1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Motload compatibility for the Emerson/Artesyn MVME7100 |
4 | * |
5 | * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A. |
6 | * |
7 | * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu> |
8 | */ |
9 | |
10 | #include "ops.h" |
11 | #include "stdio.h" |
12 | #include "cuboot.h" |
13 | |
14 | #define TARGET_86xx |
15 | #define TARGET_HAS_ETH1 |
16 | #define TARGET_HAS_ETH2 |
17 | #define TARGET_HAS_ETH3 |
18 | #include "ppcboot.h" |
19 | |
20 | static bd_t bd; |
21 | |
22 | BSS_STACK(16384); |
23 | |
24 | static void mvme7100_fixups(void) |
25 | { |
26 | void *devp; |
27 | unsigned long busfreq = bd.bi_busfreq * 1000000; |
28 | |
29 | dt_fixup_cpu_clocks(cpufreq: bd.bi_intfreq * 1000000, tbfreq: busfreq / 4, busfreq); |
30 | |
31 | devp = finddevice(name: "/soc@f1000000" ); |
32 | if (devp) |
33 | setprop(devp, name: "bus-frequency" , buf: &busfreq, buflen: sizeof(busfreq)); |
34 | |
35 | devp = finddevice(name: "/soc/serial@4500" ); |
36 | if (devp) |
37 | setprop(devp, name: "clock-frequency" , buf: &busfreq, buflen: sizeof(busfreq)); |
38 | |
39 | dt_fixup_memory(start: bd.bi_memstart, size: bd.bi_memsize); |
40 | |
41 | dt_fixup_mac_address_by_alias(alias: "ethernet0" , addr: bd.bi_enetaddr); |
42 | dt_fixup_mac_address_by_alias(alias: "ethernet1" , addr: bd.bi_enet1addr); |
43 | dt_fixup_mac_address_by_alias(alias: "ethernet2" , addr: bd.bi_enet2addr); |
44 | dt_fixup_mac_address_by_alias(alias: "ethernet3" , addr: bd.bi_enet3addr); |
45 | } |
46 | |
47 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, |
48 | unsigned long r6, unsigned long r7) |
49 | { |
50 | CUBOOT_INIT(); |
51 | fdt_init(blob: _dtb_start); |
52 | serial_console_init(); |
53 | platform_ops.fixups = mvme7100_fixups; |
54 | } |
55 | |