root / hw / an5206.c @ 3ced9f7a
History | View | Annotate | Download (2.4 kB)
1 | 5fafdf24 | ths | /*
|
---|---|---|---|
2 | 0633879f | pbrook | * Arnewsh 5206 ColdFire system emulation.
|
3 | 0633879f | pbrook | *
|
4 | 0633879f | pbrook | * Copyright (c) 2007 CodeSourcery.
|
5 | 0633879f | pbrook | *
|
6 | 0633879f | pbrook | * This code is licenced under the GPL
|
7 | 0633879f | pbrook | */
|
8 | 0633879f | pbrook | |
9 | 87ecb68b | pbrook | #include "hw.h" |
10 | 376253ec | aliguori | #include "pc.h" |
11 | 87ecb68b | pbrook | #include "mcf.h" |
12 | 87ecb68b | pbrook | #include "sysemu.h" |
13 | 87ecb68b | pbrook | #include "boards.h" |
14 | ca20cf32 | Blue Swirl | #include "loader.h" |
15 | ca20cf32 | Blue Swirl | #include "elf.h" |
16 | 0633879f | pbrook | |
17 | 0633879f | pbrook | #define KERNEL_LOAD_ADDR 0x10000 |
18 | 0633879f | pbrook | #define AN5206_MBAR_ADDR 0x10000000 |
19 | 0633879f | pbrook | #define AN5206_RAMBAR_ADDR 0x20000000 |
20 | 0633879f | pbrook | |
21 | 0633879f | pbrook | /* Stub functions for hardware that doesn't exist. */
|
22 | 376253ec | aliguori | void pic_info(Monitor *mon)
|
23 | 0633879f | pbrook | { |
24 | 0633879f | pbrook | } |
25 | 0633879f | pbrook | |
26 | 376253ec | aliguori | void irq_info(Monitor *mon)
|
27 | 0633879f | pbrook | { |
28 | 0633879f | pbrook | } |
29 | 0633879f | pbrook | |
30 | 0633879f | pbrook | /* Board init. */
|
31 | 0633879f | pbrook | |
32 | c227f099 | Anthony Liguori | static void an5206_init(ram_addr_t ram_size, |
33 | 3023f332 | aliguori | const char *boot_device, |
34 | 0633879f | pbrook | const char *kernel_filename, const char *kernel_cmdline, |
35 | 0633879f | pbrook | const char *initrd_filename, const char *cpu_model) |
36 | 0633879f | pbrook | { |
37 | 0633879f | pbrook | CPUState *env; |
38 | 0633879f | pbrook | int kernel_size;
|
39 | 0633879f | pbrook | uint64_t elf_entry; |
40 | c227f099 | Anthony Liguori | target_phys_addr_t entry; |
41 | 0633879f | pbrook | |
42 | 0633879f | pbrook | if (!cpu_model)
|
43 | 0633879f | pbrook | cpu_model = "m5206";
|
44 | aaed909a | bellard | env = cpu_init(cpu_model); |
45 | aaed909a | bellard | if (!env) {
|
46 | 2ac71179 | Paul Brook | hw_error("Unable to find m68k CPU definition\n");
|
47 | 20dcee94 | pbrook | } |
48 | 0633879f | pbrook | |
49 | 0633879f | pbrook | /* Initialize CPU registers. */
|
50 | 0633879f | pbrook | env->vbr = 0;
|
51 | 0633879f | pbrook | /* TODO: allow changing MBAR and RAMBAR. */
|
52 | 0633879f | pbrook | env->mbar = AN5206_MBAR_ADDR | 1;
|
53 | 0633879f | pbrook | env->rambar0 = AN5206_RAMBAR_ADDR | 1;
|
54 | 0633879f | pbrook | |
55 | 0633879f | pbrook | /* DRAM at address zero */
|
56 | 0633879f | pbrook | cpu_register_physical_memory(0, ram_size,
|
57 | 0633879f | pbrook | qemu_ram_alloc(ram_size) | IO_MEM_RAM); |
58 | 0633879f | pbrook | |
59 | 0633879f | pbrook | /* Internal SRAM. */
|
60 | 0633879f | pbrook | cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512,
|
61 | 0633879f | pbrook | qemu_ram_alloc(512) | IO_MEM_RAM);
|
62 | 0633879f | pbrook | |
63 | 0633879f | pbrook | mcf5206_init(AN5206_MBAR_ADDR, env); |
64 | 0633879f | pbrook | |
65 | 0633879f | pbrook | /* Load kernel. */
|
66 | 0633879f | pbrook | if (!kernel_filename) {
|
67 | 0633879f | pbrook | fprintf(stderr, "Kernel image must be specified\n");
|
68 | 0633879f | pbrook | exit(1);
|
69 | 0633879f | pbrook | } |
70 | 0633879f | pbrook | |
71 | ca20cf32 | Blue Swirl | kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL, |
72 | ca20cf32 | Blue Swirl | 1, ELF_MACHINE, 0); |
73 | 0633879f | pbrook | entry = elf_entry; |
74 | 0633879f | pbrook | if (kernel_size < 0) { |
75 | 5a9154e0 | aliguori | kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL); |
76 | 0633879f | pbrook | } |
77 | 0633879f | pbrook | if (kernel_size < 0) { |
78 | dcac9679 | pbrook | kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR, |
79 | dcac9679 | pbrook | ram_size - KERNEL_LOAD_ADDR); |
80 | 0633879f | pbrook | entry = KERNEL_LOAD_ADDR; |
81 | 0633879f | pbrook | } |
82 | 0633879f | pbrook | if (kernel_size < 0) { |
83 | 0633879f | pbrook | fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
|
84 | 0633879f | pbrook | exit(1);
|
85 | 0633879f | pbrook | } |
86 | 0633879f | pbrook | |
87 | 0633879f | pbrook | env->pc = entry; |
88 | 0633879f | pbrook | } |
89 | 0633879f | pbrook | |
90 | f80f9ec9 | Anthony Liguori | static QEMUMachine an5206_machine = {
|
91 | 4b32e168 | aliguori | .name = "an5206",
|
92 | 4b32e168 | aliguori | .desc = "Arnewsh 5206",
|
93 | 4b32e168 | aliguori | .init = an5206_init, |
94 | 0633879f | pbrook | }; |
95 | f80f9ec9 | Anthony Liguori | |
96 | f80f9ec9 | Anthony Liguori | static void an5206_machine_init(void) |
97 | f80f9ec9 | Anthony Liguori | { |
98 | f80f9ec9 | Anthony Liguori | qemu_register_machine(&an5206_machine); |
99 | f80f9ec9 | Anthony Liguori | } |
100 | f80f9ec9 | Anthony Liguori | |
101 | f80f9ec9 | Anthony Liguori | machine_init(an5206_machine_init); |