66 | MemoryRegion *int_dram = g_new(MemoryRegion, 1); | |
67 | MemoryRegion *pcp_data = g_new(MemoryRegion, 1); | |
68 | MemoryRegion *pcp_text = g_new(MemoryRegion, 1); | |
69 | ||
0f550c5c | 70 | cpu = TRICORE_CPU(cpu_create(machine->cpu_type)); |
8ef2b256 | 71 | env = &cpu->env; |
98a99ce0 | 72 | memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram", |
b000325a | 73 | 2 * MiB, &error_fatal); |
98a99ce0 | 74 | memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram", |
b000325a PMD |
75 | 4 * MiB, &error_fatal); |
76 | memory_region_init_ram(int_cram, NULL, "powerlink_int_c.ram", 48 * KiB, | |
f8ed85ac | 77 | &error_fatal); |
b000325a | 78 | memory_region_init_ram(int_dram, NULL, "powerlink_int_d.ram", 48 * KiB, |
f8ed85ac | 79 | &error_fatal); |
98a99ce0 | 80 | memory_region_init_ram(pcp_data, NULL, "powerlink_pcp_data.ram", |
b000325a | 81 | 16 * KiB, &error_fatal); |
98a99ce0 | 82 | memory_region_init_ram(pcp_text, NULL, "powerlink_pcp_text.ram", |
b000325a | 83 | 32 * KiB, &error_fatal); |
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84 | |
85 | memory_region_add_subregion(sysmem, 0x80000000, ext_cram); | |
86 | memory_region_add_subregion(sysmem, 0xa1000000, ext_dram); | |
87 | memory_region_add_subregion(sysmem, 0xd4000000, int_cram); | |
88 | memory_region_add_subregion(sysmem, 0xd0000000, int_dram); | |
89 | memory_region_add_subregion(sysmem, 0xf0050000, pcp_data); | |
90 | memory_region_add_subregion(sysmem, 0xf0060000, pcp_text); | |
91 | ||
582079c9 BK |
92 | test_dev = g_new(TriCoreTestDeviceState, 1); |
93 | object_initialize(test_dev, sizeof(TriCoreTestDeviceState), | |
94 | TYPE_TRICORE_TESTDEVICE); | |
95 | memory_region_add_subregion(sysmem, 0xf0000000, &test_dev->iomem); | |
96 | ||
97 | ||
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98 | tricoretb_binfo.ram_size = machine->ram_size; |
99 | tricoretb_binfo.kernel_filename = machine->kernel_filename; | |
100 | ||
101 | if (machine->kernel_filename) { | |
102 | tricore_load_kernel(env); | |
103 | } | |
104 | } | |
105 | ||
106 | static void tricoreboard_init(MachineState *machine) | |
107 | { | |
108 | tricore_testboard_init(machine, 0x183); | |
109 | } | |
110 | ||
e264d29d | 111 | static void ttb_machine_init(MachineClass *mc) |
e2d05011 | 112 | { |
e264d29d EH |
113 | mc->desc = "a minimal TriCore board"; |
114 | mc->init = tricoreboard_init; | |
0f550c5c | 115 | mc->default_cpu_type = TRICORE_CPU_TYPE_NAME("tc1796"); |
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116 | } |
117 | ||
e264d29d | 118 | DEFINE_MACHINE("tricore_testboard", ttb_machine_init) |