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Commit | Line | Data |
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5fafdf24 | 1 | /* |
0633879f PB |
2 | * Arnewsh 5206 ColdFire system emulation. |
3 | * | |
4 | * Copyright (c) 2007 CodeSourcery. | |
5 | * | |
6 | * This code is licenced under the GPL | |
7 | */ | |
8 | ||
87ecb68b PB |
9 | #include "hw.h" |
10 | #include "mcf.h" | |
11 | #include "sysemu.h" | |
12 | #include "boards.h" | |
0633879f PB |
13 | |
14 | #define KERNEL_LOAD_ADDR 0x10000 | |
15 | #define AN5206_MBAR_ADDR 0x10000000 | |
16 | #define AN5206_RAMBAR_ADDR 0x20000000 | |
17 | ||
18 | /* Stub functions for hardware that doesn't exist. */ | |
19 | void pic_info(void) | |
20 | { | |
21 | } | |
22 | ||
23 | void irq_info(void) | |
24 | { | |
25 | } | |
26 | ||
0633879f PB |
27 | /* Board init. */ |
28 | ||
00f82b8a | 29 | static void an5206_init(ram_addr_t ram_size, int vga_ram_size, |
3023f332 | 30 | const char *boot_device, |
0633879f PB |
31 | const char *kernel_filename, const char *kernel_cmdline, |
32 | const char *initrd_filename, const char *cpu_model) | |
33 | { | |
34 | CPUState *env; | |
35 | int kernel_size; | |
36 | uint64_t elf_entry; | |
37 | target_ulong entry; | |
38 | ||
0633879f PB |
39 | if (!cpu_model) |
40 | cpu_model = "m5206"; | |
aaed909a FB |
41 | env = cpu_init(cpu_model); |
42 | if (!env) { | |
20dcee94 PB |
43 | cpu_abort(env, "Unable to find m68k CPU definition\n"); |
44 | } | |
0633879f PB |
45 | |
46 | /* Initialize CPU registers. */ | |
47 | env->vbr = 0; | |
48 | /* TODO: allow changing MBAR and RAMBAR. */ | |
49 | env->mbar = AN5206_MBAR_ADDR | 1; | |
50 | env->rambar0 = AN5206_RAMBAR_ADDR | 1; | |
51 | ||
52 | /* DRAM at address zero */ | |
53 | cpu_register_physical_memory(0, ram_size, | |
54 | qemu_ram_alloc(ram_size) | IO_MEM_RAM); | |
55 | ||
56 | /* Internal SRAM. */ | |
57 | cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512, | |
58 | qemu_ram_alloc(512) | IO_MEM_RAM); | |
59 | ||
60 | mcf5206_init(AN5206_MBAR_ADDR, env); | |
61 | ||
62 | /* Load kernel. */ | |
63 | if (!kernel_filename) { | |
64 | fprintf(stderr, "Kernel image must be specified\n"); | |
65 | exit(1); | |
66 | } | |
67 | ||
68 | kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL); | |
69 | entry = elf_entry; | |
70 | if (kernel_size < 0) { | |
5a9154e0 | 71 | kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL); |
0633879f PB |
72 | } |
73 | if (kernel_size < 0) { | |
74 | kernel_size = load_image(kernel_filename, | |
75 | phys_ram_base + KERNEL_LOAD_ADDR); | |
76 | entry = KERNEL_LOAD_ADDR; | |
77 | } | |
78 | if (kernel_size < 0) { | |
79 | fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); | |
80 | exit(1); | |
81 | } | |
82 | ||
83 | env->pc = entry; | |
84 | } | |
85 | ||
86 | QEMUMachine an5206_machine = { | |
4b32e168 AL |
87 | .name = "an5206", |
88 | .desc = "Arnewsh 5206", | |
89 | .init = an5206_init, | |
90 | .ram_require = 512, | |
0633879f | 91 | }; |