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97493e2e AIB |
1 | /* |
2 | * Motload compatibility for the Emerson/Artesyn MVME7100 | |
3 | * | |
4 | * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A. | |
5 | * | |
6 | * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include "ops.h" | |
16 | #include "stdio.h" | |
17 | #include "cuboot.h" | |
18 | ||
19 | #define TARGET_86xx | |
20 | #define TARGET_HAS_ETH1 | |
21 | #define TARGET_HAS_ETH2 | |
22 | #define TARGET_HAS_ETH3 | |
23 | #include "ppcboot.h" | |
24 | ||
25 | static bd_t bd; | |
26 | ||
27 | BSS_STACK(16384); | |
28 | ||
29 | static void mvme7100_fixups(void) | |
30 | { | |
31 | void *devp; | |
32 | unsigned long busfreq = bd.bi_busfreq * 1000000; | |
33 | ||
34 | dt_fixup_cpu_clocks(bd.bi_intfreq * 1000000, busfreq / 4, busfreq); | |
35 | ||
36 | devp = finddevice("/soc@f1000000"); | |
37 | if (devp) | |
38 | setprop(devp, "bus-frequency", &busfreq, sizeof(busfreq)); | |
39 | ||
40 | devp = finddevice("/soc/serial@4500"); | |
41 | if (devp) | |
42 | setprop(devp, "clock-frequency", &busfreq, sizeof(busfreq)); | |
43 | ||
44 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); | |
45 | ||
46 | dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); | |
47 | dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); | |
48 | dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); | |
49 | dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr); | |
50 | } | |
51 | ||
52 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | |
53 | unsigned long r6, unsigned long r7) | |
54 | { | |
55 | CUBOOT_INIT(); | |
56 | fdt_init(_dtb_start); | |
57 | serial_console_init(); | |
58 | platform_ops.fixups = mvme7100_fixups; | |
59 | } |